./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/array-tiling/skippedu_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f 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/array-tiling/skippedu_false-unreach-call.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 69a8cdfb90da21c880e2ea8c68ae8d9efb957756 .................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 13:27:00,071 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 13:27:00,073 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 13:27:00,088 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 13:27:00,089 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 13:27:00,090 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 13:27:00,091 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 13:27:00,093 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 13:27:00,094 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 13:27:00,095 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 13:27:00,096 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 13:27:00,096 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 13:27:00,098 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 13:27:00,099 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 13:27:00,100 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 13:27:00,101 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 13:27:00,102 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 13:27:00,104 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 13:27:00,106 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 13:27:00,107 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 13:27:00,108 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 13:27:00,109 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 13:27:00,112 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 13:27:00,112 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 13:27:00,113 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 13:27:00,114 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 13:27:00,115 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 13:27:00,115 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 13:27:00,117 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 13:27:00,118 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 13:27:00,118 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 13:27:00,119 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 13:27:00,119 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 13:27:00,119 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 13:27:00,120 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 13:27:00,121 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 13:27:00,121 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-14 13:27:00,137 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 13:27:00,137 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 13:27:00,138 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 13:27:00,138 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 13:27:00,139 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 13:27:00,139 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 13:27:00,139 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 13:27:00,140 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 13:27:00,140 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 13:27:00,140 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 13:27:00,140 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-14 13:27:00,140 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 13:27:00,140 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-14 13:27:00,141 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 13:27:00,141 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 13:27:00,141 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-14 13:27:00,141 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 13:27:00,141 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 13:27:00,141 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 13:27:00,142 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 13:27:00,143 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 13:27:00,144 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 13:27:00,144 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 13:27:00,144 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-14 13:27:00,144 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 13:27:00,144 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 13:27:00,144 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-14 13:27:00,145 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 -> 69a8cdfb90da21c880e2ea8c68ae8d9efb957756 [2019-01-14 13:27:00,194 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 13:27:00,213 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 13:27:00,220 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 13:27:00,221 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 13:27:00,222 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 13:27:00,222 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/array-tiling/skippedu_false-unreach-call.i [2019-01-14 13:27:00,282 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b59090fa/d07adacfa04a4446afd3bdd46321d6f4/FLAG77383261b [2019-01-14 13:27:00,739 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 13:27:00,741 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/array-tiling/skippedu_false-unreach-call.i [2019-01-14 13:27:00,747 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b59090fa/d07adacfa04a4446afd3bdd46321d6f4/FLAG77383261b [2019-01-14 13:27:01,096 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b59090fa/d07adacfa04a4446afd3bdd46321d6f4 [2019-01-14 13:27:01,100 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 13:27:01,101 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 13:27:01,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 13:27:01,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 13:27:01,106 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 13:27:01,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 01:27:01" (1/1) ... [2019-01-14 13:27:01,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7290c9a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:27:01, skipping insertion in model container [2019-01-14 13:27:01,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 01:27:01" (1/1) ... [2019-01-14 13:27:01,118 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 13:27:01,136 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 13:27:01,359 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 13:27:01,366 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 13:27:01,398 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 13:27:01,423 INFO L195 MainTranslator]: Completed translation [2019-01-14 13:27:01,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:27:01 WrapperNode [2019-01-14 13:27:01,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 13:27:01,425 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 13:27:01,425 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 13:27:01,425 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 13:27:01,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:27:01" (1/1) ... [2019-01-14 13:27:01,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:27:01" (1/1) ... [2019-01-14 13:27:01,479 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 13:27:01,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 13:27:01,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 13:27:01,481 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 13:27:01,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:27:01" (1/1) ... [2019-01-14 13:27:01,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:27:01" (1/1) ... [2019-01-14 13:27:01,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:27:01" (1/1) ... [2019-01-14 13:27:01,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:27:01" (1/1) ... [2019-01-14 13:27:01,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:27:01" (1/1) ... [2019-01-14 13:27:01,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:27:01" (1/1) ... [2019-01-14 13:27:01,510 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:27:01" (1/1) ... [2019-01-14 13:27:01,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 13:27:01,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 13:27:01,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 13:27:01,513 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 13:27:01,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:27:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 13:27:01,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-14 13:27:01,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 13:27:01,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 13:27:01,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-14 13:27:01,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 13:27:01,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-14 13:27:01,999 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 13:27:02,000 INFO L286 CfgBuilder]: Removed 8 assue(true) statements. [2019-01-14 13:27:02,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 01:27:02 BoogieIcfgContainer [2019-01-14 13:27:02,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 13:27:02,002 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 13:27:02,002 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 13:27:02,005 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 13:27:02,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 01:27:01" (1/3) ... [2019-01-14 13:27:02,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ca82a42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 01:27:02, skipping insertion in model container [2019-01-14 13:27:02,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:27:01" (2/3) ... [2019-01-14 13:27:02,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ca82a42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 01:27:02, skipping insertion in model container [2019-01-14 13:27:02,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 01:27:02" (3/3) ... [2019-01-14 13:27:02,010 INFO L112 eAbstractionObserver]: Analyzing ICFG skippedu_false-unreach-call.i [2019-01-14 13:27:02,019 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 13:27:02,027 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-14 13:27:02,043 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-14 13:27:02,075 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 13:27:02,076 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 13:27:02,076 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-14 13:27:02,077 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 13:27:02,077 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 13:27:02,077 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 13:27:02,077 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 13:27:02,077 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 13:27:02,078 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 13:27:02,096 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2019-01-14 13:27:02,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-01-14 13:27:02,107 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 13:27:02,108 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 13:27:02,109 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-14 13:27:02,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 13:27:02,114 INFO L82 PathProgramCache]: Analyzing trace with hash -561124910, now seen corresponding path program 1 times [2019-01-14 13:27:02,115 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 13:27:02,116 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 13:27:02,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 13:27:02,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 13:27:02,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 13:27:02,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 13:27:02,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 13:27:02,403 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 13:27:02,404 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-14 13:27:02,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-14 13:27:02,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-14 13:27:02,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-14 13:27:02,419 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 4 states. [2019-01-14 13:27:02,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 13:27:02,611 INFO L93 Difference]: Finished difference Result 42 states and 55 transitions. [2019-01-14 13:27:02,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-14 13:27:02,613 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-01-14 13:27:02,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 13:27:02,621 INFO L225 Difference]: With dead ends: 42 [2019-01-14 13:27:02,621 INFO L226 Difference]: Without dead ends: 21 [2019-01-14 13:27:02,624 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-14 13:27:02,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-01-14 13:27:02,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 17. [2019-01-14 13:27:02,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-01-14 13:27:02,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2019-01-14 13:27:02,656 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 20 transitions. Word has length 9 [2019-01-14 13:27:02,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 13:27:02,657 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 20 transitions. [2019-01-14 13:27:02,657 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-14 13:27:02,657 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2019-01-14 13:27:02,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-01-14 13:27:02,658 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 13:27:02,658 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 13:27:02,658 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-14 13:27:02,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 13:27:02,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1429656024, now seen corresponding path program 1 times [2019-01-14 13:27:02,659 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 13:27:02,659 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 13:27:02,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 13:27:02,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 13:27:02,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 13:27:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 13:27:02,997 WARN L181 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 7 [2019-01-14 13:27:03,301 WARN L181 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 29 [2019-01-14 13:27:03,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 13:27:03,654 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 13:27:03,655 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-14 13:27:03,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 13:27:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 13:27:03,709 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 13:27:03,809 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 17 [2019-01-14 13:27:03,815 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 16 [2019-01-14 13:27:03,816 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 13:27:03,819 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 13:27:03,832 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-14 13:27:03,833 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:27, output treesize:23 [2019-01-14 13:27:03,932 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2019-01-14 13:27:03,968 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 13:27:03,994 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 13:27:03,996 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 33 [2019-01-14 13:27:03,997 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 13:27:04,119 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 13:27:04,199 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-14 13:27:04,200 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:26, output treesize:22 [2019-01-14 13:27:04,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 13:27:04,318 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 13:27:04,318 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2019-01-14 13:27:04,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-01-14 13:27:04,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-01-14 13:27:04,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2019-01-14 13:27:04,321 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. Second operand 15 states. [2019-01-14 13:27:05,073 WARN L181 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 23 [2019-01-14 13:27:05,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 13:27:05,588 INFO L93 Difference]: Finished difference Result 71 states and 85 transitions. [2019-01-14 13:27:05,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-01-14 13:27:05,588 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 14 [2019-01-14 13:27:05,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 13:27:05,591 INFO L225 Difference]: With dead ends: 71 [2019-01-14 13:27:05,591 INFO L226 Difference]: Without dead ends: 69 [2019-01-14 13:27:05,593 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=259, Invalid=733, Unknown=0, NotChecked=0, Total=992 [2019-01-14 13:27:05,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2019-01-14 13:27:05,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 38. [2019-01-14 13:27:05,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-01-14 13:27:05,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 49 transitions. [2019-01-14 13:27:05,602 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 49 transitions. Word has length 14 [2019-01-14 13:27:05,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 13:27:05,602 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 49 transitions. [2019-01-14 13:27:05,602 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-01-14 13:27:05,602 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2019-01-14 13:27:05,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-01-14 13:27:05,603 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 13:27:05,604 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 13:27:05,604 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-14 13:27:05,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 13:27:05,604 INFO L82 PathProgramCache]: Analyzing trace with hash -749597654, now seen corresponding path program 1 times [2019-01-14 13:27:05,605 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 13:27:05,605 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 13:27:05,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 13:27:05,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 13:27:05,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 13:27:05,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 13:27:05,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 13:27:05,679 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-14 13:27:05,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 01:27:05 BoogieIcfgContainer [2019-01-14 13:27:05,706 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 13:27:05,706 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 13:27:05,707 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 13:27:05,707 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 13:27:05,707 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 01:27:02" (3/4) ... [2019-01-14 13:27:05,709 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-14 13:27:05,754 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 13:27:05,754 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 13:27:05,755 INFO L168 Benchmark]: Toolchain (without parser) took 4655.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 951.3 MB in the beginning and 912.7 MB in the end (delta: 38.6 MB). Peak memory consumption was 181.2 MB. Max. memory is 11.5 GB. [2019-01-14 13:27:05,756 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. [2019-01-14 13:27:05,757 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.18 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. [2019-01-14 13:27:05,758 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.42 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. [2019-01-14 13:27:05,759 INFO L168 Benchmark]: Boogie Preprocessor took 32.47 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-01-14 13:27:05,759 INFO L168 Benchmark]: RCFGBuilder took 488.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -182.7 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-01-14 13:27:05,760 INFO L168 Benchmark]: TraceAbstraction took 3703.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 912.7 MB in the end (delta: 205.3 MB). Peak memory consumption was 205.3 MB. Max. memory is 11.5 GB. [2019-01-14 13:27:05,762 INFO L168 Benchmark]: Witness Printer took 48.00 ms. Allocated memory is still 1.2 GB. Free memory is still 912.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 13:27:05,766 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 322.18 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 55.42 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. * Boogie Preprocessor took 32.47 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 488.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -182.7 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3703.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 912.7 MB in the end (delta: 205.3 MB). Peak memory consumption was 205.3 MB. Max. memory is 11.5 GB. * Witness Printer took 48.00 ms. Allocated memory is still 1.2 GB. Free memory is still 912.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L8] int SIZE; VAL [SIZE=0] [L12] SIZE = __VERIFIER_nondet_int() [L13] COND TRUE SIZE > 1 [L15] int i; [L16] int a[SIZE]; VAL [SIZE=2] [L18] COND FALSE !(SIZE % 2 != 0) [L21] i = 1 VAL [SIZE=2] [L21] COND TRUE i <= SIZE/2 [L23] EXPR a[2*i-2] VAL [SIZE=2] [L23] COND FALSE !(a[2*i-2] > i) [L27] EXPR a[2*i-1] VAL [SIZE=2] [L27] COND TRUE a[2*i-1] > i [L29] a[2*i-1] = 2*i-1 VAL [SIZE=2] [L21] i++ VAL [SIZE=2] [L21] COND FALSE !(i <= SIZE/2) VAL [SIZE=2] [L33] i = 0 VAL [SIZE=2] [L33] COND TRUE i < SIZE [L35] a[i] [L5] COND TRUE !(cond) VAL [SIZE=2] [L5] __VERIFIER_error() VAL [SIZE=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 21 locations, 1 error locations. UNSAFE Result, 3.6s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 1.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 29 SDtfs, 191 SDslu, 70 SDs, 0 SdLazy, 181 SolverSat, 57 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=2, 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, 2 MinimizatonAttempts, 35 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 5111 SizeOfPredicates, 9 NumberOfNonLiveVariables, 51 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...