./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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-cbmc-regression/float-no-simp1.c -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 5fc76096080d06d307c9a613c10bbb5b03d622cd ........................................................................................................................................................................................................................... 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 -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-cbmc-regression/float-no-simp1.c -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 5fc76096080d06d307c9a613c10bbb5b03d622cd .................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 16:38:20,116 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 16:38:20,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 16:38:20,139 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 16:38:20,140 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 16:38:20,143 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 16:38:20,145 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 16:38:20,156 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 16:38:20,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 16:38:20,163 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 16:38:20,165 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 16:38:20,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 16:38:20,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 16:38:20,173 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 16:38:20,174 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 16:38:20,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 16:38:20,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 16:38:20,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 16:38:20,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 16:38:20,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 16:38:20,192 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 16:38:20,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 16:38:20,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 16:38:20,200 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 16:38:20,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 16:38:20,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 16:38:20,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 16:38:20,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 16:38:20,208 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 16:38:20,209 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 16:38:20,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 16:38:20,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 16:38:20,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 16:38:20,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 16:38:20,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 16:38:20,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 16:38:20,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 16:38:20,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 16:38:20,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 16:38:20,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 16:38:20,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 16:38:20,220 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 16:38:20,258 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 16:38:20,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 16:38:20,262 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 16:38:20,264 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 16:38:20,264 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 16:38:20,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 16:38:20,266 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 16:38:20,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 16:38:20,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 16:38:20,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 16:38:20,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 16:38:20,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 16:38:20,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 16:38:20,269 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 16:38:20,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 16:38:20,270 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 16:38:20,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 16:38:20,271 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 16:38:20,271 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 16:38:20,271 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 16:38:20,271 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 16:38:20,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:38:20,272 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 16:38:20,273 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 16:38:20,273 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 16:38:20,273 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 16:38:20,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 16:38:20,274 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 16:38:20,274 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 16:38:20,274 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 -> 5fc76096080d06d307c9a613c10bbb5b03d622cd [2019-11-28 16:38:20,589 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 16:38:20,603 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 16:38:20,607 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 16:38:20,609 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 16:38:20,609 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 16:38:20,610 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c [2019-11-28 16:38:20,705 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f946e44c3/5b1418302cc64ada878d0f1936c877b9/FLAGfce0ef0f0 [2019-11-28 16:38:21,195 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 16:38:21,196 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c [2019-11-28 16:38:21,201 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f946e44c3/5b1418302cc64ada878d0f1936c877b9/FLAGfce0ef0f0 [2019-11-28 16:38:21,552 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f946e44c3/5b1418302cc64ada878d0f1936c877b9 [2019-11-28 16:38:21,555 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 16:38:21,557 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 16:38:21,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 16:38:21,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 16:38:21,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 16:38:21,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:38:21" (1/1) ... [2019-11-28 16:38:21,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5323c1a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:21, skipping insertion in model container [2019-11-28 16:38:21,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:38:21" (1/1) ... [2019-11-28 16:38:21,575 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 16:38:21,592 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 16:38:21,800 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:38:21,807 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 16:38:21,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:38:21,842 INFO L208 MainTranslator]: Completed translation [2019-11-28 16:38:21,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:21 WrapperNode [2019-11-28 16:38:21,844 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 16:38:21,845 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 16:38:21,846 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 16:38:21,846 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 16:38:21,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:21" (1/1) ... [2019-11-28 16:38:21,866 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:21" (1/1) ... [2019-11-28 16:38:21,890 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 16:38:21,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 16:38:21,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 16:38:21,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 16:38:21,964 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:21" (1/1) ... [2019-11-28 16:38:21,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:21" (1/1) ... [2019-11-28 16:38:21,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:21" (1/1) ... [2019-11-28 16:38:21,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:21" (1/1) ... [2019-11-28 16:38:21,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:21" (1/1) ... [2019-11-28 16:38:21,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:21" (1/1) ... [2019-11-28 16:38:21,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:21" (1/1) ... [2019-11-28 16:38:21,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 16:38:21,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 16:38:21,976 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 16:38:21,976 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 16:38:21,977 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:21" (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 [2019-11-28 16:38:22,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 16:38:22,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 16:38:22,172 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 16:38:22,173 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-28 16:38:22,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:38:22 BoogieIcfgContainer [2019-11-28 16:38:22,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 16:38:22,176 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 16:38:22,176 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 16:38:22,179 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 16:38:22,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:38:21" (1/3) ... [2019-11-28 16:38:22,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d7dc7d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:38:22, skipping insertion in model container [2019-11-28 16:38:22,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:21" (2/3) ... [2019-11-28 16:38:22,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d7dc7d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:38:22, skipping insertion in model container [2019-11-28 16:38:22,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:38:22" (3/3) ... [2019-11-28 16:38:22,182 INFO L109 eAbstractionObserver]: Analyzing ICFG float-no-simp1.c [2019-11-28 16:38:22,190 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 16:38:22,197 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 16:38:22,210 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 16:38:22,246 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 16:38:22,247 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 16:38:22,247 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 16:38:22,247 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 16:38:22,248 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 16:38:22,249 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 16:38:22,249 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 16:38:22,250 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 16:38:22,269 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-11-28 16:38:22,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-28 16:38:22,277 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:38:22,278 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-28 16:38:22,279 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:38:22,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:38:22,289 INFO L82 PathProgramCache]: Analyzing trace with hash 30881, now seen corresponding path program 1 times [2019-11-28 16:38:22,298 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:38:22,299 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075842184] [2019-11-28 16:38:22,300 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:38:22,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 16:38:22,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 16:38:22,396 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 16:38:22,397 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 16:38:22,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:38:22 BoogieIcfgContainer [2019-11-28 16:38:22,411 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 16:38:22,411 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 16:38:22,412 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 16:38:22,412 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 16:38:22,413 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:38:22" (3/4) ... [2019-11-28 16:38:22,416 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 16:38:22,417 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 16:38:22,420 INFO L168 Benchmark]: Toolchain (without parser) took 861.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -131.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:38:22,421 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:38:22,422 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.24 ms. Allocated memory is still 1.0 GB. Free memory was 955.0 MB in the beginning and 942.9 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-11-28 16:38:22,423 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.95 ms. Allocated memory is still 1.0 GB. Free memory is still 942.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:38:22,424 INFO L168 Benchmark]: Boogie Preprocessor took 83.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 942.9 MB in the beginning and 1.1 GB in the end (delta: -170.2 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-28 16:38:22,425 INFO L168 Benchmark]: RCFGBuilder took 199.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-28 16:38:22,426 INFO L168 Benchmark]: TraceAbstraction took 235.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. [2019-11-28 16:38:22,426 INFO L168 Benchmark]: Witness Printer took 5.38 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:38:22,432 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 286.24 ms. Allocated memory is still 1.0 GB. Free memory was 955.0 MB in the beginning and 942.9 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.95 ms. Allocated memory is still 1.0 GB. Free memory is still 942.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 83.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 942.9 MB in the beginning and 1.1 GB in the end (delta: -170.2 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 199.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 235.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. * Witness Printer took 5.38 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of to_int at line 7, overapproximation of to_real at line 8. Possible FailurePath: [L4] unsigned int i, j; [L5] double d; [L7] i=100.0 [L8] d=i [L9] j=d [L10] COND TRUE !(j==100) [L10] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-11-28 16:38:24,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 16:38:24,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 16:38:24,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 16:38:24,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 16:38:24,484 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 16:38:24,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 16:38:24,495 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 16:38:24,500 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 16:38:24,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 16:38:24,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 16:38:24,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 16:38:24,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 16:38:24,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 16:38:24,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 16:38:24,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 16:38:24,514 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 16:38:24,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 16:38:24,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 16:38:24,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 16:38:24,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 16:38:24,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 16:38:24,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 16:38:24,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 16:38:24,536 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 16:38:24,536 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 16:38:24,536 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 16:38:24,538 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 16:38:24,538 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 16:38:24,539 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 16:38:24,539 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 16:38:24,540 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 16:38:24,540 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 16:38:24,542 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 16:38:24,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 16:38:24,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 16:38:24,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 16:38:24,544 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 16:38:24,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 16:38:24,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 16:38:24,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 16:38:24,547 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 16:38:24,577 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 16:38:24,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 16:38:24,580 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 16:38:24,580 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 16:38:24,580 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 16:38:24,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 16:38:24,581 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 16:38:24,581 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 16:38:24,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 16:38:24,582 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 16:38:24,583 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 16:38:24,583 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 16:38:24,583 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 16:38:24,584 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 16:38:24,584 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 16:38:24,584 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 16:38:24,584 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 16:38:24,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 16:38:24,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 16:38:24,586 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 16:38:24,586 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 16:38:24,588 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 16:38:24,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:38:24,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 16:38:24,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 16:38:24,590 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 16:38:24,591 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 16:38:24,591 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 16:38:24,591 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 16:38:24,591 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 16:38:24,591 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 16:38:24,592 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 -> 5fc76096080d06d307c9a613c10bbb5b03d622cd [2019-11-28 16:38:24,882 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 16:38:24,903 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 16:38:24,906 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 16:38:24,908 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 16:38:24,909 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 16:38:24,910 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c [2019-11-28 16:38:24,983 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be28ffe31/478b8f86d5d94a6d885cf741790de29f/FLAG3848ff18f [2019-11-28 16:38:25,444 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 16:38:25,445 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c [2019-11-28 16:38:25,452 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be28ffe31/478b8f86d5d94a6d885cf741790de29f/FLAG3848ff18f [2019-11-28 16:38:25,817 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be28ffe31/478b8f86d5d94a6d885cf741790de29f [2019-11-28 16:38:25,820 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 16:38:25,822 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 16:38:25,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 16:38:25,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 16:38:25,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 16:38:25,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:38:25" (1/1) ... [2019-11-28 16:38:25,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aebf9cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:25, skipping insertion in model container [2019-11-28 16:38:25,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:38:25" (1/1) ... [2019-11-28 16:38:25,839 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 16:38:25,853 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 16:38:25,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:38:26,008 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 16:38:26,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:38:26,041 INFO L208 MainTranslator]: Completed translation [2019-11-28 16:38:26,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:26 WrapperNode [2019-11-28 16:38:26,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 16:38:26,042 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 16:38:26,042 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 16:38:26,043 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 16:38:26,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:26" (1/1) ... [2019-11-28 16:38:26,060 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:26" (1/1) ... [2019-11-28 16:38:26,140 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 16:38:26,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 16:38:26,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 16:38:26,141 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 16:38:26,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:26" (1/1) ... [2019-11-28 16:38:26,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:26" (1/1) ... [2019-11-28 16:38:26,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:26" (1/1) ... [2019-11-28 16:38:26,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:26" (1/1) ... [2019-11-28 16:38:26,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:26" (1/1) ... [2019-11-28 16:38:26,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:26" (1/1) ... [2019-11-28 16:38:26,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:26" (1/1) ... [2019-11-28 16:38:26,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 16:38:26,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 16:38:26,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 16:38:26,172 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 16:38:26,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:26" (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 [2019-11-28 16:38:26,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 16:38:26,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 16:38:26,541 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 16:38:26,541 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-28 16:38:26,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:38:26 BoogieIcfgContainer [2019-11-28 16:38:26,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 16:38:26,543 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 16:38:26,544 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 16:38:26,548 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 16:38:26,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:38:25" (1/3) ... [2019-11-28 16:38:26,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab608b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:38:26, skipping insertion in model container [2019-11-28 16:38:26,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:26" (2/3) ... [2019-11-28 16:38:26,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab608b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:38:26, skipping insertion in model container [2019-11-28 16:38:26,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:38:26" (3/3) ... [2019-11-28 16:38:26,554 INFO L109 eAbstractionObserver]: Analyzing ICFG float-no-simp1.c [2019-11-28 16:38:26,565 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 16:38:26,572 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 16:38:26,584 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 16:38:26,615 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 16:38:26,615 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 16:38:26,615 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 16:38:26,615 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 16:38:26,616 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 16:38:26,616 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 16:38:26,616 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 16:38:26,617 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 16:38:26,636 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-11-28 16:38:26,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-28 16:38:26,642 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:38:26,642 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-28 16:38:26,643 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:38:26,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:38:26,648 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2019-11-28 16:38:26,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:38:26,659 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2079020793] [2019-11-28 16:38:26,659 INFO L94 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 [2019-11-28 16:38:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:38:26,726 WARN L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 16:38:26,733 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:38:27,231 WARN L860 $PredicateComparison]: unable to prove that (exists ((currentRoundingMode RoundingMode)) (= ((_ fp.to_ubv 32) roundTowardZero ((_ to_fp_unsigned 11 53) currentRoundingMode ((_ fp.to_ubv 32) roundTowardZero ((_ to_fp 11 53) currentRoundingMode 100.0)))) c_ULTIMATE.start_main_~j~0)) is different from true [2019-11-28 16:38:27,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:38:27,241 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:38:27,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:38:27,268 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2079020793] [2019-11-28 16:38:27,269 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:38:27,269 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-11-28 16:38:27,271 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372610636] [2019-11-28 16:38:27,275 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 16:38:27,276 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:38:27,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 16:38:27,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2019-11-28 16:38:27,293 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 4 states. [2019-11-28 16:38:27,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:38:27,337 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2019-11-28 16:38:27,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 16:38:27,339 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-11-28 16:38:27,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:38:27,347 INFO L225 Difference]: With dead ends: 11 [2019-11-28 16:38:27,347 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 16:38:27,351 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2019-11-28 16:38:27,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 16:38:27,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 16:38:27,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 16:38:27,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 16:38:27,376 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2019-11-28 16:38:27,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:38:27,376 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 16:38:27,377 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 16:38:27,377 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 16:38:27,377 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 16:38:27,590 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 16:38:27,593 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 16:38:27,596 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 16:38:27,596 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 16:38:27,596 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 16:38:27,597 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 16:38:27,597 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2019-11-28 16:38:27,597 INFO L246 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2019-11-28 16:38:27,597 INFO L246 CegarLoopResult]: For program point L10-1(line 10) no Hoare annotation was computed. [2019-11-28 16:38:27,597 INFO L246 CegarLoopResult]: For program point L2(lines 2 11) no Hoare annotation was computed. [2019-11-28 16:38:27,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:38:27 BoogieIcfgContainer [2019-11-28 16:38:27,603 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 16:38:27,603 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 16:38:27,603 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 16:38:27,603 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 16:38:27,604 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:38:26" (3/4) ... [2019-11-28 16:38:27,607 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 16:38:27,617 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-28 16:38:27,617 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 16:38:27,617 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 16:38:27,654 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 16:38:27,654 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 16:38:27,658 INFO L168 Benchmark]: Toolchain (without parser) took 1833.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -145.3 MB). Peak memory consumption was 488.2 kB. Max. memory is 11.5 GB. [2019-11-28 16:38:27,658 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:38:27,659 INFO L168 Benchmark]: CACSL2BoogieTranslator took 218.90 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 16:38:27,660 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -200.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-28 16:38:27,661 INFO L168 Benchmark]: Boogie Preprocessor took 30.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 16:38:27,661 INFO L168 Benchmark]: RCFGBuilder took 371.16 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. [2019-11-28 16:38:27,662 INFO L168 Benchmark]: TraceAbstraction took 1059.19 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: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. [2019-11-28 16:38:27,663 INFO L168 Benchmark]: Witness Printer took 50.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:38:27,667 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 218.90 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 941.6 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 98.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -200.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 371.16 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 1059.19 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: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. * Witness Printer took 50.96 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: - PositiveResult [Line: 10]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Result: SAFE, OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 4 SDtfs, 3 SDslu, 1 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred 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: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 1 QuantifiedInterpolants, 57 SizeOfPredicates, 5 NumberOfNonLiveVariables, 8 ConjunctsInSsa, 4 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...