./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_5-1.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/recursive-simple/fibo_5-1.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 c7b71b458b3f08f188a62c7539b715f43fd7f97d ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:10:59,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:10:59,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:10:59,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:10:59,058 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:10:59,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:10:59,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:10:59,063 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:10:59,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:10:59,066 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:10:59,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:10:59,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:10:59,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:10:59,070 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:10:59,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:10:59,073 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:10:59,074 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:10:59,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:10:59,077 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:10:59,079 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:10:59,081 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:10:59,082 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:10:59,084 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:10:59,085 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:10:59,087 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:10:59,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:10:59,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:10:59,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:10:59,090 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:10:59,091 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:10:59,092 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:10:59,093 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:10:59,093 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:10:59,094 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:10:59,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:10:59,096 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:10:59,097 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:10:59,097 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:10:59,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:10:59,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:10:59,099 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:10:59,100 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:10:59,120 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:10:59,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:10:59,122 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:10:59,122 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:10:59,122 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:10:59,123 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:10:59,123 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:10:59,123 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:10:59,123 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:10:59,124 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:10:59,124 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:10:59,124 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:10:59,125 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:10:59,125 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:10:59,125 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:10:59,126 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:10:59,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:10:59,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:10:59,126 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:10:59,127 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:10:59,127 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:10:59,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:10:59,128 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:10:59,128 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:10:59,128 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:10:59,128 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:10:59,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:10:59,129 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:10:59,129 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:10:59,130 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 -> c7b71b458b3f08f188a62c7539b715f43fd7f97d [2020-07-28 19:10:59,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:10:59,547 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:10:59,551 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:10:59,552 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:10:59,553 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:10:59,554 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_5-1.c [2020-07-28 19:10:59,622 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bf698afe/b15e626a826844f7811f82709f3623e6/FLAG030fc6929 [2020-07-28 19:11:00,057 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:11:00,058 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_5-1.c [2020-07-28 19:11:00,065 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bf698afe/b15e626a826844f7811f82709f3623e6/FLAG030fc6929 [2020-07-28 19:11:00,424 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bf698afe/b15e626a826844f7811f82709f3623e6 [2020-07-28 19:11:00,427 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:11:00,429 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:11:00,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:11:00,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:11:00,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:11:00,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:11:00" (1/1) ... [2020-07-28 19:11:00,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42ca22ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:11:00, skipping insertion in model container [2020-07-28 19:11:00,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:11:00" (1/1) ... [2020-07-28 19:11:00,449 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:11:00,469 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:11:00,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:11:00,662 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:11:00,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:11:00,696 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:11:00,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:11:00 WrapperNode [2020-07-28 19:11:00,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:11:00,698 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:11:00,698 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:11:00,698 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:11:00,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:11:00" (1/1) ... [2020-07-28 19:11:00,713 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:11:00" (1/1) ... [2020-07-28 19:11:00,729 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:11:00,730 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:11:00,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:11:00,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:11:00,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:11:00" (1/1) ... [2020-07-28 19:11:00,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:11:00" (1/1) ... [2020-07-28 19:11:00,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:11:00" (1/1) ... [2020-07-28 19:11:00,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:11:00" (1/1) ... [2020-07-28 19:11:00,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:11:00" (1/1) ... [2020-07-28 19:11:00,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:11:00" (1/1) ... [2020-07-28 19:11:00,804 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:11:00" (1/1) ... [2020-07-28 19:11:00,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:11:00,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:11:00,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:11:00,806 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:11:00,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:11:00" (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 19:11:00,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:11:00,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:11:00,873 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2020-07-28 19:11:00,873 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2020-07-28 19:11:01,104 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:11:01,105 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-28 19:11:01,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:11:01 BoogieIcfgContainer [2020-07-28 19:11:01,110 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:11:01,111 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:11:01,112 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:11:01,115 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:11:01,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:11:00" (1/3) ... [2020-07-28 19:11:01,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ca9209d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:11:01, skipping insertion in model container [2020-07-28 19:11:01,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:11:00" (2/3) ... [2020-07-28 19:11:01,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ca9209d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:11:01, skipping insertion in model container [2020-07-28 19:11:01,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:11:01" (3/3) ... [2020-07-28 19:11:01,124 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_5-1.c [2020-07-28 19:11:01,144 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:11:01,170 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 19:11:01,208 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 19:11:01,235 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:11:01,235 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:11:01,235 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:11:01,236 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:11:01,236 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:11:01,236 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:11:01,236 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:11:01,237 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:11:01,257 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-07-28 19:11:01,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-07-28 19:11:01,264 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:11:01,265 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:11:01,265 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:11:01,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:11:01,271 INFO L82 PathProgramCache]: Analyzing trace with hash -1007516703, now seen corresponding path program 1 times [2020-07-28 19:11:01,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:11:01,281 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188991820] [2020-07-28 19:11:01,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:11:01,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:01,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-07-28 19:11:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:01,517 INFO L280 TraceCheckUtils]: 0: Hoare triple {22#true} ~n := #in~n; {29#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:01,518 INFO L280 TraceCheckUtils]: 1: Hoare triple {29#(= fibo_~n |fibo_#in~n|)} assume ~n < 1;#res := 0; {30#(<= |fibo_#in~n| 0)} is VALID [2020-07-28 19:11:01,519 INFO L280 TraceCheckUtils]: 2: Hoare triple {30#(<= |fibo_#in~n| 0)} assume true; {30#(<= |fibo_#in~n| 0)} is VALID [2020-07-28 19:11:01,521 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {30#(<= |fibo_#in~n| 0)} {24#(<= 5 ULTIMATE.start_main_~x~0)} #32#return; {23#false} is VALID [2020-07-28 19:11:01,525 INFO L280 TraceCheckUtils]: 0: Hoare triple {22#true} havoc main_#res;havoc main_#t~ret2, main_~x~0, main_~result~0;main_~x~0 := 5; {24#(<= 5 ULTIMATE.start_main_~x~0)} is VALID [2020-07-28 19:11:01,525 INFO L263 TraceCheckUtils]: 1: Hoare triple {24#(<= 5 ULTIMATE.start_main_~x~0)} call main_#t~ret2 := fibo(main_~x~0); {22#true} is VALID [2020-07-28 19:11:01,526 INFO L280 TraceCheckUtils]: 2: Hoare triple {22#true} ~n := #in~n; {29#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:01,527 INFO L280 TraceCheckUtils]: 3: Hoare triple {29#(= fibo_~n |fibo_#in~n|)} assume ~n < 1;#res := 0; {30#(<= |fibo_#in~n| 0)} is VALID [2020-07-28 19:11:01,528 INFO L280 TraceCheckUtils]: 4: Hoare triple {30#(<= |fibo_#in~n| 0)} assume true; {30#(<= |fibo_#in~n| 0)} is VALID [2020-07-28 19:11:01,530 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {30#(<= |fibo_#in~n| 0)} {24#(<= 5 ULTIMATE.start_main_~x~0)} #32#return; {23#false} is VALID [2020-07-28 19:11:01,530 INFO L280 TraceCheckUtils]: 6: Hoare triple {23#false} assume -2147483648 <= main_#t~ret2 && main_#t~ret2 <= 2147483647;main_~result~0 := main_#t~ret2;havoc main_#t~ret2; {23#false} is VALID [2020-07-28 19:11:01,531 INFO L280 TraceCheckUtils]: 7: Hoare triple {23#false} assume 5 != main_~result~0; {23#false} is VALID [2020-07-28 19:11:01,531 INFO L280 TraceCheckUtils]: 8: Hoare triple {23#false} assume !false; {23#false} is VALID [2020-07-28 19:11:01,532 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 19:11:01,533 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188991820] [2020-07-28 19:11:01,534 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:11:01,534 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:11:01,535 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770533869] [2020-07-28 19:11:01,540 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-07-28 19:11:01,543 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:11:01,547 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:11:01,580 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 19:11:01,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:11:01,581 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:11:01,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:11:01,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:11:01,591 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 5 states. [2020-07-28 19:11:01,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:11:01,828 INFO L93 Difference]: Finished difference Result 29 states and 35 transitions. [2020-07-28 19:11:01,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 19:11:01,829 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-07-28 19:11:01,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:11:01,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:11:01,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2020-07-28 19:11:01,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:11:01,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2020-07-28 19:11:01,846 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 35 transitions. [2020-07-28 19:11:01,908 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:11:01,921 INFO L225 Difference]: With dead ends: 29 [2020-07-28 19:11:01,921 INFO L226 Difference]: Without dead ends: 17 [2020-07-28 19:11:01,926 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-28 19:11:01,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-07-28 19:11:01,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-07-28 19:11:01,973 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:11:01,973 INFO L82 GeneralOperation]: Start isEquivalent. First operand 17 states. Second operand 17 states. [2020-07-28 19:11:01,974 INFO L74 IsIncluded]: Start isIncluded. First operand 17 states. Second operand 17 states. [2020-07-28 19:11:01,974 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 17 states. [2020-07-28 19:11:01,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:11:01,981 INFO L93 Difference]: Finished difference Result 17 states and 21 transitions. [2020-07-28 19:11:01,981 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2020-07-28 19:11:01,982 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:11:01,982 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:11:01,983 INFO L74 IsIncluded]: Start isIncluded. First operand 17 states. Second operand 17 states. [2020-07-28 19:11:01,983 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 17 states. [2020-07-28 19:11:01,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:11:01,988 INFO L93 Difference]: Finished difference Result 17 states and 21 transitions. [2020-07-28 19:11:01,988 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2020-07-28 19:11:01,989 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:11:01,989 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:11:01,989 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:11:01,990 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:11:01,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-07-28 19:11:01,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2020-07-28 19:11:01,995 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 21 transitions. Word has length 9 [2020-07-28 19:11:01,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:11:01,996 INFO L479 AbstractCegarLoop]: Abstraction has 17 states and 21 transitions. [2020-07-28 19:11:01,996 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:11:01,996 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2020-07-28 19:11:01,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-28 19:11:01,997 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:11:01,998 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:11:01,998 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:11:01,998 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:11:01,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:11:01,999 INFO L82 PathProgramCache]: Analyzing trace with hash -453503986, now seen corresponding path program 1 times [2020-07-28 19:11:01,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:11:02,000 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391913436] [2020-07-28 19:11:02,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:11:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:02,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-07-28 19:11:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:02,106 INFO L280 TraceCheckUtils]: 0: Hoare triple {125#true} ~n := #in~n; {133#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:02,108 INFO L280 TraceCheckUtils]: 1: Hoare triple {133#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {133#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:02,109 INFO L280 TraceCheckUtils]: 2: Hoare triple {133#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {134#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:02,112 INFO L280 TraceCheckUtils]: 3: Hoare triple {134#(<= |fibo_#in~n| 1)} assume true; {134#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:02,116 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {134#(<= |fibo_#in~n| 1)} {127#(<= 5 ULTIMATE.start_main_~x~0)} #32#return; {126#false} is VALID [2020-07-28 19:11:02,117 INFO L280 TraceCheckUtils]: 0: Hoare triple {125#true} havoc main_#res;havoc main_#t~ret2, main_~x~0, main_~result~0;main_~x~0 := 5; {127#(<= 5 ULTIMATE.start_main_~x~0)} is VALID [2020-07-28 19:11:02,118 INFO L263 TraceCheckUtils]: 1: Hoare triple {127#(<= 5 ULTIMATE.start_main_~x~0)} call main_#t~ret2 := fibo(main_~x~0); {125#true} is VALID [2020-07-28 19:11:02,118 INFO L280 TraceCheckUtils]: 2: Hoare triple {125#true} ~n := #in~n; {133#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:02,119 INFO L280 TraceCheckUtils]: 3: Hoare triple {133#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {133#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:02,121 INFO L280 TraceCheckUtils]: 4: Hoare triple {133#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {134#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:02,122 INFO L280 TraceCheckUtils]: 5: Hoare triple {134#(<= |fibo_#in~n| 1)} assume true; {134#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:02,124 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {134#(<= |fibo_#in~n| 1)} {127#(<= 5 ULTIMATE.start_main_~x~0)} #32#return; {126#false} is VALID [2020-07-28 19:11:02,125 INFO L280 TraceCheckUtils]: 7: Hoare triple {126#false} assume -2147483648 <= main_#t~ret2 && main_#t~ret2 <= 2147483647;main_~result~0 := main_#t~ret2;havoc main_#t~ret2; {126#false} is VALID [2020-07-28 19:11:02,125 INFO L280 TraceCheckUtils]: 8: Hoare triple {126#false} assume 5 != main_~result~0; {126#false} is VALID [2020-07-28 19:11:02,126 INFO L280 TraceCheckUtils]: 9: Hoare triple {126#false} assume !false; {126#false} is VALID [2020-07-28 19:11:02,126 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 19:11:02,127 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391913436] [2020-07-28 19:11:02,128 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:11:02,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:11:02,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719035976] [2020-07-28 19:11:02,130 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-07-28 19:11:02,131 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:11:02,131 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:11:02,148 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:11:02,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:11:02,149 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:11:02,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:11:02,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:11:02,150 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. Second operand 5 states. [2020-07-28 19:11:02,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:11:02,301 INFO L93 Difference]: Finished difference Result 23 states and 28 transitions. [2020-07-28 19:11:02,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 19:11:02,302 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-07-28 19:11:02,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:11:02,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:11:02,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2020-07-28 19:11:02,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:11:02,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2020-07-28 19:11:02,309 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 25 transitions. [2020-07-28 19:11:02,349 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:11:02,351 INFO L225 Difference]: With dead ends: 23 [2020-07-28 19:11:02,351 INFO L226 Difference]: Without dead ends: 19 [2020-07-28 19:11:02,352 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-28 19:11:02,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-07-28 19:11:02,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 17. [2020-07-28 19:11:02,361 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:11:02,361 INFO L82 GeneralOperation]: Start isEquivalent. First operand 19 states. Second operand 17 states. [2020-07-28 19:11:02,362 INFO L74 IsIncluded]: Start isIncluded. First operand 19 states. Second operand 17 states. [2020-07-28 19:11:02,362 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 17 states. [2020-07-28 19:11:02,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:11:02,366 INFO L93 Difference]: Finished difference Result 19 states and 24 transitions. [2020-07-28 19:11:02,366 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2020-07-28 19:11:02,367 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:11:02,367 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:11:02,368 INFO L74 IsIncluded]: Start isIncluded. First operand 17 states. Second operand 19 states. [2020-07-28 19:11:02,368 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 19 states. [2020-07-28 19:11:02,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:11:02,372 INFO L93 Difference]: Finished difference Result 19 states and 24 transitions. [2020-07-28 19:11:02,372 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2020-07-28 19:11:02,373 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:11:02,373 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:11:02,373 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:11:02,373 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:11:02,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-07-28 19:11:02,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2020-07-28 19:11:02,376 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 21 transitions. Word has length 10 [2020-07-28 19:11:02,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:11:02,377 INFO L479 AbstractCegarLoop]: Abstraction has 17 states and 21 transitions. [2020-07-28 19:11:02,377 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:11:02,377 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2020-07-28 19:11:02,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 19:11:02,378 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:11:02,379 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:11:02,379 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:11:02,379 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:11:02,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:11:02,380 INFO L82 PathProgramCache]: Analyzing trace with hash 511906889, now seen corresponding path program 1 times [2020-07-28 19:11:02,380 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:11:02,380 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562091608] [2020-07-28 19:11:02,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:11:02,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:02,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-07-28 19:11:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:02,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-07-28 19:11:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:02,542 INFO L280 TraceCheckUtils]: 0: Hoare triple {225#true} ~n := #in~n; {255#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:02,544 INFO L280 TraceCheckUtils]: 1: Hoare triple {255#(= fibo_~n |fibo_#in~n|)} assume ~n < 1;#res := 0; {256#(<= |fibo_#in~n| 0)} is VALID [2020-07-28 19:11:02,545 INFO L280 TraceCheckUtils]: 2: Hoare triple {256#(<= |fibo_#in~n| 0)} assume true; {256#(<= |fibo_#in~n| 0)} is VALID [2020-07-28 19:11:02,546 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {256#(<= |fibo_#in~n| 0)} {246#(< 1 fibo_~n)} #34#return; {226#false} is VALID [2020-07-28 19:11:02,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-07-28 19:11:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:02,554 INFO L280 TraceCheckUtils]: 0: Hoare triple {225#true} ~n := #in~n; {225#true} is VALID [2020-07-28 19:11:02,555 INFO L280 TraceCheckUtils]: 1: Hoare triple {225#true} assume ~n < 1;#res := 0; {225#true} is VALID [2020-07-28 19:11:02,556 INFO L280 TraceCheckUtils]: 2: Hoare triple {225#true} assume true; {225#true} is VALID [2020-07-28 19:11:02,556 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {225#true} {226#false} #36#return; {226#false} is VALID [2020-07-28 19:11:02,557 INFO L280 TraceCheckUtils]: 0: Hoare triple {225#true} ~n := #in~n; {225#true} is VALID [2020-07-28 19:11:02,558 INFO L280 TraceCheckUtils]: 1: Hoare triple {225#true} assume !(~n < 1); {245#(< 0 fibo_~n)} is VALID [2020-07-28 19:11:02,559 INFO L280 TraceCheckUtils]: 2: Hoare triple {245#(< 0 fibo_~n)} assume !(1 == ~n); {246#(< 1 fibo_~n)} is VALID [2020-07-28 19:11:02,560 INFO L263 TraceCheckUtils]: 3: Hoare triple {246#(< 1 fibo_~n)} call #t~ret0 := fibo(~n - 1); {225#true} is VALID [2020-07-28 19:11:02,561 INFO L280 TraceCheckUtils]: 4: Hoare triple {225#true} ~n := #in~n; {255#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:02,562 INFO L280 TraceCheckUtils]: 5: Hoare triple {255#(= fibo_~n |fibo_#in~n|)} assume ~n < 1;#res := 0; {256#(<= |fibo_#in~n| 0)} is VALID [2020-07-28 19:11:02,563 INFO L280 TraceCheckUtils]: 6: Hoare triple {256#(<= |fibo_#in~n| 0)} assume true; {256#(<= |fibo_#in~n| 0)} is VALID [2020-07-28 19:11:02,565 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {256#(<= |fibo_#in~n| 0)} {246#(< 1 fibo_~n)} #34#return; {226#false} is VALID [2020-07-28 19:11:02,565 INFO L280 TraceCheckUtils]: 8: Hoare triple {226#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {226#false} is VALID [2020-07-28 19:11:02,566 INFO L263 TraceCheckUtils]: 9: Hoare triple {226#false} call #t~ret1 := fibo(~n - 2); {225#true} is VALID [2020-07-28 19:11:02,566 INFO L280 TraceCheckUtils]: 10: Hoare triple {225#true} ~n := #in~n; {225#true} is VALID [2020-07-28 19:11:02,567 INFO L280 TraceCheckUtils]: 11: Hoare triple {225#true} assume ~n < 1;#res := 0; {225#true} is VALID [2020-07-28 19:11:02,567 INFO L280 TraceCheckUtils]: 12: Hoare triple {225#true} assume true; {225#true} is VALID [2020-07-28 19:11:02,568 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {225#true} {226#false} #36#return; {226#false} is VALID [2020-07-28 19:11:02,568 INFO L280 TraceCheckUtils]: 14: Hoare triple {226#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {226#false} is VALID [2020-07-28 19:11:02,569 INFO L280 TraceCheckUtils]: 15: Hoare triple {226#false} assume true; {226#false} is VALID [2020-07-28 19:11:02,569 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {226#false} {227#(<= 5 ULTIMATE.start_main_~x~0)} #32#return; {226#false} is VALID [2020-07-28 19:11:02,571 INFO L280 TraceCheckUtils]: 0: Hoare triple {225#true} havoc main_#res;havoc main_#t~ret2, main_~x~0, main_~result~0;main_~x~0 := 5; {227#(<= 5 ULTIMATE.start_main_~x~0)} is VALID [2020-07-28 19:11:02,572 INFO L263 TraceCheckUtils]: 1: Hoare triple {227#(<= 5 ULTIMATE.start_main_~x~0)} call main_#t~ret2 := fibo(main_~x~0); {225#true} is VALID [2020-07-28 19:11:02,572 INFO L280 TraceCheckUtils]: 2: Hoare triple {225#true} ~n := #in~n; {225#true} is VALID [2020-07-28 19:11:02,573 INFO L280 TraceCheckUtils]: 3: Hoare triple {225#true} assume !(~n < 1); {245#(< 0 fibo_~n)} is VALID [2020-07-28 19:11:02,574 INFO L280 TraceCheckUtils]: 4: Hoare triple {245#(< 0 fibo_~n)} assume !(1 == ~n); {246#(< 1 fibo_~n)} is VALID [2020-07-28 19:11:02,575 INFO L263 TraceCheckUtils]: 5: Hoare triple {246#(< 1 fibo_~n)} call #t~ret0 := fibo(~n - 1); {225#true} is VALID [2020-07-28 19:11:02,576 INFO L280 TraceCheckUtils]: 6: Hoare triple {225#true} ~n := #in~n; {255#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:02,577 INFO L280 TraceCheckUtils]: 7: Hoare triple {255#(= fibo_~n |fibo_#in~n|)} assume ~n < 1;#res := 0; {256#(<= |fibo_#in~n| 0)} is VALID [2020-07-28 19:11:02,578 INFO L280 TraceCheckUtils]: 8: Hoare triple {256#(<= |fibo_#in~n| 0)} assume true; {256#(<= |fibo_#in~n| 0)} is VALID [2020-07-28 19:11:02,580 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {256#(<= |fibo_#in~n| 0)} {246#(< 1 fibo_~n)} #34#return; {226#false} is VALID [2020-07-28 19:11:02,580 INFO L280 TraceCheckUtils]: 10: Hoare triple {226#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {226#false} is VALID [2020-07-28 19:11:02,581 INFO L263 TraceCheckUtils]: 11: Hoare triple {226#false} call #t~ret1 := fibo(~n - 2); {225#true} is VALID [2020-07-28 19:11:02,581 INFO L280 TraceCheckUtils]: 12: Hoare triple {225#true} ~n := #in~n; {225#true} is VALID [2020-07-28 19:11:02,581 INFO L280 TraceCheckUtils]: 13: Hoare triple {225#true} assume ~n < 1;#res := 0; {225#true} is VALID [2020-07-28 19:11:02,582 INFO L280 TraceCheckUtils]: 14: Hoare triple {225#true} assume true; {225#true} is VALID [2020-07-28 19:11:02,582 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {225#true} {226#false} #36#return; {226#false} is VALID [2020-07-28 19:11:02,583 INFO L280 TraceCheckUtils]: 16: Hoare triple {226#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {226#false} is VALID [2020-07-28 19:11:02,583 INFO L280 TraceCheckUtils]: 17: Hoare triple {226#false} assume true; {226#false} is VALID [2020-07-28 19:11:02,583 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {226#false} {227#(<= 5 ULTIMATE.start_main_~x~0)} #32#return; {226#false} is VALID [2020-07-28 19:11:02,584 INFO L280 TraceCheckUtils]: 19: Hoare triple {226#false} assume -2147483648 <= main_#t~ret2 && main_#t~ret2 <= 2147483647;main_~result~0 := main_#t~ret2;havoc main_#t~ret2; {226#false} is VALID [2020-07-28 19:11:02,584 INFO L280 TraceCheckUtils]: 20: Hoare triple {226#false} assume 5 != main_~result~0; {226#false} is VALID [2020-07-28 19:11:02,584 INFO L280 TraceCheckUtils]: 21: Hoare triple {226#false} assume !false; {226#false} is VALID [2020-07-28 19:11:02,587 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-28 19:11:02,588 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562091608] [2020-07-28 19:11:02,588 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1136627574] [2020-07-28 19:11:02,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 19:11:02,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:02,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-28 19:11:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:02,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 19:11:02,943 INFO L280 TraceCheckUtils]: 0: Hoare triple {225#true} havoc main_#res;havoc main_#t~ret2, main_~x~0, main_~result~0;main_~x~0 := 5; {227#(<= 5 ULTIMATE.start_main_~x~0)} is VALID [2020-07-28 19:11:02,943 INFO L263 TraceCheckUtils]: 1: Hoare triple {227#(<= 5 ULTIMATE.start_main_~x~0)} call main_#t~ret2 := fibo(main_~x~0); {225#true} is VALID [2020-07-28 19:11:02,944 INFO L280 TraceCheckUtils]: 2: Hoare triple {225#true} ~n := #in~n; {266#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-28 19:11:02,945 INFO L280 TraceCheckUtils]: 3: Hoare triple {266#(<= |fibo_#in~n| fibo_~n)} assume !(~n < 1); {266#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-28 19:11:02,946 INFO L280 TraceCheckUtils]: 4: Hoare triple {266#(<= |fibo_#in~n| fibo_~n)} assume !(1 == ~n); {266#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-28 19:11:02,946 INFO L263 TraceCheckUtils]: 5: Hoare triple {266#(<= |fibo_#in~n| fibo_~n)} call #t~ret0 := fibo(~n - 1); {225#true} is VALID [2020-07-28 19:11:02,947 INFO L280 TraceCheckUtils]: 6: Hoare triple {225#true} ~n := #in~n; {266#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-28 19:11:02,949 INFO L280 TraceCheckUtils]: 7: Hoare triple {266#(<= |fibo_#in~n| fibo_~n)} assume ~n < 1;#res := 0; {256#(<= |fibo_#in~n| 0)} is VALID [2020-07-28 19:11:02,950 INFO L280 TraceCheckUtils]: 8: Hoare triple {256#(<= |fibo_#in~n| 0)} assume true; {256#(<= |fibo_#in~n| 0)} is VALID [2020-07-28 19:11:02,952 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {256#(<= |fibo_#in~n| 0)} {266#(<= |fibo_#in~n| fibo_~n)} #34#return; {288#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:02,953 INFO L280 TraceCheckUtils]: 10: Hoare triple {288#(<= |fibo_#in~n| 1)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {288#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:02,954 INFO L263 TraceCheckUtils]: 11: Hoare triple {288#(<= |fibo_#in~n| 1)} call #t~ret1 := fibo(~n - 2); {225#true} is VALID [2020-07-28 19:11:02,954 INFO L280 TraceCheckUtils]: 12: Hoare triple {225#true} ~n := #in~n; {225#true} is VALID [2020-07-28 19:11:02,957 INFO L280 TraceCheckUtils]: 13: Hoare triple {225#true} assume ~n < 1;#res := 0; {225#true} is VALID [2020-07-28 19:11:02,958 INFO L280 TraceCheckUtils]: 14: Hoare triple {225#true} assume true; {225#true} is VALID [2020-07-28 19:11:02,960 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {225#true} {288#(<= |fibo_#in~n| 1)} #36#return; {288#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:02,961 INFO L280 TraceCheckUtils]: 16: Hoare triple {288#(<= |fibo_#in~n| 1)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {288#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:02,962 INFO L280 TraceCheckUtils]: 17: Hoare triple {288#(<= |fibo_#in~n| 1)} assume true; {288#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:02,963 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {288#(<= |fibo_#in~n| 1)} {227#(<= 5 ULTIMATE.start_main_~x~0)} #32#return; {226#false} is VALID [2020-07-28 19:11:02,964 INFO L280 TraceCheckUtils]: 19: Hoare triple {226#false} assume -2147483648 <= main_#t~ret2 && main_#t~ret2 <= 2147483647;main_~result~0 := main_#t~ret2;havoc main_#t~ret2; {226#false} is VALID [2020-07-28 19:11:02,964 INFO L280 TraceCheckUtils]: 20: Hoare triple {226#false} assume 5 != main_~result~0; {226#false} is VALID [2020-07-28 19:11:02,965 INFO L280 TraceCheckUtils]: 21: Hoare triple {226#false} assume !false; {226#false} is VALID [2020-07-28 19:11:02,970 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-28 19:11:02,971 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-28 19:11:02,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 9 [2020-07-28 19:11:02,972 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38897786] [2020-07-28 19:11:02,973 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2020-07-28 19:11:02,974 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:11:02,974 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-28 19:11:03,018 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:11:03,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-28 19:11:03,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:11:03,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-28 19:11:03,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-07-28 19:11:03,021 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. Second operand 9 states. [2020-07-28 19:11:03,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:11:03,417 INFO L93 Difference]: Finished difference Result 34 states and 45 transitions. [2020-07-28 19:11:03,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 19:11:03,417 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2020-07-28 19:11:03,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:11:03,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-28 19:11:03,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 42 transitions. [2020-07-28 19:11:03,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-28 19:11:03,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 42 transitions. [2020-07-28 19:11:03,426 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 42 transitions. [2020-07-28 19:11:03,493 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:11:03,494 INFO L225 Difference]: With dead ends: 34 [2020-07-28 19:11:03,495 INFO L226 Difference]: Without dead ends: 19 [2020-07-28 19:11:03,496 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-07-28 19:11:03,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-07-28 19:11:03,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-07-28 19:11:03,505 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:11:03,505 INFO L82 GeneralOperation]: Start isEquivalent. First operand 19 states. Second operand 19 states. [2020-07-28 19:11:03,505 INFO L74 IsIncluded]: Start isIncluded. First operand 19 states. Second operand 19 states. [2020-07-28 19:11:03,505 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 19 states. [2020-07-28 19:11:03,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:11:03,508 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2020-07-28 19:11:03,509 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2020-07-28 19:11:03,509 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:11:03,510 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:11:03,510 INFO L74 IsIncluded]: Start isIncluded. First operand 19 states. Second operand 19 states. [2020-07-28 19:11:03,510 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 19 states. [2020-07-28 19:11:03,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:11:03,513 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2020-07-28 19:11:03,513 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2020-07-28 19:11:03,514 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:11:03,515 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:11:03,515 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:11:03,515 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:11:03,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-07-28 19:11:03,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2020-07-28 19:11:03,518 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 23 transitions. Word has length 22 [2020-07-28 19:11:03,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:11:03,519 INFO L479 AbstractCegarLoop]: Abstraction has 19 states and 23 transitions. [2020-07-28 19:11:03,519 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-28 19:11:03,519 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2020-07-28 19:11:03,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-28 19:11:03,521 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:11:03,521 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:11:03,734 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-28 19:11:03,735 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:11:03,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:11:03,736 INFO L82 PathProgramCache]: Analyzing trace with hash 178931364, now seen corresponding path program 1 times [2020-07-28 19:11:03,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:11:03,738 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002226087] [2020-07-28 19:11:03,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:11:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:03,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-07-28 19:11:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:03,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-07-28 19:11:03,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:03,848 INFO L280 TraceCheckUtils]: 0: Hoare triple {436#true} ~n := #in~n; {457#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:03,849 INFO L280 TraceCheckUtils]: 1: Hoare triple {457#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {457#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:03,850 INFO L280 TraceCheckUtils]: 2: Hoare triple {457#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {468#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:03,851 INFO L280 TraceCheckUtils]: 3: Hoare triple {468#(<= |fibo_#in~n| 1)} assume true; {468#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:03,853 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {468#(<= |fibo_#in~n| 1)} {457#(= fibo_~n |fibo_#in~n|)} #34#return; {463#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:03,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-07-28 19:11:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:03,862 INFO L280 TraceCheckUtils]: 0: Hoare triple {436#true} ~n := #in~n; {436#true} is VALID [2020-07-28 19:11:03,862 INFO L280 TraceCheckUtils]: 1: Hoare triple {436#true} assume ~n < 1;#res := 0; {436#true} is VALID [2020-07-28 19:11:03,863 INFO L280 TraceCheckUtils]: 2: Hoare triple {436#true} assume true; {436#true} is VALID [2020-07-28 19:11:03,864 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {436#true} {463#(<= |fibo_#in~n| 2)} #36#return; {463#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:03,865 INFO L280 TraceCheckUtils]: 0: Hoare triple {436#true} ~n := #in~n; {457#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:03,867 INFO L280 TraceCheckUtils]: 1: Hoare triple {457#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {457#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:03,869 INFO L280 TraceCheckUtils]: 2: Hoare triple {457#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {457#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:03,870 INFO L263 TraceCheckUtils]: 3: Hoare triple {457#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {436#true} is VALID [2020-07-28 19:11:03,871 INFO L280 TraceCheckUtils]: 4: Hoare triple {436#true} ~n := #in~n; {457#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:03,873 INFO L280 TraceCheckUtils]: 5: Hoare triple {457#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {457#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:03,875 INFO L280 TraceCheckUtils]: 6: Hoare triple {457#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {468#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:03,877 INFO L280 TraceCheckUtils]: 7: Hoare triple {468#(<= |fibo_#in~n| 1)} assume true; {468#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:03,879 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {468#(<= |fibo_#in~n| 1)} {457#(= fibo_~n |fibo_#in~n|)} #34#return; {463#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:03,880 INFO L280 TraceCheckUtils]: 9: Hoare triple {463#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {463#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:03,881 INFO L263 TraceCheckUtils]: 10: Hoare triple {463#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {436#true} is VALID [2020-07-28 19:11:03,881 INFO L280 TraceCheckUtils]: 11: Hoare triple {436#true} ~n := #in~n; {436#true} is VALID [2020-07-28 19:11:03,881 INFO L280 TraceCheckUtils]: 12: Hoare triple {436#true} assume ~n < 1;#res := 0; {436#true} is VALID [2020-07-28 19:11:03,882 INFO L280 TraceCheckUtils]: 13: Hoare triple {436#true} assume true; {436#true} is VALID [2020-07-28 19:11:03,883 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {436#true} {463#(<= |fibo_#in~n| 2)} #36#return; {463#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:03,884 INFO L280 TraceCheckUtils]: 15: Hoare triple {463#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {463#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:03,885 INFO L280 TraceCheckUtils]: 16: Hoare triple {463#(<= |fibo_#in~n| 2)} assume true; {463#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:03,887 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {463#(<= |fibo_#in~n| 2)} {438#(<= 5 ULTIMATE.start_main_~x~0)} #32#return; {437#false} is VALID [2020-07-28 19:11:03,889 INFO L280 TraceCheckUtils]: 0: Hoare triple {436#true} havoc main_#res;havoc main_#t~ret2, main_~x~0, main_~result~0;main_~x~0 := 5; {438#(<= 5 ULTIMATE.start_main_~x~0)} is VALID [2020-07-28 19:11:03,890 INFO L263 TraceCheckUtils]: 1: Hoare triple {438#(<= 5 ULTIMATE.start_main_~x~0)} call main_#t~ret2 := fibo(main_~x~0); {436#true} is VALID [2020-07-28 19:11:03,890 INFO L280 TraceCheckUtils]: 2: Hoare triple {436#true} ~n := #in~n; {457#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:03,891 INFO L280 TraceCheckUtils]: 3: Hoare triple {457#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {457#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:03,892 INFO L280 TraceCheckUtils]: 4: Hoare triple {457#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {457#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:03,893 INFO L263 TraceCheckUtils]: 5: Hoare triple {457#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {436#true} is VALID [2020-07-28 19:11:03,893 INFO L280 TraceCheckUtils]: 6: Hoare triple {436#true} ~n := #in~n; {457#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:03,894 INFO L280 TraceCheckUtils]: 7: Hoare triple {457#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {457#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:03,895 INFO L280 TraceCheckUtils]: 8: Hoare triple {457#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {468#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:03,896 INFO L280 TraceCheckUtils]: 9: Hoare triple {468#(<= |fibo_#in~n| 1)} assume true; {468#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:03,898 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {468#(<= |fibo_#in~n| 1)} {457#(= fibo_~n |fibo_#in~n|)} #34#return; {463#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:03,900 INFO L280 TraceCheckUtils]: 11: Hoare triple {463#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {463#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:03,900 INFO L263 TraceCheckUtils]: 12: Hoare triple {463#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {436#true} is VALID [2020-07-28 19:11:03,900 INFO L280 TraceCheckUtils]: 13: Hoare triple {436#true} ~n := #in~n; {436#true} is VALID [2020-07-28 19:11:03,901 INFO L280 TraceCheckUtils]: 14: Hoare triple {436#true} assume ~n < 1;#res := 0; {436#true} is VALID [2020-07-28 19:11:03,901 INFO L280 TraceCheckUtils]: 15: Hoare triple {436#true} assume true; {436#true} is VALID [2020-07-28 19:11:03,902 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {436#true} {463#(<= |fibo_#in~n| 2)} #36#return; {463#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:03,904 INFO L280 TraceCheckUtils]: 17: Hoare triple {463#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {463#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:03,904 INFO L280 TraceCheckUtils]: 18: Hoare triple {463#(<= |fibo_#in~n| 2)} assume true; {463#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:03,906 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {463#(<= |fibo_#in~n| 2)} {438#(<= 5 ULTIMATE.start_main_~x~0)} #32#return; {437#false} is VALID [2020-07-28 19:11:03,906 INFO L280 TraceCheckUtils]: 20: Hoare triple {437#false} assume -2147483648 <= main_#t~ret2 && main_#t~ret2 <= 2147483647;main_~result~0 := main_#t~ret2;havoc main_#t~ret2; {437#false} is VALID [2020-07-28 19:11:03,907 INFO L280 TraceCheckUtils]: 21: Hoare triple {437#false} assume 5 != main_~result~0; {437#false} is VALID [2020-07-28 19:11:03,907 INFO L280 TraceCheckUtils]: 22: Hoare triple {437#false} assume !false; {437#false} is VALID [2020-07-28 19:11:03,909 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-28 19:11:03,909 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002226087] [2020-07-28 19:11:03,910 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829738972] [2020-07-28 19:11:03,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 19:11:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:03,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-28 19:11:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:03,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 19:11:04,158 INFO L280 TraceCheckUtils]: 0: Hoare triple {436#true} havoc main_#res;havoc main_#t~ret2, main_~x~0, main_~result~0;main_~x~0 := 5; {438#(<= 5 ULTIMATE.start_main_~x~0)} is VALID [2020-07-28 19:11:04,158 INFO L263 TraceCheckUtils]: 1: Hoare triple {438#(<= 5 ULTIMATE.start_main_~x~0)} call main_#t~ret2 := fibo(main_~x~0); {436#true} is VALID [2020-07-28 19:11:04,159 INFO L280 TraceCheckUtils]: 2: Hoare triple {436#true} ~n := #in~n; {478#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-28 19:11:04,160 INFO L280 TraceCheckUtils]: 3: Hoare triple {478#(<= |fibo_#in~n| fibo_~n)} assume !(~n < 1); {478#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-28 19:11:04,161 INFO L280 TraceCheckUtils]: 4: Hoare triple {478#(<= |fibo_#in~n| fibo_~n)} assume !(1 == ~n); {478#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-28 19:11:04,161 INFO L263 TraceCheckUtils]: 5: Hoare triple {478#(<= |fibo_#in~n| fibo_~n)} call #t~ret0 := fibo(~n - 1); {436#true} is VALID [2020-07-28 19:11:04,162 INFO L280 TraceCheckUtils]: 6: Hoare triple {436#true} ~n := #in~n; {478#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-28 19:11:04,163 INFO L280 TraceCheckUtils]: 7: Hoare triple {478#(<= |fibo_#in~n| fibo_~n)} assume !(~n < 1); {478#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-28 19:11:04,163 INFO L280 TraceCheckUtils]: 8: Hoare triple {478#(<= |fibo_#in~n| fibo_~n)} assume 1 == ~n;#res := 1; {468#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:04,164 INFO L280 TraceCheckUtils]: 9: Hoare triple {468#(<= |fibo_#in~n| 1)} assume true; {468#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:04,166 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {468#(<= |fibo_#in~n| 1)} {478#(<= |fibo_#in~n| fibo_~n)} #34#return; {463#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:04,166 INFO L280 TraceCheckUtils]: 11: Hoare triple {463#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {463#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:04,167 INFO L263 TraceCheckUtils]: 12: Hoare triple {463#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {436#true} is VALID [2020-07-28 19:11:04,167 INFO L280 TraceCheckUtils]: 13: Hoare triple {436#true} ~n := #in~n; {436#true} is VALID [2020-07-28 19:11:04,167 INFO L280 TraceCheckUtils]: 14: Hoare triple {436#true} assume ~n < 1;#res := 0; {436#true} is VALID [2020-07-28 19:11:04,167 INFO L280 TraceCheckUtils]: 15: Hoare triple {436#true} assume true; {436#true} is VALID [2020-07-28 19:11:04,169 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {436#true} {463#(<= |fibo_#in~n| 2)} #36#return; {463#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:04,170 INFO L280 TraceCheckUtils]: 17: Hoare triple {463#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {463#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:04,170 INFO L280 TraceCheckUtils]: 18: Hoare triple {463#(<= |fibo_#in~n| 2)} assume true; {463#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:04,172 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {463#(<= |fibo_#in~n| 2)} {438#(<= 5 ULTIMATE.start_main_~x~0)} #32#return; {437#false} is VALID [2020-07-28 19:11:04,172 INFO L280 TraceCheckUtils]: 20: Hoare triple {437#false} assume -2147483648 <= main_#t~ret2 && main_#t~ret2 <= 2147483647;main_~result~0 := main_#t~ret2;havoc main_#t~ret2; {437#false} is VALID [2020-07-28 19:11:04,172 INFO L280 TraceCheckUtils]: 21: Hoare triple {437#false} assume 5 != main_~result~0; {437#false} is VALID [2020-07-28 19:11:04,172 INFO L280 TraceCheckUtils]: 22: Hoare triple {437#false} assume !false; {437#false} is VALID [2020-07-28 19:11:04,173 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-28 19:11:04,174 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-28 19:11:04,174 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2020-07-28 19:11:04,174 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165283465] [2020-07-28 19:11:04,175 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-07-28 19:11:04,176 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:11:04,176 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-28 19:11:04,206 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:11:04,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-28 19:11:04,206 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:11:04,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-28 19:11:04,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-28 19:11:04,207 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. Second operand 7 states. [2020-07-28 19:11:04,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:11:04,500 INFO L93 Difference]: Finished difference Result 37 states and 51 transitions. [2020-07-28 19:11:04,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 19:11:04,500 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-07-28 19:11:04,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:11:04,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-28 19:11:04,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 43 transitions. [2020-07-28 19:11:04,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-28 19:11:04,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 43 transitions. [2020-07-28 19:11:04,509 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 43 transitions. [2020-07-28 19:11:04,569 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:11:04,572 INFO L225 Difference]: With dead ends: 37 [2020-07-28 19:11:04,573 INFO L226 Difference]: Without dead ends: 33 [2020-07-28 19:11:04,573 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-07-28 19:11:04,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-07-28 19:11:04,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-07-28 19:11:04,593 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:11:04,594 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2020-07-28 19:11:04,594 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 19:11:04,594 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 19:11:04,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:11:04,598 INFO L93 Difference]: Finished difference Result 33 states and 47 transitions. [2020-07-28 19:11:04,599 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 47 transitions. [2020-07-28 19:11:04,600 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:11:04,600 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:11:04,600 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 19:11:04,600 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 19:11:04,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:11:04,604 INFO L93 Difference]: Finished difference Result 33 states and 47 transitions. [2020-07-28 19:11:04,605 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 47 transitions. [2020-07-28 19:11:04,606 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:11:04,606 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:11:04,606 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:11:04,606 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:11:04,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-28 19:11:04,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 47 transitions. [2020-07-28 19:11:04,610 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 47 transitions. Word has length 23 [2020-07-28 19:11:04,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:11:04,610 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 47 transitions. [2020-07-28 19:11:04,610 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-28 19:11:04,610 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 47 transitions. [2020-07-28 19:11:04,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-07-28 19:11:04,612 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:11:04,612 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:11:04,825 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 19:11:04,826 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:11:04,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:11:04,827 INFO L82 PathProgramCache]: Analyzing trace with hash 645818342, now seen corresponding path program 2 times [2020-07-28 19:11:04,827 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:11:04,828 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373131752] [2020-07-28 19:11:04,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:11:04,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:04,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-07-28 19:11:04,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:04,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-07-28 19:11:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:05,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-07-28 19:11:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:05,075 INFO L280 TraceCheckUtils]: 0: Hoare triple {696#true} ~n := #in~n; {696#true} is VALID [2020-07-28 19:11:05,075 INFO L280 TraceCheckUtils]: 1: Hoare triple {696#true} assume !(~n < 1); {696#true} is VALID [2020-07-28 19:11:05,075 INFO L280 TraceCheckUtils]: 2: Hoare triple {696#true} assume 1 == ~n;#res := 1; {696#true} is VALID [2020-07-28 19:11:05,076 INFO L280 TraceCheckUtils]: 3: Hoare triple {696#true} assume true; {696#true} is VALID [2020-07-28 19:11:05,078 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {696#true} {755#(<= 2 |fibo_#in~n|)} #34#return; {755#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:05,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-07-28 19:11:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:05,092 INFO L280 TraceCheckUtils]: 0: Hoare triple {696#true} ~n := #in~n; {696#true} is VALID [2020-07-28 19:11:05,092 INFO L280 TraceCheckUtils]: 1: Hoare triple {696#true} assume ~n < 1;#res := 0; {696#true} is VALID [2020-07-28 19:11:05,093 INFO L280 TraceCheckUtils]: 2: Hoare triple {696#true} assume true; {696#true} is VALID [2020-07-28 19:11:05,094 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {696#true} {755#(<= 2 |fibo_#in~n|)} #36#return; {755#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:05,096 INFO L280 TraceCheckUtils]: 0: Hoare triple {696#true} ~n := #in~n; {753#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:05,099 INFO L280 TraceCheckUtils]: 1: Hoare triple {753#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {754#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-28 19:11:05,101 INFO L280 TraceCheckUtils]: 2: Hoare triple {754#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {755#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:05,101 INFO L263 TraceCheckUtils]: 3: Hoare triple {755#(<= 2 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {696#true} is VALID [2020-07-28 19:11:05,101 INFO L280 TraceCheckUtils]: 4: Hoare triple {696#true} ~n := #in~n; {696#true} is VALID [2020-07-28 19:11:05,101 INFO L280 TraceCheckUtils]: 5: Hoare triple {696#true} assume !(~n < 1); {696#true} is VALID [2020-07-28 19:11:05,102 INFO L280 TraceCheckUtils]: 6: Hoare triple {696#true} assume 1 == ~n;#res := 1; {696#true} is VALID [2020-07-28 19:11:05,102 INFO L280 TraceCheckUtils]: 7: Hoare triple {696#true} assume true; {696#true} is VALID [2020-07-28 19:11:05,104 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {696#true} {755#(<= 2 |fibo_#in~n|)} #34#return; {755#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:05,106 INFO L280 TraceCheckUtils]: 9: Hoare triple {755#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {755#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:05,106 INFO L263 TraceCheckUtils]: 10: Hoare triple {755#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {696#true} is VALID [2020-07-28 19:11:05,106 INFO L280 TraceCheckUtils]: 11: Hoare triple {696#true} ~n := #in~n; {696#true} is VALID [2020-07-28 19:11:05,106 INFO L280 TraceCheckUtils]: 12: Hoare triple {696#true} assume ~n < 1;#res := 0; {696#true} is VALID [2020-07-28 19:11:05,107 INFO L280 TraceCheckUtils]: 13: Hoare triple {696#true} assume true; {696#true} is VALID [2020-07-28 19:11:05,111 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {696#true} {755#(<= 2 |fibo_#in~n|)} #36#return; {755#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:05,112 INFO L280 TraceCheckUtils]: 15: Hoare triple {755#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {755#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:05,113 INFO L280 TraceCheckUtils]: 16: Hoare triple {755#(<= 2 |fibo_#in~n|)} assume true; {755#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:05,115 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {755#(<= 2 |fibo_#in~n|)} {696#true} #34#return; {748#(<= 3 fibo_~n)} is VALID [2020-07-28 19:11:05,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-07-28 19:11:05,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:05,152 INFO L280 TraceCheckUtils]: 0: Hoare triple {696#true} ~n := #in~n; {753#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:05,153 INFO L280 TraceCheckUtils]: 1: Hoare triple {753#(= fibo_~n |fibo_#in~n|)} assume ~n < 1;#res := 0; {765#(<= |fibo_#in~n| 0)} is VALID [2020-07-28 19:11:05,154 INFO L280 TraceCheckUtils]: 2: Hoare triple {765#(<= |fibo_#in~n| 0)} assume true; {765#(<= |fibo_#in~n| 0)} is VALID [2020-07-28 19:11:05,155 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {765#(<= |fibo_#in~n| 0)} {748#(<= 3 fibo_~n)} #36#return; {697#false} is VALID [2020-07-28 19:11:05,155 INFO L280 TraceCheckUtils]: 0: Hoare triple {696#true} ~n := #in~n; {696#true} is VALID [2020-07-28 19:11:05,156 INFO L280 TraceCheckUtils]: 1: Hoare triple {696#true} assume !(~n < 1); {696#true} is VALID [2020-07-28 19:11:05,156 INFO L280 TraceCheckUtils]: 2: Hoare triple {696#true} assume !(1 == ~n); {696#true} is VALID [2020-07-28 19:11:05,156 INFO L263 TraceCheckUtils]: 3: Hoare triple {696#true} call #t~ret0 := fibo(~n - 1); {696#true} is VALID [2020-07-28 19:11:05,157 INFO L280 TraceCheckUtils]: 4: Hoare triple {696#true} ~n := #in~n; {753#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:05,158 INFO L280 TraceCheckUtils]: 5: Hoare triple {753#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {754#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-28 19:11:05,159 INFO L280 TraceCheckUtils]: 6: Hoare triple {754#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {755#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:05,159 INFO L263 TraceCheckUtils]: 7: Hoare triple {755#(<= 2 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {696#true} is VALID [2020-07-28 19:11:05,159 INFO L280 TraceCheckUtils]: 8: Hoare triple {696#true} ~n := #in~n; {696#true} is VALID [2020-07-28 19:11:05,160 INFO L280 TraceCheckUtils]: 9: Hoare triple {696#true} assume !(~n < 1); {696#true} is VALID [2020-07-28 19:11:05,160 INFO L280 TraceCheckUtils]: 10: Hoare triple {696#true} assume 1 == ~n;#res := 1; {696#true} is VALID [2020-07-28 19:11:05,160 INFO L280 TraceCheckUtils]: 11: Hoare triple {696#true} assume true; {696#true} is VALID [2020-07-28 19:11:05,162 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {696#true} {755#(<= 2 |fibo_#in~n|)} #34#return; {755#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:05,162 INFO L280 TraceCheckUtils]: 13: Hoare triple {755#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {755#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:05,163 INFO L263 TraceCheckUtils]: 14: Hoare triple {755#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {696#true} is VALID [2020-07-28 19:11:05,163 INFO L280 TraceCheckUtils]: 15: Hoare triple {696#true} ~n := #in~n; {696#true} is VALID [2020-07-28 19:11:05,163 INFO L280 TraceCheckUtils]: 16: Hoare triple {696#true} assume ~n < 1;#res := 0; {696#true} is VALID [2020-07-28 19:11:05,163 INFO L280 TraceCheckUtils]: 17: Hoare triple {696#true} assume true; {696#true} is VALID [2020-07-28 19:11:05,165 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {696#true} {755#(<= 2 |fibo_#in~n|)} #36#return; {755#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:05,165 INFO L280 TraceCheckUtils]: 19: Hoare triple {755#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {755#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:05,166 INFO L280 TraceCheckUtils]: 20: Hoare triple {755#(<= 2 |fibo_#in~n|)} assume true; {755#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:05,167 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {755#(<= 2 |fibo_#in~n|)} {696#true} #34#return; {748#(<= 3 fibo_~n)} is VALID [2020-07-28 19:11:05,168 INFO L280 TraceCheckUtils]: 22: Hoare triple {748#(<= 3 fibo_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {748#(<= 3 fibo_~n)} is VALID [2020-07-28 19:11:05,168 INFO L263 TraceCheckUtils]: 23: Hoare triple {748#(<= 3 fibo_~n)} call #t~ret1 := fibo(~n - 2); {696#true} is VALID [2020-07-28 19:11:05,169 INFO L280 TraceCheckUtils]: 24: Hoare triple {696#true} ~n := #in~n; {753#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:05,170 INFO L280 TraceCheckUtils]: 25: Hoare triple {753#(= fibo_~n |fibo_#in~n|)} assume ~n < 1;#res := 0; {765#(<= |fibo_#in~n| 0)} is VALID [2020-07-28 19:11:05,171 INFO L280 TraceCheckUtils]: 26: Hoare triple {765#(<= |fibo_#in~n| 0)} assume true; {765#(<= |fibo_#in~n| 0)} is VALID [2020-07-28 19:11:05,173 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {765#(<= |fibo_#in~n| 0)} {748#(<= 3 fibo_~n)} #36#return; {697#false} is VALID [2020-07-28 19:11:05,174 INFO L280 TraceCheckUtils]: 28: Hoare triple {697#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {697#false} is VALID [2020-07-28 19:11:05,174 INFO L280 TraceCheckUtils]: 29: Hoare triple {697#false} assume true; {697#false} is VALID [2020-07-28 19:11:05,174 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {697#false} {698#(<= 5 ULTIMATE.start_main_~x~0)} #32#return; {697#false} is VALID [2020-07-28 19:11:05,177 INFO L280 TraceCheckUtils]: 0: Hoare triple {696#true} havoc main_#res;havoc main_#t~ret2, main_~x~0, main_~result~0;main_~x~0 := 5; {698#(<= 5 ULTIMATE.start_main_~x~0)} is VALID [2020-07-28 19:11:05,177 INFO L263 TraceCheckUtils]: 1: Hoare triple {698#(<= 5 ULTIMATE.start_main_~x~0)} call main_#t~ret2 := fibo(main_~x~0); {696#true} is VALID [2020-07-28 19:11:05,177 INFO L280 TraceCheckUtils]: 2: Hoare triple {696#true} ~n := #in~n; {696#true} is VALID [2020-07-28 19:11:05,178 INFO L280 TraceCheckUtils]: 3: Hoare triple {696#true} assume !(~n < 1); {696#true} is VALID [2020-07-28 19:11:05,178 INFO L280 TraceCheckUtils]: 4: Hoare triple {696#true} assume !(1 == ~n); {696#true} is VALID [2020-07-28 19:11:05,178 INFO L263 TraceCheckUtils]: 5: Hoare triple {696#true} call #t~ret0 := fibo(~n - 1); {696#true} is VALID [2020-07-28 19:11:05,179 INFO L280 TraceCheckUtils]: 6: Hoare triple {696#true} ~n := #in~n; {753#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:05,180 INFO L280 TraceCheckUtils]: 7: Hoare triple {753#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {754#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-28 19:11:05,180 INFO L280 TraceCheckUtils]: 8: Hoare triple {754#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {755#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:05,181 INFO L263 TraceCheckUtils]: 9: Hoare triple {755#(<= 2 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {696#true} is VALID [2020-07-28 19:11:05,181 INFO L280 TraceCheckUtils]: 10: Hoare triple {696#true} ~n := #in~n; {696#true} is VALID [2020-07-28 19:11:05,181 INFO L280 TraceCheckUtils]: 11: Hoare triple {696#true} assume !(~n < 1); {696#true} is VALID [2020-07-28 19:11:05,181 INFO L280 TraceCheckUtils]: 12: Hoare triple {696#true} assume 1 == ~n;#res := 1; {696#true} is VALID [2020-07-28 19:11:05,182 INFO L280 TraceCheckUtils]: 13: Hoare triple {696#true} assume true; {696#true} is VALID [2020-07-28 19:11:05,183 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {696#true} {755#(<= 2 |fibo_#in~n|)} #34#return; {755#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:05,184 INFO L280 TraceCheckUtils]: 15: Hoare triple {755#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {755#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:05,184 INFO L263 TraceCheckUtils]: 16: Hoare triple {755#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {696#true} is VALID [2020-07-28 19:11:05,185 INFO L280 TraceCheckUtils]: 17: Hoare triple {696#true} ~n := #in~n; {696#true} is VALID [2020-07-28 19:11:05,185 INFO L280 TraceCheckUtils]: 18: Hoare triple {696#true} assume ~n < 1;#res := 0; {696#true} is VALID [2020-07-28 19:11:05,185 INFO L280 TraceCheckUtils]: 19: Hoare triple {696#true} assume true; {696#true} is VALID [2020-07-28 19:11:05,187 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {696#true} {755#(<= 2 |fibo_#in~n|)} #36#return; {755#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:05,190 INFO L280 TraceCheckUtils]: 21: Hoare triple {755#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {755#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:05,191 INFO L280 TraceCheckUtils]: 22: Hoare triple {755#(<= 2 |fibo_#in~n|)} assume true; {755#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:05,195 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {755#(<= 2 |fibo_#in~n|)} {696#true} #34#return; {748#(<= 3 fibo_~n)} is VALID [2020-07-28 19:11:05,197 INFO L280 TraceCheckUtils]: 24: Hoare triple {748#(<= 3 fibo_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {748#(<= 3 fibo_~n)} is VALID [2020-07-28 19:11:05,198 INFO L263 TraceCheckUtils]: 25: Hoare triple {748#(<= 3 fibo_~n)} call #t~ret1 := fibo(~n - 2); {696#true} is VALID [2020-07-28 19:11:05,198 INFO L280 TraceCheckUtils]: 26: Hoare triple {696#true} ~n := #in~n; {753#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:05,199 INFO L280 TraceCheckUtils]: 27: Hoare triple {753#(= fibo_~n |fibo_#in~n|)} assume ~n < 1;#res := 0; {765#(<= |fibo_#in~n| 0)} is VALID [2020-07-28 19:11:05,200 INFO L280 TraceCheckUtils]: 28: Hoare triple {765#(<= |fibo_#in~n| 0)} assume true; {765#(<= |fibo_#in~n| 0)} is VALID [2020-07-28 19:11:05,201 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {765#(<= |fibo_#in~n| 0)} {748#(<= 3 fibo_~n)} #36#return; {697#false} is VALID [2020-07-28 19:11:05,201 INFO L280 TraceCheckUtils]: 30: Hoare triple {697#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {697#false} is VALID [2020-07-28 19:11:05,202 INFO L280 TraceCheckUtils]: 31: Hoare triple {697#false} assume true; {697#false} is VALID [2020-07-28 19:11:05,202 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {697#false} {698#(<= 5 ULTIMATE.start_main_~x~0)} #32#return; {697#false} is VALID [2020-07-28 19:11:05,202 INFO L280 TraceCheckUtils]: 33: Hoare triple {697#false} assume -2147483648 <= main_#t~ret2 && main_#t~ret2 <= 2147483647;main_~result~0 := main_#t~ret2;havoc main_#t~ret2; {697#false} is VALID [2020-07-28 19:11:05,202 INFO L280 TraceCheckUtils]: 34: Hoare triple {697#false} assume 5 != main_~result~0; {697#false} is VALID [2020-07-28 19:11:05,202 INFO L280 TraceCheckUtils]: 35: Hoare triple {697#false} assume !false; {697#false} is VALID [2020-07-28 19:11:05,204 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-28 19:11:05,205 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373131752] [2020-07-28 19:11:05,205 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843933175] [2020-07-28 19:11:05,205 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 19:11:05,244 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-07-28 19:11:05,244 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-28 19:11:05,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-28 19:11:05,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:05,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 19:11:05,577 INFO L280 TraceCheckUtils]: 0: Hoare triple {696#true} havoc main_#res;havoc main_#t~ret2, main_~x~0, main_~result~0;main_~x~0 := 5; {698#(<= 5 ULTIMATE.start_main_~x~0)} is VALID [2020-07-28 19:11:05,577 INFO L263 TraceCheckUtils]: 1: Hoare triple {698#(<= 5 ULTIMATE.start_main_~x~0)} call main_#t~ret2 := fibo(main_~x~0); {696#true} is VALID [2020-07-28 19:11:05,578 INFO L280 TraceCheckUtils]: 2: Hoare triple {696#true} ~n := #in~n; {775#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-28 19:11:05,578 INFO L280 TraceCheckUtils]: 3: Hoare triple {775#(<= |fibo_#in~n| fibo_~n)} assume !(~n < 1); {775#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-28 19:11:05,579 INFO L280 TraceCheckUtils]: 4: Hoare triple {775#(<= |fibo_#in~n| fibo_~n)} assume !(1 == ~n); {775#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-28 19:11:05,579 INFO L263 TraceCheckUtils]: 5: Hoare triple {775#(<= |fibo_#in~n| fibo_~n)} call #t~ret0 := fibo(~n - 1); {696#true} is VALID [2020-07-28 19:11:05,580 INFO L280 TraceCheckUtils]: 6: Hoare triple {696#true} ~n := #in~n; {775#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-28 19:11:05,580 INFO L280 TraceCheckUtils]: 7: Hoare triple {775#(<= |fibo_#in~n| fibo_~n)} assume !(~n < 1); {775#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-28 19:11:05,581 INFO L280 TraceCheckUtils]: 8: Hoare triple {775#(<= |fibo_#in~n| fibo_~n)} assume !(1 == ~n); {775#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-28 19:11:05,581 INFO L263 TraceCheckUtils]: 9: Hoare triple {775#(<= |fibo_#in~n| fibo_~n)} call #t~ret0 := fibo(~n - 1); {696#true} is VALID [2020-07-28 19:11:05,582 INFO L280 TraceCheckUtils]: 10: Hoare triple {696#true} ~n := #in~n; {775#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-28 19:11:05,582 INFO L280 TraceCheckUtils]: 11: Hoare triple {775#(<= |fibo_#in~n| fibo_~n)} assume !(~n < 1); {775#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-28 19:11:05,583 INFO L280 TraceCheckUtils]: 12: Hoare triple {775#(<= |fibo_#in~n| fibo_~n)} assume 1 == ~n;#res := 1; {806#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:05,584 INFO L280 TraceCheckUtils]: 13: Hoare triple {806#(<= |fibo_#in~n| 1)} assume true; {806#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:05,585 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {806#(<= |fibo_#in~n| 1)} {775#(<= |fibo_#in~n| fibo_~n)} #34#return; {813#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:05,586 INFO L280 TraceCheckUtils]: 15: Hoare triple {813#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {813#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:05,586 INFO L263 TraceCheckUtils]: 16: Hoare triple {813#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {696#true} is VALID [2020-07-28 19:11:05,586 INFO L280 TraceCheckUtils]: 17: Hoare triple {696#true} ~n := #in~n; {696#true} is VALID [2020-07-28 19:11:05,587 INFO L280 TraceCheckUtils]: 18: Hoare triple {696#true} assume ~n < 1;#res := 0; {696#true} is VALID [2020-07-28 19:11:05,587 INFO L280 TraceCheckUtils]: 19: Hoare triple {696#true} assume true; {696#true} is VALID [2020-07-28 19:11:05,588 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {696#true} {813#(<= |fibo_#in~n| 2)} #36#return; {813#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:05,589 INFO L280 TraceCheckUtils]: 21: Hoare triple {813#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {813#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:05,589 INFO L280 TraceCheckUtils]: 22: Hoare triple {813#(<= |fibo_#in~n| 2)} assume true; {813#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:05,591 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {813#(<= |fibo_#in~n| 2)} {775#(<= |fibo_#in~n| fibo_~n)} #34#return; {841#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:05,592 INFO L280 TraceCheckUtils]: 24: Hoare triple {841#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {841#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:05,592 INFO L263 TraceCheckUtils]: 25: Hoare triple {841#(<= |fibo_#in~n| 3)} call #t~ret1 := fibo(~n - 2); {696#true} is VALID [2020-07-28 19:11:05,592 INFO L280 TraceCheckUtils]: 26: Hoare triple {696#true} ~n := #in~n; {696#true} is VALID [2020-07-28 19:11:05,592 INFO L280 TraceCheckUtils]: 27: Hoare triple {696#true} assume ~n < 1;#res := 0; {696#true} is VALID [2020-07-28 19:11:05,592 INFO L280 TraceCheckUtils]: 28: Hoare triple {696#true} assume true; {696#true} is VALID [2020-07-28 19:11:05,594 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {696#true} {841#(<= |fibo_#in~n| 3)} #36#return; {841#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:05,598 INFO L280 TraceCheckUtils]: 30: Hoare triple {841#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {841#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:05,598 INFO L280 TraceCheckUtils]: 31: Hoare triple {841#(<= |fibo_#in~n| 3)} assume true; {841#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:05,600 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {841#(<= |fibo_#in~n| 3)} {698#(<= 5 ULTIMATE.start_main_~x~0)} #32#return; {697#false} is VALID [2020-07-28 19:11:05,600 INFO L280 TraceCheckUtils]: 33: Hoare triple {697#false} assume -2147483648 <= main_#t~ret2 && main_#t~ret2 <= 2147483647;main_~result~0 := main_#t~ret2;havoc main_#t~ret2; {697#false} is VALID [2020-07-28 19:11:05,600 INFO L280 TraceCheckUtils]: 34: Hoare triple {697#false} assume 5 != main_~result~0; {697#false} is VALID [2020-07-28 19:11:05,600 INFO L280 TraceCheckUtils]: 35: Hoare triple {697#false} assume !false; {697#false} is VALID [2020-07-28 19:11:05,602 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-07-28 19:11:05,602 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-28 19:11:05,603 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 12 [2020-07-28 19:11:05,603 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22519426] [2020-07-28 19:11:05,604 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 36 [2020-07-28 19:11:05,605 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:11:05,606 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states. [2020-07-28 19:11:05,665 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:11:05,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-28 19:11:05,665 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:11:05,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-28 19:11:05,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-07-28 19:11:05,666 INFO L87 Difference]: Start difference. First operand 33 states and 47 transitions. Second operand 12 states. [2020-07-28 19:11:06,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:11:06,355 INFO L93 Difference]: Finished difference Result 68 states and 105 transitions. [2020-07-28 19:11:06,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-28 19:11:06,356 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 36 [2020-07-28 19:11:06,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:11:06,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-07-28 19:11:06,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 72 transitions. [2020-07-28 19:11:06,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-07-28 19:11:06,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 72 transitions. [2020-07-28 19:11:06,364 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states and 72 transitions. [2020-07-28 19:11:06,465 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 72 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:11:06,468 INFO L225 Difference]: With dead ends: 68 [2020-07-28 19:11:06,469 INFO L226 Difference]: Without dead ends: 37 [2020-07-28 19:11:06,470 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2020-07-28 19:11:06,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-07-28 19:11:06,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-07-28 19:11:06,492 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:11:06,492 INFO L82 GeneralOperation]: Start isEquivalent. First operand 37 states. Second operand 37 states. [2020-07-28 19:11:06,492 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand 37 states. [2020-07-28 19:11:06,492 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 37 states. [2020-07-28 19:11:06,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:11:06,497 INFO L93 Difference]: Finished difference Result 37 states and 45 transitions. [2020-07-28 19:11:06,497 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2020-07-28 19:11:06,498 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:11:06,498 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:11:06,498 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand 37 states. [2020-07-28 19:11:06,498 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 37 states. [2020-07-28 19:11:06,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:11:06,502 INFO L93 Difference]: Finished difference Result 37 states and 45 transitions. [2020-07-28 19:11:06,502 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2020-07-28 19:11:06,502 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:11:06,502 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:11:06,503 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:11:06,503 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:11:06,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-07-28 19:11:06,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 45 transitions. [2020-07-28 19:11:06,506 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 45 transitions. Word has length 36 [2020-07-28 19:11:06,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:11:06,506 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 45 transitions. [2020-07-28 19:11:06,506 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-28 19:11:06,506 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2020-07-28 19:11:06,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-28 19:11:06,508 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:11:06,508 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 7, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1] [2020-07-28 19:11:06,720 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 19:11:06,721 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:11:06,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:11:06,722 INFO L82 PathProgramCache]: Analyzing trace with hash 1472518942, now seen corresponding path program 3 times [2020-07-28 19:11:06,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:11:06,723 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684364564] [2020-07-28 19:11:06,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:11:06,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:06,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-07-28 19:11:06,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:06,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-07-28 19:11:06,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:06,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-07-28 19:11:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:06,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-07-28 19:11:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:06,915 INFO L280 TraceCheckUtils]: 0: Hoare triple {1098#true} ~n := #in~n; {1160#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:06,915 INFO L280 TraceCheckUtils]: 1: Hoare triple {1160#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1160#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:06,916 INFO L280 TraceCheckUtils]: 2: Hoare triple {1160#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {1246#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:06,917 INFO L280 TraceCheckUtils]: 3: Hoare triple {1246#(<= |fibo_#in~n| 1)} assume true; {1246#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:06,919 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1246#(<= |fibo_#in~n| 1)} {1160#(= fibo_~n |fibo_#in~n|)} #34#return; {1241#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:06,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-07-28 19:11:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:06,926 INFO L280 TraceCheckUtils]: 0: Hoare triple {1098#true} ~n := #in~n; {1098#true} is VALID [2020-07-28 19:11:06,926 INFO L280 TraceCheckUtils]: 1: Hoare triple {1098#true} assume ~n < 1;#res := 0; {1098#true} is VALID [2020-07-28 19:11:06,926 INFO L280 TraceCheckUtils]: 2: Hoare triple {1098#true} assume true; {1098#true} is VALID [2020-07-28 19:11:06,928 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1098#true} {1241#(<= |fibo_#in~n| 2)} #36#return; {1241#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:06,929 INFO L280 TraceCheckUtils]: 0: Hoare triple {1098#true} ~n := #in~n; {1160#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:06,930 INFO L280 TraceCheckUtils]: 1: Hoare triple {1160#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1160#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:06,931 INFO L280 TraceCheckUtils]: 2: Hoare triple {1160#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1160#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:06,931 INFO L263 TraceCheckUtils]: 3: Hoare triple {1160#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1098#true} is VALID [2020-07-28 19:11:06,932 INFO L280 TraceCheckUtils]: 4: Hoare triple {1098#true} ~n := #in~n; {1160#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:06,932 INFO L280 TraceCheckUtils]: 5: Hoare triple {1160#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1160#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:06,933 INFO L280 TraceCheckUtils]: 6: Hoare triple {1160#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {1246#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:06,934 INFO L280 TraceCheckUtils]: 7: Hoare triple {1246#(<= |fibo_#in~n| 1)} assume true; {1246#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:06,936 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1246#(<= |fibo_#in~n| 1)} {1160#(= fibo_~n |fibo_#in~n|)} #34#return; {1241#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:06,937 INFO L280 TraceCheckUtils]: 9: Hoare triple {1241#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1241#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:06,937 INFO L263 TraceCheckUtils]: 10: Hoare triple {1241#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {1098#true} is VALID [2020-07-28 19:11:06,937 INFO L280 TraceCheckUtils]: 11: Hoare triple {1098#true} ~n := #in~n; {1098#true} is VALID [2020-07-28 19:11:06,938 INFO L280 TraceCheckUtils]: 12: Hoare triple {1098#true} assume ~n < 1;#res := 0; {1098#true} is VALID [2020-07-28 19:11:06,938 INFO L280 TraceCheckUtils]: 13: Hoare triple {1098#true} assume true; {1098#true} is VALID [2020-07-28 19:11:06,939 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {1098#true} {1241#(<= |fibo_#in~n| 2)} #36#return; {1241#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:06,940 INFO L280 TraceCheckUtils]: 15: Hoare triple {1241#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1241#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:06,941 INFO L280 TraceCheckUtils]: 16: Hoare triple {1241#(<= |fibo_#in~n| 2)} assume true; {1241#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:06,943 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {1241#(<= |fibo_#in~n| 2)} {1160#(= fibo_~n |fibo_#in~n|)} #34#return; {1230#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:06,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-07-28 19:11:06,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:06,950 INFO L280 TraceCheckUtils]: 0: Hoare triple {1098#true} ~n := #in~n; {1098#true} is VALID [2020-07-28 19:11:06,950 INFO L280 TraceCheckUtils]: 1: Hoare triple {1098#true} assume !(~n < 1); {1098#true} is VALID [2020-07-28 19:11:06,951 INFO L280 TraceCheckUtils]: 2: Hoare triple {1098#true} assume 1 == ~n;#res := 1; {1098#true} is VALID [2020-07-28 19:11:06,951 INFO L280 TraceCheckUtils]: 3: Hoare triple {1098#true} assume true; {1098#true} is VALID [2020-07-28 19:11:06,952 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1098#true} {1230#(<= |fibo_#in~n| 3)} #36#return; {1230#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:06,953 INFO L280 TraceCheckUtils]: 0: Hoare triple {1098#true} ~n := #in~n; {1160#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:06,954 INFO L280 TraceCheckUtils]: 1: Hoare triple {1160#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1160#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:06,955 INFO L280 TraceCheckUtils]: 2: Hoare triple {1160#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1160#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:06,955 INFO L263 TraceCheckUtils]: 3: Hoare triple {1160#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1098#true} is VALID [2020-07-28 19:11:06,956 INFO L280 TraceCheckUtils]: 4: Hoare triple {1098#true} ~n := #in~n; {1160#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:06,956 INFO L280 TraceCheckUtils]: 5: Hoare triple {1160#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1160#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:06,957 INFO L280 TraceCheckUtils]: 6: Hoare triple {1160#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1160#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:06,957 INFO L263 TraceCheckUtils]: 7: Hoare triple {1160#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1098#true} is VALID [2020-07-28 19:11:06,958 INFO L280 TraceCheckUtils]: 8: Hoare triple {1098#true} ~n := #in~n; {1160#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:06,959 INFO L280 TraceCheckUtils]: 9: Hoare triple {1160#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1160#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:06,960 INFO L280 TraceCheckUtils]: 10: Hoare triple {1160#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {1246#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:06,960 INFO L280 TraceCheckUtils]: 11: Hoare triple {1246#(<= |fibo_#in~n| 1)} assume true; {1246#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:06,962 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {1246#(<= |fibo_#in~n| 1)} {1160#(= fibo_~n |fibo_#in~n|)} #34#return; {1241#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:06,963 INFO L280 TraceCheckUtils]: 13: Hoare triple {1241#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1241#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:06,963 INFO L263 TraceCheckUtils]: 14: Hoare triple {1241#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {1098#true} is VALID [2020-07-28 19:11:06,964 INFO L280 TraceCheckUtils]: 15: Hoare triple {1098#true} ~n := #in~n; {1098#true} is VALID [2020-07-28 19:11:06,964 INFO L280 TraceCheckUtils]: 16: Hoare triple {1098#true} assume ~n < 1;#res := 0; {1098#true} is VALID [2020-07-28 19:11:06,964 INFO L280 TraceCheckUtils]: 17: Hoare triple {1098#true} assume true; {1098#true} is VALID [2020-07-28 19:11:06,966 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {1098#true} {1241#(<= |fibo_#in~n| 2)} #36#return; {1241#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:06,966 INFO L280 TraceCheckUtils]: 19: Hoare triple {1241#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1241#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:06,967 INFO L280 TraceCheckUtils]: 20: Hoare triple {1241#(<= |fibo_#in~n| 2)} assume true; {1241#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:06,969 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {1241#(<= |fibo_#in~n| 2)} {1160#(= fibo_~n |fibo_#in~n|)} #34#return; {1230#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:06,970 INFO L280 TraceCheckUtils]: 22: Hoare triple {1230#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1230#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:06,970 INFO L263 TraceCheckUtils]: 23: Hoare triple {1230#(<= |fibo_#in~n| 3)} call #t~ret1 := fibo(~n - 2); {1098#true} is VALID [2020-07-28 19:11:06,971 INFO L280 TraceCheckUtils]: 24: Hoare triple {1098#true} ~n := #in~n; {1098#true} is VALID [2020-07-28 19:11:06,971 INFO L280 TraceCheckUtils]: 25: Hoare triple {1098#true} assume !(~n < 1); {1098#true} is VALID [2020-07-28 19:11:06,972 INFO L280 TraceCheckUtils]: 26: Hoare triple {1098#true} assume 1 == ~n;#res := 1; {1098#true} is VALID [2020-07-28 19:11:06,972 INFO L280 TraceCheckUtils]: 27: Hoare triple {1098#true} assume true; {1098#true} is VALID [2020-07-28 19:11:06,974 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {1098#true} {1230#(<= |fibo_#in~n| 3)} #36#return; {1230#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:06,975 INFO L280 TraceCheckUtils]: 29: Hoare triple {1230#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1230#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:06,976 INFO L280 TraceCheckUtils]: 30: Hoare triple {1230#(<= |fibo_#in~n| 3)} assume true; {1230#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:06,978 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {1230#(<= |fibo_#in~n| 3)} {1160#(= fibo_~n |fibo_#in~n|)} #34#return; {1193#(<= |fibo_#in~n| 4)} is VALID [2020-07-28 19:11:06,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-07-28 19:11:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:06,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-07-28 19:11:06,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:06,999 INFO L280 TraceCheckUtils]: 0: Hoare triple {1098#true} ~n := #in~n; {1098#true} is VALID [2020-07-28 19:11:07,000 INFO L280 TraceCheckUtils]: 1: Hoare triple {1098#true} assume !(~n < 1); {1098#true} is VALID [2020-07-28 19:11:07,000 INFO L280 TraceCheckUtils]: 2: Hoare triple {1098#true} assume 1 == ~n;#res := 1; {1098#true} is VALID [2020-07-28 19:11:07,000 INFO L280 TraceCheckUtils]: 3: Hoare triple {1098#true} assume true; {1098#true} is VALID [2020-07-28 19:11:07,001 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1098#true} {1098#true} #34#return; {1098#true} is VALID [2020-07-28 19:11:07,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-07-28 19:11:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:07,005 INFO L280 TraceCheckUtils]: 0: Hoare triple {1098#true} ~n := #in~n; {1098#true} is VALID [2020-07-28 19:11:07,006 INFO L280 TraceCheckUtils]: 1: Hoare triple {1098#true} assume ~n < 1;#res := 0; {1098#true} is VALID [2020-07-28 19:11:07,006 INFO L280 TraceCheckUtils]: 2: Hoare triple {1098#true} assume true; {1098#true} is VALID [2020-07-28 19:11:07,006 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1098#true} {1098#true} #36#return; {1098#true} is VALID [2020-07-28 19:11:07,007 INFO L280 TraceCheckUtils]: 0: Hoare triple {1098#true} ~n := #in~n; {1098#true} is VALID [2020-07-28 19:11:07,007 INFO L280 TraceCheckUtils]: 1: Hoare triple {1098#true} assume !(~n < 1); {1098#true} is VALID [2020-07-28 19:11:07,007 INFO L280 TraceCheckUtils]: 2: Hoare triple {1098#true} assume !(1 == ~n); {1098#true} is VALID [2020-07-28 19:11:07,008 INFO L263 TraceCheckUtils]: 3: Hoare triple {1098#true} call #t~ret0 := fibo(~n - 1); {1098#true} is VALID [2020-07-28 19:11:07,008 INFO L280 TraceCheckUtils]: 4: Hoare triple {1098#true} ~n := #in~n; {1098#true} is VALID [2020-07-28 19:11:07,009 INFO L280 TraceCheckUtils]: 5: Hoare triple {1098#true} assume !(~n < 1); {1098#true} is VALID [2020-07-28 19:11:07,009 INFO L280 TraceCheckUtils]: 6: Hoare triple {1098#true} assume 1 == ~n;#res := 1; {1098#true} is VALID [2020-07-28 19:11:07,009 INFO L280 TraceCheckUtils]: 7: Hoare triple {1098#true} assume true; {1098#true} is VALID [2020-07-28 19:11:07,010 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1098#true} {1098#true} #34#return; {1098#true} is VALID [2020-07-28 19:11:07,010 INFO L280 TraceCheckUtils]: 9: Hoare triple {1098#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1098#true} is VALID [2020-07-28 19:11:07,010 INFO L263 TraceCheckUtils]: 10: Hoare triple {1098#true} call #t~ret1 := fibo(~n - 2); {1098#true} is VALID [2020-07-28 19:11:07,011 INFO L280 TraceCheckUtils]: 11: Hoare triple {1098#true} ~n := #in~n; {1098#true} is VALID [2020-07-28 19:11:07,011 INFO L280 TraceCheckUtils]: 12: Hoare triple {1098#true} assume ~n < 1;#res := 0; {1098#true} is VALID [2020-07-28 19:11:07,011 INFO L280 TraceCheckUtils]: 13: Hoare triple {1098#true} assume true; {1098#true} is VALID [2020-07-28 19:11:07,011 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {1098#true} {1098#true} #36#return; {1098#true} is VALID [2020-07-28 19:11:07,012 INFO L280 TraceCheckUtils]: 15: Hoare triple {1098#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1098#true} is VALID [2020-07-28 19:11:07,012 INFO L280 TraceCheckUtils]: 16: Hoare triple {1098#true} assume true; {1098#true} is VALID [2020-07-28 19:11:07,013 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {1098#true} {1193#(<= |fibo_#in~n| 4)} #36#return; {1193#(<= |fibo_#in~n| 4)} is VALID [2020-07-28 19:11:07,015 INFO L280 TraceCheckUtils]: 0: Hoare triple {1098#true} ~n := #in~n; {1160#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:07,016 INFO L280 TraceCheckUtils]: 1: Hoare triple {1160#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1160#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:07,017 INFO L280 TraceCheckUtils]: 2: Hoare triple {1160#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1160#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:07,017 INFO L263 TraceCheckUtils]: 3: Hoare triple {1160#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1098#true} is VALID [2020-07-28 19:11:07,018 INFO L280 TraceCheckUtils]: 4: Hoare triple {1098#true} ~n := #in~n; {1160#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:07,019 INFO L280 TraceCheckUtils]: 5: Hoare triple {1160#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1160#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:07,020 INFO L280 TraceCheckUtils]: 6: Hoare triple {1160#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1160#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:07,021 INFO L263 TraceCheckUtils]: 7: Hoare triple {1160#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1098#true} is VALID [2020-07-28 19:11:07,022 INFO L280 TraceCheckUtils]: 8: Hoare triple {1098#true} ~n := #in~n; {1160#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:07,023 INFO L280 TraceCheckUtils]: 9: Hoare triple {1160#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1160#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:07,023 INFO L280 TraceCheckUtils]: 10: Hoare triple {1160#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1160#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:07,024 INFO L263 TraceCheckUtils]: 11: Hoare triple {1160#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1098#true} is VALID [2020-07-28 19:11:07,025 INFO L280 TraceCheckUtils]: 12: Hoare triple {1098#true} ~n := #in~n; {1160#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:07,026 INFO L280 TraceCheckUtils]: 13: Hoare triple {1160#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1160#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:07,027 INFO L280 TraceCheckUtils]: 14: Hoare triple {1160#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {1246#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:07,028 INFO L280 TraceCheckUtils]: 15: Hoare triple {1246#(<= |fibo_#in~n| 1)} assume true; {1246#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:07,030 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {1246#(<= |fibo_#in~n| 1)} {1160#(= fibo_~n |fibo_#in~n|)} #34#return; {1241#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:07,031 INFO L280 TraceCheckUtils]: 17: Hoare triple {1241#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1241#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:07,031 INFO L263 TraceCheckUtils]: 18: Hoare triple {1241#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {1098#true} is VALID [2020-07-28 19:11:07,031 INFO L280 TraceCheckUtils]: 19: Hoare triple {1098#true} ~n := #in~n; {1098#true} is VALID [2020-07-28 19:11:07,031 INFO L280 TraceCheckUtils]: 20: Hoare triple {1098#true} assume ~n < 1;#res := 0; {1098#true} is VALID [2020-07-28 19:11:07,032 INFO L280 TraceCheckUtils]: 21: Hoare triple {1098#true} assume true; {1098#true} is VALID [2020-07-28 19:11:07,034 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {1098#true} {1241#(<= |fibo_#in~n| 2)} #36#return; {1241#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:07,035 INFO L280 TraceCheckUtils]: 23: Hoare triple {1241#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1241#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:07,036 INFO L280 TraceCheckUtils]: 24: Hoare triple {1241#(<= |fibo_#in~n| 2)} assume true; {1241#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:07,038 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {1241#(<= |fibo_#in~n| 2)} {1160#(= fibo_~n |fibo_#in~n|)} #34#return; {1230#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:07,039 INFO L280 TraceCheckUtils]: 26: Hoare triple {1230#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1230#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:07,039 INFO L263 TraceCheckUtils]: 27: Hoare triple {1230#(<= |fibo_#in~n| 3)} call #t~ret1 := fibo(~n - 2); {1098#true} is VALID [2020-07-28 19:11:07,040 INFO L280 TraceCheckUtils]: 28: Hoare triple {1098#true} ~n := #in~n; {1098#true} is VALID [2020-07-28 19:11:07,040 INFO L280 TraceCheckUtils]: 29: Hoare triple {1098#true} assume !(~n < 1); {1098#true} is VALID [2020-07-28 19:11:07,040 INFO L280 TraceCheckUtils]: 30: Hoare triple {1098#true} assume 1 == ~n;#res := 1; {1098#true} is VALID [2020-07-28 19:11:07,041 INFO L280 TraceCheckUtils]: 31: Hoare triple {1098#true} assume true; {1098#true} is VALID [2020-07-28 19:11:07,042 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {1098#true} {1230#(<= |fibo_#in~n| 3)} #36#return; {1230#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:07,043 INFO L280 TraceCheckUtils]: 33: Hoare triple {1230#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1230#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:07,044 INFO L280 TraceCheckUtils]: 34: Hoare triple {1230#(<= |fibo_#in~n| 3)} assume true; {1230#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:07,046 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {1230#(<= |fibo_#in~n| 3)} {1160#(= fibo_~n |fibo_#in~n|)} #34#return; {1193#(<= |fibo_#in~n| 4)} is VALID [2020-07-28 19:11:07,047 INFO L280 TraceCheckUtils]: 36: Hoare triple {1193#(<= |fibo_#in~n| 4)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1193#(<= |fibo_#in~n| 4)} is VALID [2020-07-28 19:11:07,047 INFO L263 TraceCheckUtils]: 37: Hoare triple {1193#(<= |fibo_#in~n| 4)} call #t~ret1 := fibo(~n - 2); {1098#true} is VALID [2020-07-28 19:11:07,047 INFO L280 TraceCheckUtils]: 38: Hoare triple {1098#true} ~n := #in~n; {1098#true} is VALID [2020-07-28 19:11:07,048 INFO L280 TraceCheckUtils]: 39: Hoare triple {1098#true} assume !(~n < 1); {1098#true} is VALID [2020-07-28 19:11:07,048 INFO L280 TraceCheckUtils]: 40: Hoare triple {1098#true} assume !(1 == ~n); {1098#true} is VALID [2020-07-28 19:11:07,048 INFO L263 TraceCheckUtils]: 41: Hoare triple {1098#true} call #t~ret0 := fibo(~n - 1); {1098#true} is VALID [2020-07-28 19:11:07,049 INFO L280 TraceCheckUtils]: 42: Hoare triple {1098#true} ~n := #in~n; {1098#true} is VALID [2020-07-28 19:11:07,049 INFO L280 TraceCheckUtils]: 43: Hoare triple {1098#true} assume !(~n < 1); {1098#true} is VALID [2020-07-28 19:11:07,049 INFO L280 TraceCheckUtils]: 44: Hoare triple {1098#true} assume 1 == ~n;#res := 1; {1098#true} is VALID [2020-07-28 19:11:07,049 INFO L280 TraceCheckUtils]: 45: Hoare triple {1098#true} assume true; {1098#true} is VALID [2020-07-28 19:11:07,050 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {1098#true} {1098#true} #34#return; {1098#true} is VALID [2020-07-28 19:11:07,050 INFO L280 TraceCheckUtils]: 47: Hoare triple {1098#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1098#true} is VALID [2020-07-28 19:11:07,050 INFO L263 TraceCheckUtils]: 48: Hoare triple {1098#true} call #t~ret1 := fibo(~n - 2); {1098#true} is VALID [2020-07-28 19:11:07,051 INFO L280 TraceCheckUtils]: 49: Hoare triple {1098#true} ~n := #in~n; {1098#true} is VALID [2020-07-28 19:11:07,051 INFO L280 TraceCheckUtils]: 50: Hoare triple {1098#true} assume ~n < 1;#res := 0; {1098#true} is VALID [2020-07-28 19:11:07,051 INFO L280 TraceCheckUtils]: 51: Hoare triple {1098#true} assume true; {1098#true} is VALID [2020-07-28 19:11:07,051 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {1098#true} {1098#true} #36#return; {1098#true} is VALID [2020-07-28 19:11:07,052 INFO L280 TraceCheckUtils]: 53: Hoare triple {1098#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1098#true} is VALID [2020-07-28 19:11:07,052 INFO L280 TraceCheckUtils]: 54: Hoare triple {1098#true} assume true; {1098#true} is VALID [2020-07-28 19:11:07,054 INFO L275 TraceCheckUtils]: 55: Hoare quadruple {1098#true} {1193#(<= |fibo_#in~n| 4)} #36#return; {1193#(<= |fibo_#in~n| 4)} is VALID [2020-07-28 19:11:07,055 INFO L280 TraceCheckUtils]: 56: Hoare triple {1193#(<= |fibo_#in~n| 4)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1193#(<= |fibo_#in~n| 4)} is VALID [2020-07-28 19:11:07,056 INFO L280 TraceCheckUtils]: 57: Hoare triple {1193#(<= |fibo_#in~n| 4)} assume true; {1193#(<= |fibo_#in~n| 4)} is VALID [2020-07-28 19:11:07,058 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {1193#(<= |fibo_#in~n| 4)} {1100#(<= 5 ULTIMATE.start_main_~x~0)} #32#return; {1099#false} is VALID [2020-07-28 19:11:07,067 INFO L280 TraceCheckUtils]: 0: Hoare triple {1098#true} havoc main_#res;havoc main_#t~ret2, main_~x~0, main_~result~0;main_~x~0 := 5; {1100#(<= 5 ULTIMATE.start_main_~x~0)} is VALID [2020-07-28 19:11:07,067 INFO L263 TraceCheckUtils]: 1: Hoare triple {1100#(<= 5 ULTIMATE.start_main_~x~0)} call main_#t~ret2 := fibo(main_~x~0); {1098#true} is VALID [2020-07-28 19:11:07,068 INFO L280 TraceCheckUtils]: 2: Hoare triple {1098#true} ~n := #in~n; {1160#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:07,069 INFO L280 TraceCheckUtils]: 3: Hoare triple {1160#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1160#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:07,070 INFO L280 TraceCheckUtils]: 4: Hoare triple {1160#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1160#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:07,070 INFO L263 TraceCheckUtils]: 5: Hoare triple {1160#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1098#true} is VALID [2020-07-28 19:11:07,071 INFO L280 TraceCheckUtils]: 6: Hoare triple {1098#true} ~n := #in~n; {1160#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:07,072 INFO L280 TraceCheckUtils]: 7: Hoare triple {1160#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1160#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:07,073 INFO L280 TraceCheckUtils]: 8: Hoare triple {1160#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1160#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:07,073 INFO L263 TraceCheckUtils]: 9: Hoare triple {1160#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1098#true} is VALID [2020-07-28 19:11:07,074 INFO L280 TraceCheckUtils]: 10: Hoare triple {1098#true} ~n := #in~n; {1160#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:07,075 INFO L280 TraceCheckUtils]: 11: Hoare triple {1160#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1160#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:07,076 INFO L280 TraceCheckUtils]: 12: Hoare triple {1160#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1160#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:07,077 INFO L263 TraceCheckUtils]: 13: Hoare triple {1160#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1098#true} is VALID [2020-07-28 19:11:07,078 INFO L280 TraceCheckUtils]: 14: Hoare triple {1098#true} ~n := #in~n; {1160#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:07,079 INFO L280 TraceCheckUtils]: 15: Hoare triple {1160#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1160#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:07,080 INFO L280 TraceCheckUtils]: 16: Hoare triple {1160#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {1246#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:07,081 INFO L280 TraceCheckUtils]: 17: Hoare triple {1246#(<= |fibo_#in~n| 1)} assume true; {1246#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:07,083 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {1246#(<= |fibo_#in~n| 1)} {1160#(= fibo_~n |fibo_#in~n|)} #34#return; {1241#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:07,084 INFO L280 TraceCheckUtils]: 19: Hoare triple {1241#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1241#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:07,084 INFO L263 TraceCheckUtils]: 20: Hoare triple {1241#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {1098#true} is VALID [2020-07-28 19:11:07,084 INFO L280 TraceCheckUtils]: 21: Hoare triple {1098#true} ~n := #in~n; {1098#true} is VALID [2020-07-28 19:11:07,084 INFO L280 TraceCheckUtils]: 22: Hoare triple {1098#true} assume ~n < 1;#res := 0; {1098#true} is VALID [2020-07-28 19:11:07,085 INFO L280 TraceCheckUtils]: 23: Hoare triple {1098#true} assume true; {1098#true} is VALID [2020-07-28 19:11:07,087 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {1098#true} {1241#(<= |fibo_#in~n| 2)} #36#return; {1241#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:07,088 INFO L280 TraceCheckUtils]: 25: Hoare triple {1241#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1241#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:07,089 INFO L280 TraceCheckUtils]: 26: Hoare triple {1241#(<= |fibo_#in~n| 2)} assume true; {1241#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:07,091 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {1241#(<= |fibo_#in~n| 2)} {1160#(= fibo_~n |fibo_#in~n|)} #34#return; {1230#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:07,092 INFO L280 TraceCheckUtils]: 28: Hoare triple {1230#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1230#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:07,093 INFO L263 TraceCheckUtils]: 29: Hoare triple {1230#(<= |fibo_#in~n| 3)} call #t~ret1 := fibo(~n - 2); {1098#true} is VALID [2020-07-28 19:11:07,093 INFO L280 TraceCheckUtils]: 30: Hoare triple {1098#true} ~n := #in~n; {1098#true} is VALID [2020-07-28 19:11:07,093 INFO L280 TraceCheckUtils]: 31: Hoare triple {1098#true} assume !(~n < 1); {1098#true} is VALID [2020-07-28 19:11:07,093 INFO L280 TraceCheckUtils]: 32: Hoare triple {1098#true} assume 1 == ~n;#res := 1; {1098#true} is VALID [2020-07-28 19:11:07,094 INFO L280 TraceCheckUtils]: 33: Hoare triple {1098#true} assume true; {1098#true} is VALID [2020-07-28 19:11:07,096 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {1098#true} {1230#(<= |fibo_#in~n| 3)} #36#return; {1230#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:07,097 INFO L280 TraceCheckUtils]: 35: Hoare triple {1230#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1230#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:07,098 INFO L280 TraceCheckUtils]: 36: Hoare triple {1230#(<= |fibo_#in~n| 3)} assume true; {1230#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:07,100 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {1230#(<= |fibo_#in~n| 3)} {1160#(= fibo_~n |fibo_#in~n|)} #34#return; {1193#(<= |fibo_#in~n| 4)} is VALID [2020-07-28 19:11:07,101 INFO L280 TraceCheckUtils]: 38: Hoare triple {1193#(<= |fibo_#in~n| 4)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1193#(<= |fibo_#in~n| 4)} is VALID [2020-07-28 19:11:07,101 INFO L263 TraceCheckUtils]: 39: Hoare triple {1193#(<= |fibo_#in~n| 4)} call #t~ret1 := fibo(~n - 2); {1098#true} is VALID [2020-07-28 19:11:07,101 INFO L280 TraceCheckUtils]: 40: Hoare triple {1098#true} ~n := #in~n; {1098#true} is VALID [2020-07-28 19:11:07,102 INFO L280 TraceCheckUtils]: 41: Hoare triple {1098#true} assume !(~n < 1); {1098#true} is VALID [2020-07-28 19:11:07,102 INFO L280 TraceCheckUtils]: 42: Hoare triple {1098#true} assume !(1 == ~n); {1098#true} is VALID [2020-07-28 19:11:07,102 INFO L263 TraceCheckUtils]: 43: Hoare triple {1098#true} call #t~ret0 := fibo(~n - 1); {1098#true} is VALID [2020-07-28 19:11:07,102 INFO L280 TraceCheckUtils]: 44: Hoare triple {1098#true} ~n := #in~n; {1098#true} is VALID [2020-07-28 19:11:07,103 INFO L280 TraceCheckUtils]: 45: Hoare triple {1098#true} assume !(~n < 1); {1098#true} is VALID [2020-07-28 19:11:07,103 INFO L280 TraceCheckUtils]: 46: Hoare triple {1098#true} assume 1 == ~n;#res := 1; {1098#true} is VALID [2020-07-28 19:11:07,103 INFO L280 TraceCheckUtils]: 47: Hoare triple {1098#true} assume true; {1098#true} is VALID [2020-07-28 19:11:07,104 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {1098#true} {1098#true} #34#return; {1098#true} is VALID [2020-07-28 19:11:07,104 INFO L280 TraceCheckUtils]: 49: Hoare triple {1098#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1098#true} is VALID [2020-07-28 19:11:07,104 INFO L263 TraceCheckUtils]: 50: Hoare triple {1098#true} call #t~ret1 := fibo(~n - 2); {1098#true} is VALID [2020-07-28 19:11:07,105 INFO L280 TraceCheckUtils]: 51: Hoare triple {1098#true} ~n := #in~n; {1098#true} is VALID [2020-07-28 19:11:07,105 INFO L280 TraceCheckUtils]: 52: Hoare triple {1098#true} assume ~n < 1;#res := 0; {1098#true} is VALID [2020-07-28 19:11:07,105 INFO L280 TraceCheckUtils]: 53: Hoare triple {1098#true} assume true; {1098#true} is VALID [2020-07-28 19:11:07,106 INFO L275 TraceCheckUtils]: 54: Hoare quadruple {1098#true} {1098#true} #36#return; {1098#true} is VALID [2020-07-28 19:11:07,106 INFO L280 TraceCheckUtils]: 55: Hoare triple {1098#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1098#true} is VALID [2020-07-28 19:11:07,107 INFO L280 TraceCheckUtils]: 56: Hoare triple {1098#true} assume true; {1098#true} is VALID [2020-07-28 19:11:07,124 INFO L275 TraceCheckUtils]: 57: Hoare quadruple {1098#true} {1193#(<= |fibo_#in~n| 4)} #36#return; {1193#(<= |fibo_#in~n| 4)} is VALID [2020-07-28 19:11:07,131 INFO L280 TraceCheckUtils]: 58: Hoare triple {1193#(<= |fibo_#in~n| 4)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1193#(<= |fibo_#in~n| 4)} is VALID [2020-07-28 19:11:07,132 INFO L280 TraceCheckUtils]: 59: Hoare triple {1193#(<= |fibo_#in~n| 4)} assume true; {1193#(<= |fibo_#in~n| 4)} is VALID [2020-07-28 19:11:07,133 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {1193#(<= |fibo_#in~n| 4)} {1100#(<= 5 ULTIMATE.start_main_~x~0)} #32#return; {1099#false} is VALID [2020-07-28 19:11:07,133 INFO L280 TraceCheckUtils]: 61: Hoare triple {1099#false} assume -2147483648 <= main_#t~ret2 && main_#t~ret2 <= 2147483647;main_~result~0 := main_#t~ret2;havoc main_#t~ret2; {1099#false} is VALID [2020-07-28 19:11:07,134 INFO L280 TraceCheckUtils]: 62: Hoare triple {1099#false} assume 5 != main_~result~0; {1099#false} is VALID [2020-07-28 19:11:07,134 INFO L280 TraceCheckUtils]: 63: Hoare triple {1099#false} assume !false; {1099#false} is VALID [2020-07-28 19:11:07,139 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 17 proven. 88 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-07-28 19:11:07,140 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684364564] [2020-07-28 19:11:07,140 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002449921] [2020-07-28 19:11:07,141 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 19:11:07,181 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2020-07-28 19:11:07,182 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-28 19:11:07,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-28 19:11:07,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:07,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 19:11:07,514 INFO L280 TraceCheckUtils]: 0: Hoare triple {1098#true} havoc main_#res;havoc main_#t~ret2, main_~x~0, main_~result~0;main_~x~0 := 5; {1100#(<= 5 ULTIMATE.start_main_~x~0)} is VALID [2020-07-28 19:11:07,515 INFO L263 TraceCheckUtils]: 1: Hoare triple {1100#(<= 5 ULTIMATE.start_main_~x~0)} call main_#t~ret2 := fibo(main_~x~0); {1098#true} is VALID [2020-07-28 19:11:07,515 INFO L280 TraceCheckUtils]: 2: Hoare triple {1098#true} ~n := #in~n; {1265#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-28 19:11:07,516 INFO L280 TraceCheckUtils]: 3: Hoare triple {1265#(<= |fibo_#in~n| fibo_~n)} assume !(~n < 1); {1265#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-28 19:11:07,517 INFO L280 TraceCheckUtils]: 4: Hoare triple {1265#(<= |fibo_#in~n| fibo_~n)} assume !(1 == ~n); {1265#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-28 19:11:07,517 INFO L263 TraceCheckUtils]: 5: Hoare triple {1265#(<= |fibo_#in~n| fibo_~n)} call #t~ret0 := fibo(~n - 1); {1098#true} is VALID [2020-07-28 19:11:07,517 INFO L280 TraceCheckUtils]: 6: Hoare triple {1098#true} ~n := #in~n; {1098#true} is VALID [2020-07-28 19:11:07,518 INFO L280 TraceCheckUtils]: 7: Hoare triple {1098#true} assume !(~n < 1); {1098#true} is VALID [2020-07-28 19:11:07,518 INFO L280 TraceCheckUtils]: 8: Hoare triple {1098#true} assume !(1 == ~n); {1098#true} is VALID [2020-07-28 19:11:07,518 INFO L263 TraceCheckUtils]: 9: Hoare triple {1098#true} call #t~ret0 := fibo(~n - 1); {1098#true} is VALID [2020-07-28 19:11:07,518 INFO L280 TraceCheckUtils]: 10: Hoare triple {1098#true} ~n := #in~n; {1098#true} is VALID [2020-07-28 19:11:07,518 INFO L280 TraceCheckUtils]: 11: Hoare triple {1098#true} assume !(~n < 1); {1098#true} is VALID [2020-07-28 19:11:07,518 INFO L280 TraceCheckUtils]: 12: Hoare triple {1098#true} assume !(1 == ~n); {1098#true} is VALID [2020-07-28 19:11:07,519 INFO L263 TraceCheckUtils]: 13: Hoare triple {1098#true} call #t~ret0 := fibo(~n - 1); {1098#true} is VALID [2020-07-28 19:11:07,519 INFO L280 TraceCheckUtils]: 14: Hoare triple {1098#true} ~n := #in~n; {1098#true} is VALID [2020-07-28 19:11:07,519 INFO L280 TraceCheckUtils]: 15: Hoare triple {1098#true} assume !(~n < 1); {1098#true} is VALID [2020-07-28 19:11:07,519 INFO L280 TraceCheckUtils]: 16: Hoare triple {1098#true} assume 1 == ~n;#res := 1; {1098#true} is VALID [2020-07-28 19:11:07,519 INFO L280 TraceCheckUtils]: 17: Hoare triple {1098#true} assume true; {1098#true} is VALID [2020-07-28 19:11:07,520 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {1098#true} {1098#true} #34#return; {1098#true} is VALID [2020-07-28 19:11:07,520 INFO L280 TraceCheckUtils]: 19: Hoare triple {1098#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1098#true} is VALID [2020-07-28 19:11:07,520 INFO L263 TraceCheckUtils]: 20: Hoare triple {1098#true} call #t~ret1 := fibo(~n - 2); {1098#true} is VALID [2020-07-28 19:11:07,520 INFO L280 TraceCheckUtils]: 21: Hoare triple {1098#true} ~n := #in~n; {1098#true} is VALID [2020-07-28 19:11:07,520 INFO L280 TraceCheckUtils]: 22: Hoare triple {1098#true} assume ~n < 1;#res := 0; {1098#true} is VALID [2020-07-28 19:11:07,520 INFO L280 TraceCheckUtils]: 23: Hoare triple {1098#true} assume true; {1098#true} is VALID [2020-07-28 19:11:07,520 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {1098#true} {1098#true} #36#return; {1098#true} is VALID [2020-07-28 19:11:07,521 INFO L280 TraceCheckUtils]: 25: Hoare triple {1098#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1098#true} is VALID [2020-07-28 19:11:07,521 INFO L280 TraceCheckUtils]: 26: Hoare triple {1098#true} assume true; {1098#true} is VALID [2020-07-28 19:11:07,521 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {1098#true} {1098#true} #34#return; {1098#true} is VALID [2020-07-28 19:11:07,521 INFO L280 TraceCheckUtils]: 28: Hoare triple {1098#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1098#true} is VALID [2020-07-28 19:11:07,521 INFO L263 TraceCheckUtils]: 29: Hoare triple {1098#true} call #t~ret1 := fibo(~n - 2); {1098#true} is VALID [2020-07-28 19:11:07,522 INFO L280 TraceCheckUtils]: 30: Hoare triple {1098#true} ~n := #in~n; {1098#true} is VALID [2020-07-28 19:11:07,522 INFO L280 TraceCheckUtils]: 31: Hoare triple {1098#true} assume !(~n < 1); {1098#true} is VALID [2020-07-28 19:11:07,522 INFO L280 TraceCheckUtils]: 32: Hoare triple {1098#true} assume 1 == ~n;#res := 1; {1098#true} is VALID [2020-07-28 19:11:07,522 INFO L280 TraceCheckUtils]: 33: Hoare triple {1098#true} assume true; {1098#true} is VALID [2020-07-28 19:11:07,522 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {1098#true} {1098#true} #36#return; {1098#true} is VALID [2020-07-28 19:11:07,522 INFO L280 TraceCheckUtils]: 35: Hoare triple {1098#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1098#true} is VALID [2020-07-28 19:11:07,523 INFO L280 TraceCheckUtils]: 36: Hoare triple {1098#true} assume true; {1098#true} is VALID [2020-07-28 19:11:07,529 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {1098#true} {1265#(<= |fibo_#in~n| fibo_~n)} #34#return; {1265#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-28 19:11:07,530 INFO L280 TraceCheckUtils]: 38: Hoare triple {1265#(<= |fibo_#in~n| fibo_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1265#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-28 19:11:07,530 INFO L263 TraceCheckUtils]: 39: Hoare triple {1265#(<= |fibo_#in~n| fibo_~n)} call #t~ret1 := fibo(~n - 2); {1098#true} is VALID [2020-07-28 19:11:07,530 INFO L280 TraceCheckUtils]: 40: Hoare triple {1098#true} ~n := #in~n; {1265#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-28 19:11:07,531 INFO L280 TraceCheckUtils]: 41: Hoare triple {1265#(<= |fibo_#in~n| fibo_~n)} assume !(~n < 1); {1265#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-28 19:11:07,531 INFO L280 TraceCheckUtils]: 42: Hoare triple {1265#(<= |fibo_#in~n| fibo_~n)} assume !(1 == ~n); {1265#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-28 19:11:07,531 INFO L263 TraceCheckUtils]: 43: Hoare triple {1265#(<= |fibo_#in~n| fibo_~n)} call #t~ret0 := fibo(~n - 1); {1098#true} is VALID [2020-07-28 19:11:07,532 INFO L280 TraceCheckUtils]: 44: Hoare triple {1098#true} ~n := #in~n; {1098#true} is VALID [2020-07-28 19:11:07,532 INFO L280 TraceCheckUtils]: 45: Hoare triple {1098#true} assume !(~n < 1); {1098#true} is VALID [2020-07-28 19:11:07,532 INFO L280 TraceCheckUtils]: 46: Hoare triple {1098#true} assume 1 == ~n;#res := 1; {1098#true} is VALID [2020-07-28 19:11:07,532 INFO L280 TraceCheckUtils]: 47: Hoare triple {1098#true} assume true; {1098#true} is VALID [2020-07-28 19:11:07,534 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {1098#true} {1265#(<= |fibo_#in~n| fibo_~n)} #34#return; {1265#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-28 19:11:07,536 INFO L280 TraceCheckUtils]: 49: Hoare triple {1265#(<= |fibo_#in~n| fibo_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1265#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-28 19:11:07,536 INFO L263 TraceCheckUtils]: 50: Hoare triple {1265#(<= |fibo_#in~n| fibo_~n)} call #t~ret1 := fibo(~n - 2); {1098#true} is VALID [2020-07-28 19:11:07,537 INFO L280 TraceCheckUtils]: 51: Hoare triple {1098#true} ~n := #in~n; {1265#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-28 19:11:07,537 INFO L280 TraceCheckUtils]: 52: Hoare triple {1265#(<= |fibo_#in~n| fibo_~n)} assume ~n < 1;#res := 0; {1416#(<= |fibo_#in~n| 0)} is VALID [2020-07-28 19:11:07,538 INFO L280 TraceCheckUtils]: 53: Hoare triple {1416#(<= |fibo_#in~n| 0)} assume true; {1416#(<= |fibo_#in~n| 0)} is VALID [2020-07-28 19:11:07,538 INFO L275 TraceCheckUtils]: 54: Hoare quadruple {1416#(<= |fibo_#in~n| 0)} {1265#(<= |fibo_#in~n| fibo_~n)} #36#return; {1241#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:07,539 INFO L280 TraceCheckUtils]: 55: Hoare triple {1241#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1241#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:07,540 INFO L280 TraceCheckUtils]: 56: Hoare triple {1241#(<= |fibo_#in~n| 2)} assume true; {1241#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:07,541 INFO L275 TraceCheckUtils]: 57: Hoare quadruple {1241#(<= |fibo_#in~n| 2)} {1265#(<= |fibo_#in~n| fibo_~n)} #36#return; {1193#(<= |fibo_#in~n| 4)} is VALID [2020-07-28 19:11:07,541 INFO L280 TraceCheckUtils]: 58: Hoare triple {1193#(<= |fibo_#in~n| 4)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1193#(<= |fibo_#in~n| 4)} is VALID [2020-07-28 19:11:07,542 INFO L280 TraceCheckUtils]: 59: Hoare triple {1193#(<= |fibo_#in~n| 4)} assume true; {1193#(<= |fibo_#in~n| 4)} is VALID [2020-07-28 19:11:07,547 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {1193#(<= |fibo_#in~n| 4)} {1100#(<= 5 ULTIMATE.start_main_~x~0)} #32#return; {1099#false} is VALID [2020-07-28 19:11:07,548 INFO L280 TraceCheckUtils]: 61: Hoare triple {1099#false} assume -2147483648 <= main_#t~ret2 && main_#t~ret2 <= 2147483647;main_~result~0 := main_#t~ret2;havoc main_#t~ret2; {1099#false} is VALID [2020-07-28 19:11:07,548 INFO L280 TraceCheckUtils]: 62: Hoare triple {1099#false} assume 5 != main_~result~0; {1099#false} is VALID [2020-07-28 19:11:07,548 INFO L280 TraceCheckUtils]: 63: Hoare triple {1099#false} assume !false; {1099#false} is VALID [2020-07-28 19:11:07,552 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 65 proven. 22 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2020-07-28 19:11:07,552 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-28 19:11:07,552 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2020-07-28 19:11:07,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388771158] [2020-07-28 19:11:07,553 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 64 [2020-07-28 19:11:07,558 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:11:07,558 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2020-07-28 19:11:07,611 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:11:07,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-28 19:11:07,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:11:07,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-28 19:11:07,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-07-28 19:11:07,612 INFO L87 Difference]: Start difference. First operand 37 states and 45 transitions. Second operand 10 states. [2020-07-28 19:11:08,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:11:08,061 INFO L93 Difference]: Finished difference Result 84 states and 123 transitions. [2020-07-28 19:11:08,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-28 19:11:08,062 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 64 [2020-07-28 19:11:08,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:11:08,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-28 19:11:08,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 82 transitions. [2020-07-28 19:11:08,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-28 19:11:08,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 82 transitions. [2020-07-28 19:11:08,070 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 82 transitions. [2020-07-28 19:11:08,189 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 82 edges. 82 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:11:08,193 INFO L225 Difference]: With dead ends: 84 [2020-07-28 19:11:08,193 INFO L226 Difference]: Without dead ends: 49 [2020-07-28 19:11:08,194 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-07-28 19:11:08,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-07-28 19:11:08,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 46. [2020-07-28 19:11:08,223 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:11:08,223 INFO L82 GeneralOperation]: Start isEquivalent. First operand 49 states. Second operand 46 states. [2020-07-28 19:11:08,223 INFO L74 IsIncluded]: Start isIncluded. First operand 49 states. Second operand 46 states. [2020-07-28 19:11:08,223 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 46 states. [2020-07-28 19:11:08,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:11:08,227 INFO L93 Difference]: Finished difference Result 49 states and 64 transitions. [2020-07-28 19:11:08,227 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2020-07-28 19:11:08,228 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:11:08,228 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:11:08,228 INFO L74 IsIncluded]: Start isIncluded. First operand 46 states. Second operand 49 states. [2020-07-28 19:11:08,228 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 49 states. [2020-07-28 19:11:08,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:11:08,232 INFO L93 Difference]: Finished difference Result 49 states and 64 transitions. [2020-07-28 19:11:08,232 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2020-07-28 19:11:08,233 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:11:08,233 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:11:08,233 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:11:08,233 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:11:08,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-07-28 19:11:08,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 60 transitions. [2020-07-28 19:11:08,236 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 60 transitions. Word has length 64 [2020-07-28 19:11:08,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:11:08,237 INFO L479 AbstractCegarLoop]: Abstraction has 46 states and 60 transitions. [2020-07-28 19:11:08,237 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-28 19:11:08,237 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2020-07-28 19:11:08,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-07-28 19:11:08,239 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:11:08,239 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 14, 8, 8, 8, 8, 8, 8, 8, 6, 3, 1, 1, 1, 1, 1, 1] [2020-07-28 19:11:08,453 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 19:11:08,454 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:11:08,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:11:08,455 INFO L82 PathProgramCache]: Analyzing trace with hash -260882073, now seen corresponding path program 4 times [2020-07-28 19:11:08,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:11:08,456 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296705321] [2020-07-28 19:11:08,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:11:08,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:08,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-07-28 19:11:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:08,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-07-28 19:11:08,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:08,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-07-28 19:11:08,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:08,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-07-28 19:11:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:08,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-07-28 19:11:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:08,775 INFO L280 TraceCheckUtils]: 0: Hoare triple {1721#true} ~n := #in~n; {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:08,776 INFO L280 TraceCheckUtils]: 1: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:08,777 INFO L280 TraceCheckUtils]: 2: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {2030#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:08,777 INFO L280 TraceCheckUtils]: 3: Hoare triple {2030#(<= |fibo_#in~n| 1)} assume true; {2030#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:08,779 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2030#(<= |fibo_#in~n| 1)} {1944#(= fibo_~n |fibo_#in~n|)} #34#return; {2025#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:08,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-07-28 19:11:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:08,784 INFO L280 TraceCheckUtils]: 0: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:08,784 INFO L280 TraceCheckUtils]: 1: Hoare triple {1721#true} assume ~n < 1;#res := 0; {1721#true} is VALID [2020-07-28 19:11:08,785 INFO L280 TraceCheckUtils]: 2: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:08,786 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1721#true} {2025#(<= |fibo_#in~n| 2)} #36#return; {2025#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:08,787 INFO L280 TraceCheckUtils]: 0: Hoare triple {1721#true} ~n := #in~n; {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:08,787 INFO L280 TraceCheckUtils]: 1: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:08,788 INFO L280 TraceCheckUtils]: 2: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:08,788 INFO L263 TraceCheckUtils]: 3: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1721#true} is VALID [2020-07-28 19:11:08,789 INFO L280 TraceCheckUtils]: 4: Hoare triple {1721#true} ~n := #in~n; {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:08,790 INFO L280 TraceCheckUtils]: 5: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:08,790 INFO L280 TraceCheckUtils]: 6: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {2030#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:08,791 INFO L280 TraceCheckUtils]: 7: Hoare triple {2030#(<= |fibo_#in~n| 1)} assume true; {2030#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:08,792 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {2030#(<= |fibo_#in~n| 1)} {1944#(= fibo_~n |fibo_#in~n|)} #34#return; {2025#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:08,793 INFO L280 TraceCheckUtils]: 9: Hoare triple {2025#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2025#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:08,793 INFO L263 TraceCheckUtils]: 10: Hoare triple {2025#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {1721#true} is VALID [2020-07-28 19:11:08,794 INFO L280 TraceCheckUtils]: 11: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:08,794 INFO L280 TraceCheckUtils]: 12: Hoare triple {1721#true} assume ~n < 1;#res := 0; {1721#true} is VALID [2020-07-28 19:11:08,794 INFO L280 TraceCheckUtils]: 13: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:08,795 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {1721#true} {2025#(<= |fibo_#in~n| 2)} #36#return; {2025#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:08,796 INFO L280 TraceCheckUtils]: 15: Hoare triple {2025#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2025#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:08,796 INFO L280 TraceCheckUtils]: 16: Hoare triple {2025#(<= |fibo_#in~n| 2)} assume true; {2025#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:08,798 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {2025#(<= |fibo_#in~n| 2)} {1944#(= fibo_~n |fibo_#in~n|)} #34#return; {2014#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:08,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-07-28 19:11:08,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:08,803 INFO L280 TraceCheckUtils]: 0: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:08,803 INFO L280 TraceCheckUtils]: 1: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:08,804 INFO L280 TraceCheckUtils]: 2: Hoare triple {1721#true} assume 1 == ~n;#res := 1; {1721#true} is VALID [2020-07-28 19:11:08,804 INFO L280 TraceCheckUtils]: 3: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:08,805 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1721#true} {2014#(<= |fibo_#in~n| 3)} #36#return; {2014#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:08,806 INFO L280 TraceCheckUtils]: 0: Hoare triple {1721#true} ~n := #in~n; {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:08,806 INFO L280 TraceCheckUtils]: 1: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:08,807 INFO L280 TraceCheckUtils]: 2: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:08,807 INFO L263 TraceCheckUtils]: 3: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1721#true} is VALID [2020-07-28 19:11:08,808 INFO L280 TraceCheckUtils]: 4: Hoare triple {1721#true} ~n := #in~n; {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:08,808 INFO L280 TraceCheckUtils]: 5: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:08,809 INFO L280 TraceCheckUtils]: 6: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:08,809 INFO L263 TraceCheckUtils]: 7: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1721#true} is VALID [2020-07-28 19:11:08,810 INFO L280 TraceCheckUtils]: 8: Hoare triple {1721#true} ~n := #in~n; {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:08,810 INFO L280 TraceCheckUtils]: 9: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:08,811 INFO L280 TraceCheckUtils]: 10: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {2030#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:08,812 INFO L280 TraceCheckUtils]: 11: Hoare triple {2030#(<= |fibo_#in~n| 1)} assume true; {2030#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:08,813 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {2030#(<= |fibo_#in~n| 1)} {1944#(= fibo_~n |fibo_#in~n|)} #34#return; {2025#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:08,814 INFO L280 TraceCheckUtils]: 13: Hoare triple {2025#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2025#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:08,814 INFO L263 TraceCheckUtils]: 14: Hoare triple {2025#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {1721#true} is VALID [2020-07-28 19:11:08,814 INFO L280 TraceCheckUtils]: 15: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:08,814 INFO L280 TraceCheckUtils]: 16: Hoare triple {1721#true} assume ~n < 1;#res := 0; {1721#true} is VALID [2020-07-28 19:11:08,815 INFO L280 TraceCheckUtils]: 17: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:08,816 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {1721#true} {2025#(<= |fibo_#in~n| 2)} #36#return; {2025#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:08,816 INFO L280 TraceCheckUtils]: 19: Hoare triple {2025#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2025#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:08,817 INFO L280 TraceCheckUtils]: 20: Hoare triple {2025#(<= |fibo_#in~n| 2)} assume true; {2025#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:08,818 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {2025#(<= |fibo_#in~n| 2)} {1944#(= fibo_~n |fibo_#in~n|)} #34#return; {2014#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:08,819 INFO L280 TraceCheckUtils]: 22: Hoare triple {2014#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2014#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:08,819 INFO L263 TraceCheckUtils]: 23: Hoare triple {2014#(<= |fibo_#in~n| 3)} call #t~ret1 := fibo(~n - 2); {1721#true} is VALID [2020-07-28 19:11:08,819 INFO L280 TraceCheckUtils]: 24: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:08,819 INFO L280 TraceCheckUtils]: 25: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:08,819 INFO L280 TraceCheckUtils]: 26: Hoare triple {1721#true} assume 1 == ~n;#res := 1; {1721#true} is VALID [2020-07-28 19:11:08,820 INFO L280 TraceCheckUtils]: 27: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:08,820 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {1721#true} {2014#(<= |fibo_#in~n| 3)} #36#return; {2014#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:08,821 INFO L280 TraceCheckUtils]: 29: Hoare triple {2014#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2014#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:08,821 INFO L280 TraceCheckUtils]: 30: Hoare triple {2014#(<= |fibo_#in~n| 3)} assume true; {2014#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:08,822 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {2014#(<= |fibo_#in~n| 3)} {1944#(= fibo_~n |fibo_#in~n|)} #34#return; {1977#(<= |fibo_#in~n| 4)} is VALID [2020-07-28 19:11:08,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-07-28 19:11:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:08,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-07-28 19:11:08,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:08,845 INFO L280 TraceCheckUtils]: 0: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:08,846 INFO L280 TraceCheckUtils]: 1: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:08,846 INFO L280 TraceCheckUtils]: 2: Hoare triple {1721#true} assume 1 == ~n;#res := 1; {1721#true} is VALID [2020-07-28 19:11:08,846 INFO L280 TraceCheckUtils]: 3: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:08,846 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1721#true} {1721#true} #34#return; {1721#true} is VALID [2020-07-28 19:11:08,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-07-28 19:11:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:08,850 INFO L280 TraceCheckUtils]: 0: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:08,850 INFO L280 TraceCheckUtils]: 1: Hoare triple {1721#true} assume ~n < 1;#res := 0; {1721#true} is VALID [2020-07-28 19:11:08,850 INFO L280 TraceCheckUtils]: 2: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:08,850 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1721#true} {1721#true} #36#return; {1721#true} is VALID [2020-07-28 19:11:08,851 INFO L280 TraceCheckUtils]: 0: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:08,851 INFO L280 TraceCheckUtils]: 1: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:08,851 INFO L280 TraceCheckUtils]: 2: Hoare triple {1721#true} assume !(1 == ~n); {1721#true} is VALID [2020-07-28 19:11:08,851 INFO L263 TraceCheckUtils]: 3: Hoare triple {1721#true} call #t~ret0 := fibo(~n - 1); {1721#true} is VALID [2020-07-28 19:11:08,852 INFO L280 TraceCheckUtils]: 4: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:08,852 INFO L280 TraceCheckUtils]: 5: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:08,852 INFO L280 TraceCheckUtils]: 6: Hoare triple {1721#true} assume 1 == ~n;#res := 1; {1721#true} is VALID [2020-07-28 19:11:08,852 INFO L280 TraceCheckUtils]: 7: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:08,852 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1721#true} {1721#true} #34#return; {1721#true} is VALID [2020-07-28 19:11:08,853 INFO L280 TraceCheckUtils]: 9: Hoare triple {1721#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1721#true} is VALID [2020-07-28 19:11:08,853 INFO L263 TraceCheckUtils]: 10: Hoare triple {1721#true} call #t~ret1 := fibo(~n - 2); {1721#true} is VALID [2020-07-28 19:11:08,853 INFO L280 TraceCheckUtils]: 11: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:08,853 INFO L280 TraceCheckUtils]: 12: Hoare triple {1721#true} assume ~n < 1;#res := 0; {1721#true} is VALID [2020-07-28 19:11:08,853 INFO L280 TraceCheckUtils]: 13: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:08,853 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {1721#true} {1721#true} #36#return; {1721#true} is VALID [2020-07-28 19:11:08,854 INFO L280 TraceCheckUtils]: 15: Hoare triple {1721#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1721#true} is VALID [2020-07-28 19:11:08,854 INFO L280 TraceCheckUtils]: 16: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:08,855 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {1721#true} {1977#(<= |fibo_#in~n| 4)} #36#return; {1977#(<= |fibo_#in~n| 4)} is VALID [2020-07-28 19:11:08,856 INFO L280 TraceCheckUtils]: 0: Hoare triple {1721#true} ~n := #in~n; {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:08,858 INFO L280 TraceCheckUtils]: 1: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:08,859 INFO L280 TraceCheckUtils]: 2: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:08,859 INFO L263 TraceCheckUtils]: 3: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1721#true} is VALID [2020-07-28 19:11:08,860 INFO L280 TraceCheckUtils]: 4: Hoare triple {1721#true} ~n := #in~n; {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:08,861 INFO L280 TraceCheckUtils]: 5: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:08,863 INFO L280 TraceCheckUtils]: 6: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:08,864 INFO L263 TraceCheckUtils]: 7: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1721#true} is VALID [2020-07-28 19:11:08,864 INFO L280 TraceCheckUtils]: 8: Hoare triple {1721#true} ~n := #in~n; {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:08,865 INFO L280 TraceCheckUtils]: 9: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:08,865 INFO L280 TraceCheckUtils]: 10: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:08,865 INFO L263 TraceCheckUtils]: 11: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1721#true} is VALID [2020-07-28 19:11:08,866 INFO L280 TraceCheckUtils]: 12: Hoare triple {1721#true} ~n := #in~n; {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:08,866 INFO L280 TraceCheckUtils]: 13: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:08,867 INFO L280 TraceCheckUtils]: 14: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {2030#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:08,868 INFO L280 TraceCheckUtils]: 15: Hoare triple {2030#(<= |fibo_#in~n| 1)} assume true; {2030#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:08,869 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {2030#(<= |fibo_#in~n| 1)} {1944#(= fibo_~n |fibo_#in~n|)} #34#return; {2025#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:08,870 INFO L280 TraceCheckUtils]: 17: Hoare triple {2025#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2025#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:08,870 INFO L263 TraceCheckUtils]: 18: Hoare triple {2025#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {1721#true} is VALID [2020-07-28 19:11:08,870 INFO L280 TraceCheckUtils]: 19: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:08,870 INFO L280 TraceCheckUtils]: 20: Hoare triple {1721#true} assume ~n < 1;#res := 0; {1721#true} is VALID [2020-07-28 19:11:08,871 INFO L280 TraceCheckUtils]: 21: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:08,872 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {1721#true} {2025#(<= |fibo_#in~n| 2)} #36#return; {2025#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:08,872 INFO L280 TraceCheckUtils]: 23: Hoare triple {2025#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2025#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:08,873 INFO L280 TraceCheckUtils]: 24: Hoare triple {2025#(<= |fibo_#in~n| 2)} assume true; {2025#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:08,874 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {2025#(<= |fibo_#in~n| 2)} {1944#(= fibo_~n |fibo_#in~n|)} #34#return; {2014#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:08,875 INFO L280 TraceCheckUtils]: 26: Hoare triple {2014#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2014#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:08,875 INFO L263 TraceCheckUtils]: 27: Hoare triple {2014#(<= |fibo_#in~n| 3)} call #t~ret1 := fibo(~n - 2); {1721#true} is VALID [2020-07-28 19:11:08,875 INFO L280 TraceCheckUtils]: 28: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:08,875 INFO L280 TraceCheckUtils]: 29: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:08,875 INFO L280 TraceCheckUtils]: 30: Hoare triple {1721#true} assume 1 == ~n;#res := 1; {1721#true} is VALID [2020-07-28 19:11:08,876 INFO L280 TraceCheckUtils]: 31: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:08,877 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {1721#true} {2014#(<= |fibo_#in~n| 3)} #36#return; {2014#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:08,877 INFO L280 TraceCheckUtils]: 33: Hoare triple {2014#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2014#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:08,878 INFO L280 TraceCheckUtils]: 34: Hoare triple {2014#(<= |fibo_#in~n| 3)} assume true; {2014#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:08,879 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {2014#(<= |fibo_#in~n| 3)} {1944#(= fibo_~n |fibo_#in~n|)} #34#return; {1977#(<= |fibo_#in~n| 4)} is VALID [2020-07-28 19:11:08,880 INFO L280 TraceCheckUtils]: 36: Hoare triple {1977#(<= |fibo_#in~n| 4)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1977#(<= |fibo_#in~n| 4)} is VALID [2020-07-28 19:11:08,880 INFO L263 TraceCheckUtils]: 37: Hoare triple {1977#(<= |fibo_#in~n| 4)} call #t~ret1 := fibo(~n - 2); {1721#true} is VALID [2020-07-28 19:11:08,880 INFO L280 TraceCheckUtils]: 38: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:08,880 INFO L280 TraceCheckUtils]: 39: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:08,880 INFO L280 TraceCheckUtils]: 40: Hoare triple {1721#true} assume !(1 == ~n); {1721#true} is VALID [2020-07-28 19:11:08,881 INFO L263 TraceCheckUtils]: 41: Hoare triple {1721#true} call #t~ret0 := fibo(~n - 1); {1721#true} is VALID [2020-07-28 19:11:08,881 INFO L280 TraceCheckUtils]: 42: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:08,881 INFO L280 TraceCheckUtils]: 43: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:08,881 INFO L280 TraceCheckUtils]: 44: Hoare triple {1721#true} assume 1 == ~n;#res := 1; {1721#true} is VALID [2020-07-28 19:11:08,881 INFO L280 TraceCheckUtils]: 45: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:08,882 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {1721#true} {1721#true} #34#return; {1721#true} is VALID [2020-07-28 19:11:08,882 INFO L280 TraceCheckUtils]: 47: Hoare triple {1721#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1721#true} is VALID [2020-07-28 19:11:08,882 INFO L263 TraceCheckUtils]: 48: Hoare triple {1721#true} call #t~ret1 := fibo(~n - 2); {1721#true} is VALID [2020-07-28 19:11:08,882 INFO L280 TraceCheckUtils]: 49: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:08,882 INFO L280 TraceCheckUtils]: 50: Hoare triple {1721#true} assume ~n < 1;#res := 0; {1721#true} is VALID [2020-07-28 19:11:08,883 INFO L280 TraceCheckUtils]: 51: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:08,883 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {1721#true} {1721#true} #36#return; {1721#true} is VALID [2020-07-28 19:11:08,883 INFO L280 TraceCheckUtils]: 53: Hoare triple {1721#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1721#true} is VALID [2020-07-28 19:11:08,883 INFO L280 TraceCheckUtils]: 54: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:08,884 INFO L275 TraceCheckUtils]: 55: Hoare quadruple {1721#true} {1977#(<= |fibo_#in~n| 4)} #36#return; {1977#(<= |fibo_#in~n| 4)} is VALID [2020-07-28 19:11:08,885 INFO L280 TraceCheckUtils]: 56: Hoare triple {1977#(<= |fibo_#in~n| 4)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1977#(<= |fibo_#in~n| 4)} is VALID [2020-07-28 19:11:08,885 INFO L280 TraceCheckUtils]: 57: Hoare triple {1977#(<= |fibo_#in~n| 4)} assume true; {1977#(<= |fibo_#in~n| 4)} is VALID [2020-07-28 19:11:08,887 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {1977#(<= |fibo_#in~n| 4)} {1721#true} #34#return; {1897#(<= fibo_~n 5)} is VALID [2020-07-28 19:11:08,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-07-28 19:11:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:08,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-07-28 19:11:08,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:08,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-07-28 19:11:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:09,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-07-28 19:11:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:09,007 INFO L280 TraceCheckUtils]: 0: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:09,008 INFO L280 TraceCheckUtils]: 1: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:09,008 INFO L280 TraceCheckUtils]: 2: Hoare triple {1721#true} assume 1 == ~n;#res := 1; {1721#true} is VALID [2020-07-28 19:11:09,008 INFO L280 TraceCheckUtils]: 3: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:09,009 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1721#true} {2103#(<= 2 |fibo_#in~n|)} #34#return; {2103#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-07-28 19:11:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:09,014 INFO L280 TraceCheckUtils]: 0: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:09,014 INFO L280 TraceCheckUtils]: 1: Hoare triple {1721#true} assume ~n < 1;#res := 0; {1721#true} is VALID [2020-07-28 19:11:09,014 INFO L280 TraceCheckUtils]: 2: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:09,015 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1721#true} {2103#(<= 2 |fibo_#in~n|)} #36#return; {2103#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,016 INFO L280 TraceCheckUtils]: 0: Hoare triple {1721#true} ~n := #in~n; {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,017 INFO L280 TraceCheckUtils]: 1: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2102#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-28 19:11:09,018 INFO L280 TraceCheckUtils]: 2: Hoare triple {2102#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {2103#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,018 INFO L263 TraceCheckUtils]: 3: Hoare triple {2103#(<= 2 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1721#true} is VALID [2020-07-28 19:11:09,018 INFO L280 TraceCheckUtils]: 4: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:09,019 INFO L280 TraceCheckUtils]: 5: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:09,019 INFO L280 TraceCheckUtils]: 6: Hoare triple {1721#true} assume 1 == ~n;#res := 1; {1721#true} is VALID [2020-07-28 19:11:09,019 INFO L280 TraceCheckUtils]: 7: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:09,020 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1721#true} {2103#(<= 2 |fibo_#in~n|)} #34#return; {2103#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,021 INFO L280 TraceCheckUtils]: 9: Hoare triple {2103#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2103#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,021 INFO L263 TraceCheckUtils]: 10: Hoare triple {2103#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {1721#true} is VALID [2020-07-28 19:11:09,021 INFO L280 TraceCheckUtils]: 11: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:09,021 INFO L280 TraceCheckUtils]: 12: Hoare triple {1721#true} assume ~n < 1;#res := 0; {1721#true} is VALID [2020-07-28 19:11:09,022 INFO L280 TraceCheckUtils]: 13: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:09,023 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {1721#true} {2103#(<= 2 |fibo_#in~n|)} #36#return; {2103#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,023 INFO L280 TraceCheckUtils]: 15: Hoare triple {2103#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2103#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,024 INFO L280 TraceCheckUtils]: 16: Hoare triple {2103#(<= 2 |fibo_#in~n|)} assume true; {2103#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,026 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {2103#(<= 2 |fibo_#in~n|)} {1944#(= fibo_~n |fibo_#in~n|)} #34#return; {2096#(<= 3 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-07-28 19:11:09,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:09,033 INFO L280 TraceCheckUtils]: 0: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:09,033 INFO L280 TraceCheckUtils]: 1: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:09,033 INFO L280 TraceCheckUtils]: 2: Hoare triple {1721#true} assume 1 == ~n;#res := 1; {1721#true} is VALID [2020-07-28 19:11:09,034 INFO L280 TraceCheckUtils]: 3: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:09,035 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1721#true} {2096#(<= 3 |fibo_#in~n|)} #36#return; {2096#(<= 3 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,036 INFO L280 TraceCheckUtils]: 0: Hoare triple {1721#true} ~n := #in~n; {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,037 INFO L280 TraceCheckUtils]: 1: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,038 INFO L280 TraceCheckUtils]: 2: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,038 INFO L263 TraceCheckUtils]: 3: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1721#true} is VALID [2020-07-28 19:11:09,040 INFO L280 TraceCheckUtils]: 4: Hoare triple {1721#true} ~n := #in~n; {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,044 INFO L280 TraceCheckUtils]: 5: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2102#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-28 19:11:09,045 INFO L280 TraceCheckUtils]: 6: Hoare triple {2102#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {2103#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,045 INFO L263 TraceCheckUtils]: 7: Hoare triple {2103#(<= 2 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1721#true} is VALID [2020-07-28 19:11:09,046 INFO L280 TraceCheckUtils]: 8: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:09,046 INFO L280 TraceCheckUtils]: 9: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:09,046 INFO L280 TraceCheckUtils]: 10: Hoare triple {1721#true} assume 1 == ~n;#res := 1; {1721#true} is VALID [2020-07-28 19:11:09,047 INFO L280 TraceCheckUtils]: 11: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:09,048 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {1721#true} {2103#(<= 2 |fibo_#in~n|)} #34#return; {2103#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,053 INFO L280 TraceCheckUtils]: 13: Hoare triple {2103#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2103#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,053 INFO L263 TraceCheckUtils]: 14: Hoare triple {2103#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {1721#true} is VALID [2020-07-28 19:11:09,053 INFO L280 TraceCheckUtils]: 15: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:09,054 INFO L280 TraceCheckUtils]: 16: Hoare triple {1721#true} assume ~n < 1;#res := 0; {1721#true} is VALID [2020-07-28 19:11:09,054 INFO L280 TraceCheckUtils]: 17: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:09,055 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {1721#true} {2103#(<= 2 |fibo_#in~n|)} #36#return; {2103#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,056 INFO L280 TraceCheckUtils]: 19: Hoare triple {2103#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2103#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,057 INFO L280 TraceCheckUtils]: 20: Hoare triple {2103#(<= 2 |fibo_#in~n|)} assume true; {2103#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,059 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {2103#(<= 2 |fibo_#in~n|)} {1944#(= fibo_~n |fibo_#in~n|)} #34#return; {2096#(<= 3 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,060 INFO L280 TraceCheckUtils]: 22: Hoare triple {2096#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2096#(<= 3 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,060 INFO L263 TraceCheckUtils]: 23: Hoare triple {2096#(<= 3 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {1721#true} is VALID [2020-07-28 19:11:09,061 INFO L280 TraceCheckUtils]: 24: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:09,061 INFO L280 TraceCheckUtils]: 25: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:09,061 INFO L280 TraceCheckUtils]: 26: Hoare triple {1721#true} assume 1 == ~n;#res := 1; {1721#true} is VALID [2020-07-28 19:11:09,061 INFO L280 TraceCheckUtils]: 27: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:09,063 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {1721#true} {2096#(<= 3 |fibo_#in~n|)} #36#return; {2096#(<= 3 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,064 INFO L280 TraceCheckUtils]: 29: Hoare triple {2096#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2096#(<= 3 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,065 INFO L280 TraceCheckUtils]: 30: Hoare triple {2096#(<= 3 |fibo_#in~n|)} assume true; {2096#(<= 3 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,066 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {2096#(<= 3 |fibo_#in~n|)} {1944#(= fibo_~n |fibo_#in~n|)} #34#return; {2072#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-07-28 19:11:09,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:09,078 INFO L280 TraceCheckUtils]: 0: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:09,078 INFO L280 TraceCheckUtils]: 1: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:09,079 INFO L280 TraceCheckUtils]: 2: Hoare triple {1721#true} assume 1 == ~n;#res := 1; {1721#true} is VALID [2020-07-28 19:11:09,079 INFO L280 TraceCheckUtils]: 3: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:09,086 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1721#true} {2072#(<= 4 |fibo_#in~n|)} #36#return; {2072#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,087 INFO L280 TraceCheckUtils]: 0: Hoare triple {1721#true} ~n := #in~n; {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,088 INFO L280 TraceCheckUtils]: 1: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,089 INFO L280 TraceCheckUtils]: 2: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,089 INFO L263 TraceCheckUtils]: 3: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1721#true} is VALID [2020-07-28 19:11:09,089 INFO L280 TraceCheckUtils]: 4: Hoare triple {1721#true} ~n := #in~n; {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,090 INFO L280 TraceCheckUtils]: 5: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,091 INFO L280 TraceCheckUtils]: 6: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,091 INFO L263 TraceCheckUtils]: 7: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1721#true} is VALID [2020-07-28 19:11:09,092 INFO L280 TraceCheckUtils]: 8: Hoare triple {1721#true} ~n := #in~n; {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,093 INFO L280 TraceCheckUtils]: 9: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2102#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-28 19:11:09,095 INFO L280 TraceCheckUtils]: 10: Hoare triple {2102#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {2103#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,095 INFO L263 TraceCheckUtils]: 11: Hoare triple {2103#(<= 2 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1721#true} is VALID [2020-07-28 19:11:09,095 INFO L280 TraceCheckUtils]: 12: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:09,096 INFO L280 TraceCheckUtils]: 13: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:09,096 INFO L280 TraceCheckUtils]: 14: Hoare triple {1721#true} assume 1 == ~n;#res := 1; {1721#true} is VALID [2020-07-28 19:11:09,096 INFO L280 TraceCheckUtils]: 15: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:09,098 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {1721#true} {2103#(<= 2 |fibo_#in~n|)} #34#return; {2103#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,099 INFO L280 TraceCheckUtils]: 17: Hoare triple {2103#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2103#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,099 INFO L263 TraceCheckUtils]: 18: Hoare triple {2103#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {1721#true} is VALID [2020-07-28 19:11:09,100 INFO L280 TraceCheckUtils]: 19: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:09,100 INFO L280 TraceCheckUtils]: 20: Hoare triple {1721#true} assume ~n < 1;#res := 0; {1721#true} is VALID [2020-07-28 19:11:09,100 INFO L280 TraceCheckUtils]: 21: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:09,102 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {1721#true} {2103#(<= 2 |fibo_#in~n|)} #36#return; {2103#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,103 INFO L280 TraceCheckUtils]: 23: Hoare triple {2103#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2103#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,103 INFO L280 TraceCheckUtils]: 24: Hoare triple {2103#(<= 2 |fibo_#in~n|)} assume true; {2103#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,105 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {2103#(<= 2 |fibo_#in~n|)} {1944#(= fibo_~n |fibo_#in~n|)} #34#return; {2096#(<= 3 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,106 INFO L280 TraceCheckUtils]: 26: Hoare triple {2096#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2096#(<= 3 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,107 INFO L263 TraceCheckUtils]: 27: Hoare triple {2096#(<= 3 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {1721#true} is VALID [2020-07-28 19:11:09,107 INFO L280 TraceCheckUtils]: 28: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:09,107 INFO L280 TraceCheckUtils]: 29: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:09,107 INFO L280 TraceCheckUtils]: 30: Hoare triple {1721#true} assume 1 == ~n;#res := 1; {1721#true} is VALID [2020-07-28 19:11:09,108 INFO L280 TraceCheckUtils]: 31: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:09,110 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {1721#true} {2096#(<= 3 |fibo_#in~n|)} #36#return; {2096#(<= 3 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,111 INFO L280 TraceCheckUtils]: 33: Hoare triple {2096#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2096#(<= 3 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,112 INFO L280 TraceCheckUtils]: 34: Hoare triple {2096#(<= 3 |fibo_#in~n|)} assume true; {2096#(<= 3 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,114 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {2096#(<= 3 |fibo_#in~n|)} {1944#(= fibo_~n |fibo_#in~n|)} #34#return; {2072#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,115 INFO L280 TraceCheckUtils]: 36: Hoare triple {2072#(<= 4 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2072#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,115 INFO L263 TraceCheckUtils]: 37: Hoare triple {2072#(<= 4 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {1721#true} is VALID [2020-07-28 19:11:09,115 INFO L280 TraceCheckUtils]: 38: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:09,116 INFO L280 TraceCheckUtils]: 39: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:09,116 INFO L280 TraceCheckUtils]: 40: Hoare triple {1721#true} assume 1 == ~n;#res := 1; {1721#true} is VALID [2020-07-28 19:11:09,117 INFO L280 TraceCheckUtils]: 41: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:09,118 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {1721#true} {2072#(<= 4 |fibo_#in~n|)} #36#return; {2072#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,119 INFO L280 TraceCheckUtils]: 43: Hoare triple {2072#(<= 4 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2072#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,121 INFO L280 TraceCheckUtils]: 44: Hoare triple {2072#(<= 4 |fibo_#in~n|)} assume true; {2072#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,122 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {2072#(<= 4 |fibo_#in~n|)} {1897#(<= fibo_~n 5)} #36#return; {1722#false} is VALID [2020-07-28 19:11:09,126 INFO L280 TraceCheckUtils]: 0: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:09,126 INFO L280 TraceCheckUtils]: 1: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:09,127 INFO L280 TraceCheckUtils]: 2: Hoare triple {1721#true} assume !(1 == ~n); {1721#true} is VALID [2020-07-28 19:11:09,127 INFO L263 TraceCheckUtils]: 3: Hoare triple {1721#true} call #t~ret0 := fibo(~n - 1); {1721#true} is VALID [2020-07-28 19:11:09,128 INFO L280 TraceCheckUtils]: 4: Hoare triple {1721#true} ~n := #in~n; {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,129 INFO L280 TraceCheckUtils]: 5: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,129 INFO L280 TraceCheckUtils]: 6: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,130 INFO L263 TraceCheckUtils]: 7: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1721#true} is VALID [2020-07-28 19:11:09,132 INFO L280 TraceCheckUtils]: 8: Hoare triple {1721#true} ~n := #in~n; {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,132 INFO L280 TraceCheckUtils]: 9: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,133 INFO L280 TraceCheckUtils]: 10: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,133 INFO L263 TraceCheckUtils]: 11: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1721#true} is VALID [2020-07-28 19:11:09,134 INFO L280 TraceCheckUtils]: 12: Hoare triple {1721#true} ~n := #in~n; {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,135 INFO L280 TraceCheckUtils]: 13: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,135 INFO L280 TraceCheckUtils]: 14: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,136 INFO L263 TraceCheckUtils]: 15: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1721#true} is VALID [2020-07-28 19:11:09,138 INFO L280 TraceCheckUtils]: 16: Hoare triple {1721#true} ~n := #in~n; {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,138 INFO L280 TraceCheckUtils]: 17: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,139 INFO L280 TraceCheckUtils]: 18: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {2030#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:09,140 INFO L280 TraceCheckUtils]: 19: Hoare triple {2030#(<= |fibo_#in~n| 1)} assume true; {2030#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:09,142 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {2030#(<= |fibo_#in~n| 1)} {1944#(= fibo_~n |fibo_#in~n|)} #34#return; {2025#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:09,143 INFO L280 TraceCheckUtils]: 21: Hoare triple {2025#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2025#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:09,143 INFO L263 TraceCheckUtils]: 22: Hoare triple {2025#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {1721#true} is VALID [2020-07-28 19:11:09,143 INFO L280 TraceCheckUtils]: 23: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:09,143 INFO L280 TraceCheckUtils]: 24: Hoare triple {1721#true} assume ~n < 1;#res := 0; {1721#true} is VALID [2020-07-28 19:11:09,143 INFO L280 TraceCheckUtils]: 25: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:09,145 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {1721#true} {2025#(<= |fibo_#in~n| 2)} #36#return; {2025#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:09,145 INFO L280 TraceCheckUtils]: 27: Hoare triple {2025#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2025#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:09,146 INFO L280 TraceCheckUtils]: 28: Hoare triple {2025#(<= |fibo_#in~n| 2)} assume true; {2025#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:09,148 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {2025#(<= |fibo_#in~n| 2)} {1944#(= fibo_~n |fibo_#in~n|)} #34#return; {2014#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:09,149 INFO L280 TraceCheckUtils]: 30: Hoare triple {2014#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2014#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:09,149 INFO L263 TraceCheckUtils]: 31: Hoare triple {2014#(<= |fibo_#in~n| 3)} call #t~ret1 := fibo(~n - 2); {1721#true} is VALID [2020-07-28 19:11:09,149 INFO L280 TraceCheckUtils]: 32: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:09,150 INFO L280 TraceCheckUtils]: 33: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:09,150 INFO L280 TraceCheckUtils]: 34: Hoare triple {1721#true} assume 1 == ~n;#res := 1; {1721#true} is VALID [2020-07-28 19:11:09,150 INFO L280 TraceCheckUtils]: 35: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:09,152 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {1721#true} {2014#(<= |fibo_#in~n| 3)} #36#return; {2014#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:09,153 INFO L280 TraceCheckUtils]: 37: Hoare triple {2014#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2014#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:09,154 INFO L280 TraceCheckUtils]: 38: Hoare triple {2014#(<= |fibo_#in~n| 3)} assume true; {2014#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:09,156 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {2014#(<= |fibo_#in~n| 3)} {1944#(= fibo_~n |fibo_#in~n|)} #34#return; {1977#(<= |fibo_#in~n| 4)} is VALID [2020-07-28 19:11:09,157 INFO L280 TraceCheckUtils]: 40: Hoare triple {1977#(<= |fibo_#in~n| 4)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1977#(<= |fibo_#in~n| 4)} is VALID [2020-07-28 19:11:09,158 INFO L263 TraceCheckUtils]: 41: Hoare triple {1977#(<= |fibo_#in~n| 4)} call #t~ret1 := fibo(~n - 2); {1721#true} is VALID [2020-07-28 19:11:09,158 INFO L280 TraceCheckUtils]: 42: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:09,158 INFO L280 TraceCheckUtils]: 43: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:09,159 INFO L280 TraceCheckUtils]: 44: Hoare triple {1721#true} assume !(1 == ~n); {1721#true} is VALID [2020-07-28 19:11:09,159 INFO L263 TraceCheckUtils]: 45: Hoare triple {1721#true} call #t~ret0 := fibo(~n - 1); {1721#true} is VALID [2020-07-28 19:11:09,159 INFO L280 TraceCheckUtils]: 46: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:09,159 INFO L280 TraceCheckUtils]: 47: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:09,160 INFO L280 TraceCheckUtils]: 48: Hoare triple {1721#true} assume 1 == ~n;#res := 1; {1721#true} is VALID [2020-07-28 19:11:09,160 INFO L280 TraceCheckUtils]: 49: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:09,160 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {1721#true} {1721#true} #34#return; {1721#true} is VALID [2020-07-28 19:11:09,161 INFO L280 TraceCheckUtils]: 51: Hoare triple {1721#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1721#true} is VALID [2020-07-28 19:11:09,161 INFO L263 TraceCheckUtils]: 52: Hoare triple {1721#true} call #t~ret1 := fibo(~n - 2); {1721#true} is VALID [2020-07-28 19:11:09,161 INFO L280 TraceCheckUtils]: 53: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:09,162 INFO L280 TraceCheckUtils]: 54: Hoare triple {1721#true} assume ~n < 1;#res := 0; {1721#true} is VALID [2020-07-28 19:11:09,162 INFO L280 TraceCheckUtils]: 55: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:09,162 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {1721#true} {1721#true} #36#return; {1721#true} is VALID [2020-07-28 19:11:09,163 INFO L280 TraceCheckUtils]: 57: Hoare triple {1721#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1721#true} is VALID [2020-07-28 19:11:09,163 INFO L280 TraceCheckUtils]: 58: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:09,167 INFO L275 TraceCheckUtils]: 59: Hoare quadruple {1721#true} {1977#(<= |fibo_#in~n| 4)} #36#return; {1977#(<= |fibo_#in~n| 4)} is VALID [2020-07-28 19:11:09,168 INFO L280 TraceCheckUtils]: 60: Hoare triple {1977#(<= |fibo_#in~n| 4)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1977#(<= |fibo_#in~n| 4)} is VALID [2020-07-28 19:11:09,169 INFO L280 TraceCheckUtils]: 61: Hoare triple {1977#(<= |fibo_#in~n| 4)} assume true; {1977#(<= |fibo_#in~n| 4)} is VALID [2020-07-28 19:11:09,171 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {1977#(<= |fibo_#in~n| 4)} {1721#true} #34#return; {1897#(<= fibo_~n 5)} is VALID [2020-07-28 19:11:09,171 INFO L280 TraceCheckUtils]: 63: Hoare triple {1897#(<= fibo_~n 5)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1897#(<= fibo_~n 5)} is VALID [2020-07-28 19:11:09,172 INFO L263 TraceCheckUtils]: 64: Hoare triple {1897#(<= fibo_~n 5)} call #t~ret1 := fibo(~n - 2); {1721#true} is VALID [2020-07-28 19:11:09,173 INFO L280 TraceCheckUtils]: 65: Hoare triple {1721#true} ~n := #in~n; {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,174 INFO L280 TraceCheckUtils]: 66: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,174 INFO L280 TraceCheckUtils]: 67: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,175 INFO L263 TraceCheckUtils]: 68: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1721#true} is VALID [2020-07-28 19:11:09,176 INFO L280 TraceCheckUtils]: 69: Hoare triple {1721#true} ~n := #in~n; {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,176 INFO L280 TraceCheckUtils]: 70: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,177 INFO L280 TraceCheckUtils]: 71: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,177 INFO L263 TraceCheckUtils]: 72: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1721#true} is VALID [2020-07-28 19:11:09,178 INFO L280 TraceCheckUtils]: 73: Hoare triple {1721#true} ~n := #in~n; {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,179 INFO L280 TraceCheckUtils]: 74: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2102#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-28 19:11:09,181 INFO L280 TraceCheckUtils]: 75: Hoare triple {2102#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {2103#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,181 INFO L263 TraceCheckUtils]: 76: Hoare triple {2103#(<= 2 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1721#true} is VALID [2020-07-28 19:11:09,181 INFO L280 TraceCheckUtils]: 77: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:09,181 INFO L280 TraceCheckUtils]: 78: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:09,182 INFO L280 TraceCheckUtils]: 79: Hoare triple {1721#true} assume 1 == ~n;#res := 1; {1721#true} is VALID [2020-07-28 19:11:09,182 INFO L280 TraceCheckUtils]: 80: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:09,184 INFO L275 TraceCheckUtils]: 81: Hoare quadruple {1721#true} {2103#(<= 2 |fibo_#in~n|)} #34#return; {2103#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,184 INFO L280 TraceCheckUtils]: 82: Hoare triple {2103#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2103#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,185 INFO L263 TraceCheckUtils]: 83: Hoare triple {2103#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {1721#true} is VALID [2020-07-28 19:11:09,185 INFO L280 TraceCheckUtils]: 84: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:09,185 INFO L280 TraceCheckUtils]: 85: Hoare triple {1721#true} assume ~n < 1;#res := 0; {1721#true} is VALID [2020-07-28 19:11:09,186 INFO L280 TraceCheckUtils]: 86: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:09,188 INFO L275 TraceCheckUtils]: 87: Hoare quadruple {1721#true} {2103#(<= 2 |fibo_#in~n|)} #36#return; {2103#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,189 INFO L280 TraceCheckUtils]: 88: Hoare triple {2103#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2103#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,190 INFO L280 TraceCheckUtils]: 89: Hoare triple {2103#(<= 2 |fibo_#in~n|)} assume true; {2103#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,191 INFO L275 TraceCheckUtils]: 90: Hoare quadruple {2103#(<= 2 |fibo_#in~n|)} {1944#(= fibo_~n |fibo_#in~n|)} #34#return; {2096#(<= 3 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,192 INFO L280 TraceCheckUtils]: 91: Hoare triple {2096#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2096#(<= 3 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,193 INFO L263 TraceCheckUtils]: 92: Hoare triple {2096#(<= 3 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {1721#true} is VALID [2020-07-28 19:11:09,193 INFO L280 TraceCheckUtils]: 93: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:09,194 INFO L280 TraceCheckUtils]: 94: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:09,194 INFO L280 TraceCheckUtils]: 95: Hoare triple {1721#true} assume 1 == ~n;#res := 1; {1721#true} is VALID [2020-07-28 19:11:09,194 INFO L280 TraceCheckUtils]: 96: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:09,196 INFO L275 TraceCheckUtils]: 97: Hoare quadruple {1721#true} {2096#(<= 3 |fibo_#in~n|)} #36#return; {2096#(<= 3 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,197 INFO L280 TraceCheckUtils]: 98: Hoare triple {2096#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2096#(<= 3 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,198 INFO L280 TraceCheckUtils]: 99: Hoare triple {2096#(<= 3 |fibo_#in~n|)} assume true; {2096#(<= 3 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,200 INFO L275 TraceCheckUtils]: 100: Hoare quadruple {2096#(<= 3 |fibo_#in~n|)} {1944#(= fibo_~n |fibo_#in~n|)} #34#return; {2072#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,201 INFO L280 TraceCheckUtils]: 101: Hoare triple {2072#(<= 4 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2072#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,201 INFO L263 TraceCheckUtils]: 102: Hoare triple {2072#(<= 4 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {1721#true} is VALID [2020-07-28 19:11:09,202 INFO L280 TraceCheckUtils]: 103: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:09,202 INFO L280 TraceCheckUtils]: 104: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:09,202 INFO L280 TraceCheckUtils]: 105: Hoare triple {1721#true} assume 1 == ~n;#res := 1; {1721#true} is VALID [2020-07-28 19:11:09,202 INFO L280 TraceCheckUtils]: 106: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:09,204 INFO L275 TraceCheckUtils]: 107: Hoare quadruple {1721#true} {2072#(<= 4 |fibo_#in~n|)} #36#return; {2072#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,205 INFO L280 TraceCheckUtils]: 108: Hoare triple {2072#(<= 4 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2072#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,205 INFO L280 TraceCheckUtils]: 109: Hoare triple {2072#(<= 4 |fibo_#in~n|)} assume true; {2072#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,206 INFO L275 TraceCheckUtils]: 110: Hoare quadruple {2072#(<= 4 |fibo_#in~n|)} {1897#(<= fibo_~n 5)} #36#return; {1722#false} is VALID [2020-07-28 19:11:09,207 INFO L280 TraceCheckUtils]: 111: Hoare triple {1722#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1722#false} is VALID [2020-07-28 19:11:09,207 INFO L280 TraceCheckUtils]: 112: Hoare triple {1722#false} assume true; {1722#false} is VALID [2020-07-28 19:11:09,207 INFO L275 TraceCheckUtils]: 113: Hoare quadruple {1722#false} {1723#(<= ULTIMATE.start_main_~x~0 5)} #32#return; {1722#false} is VALID [2020-07-28 19:11:09,229 INFO L280 TraceCheckUtils]: 0: Hoare triple {1721#true} havoc main_#res;havoc main_#t~ret2, main_~x~0, main_~result~0;main_~x~0 := 5; {1723#(<= ULTIMATE.start_main_~x~0 5)} is VALID [2020-07-28 19:11:09,230 INFO L263 TraceCheckUtils]: 1: Hoare triple {1723#(<= ULTIMATE.start_main_~x~0 5)} call main_#t~ret2 := fibo(main_~x~0); {1721#true} is VALID [2020-07-28 19:11:09,230 INFO L280 TraceCheckUtils]: 2: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:09,230 INFO L280 TraceCheckUtils]: 3: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:09,230 INFO L280 TraceCheckUtils]: 4: Hoare triple {1721#true} assume !(1 == ~n); {1721#true} is VALID [2020-07-28 19:11:09,230 INFO L263 TraceCheckUtils]: 5: Hoare triple {1721#true} call #t~ret0 := fibo(~n - 1); {1721#true} is VALID [2020-07-28 19:11:09,232 INFO L280 TraceCheckUtils]: 6: Hoare triple {1721#true} ~n := #in~n; {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,232 INFO L280 TraceCheckUtils]: 7: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,233 INFO L280 TraceCheckUtils]: 8: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,234 INFO L263 TraceCheckUtils]: 9: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1721#true} is VALID [2020-07-28 19:11:09,234 INFO L280 TraceCheckUtils]: 10: Hoare triple {1721#true} ~n := #in~n; {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,235 INFO L280 TraceCheckUtils]: 11: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,236 INFO L280 TraceCheckUtils]: 12: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,236 INFO L263 TraceCheckUtils]: 13: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1721#true} is VALID [2020-07-28 19:11:09,237 INFO L280 TraceCheckUtils]: 14: Hoare triple {1721#true} ~n := #in~n; {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,238 INFO L280 TraceCheckUtils]: 15: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,239 INFO L280 TraceCheckUtils]: 16: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,239 INFO L263 TraceCheckUtils]: 17: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1721#true} is VALID [2020-07-28 19:11:09,240 INFO L280 TraceCheckUtils]: 18: Hoare triple {1721#true} ~n := #in~n; {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,241 INFO L280 TraceCheckUtils]: 19: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,241 INFO L280 TraceCheckUtils]: 20: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {2030#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:09,242 INFO L280 TraceCheckUtils]: 21: Hoare triple {2030#(<= |fibo_#in~n| 1)} assume true; {2030#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:09,244 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {2030#(<= |fibo_#in~n| 1)} {1944#(= fibo_~n |fibo_#in~n|)} #34#return; {2025#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:09,245 INFO L280 TraceCheckUtils]: 23: Hoare triple {2025#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2025#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:09,245 INFO L263 TraceCheckUtils]: 24: Hoare triple {2025#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {1721#true} is VALID [2020-07-28 19:11:09,245 INFO L280 TraceCheckUtils]: 25: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:09,246 INFO L280 TraceCheckUtils]: 26: Hoare triple {1721#true} assume ~n < 1;#res := 0; {1721#true} is VALID [2020-07-28 19:11:09,246 INFO L280 TraceCheckUtils]: 27: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:09,248 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {1721#true} {2025#(<= |fibo_#in~n| 2)} #36#return; {2025#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:09,248 INFO L280 TraceCheckUtils]: 29: Hoare triple {2025#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2025#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:09,249 INFO L280 TraceCheckUtils]: 30: Hoare triple {2025#(<= |fibo_#in~n| 2)} assume true; {2025#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:09,251 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {2025#(<= |fibo_#in~n| 2)} {1944#(= fibo_~n |fibo_#in~n|)} #34#return; {2014#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:09,252 INFO L280 TraceCheckUtils]: 32: Hoare triple {2014#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2014#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:09,252 INFO L263 TraceCheckUtils]: 33: Hoare triple {2014#(<= |fibo_#in~n| 3)} call #t~ret1 := fibo(~n - 2); {1721#true} is VALID [2020-07-28 19:11:09,252 INFO L280 TraceCheckUtils]: 34: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:09,253 INFO L280 TraceCheckUtils]: 35: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:09,253 INFO L280 TraceCheckUtils]: 36: Hoare triple {1721#true} assume 1 == ~n;#res := 1; {1721#true} is VALID [2020-07-28 19:11:09,253 INFO L280 TraceCheckUtils]: 37: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:09,259 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {1721#true} {2014#(<= |fibo_#in~n| 3)} #36#return; {2014#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:09,260 INFO L280 TraceCheckUtils]: 39: Hoare triple {2014#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2014#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:09,261 INFO L280 TraceCheckUtils]: 40: Hoare triple {2014#(<= |fibo_#in~n| 3)} assume true; {2014#(<= |fibo_#in~n| 3)} is VALID [2020-07-28 19:11:09,268 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {2014#(<= |fibo_#in~n| 3)} {1944#(= fibo_~n |fibo_#in~n|)} #34#return; {1977#(<= |fibo_#in~n| 4)} is VALID [2020-07-28 19:11:09,269 INFO L280 TraceCheckUtils]: 42: Hoare triple {1977#(<= |fibo_#in~n| 4)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1977#(<= |fibo_#in~n| 4)} is VALID [2020-07-28 19:11:09,269 INFO L263 TraceCheckUtils]: 43: Hoare triple {1977#(<= |fibo_#in~n| 4)} call #t~ret1 := fibo(~n - 2); {1721#true} is VALID [2020-07-28 19:11:09,269 INFO L280 TraceCheckUtils]: 44: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:09,269 INFO L280 TraceCheckUtils]: 45: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:09,270 INFO L280 TraceCheckUtils]: 46: Hoare triple {1721#true} assume !(1 == ~n); {1721#true} is VALID [2020-07-28 19:11:09,270 INFO L263 TraceCheckUtils]: 47: Hoare triple {1721#true} call #t~ret0 := fibo(~n - 1); {1721#true} is VALID [2020-07-28 19:11:09,270 INFO L280 TraceCheckUtils]: 48: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:09,270 INFO L280 TraceCheckUtils]: 49: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:09,270 INFO L280 TraceCheckUtils]: 50: Hoare triple {1721#true} assume 1 == ~n;#res := 1; {1721#true} is VALID [2020-07-28 19:11:09,270 INFO L280 TraceCheckUtils]: 51: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:09,271 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {1721#true} {1721#true} #34#return; {1721#true} is VALID [2020-07-28 19:11:09,271 INFO L280 TraceCheckUtils]: 53: Hoare triple {1721#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1721#true} is VALID [2020-07-28 19:11:09,271 INFO L263 TraceCheckUtils]: 54: Hoare triple {1721#true} call #t~ret1 := fibo(~n - 2); {1721#true} is VALID [2020-07-28 19:11:09,272 INFO L280 TraceCheckUtils]: 55: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:09,272 INFO L280 TraceCheckUtils]: 56: Hoare triple {1721#true} assume ~n < 1;#res := 0; {1721#true} is VALID [2020-07-28 19:11:09,273 INFO L280 TraceCheckUtils]: 57: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:09,273 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {1721#true} {1721#true} #36#return; {1721#true} is VALID [2020-07-28 19:11:09,274 INFO L280 TraceCheckUtils]: 59: Hoare triple {1721#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1721#true} is VALID [2020-07-28 19:11:09,274 INFO L280 TraceCheckUtils]: 60: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:09,276 INFO L275 TraceCheckUtils]: 61: Hoare quadruple {1721#true} {1977#(<= |fibo_#in~n| 4)} #36#return; {1977#(<= |fibo_#in~n| 4)} is VALID [2020-07-28 19:11:09,277 INFO L280 TraceCheckUtils]: 62: Hoare triple {1977#(<= |fibo_#in~n| 4)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1977#(<= |fibo_#in~n| 4)} is VALID [2020-07-28 19:11:09,278 INFO L280 TraceCheckUtils]: 63: Hoare triple {1977#(<= |fibo_#in~n| 4)} assume true; {1977#(<= |fibo_#in~n| 4)} is VALID [2020-07-28 19:11:09,280 INFO L275 TraceCheckUtils]: 64: Hoare quadruple {1977#(<= |fibo_#in~n| 4)} {1721#true} #34#return; {1897#(<= fibo_~n 5)} is VALID [2020-07-28 19:11:09,281 INFO L280 TraceCheckUtils]: 65: Hoare triple {1897#(<= fibo_~n 5)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1897#(<= fibo_~n 5)} is VALID [2020-07-28 19:11:09,281 INFO L263 TraceCheckUtils]: 66: Hoare triple {1897#(<= fibo_~n 5)} call #t~ret1 := fibo(~n - 2); {1721#true} is VALID [2020-07-28 19:11:09,282 INFO L280 TraceCheckUtils]: 67: Hoare triple {1721#true} ~n := #in~n; {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,283 INFO L280 TraceCheckUtils]: 68: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,283 INFO L280 TraceCheckUtils]: 69: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,284 INFO L263 TraceCheckUtils]: 70: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1721#true} is VALID [2020-07-28 19:11:09,285 INFO L280 TraceCheckUtils]: 71: Hoare triple {1721#true} ~n := #in~n; {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,285 INFO L280 TraceCheckUtils]: 72: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,286 INFO L280 TraceCheckUtils]: 73: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,286 INFO L263 TraceCheckUtils]: 74: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1721#true} is VALID [2020-07-28 19:11:09,287 INFO L280 TraceCheckUtils]: 75: Hoare triple {1721#true} ~n := #in~n; {1944#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,288 INFO L280 TraceCheckUtils]: 76: Hoare triple {1944#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2102#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-28 19:11:09,289 INFO L280 TraceCheckUtils]: 77: Hoare triple {2102#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {2103#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,289 INFO L263 TraceCheckUtils]: 78: Hoare triple {2103#(<= 2 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1721#true} is VALID [2020-07-28 19:11:09,289 INFO L280 TraceCheckUtils]: 79: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:09,290 INFO L280 TraceCheckUtils]: 80: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:09,290 INFO L280 TraceCheckUtils]: 81: Hoare triple {1721#true} assume 1 == ~n;#res := 1; {1721#true} is VALID [2020-07-28 19:11:09,290 INFO L280 TraceCheckUtils]: 82: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:09,292 INFO L275 TraceCheckUtils]: 83: Hoare quadruple {1721#true} {2103#(<= 2 |fibo_#in~n|)} #34#return; {2103#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,293 INFO L280 TraceCheckUtils]: 84: Hoare triple {2103#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2103#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,293 INFO L263 TraceCheckUtils]: 85: Hoare triple {2103#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {1721#true} is VALID [2020-07-28 19:11:09,294 INFO L280 TraceCheckUtils]: 86: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:09,294 INFO L280 TraceCheckUtils]: 87: Hoare triple {1721#true} assume ~n < 1;#res := 0; {1721#true} is VALID [2020-07-28 19:11:09,294 INFO L280 TraceCheckUtils]: 88: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:09,296 INFO L275 TraceCheckUtils]: 89: Hoare quadruple {1721#true} {2103#(<= 2 |fibo_#in~n|)} #36#return; {2103#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,297 INFO L280 TraceCheckUtils]: 90: Hoare triple {2103#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2103#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,298 INFO L280 TraceCheckUtils]: 91: Hoare triple {2103#(<= 2 |fibo_#in~n|)} assume true; {2103#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,300 INFO L275 TraceCheckUtils]: 92: Hoare quadruple {2103#(<= 2 |fibo_#in~n|)} {1944#(= fibo_~n |fibo_#in~n|)} #34#return; {2096#(<= 3 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,301 INFO L280 TraceCheckUtils]: 93: Hoare triple {2096#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2096#(<= 3 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,301 INFO L263 TraceCheckUtils]: 94: Hoare triple {2096#(<= 3 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {1721#true} is VALID [2020-07-28 19:11:09,301 INFO L280 TraceCheckUtils]: 95: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:09,302 INFO L280 TraceCheckUtils]: 96: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:09,302 INFO L280 TraceCheckUtils]: 97: Hoare triple {1721#true} assume 1 == ~n;#res := 1; {1721#true} is VALID [2020-07-28 19:11:09,302 INFO L280 TraceCheckUtils]: 98: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:09,304 INFO L275 TraceCheckUtils]: 99: Hoare quadruple {1721#true} {2096#(<= 3 |fibo_#in~n|)} #36#return; {2096#(<= 3 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,305 INFO L280 TraceCheckUtils]: 100: Hoare triple {2096#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2096#(<= 3 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,305 INFO L280 TraceCheckUtils]: 101: Hoare triple {2096#(<= 3 |fibo_#in~n|)} assume true; {2096#(<= 3 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,307 INFO L275 TraceCheckUtils]: 102: Hoare quadruple {2096#(<= 3 |fibo_#in~n|)} {1944#(= fibo_~n |fibo_#in~n|)} #34#return; {2072#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,308 INFO L280 TraceCheckUtils]: 103: Hoare triple {2072#(<= 4 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2072#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,308 INFO L263 TraceCheckUtils]: 104: Hoare triple {2072#(<= 4 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {1721#true} is VALID [2020-07-28 19:11:09,309 INFO L280 TraceCheckUtils]: 105: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:09,309 INFO L280 TraceCheckUtils]: 106: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:09,309 INFO L280 TraceCheckUtils]: 107: Hoare triple {1721#true} assume 1 == ~n;#res := 1; {1721#true} is VALID [2020-07-28 19:11:09,309 INFO L280 TraceCheckUtils]: 108: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:09,313 INFO L275 TraceCheckUtils]: 109: Hoare quadruple {1721#true} {2072#(<= 4 |fibo_#in~n|)} #36#return; {2072#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,314 INFO L280 TraceCheckUtils]: 110: Hoare triple {2072#(<= 4 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2072#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,315 INFO L280 TraceCheckUtils]: 111: Hoare triple {2072#(<= 4 |fibo_#in~n|)} assume true; {2072#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:09,316 INFO L275 TraceCheckUtils]: 112: Hoare quadruple {2072#(<= 4 |fibo_#in~n|)} {1897#(<= fibo_~n 5)} #36#return; {1722#false} is VALID [2020-07-28 19:11:09,317 INFO L280 TraceCheckUtils]: 113: Hoare triple {1722#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1722#false} is VALID [2020-07-28 19:11:09,317 INFO L280 TraceCheckUtils]: 114: Hoare triple {1722#false} assume true; {1722#false} is VALID [2020-07-28 19:11:09,317 INFO L275 TraceCheckUtils]: 115: Hoare quadruple {1722#false} {1723#(<= ULTIMATE.start_main_~x~0 5)} #32#return; {1722#false} is VALID [2020-07-28 19:11:09,317 INFO L280 TraceCheckUtils]: 116: Hoare triple {1722#false} assume -2147483648 <= main_#t~ret2 && main_#t~ret2 <= 2147483647;main_~result~0 := main_#t~ret2;havoc main_#t~ret2; {1722#false} is VALID [2020-07-28 19:11:09,318 INFO L280 TraceCheckUtils]: 117: Hoare triple {1722#false} assume 5 != main_~result~0; {1722#false} is VALID [2020-07-28 19:11:09,318 INFO L280 TraceCheckUtils]: 118: Hoare triple {1722#false} assume !false; {1722#false} is VALID [2020-07-28 19:11:09,336 INFO L134 CoverageAnalysis]: Checked inductivity of 747 backedges. 183 proven. 243 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2020-07-28 19:11:09,337 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296705321] [2020-07-28 19:11:09,337 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554014944] [2020-07-28 19:11:09,338 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 19:11:09,425 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-07-28 19:11:09,425 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-28 19:11:09,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-28 19:11:09,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:09,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 19:11:10,057 INFO L280 TraceCheckUtils]: 0: Hoare triple {1721#true} havoc main_#res;havoc main_#t~ret2, main_~x~0, main_~result~0;main_~x~0 := 5; {1723#(<= ULTIMATE.start_main_~x~0 5)} is VALID [2020-07-28 19:11:10,058 INFO L263 TraceCheckUtils]: 1: Hoare triple {1723#(<= ULTIMATE.start_main_~x~0 5)} call main_#t~ret2 := fibo(main_~x~0); {1721#true} is VALID [2020-07-28 19:11:10,059 INFO L280 TraceCheckUtils]: 2: Hoare triple {1721#true} ~n := #in~n; {2122#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:10,060 INFO L280 TraceCheckUtils]: 3: Hoare triple {2122#(<= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2122#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:10,060 INFO L280 TraceCheckUtils]: 4: Hoare triple {2122#(<= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2122#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:10,060 INFO L263 TraceCheckUtils]: 5: Hoare triple {2122#(<= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1721#true} is VALID [2020-07-28 19:11:10,061 INFO L280 TraceCheckUtils]: 6: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:10,061 INFO L280 TraceCheckUtils]: 7: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:10,061 INFO L280 TraceCheckUtils]: 8: Hoare triple {1721#true} assume !(1 == ~n); {1721#true} is VALID [2020-07-28 19:11:10,061 INFO L263 TraceCheckUtils]: 9: Hoare triple {1721#true} call #t~ret0 := fibo(~n - 1); {1721#true} is VALID [2020-07-28 19:11:10,061 INFO L280 TraceCheckUtils]: 10: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:10,061 INFO L280 TraceCheckUtils]: 11: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:10,061 INFO L280 TraceCheckUtils]: 12: Hoare triple {1721#true} assume !(1 == ~n); {1721#true} is VALID [2020-07-28 19:11:10,062 INFO L263 TraceCheckUtils]: 13: Hoare triple {1721#true} call #t~ret0 := fibo(~n - 1); {1721#true} is VALID [2020-07-28 19:11:10,062 INFO L280 TraceCheckUtils]: 14: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:10,062 INFO L280 TraceCheckUtils]: 15: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:10,063 INFO L280 TraceCheckUtils]: 16: Hoare triple {1721#true} assume !(1 == ~n); {1721#true} is VALID [2020-07-28 19:11:10,063 INFO L263 TraceCheckUtils]: 17: Hoare triple {1721#true} call #t~ret0 := fibo(~n - 1); {1721#true} is VALID [2020-07-28 19:11:10,063 INFO L280 TraceCheckUtils]: 18: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:10,063 INFO L280 TraceCheckUtils]: 19: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:10,064 INFO L280 TraceCheckUtils]: 20: Hoare triple {1721#true} assume 1 == ~n;#res := 1; {1721#true} is VALID [2020-07-28 19:11:10,064 INFO L280 TraceCheckUtils]: 21: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:10,064 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {1721#true} {1721#true} #34#return; {1721#true} is VALID [2020-07-28 19:11:10,065 INFO L280 TraceCheckUtils]: 23: Hoare triple {1721#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1721#true} is VALID [2020-07-28 19:11:10,065 INFO L263 TraceCheckUtils]: 24: Hoare triple {1721#true} call #t~ret1 := fibo(~n - 2); {1721#true} is VALID [2020-07-28 19:11:10,065 INFO L280 TraceCheckUtils]: 25: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:10,065 INFO L280 TraceCheckUtils]: 26: Hoare triple {1721#true} assume ~n < 1;#res := 0; {1721#true} is VALID [2020-07-28 19:11:10,066 INFO L280 TraceCheckUtils]: 27: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:10,066 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {1721#true} {1721#true} #36#return; {1721#true} is VALID [2020-07-28 19:11:10,066 INFO L280 TraceCheckUtils]: 29: Hoare triple {1721#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1721#true} is VALID [2020-07-28 19:11:10,066 INFO L280 TraceCheckUtils]: 30: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:10,067 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {1721#true} {1721#true} #34#return; {1721#true} is VALID [2020-07-28 19:11:10,067 INFO L280 TraceCheckUtils]: 32: Hoare triple {1721#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1721#true} is VALID [2020-07-28 19:11:10,067 INFO L263 TraceCheckUtils]: 33: Hoare triple {1721#true} call #t~ret1 := fibo(~n - 2); {1721#true} is VALID [2020-07-28 19:11:10,068 INFO L280 TraceCheckUtils]: 34: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:10,068 INFO L280 TraceCheckUtils]: 35: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:10,068 INFO L280 TraceCheckUtils]: 36: Hoare triple {1721#true} assume 1 == ~n;#res := 1; {1721#true} is VALID [2020-07-28 19:11:10,069 INFO L280 TraceCheckUtils]: 37: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:10,069 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {1721#true} {1721#true} #36#return; {1721#true} is VALID [2020-07-28 19:11:10,069 INFO L280 TraceCheckUtils]: 39: Hoare triple {1721#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1721#true} is VALID [2020-07-28 19:11:10,069 INFO L280 TraceCheckUtils]: 40: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:10,070 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {1721#true} {1721#true} #34#return; {1721#true} is VALID [2020-07-28 19:11:10,070 INFO L280 TraceCheckUtils]: 42: Hoare triple {1721#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1721#true} is VALID [2020-07-28 19:11:10,070 INFO L263 TraceCheckUtils]: 43: Hoare triple {1721#true} call #t~ret1 := fibo(~n - 2); {1721#true} is VALID [2020-07-28 19:11:10,070 INFO L280 TraceCheckUtils]: 44: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:10,071 INFO L280 TraceCheckUtils]: 45: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:10,071 INFO L280 TraceCheckUtils]: 46: Hoare triple {1721#true} assume !(1 == ~n); {1721#true} is VALID [2020-07-28 19:11:10,071 INFO L263 TraceCheckUtils]: 47: Hoare triple {1721#true} call #t~ret0 := fibo(~n - 1); {1721#true} is VALID [2020-07-28 19:11:10,072 INFO L280 TraceCheckUtils]: 48: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:10,072 INFO L280 TraceCheckUtils]: 49: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:10,072 INFO L280 TraceCheckUtils]: 50: Hoare triple {1721#true} assume 1 == ~n;#res := 1; {1721#true} is VALID [2020-07-28 19:11:10,072 INFO L280 TraceCheckUtils]: 51: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:10,073 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {1721#true} {1721#true} #34#return; {1721#true} is VALID [2020-07-28 19:11:10,073 INFO L280 TraceCheckUtils]: 53: Hoare triple {1721#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1721#true} is VALID [2020-07-28 19:11:10,073 INFO L263 TraceCheckUtils]: 54: Hoare triple {1721#true} call #t~ret1 := fibo(~n - 2); {1721#true} is VALID [2020-07-28 19:11:10,073 INFO L280 TraceCheckUtils]: 55: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:10,074 INFO L280 TraceCheckUtils]: 56: Hoare triple {1721#true} assume ~n < 1;#res := 0; {1721#true} is VALID [2020-07-28 19:11:10,074 INFO L280 TraceCheckUtils]: 57: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:10,074 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {1721#true} {1721#true} #36#return; {1721#true} is VALID [2020-07-28 19:11:10,074 INFO L280 TraceCheckUtils]: 59: Hoare triple {1721#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1721#true} is VALID [2020-07-28 19:11:10,075 INFO L280 TraceCheckUtils]: 60: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:10,075 INFO L275 TraceCheckUtils]: 61: Hoare quadruple {1721#true} {1721#true} #36#return; {1721#true} is VALID [2020-07-28 19:11:10,075 INFO L280 TraceCheckUtils]: 62: Hoare triple {1721#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1721#true} is VALID [2020-07-28 19:11:10,075 INFO L280 TraceCheckUtils]: 63: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:10,076 INFO L275 TraceCheckUtils]: 64: Hoare quadruple {1721#true} {2122#(<= fibo_~n |fibo_#in~n|)} #34#return; {2122#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:10,077 INFO L280 TraceCheckUtils]: 65: Hoare triple {2122#(<= fibo_~n |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2122#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:10,077 INFO L263 TraceCheckUtils]: 66: Hoare triple {2122#(<= fibo_~n |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {1721#true} is VALID [2020-07-28 19:11:10,078 INFO L280 TraceCheckUtils]: 67: Hoare triple {1721#true} ~n := #in~n; {2122#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:10,079 INFO L280 TraceCheckUtils]: 68: Hoare triple {2122#(<= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2122#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:10,079 INFO L280 TraceCheckUtils]: 69: Hoare triple {2122#(<= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2122#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:10,079 INFO L263 TraceCheckUtils]: 70: Hoare triple {2122#(<= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1721#true} is VALID [2020-07-28 19:11:10,080 INFO L280 TraceCheckUtils]: 71: Hoare triple {1721#true} ~n := #in~n; {2122#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:10,081 INFO L280 TraceCheckUtils]: 72: Hoare triple {2122#(<= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2122#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:10,081 INFO L280 TraceCheckUtils]: 73: Hoare triple {2122#(<= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2122#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:10,082 INFO L263 TraceCheckUtils]: 74: Hoare triple {2122#(<= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1721#true} is VALID [2020-07-28 19:11:10,082 INFO L280 TraceCheckUtils]: 75: Hoare triple {1721#true} ~n := #in~n; {2122#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:10,083 INFO L280 TraceCheckUtils]: 76: Hoare triple {2122#(<= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2122#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:10,084 INFO L280 TraceCheckUtils]: 77: Hoare triple {2122#(<= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2122#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:10,084 INFO L263 TraceCheckUtils]: 78: Hoare triple {2122#(<= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1721#true} is VALID [2020-07-28 19:11:10,084 INFO L280 TraceCheckUtils]: 79: Hoare triple {1721#true} ~n := #in~n; {2122#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:10,085 INFO L280 TraceCheckUtils]: 80: Hoare triple {2122#(<= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2357#(<= 1 |fibo_#in~n|)} is VALID [2020-07-28 19:11:10,086 INFO L280 TraceCheckUtils]: 81: Hoare triple {2357#(<= 1 |fibo_#in~n|)} assume 1 == ~n;#res := 1; {2357#(<= 1 |fibo_#in~n|)} is VALID [2020-07-28 19:11:10,086 INFO L280 TraceCheckUtils]: 82: Hoare triple {2357#(<= 1 |fibo_#in~n|)} assume true; {2357#(<= 1 |fibo_#in~n|)} is VALID [2020-07-28 19:11:10,088 INFO L275 TraceCheckUtils]: 83: Hoare quadruple {2357#(<= 1 |fibo_#in~n|)} {2122#(<= fibo_~n |fibo_#in~n|)} #34#return; {2103#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:10,088 INFO L280 TraceCheckUtils]: 84: Hoare triple {2103#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2103#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:10,089 INFO L263 TraceCheckUtils]: 85: Hoare triple {2103#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {1721#true} is VALID [2020-07-28 19:11:10,089 INFO L280 TraceCheckUtils]: 86: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:10,089 INFO L280 TraceCheckUtils]: 87: Hoare triple {1721#true} assume ~n < 1;#res := 0; {1721#true} is VALID [2020-07-28 19:11:10,089 INFO L280 TraceCheckUtils]: 88: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:10,090 INFO L275 TraceCheckUtils]: 89: Hoare quadruple {1721#true} {2103#(<= 2 |fibo_#in~n|)} #36#return; {2103#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:10,091 INFO L280 TraceCheckUtils]: 90: Hoare triple {2103#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2103#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:10,091 INFO L280 TraceCheckUtils]: 91: Hoare triple {2103#(<= 2 |fibo_#in~n|)} assume true; {2103#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:10,093 INFO L275 TraceCheckUtils]: 92: Hoare quadruple {2103#(<= 2 |fibo_#in~n|)} {2122#(<= fibo_~n |fibo_#in~n|)} #34#return; {2096#(<= 3 |fibo_#in~n|)} is VALID [2020-07-28 19:11:10,093 INFO L280 TraceCheckUtils]: 93: Hoare triple {2096#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2096#(<= 3 |fibo_#in~n|)} is VALID [2020-07-28 19:11:10,094 INFO L263 TraceCheckUtils]: 94: Hoare triple {2096#(<= 3 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {1721#true} is VALID [2020-07-28 19:11:10,094 INFO L280 TraceCheckUtils]: 95: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:10,094 INFO L280 TraceCheckUtils]: 96: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:10,094 INFO L280 TraceCheckUtils]: 97: Hoare triple {1721#true} assume 1 == ~n;#res := 1; {1721#true} is VALID [2020-07-28 19:11:10,094 INFO L280 TraceCheckUtils]: 98: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:10,096 INFO L275 TraceCheckUtils]: 99: Hoare quadruple {1721#true} {2096#(<= 3 |fibo_#in~n|)} #36#return; {2096#(<= 3 |fibo_#in~n|)} is VALID [2020-07-28 19:11:10,096 INFO L280 TraceCheckUtils]: 100: Hoare triple {2096#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2096#(<= 3 |fibo_#in~n|)} is VALID [2020-07-28 19:11:10,097 INFO L280 TraceCheckUtils]: 101: Hoare triple {2096#(<= 3 |fibo_#in~n|)} assume true; {2096#(<= 3 |fibo_#in~n|)} is VALID [2020-07-28 19:11:10,098 INFO L275 TraceCheckUtils]: 102: Hoare quadruple {2096#(<= 3 |fibo_#in~n|)} {2122#(<= fibo_~n |fibo_#in~n|)} #34#return; {2072#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:10,099 INFO L280 TraceCheckUtils]: 103: Hoare triple {2072#(<= 4 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2072#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:10,099 INFO L263 TraceCheckUtils]: 104: Hoare triple {2072#(<= 4 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {1721#true} is VALID [2020-07-28 19:11:10,100 INFO L280 TraceCheckUtils]: 105: Hoare triple {1721#true} ~n := #in~n; {1721#true} is VALID [2020-07-28 19:11:10,100 INFO L280 TraceCheckUtils]: 106: Hoare triple {1721#true} assume !(~n < 1); {1721#true} is VALID [2020-07-28 19:11:10,100 INFO L280 TraceCheckUtils]: 107: Hoare triple {1721#true} assume 1 == ~n;#res := 1; {1721#true} is VALID [2020-07-28 19:11:10,100 INFO L280 TraceCheckUtils]: 108: Hoare triple {1721#true} assume true; {1721#true} is VALID [2020-07-28 19:11:10,101 INFO L275 TraceCheckUtils]: 109: Hoare quadruple {1721#true} {2072#(<= 4 |fibo_#in~n|)} #36#return; {2072#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:10,102 INFO L280 TraceCheckUtils]: 110: Hoare triple {2072#(<= 4 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2072#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:10,103 INFO L280 TraceCheckUtils]: 111: Hoare triple {2072#(<= 4 |fibo_#in~n|)} assume true; {2072#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:10,104 INFO L275 TraceCheckUtils]: 112: Hoare quadruple {2072#(<= 4 |fibo_#in~n|)} {2122#(<= fibo_~n |fibo_#in~n|)} #36#return; {2454#(<= 6 |fibo_#in~n|)} is VALID [2020-07-28 19:11:10,105 INFO L280 TraceCheckUtils]: 113: Hoare triple {2454#(<= 6 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2454#(<= 6 |fibo_#in~n|)} is VALID [2020-07-28 19:11:10,106 INFO L280 TraceCheckUtils]: 114: Hoare triple {2454#(<= 6 |fibo_#in~n|)} assume true; {2454#(<= 6 |fibo_#in~n|)} is VALID [2020-07-28 19:11:10,111 INFO L275 TraceCheckUtils]: 115: Hoare quadruple {2454#(<= 6 |fibo_#in~n|)} {1723#(<= ULTIMATE.start_main_~x~0 5)} #32#return; {1722#false} is VALID [2020-07-28 19:11:10,112 INFO L280 TraceCheckUtils]: 116: Hoare triple {1722#false} assume -2147483648 <= main_#t~ret2 && main_#t~ret2 <= 2147483647;main_~result~0 := main_#t~ret2;havoc main_#t~ret2; {1722#false} is VALID [2020-07-28 19:11:10,112 INFO L280 TraceCheckUtils]: 117: Hoare triple {1722#false} assume 5 != main_~result~0; {1722#false} is VALID [2020-07-28 19:11:10,112 INFO L280 TraceCheckUtils]: 118: Hoare triple {1722#false} assume !false; {1722#false} is VALID [2020-07-28 19:11:10,121 INFO L134 CoverageAnalysis]: Checked inductivity of 747 backedges. 264 proven. 67 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2020-07-28 19:11:10,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-28 19:11:10,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9] total 16 [2020-07-28 19:11:10,122 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25630645] [2020-07-28 19:11:10,123 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 119 [2020-07-28 19:11:10,177 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:11:10,177 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states. [2020-07-28 19:11:10,272 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 86 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:11:10,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-07-28 19:11:10,272 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:11:10,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-07-28 19:11:10,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2020-07-28 19:11:10,273 INFO L87 Difference]: Start difference. First operand 46 states and 60 transitions. Second operand 16 states. [2020-07-28 19:11:11,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:11:11,992 INFO L93 Difference]: Finished difference Result 116 states and 206 transitions. [2020-07-28 19:11:11,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-07-28 19:11:11,992 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 119 [2020-07-28 19:11:11,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:11:11,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-07-28 19:11:11,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 136 transitions. [2020-07-28 19:11:11,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-07-28 19:11:12,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 136 transitions. [2020-07-28 19:11:12,004 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 26 states and 136 transitions. [2020-07-28 19:11:12,215 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 136 edges. 136 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:11:12,219 INFO L225 Difference]: With dead ends: 116 [2020-07-28 19:11:12,219 INFO L226 Difference]: Without dead ends: 62 [2020-07-28 19:11:12,222 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=225, Invalid=767, Unknown=0, NotChecked=0, Total=992 [2020-07-28 19:11:12,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-07-28 19:11:12,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 55. [2020-07-28 19:11:12,268 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:11:12,268 INFO L82 GeneralOperation]: Start isEquivalent. First operand 62 states. Second operand 55 states. [2020-07-28 19:11:12,268 INFO L74 IsIncluded]: Start isIncluded. First operand 62 states. Second operand 55 states. [2020-07-28 19:11:12,268 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 55 states. [2020-07-28 19:11:12,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:11:12,273 INFO L93 Difference]: Finished difference Result 62 states and 74 transitions. [2020-07-28 19:11:12,273 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 74 transitions. [2020-07-28 19:11:12,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:11:12,274 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:11:12,274 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 62 states. [2020-07-28 19:11:12,274 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 62 states. [2020-07-28 19:11:12,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:11:12,278 INFO L93 Difference]: Finished difference Result 62 states and 74 transitions. [2020-07-28 19:11:12,278 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 74 transitions. [2020-07-28 19:11:12,279 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:11:12,279 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:11:12,279 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:11:12,280 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:11:12,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-07-28 19:11:12,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 66 transitions. [2020-07-28 19:11:12,283 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 66 transitions. Word has length 119 [2020-07-28 19:11:12,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:11:12,283 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 66 transitions. [2020-07-28 19:11:12,284 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-07-28 19:11:12,284 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2020-07-28 19:11:12,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-07-28 19:11:12,285 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:11:12,285 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 12, 7, 7, 7, 7, 7, 7, 7, 5, 3, 1, 1, 1, 1, 1, 1] [2020-07-28 19:11:12,499 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-07-28 19:11:12,500 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:11:12,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:11:12,501 INFO L82 PathProgramCache]: Analyzing trace with hash 548614988, now seen corresponding path program 5 times [2020-07-28 19:11:12,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:11:12,502 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154807132] [2020-07-28 19:11:12,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:11:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:12,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-07-28 19:11:12,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:12,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-07-28 19:11:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:12,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-07-28 19:11:12,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:12,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-07-28 19:11:12,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:12,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-07-28 19:11:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:12,956 INFO L280 TraceCheckUtils]: 0: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:12,957 INFO L280 TraceCheckUtils]: 1: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:12,957 INFO L280 TraceCheckUtils]: 2: Hoare triple {2849#true} assume 1 == ~n;#res := 1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:12,959 INFO L280 TraceCheckUtils]: 3: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:12,960 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {2849#true} #34#return; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:12,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-07-28 19:11:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:12,991 INFO L280 TraceCheckUtils]: 0: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:12,992 INFO L280 TraceCheckUtils]: 1: Hoare triple {2849#true} assume ~n < 1;#res := 0; {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} is VALID [2020-07-28 19:11:12,992 INFO L280 TraceCheckUtils]: 2: Hoare triple {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} assume true; {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} is VALID [2020-07-28 19:11:12,994 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} #36#return; {3135#(and (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 1) (<= 1 (+ |fibo_#t~ret0| |fibo_#t~ret1|)))} is VALID [2020-07-28 19:11:12,994 INFO L280 TraceCheckUtils]: 0: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:12,994 INFO L280 TraceCheckUtils]: 1: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:12,994 INFO L280 TraceCheckUtils]: 2: Hoare triple {2849#true} assume !(1 == ~n); {2849#true} is VALID [2020-07-28 19:11:12,995 INFO L263 TraceCheckUtils]: 3: Hoare triple {2849#true} call #t~ret0 := fibo(~n - 1); {2849#true} is VALID [2020-07-28 19:11:12,995 INFO L280 TraceCheckUtils]: 4: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:12,995 INFO L280 TraceCheckUtils]: 5: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:12,996 INFO L280 TraceCheckUtils]: 6: Hoare triple {2849#true} assume 1 == ~n;#res := 1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:12,997 INFO L280 TraceCheckUtils]: 7: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:12,998 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {2849#true} #34#return; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:12,998 INFO L280 TraceCheckUtils]: 9: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:12,999 INFO L263 TraceCheckUtils]: 10: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} call #t~ret1 := fibo(~n - 2); {2849#true} is VALID [2020-07-28 19:11:12,999 INFO L280 TraceCheckUtils]: 11: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:12,999 INFO L280 TraceCheckUtils]: 12: Hoare triple {2849#true} assume ~n < 1;#res := 0; {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} is VALID [2020-07-28 19:11:13,000 INFO L280 TraceCheckUtils]: 13: Hoare triple {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} assume true; {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} is VALID [2020-07-28 19:11:13,001 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} #36#return; {3135#(and (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 1) (<= 1 (+ |fibo_#t~ret0| |fibo_#t~ret1|)))} is VALID [2020-07-28 19:11:13,002 INFO L280 TraceCheckUtils]: 15: Hoare triple {3135#(and (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 1) (<= 1 (+ |fibo_#t~ret0| |fibo_#t~ret1|)))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,003 INFO L280 TraceCheckUtils]: 16: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,004 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {2849#true} #34#return; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-07-28 19:11:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:13,018 INFO L280 TraceCheckUtils]: 0: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,018 INFO L280 TraceCheckUtils]: 1: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,019 INFO L280 TraceCheckUtils]: 2: Hoare triple {2849#true} assume 1 == ~n;#res := 1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,019 INFO L280 TraceCheckUtils]: 3: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,021 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} #36#return; {3124#(and (<= 2 (+ |fibo_#t~ret0| |fibo_#t~ret1|)) (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 2))} is VALID [2020-07-28 19:11:13,021 INFO L280 TraceCheckUtils]: 0: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,021 INFO L280 TraceCheckUtils]: 1: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,022 INFO L280 TraceCheckUtils]: 2: Hoare triple {2849#true} assume !(1 == ~n); {2849#true} is VALID [2020-07-28 19:11:13,022 INFO L263 TraceCheckUtils]: 3: Hoare triple {2849#true} call #t~ret0 := fibo(~n - 1); {2849#true} is VALID [2020-07-28 19:11:13,022 INFO L280 TraceCheckUtils]: 4: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,022 INFO L280 TraceCheckUtils]: 5: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,022 INFO L280 TraceCheckUtils]: 6: Hoare triple {2849#true} assume !(1 == ~n); {2849#true} is VALID [2020-07-28 19:11:13,022 INFO L263 TraceCheckUtils]: 7: Hoare triple {2849#true} call #t~ret0 := fibo(~n - 1); {2849#true} is VALID [2020-07-28 19:11:13,023 INFO L280 TraceCheckUtils]: 8: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,023 INFO L280 TraceCheckUtils]: 9: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,024 INFO L280 TraceCheckUtils]: 10: Hoare triple {2849#true} assume 1 == ~n;#res := 1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,024 INFO L280 TraceCheckUtils]: 11: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,025 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {2849#true} #34#return; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,026 INFO L280 TraceCheckUtils]: 13: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,026 INFO L263 TraceCheckUtils]: 14: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} call #t~ret1 := fibo(~n - 2); {2849#true} is VALID [2020-07-28 19:11:13,026 INFO L280 TraceCheckUtils]: 15: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,027 INFO L280 TraceCheckUtils]: 16: Hoare triple {2849#true} assume ~n < 1;#res := 0; {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} is VALID [2020-07-28 19:11:13,028 INFO L280 TraceCheckUtils]: 17: Hoare triple {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} assume true; {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} is VALID [2020-07-28 19:11:13,029 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} #36#return; {3135#(and (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 1) (<= 1 (+ |fibo_#t~ret0| |fibo_#t~ret1|)))} is VALID [2020-07-28 19:11:13,030 INFO L280 TraceCheckUtils]: 19: Hoare triple {3135#(and (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 1) (<= 1 (+ |fibo_#t~ret0| |fibo_#t~ret1|)))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,031 INFO L280 TraceCheckUtils]: 20: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,032 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {2849#true} #34#return; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,033 INFO L280 TraceCheckUtils]: 22: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,033 INFO L263 TraceCheckUtils]: 23: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} call #t~ret1 := fibo(~n - 2); {2849#true} is VALID [2020-07-28 19:11:13,033 INFO L280 TraceCheckUtils]: 24: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,033 INFO L280 TraceCheckUtils]: 25: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,034 INFO L280 TraceCheckUtils]: 26: Hoare triple {2849#true} assume 1 == ~n;#res := 1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,034 INFO L280 TraceCheckUtils]: 27: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,036 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} #36#return; {3124#(and (<= 2 (+ |fibo_#t~ret0| |fibo_#t~ret1|)) (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 2))} is VALID [2020-07-28 19:11:13,037 INFO L280 TraceCheckUtils]: 29: Hoare triple {3124#(and (<= 2 (+ |fibo_#t~ret0| |fibo_#t~ret1|)) (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 2))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3125#(and (<= 2 |fibo_#res|) (<= |fibo_#res| 2))} is VALID [2020-07-28 19:11:13,037 INFO L280 TraceCheckUtils]: 30: Hoare triple {3125#(and (<= 2 |fibo_#res|) (<= |fibo_#res| 2))} assume true; {3125#(and (<= 2 |fibo_#res|) (<= |fibo_#res| 2))} is VALID [2020-07-28 19:11:13,038 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {3125#(and (<= 2 |fibo_#res|) (<= |fibo_#res| 2))} {2849#true} #34#return; {3079#(and (<= |fibo_#t~ret0| 2) (<= 2 |fibo_#t~ret0|))} is VALID [2020-07-28 19:11:13,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-07-28 19:11:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:13,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-07-28 19:11:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:13,066 INFO L280 TraceCheckUtils]: 0: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,066 INFO L280 TraceCheckUtils]: 1: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,067 INFO L280 TraceCheckUtils]: 2: Hoare triple {2849#true} assume 1 == ~n;#res := 1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,068 INFO L280 TraceCheckUtils]: 3: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,069 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {2849#true} #34#return; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-07-28 19:11:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:13,078 INFO L280 TraceCheckUtils]: 0: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,078 INFO L280 TraceCheckUtils]: 1: Hoare triple {2849#true} assume ~n < 1;#res := 0; {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} is VALID [2020-07-28 19:11:13,079 INFO L280 TraceCheckUtils]: 2: Hoare triple {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} assume true; {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} is VALID [2020-07-28 19:11:13,081 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} #36#return; {3135#(and (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 1) (<= 1 (+ |fibo_#t~ret0| |fibo_#t~ret1|)))} is VALID [2020-07-28 19:11:13,081 INFO L280 TraceCheckUtils]: 0: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,081 INFO L280 TraceCheckUtils]: 1: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,082 INFO L280 TraceCheckUtils]: 2: Hoare triple {2849#true} assume !(1 == ~n); {2849#true} is VALID [2020-07-28 19:11:13,082 INFO L263 TraceCheckUtils]: 3: Hoare triple {2849#true} call #t~ret0 := fibo(~n - 1); {2849#true} is VALID [2020-07-28 19:11:13,082 INFO L280 TraceCheckUtils]: 4: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,082 INFO L280 TraceCheckUtils]: 5: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,083 INFO L280 TraceCheckUtils]: 6: Hoare triple {2849#true} assume 1 == ~n;#res := 1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,084 INFO L280 TraceCheckUtils]: 7: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,085 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {2849#true} #34#return; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,086 INFO L280 TraceCheckUtils]: 9: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,086 INFO L263 TraceCheckUtils]: 10: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} call #t~ret1 := fibo(~n - 2); {2849#true} is VALID [2020-07-28 19:11:13,086 INFO L280 TraceCheckUtils]: 11: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,087 INFO L280 TraceCheckUtils]: 12: Hoare triple {2849#true} assume ~n < 1;#res := 0; {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} is VALID [2020-07-28 19:11:13,088 INFO L280 TraceCheckUtils]: 13: Hoare triple {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} assume true; {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} is VALID [2020-07-28 19:11:13,089 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} #36#return; {3135#(and (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 1) (<= 1 (+ |fibo_#t~ret0| |fibo_#t~ret1|)))} is VALID [2020-07-28 19:11:13,090 INFO L280 TraceCheckUtils]: 15: Hoare triple {3135#(and (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 1) (<= 1 (+ |fibo_#t~ret0| |fibo_#t~ret1|)))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,091 INFO L280 TraceCheckUtils]: 16: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,093 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {3079#(and (<= |fibo_#t~ret0| 2) (<= 2 |fibo_#t~ret0|))} #36#return; {3098#(and (<= 3 (+ |fibo_#t~ret0| |fibo_#t~ret1|)) (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 3))} is VALID [2020-07-28 19:11:13,093 INFO L280 TraceCheckUtils]: 0: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,094 INFO L280 TraceCheckUtils]: 1: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,094 INFO L280 TraceCheckUtils]: 2: Hoare triple {2849#true} assume !(1 == ~n); {2849#true} is VALID [2020-07-28 19:11:13,094 INFO L263 TraceCheckUtils]: 3: Hoare triple {2849#true} call #t~ret0 := fibo(~n - 1); {2849#true} is VALID [2020-07-28 19:11:13,094 INFO L280 TraceCheckUtils]: 4: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,095 INFO L280 TraceCheckUtils]: 5: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,095 INFO L280 TraceCheckUtils]: 6: Hoare triple {2849#true} assume !(1 == ~n); {2849#true} is VALID [2020-07-28 19:11:13,095 INFO L263 TraceCheckUtils]: 7: Hoare triple {2849#true} call #t~ret0 := fibo(~n - 1); {2849#true} is VALID [2020-07-28 19:11:13,095 INFO L280 TraceCheckUtils]: 8: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,095 INFO L280 TraceCheckUtils]: 9: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,095 INFO L280 TraceCheckUtils]: 10: Hoare triple {2849#true} assume !(1 == ~n); {2849#true} is VALID [2020-07-28 19:11:13,096 INFO L263 TraceCheckUtils]: 11: Hoare triple {2849#true} call #t~ret0 := fibo(~n - 1); {2849#true} is VALID [2020-07-28 19:11:13,096 INFO L280 TraceCheckUtils]: 12: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,096 INFO L280 TraceCheckUtils]: 13: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,097 INFO L280 TraceCheckUtils]: 14: Hoare triple {2849#true} assume 1 == ~n;#res := 1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,098 INFO L280 TraceCheckUtils]: 15: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,099 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {2849#true} #34#return; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,099 INFO L280 TraceCheckUtils]: 17: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,100 INFO L263 TraceCheckUtils]: 18: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} call #t~ret1 := fibo(~n - 2); {2849#true} is VALID [2020-07-28 19:11:13,100 INFO L280 TraceCheckUtils]: 19: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,101 INFO L280 TraceCheckUtils]: 20: Hoare triple {2849#true} assume ~n < 1;#res := 0; {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} is VALID [2020-07-28 19:11:13,101 INFO L280 TraceCheckUtils]: 21: Hoare triple {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} assume true; {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} is VALID [2020-07-28 19:11:13,103 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} #36#return; {3135#(and (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 1) (<= 1 (+ |fibo_#t~ret0| |fibo_#t~ret1|)))} is VALID [2020-07-28 19:11:13,104 INFO L280 TraceCheckUtils]: 23: Hoare triple {3135#(and (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 1) (<= 1 (+ |fibo_#t~ret0| |fibo_#t~ret1|)))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,105 INFO L280 TraceCheckUtils]: 24: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,106 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {2849#true} #34#return; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,122 INFO L280 TraceCheckUtils]: 26: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,123 INFO L263 TraceCheckUtils]: 27: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} call #t~ret1 := fibo(~n - 2); {2849#true} is VALID [2020-07-28 19:11:13,123 INFO L280 TraceCheckUtils]: 28: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,123 INFO L280 TraceCheckUtils]: 29: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,124 INFO L280 TraceCheckUtils]: 30: Hoare triple {2849#true} assume 1 == ~n;#res := 1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,124 INFO L280 TraceCheckUtils]: 31: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,126 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} #36#return; {3124#(and (<= 2 (+ |fibo_#t~ret0| |fibo_#t~ret1|)) (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 2))} is VALID [2020-07-28 19:11:13,128 INFO L280 TraceCheckUtils]: 33: Hoare triple {3124#(and (<= 2 (+ |fibo_#t~ret0| |fibo_#t~ret1|)) (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 2))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3125#(and (<= 2 |fibo_#res|) (<= |fibo_#res| 2))} is VALID [2020-07-28 19:11:13,129 INFO L280 TraceCheckUtils]: 34: Hoare triple {3125#(and (<= 2 |fibo_#res|) (<= |fibo_#res| 2))} assume true; {3125#(and (<= 2 |fibo_#res|) (<= |fibo_#res| 2))} is VALID [2020-07-28 19:11:13,130 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {3125#(and (<= 2 |fibo_#res|) (<= |fibo_#res| 2))} {2849#true} #34#return; {3079#(and (<= |fibo_#t~ret0| 2) (<= 2 |fibo_#t~ret0|))} is VALID [2020-07-28 19:11:13,131 INFO L280 TraceCheckUtils]: 36: Hoare triple {3079#(and (<= |fibo_#t~ret0| 2) (<= 2 |fibo_#t~ret0|))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3079#(and (<= |fibo_#t~ret0| 2) (<= 2 |fibo_#t~ret0|))} is VALID [2020-07-28 19:11:13,131 INFO L263 TraceCheckUtils]: 37: Hoare triple {3079#(and (<= |fibo_#t~ret0| 2) (<= 2 |fibo_#t~ret0|))} call #t~ret1 := fibo(~n - 2); {2849#true} is VALID [2020-07-28 19:11:13,131 INFO L280 TraceCheckUtils]: 38: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,131 INFO L280 TraceCheckUtils]: 39: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,132 INFO L280 TraceCheckUtils]: 40: Hoare triple {2849#true} assume !(1 == ~n); {2849#true} is VALID [2020-07-28 19:11:13,132 INFO L263 TraceCheckUtils]: 41: Hoare triple {2849#true} call #t~ret0 := fibo(~n - 1); {2849#true} is VALID [2020-07-28 19:11:13,132 INFO L280 TraceCheckUtils]: 42: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,132 INFO L280 TraceCheckUtils]: 43: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,134 INFO L280 TraceCheckUtils]: 44: Hoare triple {2849#true} assume 1 == ~n;#res := 1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,134 INFO L280 TraceCheckUtils]: 45: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,135 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {2849#true} #34#return; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,136 INFO L280 TraceCheckUtils]: 47: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,136 INFO L263 TraceCheckUtils]: 48: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} call #t~ret1 := fibo(~n - 2); {2849#true} is VALID [2020-07-28 19:11:13,137 INFO L280 TraceCheckUtils]: 49: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,138 INFO L280 TraceCheckUtils]: 50: Hoare triple {2849#true} assume ~n < 1;#res := 0; {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} is VALID [2020-07-28 19:11:13,139 INFO L280 TraceCheckUtils]: 51: Hoare triple {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} assume true; {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} is VALID [2020-07-28 19:11:13,141 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} #36#return; {3135#(and (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 1) (<= 1 (+ |fibo_#t~ret0| |fibo_#t~ret1|)))} is VALID [2020-07-28 19:11:13,142 INFO L280 TraceCheckUtils]: 53: Hoare triple {3135#(and (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 1) (<= 1 (+ |fibo_#t~ret0| |fibo_#t~ret1|)))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,143 INFO L280 TraceCheckUtils]: 54: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,144 INFO L275 TraceCheckUtils]: 55: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {3079#(and (<= |fibo_#t~ret0| 2) (<= 2 |fibo_#t~ret0|))} #36#return; {3098#(and (<= 3 (+ |fibo_#t~ret0| |fibo_#t~ret1|)) (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 3))} is VALID [2020-07-28 19:11:13,146 INFO L280 TraceCheckUtils]: 56: Hoare triple {3098#(and (<= 3 (+ |fibo_#t~ret0| |fibo_#t~ret1|)) (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 3))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3099#(and (<= |fibo_#res| 3) (<= 3 |fibo_#res|))} is VALID [2020-07-28 19:11:13,147 INFO L280 TraceCheckUtils]: 57: Hoare triple {3099#(and (<= |fibo_#res| 3) (<= 3 |fibo_#res|))} assume true; {3099#(and (<= |fibo_#res| 3) (<= 3 |fibo_#res|))} is VALID [2020-07-28 19:11:13,148 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {3099#(and (<= |fibo_#res| 3) (<= 3 |fibo_#res|))} {2849#true} #34#return; {3012#(and (<= 3 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 3))} is VALID [2020-07-28 19:11:13,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-07-28 19:11:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:13,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-07-28 19:11:13,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:13,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-07-28 19:11:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:13,216 INFO L280 TraceCheckUtils]: 0: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,216 INFO L280 TraceCheckUtils]: 1: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,217 INFO L280 TraceCheckUtils]: 2: Hoare triple {2849#true} assume 1 == ~n;#res := 1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,218 INFO L280 TraceCheckUtils]: 3: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,219 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {2849#true} #34#return; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-07-28 19:11:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:13,229 INFO L280 TraceCheckUtils]: 0: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,230 INFO L280 TraceCheckUtils]: 1: Hoare triple {2849#true} assume ~n < 1;#res := 0; {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} is VALID [2020-07-28 19:11:13,230 INFO L280 TraceCheckUtils]: 2: Hoare triple {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} assume true; {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} is VALID [2020-07-28 19:11:13,232 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} #36#return; {3135#(and (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 1) (<= 1 (+ |fibo_#t~ret0| |fibo_#t~ret1|)))} is VALID [2020-07-28 19:11:13,232 INFO L280 TraceCheckUtils]: 0: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,232 INFO L280 TraceCheckUtils]: 1: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,233 INFO L280 TraceCheckUtils]: 2: Hoare triple {2849#true} assume !(1 == ~n); {2849#true} is VALID [2020-07-28 19:11:13,233 INFO L263 TraceCheckUtils]: 3: Hoare triple {2849#true} call #t~ret0 := fibo(~n - 1); {2849#true} is VALID [2020-07-28 19:11:13,233 INFO L280 TraceCheckUtils]: 4: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,233 INFO L280 TraceCheckUtils]: 5: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,234 INFO L280 TraceCheckUtils]: 6: Hoare triple {2849#true} assume 1 == ~n;#res := 1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,235 INFO L280 TraceCheckUtils]: 7: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,236 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {2849#true} #34#return; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,237 INFO L280 TraceCheckUtils]: 9: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,237 INFO L263 TraceCheckUtils]: 10: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} call #t~ret1 := fibo(~n - 2); {2849#true} is VALID [2020-07-28 19:11:13,238 INFO L280 TraceCheckUtils]: 11: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,239 INFO L280 TraceCheckUtils]: 12: Hoare triple {2849#true} assume ~n < 1;#res := 0; {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} is VALID [2020-07-28 19:11:13,240 INFO L280 TraceCheckUtils]: 13: Hoare triple {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} assume true; {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} is VALID [2020-07-28 19:11:13,241 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} #36#return; {3135#(and (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 1) (<= 1 (+ |fibo_#t~ret0| |fibo_#t~ret1|)))} is VALID [2020-07-28 19:11:13,242 INFO L280 TraceCheckUtils]: 15: Hoare triple {3135#(and (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 1) (<= 1 (+ |fibo_#t~ret0| |fibo_#t~ret1|)))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,243 INFO L280 TraceCheckUtils]: 16: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,244 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {2849#true} #34#return; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-07-28 19:11:13,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:13,264 INFO L280 TraceCheckUtils]: 0: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,264 INFO L280 TraceCheckUtils]: 1: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,265 INFO L280 TraceCheckUtils]: 2: Hoare triple {2849#true} assume 1 == ~n;#res := 1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,265 INFO L280 TraceCheckUtils]: 3: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,267 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} #36#return; {3124#(and (<= 2 (+ |fibo_#t~ret0| |fibo_#t~ret1|)) (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 2))} is VALID [2020-07-28 19:11:13,267 INFO L280 TraceCheckUtils]: 0: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,267 INFO L280 TraceCheckUtils]: 1: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,268 INFO L280 TraceCheckUtils]: 2: Hoare triple {2849#true} assume !(1 == ~n); {2849#true} is VALID [2020-07-28 19:11:13,268 INFO L263 TraceCheckUtils]: 3: Hoare triple {2849#true} call #t~ret0 := fibo(~n - 1); {2849#true} is VALID [2020-07-28 19:11:13,268 INFO L280 TraceCheckUtils]: 4: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,268 INFO L280 TraceCheckUtils]: 5: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,269 INFO L280 TraceCheckUtils]: 6: Hoare triple {2849#true} assume !(1 == ~n); {2849#true} is VALID [2020-07-28 19:11:13,269 INFO L263 TraceCheckUtils]: 7: Hoare triple {2849#true} call #t~ret0 := fibo(~n - 1); {2849#true} is VALID [2020-07-28 19:11:13,269 INFO L280 TraceCheckUtils]: 8: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,269 INFO L280 TraceCheckUtils]: 9: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,273 INFO L280 TraceCheckUtils]: 10: Hoare triple {2849#true} assume 1 == ~n;#res := 1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,274 INFO L280 TraceCheckUtils]: 11: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,275 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {2849#true} #34#return; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,276 INFO L280 TraceCheckUtils]: 13: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,276 INFO L263 TraceCheckUtils]: 14: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} call #t~ret1 := fibo(~n - 2); {2849#true} is VALID [2020-07-28 19:11:13,276 INFO L280 TraceCheckUtils]: 15: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,277 INFO L280 TraceCheckUtils]: 16: Hoare triple {2849#true} assume ~n < 1;#res := 0; {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} is VALID [2020-07-28 19:11:13,278 INFO L280 TraceCheckUtils]: 17: Hoare triple {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} assume true; {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} is VALID [2020-07-28 19:11:13,279 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} #36#return; {3135#(and (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 1) (<= 1 (+ |fibo_#t~ret0| |fibo_#t~ret1|)))} is VALID [2020-07-28 19:11:13,280 INFO L280 TraceCheckUtils]: 19: Hoare triple {3135#(and (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 1) (<= 1 (+ |fibo_#t~ret0| |fibo_#t~ret1|)))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,281 INFO L280 TraceCheckUtils]: 20: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,282 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {2849#true} #34#return; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,282 INFO L280 TraceCheckUtils]: 22: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,283 INFO L263 TraceCheckUtils]: 23: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} call #t~ret1 := fibo(~n - 2); {2849#true} is VALID [2020-07-28 19:11:13,283 INFO L280 TraceCheckUtils]: 24: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,283 INFO L280 TraceCheckUtils]: 25: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,284 INFO L280 TraceCheckUtils]: 26: Hoare triple {2849#true} assume 1 == ~n;#res := 1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,284 INFO L280 TraceCheckUtils]: 27: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,286 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} #36#return; {3124#(and (<= 2 (+ |fibo_#t~ret0| |fibo_#t~ret1|)) (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 2))} is VALID [2020-07-28 19:11:13,286 INFO L280 TraceCheckUtils]: 29: Hoare triple {3124#(and (<= 2 (+ |fibo_#t~ret0| |fibo_#t~ret1|)) (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 2))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3125#(and (<= 2 |fibo_#res|) (<= |fibo_#res| 2))} is VALID [2020-07-28 19:11:13,288 INFO L280 TraceCheckUtils]: 30: Hoare triple {3125#(and (<= 2 |fibo_#res|) (<= |fibo_#res| 2))} assume true; {3125#(and (<= 2 |fibo_#res|) (<= |fibo_#res| 2))} is VALID [2020-07-28 19:11:13,289 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {3125#(and (<= 2 |fibo_#res|) (<= |fibo_#res| 2))} {3012#(and (<= 3 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 3))} #36#return; {3045#(and (<= 5 (+ |fibo_#t~ret0| |fibo_#t~ret1|)) (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 5))} is VALID [2020-07-28 19:11:13,291 INFO L280 TraceCheckUtils]: 0: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,291 INFO L280 TraceCheckUtils]: 1: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,291 INFO L280 TraceCheckUtils]: 2: Hoare triple {2849#true} assume !(1 == ~n); {2849#true} is VALID [2020-07-28 19:11:13,291 INFO L263 TraceCheckUtils]: 3: Hoare triple {2849#true} call #t~ret0 := fibo(~n - 1); {2849#true} is VALID [2020-07-28 19:11:13,291 INFO L280 TraceCheckUtils]: 4: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,292 INFO L280 TraceCheckUtils]: 5: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,292 INFO L280 TraceCheckUtils]: 6: Hoare triple {2849#true} assume !(1 == ~n); {2849#true} is VALID [2020-07-28 19:11:13,292 INFO L263 TraceCheckUtils]: 7: Hoare triple {2849#true} call #t~ret0 := fibo(~n - 1); {2849#true} is VALID [2020-07-28 19:11:13,292 INFO L280 TraceCheckUtils]: 8: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,292 INFO L280 TraceCheckUtils]: 9: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,292 INFO L280 TraceCheckUtils]: 10: Hoare triple {2849#true} assume !(1 == ~n); {2849#true} is VALID [2020-07-28 19:11:13,293 INFO L263 TraceCheckUtils]: 11: Hoare triple {2849#true} call #t~ret0 := fibo(~n - 1); {2849#true} is VALID [2020-07-28 19:11:13,293 INFO L280 TraceCheckUtils]: 12: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,293 INFO L280 TraceCheckUtils]: 13: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,295 INFO L280 TraceCheckUtils]: 14: Hoare triple {2849#true} assume !(1 == ~n); {2849#true} is VALID [2020-07-28 19:11:13,295 INFO L263 TraceCheckUtils]: 15: Hoare triple {2849#true} call #t~ret0 := fibo(~n - 1); {2849#true} is VALID [2020-07-28 19:11:13,295 INFO L280 TraceCheckUtils]: 16: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,295 INFO L280 TraceCheckUtils]: 17: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,296 INFO L280 TraceCheckUtils]: 18: Hoare triple {2849#true} assume 1 == ~n;#res := 1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,297 INFO L280 TraceCheckUtils]: 19: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,298 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {2849#true} #34#return; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,299 INFO L280 TraceCheckUtils]: 21: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,299 INFO L263 TraceCheckUtils]: 22: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} call #t~ret1 := fibo(~n - 2); {2849#true} is VALID [2020-07-28 19:11:13,299 INFO L280 TraceCheckUtils]: 23: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,300 INFO L280 TraceCheckUtils]: 24: Hoare triple {2849#true} assume ~n < 1;#res := 0; {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} is VALID [2020-07-28 19:11:13,300 INFO L280 TraceCheckUtils]: 25: Hoare triple {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} assume true; {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} is VALID [2020-07-28 19:11:13,302 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} #36#return; {3135#(and (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 1) (<= 1 (+ |fibo_#t~ret0| |fibo_#t~ret1|)))} is VALID [2020-07-28 19:11:13,303 INFO L280 TraceCheckUtils]: 27: Hoare triple {3135#(and (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 1) (<= 1 (+ |fibo_#t~ret0| |fibo_#t~ret1|)))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,303 INFO L280 TraceCheckUtils]: 28: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,304 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {2849#true} #34#return; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,305 INFO L280 TraceCheckUtils]: 30: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,305 INFO L263 TraceCheckUtils]: 31: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} call #t~ret1 := fibo(~n - 2); {2849#true} is VALID [2020-07-28 19:11:13,306 INFO L280 TraceCheckUtils]: 32: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,306 INFO L280 TraceCheckUtils]: 33: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,307 INFO L280 TraceCheckUtils]: 34: Hoare triple {2849#true} assume 1 == ~n;#res := 1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,313 INFO L280 TraceCheckUtils]: 35: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,317 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} #36#return; {3124#(and (<= 2 (+ |fibo_#t~ret0| |fibo_#t~ret1|)) (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 2))} is VALID [2020-07-28 19:11:13,319 INFO L280 TraceCheckUtils]: 37: Hoare triple {3124#(and (<= 2 (+ |fibo_#t~ret0| |fibo_#t~ret1|)) (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 2))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3125#(and (<= 2 |fibo_#res|) (<= |fibo_#res| 2))} is VALID [2020-07-28 19:11:13,320 INFO L280 TraceCheckUtils]: 38: Hoare triple {3125#(and (<= 2 |fibo_#res|) (<= |fibo_#res| 2))} assume true; {3125#(and (<= 2 |fibo_#res|) (<= |fibo_#res| 2))} is VALID [2020-07-28 19:11:13,321 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {3125#(and (<= 2 |fibo_#res|) (<= |fibo_#res| 2))} {2849#true} #34#return; {3079#(and (<= |fibo_#t~ret0| 2) (<= 2 |fibo_#t~ret0|))} is VALID [2020-07-28 19:11:13,321 INFO L280 TraceCheckUtils]: 40: Hoare triple {3079#(and (<= |fibo_#t~ret0| 2) (<= 2 |fibo_#t~ret0|))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3079#(and (<= |fibo_#t~ret0| 2) (<= 2 |fibo_#t~ret0|))} is VALID [2020-07-28 19:11:13,322 INFO L263 TraceCheckUtils]: 41: Hoare triple {3079#(and (<= |fibo_#t~ret0| 2) (<= 2 |fibo_#t~ret0|))} call #t~ret1 := fibo(~n - 2); {2849#true} is VALID [2020-07-28 19:11:13,322 INFO L280 TraceCheckUtils]: 42: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,322 INFO L280 TraceCheckUtils]: 43: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,322 INFO L280 TraceCheckUtils]: 44: Hoare triple {2849#true} assume !(1 == ~n); {2849#true} is VALID [2020-07-28 19:11:13,322 INFO L263 TraceCheckUtils]: 45: Hoare triple {2849#true} call #t~ret0 := fibo(~n - 1); {2849#true} is VALID [2020-07-28 19:11:13,323 INFO L280 TraceCheckUtils]: 46: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,323 INFO L280 TraceCheckUtils]: 47: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,324 INFO L280 TraceCheckUtils]: 48: Hoare triple {2849#true} assume 1 == ~n;#res := 1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,325 INFO L280 TraceCheckUtils]: 49: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,326 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {2849#true} #34#return; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,326 INFO L280 TraceCheckUtils]: 51: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,327 INFO L263 TraceCheckUtils]: 52: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} call #t~ret1 := fibo(~n - 2); {2849#true} is VALID [2020-07-28 19:11:13,327 INFO L280 TraceCheckUtils]: 53: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,328 INFO L280 TraceCheckUtils]: 54: Hoare triple {2849#true} assume ~n < 1;#res := 0; {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} is VALID [2020-07-28 19:11:13,329 INFO L280 TraceCheckUtils]: 55: Hoare triple {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} assume true; {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} is VALID [2020-07-28 19:11:13,330 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} #36#return; {3135#(and (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 1) (<= 1 (+ |fibo_#t~ret0| |fibo_#t~ret1|)))} is VALID [2020-07-28 19:11:13,332 INFO L280 TraceCheckUtils]: 57: Hoare triple {3135#(and (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 1) (<= 1 (+ |fibo_#t~ret0| |fibo_#t~ret1|)))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,333 INFO L280 TraceCheckUtils]: 58: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,335 INFO L275 TraceCheckUtils]: 59: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {3079#(and (<= |fibo_#t~ret0| 2) (<= 2 |fibo_#t~ret0|))} #36#return; {3098#(and (<= 3 (+ |fibo_#t~ret0| |fibo_#t~ret1|)) (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 3))} is VALID [2020-07-28 19:11:13,336 INFO L280 TraceCheckUtils]: 60: Hoare triple {3098#(and (<= 3 (+ |fibo_#t~ret0| |fibo_#t~ret1|)) (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 3))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3099#(and (<= |fibo_#res| 3) (<= 3 |fibo_#res|))} is VALID [2020-07-28 19:11:13,337 INFO L280 TraceCheckUtils]: 61: Hoare triple {3099#(and (<= |fibo_#res| 3) (<= 3 |fibo_#res|))} assume true; {3099#(and (<= |fibo_#res| 3) (<= 3 |fibo_#res|))} is VALID [2020-07-28 19:11:13,338 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {3099#(and (<= |fibo_#res| 3) (<= 3 |fibo_#res|))} {2849#true} #34#return; {3012#(and (<= 3 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 3))} is VALID [2020-07-28 19:11:13,339 INFO L280 TraceCheckUtils]: 63: Hoare triple {3012#(and (<= 3 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 3))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3012#(and (<= 3 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 3))} is VALID [2020-07-28 19:11:13,339 INFO L263 TraceCheckUtils]: 64: Hoare triple {3012#(and (<= 3 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 3))} call #t~ret1 := fibo(~n - 2); {2849#true} is VALID [2020-07-28 19:11:13,339 INFO L280 TraceCheckUtils]: 65: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,339 INFO L280 TraceCheckUtils]: 66: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,340 INFO L280 TraceCheckUtils]: 67: Hoare triple {2849#true} assume !(1 == ~n); {2849#true} is VALID [2020-07-28 19:11:13,340 INFO L263 TraceCheckUtils]: 68: Hoare triple {2849#true} call #t~ret0 := fibo(~n - 1); {2849#true} is VALID [2020-07-28 19:11:13,340 INFO L280 TraceCheckUtils]: 69: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,341 INFO L280 TraceCheckUtils]: 70: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,341 INFO L280 TraceCheckUtils]: 71: Hoare triple {2849#true} assume !(1 == ~n); {2849#true} is VALID [2020-07-28 19:11:13,341 INFO L263 TraceCheckUtils]: 72: Hoare triple {2849#true} call #t~ret0 := fibo(~n - 1); {2849#true} is VALID [2020-07-28 19:11:13,342 INFO L280 TraceCheckUtils]: 73: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,342 INFO L280 TraceCheckUtils]: 74: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,343 INFO L280 TraceCheckUtils]: 75: Hoare triple {2849#true} assume 1 == ~n;#res := 1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,344 INFO L280 TraceCheckUtils]: 76: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,345 INFO L275 TraceCheckUtils]: 77: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {2849#true} #34#return; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,346 INFO L280 TraceCheckUtils]: 78: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,346 INFO L263 TraceCheckUtils]: 79: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} call #t~ret1 := fibo(~n - 2); {2849#true} is VALID [2020-07-28 19:11:13,347 INFO L280 TraceCheckUtils]: 80: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,347 INFO L280 TraceCheckUtils]: 81: Hoare triple {2849#true} assume ~n < 1;#res := 0; {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} is VALID [2020-07-28 19:11:13,348 INFO L280 TraceCheckUtils]: 82: Hoare triple {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} assume true; {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} is VALID [2020-07-28 19:11:13,350 INFO L275 TraceCheckUtils]: 83: Hoare quadruple {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} #36#return; {3135#(and (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 1) (<= 1 (+ |fibo_#t~ret0| |fibo_#t~ret1|)))} is VALID [2020-07-28 19:11:13,352 INFO L280 TraceCheckUtils]: 84: Hoare triple {3135#(and (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 1) (<= 1 (+ |fibo_#t~ret0| |fibo_#t~ret1|)))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,353 INFO L280 TraceCheckUtils]: 85: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,354 INFO L275 TraceCheckUtils]: 86: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {2849#true} #34#return; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,355 INFO L280 TraceCheckUtils]: 87: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,355 INFO L263 TraceCheckUtils]: 88: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} call #t~ret1 := fibo(~n - 2); {2849#true} is VALID [2020-07-28 19:11:13,355 INFO L280 TraceCheckUtils]: 89: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,356 INFO L280 TraceCheckUtils]: 90: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,357 INFO L280 TraceCheckUtils]: 91: Hoare triple {2849#true} assume 1 == ~n;#res := 1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,357 INFO L280 TraceCheckUtils]: 92: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,359 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} #36#return; {3124#(and (<= 2 (+ |fibo_#t~ret0| |fibo_#t~ret1|)) (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 2))} is VALID [2020-07-28 19:11:13,360 INFO L280 TraceCheckUtils]: 94: Hoare triple {3124#(and (<= 2 (+ |fibo_#t~ret0| |fibo_#t~ret1|)) (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 2))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3125#(and (<= 2 |fibo_#res|) (<= |fibo_#res| 2))} is VALID [2020-07-28 19:11:13,361 INFO L280 TraceCheckUtils]: 95: Hoare triple {3125#(and (<= 2 |fibo_#res|) (<= |fibo_#res| 2))} assume true; {3125#(and (<= 2 |fibo_#res|) (<= |fibo_#res| 2))} is VALID [2020-07-28 19:11:13,363 INFO L275 TraceCheckUtils]: 96: Hoare quadruple {3125#(and (<= 2 |fibo_#res|) (<= |fibo_#res| 2))} {3012#(and (<= 3 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 3))} #36#return; {3045#(and (<= 5 (+ |fibo_#t~ret0| |fibo_#t~ret1|)) (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 5))} is VALID [2020-07-28 19:11:13,364 INFO L280 TraceCheckUtils]: 97: Hoare triple {3045#(and (<= 5 (+ |fibo_#t~ret0| |fibo_#t~ret1|)) (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 5))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3046#(and (<= 5 |fibo_#res|) (<= |fibo_#res| 5))} is VALID [2020-07-28 19:11:13,366 INFO L280 TraceCheckUtils]: 98: Hoare triple {3046#(and (<= 5 |fibo_#res|) (<= |fibo_#res| 5))} assume true; {3046#(and (<= 5 |fibo_#res|) (<= |fibo_#res| 5))} is VALID [2020-07-28 19:11:13,367 INFO L275 TraceCheckUtils]: 99: Hoare quadruple {3046#(and (<= 5 |fibo_#res|) (<= |fibo_#res| 5))} {2849#true} #32#return; {2951#(and (<= |ULTIMATE.start_main_#t~ret2| 5) (<= 5 |ULTIMATE.start_main_#t~ret2|))} is VALID [2020-07-28 19:11:13,385 INFO L280 TraceCheckUtils]: 0: Hoare triple {2849#true} havoc main_#res;havoc main_#t~ret2, main_~x~0, main_~result~0;main_~x~0 := 5; {2849#true} is VALID [2020-07-28 19:11:13,386 INFO L263 TraceCheckUtils]: 1: Hoare triple {2849#true} call main_#t~ret2 := fibo(main_~x~0); {2849#true} is VALID [2020-07-28 19:11:13,386 INFO L280 TraceCheckUtils]: 2: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,387 INFO L280 TraceCheckUtils]: 3: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,387 INFO L280 TraceCheckUtils]: 4: Hoare triple {2849#true} assume !(1 == ~n); {2849#true} is VALID [2020-07-28 19:11:13,387 INFO L263 TraceCheckUtils]: 5: Hoare triple {2849#true} call #t~ret0 := fibo(~n - 1); {2849#true} is VALID [2020-07-28 19:11:13,387 INFO L280 TraceCheckUtils]: 6: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,388 INFO L280 TraceCheckUtils]: 7: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,388 INFO L280 TraceCheckUtils]: 8: Hoare triple {2849#true} assume !(1 == ~n); {2849#true} is VALID [2020-07-28 19:11:13,388 INFO L263 TraceCheckUtils]: 9: Hoare triple {2849#true} call #t~ret0 := fibo(~n - 1); {2849#true} is VALID [2020-07-28 19:11:13,388 INFO L280 TraceCheckUtils]: 10: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,389 INFO L280 TraceCheckUtils]: 11: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,389 INFO L280 TraceCheckUtils]: 12: Hoare triple {2849#true} assume !(1 == ~n); {2849#true} is VALID [2020-07-28 19:11:13,389 INFO L263 TraceCheckUtils]: 13: Hoare triple {2849#true} call #t~ret0 := fibo(~n - 1); {2849#true} is VALID [2020-07-28 19:11:13,389 INFO L280 TraceCheckUtils]: 14: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,390 INFO L280 TraceCheckUtils]: 15: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,390 INFO L280 TraceCheckUtils]: 16: Hoare triple {2849#true} assume !(1 == ~n); {2849#true} is VALID [2020-07-28 19:11:13,390 INFO L263 TraceCheckUtils]: 17: Hoare triple {2849#true} call #t~ret0 := fibo(~n - 1); {2849#true} is VALID [2020-07-28 19:11:13,390 INFO L280 TraceCheckUtils]: 18: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,390 INFO L280 TraceCheckUtils]: 19: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,391 INFO L280 TraceCheckUtils]: 20: Hoare triple {2849#true} assume 1 == ~n;#res := 1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,392 INFO L280 TraceCheckUtils]: 21: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,395 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {2849#true} #34#return; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,396 INFO L280 TraceCheckUtils]: 23: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,396 INFO L263 TraceCheckUtils]: 24: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} call #t~ret1 := fibo(~n - 2); {2849#true} is VALID [2020-07-28 19:11:13,397 INFO L280 TraceCheckUtils]: 25: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,397 INFO L280 TraceCheckUtils]: 26: Hoare triple {2849#true} assume ~n < 1;#res := 0; {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} is VALID [2020-07-28 19:11:13,398 INFO L280 TraceCheckUtils]: 27: Hoare triple {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} assume true; {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} is VALID [2020-07-28 19:11:13,400 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} #36#return; {3135#(and (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 1) (<= 1 (+ |fibo_#t~ret0| |fibo_#t~ret1|)))} is VALID [2020-07-28 19:11:13,401 INFO L280 TraceCheckUtils]: 29: Hoare triple {3135#(and (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 1) (<= 1 (+ |fibo_#t~ret0| |fibo_#t~ret1|)))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,402 INFO L280 TraceCheckUtils]: 30: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,403 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {2849#true} #34#return; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,404 INFO L280 TraceCheckUtils]: 32: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,404 INFO L263 TraceCheckUtils]: 33: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} call #t~ret1 := fibo(~n - 2); {2849#true} is VALID [2020-07-28 19:11:13,404 INFO L280 TraceCheckUtils]: 34: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,404 INFO L280 TraceCheckUtils]: 35: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,405 INFO L280 TraceCheckUtils]: 36: Hoare triple {2849#true} assume 1 == ~n;#res := 1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,406 INFO L280 TraceCheckUtils]: 37: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,408 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} #36#return; {3124#(and (<= 2 (+ |fibo_#t~ret0| |fibo_#t~ret1|)) (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 2))} is VALID [2020-07-28 19:11:13,409 INFO L280 TraceCheckUtils]: 39: Hoare triple {3124#(and (<= 2 (+ |fibo_#t~ret0| |fibo_#t~ret1|)) (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 2))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3125#(and (<= 2 |fibo_#res|) (<= |fibo_#res| 2))} is VALID [2020-07-28 19:11:13,410 INFO L280 TraceCheckUtils]: 40: Hoare triple {3125#(and (<= 2 |fibo_#res|) (<= |fibo_#res| 2))} assume true; {3125#(and (<= 2 |fibo_#res|) (<= |fibo_#res| 2))} is VALID [2020-07-28 19:11:13,411 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {3125#(and (<= 2 |fibo_#res|) (<= |fibo_#res| 2))} {2849#true} #34#return; {3079#(and (<= |fibo_#t~ret0| 2) (<= 2 |fibo_#t~ret0|))} is VALID [2020-07-28 19:11:13,412 INFO L280 TraceCheckUtils]: 42: Hoare triple {3079#(and (<= |fibo_#t~ret0| 2) (<= 2 |fibo_#t~ret0|))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3079#(and (<= |fibo_#t~ret0| 2) (<= 2 |fibo_#t~ret0|))} is VALID [2020-07-28 19:11:13,412 INFO L263 TraceCheckUtils]: 43: Hoare triple {3079#(and (<= |fibo_#t~ret0| 2) (<= 2 |fibo_#t~ret0|))} call #t~ret1 := fibo(~n - 2); {2849#true} is VALID [2020-07-28 19:11:13,412 INFO L280 TraceCheckUtils]: 44: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,413 INFO L280 TraceCheckUtils]: 45: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,413 INFO L280 TraceCheckUtils]: 46: Hoare triple {2849#true} assume !(1 == ~n); {2849#true} is VALID [2020-07-28 19:11:13,413 INFO L263 TraceCheckUtils]: 47: Hoare triple {2849#true} call #t~ret0 := fibo(~n - 1); {2849#true} is VALID [2020-07-28 19:11:13,413 INFO L280 TraceCheckUtils]: 48: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,413 INFO L280 TraceCheckUtils]: 49: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,414 INFO L280 TraceCheckUtils]: 50: Hoare triple {2849#true} assume 1 == ~n;#res := 1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,415 INFO L280 TraceCheckUtils]: 51: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,416 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {2849#true} #34#return; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,417 INFO L280 TraceCheckUtils]: 53: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,417 INFO L263 TraceCheckUtils]: 54: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} call #t~ret1 := fibo(~n - 2); {2849#true} is VALID [2020-07-28 19:11:13,417 INFO L280 TraceCheckUtils]: 55: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,418 INFO L280 TraceCheckUtils]: 56: Hoare triple {2849#true} assume ~n < 1;#res := 0; {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} is VALID [2020-07-28 19:11:13,419 INFO L280 TraceCheckUtils]: 57: Hoare triple {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} assume true; {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} is VALID [2020-07-28 19:11:13,421 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} #36#return; {3135#(and (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 1) (<= 1 (+ |fibo_#t~ret0| |fibo_#t~ret1|)))} is VALID [2020-07-28 19:11:13,422 INFO L280 TraceCheckUtils]: 59: Hoare triple {3135#(and (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 1) (<= 1 (+ |fibo_#t~ret0| |fibo_#t~ret1|)))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,423 INFO L280 TraceCheckUtils]: 60: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,424 INFO L275 TraceCheckUtils]: 61: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {3079#(and (<= |fibo_#t~ret0| 2) (<= 2 |fibo_#t~ret0|))} #36#return; {3098#(and (<= 3 (+ |fibo_#t~ret0| |fibo_#t~ret1|)) (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 3))} is VALID [2020-07-28 19:11:13,425 INFO L280 TraceCheckUtils]: 62: Hoare triple {3098#(and (<= 3 (+ |fibo_#t~ret0| |fibo_#t~ret1|)) (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 3))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3099#(and (<= |fibo_#res| 3) (<= 3 |fibo_#res|))} is VALID [2020-07-28 19:11:13,426 INFO L280 TraceCheckUtils]: 63: Hoare triple {3099#(and (<= |fibo_#res| 3) (<= 3 |fibo_#res|))} assume true; {3099#(and (<= |fibo_#res| 3) (<= 3 |fibo_#res|))} is VALID [2020-07-28 19:11:13,427 INFO L275 TraceCheckUtils]: 64: Hoare quadruple {3099#(and (<= |fibo_#res| 3) (<= 3 |fibo_#res|))} {2849#true} #34#return; {3012#(and (<= 3 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 3))} is VALID [2020-07-28 19:11:13,428 INFO L280 TraceCheckUtils]: 65: Hoare triple {3012#(and (<= 3 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 3))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3012#(and (<= 3 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 3))} is VALID [2020-07-28 19:11:13,429 INFO L263 TraceCheckUtils]: 66: Hoare triple {3012#(and (<= 3 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 3))} call #t~ret1 := fibo(~n - 2); {2849#true} is VALID [2020-07-28 19:11:13,429 INFO L280 TraceCheckUtils]: 67: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,429 INFO L280 TraceCheckUtils]: 68: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,429 INFO L280 TraceCheckUtils]: 69: Hoare triple {2849#true} assume !(1 == ~n); {2849#true} is VALID [2020-07-28 19:11:13,430 INFO L263 TraceCheckUtils]: 70: Hoare triple {2849#true} call #t~ret0 := fibo(~n - 1); {2849#true} is VALID [2020-07-28 19:11:13,430 INFO L280 TraceCheckUtils]: 71: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,430 INFO L280 TraceCheckUtils]: 72: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,430 INFO L280 TraceCheckUtils]: 73: Hoare triple {2849#true} assume !(1 == ~n); {2849#true} is VALID [2020-07-28 19:11:13,430 INFO L263 TraceCheckUtils]: 74: Hoare triple {2849#true} call #t~ret0 := fibo(~n - 1); {2849#true} is VALID [2020-07-28 19:11:13,431 INFO L280 TraceCheckUtils]: 75: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,431 INFO L280 TraceCheckUtils]: 76: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,432 INFO L280 TraceCheckUtils]: 77: Hoare triple {2849#true} assume 1 == ~n;#res := 1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,433 INFO L280 TraceCheckUtils]: 78: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,434 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {2849#true} #34#return; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,435 INFO L280 TraceCheckUtils]: 80: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,435 INFO L263 TraceCheckUtils]: 81: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} call #t~ret1 := fibo(~n - 2); {2849#true} is VALID [2020-07-28 19:11:13,435 INFO L280 TraceCheckUtils]: 82: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,436 INFO L280 TraceCheckUtils]: 83: Hoare triple {2849#true} assume ~n < 1;#res := 0; {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} is VALID [2020-07-28 19:11:13,437 INFO L280 TraceCheckUtils]: 84: Hoare triple {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} assume true; {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} is VALID [2020-07-28 19:11:13,438 INFO L275 TraceCheckUtils]: 85: Hoare quadruple {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} #36#return; {3135#(and (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 1) (<= 1 (+ |fibo_#t~ret0| |fibo_#t~ret1|)))} is VALID [2020-07-28 19:11:13,440 INFO L280 TraceCheckUtils]: 86: Hoare triple {3135#(and (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 1) (<= 1 (+ |fibo_#t~ret0| |fibo_#t~ret1|)))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,441 INFO L280 TraceCheckUtils]: 87: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,442 INFO L275 TraceCheckUtils]: 88: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {2849#true} #34#return; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,443 INFO L280 TraceCheckUtils]: 89: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:13,443 INFO L263 TraceCheckUtils]: 90: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} call #t~ret1 := fibo(~n - 2); {2849#true} is VALID [2020-07-28 19:11:13,443 INFO L280 TraceCheckUtils]: 91: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:13,444 INFO L280 TraceCheckUtils]: 92: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:13,444 INFO L280 TraceCheckUtils]: 93: Hoare triple {2849#true} assume 1 == ~n;#res := 1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,445 INFO L280 TraceCheckUtils]: 94: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:13,447 INFO L275 TraceCheckUtils]: 95: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} #36#return; {3124#(and (<= 2 (+ |fibo_#t~ret0| |fibo_#t~ret1|)) (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 2))} is VALID [2020-07-28 19:11:13,448 INFO L280 TraceCheckUtils]: 96: Hoare triple {3124#(and (<= 2 (+ |fibo_#t~ret0| |fibo_#t~ret1|)) (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 2))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3125#(and (<= 2 |fibo_#res|) (<= |fibo_#res| 2))} is VALID [2020-07-28 19:11:13,449 INFO L280 TraceCheckUtils]: 97: Hoare triple {3125#(and (<= 2 |fibo_#res|) (<= |fibo_#res| 2))} assume true; {3125#(and (<= 2 |fibo_#res|) (<= |fibo_#res| 2))} is VALID [2020-07-28 19:11:13,450 INFO L275 TraceCheckUtils]: 98: Hoare quadruple {3125#(and (<= 2 |fibo_#res|) (<= |fibo_#res| 2))} {3012#(and (<= 3 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 3))} #36#return; {3045#(and (<= 5 (+ |fibo_#t~ret0| |fibo_#t~ret1|)) (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 5))} is VALID [2020-07-28 19:11:13,451 INFO L280 TraceCheckUtils]: 99: Hoare triple {3045#(and (<= 5 (+ |fibo_#t~ret0| |fibo_#t~ret1|)) (<= (+ |fibo_#t~ret0| |fibo_#t~ret1|) 5))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3046#(and (<= 5 |fibo_#res|) (<= |fibo_#res| 5))} is VALID [2020-07-28 19:11:13,452 INFO L280 TraceCheckUtils]: 100: Hoare triple {3046#(and (<= 5 |fibo_#res|) (<= |fibo_#res| 5))} assume true; {3046#(and (<= 5 |fibo_#res|) (<= |fibo_#res| 5))} is VALID [2020-07-28 19:11:13,454 INFO L275 TraceCheckUtils]: 101: Hoare quadruple {3046#(and (<= 5 |fibo_#res|) (<= |fibo_#res| 5))} {2849#true} #32#return; {2951#(and (<= |ULTIMATE.start_main_#t~ret2| 5) (<= 5 |ULTIMATE.start_main_#t~ret2|))} is VALID [2020-07-28 19:11:13,455 INFO L280 TraceCheckUtils]: 102: Hoare triple {2951#(and (<= |ULTIMATE.start_main_#t~ret2| 5) (<= 5 |ULTIMATE.start_main_#t~ret2|))} assume -2147483648 <= main_#t~ret2 && main_#t~ret2 <= 2147483647;main_~result~0 := main_#t~ret2;havoc main_#t~ret2; {2952#(and (<= ULTIMATE.start_main_~result~0 5) (<= 5 ULTIMATE.start_main_~result~0))} is VALID [2020-07-28 19:11:13,455 INFO L280 TraceCheckUtils]: 103: Hoare triple {2952#(and (<= ULTIMATE.start_main_~result~0 5) (<= 5 ULTIMATE.start_main_~result~0))} assume 5 != main_~result~0; {2850#false} is VALID [2020-07-28 19:11:13,456 INFO L280 TraceCheckUtils]: 104: Hoare triple {2850#false} assume !false; {2850#false} is VALID [2020-07-28 19:11:13,470 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 185 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2020-07-28 19:11:13,471 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154807132] [2020-07-28 19:11:13,471 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [89364930] [2020-07-28 19:11:13,471 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 19:11:13,524 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2020-07-28 19:11:13,525 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-28 19:11:13,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 63 conjunts are in the unsatisfiable core [2020-07-28 19:11:13,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:13,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 19:11:14,578 INFO L280 TraceCheckUtils]: 0: Hoare triple {2849#true} havoc main_#res;havoc main_#t~ret2, main_~x~0, main_~result~0;main_~x~0 := 5; {2849#true} is VALID [2020-07-28 19:11:14,578 INFO L263 TraceCheckUtils]: 1: Hoare triple {2849#true} call main_#t~ret2 := fibo(main_~x~0); {2849#true} is VALID [2020-07-28 19:11:14,578 INFO L280 TraceCheckUtils]: 2: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:14,578 INFO L280 TraceCheckUtils]: 3: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:14,579 INFO L280 TraceCheckUtils]: 4: Hoare triple {2849#true} assume !(1 == ~n); {2849#true} is VALID [2020-07-28 19:11:14,579 INFO L263 TraceCheckUtils]: 5: Hoare triple {2849#true} call #t~ret0 := fibo(~n - 1); {2849#true} is VALID [2020-07-28 19:11:14,579 INFO L280 TraceCheckUtils]: 6: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:14,579 INFO L280 TraceCheckUtils]: 7: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:14,579 INFO L280 TraceCheckUtils]: 8: Hoare triple {2849#true} assume !(1 == ~n); {2849#true} is VALID [2020-07-28 19:11:14,580 INFO L263 TraceCheckUtils]: 9: Hoare triple {2849#true} call #t~ret0 := fibo(~n - 1); {2849#true} is VALID [2020-07-28 19:11:14,580 INFO L280 TraceCheckUtils]: 10: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:14,580 INFO L280 TraceCheckUtils]: 11: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:14,580 INFO L280 TraceCheckUtils]: 12: Hoare triple {2849#true} assume !(1 == ~n); {2849#true} is VALID [2020-07-28 19:11:14,581 INFO L263 TraceCheckUtils]: 13: Hoare triple {2849#true} call #t~ret0 := fibo(~n - 1); {2849#true} is VALID [2020-07-28 19:11:14,581 INFO L280 TraceCheckUtils]: 14: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:14,581 INFO L280 TraceCheckUtils]: 15: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:14,581 INFO L280 TraceCheckUtils]: 16: Hoare triple {2849#true} assume !(1 == ~n); {2849#true} is VALID [2020-07-28 19:11:14,582 INFO L263 TraceCheckUtils]: 17: Hoare triple {2849#true} call #t~ret0 := fibo(~n - 1); {2849#true} is VALID [2020-07-28 19:11:14,582 INFO L280 TraceCheckUtils]: 18: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:14,582 INFO L280 TraceCheckUtils]: 19: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:14,588 INFO L280 TraceCheckUtils]: 20: Hoare triple {2849#true} assume 1 == ~n;#res := 1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:14,589 INFO L280 TraceCheckUtils]: 21: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:14,590 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {2849#true} #34#return; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:14,590 INFO L280 TraceCheckUtils]: 23: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:14,591 INFO L263 TraceCheckUtils]: 24: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} call #t~ret1 := fibo(~n - 2); {2849#true} is VALID [2020-07-28 19:11:14,591 INFO L280 TraceCheckUtils]: 25: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:14,591 INFO L280 TraceCheckUtils]: 26: Hoare triple {2849#true} assume ~n < 1;#res := 0; {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} is VALID [2020-07-28 19:11:14,592 INFO L280 TraceCheckUtils]: 27: Hoare triple {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} assume true; {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} is VALID [2020-07-28 19:11:14,593 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} #36#return; {3266#(and (<= 1 |fibo_#t~ret0|) (<= 0 |fibo_#t~ret1|) (<= |fibo_#t~ret0| 1) (<= |fibo_#t~ret1| 0))} is VALID [2020-07-28 19:11:14,594 INFO L280 TraceCheckUtils]: 29: Hoare triple {3266#(and (<= 1 |fibo_#t~ret0|) (<= 0 |fibo_#t~ret1|) (<= |fibo_#t~ret0| 1) (<= |fibo_#t~ret1| 0))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:14,595 INFO L280 TraceCheckUtils]: 30: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:14,596 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {2849#true} #34#return; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:14,596 INFO L280 TraceCheckUtils]: 32: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:14,596 INFO L263 TraceCheckUtils]: 33: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} call #t~ret1 := fibo(~n - 2); {2849#true} is VALID [2020-07-28 19:11:14,596 INFO L280 TraceCheckUtils]: 34: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:14,597 INFO L280 TraceCheckUtils]: 35: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:14,597 INFO L280 TraceCheckUtils]: 36: Hoare triple {2849#true} assume 1 == ~n;#res := 1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:14,604 INFO L280 TraceCheckUtils]: 37: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:14,606 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} #36#return; {3297#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1) (<= |fibo_#t~ret1| 1) (<= 1 |fibo_#t~ret1|))} is VALID [2020-07-28 19:11:14,607 INFO L280 TraceCheckUtils]: 39: Hoare triple {3297#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1) (<= |fibo_#t~ret1| 1) (<= 1 |fibo_#t~ret1|))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3125#(and (<= 2 |fibo_#res|) (<= |fibo_#res| 2))} is VALID [2020-07-28 19:11:14,607 INFO L280 TraceCheckUtils]: 40: Hoare triple {3125#(and (<= 2 |fibo_#res|) (<= |fibo_#res| 2))} assume true; {3125#(and (<= 2 |fibo_#res|) (<= |fibo_#res| 2))} is VALID [2020-07-28 19:11:14,608 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {3125#(and (<= 2 |fibo_#res|) (<= |fibo_#res| 2))} {2849#true} #34#return; {3079#(and (<= |fibo_#t~ret0| 2) (<= 2 |fibo_#t~ret0|))} is VALID [2020-07-28 19:11:14,609 INFO L280 TraceCheckUtils]: 42: Hoare triple {3079#(and (<= |fibo_#t~ret0| 2) (<= 2 |fibo_#t~ret0|))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3079#(and (<= |fibo_#t~ret0| 2) (<= 2 |fibo_#t~ret0|))} is VALID [2020-07-28 19:11:14,609 INFO L263 TraceCheckUtils]: 43: Hoare triple {3079#(and (<= |fibo_#t~ret0| 2) (<= 2 |fibo_#t~ret0|))} call #t~ret1 := fibo(~n - 2); {2849#true} is VALID [2020-07-28 19:11:14,610 INFO L280 TraceCheckUtils]: 44: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:14,610 INFO L280 TraceCheckUtils]: 45: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:14,610 INFO L280 TraceCheckUtils]: 46: Hoare triple {2849#true} assume !(1 == ~n); {2849#true} is VALID [2020-07-28 19:11:14,610 INFO L263 TraceCheckUtils]: 47: Hoare triple {2849#true} call #t~ret0 := fibo(~n - 1); {2849#true} is VALID [2020-07-28 19:11:14,611 INFO L280 TraceCheckUtils]: 48: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:14,611 INFO L280 TraceCheckUtils]: 49: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:14,612 INFO L280 TraceCheckUtils]: 50: Hoare triple {2849#true} assume 1 == ~n;#res := 1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:14,612 INFO L280 TraceCheckUtils]: 51: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:14,613 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {2849#true} #34#return; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:14,614 INFO L280 TraceCheckUtils]: 53: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:14,614 INFO L263 TraceCheckUtils]: 54: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} call #t~ret1 := fibo(~n - 2); {2849#true} is VALID [2020-07-28 19:11:14,615 INFO L280 TraceCheckUtils]: 55: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:14,615 INFO L280 TraceCheckUtils]: 56: Hoare triple {2849#true} assume ~n < 1;#res := 0; {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} is VALID [2020-07-28 19:11:14,616 INFO L280 TraceCheckUtils]: 57: Hoare triple {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} assume true; {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} is VALID [2020-07-28 19:11:14,617 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} #36#return; {3266#(and (<= 1 |fibo_#t~ret0|) (<= 0 |fibo_#t~ret1|) (<= |fibo_#t~ret0| 1) (<= |fibo_#t~ret1| 0))} is VALID [2020-07-28 19:11:14,619 INFO L280 TraceCheckUtils]: 59: Hoare triple {3266#(and (<= 1 |fibo_#t~ret0|) (<= 0 |fibo_#t~ret1|) (<= |fibo_#t~ret0| 1) (<= |fibo_#t~ret1| 0))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:14,621 INFO L280 TraceCheckUtils]: 60: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:14,622 INFO L275 TraceCheckUtils]: 61: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {3079#(and (<= |fibo_#t~ret0| 2) (<= 2 |fibo_#t~ret0|))} #36#return; {3367#(and (<= |fibo_#t~ret0| 2) (<= |fibo_#t~ret1| 1) (<= 1 |fibo_#t~ret1|) (<= 2 |fibo_#t~ret0|))} is VALID [2020-07-28 19:11:14,623 INFO L280 TraceCheckUtils]: 62: Hoare triple {3367#(and (<= |fibo_#t~ret0| 2) (<= |fibo_#t~ret1| 1) (<= 1 |fibo_#t~ret1|) (<= 2 |fibo_#t~ret0|))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3099#(and (<= |fibo_#res| 3) (<= 3 |fibo_#res|))} is VALID [2020-07-28 19:11:14,626 INFO L280 TraceCheckUtils]: 63: Hoare triple {3099#(and (<= |fibo_#res| 3) (<= 3 |fibo_#res|))} assume true; {3099#(and (<= |fibo_#res| 3) (<= 3 |fibo_#res|))} is VALID [2020-07-28 19:11:14,628 INFO L275 TraceCheckUtils]: 64: Hoare quadruple {3099#(and (<= |fibo_#res| 3) (<= 3 |fibo_#res|))} {2849#true} #34#return; {3012#(and (<= 3 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 3))} is VALID [2020-07-28 19:11:14,629 INFO L280 TraceCheckUtils]: 65: Hoare triple {3012#(and (<= 3 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 3))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3012#(and (<= 3 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 3))} is VALID [2020-07-28 19:11:14,629 INFO L263 TraceCheckUtils]: 66: Hoare triple {3012#(and (<= 3 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 3))} call #t~ret1 := fibo(~n - 2); {2849#true} is VALID [2020-07-28 19:11:14,629 INFO L280 TraceCheckUtils]: 67: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:14,629 INFO L280 TraceCheckUtils]: 68: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:14,630 INFO L280 TraceCheckUtils]: 69: Hoare triple {2849#true} assume !(1 == ~n); {2849#true} is VALID [2020-07-28 19:11:14,630 INFO L263 TraceCheckUtils]: 70: Hoare triple {2849#true} call #t~ret0 := fibo(~n - 1); {2849#true} is VALID [2020-07-28 19:11:14,630 INFO L280 TraceCheckUtils]: 71: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:14,630 INFO L280 TraceCheckUtils]: 72: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:14,630 INFO L280 TraceCheckUtils]: 73: Hoare triple {2849#true} assume !(1 == ~n); {2849#true} is VALID [2020-07-28 19:11:14,630 INFO L263 TraceCheckUtils]: 74: Hoare triple {2849#true} call #t~ret0 := fibo(~n - 1); {2849#true} is VALID [2020-07-28 19:11:14,631 INFO L280 TraceCheckUtils]: 75: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:14,631 INFO L280 TraceCheckUtils]: 76: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:14,632 INFO L280 TraceCheckUtils]: 77: Hoare triple {2849#true} assume 1 == ~n;#res := 1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:14,633 INFO L280 TraceCheckUtils]: 78: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:14,634 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {2849#true} #34#return; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:14,635 INFO L280 TraceCheckUtils]: 80: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:14,635 INFO L263 TraceCheckUtils]: 81: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} call #t~ret1 := fibo(~n - 2); {2849#true} is VALID [2020-07-28 19:11:14,635 INFO L280 TraceCheckUtils]: 82: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:14,636 INFO L280 TraceCheckUtils]: 83: Hoare triple {2849#true} assume ~n < 1;#res := 0; {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} is VALID [2020-07-28 19:11:14,637 INFO L280 TraceCheckUtils]: 84: Hoare triple {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} assume true; {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} is VALID [2020-07-28 19:11:14,638 INFO L275 TraceCheckUtils]: 85: Hoare quadruple {3137#(and (<= 0 |fibo_#res|) (<= |fibo_#res| 0))} {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} #36#return; {3266#(and (<= 1 |fibo_#t~ret0|) (<= 0 |fibo_#t~ret1|) (<= |fibo_#t~ret0| 1) (<= |fibo_#t~ret1| 0))} is VALID [2020-07-28 19:11:14,639 INFO L280 TraceCheckUtils]: 86: Hoare triple {3266#(and (<= 1 |fibo_#t~ret0|) (<= 0 |fibo_#t~ret1|) (<= |fibo_#t~ret0| 1) (<= |fibo_#t~ret1| 0))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:14,640 INFO L280 TraceCheckUtils]: 87: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:14,641 INFO L275 TraceCheckUtils]: 88: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {2849#true} #34#return; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:14,642 INFO L280 TraceCheckUtils]: 89: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} is VALID [2020-07-28 19:11:14,642 INFO L263 TraceCheckUtils]: 90: Hoare triple {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} call #t~ret1 := fibo(~n - 2); {2849#true} is VALID [2020-07-28 19:11:14,642 INFO L280 TraceCheckUtils]: 91: Hoare triple {2849#true} ~n := #in~n; {2849#true} is VALID [2020-07-28 19:11:14,643 INFO L280 TraceCheckUtils]: 92: Hoare triple {2849#true} assume !(~n < 1); {2849#true} is VALID [2020-07-28 19:11:14,643 INFO L280 TraceCheckUtils]: 93: Hoare triple {2849#true} assume 1 == ~n;#res := 1; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:14,644 INFO L280 TraceCheckUtils]: 94: Hoare triple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} assume true; {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} is VALID [2020-07-28 19:11:14,645 INFO L275 TraceCheckUtils]: 95: Hoare quadruple {3136#(and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))} {3118#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1))} #36#return; {3297#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1) (<= |fibo_#t~ret1| 1) (<= 1 |fibo_#t~ret1|))} is VALID [2020-07-28 19:11:14,647 INFO L280 TraceCheckUtils]: 96: Hoare triple {3297#(and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1) (<= |fibo_#t~ret1| 1) (<= 1 |fibo_#t~ret1|))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3125#(and (<= 2 |fibo_#res|) (<= |fibo_#res| 2))} is VALID [2020-07-28 19:11:14,647 INFO L280 TraceCheckUtils]: 97: Hoare triple {3125#(and (<= 2 |fibo_#res|) (<= |fibo_#res| 2))} assume true; {3125#(and (<= 2 |fibo_#res|) (<= |fibo_#res| 2))} is VALID [2020-07-28 19:11:14,649 INFO L275 TraceCheckUtils]: 98: Hoare quadruple {3125#(and (<= 2 |fibo_#res|) (<= |fibo_#res| 2))} {3012#(and (<= 3 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 3))} #36#return; {3479#(and (<= 3 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 3) (<= |fibo_#t~ret1| 2) (<= 2 |fibo_#t~ret1|))} is VALID [2020-07-28 19:11:14,650 INFO L280 TraceCheckUtils]: 99: Hoare triple {3479#(and (<= 3 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 3) (<= |fibo_#t~ret1| 2) (<= 2 |fibo_#t~ret1|))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3046#(and (<= 5 |fibo_#res|) (<= |fibo_#res| 5))} is VALID [2020-07-28 19:11:14,650 INFO L280 TraceCheckUtils]: 100: Hoare triple {3046#(and (<= 5 |fibo_#res|) (<= |fibo_#res| 5))} assume true; {3046#(and (<= 5 |fibo_#res|) (<= |fibo_#res| 5))} is VALID [2020-07-28 19:11:14,651 INFO L275 TraceCheckUtils]: 101: Hoare quadruple {3046#(and (<= 5 |fibo_#res|) (<= |fibo_#res| 5))} {2849#true} #32#return; {2951#(and (<= |ULTIMATE.start_main_#t~ret2| 5) (<= 5 |ULTIMATE.start_main_#t~ret2|))} is VALID [2020-07-28 19:11:14,652 INFO L280 TraceCheckUtils]: 102: Hoare triple {2951#(and (<= |ULTIMATE.start_main_#t~ret2| 5) (<= 5 |ULTIMATE.start_main_#t~ret2|))} assume -2147483648 <= main_#t~ret2 && main_#t~ret2 <= 2147483647;main_~result~0 := main_#t~ret2;havoc main_#t~ret2; {2952#(and (<= ULTIMATE.start_main_~result~0 5) (<= 5 ULTIMATE.start_main_~result~0))} is VALID [2020-07-28 19:11:14,653 INFO L280 TraceCheckUtils]: 103: Hoare triple {2952#(and (<= ULTIMATE.start_main_~result~0 5) (<= 5 ULTIMATE.start_main_~result~0))} assume 5 != main_~result~0; {2850#false} is VALID [2020-07-28 19:11:14,653 INFO L280 TraceCheckUtils]: 104: Hoare triple {2850#false} assume !false; {2850#false} is VALID [2020-07-28 19:11:14,666 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 185 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2020-07-28 19:11:14,667 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-28 19:11:14,667 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 20 [2020-07-28 19:11:14,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502408200] [2020-07-28 19:11:14,668 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 105 [2020-07-28 19:11:14,669 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:11:14,669 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 20 states. [2020-07-28 19:11:14,724 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:11:14,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-28 19:11:14,725 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:11:14,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-28 19:11:14,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2020-07-28 19:11:14,725 INFO L87 Difference]: Start difference. First operand 55 states and 66 transitions. Second operand 20 states. [2020-07-28 19:11:15,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:11:15,776 INFO L93 Difference]: Finished difference Result 68 states and 81 transitions. [2020-07-28 19:11:15,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-28 19:11:15,776 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 105 [2020-07-28 19:11:15,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:11:15,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-07-28 19:11:15,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 48 transitions. [2020-07-28 19:11:15,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-07-28 19:11:15,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 48 transitions. [2020-07-28 19:11:15,781 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states and 48 transitions. [2020-07-28 19:11:15,842 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:11:15,845 INFO L225 Difference]: With dead ends: 68 [2020-07-28 19:11:15,846 INFO L226 Difference]: Without dead ends: 64 [2020-07-28 19:11:15,847 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 141 SyntacticMatches, 8 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2020-07-28 19:11:15,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-07-28 19:11:15,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 63. [2020-07-28 19:11:15,893 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:11:15,894 INFO L82 GeneralOperation]: Start isEquivalent. First operand 64 states. Second operand 63 states. [2020-07-28 19:11:15,894 INFO L74 IsIncluded]: Start isIncluded. First operand 64 states. Second operand 63 states. [2020-07-28 19:11:15,894 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 63 states. [2020-07-28 19:11:15,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:11:15,899 INFO L93 Difference]: Finished difference Result 64 states and 77 transitions. [2020-07-28 19:11:15,899 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 77 transitions. [2020-07-28 19:11:15,900 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:11:15,900 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:11:15,900 INFO L74 IsIncluded]: Start isIncluded. First operand 63 states. Second operand 64 states. [2020-07-28 19:11:15,900 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 64 states. [2020-07-28 19:11:15,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:11:15,904 INFO L93 Difference]: Finished difference Result 64 states and 77 transitions. [2020-07-28 19:11:15,905 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 77 transitions. [2020-07-28 19:11:15,905 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:11:15,906 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:11:15,906 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:11:15,906 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:11:15,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-07-28 19:11:15,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 76 transitions. [2020-07-28 19:11:15,910 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 76 transitions. Word has length 105 [2020-07-28 19:11:15,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:11:15,911 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 76 transitions. [2020-07-28 19:11:15,911 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-28 19:11:15,911 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 76 transitions. [2020-07-28 19:11:15,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-07-28 19:11:15,913 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:11:15,913 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 15, 9, 9, 9, 9, 9, 9, 9, 6, 4, 1, 1, 1, 1, 1, 1] [2020-07-28 19:11:16,126 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 19:11:16,127 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:11:16,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:11:16,128 INFO L82 PathProgramCache]: Analyzing trace with hash -470606863, now seen corresponding path program 6 times [2020-07-28 19:11:16,128 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:11:16,128 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626535787] [2020-07-28 19:11:16,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:11:16,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:16,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-07-28 19:11:16,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:16,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-07-28 19:11:16,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:16,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-07-28 19:11:16,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:16,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-07-28 19:11:16,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:16,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-07-28 19:11:16,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:16,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-07-28 19:11:16,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:16,335 INFO L280 TraceCheckUtils]: 0: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,335 INFO L280 TraceCheckUtils]: 1: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,336 INFO L280 TraceCheckUtils]: 2: Hoare triple {3790#true} assume 1 == ~n;#res := 1; {3790#true} is VALID [2020-07-28 19:11:16,336 INFO L280 TraceCheckUtils]: 3: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,336 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3790#true} {3790#true} #34#return; {3790#true} is VALID [2020-07-28 19:11:16,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-07-28 19:11:16,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:16,340 INFO L280 TraceCheckUtils]: 0: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,340 INFO L280 TraceCheckUtils]: 1: Hoare triple {3790#true} assume ~n < 1;#res := 0; {3790#true} is VALID [2020-07-28 19:11:16,340 INFO L280 TraceCheckUtils]: 2: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,341 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3790#true} {3790#true} #36#return; {3790#true} is VALID [2020-07-28 19:11:16,341 INFO L280 TraceCheckUtils]: 0: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,341 INFO L280 TraceCheckUtils]: 1: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,342 INFO L280 TraceCheckUtils]: 2: Hoare triple {3790#true} assume !(1 == ~n); {3790#true} is VALID [2020-07-28 19:11:16,342 INFO L263 TraceCheckUtils]: 3: Hoare triple {3790#true} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:16,342 INFO L280 TraceCheckUtils]: 4: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,342 INFO L280 TraceCheckUtils]: 5: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,343 INFO L280 TraceCheckUtils]: 6: Hoare triple {3790#true} assume 1 == ~n;#res := 1; {3790#true} is VALID [2020-07-28 19:11:16,343 INFO L280 TraceCheckUtils]: 7: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,343 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {3790#true} {3790#true} #34#return; {3790#true} is VALID [2020-07-28 19:11:16,343 INFO L280 TraceCheckUtils]: 9: Hoare triple {3790#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3790#true} is VALID [2020-07-28 19:11:16,344 INFO L263 TraceCheckUtils]: 10: Hoare triple {3790#true} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:16,344 INFO L280 TraceCheckUtils]: 11: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,344 INFO L280 TraceCheckUtils]: 12: Hoare triple {3790#true} assume ~n < 1;#res := 0; {3790#true} is VALID [2020-07-28 19:11:16,344 INFO L280 TraceCheckUtils]: 13: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,344 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {3790#true} {3790#true} #36#return; {3790#true} is VALID [2020-07-28 19:11:16,345 INFO L280 TraceCheckUtils]: 15: Hoare triple {3790#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3790#true} is VALID [2020-07-28 19:11:16,345 INFO L280 TraceCheckUtils]: 16: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,345 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {3790#true} {3790#true} #34#return; {3790#true} is VALID [2020-07-28 19:11:16,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-07-28 19:11:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:16,349 INFO L280 TraceCheckUtils]: 0: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,349 INFO L280 TraceCheckUtils]: 1: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,349 INFO L280 TraceCheckUtils]: 2: Hoare triple {3790#true} assume 1 == ~n;#res := 1; {3790#true} is VALID [2020-07-28 19:11:16,349 INFO L280 TraceCheckUtils]: 3: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,350 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3790#true} {3790#true} #36#return; {3790#true} is VALID [2020-07-28 19:11:16,350 INFO L280 TraceCheckUtils]: 0: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,350 INFO L280 TraceCheckUtils]: 1: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,350 INFO L280 TraceCheckUtils]: 2: Hoare triple {3790#true} assume !(1 == ~n); {3790#true} is VALID [2020-07-28 19:11:16,351 INFO L263 TraceCheckUtils]: 3: Hoare triple {3790#true} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:16,351 INFO L280 TraceCheckUtils]: 4: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,351 INFO L280 TraceCheckUtils]: 5: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,351 INFO L280 TraceCheckUtils]: 6: Hoare triple {3790#true} assume !(1 == ~n); {3790#true} is VALID [2020-07-28 19:11:16,351 INFO L263 TraceCheckUtils]: 7: Hoare triple {3790#true} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:16,352 INFO L280 TraceCheckUtils]: 8: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,352 INFO L280 TraceCheckUtils]: 9: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,352 INFO L280 TraceCheckUtils]: 10: Hoare triple {3790#true} assume 1 == ~n;#res := 1; {3790#true} is VALID [2020-07-28 19:11:16,352 INFO L280 TraceCheckUtils]: 11: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,353 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {3790#true} {3790#true} #34#return; {3790#true} is VALID [2020-07-28 19:11:16,353 INFO L280 TraceCheckUtils]: 13: Hoare triple {3790#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3790#true} is VALID [2020-07-28 19:11:16,353 INFO L263 TraceCheckUtils]: 14: Hoare triple {3790#true} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:16,353 INFO L280 TraceCheckUtils]: 15: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,353 INFO L280 TraceCheckUtils]: 16: Hoare triple {3790#true} assume ~n < 1;#res := 0; {3790#true} is VALID [2020-07-28 19:11:16,354 INFO L280 TraceCheckUtils]: 17: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,354 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {3790#true} {3790#true} #36#return; {3790#true} is VALID [2020-07-28 19:11:16,354 INFO L280 TraceCheckUtils]: 19: Hoare triple {3790#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3790#true} is VALID [2020-07-28 19:11:16,354 INFO L280 TraceCheckUtils]: 20: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,355 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {3790#true} {3790#true} #34#return; {3790#true} is VALID [2020-07-28 19:11:16,355 INFO L280 TraceCheckUtils]: 22: Hoare triple {3790#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3790#true} is VALID [2020-07-28 19:11:16,355 INFO L263 TraceCheckUtils]: 23: Hoare triple {3790#true} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:16,355 INFO L280 TraceCheckUtils]: 24: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,355 INFO L280 TraceCheckUtils]: 25: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,356 INFO L280 TraceCheckUtils]: 26: Hoare triple {3790#true} assume 1 == ~n;#res := 1; {3790#true} is VALID [2020-07-28 19:11:16,356 INFO L280 TraceCheckUtils]: 27: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,356 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {3790#true} {3790#true} #36#return; {3790#true} is VALID [2020-07-28 19:11:16,356 INFO L280 TraceCheckUtils]: 29: Hoare triple {3790#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3790#true} is VALID [2020-07-28 19:11:16,356 INFO L280 TraceCheckUtils]: 30: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,358 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {3790#true} {3920#(= fibo_~n |fibo_#in~n|)} #34#return; {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-07-28 19:11:16,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:16,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-07-28 19:11:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:16,415 INFO L280 TraceCheckUtils]: 0: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,415 INFO L280 TraceCheckUtils]: 1: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,415 INFO L280 TraceCheckUtils]: 2: Hoare triple {3790#true} assume 1 == ~n;#res := 1; {3790#true} is VALID [2020-07-28 19:11:16,416 INFO L280 TraceCheckUtils]: 3: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,417 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3790#true} {4202#(<= 2 |fibo_#in~n|)} #34#return; {4202#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-07-28 19:11:16,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:16,421 INFO L280 TraceCheckUtils]: 0: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,421 INFO L280 TraceCheckUtils]: 1: Hoare triple {3790#true} assume ~n < 1;#res := 0; {3790#true} is VALID [2020-07-28 19:11:16,422 INFO L280 TraceCheckUtils]: 2: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,422 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3790#true} {4202#(<= 2 |fibo_#in~n|)} #36#return; {4202#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,423 INFO L280 TraceCheckUtils]: 0: Hoare triple {3790#true} ~n := #in~n; {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,425 INFO L280 TraceCheckUtils]: 1: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {4201#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-28 19:11:16,427 INFO L280 TraceCheckUtils]: 2: Hoare triple {4201#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {4202#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,428 INFO L263 TraceCheckUtils]: 3: Hoare triple {4202#(<= 2 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:16,428 INFO L280 TraceCheckUtils]: 4: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,428 INFO L280 TraceCheckUtils]: 5: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,428 INFO L280 TraceCheckUtils]: 6: Hoare triple {3790#true} assume 1 == ~n;#res := 1; {3790#true} is VALID [2020-07-28 19:11:16,429 INFO L280 TraceCheckUtils]: 7: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,430 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {3790#true} {4202#(<= 2 |fibo_#in~n|)} #34#return; {4202#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,431 INFO L280 TraceCheckUtils]: 9: Hoare triple {4202#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4202#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,431 INFO L263 TraceCheckUtils]: 10: Hoare triple {4202#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:16,431 INFO L280 TraceCheckUtils]: 11: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,431 INFO L280 TraceCheckUtils]: 12: Hoare triple {3790#true} assume ~n < 1;#res := 0; {3790#true} is VALID [2020-07-28 19:11:16,432 INFO L280 TraceCheckUtils]: 13: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,433 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {3790#true} {4202#(<= 2 |fibo_#in~n|)} #36#return; {4202#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,434 INFO L280 TraceCheckUtils]: 15: Hoare triple {4202#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4202#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,435 INFO L280 TraceCheckUtils]: 16: Hoare triple {4202#(<= 2 |fibo_#in~n|)} assume true; {4202#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,436 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {4202#(<= 2 |fibo_#in~n|)} {3920#(= fibo_~n |fibo_#in~n|)} #36#return; {4168#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,437 INFO L280 TraceCheckUtils]: 0: Hoare triple {3790#true} ~n := #in~n; {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,438 INFO L280 TraceCheckUtils]: 1: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,439 INFO L280 TraceCheckUtils]: 2: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,439 INFO L263 TraceCheckUtils]: 3: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:16,439 INFO L280 TraceCheckUtils]: 4: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,439 INFO L280 TraceCheckUtils]: 5: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,440 INFO L280 TraceCheckUtils]: 6: Hoare triple {3790#true} assume !(1 == ~n); {3790#true} is VALID [2020-07-28 19:11:16,440 INFO L263 TraceCheckUtils]: 7: Hoare triple {3790#true} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:16,440 INFO L280 TraceCheckUtils]: 8: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,440 INFO L280 TraceCheckUtils]: 9: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,440 INFO L280 TraceCheckUtils]: 10: Hoare triple {3790#true} assume !(1 == ~n); {3790#true} is VALID [2020-07-28 19:11:16,441 INFO L263 TraceCheckUtils]: 11: Hoare triple {3790#true} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:16,441 INFO L280 TraceCheckUtils]: 12: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,441 INFO L280 TraceCheckUtils]: 13: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,441 INFO L280 TraceCheckUtils]: 14: Hoare triple {3790#true} assume 1 == ~n;#res := 1; {3790#true} is VALID [2020-07-28 19:11:16,442 INFO L280 TraceCheckUtils]: 15: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,442 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {3790#true} {3790#true} #34#return; {3790#true} is VALID [2020-07-28 19:11:16,442 INFO L280 TraceCheckUtils]: 17: Hoare triple {3790#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3790#true} is VALID [2020-07-28 19:11:16,442 INFO L263 TraceCheckUtils]: 18: Hoare triple {3790#true} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:16,442 INFO L280 TraceCheckUtils]: 19: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,443 INFO L280 TraceCheckUtils]: 20: Hoare triple {3790#true} assume ~n < 1;#res := 0; {3790#true} is VALID [2020-07-28 19:11:16,443 INFO L280 TraceCheckUtils]: 21: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,443 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {3790#true} {3790#true} #36#return; {3790#true} is VALID [2020-07-28 19:11:16,443 INFO L280 TraceCheckUtils]: 23: Hoare triple {3790#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3790#true} is VALID [2020-07-28 19:11:16,443 INFO L280 TraceCheckUtils]: 24: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,444 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {3790#true} {3790#true} #34#return; {3790#true} is VALID [2020-07-28 19:11:16,444 INFO L280 TraceCheckUtils]: 26: Hoare triple {3790#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3790#true} is VALID [2020-07-28 19:11:16,444 INFO L263 TraceCheckUtils]: 27: Hoare triple {3790#true} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:16,444 INFO L280 TraceCheckUtils]: 28: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,445 INFO L280 TraceCheckUtils]: 29: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,445 INFO L280 TraceCheckUtils]: 30: Hoare triple {3790#true} assume 1 == ~n;#res := 1; {3790#true} is VALID [2020-07-28 19:11:16,445 INFO L280 TraceCheckUtils]: 31: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,445 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {3790#true} {3790#true} #36#return; {3790#true} is VALID [2020-07-28 19:11:16,445 INFO L280 TraceCheckUtils]: 33: Hoare triple {3790#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3790#true} is VALID [2020-07-28 19:11:16,446 INFO L280 TraceCheckUtils]: 34: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,447 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {3790#true} {3920#(= fibo_~n |fibo_#in~n|)} #34#return; {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,447 INFO L280 TraceCheckUtils]: 36: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,448 INFO L263 TraceCheckUtils]: 37: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:16,448 INFO L280 TraceCheckUtils]: 38: Hoare triple {3790#true} ~n := #in~n; {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,449 INFO L280 TraceCheckUtils]: 39: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {4201#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-28 19:11:16,450 INFO L280 TraceCheckUtils]: 40: Hoare triple {4201#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {4202#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,451 INFO L263 TraceCheckUtils]: 41: Hoare triple {4202#(<= 2 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:16,451 INFO L280 TraceCheckUtils]: 42: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,451 INFO L280 TraceCheckUtils]: 43: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,452 INFO L280 TraceCheckUtils]: 44: Hoare triple {3790#true} assume 1 == ~n;#res := 1; {3790#true} is VALID [2020-07-28 19:11:16,452 INFO L280 TraceCheckUtils]: 45: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,453 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {3790#true} {4202#(<= 2 |fibo_#in~n|)} #34#return; {4202#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,454 INFO L280 TraceCheckUtils]: 47: Hoare triple {4202#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4202#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,455 INFO L263 TraceCheckUtils]: 48: Hoare triple {4202#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:16,455 INFO L280 TraceCheckUtils]: 49: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,455 INFO L280 TraceCheckUtils]: 50: Hoare triple {3790#true} assume ~n < 1;#res := 0; {3790#true} is VALID [2020-07-28 19:11:16,456 INFO L280 TraceCheckUtils]: 51: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,457 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {3790#true} {4202#(<= 2 |fibo_#in~n|)} #36#return; {4202#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,458 INFO L280 TraceCheckUtils]: 53: Hoare triple {4202#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4202#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,459 INFO L280 TraceCheckUtils]: 54: Hoare triple {4202#(<= 2 |fibo_#in~n|)} assume true; {4202#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,461 INFO L275 TraceCheckUtils]: 55: Hoare quadruple {4202#(<= 2 |fibo_#in~n|)} {3920#(= fibo_~n |fibo_#in~n|)} #36#return; {4168#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,462 INFO L280 TraceCheckUtils]: 56: Hoare triple {4168#(<= 4 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4168#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,463 INFO L280 TraceCheckUtils]: 57: Hoare triple {4168#(<= 4 |fibo_#in~n|)} assume true; {4168#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,465 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {4168#(<= 4 |fibo_#in~n|)} {3790#true} #34#return; {4099#(<= 5 fibo_~n)} is VALID [2020-07-28 19:11:16,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-07-28 19:11:16,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:16,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-07-28 19:11:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:16,515 INFO L280 TraceCheckUtils]: 0: Hoare triple {3790#true} ~n := #in~n; {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,516 INFO L280 TraceCheckUtils]: 1: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,517 INFO L280 TraceCheckUtils]: 2: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {4222#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:16,517 INFO L280 TraceCheckUtils]: 3: Hoare triple {4222#(<= |fibo_#in~n| 1)} assume true; {4222#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:16,519 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4222#(<= |fibo_#in~n| 1)} {3920#(= fibo_~n |fibo_#in~n|)} #34#return; {4217#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:16,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-07-28 19:11:16,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:16,523 INFO L280 TraceCheckUtils]: 0: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,523 INFO L280 TraceCheckUtils]: 1: Hoare triple {3790#true} assume ~n < 1;#res := 0; {3790#true} is VALID [2020-07-28 19:11:16,523 INFO L280 TraceCheckUtils]: 2: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,524 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3790#true} {4217#(<= |fibo_#in~n| 2)} #36#return; {4217#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:16,525 INFO L280 TraceCheckUtils]: 0: Hoare triple {3790#true} ~n := #in~n; {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,525 INFO L280 TraceCheckUtils]: 1: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,526 INFO L280 TraceCheckUtils]: 2: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,526 INFO L263 TraceCheckUtils]: 3: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:16,527 INFO L280 TraceCheckUtils]: 4: Hoare triple {3790#true} ~n := #in~n; {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,527 INFO L280 TraceCheckUtils]: 5: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,528 INFO L280 TraceCheckUtils]: 6: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {4222#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:16,528 INFO L280 TraceCheckUtils]: 7: Hoare triple {4222#(<= |fibo_#in~n| 1)} assume true; {4222#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:16,530 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {4222#(<= |fibo_#in~n| 1)} {3920#(= fibo_~n |fibo_#in~n|)} #34#return; {4217#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:16,531 INFO L280 TraceCheckUtils]: 9: Hoare triple {4217#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4217#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:16,531 INFO L263 TraceCheckUtils]: 10: Hoare triple {4217#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:16,531 INFO L280 TraceCheckUtils]: 11: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,532 INFO L280 TraceCheckUtils]: 12: Hoare triple {3790#true} assume ~n < 1;#res := 0; {3790#true} is VALID [2020-07-28 19:11:16,532 INFO L280 TraceCheckUtils]: 13: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,533 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {3790#true} {4217#(<= |fibo_#in~n| 2)} #36#return; {4217#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:16,534 INFO L280 TraceCheckUtils]: 15: Hoare triple {4217#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4217#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:16,534 INFO L280 TraceCheckUtils]: 16: Hoare triple {4217#(<= |fibo_#in~n| 2)} assume true; {4217#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:16,536 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {4217#(<= |fibo_#in~n| 2)} {4099#(<= 5 fibo_~n)} #36#return; {3791#false} is VALID [2020-07-28 19:11:16,537 INFO L280 TraceCheckUtils]: 0: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,537 INFO L280 TraceCheckUtils]: 1: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,537 INFO L280 TraceCheckUtils]: 2: Hoare triple {3790#true} assume !(1 == ~n); {3790#true} is VALID [2020-07-28 19:11:16,537 INFO L263 TraceCheckUtils]: 3: Hoare triple {3790#true} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:16,538 INFO L280 TraceCheckUtils]: 4: Hoare triple {3790#true} ~n := #in~n; {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,539 INFO L280 TraceCheckUtils]: 5: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,540 INFO L280 TraceCheckUtils]: 6: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,540 INFO L263 TraceCheckUtils]: 7: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:16,541 INFO L280 TraceCheckUtils]: 8: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,541 INFO L280 TraceCheckUtils]: 9: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,541 INFO L280 TraceCheckUtils]: 10: Hoare triple {3790#true} assume !(1 == ~n); {3790#true} is VALID [2020-07-28 19:11:16,541 INFO L263 TraceCheckUtils]: 11: Hoare triple {3790#true} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:16,542 INFO L280 TraceCheckUtils]: 12: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,542 INFO L280 TraceCheckUtils]: 13: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,542 INFO L280 TraceCheckUtils]: 14: Hoare triple {3790#true} assume !(1 == ~n); {3790#true} is VALID [2020-07-28 19:11:16,542 INFO L263 TraceCheckUtils]: 15: Hoare triple {3790#true} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:16,543 INFO L280 TraceCheckUtils]: 16: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,543 INFO L280 TraceCheckUtils]: 17: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,543 INFO L280 TraceCheckUtils]: 18: Hoare triple {3790#true} assume 1 == ~n;#res := 1; {3790#true} is VALID [2020-07-28 19:11:16,544 INFO L280 TraceCheckUtils]: 19: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,544 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {3790#true} {3790#true} #34#return; {3790#true} is VALID [2020-07-28 19:11:16,544 INFO L280 TraceCheckUtils]: 21: Hoare triple {3790#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3790#true} is VALID [2020-07-28 19:11:16,545 INFO L263 TraceCheckUtils]: 22: Hoare triple {3790#true} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:16,545 INFO L280 TraceCheckUtils]: 23: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,545 INFO L280 TraceCheckUtils]: 24: Hoare triple {3790#true} assume ~n < 1;#res := 0; {3790#true} is VALID [2020-07-28 19:11:16,546 INFO L280 TraceCheckUtils]: 25: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,546 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {3790#true} {3790#true} #36#return; {3790#true} is VALID [2020-07-28 19:11:16,546 INFO L280 TraceCheckUtils]: 27: Hoare triple {3790#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3790#true} is VALID [2020-07-28 19:11:16,546 INFO L280 TraceCheckUtils]: 28: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,546 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {3790#true} {3790#true} #34#return; {3790#true} is VALID [2020-07-28 19:11:16,547 INFO L280 TraceCheckUtils]: 30: Hoare triple {3790#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3790#true} is VALID [2020-07-28 19:11:16,547 INFO L263 TraceCheckUtils]: 31: Hoare triple {3790#true} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:16,547 INFO L280 TraceCheckUtils]: 32: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,547 INFO L280 TraceCheckUtils]: 33: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,547 INFO L280 TraceCheckUtils]: 34: Hoare triple {3790#true} assume 1 == ~n;#res := 1; {3790#true} is VALID [2020-07-28 19:11:16,548 INFO L280 TraceCheckUtils]: 35: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,548 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {3790#true} {3790#true} #36#return; {3790#true} is VALID [2020-07-28 19:11:16,548 INFO L280 TraceCheckUtils]: 37: Hoare triple {3790#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3790#true} is VALID [2020-07-28 19:11:16,548 INFO L280 TraceCheckUtils]: 38: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,549 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {3790#true} {3920#(= fibo_~n |fibo_#in~n|)} #34#return; {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,550 INFO L280 TraceCheckUtils]: 40: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,550 INFO L263 TraceCheckUtils]: 41: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:16,551 INFO L280 TraceCheckUtils]: 42: Hoare triple {3790#true} ~n := #in~n; {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,552 INFO L280 TraceCheckUtils]: 43: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {4201#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-28 19:11:16,553 INFO L280 TraceCheckUtils]: 44: Hoare triple {4201#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {4202#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,553 INFO L263 TraceCheckUtils]: 45: Hoare triple {4202#(<= 2 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:16,553 INFO L280 TraceCheckUtils]: 46: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,553 INFO L280 TraceCheckUtils]: 47: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,553 INFO L280 TraceCheckUtils]: 48: Hoare triple {3790#true} assume 1 == ~n;#res := 1; {3790#true} is VALID [2020-07-28 19:11:16,554 INFO L280 TraceCheckUtils]: 49: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,555 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {3790#true} {4202#(<= 2 |fibo_#in~n|)} #34#return; {4202#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,555 INFO L280 TraceCheckUtils]: 51: Hoare triple {4202#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4202#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,555 INFO L263 TraceCheckUtils]: 52: Hoare triple {4202#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:16,556 INFO L280 TraceCheckUtils]: 53: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,556 INFO L280 TraceCheckUtils]: 54: Hoare triple {3790#true} assume ~n < 1;#res := 0; {3790#true} is VALID [2020-07-28 19:11:16,556 INFO L280 TraceCheckUtils]: 55: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,557 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {3790#true} {4202#(<= 2 |fibo_#in~n|)} #36#return; {4202#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,558 INFO L280 TraceCheckUtils]: 57: Hoare triple {4202#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4202#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,558 INFO L280 TraceCheckUtils]: 58: Hoare triple {4202#(<= 2 |fibo_#in~n|)} assume true; {4202#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,559 INFO L275 TraceCheckUtils]: 59: Hoare quadruple {4202#(<= 2 |fibo_#in~n|)} {3920#(= fibo_~n |fibo_#in~n|)} #36#return; {4168#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,560 INFO L280 TraceCheckUtils]: 60: Hoare triple {4168#(<= 4 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4168#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,561 INFO L280 TraceCheckUtils]: 61: Hoare triple {4168#(<= 4 |fibo_#in~n|)} assume true; {4168#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,563 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {4168#(<= 4 |fibo_#in~n|)} {3790#true} #34#return; {4099#(<= 5 fibo_~n)} is VALID [2020-07-28 19:11:16,563 INFO L280 TraceCheckUtils]: 63: Hoare triple {4099#(<= 5 fibo_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4099#(<= 5 fibo_~n)} is VALID [2020-07-28 19:11:16,564 INFO L263 TraceCheckUtils]: 64: Hoare triple {4099#(<= 5 fibo_~n)} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:16,564 INFO L280 TraceCheckUtils]: 65: Hoare triple {3790#true} ~n := #in~n; {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,565 INFO L280 TraceCheckUtils]: 66: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,566 INFO L280 TraceCheckUtils]: 67: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,566 INFO L263 TraceCheckUtils]: 68: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:16,567 INFO L280 TraceCheckUtils]: 69: Hoare triple {3790#true} ~n := #in~n; {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,568 INFO L280 TraceCheckUtils]: 70: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,569 INFO L280 TraceCheckUtils]: 71: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {4222#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:16,570 INFO L280 TraceCheckUtils]: 72: Hoare triple {4222#(<= |fibo_#in~n| 1)} assume true; {4222#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:16,571 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {4222#(<= |fibo_#in~n| 1)} {3920#(= fibo_~n |fibo_#in~n|)} #34#return; {4217#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:16,572 INFO L280 TraceCheckUtils]: 74: Hoare triple {4217#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4217#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:16,572 INFO L263 TraceCheckUtils]: 75: Hoare triple {4217#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:16,573 INFO L280 TraceCheckUtils]: 76: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,573 INFO L280 TraceCheckUtils]: 77: Hoare triple {3790#true} assume ~n < 1;#res := 0; {3790#true} is VALID [2020-07-28 19:11:16,573 INFO L280 TraceCheckUtils]: 78: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,575 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {3790#true} {4217#(<= |fibo_#in~n| 2)} #36#return; {4217#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:16,576 INFO L280 TraceCheckUtils]: 80: Hoare triple {4217#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4217#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:16,576 INFO L280 TraceCheckUtils]: 81: Hoare triple {4217#(<= |fibo_#in~n| 2)} assume true; {4217#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:16,578 INFO L275 TraceCheckUtils]: 82: Hoare quadruple {4217#(<= |fibo_#in~n| 2)} {4099#(<= 5 fibo_~n)} #36#return; {3791#false} is VALID [2020-07-28 19:11:16,578 INFO L280 TraceCheckUtils]: 83: Hoare triple {3791#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3791#false} is VALID [2020-07-28 19:11:16,578 INFO L280 TraceCheckUtils]: 84: Hoare triple {3791#false} assume true; {3791#false} is VALID [2020-07-28 19:11:16,578 INFO L275 TraceCheckUtils]: 85: Hoare quadruple {3791#false} {3920#(= fibo_~n |fibo_#in~n|)} #34#return; {4007#(<= 6 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-07-28 19:11:16,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:16,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-07-28 19:11:16,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:16,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-07-28 19:11:16,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:16,604 INFO L280 TraceCheckUtils]: 0: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,604 INFO L280 TraceCheckUtils]: 1: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,604 INFO L280 TraceCheckUtils]: 2: Hoare triple {3790#true} assume 1 == ~n;#res := 1; {3790#true} is VALID [2020-07-28 19:11:16,604 INFO L280 TraceCheckUtils]: 3: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,605 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3790#true} {3790#true} #34#return; {3790#true} is VALID [2020-07-28 19:11:16,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-07-28 19:11:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:16,609 INFO L280 TraceCheckUtils]: 0: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,609 INFO L280 TraceCheckUtils]: 1: Hoare triple {3790#true} assume ~n < 1;#res := 0; {3790#true} is VALID [2020-07-28 19:11:16,609 INFO L280 TraceCheckUtils]: 2: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,610 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3790#true} {3790#true} #36#return; {3790#true} is VALID [2020-07-28 19:11:16,610 INFO L280 TraceCheckUtils]: 0: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,610 INFO L280 TraceCheckUtils]: 1: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,611 INFO L280 TraceCheckUtils]: 2: Hoare triple {3790#true} assume !(1 == ~n); {3790#true} is VALID [2020-07-28 19:11:16,611 INFO L263 TraceCheckUtils]: 3: Hoare triple {3790#true} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:16,611 INFO L280 TraceCheckUtils]: 4: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,612 INFO L280 TraceCheckUtils]: 5: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,612 INFO L280 TraceCheckUtils]: 6: Hoare triple {3790#true} assume 1 == ~n;#res := 1; {3790#true} is VALID [2020-07-28 19:11:16,612 INFO L280 TraceCheckUtils]: 7: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,613 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {3790#true} {3790#true} #34#return; {3790#true} is VALID [2020-07-28 19:11:16,613 INFO L280 TraceCheckUtils]: 9: Hoare triple {3790#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3790#true} is VALID [2020-07-28 19:11:16,613 INFO L263 TraceCheckUtils]: 10: Hoare triple {3790#true} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:16,614 INFO L280 TraceCheckUtils]: 11: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,614 INFO L280 TraceCheckUtils]: 12: Hoare triple {3790#true} assume ~n < 1;#res := 0; {3790#true} is VALID [2020-07-28 19:11:16,614 INFO L280 TraceCheckUtils]: 13: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,614 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {3790#true} {3790#true} #36#return; {3790#true} is VALID [2020-07-28 19:11:16,615 INFO L280 TraceCheckUtils]: 15: Hoare triple {3790#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3790#true} is VALID [2020-07-28 19:11:16,615 INFO L280 TraceCheckUtils]: 16: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,615 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {3790#true} {3790#true} #34#return; {3790#true} is VALID [2020-07-28 19:11:16,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-07-28 19:11:16,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:16,619 INFO L280 TraceCheckUtils]: 0: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,619 INFO L280 TraceCheckUtils]: 1: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,619 INFO L280 TraceCheckUtils]: 2: Hoare triple {3790#true} assume 1 == ~n;#res := 1; {3790#true} is VALID [2020-07-28 19:11:16,620 INFO L280 TraceCheckUtils]: 3: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,620 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3790#true} {3790#true} #36#return; {3790#true} is VALID [2020-07-28 19:11:16,620 INFO L280 TraceCheckUtils]: 0: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,620 INFO L280 TraceCheckUtils]: 1: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,620 INFO L280 TraceCheckUtils]: 2: Hoare triple {3790#true} assume !(1 == ~n); {3790#true} is VALID [2020-07-28 19:11:16,621 INFO L263 TraceCheckUtils]: 3: Hoare triple {3790#true} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:16,621 INFO L280 TraceCheckUtils]: 4: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,621 INFO L280 TraceCheckUtils]: 5: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,621 INFO L280 TraceCheckUtils]: 6: Hoare triple {3790#true} assume !(1 == ~n); {3790#true} is VALID [2020-07-28 19:11:16,621 INFO L263 TraceCheckUtils]: 7: Hoare triple {3790#true} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:16,622 INFO L280 TraceCheckUtils]: 8: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,622 INFO L280 TraceCheckUtils]: 9: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,622 INFO L280 TraceCheckUtils]: 10: Hoare triple {3790#true} assume 1 == ~n;#res := 1; {3790#true} is VALID [2020-07-28 19:11:16,622 INFO L280 TraceCheckUtils]: 11: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,622 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {3790#true} {3790#true} #34#return; {3790#true} is VALID [2020-07-28 19:11:16,623 INFO L280 TraceCheckUtils]: 13: Hoare triple {3790#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3790#true} is VALID [2020-07-28 19:11:16,623 INFO L263 TraceCheckUtils]: 14: Hoare triple {3790#true} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:16,623 INFO L280 TraceCheckUtils]: 15: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,623 INFO L280 TraceCheckUtils]: 16: Hoare triple {3790#true} assume ~n < 1;#res := 0; {3790#true} is VALID [2020-07-28 19:11:16,623 INFO L280 TraceCheckUtils]: 17: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,624 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {3790#true} {3790#true} #36#return; {3790#true} is VALID [2020-07-28 19:11:16,624 INFO L280 TraceCheckUtils]: 19: Hoare triple {3790#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3790#true} is VALID [2020-07-28 19:11:16,624 INFO L280 TraceCheckUtils]: 20: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,624 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {3790#true} {3790#true} #34#return; {3790#true} is VALID [2020-07-28 19:11:16,624 INFO L280 TraceCheckUtils]: 22: Hoare triple {3790#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3790#true} is VALID [2020-07-28 19:11:16,625 INFO L263 TraceCheckUtils]: 23: Hoare triple {3790#true} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:16,625 INFO L280 TraceCheckUtils]: 24: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,625 INFO L280 TraceCheckUtils]: 25: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,625 INFO L280 TraceCheckUtils]: 26: Hoare triple {3790#true} assume 1 == ~n;#res := 1; {3790#true} is VALID [2020-07-28 19:11:16,625 INFO L280 TraceCheckUtils]: 27: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,625 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {3790#true} {3790#true} #36#return; {3790#true} is VALID [2020-07-28 19:11:16,626 INFO L280 TraceCheckUtils]: 29: Hoare triple {3790#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3790#true} is VALID [2020-07-28 19:11:16,626 INFO L280 TraceCheckUtils]: 30: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,627 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {3790#true} {4007#(<= 6 |fibo_#in~n|)} #36#return; {4007#(<= 6 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,628 INFO L280 TraceCheckUtils]: 0: Hoare triple {3790#true} ~n := #in~n; {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,629 INFO L280 TraceCheckUtils]: 1: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,630 INFO L280 TraceCheckUtils]: 2: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,630 INFO L263 TraceCheckUtils]: 3: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:16,630 INFO L280 TraceCheckUtils]: 4: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,631 INFO L280 TraceCheckUtils]: 5: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,631 INFO L280 TraceCheckUtils]: 6: Hoare triple {3790#true} assume !(1 == ~n); {3790#true} is VALID [2020-07-28 19:11:16,631 INFO L263 TraceCheckUtils]: 7: Hoare triple {3790#true} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:16,632 INFO L280 TraceCheckUtils]: 8: Hoare triple {3790#true} ~n := #in~n; {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,632 INFO L280 TraceCheckUtils]: 9: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,633 INFO L280 TraceCheckUtils]: 10: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,633 INFO L263 TraceCheckUtils]: 11: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:16,633 INFO L280 TraceCheckUtils]: 12: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,634 INFO L280 TraceCheckUtils]: 13: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,634 INFO L280 TraceCheckUtils]: 14: Hoare triple {3790#true} assume !(1 == ~n); {3790#true} is VALID [2020-07-28 19:11:16,634 INFO L263 TraceCheckUtils]: 15: Hoare triple {3790#true} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:16,634 INFO L280 TraceCheckUtils]: 16: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,635 INFO L280 TraceCheckUtils]: 17: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,635 INFO L280 TraceCheckUtils]: 18: Hoare triple {3790#true} assume !(1 == ~n); {3790#true} is VALID [2020-07-28 19:11:16,635 INFO L263 TraceCheckUtils]: 19: Hoare triple {3790#true} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:16,635 INFO L280 TraceCheckUtils]: 20: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,636 INFO L280 TraceCheckUtils]: 21: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,636 INFO L280 TraceCheckUtils]: 22: Hoare triple {3790#true} assume 1 == ~n;#res := 1; {3790#true} is VALID [2020-07-28 19:11:16,636 INFO L280 TraceCheckUtils]: 23: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,636 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {3790#true} {3790#true} #34#return; {3790#true} is VALID [2020-07-28 19:11:16,637 INFO L280 TraceCheckUtils]: 25: Hoare triple {3790#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3790#true} is VALID [2020-07-28 19:11:16,637 INFO L263 TraceCheckUtils]: 26: Hoare triple {3790#true} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:16,637 INFO L280 TraceCheckUtils]: 27: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,637 INFO L280 TraceCheckUtils]: 28: Hoare triple {3790#true} assume ~n < 1;#res := 0; {3790#true} is VALID [2020-07-28 19:11:16,638 INFO L280 TraceCheckUtils]: 29: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,638 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {3790#true} {3790#true} #36#return; {3790#true} is VALID [2020-07-28 19:11:16,638 INFO L280 TraceCheckUtils]: 31: Hoare triple {3790#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3790#true} is VALID [2020-07-28 19:11:16,639 INFO L280 TraceCheckUtils]: 32: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,639 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {3790#true} {3790#true} #34#return; {3790#true} is VALID [2020-07-28 19:11:16,639 INFO L280 TraceCheckUtils]: 34: Hoare triple {3790#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3790#true} is VALID [2020-07-28 19:11:16,640 INFO L263 TraceCheckUtils]: 35: Hoare triple {3790#true} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:16,640 INFO L280 TraceCheckUtils]: 36: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,640 INFO L280 TraceCheckUtils]: 37: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,640 INFO L280 TraceCheckUtils]: 38: Hoare triple {3790#true} assume 1 == ~n;#res := 1; {3790#true} is VALID [2020-07-28 19:11:16,641 INFO L280 TraceCheckUtils]: 39: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,641 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {3790#true} {3790#true} #36#return; {3790#true} is VALID [2020-07-28 19:11:16,641 INFO L280 TraceCheckUtils]: 41: Hoare triple {3790#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3790#true} is VALID [2020-07-28 19:11:16,641 INFO L280 TraceCheckUtils]: 42: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,643 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {3790#true} {3920#(= fibo_~n |fibo_#in~n|)} #34#return; {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,644 INFO L280 TraceCheckUtils]: 44: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,644 INFO L263 TraceCheckUtils]: 45: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:16,644 INFO L280 TraceCheckUtils]: 46: Hoare triple {3790#true} ~n := #in~n; {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,645 INFO L280 TraceCheckUtils]: 47: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {4201#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-28 19:11:16,646 INFO L280 TraceCheckUtils]: 48: Hoare triple {4201#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {4202#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,646 INFO L263 TraceCheckUtils]: 49: Hoare triple {4202#(<= 2 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:16,647 INFO L280 TraceCheckUtils]: 50: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,647 INFO L280 TraceCheckUtils]: 51: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,647 INFO L280 TraceCheckUtils]: 52: Hoare triple {3790#true} assume 1 == ~n;#res := 1; {3790#true} is VALID [2020-07-28 19:11:16,647 INFO L280 TraceCheckUtils]: 53: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,648 INFO L275 TraceCheckUtils]: 54: Hoare quadruple {3790#true} {4202#(<= 2 |fibo_#in~n|)} #34#return; {4202#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,649 INFO L280 TraceCheckUtils]: 55: Hoare triple {4202#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4202#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,649 INFO L263 TraceCheckUtils]: 56: Hoare triple {4202#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:16,649 INFO L280 TraceCheckUtils]: 57: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,649 INFO L280 TraceCheckUtils]: 58: Hoare triple {3790#true} assume ~n < 1;#res := 0; {3790#true} is VALID [2020-07-28 19:11:16,650 INFO L280 TraceCheckUtils]: 59: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,651 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {3790#true} {4202#(<= 2 |fibo_#in~n|)} #36#return; {4202#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,651 INFO L280 TraceCheckUtils]: 61: Hoare triple {4202#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4202#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,652 INFO L280 TraceCheckUtils]: 62: Hoare triple {4202#(<= 2 |fibo_#in~n|)} assume true; {4202#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,653 INFO L275 TraceCheckUtils]: 63: Hoare quadruple {4202#(<= 2 |fibo_#in~n|)} {3920#(= fibo_~n |fibo_#in~n|)} #36#return; {4168#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,653 INFO L280 TraceCheckUtils]: 64: Hoare triple {4168#(<= 4 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4168#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,654 INFO L280 TraceCheckUtils]: 65: Hoare triple {4168#(<= 4 |fibo_#in~n|)} assume true; {4168#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,655 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {4168#(<= 4 |fibo_#in~n|)} {3790#true} #34#return; {4099#(<= 5 fibo_~n)} is VALID [2020-07-28 19:11:16,655 INFO L280 TraceCheckUtils]: 67: Hoare triple {4099#(<= 5 fibo_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4099#(<= 5 fibo_~n)} is VALID [2020-07-28 19:11:16,656 INFO L263 TraceCheckUtils]: 68: Hoare triple {4099#(<= 5 fibo_~n)} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:16,656 INFO L280 TraceCheckUtils]: 69: Hoare triple {3790#true} ~n := #in~n; {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,657 INFO L280 TraceCheckUtils]: 70: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,657 INFO L280 TraceCheckUtils]: 71: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,657 INFO L263 TraceCheckUtils]: 72: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:16,658 INFO L280 TraceCheckUtils]: 73: Hoare triple {3790#true} ~n := #in~n; {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,658 INFO L280 TraceCheckUtils]: 74: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,659 INFO L280 TraceCheckUtils]: 75: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {4222#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:16,660 INFO L280 TraceCheckUtils]: 76: Hoare triple {4222#(<= |fibo_#in~n| 1)} assume true; {4222#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:16,661 INFO L275 TraceCheckUtils]: 77: Hoare quadruple {4222#(<= |fibo_#in~n| 1)} {3920#(= fibo_~n |fibo_#in~n|)} #34#return; {4217#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:16,662 INFO L280 TraceCheckUtils]: 78: Hoare triple {4217#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4217#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:16,662 INFO L263 TraceCheckUtils]: 79: Hoare triple {4217#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:16,662 INFO L280 TraceCheckUtils]: 80: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,662 INFO L280 TraceCheckUtils]: 81: Hoare triple {3790#true} assume ~n < 1;#res := 0; {3790#true} is VALID [2020-07-28 19:11:16,662 INFO L280 TraceCheckUtils]: 82: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,663 INFO L275 TraceCheckUtils]: 83: Hoare quadruple {3790#true} {4217#(<= |fibo_#in~n| 2)} #36#return; {4217#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:16,664 INFO L280 TraceCheckUtils]: 84: Hoare triple {4217#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4217#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:16,664 INFO L280 TraceCheckUtils]: 85: Hoare triple {4217#(<= |fibo_#in~n| 2)} assume true; {4217#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:16,665 INFO L275 TraceCheckUtils]: 86: Hoare quadruple {4217#(<= |fibo_#in~n| 2)} {4099#(<= 5 fibo_~n)} #36#return; {3791#false} is VALID [2020-07-28 19:11:16,665 INFO L280 TraceCheckUtils]: 87: Hoare triple {3791#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3791#false} is VALID [2020-07-28 19:11:16,666 INFO L280 TraceCheckUtils]: 88: Hoare triple {3791#false} assume true; {3791#false} is VALID [2020-07-28 19:11:16,666 INFO L275 TraceCheckUtils]: 89: Hoare quadruple {3791#false} {3920#(= fibo_~n |fibo_#in~n|)} #34#return; {4007#(<= 6 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,666 INFO L280 TraceCheckUtils]: 90: Hoare triple {4007#(<= 6 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4007#(<= 6 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,667 INFO L263 TraceCheckUtils]: 91: Hoare triple {4007#(<= 6 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:16,667 INFO L280 TraceCheckUtils]: 92: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,667 INFO L280 TraceCheckUtils]: 93: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,667 INFO L280 TraceCheckUtils]: 94: Hoare triple {3790#true} assume !(1 == ~n); {3790#true} is VALID [2020-07-28 19:11:16,667 INFO L263 TraceCheckUtils]: 95: Hoare triple {3790#true} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:16,667 INFO L280 TraceCheckUtils]: 96: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,668 INFO L280 TraceCheckUtils]: 97: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,668 INFO L280 TraceCheckUtils]: 98: Hoare triple {3790#true} assume !(1 == ~n); {3790#true} is VALID [2020-07-28 19:11:16,668 INFO L263 TraceCheckUtils]: 99: Hoare triple {3790#true} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:16,668 INFO L280 TraceCheckUtils]: 100: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,668 INFO L280 TraceCheckUtils]: 101: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,668 INFO L280 TraceCheckUtils]: 102: Hoare triple {3790#true} assume 1 == ~n;#res := 1; {3790#true} is VALID [2020-07-28 19:11:16,669 INFO L280 TraceCheckUtils]: 103: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,669 INFO L275 TraceCheckUtils]: 104: Hoare quadruple {3790#true} {3790#true} #34#return; {3790#true} is VALID [2020-07-28 19:11:16,669 INFO L280 TraceCheckUtils]: 105: Hoare triple {3790#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3790#true} is VALID [2020-07-28 19:11:16,669 INFO L263 TraceCheckUtils]: 106: Hoare triple {3790#true} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:16,669 INFO L280 TraceCheckUtils]: 107: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,670 INFO L280 TraceCheckUtils]: 108: Hoare triple {3790#true} assume ~n < 1;#res := 0; {3790#true} is VALID [2020-07-28 19:11:16,670 INFO L280 TraceCheckUtils]: 109: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,670 INFO L275 TraceCheckUtils]: 110: Hoare quadruple {3790#true} {3790#true} #36#return; {3790#true} is VALID [2020-07-28 19:11:16,670 INFO L280 TraceCheckUtils]: 111: Hoare triple {3790#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3790#true} is VALID [2020-07-28 19:11:16,670 INFO L280 TraceCheckUtils]: 112: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,670 INFO L275 TraceCheckUtils]: 113: Hoare quadruple {3790#true} {3790#true} #34#return; {3790#true} is VALID [2020-07-28 19:11:16,671 INFO L280 TraceCheckUtils]: 114: Hoare triple {3790#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3790#true} is VALID [2020-07-28 19:11:16,671 INFO L263 TraceCheckUtils]: 115: Hoare triple {3790#true} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:16,671 INFO L280 TraceCheckUtils]: 116: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,671 INFO L280 TraceCheckUtils]: 117: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,671 INFO L280 TraceCheckUtils]: 118: Hoare triple {3790#true} assume 1 == ~n;#res := 1; {3790#true} is VALID [2020-07-28 19:11:16,672 INFO L280 TraceCheckUtils]: 119: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,672 INFO L275 TraceCheckUtils]: 120: Hoare quadruple {3790#true} {3790#true} #36#return; {3790#true} is VALID [2020-07-28 19:11:16,672 INFO L280 TraceCheckUtils]: 121: Hoare triple {3790#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3790#true} is VALID [2020-07-28 19:11:16,672 INFO L280 TraceCheckUtils]: 122: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,673 INFO L275 TraceCheckUtils]: 123: Hoare quadruple {3790#true} {4007#(<= 6 |fibo_#in~n|)} #36#return; {4007#(<= 6 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,674 INFO L280 TraceCheckUtils]: 124: Hoare triple {4007#(<= 6 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4007#(<= 6 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,674 INFO L280 TraceCheckUtils]: 125: Hoare triple {4007#(<= 6 |fibo_#in~n|)} assume true; {4007#(<= 6 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,675 INFO L275 TraceCheckUtils]: 126: Hoare quadruple {4007#(<= 6 |fibo_#in~n|)} {3792#(<= ULTIMATE.start_main_~x~0 5)} #32#return; {3791#false} is VALID [2020-07-28 19:11:16,687 INFO L280 TraceCheckUtils]: 0: Hoare triple {3790#true} havoc main_#res;havoc main_#t~ret2, main_~x~0, main_~result~0;main_~x~0 := 5; {3792#(<= ULTIMATE.start_main_~x~0 5)} is VALID [2020-07-28 19:11:16,687 INFO L263 TraceCheckUtils]: 1: Hoare triple {3792#(<= ULTIMATE.start_main_~x~0 5)} call main_#t~ret2 := fibo(main_~x~0); {3790#true} is VALID [2020-07-28 19:11:16,688 INFO L280 TraceCheckUtils]: 2: Hoare triple {3790#true} ~n := #in~n; {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,688 INFO L280 TraceCheckUtils]: 3: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,689 INFO L280 TraceCheckUtils]: 4: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,689 INFO L263 TraceCheckUtils]: 5: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:16,689 INFO L280 TraceCheckUtils]: 6: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,690 INFO L280 TraceCheckUtils]: 7: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,690 INFO L280 TraceCheckUtils]: 8: Hoare triple {3790#true} assume !(1 == ~n); {3790#true} is VALID [2020-07-28 19:11:16,690 INFO L263 TraceCheckUtils]: 9: Hoare triple {3790#true} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:16,691 INFO L280 TraceCheckUtils]: 10: Hoare triple {3790#true} ~n := #in~n; {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,691 INFO L280 TraceCheckUtils]: 11: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,692 INFO L280 TraceCheckUtils]: 12: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,692 INFO L263 TraceCheckUtils]: 13: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:16,692 INFO L280 TraceCheckUtils]: 14: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,692 INFO L280 TraceCheckUtils]: 15: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,693 INFO L280 TraceCheckUtils]: 16: Hoare triple {3790#true} assume !(1 == ~n); {3790#true} is VALID [2020-07-28 19:11:16,693 INFO L263 TraceCheckUtils]: 17: Hoare triple {3790#true} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:16,693 INFO L280 TraceCheckUtils]: 18: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,693 INFO L280 TraceCheckUtils]: 19: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,693 INFO L280 TraceCheckUtils]: 20: Hoare triple {3790#true} assume !(1 == ~n); {3790#true} is VALID [2020-07-28 19:11:16,694 INFO L263 TraceCheckUtils]: 21: Hoare triple {3790#true} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:16,694 INFO L280 TraceCheckUtils]: 22: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,694 INFO L280 TraceCheckUtils]: 23: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,694 INFO L280 TraceCheckUtils]: 24: Hoare triple {3790#true} assume 1 == ~n;#res := 1; {3790#true} is VALID [2020-07-28 19:11:16,695 INFO L280 TraceCheckUtils]: 25: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,695 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {3790#true} {3790#true} #34#return; {3790#true} is VALID [2020-07-28 19:11:16,695 INFO L280 TraceCheckUtils]: 27: Hoare triple {3790#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3790#true} is VALID [2020-07-28 19:11:16,695 INFO L263 TraceCheckUtils]: 28: Hoare triple {3790#true} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:16,695 INFO L280 TraceCheckUtils]: 29: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,696 INFO L280 TraceCheckUtils]: 30: Hoare triple {3790#true} assume ~n < 1;#res := 0; {3790#true} is VALID [2020-07-28 19:11:16,696 INFO L280 TraceCheckUtils]: 31: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,696 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {3790#true} {3790#true} #36#return; {3790#true} is VALID [2020-07-28 19:11:16,696 INFO L280 TraceCheckUtils]: 33: Hoare triple {3790#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3790#true} is VALID [2020-07-28 19:11:16,697 INFO L280 TraceCheckUtils]: 34: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,697 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {3790#true} {3790#true} #34#return; {3790#true} is VALID [2020-07-28 19:11:16,697 INFO L280 TraceCheckUtils]: 36: Hoare triple {3790#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3790#true} is VALID [2020-07-28 19:11:16,697 INFO L263 TraceCheckUtils]: 37: Hoare triple {3790#true} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:16,697 INFO L280 TraceCheckUtils]: 38: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,698 INFO L280 TraceCheckUtils]: 39: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,698 INFO L280 TraceCheckUtils]: 40: Hoare triple {3790#true} assume 1 == ~n;#res := 1; {3790#true} is VALID [2020-07-28 19:11:16,698 INFO L280 TraceCheckUtils]: 41: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,698 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {3790#true} {3790#true} #36#return; {3790#true} is VALID [2020-07-28 19:11:16,699 INFO L280 TraceCheckUtils]: 43: Hoare triple {3790#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3790#true} is VALID [2020-07-28 19:11:16,699 INFO L280 TraceCheckUtils]: 44: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,700 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {3790#true} {3920#(= fibo_~n |fibo_#in~n|)} #34#return; {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,701 INFO L280 TraceCheckUtils]: 46: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,701 INFO L263 TraceCheckUtils]: 47: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:16,701 INFO L280 TraceCheckUtils]: 48: Hoare triple {3790#true} ~n := #in~n; {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,702 INFO L280 TraceCheckUtils]: 49: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {4201#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-28 19:11:16,703 INFO L280 TraceCheckUtils]: 50: Hoare triple {4201#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {4202#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,703 INFO L263 TraceCheckUtils]: 51: Hoare triple {4202#(<= 2 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:16,704 INFO L280 TraceCheckUtils]: 52: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,704 INFO L280 TraceCheckUtils]: 53: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,704 INFO L280 TraceCheckUtils]: 54: Hoare triple {3790#true} assume 1 == ~n;#res := 1; {3790#true} is VALID [2020-07-28 19:11:16,704 INFO L280 TraceCheckUtils]: 55: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,705 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {3790#true} {4202#(<= 2 |fibo_#in~n|)} #34#return; {4202#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,706 INFO L280 TraceCheckUtils]: 57: Hoare triple {4202#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4202#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,706 INFO L263 TraceCheckUtils]: 58: Hoare triple {4202#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:16,706 INFO L280 TraceCheckUtils]: 59: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,707 INFO L280 TraceCheckUtils]: 60: Hoare triple {3790#true} assume ~n < 1;#res := 0; {3790#true} is VALID [2020-07-28 19:11:16,707 INFO L280 TraceCheckUtils]: 61: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,708 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {3790#true} {4202#(<= 2 |fibo_#in~n|)} #36#return; {4202#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,709 INFO L280 TraceCheckUtils]: 63: Hoare triple {4202#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4202#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,709 INFO L280 TraceCheckUtils]: 64: Hoare triple {4202#(<= 2 |fibo_#in~n|)} assume true; {4202#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,711 INFO L275 TraceCheckUtils]: 65: Hoare quadruple {4202#(<= 2 |fibo_#in~n|)} {3920#(= fibo_~n |fibo_#in~n|)} #36#return; {4168#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,711 INFO L280 TraceCheckUtils]: 66: Hoare triple {4168#(<= 4 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4168#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,712 INFO L280 TraceCheckUtils]: 67: Hoare triple {4168#(<= 4 |fibo_#in~n|)} assume true; {4168#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,713 INFO L275 TraceCheckUtils]: 68: Hoare quadruple {4168#(<= 4 |fibo_#in~n|)} {3790#true} #34#return; {4099#(<= 5 fibo_~n)} is VALID [2020-07-28 19:11:16,714 INFO L280 TraceCheckUtils]: 69: Hoare triple {4099#(<= 5 fibo_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4099#(<= 5 fibo_~n)} is VALID [2020-07-28 19:11:16,714 INFO L263 TraceCheckUtils]: 70: Hoare triple {4099#(<= 5 fibo_~n)} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:16,714 INFO L280 TraceCheckUtils]: 71: Hoare triple {3790#true} ~n := #in~n; {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,715 INFO L280 TraceCheckUtils]: 72: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,716 INFO L280 TraceCheckUtils]: 73: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,716 INFO L263 TraceCheckUtils]: 74: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:16,716 INFO L280 TraceCheckUtils]: 75: Hoare triple {3790#true} ~n := #in~n; {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,717 INFO L280 TraceCheckUtils]: 76: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3920#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,717 INFO L280 TraceCheckUtils]: 77: Hoare triple {3920#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {4222#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:16,718 INFO L280 TraceCheckUtils]: 78: Hoare triple {4222#(<= |fibo_#in~n| 1)} assume true; {4222#(<= |fibo_#in~n| 1)} is VALID [2020-07-28 19:11:16,719 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {4222#(<= |fibo_#in~n| 1)} {3920#(= fibo_~n |fibo_#in~n|)} #34#return; {4217#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:16,720 INFO L280 TraceCheckUtils]: 80: Hoare triple {4217#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4217#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:16,720 INFO L263 TraceCheckUtils]: 81: Hoare triple {4217#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:16,720 INFO L280 TraceCheckUtils]: 82: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,720 INFO L280 TraceCheckUtils]: 83: Hoare triple {3790#true} assume ~n < 1;#res := 0; {3790#true} is VALID [2020-07-28 19:11:16,721 INFO L280 TraceCheckUtils]: 84: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,721 INFO L275 TraceCheckUtils]: 85: Hoare quadruple {3790#true} {4217#(<= |fibo_#in~n| 2)} #36#return; {4217#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:16,722 INFO L280 TraceCheckUtils]: 86: Hoare triple {4217#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4217#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:16,722 INFO L280 TraceCheckUtils]: 87: Hoare triple {4217#(<= |fibo_#in~n| 2)} assume true; {4217#(<= |fibo_#in~n| 2)} is VALID [2020-07-28 19:11:16,723 INFO L275 TraceCheckUtils]: 88: Hoare quadruple {4217#(<= |fibo_#in~n| 2)} {4099#(<= 5 fibo_~n)} #36#return; {3791#false} is VALID [2020-07-28 19:11:16,724 INFO L280 TraceCheckUtils]: 89: Hoare triple {3791#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3791#false} is VALID [2020-07-28 19:11:16,724 INFO L280 TraceCheckUtils]: 90: Hoare triple {3791#false} assume true; {3791#false} is VALID [2020-07-28 19:11:16,724 INFO L275 TraceCheckUtils]: 91: Hoare quadruple {3791#false} {3920#(= fibo_~n |fibo_#in~n|)} #34#return; {4007#(<= 6 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,724 INFO L280 TraceCheckUtils]: 92: Hoare triple {4007#(<= 6 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4007#(<= 6 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,725 INFO L263 TraceCheckUtils]: 93: Hoare triple {4007#(<= 6 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:16,725 INFO L280 TraceCheckUtils]: 94: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,725 INFO L280 TraceCheckUtils]: 95: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,725 INFO L280 TraceCheckUtils]: 96: Hoare triple {3790#true} assume !(1 == ~n); {3790#true} is VALID [2020-07-28 19:11:16,725 INFO L263 TraceCheckUtils]: 97: Hoare triple {3790#true} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:16,725 INFO L280 TraceCheckUtils]: 98: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,726 INFO L280 TraceCheckUtils]: 99: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,726 INFO L280 TraceCheckUtils]: 100: Hoare triple {3790#true} assume !(1 == ~n); {3790#true} is VALID [2020-07-28 19:11:16,726 INFO L263 TraceCheckUtils]: 101: Hoare triple {3790#true} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:16,726 INFO L280 TraceCheckUtils]: 102: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,726 INFO L280 TraceCheckUtils]: 103: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,726 INFO L280 TraceCheckUtils]: 104: Hoare triple {3790#true} assume 1 == ~n;#res := 1; {3790#true} is VALID [2020-07-28 19:11:16,727 INFO L280 TraceCheckUtils]: 105: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,727 INFO L275 TraceCheckUtils]: 106: Hoare quadruple {3790#true} {3790#true} #34#return; {3790#true} is VALID [2020-07-28 19:11:16,727 INFO L280 TraceCheckUtils]: 107: Hoare triple {3790#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3790#true} is VALID [2020-07-28 19:11:16,727 INFO L263 TraceCheckUtils]: 108: Hoare triple {3790#true} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:16,727 INFO L280 TraceCheckUtils]: 109: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,728 INFO L280 TraceCheckUtils]: 110: Hoare triple {3790#true} assume ~n < 1;#res := 0; {3790#true} is VALID [2020-07-28 19:11:16,728 INFO L280 TraceCheckUtils]: 111: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,728 INFO L275 TraceCheckUtils]: 112: Hoare quadruple {3790#true} {3790#true} #36#return; {3790#true} is VALID [2020-07-28 19:11:16,728 INFO L280 TraceCheckUtils]: 113: Hoare triple {3790#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3790#true} is VALID [2020-07-28 19:11:16,728 INFO L280 TraceCheckUtils]: 114: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,728 INFO L275 TraceCheckUtils]: 115: Hoare quadruple {3790#true} {3790#true} #34#return; {3790#true} is VALID [2020-07-28 19:11:16,729 INFO L280 TraceCheckUtils]: 116: Hoare triple {3790#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3790#true} is VALID [2020-07-28 19:11:16,729 INFO L263 TraceCheckUtils]: 117: Hoare triple {3790#true} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:16,729 INFO L280 TraceCheckUtils]: 118: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:16,729 INFO L280 TraceCheckUtils]: 119: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:16,729 INFO L280 TraceCheckUtils]: 120: Hoare triple {3790#true} assume 1 == ~n;#res := 1; {3790#true} is VALID [2020-07-28 19:11:16,729 INFO L280 TraceCheckUtils]: 121: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,730 INFO L275 TraceCheckUtils]: 122: Hoare quadruple {3790#true} {3790#true} #36#return; {3790#true} is VALID [2020-07-28 19:11:16,730 INFO L280 TraceCheckUtils]: 123: Hoare triple {3790#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3790#true} is VALID [2020-07-28 19:11:16,730 INFO L280 TraceCheckUtils]: 124: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:16,731 INFO L275 TraceCheckUtils]: 125: Hoare quadruple {3790#true} {4007#(<= 6 |fibo_#in~n|)} #36#return; {4007#(<= 6 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,732 INFO L280 TraceCheckUtils]: 126: Hoare triple {4007#(<= 6 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4007#(<= 6 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,732 INFO L280 TraceCheckUtils]: 127: Hoare triple {4007#(<= 6 |fibo_#in~n|)} assume true; {4007#(<= 6 |fibo_#in~n|)} is VALID [2020-07-28 19:11:16,733 INFO L275 TraceCheckUtils]: 128: Hoare quadruple {4007#(<= 6 |fibo_#in~n|)} {3792#(<= ULTIMATE.start_main_~x~0 5)} #32#return; {3791#false} is VALID [2020-07-28 19:11:16,733 INFO L280 TraceCheckUtils]: 129: Hoare triple {3791#false} assume -2147483648 <= main_#t~ret2 && main_#t~ret2 <= 2147483647;main_~result~0 := main_#t~ret2;havoc main_#t~ret2; {3791#false} is VALID [2020-07-28 19:11:16,733 INFO L280 TraceCheckUtils]: 130: Hoare triple {3791#false} assume 5 != main_~result~0; {3791#false} is VALID [2020-07-28 19:11:16,734 INFO L280 TraceCheckUtils]: 131: Hoare triple {3791#false} assume !false; {3791#false} is VALID [2020-07-28 19:11:16,747 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 204 proven. 219 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2020-07-28 19:11:16,747 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626535787] [2020-07-28 19:11:16,747 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [622407865] [2020-07-28 19:11:16,747 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 19:11:16,813 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2020-07-28 19:11:16,813 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-28 19:11:16,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-28 19:11:16,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:11:16,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 19:11:17,351 INFO L280 TraceCheckUtils]: 0: Hoare triple {3790#true} havoc main_#res;havoc main_#t~ret2, main_~x~0, main_~result~0;main_~x~0 := 5; {3792#(<= ULTIMATE.start_main_~x~0 5)} is VALID [2020-07-28 19:11:17,352 INFO L263 TraceCheckUtils]: 1: Hoare triple {3792#(<= ULTIMATE.start_main_~x~0 5)} call main_#t~ret2 := fibo(main_~x~0); {3790#true} is VALID [2020-07-28 19:11:17,353 INFO L280 TraceCheckUtils]: 2: Hoare triple {3790#true} ~n := #in~n; {4264#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,353 INFO L280 TraceCheckUtils]: 3: Hoare triple {4264#(<= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {4264#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,354 INFO L280 TraceCheckUtils]: 4: Hoare triple {4264#(<= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {4264#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,354 INFO L263 TraceCheckUtils]: 5: Hoare triple {4264#(<= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:17,355 INFO L280 TraceCheckUtils]: 6: Hoare triple {3790#true} ~n := #in~n; {4264#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,355 INFO L280 TraceCheckUtils]: 7: Hoare triple {4264#(<= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {4264#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,356 INFO L280 TraceCheckUtils]: 8: Hoare triple {4264#(<= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {4264#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,356 INFO L263 TraceCheckUtils]: 9: Hoare triple {4264#(<= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:17,357 INFO L280 TraceCheckUtils]: 10: Hoare triple {3790#true} ~n := #in~n; {4264#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,357 INFO L280 TraceCheckUtils]: 11: Hoare triple {4264#(<= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {4264#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,358 INFO L280 TraceCheckUtils]: 12: Hoare triple {4264#(<= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {4264#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,358 INFO L263 TraceCheckUtils]: 13: Hoare triple {4264#(<= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:17,359 INFO L280 TraceCheckUtils]: 14: Hoare triple {3790#true} ~n := #in~n; {4264#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,359 INFO L280 TraceCheckUtils]: 15: Hoare triple {4264#(<= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {4264#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,360 INFO L280 TraceCheckUtils]: 16: Hoare triple {4264#(<= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {4264#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,360 INFO L263 TraceCheckUtils]: 17: Hoare triple {4264#(<= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:17,361 INFO L280 TraceCheckUtils]: 18: Hoare triple {3790#true} ~n := #in~n; {4264#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,362 INFO L280 TraceCheckUtils]: 19: Hoare triple {4264#(<= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {4264#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,362 INFO L280 TraceCheckUtils]: 20: Hoare triple {4264#(<= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {4264#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,363 INFO L263 TraceCheckUtils]: 21: Hoare triple {4264#(<= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:17,363 INFO L280 TraceCheckUtils]: 22: Hoare triple {3790#true} ~n := #in~n; {4264#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,364 INFO L280 TraceCheckUtils]: 23: Hoare triple {4264#(<= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {4328#(<= 1 |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,365 INFO L280 TraceCheckUtils]: 24: Hoare triple {4328#(<= 1 |fibo_#in~n|)} assume 1 == ~n;#res := 1; {4328#(<= 1 |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,366 INFO L280 TraceCheckUtils]: 25: Hoare triple {4328#(<= 1 |fibo_#in~n|)} assume true; {4328#(<= 1 |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,368 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {4328#(<= 1 |fibo_#in~n|)} {4264#(<= fibo_~n |fibo_#in~n|)} #34#return; {4202#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,369 INFO L280 TraceCheckUtils]: 27: Hoare triple {4202#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4202#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,369 INFO L263 TraceCheckUtils]: 28: Hoare triple {4202#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:17,369 INFO L280 TraceCheckUtils]: 29: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:17,369 INFO L280 TraceCheckUtils]: 30: Hoare triple {3790#true} assume ~n < 1;#res := 0; {3790#true} is VALID [2020-07-28 19:11:17,369 INFO L280 TraceCheckUtils]: 31: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:17,370 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {3790#true} {4202#(<= 2 |fibo_#in~n|)} #36#return; {4202#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,371 INFO L280 TraceCheckUtils]: 33: Hoare triple {4202#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4202#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,372 INFO L280 TraceCheckUtils]: 34: Hoare triple {4202#(<= 2 |fibo_#in~n|)} assume true; {4202#(<= 2 |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,373 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {4202#(<= 2 |fibo_#in~n|)} {4264#(<= fibo_~n |fibo_#in~n|)} #34#return; {4365#(<= 3 |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,374 INFO L280 TraceCheckUtils]: 36: Hoare triple {4365#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4365#(<= 3 |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,374 INFO L263 TraceCheckUtils]: 37: Hoare triple {4365#(<= 3 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:17,374 INFO L280 TraceCheckUtils]: 38: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:17,374 INFO L280 TraceCheckUtils]: 39: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:17,374 INFO L280 TraceCheckUtils]: 40: Hoare triple {3790#true} assume 1 == ~n;#res := 1; {3790#true} is VALID [2020-07-28 19:11:17,375 INFO L280 TraceCheckUtils]: 41: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:17,376 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {3790#true} {4365#(<= 3 |fibo_#in~n|)} #36#return; {4365#(<= 3 |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,376 INFO L280 TraceCheckUtils]: 43: Hoare triple {4365#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4365#(<= 3 |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,377 INFO L280 TraceCheckUtils]: 44: Hoare triple {4365#(<= 3 |fibo_#in~n|)} assume true; {4365#(<= 3 |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,378 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {4365#(<= 3 |fibo_#in~n|)} {4264#(<= fibo_~n |fibo_#in~n|)} #34#return; {4168#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,379 INFO L280 TraceCheckUtils]: 46: Hoare triple {4168#(<= 4 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4168#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,379 INFO L263 TraceCheckUtils]: 47: Hoare triple {4168#(<= 4 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:17,379 INFO L280 TraceCheckUtils]: 48: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:17,380 INFO L280 TraceCheckUtils]: 49: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:17,380 INFO L280 TraceCheckUtils]: 50: Hoare triple {3790#true} assume !(1 == ~n); {3790#true} is VALID [2020-07-28 19:11:17,380 INFO L263 TraceCheckUtils]: 51: Hoare triple {3790#true} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:17,380 INFO L280 TraceCheckUtils]: 52: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:17,380 INFO L280 TraceCheckUtils]: 53: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:17,381 INFO L280 TraceCheckUtils]: 54: Hoare triple {3790#true} assume 1 == ~n;#res := 1; {3790#true} is VALID [2020-07-28 19:11:17,381 INFO L280 TraceCheckUtils]: 55: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:17,381 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {3790#true} {3790#true} #34#return; {3790#true} is VALID [2020-07-28 19:11:17,381 INFO L280 TraceCheckUtils]: 57: Hoare triple {3790#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3790#true} is VALID [2020-07-28 19:11:17,381 INFO L263 TraceCheckUtils]: 58: Hoare triple {3790#true} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:17,381 INFO L280 TraceCheckUtils]: 59: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:17,382 INFO L280 TraceCheckUtils]: 60: Hoare triple {3790#true} assume ~n < 1;#res := 0; {3790#true} is VALID [2020-07-28 19:11:17,382 INFO L280 TraceCheckUtils]: 61: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:17,382 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {3790#true} {3790#true} #36#return; {3790#true} is VALID [2020-07-28 19:11:17,382 INFO L280 TraceCheckUtils]: 63: Hoare triple {3790#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3790#true} is VALID [2020-07-28 19:11:17,382 INFO L280 TraceCheckUtils]: 64: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:17,384 INFO L275 TraceCheckUtils]: 65: Hoare quadruple {3790#true} {4168#(<= 4 |fibo_#in~n|)} #36#return; {4168#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,384 INFO L280 TraceCheckUtils]: 66: Hoare triple {4168#(<= 4 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4168#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,385 INFO L280 TraceCheckUtils]: 67: Hoare triple {4168#(<= 4 |fibo_#in~n|)} assume true; {4168#(<= 4 |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,386 INFO L275 TraceCheckUtils]: 68: Hoare quadruple {4168#(<= 4 |fibo_#in~n|)} {4264#(<= fibo_~n |fibo_#in~n|)} #34#return; {4465#(<= 5 |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,387 INFO L280 TraceCheckUtils]: 69: Hoare triple {4465#(<= 5 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4465#(<= 5 |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,387 INFO L263 TraceCheckUtils]: 70: Hoare triple {4465#(<= 5 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:17,387 INFO L280 TraceCheckUtils]: 71: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:17,387 INFO L280 TraceCheckUtils]: 72: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:17,387 INFO L280 TraceCheckUtils]: 73: Hoare triple {3790#true} assume !(1 == ~n); {3790#true} is VALID [2020-07-28 19:11:17,388 INFO L263 TraceCheckUtils]: 74: Hoare triple {3790#true} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:17,388 INFO L280 TraceCheckUtils]: 75: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:17,388 INFO L280 TraceCheckUtils]: 76: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:17,388 INFO L280 TraceCheckUtils]: 77: Hoare triple {3790#true} assume 1 == ~n;#res := 1; {3790#true} is VALID [2020-07-28 19:11:17,389 INFO L280 TraceCheckUtils]: 78: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:17,389 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {3790#true} {3790#true} #34#return; {3790#true} is VALID [2020-07-28 19:11:17,389 INFO L280 TraceCheckUtils]: 80: Hoare triple {3790#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3790#true} is VALID [2020-07-28 19:11:17,389 INFO L263 TraceCheckUtils]: 81: Hoare triple {3790#true} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:17,389 INFO L280 TraceCheckUtils]: 82: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:17,389 INFO L280 TraceCheckUtils]: 83: Hoare triple {3790#true} assume ~n < 1;#res := 0; {3790#true} is VALID [2020-07-28 19:11:17,389 INFO L280 TraceCheckUtils]: 84: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:17,390 INFO L275 TraceCheckUtils]: 85: Hoare quadruple {3790#true} {3790#true} #36#return; {3790#true} is VALID [2020-07-28 19:11:17,390 INFO L280 TraceCheckUtils]: 86: Hoare triple {3790#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3790#true} is VALID [2020-07-28 19:11:17,390 INFO L280 TraceCheckUtils]: 87: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:17,391 INFO L275 TraceCheckUtils]: 88: Hoare quadruple {3790#true} {4465#(<= 5 |fibo_#in~n|)} #36#return; {4465#(<= 5 |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,392 INFO L280 TraceCheckUtils]: 89: Hoare triple {4465#(<= 5 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4465#(<= 5 |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,392 INFO L280 TraceCheckUtils]: 90: Hoare triple {4465#(<= 5 |fibo_#in~n|)} assume true; {4465#(<= 5 |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,394 INFO L275 TraceCheckUtils]: 91: Hoare quadruple {4465#(<= 5 |fibo_#in~n|)} {4264#(<= fibo_~n |fibo_#in~n|)} #34#return; {4007#(<= 6 |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,394 INFO L280 TraceCheckUtils]: 92: Hoare triple {4007#(<= 6 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4007#(<= 6 |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,394 INFO L263 TraceCheckUtils]: 93: Hoare triple {4007#(<= 6 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:17,395 INFO L280 TraceCheckUtils]: 94: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:17,395 INFO L280 TraceCheckUtils]: 95: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:17,395 INFO L280 TraceCheckUtils]: 96: Hoare triple {3790#true} assume !(1 == ~n); {3790#true} is VALID [2020-07-28 19:11:17,395 INFO L263 TraceCheckUtils]: 97: Hoare triple {3790#true} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:17,395 INFO L280 TraceCheckUtils]: 98: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:17,395 INFO L280 TraceCheckUtils]: 99: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:17,396 INFO L280 TraceCheckUtils]: 100: Hoare triple {3790#true} assume !(1 == ~n); {3790#true} is VALID [2020-07-28 19:11:17,396 INFO L263 TraceCheckUtils]: 101: Hoare triple {3790#true} call #t~ret0 := fibo(~n - 1); {3790#true} is VALID [2020-07-28 19:11:17,396 INFO L280 TraceCheckUtils]: 102: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:17,396 INFO L280 TraceCheckUtils]: 103: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:17,396 INFO L280 TraceCheckUtils]: 104: Hoare triple {3790#true} assume 1 == ~n;#res := 1; {3790#true} is VALID [2020-07-28 19:11:17,396 INFO L280 TraceCheckUtils]: 105: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:17,397 INFO L275 TraceCheckUtils]: 106: Hoare quadruple {3790#true} {3790#true} #34#return; {3790#true} is VALID [2020-07-28 19:11:17,397 INFO L280 TraceCheckUtils]: 107: Hoare triple {3790#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3790#true} is VALID [2020-07-28 19:11:17,397 INFO L263 TraceCheckUtils]: 108: Hoare triple {3790#true} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:17,397 INFO L280 TraceCheckUtils]: 109: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:17,398 INFO L280 TraceCheckUtils]: 110: Hoare triple {3790#true} assume ~n < 1;#res := 0; {3790#true} is VALID [2020-07-28 19:11:17,398 INFO L280 TraceCheckUtils]: 111: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:17,398 INFO L275 TraceCheckUtils]: 112: Hoare quadruple {3790#true} {3790#true} #36#return; {3790#true} is VALID [2020-07-28 19:11:17,398 INFO L280 TraceCheckUtils]: 113: Hoare triple {3790#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3790#true} is VALID [2020-07-28 19:11:17,398 INFO L280 TraceCheckUtils]: 114: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:17,399 INFO L275 TraceCheckUtils]: 115: Hoare quadruple {3790#true} {3790#true} #34#return; {3790#true} is VALID [2020-07-28 19:11:17,399 INFO L280 TraceCheckUtils]: 116: Hoare triple {3790#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3790#true} is VALID [2020-07-28 19:11:17,399 INFO L263 TraceCheckUtils]: 117: Hoare triple {3790#true} call #t~ret1 := fibo(~n - 2); {3790#true} is VALID [2020-07-28 19:11:17,399 INFO L280 TraceCheckUtils]: 118: Hoare triple {3790#true} ~n := #in~n; {3790#true} is VALID [2020-07-28 19:11:17,400 INFO L280 TraceCheckUtils]: 119: Hoare triple {3790#true} assume !(~n < 1); {3790#true} is VALID [2020-07-28 19:11:17,400 INFO L280 TraceCheckUtils]: 120: Hoare triple {3790#true} assume 1 == ~n;#res := 1; {3790#true} is VALID [2020-07-28 19:11:17,400 INFO L280 TraceCheckUtils]: 121: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:17,400 INFO L275 TraceCheckUtils]: 122: Hoare quadruple {3790#true} {3790#true} #36#return; {3790#true} is VALID [2020-07-28 19:11:17,400 INFO L280 TraceCheckUtils]: 123: Hoare triple {3790#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3790#true} is VALID [2020-07-28 19:11:17,400 INFO L280 TraceCheckUtils]: 124: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-28 19:11:17,402 INFO L275 TraceCheckUtils]: 125: Hoare quadruple {3790#true} {4007#(<= 6 |fibo_#in~n|)} #36#return; {4007#(<= 6 |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,402 INFO L280 TraceCheckUtils]: 126: Hoare triple {4007#(<= 6 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4007#(<= 6 |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,403 INFO L280 TraceCheckUtils]: 127: Hoare triple {4007#(<= 6 |fibo_#in~n|)} assume true; {4007#(<= 6 |fibo_#in~n|)} is VALID [2020-07-28 19:11:17,404 INFO L275 TraceCheckUtils]: 128: Hoare quadruple {4007#(<= 6 |fibo_#in~n|)} {3792#(<= ULTIMATE.start_main_~x~0 5)} #32#return; {3791#false} is VALID [2020-07-28 19:11:17,405 INFO L280 TraceCheckUtils]: 129: Hoare triple {3791#false} assume -2147483648 <= main_#t~ret2 && main_#t~ret2 <= 2147483647;main_~result~0 := main_#t~ret2;havoc main_#t~ret2; {3791#false} is VALID [2020-07-28 19:11:17,405 INFO L280 TraceCheckUtils]: 130: Hoare triple {3791#false} assume 5 != main_~result~0; {3791#false} is VALID [2020-07-28 19:11:17,405 INFO L280 TraceCheckUtils]: 131: Hoare triple {3791#false} assume !false; {3791#false} is VALID [2020-07-28 19:11:17,416 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 131 proven. 302 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2020-07-28 19:11:17,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-28 19:11:17,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 15 [2020-07-28 19:11:17,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470541058] [2020-07-28 19:11:17,420 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 132 [2020-07-28 19:11:17,468 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:11:17,468 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states. [2020-07-28 19:11:17,556 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 82 edges. 82 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:11:17,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-28 19:11:17,556 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:11:17,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-28 19:11:17,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2020-07-28 19:11:17,557 INFO L87 Difference]: Start difference. First operand 63 states and 76 transitions. Second operand 15 states. [2020-07-28 19:11:18,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:11:18,569 INFO L93 Difference]: Finished difference Result 123 states and 165 transitions. [2020-07-28 19:11:18,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-28 19:11:18,569 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 132 [2020-07-28 19:11:18,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:11:18,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-28 19:11:18,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 81 transitions. [2020-07-28 19:11:18,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-28 19:11:18,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 81 transitions. [2020-07-28 19:11:18,586 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 18 states and 81 transitions. [2020-07-28 19:11:18,672 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 81 edges. 81 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:11:18,673 INFO L225 Difference]: With dead ends: 123 [2020-07-28 19:11:18,673 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 19:11:18,674 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2020-07-28 19:11:18,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 19:11:18,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 19:11:18,675 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:11:18,675 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 19:11:18,675 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:11:18,675 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:11:18,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:11:18,676 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:11:18,676 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:11:18,676 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:11:18,676 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:11:18,676 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:11:18,676 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:11:18,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:11:18,676 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:11:18,677 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:11:18,677 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:11:18,677 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:11:18,677 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:11:18,677 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:11:18,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 19:11:18,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 19:11:18,678 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 132 [2020-07-28 19:11:18,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:11:18,678 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 19:11:18,678 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-28 19:11:18,678 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:11:18,678 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:11:18,887 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 19:11:18,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 19:11:19,347 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 34 [2020-07-28 19:11:19,459 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 19:11:19,459 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 19:11:19,459 INFO L264 CegarLoopResult]: At program point L29(lines 23 30) the Hoare annotation is: (<= 5 ULTIMATE.start_main_~x~0) [2020-07-28 19:11:19,459 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 19:11:19,460 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-07-28 19:11:19,460 INFO L268 CegarLoopResult]: For program point L26(lines 26 28) no Hoare annotation was computed. [2020-07-28 19:11:19,460 INFO L264 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: (and (<= 5 ULTIMATE.start_main_~x~0) (<= ULTIMATE.start_main_~x~0 5)) [2020-07-28 19:11:19,460 INFO L268 CegarLoopResult]: For program point L25-1(line 25) no Hoare annotation was computed. [2020-07-28 19:11:19,460 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 27) no Hoare annotation was computed. [2020-07-28 19:11:19,460 INFO L268 CegarLoopResult]: For program point L26-2(lines 26 28) no Hoare annotation was computed. [2020-07-28 19:11:19,461 INFO L268 CegarLoopResult]: For program point fiboEXIT(lines 5 13) no Hoare annotation was computed. [2020-07-28 19:11:19,461 INFO L268 CegarLoopResult]: For program point fiboFINAL(lines 5 13) no Hoare annotation was computed. [2020-07-28 19:11:19,461 INFO L264 CegarLoopResult]: At program point L11(line 11) the Hoare annotation is: (and (= fibo_~n |fibo_#in~n|) (<= 2 |fibo_#in~n|)) [2020-07-28 19:11:19,461 INFO L268 CegarLoopResult]: For program point L11-1(line 11) no Hoare annotation was computed. [2020-07-28 19:11:19,461 INFO L264 CegarLoopResult]: At program point L11-2(line 11) the Hoare annotation is: (let ((.cse2 (= fibo_~n |fibo_#in~n|))) (and (let ((.cse0 (<= 1 |fibo_#t~ret0|)) (.cse1 (<= |fibo_#t~ret0| 1))) (or (and (<= 4 |fibo_#in~n|) (<= |fibo_#t~ret0| 2) (<= 2 |fibo_#t~ret0|)) (and .cse0 .cse1 (<= |fibo_#in~n| 2) (<= 2 |fibo_#in~n|)) (and .cse2 (<= 5 fibo_~n)) (and .cse0 .cse1 (<= 3 |fibo_#in~n|) (<= |fibo_#in~n| 3)))) (or (and .cse2 (<= |fibo_#in~n| 4)) (and (<= 3 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 3)) (and .cse2 (<= 6 |fibo_#in~n|))))) [2020-07-28 19:11:19,461 INFO L268 CegarLoopResult]: For program point L8(lines 8 12) no Hoare annotation was computed. [2020-07-28 19:11:19,461 INFO L268 CegarLoopResult]: For program point L11-3(line 11) no Hoare annotation was computed. [2020-07-28 19:11:19,461 INFO L268 CegarLoopResult]: For program point L6(lines 6 12) no Hoare annotation was computed. [2020-07-28 19:11:19,461 INFO L271 CegarLoopResult]: At program point fiboENTRY(lines 5 13) the Hoare annotation is: true [2020-07-28 19:11:19,465 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:11:19,465 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2020-07-28 19:11:19,465 WARN L170 areAnnotationChecker]: L25-1 has no Hoare annotation [2020-07-28 19:11:19,466 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2020-07-28 19:11:19,466 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2020-07-28 19:11:19,466 WARN L170 areAnnotationChecker]: L25-1 has no Hoare annotation [2020-07-28 19:11:19,466 WARN L170 areAnnotationChecker]: fiboFINAL has no Hoare annotation [2020-07-28 19:11:19,466 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-28 19:11:19,466 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-28 19:11:19,466 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-28 19:11:19,466 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-28 19:11:19,466 WARN L170 areAnnotationChecker]: fiboEXIT has no Hoare annotation [2020-07-28 19:11:19,466 WARN L170 areAnnotationChecker]: fiboEXIT has no Hoare annotation [2020-07-28 19:11:19,467 WARN L170 areAnnotationChecker]: fiboEXIT has no Hoare annotation [2020-07-28 19:11:19,467 WARN L170 areAnnotationChecker]: L11-1 has no Hoare annotation [2020-07-28 19:11:19,467 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-28 19:11:19,467 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-28 19:11:19,467 WARN L170 areAnnotationChecker]: L26-2 has no Hoare annotation [2020-07-28 19:11:19,467 WARN L170 areAnnotationChecker]: L11-1 has no Hoare annotation [2020-07-28 19:11:19,467 WARN L170 areAnnotationChecker]: L11-3 has no Hoare annotation [2020-07-28 19:11:19,467 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:11:19,467 WARN L170 areAnnotationChecker]: L11-3 has no Hoare annotation [2020-07-28 19:11:19,467 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:11:19,468 INFO L163 areAnnotationChecker]: CFG has 3 edges. 3 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:11:19,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:11:19 BoogieIcfgContainer [2020-07-28 19:11:19,478 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:11:19,479 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:11:19,479 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:11:19,479 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:11:19,480 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:11:01" (3/4) ... [2020-07-28 19:11:19,484 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 19:11:19,490 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fibo [2020-07-28 19:11:19,495 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 19:11:19,495 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 19:11:19,555 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:11:19,555 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:11:19,557 INFO L168 Benchmark]: Toolchain (without parser) took 19128.89 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 412.6 MB). Free memory was 960.2 MB in the beginning and 1.2 GB in the end (delta: -251.4 MB). Peak memory consumption was 161.2 MB. Max. memory is 11.5 GB. [2020-07-28 19:11:19,558 INFO L168 Benchmark]: CDTParser took 0.29 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 19:11:19,558 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.54 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-28 19:11:19,558 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.88 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:11:19,559 INFO L168 Benchmark]: Boogie Preprocessor took 75.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -163.6 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2020-07-28 19:11:19,559 INFO L168 Benchmark]: RCFGBuilder took 304.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2020-07-28 19:11:19,560 INFO L168 Benchmark]: TraceAbstraction took 18367.02 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 296.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -125.1 MB). Peak memory consumption was 171.1 MB. Max. memory is 11.5 GB. [2020-07-28 19:11:19,560 INFO L168 Benchmark]: Witness Printer took 76.49 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:11:19,562 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 0.29 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 266.54 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 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 31.88 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 75.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -163.6 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 304.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18367.02 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 296.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -125.1 MB). Peak memory consumption was 171.1 MB. Max. memory is 11.5 GB. * Witness Printer took 76.49 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 27]: 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: 23]: Loop Invariant Derived loop invariant: 5 <= x - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.6s, OverallIterations: 9, TraceHistogramMax: 19, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 164 SDtfs, 294 SDslu, 716 SDs, 0 SdLazy, 1147 SolverSat, 260 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 775 GetRequests, 642 SyntacticMatches, 8 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 13 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 125 PreInvPairs, 189 NumberOfFragments, 85 HoareAnnotationTreeSize, 125 FomulaSimplifications, 486 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 5 FomulaSimplificationsInter, 829 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 7.4s InterpolantComputationTime, 1021 NumberOfCodeBlocks, 981 NumberOfCodeBlocksAsserted, 49 NumberOfCheckSat, 1005 ConstructedInterpolants, 0 QuantifiedInterpolants, 225143 SizeOfPredicates, 28 NumberOfNonLiveVariables, 1022 ConjunctsInSsa, 117 ConjunctsInUnsatCore, 16 InterpolantComputations, 2 PerfectInterpolantSequences, 3662/5022 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...