./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.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 eac2167e56762050a6cde7d8ccfbf36c5d226056 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:22:27,401 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:22:27,404 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:22:27,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:22:27,416 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:22:27,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:22:27,419 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:22:27,421 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:22:27,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:22:27,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:22:27,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:22:27,427 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:22:27,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:22:27,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:22:27,430 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:22:27,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:22:27,432 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:22:27,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:22:27,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:22:27,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:22:27,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:22:27,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:22:27,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:22:27,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:22:27,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:22:27,445 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:22:27,446 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:22:27,447 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:22:27,447 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:22:27,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:22:27,449 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:22:27,450 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:22:27,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:22:27,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:22:27,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:22:27,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:22:27,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:22:27,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:22:27,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:22:27,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:22:27,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:22:27,457 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:22:27,472 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:22:27,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:22:27,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:22:27,474 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:22:27,474 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:22:27,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:22:27,475 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:22:27,475 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:22:27,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:22:27,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:22:27,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:22:27,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:22:27,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:22:27,477 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:22:27,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:22:27,478 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:22:27,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:22:27,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:22:27,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:22:27,479 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:22:27,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:22:27,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:22:27,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:22:27,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:22:27,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:22:27,481 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:22:27,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:22:27,481 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:22:27,481 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eac2167e56762050a6cde7d8ccfbf36c5d226056 [2019-11-28 00:22:27,806 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:22:27,820 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:22:27,825 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:22:27,827 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:22:27,827 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:22:27,828 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2019-11-28 00:22:27,892 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac61189a2/d6ffcce5db47499cbfb6dacbb0706357/FLAGd38a43fd2 [2019-11-28 00:22:28,408 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:22:28,409 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2019-11-28 00:22:28,422 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac61189a2/d6ffcce5db47499cbfb6dacbb0706357/FLAGd38a43fd2 [2019-11-28 00:22:28,698 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac61189a2/d6ffcce5db47499cbfb6dacbb0706357 [2019-11-28 00:22:28,702 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:22:28,703 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:22:28,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:22:28,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:22:28,709 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:22:28,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:22:28" (1/1) ... [2019-11-28 00:22:28,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4091a57b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:28, skipping insertion in model container [2019-11-28 00:22:28,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:22:28" (1/1) ... [2019-11-28 00:22:28,721 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:22:28,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:22:29,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:22:29,188 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:22:29,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:22:29,305 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:22:29,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:29 WrapperNode [2019-11-28 00:22:29,305 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:22:29,306 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:22:29,307 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:22:29,307 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:22:29,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:29" (1/1) ... [2019-11-28 00:22:29,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:29" (1/1) ... [2019-11-28 00:22:29,386 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:22:29,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:22:29,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:22:29,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:22:29,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:29" (1/1) ... [2019-11-28 00:22:29,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:29" (1/1) ... [2019-11-28 00:22:29,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:29" (1/1) ... [2019-11-28 00:22:29,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:29" (1/1) ... [2019-11-28 00:22:29,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:29" (1/1) ... [2019-11-28 00:22:29,414 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:29" (1/1) ... [2019-11-28 00:22:29,417 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:29" (1/1) ... [2019-11-28 00:22:29,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:22:29,422 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:22:29,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:22:29,422 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:22:29,423 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:22:29,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:22:29,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:22:29,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:22:29,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:22:30,168 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:22:30,171 INFO L297 CfgBuilder]: Removed 68 assume(true) statements. [2019-11-28 00:22:30,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:22:30 BoogieIcfgContainer [2019-11-28 00:22:30,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:22:30,175 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:22:30,176 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:22:30,180 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:22:30,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:22:28" (1/3) ... [2019-11-28 00:22:30,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28f1ddf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:22:30, skipping insertion in model container [2019-11-28 00:22:30,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:29" (2/3) ... [2019-11-28 00:22:30,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28f1ddf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:22:30, skipping insertion in model container [2019-11-28 00:22:30,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:22:30" (3/3) ... [2019-11-28 00:22:30,188 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product10.cil.c [2019-11-28 00:22:30,198 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:22:30,205 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 00:22:30,214 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 00:22:30,236 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:22:30,236 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:22:30,236 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:22:30,237 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:22:30,237 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:22:30,237 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:22:30,237 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:22:30,238 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:22:30,253 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2019-11-28 00:22:30,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-28 00:22:30,260 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:30,261 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:30,262 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:30,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:30,268 INFO L82 PathProgramCache]: Analyzing trace with hash 1537784819, now seen corresponding path program 1 times [2019-11-28 00:22:30,275 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:30,275 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806259372] [2019-11-28 00:22:30,276 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:30,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:22:30,505 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806259372] [2019-11-28 00:22:30,507 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:30,508 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:22:30,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663082751] [2019-11-28 00:22:30,515 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:22:30,516 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:30,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:22:30,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:22:30,533 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2019-11-28 00:22:30,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:30,561 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2019-11-28 00:22:30,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:22:30,563 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-28 00:22:30,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:30,574 INFO L225 Difference]: With dead ends: 108 [2019-11-28 00:22:30,574 INFO L226 Difference]: Without dead ends: 53 [2019-11-28 00:22:30,578 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:22:30,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-11-28 00:22:30,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-11-28 00:22:30,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-11-28 00:22:30,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2019-11-28 00:22:30,617 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2019-11-28 00:22:30,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:30,617 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2019-11-28 00:22:30,618 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:22:30,618 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2019-11-28 00:22:30,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 00:22:30,619 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:30,619 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:30,620 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:30,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:30,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1979941713, now seen corresponding path program 1 times [2019-11-28 00:22:30,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:30,621 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147189954] [2019-11-28 00:22:30,622 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:30,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:30,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:22:30,726 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147189954] [2019-11-28 00:22:30,727 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:30,727 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:22:30,727 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85940188] [2019-11-28 00:22:30,729 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:22:30,731 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:30,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:22:30,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:22:30,733 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 3 states. [2019-11-28 00:22:30,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:30,765 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2019-11-28 00:22:30,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:22:30,766 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-28 00:22:30,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:30,768 INFO L225 Difference]: With dead ends: 53 [2019-11-28 00:22:30,768 INFO L226 Difference]: Without dead ends: 27 [2019-11-28 00:22:30,770 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:22:30,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-28 00:22:30,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-11-28 00:22:30,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-28 00:22:30,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2019-11-28 00:22:30,781 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2019-11-28 00:22:30,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:30,781 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2019-11-28 00:22:30,781 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:22:30,781 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2019-11-28 00:22:30,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-28 00:22:30,782 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:30,783 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:30,783 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:30,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:30,784 INFO L82 PathProgramCache]: Analyzing trace with hash -1992386864, now seen corresponding path program 1 times [2019-11-28 00:22:30,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:30,784 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218950240] [2019-11-28 00:22:30,785 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:31,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:22:31,006 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218950240] [2019-11-28 00:22:31,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:31,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-28 00:22:31,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343592689] [2019-11-28 00:22:31,007 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 00:22:31,007 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:31,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 00:22:31,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-28 00:22:31,009 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 8 states. [2019-11-28 00:22:31,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:31,395 INFO L93 Difference]: Finished difference Result 142 states and 221 transitions. [2019-11-28 00:22:31,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-28 00:22:31,396 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2019-11-28 00:22:31,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:31,401 INFO L225 Difference]: With dead ends: 142 [2019-11-28 00:22:31,403 INFO L226 Difference]: Without dead ends: 121 [2019-11-28 00:22:31,404 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2019-11-28 00:22:31,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-11-28 00:22:31,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 60. [2019-11-28 00:22:31,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-11-28 00:22:31,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 85 transitions. [2019-11-28 00:22:31,437 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 85 transitions. Word has length 22 [2019-11-28 00:22:31,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:31,438 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 85 transitions. [2019-11-28 00:22:31,439 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 00:22:31,439 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 85 transitions. [2019-11-28 00:22:31,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-28 00:22:31,441 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:31,441 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:31,442 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:31,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:31,443 INFO L82 PathProgramCache]: Analyzing trace with hash 1296861074, now seen corresponding path program 1 times [2019-11-28 00:22:31,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:31,444 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103532558] [2019-11-28 00:22:31,444 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:31,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:22:31,529 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103532558] [2019-11-28 00:22:31,529 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:31,529 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:22:31,530 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991751902] [2019-11-28 00:22:31,530 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:22:31,530 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:31,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:22:31,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:22:31,532 INFO L87 Difference]: Start difference. First operand 60 states and 85 transitions. Second operand 3 states. [2019-11-28 00:22:31,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:31,554 INFO L93 Difference]: Finished difference Result 95 states and 136 transitions. [2019-11-28 00:22:31,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:22:31,557 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2019-11-28 00:22:31,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:31,558 INFO L225 Difference]: With dead ends: 95 [2019-11-28 00:22:31,558 INFO L226 Difference]: Without dead ends: 57 [2019-11-28 00:22:31,561 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:22:31,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-28 00:22:31,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-28 00:22:31,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-28 00:22:31,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 77 transitions. [2019-11-28 00:22:31,576 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 77 transitions. Word has length 23 [2019-11-28 00:22:31,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:31,577 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 77 transitions. [2019-11-28 00:22:31,577 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:22:31,577 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2019-11-28 00:22:31,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-28 00:22:31,580 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:31,580 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:31,580 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:31,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:31,581 INFO L82 PathProgramCache]: Analyzing trace with hash -829366222, now seen corresponding path program 1 times [2019-11-28 00:22:31,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:31,582 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318168545] [2019-11-28 00:22:31,582 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:31,696 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-28 00:22:31,697 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318168545] [2019-11-28 00:22:31,697 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:31,698 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:22:31,698 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019066658] [2019-11-28 00:22:31,699 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:22:31,699 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:31,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:22:31,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:22:31,700 INFO L87 Difference]: Start difference. First operand 57 states and 77 transitions. Second operand 5 states. [2019-11-28 00:22:31,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:31,757 INFO L93 Difference]: Finished difference Result 111 states and 157 transitions. [2019-11-28 00:22:31,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 00:22:31,758 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-11-28 00:22:31,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:31,758 INFO L225 Difference]: With dead ends: 111 [2019-11-28 00:22:31,758 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:22:31,760 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 00:22:31,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:22:31,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:22:31,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:22:31,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:22:31,761 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2019-11-28 00:22:31,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:31,761 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:22:31,761 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:22:31,762 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:22:31,762 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:22:31,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:22:32,022 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2019-11-28 00:22:32,022 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:22:32,022 INFO L242 CegarLoopResult]: At program point L829(lines 824 832) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:32,022 INFO L242 CegarLoopResult]: At program point L829-1(lines 824 832) the Hoare annotation is: false [2019-11-28 00:22:32,022 INFO L242 CegarLoopResult]: At program point L829-2(lines 824 832) the Hoare annotation is: false [2019-11-28 00:22:32,023 INFO L246 CegarLoopResult]: For program point L698(lines 697 744) no Hoare annotation was computed. [2019-11-28 00:22:32,023 INFO L242 CegarLoopResult]: At program point L864(lines 859 867) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:22:32,023 INFO L246 CegarLoopResult]: For program point L699(lines 699 703) no Hoare annotation was computed. [2019-11-28 00:22:32,024 INFO L246 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2019-11-28 00:22:32,024 INFO L246 CegarLoopResult]: For program point L534(lines 534 541) no Hoare annotation was computed. [2019-11-28 00:22:32,024 INFO L246 CegarLoopResult]: For program point L55-2(lines 55 61) no Hoare annotation was computed. [2019-11-28 00:22:32,024 INFO L249 CegarLoopResult]: At program point L534-1(lines 534 541) the Hoare annotation is: true [2019-11-28 00:22:32,025 INFO L246 CegarLoopResult]: For program point L55-4(lines 55 61) no Hoare annotation was computed. [2019-11-28 00:22:32,025 INFO L242 CegarLoopResult]: At program point L568(lines 568 574) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:32,025 INFO L242 CegarLoopResult]: At program point L568-1(lines 568 574) the Hoare annotation is: false [2019-11-28 00:22:32,025 INFO L242 CegarLoopResult]: At program point L568-2(lines 568 574) the Hoare annotation is: false [2019-11-28 00:22:32,026 INFO L246 CegarLoopResult]: For program point L717(lines 717 723) no Hoare annotation was computed. [2019-11-28 00:22:32,027 INFO L242 CegarLoopResult]: At program point L717-1(lines 717 723) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:32,027 INFO L246 CegarLoopResult]: For program point L784(lines 784 788) no Hoare annotation was computed. [2019-11-28 00:22:32,027 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:22:32,027 INFO L246 CegarLoopResult]: For program point L735(lines 735 739) no Hoare annotation was computed. [2019-11-28 00:22:32,028 INFO L242 CegarLoopResult]: At program point L735-2(lines 561 567) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:32,028 INFO L246 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-28 00:22:32,028 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2019-11-28 00:22:32,028 INFO L246 CegarLoopResult]: For program point L439-1(line 439) no Hoare annotation was computed. [2019-11-28 00:22:32,029 INFO L246 CegarLoopResult]: For program point L439-2(line 439) no Hoare annotation was computed. [2019-11-28 00:22:32,029 INFO L242 CegarLoopResult]: At program point L456-2(lines 456 470) the Hoare annotation is: false [2019-11-28 00:22:32,030 INFO L242 CegarLoopResult]: At program point L638(lines 633 641) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:32,030 INFO L242 CegarLoopResult]: At program point L638-1(lines 633 641) the Hoare annotation is: false [2019-11-28 00:22:32,030 INFO L242 CegarLoopResult]: At program point L638-2(lines 633 641) the Hoare annotation is: false [2019-11-28 00:22:32,030 INFO L246 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-28 00:22:32,031 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:22:32,031 INFO L242 CegarLoopResult]: At program point L507(lines 503 509) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~4 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:22:32,031 INFO L246 CegarLoopResult]: For program point L772(lines 772 776) no Hoare annotation was computed. [2019-11-28 00:22:32,031 INFO L246 CegarLoopResult]: For program point L707(lines 707 713) no Hoare annotation was computed. [2019-11-28 00:22:32,032 INFO L242 CegarLoopResult]: At program point L707-1(lines 707 713) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:32,032 INFO L242 CegarLoopResult]: At program point L856(lines 1 867) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:22:32,032 INFO L246 CegarLoopResult]: For program point L460(lines 460 464) no Hoare annotation was computed. [2019-11-28 00:22:32,035 INFO L246 CegarLoopResult]: For program point L460-1(lines 561 567) no Hoare annotation was computed. [2019-11-28 00:22:32,036 INFO L249 CegarLoopResult]: At program point L543(lines 524 546) the Hoare annotation is: true [2019-11-28 00:22:32,037 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 00:22:32,037 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2019-11-28 00:22:32,037 INFO L242 CegarLoopResult]: At program point L561(lines 560 579) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:32,038 INFO L246 CegarLoopResult]: For program point L561-1(lines 561 567) no Hoare annotation was computed. [2019-11-28 00:22:32,038 INFO L242 CegarLoopResult]: At program point L561-2(lines 560 579) the Hoare annotation is: false [2019-11-28 00:22:32,038 INFO L242 CegarLoopResult]: At program point L561-3(lines 560 579) the Hoare annotation is: false [2019-11-28 00:22:32,038 INFO L246 CegarLoopResult]: For program point L760(lines 760 764) no Hoare annotation was computed. [2019-11-28 00:22:32,039 INFO L246 CegarLoopResult]: For program point L727(lines 727 740) no Hoare annotation was computed. [2019-11-28 00:22:32,039 INFO L246 CegarLoopResult]: For program point L760-3(lines 760 764) no Hoare annotation was computed. [2019-11-28 00:22:32,039 INFO L246 CegarLoopResult]: For program point L760-6(lines 760 764) no Hoare annotation was computed. [2019-11-28 00:22:32,047 INFO L246 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2019-11-28 00:22:32,047 INFO L242 CegarLoopResult]: At program point L51-1(lines 1 867) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:32,047 INFO L246 CegarLoopResult]: For program point L51-2(lines 51 64) no Hoare annotation was computed. [2019-11-28 00:22:32,048 INFO L242 CegarLoopResult]: At program point L51-3(lines 1 867) the Hoare annotation is: false [2019-11-28 00:22:32,048 INFO L246 CegarLoopResult]: For program point L51-4(lines 51 64) no Hoare annotation was computed. [2019-11-28 00:22:32,048 INFO L242 CegarLoopResult]: At program point L51-5(lines 1 867) the Hoare annotation is: false [2019-11-28 00:22:32,049 INFO L242 CegarLoopResult]: At program point L745(lines 696 746) the Hoare annotation is: false [2019-11-28 00:22:32,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:22:32 BoogieIcfgContainer [2019-11-28 00:22:32,076 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:22:32,077 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:22:32,077 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:22:32,077 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:22:32,078 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:22:30" (3/4) ... [2019-11-28 00:22:32,083 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 00:22:32,120 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 00:22:32,122 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 00:22:32,125 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 00:22:32,126 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 00:22:32,126 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 00:22:32,127 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:22:32,128 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:22:32,165 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == waterLevel && 1 == waterLevel) && pumpRunning == 0 [2019-11-28 00:22:32,166 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == waterLevel && 1 == waterLevel) && tmp == waterLevel) && pumpRunning == 0 [2019-11-28 00:22:32,176 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 00:22:32,236 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:22:32,236 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:22:32,239 INFO L168 Benchmark]: Toolchain (without parser) took 3534.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 957.7 MB in the beginning and 910.6 MB in the end (delta: 47.1 MB). Peak memory consumption was 178.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:32,239 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:22:32,240 INFO L168 Benchmark]: CACSL2BoogieTranslator took 601.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -149.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:32,240 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:32,241 INFO L168 Benchmark]: Boogie Preprocessor took 35.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:22:32,241 INFO L168 Benchmark]: RCFGBuilder took 751.83 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: 50.9 MB). Peak memory consumption was 50.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:32,242 INFO L168 Benchmark]: TraceAbstraction took 1901.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 917.2 MB in the end (delta: 132.8 MB). Peak memory consumption was 132.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:32,243 INFO L168 Benchmark]: Witness Printer took 159.36 ms. Allocated memory is still 1.2 GB. Free memory was 917.2 MB in the beginning and 910.6 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:32,245 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 601.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -149.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 79.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.07 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. * RCFGBuilder took 751.83 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: 50.9 MB). Peak memory consumption was 50.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1901.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 917.2 MB in the end (delta: 132.8 MB). Peak memory consumption was 132.8 MB. Max. memory is 11.5 GB. * Witness Printer took 159.36 ms. Allocated memory is still 1.2 GB. Free memory was 917.2 MB in the beginning and 910.6 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 439]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 439]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 560]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: (\result == waterLevel && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 560]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 560]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 == waterLevel && pumpRunning == 0 - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: ((\result == waterLevel && 1 == waterLevel) && tmp == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 3 error locations. Result: SAFE, OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 242 SDtfs, 346 SDslu, 331 SDs, 0 SdLazy, 91 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 61 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 74 NumberOfFragments, 103 HoareAnnotationTreeSize, 25 FomulaSimplifications, 1485 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 6952 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 14/14 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...