/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-benchs/nan_double_range_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/nan_double_range_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 dfb5ded2642d3c9d46596c0cba0f14bb34f1a46e ...................................................................................................................................................................................................................... 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/nan_double_range_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 dfb5ded2642d3c9d46596c0cba0f14bb34f1a46e ................................................................................................................................................................................................................................................................. 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 14:10:39,336 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 14:10:39,339 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 14:10:39,357 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 14:10:39,357 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 14:10:39,359 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 14:10:39,361 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 14:10:39,364 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 14:10:39,366 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 14:10:39,368 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 14:10:39,371 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 14:10:39,372 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 14:10:39,373 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 14:10:39,375 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 14:10:39,379 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 14:10:39,380 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 14:10:39,382 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 14:10:39,384 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 14:10:39,389 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 14:10:39,396 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 14:10:39,397 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 14:10:39,398 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 14:10:39,401 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 14:10:39,401 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 14:10:39,401 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 14:10:39,402 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 14:10:39,403 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 14:10:39,404 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 14:10:39,405 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 14:10:39,406 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 14:10:39,407 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 14:10:39,407 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 14:10:39,408 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 14:10:39,408 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 14:10:39,409 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 14:10:39,409 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 14:10:39,410 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 14:10:39,427 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 14:10:39,427 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 14:10:39,428 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 14:10:39,428 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 14:10:39,429 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 14:10:39,429 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 14:10:39,429 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 14:10:39,429 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 14:10:39,430 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 14:10:39,430 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 14:10:39,431 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 14:10:39,431 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 14:10:39,431 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 14:10:39,431 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 14:10:39,431 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 14:10:39,432 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 14:10:39,432 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 14:10:39,432 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 14:10:39,433 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 14:10:39,433 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 14:10:39,433 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 14:10:39,433 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 14:10:39,433 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 14:10:39,434 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 14:10:39,434 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 14:10:39,434 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 14:10:39,434 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 14:10:39,434 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 14:10:39,436 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 14:10:39,436 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 -> dfb5ded2642d3c9d46596c0cba0f14bb34f1a46e [2018-09-20 14:10:39,489 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 14:10:39,512 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 14:10:39,518 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 14:10:39,519 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 14:10:39,520 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 14:10:39,521 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/nan_double_range_true-unreach-call_true-termination.c [2018-09-20 14:10:39,878 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/648578cfa/0cd99cc4ea414a28802f17d1f97384e5/FLAG6a3c7803b [2018-09-20 14:10:40,026 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 14:10:40,027 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/nan_double_range_true-unreach-call_true-termination.c [2018-09-20 14:10:40,034 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/648578cfa/0cd99cc4ea414a28802f17d1f97384e5/FLAG6a3c7803b [2018-09-20 14:10:40,050 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/648578cfa/0cd99cc4ea414a28802f17d1f97384e5 [2018-09-20 14:10:40,057 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 14:10:40,061 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 14:10:40,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 14:10:40,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 14:10:40,069 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 14:10:40,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:10:40" (1/1) ... [2018-09-20 14:10:40,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bfd7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:40, skipping insertion in model container [2018-09-20 14:10:40,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:10:40" (1/1) ... [2018-09-20 14:10:40,086 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 14:10:40,290 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:10:40,309 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 14:10:40,312 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:10:40,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:40 WrapperNode [2018-09-20 14:10:40,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 14:10:40,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 14:10:40,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 14:10:40,325 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 14:10:40,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:40" (1/1) ... [2018-09-20 14:10:40,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:40" (1/1) ... [2018-09-20 14:10:40,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:40" (1/1) ... [2018-09-20 14:10:40,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:40" (1/1) ... [2018-09-20 14:10:40,344 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:40" (1/1) ... [2018-09-20 14:10:40,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:40" (1/1) ... [2018-09-20 14:10:40,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:40" (1/1) ... [2018-09-20 14:10:40,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 14:10:40,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 14:10:40,349 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 14:10:40,349 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 14:10:40,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:40" (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 14:10:40,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 14:10:40,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 14:10:40,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-20 14:10:40,418 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 14:10:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 14:10:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-20 14:10:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-20 14:10:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 14:10:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 14:10:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 14:10:40,662 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 14:10:40,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:10:40 BoogieIcfgContainer [2018-09-20 14:10:40,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 14:10:40,664 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 14:10:40,664 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 14:10:40,668 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 14:10:40,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 02:10:40" (1/3) ... [2018-09-20 14:10:40,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f1714da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:10:40, skipping insertion in model container [2018-09-20 14:10:40,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:40" (2/3) ... [2018-09-20 14:10:40,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f1714da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:10:40, skipping insertion in model container [2018-09-20 14:10:40,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:10:40" (3/3) ... [2018-09-20 14:10:40,673 INFO L112 eAbstractionObserver]: Analyzing ICFG nan_double_range_true-unreach-call_true-termination.c [2018-09-20 14:10:40,683 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 14:10:40,691 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 14:10:40,743 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 14:10:40,744 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 14:10:40,744 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 14:10:40,744 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 14:10:40,744 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 14:10:40,744 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 14:10:40,744 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 14:10:40,744 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 14:10:40,745 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 14:10:40,768 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-09-20 14:10:40,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-20 14:10:40,775 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:10:40,776 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:10:40,779 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:10:40,785 INFO L82 PathProgramCache]: Analyzing trace with hash -1736771137, now seen corresponding path program 1 times [2018-09-20 14:10:40,787 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 14:10:40,788 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 14:10:40,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 14:10:40,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:10:40,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 14:10:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 14:10:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 14:10:40,908 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 14:10:40,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 02:10:40 BoogieIcfgContainer [2018-09-20 14:10:40,930 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 14:10:40,931 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 14:10:40,931 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 14:10:40,931 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 14:10:40,932 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:10:40" (3/4) ... [2018-09-20 14:10:40,936 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 14:10:40,937 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 14:10:40,938 INFO L168 Benchmark]: Toolchain (without parser) took 880.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 950.5 MB in the beginning and 1.1 GB in the end (delta: -150.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:10:40,940 INFO L168 Benchmark]: CDTParser took 0.22 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 14:10:40,941 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.03 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 939.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-09-20 14:10:40,942 INFO L168 Benchmark]: Boogie Preprocessor took 23.27 ms. Allocated memory is still 1.0 GB. Free memory is still 939.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:10:40,943 INFO L168 Benchmark]: RCFGBuilder took 314.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -176.4 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2018-09-20 14:10:40,944 INFO L168 Benchmark]: TraceAbstraction took 266.64 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 14:10:40,945 INFO L168 Benchmark]: Witness Printer took 5.80 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 14:10:40,950 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 263.03 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 939.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.27 ms. Allocated memory is still 1.0 GB. Free memory is still 939.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 314.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -176.4 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 266.64 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 5.80 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: 6]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 13. Possible FailurePath: [L10] double x; [L11] x = __VERIFIER_nondet_double() [L13] COND TRUE x >= -1e307 && x <= 1e307 VAL [x=2] [L14] CALL __VERIFIER_assert(x==x) VAL [\old(cond)=0] [L6] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L6] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 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=18occurred 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, 10 NumberOfCodeBlocks, 10 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 14:10:43,325 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 14:10:43,327 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 14:10:43,345 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 14:10:43,345 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 14:10:43,348 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 14:10:43,349 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 14:10:43,354 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 14:10:43,357 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 14:10:43,358 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 14:10:43,360 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 14:10:43,361 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 14:10:43,362 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 14:10:43,363 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 14:10:43,372 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 14:10:43,373 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 14:10:43,376 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 14:10:43,379 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 14:10:43,385 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 14:10:43,389 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 14:10:43,390 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 14:10:43,391 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 14:10:43,394 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 14:10:43,394 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 14:10:43,395 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 14:10:43,397 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 14:10:43,398 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 14:10:43,399 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 14:10:43,400 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 14:10:43,401 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 14:10:43,401 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 14:10:43,403 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 14:10:43,403 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 14:10:43,403 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 14:10:43,404 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 14:10:43,405 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 14:10:43,406 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 14:10:43,421 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 14:10:43,421 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 14:10:43,422 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 14:10:43,423 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 14:10:43,423 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 14:10:43,423 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 14:10:43,424 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 14:10:43,424 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 14:10:43,425 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 14:10:43,425 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 14:10:43,425 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 14:10:43,425 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 14:10:43,425 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 14:10:43,425 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 14:10:43,426 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 14:10:43,426 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 14:10:43,426 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 14:10:43,426 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 14:10:43,426 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 14:10:43,428 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 14:10:43,428 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 14:10:43,428 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 14:10:43,428 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 14:10:43,429 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 14:10:43,429 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 14:10:43,429 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 14:10:43,429 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 14:10:43,430 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 14:10:43,430 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 14:10:43,430 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 14:10:43,431 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 14:10:43,431 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 -> dfb5ded2642d3c9d46596c0cba0f14bb34f1a46e [2018-09-20 14:10:43,488 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 14:10:43,504 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 14:10:43,510 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 14:10:43,512 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 14:10:43,512 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 14:10:43,513 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/nan_double_range_true-unreach-call_true-termination.c [2018-09-20 14:10:43,873 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8fbccb36/b3171ce55960491bb56944295c0a49d5/FLAGd40138285 [2018-09-20 14:10:44,025 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 14:10:44,028 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/nan_double_range_true-unreach-call_true-termination.c [2018-09-20 14:10:44,037 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8fbccb36/b3171ce55960491bb56944295c0a49d5/FLAGd40138285 [2018-09-20 14:10:44,067 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8fbccb36/b3171ce55960491bb56944295c0a49d5 [2018-09-20 14:10:44,074 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 14:10:44,080 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 14:10:44,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 14:10:44,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 14:10:44,092 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 14:10:44,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:10:44" (1/1) ... [2018-09-20 14:10:44,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5166dcbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:44, skipping insertion in model container [2018-09-20 14:10:44,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:10:44" (1/1) ... [2018-09-20 14:10:44,113 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 14:10:44,376 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:10:44,401 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 14:10:44,408 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:10:44,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:44 WrapperNode [2018-09-20 14:10:44,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 14:10:44,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 14:10:44,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 14:10:44,431 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 14:10:44,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:44" (1/1) ... [2018-09-20 14:10:44,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:44" (1/1) ... [2018-09-20 14:10:44,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:44" (1/1) ... [2018-09-20 14:10:44,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:44" (1/1) ... [2018-09-20 14:10:44,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:44" (1/1) ... [2018-09-20 14:10:44,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:44" (1/1) ... [2018-09-20 14:10:44,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:44" (1/1) ... [2018-09-20 14:10:44,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 14:10:44,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 14:10:44,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 14:10:44,489 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 14:10:44,490 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:44" (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 14:10:44,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 14:10:44,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 14:10:44,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-20 14:10:44,573 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 14:10:44,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 14:10:44,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-20 14:10:44,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-20 14:10:44,576 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 14:10:44,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 14:10:44,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 14:10:44,871 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 14:10:44,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:10:44 BoogieIcfgContainer [2018-09-20 14:10:44,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 14:10:44,873 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 14:10:44,873 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 14:10:44,877 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 14:10:44,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 02:10:44" (1/3) ... [2018-09-20 14:10:44,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556b7733 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:10:44, skipping insertion in model container [2018-09-20 14:10:44,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:44" (2/3) ... [2018-09-20 14:10:44,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556b7733 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:10:44, skipping insertion in model container [2018-09-20 14:10:44,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:10:44" (3/3) ... [2018-09-20 14:10:44,880 INFO L112 eAbstractionObserver]: Analyzing ICFG nan_double_range_true-unreach-call_true-termination.c [2018-09-20 14:10:44,890 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 14:10:44,898 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 14:10:44,951 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 14:10:44,952 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 14:10:44,952 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 14:10:44,952 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 14:10:44,952 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 14:10:44,952 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 14:10:44,952 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 14:10:44,953 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 14:10:44,953 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 14:10:44,972 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-09-20 14:10:44,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-20 14:10:44,979 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:10:44,980 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:10:44,982 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:10:44,988 INFO L82 PathProgramCache]: Analyzing trace with hash -1736771137, now seen corresponding path program 1 times [2018-09-20 14:10:44,993 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:10:44,994 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 14:10:45,009 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 14:10:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:10:45,060 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:10:45,311 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 14:10:45,311 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:10:45,323 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:10:45,323 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-20 14:10:45,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-20 14:10:45,343 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-20 14:10:45,344 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-20 14:10:45,347 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 5 states. [2018-09-20 14:10:45,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:10:45,489 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2018-09-20 14:10:45,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-20 14:10:45,491 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-09-20 14:10:45,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:10:45,499 INFO L225 Difference]: With dead ends: 28 [2018-09-20 14:10:45,500 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 14:10:45,504 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 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 14:10:45,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 14:10:45,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 14:10:45,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 14:10:45,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 14:10:45,530 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-09-20 14:10:45,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:10:45,530 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 14:10:45,531 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-20 14:10:45,531 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 14:10:45,531 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 14:10:45,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 14:10:45,611 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-09-20 14:10:45,611 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 14:10:45,612 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 14:10:45,612 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-20 14:10:45,612 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 14:10:45,612 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 14:10:45,613 INFO L422 ceAbstractionStarter]: At program point L14(line 14) the Hoare annotation is: (fp.geq main_~x~0 (fp.neg ((_ to_fp 11 53) RNE 10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0))) [2018-09-20 14:10:45,613 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 8 17) the Hoare annotation is: true [2018-09-20 14:10:45,613 INFO L426 ceAbstractionStarter]: For program point L13(lines 13 15) no Hoare annotation was computed. [2018-09-20 14:10:45,613 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 8 17) no Hoare annotation was computed. [2018-09-20 14:10:45,613 INFO L426 ceAbstractionStarter]: For program point L13-1(lines 13 15) no Hoare annotation was computed. [2018-09-20 14:10:45,614 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 8 17) no Hoare annotation was computed. [2018-09-20 14:10:45,614 INFO L429 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 6) the Hoare annotation is: true [2018-09-20 14:10:45,614 INFO L426 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 6) no Hoare annotation was computed. [2018-09-20 14:10:45,614 INFO L426 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2018-09-20 14:10:45,614 INFO L426 ceAbstractionStarter]: For program point L6-1(line 6) no Hoare annotation was computed. [2018-09-20 14:10:45,614 INFO L426 ceAbstractionStarter]: For program point L6-3(line 6) no Hoare annotation was computed. [2018-09-20 14:10:45,615 INFO L426 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2018-09-20 14:10:45,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 02:10:45 BoogieIcfgContainer [2018-09-20 14:10:45,622 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 14:10:45,622 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 14:10:45,623 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 14:10:45,623 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 14:10:45,623 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:10:44" (3/4) ... [2018-09-20 14:10:45,630 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 14:10:45,640 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 14:10:45,641 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 14:10:45,642 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-09-20 14:10:45,648 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-09-20 14:10:45,649 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-09-20 14:10:45,649 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-09-20 14:10:45,697 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 14:10:45,697 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 14:10:45,698 INFO L168 Benchmark]: Toolchain (without parser) took 1622.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Free memory was 953.2 MB in the beginning and 1.0 GB in the end (delta: -85.1 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. [2018-09-20 14:10:45,701 INFO L168 Benchmark]: CDTParser took 2.46 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 14:10:45,701 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.51 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 14:10:45,702 INFO L168 Benchmark]: Boogie Preprocessor took 55.20 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 14:10:45,703 INFO L168 Benchmark]: RCFGBuilder took 385.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -132.8 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2018-09-20 14:10:45,704 INFO L168 Benchmark]: TraceAbstraction took 749.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 36.9 MB). Peak memory consumption was 36.9 MB. Max. memory is 11.5 GB. [2018-09-20 14:10:45,705 INFO L168 Benchmark]: Witness Printer took 74.87 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:10:45,710 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.46 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 348.51 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 55.20 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 385.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -132.8 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 749.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 36.9 MB). Peak memory consumption was 36.9 MB. Max. memory is 11.5 GB. * Witness Printer took 74.87 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: 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, 18 locations, 1 error locations. SAFE Result, 0.6s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 16 SDtfs, 7 SDslu, 40 SDs, 0 SdLazy, 9 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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, 11 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, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 198 SizeOfPredicates, 2 NumberOfNonLiveVariables, 19 ConjunctsInSsa, 4 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...