/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-benchs/addsub_float_exact_true-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 40ef5092 Calling Ultimate with: 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 ../../../trunk/examples/svcomp/float-benchs/addsub_float_exact_true-unreach-call_true-termination.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 e96842f9a03cb3c7d57e4720c2380ee270a08502 ....................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: 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 ../../../trunk/examples/svcomp/float-benchs/addsub_float_exact_true-unreach-call_true-termination.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 e96842f9a03cb3c7d57e4720c2380ee270a08502 ................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-40ef509 [2018-09-20 13:50:15,161 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 13:50:15,163 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 13:50:15,178 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 13:50:15,179 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 13:50:15,182 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 13:50:15,184 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 13:50:15,186 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 13:50:15,188 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 13:50:15,192 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 13:50:15,195 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 13:50:15,195 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 13:50:15,197 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 13:50:15,200 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 13:50:15,209 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 13:50:15,209 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 13:50:15,210 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 13:50:15,215 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 13:50:15,219 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 13:50:15,222 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 13:50:15,225 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 13:50:15,228 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 13:50:15,232 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 13:50:15,235 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 13:50:15,236 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 13:50:15,237 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 13:50:15,238 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 13:50:15,242 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 13:50:15,243 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 13:50:15,246 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 13:50:15,248 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 13:50:15,249 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 13:50:15,250 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 13:50:15,250 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 13:50:15,251 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 13:50:15,254 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 13:50:15,254 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 13:50:15,282 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 13:50:15,283 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 13:50:15,286 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 13:50:15,286 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 13:50:15,287 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 13:50:15,287 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 13:50:15,287 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 13:50:15,287 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 13:50:15,288 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 13:50:15,288 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 13:50:15,288 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 13:50:15,288 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 13:50:15,288 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 13:50:15,291 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 13:50:15,291 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 13:50:15,291 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 13:50:15,291 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 13:50:15,292 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 13:50:15,292 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 13:50:15,292 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 13:50:15,292 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 13:50:15,292 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 13:50:15,293 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 13:50:15,293 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 13:50:15,293 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 13:50:15,293 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 13:50:15,293 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 13:50:15,297 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 13:50:15,297 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 13:50:15,298 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /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 -> e96842f9a03cb3c7d57e4720c2380ee270a08502 [2018-09-20 13:50:15,348 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 13:50:15,364 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 13:50:15,370 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 13:50:15,371 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 13:50:15,372 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 13:50:15,373 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/addsub_float_exact_true-unreach-call_true-termination.c [2018-09-20 13:50:15,747 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2aa83d684/e273fed09bfc4cdca658b0c078904b83/FLAG56421f196 [2018-09-20 13:50:15,892 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 13:50:15,893 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/addsub_float_exact_true-unreach-call_true-termination.c [2018-09-20 13:50:15,901 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2aa83d684/e273fed09bfc4cdca658b0c078904b83/FLAG56421f196 [2018-09-20 13:50:15,918 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2aa83d684/e273fed09bfc4cdca658b0c078904b83 [2018-09-20 13:50:15,923 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 13:50:15,927 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 13:50:15,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 13:50:15,929 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 13:50:15,936 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 13:50:15,937 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:50:15" (1/1) ... [2018-09-20 13:50:15,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21ab6c32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:50:15, skipping insertion in model container [2018-09-20 13:50:15,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:50:15" (1/1) ... [2018-09-20 13:50:15,954 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 13:50:16,155 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 13:50:16,175 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 13:50:16,180 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 13:50:16,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:50:16 WrapperNode [2018-09-20 13:50:16,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 13:50:16,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 13:50:16,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 13:50:16,194 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 13:50:16,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:50:16" (1/1) ... [2018-09-20 13:50:16,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:50:16" (1/1) ... [2018-09-20 13:50:16,218 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:50:16" (1/1) ... [2018-09-20 13:50:16,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:50:16" (1/1) ... [2018-09-20 13:50:16,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:50:16" (1/1) ... [2018-09-20 13:50:16,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:50:16" (1/1) ... [2018-09-20 13:50:16,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:50:16" (1/1) ... [2018-09-20 13:50:16,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 13:50:16,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 13:50:16,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 13:50:16,227 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 13:50:16,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:50:16" (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 [2018-09-20 13:50:16,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 13:50:16,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 13:50:16,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-20 13:50:16,311 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 13:50:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 13:50:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-20 13:50:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 13:50:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 13:50:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 13:50:16,627 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 13:50:16,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:50:16 BoogieIcfgContainer [2018-09-20 13:50:16,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 13:50:16,629 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 13:50:16,629 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 13:50:16,633 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 13:50:16,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:50:15" (1/3) ... [2018-09-20 13:50:16,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@642ca318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:50:16, skipping insertion in model container [2018-09-20 13:50:16,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:50:16" (2/3) ... [2018-09-20 13:50:16,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@642ca318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:50:16, skipping insertion in model container [2018-09-20 13:50:16,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:50:16" (3/3) ... [2018-09-20 13:50:16,637 INFO L112 eAbstractionObserver]: Analyzing ICFG addsub_float_exact_true-unreach-call_true-termination.c [2018-09-20 13:50:16,647 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 13:50:16,656 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 13:50:16,710 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 13:50:16,711 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 13:50:16,711 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 13:50:16,712 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 13:50:16,712 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 13:50:16,712 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 13:50:16,712 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 13:50:16,712 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 13:50:16,712 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 13:50:16,732 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-09-20 13:50:16,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-20 13:50:16,739 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 13:50:16,740 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 13:50:16,742 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 13:50:16,749 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2018-09-20 13:50:16,752 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 13:50:16,752 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 13:50:16,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 13:50:16,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 13:50:16,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 13:50:16,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 13:50:16,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 13:50:16,868 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 13:50:16,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:50:16 BoogieIcfgContainer [2018-09-20 13:50:16,889 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 13:50:16,889 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 13:50:16,889 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 13:50:16,889 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 13:50:16,890 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:50:16" (3/4) ... [2018-09-20 13:50:16,894 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 13:50:16,894 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 13:50:16,895 INFO L168 Benchmark]: Toolchain (without parser) took 970.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -171.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 13:50:16,897 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 13:50:16,898 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.93 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-09-20 13:50:16,899 INFO L168 Benchmark]: Boogie Preprocessor took 33.14 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 13:50:16,900 INFO L168 Benchmark]: RCFGBuilder took 401.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -198.2 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-09-20 13:50:16,901 INFO L168 Benchmark]: TraceAbstraction took 259.33 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: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2018-09-20 13:50:16,902 INFO L168 Benchmark]: Witness Printer took 5.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 13:50:16,910 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 264.93 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.14 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 401.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -198.2 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 259.33 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: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. * Witness Printer took 5.05 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: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 11. Possible FailurePath: [L8] float x, y, z, r; [L10] x = 1e7f [L11] y = x + 1.f [L12] z = x - 1.f [L13] r = y - z VAL [x=10000000] [L14] CALL __VERIFIER_assert(r == 2.f) VAL [\old(cond)=0] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L4] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-40ef509 [2018-09-20 13:50:19,319 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 13:50:19,322 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 13:50:19,335 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 13:50:19,335 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 13:50:19,336 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 13:50:19,338 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 13:50:19,340 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 13:50:19,342 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 13:50:19,343 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 13:50:19,344 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 13:50:19,344 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 13:50:19,345 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 13:50:19,346 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 13:50:19,348 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 13:50:19,349 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 13:50:19,350 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 13:50:19,352 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 13:50:19,354 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 13:50:19,356 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 13:50:19,357 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 13:50:19,359 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 13:50:19,362 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 13:50:19,362 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 13:50:19,362 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 13:50:19,363 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 13:50:19,365 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 13:50:19,365 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 13:50:19,366 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 13:50:19,368 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 13:50:19,368 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 13:50:19,369 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 13:50:19,369 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 13:50:19,369 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 13:50:19,371 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 13:50:19,372 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 13:50:19,372 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 13:50:19,391 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 13:50:19,391 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 13:50:19,393 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 13:50:19,393 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 13:50:19,394 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 13:50:19,394 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 13:50:19,394 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 13:50:19,394 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 13:50:19,394 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 13:50:19,395 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 13:50:19,396 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 13:50:19,396 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 13:50:19,396 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 13:50:19,396 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 13:50:19,396 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 13:50:19,396 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 13:50:19,397 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 13:50:19,397 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 13:50:19,397 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 13:50:19,397 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 13:50:19,398 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 13:50:19,399 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 13:50:19,399 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 13:50:19,399 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 13:50:19,399 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 13:50:19,399 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 13:50:19,400 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 13:50:19,400 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 13:50:19,400 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 13:50:19,400 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 13:50:19,400 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 13:50:19,401 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /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 -> e96842f9a03cb3c7d57e4720c2380ee270a08502 [2018-09-20 13:50:19,467 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 13:50:19,484 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 13:50:19,489 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 13:50:19,491 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 13:50:19,491 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 13:50:19,492 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/addsub_float_exact_true-unreach-call_true-termination.c [2018-09-20 13:50:19,842 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c0730284/2ad1b3253d294a57b0ee84be69862a5b/FLAG470db7ce8 [2018-09-20 13:50:20,025 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 13:50:20,026 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/addsub_float_exact_true-unreach-call_true-termination.c [2018-09-20 13:50:20,033 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c0730284/2ad1b3253d294a57b0ee84be69862a5b/FLAG470db7ce8 [2018-09-20 13:50:20,050 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c0730284/2ad1b3253d294a57b0ee84be69862a5b [2018-09-20 13:50:20,055 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 13:50:20,058 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 13:50:20,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 13:50:20,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 13:50:20,068 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 13:50:20,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:50:20" (1/1) ... [2018-09-20 13:50:20,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c29c805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:50:20, skipping insertion in model container [2018-09-20 13:50:20,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:50:20" (1/1) ... [2018-09-20 13:50:20,085 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 13:50:20,270 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 13:50:20,295 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 13:50:20,302 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 13:50:20,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:50:20 WrapperNode [2018-09-20 13:50:20,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 13:50:20,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 13:50:20,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 13:50:20,327 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 13:50:20,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:50:20" (1/1) ... [2018-09-20 13:50:20,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:50:20" (1/1) ... [2018-09-20 13:50:20,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:50:20" (1/1) ... [2018-09-20 13:50:20,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:50:20" (1/1) ... [2018-09-20 13:50:20,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:50:20" (1/1) ... [2018-09-20 13:50:20,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:50:20" (1/1) ... [2018-09-20 13:50:20,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:50:20" (1/1) ... [2018-09-20 13:50:20,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 13:50:20,372 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 13:50:20,372 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 13:50:20,372 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 13:50:20,373 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:50:20" (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 [2018-09-20 13:50:20,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 13:50:20,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 13:50:20,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-20 13:50:20,456 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 13:50:20,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 13:50:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-20 13:50:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 13:50:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 13:50:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 13:50:20,749 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 13:50:20,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:50:20 BoogieIcfgContainer [2018-09-20 13:50:20,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 13:50:20,751 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 13:50:20,751 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 13:50:20,760 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 13:50:20,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:50:20" (1/3) ... [2018-09-20 13:50:20,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23ba3a0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:50:20, skipping insertion in model container [2018-09-20 13:50:20,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:50:20" (2/3) ... [2018-09-20 13:50:20,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23ba3a0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:50:20, skipping insertion in model container [2018-09-20 13:50:20,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:50:20" (3/3) ... [2018-09-20 13:50:20,765 INFO L112 eAbstractionObserver]: Analyzing ICFG addsub_float_exact_true-unreach-call_true-termination.c [2018-09-20 13:50:20,775 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 13:50:20,783 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 13:50:20,839 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 13:50:20,840 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 13:50:20,840 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 13:50:20,840 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 13:50:20,840 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 13:50:20,840 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 13:50:20,841 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 13:50:20,841 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 13:50:20,841 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 13:50:20,865 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-09-20 13:50:20,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-20 13:50:20,871 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 13:50:20,872 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 13:50:20,874 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 13:50:20,880 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2018-09-20 13:50:20,885 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 13:50:20,885 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy 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) [2018-09-20 13:50:20,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-20 13:50:21,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 13:50:21,028 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 13:50:21,263 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 5 [2018-09-20 13:50:21,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 13:50:21,297 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 13:50:21,309 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 13:50:21,309 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-20 13:50:21,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-20 13:50:21,330 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-20 13:50:21,331 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-20 13:50:21,334 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 5 states. [2018-09-20 13:50:21,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 13:50:21,449 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2018-09-20 13:50:21,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-20 13:50:21,451 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2018-09-20 13:50:21,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 13:50:21,458 INFO L225 Difference]: With dead ends: 24 [2018-09-20 13:50:21,458 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 13:50:21,462 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-09-20 13:50:21,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 13:50:21,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 13:50:21,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 13:50:21,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 13:50:21,496 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2018-09-20 13:50:21,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 13:50:21,496 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 13:50:21,497 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-20 13:50:21,497 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 13:50:21,497 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 13:50:21,503 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 13:50:21,575 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-09-20 13:50:21,575 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 13:50:21,575 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 13:50:21,575 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-20 13:50:21,575 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 13:50:21,576 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 13:50:21,576 INFO L422 ceAbstractionStarter]: At program point L14(line 14) the Hoare annotation is: (= (let ((.cse0 ((_ to_fp 8 24) RNE 10000000.0)) (.cse1 ((_ to_fp 8 24) RNE 1.0))) (fp.sub RNE (fp.add RNE .cse0 .cse1) (fp.sub RNE .cse0 .cse1))) main_~r~0) [2018-09-20 13:50:21,576 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 6 16) the Hoare annotation is: true [2018-09-20 13:50:21,576 INFO L426 ceAbstractionStarter]: For program point L14-1(line 14) no Hoare annotation was computed. [2018-09-20 13:50:21,576 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 6 16) no Hoare annotation was computed. [2018-09-20 13:50:21,577 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 6 16) no Hoare annotation was computed. [2018-09-20 13:50:21,577 INFO L426 ceAbstractionStarter]: For program point L4-3(line 4) no Hoare annotation was computed. [2018-09-20 13:50:21,577 INFO L429 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 4) the Hoare annotation is: true [2018-09-20 13:50:21,577 INFO L426 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 4) no Hoare annotation was computed. [2018-09-20 13:50:21,577 INFO L426 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2018-09-20 13:50:21,578 INFO L426 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2018-09-20 13:50:21,578 INFO L426 ceAbstractionStarter]: For program point L4-1(line 4) no Hoare annotation was computed. [2018-09-20 13:50:21,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:50:21 BoogieIcfgContainer [2018-09-20 13:50:21,582 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 13:50:21,582 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 13:50:21,583 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 13:50:21,583 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 13:50:21,583 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:50:20" (3/4) ... [2018-09-20 13:50:21,588 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 13:50:21,595 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 13:50:21,596 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 13:50:21,596 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-09-20 13:50:21,600 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-09-20 13:50:21,601 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-09-20 13:50:21,601 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-09-20 13:50:21,601 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-09-20 13:50:21,654 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 13:50:21,654 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 13:50:21,656 INFO L168 Benchmark]: Toolchain (without parser) took 1599.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 951.8 MB in the beginning and 1.1 GB in the end (delta: -120.1 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. [2018-09-20 13:50:21,660 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 13:50:21,661 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.01 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 939.7 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-09-20 13:50:21,663 INFO L168 Benchmark]: Boogie Preprocessor took 44.43 ms. Allocated memory is still 1.0 GB. Free memory is still 939.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 13:50:21,664 INFO L168 Benchmark]: RCFGBuilder took 377.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 939.7 MB in the beginning and 1.1 GB in the end (delta: -168.1 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2018-09-20 13:50:21,667 INFO L168 Benchmark]: TraceAbstraction took 831.00 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: 35.9 MB). Peak memory consumption was 35.9 MB. Max. memory is 11.5 GB. [2018-09-20 13:50:21,672 INFO L168 Benchmark]: Witness Printer took 72.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 13:50:21,681 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 267.01 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 939.7 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.43 ms. Allocated memory is still 1.0 GB. Free memory is still 939.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 377.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 939.7 MB in the beginning and 1.1 GB in the end (delta: -168.1 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 831.00 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: 35.9 MB). Peak memory consumption was 35.9 MB. Max. memory is 11.5 GB. * Witness Printer took 72.04 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: 4]: 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 4 procedures, 17 locations, 1 error locations. SAFE Result, 0.7s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 7 SDslu, 27 SDs, 0 SdLazy, 7 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 25 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 280 SizeOfPredicates, 5 NumberOfNonLiveVariables, 20 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...