./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/terminator_02-2.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -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/loops/terminator_02-2.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 65ab588eb3fe519c96bb6d6dcdb0a8fd90c1757c ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 18:12:32,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:12:32,308 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:12:32,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:12:32,321 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:12:32,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:12:32,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:12:32,326 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:12:32,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:12:32,329 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:12:32,330 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:12:32,331 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:12:32,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:12:32,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:12:32,334 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:12:32,335 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:12:32,337 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:12:32,338 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:12:32,340 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:12:32,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:12:32,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:12:32,345 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:12:32,346 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:12:32,347 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:12:32,350 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:12:32,351 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:12:32,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:12:32,355 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:12:32,355 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:12:32,359 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:12:32,359 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:12:32,360 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:12:32,361 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:12:32,362 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:12:32,363 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:12:32,363 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:12:32,364 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:12:32,364 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:12:32,364 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:12:32,365 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:12:32,366 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:12:32,367 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:12:32,382 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:12:32,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:12:32,384 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:12:32,384 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:12:32,385 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:12:32,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:12:32,385 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:12:32,386 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:12:32,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:12:32,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:12:32,387 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:12:32,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:12:32,387 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:12:32,387 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:12:32,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:12:32,388 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:12:32,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:12:32,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:12:32,389 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:12:32,389 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:12:32,390 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:12:32,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:12:32,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:12:32,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:12:32,391 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:12:32,391 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:12:32,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:12:32,392 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:12:32,392 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:12:32,392 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 -> 65ab588eb3fe519c96bb6d6dcdb0a8fd90c1757c [2020-07-28 18:12:32,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:12:32,711 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:12:32,714 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:12:32,716 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:12:32,716 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:12:32,717 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/terminator_02-2.c [2020-07-28 18:12:32,774 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f9c0709b/fda6a2a4d7074ea19b4a80df4493c0d5/FLAG8da619316 [2020-07-28 18:12:33,154 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:12:33,154 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/terminator_02-2.c [2020-07-28 18:12:33,159 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f9c0709b/fda6a2a4d7074ea19b4a80df4493c0d5/FLAG8da619316 [2020-07-28 18:12:33,529 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f9c0709b/fda6a2a4d7074ea19b4a80df4493c0d5 [2020-07-28 18:12:33,532 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:12:33,535 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:12:33,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:12:33,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:12:33,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:12:33,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:12:33" (1/1) ... [2020-07-28 18:12:33,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@403835b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:12:33, skipping insertion in model container [2020-07-28 18:12:33,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:12:33" (1/1) ... [2020-07-28 18:12:33,553 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:12:33,571 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:12:33,783 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:12:33,789 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:12:33,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:12:33,833 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:12:33,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:12:33 WrapperNode [2020-07-28 18:12:33,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:12:33,836 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:12:33,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:12:33,837 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:12:33,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:12:33" (1/1) ... [2020-07-28 18:12:33,856 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:12:33" (1/1) ... [2020-07-28 18:12:33,980 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:12:33,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:12:33,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:12:33,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:12:33,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:12:33" (1/1) ... [2020-07-28 18:12:33,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:12:33" (1/1) ... [2020-07-28 18:12:33,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:12:33" (1/1) ... [2020-07-28 18:12:33,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:12:33" (1/1) ... [2020-07-28 18:12:34,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:12:33" (1/1) ... [2020-07-28 18:12:34,008 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:12:33" (1/1) ... [2020-07-28 18:12:34,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:12:33" (1/1) ... [2020-07-28 18:12:34,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:12:34,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:12:34,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:12:34,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:12:34,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:12:33" (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 [2020-07-28 18:12:34,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:12:34,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:12:34,510 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:12:34,511 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-28 18:12:34,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:12:34 BoogieIcfgContainer [2020-07-28 18:12:34,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:12:34,517 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:12:34,517 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:12:34,520 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:12:34,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:12:33" (1/3) ... [2020-07-28 18:12:34,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c0fcd62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:12:34, skipping insertion in model container [2020-07-28 18:12:34,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:12:33" (2/3) ... [2020-07-28 18:12:34,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c0fcd62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:12:34, skipping insertion in model container [2020-07-28 18:12:34,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:12:34" (3/3) ... [2020-07-28 18:12:34,525 INFO L109 eAbstractionObserver]: Analyzing ICFG terminator_02-2.c [2020-07-28 18:12:34,549 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:12:34,559 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 18:12:34,569 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 18:12:34,592 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:12:34,592 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:12:34,592 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:12:34,592 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:12:34,592 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:12:34,593 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:12:34,593 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:12:34,593 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:12:34,609 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2020-07-28 18:12:34,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-07-28 18:12:34,615 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:12:34,616 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:12:34,617 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:12:34,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:12:34,622 INFO L82 PathProgramCache]: Analyzing trace with hash 1514197582, now seen corresponding path program 1 times [2020-07-28 18:12:34,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:12:34,634 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565483244] [2020-07-28 18:12:34,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:12:34,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:12:34,759 INFO L280 TraceCheckUtils]: 0: Hoare triple {18#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~post3, main_#t~post4, main_#t~post5, main_~tmp~0, main_~x~0, main_~z~0;assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647;main_~z~0 := main_#t~nondet1;havoc main_#t~nondet1; {18#true} is VALID [2020-07-28 18:12:34,760 INFO L280 TraceCheckUtils]: 1: Hoare triple {18#true} assume !!(main_~x~0 > -100); {18#true} is VALID [2020-07-28 18:12:34,761 INFO L280 TraceCheckUtils]: 2: Hoare triple {18#true} assume !!(main_~x~0 < 200); {18#true} is VALID [2020-07-28 18:12:34,761 INFO L280 TraceCheckUtils]: 3: Hoare triple {18#true} assume !!(main_~z~0 > 100); {18#true} is VALID [2020-07-28 18:12:34,762 INFO L280 TraceCheckUtils]: 4: Hoare triple {18#true} assume !!(main_~z~0 < 200); {18#true} is VALID [2020-07-28 18:12:34,767 INFO L280 TraceCheckUtils]: 5: Hoare triple {18#true} assume !true; {19#false} is VALID [2020-07-28 18:12:34,767 INFO L280 TraceCheckUtils]: 6: Hoare triple {19#false} __VERIFIER_assert_#in~cond := (if main_~x~0 >= 100 || main_~z~0 <= 100 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; {19#false} is VALID [2020-07-28 18:12:34,768 INFO L280 TraceCheckUtils]: 7: Hoare triple {19#false} assume 0 == __VERIFIER_assert_~cond; {19#false} is VALID [2020-07-28 18:12:34,768 INFO L280 TraceCheckUtils]: 8: Hoare triple {19#false} assume !false; {19#false} is VALID [2020-07-28 18:12:34,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:12:34,771 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565483244] [2020-07-28 18:12:34,772 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:12:34,772 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:12:34,773 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544832540] [2020-07-28 18:12:34,780 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-07-28 18:12:34,782 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:12:34,786 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 18:12:34,828 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 9 edges. 9 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:12:34,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 18:12:34,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:12:34,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 18:12:34,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:12:34,843 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 2 states. [2020-07-28 18:12:34,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:12:34,891 INFO L93 Difference]: Finished difference Result 23 states and 30 transitions. [2020-07-28 18:12:34,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 18:12:34,892 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-07-28 18:12:34,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:12:34,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:12:34,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 30 transitions. [2020-07-28 18:12:34,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:12:34,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 30 transitions. [2020-07-28 18:12:34,902 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 30 transitions. [2020-07-28 18:12:34,952 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:12:34,962 INFO L225 Difference]: With dead ends: 23 [2020-07-28 18:12:34,962 INFO L226 Difference]: Without dead ends: 11 [2020-07-28 18:12:34,965 INFO L675 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 [2020-07-28 18:12:34,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-07-28 18:12:34,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2020-07-28 18:12:34,992 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:12:34,992 INFO L82 GeneralOperation]: Start isEquivalent. First operand 11 states. Second operand 11 states. [2020-07-28 18:12:34,993 INFO L74 IsIncluded]: Start isIncluded. First operand 11 states. Second operand 11 states. [2020-07-28 18:12:34,993 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 11 states. [2020-07-28 18:12:34,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:12:34,996 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2020-07-28 18:12:34,996 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2020-07-28 18:12:34,996 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:12:34,996 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:12:34,997 INFO L74 IsIncluded]: Start isIncluded. First operand 11 states. Second operand 11 states. [2020-07-28 18:12:34,997 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 11 states. [2020-07-28 18:12:34,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:12:34,999 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2020-07-28 18:12:34,999 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2020-07-28 18:12:34,999 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:12:34,999 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:12:35,000 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:12:35,000 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:12:35,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-28 18:12:35,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2020-07-28 18:12:35,003 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 9 [2020-07-28 18:12:35,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:12:35,004 INFO L479 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2020-07-28 18:12:35,004 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 18:12:35,004 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2020-07-28 18:12:35,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-07-28 18:12:35,005 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:12:35,005 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:12:35,005 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:12:35,005 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:12:35,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:12:35,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1513899672, now seen corresponding path program 1 times [2020-07-28 18:12:35,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:12:35,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291859749] [2020-07-28 18:12:35,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:12:35,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:12:35,118 INFO L280 TraceCheckUtils]: 0: Hoare triple {84#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~post3, main_#t~post4, main_#t~post5, main_~tmp~0, main_~x~0, main_~z~0;assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647;main_~z~0 := main_#t~nondet1;havoc main_#t~nondet1; {84#true} is VALID [2020-07-28 18:12:35,119 INFO L280 TraceCheckUtils]: 1: Hoare triple {84#true} assume !!(main_~x~0 > -100); {84#true} is VALID [2020-07-28 18:12:35,119 INFO L280 TraceCheckUtils]: 2: Hoare triple {84#true} assume !!(main_~x~0 < 200); {84#true} is VALID [2020-07-28 18:12:35,121 INFO L280 TraceCheckUtils]: 3: Hoare triple {84#true} assume !!(main_~z~0 > 100); {86#(< 100 ULTIMATE.start_main_~z~0)} is VALID [2020-07-28 18:12:35,122 INFO L280 TraceCheckUtils]: 4: Hoare triple {86#(< 100 ULTIMATE.start_main_~z~0)} assume !!(main_~z~0 < 200); {86#(< 100 ULTIMATE.start_main_~z~0)} is VALID [2020-07-28 18:12:35,123 INFO L280 TraceCheckUtils]: 5: Hoare triple {86#(< 100 ULTIMATE.start_main_~z~0)} assume !(main_~x~0 < 100 && main_~z~0 > 100); {87#(< 99 ULTIMATE.start_main_~x~0)} is VALID [2020-07-28 18:12:35,126 INFO L280 TraceCheckUtils]: 6: Hoare triple {87#(< 99 ULTIMATE.start_main_~x~0)} __VERIFIER_assert_#in~cond := (if main_~x~0 >= 100 || main_~z~0 <= 100 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; {88#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))} is VALID [2020-07-28 18:12:35,127 INFO L280 TraceCheckUtils]: 7: Hoare triple {88#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))} assume 0 == __VERIFIER_assert_~cond; {85#false} is VALID [2020-07-28 18:12:35,127 INFO L280 TraceCheckUtils]: 8: Hoare triple {85#false} assume !false; {85#false} is VALID [2020-07-28 18:12:35,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:12:35,129 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291859749] [2020-07-28 18:12:35,129 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:12:35,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 18:12:35,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009998013] [2020-07-28 18:12:35,132 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-07-28 18:12:35,133 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:12:35,133 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:12:35,149 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 9 edges. 9 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:12:35,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:12:35,150 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:12:35,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:12:35,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:12:35,151 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand 5 states. [2020-07-28 18:12:35,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:12:35,279 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2020-07-28 18:12:35,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 18:12:35,279 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-07-28 18:12:35,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:12:35,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:12:35,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2020-07-28 18:12:35,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:12:35,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2020-07-28 18:12:35,284 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 17 transitions. [2020-07-28 18:12:35,312 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:12:35,314 INFO L225 Difference]: With dead ends: 16 [2020-07-28 18:12:35,314 INFO L226 Difference]: Without dead ends: 12 [2020-07-28 18:12:35,316 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 18:12:35,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2020-07-28 18:12:35,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2020-07-28 18:12:35,325 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:12:35,325 INFO L82 GeneralOperation]: Start isEquivalent. First operand 12 states. Second operand 12 states. [2020-07-28 18:12:35,326 INFO L74 IsIncluded]: Start isIncluded. First operand 12 states. Second operand 12 states. [2020-07-28 18:12:35,326 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 12 states. [2020-07-28 18:12:35,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:12:35,328 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2020-07-28 18:12:35,328 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2020-07-28 18:12:35,329 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:12:35,329 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:12:35,329 INFO L74 IsIncluded]: Start isIncluded. First operand 12 states. Second operand 12 states. [2020-07-28 18:12:35,329 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 12 states. [2020-07-28 18:12:35,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:12:35,331 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2020-07-28 18:12:35,332 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2020-07-28 18:12:35,332 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:12:35,332 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:12:35,333 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:12:35,333 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:12:35,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-07-28 18:12:35,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2020-07-28 18:12:35,335 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 9 [2020-07-28 18:12:35,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:12:35,335 INFO L479 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2020-07-28 18:12:35,336 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:12:35,336 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2020-07-28 18:12:35,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-28 18:12:35,337 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:12:35,337 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:12:35,337 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 18:12:35,338 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:12:35,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:12:35,338 INFO L82 PathProgramCache]: Analyzing trace with hash -1084138147, now seen corresponding path program 1 times [2020-07-28 18:12:35,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:12:35,339 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2250958] [2020-07-28 18:12:35,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:12:35,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:12:35,408 INFO L280 TraceCheckUtils]: 0: Hoare triple {151#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~post3, main_#t~post4, main_#t~post5, main_~tmp~0, main_~x~0, main_~z~0;assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647;main_~z~0 := main_#t~nondet1;havoc main_#t~nondet1; {151#true} is VALID [2020-07-28 18:12:35,409 INFO L280 TraceCheckUtils]: 1: Hoare triple {151#true} assume !!(main_~x~0 > -100); {151#true} is VALID [2020-07-28 18:12:35,409 INFO L280 TraceCheckUtils]: 2: Hoare triple {151#true} assume !!(main_~x~0 < 200); {151#true} is VALID [2020-07-28 18:12:35,409 INFO L280 TraceCheckUtils]: 3: Hoare triple {151#true} assume !!(main_~z~0 > 100); {151#true} is VALID [2020-07-28 18:12:35,410 INFO L280 TraceCheckUtils]: 4: Hoare triple {151#true} assume !!(main_~z~0 < 200); {151#true} is VALID [2020-07-28 18:12:35,410 INFO L280 TraceCheckUtils]: 5: Hoare triple {151#true} assume !!(main_~x~0 < 100 && main_~z~0 > 100);main_~tmp~0 := main_#t~nondet2;havoc main_#t~nondet2; {151#true} is VALID [2020-07-28 18:12:35,411 INFO L280 TraceCheckUtils]: 6: Hoare triple {151#true} assume !(0 != main_~tmp~0 % 256);main_#t~post4 := main_~x~0;main_~x~0 := main_#t~post4 - 1;havoc main_#t~post4;main_#t~post5 := main_~z~0;main_~z~0 := main_#t~post5 - 1;havoc main_#t~post5; {151#true} is VALID [2020-07-28 18:12:35,412 INFO L280 TraceCheckUtils]: 7: Hoare triple {151#true} assume !(main_~x~0 < 100 && main_~z~0 > 100); {153#(or (<= ULTIMATE.start_main_~z~0 100) (< 99 ULTIMATE.start_main_~x~0))} is VALID [2020-07-28 18:12:35,414 INFO L280 TraceCheckUtils]: 8: Hoare triple {153#(or (<= ULTIMATE.start_main_~z~0 100) (< 99 ULTIMATE.start_main_~x~0))} __VERIFIER_assert_#in~cond := (if main_~x~0 >= 100 || main_~z~0 <= 100 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; {154#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))} is VALID [2020-07-28 18:12:35,415 INFO L280 TraceCheckUtils]: 9: Hoare triple {154#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))} assume 0 == __VERIFIER_assert_~cond; {152#false} is VALID [2020-07-28 18:12:35,416 INFO L280 TraceCheckUtils]: 10: Hoare triple {152#false} assume !false; {152#false} is VALID [2020-07-28 18:12:35,417 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-28 18:12:35,417 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2250958] [2020-07-28 18:12:35,418 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:12:35,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:12:35,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068091456] [2020-07-28 18:12:35,419 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-07-28 18:12:35,419 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:12:35,419 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 18:12:35,437 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:12:35,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 18:12:35,437 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:12:35,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 18:12:35,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 18:12:35,438 INFO L87 Difference]: Start difference. First operand 12 states and 13 transitions. Second operand 4 states. [2020-07-28 18:12:35,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:12:35,498 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2020-07-28 18:12:35,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 18:12:35,499 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-07-28 18:12:35,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:12:35,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 18:12:35,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2020-07-28 18:12:35,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 18:12:35,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2020-07-28 18:12:35,502 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 12 transitions. [2020-07-28 18:12:35,520 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:12:35,521 INFO L225 Difference]: With dead ends: 12 [2020-07-28 18:12:35,521 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 18:12:35,522 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:12:35,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 18:12:35,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 18:12:35,522 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:12:35,522 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 18:12:35,523 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:12:35,523 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:12:35,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:12:35,524 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:12:35,524 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:12:35,524 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:12:35,524 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:12:35,524 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:12:35,525 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:12:35,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:12:35,525 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:12:35,525 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:12:35,526 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:12:35,526 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:12:35,526 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:12:35,527 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:12:35,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 18:12:35,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 18:12:35,528 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2020-07-28 18:12:35,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:12:35,528 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 18:12:35,528 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 18:12:35,529 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:12:35,529 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:12:35,529 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 18:12:35,532 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 18:12:35,551 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 18:12:35,552 INFO L268 CegarLoopResult]: For program point L27(lines 27 32) no Hoare annotation was computed. [2020-07-28 18:12:35,552 INFO L271 CegarLoopResult]: At program point L27-2(lines 24 33) the Hoare annotation is: true [2020-07-28 18:12:35,552 INFO L268 CegarLoopResult]: For program point L23(line 23) no Hoare annotation was computed. [2020-07-28 18:12:35,552 INFO L268 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed. [2020-07-28 18:12:35,553 INFO L268 CegarLoopResult]: For program point L9(line 9) no Hoare annotation was computed. [2020-07-28 18:12:35,553 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 18:12:35,553 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 18:12:35,553 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 9) no Hoare annotation was computed. [2020-07-28 18:12:35,553 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-28 18:12:35,553 INFO L268 CegarLoopResult]: For program point L24-2(lines 24 33) no Hoare annotation was computed. [2020-07-28 18:12:35,554 INFO L268 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed. [2020-07-28 18:12:35,554 INFO L268 CegarLoopResult]: For program point L8(lines 8 10) no Hoare annotation was computed. [2020-07-28 18:12:35,554 INFO L271 CegarLoopResult]: At program point L8-2(lines 7 12) the Hoare annotation is: true [2020-07-28 18:12:35,555 INFO L271 CegarLoopResult]: At program point L37(lines 16 38) the Hoare annotation is: true [2020-07-28 18:12:35,560 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 18:12:35,560 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2020-07-28 18:12:35,560 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2020-07-28 18:12:35,561 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:12:35,561 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-28 18:12:35,561 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-28 18:12:35,561 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:12:35,561 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-28 18:12:35,562 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-28 18:12:35,562 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-28 18:12:35,562 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-28 18:12:35,562 WARN L170 areAnnotationChecker]: L24-2 has no Hoare annotation [2020-07-28 18:12:35,563 WARN L170 areAnnotationChecker]: L24-2 has no Hoare annotation [2020-07-28 18:12:35,563 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-28 18:12:35,563 WARN L170 areAnnotationChecker]: L24-2 has no Hoare annotation [2020-07-28 18:12:35,563 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-28 18:12:35,563 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-28 18:12:35,564 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-28 18:12:35,564 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-28 18:12:35,564 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2020-07-28 18:12:35,564 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2020-07-28 18:12:35,565 INFO L163 areAnnotationChecker]: CFG has 1 edges. 1 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 18:12:35,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 06:12:35 BoogieIcfgContainer [2020-07-28 18:12:35,573 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 18:12:35,573 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 18:12:35,573 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 18:12:35,574 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 18:12:35,575 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:12:34" (3/4) ... [2020-07-28 18:12:35,578 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 18:12:35,592 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-07-28 18:12:35,592 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 18:12:35,648 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 18:12:35,648 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 18:12:35,651 INFO L168 Benchmark]: Toolchain (without parser) took 2117.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 957.5 MB in the beginning and 1.0 GB in the end (delta: -62.0 MB). Peak memory consumption was 91.1 MB. Max. memory is 11.5 GB. [2020-07-28 18:12:35,652 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:12:35,653 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.56 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 946.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-28 18:12:35,654 INFO L168 Benchmark]: Boogie Procedure Inliner took 144.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -202.3 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2020-07-28 18:12:35,654 INFO L168 Benchmark]: Boogie Preprocessor took 26.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2020-07-28 18:12:35,655 INFO L168 Benchmark]: RCFGBuilder took 503.98 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2020-07-28 18:12:35,656 INFO L168 Benchmark]: TraceAbstraction took 1056.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 95.9 MB). Peak memory consumption was 95.9 MB. Max. memory is 11.5 GB. [2020-07-28 18:12:35,656 INFO L168 Benchmark]: Witness Printer took 75.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2020-07-28 18:12:35,660 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 298.56 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 946.8 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 144.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -202.3 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 503.98 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1056.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 95.9 MB). Peak memory consumption was 95.9 MB. Max. memory is 11.5 GB. * Witness Printer took 75.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 9]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 36 SDtfs, 6 SDslu, 22 SDs, 0 SdLazy, 33 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 6 NumberOfFragments, 3 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 390 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 1/1 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...