./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/bitvector-regression/integerpromotion_true-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e 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 /storage/repos/svcomp/c/bitvector-regression/integerpromotion_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 bf1168110983bcf9fdc75fe12a6575329d72d984 ............................................................................................................................................................................................................................. 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 /storage/repos/svcomp/c/bitvector-regression/integerpromotion_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 bf1168110983bcf9fdc75fe12a6575329d72d984 ...................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 16:08:41,183 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 16:08:41,185 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 16:08:41,198 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 16:08:41,198 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 16:08:41,199 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 16:08:41,202 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 16:08:41,204 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 16:08:41,207 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 16:08:41,207 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 16:08:41,210 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 16:08:41,211 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 16:08:41,213 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 16:08:41,216 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 16:08:41,222 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 16:08:41,223 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 16:08:41,226 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 16:08:41,228 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 16:08:41,233 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 16:08:41,236 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 16:08:41,238 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 16:08:41,241 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 16:08:41,245 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 16:08:41,245 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 16:08:41,245 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 16:08:41,246 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 16:08:41,247 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 16:08:41,248 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 16:08:41,248 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 16:08:41,251 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 16:08:41,251 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 16:08:41,253 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 16:08:41,254 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 16:08:41,254 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 16:08:41,256 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 16:08:41,257 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 16:08:41,257 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 16:08:41,283 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 16:08:41,283 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 16:08:41,284 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 16:08:41,285 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 16:08:41,286 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 16:08:41,286 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 16:08:41,287 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 16:08:41,287 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 16:08:41,288 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 16:08:41,288 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 16:08:41,288 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 16:08:41,288 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 16:08:41,288 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 16:08:41,289 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 16:08:41,289 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 16:08:41,289 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 16:08:41,289 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 16:08:41,290 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 16:08:41,290 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 16:08:41,290 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 16:08:41,290 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 16:08:41,290 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 16:08:41,292 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 16:08:41,292 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 16:08:41,292 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 16:08:41,292 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 16:08:41,292 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 16:08:41,293 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 16:08:41,293 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 16:08:41,293 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 16:08:41,293 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 -> bf1168110983bcf9fdc75fe12a6575329d72d984 [2018-11-28 16:08:41,367 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 16:08:41,389 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 16:08:41,395 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 16:08:41,397 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 16:08:41,397 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 16:08:41,398 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/bitvector-regression/integerpromotion_true-unreach-call_true-termination.c [2018-11-28 16:08:41,468 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fee5fe24c/276a987fe01a45a4b72ced67fb29d51e/FLAG271f037e2 [2018-11-28 16:08:41,917 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 16:08:41,918 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/bitvector-regression/integerpromotion_true-unreach-call_true-termination.c [2018-11-28 16:08:41,925 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fee5fe24c/276a987fe01a45a4b72ced67fb29d51e/FLAG271f037e2 [2018-11-28 16:08:42,277 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fee5fe24c/276a987fe01a45a4b72ced67fb29d51e [2018-11-28 16:08:42,281 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 16:08:42,283 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 16:08:42,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 16:08:42,284 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 16:08:42,289 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 16:08:42,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:08:42" (1/1) ... [2018-11-28 16:08:42,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15cb709d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:42, skipping insertion in model container [2018-11-28 16:08:42,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:08:42" (1/1) ... [2018-11-28 16:08:42,302 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 16:08:42,319 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 16:08:42,487 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 16:08:42,493 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 16:08:42,509 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 16:08:42,522 INFO L195 MainTranslator]: Completed translation [2018-11-28 16:08:42,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:42 WrapperNode [2018-11-28 16:08:42,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 16:08:42,524 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 16:08:42,524 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 16:08:42,524 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 16:08:42,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:42" (1/1) ... [2018-11-28 16:08:42,538 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:42" (1/1) ... [2018-11-28 16:08:42,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 16:08:42,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 16:08:42,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 16:08:42,546 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 16:08:42,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:42" (1/1) ... [2018-11-28 16:08:42,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:42" (1/1) ... [2018-11-28 16:08:42,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:42" (1/1) ... [2018-11-28 16:08:42,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:42" (1/1) ... [2018-11-28 16:08:42,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:42" (1/1) ... [2018-11-28 16:08:42,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:42" (1/1) ... [2018-11-28 16:08:42,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:42" (1/1) ... [2018-11-28 16:08:42,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 16:08:42,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 16:08:42,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 16:08:42,565 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 16:08:42,566 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:42" (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 [2018-11-28 16:08:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 16:08:42,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 16:08:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 16:08:42,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 16:08:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 16:08:42,696 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 16:08:42,848 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 16:08:42,848 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 16:08:42,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:08:42 BoogieIcfgContainer [2018-11-28 16:08:42,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 16:08:42,851 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 16:08:42,851 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 16:08:42,855 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 16:08:42,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:08:42" (1/3) ... [2018-11-28 16:08:42,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e4af2fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:08:42, skipping insertion in model container [2018-11-28 16:08:42,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:42" (2/3) ... [2018-11-28 16:08:42,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e4af2fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:08:42, skipping insertion in model container [2018-11-28 16:08:42,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:08:42" (3/3) ... [2018-11-28 16:08:42,862 INFO L112 eAbstractionObserver]: Analyzing ICFG integerpromotion_true-unreach-call_true-termination.c [2018-11-28 16:08:42,871 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 16:08:42,879 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 16:08:42,898 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 16:08:42,931 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 16:08:42,932 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 16:08:42,932 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 16:08:42,932 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 16:08:42,932 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 16:08:42,933 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 16:08:42,933 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 16:08:42,933 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 16:08:42,933 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 16:08:42,952 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-11-28 16:08:42,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-28 16:08:42,958 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:08:42,959 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:08:42,962 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:08:42,968 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:08:42,968 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2018-11-28 16:08:42,971 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:08:42,971 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:08:43,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:08:43,023 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:08:43,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:08:43,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 16:08:43,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 16:08:43,090 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 16:08:43,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:08:43 BoogieIcfgContainer [2018-11-28 16:08:43,116 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 16:08:43,116 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 16:08:43,117 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 16:08:43,117 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 16:08:43,118 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:08:42" (3/4) ... [2018-11-28 16:08:43,123 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 16:08:43,123 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 16:08:43,124 INFO L168 Benchmark]: Toolchain (without parser) took 842.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -147.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 16:08:43,126 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 16:08:43,127 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.44 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 16:08:43,128 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.34 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 16:08:43,129 INFO L168 Benchmark]: Boogie Preprocessor took 19.49 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 16:08:43,130 INFO L168 Benchmark]: RCFGBuilder took 284.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -179.7 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2018-11-28 16:08:43,131 INFO L168 Benchmark]: TraceAbstraction took 265.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2018-11-28 16:08:43,132 INFO L168 Benchmark]: Witness Printer took 6.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 16:08:43,139 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 239.44 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.34 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.49 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 284.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -179.7 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 265.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * Witness Printer took 6.61 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: 12]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseComplement at line 6. Possible FailurePath: [L5] unsigned char port = 0x5a; [L6] unsigned char result_8 = ( ~port ) >> 4; VAL [port=90, result_8=0] [L7] COND TRUE result_8 != 0xfa VAL [port=90, result_8=0] [L12] __VERIFIER_error() VAL [port=90, result_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 12 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=12occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-91b1670 [2018-11-28 16:08:45,478 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 16:08:45,480 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 16:08:45,495 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 16:08:45,495 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 16:08:45,500 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 16:08:45,502 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 16:08:45,504 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 16:08:45,507 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 16:08:45,514 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 16:08:45,515 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 16:08:45,515 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 16:08:45,516 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 16:08:45,517 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 16:08:45,518 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 16:08:45,519 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 16:08:45,520 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 16:08:45,521 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 16:08:45,523 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 16:08:45,525 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 16:08:45,526 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 16:08:45,527 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 16:08:45,529 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 16:08:45,529 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 16:08:45,529 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 16:08:45,530 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 16:08:45,531 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 16:08:45,532 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 16:08:45,533 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 16:08:45,534 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 16:08:45,534 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 16:08:45,534 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 16:08:45,535 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 16:08:45,535 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 16:08:45,536 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 16:08:45,536 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 16:08:45,537 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 16:08:45,556 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 16:08:45,556 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 16:08:45,557 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 16:08:45,557 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 16:08:45,557 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 16:08:45,558 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 16:08:45,558 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 16:08:45,558 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 16:08:45,558 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 16:08:45,558 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 16:08:45,558 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 16:08:45,559 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 16:08:45,559 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 16:08:45,559 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 16:08:45,559 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 16:08:45,559 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 16:08:45,560 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 16:08:45,560 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 16:08:45,560 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 16:08:45,560 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 16:08:45,560 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 16:08:45,560 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 16:08:45,561 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 16:08:45,561 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 16:08:45,561 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 16:08:45,561 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 16:08:45,561 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 16:08:45,562 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 16:08:45,562 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 16:08:45,562 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 16:08:45,562 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 16:08:45,562 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 16:08:45,562 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 -> bf1168110983bcf9fdc75fe12a6575329d72d984 [2018-11-28 16:08:45,613 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 16:08:45,628 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 16:08:45,636 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 16:08:45,638 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 16:08:45,639 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 16:08:45,639 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/bitvector-regression/integerpromotion_true-unreach-call_true-termination.c [2018-11-28 16:08:45,699 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae0066ced/586d4a245de541288f5cff0098702061/FLAGe40190b22 [2018-11-28 16:08:46,143 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 16:08:46,144 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/bitvector-regression/integerpromotion_true-unreach-call_true-termination.c [2018-11-28 16:08:46,150 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae0066ced/586d4a245de541288f5cff0098702061/FLAGe40190b22 [2018-11-28 16:08:46,504 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae0066ced/586d4a245de541288f5cff0098702061 [2018-11-28 16:08:46,508 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 16:08:46,510 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 16:08:46,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 16:08:46,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 16:08:46,514 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 16:08:46,515 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:08:46" (1/1) ... [2018-11-28 16:08:46,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ef72e64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:46, skipping insertion in model container [2018-11-28 16:08:46,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:08:46" (1/1) ... [2018-11-28 16:08:46,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 16:08:46,542 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 16:08:46,697 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 16:08:46,704 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 16:08:46,720 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 16:08:46,737 INFO L195 MainTranslator]: Completed translation [2018-11-28 16:08:46,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:46 WrapperNode [2018-11-28 16:08:46,737 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 16:08:46,738 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 16:08:46,738 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 16:08:46,738 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 16:08:46,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:46" (1/1) ... [2018-11-28 16:08:46,754 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:46" (1/1) ... [2018-11-28 16:08:46,761 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 16:08:46,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 16:08:46,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 16:08:46,764 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 16:08:46,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:46" (1/1) ... [2018-11-28 16:08:46,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:46" (1/1) ... [2018-11-28 16:08:46,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:46" (1/1) ... [2018-11-28 16:08:46,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:46" (1/1) ... [2018-11-28 16:08:46,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:46" (1/1) ... [2018-11-28 16:08:46,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:46" (1/1) ... [2018-11-28 16:08:46,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:46" (1/1) ... [2018-11-28 16:08:46,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 16:08:46,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 16:08:46,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 16:08:46,790 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 16:08:46,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:46" (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 [2018-11-28 16:08:46,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 16:08:46,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 16:08:46,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 16:08:46,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 16:08:46,911 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 16:08:46,911 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 16:08:47,050 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 16:08:47,050 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 16:08:47,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:08:47 BoogieIcfgContainer [2018-11-28 16:08:47,051 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 16:08:47,052 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 16:08:47,053 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 16:08:47,056 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 16:08:47,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:08:46" (1/3) ... [2018-11-28 16:08:47,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d1b8e4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:08:47, skipping insertion in model container [2018-11-28 16:08:47,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:46" (2/3) ... [2018-11-28 16:08:47,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d1b8e4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:08:47, skipping insertion in model container [2018-11-28 16:08:47,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:08:47" (3/3) ... [2018-11-28 16:08:47,059 INFO L112 eAbstractionObserver]: Analyzing ICFG integerpromotion_true-unreach-call_true-termination.c [2018-11-28 16:08:47,068 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 16:08:47,075 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 16:08:47,090 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 16:08:47,119 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 16:08:47,119 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 16:08:47,119 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 16:08:47,120 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 16:08:47,120 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 16:08:47,120 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 16:08:47,120 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 16:08:47,120 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 16:08:47,120 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 16:08:47,138 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-11-28 16:08:47,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-28 16:08:47,144 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:08:47,145 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:08:47,147 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:08:47,153 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:08:47,153 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2018-11-28 16:08:47,158 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 16:08:47,158 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 16:08:47,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:08:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:08:47,216 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 16:08:47,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:08:47,283 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 16:08:47,287 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:08:47,287 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 16:08:47,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 16:08:47,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 16:08:47,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:08:47,338 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 3 states. [2018-11-28 16:08:47,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:08:47,378 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2018-11-28 16:08:47,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 16:08:47,380 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-28 16:08:47,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:08:47,389 INFO L225 Difference]: With dead ends: 16 [2018-11-28 16:08:47,389 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 16:08:47,393 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:08:47,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 16:08:47,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 16:08:47,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 16:08:47,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 16:08:47,442 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2018-11-28 16:08:47,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:08:47,442 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 16:08:47,442 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 16:08:47,442 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 16:08:47,443 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 16:08:47,454 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 16:08:47,569 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-28 16:08:47,569 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 16:08:47,569 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 16:08:47,569 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-28 16:08:47,570 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 16:08:47,570 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 16:08:47,571 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 3 14) the Hoare annotation is: true [2018-11-28 16:08:47,571 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 3 14) no Hoare annotation was computed. [2018-11-28 16:08:47,571 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 3 14) no Hoare annotation was computed. [2018-11-28 16:08:47,571 INFO L444 ceAbstractionStarter]: At program point L8(lines 3 14) the Hoare annotation is: false [2018-11-28 16:08:47,571 INFO L448 ceAbstractionStarter]: For program point L7(lines 7 9) no Hoare annotation was computed. [2018-11-28 16:08:47,572 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2018-11-28 16:08:47,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:08:47 BoogieIcfgContainer [2018-11-28 16:08:47,583 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 16:08:47,583 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 16:08:47,583 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 16:08:47,584 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 16:08:47,585 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:08:47" (3/4) ... [2018-11-28 16:08:47,589 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 16:08:47,598 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 16:08:47,599 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 16:08:47,605 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-28 16:08:47,607 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 16:08:47,608 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 16:08:47,650 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 16:08:47,650 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 16:08:47,651 INFO L168 Benchmark]: Toolchain (without parser) took 1142.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -130.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 16:08:47,653 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 16:08:47,653 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.95 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 16:08:47,654 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.28 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 16:08:47,654 INFO L168 Benchmark]: Boogie Preprocessor took 26.42 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 16:08:47,655 INFO L168 Benchmark]: RCFGBuilder took 261.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -174.3 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-11-28 16:08:47,656 INFO L168 Benchmark]: TraceAbstraction took 530.69 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-28 16:08:47,657 INFO L168 Benchmark]: Witness Printer took 67.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 16:08:47,662 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 226.95 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.28 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.42 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 261.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -174.3 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 530.69 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Witness Printer took 67.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: 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 - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 12 locations, 1 error locations. SAFE Result, 0.4s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 8 SDtfs, 2 SDslu, 6 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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, 5 LocationsWithAnnotation, 5 PreInvPairs, 5 NumberOfFragments, 5 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 SizeOfPredicates, 2 NumberOfNonLiveVariables, 14 ConjunctsInSsa, 3 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...