/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_6-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-11 00:49:12,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-11 00:49:12,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-11 00:49:12,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-11 00:49:12,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-11 00:49:12,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-11 00:49:12,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-11 00:49:12,214 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-11 00:49:12,216 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-11 00:49:12,217 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-11 00:49:12,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-11 00:49:12,219 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-11 00:49:12,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-11 00:49:12,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-11 00:49:12,221 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-11 00:49:12,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-11 00:49:12,223 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-11 00:49:12,224 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-11 00:49:12,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-11 00:49:12,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-11 00:49:12,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-11 00:49:12,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-11 00:49:12,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-11 00:49:12,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-11 00:49:12,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-11 00:49:12,234 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-11 00:49:12,235 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-11 00:49:12,235 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-11 00:49:12,236 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-11 00:49:12,237 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-11 00:49:12,237 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-11 00:49:12,238 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-11 00:49:12,239 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-11 00:49:12,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-11 00:49:12,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-11 00:49:12,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-11 00:49:12,241 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-11 00:49:12,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-11 00:49:12,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-11 00:49:12,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-11 00:49:12,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-11 00:49:12,244 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-11 00:49:12,255 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-11 00:49:12,256 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-11 00:49:12,257 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-11 00:49:12,257 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-11 00:49:12,257 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-11 00:49:12,258 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-11 00:49:12,258 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-11 00:49:12,258 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-11 00:49:12,258 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-11 00:49:12,258 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-11 00:49:12,259 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-11 00:49:12,259 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-11 00:49:12,259 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-11 00:49:12,259 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-11 00:49:12,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-11 00:49:12,260 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-11 00:49:12,260 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-11 00:49:12,260 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-11 00:49:12,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-11 00:49:12,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-11 00:49:12,261 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-11 00:49:12,261 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-11 00:49:12,261 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-11 00:49:12,583 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-11 00:49:12,600 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-11 00:49:12,605 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-11 00:49:12,607 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-11 00:49:12,607 INFO L275 PluginConnector]: CDTParser initialized [2020-07-11 00:49:12,609 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_6-2.c [2020-07-11 00:49:12,678 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b68c407b/ab18ce130da34310b10cfe665ebb983f/FLAGebed18fde [2020-07-11 00:49:13,154 INFO L306 CDTParser]: Found 1 translation units. [2020-07-11 00:49:13,154 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/fibo_2calls_6-2.c [2020-07-11 00:49:13,162 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b68c407b/ab18ce130da34310b10cfe665ebb983f/FLAGebed18fde [2020-07-11 00:49:13,528 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b68c407b/ab18ce130da34310b10cfe665ebb983f [2020-07-11 00:49:13,539 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-11 00:49:13,541 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-11 00:49:13,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-11 00:49:13,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-11 00:49:13,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-11 00:49:13,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 12:49:13" (1/1) ... [2020-07-11 00:49:13,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f91136a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:49:13, skipping insertion in model container [2020-07-11 00:49:13,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 12:49:13" (1/1) ... [2020-07-11 00:49:13,563 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-11 00:49:13,583 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-11 00:49:13,803 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 00:49:13,808 INFO L203 MainTranslator]: Completed pre-run [2020-07-11 00:49:13,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 00:49:13,842 INFO L208 MainTranslator]: Completed translation [2020-07-11 00:49:13,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:49:13 WrapperNode [2020-07-11 00:49:13,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-11 00:49:13,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-11 00:49:13,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-11 00:49:13,844 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-11 00:49:13,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:49:13" (1/1) ... [2020-07-11 00:49:13,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:49:13" (1/1) ... [2020-07-11 00:49:13,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:49:13" (1/1) ... [2020-07-11 00:49:13,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:49:13" (1/1) ... [2020-07-11 00:49:13,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:49:13" (1/1) ... [2020-07-11 00:49:13,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:49:13" (1/1) ... [2020-07-11 00:49:13,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:49:13" (1/1) ... [2020-07-11 00:49:13,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-11 00:49:13,978 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-11 00:49:13,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-11 00:49:13,979 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-11 00:49:13,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:49:13" (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 [2020-07-11 00:49:14,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-11 00:49:14,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-11 00:49:14,051 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-07-11 00:49:14,052 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-07-11 00:49:14,052 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-11 00:49:14,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-11 00:49:14,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-11 00:49:14,052 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-07-11 00:49:14,053 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-07-11 00:49:14,053 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-11 00:49:14,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-11 00:49:14,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-11 00:49:14,393 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-11 00:49:14,394 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-11 00:49:14,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 12:49:14 BoogieIcfgContainer [2020-07-11 00:49:14,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-11 00:49:14,400 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-11 00:49:14,400 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-11 00:49:14,403 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-11 00:49:14,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.07 12:49:13" (1/3) ... [2020-07-11 00:49:14,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e64895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 12:49:14, skipping insertion in model container [2020-07-11 00:49:14,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:49:13" (2/3) ... [2020-07-11 00:49:14,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e64895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 12:49:14, skipping insertion in model container [2020-07-11 00:49:14,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 12:49:14" (3/3) ... [2020-07-11 00:49:14,408 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_6-2.c [2020-07-11 00:49:14,419 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-11 00:49:14,427 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-11 00:49:14,443 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-11 00:49:14,466 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-11 00:49:14,466 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-11 00:49:14,467 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-11 00:49:14,467 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-11 00:49:14,467 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-11 00:49:14,467 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-11 00:49:14,467 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-11 00:49:14,467 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-11 00:49:14,487 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2020-07-11 00:49:14,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-11 00:49:14,499 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:49:14,500 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 00:49:14,500 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:49:14,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:49:14,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1089710179, now seen corresponding path program 1 times [2020-07-11 00:49:14,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:49:14,517 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [798073677] [2020-07-11 00:49:14,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:49:14,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:14,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:14,722 INFO L280 TraceCheckUtils]: 0: Hoare triple {48#true} assume true; {48#true} is VALID [2020-07-11 00:49:14,723 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {48#true} {48#true} #59#return; {48#true} is VALID [2020-07-11 00:49:14,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:14,788 INFO L280 TraceCheckUtils]: 0: Hoare triple {48#true} ~n := #in~n; {58#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:14,790 INFO L280 TraceCheckUtils]: 1: Hoare triple {58#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {59#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:49:14,791 INFO L280 TraceCheckUtils]: 2: Hoare triple {59#(<= |fibo1_#in~n| 0)} #res := 0; {59#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:49:14,792 INFO L280 TraceCheckUtils]: 3: Hoare triple {59#(<= |fibo1_#in~n| 0)} assume true; {59#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:49:14,795 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {59#(<= |fibo1_#in~n| 0)} {52#(<= 6 main_~x~0)} #63#return; {49#false} is VALID [2020-07-11 00:49:14,796 INFO L263 TraceCheckUtils]: 0: Hoare triple {48#true} call ULTIMATE.init(); {48#true} is VALID [2020-07-11 00:49:14,796 INFO L280 TraceCheckUtils]: 1: Hoare triple {48#true} assume true; {48#true} is VALID [2020-07-11 00:49:14,797 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {48#true} {48#true} #59#return; {48#true} is VALID [2020-07-11 00:49:14,797 INFO L263 TraceCheckUtils]: 3: Hoare triple {48#true} call #t~ret5 := main(); {48#true} is VALID [2020-07-11 00:49:14,799 INFO L280 TraceCheckUtils]: 4: Hoare triple {48#true} ~x~0 := 6; {52#(<= 6 main_~x~0)} is VALID [2020-07-11 00:49:14,799 INFO L263 TraceCheckUtils]: 5: Hoare triple {52#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {48#true} is VALID [2020-07-11 00:49:14,800 INFO L280 TraceCheckUtils]: 6: Hoare triple {48#true} ~n := #in~n; {58#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:14,802 INFO L280 TraceCheckUtils]: 7: Hoare triple {58#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {59#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:49:14,803 INFO L280 TraceCheckUtils]: 8: Hoare triple {59#(<= |fibo1_#in~n| 0)} #res := 0; {59#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:49:14,804 INFO L280 TraceCheckUtils]: 9: Hoare triple {59#(<= |fibo1_#in~n| 0)} assume true; {59#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:49:14,807 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {59#(<= |fibo1_#in~n| 0)} {52#(<= 6 main_~x~0)} #63#return; {49#false} is VALID [2020-07-11 00:49:14,807 INFO L280 TraceCheckUtils]: 11: Hoare triple {49#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {49#false} is VALID [2020-07-11 00:49:14,808 INFO L280 TraceCheckUtils]: 12: Hoare triple {49#false} ~result~0 := #t~ret4; {49#false} is VALID [2020-07-11 00:49:14,808 INFO L280 TraceCheckUtils]: 13: Hoare triple {49#false} havoc #t~ret4; {49#false} is VALID [2020-07-11 00:49:14,809 INFO L280 TraceCheckUtils]: 14: Hoare triple {49#false} assume 8 == ~result~0; {49#false} is VALID [2020-07-11 00:49:14,809 INFO L280 TraceCheckUtils]: 15: Hoare triple {49#false} assume !false; {49#false} is VALID [2020-07-11 00:49:14,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 00:49:14,813 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [798073677] [2020-07-11 00:49:14,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 00:49:14,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-11 00:49:14,817 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503584014] [2020-07-11 00:49:14,825 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-07-11 00:49:14,828 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:49:14,834 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-11 00:49:14,871 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:49:14,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-11 00:49:14,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:49:14,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-11 00:49:14,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-11 00:49:14,887 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 5 states. [2020-07-11 00:49:15,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:49:15,339 INFO L93 Difference]: Finished difference Result 58 states and 67 transitions. [2020-07-11 00:49:15,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-11 00:49:15,340 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-07-11 00:49:15,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:49:15,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-11 00:49:15,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 67 transitions. [2020-07-11 00:49:15,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-11 00:49:15,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 67 transitions. [2020-07-11 00:49:15,360 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 67 transitions. [2020-07-11 00:49:15,480 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:49:15,494 INFO L225 Difference]: With dead ends: 58 [2020-07-11 00:49:15,495 INFO L226 Difference]: Without dead ends: 42 [2020-07-11 00:49:15,499 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-11 00:49:15,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-07-11 00:49:15,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-07-11 00:49:15,589 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:49:15,589 INFO L82 GeneralOperation]: Start isEquivalent. First operand 42 states. Second operand 42 states. [2020-07-11 00:49:15,590 INFO L74 IsIncluded]: Start isIncluded. First operand 42 states. Second operand 42 states. [2020-07-11 00:49:15,590 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 42 states. [2020-07-11 00:49:15,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:49:15,598 INFO L93 Difference]: Finished difference Result 42 states and 49 transitions. [2020-07-11 00:49:15,599 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2020-07-11 00:49:15,600 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:49:15,600 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:49:15,601 INFO L74 IsIncluded]: Start isIncluded. First operand 42 states. Second operand 42 states. [2020-07-11 00:49:15,601 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 42 states. [2020-07-11 00:49:15,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:49:15,608 INFO L93 Difference]: Finished difference Result 42 states and 49 transitions. [2020-07-11 00:49:15,608 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2020-07-11 00:49:15,609 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:49:15,609 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:49:15,610 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:49:15,610 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:49:15,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-07-11 00:49:15,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2020-07-11 00:49:15,617 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 16 [2020-07-11 00:49:15,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:49:15,619 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2020-07-11 00:49:15,620 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-11 00:49:15,620 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 42 states and 49 transitions. [2020-07-11 00:49:15,689 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:49:15,689 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2020-07-11 00:49:15,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-11 00:49:15,690 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:49:15,691 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 00:49:15,691 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-11 00:49:15,691 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:49:15,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:49:15,692 INFO L82 PathProgramCache]: Analyzing trace with hash -653728005, now seen corresponding path program 1 times [2020-07-11 00:49:15,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:49:15,693 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [579984565] [2020-07-11 00:49:15,693 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:49:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:15,730 INFO L280 TraceCheckUtils]: 0: Hoare triple {348#true} assume true; {348#true} is VALID [2020-07-11 00:49:15,730 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {348#true} {348#true} #59#return; {348#true} is VALID [2020-07-11 00:49:15,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:15,773 INFO L280 TraceCheckUtils]: 0: Hoare triple {348#true} ~n := #in~n; {359#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:15,774 INFO L280 TraceCheckUtils]: 1: Hoare triple {359#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {359#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:15,775 INFO L280 TraceCheckUtils]: 2: Hoare triple {359#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {360#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:15,775 INFO L280 TraceCheckUtils]: 3: Hoare triple {360#(<= |fibo1_#in~n| 1)} #res := 1; {360#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:15,776 INFO L280 TraceCheckUtils]: 4: Hoare triple {360#(<= |fibo1_#in~n| 1)} assume true; {360#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:15,778 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {360#(<= |fibo1_#in~n| 1)} {352#(<= 6 main_~x~0)} #63#return; {349#false} is VALID [2020-07-11 00:49:15,778 INFO L263 TraceCheckUtils]: 0: Hoare triple {348#true} call ULTIMATE.init(); {348#true} is VALID [2020-07-11 00:49:15,779 INFO L280 TraceCheckUtils]: 1: Hoare triple {348#true} assume true; {348#true} is VALID [2020-07-11 00:49:15,779 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {348#true} {348#true} #59#return; {348#true} is VALID [2020-07-11 00:49:15,779 INFO L263 TraceCheckUtils]: 3: Hoare triple {348#true} call #t~ret5 := main(); {348#true} is VALID [2020-07-11 00:49:15,781 INFO L280 TraceCheckUtils]: 4: Hoare triple {348#true} ~x~0 := 6; {352#(<= 6 main_~x~0)} is VALID [2020-07-11 00:49:15,782 INFO L263 TraceCheckUtils]: 5: Hoare triple {352#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {348#true} is VALID [2020-07-11 00:49:15,782 INFO L280 TraceCheckUtils]: 6: Hoare triple {348#true} ~n := #in~n; {359#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:15,783 INFO L280 TraceCheckUtils]: 7: Hoare triple {359#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {359#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:15,784 INFO L280 TraceCheckUtils]: 8: Hoare triple {359#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {360#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:15,785 INFO L280 TraceCheckUtils]: 9: Hoare triple {360#(<= |fibo1_#in~n| 1)} #res := 1; {360#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:15,786 INFO L280 TraceCheckUtils]: 10: Hoare triple {360#(<= |fibo1_#in~n| 1)} assume true; {360#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:15,787 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {360#(<= |fibo1_#in~n| 1)} {352#(<= 6 main_~x~0)} #63#return; {349#false} is VALID [2020-07-11 00:49:15,788 INFO L280 TraceCheckUtils]: 12: Hoare triple {349#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {349#false} is VALID [2020-07-11 00:49:15,788 INFO L280 TraceCheckUtils]: 13: Hoare triple {349#false} ~result~0 := #t~ret4; {349#false} is VALID [2020-07-11 00:49:15,788 INFO L280 TraceCheckUtils]: 14: Hoare triple {349#false} havoc #t~ret4; {349#false} is VALID [2020-07-11 00:49:15,789 INFO L280 TraceCheckUtils]: 15: Hoare triple {349#false} assume 8 == ~result~0; {349#false} is VALID [2020-07-11 00:49:15,789 INFO L280 TraceCheckUtils]: 16: Hoare triple {349#false} assume !false; {349#false} is VALID [2020-07-11 00:49:15,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 00:49:15,793 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [579984565] [2020-07-11 00:49:15,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 00:49:15,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-11 00:49:15,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123215798] [2020-07-11 00:49:15,797 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-07-11 00:49:15,797 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:49:15,797 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-11 00:49:15,821 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:49:15,821 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-11 00:49:15,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:49:15,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-11 00:49:15,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-11 00:49:15,822 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand 5 states. [2020-07-11 00:49:16,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:49:16,079 INFO L93 Difference]: Finished difference Result 50 states and 58 transitions. [2020-07-11 00:49:16,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-11 00:49:16,079 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-07-11 00:49:16,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:49:16,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-11 00:49:16,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 55 transitions. [2020-07-11 00:49:16,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-11 00:49:16,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 55 transitions. [2020-07-11 00:49:16,086 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 55 transitions. [2020-07-11 00:49:16,162 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:49:16,165 INFO L225 Difference]: With dead ends: 50 [2020-07-11 00:49:16,166 INFO L226 Difference]: Without dead ends: 44 [2020-07-11 00:49:16,167 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-11 00:49:16,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-07-11 00:49:16,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 42. [2020-07-11 00:49:16,215 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:49:16,215 INFO L82 GeneralOperation]: Start isEquivalent. First operand 44 states. Second operand 42 states. [2020-07-11 00:49:16,215 INFO L74 IsIncluded]: Start isIncluded. First operand 44 states. Second operand 42 states. [2020-07-11 00:49:16,215 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 42 states. [2020-07-11 00:49:16,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:49:16,220 INFO L93 Difference]: Finished difference Result 44 states and 52 transitions. [2020-07-11 00:49:16,221 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2020-07-11 00:49:16,222 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:49:16,222 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:49:16,223 INFO L74 IsIncluded]: Start isIncluded. First operand 42 states. Second operand 44 states. [2020-07-11 00:49:16,223 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 44 states. [2020-07-11 00:49:16,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:49:16,228 INFO L93 Difference]: Finished difference Result 44 states and 52 transitions. [2020-07-11 00:49:16,228 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2020-07-11 00:49:16,230 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:49:16,230 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:49:16,230 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:49:16,230 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:49:16,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-07-11 00:49:16,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2020-07-11 00:49:16,235 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 17 [2020-07-11 00:49:16,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:49:16,238 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2020-07-11 00:49:16,239 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-11 00:49:16,239 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 42 states and 49 transitions. [2020-07-11 00:49:16,323 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:49:16,323 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2020-07-11 00:49:16,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-11 00:49:16,325 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:49:16,328 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 00:49:16,329 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-11 00:49:16,329 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:49:16,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:49:16,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1617834856, now seen corresponding path program 1 times [2020-07-11 00:49:16,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:49:16,330 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1228329575] [2020-07-11 00:49:16,331 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:49:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:16,405 INFO L280 TraceCheckUtils]: 0: Hoare triple {637#true} assume true; {637#true} is VALID [2020-07-11 00:49:16,405 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {637#true} {637#true} #59#return; {637#true} is VALID [2020-07-11 00:49:16,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:16,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:16,502 INFO L280 TraceCheckUtils]: 0: Hoare triple {637#true} ~n := #in~n; {676#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:16,503 INFO L280 TraceCheckUtils]: 1: Hoare triple {676#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:49:16,504 INFO L280 TraceCheckUtils]: 2: Hoare triple {677#(<= |fibo2_#in~n| 0)} #res := 0; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:49:16,505 INFO L280 TraceCheckUtils]: 3: Hoare triple {677#(<= |fibo2_#in~n| 0)} assume true; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:49:16,506 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {677#(<= |fibo2_#in~n| 0)} {665#(< 1 fibo1_~n)} #69#return; {638#false} is VALID [2020-07-11 00:49:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:16,512 INFO L280 TraceCheckUtils]: 0: Hoare triple {637#true} ~n := #in~n; {637#true} is VALID [2020-07-11 00:49:16,513 INFO L280 TraceCheckUtils]: 1: Hoare triple {637#true} assume ~n < 1; {637#true} is VALID [2020-07-11 00:49:16,513 INFO L280 TraceCheckUtils]: 2: Hoare triple {637#true} #res := 0; {637#true} is VALID [2020-07-11 00:49:16,513 INFO L280 TraceCheckUtils]: 3: Hoare triple {637#true} assume true; {637#true} is VALID [2020-07-11 00:49:16,514 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {637#true} {638#false} #71#return; {638#false} is VALID [2020-07-11 00:49:16,514 INFO L280 TraceCheckUtils]: 0: Hoare triple {637#true} ~n := #in~n; {637#true} is VALID [2020-07-11 00:49:16,515 INFO L280 TraceCheckUtils]: 1: Hoare triple {637#true} assume !(~n < 1); {664#(< 0 fibo1_~n)} is VALID [2020-07-11 00:49:16,516 INFO L280 TraceCheckUtils]: 2: Hoare triple {664#(< 0 fibo1_~n)} assume !(1 == ~n); {665#(< 1 fibo1_~n)} is VALID [2020-07-11 00:49:16,517 INFO L263 TraceCheckUtils]: 3: Hoare triple {665#(< 1 fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {637#true} is VALID [2020-07-11 00:49:16,517 INFO L280 TraceCheckUtils]: 4: Hoare triple {637#true} ~n := #in~n; {676#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:16,521 INFO L280 TraceCheckUtils]: 5: Hoare triple {676#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:49:16,522 INFO L280 TraceCheckUtils]: 6: Hoare triple {677#(<= |fibo2_#in~n| 0)} #res := 0; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:49:16,523 INFO L280 TraceCheckUtils]: 7: Hoare triple {677#(<= |fibo2_#in~n| 0)} assume true; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:49:16,524 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {677#(<= |fibo2_#in~n| 0)} {665#(< 1 fibo1_~n)} #69#return; {638#false} is VALID [2020-07-11 00:49:16,524 INFO L280 TraceCheckUtils]: 9: Hoare triple {638#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {638#false} is VALID [2020-07-11 00:49:16,525 INFO L263 TraceCheckUtils]: 10: Hoare triple {638#false} call #t~ret1 := fibo2(~n - 2); {637#true} is VALID [2020-07-11 00:49:16,525 INFO L280 TraceCheckUtils]: 11: Hoare triple {637#true} ~n := #in~n; {637#true} is VALID [2020-07-11 00:49:16,526 INFO L280 TraceCheckUtils]: 12: Hoare triple {637#true} assume ~n < 1; {637#true} is VALID [2020-07-11 00:49:16,526 INFO L280 TraceCheckUtils]: 13: Hoare triple {637#true} #res := 0; {637#true} is VALID [2020-07-11 00:49:16,526 INFO L280 TraceCheckUtils]: 14: Hoare triple {637#true} assume true; {637#true} is VALID [2020-07-11 00:49:16,527 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {637#true} {638#false} #71#return; {638#false} is VALID [2020-07-11 00:49:16,527 INFO L280 TraceCheckUtils]: 16: Hoare triple {638#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {638#false} is VALID [2020-07-11 00:49:16,527 INFO L280 TraceCheckUtils]: 17: Hoare triple {638#false} #res := #t~ret0 + #t~ret1; {638#false} is VALID [2020-07-11 00:49:16,528 INFO L280 TraceCheckUtils]: 18: Hoare triple {638#false} havoc #t~ret1; {638#false} is VALID [2020-07-11 00:49:16,528 INFO L280 TraceCheckUtils]: 19: Hoare triple {638#false} havoc #t~ret0; {638#false} is VALID [2020-07-11 00:49:16,528 INFO L280 TraceCheckUtils]: 20: Hoare triple {638#false} assume true; {638#false} is VALID [2020-07-11 00:49:16,529 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {638#false} {641#(<= 6 main_~x~0)} #63#return; {638#false} is VALID [2020-07-11 00:49:16,530 INFO L263 TraceCheckUtils]: 0: Hoare triple {637#true} call ULTIMATE.init(); {637#true} is VALID [2020-07-11 00:49:16,530 INFO L280 TraceCheckUtils]: 1: Hoare triple {637#true} assume true; {637#true} is VALID [2020-07-11 00:49:16,530 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {637#true} {637#true} #59#return; {637#true} is VALID [2020-07-11 00:49:16,531 INFO L263 TraceCheckUtils]: 3: Hoare triple {637#true} call #t~ret5 := main(); {637#true} is VALID [2020-07-11 00:49:16,532 INFO L280 TraceCheckUtils]: 4: Hoare triple {637#true} ~x~0 := 6; {641#(<= 6 main_~x~0)} is VALID [2020-07-11 00:49:16,532 INFO L263 TraceCheckUtils]: 5: Hoare triple {641#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {637#true} is VALID [2020-07-11 00:49:16,532 INFO L280 TraceCheckUtils]: 6: Hoare triple {637#true} ~n := #in~n; {637#true} is VALID [2020-07-11 00:49:16,533 INFO L280 TraceCheckUtils]: 7: Hoare triple {637#true} assume !(~n < 1); {664#(< 0 fibo1_~n)} is VALID [2020-07-11 00:49:16,534 INFO L280 TraceCheckUtils]: 8: Hoare triple {664#(< 0 fibo1_~n)} assume !(1 == ~n); {665#(< 1 fibo1_~n)} is VALID [2020-07-11 00:49:16,535 INFO L263 TraceCheckUtils]: 9: Hoare triple {665#(< 1 fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {637#true} is VALID [2020-07-11 00:49:16,535 INFO L280 TraceCheckUtils]: 10: Hoare triple {637#true} ~n := #in~n; {676#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:16,536 INFO L280 TraceCheckUtils]: 11: Hoare triple {676#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:49:16,537 INFO L280 TraceCheckUtils]: 12: Hoare triple {677#(<= |fibo2_#in~n| 0)} #res := 0; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:49:16,538 INFO L280 TraceCheckUtils]: 13: Hoare triple {677#(<= |fibo2_#in~n| 0)} assume true; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:49:16,539 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {677#(<= |fibo2_#in~n| 0)} {665#(< 1 fibo1_~n)} #69#return; {638#false} is VALID [2020-07-11 00:49:16,540 INFO L280 TraceCheckUtils]: 15: Hoare triple {638#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {638#false} is VALID [2020-07-11 00:49:16,540 INFO L263 TraceCheckUtils]: 16: Hoare triple {638#false} call #t~ret1 := fibo2(~n - 2); {637#true} is VALID [2020-07-11 00:49:16,540 INFO L280 TraceCheckUtils]: 17: Hoare triple {637#true} ~n := #in~n; {637#true} is VALID [2020-07-11 00:49:16,541 INFO L280 TraceCheckUtils]: 18: Hoare triple {637#true} assume ~n < 1; {637#true} is VALID [2020-07-11 00:49:16,541 INFO L280 TraceCheckUtils]: 19: Hoare triple {637#true} #res := 0; {637#true} is VALID [2020-07-11 00:49:16,541 INFO L280 TraceCheckUtils]: 20: Hoare triple {637#true} assume true; {637#true} is VALID [2020-07-11 00:49:16,542 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {637#true} {638#false} #71#return; {638#false} is VALID [2020-07-11 00:49:16,542 INFO L280 TraceCheckUtils]: 22: Hoare triple {638#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {638#false} is VALID [2020-07-11 00:49:16,542 INFO L280 TraceCheckUtils]: 23: Hoare triple {638#false} #res := #t~ret0 + #t~ret1; {638#false} is VALID [2020-07-11 00:49:16,542 INFO L280 TraceCheckUtils]: 24: Hoare triple {638#false} havoc #t~ret1; {638#false} is VALID [2020-07-11 00:49:16,543 INFO L280 TraceCheckUtils]: 25: Hoare triple {638#false} havoc #t~ret0; {638#false} is VALID [2020-07-11 00:49:16,543 INFO L280 TraceCheckUtils]: 26: Hoare triple {638#false} assume true; {638#false} is VALID [2020-07-11 00:49:16,544 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {638#false} {641#(<= 6 main_~x~0)} #63#return; {638#false} is VALID [2020-07-11 00:49:16,544 INFO L280 TraceCheckUtils]: 28: Hoare triple {638#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {638#false} is VALID [2020-07-11 00:49:16,544 INFO L280 TraceCheckUtils]: 29: Hoare triple {638#false} ~result~0 := #t~ret4; {638#false} is VALID [2020-07-11 00:49:16,545 INFO L280 TraceCheckUtils]: 30: Hoare triple {638#false} havoc #t~ret4; {638#false} is VALID [2020-07-11 00:49:16,545 INFO L280 TraceCheckUtils]: 31: Hoare triple {638#false} assume 8 == ~result~0; {638#false} is VALID [2020-07-11 00:49:16,545 INFO L280 TraceCheckUtils]: 32: Hoare triple {638#false} assume !false; {638#false} is VALID [2020-07-11 00:49:16,548 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-11 00:49:16,549 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1228329575] [2020-07-11 00:49:16,549 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 00:49:16,549 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-07-11 00:49:16,549 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61655311] [2020-07-11 00:49:16,550 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-07-11 00:49:16,551 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:49:16,551 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-11 00:49:16,590 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:49:16,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-11 00:49:16,591 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:49:16,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-11 00:49:16,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-11 00:49:16,592 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand 7 states. [2020-07-11 00:49:16,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:49:16,954 INFO L93 Difference]: Finished difference Result 82 states and 102 transitions. [2020-07-11 00:49:16,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-11 00:49:16,954 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-07-11 00:49:16,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:49:16,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-11 00:49:16,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 99 transitions. [2020-07-11 00:49:16,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-11 00:49:16,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 99 transitions. [2020-07-11 00:49:16,970 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 99 transitions. [2020-07-11 00:49:17,082 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 99 edges. 99 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:49:17,089 INFO L225 Difference]: With dead ends: 82 [2020-07-11 00:49:17,089 INFO L226 Difference]: Without dead ends: 46 [2020-07-11 00:49:17,091 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-11 00:49:17,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-07-11 00:49:17,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2020-07-11 00:49:17,168 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:49:17,168 INFO L82 GeneralOperation]: Start isEquivalent. First operand 46 states. Second operand 44 states. [2020-07-11 00:49:17,169 INFO L74 IsIncluded]: Start isIncluded. First operand 46 states. Second operand 44 states. [2020-07-11 00:49:17,169 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 44 states. [2020-07-11 00:49:17,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:49:17,177 INFO L93 Difference]: Finished difference Result 46 states and 54 transitions. [2020-07-11 00:49:17,178 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2020-07-11 00:49:17,179 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:49:17,179 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:49:17,179 INFO L74 IsIncluded]: Start isIncluded. First operand 44 states. Second operand 46 states. [2020-07-11 00:49:17,180 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 46 states. [2020-07-11 00:49:17,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:49:17,187 INFO L93 Difference]: Finished difference Result 46 states and 54 transitions. [2020-07-11 00:49:17,188 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2020-07-11 00:49:17,188 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:49:17,188 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:49:17,189 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:49:17,189 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:49:17,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-07-11 00:49:17,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2020-07-11 00:49:17,195 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 51 transitions. Word has length 33 [2020-07-11 00:49:17,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:49:17,196 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 51 transitions. [2020-07-11 00:49:17,196 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-11 00:49:17,196 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 44 states and 51 transitions. [2020-07-11 00:49:17,260 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:49:17,260 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2020-07-11 00:49:17,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-11 00:49:17,262 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:49:17,263 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 00:49:17,263 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-11 00:49:17,264 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:49:17,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:49:17,264 INFO L82 PathProgramCache]: Analyzing trace with hash 887160861, now seen corresponding path program 1 times [2020-07-11 00:49:17,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:49:17,265 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2131416657] [2020-07-11 00:49:17,265 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:49:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:17,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:17,329 INFO L280 TraceCheckUtils]: 0: Hoare triple {1026#true} assume true; {1026#true} is VALID [2020-07-11 00:49:17,329 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1026#true} {1026#true} #59#return; {1026#true} is VALID [2020-07-11 00:49:17,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:17,412 INFO L280 TraceCheckUtils]: 0: Hoare triple {1026#true} ~n := #in~n; {1067#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:17,413 INFO L280 TraceCheckUtils]: 1: Hoare triple {1067#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {1067#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:17,414 INFO L280 TraceCheckUtils]: 2: Hoare triple {1067#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:49:17,415 INFO L280 TraceCheckUtils]: 3: Hoare triple {1068#(<= |fibo2_#in~n| 1)} #res := 1; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:49:17,416 INFO L280 TraceCheckUtils]: 4: Hoare triple {1068#(<= |fibo2_#in~n| 1)} assume true; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:49:17,418 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1068#(<= |fibo2_#in~n| 1)} {1054#(= fibo1_~n |fibo1_#in~n|)} #69#return; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:17,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:17,427 INFO L280 TraceCheckUtils]: 0: Hoare triple {1026#true} ~n := #in~n; {1026#true} is VALID [2020-07-11 00:49:17,427 INFO L280 TraceCheckUtils]: 1: Hoare triple {1026#true} assume ~n < 1; {1026#true} is VALID [2020-07-11 00:49:17,428 INFO L280 TraceCheckUtils]: 2: Hoare triple {1026#true} #res := 0; {1026#true} is VALID [2020-07-11 00:49:17,428 INFO L280 TraceCheckUtils]: 3: Hoare triple {1026#true} assume true; {1026#true} is VALID [2020-07-11 00:49:17,429 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1026#true} {1061#(<= |fibo1_#in~n| 2)} #71#return; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:17,431 INFO L280 TraceCheckUtils]: 0: Hoare triple {1026#true} ~n := #in~n; {1054#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:17,433 INFO L280 TraceCheckUtils]: 1: Hoare triple {1054#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {1054#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:17,434 INFO L280 TraceCheckUtils]: 2: Hoare triple {1054#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {1054#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:17,435 INFO L263 TraceCheckUtils]: 3: Hoare triple {1054#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {1026#true} is VALID [2020-07-11 00:49:17,435 INFO L280 TraceCheckUtils]: 4: Hoare triple {1026#true} ~n := #in~n; {1067#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:17,436 INFO L280 TraceCheckUtils]: 5: Hoare triple {1067#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {1067#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:17,437 INFO L280 TraceCheckUtils]: 6: Hoare triple {1067#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:49:17,437 INFO L280 TraceCheckUtils]: 7: Hoare triple {1068#(<= |fibo2_#in~n| 1)} #res := 1; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:49:17,438 INFO L280 TraceCheckUtils]: 8: Hoare triple {1068#(<= |fibo2_#in~n| 1)} assume true; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:49:17,439 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {1068#(<= |fibo2_#in~n| 1)} {1054#(= fibo1_~n |fibo1_#in~n|)} #69#return; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:17,440 INFO L280 TraceCheckUtils]: 10: Hoare triple {1061#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:17,440 INFO L263 TraceCheckUtils]: 11: Hoare triple {1061#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {1026#true} is VALID [2020-07-11 00:49:17,441 INFO L280 TraceCheckUtils]: 12: Hoare triple {1026#true} ~n := #in~n; {1026#true} is VALID [2020-07-11 00:49:17,441 INFO L280 TraceCheckUtils]: 13: Hoare triple {1026#true} assume ~n < 1; {1026#true} is VALID [2020-07-11 00:49:17,441 INFO L280 TraceCheckUtils]: 14: Hoare triple {1026#true} #res := 0; {1026#true} is VALID [2020-07-11 00:49:17,441 INFO L280 TraceCheckUtils]: 15: Hoare triple {1026#true} assume true; {1026#true} is VALID [2020-07-11 00:49:17,443 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {1026#true} {1061#(<= |fibo1_#in~n| 2)} #71#return; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:17,443 INFO L280 TraceCheckUtils]: 17: Hoare triple {1061#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:17,444 INFO L280 TraceCheckUtils]: 18: Hoare triple {1061#(<= |fibo1_#in~n| 2)} #res := #t~ret0 + #t~ret1; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:17,444 INFO L280 TraceCheckUtils]: 19: Hoare triple {1061#(<= |fibo1_#in~n| 2)} havoc #t~ret1; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:17,445 INFO L280 TraceCheckUtils]: 20: Hoare triple {1061#(<= |fibo1_#in~n| 2)} havoc #t~ret0; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:17,446 INFO L280 TraceCheckUtils]: 21: Hoare triple {1061#(<= |fibo1_#in~n| 2)} assume true; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:17,447 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {1061#(<= |fibo1_#in~n| 2)} {1030#(<= 6 main_~x~0)} #63#return; {1027#false} is VALID [2020-07-11 00:49:17,448 INFO L263 TraceCheckUtils]: 0: Hoare triple {1026#true} call ULTIMATE.init(); {1026#true} is VALID [2020-07-11 00:49:17,449 INFO L280 TraceCheckUtils]: 1: Hoare triple {1026#true} assume true; {1026#true} is VALID [2020-07-11 00:49:17,449 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1026#true} {1026#true} #59#return; {1026#true} is VALID [2020-07-11 00:49:17,449 INFO L263 TraceCheckUtils]: 3: Hoare triple {1026#true} call #t~ret5 := main(); {1026#true} is VALID [2020-07-11 00:49:17,450 INFO L280 TraceCheckUtils]: 4: Hoare triple {1026#true} ~x~0 := 6; {1030#(<= 6 main_~x~0)} is VALID [2020-07-11 00:49:17,450 INFO L263 TraceCheckUtils]: 5: Hoare triple {1030#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {1026#true} is VALID [2020-07-11 00:49:17,451 INFO L280 TraceCheckUtils]: 6: Hoare triple {1026#true} ~n := #in~n; {1054#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:17,451 INFO L280 TraceCheckUtils]: 7: Hoare triple {1054#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {1054#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:17,452 INFO L280 TraceCheckUtils]: 8: Hoare triple {1054#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {1054#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:17,452 INFO L263 TraceCheckUtils]: 9: Hoare triple {1054#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {1026#true} is VALID [2020-07-11 00:49:17,453 INFO L280 TraceCheckUtils]: 10: Hoare triple {1026#true} ~n := #in~n; {1067#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:17,453 INFO L280 TraceCheckUtils]: 11: Hoare triple {1067#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {1067#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:17,454 INFO L280 TraceCheckUtils]: 12: Hoare triple {1067#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:49:17,455 INFO L280 TraceCheckUtils]: 13: Hoare triple {1068#(<= |fibo2_#in~n| 1)} #res := 1; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:49:17,455 INFO L280 TraceCheckUtils]: 14: Hoare triple {1068#(<= |fibo2_#in~n| 1)} assume true; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:49:17,457 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {1068#(<= |fibo2_#in~n| 1)} {1054#(= fibo1_~n |fibo1_#in~n|)} #69#return; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:17,457 INFO L280 TraceCheckUtils]: 16: Hoare triple {1061#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:17,458 INFO L263 TraceCheckUtils]: 17: Hoare triple {1061#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {1026#true} is VALID [2020-07-11 00:49:17,458 INFO L280 TraceCheckUtils]: 18: Hoare triple {1026#true} ~n := #in~n; {1026#true} is VALID [2020-07-11 00:49:17,458 INFO L280 TraceCheckUtils]: 19: Hoare triple {1026#true} assume ~n < 1; {1026#true} is VALID [2020-07-11 00:49:17,458 INFO L280 TraceCheckUtils]: 20: Hoare triple {1026#true} #res := 0; {1026#true} is VALID [2020-07-11 00:49:17,459 INFO L280 TraceCheckUtils]: 21: Hoare triple {1026#true} assume true; {1026#true} is VALID [2020-07-11 00:49:17,460 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {1026#true} {1061#(<= |fibo1_#in~n| 2)} #71#return; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:17,460 INFO L280 TraceCheckUtils]: 23: Hoare triple {1061#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:17,461 INFO L280 TraceCheckUtils]: 24: Hoare triple {1061#(<= |fibo1_#in~n| 2)} #res := #t~ret0 + #t~ret1; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:17,461 INFO L280 TraceCheckUtils]: 25: Hoare triple {1061#(<= |fibo1_#in~n| 2)} havoc #t~ret1; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:17,462 INFO L280 TraceCheckUtils]: 26: Hoare triple {1061#(<= |fibo1_#in~n| 2)} havoc #t~ret0; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:17,462 INFO L280 TraceCheckUtils]: 27: Hoare triple {1061#(<= |fibo1_#in~n| 2)} assume true; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:17,464 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {1061#(<= |fibo1_#in~n| 2)} {1030#(<= 6 main_~x~0)} #63#return; {1027#false} is VALID [2020-07-11 00:49:17,464 INFO L280 TraceCheckUtils]: 29: Hoare triple {1027#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {1027#false} is VALID [2020-07-11 00:49:17,464 INFO L280 TraceCheckUtils]: 30: Hoare triple {1027#false} ~result~0 := #t~ret4; {1027#false} is VALID [2020-07-11 00:49:17,464 INFO L280 TraceCheckUtils]: 31: Hoare triple {1027#false} havoc #t~ret4; {1027#false} is VALID [2020-07-11 00:49:17,465 INFO L280 TraceCheckUtils]: 32: Hoare triple {1027#false} assume 8 == ~result~0; {1027#false} is VALID [2020-07-11 00:49:17,465 INFO L280 TraceCheckUtils]: 33: Hoare triple {1027#false} assume !false; {1027#false} is VALID [2020-07-11 00:49:17,466 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-11 00:49:17,467 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2131416657] [2020-07-11 00:49:17,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 00:49:17,467 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-07-11 00:49:17,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405171157] [2020-07-11 00:49:17,468 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2020-07-11 00:49:17,469 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:49:17,469 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-11 00:49:17,508 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:49:17,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-11 00:49:17,509 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:49:17,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-11 00:49:17,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-11 00:49:17,510 INFO L87 Difference]: Start difference. First operand 44 states and 51 transitions. Second operand 7 states. [2020-07-11 00:49:18,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:49:18,162 INFO L93 Difference]: Finished difference Result 74 states and 94 transitions. [2020-07-11 00:49:18,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-11 00:49:18,162 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2020-07-11 00:49:18,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:49:18,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-11 00:49:18,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 86 transitions. [2020-07-11 00:49:18,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-11 00:49:18,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 86 transitions. [2020-07-11 00:49:18,170 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 86 transitions. [2020-07-11 00:49:18,296 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 86 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:49:18,302 INFO L225 Difference]: With dead ends: 74 [2020-07-11 00:49:18,305 INFO L226 Difference]: Without dead ends: 68 [2020-07-11 00:49:18,306 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-07-11 00:49:18,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-07-11 00:49:18,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2020-07-11 00:49:18,414 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:49:18,414 INFO L82 GeneralOperation]: Start isEquivalent. First operand 68 states. Second operand 66 states. [2020-07-11 00:49:18,414 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand 66 states. [2020-07-11 00:49:18,415 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 66 states. [2020-07-11 00:49:18,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:49:18,421 INFO L93 Difference]: Finished difference Result 68 states and 88 transitions. [2020-07-11 00:49:18,421 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2020-07-11 00:49:18,422 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:49:18,422 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:49:18,422 INFO L74 IsIncluded]: Start isIncluded. First operand 66 states. Second operand 68 states. [2020-07-11 00:49:18,422 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 68 states. [2020-07-11 00:49:18,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:49:18,427 INFO L93 Difference]: Finished difference Result 68 states and 88 transitions. [2020-07-11 00:49:18,428 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2020-07-11 00:49:18,429 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:49:18,429 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:49:18,429 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:49:18,429 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:49:18,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-07-11 00:49:18,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 83 transitions. [2020-07-11 00:49:18,434 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 83 transitions. Word has length 34 [2020-07-11 00:49:18,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:49:18,434 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 83 transitions. [2020-07-11 00:49:18,435 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-11 00:49:18,435 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 66 states and 83 transitions. [2020-07-11 00:49:18,563 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:49:18,563 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2020-07-11 00:49:18,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-07-11 00:49:18,565 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:49:18,565 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 00:49:18,566 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-11 00:49:18,566 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:49:18,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:49:18,566 INFO L82 PathProgramCache]: Analyzing trace with hash 1875452576, now seen corresponding path program 1 times [2020-07-11 00:49:18,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:49:18,567 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [619826107] [2020-07-11 00:49:18,567 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:49:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:18,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:18,626 INFO L280 TraceCheckUtils]: 0: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-11 00:49:18,626 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1492#true} {1492#true} #59#return; {1492#true} is VALID [2020-07-11 00:49:18,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:18,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:18,706 INFO L280 TraceCheckUtils]: 0: Hoare triple {1492#true} ~n := #in~n; {1574#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:18,707 INFO L280 TraceCheckUtils]: 1: Hoare triple {1574#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:49:18,708 INFO L280 TraceCheckUtils]: 2: Hoare triple {1575#(<= |fibo1_#in~n| 0)} #res := 0; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:49:18,709 INFO L280 TraceCheckUtils]: 3: Hoare triple {1575#(<= |fibo1_#in~n| 0)} assume true; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:49:18,710 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1575#(<= |fibo1_#in~n| 0)} {1563#(< 1 fibo2_~n)} #65#return; {1493#false} is VALID [2020-07-11 00:49:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:18,715 INFO L280 TraceCheckUtils]: 0: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-11 00:49:18,716 INFO L280 TraceCheckUtils]: 1: Hoare triple {1492#true} assume ~n < 1; {1492#true} is VALID [2020-07-11 00:49:18,716 INFO L280 TraceCheckUtils]: 2: Hoare triple {1492#true} #res := 0; {1492#true} is VALID [2020-07-11 00:49:18,716 INFO L280 TraceCheckUtils]: 3: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-11 00:49:18,716 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1492#true} {1493#false} #67#return; {1493#false} is VALID [2020-07-11 00:49:18,717 INFO L280 TraceCheckUtils]: 0: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-11 00:49:18,718 INFO L280 TraceCheckUtils]: 1: Hoare triple {1492#true} assume !(~n < 1); {1562#(< 0 fibo2_~n)} is VALID [2020-07-11 00:49:18,718 INFO L280 TraceCheckUtils]: 2: Hoare triple {1562#(< 0 fibo2_~n)} assume !(1 == ~n); {1563#(< 1 fibo2_~n)} is VALID [2020-07-11 00:49:18,719 INFO L263 TraceCheckUtils]: 3: Hoare triple {1563#(< 1 fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {1492#true} is VALID [2020-07-11 00:49:18,719 INFO L280 TraceCheckUtils]: 4: Hoare triple {1492#true} ~n := #in~n; {1574#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:18,720 INFO L280 TraceCheckUtils]: 5: Hoare triple {1574#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:49:18,721 INFO L280 TraceCheckUtils]: 6: Hoare triple {1575#(<= |fibo1_#in~n| 0)} #res := 0; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:49:18,721 INFO L280 TraceCheckUtils]: 7: Hoare triple {1575#(<= |fibo1_#in~n| 0)} assume true; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:49:18,722 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1575#(<= |fibo1_#in~n| 0)} {1563#(< 1 fibo2_~n)} #65#return; {1493#false} is VALID [2020-07-11 00:49:18,723 INFO L280 TraceCheckUtils]: 9: Hoare triple {1493#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1493#false} is VALID [2020-07-11 00:49:18,723 INFO L263 TraceCheckUtils]: 10: Hoare triple {1493#false} call #t~ret3 := fibo1(~n - 2); {1492#true} is VALID [2020-07-11 00:49:18,723 INFO L280 TraceCheckUtils]: 11: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-11 00:49:18,724 INFO L280 TraceCheckUtils]: 12: Hoare triple {1492#true} assume ~n < 1; {1492#true} is VALID [2020-07-11 00:49:18,724 INFO L280 TraceCheckUtils]: 13: Hoare triple {1492#true} #res := 0; {1492#true} is VALID [2020-07-11 00:49:18,724 INFO L280 TraceCheckUtils]: 14: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-11 00:49:18,724 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {1492#true} {1493#false} #67#return; {1493#false} is VALID [2020-07-11 00:49:18,725 INFO L280 TraceCheckUtils]: 16: Hoare triple {1493#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {1493#false} is VALID [2020-07-11 00:49:18,725 INFO L280 TraceCheckUtils]: 17: Hoare triple {1493#false} #res := #t~ret2 + #t~ret3; {1493#false} is VALID [2020-07-11 00:49:18,725 INFO L280 TraceCheckUtils]: 18: Hoare triple {1493#false} havoc #t~ret2; {1493#false} is VALID [2020-07-11 00:49:18,726 INFO L280 TraceCheckUtils]: 19: Hoare triple {1493#false} havoc #t~ret3; {1493#false} is VALID [2020-07-11 00:49:18,726 INFO L280 TraceCheckUtils]: 20: Hoare triple {1493#false} assume true; {1493#false} is VALID [2020-07-11 00:49:18,726 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {1493#false} {1492#true} #69#return; {1493#false} is VALID [2020-07-11 00:49:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:18,732 INFO L280 TraceCheckUtils]: 0: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-11 00:49:18,732 INFO L280 TraceCheckUtils]: 1: Hoare triple {1492#true} assume ~n < 1; {1492#true} is VALID [2020-07-11 00:49:18,732 INFO L280 TraceCheckUtils]: 2: Hoare triple {1492#true} #res := 0; {1492#true} is VALID [2020-07-11 00:49:18,733 INFO L280 TraceCheckUtils]: 3: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-11 00:49:18,733 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1492#true} {1493#false} #71#return; {1493#false} is VALID [2020-07-11 00:49:18,733 INFO L280 TraceCheckUtils]: 0: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-11 00:49:18,734 INFO L280 TraceCheckUtils]: 1: Hoare triple {1492#true} assume !(~n < 1); {1492#true} is VALID [2020-07-11 00:49:18,734 INFO L280 TraceCheckUtils]: 2: Hoare triple {1492#true} assume !(1 == ~n); {1492#true} is VALID [2020-07-11 00:49:18,734 INFO L263 TraceCheckUtils]: 3: Hoare triple {1492#true} call #t~ret0 := fibo2(~n - 1); {1492#true} is VALID [2020-07-11 00:49:18,735 INFO L280 TraceCheckUtils]: 4: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-11 00:49:18,735 INFO L280 TraceCheckUtils]: 5: Hoare triple {1492#true} assume !(~n < 1); {1562#(< 0 fibo2_~n)} is VALID [2020-07-11 00:49:18,736 INFO L280 TraceCheckUtils]: 6: Hoare triple {1562#(< 0 fibo2_~n)} assume !(1 == ~n); {1563#(< 1 fibo2_~n)} is VALID [2020-07-11 00:49:18,737 INFO L263 TraceCheckUtils]: 7: Hoare triple {1563#(< 1 fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {1492#true} is VALID [2020-07-11 00:49:18,737 INFO L280 TraceCheckUtils]: 8: Hoare triple {1492#true} ~n := #in~n; {1574#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:18,738 INFO L280 TraceCheckUtils]: 9: Hoare triple {1574#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:49:18,739 INFO L280 TraceCheckUtils]: 10: Hoare triple {1575#(<= |fibo1_#in~n| 0)} #res := 0; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:49:18,739 INFO L280 TraceCheckUtils]: 11: Hoare triple {1575#(<= |fibo1_#in~n| 0)} assume true; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:49:18,740 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {1575#(<= |fibo1_#in~n| 0)} {1563#(< 1 fibo2_~n)} #65#return; {1493#false} is VALID [2020-07-11 00:49:18,741 INFO L280 TraceCheckUtils]: 13: Hoare triple {1493#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1493#false} is VALID [2020-07-11 00:49:18,741 INFO L263 TraceCheckUtils]: 14: Hoare triple {1493#false} call #t~ret3 := fibo1(~n - 2); {1492#true} is VALID [2020-07-11 00:49:18,741 INFO L280 TraceCheckUtils]: 15: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-11 00:49:18,742 INFO L280 TraceCheckUtils]: 16: Hoare triple {1492#true} assume ~n < 1; {1492#true} is VALID [2020-07-11 00:49:18,742 INFO L280 TraceCheckUtils]: 17: Hoare triple {1492#true} #res := 0; {1492#true} is VALID [2020-07-11 00:49:18,742 INFO L280 TraceCheckUtils]: 18: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-11 00:49:18,742 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {1492#true} {1493#false} #67#return; {1493#false} is VALID [2020-07-11 00:49:18,743 INFO L280 TraceCheckUtils]: 20: Hoare triple {1493#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {1493#false} is VALID [2020-07-11 00:49:18,743 INFO L280 TraceCheckUtils]: 21: Hoare triple {1493#false} #res := #t~ret2 + #t~ret3; {1493#false} is VALID [2020-07-11 00:49:18,743 INFO L280 TraceCheckUtils]: 22: Hoare triple {1493#false} havoc #t~ret2; {1493#false} is VALID [2020-07-11 00:49:18,743 INFO L280 TraceCheckUtils]: 23: Hoare triple {1493#false} havoc #t~ret3; {1493#false} is VALID [2020-07-11 00:49:18,744 INFO L280 TraceCheckUtils]: 24: Hoare triple {1493#false} assume true; {1493#false} is VALID [2020-07-11 00:49:18,744 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {1493#false} {1492#true} #69#return; {1493#false} is VALID [2020-07-11 00:49:18,744 INFO L280 TraceCheckUtils]: 26: Hoare triple {1493#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1493#false} is VALID [2020-07-11 00:49:18,744 INFO L263 TraceCheckUtils]: 27: Hoare triple {1493#false} call #t~ret1 := fibo2(~n - 2); {1492#true} is VALID [2020-07-11 00:49:18,745 INFO L280 TraceCheckUtils]: 28: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-11 00:49:18,745 INFO L280 TraceCheckUtils]: 29: Hoare triple {1492#true} assume ~n < 1; {1492#true} is VALID [2020-07-11 00:49:18,745 INFO L280 TraceCheckUtils]: 30: Hoare triple {1492#true} #res := 0; {1492#true} is VALID [2020-07-11 00:49:18,745 INFO L280 TraceCheckUtils]: 31: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-11 00:49:18,746 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {1492#true} {1493#false} #71#return; {1493#false} is VALID [2020-07-11 00:49:18,746 INFO L280 TraceCheckUtils]: 33: Hoare triple {1493#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1493#false} is VALID [2020-07-11 00:49:18,746 INFO L280 TraceCheckUtils]: 34: Hoare triple {1493#false} #res := #t~ret0 + #t~ret1; {1493#false} is VALID [2020-07-11 00:49:18,746 INFO L280 TraceCheckUtils]: 35: Hoare triple {1493#false} havoc #t~ret1; {1493#false} is VALID [2020-07-11 00:49:18,747 INFO L280 TraceCheckUtils]: 36: Hoare triple {1493#false} havoc #t~ret0; {1493#false} is VALID [2020-07-11 00:49:18,747 INFO L280 TraceCheckUtils]: 37: Hoare triple {1493#false} assume true; {1493#false} is VALID [2020-07-11 00:49:18,747 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {1493#false} {1492#true} #63#return; {1493#false} is VALID [2020-07-11 00:49:18,749 INFO L263 TraceCheckUtils]: 0: Hoare triple {1492#true} call ULTIMATE.init(); {1492#true} is VALID [2020-07-11 00:49:18,749 INFO L280 TraceCheckUtils]: 1: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-11 00:49:18,749 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1492#true} {1492#true} #59#return; {1492#true} is VALID [2020-07-11 00:49:18,750 INFO L263 TraceCheckUtils]: 3: Hoare triple {1492#true} call #t~ret5 := main(); {1492#true} is VALID [2020-07-11 00:49:18,750 INFO L280 TraceCheckUtils]: 4: Hoare triple {1492#true} ~x~0 := 6; {1492#true} is VALID [2020-07-11 00:49:18,750 INFO L263 TraceCheckUtils]: 5: Hoare triple {1492#true} call #t~ret4 := fibo1(~x~0); {1492#true} is VALID [2020-07-11 00:49:18,750 INFO L280 TraceCheckUtils]: 6: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-11 00:49:18,751 INFO L280 TraceCheckUtils]: 7: Hoare triple {1492#true} assume !(~n < 1); {1492#true} is VALID [2020-07-11 00:49:18,751 INFO L280 TraceCheckUtils]: 8: Hoare triple {1492#true} assume !(1 == ~n); {1492#true} is VALID [2020-07-11 00:49:18,751 INFO L263 TraceCheckUtils]: 9: Hoare triple {1492#true} call #t~ret0 := fibo2(~n - 1); {1492#true} is VALID [2020-07-11 00:49:18,751 INFO L280 TraceCheckUtils]: 10: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-11 00:49:18,752 INFO L280 TraceCheckUtils]: 11: Hoare triple {1492#true} assume !(~n < 1); {1562#(< 0 fibo2_~n)} is VALID [2020-07-11 00:49:18,753 INFO L280 TraceCheckUtils]: 12: Hoare triple {1562#(< 0 fibo2_~n)} assume !(1 == ~n); {1563#(< 1 fibo2_~n)} is VALID [2020-07-11 00:49:18,753 INFO L263 TraceCheckUtils]: 13: Hoare triple {1563#(< 1 fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {1492#true} is VALID [2020-07-11 00:49:18,754 INFO L280 TraceCheckUtils]: 14: Hoare triple {1492#true} ~n := #in~n; {1574#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:18,755 INFO L280 TraceCheckUtils]: 15: Hoare triple {1574#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:49:18,755 INFO L280 TraceCheckUtils]: 16: Hoare triple {1575#(<= |fibo1_#in~n| 0)} #res := 0; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:49:18,756 INFO L280 TraceCheckUtils]: 17: Hoare triple {1575#(<= |fibo1_#in~n| 0)} assume true; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:49:18,757 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {1575#(<= |fibo1_#in~n| 0)} {1563#(< 1 fibo2_~n)} #65#return; {1493#false} is VALID [2020-07-11 00:49:18,758 INFO L280 TraceCheckUtils]: 19: Hoare triple {1493#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1493#false} is VALID [2020-07-11 00:49:18,758 INFO L263 TraceCheckUtils]: 20: Hoare triple {1493#false} call #t~ret3 := fibo1(~n - 2); {1492#true} is VALID [2020-07-11 00:49:18,758 INFO L280 TraceCheckUtils]: 21: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-11 00:49:18,759 INFO L280 TraceCheckUtils]: 22: Hoare triple {1492#true} assume ~n < 1; {1492#true} is VALID [2020-07-11 00:49:18,759 INFO L280 TraceCheckUtils]: 23: Hoare triple {1492#true} #res := 0; {1492#true} is VALID [2020-07-11 00:49:18,759 INFO L280 TraceCheckUtils]: 24: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-11 00:49:18,759 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {1492#true} {1493#false} #67#return; {1493#false} is VALID [2020-07-11 00:49:18,760 INFO L280 TraceCheckUtils]: 26: Hoare triple {1493#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {1493#false} is VALID [2020-07-11 00:49:18,760 INFO L280 TraceCheckUtils]: 27: Hoare triple {1493#false} #res := #t~ret2 + #t~ret3; {1493#false} is VALID [2020-07-11 00:49:18,760 INFO L280 TraceCheckUtils]: 28: Hoare triple {1493#false} havoc #t~ret2; {1493#false} is VALID [2020-07-11 00:49:18,760 INFO L280 TraceCheckUtils]: 29: Hoare triple {1493#false} havoc #t~ret3; {1493#false} is VALID [2020-07-11 00:49:18,761 INFO L280 TraceCheckUtils]: 30: Hoare triple {1493#false} assume true; {1493#false} is VALID [2020-07-11 00:49:18,761 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {1493#false} {1492#true} #69#return; {1493#false} is VALID [2020-07-11 00:49:18,761 INFO L280 TraceCheckUtils]: 32: Hoare triple {1493#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1493#false} is VALID [2020-07-11 00:49:18,761 INFO L263 TraceCheckUtils]: 33: Hoare triple {1493#false} call #t~ret1 := fibo2(~n - 2); {1492#true} is VALID [2020-07-11 00:49:18,762 INFO L280 TraceCheckUtils]: 34: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-11 00:49:18,762 INFO L280 TraceCheckUtils]: 35: Hoare triple {1492#true} assume ~n < 1; {1492#true} is VALID [2020-07-11 00:49:18,762 INFO L280 TraceCheckUtils]: 36: Hoare triple {1492#true} #res := 0; {1492#true} is VALID [2020-07-11 00:49:18,762 INFO L280 TraceCheckUtils]: 37: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-11 00:49:18,762 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {1492#true} {1493#false} #71#return; {1493#false} is VALID [2020-07-11 00:49:18,763 INFO L280 TraceCheckUtils]: 39: Hoare triple {1493#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1493#false} is VALID [2020-07-11 00:49:18,763 INFO L280 TraceCheckUtils]: 40: Hoare triple {1493#false} #res := #t~ret0 + #t~ret1; {1493#false} is VALID [2020-07-11 00:49:18,763 INFO L280 TraceCheckUtils]: 41: Hoare triple {1493#false} havoc #t~ret1; {1493#false} is VALID [2020-07-11 00:49:18,763 INFO L280 TraceCheckUtils]: 42: Hoare triple {1493#false} havoc #t~ret0; {1493#false} is VALID [2020-07-11 00:49:18,764 INFO L280 TraceCheckUtils]: 43: Hoare triple {1493#false} assume true; {1493#false} is VALID [2020-07-11 00:49:18,764 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {1493#false} {1492#true} #63#return; {1493#false} is VALID [2020-07-11 00:49:18,764 INFO L280 TraceCheckUtils]: 45: Hoare triple {1493#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {1493#false} is VALID [2020-07-11 00:49:18,764 INFO L280 TraceCheckUtils]: 46: Hoare triple {1493#false} ~result~0 := #t~ret4; {1493#false} is VALID [2020-07-11 00:49:18,764 INFO L280 TraceCheckUtils]: 47: Hoare triple {1493#false} havoc #t~ret4; {1493#false} is VALID [2020-07-11 00:49:18,765 INFO L280 TraceCheckUtils]: 48: Hoare triple {1493#false} assume 8 == ~result~0; {1493#false} is VALID [2020-07-11 00:49:18,765 INFO L280 TraceCheckUtils]: 49: Hoare triple {1493#false} assume !false; {1493#false} is VALID [2020-07-11 00:49:18,767 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-11 00:49:18,767 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [619826107] [2020-07-11 00:49:18,768 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 00:49:18,768 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-07-11 00:49:18,768 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770082051] [2020-07-11 00:49:18,769 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-07-11 00:49:18,769 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:49:18,769 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-11 00:49:18,820 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:49:18,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-11 00:49:18,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:49:18,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-11 00:49:18,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-11 00:49:18,822 INFO L87 Difference]: Start difference. First operand 66 states and 83 transitions. Second operand 6 states. [2020-07-11 00:49:19,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:49:19,209 INFO L93 Difference]: Finished difference Result 130 states and 178 transitions. [2020-07-11 00:49:19,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-11 00:49:19,209 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-07-11 00:49:19,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:49:19,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-11 00:49:19,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 98 transitions. [2020-07-11 00:49:19,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-11 00:49:19,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 98 transitions. [2020-07-11 00:49:19,217 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 98 transitions. [2020-07-11 00:49:19,342 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 98 edges. 98 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:49:19,347 INFO L225 Difference]: With dead ends: 130 [2020-07-11 00:49:19,347 INFO L226 Difference]: Without dead ends: 70 [2020-07-11 00:49:19,349 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-11 00:49:19,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-07-11 00:49:19,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2020-07-11 00:49:19,462 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:49:19,462 INFO L82 GeneralOperation]: Start isEquivalent. First operand 70 states. Second operand 70 states. [2020-07-11 00:49:19,462 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand 70 states. [2020-07-11 00:49:19,462 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 70 states. [2020-07-11 00:49:19,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:49:19,469 INFO L93 Difference]: Finished difference Result 70 states and 89 transitions. [2020-07-11 00:49:19,469 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2020-07-11 00:49:19,469 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:49:19,470 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:49:19,470 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand 70 states. [2020-07-11 00:49:19,470 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 70 states. [2020-07-11 00:49:19,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:49:19,485 INFO L93 Difference]: Finished difference Result 70 states and 89 transitions. [2020-07-11 00:49:19,485 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2020-07-11 00:49:19,486 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:49:19,486 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:49:19,487 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:49:19,487 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:49:19,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-07-11 00:49:19,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 89 transitions. [2020-07-11 00:49:19,494 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 89 transitions. Word has length 50 [2020-07-11 00:49:19,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:49:19,496 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 89 transitions. [2020-07-11 00:49:19,496 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-11 00:49:19,496 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 70 states and 89 transitions. [2020-07-11 00:49:19,624 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 89 edges. 89 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:49:19,624 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2020-07-11 00:49:19,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-11 00:49:19,626 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:49:19,626 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 00:49:19,626 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-11 00:49:19,627 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:49:19,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:49:19,627 INFO L82 PathProgramCache]: Analyzing trace with hash 104828256, now seen corresponding path program 1 times [2020-07-11 00:49:19,627 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:49:19,628 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1574617917] [2020-07-11 00:49:19,628 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:49:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:19,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:19,666 INFO L280 TraceCheckUtils]: 0: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-11 00:49:19,667 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2120#true} {2120#true} #59#return; {2120#true} is VALID [2020-07-11 00:49:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:19,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:19,813 INFO L280 TraceCheckUtils]: 0: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-11 00:49:19,813 INFO L280 TraceCheckUtils]: 1: Hoare triple {2120#true} assume !(~n < 1); {2120#true} is VALID [2020-07-11 00:49:19,814 INFO L280 TraceCheckUtils]: 2: Hoare triple {2120#true} assume 1 == ~n; {2120#true} is VALID [2020-07-11 00:49:19,814 INFO L280 TraceCheckUtils]: 3: Hoare triple {2120#true} #res := 1; {2120#true} is VALID [2020-07-11 00:49:19,814 INFO L280 TraceCheckUtils]: 4: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-11 00:49:19,816 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2120#true} {2196#(<= 2 |fibo2_#in~n|)} #65#return; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:19,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:19,827 INFO L280 TraceCheckUtils]: 0: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-11 00:49:19,827 INFO L280 TraceCheckUtils]: 1: Hoare triple {2120#true} assume ~n < 1; {2120#true} is VALID [2020-07-11 00:49:19,827 INFO L280 TraceCheckUtils]: 2: Hoare triple {2120#true} #res := 0; {2120#true} is VALID [2020-07-11 00:49:19,828 INFO L280 TraceCheckUtils]: 3: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-11 00:49:19,829 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2120#true} {2196#(<= 2 |fibo2_#in~n|)} #67#return; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:19,829 INFO L280 TraceCheckUtils]: 0: Hoare triple {2120#true} ~n := #in~n; {2194#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:19,830 INFO L280 TraceCheckUtils]: 1: Hoare triple {2194#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {2195#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-11 00:49:19,831 INFO L280 TraceCheckUtils]: 2: Hoare triple {2195#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:19,832 INFO L263 TraceCheckUtils]: 3: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {2120#true} is VALID [2020-07-11 00:49:19,832 INFO L280 TraceCheckUtils]: 4: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-11 00:49:19,832 INFO L280 TraceCheckUtils]: 5: Hoare triple {2120#true} assume !(~n < 1); {2120#true} is VALID [2020-07-11 00:49:19,833 INFO L280 TraceCheckUtils]: 6: Hoare triple {2120#true} assume 1 == ~n; {2120#true} is VALID [2020-07-11 00:49:19,833 INFO L280 TraceCheckUtils]: 7: Hoare triple {2120#true} #res := 1; {2120#true} is VALID [2020-07-11 00:49:19,833 INFO L280 TraceCheckUtils]: 8: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-11 00:49:19,834 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {2120#true} {2196#(<= 2 |fibo2_#in~n|)} #65#return; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:19,835 INFO L280 TraceCheckUtils]: 10: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:19,835 INFO L263 TraceCheckUtils]: 11: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {2120#true} is VALID [2020-07-11 00:49:19,835 INFO L280 TraceCheckUtils]: 12: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-11 00:49:19,836 INFO L280 TraceCheckUtils]: 13: Hoare triple {2120#true} assume ~n < 1; {2120#true} is VALID [2020-07-11 00:49:19,836 INFO L280 TraceCheckUtils]: 14: Hoare triple {2120#true} #res := 0; {2120#true} is VALID [2020-07-11 00:49:19,836 INFO L280 TraceCheckUtils]: 15: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-11 00:49:19,837 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {2120#true} {2196#(<= 2 |fibo2_#in~n|)} #67#return; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:19,838 INFO L280 TraceCheckUtils]: 17: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:19,838 INFO L280 TraceCheckUtils]: 18: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:19,839 INFO L280 TraceCheckUtils]: 19: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:19,839 INFO L280 TraceCheckUtils]: 20: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:19,840 INFO L280 TraceCheckUtils]: 21: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} assume true; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:19,841 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {2196#(<= 2 |fibo2_#in~n|)} {2120#true} #69#return; {2188#(<= 3 fibo1_~n)} is VALID [2020-07-11 00:49:19,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:19,861 INFO L280 TraceCheckUtils]: 0: Hoare triple {2120#true} ~n := #in~n; {2194#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:19,863 INFO L280 TraceCheckUtils]: 1: Hoare triple {2194#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:49:19,863 INFO L280 TraceCheckUtils]: 2: Hoare triple {2208#(<= |fibo2_#in~n| 0)} #res := 0; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:49:19,864 INFO L280 TraceCheckUtils]: 3: Hoare triple {2208#(<= |fibo2_#in~n| 0)} assume true; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:49:19,865 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2208#(<= |fibo2_#in~n| 0)} {2188#(<= 3 fibo1_~n)} #71#return; {2121#false} is VALID [2020-07-11 00:49:19,865 INFO L280 TraceCheckUtils]: 0: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-11 00:49:19,866 INFO L280 TraceCheckUtils]: 1: Hoare triple {2120#true} assume !(~n < 1); {2120#true} is VALID [2020-07-11 00:49:19,866 INFO L280 TraceCheckUtils]: 2: Hoare triple {2120#true} assume !(1 == ~n); {2120#true} is VALID [2020-07-11 00:49:19,866 INFO L263 TraceCheckUtils]: 3: Hoare triple {2120#true} call #t~ret0 := fibo2(~n - 1); {2120#true} is VALID [2020-07-11 00:49:19,867 INFO L280 TraceCheckUtils]: 4: Hoare triple {2120#true} ~n := #in~n; {2194#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:19,868 INFO L280 TraceCheckUtils]: 5: Hoare triple {2194#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {2195#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-11 00:49:19,868 INFO L280 TraceCheckUtils]: 6: Hoare triple {2195#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:19,869 INFO L263 TraceCheckUtils]: 7: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {2120#true} is VALID [2020-07-11 00:49:19,869 INFO L280 TraceCheckUtils]: 8: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-11 00:49:19,869 INFO L280 TraceCheckUtils]: 9: Hoare triple {2120#true} assume !(~n < 1); {2120#true} is VALID [2020-07-11 00:49:19,869 INFO L280 TraceCheckUtils]: 10: Hoare triple {2120#true} assume 1 == ~n; {2120#true} is VALID [2020-07-11 00:49:19,870 INFO L280 TraceCheckUtils]: 11: Hoare triple {2120#true} #res := 1; {2120#true} is VALID [2020-07-11 00:49:19,870 INFO L280 TraceCheckUtils]: 12: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-11 00:49:19,871 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {2120#true} {2196#(<= 2 |fibo2_#in~n|)} #65#return; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:19,872 INFO L280 TraceCheckUtils]: 14: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:19,872 INFO L263 TraceCheckUtils]: 15: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {2120#true} is VALID [2020-07-11 00:49:19,872 INFO L280 TraceCheckUtils]: 16: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-11 00:49:19,872 INFO L280 TraceCheckUtils]: 17: Hoare triple {2120#true} assume ~n < 1; {2120#true} is VALID [2020-07-11 00:49:19,872 INFO L280 TraceCheckUtils]: 18: Hoare triple {2120#true} #res := 0; {2120#true} is VALID [2020-07-11 00:49:19,873 INFO L280 TraceCheckUtils]: 19: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-11 00:49:19,874 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {2120#true} {2196#(<= 2 |fibo2_#in~n|)} #67#return; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:19,874 INFO L280 TraceCheckUtils]: 21: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:19,875 INFO L280 TraceCheckUtils]: 22: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:19,875 INFO L280 TraceCheckUtils]: 23: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:19,876 INFO L280 TraceCheckUtils]: 24: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:19,877 INFO L280 TraceCheckUtils]: 25: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} assume true; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:19,878 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {2196#(<= 2 |fibo2_#in~n|)} {2120#true} #69#return; {2188#(<= 3 fibo1_~n)} is VALID [2020-07-11 00:49:19,879 INFO L280 TraceCheckUtils]: 27: Hoare triple {2188#(<= 3 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2188#(<= 3 fibo1_~n)} is VALID [2020-07-11 00:49:19,879 INFO L263 TraceCheckUtils]: 28: Hoare triple {2188#(<= 3 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {2120#true} is VALID [2020-07-11 00:49:19,879 INFO L280 TraceCheckUtils]: 29: Hoare triple {2120#true} ~n := #in~n; {2194#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:19,880 INFO L280 TraceCheckUtils]: 30: Hoare triple {2194#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:49:19,881 INFO L280 TraceCheckUtils]: 31: Hoare triple {2208#(<= |fibo2_#in~n| 0)} #res := 0; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:49:19,881 INFO L280 TraceCheckUtils]: 32: Hoare triple {2208#(<= |fibo2_#in~n| 0)} assume true; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:49:19,883 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {2208#(<= |fibo2_#in~n| 0)} {2188#(<= 3 fibo1_~n)} #71#return; {2121#false} is VALID [2020-07-11 00:49:19,883 INFO L280 TraceCheckUtils]: 34: Hoare triple {2121#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2121#false} is VALID [2020-07-11 00:49:19,883 INFO L280 TraceCheckUtils]: 35: Hoare triple {2121#false} #res := #t~ret0 + #t~ret1; {2121#false} is VALID [2020-07-11 00:49:19,883 INFO L280 TraceCheckUtils]: 36: Hoare triple {2121#false} havoc #t~ret1; {2121#false} is VALID [2020-07-11 00:49:19,884 INFO L280 TraceCheckUtils]: 37: Hoare triple {2121#false} havoc #t~ret0; {2121#false} is VALID [2020-07-11 00:49:19,884 INFO L280 TraceCheckUtils]: 38: Hoare triple {2121#false} assume true; {2121#false} is VALID [2020-07-11 00:49:19,884 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {2121#false} {2124#(<= 6 main_~x~0)} #63#return; {2121#false} is VALID [2020-07-11 00:49:19,886 INFO L263 TraceCheckUtils]: 0: Hoare triple {2120#true} call ULTIMATE.init(); {2120#true} is VALID [2020-07-11 00:49:19,886 INFO L280 TraceCheckUtils]: 1: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-11 00:49:19,887 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2120#true} {2120#true} #59#return; {2120#true} is VALID [2020-07-11 00:49:19,887 INFO L263 TraceCheckUtils]: 3: Hoare triple {2120#true} call #t~ret5 := main(); {2120#true} is VALID [2020-07-11 00:49:19,888 INFO L280 TraceCheckUtils]: 4: Hoare triple {2120#true} ~x~0 := 6; {2124#(<= 6 main_~x~0)} is VALID [2020-07-11 00:49:19,888 INFO L263 TraceCheckUtils]: 5: Hoare triple {2124#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {2120#true} is VALID [2020-07-11 00:49:19,888 INFO L280 TraceCheckUtils]: 6: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-11 00:49:19,889 INFO L280 TraceCheckUtils]: 7: Hoare triple {2120#true} assume !(~n < 1); {2120#true} is VALID [2020-07-11 00:49:19,889 INFO L280 TraceCheckUtils]: 8: Hoare triple {2120#true} assume !(1 == ~n); {2120#true} is VALID [2020-07-11 00:49:19,889 INFO L263 TraceCheckUtils]: 9: Hoare triple {2120#true} call #t~ret0 := fibo2(~n - 1); {2120#true} is VALID [2020-07-11 00:49:19,890 INFO L280 TraceCheckUtils]: 10: Hoare triple {2120#true} ~n := #in~n; {2194#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:19,891 INFO L280 TraceCheckUtils]: 11: Hoare triple {2194#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {2195#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-11 00:49:19,891 INFO L280 TraceCheckUtils]: 12: Hoare triple {2195#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:19,892 INFO L263 TraceCheckUtils]: 13: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {2120#true} is VALID [2020-07-11 00:49:19,892 INFO L280 TraceCheckUtils]: 14: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-11 00:49:19,892 INFO L280 TraceCheckUtils]: 15: Hoare triple {2120#true} assume !(~n < 1); {2120#true} is VALID [2020-07-11 00:49:19,892 INFO L280 TraceCheckUtils]: 16: Hoare triple {2120#true} assume 1 == ~n; {2120#true} is VALID [2020-07-11 00:49:19,893 INFO L280 TraceCheckUtils]: 17: Hoare triple {2120#true} #res := 1; {2120#true} is VALID [2020-07-11 00:49:19,893 INFO L280 TraceCheckUtils]: 18: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-11 00:49:19,894 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {2120#true} {2196#(<= 2 |fibo2_#in~n|)} #65#return; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:19,894 INFO L280 TraceCheckUtils]: 20: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:19,895 INFO L263 TraceCheckUtils]: 21: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {2120#true} is VALID [2020-07-11 00:49:19,895 INFO L280 TraceCheckUtils]: 22: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-11 00:49:19,895 INFO L280 TraceCheckUtils]: 23: Hoare triple {2120#true} assume ~n < 1; {2120#true} is VALID [2020-07-11 00:49:19,895 INFO L280 TraceCheckUtils]: 24: Hoare triple {2120#true} #res := 0; {2120#true} is VALID [2020-07-11 00:49:19,896 INFO L280 TraceCheckUtils]: 25: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-11 00:49:19,897 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {2120#true} {2196#(<= 2 |fibo2_#in~n|)} #67#return; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:19,897 INFO L280 TraceCheckUtils]: 27: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:19,898 INFO L280 TraceCheckUtils]: 28: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:19,898 INFO L280 TraceCheckUtils]: 29: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:19,899 INFO L280 TraceCheckUtils]: 30: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:19,899 INFO L280 TraceCheckUtils]: 31: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} assume true; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:19,901 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {2196#(<= 2 |fibo2_#in~n|)} {2120#true} #69#return; {2188#(<= 3 fibo1_~n)} is VALID [2020-07-11 00:49:19,901 INFO L280 TraceCheckUtils]: 33: Hoare triple {2188#(<= 3 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2188#(<= 3 fibo1_~n)} is VALID [2020-07-11 00:49:19,901 INFO L263 TraceCheckUtils]: 34: Hoare triple {2188#(<= 3 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {2120#true} is VALID [2020-07-11 00:49:19,902 INFO L280 TraceCheckUtils]: 35: Hoare triple {2120#true} ~n := #in~n; {2194#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:19,903 INFO L280 TraceCheckUtils]: 36: Hoare triple {2194#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:49:19,903 INFO L280 TraceCheckUtils]: 37: Hoare triple {2208#(<= |fibo2_#in~n| 0)} #res := 0; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:49:19,904 INFO L280 TraceCheckUtils]: 38: Hoare triple {2208#(<= |fibo2_#in~n| 0)} assume true; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:49:19,905 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {2208#(<= |fibo2_#in~n| 0)} {2188#(<= 3 fibo1_~n)} #71#return; {2121#false} is VALID [2020-07-11 00:49:19,905 INFO L280 TraceCheckUtils]: 40: Hoare triple {2121#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2121#false} is VALID [2020-07-11 00:49:19,905 INFO L280 TraceCheckUtils]: 41: Hoare triple {2121#false} #res := #t~ret0 + #t~ret1; {2121#false} is VALID [2020-07-11 00:49:19,906 INFO L280 TraceCheckUtils]: 42: Hoare triple {2121#false} havoc #t~ret1; {2121#false} is VALID [2020-07-11 00:49:19,906 INFO L280 TraceCheckUtils]: 43: Hoare triple {2121#false} havoc #t~ret0; {2121#false} is VALID [2020-07-11 00:49:19,906 INFO L280 TraceCheckUtils]: 44: Hoare triple {2121#false} assume true; {2121#false} is VALID [2020-07-11 00:49:19,906 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {2121#false} {2124#(<= 6 main_~x~0)} #63#return; {2121#false} is VALID [2020-07-11 00:49:19,907 INFO L280 TraceCheckUtils]: 46: Hoare triple {2121#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {2121#false} is VALID [2020-07-11 00:49:19,907 INFO L280 TraceCheckUtils]: 47: Hoare triple {2121#false} ~result~0 := #t~ret4; {2121#false} is VALID [2020-07-11 00:49:19,907 INFO L280 TraceCheckUtils]: 48: Hoare triple {2121#false} havoc #t~ret4; {2121#false} is VALID [2020-07-11 00:49:19,907 INFO L280 TraceCheckUtils]: 49: Hoare triple {2121#false} assume 8 == ~result~0; {2121#false} is VALID [2020-07-11 00:49:19,907 INFO L280 TraceCheckUtils]: 50: Hoare triple {2121#false} assume !false; {2121#false} is VALID [2020-07-11 00:49:19,910 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-11 00:49:19,911 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1574617917] [2020-07-11 00:49:19,911 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 00:49:19,911 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-07-11 00:49:19,911 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385135094] [2020-07-11 00:49:19,912 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-07-11 00:49:19,912 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:49:19,913 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-11 00:49:19,975 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:49:19,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-11 00:49:19,976 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:49:19,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-11 00:49:19,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-11 00:49:19,977 INFO L87 Difference]: Start difference. First operand 70 states and 89 transitions. Second operand 8 states. [2020-07-11 00:49:20,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:49:20,597 INFO L93 Difference]: Finished difference Result 142 states and 197 transitions. [2020-07-11 00:49:20,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-11 00:49:20,598 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-07-11 00:49:20,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:49:20,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-11 00:49:20,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 108 transitions. [2020-07-11 00:49:20,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-11 00:49:20,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 108 transitions. [2020-07-11 00:49:20,605 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 108 transitions. [2020-07-11 00:49:20,733 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 108 edges. 108 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:49:20,737 INFO L225 Difference]: With dead ends: 142 [2020-07-11 00:49:20,738 INFO L226 Difference]: Without dead ends: 78 [2020-07-11 00:49:20,739 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-07-11 00:49:20,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-07-11 00:49:20,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 72. [2020-07-11 00:49:20,873 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:49:20,873 INFO L82 GeneralOperation]: Start isEquivalent. First operand 78 states. Second operand 72 states. [2020-07-11 00:49:20,874 INFO L74 IsIncluded]: Start isIncluded. First operand 78 states. Second operand 72 states. [2020-07-11 00:49:20,874 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 72 states. [2020-07-11 00:49:20,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:49:20,879 INFO L93 Difference]: Finished difference Result 78 states and 101 transitions. [2020-07-11 00:49:20,880 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 101 transitions. [2020-07-11 00:49:20,881 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:49:20,881 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:49:20,881 INFO L74 IsIncluded]: Start isIncluded. First operand 72 states. Second operand 78 states. [2020-07-11 00:49:20,881 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 78 states. [2020-07-11 00:49:20,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:49:20,886 INFO L93 Difference]: Finished difference Result 78 states and 101 transitions. [2020-07-11 00:49:20,887 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 101 transitions. [2020-07-11 00:49:20,888 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:49:20,888 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:49:20,888 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:49:20,888 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:49:20,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-07-11 00:49:20,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 92 transitions. [2020-07-11 00:49:20,893 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 92 transitions. Word has length 51 [2020-07-11 00:49:20,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:49:20,893 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 92 transitions. [2020-07-11 00:49:20,893 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-11 00:49:20,893 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 72 states and 92 transitions. [2020-07-11 00:49:21,011 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 92 edges. 92 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:49:21,011 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2020-07-11 00:49:21,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-11 00:49:21,016 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:49:21,016 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 00:49:21,016 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-11 00:49:21,017 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:49:21,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:49:21,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1703786405, now seen corresponding path program 1 times [2020-07-11 00:49:21,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:49:21,018 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [32731353] [2020-07-11 00:49:21,018 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:49:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:21,068 INFO L280 TraceCheckUtils]: 0: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-11 00:49:21,068 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2799#true} {2799#true} #59#return; {2799#true} is VALID [2020-07-11 00:49:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:21,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:21,170 INFO L280 TraceCheckUtils]: 0: Hoare triple {2799#true} ~n := #in~n; {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:21,171 INFO L280 TraceCheckUtils]: 1: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:21,172 INFO L280 TraceCheckUtils]: 2: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:21,172 INFO L280 TraceCheckUtils]: 3: Hoare triple {2889#(<= |fibo1_#in~n| 1)} #res := 1; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:21,173 INFO L280 TraceCheckUtils]: 4: Hoare triple {2889#(<= |fibo1_#in~n| 1)} assume true; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:21,175 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2889#(<= |fibo1_#in~n| 1)} {2876#(= fibo2_~n |fibo2_#in~n|)} #65#return; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:21,180 INFO L280 TraceCheckUtils]: 0: Hoare triple {2799#true} ~n := #in~n; {2799#true} is VALID [2020-07-11 00:49:21,181 INFO L280 TraceCheckUtils]: 1: Hoare triple {2799#true} assume ~n < 1; {2799#true} is VALID [2020-07-11 00:49:21,181 INFO L280 TraceCheckUtils]: 2: Hoare triple {2799#true} #res := 0; {2799#true} is VALID [2020-07-11 00:49:21,181 INFO L280 TraceCheckUtils]: 3: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-11 00:49:21,182 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2799#true} {2883#(<= |fibo2_#in~n| 2)} #67#return; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:21,183 INFO L280 TraceCheckUtils]: 0: Hoare triple {2799#true} ~n := #in~n; {2876#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:21,184 INFO L280 TraceCheckUtils]: 1: Hoare triple {2876#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {2876#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:21,184 INFO L280 TraceCheckUtils]: 2: Hoare triple {2876#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {2876#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:21,185 INFO L263 TraceCheckUtils]: 3: Hoare triple {2876#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {2799#true} is VALID [2020-07-11 00:49:21,185 INFO L280 TraceCheckUtils]: 4: Hoare triple {2799#true} ~n := #in~n; {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:21,186 INFO L280 TraceCheckUtils]: 5: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:21,187 INFO L280 TraceCheckUtils]: 6: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:21,188 INFO L280 TraceCheckUtils]: 7: Hoare triple {2889#(<= |fibo1_#in~n| 1)} #res := 1; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:21,188 INFO L280 TraceCheckUtils]: 8: Hoare triple {2889#(<= |fibo1_#in~n| 1)} assume true; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:21,190 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {2889#(<= |fibo1_#in~n| 1)} {2876#(= fibo2_~n |fibo2_#in~n|)} #65#return; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:21,191 INFO L280 TraceCheckUtils]: 10: Hoare triple {2883#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:21,191 INFO L263 TraceCheckUtils]: 11: Hoare triple {2883#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {2799#true} is VALID [2020-07-11 00:49:21,192 INFO L280 TraceCheckUtils]: 12: Hoare triple {2799#true} ~n := #in~n; {2799#true} is VALID [2020-07-11 00:49:21,192 INFO L280 TraceCheckUtils]: 13: Hoare triple {2799#true} assume ~n < 1; {2799#true} is VALID [2020-07-11 00:49:21,192 INFO L280 TraceCheckUtils]: 14: Hoare triple {2799#true} #res := 0; {2799#true} is VALID [2020-07-11 00:49:21,193 INFO L280 TraceCheckUtils]: 15: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-11 00:49:21,194 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {2799#true} {2883#(<= |fibo2_#in~n| 2)} #67#return; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:21,194 INFO L280 TraceCheckUtils]: 17: Hoare triple {2883#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:21,195 INFO L280 TraceCheckUtils]: 18: Hoare triple {2883#(<= |fibo2_#in~n| 2)} #res := #t~ret2 + #t~ret3; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:21,196 INFO L280 TraceCheckUtils]: 19: Hoare triple {2883#(<= |fibo2_#in~n| 2)} havoc #t~ret2; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:21,196 INFO L280 TraceCheckUtils]: 20: Hoare triple {2883#(<= |fibo2_#in~n| 2)} havoc #t~ret3; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:21,197 INFO L280 TraceCheckUtils]: 21: Hoare triple {2883#(<= |fibo2_#in~n| 2)} assume true; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:21,198 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {2883#(<= |fibo2_#in~n| 2)} {2845#(= fibo1_~n |fibo1_#in~n|)} #69#return; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:21,204 INFO L280 TraceCheckUtils]: 0: Hoare triple {2799#true} ~n := #in~n; {2799#true} is VALID [2020-07-11 00:49:21,205 INFO L280 TraceCheckUtils]: 1: Hoare triple {2799#true} assume !(~n < 1); {2799#true} is VALID [2020-07-11 00:49:21,205 INFO L280 TraceCheckUtils]: 2: Hoare triple {2799#true} assume 1 == ~n; {2799#true} is VALID [2020-07-11 00:49:21,206 INFO L280 TraceCheckUtils]: 3: Hoare triple {2799#true} #res := 1; {2799#true} is VALID [2020-07-11 00:49:21,206 INFO L280 TraceCheckUtils]: 4: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-11 00:49:21,207 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2799#true} {2869#(<= |fibo1_#in~n| 3)} #71#return; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:21,208 INFO L280 TraceCheckUtils]: 0: Hoare triple {2799#true} ~n := #in~n; {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:21,209 INFO L280 TraceCheckUtils]: 1: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:21,210 INFO L280 TraceCheckUtils]: 2: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:21,210 INFO L263 TraceCheckUtils]: 3: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {2799#true} is VALID [2020-07-11 00:49:21,211 INFO L280 TraceCheckUtils]: 4: Hoare triple {2799#true} ~n := #in~n; {2876#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:21,211 INFO L280 TraceCheckUtils]: 5: Hoare triple {2876#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {2876#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:21,212 INFO L280 TraceCheckUtils]: 6: Hoare triple {2876#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {2876#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:21,212 INFO L263 TraceCheckUtils]: 7: Hoare triple {2876#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {2799#true} is VALID [2020-07-11 00:49:21,213 INFO L280 TraceCheckUtils]: 8: Hoare triple {2799#true} ~n := #in~n; {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:21,214 INFO L280 TraceCheckUtils]: 9: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:21,215 INFO L280 TraceCheckUtils]: 10: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:21,216 INFO L280 TraceCheckUtils]: 11: Hoare triple {2889#(<= |fibo1_#in~n| 1)} #res := 1; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:21,216 INFO L280 TraceCheckUtils]: 12: Hoare triple {2889#(<= |fibo1_#in~n| 1)} assume true; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:21,217 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {2889#(<= |fibo1_#in~n| 1)} {2876#(= fibo2_~n |fibo2_#in~n|)} #65#return; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:21,218 INFO L280 TraceCheckUtils]: 14: Hoare triple {2883#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:21,218 INFO L263 TraceCheckUtils]: 15: Hoare triple {2883#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {2799#true} is VALID [2020-07-11 00:49:21,219 INFO L280 TraceCheckUtils]: 16: Hoare triple {2799#true} ~n := #in~n; {2799#true} is VALID [2020-07-11 00:49:21,219 INFO L280 TraceCheckUtils]: 17: Hoare triple {2799#true} assume ~n < 1; {2799#true} is VALID [2020-07-11 00:49:21,219 INFO L280 TraceCheckUtils]: 18: Hoare triple {2799#true} #res := 0; {2799#true} is VALID [2020-07-11 00:49:21,219 INFO L280 TraceCheckUtils]: 19: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-11 00:49:21,220 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {2799#true} {2883#(<= |fibo2_#in~n| 2)} #67#return; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:21,221 INFO L280 TraceCheckUtils]: 21: Hoare triple {2883#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:21,222 INFO L280 TraceCheckUtils]: 22: Hoare triple {2883#(<= |fibo2_#in~n| 2)} #res := #t~ret2 + #t~ret3; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:21,223 INFO L280 TraceCheckUtils]: 23: Hoare triple {2883#(<= |fibo2_#in~n| 2)} havoc #t~ret2; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:21,224 INFO L280 TraceCheckUtils]: 24: Hoare triple {2883#(<= |fibo2_#in~n| 2)} havoc #t~ret3; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:21,224 INFO L280 TraceCheckUtils]: 25: Hoare triple {2883#(<= |fibo2_#in~n| 2)} assume true; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:21,226 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {2883#(<= |fibo2_#in~n| 2)} {2845#(= fibo1_~n |fibo1_#in~n|)} #69#return; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:21,226 INFO L280 TraceCheckUtils]: 27: Hoare triple {2869#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:21,226 INFO L263 TraceCheckUtils]: 28: Hoare triple {2869#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {2799#true} is VALID [2020-07-11 00:49:21,227 INFO L280 TraceCheckUtils]: 29: Hoare triple {2799#true} ~n := #in~n; {2799#true} is VALID [2020-07-11 00:49:21,227 INFO L280 TraceCheckUtils]: 30: Hoare triple {2799#true} assume !(~n < 1); {2799#true} is VALID [2020-07-11 00:49:21,227 INFO L280 TraceCheckUtils]: 31: Hoare triple {2799#true} assume 1 == ~n; {2799#true} is VALID [2020-07-11 00:49:21,227 INFO L280 TraceCheckUtils]: 32: Hoare triple {2799#true} #res := 1; {2799#true} is VALID [2020-07-11 00:49:21,227 INFO L280 TraceCheckUtils]: 33: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-11 00:49:21,228 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {2799#true} {2869#(<= |fibo1_#in~n| 3)} #71#return; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:21,229 INFO L280 TraceCheckUtils]: 35: Hoare triple {2869#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:21,229 INFO L280 TraceCheckUtils]: 36: Hoare triple {2869#(<= |fibo1_#in~n| 3)} #res := #t~ret0 + #t~ret1; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:21,230 INFO L280 TraceCheckUtils]: 37: Hoare triple {2869#(<= |fibo1_#in~n| 3)} havoc #t~ret1; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:21,230 INFO L280 TraceCheckUtils]: 38: Hoare triple {2869#(<= |fibo1_#in~n| 3)} havoc #t~ret0; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:21,231 INFO L280 TraceCheckUtils]: 39: Hoare triple {2869#(<= |fibo1_#in~n| 3)} assume true; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:21,232 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {2869#(<= |fibo1_#in~n| 3)} {2803#(<= 6 main_~x~0)} #63#return; {2800#false} is VALID [2020-07-11 00:49:21,234 INFO L263 TraceCheckUtils]: 0: Hoare triple {2799#true} call ULTIMATE.init(); {2799#true} is VALID [2020-07-11 00:49:21,235 INFO L280 TraceCheckUtils]: 1: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-11 00:49:21,235 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2799#true} {2799#true} #59#return; {2799#true} is VALID [2020-07-11 00:49:21,235 INFO L263 TraceCheckUtils]: 3: Hoare triple {2799#true} call #t~ret5 := main(); {2799#true} is VALID [2020-07-11 00:49:21,236 INFO L280 TraceCheckUtils]: 4: Hoare triple {2799#true} ~x~0 := 6; {2803#(<= 6 main_~x~0)} is VALID [2020-07-11 00:49:21,236 INFO L263 TraceCheckUtils]: 5: Hoare triple {2803#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {2799#true} is VALID [2020-07-11 00:49:21,237 INFO L280 TraceCheckUtils]: 6: Hoare triple {2799#true} ~n := #in~n; {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:21,237 INFO L280 TraceCheckUtils]: 7: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:21,238 INFO L280 TraceCheckUtils]: 8: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:21,238 INFO L263 TraceCheckUtils]: 9: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {2799#true} is VALID [2020-07-11 00:49:21,239 INFO L280 TraceCheckUtils]: 10: Hoare triple {2799#true} ~n := #in~n; {2876#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:21,239 INFO L280 TraceCheckUtils]: 11: Hoare triple {2876#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {2876#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:21,240 INFO L280 TraceCheckUtils]: 12: Hoare triple {2876#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {2876#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:21,240 INFO L263 TraceCheckUtils]: 13: Hoare triple {2876#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {2799#true} is VALID [2020-07-11 00:49:21,241 INFO L280 TraceCheckUtils]: 14: Hoare triple {2799#true} ~n := #in~n; {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:21,242 INFO L280 TraceCheckUtils]: 15: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:21,243 INFO L280 TraceCheckUtils]: 16: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:21,243 INFO L280 TraceCheckUtils]: 17: Hoare triple {2889#(<= |fibo1_#in~n| 1)} #res := 1; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:21,244 INFO L280 TraceCheckUtils]: 18: Hoare triple {2889#(<= |fibo1_#in~n| 1)} assume true; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:21,245 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {2889#(<= |fibo1_#in~n| 1)} {2876#(= fibo2_~n |fibo2_#in~n|)} #65#return; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:21,246 INFO L280 TraceCheckUtils]: 20: Hoare triple {2883#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:21,246 INFO L263 TraceCheckUtils]: 21: Hoare triple {2883#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {2799#true} is VALID [2020-07-11 00:49:21,246 INFO L280 TraceCheckUtils]: 22: Hoare triple {2799#true} ~n := #in~n; {2799#true} is VALID [2020-07-11 00:49:21,247 INFO L280 TraceCheckUtils]: 23: Hoare triple {2799#true} assume ~n < 1; {2799#true} is VALID [2020-07-11 00:49:21,247 INFO L280 TraceCheckUtils]: 24: Hoare triple {2799#true} #res := 0; {2799#true} is VALID [2020-07-11 00:49:21,247 INFO L280 TraceCheckUtils]: 25: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-11 00:49:21,249 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {2799#true} {2883#(<= |fibo2_#in~n| 2)} #67#return; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:21,249 INFO L280 TraceCheckUtils]: 27: Hoare triple {2883#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:21,250 INFO L280 TraceCheckUtils]: 28: Hoare triple {2883#(<= |fibo2_#in~n| 2)} #res := #t~ret2 + #t~ret3; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:21,251 INFO L280 TraceCheckUtils]: 29: Hoare triple {2883#(<= |fibo2_#in~n| 2)} havoc #t~ret2; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:21,251 INFO L280 TraceCheckUtils]: 30: Hoare triple {2883#(<= |fibo2_#in~n| 2)} havoc #t~ret3; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:21,252 INFO L280 TraceCheckUtils]: 31: Hoare triple {2883#(<= |fibo2_#in~n| 2)} assume true; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:21,253 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {2883#(<= |fibo2_#in~n| 2)} {2845#(= fibo1_~n |fibo1_#in~n|)} #69#return; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:21,254 INFO L280 TraceCheckUtils]: 33: Hoare triple {2869#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:21,254 INFO L263 TraceCheckUtils]: 34: Hoare triple {2869#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {2799#true} is VALID [2020-07-11 00:49:21,255 INFO L280 TraceCheckUtils]: 35: Hoare triple {2799#true} ~n := #in~n; {2799#true} is VALID [2020-07-11 00:49:21,255 INFO L280 TraceCheckUtils]: 36: Hoare triple {2799#true} assume !(~n < 1); {2799#true} is VALID [2020-07-11 00:49:21,255 INFO L280 TraceCheckUtils]: 37: Hoare triple {2799#true} assume 1 == ~n; {2799#true} is VALID [2020-07-11 00:49:21,256 INFO L280 TraceCheckUtils]: 38: Hoare triple {2799#true} #res := 1; {2799#true} is VALID [2020-07-11 00:49:21,256 INFO L280 TraceCheckUtils]: 39: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-11 00:49:21,258 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {2799#true} {2869#(<= |fibo1_#in~n| 3)} #71#return; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:21,258 INFO L280 TraceCheckUtils]: 41: Hoare triple {2869#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:21,259 INFO L280 TraceCheckUtils]: 42: Hoare triple {2869#(<= |fibo1_#in~n| 3)} #res := #t~ret0 + #t~ret1; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:21,260 INFO L280 TraceCheckUtils]: 43: Hoare triple {2869#(<= |fibo1_#in~n| 3)} havoc #t~ret1; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:21,261 INFO L280 TraceCheckUtils]: 44: Hoare triple {2869#(<= |fibo1_#in~n| 3)} havoc #t~ret0; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:21,262 INFO L280 TraceCheckUtils]: 45: Hoare triple {2869#(<= |fibo1_#in~n| 3)} assume true; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:21,263 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {2869#(<= |fibo1_#in~n| 3)} {2803#(<= 6 main_~x~0)} #63#return; {2800#false} is VALID [2020-07-11 00:49:21,264 INFO L280 TraceCheckUtils]: 47: Hoare triple {2800#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {2800#false} is VALID [2020-07-11 00:49:21,264 INFO L280 TraceCheckUtils]: 48: Hoare triple {2800#false} ~result~0 := #t~ret4; {2800#false} is VALID [2020-07-11 00:49:21,264 INFO L280 TraceCheckUtils]: 49: Hoare triple {2800#false} havoc #t~ret4; {2800#false} is VALID [2020-07-11 00:49:21,265 INFO L280 TraceCheckUtils]: 50: Hoare triple {2800#false} assume 8 == ~result~0; {2800#false} is VALID [2020-07-11 00:49:21,265 INFO L280 TraceCheckUtils]: 51: Hoare triple {2800#false} assume !false; {2800#false} is VALID [2020-07-11 00:49:21,271 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-11 00:49:21,272 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [32731353] [2020-07-11 00:49:21,272 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 00:49:21,272 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-07-11 00:49:21,273 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067543258] [2020-07-11 00:49:21,273 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-11 00:49:21,274 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:49:21,274 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-11 00:49:21,336 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:49:21,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-11 00:49:21,337 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:49:21,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-11 00:49:21,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-11 00:49:21,338 INFO L87 Difference]: Start difference. First operand 72 states and 92 transitions. Second operand 8 states. [2020-07-11 00:49:22,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:49:22,125 INFO L93 Difference]: Finished difference Result 118 states and 158 transitions. [2020-07-11 00:49:22,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-11 00:49:22,125 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-11 00:49:22,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:49:22,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-11 00:49:22,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 96 transitions. [2020-07-11 00:49:22,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-11 00:49:22,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 96 transitions. [2020-07-11 00:49:22,135 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 96 transitions. [2020-07-11 00:49:22,257 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 96 edges. 96 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:49:22,262 INFO L225 Difference]: With dead ends: 118 [2020-07-11 00:49:22,262 INFO L226 Difference]: Without dead ends: 112 [2020-07-11 00:49:22,263 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-07-11 00:49:22,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-07-11 00:49:22,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 106. [2020-07-11 00:49:22,489 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:49:22,489 INFO L82 GeneralOperation]: Start isEquivalent. First operand 112 states. Second operand 106 states. [2020-07-11 00:49:22,489 INFO L74 IsIncluded]: Start isIncluded. First operand 112 states. Second operand 106 states. [2020-07-11 00:49:22,489 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 106 states. [2020-07-11 00:49:22,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:49:22,499 INFO L93 Difference]: Finished difference Result 112 states and 152 transitions. [2020-07-11 00:49:22,499 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 152 transitions. [2020-07-11 00:49:22,500 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:49:22,500 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:49:22,500 INFO L74 IsIncluded]: Start isIncluded. First operand 106 states. Second operand 112 states. [2020-07-11 00:49:22,501 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 112 states. [2020-07-11 00:49:22,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:49:22,508 INFO L93 Difference]: Finished difference Result 112 states and 152 transitions. [2020-07-11 00:49:22,509 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 152 transitions. [2020-07-11 00:49:22,510 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:49:22,510 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:49:22,510 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:49:22,510 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:49:22,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-07-11 00:49:22,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 145 transitions. [2020-07-11 00:49:22,517 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 145 transitions. Word has length 52 [2020-07-11 00:49:22,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:49:22,518 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 145 transitions. [2020-07-11 00:49:22,518 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-11 00:49:22,518 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 106 states and 145 transitions. [2020-07-11 00:49:22,703 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 145 edges. 145 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:49:22,703 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 145 transitions. [2020-07-11 00:49:22,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-11 00:49:22,705 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:49:22,705 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 00:49:22,705 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-11 00:49:22,705 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:49:22,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:49:22,706 INFO L82 PathProgramCache]: Analyzing trace with hash -521446491, now seen corresponding path program 1 times [2020-07-11 00:49:22,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:49:22,706 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [822695545] [2020-07-11 00:49:22,706 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:49:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:22,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:22,736 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:49:22,736 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3573#true} {3573#true} #59#return; {3573#true} is VALID [2020-07-11 00:49:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:22,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:22,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:22,850 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:49:22,851 INFO L280 TraceCheckUtils]: 1: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-11 00:49:22,851 INFO L280 TraceCheckUtils]: 2: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-11 00:49:22,851 INFO L280 TraceCheckUtils]: 3: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-11 00:49:22,851 INFO L280 TraceCheckUtils]: 4: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:49:22,852 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #69#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:22,857 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:49:22,857 INFO L280 TraceCheckUtils]: 1: Hoare triple {3573#true} assume ~n < 1; {3573#true} is VALID [2020-07-11 00:49:22,857 INFO L280 TraceCheckUtils]: 2: Hoare triple {3573#true} #res := 0; {3573#true} is VALID [2020-07-11 00:49:22,858 INFO L280 TraceCheckUtils]: 3: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:49:22,859 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #71#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,859 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,860 INFO L280 TraceCheckUtils]: 1: Hoare triple {3711#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {3712#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-11 00:49:22,861 INFO L280 TraceCheckUtils]: 2: Hoare triple {3712#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,861 INFO L263 TraceCheckUtils]: 3: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {3573#true} is VALID [2020-07-11 00:49:22,861 INFO L280 TraceCheckUtils]: 4: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:49:22,862 INFO L280 TraceCheckUtils]: 5: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-11 00:49:22,862 INFO L280 TraceCheckUtils]: 6: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-11 00:49:22,862 INFO L280 TraceCheckUtils]: 7: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-11 00:49:22,862 INFO L280 TraceCheckUtils]: 8: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:49:22,863 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #69#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,864 INFO L280 TraceCheckUtils]: 10: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,864 INFO L263 TraceCheckUtils]: 11: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3573#true} is VALID [2020-07-11 00:49:22,864 INFO L280 TraceCheckUtils]: 12: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:49:22,864 INFO L280 TraceCheckUtils]: 13: Hoare triple {3573#true} assume ~n < 1; {3573#true} is VALID [2020-07-11 00:49:22,864 INFO L280 TraceCheckUtils]: 14: Hoare triple {3573#true} #res := 0; {3573#true} is VALID [2020-07-11 00:49:22,865 INFO L280 TraceCheckUtils]: 15: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:49:22,865 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #71#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,866 INFO L280 TraceCheckUtils]: 17: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,866 INFO L280 TraceCheckUtils]: 18: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,867 INFO L280 TraceCheckUtils]: 19: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,868 INFO L280 TraceCheckUtils]: 20: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,868 INFO L280 TraceCheckUtils]: 21: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume true; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,869 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {3713#(<= 2 |fibo1_#in~n|)} {3573#true} #65#return; {3705#(<= 3 fibo2_~n)} is VALID [2020-07-11 00:49:22,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:22,887 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,888 INFO L280 TraceCheckUtils]: 1: Hoare triple {3711#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:49:22,888 INFO L280 TraceCheckUtils]: 2: Hoare triple {3725#(<= |fibo1_#in~n| 0)} #res := 0; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:49:22,889 INFO L280 TraceCheckUtils]: 3: Hoare triple {3725#(<= |fibo1_#in~n| 0)} assume true; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:49:22,890 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3725#(<= |fibo1_#in~n| 0)} {3705#(<= 3 fibo2_~n)} #67#return; {3574#false} is VALID [2020-07-11 00:49:22,890 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:49:22,891 INFO L280 TraceCheckUtils]: 1: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-11 00:49:22,891 INFO L280 TraceCheckUtils]: 2: Hoare triple {3573#true} assume !(1 == ~n); {3573#true} is VALID [2020-07-11 00:49:22,891 INFO L263 TraceCheckUtils]: 3: Hoare triple {3573#true} call #t~ret2 := fibo1(~n - 1); {3573#true} is VALID [2020-07-11 00:49:22,892 INFO L280 TraceCheckUtils]: 4: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,892 INFO L280 TraceCheckUtils]: 5: Hoare triple {3711#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {3712#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-11 00:49:22,893 INFO L280 TraceCheckUtils]: 6: Hoare triple {3712#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,893 INFO L263 TraceCheckUtils]: 7: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {3573#true} is VALID [2020-07-11 00:49:22,894 INFO L280 TraceCheckUtils]: 8: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:49:22,894 INFO L280 TraceCheckUtils]: 9: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-11 00:49:22,894 INFO L280 TraceCheckUtils]: 10: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-11 00:49:22,894 INFO L280 TraceCheckUtils]: 11: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-11 00:49:22,894 INFO L280 TraceCheckUtils]: 12: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:49:22,895 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #69#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,896 INFO L280 TraceCheckUtils]: 14: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,896 INFO L263 TraceCheckUtils]: 15: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3573#true} is VALID [2020-07-11 00:49:22,896 INFO L280 TraceCheckUtils]: 16: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:49:22,896 INFO L280 TraceCheckUtils]: 17: Hoare triple {3573#true} assume ~n < 1; {3573#true} is VALID [2020-07-11 00:49:22,897 INFO L280 TraceCheckUtils]: 18: Hoare triple {3573#true} #res := 0; {3573#true} is VALID [2020-07-11 00:49:22,897 INFO L280 TraceCheckUtils]: 19: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:49:22,898 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #71#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,898 INFO L280 TraceCheckUtils]: 21: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,899 INFO L280 TraceCheckUtils]: 22: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,899 INFO L280 TraceCheckUtils]: 23: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,900 INFO L280 TraceCheckUtils]: 24: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,900 INFO L280 TraceCheckUtils]: 25: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume true; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,902 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {3713#(<= 2 |fibo1_#in~n|)} {3573#true} #65#return; {3705#(<= 3 fibo2_~n)} is VALID [2020-07-11 00:49:22,902 INFO L280 TraceCheckUtils]: 27: Hoare triple {3705#(<= 3 fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3705#(<= 3 fibo2_~n)} is VALID [2020-07-11 00:49:22,902 INFO L263 TraceCheckUtils]: 28: Hoare triple {3705#(<= 3 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {3573#true} is VALID [2020-07-11 00:49:22,903 INFO L280 TraceCheckUtils]: 29: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,904 INFO L280 TraceCheckUtils]: 30: Hoare triple {3711#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:49:22,904 INFO L280 TraceCheckUtils]: 31: Hoare triple {3725#(<= |fibo1_#in~n| 0)} #res := 0; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:49:22,905 INFO L280 TraceCheckUtils]: 32: Hoare triple {3725#(<= |fibo1_#in~n| 0)} assume true; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:49:22,906 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {3725#(<= |fibo1_#in~n| 0)} {3705#(<= 3 fibo2_~n)} #67#return; {3574#false} is VALID [2020-07-11 00:49:22,906 INFO L280 TraceCheckUtils]: 34: Hoare triple {3574#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {3574#false} is VALID [2020-07-11 00:49:22,906 INFO L280 TraceCheckUtils]: 35: Hoare triple {3574#false} #res := #t~ret2 + #t~ret3; {3574#false} is VALID [2020-07-11 00:49:22,906 INFO L280 TraceCheckUtils]: 36: Hoare triple {3574#false} havoc #t~ret2; {3574#false} is VALID [2020-07-11 00:49:22,907 INFO L280 TraceCheckUtils]: 37: Hoare triple {3574#false} havoc #t~ret3; {3574#false} is VALID [2020-07-11 00:49:22,907 INFO L280 TraceCheckUtils]: 38: Hoare triple {3574#false} assume true; {3574#false} is VALID [2020-07-11 00:49:22,907 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {3574#false} {3573#true} #69#return; {3574#false} is VALID [2020-07-11 00:49:22,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:22,913 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:49:22,913 INFO L280 TraceCheckUtils]: 1: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-11 00:49:22,913 INFO L280 TraceCheckUtils]: 2: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-11 00:49:22,913 INFO L280 TraceCheckUtils]: 3: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-11 00:49:22,914 INFO L280 TraceCheckUtils]: 4: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:49:22,914 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3573#true} {3574#false} #71#return; {3574#false} is VALID [2020-07-11 00:49:22,914 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:49:22,914 INFO L280 TraceCheckUtils]: 1: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-11 00:49:22,915 INFO L280 TraceCheckUtils]: 2: Hoare triple {3573#true} assume !(1 == ~n); {3573#true} is VALID [2020-07-11 00:49:22,915 INFO L263 TraceCheckUtils]: 3: Hoare triple {3573#true} call #t~ret0 := fibo2(~n - 1); {3573#true} is VALID [2020-07-11 00:49:22,915 INFO L280 TraceCheckUtils]: 4: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:49:22,915 INFO L280 TraceCheckUtils]: 5: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-11 00:49:22,915 INFO L280 TraceCheckUtils]: 6: Hoare triple {3573#true} assume !(1 == ~n); {3573#true} is VALID [2020-07-11 00:49:22,915 INFO L263 TraceCheckUtils]: 7: Hoare triple {3573#true} call #t~ret2 := fibo1(~n - 1); {3573#true} is VALID [2020-07-11 00:49:22,916 INFO L280 TraceCheckUtils]: 8: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,917 INFO L280 TraceCheckUtils]: 9: Hoare triple {3711#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {3712#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-11 00:49:22,918 INFO L280 TraceCheckUtils]: 10: Hoare triple {3712#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,918 INFO L263 TraceCheckUtils]: 11: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {3573#true} is VALID [2020-07-11 00:49:22,918 INFO L280 TraceCheckUtils]: 12: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:49:22,919 INFO L280 TraceCheckUtils]: 13: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-11 00:49:22,919 INFO L280 TraceCheckUtils]: 14: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-11 00:49:22,919 INFO L280 TraceCheckUtils]: 15: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-11 00:49:22,919 INFO L280 TraceCheckUtils]: 16: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:49:22,920 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #69#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,921 INFO L280 TraceCheckUtils]: 18: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,921 INFO L263 TraceCheckUtils]: 19: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3573#true} is VALID [2020-07-11 00:49:22,921 INFO L280 TraceCheckUtils]: 20: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:49:22,921 INFO L280 TraceCheckUtils]: 21: Hoare triple {3573#true} assume ~n < 1; {3573#true} is VALID [2020-07-11 00:49:22,921 INFO L280 TraceCheckUtils]: 22: Hoare triple {3573#true} #res := 0; {3573#true} is VALID [2020-07-11 00:49:22,922 INFO L280 TraceCheckUtils]: 23: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:49:22,922 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #71#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,923 INFO L280 TraceCheckUtils]: 25: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,923 INFO L280 TraceCheckUtils]: 26: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,924 INFO L280 TraceCheckUtils]: 27: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,924 INFO L280 TraceCheckUtils]: 28: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,925 INFO L280 TraceCheckUtils]: 29: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume true; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,926 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {3713#(<= 2 |fibo1_#in~n|)} {3573#true} #65#return; {3705#(<= 3 fibo2_~n)} is VALID [2020-07-11 00:49:22,927 INFO L280 TraceCheckUtils]: 31: Hoare triple {3705#(<= 3 fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3705#(<= 3 fibo2_~n)} is VALID [2020-07-11 00:49:22,927 INFO L263 TraceCheckUtils]: 32: Hoare triple {3705#(<= 3 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {3573#true} is VALID [2020-07-11 00:49:22,927 INFO L280 TraceCheckUtils]: 33: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,928 INFO L280 TraceCheckUtils]: 34: Hoare triple {3711#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:49:22,929 INFO L280 TraceCheckUtils]: 35: Hoare triple {3725#(<= |fibo1_#in~n| 0)} #res := 0; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:49:22,929 INFO L280 TraceCheckUtils]: 36: Hoare triple {3725#(<= |fibo1_#in~n| 0)} assume true; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:49:22,930 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {3725#(<= |fibo1_#in~n| 0)} {3705#(<= 3 fibo2_~n)} #67#return; {3574#false} is VALID [2020-07-11 00:49:22,930 INFO L280 TraceCheckUtils]: 38: Hoare triple {3574#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {3574#false} is VALID [2020-07-11 00:49:22,930 INFO L280 TraceCheckUtils]: 39: Hoare triple {3574#false} #res := #t~ret2 + #t~ret3; {3574#false} is VALID [2020-07-11 00:49:22,931 INFO L280 TraceCheckUtils]: 40: Hoare triple {3574#false} havoc #t~ret2; {3574#false} is VALID [2020-07-11 00:49:22,931 INFO L280 TraceCheckUtils]: 41: Hoare triple {3574#false} havoc #t~ret3; {3574#false} is VALID [2020-07-11 00:49:22,931 INFO L280 TraceCheckUtils]: 42: Hoare triple {3574#false} assume true; {3574#false} is VALID [2020-07-11 00:49:22,931 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {3574#false} {3573#true} #69#return; {3574#false} is VALID [2020-07-11 00:49:22,931 INFO L280 TraceCheckUtils]: 44: Hoare triple {3574#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3574#false} is VALID [2020-07-11 00:49:22,932 INFO L263 TraceCheckUtils]: 45: Hoare triple {3574#false} call #t~ret1 := fibo2(~n - 2); {3573#true} is VALID [2020-07-11 00:49:22,932 INFO L280 TraceCheckUtils]: 46: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:49:22,932 INFO L280 TraceCheckUtils]: 47: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-11 00:49:22,932 INFO L280 TraceCheckUtils]: 48: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-11 00:49:22,932 INFO L280 TraceCheckUtils]: 49: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-11 00:49:22,933 INFO L280 TraceCheckUtils]: 50: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:49:22,933 INFO L275 TraceCheckUtils]: 51: Hoare quadruple {3573#true} {3574#false} #71#return; {3574#false} is VALID [2020-07-11 00:49:22,933 INFO L280 TraceCheckUtils]: 52: Hoare triple {3574#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3574#false} is VALID [2020-07-11 00:49:22,933 INFO L280 TraceCheckUtils]: 53: Hoare triple {3574#false} #res := #t~ret0 + #t~ret1; {3574#false} is VALID [2020-07-11 00:49:22,933 INFO L280 TraceCheckUtils]: 54: Hoare triple {3574#false} havoc #t~ret1; {3574#false} is VALID [2020-07-11 00:49:22,934 INFO L280 TraceCheckUtils]: 55: Hoare triple {3574#false} havoc #t~ret0; {3574#false} is VALID [2020-07-11 00:49:22,934 INFO L280 TraceCheckUtils]: 56: Hoare triple {3574#false} assume true; {3574#false} is VALID [2020-07-11 00:49:22,934 INFO L275 TraceCheckUtils]: 57: Hoare quadruple {3574#false} {3577#(<= 6 main_~x~0)} #63#return; {3574#false} is VALID [2020-07-11 00:49:22,936 INFO L263 TraceCheckUtils]: 0: Hoare triple {3573#true} call ULTIMATE.init(); {3573#true} is VALID [2020-07-11 00:49:22,937 INFO L280 TraceCheckUtils]: 1: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:49:22,937 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3573#true} {3573#true} #59#return; {3573#true} is VALID [2020-07-11 00:49:22,937 INFO L263 TraceCheckUtils]: 3: Hoare triple {3573#true} call #t~ret5 := main(); {3573#true} is VALID [2020-07-11 00:49:22,938 INFO L280 TraceCheckUtils]: 4: Hoare triple {3573#true} ~x~0 := 6; {3577#(<= 6 main_~x~0)} is VALID [2020-07-11 00:49:22,938 INFO L263 TraceCheckUtils]: 5: Hoare triple {3577#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {3573#true} is VALID [2020-07-11 00:49:22,938 INFO L280 TraceCheckUtils]: 6: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:49:22,938 INFO L280 TraceCheckUtils]: 7: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-11 00:49:22,939 INFO L280 TraceCheckUtils]: 8: Hoare triple {3573#true} assume !(1 == ~n); {3573#true} is VALID [2020-07-11 00:49:22,939 INFO L263 TraceCheckUtils]: 9: Hoare triple {3573#true} call #t~ret0 := fibo2(~n - 1); {3573#true} is VALID [2020-07-11 00:49:22,939 INFO L280 TraceCheckUtils]: 10: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:49:22,939 INFO L280 TraceCheckUtils]: 11: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-11 00:49:22,939 INFO L280 TraceCheckUtils]: 12: Hoare triple {3573#true} assume !(1 == ~n); {3573#true} is VALID [2020-07-11 00:49:22,939 INFO L263 TraceCheckUtils]: 13: Hoare triple {3573#true} call #t~ret2 := fibo1(~n - 1); {3573#true} is VALID [2020-07-11 00:49:22,940 INFO L280 TraceCheckUtils]: 14: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,941 INFO L280 TraceCheckUtils]: 15: Hoare triple {3711#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {3712#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-11 00:49:22,941 INFO L280 TraceCheckUtils]: 16: Hoare triple {3712#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,942 INFO L263 TraceCheckUtils]: 17: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {3573#true} is VALID [2020-07-11 00:49:22,942 INFO L280 TraceCheckUtils]: 18: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:49:22,942 INFO L280 TraceCheckUtils]: 19: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-11 00:49:22,942 INFO L280 TraceCheckUtils]: 20: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-11 00:49:22,942 INFO L280 TraceCheckUtils]: 21: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-11 00:49:22,943 INFO L280 TraceCheckUtils]: 22: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:49:22,943 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #69#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,944 INFO L280 TraceCheckUtils]: 24: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,944 INFO L263 TraceCheckUtils]: 25: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3573#true} is VALID [2020-07-11 00:49:22,944 INFO L280 TraceCheckUtils]: 26: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:49:22,945 INFO L280 TraceCheckUtils]: 27: Hoare triple {3573#true} assume ~n < 1; {3573#true} is VALID [2020-07-11 00:49:22,945 INFO L280 TraceCheckUtils]: 28: Hoare triple {3573#true} #res := 0; {3573#true} is VALID [2020-07-11 00:49:22,945 INFO L280 TraceCheckUtils]: 29: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:49:22,946 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #71#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,946 INFO L280 TraceCheckUtils]: 31: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,947 INFO L280 TraceCheckUtils]: 32: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,947 INFO L280 TraceCheckUtils]: 33: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,948 INFO L280 TraceCheckUtils]: 34: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,948 INFO L280 TraceCheckUtils]: 35: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume true; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,949 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {3713#(<= 2 |fibo1_#in~n|)} {3573#true} #65#return; {3705#(<= 3 fibo2_~n)} is VALID [2020-07-11 00:49:22,950 INFO L280 TraceCheckUtils]: 37: Hoare triple {3705#(<= 3 fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3705#(<= 3 fibo2_~n)} is VALID [2020-07-11 00:49:22,950 INFO L263 TraceCheckUtils]: 38: Hoare triple {3705#(<= 3 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {3573#true} is VALID [2020-07-11 00:49:22,951 INFO L280 TraceCheckUtils]: 39: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:22,951 INFO L280 TraceCheckUtils]: 40: Hoare triple {3711#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:49:22,952 INFO L280 TraceCheckUtils]: 41: Hoare triple {3725#(<= |fibo1_#in~n| 0)} #res := 0; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:49:22,952 INFO L280 TraceCheckUtils]: 42: Hoare triple {3725#(<= |fibo1_#in~n| 0)} assume true; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:49:22,953 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {3725#(<= |fibo1_#in~n| 0)} {3705#(<= 3 fibo2_~n)} #67#return; {3574#false} is VALID [2020-07-11 00:49:22,953 INFO L280 TraceCheckUtils]: 44: Hoare triple {3574#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {3574#false} is VALID [2020-07-11 00:49:22,954 INFO L280 TraceCheckUtils]: 45: Hoare triple {3574#false} #res := #t~ret2 + #t~ret3; {3574#false} is VALID [2020-07-11 00:49:22,954 INFO L280 TraceCheckUtils]: 46: Hoare triple {3574#false} havoc #t~ret2; {3574#false} is VALID [2020-07-11 00:49:22,954 INFO L280 TraceCheckUtils]: 47: Hoare triple {3574#false} havoc #t~ret3; {3574#false} is VALID [2020-07-11 00:49:22,954 INFO L280 TraceCheckUtils]: 48: Hoare triple {3574#false} assume true; {3574#false} is VALID [2020-07-11 00:49:22,954 INFO L275 TraceCheckUtils]: 49: Hoare quadruple {3574#false} {3573#true} #69#return; {3574#false} is VALID [2020-07-11 00:49:22,955 INFO L280 TraceCheckUtils]: 50: Hoare triple {3574#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3574#false} is VALID [2020-07-11 00:49:22,955 INFO L263 TraceCheckUtils]: 51: Hoare triple {3574#false} call #t~ret1 := fibo2(~n - 2); {3573#true} is VALID [2020-07-11 00:49:22,955 INFO L280 TraceCheckUtils]: 52: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:49:22,955 INFO L280 TraceCheckUtils]: 53: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-11 00:49:22,955 INFO L280 TraceCheckUtils]: 54: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-11 00:49:22,955 INFO L280 TraceCheckUtils]: 55: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-11 00:49:22,956 INFO L280 TraceCheckUtils]: 56: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:49:22,956 INFO L275 TraceCheckUtils]: 57: Hoare quadruple {3573#true} {3574#false} #71#return; {3574#false} is VALID [2020-07-11 00:49:22,956 INFO L280 TraceCheckUtils]: 58: Hoare triple {3574#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3574#false} is VALID [2020-07-11 00:49:22,956 INFO L280 TraceCheckUtils]: 59: Hoare triple {3574#false} #res := #t~ret0 + #t~ret1; {3574#false} is VALID [2020-07-11 00:49:22,956 INFO L280 TraceCheckUtils]: 60: Hoare triple {3574#false} havoc #t~ret1; {3574#false} is VALID [2020-07-11 00:49:22,957 INFO L280 TraceCheckUtils]: 61: Hoare triple {3574#false} havoc #t~ret0; {3574#false} is VALID [2020-07-11 00:49:22,957 INFO L280 TraceCheckUtils]: 62: Hoare triple {3574#false} assume true; {3574#false} is VALID [2020-07-11 00:49:22,957 INFO L275 TraceCheckUtils]: 63: Hoare quadruple {3574#false} {3577#(<= 6 main_~x~0)} #63#return; {3574#false} is VALID [2020-07-11 00:49:22,957 INFO L280 TraceCheckUtils]: 64: Hoare triple {3574#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {3574#false} is VALID [2020-07-11 00:49:22,957 INFO L280 TraceCheckUtils]: 65: Hoare triple {3574#false} ~result~0 := #t~ret4; {3574#false} is VALID [2020-07-11 00:49:22,958 INFO L280 TraceCheckUtils]: 66: Hoare triple {3574#false} havoc #t~ret4; {3574#false} is VALID [2020-07-11 00:49:22,958 INFO L280 TraceCheckUtils]: 67: Hoare triple {3574#false} assume 8 == ~result~0; {3574#false} is VALID [2020-07-11 00:49:22,958 INFO L280 TraceCheckUtils]: 68: Hoare triple {3574#false} assume !false; {3574#false} is VALID [2020-07-11 00:49:22,961 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-07-11 00:49:22,962 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [822695545] [2020-07-11 00:49:22,962 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 00:49:22,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-07-11 00:49:22,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793300436] [2020-07-11 00:49:22,963 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 69 [2020-07-11 00:49:22,964 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:49:22,964 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-11 00:49:23,023 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 59 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:49:23,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-11 00:49:23,023 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:49:23,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-11 00:49:23,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-11 00:49:23,024 INFO L87 Difference]: Start difference. First operand 106 states and 145 transitions. Second operand 8 states. [2020-07-11 00:49:23,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:49:23,807 INFO L93 Difference]: Finished difference Result 227 states and 348 transitions. [2020-07-11 00:49:23,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-11 00:49:23,807 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 69 [2020-07-11 00:49:23,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:49:23,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-11 00:49:23,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 113 transitions. [2020-07-11 00:49:23,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-11 00:49:23,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 113 transitions. [2020-07-11 00:49:23,813 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 113 transitions. [2020-07-11 00:49:23,941 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 113 edges. 113 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:49:23,947 INFO L225 Difference]: With dead ends: 227 [2020-07-11 00:49:23,947 INFO L226 Difference]: Without dead ends: 127 [2020-07-11 00:49:23,949 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-07-11 00:49:23,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-07-11 00:49:24,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 115. [2020-07-11 00:49:24,189 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:49:24,189 INFO L82 GeneralOperation]: Start isEquivalent. First operand 127 states. Second operand 115 states. [2020-07-11 00:49:24,189 INFO L74 IsIncluded]: Start isIncluded. First operand 127 states. Second operand 115 states. [2020-07-11 00:49:24,190 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 115 states. [2020-07-11 00:49:24,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:49:24,200 INFO L93 Difference]: Finished difference Result 127 states and 180 transitions. [2020-07-11 00:49:24,200 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 180 transitions. [2020-07-11 00:49:24,201 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:49:24,202 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:49:24,202 INFO L74 IsIncluded]: Start isIncluded. First operand 115 states. Second operand 127 states. [2020-07-11 00:49:24,202 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 127 states. [2020-07-11 00:49:24,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:49:24,211 INFO L93 Difference]: Finished difference Result 127 states and 180 transitions. [2020-07-11 00:49:24,211 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 180 transitions. [2020-07-11 00:49:24,213 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:49:24,213 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:49:24,213 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:49:24,213 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:49:24,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-07-11 00:49:24,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 161 transitions. [2020-07-11 00:49:24,221 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 161 transitions. Word has length 69 [2020-07-11 00:49:24,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:49:24,221 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 161 transitions. [2020-07-11 00:49:24,221 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-11 00:49:24,221 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 115 states and 161 transitions. [2020-07-11 00:49:24,432 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 161 edges. 161 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:49:24,432 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 161 transitions. [2020-07-11 00:49:24,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-11 00:49:24,434 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:49:24,434 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 00:49:24,434 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-11 00:49:24,435 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:49:24,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:49:24,435 INFO L82 PathProgramCache]: Analyzing trace with hash -439633211, now seen corresponding path program 1 times [2020-07-11 00:49:24,435 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:49:24,435 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1344762098] [2020-07-11 00:49:24,436 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:49:24,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:24,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:24,475 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:49:24,475 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {4671#true} {4671#true} #59#return; {4671#true} is VALID [2020-07-11 00:49:24,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:24,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:24,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:24,616 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:49:24,617 INFO L280 TraceCheckUtils]: 1: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-11 00:49:24,617 INFO L280 TraceCheckUtils]: 2: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-11 00:49:24,617 INFO L280 TraceCheckUtils]: 3: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-11 00:49:24,617 INFO L280 TraceCheckUtils]: 4: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:49:24,618 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #69#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:24,622 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:49:24,623 INFO L280 TraceCheckUtils]: 1: Hoare triple {4671#true} assume ~n < 1; {4671#true} is VALID [2020-07-11 00:49:24,623 INFO L280 TraceCheckUtils]: 2: Hoare triple {4671#true} #res := 0; {4671#true} is VALID [2020-07-11 00:49:24,623 INFO L280 TraceCheckUtils]: 3: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:49:24,624 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #71#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,625 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} ~n := #in~n; {4814#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,626 INFO L280 TraceCheckUtils]: 1: Hoare triple {4814#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {4815#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-11 00:49:24,626 INFO L280 TraceCheckUtils]: 2: Hoare triple {4815#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,627 INFO L263 TraceCheckUtils]: 3: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4671#true} is VALID [2020-07-11 00:49:24,627 INFO L280 TraceCheckUtils]: 4: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:49:24,627 INFO L280 TraceCheckUtils]: 5: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-11 00:49:24,627 INFO L280 TraceCheckUtils]: 6: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-11 00:49:24,627 INFO L280 TraceCheckUtils]: 7: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-11 00:49:24,628 INFO L280 TraceCheckUtils]: 8: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:49:24,629 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #69#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,629 INFO L280 TraceCheckUtils]: 10: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,629 INFO L263 TraceCheckUtils]: 11: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4671#true} is VALID [2020-07-11 00:49:24,630 INFO L280 TraceCheckUtils]: 12: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:49:24,630 INFO L280 TraceCheckUtils]: 13: Hoare triple {4671#true} assume ~n < 1; {4671#true} is VALID [2020-07-11 00:49:24,630 INFO L280 TraceCheckUtils]: 14: Hoare triple {4671#true} #res := 0; {4671#true} is VALID [2020-07-11 00:49:24,630 INFO L280 TraceCheckUtils]: 15: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:49:24,631 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #71#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,632 INFO L280 TraceCheckUtils]: 17: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,632 INFO L280 TraceCheckUtils]: 18: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,633 INFO L280 TraceCheckUtils]: 19: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,633 INFO L280 TraceCheckUtils]: 20: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,634 INFO L280 TraceCheckUtils]: 21: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume true; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,635 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {4816#(<= 2 |fibo1_#in~n|)} {4783#(= fibo2_~n |fibo2_#in~n|)} #65#return; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:24,640 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:49:24,641 INFO L280 TraceCheckUtils]: 1: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-11 00:49:24,641 INFO L280 TraceCheckUtils]: 2: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-11 00:49:24,641 INFO L280 TraceCheckUtils]: 3: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-11 00:49:24,641 INFO L280 TraceCheckUtils]: 4: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:49:24,642 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {4671#true} {4807#(<= 3 |fibo2_#in~n|)} #67#return; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,643 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} ~n := #in~n; {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,643 INFO L280 TraceCheckUtils]: 1: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,644 INFO L280 TraceCheckUtils]: 2: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,644 INFO L263 TraceCheckUtils]: 3: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4671#true} is VALID [2020-07-11 00:49:24,644 INFO L280 TraceCheckUtils]: 4: Hoare triple {4671#true} ~n := #in~n; {4814#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,645 INFO L280 TraceCheckUtils]: 5: Hoare triple {4814#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {4815#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-11 00:49:24,646 INFO L280 TraceCheckUtils]: 6: Hoare triple {4815#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,646 INFO L263 TraceCheckUtils]: 7: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4671#true} is VALID [2020-07-11 00:49:24,646 INFO L280 TraceCheckUtils]: 8: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:49:24,647 INFO L280 TraceCheckUtils]: 9: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-11 00:49:24,647 INFO L280 TraceCheckUtils]: 10: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-11 00:49:24,647 INFO L280 TraceCheckUtils]: 11: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-11 00:49:24,647 INFO L280 TraceCheckUtils]: 12: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:49:24,648 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #69#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,648 INFO L280 TraceCheckUtils]: 14: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,649 INFO L263 TraceCheckUtils]: 15: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4671#true} is VALID [2020-07-11 00:49:24,649 INFO L280 TraceCheckUtils]: 16: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:49:24,649 INFO L280 TraceCheckUtils]: 17: Hoare triple {4671#true} assume ~n < 1; {4671#true} is VALID [2020-07-11 00:49:24,649 INFO L280 TraceCheckUtils]: 18: Hoare triple {4671#true} #res := 0; {4671#true} is VALID [2020-07-11 00:49:24,649 INFO L280 TraceCheckUtils]: 19: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:49:24,650 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #71#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,651 INFO L280 TraceCheckUtils]: 21: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,651 INFO L280 TraceCheckUtils]: 22: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,652 INFO L280 TraceCheckUtils]: 23: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,652 INFO L280 TraceCheckUtils]: 24: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,653 INFO L280 TraceCheckUtils]: 25: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume true; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,654 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {4816#(<= 2 |fibo1_#in~n|)} {4783#(= fibo2_~n |fibo2_#in~n|)} #65#return; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,655 INFO L280 TraceCheckUtils]: 27: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,655 INFO L263 TraceCheckUtils]: 28: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4671#true} is VALID [2020-07-11 00:49:24,655 INFO L280 TraceCheckUtils]: 29: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:49:24,655 INFO L280 TraceCheckUtils]: 30: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-11 00:49:24,655 INFO L280 TraceCheckUtils]: 31: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-11 00:49:24,656 INFO L280 TraceCheckUtils]: 32: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-11 00:49:24,656 INFO L280 TraceCheckUtils]: 33: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:49:24,657 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {4671#true} {4807#(<= 3 |fibo2_#in~n|)} #67#return; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,657 INFO L280 TraceCheckUtils]: 35: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,658 INFO L280 TraceCheckUtils]: 36: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,658 INFO L280 TraceCheckUtils]: 37: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} havoc #t~ret2; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,659 INFO L280 TraceCheckUtils]: 38: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} havoc #t~ret3; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,659 INFO L280 TraceCheckUtils]: 39: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} assume true; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,660 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {4807#(<= 3 |fibo2_#in~n|)} {4671#true} #69#return; {4776#(<= 4 fibo1_~n)} is VALID [2020-07-11 00:49:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:24,681 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} ~n := #in~n; {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,682 INFO L280 TraceCheckUtils]: 1: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,682 INFO L280 TraceCheckUtils]: 2: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:49:24,683 INFO L280 TraceCheckUtils]: 3: Hoare triple {4828#(<= |fibo2_#in~n| 1)} #res := 1; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:49:24,683 INFO L280 TraceCheckUtils]: 4: Hoare triple {4828#(<= |fibo2_#in~n| 1)} assume true; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:49:24,684 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {4828#(<= |fibo2_#in~n| 1)} {4776#(<= 4 fibo1_~n)} #71#return; {4672#false} is VALID [2020-07-11 00:49:24,685 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:49:24,685 INFO L280 TraceCheckUtils]: 1: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-11 00:49:24,685 INFO L280 TraceCheckUtils]: 2: Hoare triple {4671#true} assume !(1 == ~n); {4671#true} is VALID [2020-07-11 00:49:24,685 INFO L263 TraceCheckUtils]: 3: Hoare triple {4671#true} call #t~ret0 := fibo2(~n - 1); {4671#true} is VALID [2020-07-11 00:49:24,686 INFO L280 TraceCheckUtils]: 4: Hoare triple {4671#true} ~n := #in~n; {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,686 INFO L280 TraceCheckUtils]: 5: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,687 INFO L280 TraceCheckUtils]: 6: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,687 INFO L263 TraceCheckUtils]: 7: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4671#true} is VALID [2020-07-11 00:49:24,687 INFO L280 TraceCheckUtils]: 8: Hoare triple {4671#true} ~n := #in~n; {4814#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,688 INFO L280 TraceCheckUtils]: 9: Hoare triple {4814#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {4815#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-11 00:49:24,689 INFO L280 TraceCheckUtils]: 10: Hoare triple {4815#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,689 INFO L263 TraceCheckUtils]: 11: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4671#true} is VALID [2020-07-11 00:49:24,689 INFO L280 TraceCheckUtils]: 12: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:49:24,689 INFO L280 TraceCheckUtils]: 13: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-11 00:49:24,689 INFO L280 TraceCheckUtils]: 14: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-11 00:49:24,690 INFO L280 TraceCheckUtils]: 15: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-11 00:49:24,690 INFO L280 TraceCheckUtils]: 16: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:49:24,691 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #69#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,691 INFO L280 TraceCheckUtils]: 18: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,691 INFO L263 TraceCheckUtils]: 19: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4671#true} is VALID [2020-07-11 00:49:24,691 INFO L280 TraceCheckUtils]: 20: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:49:24,691 INFO L280 TraceCheckUtils]: 21: Hoare triple {4671#true} assume ~n < 1; {4671#true} is VALID [2020-07-11 00:49:24,691 INFO L280 TraceCheckUtils]: 22: Hoare triple {4671#true} #res := 0; {4671#true} is VALID [2020-07-11 00:49:24,692 INFO L280 TraceCheckUtils]: 23: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:49:24,692 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #71#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,693 INFO L280 TraceCheckUtils]: 25: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,693 INFO L280 TraceCheckUtils]: 26: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,693 INFO L280 TraceCheckUtils]: 27: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,694 INFO L280 TraceCheckUtils]: 28: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,694 INFO L280 TraceCheckUtils]: 29: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume true; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,695 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {4816#(<= 2 |fibo1_#in~n|)} {4783#(= fibo2_~n |fibo2_#in~n|)} #65#return; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,696 INFO L280 TraceCheckUtils]: 31: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,696 INFO L263 TraceCheckUtils]: 32: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4671#true} is VALID [2020-07-11 00:49:24,696 INFO L280 TraceCheckUtils]: 33: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:49:24,696 INFO L280 TraceCheckUtils]: 34: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-11 00:49:24,696 INFO L280 TraceCheckUtils]: 35: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-11 00:49:24,696 INFO L280 TraceCheckUtils]: 36: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-11 00:49:24,697 INFO L280 TraceCheckUtils]: 37: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:49:24,697 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {4671#true} {4807#(<= 3 |fibo2_#in~n|)} #67#return; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,697 INFO L280 TraceCheckUtils]: 39: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,698 INFO L280 TraceCheckUtils]: 40: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,698 INFO L280 TraceCheckUtils]: 41: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} havoc #t~ret2; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,699 INFO L280 TraceCheckUtils]: 42: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} havoc #t~ret3; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,699 INFO L280 TraceCheckUtils]: 43: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} assume true; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,700 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {4807#(<= 3 |fibo2_#in~n|)} {4671#true} #69#return; {4776#(<= 4 fibo1_~n)} is VALID [2020-07-11 00:49:24,700 INFO L280 TraceCheckUtils]: 45: Hoare triple {4776#(<= 4 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4776#(<= 4 fibo1_~n)} is VALID [2020-07-11 00:49:24,700 INFO L263 TraceCheckUtils]: 46: Hoare triple {4776#(<= 4 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {4671#true} is VALID [2020-07-11 00:49:24,701 INFO L280 TraceCheckUtils]: 47: Hoare triple {4671#true} ~n := #in~n; {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,701 INFO L280 TraceCheckUtils]: 48: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,706 INFO L280 TraceCheckUtils]: 49: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:49:24,707 INFO L280 TraceCheckUtils]: 50: Hoare triple {4828#(<= |fibo2_#in~n| 1)} #res := 1; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:49:24,708 INFO L280 TraceCheckUtils]: 51: Hoare triple {4828#(<= |fibo2_#in~n| 1)} assume true; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:49:24,709 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {4828#(<= |fibo2_#in~n| 1)} {4776#(<= 4 fibo1_~n)} #71#return; {4672#false} is VALID [2020-07-11 00:49:24,709 INFO L280 TraceCheckUtils]: 53: Hoare triple {4672#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {4672#false} is VALID [2020-07-11 00:49:24,709 INFO L280 TraceCheckUtils]: 54: Hoare triple {4672#false} #res := #t~ret0 + #t~ret1; {4672#false} is VALID [2020-07-11 00:49:24,709 INFO L280 TraceCheckUtils]: 55: Hoare triple {4672#false} havoc #t~ret1; {4672#false} is VALID [2020-07-11 00:49:24,709 INFO L280 TraceCheckUtils]: 56: Hoare triple {4672#false} havoc #t~ret0; {4672#false} is VALID [2020-07-11 00:49:24,709 INFO L280 TraceCheckUtils]: 57: Hoare triple {4672#false} assume true; {4672#false} is VALID [2020-07-11 00:49:24,710 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {4672#false} {4675#(<= 6 main_~x~0)} #63#return; {4672#false} is VALID [2020-07-11 00:49:24,712 INFO L263 TraceCheckUtils]: 0: Hoare triple {4671#true} call ULTIMATE.init(); {4671#true} is VALID [2020-07-11 00:49:24,712 INFO L280 TraceCheckUtils]: 1: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:49:24,713 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4671#true} {4671#true} #59#return; {4671#true} is VALID [2020-07-11 00:49:24,713 INFO L263 TraceCheckUtils]: 3: Hoare triple {4671#true} call #t~ret5 := main(); {4671#true} is VALID [2020-07-11 00:49:24,714 INFO L280 TraceCheckUtils]: 4: Hoare triple {4671#true} ~x~0 := 6; {4675#(<= 6 main_~x~0)} is VALID [2020-07-11 00:49:24,714 INFO L263 TraceCheckUtils]: 5: Hoare triple {4675#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {4671#true} is VALID [2020-07-11 00:49:24,714 INFO L280 TraceCheckUtils]: 6: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:49:24,714 INFO L280 TraceCheckUtils]: 7: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-11 00:49:24,714 INFO L280 TraceCheckUtils]: 8: Hoare triple {4671#true} assume !(1 == ~n); {4671#true} is VALID [2020-07-11 00:49:24,714 INFO L263 TraceCheckUtils]: 9: Hoare triple {4671#true} call #t~ret0 := fibo2(~n - 1); {4671#true} is VALID [2020-07-11 00:49:24,715 INFO L280 TraceCheckUtils]: 10: Hoare triple {4671#true} ~n := #in~n; {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,715 INFO L280 TraceCheckUtils]: 11: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,716 INFO L280 TraceCheckUtils]: 12: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,716 INFO L263 TraceCheckUtils]: 13: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4671#true} is VALID [2020-07-11 00:49:24,717 INFO L280 TraceCheckUtils]: 14: Hoare triple {4671#true} ~n := #in~n; {4814#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,717 INFO L280 TraceCheckUtils]: 15: Hoare triple {4814#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {4815#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-11 00:49:24,718 INFO L280 TraceCheckUtils]: 16: Hoare triple {4815#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,718 INFO L263 TraceCheckUtils]: 17: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4671#true} is VALID [2020-07-11 00:49:24,718 INFO L280 TraceCheckUtils]: 18: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:49:24,718 INFO L280 TraceCheckUtils]: 19: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-11 00:49:24,719 INFO L280 TraceCheckUtils]: 20: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-11 00:49:24,719 INFO L280 TraceCheckUtils]: 21: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-11 00:49:24,719 INFO L280 TraceCheckUtils]: 22: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:49:24,720 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #69#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,720 INFO L280 TraceCheckUtils]: 24: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,720 INFO L263 TraceCheckUtils]: 25: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4671#true} is VALID [2020-07-11 00:49:24,721 INFO L280 TraceCheckUtils]: 26: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:49:24,721 INFO L280 TraceCheckUtils]: 27: Hoare triple {4671#true} assume ~n < 1; {4671#true} is VALID [2020-07-11 00:49:24,721 INFO L280 TraceCheckUtils]: 28: Hoare triple {4671#true} #res := 0; {4671#true} is VALID [2020-07-11 00:49:24,721 INFO L280 TraceCheckUtils]: 29: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:49:24,722 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #71#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,722 INFO L280 TraceCheckUtils]: 31: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,723 INFO L280 TraceCheckUtils]: 32: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,723 INFO L280 TraceCheckUtils]: 33: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,724 INFO L280 TraceCheckUtils]: 34: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,724 INFO L280 TraceCheckUtils]: 35: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume true; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:24,725 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {4816#(<= 2 |fibo1_#in~n|)} {4783#(= fibo2_~n |fibo2_#in~n|)} #65#return; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,726 INFO L280 TraceCheckUtils]: 37: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,726 INFO L263 TraceCheckUtils]: 38: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4671#true} is VALID [2020-07-11 00:49:24,726 INFO L280 TraceCheckUtils]: 39: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:49:24,726 INFO L280 TraceCheckUtils]: 40: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-11 00:49:24,726 INFO L280 TraceCheckUtils]: 41: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-11 00:49:24,727 INFO L280 TraceCheckUtils]: 42: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-11 00:49:24,727 INFO L280 TraceCheckUtils]: 43: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:49:24,727 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {4671#true} {4807#(<= 3 |fibo2_#in~n|)} #67#return; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,728 INFO L280 TraceCheckUtils]: 45: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,728 INFO L280 TraceCheckUtils]: 46: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,729 INFO L280 TraceCheckUtils]: 47: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} havoc #t~ret2; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,733 INFO L280 TraceCheckUtils]: 48: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} havoc #t~ret3; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,734 INFO L280 TraceCheckUtils]: 49: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} assume true; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,735 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {4807#(<= 3 |fibo2_#in~n|)} {4671#true} #69#return; {4776#(<= 4 fibo1_~n)} is VALID [2020-07-11 00:49:24,736 INFO L280 TraceCheckUtils]: 51: Hoare triple {4776#(<= 4 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4776#(<= 4 fibo1_~n)} is VALID [2020-07-11 00:49:24,736 INFO L263 TraceCheckUtils]: 52: Hoare triple {4776#(<= 4 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {4671#true} is VALID [2020-07-11 00:49:24,736 INFO L280 TraceCheckUtils]: 53: Hoare triple {4671#true} ~n := #in~n; {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,737 INFO L280 TraceCheckUtils]: 54: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:24,737 INFO L280 TraceCheckUtils]: 55: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:49:24,738 INFO L280 TraceCheckUtils]: 56: Hoare triple {4828#(<= |fibo2_#in~n| 1)} #res := 1; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:49:24,738 INFO L280 TraceCheckUtils]: 57: Hoare triple {4828#(<= |fibo2_#in~n| 1)} assume true; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:49:24,739 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {4828#(<= |fibo2_#in~n| 1)} {4776#(<= 4 fibo1_~n)} #71#return; {4672#false} is VALID [2020-07-11 00:49:24,740 INFO L280 TraceCheckUtils]: 59: Hoare triple {4672#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {4672#false} is VALID [2020-07-11 00:49:24,740 INFO L280 TraceCheckUtils]: 60: Hoare triple {4672#false} #res := #t~ret0 + #t~ret1; {4672#false} is VALID [2020-07-11 00:49:24,740 INFO L280 TraceCheckUtils]: 61: Hoare triple {4672#false} havoc #t~ret1; {4672#false} is VALID [2020-07-11 00:49:24,740 INFO L280 TraceCheckUtils]: 62: Hoare triple {4672#false} havoc #t~ret0; {4672#false} is VALID [2020-07-11 00:49:24,740 INFO L280 TraceCheckUtils]: 63: Hoare triple {4672#false} assume true; {4672#false} is VALID [2020-07-11 00:49:24,740 INFO L275 TraceCheckUtils]: 64: Hoare quadruple {4672#false} {4675#(<= 6 main_~x~0)} #63#return; {4672#false} is VALID [2020-07-11 00:49:24,741 INFO L280 TraceCheckUtils]: 65: Hoare triple {4672#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {4672#false} is VALID [2020-07-11 00:49:24,741 INFO L280 TraceCheckUtils]: 66: Hoare triple {4672#false} ~result~0 := #t~ret4; {4672#false} is VALID [2020-07-11 00:49:24,741 INFO L280 TraceCheckUtils]: 67: Hoare triple {4672#false} havoc #t~ret4; {4672#false} is VALID [2020-07-11 00:49:24,741 INFO L280 TraceCheckUtils]: 68: Hoare triple {4672#false} assume 8 == ~result~0; {4672#false} is VALID [2020-07-11 00:49:24,741 INFO L280 TraceCheckUtils]: 69: Hoare triple {4672#false} assume !false; {4672#false} is VALID [2020-07-11 00:49:24,745 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 23 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-07-11 00:49:24,746 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1344762098] [2020-07-11 00:49:24,746 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 00:49:24,746 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-07-11 00:49:24,749 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153193614] [2020-07-11 00:49:24,749 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 70 [2020-07-11 00:49:24,750 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:49:24,750 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2020-07-11 00:49:24,824 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:49:24,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-11 00:49:24,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:49:24,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-11 00:49:24,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-07-11 00:49:24,825 INFO L87 Difference]: Start difference. First operand 115 states and 161 transitions. Second operand 10 states. [2020-07-11 00:49:26,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:49:26,003 INFO L93 Difference]: Finished difference Result 257 states and 400 transitions. [2020-07-11 00:49:26,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-11 00:49:26,003 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 70 [2020-07-11 00:49:26,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:49:26,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-11 00:49:26,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 127 transitions. [2020-07-11 00:49:26,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-11 00:49:26,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 127 transitions. [2020-07-11 00:49:26,024 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 127 transitions. [2020-07-11 00:49:26,183 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 127 edges. 127 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:49:26,190 INFO L225 Difference]: With dead ends: 257 [2020-07-11 00:49:26,190 INFO L226 Difference]: Without dead ends: 151 [2020-07-11 00:49:26,192 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-07-11 00:49:26,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-07-11 00:49:26,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 133. [2020-07-11 00:49:26,506 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:49:26,506 INFO L82 GeneralOperation]: Start isEquivalent. First operand 151 states. Second operand 133 states. [2020-07-11 00:49:26,506 INFO L74 IsIncluded]: Start isIncluded. First operand 151 states. Second operand 133 states. [2020-07-11 00:49:26,506 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 133 states. [2020-07-11 00:49:26,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:49:26,519 INFO L93 Difference]: Finished difference Result 151 states and 217 transitions. [2020-07-11 00:49:26,519 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 217 transitions. [2020-07-11 00:49:26,521 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:49:26,521 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:49:26,521 INFO L74 IsIncluded]: Start isIncluded. First operand 133 states. Second operand 151 states. [2020-07-11 00:49:26,521 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 151 states. [2020-07-11 00:49:26,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:49:26,529 INFO L93 Difference]: Finished difference Result 151 states and 217 transitions. [2020-07-11 00:49:26,529 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 217 transitions. [2020-07-11 00:49:26,531 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:49:26,531 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:49:26,531 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:49:26,531 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:49:26,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-07-11 00:49:26,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 191 transitions. [2020-07-11 00:49:26,538 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 191 transitions. Word has length 70 [2020-07-11 00:49:26,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:49:26,539 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 191 transitions. [2020-07-11 00:49:26,539 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-11 00:49:26,539 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 133 states and 191 transitions. [2020-07-11 00:49:26,798 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 191 edges. 191 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:49:26,798 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 191 transitions. [2020-07-11 00:49:26,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-07-11 00:49:26,802 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:49:26,802 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 00:49:26,802 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-11 00:49:26,802 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:49:26,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:49:26,803 INFO L82 PathProgramCache]: Analyzing trace with hash 307755032, now seen corresponding path program 2 times [2020-07-11 00:49:26,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:49:26,803 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [752792686] [2020-07-11 00:49:26,803 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:49:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:26,846 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:49:26,846 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {5924#true} {5924#true} #59#return; {5924#true} is VALID [2020-07-11 00:49:26,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:26,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:27,017 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,018 INFO L280 TraceCheckUtils]: 1: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,019 INFO L280 TraceCheckUtils]: 2: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:49:27,019 INFO L280 TraceCheckUtils]: 3: Hoare triple {6150#(<= |fibo2_#in~n| 1)} #res := 1; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:49:27,020 INFO L280 TraceCheckUtils]: 4: Hoare triple {6150#(<= |fibo2_#in~n| 1)} assume true; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:49:27,021 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {6150#(<= |fibo2_#in~n| 1)} {6137#(= fibo1_~n |fibo1_#in~n|)} #69#return; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:27,030 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:49:27,030 INFO L280 TraceCheckUtils]: 1: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-11 00:49:27,030 INFO L280 TraceCheckUtils]: 2: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-11 00:49:27,053 INFO L280 TraceCheckUtils]: 3: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:49:27,056 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {5924#true} {6144#(<= |fibo1_#in~n| 2)} #71#return; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:27,057 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,057 INFO L280 TraceCheckUtils]: 1: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,058 INFO L280 TraceCheckUtils]: 2: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,058 INFO L263 TraceCheckUtils]: 3: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-11 00:49:27,059 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,059 INFO L280 TraceCheckUtils]: 5: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,060 INFO L280 TraceCheckUtils]: 6: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:49:27,061 INFO L280 TraceCheckUtils]: 7: Hoare triple {6150#(<= |fibo2_#in~n| 1)} #res := 1; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:49:27,061 INFO L280 TraceCheckUtils]: 8: Hoare triple {6150#(<= |fibo2_#in~n| 1)} assume true; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:49:27,063 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {6150#(<= |fibo2_#in~n| 1)} {6137#(= fibo1_~n |fibo1_#in~n|)} #69#return; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:27,063 INFO L280 TraceCheckUtils]: 10: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:27,063 INFO L263 TraceCheckUtils]: 11: Hoare triple {6144#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-11 00:49:27,064 INFO L280 TraceCheckUtils]: 12: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:49:27,064 INFO L280 TraceCheckUtils]: 13: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-11 00:49:27,064 INFO L280 TraceCheckUtils]: 14: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-11 00:49:27,064 INFO L280 TraceCheckUtils]: 15: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:49:27,065 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {5924#true} {6144#(<= |fibo1_#in~n| 2)} #71#return; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:27,066 INFO L280 TraceCheckUtils]: 17: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:27,067 INFO L280 TraceCheckUtils]: 18: Hoare triple {6144#(<= |fibo1_#in~n| 2)} #res := #t~ret0 + #t~ret1; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:27,067 INFO L280 TraceCheckUtils]: 19: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret1; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:27,068 INFO L280 TraceCheckUtils]: 20: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret0; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:27,068 INFO L280 TraceCheckUtils]: 21: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume true; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:27,069 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {6144#(<= |fibo1_#in~n| 2)} {6106#(= fibo2_~n |fibo2_#in~n|)} #65#return; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:49:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:27,080 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:49:27,080 INFO L280 TraceCheckUtils]: 1: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:49:27,080 INFO L280 TraceCheckUtils]: 2: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-11 00:49:27,081 INFO L280 TraceCheckUtils]: 3: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-11 00:49:27,081 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:49:27,085 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {5924#true} {6130#(<= |fibo2_#in~n| 3)} #67#return; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:49:27,086 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,086 INFO L280 TraceCheckUtils]: 1: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,087 INFO L280 TraceCheckUtils]: 2: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,087 INFO L263 TraceCheckUtils]: 3: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {5924#true} is VALID [2020-07-11 00:49:27,087 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,088 INFO L280 TraceCheckUtils]: 5: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,088 INFO L280 TraceCheckUtils]: 6: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,088 INFO L263 TraceCheckUtils]: 7: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-11 00:49:27,089 INFO L280 TraceCheckUtils]: 8: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,089 INFO L280 TraceCheckUtils]: 9: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,090 INFO L280 TraceCheckUtils]: 10: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:49:27,090 INFO L280 TraceCheckUtils]: 11: Hoare triple {6150#(<= |fibo2_#in~n| 1)} #res := 1; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:49:27,091 INFO L280 TraceCheckUtils]: 12: Hoare triple {6150#(<= |fibo2_#in~n| 1)} assume true; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:49:27,092 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {6150#(<= |fibo2_#in~n| 1)} {6137#(= fibo1_~n |fibo1_#in~n|)} #69#return; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:27,093 INFO L280 TraceCheckUtils]: 14: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:27,093 INFO L263 TraceCheckUtils]: 15: Hoare triple {6144#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-11 00:49:27,093 INFO L280 TraceCheckUtils]: 16: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:49:27,093 INFO L280 TraceCheckUtils]: 17: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-11 00:49:27,093 INFO L280 TraceCheckUtils]: 18: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-11 00:49:27,094 INFO L280 TraceCheckUtils]: 19: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:49:27,094 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {5924#true} {6144#(<= |fibo1_#in~n| 2)} #71#return; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:27,095 INFO L280 TraceCheckUtils]: 21: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:27,095 INFO L280 TraceCheckUtils]: 22: Hoare triple {6144#(<= |fibo1_#in~n| 2)} #res := #t~ret0 + #t~ret1; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:27,096 INFO L280 TraceCheckUtils]: 23: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret1; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:27,096 INFO L280 TraceCheckUtils]: 24: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret0; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:27,097 INFO L280 TraceCheckUtils]: 25: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume true; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:27,098 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {6144#(<= |fibo1_#in~n| 2)} {6106#(= fibo2_~n |fibo2_#in~n|)} #65#return; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:49:27,098 INFO L280 TraceCheckUtils]: 27: Hoare triple {6130#(<= |fibo2_#in~n| 3)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:49:27,099 INFO L263 TraceCheckUtils]: 28: Hoare triple {6130#(<= |fibo2_#in~n| 3)} call #t~ret3 := fibo1(~n - 2); {5924#true} is VALID [2020-07-11 00:49:27,099 INFO L280 TraceCheckUtils]: 29: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:49:27,099 INFO L280 TraceCheckUtils]: 30: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:49:27,099 INFO L280 TraceCheckUtils]: 31: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-11 00:49:27,099 INFO L280 TraceCheckUtils]: 32: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-11 00:49:27,100 INFO L280 TraceCheckUtils]: 33: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:49:27,100 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {5924#true} {6130#(<= |fibo2_#in~n| 3)} #67#return; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:49:27,101 INFO L280 TraceCheckUtils]: 35: Hoare triple {6130#(<= |fibo2_#in~n| 3)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:49:27,101 INFO L280 TraceCheckUtils]: 36: Hoare triple {6130#(<= |fibo2_#in~n| 3)} #res := #t~ret2 + #t~ret3; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:49:27,102 INFO L280 TraceCheckUtils]: 37: Hoare triple {6130#(<= |fibo2_#in~n| 3)} havoc #t~ret2; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:49:27,102 INFO L280 TraceCheckUtils]: 38: Hoare triple {6130#(<= |fibo2_#in~n| 3)} havoc #t~ret3; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:49:27,103 INFO L280 TraceCheckUtils]: 39: Hoare triple {6130#(<= |fibo2_#in~n| 3)} assume true; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:49:27,104 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {6130#(<= |fibo2_#in~n| 3)} {5924#true} #69#return; {6064#(<= fibo1_~n 4)} is VALID [2020-07-11 00:49:27,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:27,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:27,201 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:49:27,202 INFO L280 TraceCheckUtils]: 1: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:49:27,202 INFO L280 TraceCheckUtils]: 2: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-11 00:49:27,202 INFO L280 TraceCheckUtils]: 3: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-11 00:49:27,202 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:49:27,203 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #69#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:27,207 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:49:27,208 INFO L280 TraceCheckUtils]: 1: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-11 00:49:27,208 INFO L280 TraceCheckUtils]: 2: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-11 00:49:27,208 INFO L280 TraceCheckUtils]: 3: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:49:27,209 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #71#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,210 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,211 INFO L280 TraceCheckUtils]: 1: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6181#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-11 00:49:27,211 INFO L280 TraceCheckUtils]: 2: Hoare triple {6181#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,212 INFO L263 TraceCheckUtils]: 3: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-11 00:49:27,212 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:49:27,212 INFO L280 TraceCheckUtils]: 5: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:49:27,212 INFO L280 TraceCheckUtils]: 6: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-11 00:49:27,212 INFO L280 TraceCheckUtils]: 7: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-11 00:49:27,213 INFO L280 TraceCheckUtils]: 8: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:49:27,214 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #69#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,214 INFO L280 TraceCheckUtils]: 10: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,214 INFO L263 TraceCheckUtils]: 11: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-11 00:49:27,215 INFO L280 TraceCheckUtils]: 12: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:49:27,215 INFO L280 TraceCheckUtils]: 13: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-11 00:49:27,215 INFO L280 TraceCheckUtils]: 14: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-11 00:49:27,215 INFO L280 TraceCheckUtils]: 15: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:49:27,216 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #71#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,216 INFO L280 TraceCheckUtils]: 17: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,217 INFO L280 TraceCheckUtils]: 18: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,217 INFO L280 TraceCheckUtils]: 19: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,218 INFO L280 TraceCheckUtils]: 20: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,218 INFO L280 TraceCheckUtils]: 21: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume true; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,220 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {6182#(<= 2 |fibo1_#in~n|)} {6106#(= fibo2_~n |fibo2_#in~n|)} #65#return; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:27,224 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:49:27,225 INFO L280 TraceCheckUtils]: 1: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:49:27,225 INFO L280 TraceCheckUtils]: 2: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-11 00:49:27,225 INFO L280 TraceCheckUtils]: 3: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-11 00:49:27,225 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:49:27,226 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {5924#true} {6174#(<= 3 |fibo2_#in~n|)} #67#return; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,227 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,228 INFO L280 TraceCheckUtils]: 1: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,228 INFO L280 TraceCheckUtils]: 2: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,229 INFO L263 TraceCheckUtils]: 3: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {5924#true} is VALID [2020-07-11 00:49:27,229 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,230 INFO L280 TraceCheckUtils]: 5: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6181#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-11 00:49:27,231 INFO L280 TraceCheckUtils]: 6: Hoare triple {6181#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,231 INFO L263 TraceCheckUtils]: 7: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-11 00:49:27,231 INFO L280 TraceCheckUtils]: 8: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:49:27,231 INFO L280 TraceCheckUtils]: 9: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:49:27,232 INFO L280 TraceCheckUtils]: 10: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-11 00:49:27,232 INFO L280 TraceCheckUtils]: 11: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-11 00:49:27,232 INFO L280 TraceCheckUtils]: 12: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:49:27,233 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #69#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,233 INFO L280 TraceCheckUtils]: 14: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,234 INFO L263 TraceCheckUtils]: 15: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-11 00:49:27,234 INFO L280 TraceCheckUtils]: 16: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:49:27,234 INFO L280 TraceCheckUtils]: 17: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-11 00:49:27,234 INFO L280 TraceCheckUtils]: 18: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-11 00:49:27,234 INFO L280 TraceCheckUtils]: 19: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:49:27,235 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #71#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,236 INFO L280 TraceCheckUtils]: 21: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,237 INFO L280 TraceCheckUtils]: 22: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,237 INFO L280 TraceCheckUtils]: 23: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,238 INFO L280 TraceCheckUtils]: 24: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,239 INFO L280 TraceCheckUtils]: 25: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume true; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,240 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {6182#(<= 2 |fibo1_#in~n|)} {6106#(= fibo2_~n |fibo2_#in~n|)} #65#return; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,240 INFO L280 TraceCheckUtils]: 27: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,241 INFO L263 TraceCheckUtils]: 28: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {5924#true} is VALID [2020-07-11 00:49:27,241 INFO L280 TraceCheckUtils]: 29: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:49:27,241 INFO L280 TraceCheckUtils]: 30: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:49:27,241 INFO L280 TraceCheckUtils]: 31: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-11 00:49:27,241 INFO L280 TraceCheckUtils]: 32: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-11 00:49:27,242 INFO L280 TraceCheckUtils]: 33: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:49:27,243 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {5924#true} {6174#(<= 3 |fibo2_#in~n|)} #67#return; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,243 INFO L280 TraceCheckUtils]: 35: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,244 INFO L280 TraceCheckUtils]: 36: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,244 INFO L280 TraceCheckUtils]: 37: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} havoc #t~ret2; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,245 INFO L280 TraceCheckUtils]: 38: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} havoc #t~ret3; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,245 INFO L280 TraceCheckUtils]: 39: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} assume true; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,246 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {6174#(<= 3 |fibo2_#in~n|)} {6064#(<= fibo1_~n 4)} #71#return; {5925#false} is VALID [2020-07-11 00:49:27,248 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:49:27,249 INFO L280 TraceCheckUtils]: 1: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:49:27,249 INFO L280 TraceCheckUtils]: 2: Hoare triple {5924#true} assume !(1 == ~n); {5924#true} is VALID [2020-07-11 00:49:27,249 INFO L263 TraceCheckUtils]: 3: Hoare triple {5924#true} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-11 00:49:27,250 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,250 INFO L280 TraceCheckUtils]: 5: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,251 INFO L280 TraceCheckUtils]: 6: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,251 INFO L263 TraceCheckUtils]: 7: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {5924#true} is VALID [2020-07-11 00:49:27,252 INFO L280 TraceCheckUtils]: 8: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,253 INFO L280 TraceCheckUtils]: 9: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,253 INFO L280 TraceCheckUtils]: 10: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,253 INFO L263 TraceCheckUtils]: 11: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-11 00:49:27,254 INFO L280 TraceCheckUtils]: 12: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,254 INFO L280 TraceCheckUtils]: 13: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,255 INFO L280 TraceCheckUtils]: 14: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:49:27,255 INFO L280 TraceCheckUtils]: 15: Hoare triple {6150#(<= |fibo2_#in~n| 1)} #res := 1; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:49:27,256 INFO L280 TraceCheckUtils]: 16: Hoare triple {6150#(<= |fibo2_#in~n| 1)} assume true; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:49:27,258 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {6150#(<= |fibo2_#in~n| 1)} {6137#(= fibo1_~n |fibo1_#in~n|)} #69#return; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:27,258 INFO L280 TraceCheckUtils]: 18: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:27,259 INFO L263 TraceCheckUtils]: 19: Hoare triple {6144#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-11 00:49:27,259 INFO L280 TraceCheckUtils]: 20: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:49:27,259 INFO L280 TraceCheckUtils]: 21: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-11 00:49:27,259 INFO L280 TraceCheckUtils]: 22: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-11 00:49:27,259 INFO L280 TraceCheckUtils]: 23: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:49:27,260 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {5924#true} {6144#(<= |fibo1_#in~n| 2)} #71#return; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:27,261 INFO L280 TraceCheckUtils]: 25: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:27,261 INFO L280 TraceCheckUtils]: 26: Hoare triple {6144#(<= |fibo1_#in~n| 2)} #res := #t~ret0 + #t~ret1; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:27,262 INFO L280 TraceCheckUtils]: 27: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret1; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:27,267 INFO L280 TraceCheckUtils]: 28: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret0; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:27,267 INFO L280 TraceCheckUtils]: 29: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume true; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:27,268 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {6144#(<= |fibo1_#in~n| 2)} {6106#(= fibo2_~n |fibo2_#in~n|)} #65#return; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:49:27,269 INFO L280 TraceCheckUtils]: 31: Hoare triple {6130#(<= |fibo2_#in~n| 3)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:49:27,269 INFO L263 TraceCheckUtils]: 32: Hoare triple {6130#(<= |fibo2_#in~n| 3)} call #t~ret3 := fibo1(~n - 2); {5924#true} is VALID [2020-07-11 00:49:27,269 INFO L280 TraceCheckUtils]: 33: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:49:27,270 INFO L280 TraceCheckUtils]: 34: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:49:27,270 INFO L280 TraceCheckUtils]: 35: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-11 00:49:27,270 INFO L280 TraceCheckUtils]: 36: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-11 00:49:27,270 INFO L280 TraceCheckUtils]: 37: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:49:27,271 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {5924#true} {6130#(<= |fibo2_#in~n| 3)} #67#return; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:49:27,271 INFO L280 TraceCheckUtils]: 39: Hoare triple {6130#(<= |fibo2_#in~n| 3)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:49:27,272 INFO L280 TraceCheckUtils]: 40: Hoare triple {6130#(<= |fibo2_#in~n| 3)} #res := #t~ret2 + #t~ret3; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:49:27,272 INFO L280 TraceCheckUtils]: 41: Hoare triple {6130#(<= |fibo2_#in~n| 3)} havoc #t~ret2; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:49:27,273 INFO L280 TraceCheckUtils]: 42: Hoare triple {6130#(<= |fibo2_#in~n| 3)} havoc #t~ret3; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:49:27,274 INFO L280 TraceCheckUtils]: 43: Hoare triple {6130#(<= |fibo2_#in~n| 3)} assume true; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:49:27,275 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {6130#(<= |fibo2_#in~n| 3)} {5924#true} #69#return; {6064#(<= fibo1_~n 4)} is VALID [2020-07-11 00:49:27,275 INFO L280 TraceCheckUtils]: 45: Hoare triple {6064#(<= fibo1_~n 4)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6064#(<= fibo1_~n 4)} is VALID [2020-07-11 00:49:27,276 INFO L263 TraceCheckUtils]: 46: Hoare triple {6064#(<= fibo1_~n 4)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-11 00:49:27,276 INFO L280 TraceCheckUtils]: 47: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,277 INFO L280 TraceCheckUtils]: 48: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,277 INFO L280 TraceCheckUtils]: 49: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,278 INFO L263 TraceCheckUtils]: 50: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {5924#true} is VALID [2020-07-11 00:49:27,278 INFO L280 TraceCheckUtils]: 51: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,279 INFO L280 TraceCheckUtils]: 52: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6181#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-11 00:49:27,280 INFO L280 TraceCheckUtils]: 53: Hoare triple {6181#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,280 INFO L263 TraceCheckUtils]: 54: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-11 00:49:27,280 INFO L280 TraceCheckUtils]: 55: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:49:27,280 INFO L280 TraceCheckUtils]: 56: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:49:27,280 INFO L280 TraceCheckUtils]: 57: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-11 00:49:27,281 INFO L280 TraceCheckUtils]: 58: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-11 00:49:27,281 INFO L280 TraceCheckUtils]: 59: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:49:27,282 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #69#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,282 INFO L280 TraceCheckUtils]: 61: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,282 INFO L263 TraceCheckUtils]: 62: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-11 00:49:27,282 INFO L280 TraceCheckUtils]: 63: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:49:27,283 INFO L280 TraceCheckUtils]: 64: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-11 00:49:27,283 INFO L280 TraceCheckUtils]: 65: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-11 00:49:27,283 INFO L280 TraceCheckUtils]: 66: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:49:27,284 INFO L275 TraceCheckUtils]: 67: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #71#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,284 INFO L280 TraceCheckUtils]: 68: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,285 INFO L280 TraceCheckUtils]: 69: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,285 INFO L280 TraceCheckUtils]: 70: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,286 INFO L280 TraceCheckUtils]: 71: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,286 INFO L280 TraceCheckUtils]: 72: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume true; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,287 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {6182#(<= 2 |fibo1_#in~n|)} {6106#(= fibo2_~n |fibo2_#in~n|)} #65#return; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,288 INFO L280 TraceCheckUtils]: 74: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,289 INFO L263 TraceCheckUtils]: 75: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {5924#true} is VALID [2020-07-11 00:49:27,289 INFO L280 TraceCheckUtils]: 76: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:49:27,289 INFO L280 TraceCheckUtils]: 77: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:49:27,289 INFO L280 TraceCheckUtils]: 78: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-11 00:49:27,289 INFO L280 TraceCheckUtils]: 79: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-11 00:49:27,290 INFO L280 TraceCheckUtils]: 80: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:49:27,291 INFO L275 TraceCheckUtils]: 81: Hoare quadruple {5924#true} {6174#(<= 3 |fibo2_#in~n|)} #67#return; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,291 INFO L280 TraceCheckUtils]: 82: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,292 INFO L280 TraceCheckUtils]: 83: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,292 INFO L280 TraceCheckUtils]: 84: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} havoc #t~ret2; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,293 INFO L280 TraceCheckUtils]: 85: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} havoc #t~ret3; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,293 INFO L280 TraceCheckUtils]: 86: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} assume true; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,294 INFO L275 TraceCheckUtils]: 87: Hoare quadruple {6174#(<= 3 |fibo2_#in~n|)} {6064#(<= fibo1_~n 4)} #71#return; {5925#false} is VALID [2020-07-11 00:49:27,294 INFO L280 TraceCheckUtils]: 88: Hoare triple {5925#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {5925#false} is VALID [2020-07-11 00:49:27,295 INFO L280 TraceCheckUtils]: 89: Hoare triple {5925#false} #res := #t~ret0 + #t~ret1; {5925#false} is VALID [2020-07-11 00:49:27,295 INFO L280 TraceCheckUtils]: 90: Hoare triple {5925#false} havoc #t~ret1; {5925#false} is VALID [2020-07-11 00:49:27,295 INFO L280 TraceCheckUtils]: 91: Hoare triple {5925#false} havoc #t~ret0; {5925#false} is VALID [2020-07-11 00:49:27,295 INFO L280 TraceCheckUtils]: 92: Hoare triple {5925#false} assume true; {5925#false} is VALID [2020-07-11 00:49:27,295 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {5925#false} {5928#(<= 6 main_~x~0)} #63#return; {5925#false} is VALID [2020-07-11 00:49:27,302 INFO L263 TraceCheckUtils]: 0: Hoare triple {5924#true} call ULTIMATE.init(); {5924#true} is VALID [2020-07-11 00:49:27,302 INFO L280 TraceCheckUtils]: 1: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:49:27,303 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {5924#true} {5924#true} #59#return; {5924#true} is VALID [2020-07-11 00:49:27,303 INFO L263 TraceCheckUtils]: 3: Hoare triple {5924#true} call #t~ret5 := main(); {5924#true} is VALID [2020-07-11 00:49:27,305 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} ~x~0 := 6; {5928#(<= 6 main_~x~0)} is VALID [2020-07-11 00:49:27,305 INFO L263 TraceCheckUtils]: 5: Hoare triple {5928#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {5924#true} is VALID [2020-07-11 00:49:27,305 INFO L280 TraceCheckUtils]: 6: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:49:27,305 INFO L280 TraceCheckUtils]: 7: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:49:27,305 INFO L280 TraceCheckUtils]: 8: Hoare triple {5924#true} assume !(1 == ~n); {5924#true} is VALID [2020-07-11 00:49:27,306 INFO L263 TraceCheckUtils]: 9: Hoare triple {5924#true} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-11 00:49:27,306 INFO L280 TraceCheckUtils]: 10: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,306 INFO L280 TraceCheckUtils]: 11: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,307 INFO L280 TraceCheckUtils]: 12: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,307 INFO L263 TraceCheckUtils]: 13: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {5924#true} is VALID [2020-07-11 00:49:27,308 INFO L280 TraceCheckUtils]: 14: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,308 INFO L280 TraceCheckUtils]: 15: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,308 INFO L280 TraceCheckUtils]: 16: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,309 INFO L263 TraceCheckUtils]: 17: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-11 00:49:27,309 INFO L280 TraceCheckUtils]: 18: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,310 INFO L280 TraceCheckUtils]: 19: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,310 INFO L280 TraceCheckUtils]: 20: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:49:27,311 INFO L280 TraceCheckUtils]: 21: Hoare triple {6150#(<= |fibo2_#in~n| 1)} #res := 1; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:49:27,312 INFO L280 TraceCheckUtils]: 22: Hoare triple {6150#(<= |fibo2_#in~n| 1)} assume true; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:49:27,313 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {6150#(<= |fibo2_#in~n| 1)} {6137#(= fibo1_~n |fibo1_#in~n|)} #69#return; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:27,314 INFO L280 TraceCheckUtils]: 24: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:27,314 INFO L263 TraceCheckUtils]: 25: Hoare triple {6144#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-11 00:49:27,314 INFO L280 TraceCheckUtils]: 26: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:49:27,314 INFO L280 TraceCheckUtils]: 27: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-11 00:49:27,314 INFO L280 TraceCheckUtils]: 28: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-11 00:49:27,315 INFO L280 TraceCheckUtils]: 29: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:49:27,316 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {5924#true} {6144#(<= |fibo1_#in~n| 2)} #71#return; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:27,316 INFO L280 TraceCheckUtils]: 31: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:27,317 INFO L280 TraceCheckUtils]: 32: Hoare triple {6144#(<= |fibo1_#in~n| 2)} #res := #t~ret0 + #t~ret1; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:27,317 INFO L280 TraceCheckUtils]: 33: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret1; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:27,319 INFO L280 TraceCheckUtils]: 34: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret0; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:27,319 INFO L280 TraceCheckUtils]: 35: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume true; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:49:27,321 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {6144#(<= |fibo1_#in~n| 2)} {6106#(= fibo2_~n |fibo2_#in~n|)} #65#return; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:49:27,321 INFO L280 TraceCheckUtils]: 37: Hoare triple {6130#(<= |fibo2_#in~n| 3)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:49:27,321 INFO L263 TraceCheckUtils]: 38: Hoare triple {6130#(<= |fibo2_#in~n| 3)} call #t~ret3 := fibo1(~n - 2); {5924#true} is VALID [2020-07-11 00:49:27,321 INFO L280 TraceCheckUtils]: 39: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:49:27,322 INFO L280 TraceCheckUtils]: 40: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:49:27,322 INFO L280 TraceCheckUtils]: 41: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-11 00:49:27,322 INFO L280 TraceCheckUtils]: 42: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-11 00:49:27,322 INFO L280 TraceCheckUtils]: 43: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:49:27,323 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {5924#true} {6130#(<= |fibo2_#in~n| 3)} #67#return; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:49:27,324 INFO L280 TraceCheckUtils]: 45: Hoare triple {6130#(<= |fibo2_#in~n| 3)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:49:27,324 INFO L280 TraceCheckUtils]: 46: Hoare triple {6130#(<= |fibo2_#in~n| 3)} #res := #t~ret2 + #t~ret3; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:49:27,324 INFO L280 TraceCheckUtils]: 47: Hoare triple {6130#(<= |fibo2_#in~n| 3)} havoc #t~ret2; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:49:27,325 INFO L280 TraceCheckUtils]: 48: Hoare triple {6130#(<= |fibo2_#in~n| 3)} havoc #t~ret3; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:49:27,325 INFO L280 TraceCheckUtils]: 49: Hoare triple {6130#(<= |fibo2_#in~n| 3)} assume true; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:49:27,326 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {6130#(<= |fibo2_#in~n| 3)} {5924#true} #69#return; {6064#(<= fibo1_~n 4)} is VALID [2020-07-11 00:49:27,327 INFO L280 TraceCheckUtils]: 51: Hoare triple {6064#(<= fibo1_~n 4)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6064#(<= fibo1_~n 4)} is VALID [2020-07-11 00:49:27,327 INFO L263 TraceCheckUtils]: 52: Hoare triple {6064#(<= fibo1_~n 4)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-11 00:49:27,328 INFO L280 TraceCheckUtils]: 53: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,328 INFO L280 TraceCheckUtils]: 54: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,329 INFO L280 TraceCheckUtils]: 55: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,329 INFO L263 TraceCheckUtils]: 56: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {5924#true} is VALID [2020-07-11 00:49:27,329 INFO L280 TraceCheckUtils]: 57: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,330 INFO L280 TraceCheckUtils]: 58: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6181#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-11 00:49:27,331 INFO L280 TraceCheckUtils]: 59: Hoare triple {6181#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,331 INFO L263 TraceCheckUtils]: 60: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-11 00:49:27,331 INFO L280 TraceCheckUtils]: 61: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:49:27,331 INFO L280 TraceCheckUtils]: 62: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:49:27,331 INFO L280 TraceCheckUtils]: 63: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-11 00:49:27,331 INFO L280 TraceCheckUtils]: 64: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-11 00:49:27,332 INFO L280 TraceCheckUtils]: 65: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:49:27,333 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #69#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,333 INFO L280 TraceCheckUtils]: 67: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,333 INFO L263 TraceCheckUtils]: 68: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-11 00:49:27,334 INFO L280 TraceCheckUtils]: 69: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:49:27,334 INFO L280 TraceCheckUtils]: 70: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-11 00:49:27,334 INFO L280 TraceCheckUtils]: 71: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-11 00:49:27,334 INFO L280 TraceCheckUtils]: 72: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:49:27,335 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #71#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,336 INFO L280 TraceCheckUtils]: 74: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,336 INFO L280 TraceCheckUtils]: 75: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,337 INFO L280 TraceCheckUtils]: 76: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,337 INFO L280 TraceCheckUtils]: 77: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,338 INFO L280 TraceCheckUtils]: 78: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume true; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:27,339 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {6182#(<= 2 |fibo1_#in~n|)} {6106#(= fibo2_~n |fibo2_#in~n|)} #65#return; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,339 INFO L280 TraceCheckUtils]: 80: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,340 INFO L263 TraceCheckUtils]: 81: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {5924#true} is VALID [2020-07-11 00:49:27,340 INFO L280 TraceCheckUtils]: 82: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:49:27,340 INFO L280 TraceCheckUtils]: 83: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:49:27,340 INFO L280 TraceCheckUtils]: 84: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-11 00:49:27,340 INFO L280 TraceCheckUtils]: 85: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-11 00:49:27,341 INFO L280 TraceCheckUtils]: 86: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:49:27,343 INFO L275 TraceCheckUtils]: 87: Hoare quadruple {5924#true} {6174#(<= 3 |fibo2_#in~n|)} #67#return; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,343 INFO L280 TraceCheckUtils]: 88: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,344 INFO L280 TraceCheckUtils]: 89: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,344 INFO L280 TraceCheckUtils]: 90: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} havoc #t~ret2; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,345 INFO L280 TraceCheckUtils]: 91: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} havoc #t~ret3; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,345 INFO L280 TraceCheckUtils]: 92: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} assume true; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:27,346 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {6174#(<= 3 |fibo2_#in~n|)} {6064#(<= fibo1_~n 4)} #71#return; {5925#false} is VALID [2020-07-11 00:49:27,347 INFO L280 TraceCheckUtils]: 94: Hoare triple {5925#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {5925#false} is VALID [2020-07-11 00:49:27,347 INFO L280 TraceCheckUtils]: 95: Hoare triple {5925#false} #res := #t~ret0 + #t~ret1; {5925#false} is VALID [2020-07-11 00:49:27,347 INFO L280 TraceCheckUtils]: 96: Hoare triple {5925#false} havoc #t~ret1; {5925#false} is VALID [2020-07-11 00:49:27,347 INFO L280 TraceCheckUtils]: 97: Hoare triple {5925#false} havoc #t~ret0; {5925#false} is VALID [2020-07-11 00:49:27,347 INFO L280 TraceCheckUtils]: 98: Hoare triple {5925#false} assume true; {5925#false} is VALID [2020-07-11 00:49:27,347 INFO L275 TraceCheckUtils]: 99: Hoare quadruple {5925#false} {5928#(<= 6 main_~x~0)} #63#return; {5925#false} is VALID [2020-07-11 00:49:27,348 INFO L280 TraceCheckUtils]: 100: Hoare triple {5925#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {5925#false} is VALID [2020-07-11 00:49:27,348 INFO L280 TraceCheckUtils]: 101: Hoare triple {5925#false} ~result~0 := #t~ret4; {5925#false} is VALID [2020-07-11 00:49:27,348 INFO L280 TraceCheckUtils]: 102: Hoare triple {5925#false} havoc #t~ret4; {5925#false} is VALID [2020-07-11 00:49:27,348 INFO L280 TraceCheckUtils]: 103: Hoare triple {5925#false} assume 8 == ~result~0; {5925#false} is VALID [2020-07-11 00:49:27,348 INFO L280 TraceCheckUtils]: 104: Hoare triple {5925#false} assume !false; {5925#false} is VALID [2020-07-11 00:49:27,357 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 36 proven. 59 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-07-11 00:49:27,357 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [752792686] [2020-07-11 00:49:27,357 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 00:49:27,357 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-07-11 00:49:27,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931380757] [2020-07-11 00:49:27,359 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 105 [2020-07-11 00:49:27,360 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:49:27,360 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states. [2020-07-11 00:49:27,439 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 85 edges. 85 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:49:27,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-11 00:49:27,440 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:49:27,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-11 00:49:27,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-11 00:49:27,440 INFO L87 Difference]: Start difference. First operand 133 states and 191 transitions. Second operand 12 states. [2020-07-11 00:49:29,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:49:29,120 INFO L93 Difference]: Finished difference Result 265 states and 420 transitions. [2020-07-11 00:49:29,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-11 00:49:29,121 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 105 [2020-07-11 00:49:29,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:49:29,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-07-11 00:49:29,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 175 transitions. [2020-07-11 00:49:29,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-07-11 00:49:29,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 175 transitions. [2020-07-11 00:49:29,132 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states and 175 transitions. [2020-07-11 00:49:29,382 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 175 edges. 175 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:49:29,393 INFO L225 Difference]: With dead ends: 265 [2020-07-11 00:49:29,393 INFO L226 Difference]: Without dead ends: 116 [2020-07-11 00:49:29,398 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2020-07-11 00:49:29,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-07-11 00:49:29,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 95. [2020-07-11 00:49:29,652 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:49:29,653 INFO L82 GeneralOperation]: Start isEquivalent. First operand 116 states. Second operand 95 states. [2020-07-11 00:49:29,653 INFO L74 IsIncluded]: Start isIncluded. First operand 116 states. Second operand 95 states. [2020-07-11 00:49:29,653 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 95 states. [2020-07-11 00:49:29,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:49:29,658 INFO L93 Difference]: Finished difference Result 116 states and 145 transitions. [2020-07-11 00:49:29,658 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 145 transitions. [2020-07-11 00:49:29,659 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:49:29,659 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:49:29,659 INFO L74 IsIncluded]: Start isIncluded. First operand 95 states. Second operand 116 states. [2020-07-11 00:49:29,660 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 116 states. [2020-07-11 00:49:29,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:49:29,665 INFO L93 Difference]: Finished difference Result 116 states and 145 transitions. [2020-07-11 00:49:29,665 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 145 transitions. [2020-07-11 00:49:29,666 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:49:29,666 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:49:29,666 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:49:29,666 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:49:29,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-07-11 00:49:29,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 117 transitions. [2020-07-11 00:49:29,670 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 117 transitions. Word has length 105 [2020-07-11 00:49:29,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:49:29,671 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 117 transitions. [2020-07-11 00:49:29,671 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-11 00:49:29,671 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 95 states and 117 transitions. [2020-07-11 00:49:29,879 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 117 edges. 117 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:49:29,880 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 117 transitions. [2020-07-11 00:49:29,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-07-11 00:49:29,882 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:49:29,882 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 00:49:29,882 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-11 00:49:29,882 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:49:29,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:49:29,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1534580400, now seen corresponding path program 1 times [2020-07-11 00:49:29,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:49:29,883 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1892534488] [2020-07-11 00:49:29,883 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:49:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:29,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:29,933 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:29,934 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {7174#true} {7174#true} #59#return; {7174#true} is VALID [2020-07-11 00:49:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:30,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:30,075 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,075 INFO L280 TraceCheckUtils]: 1: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:49:30,075 INFO L280 TraceCheckUtils]: 2: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:49:30,075 INFO L280 TraceCheckUtils]: 3: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:49:30,076 INFO L280 TraceCheckUtils]: 4: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:30,077 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {7174#true} {7472#(<= 2 |fibo2_#in~n|)} #65#return; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:30,081 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,081 INFO L280 TraceCheckUtils]: 1: Hoare triple {7174#true} assume ~n < 1; {7174#true} is VALID [2020-07-11 00:49:30,082 INFO L280 TraceCheckUtils]: 2: Hoare triple {7174#true} #res := 0; {7174#true} is VALID [2020-07-11 00:49:30,082 INFO L280 TraceCheckUtils]: 3: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:30,083 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {7174#true} {7472#(<= 2 |fibo2_#in~n|)} #67#return; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,084 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} ~n := #in~n; {7470#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,085 INFO L280 TraceCheckUtils]: 1: Hoare triple {7470#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {7471#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-11 00:49:30,086 INFO L280 TraceCheckUtils]: 2: Hoare triple {7471#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,086 INFO L263 TraceCheckUtils]: 3: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {7174#true} is VALID [2020-07-11 00:49:30,086 INFO L280 TraceCheckUtils]: 4: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,086 INFO L280 TraceCheckUtils]: 5: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:49:30,087 INFO L280 TraceCheckUtils]: 6: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:49:30,087 INFO L280 TraceCheckUtils]: 7: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:49:30,087 INFO L280 TraceCheckUtils]: 8: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:30,088 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {7174#true} {7472#(<= 2 |fibo2_#in~n|)} #65#return; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,089 INFO L280 TraceCheckUtils]: 10: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,090 INFO L263 TraceCheckUtils]: 11: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {7174#true} is VALID [2020-07-11 00:49:30,090 INFO L280 TraceCheckUtils]: 12: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,090 INFO L280 TraceCheckUtils]: 13: Hoare triple {7174#true} assume ~n < 1; {7174#true} is VALID [2020-07-11 00:49:30,090 INFO L280 TraceCheckUtils]: 14: Hoare triple {7174#true} #res := 0; {7174#true} is VALID [2020-07-11 00:49:30,091 INFO L280 TraceCheckUtils]: 15: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:30,092 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {7174#true} {7472#(<= 2 |fibo2_#in~n|)} #67#return; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,092 INFO L280 TraceCheckUtils]: 17: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,093 INFO L280 TraceCheckUtils]: 18: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,094 INFO L280 TraceCheckUtils]: 19: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,094 INFO L280 TraceCheckUtils]: 20: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,095 INFO L280 TraceCheckUtils]: 21: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} assume true; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,096 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {7472#(<= 2 |fibo2_#in~n|)} {7439#(= fibo1_~n |fibo1_#in~n|)} #69#return; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:30,101 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,102 INFO L280 TraceCheckUtils]: 1: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:49:30,102 INFO L280 TraceCheckUtils]: 2: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:49:30,102 INFO L280 TraceCheckUtils]: 3: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:49:30,103 INFO L280 TraceCheckUtils]: 4: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:30,104 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {7174#true} {7463#(<= 3 |fibo1_#in~n|)} #71#return; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,105 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} ~n := #in~n; {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,105 INFO L280 TraceCheckUtils]: 1: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,106 INFO L280 TraceCheckUtils]: 2: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,106 INFO L263 TraceCheckUtils]: 3: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {7174#true} is VALID [2020-07-11 00:49:30,107 INFO L280 TraceCheckUtils]: 4: Hoare triple {7174#true} ~n := #in~n; {7470#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,107 INFO L280 TraceCheckUtils]: 5: Hoare triple {7470#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {7471#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-11 00:49:30,108 INFO L280 TraceCheckUtils]: 6: Hoare triple {7471#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,108 INFO L263 TraceCheckUtils]: 7: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {7174#true} is VALID [2020-07-11 00:49:30,109 INFO L280 TraceCheckUtils]: 8: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,109 INFO L280 TraceCheckUtils]: 9: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:49:30,109 INFO L280 TraceCheckUtils]: 10: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:49:30,109 INFO L280 TraceCheckUtils]: 11: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:49:30,109 INFO L280 TraceCheckUtils]: 12: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:30,110 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {7174#true} {7472#(<= 2 |fibo2_#in~n|)} #65#return; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,111 INFO L280 TraceCheckUtils]: 14: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,111 INFO L263 TraceCheckUtils]: 15: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {7174#true} is VALID [2020-07-11 00:49:30,111 INFO L280 TraceCheckUtils]: 16: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,112 INFO L280 TraceCheckUtils]: 17: Hoare triple {7174#true} assume ~n < 1; {7174#true} is VALID [2020-07-11 00:49:30,112 INFO L280 TraceCheckUtils]: 18: Hoare triple {7174#true} #res := 0; {7174#true} is VALID [2020-07-11 00:49:30,112 INFO L280 TraceCheckUtils]: 19: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:30,113 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {7174#true} {7472#(<= 2 |fibo2_#in~n|)} #67#return; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,113 INFO L280 TraceCheckUtils]: 21: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,114 INFO L280 TraceCheckUtils]: 22: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,114 INFO L280 TraceCheckUtils]: 23: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,115 INFO L280 TraceCheckUtils]: 24: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,115 INFO L280 TraceCheckUtils]: 25: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} assume true; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,117 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {7472#(<= 2 |fibo2_#in~n|)} {7439#(= fibo1_~n |fibo1_#in~n|)} #69#return; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,117 INFO L280 TraceCheckUtils]: 27: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,117 INFO L263 TraceCheckUtils]: 28: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {7174#true} is VALID [2020-07-11 00:49:30,118 INFO L280 TraceCheckUtils]: 29: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,118 INFO L280 TraceCheckUtils]: 30: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:49:30,118 INFO L280 TraceCheckUtils]: 31: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:49:30,118 INFO L280 TraceCheckUtils]: 32: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:49:30,118 INFO L280 TraceCheckUtils]: 33: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:30,119 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {7174#true} {7463#(<= 3 |fibo1_#in~n|)} #71#return; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,120 INFO L280 TraceCheckUtils]: 35: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,120 INFO L280 TraceCheckUtils]: 36: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,121 INFO L280 TraceCheckUtils]: 37: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} havoc #t~ret1; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,122 INFO L280 TraceCheckUtils]: 38: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} havoc #t~ret0; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,122 INFO L280 TraceCheckUtils]: 39: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} assume true; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,123 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {7463#(<= 3 |fibo1_#in~n|)} {7174#true} #65#return; {7432#(<= 4 fibo2_~n)} is VALID [2020-07-11 00:49:30,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:30,153 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} ~n := #in~n; {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,154 INFO L280 TraceCheckUtils]: 1: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,154 INFO L280 TraceCheckUtils]: 2: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {7484#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:30,155 INFO L280 TraceCheckUtils]: 3: Hoare triple {7484#(<= |fibo1_#in~n| 1)} #res := 1; {7484#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:30,155 INFO L280 TraceCheckUtils]: 4: Hoare triple {7484#(<= |fibo1_#in~n| 1)} assume true; {7484#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:30,157 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {7484#(<= |fibo1_#in~n| 1)} {7432#(<= 4 fibo2_~n)} #67#return; {7175#false} is VALID [2020-07-11 00:49:30,157 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,157 INFO L280 TraceCheckUtils]: 1: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:49:30,157 INFO L280 TraceCheckUtils]: 2: Hoare triple {7174#true} assume !(1 == ~n); {7174#true} is VALID [2020-07-11 00:49:30,157 INFO L263 TraceCheckUtils]: 3: Hoare triple {7174#true} call #t~ret2 := fibo1(~n - 1); {7174#true} is VALID [2020-07-11 00:49:30,158 INFO L280 TraceCheckUtils]: 4: Hoare triple {7174#true} ~n := #in~n; {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,159 INFO L280 TraceCheckUtils]: 5: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,159 INFO L280 TraceCheckUtils]: 6: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,159 INFO L263 TraceCheckUtils]: 7: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {7174#true} is VALID [2020-07-11 00:49:30,160 INFO L280 TraceCheckUtils]: 8: Hoare triple {7174#true} ~n := #in~n; {7470#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,161 INFO L280 TraceCheckUtils]: 9: Hoare triple {7470#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {7471#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-11 00:49:30,161 INFO L280 TraceCheckUtils]: 10: Hoare triple {7471#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,162 INFO L263 TraceCheckUtils]: 11: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {7174#true} is VALID [2020-07-11 00:49:30,162 INFO L280 TraceCheckUtils]: 12: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,162 INFO L280 TraceCheckUtils]: 13: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:49:30,162 INFO L280 TraceCheckUtils]: 14: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:49:30,162 INFO L280 TraceCheckUtils]: 15: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:49:30,163 INFO L280 TraceCheckUtils]: 16: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:30,163 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {7174#true} {7472#(<= 2 |fibo2_#in~n|)} #65#return; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,164 INFO L280 TraceCheckUtils]: 18: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,164 INFO L263 TraceCheckUtils]: 19: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {7174#true} is VALID [2020-07-11 00:49:30,164 INFO L280 TraceCheckUtils]: 20: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,165 INFO L280 TraceCheckUtils]: 21: Hoare triple {7174#true} assume ~n < 1; {7174#true} is VALID [2020-07-11 00:49:30,165 INFO L280 TraceCheckUtils]: 22: Hoare triple {7174#true} #res := 0; {7174#true} is VALID [2020-07-11 00:49:30,165 INFO L280 TraceCheckUtils]: 23: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:30,166 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {7174#true} {7472#(<= 2 |fibo2_#in~n|)} #67#return; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,166 INFO L280 TraceCheckUtils]: 25: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,166 INFO L280 TraceCheckUtils]: 26: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,167 INFO L280 TraceCheckUtils]: 27: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,167 INFO L280 TraceCheckUtils]: 28: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,168 INFO L280 TraceCheckUtils]: 29: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} assume true; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,169 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {7472#(<= 2 |fibo2_#in~n|)} {7439#(= fibo1_~n |fibo1_#in~n|)} #69#return; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,169 INFO L280 TraceCheckUtils]: 31: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,170 INFO L263 TraceCheckUtils]: 32: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {7174#true} is VALID [2020-07-11 00:49:30,170 INFO L280 TraceCheckUtils]: 33: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,170 INFO L280 TraceCheckUtils]: 34: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:49:30,170 INFO L280 TraceCheckUtils]: 35: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:49:30,171 INFO L280 TraceCheckUtils]: 36: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:49:30,171 INFO L280 TraceCheckUtils]: 37: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:30,174 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {7174#true} {7463#(<= 3 |fibo1_#in~n|)} #71#return; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,176 INFO L280 TraceCheckUtils]: 39: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,177 INFO L280 TraceCheckUtils]: 40: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,177 INFO L280 TraceCheckUtils]: 41: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} havoc #t~ret1; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,178 INFO L280 TraceCheckUtils]: 42: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} havoc #t~ret0; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,178 INFO L280 TraceCheckUtils]: 43: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} assume true; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,179 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {7463#(<= 3 |fibo1_#in~n|)} {7174#true} #65#return; {7432#(<= 4 fibo2_~n)} is VALID [2020-07-11 00:49:30,180 INFO L280 TraceCheckUtils]: 45: Hoare triple {7432#(<= 4 fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7432#(<= 4 fibo2_~n)} is VALID [2020-07-11 00:49:30,180 INFO L263 TraceCheckUtils]: 46: Hoare triple {7432#(<= 4 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {7174#true} is VALID [2020-07-11 00:49:30,180 INFO L280 TraceCheckUtils]: 47: Hoare triple {7174#true} ~n := #in~n; {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,180 INFO L280 TraceCheckUtils]: 48: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,181 INFO L280 TraceCheckUtils]: 49: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {7484#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:30,181 INFO L280 TraceCheckUtils]: 50: Hoare triple {7484#(<= |fibo1_#in~n| 1)} #res := 1; {7484#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:30,182 INFO L280 TraceCheckUtils]: 51: Hoare triple {7484#(<= |fibo1_#in~n| 1)} assume true; {7484#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:30,182 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {7484#(<= |fibo1_#in~n| 1)} {7432#(<= 4 fibo2_~n)} #67#return; {7175#false} is VALID [2020-07-11 00:49:30,183 INFO L280 TraceCheckUtils]: 53: Hoare triple {7175#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7175#false} is VALID [2020-07-11 00:49:30,183 INFO L280 TraceCheckUtils]: 54: Hoare triple {7175#false} #res := #t~ret2 + #t~ret3; {7175#false} is VALID [2020-07-11 00:49:30,183 INFO L280 TraceCheckUtils]: 55: Hoare triple {7175#false} havoc #t~ret2; {7175#false} is VALID [2020-07-11 00:49:30,183 INFO L280 TraceCheckUtils]: 56: Hoare triple {7175#false} havoc #t~ret3; {7175#false} is VALID [2020-07-11 00:49:30,183 INFO L280 TraceCheckUtils]: 57: Hoare triple {7175#false} assume true; {7175#false} is VALID [2020-07-11 00:49:30,183 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {7175#false} {7174#true} #69#return; {7175#false} is VALID [2020-07-11 00:49:30,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:30,208 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,208 INFO L280 TraceCheckUtils]: 1: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:49:30,208 INFO L280 TraceCheckUtils]: 2: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:49:30,209 INFO L280 TraceCheckUtils]: 3: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:49:30,209 INFO L280 TraceCheckUtils]: 4: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:30,209 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {7174#true} {7174#true} #69#return; {7174#true} is VALID [2020-07-11 00:49:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:30,214 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,214 INFO L280 TraceCheckUtils]: 1: Hoare triple {7174#true} assume ~n < 1; {7174#true} is VALID [2020-07-11 00:49:30,214 INFO L280 TraceCheckUtils]: 2: Hoare triple {7174#true} #res := 0; {7174#true} is VALID [2020-07-11 00:49:30,215 INFO L280 TraceCheckUtils]: 3: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:30,215 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {7174#true} {7174#true} #71#return; {7174#true} is VALID [2020-07-11 00:49:30,215 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,215 INFO L280 TraceCheckUtils]: 1: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:49:30,216 INFO L280 TraceCheckUtils]: 2: Hoare triple {7174#true} assume !(1 == ~n); {7174#true} is VALID [2020-07-11 00:49:30,216 INFO L263 TraceCheckUtils]: 3: Hoare triple {7174#true} call #t~ret0 := fibo2(~n - 1); {7174#true} is VALID [2020-07-11 00:49:30,216 INFO L280 TraceCheckUtils]: 4: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,216 INFO L280 TraceCheckUtils]: 5: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:49:30,216 INFO L280 TraceCheckUtils]: 6: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:49:30,217 INFO L280 TraceCheckUtils]: 7: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:49:30,217 INFO L280 TraceCheckUtils]: 8: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:30,217 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {7174#true} {7174#true} #69#return; {7174#true} is VALID [2020-07-11 00:49:30,217 INFO L280 TraceCheckUtils]: 10: Hoare triple {7174#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7174#true} is VALID [2020-07-11 00:49:30,217 INFO L263 TraceCheckUtils]: 11: Hoare triple {7174#true} call #t~ret1 := fibo2(~n - 2); {7174#true} is VALID [2020-07-11 00:49:30,218 INFO L280 TraceCheckUtils]: 12: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,218 INFO L280 TraceCheckUtils]: 13: Hoare triple {7174#true} assume ~n < 1; {7174#true} is VALID [2020-07-11 00:49:30,218 INFO L280 TraceCheckUtils]: 14: Hoare triple {7174#true} #res := 0; {7174#true} is VALID [2020-07-11 00:49:30,218 INFO L280 TraceCheckUtils]: 15: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:30,219 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {7174#true} {7174#true} #71#return; {7174#true} is VALID [2020-07-11 00:49:30,219 INFO L280 TraceCheckUtils]: 17: Hoare triple {7174#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {7174#true} is VALID [2020-07-11 00:49:30,219 INFO L280 TraceCheckUtils]: 18: Hoare triple {7174#true} #res := #t~ret0 + #t~ret1; {7174#true} is VALID [2020-07-11 00:49:30,219 INFO L280 TraceCheckUtils]: 19: Hoare triple {7174#true} havoc #t~ret1; {7174#true} is VALID [2020-07-11 00:49:30,219 INFO L280 TraceCheckUtils]: 20: Hoare triple {7174#true} havoc #t~ret0; {7174#true} is VALID [2020-07-11 00:49:30,220 INFO L280 TraceCheckUtils]: 21: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:30,220 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {7174#true} {7174#true} #65#return; {7174#true} is VALID [2020-07-11 00:49:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:30,225 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,226 INFO L280 TraceCheckUtils]: 1: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:49:30,226 INFO L280 TraceCheckUtils]: 2: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:49:30,226 INFO L280 TraceCheckUtils]: 3: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:49:30,226 INFO L280 TraceCheckUtils]: 4: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:30,226 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {7174#true} {7174#true} #67#return; {7174#true} is VALID [2020-07-11 00:49:30,227 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,227 INFO L280 TraceCheckUtils]: 1: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:49:30,227 INFO L280 TraceCheckUtils]: 2: Hoare triple {7174#true} assume !(1 == ~n); {7174#true} is VALID [2020-07-11 00:49:30,227 INFO L263 TraceCheckUtils]: 3: Hoare triple {7174#true} call #t~ret2 := fibo1(~n - 1); {7174#true} is VALID [2020-07-11 00:49:30,227 INFO L280 TraceCheckUtils]: 4: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,228 INFO L280 TraceCheckUtils]: 5: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:49:30,228 INFO L280 TraceCheckUtils]: 6: Hoare triple {7174#true} assume !(1 == ~n); {7174#true} is VALID [2020-07-11 00:49:30,228 INFO L263 TraceCheckUtils]: 7: Hoare triple {7174#true} call #t~ret0 := fibo2(~n - 1); {7174#true} is VALID [2020-07-11 00:49:30,228 INFO L280 TraceCheckUtils]: 8: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,228 INFO L280 TraceCheckUtils]: 9: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:49:30,229 INFO L280 TraceCheckUtils]: 10: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:49:30,229 INFO L280 TraceCheckUtils]: 11: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:49:30,229 INFO L280 TraceCheckUtils]: 12: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:30,229 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {7174#true} {7174#true} #69#return; {7174#true} is VALID [2020-07-11 00:49:30,229 INFO L280 TraceCheckUtils]: 14: Hoare triple {7174#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7174#true} is VALID [2020-07-11 00:49:30,229 INFO L263 TraceCheckUtils]: 15: Hoare triple {7174#true} call #t~ret1 := fibo2(~n - 2); {7174#true} is VALID [2020-07-11 00:49:30,230 INFO L280 TraceCheckUtils]: 16: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,230 INFO L280 TraceCheckUtils]: 17: Hoare triple {7174#true} assume ~n < 1; {7174#true} is VALID [2020-07-11 00:49:30,230 INFO L280 TraceCheckUtils]: 18: Hoare triple {7174#true} #res := 0; {7174#true} is VALID [2020-07-11 00:49:30,230 INFO L280 TraceCheckUtils]: 19: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:30,230 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {7174#true} {7174#true} #71#return; {7174#true} is VALID [2020-07-11 00:49:30,231 INFO L280 TraceCheckUtils]: 21: Hoare triple {7174#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {7174#true} is VALID [2020-07-11 00:49:30,231 INFO L280 TraceCheckUtils]: 22: Hoare triple {7174#true} #res := #t~ret0 + #t~ret1; {7174#true} is VALID [2020-07-11 00:49:30,231 INFO L280 TraceCheckUtils]: 23: Hoare triple {7174#true} havoc #t~ret1; {7174#true} is VALID [2020-07-11 00:49:30,231 INFO L280 TraceCheckUtils]: 24: Hoare triple {7174#true} havoc #t~ret0; {7174#true} is VALID [2020-07-11 00:49:30,231 INFO L280 TraceCheckUtils]: 25: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:30,231 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {7174#true} {7174#true} #65#return; {7174#true} is VALID [2020-07-11 00:49:30,232 INFO L280 TraceCheckUtils]: 27: Hoare triple {7174#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7174#true} is VALID [2020-07-11 00:49:30,232 INFO L263 TraceCheckUtils]: 28: Hoare triple {7174#true} call #t~ret3 := fibo1(~n - 2); {7174#true} is VALID [2020-07-11 00:49:30,232 INFO L280 TraceCheckUtils]: 29: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,232 INFO L280 TraceCheckUtils]: 30: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:49:30,232 INFO L280 TraceCheckUtils]: 31: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:49:30,233 INFO L280 TraceCheckUtils]: 32: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:49:30,233 INFO L280 TraceCheckUtils]: 33: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:30,233 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {7174#true} {7174#true} #67#return; {7174#true} is VALID [2020-07-11 00:49:30,233 INFO L280 TraceCheckUtils]: 35: Hoare triple {7174#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7174#true} is VALID [2020-07-11 00:49:30,233 INFO L280 TraceCheckUtils]: 36: Hoare triple {7174#true} #res := #t~ret2 + #t~ret3; {7174#true} is VALID [2020-07-11 00:49:30,234 INFO L280 TraceCheckUtils]: 37: Hoare triple {7174#true} havoc #t~ret2; {7174#true} is VALID [2020-07-11 00:49:30,234 INFO L280 TraceCheckUtils]: 38: Hoare triple {7174#true} havoc #t~ret3; {7174#true} is VALID [2020-07-11 00:49:30,234 INFO L280 TraceCheckUtils]: 39: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:30,234 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {7174#true} {7175#false} #71#return; {7175#false} is VALID [2020-07-11 00:49:30,235 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,235 INFO L280 TraceCheckUtils]: 1: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:49:30,236 INFO L280 TraceCheckUtils]: 2: Hoare triple {7174#true} assume !(1 == ~n); {7174#true} is VALID [2020-07-11 00:49:30,236 INFO L263 TraceCheckUtils]: 3: Hoare triple {7174#true} call #t~ret0 := fibo2(~n - 1); {7174#true} is VALID [2020-07-11 00:49:30,236 INFO L280 TraceCheckUtils]: 4: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,236 INFO L280 TraceCheckUtils]: 5: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:49:30,236 INFO L280 TraceCheckUtils]: 6: Hoare triple {7174#true} assume !(1 == ~n); {7174#true} is VALID [2020-07-11 00:49:30,237 INFO L263 TraceCheckUtils]: 7: Hoare triple {7174#true} call #t~ret2 := fibo1(~n - 1); {7174#true} is VALID [2020-07-11 00:49:30,237 INFO L280 TraceCheckUtils]: 8: Hoare triple {7174#true} ~n := #in~n; {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,238 INFO L280 TraceCheckUtils]: 9: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,238 INFO L280 TraceCheckUtils]: 10: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,239 INFO L263 TraceCheckUtils]: 11: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {7174#true} is VALID [2020-07-11 00:49:30,239 INFO L280 TraceCheckUtils]: 12: Hoare triple {7174#true} ~n := #in~n; {7470#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,240 INFO L280 TraceCheckUtils]: 13: Hoare triple {7470#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {7471#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-11 00:49:30,241 INFO L280 TraceCheckUtils]: 14: Hoare triple {7471#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,241 INFO L263 TraceCheckUtils]: 15: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {7174#true} is VALID [2020-07-11 00:49:30,241 INFO L280 TraceCheckUtils]: 16: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,241 INFO L280 TraceCheckUtils]: 17: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:49:30,241 INFO L280 TraceCheckUtils]: 18: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:49:30,242 INFO L280 TraceCheckUtils]: 19: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:49:30,242 INFO L280 TraceCheckUtils]: 20: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:30,243 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {7174#true} {7472#(<= 2 |fibo2_#in~n|)} #65#return; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,243 INFO L280 TraceCheckUtils]: 22: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,243 INFO L263 TraceCheckUtils]: 23: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {7174#true} is VALID [2020-07-11 00:49:30,244 INFO L280 TraceCheckUtils]: 24: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,244 INFO L280 TraceCheckUtils]: 25: Hoare triple {7174#true} assume ~n < 1; {7174#true} is VALID [2020-07-11 00:49:30,244 INFO L280 TraceCheckUtils]: 26: Hoare triple {7174#true} #res := 0; {7174#true} is VALID [2020-07-11 00:49:30,244 INFO L280 TraceCheckUtils]: 27: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:30,245 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {7174#true} {7472#(<= 2 |fibo2_#in~n|)} #67#return; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,246 INFO L280 TraceCheckUtils]: 29: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,246 INFO L280 TraceCheckUtils]: 30: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,247 INFO L280 TraceCheckUtils]: 31: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,247 INFO L280 TraceCheckUtils]: 32: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,247 INFO L280 TraceCheckUtils]: 33: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} assume true; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,249 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {7472#(<= 2 |fibo2_#in~n|)} {7439#(= fibo1_~n |fibo1_#in~n|)} #69#return; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,249 INFO L280 TraceCheckUtils]: 35: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,250 INFO L263 TraceCheckUtils]: 36: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {7174#true} is VALID [2020-07-11 00:49:30,250 INFO L280 TraceCheckUtils]: 37: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,250 INFO L280 TraceCheckUtils]: 38: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:49:30,250 INFO L280 TraceCheckUtils]: 39: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:49:30,250 INFO L280 TraceCheckUtils]: 40: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:49:30,251 INFO L280 TraceCheckUtils]: 41: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:30,255 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {7174#true} {7463#(<= 3 |fibo1_#in~n|)} #71#return; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,258 INFO L280 TraceCheckUtils]: 43: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,259 INFO L280 TraceCheckUtils]: 44: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,259 INFO L280 TraceCheckUtils]: 45: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} havoc #t~ret1; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,260 INFO L280 TraceCheckUtils]: 46: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} havoc #t~ret0; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,260 INFO L280 TraceCheckUtils]: 47: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} assume true; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,261 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {7463#(<= 3 |fibo1_#in~n|)} {7174#true} #65#return; {7432#(<= 4 fibo2_~n)} is VALID [2020-07-11 00:49:30,262 INFO L280 TraceCheckUtils]: 49: Hoare triple {7432#(<= 4 fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7432#(<= 4 fibo2_~n)} is VALID [2020-07-11 00:49:30,262 INFO L263 TraceCheckUtils]: 50: Hoare triple {7432#(<= 4 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {7174#true} is VALID [2020-07-11 00:49:30,263 INFO L280 TraceCheckUtils]: 51: Hoare triple {7174#true} ~n := #in~n; {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,263 INFO L280 TraceCheckUtils]: 52: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,264 INFO L280 TraceCheckUtils]: 53: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {7484#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:30,264 INFO L280 TraceCheckUtils]: 54: Hoare triple {7484#(<= |fibo1_#in~n| 1)} #res := 1; {7484#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:30,265 INFO L280 TraceCheckUtils]: 55: Hoare triple {7484#(<= |fibo1_#in~n| 1)} assume true; {7484#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:30,266 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {7484#(<= |fibo1_#in~n| 1)} {7432#(<= 4 fibo2_~n)} #67#return; {7175#false} is VALID [2020-07-11 00:49:30,266 INFO L280 TraceCheckUtils]: 57: Hoare triple {7175#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7175#false} is VALID [2020-07-11 00:49:30,266 INFO L280 TraceCheckUtils]: 58: Hoare triple {7175#false} #res := #t~ret2 + #t~ret3; {7175#false} is VALID [2020-07-11 00:49:30,267 INFO L280 TraceCheckUtils]: 59: Hoare triple {7175#false} havoc #t~ret2; {7175#false} is VALID [2020-07-11 00:49:30,267 INFO L280 TraceCheckUtils]: 60: Hoare triple {7175#false} havoc #t~ret3; {7175#false} is VALID [2020-07-11 00:49:30,267 INFO L280 TraceCheckUtils]: 61: Hoare triple {7175#false} assume true; {7175#false} is VALID [2020-07-11 00:49:30,267 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {7175#false} {7174#true} #69#return; {7175#false} is VALID [2020-07-11 00:49:30,267 INFO L280 TraceCheckUtils]: 63: Hoare triple {7175#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7175#false} is VALID [2020-07-11 00:49:30,267 INFO L263 TraceCheckUtils]: 64: Hoare triple {7175#false} call #t~ret1 := fibo2(~n - 2); {7174#true} is VALID [2020-07-11 00:49:30,268 INFO L280 TraceCheckUtils]: 65: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,268 INFO L280 TraceCheckUtils]: 66: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:49:30,268 INFO L280 TraceCheckUtils]: 67: Hoare triple {7174#true} assume !(1 == ~n); {7174#true} is VALID [2020-07-11 00:49:30,268 INFO L263 TraceCheckUtils]: 68: Hoare triple {7174#true} call #t~ret2 := fibo1(~n - 1); {7174#true} is VALID [2020-07-11 00:49:30,268 INFO L280 TraceCheckUtils]: 69: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,268 INFO L280 TraceCheckUtils]: 70: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:49:30,269 INFO L280 TraceCheckUtils]: 71: Hoare triple {7174#true} assume !(1 == ~n); {7174#true} is VALID [2020-07-11 00:49:30,269 INFO L263 TraceCheckUtils]: 72: Hoare triple {7174#true} call #t~ret0 := fibo2(~n - 1); {7174#true} is VALID [2020-07-11 00:49:30,269 INFO L280 TraceCheckUtils]: 73: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,269 INFO L280 TraceCheckUtils]: 74: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:49:30,269 INFO L280 TraceCheckUtils]: 75: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:49:30,270 INFO L280 TraceCheckUtils]: 76: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:49:30,270 INFO L280 TraceCheckUtils]: 77: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:30,270 INFO L275 TraceCheckUtils]: 78: Hoare quadruple {7174#true} {7174#true} #69#return; {7174#true} is VALID [2020-07-11 00:49:30,270 INFO L280 TraceCheckUtils]: 79: Hoare triple {7174#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7174#true} is VALID [2020-07-11 00:49:30,270 INFO L263 TraceCheckUtils]: 80: Hoare triple {7174#true} call #t~ret1 := fibo2(~n - 2); {7174#true} is VALID [2020-07-11 00:49:30,270 INFO L280 TraceCheckUtils]: 81: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,271 INFO L280 TraceCheckUtils]: 82: Hoare triple {7174#true} assume ~n < 1; {7174#true} is VALID [2020-07-11 00:49:30,271 INFO L280 TraceCheckUtils]: 83: Hoare triple {7174#true} #res := 0; {7174#true} is VALID [2020-07-11 00:49:30,271 INFO L280 TraceCheckUtils]: 84: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:30,271 INFO L275 TraceCheckUtils]: 85: Hoare quadruple {7174#true} {7174#true} #71#return; {7174#true} is VALID [2020-07-11 00:49:30,271 INFO L280 TraceCheckUtils]: 86: Hoare triple {7174#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {7174#true} is VALID [2020-07-11 00:49:30,272 INFO L280 TraceCheckUtils]: 87: Hoare triple {7174#true} #res := #t~ret0 + #t~ret1; {7174#true} is VALID [2020-07-11 00:49:30,272 INFO L280 TraceCheckUtils]: 88: Hoare triple {7174#true} havoc #t~ret1; {7174#true} is VALID [2020-07-11 00:49:30,272 INFO L280 TraceCheckUtils]: 89: Hoare triple {7174#true} havoc #t~ret0; {7174#true} is VALID [2020-07-11 00:49:30,272 INFO L280 TraceCheckUtils]: 90: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:30,272 INFO L275 TraceCheckUtils]: 91: Hoare quadruple {7174#true} {7174#true} #65#return; {7174#true} is VALID [2020-07-11 00:49:30,272 INFO L280 TraceCheckUtils]: 92: Hoare triple {7174#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7174#true} is VALID [2020-07-11 00:49:30,273 INFO L263 TraceCheckUtils]: 93: Hoare triple {7174#true} call #t~ret3 := fibo1(~n - 2); {7174#true} is VALID [2020-07-11 00:49:30,273 INFO L280 TraceCheckUtils]: 94: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,273 INFO L280 TraceCheckUtils]: 95: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:49:30,273 INFO L280 TraceCheckUtils]: 96: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:49:30,273 INFO L280 TraceCheckUtils]: 97: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:49:30,274 INFO L280 TraceCheckUtils]: 98: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:30,274 INFO L275 TraceCheckUtils]: 99: Hoare quadruple {7174#true} {7174#true} #67#return; {7174#true} is VALID [2020-07-11 00:49:30,274 INFO L280 TraceCheckUtils]: 100: Hoare triple {7174#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7174#true} is VALID [2020-07-11 00:49:30,274 INFO L280 TraceCheckUtils]: 101: Hoare triple {7174#true} #res := #t~ret2 + #t~ret3; {7174#true} is VALID [2020-07-11 00:49:30,274 INFO L280 TraceCheckUtils]: 102: Hoare triple {7174#true} havoc #t~ret2; {7174#true} is VALID [2020-07-11 00:49:30,275 INFO L280 TraceCheckUtils]: 103: Hoare triple {7174#true} havoc #t~ret3; {7174#true} is VALID [2020-07-11 00:49:30,275 INFO L280 TraceCheckUtils]: 104: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:30,275 INFO L275 TraceCheckUtils]: 105: Hoare quadruple {7174#true} {7175#false} #71#return; {7175#false} is VALID [2020-07-11 00:49:30,275 INFO L280 TraceCheckUtils]: 106: Hoare triple {7175#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {7175#false} is VALID [2020-07-11 00:49:30,275 INFO L280 TraceCheckUtils]: 107: Hoare triple {7175#false} #res := #t~ret0 + #t~ret1; {7175#false} is VALID [2020-07-11 00:49:30,276 INFO L280 TraceCheckUtils]: 108: Hoare triple {7175#false} havoc #t~ret1; {7175#false} is VALID [2020-07-11 00:49:30,276 INFO L280 TraceCheckUtils]: 109: Hoare triple {7175#false} havoc #t~ret0; {7175#false} is VALID [2020-07-11 00:49:30,276 INFO L280 TraceCheckUtils]: 110: Hoare triple {7175#false} assume true; {7175#false} is VALID [2020-07-11 00:49:30,276 INFO L275 TraceCheckUtils]: 111: Hoare quadruple {7175#false} {7178#(<= 6 main_~x~0)} #63#return; {7175#false} is VALID [2020-07-11 00:49:30,284 INFO L263 TraceCheckUtils]: 0: Hoare triple {7174#true} call ULTIMATE.init(); {7174#true} is VALID [2020-07-11 00:49:30,284 INFO L280 TraceCheckUtils]: 1: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:30,284 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {7174#true} {7174#true} #59#return; {7174#true} is VALID [2020-07-11 00:49:30,284 INFO L263 TraceCheckUtils]: 3: Hoare triple {7174#true} call #t~ret5 := main(); {7174#true} is VALID [2020-07-11 00:49:30,285 INFO L280 TraceCheckUtils]: 4: Hoare triple {7174#true} ~x~0 := 6; {7178#(<= 6 main_~x~0)} is VALID [2020-07-11 00:49:30,285 INFO L263 TraceCheckUtils]: 5: Hoare triple {7178#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {7174#true} is VALID [2020-07-11 00:49:30,286 INFO L280 TraceCheckUtils]: 6: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,286 INFO L280 TraceCheckUtils]: 7: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:49:30,286 INFO L280 TraceCheckUtils]: 8: Hoare triple {7174#true} assume !(1 == ~n); {7174#true} is VALID [2020-07-11 00:49:30,286 INFO L263 TraceCheckUtils]: 9: Hoare triple {7174#true} call #t~ret0 := fibo2(~n - 1); {7174#true} is VALID [2020-07-11 00:49:30,286 INFO L280 TraceCheckUtils]: 10: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,287 INFO L280 TraceCheckUtils]: 11: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:49:30,287 INFO L280 TraceCheckUtils]: 12: Hoare triple {7174#true} assume !(1 == ~n); {7174#true} is VALID [2020-07-11 00:49:30,287 INFO L263 TraceCheckUtils]: 13: Hoare triple {7174#true} call #t~ret2 := fibo1(~n - 1); {7174#true} is VALID [2020-07-11 00:49:30,287 INFO L280 TraceCheckUtils]: 14: Hoare triple {7174#true} ~n := #in~n; {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,288 INFO L280 TraceCheckUtils]: 15: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,289 INFO L280 TraceCheckUtils]: 16: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,289 INFO L263 TraceCheckUtils]: 17: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {7174#true} is VALID [2020-07-11 00:49:30,289 INFO L280 TraceCheckUtils]: 18: Hoare triple {7174#true} ~n := #in~n; {7470#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,290 INFO L280 TraceCheckUtils]: 19: Hoare triple {7470#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {7471#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-11 00:49:30,291 INFO L280 TraceCheckUtils]: 20: Hoare triple {7471#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,291 INFO L263 TraceCheckUtils]: 21: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {7174#true} is VALID [2020-07-11 00:49:30,291 INFO L280 TraceCheckUtils]: 22: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,292 INFO L280 TraceCheckUtils]: 23: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:49:30,292 INFO L280 TraceCheckUtils]: 24: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:49:30,292 INFO L280 TraceCheckUtils]: 25: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:49:30,293 INFO L280 TraceCheckUtils]: 26: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:30,294 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {7174#true} {7472#(<= 2 |fibo2_#in~n|)} #65#return; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,295 INFO L280 TraceCheckUtils]: 28: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,295 INFO L263 TraceCheckUtils]: 29: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {7174#true} is VALID [2020-07-11 00:49:30,296 INFO L280 TraceCheckUtils]: 30: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,296 INFO L280 TraceCheckUtils]: 31: Hoare triple {7174#true} assume ~n < 1; {7174#true} is VALID [2020-07-11 00:49:30,296 INFO L280 TraceCheckUtils]: 32: Hoare triple {7174#true} #res := 0; {7174#true} is VALID [2020-07-11 00:49:30,296 INFO L280 TraceCheckUtils]: 33: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:30,298 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {7174#true} {7472#(<= 2 |fibo2_#in~n|)} #67#return; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,298 INFO L280 TraceCheckUtils]: 35: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,299 INFO L280 TraceCheckUtils]: 36: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,300 INFO L280 TraceCheckUtils]: 37: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,301 INFO L280 TraceCheckUtils]: 38: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,302 INFO L280 TraceCheckUtils]: 39: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} assume true; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:49:30,303 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {7472#(<= 2 |fibo2_#in~n|)} {7439#(= fibo1_~n |fibo1_#in~n|)} #69#return; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,304 INFO L280 TraceCheckUtils]: 41: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,305 INFO L263 TraceCheckUtils]: 42: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {7174#true} is VALID [2020-07-11 00:49:30,305 INFO L280 TraceCheckUtils]: 43: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,305 INFO L280 TraceCheckUtils]: 44: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:49:30,306 INFO L280 TraceCheckUtils]: 45: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:49:30,306 INFO L280 TraceCheckUtils]: 46: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:49:30,306 INFO L280 TraceCheckUtils]: 47: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:30,307 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {7174#true} {7463#(<= 3 |fibo1_#in~n|)} #71#return; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,308 INFO L280 TraceCheckUtils]: 49: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,309 INFO L280 TraceCheckUtils]: 50: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,310 INFO L280 TraceCheckUtils]: 51: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} havoc #t~ret1; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,310 INFO L280 TraceCheckUtils]: 52: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} havoc #t~ret0; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,311 INFO L280 TraceCheckUtils]: 53: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} assume true; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,313 INFO L275 TraceCheckUtils]: 54: Hoare quadruple {7463#(<= 3 |fibo1_#in~n|)} {7174#true} #65#return; {7432#(<= 4 fibo2_~n)} is VALID [2020-07-11 00:49:30,313 INFO L280 TraceCheckUtils]: 55: Hoare triple {7432#(<= 4 fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7432#(<= 4 fibo2_~n)} is VALID [2020-07-11 00:49:30,314 INFO L263 TraceCheckUtils]: 56: Hoare triple {7432#(<= 4 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {7174#true} is VALID [2020-07-11 00:49:30,314 INFO L280 TraceCheckUtils]: 57: Hoare triple {7174#true} ~n := #in~n; {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,315 INFO L280 TraceCheckUtils]: 58: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:30,316 INFO L280 TraceCheckUtils]: 59: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {7484#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:30,317 INFO L280 TraceCheckUtils]: 60: Hoare triple {7484#(<= |fibo1_#in~n| 1)} #res := 1; {7484#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:30,318 INFO L280 TraceCheckUtils]: 61: Hoare triple {7484#(<= |fibo1_#in~n| 1)} assume true; {7484#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:30,319 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {7484#(<= |fibo1_#in~n| 1)} {7432#(<= 4 fibo2_~n)} #67#return; {7175#false} is VALID [2020-07-11 00:49:30,319 INFO L280 TraceCheckUtils]: 63: Hoare triple {7175#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7175#false} is VALID [2020-07-11 00:49:30,320 INFO L280 TraceCheckUtils]: 64: Hoare triple {7175#false} #res := #t~ret2 + #t~ret3; {7175#false} is VALID [2020-07-11 00:49:30,320 INFO L280 TraceCheckUtils]: 65: Hoare triple {7175#false} havoc #t~ret2; {7175#false} is VALID [2020-07-11 00:49:30,320 INFO L280 TraceCheckUtils]: 66: Hoare triple {7175#false} havoc #t~ret3; {7175#false} is VALID [2020-07-11 00:49:30,321 INFO L280 TraceCheckUtils]: 67: Hoare triple {7175#false} assume true; {7175#false} is VALID [2020-07-11 00:49:30,321 INFO L275 TraceCheckUtils]: 68: Hoare quadruple {7175#false} {7174#true} #69#return; {7175#false} is VALID [2020-07-11 00:49:30,321 INFO L280 TraceCheckUtils]: 69: Hoare triple {7175#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7175#false} is VALID [2020-07-11 00:49:30,321 INFO L263 TraceCheckUtils]: 70: Hoare triple {7175#false} call #t~ret1 := fibo2(~n - 2); {7174#true} is VALID [2020-07-11 00:49:30,322 INFO L280 TraceCheckUtils]: 71: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,322 INFO L280 TraceCheckUtils]: 72: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:49:30,322 INFO L280 TraceCheckUtils]: 73: Hoare triple {7174#true} assume !(1 == ~n); {7174#true} is VALID [2020-07-11 00:49:30,322 INFO L263 TraceCheckUtils]: 74: Hoare triple {7174#true} call #t~ret2 := fibo1(~n - 1); {7174#true} is VALID [2020-07-11 00:49:30,323 INFO L280 TraceCheckUtils]: 75: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,323 INFO L280 TraceCheckUtils]: 76: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:49:30,323 INFO L280 TraceCheckUtils]: 77: Hoare triple {7174#true} assume !(1 == ~n); {7174#true} is VALID [2020-07-11 00:49:30,324 INFO L263 TraceCheckUtils]: 78: Hoare triple {7174#true} call #t~ret0 := fibo2(~n - 1); {7174#true} is VALID [2020-07-11 00:49:30,324 INFO L280 TraceCheckUtils]: 79: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,324 INFO L280 TraceCheckUtils]: 80: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:49:30,324 INFO L280 TraceCheckUtils]: 81: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:49:30,325 INFO L280 TraceCheckUtils]: 82: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:49:30,325 INFO L280 TraceCheckUtils]: 83: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:30,325 INFO L275 TraceCheckUtils]: 84: Hoare quadruple {7174#true} {7174#true} #69#return; {7174#true} is VALID [2020-07-11 00:49:30,326 INFO L280 TraceCheckUtils]: 85: Hoare triple {7174#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7174#true} is VALID [2020-07-11 00:49:30,326 INFO L263 TraceCheckUtils]: 86: Hoare triple {7174#true} call #t~ret1 := fibo2(~n - 2); {7174#true} is VALID [2020-07-11 00:49:30,326 INFO L280 TraceCheckUtils]: 87: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,326 INFO L280 TraceCheckUtils]: 88: Hoare triple {7174#true} assume ~n < 1; {7174#true} is VALID [2020-07-11 00:49:30,327 INFO L280 TraceCheckUtils]: 89: Hoare triple {7174#true} #res := 0; {7174#true} is VALID [2020-07-11 00:49:30,327 INFO L280 TraceCheckUtils]: 90: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:30,327 INFO L275 TraceCheckUtils]: 91: Hoare quadruple {7174#true} {7174#true} #71#return; {7174#true} is VALID [2020-07-11 00:49:30,328 INFO L280 TraceCheckUtils]: 92: Hoare triple {7174#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {7174#true} is VALID [2020-07-11 00:49:30,328 INFO L280 TraceCheckUtils]: 93: Hoare triple {7174#true} #res := #t~ret0 + #t~ret1; {7174#true} is VALID [2020-07-11 00:49:30,328 INFO L280 TraceCheckUtils]: 94: Hoare triple {7174#true} havoc #t~ret1; {7174#true} is VALID [2020-07-11 00:49:30,328 INFO L280 TraceCheckUtils]: 95: Hoare triple {7174#true} havoc #t~ret0; {7174#true} is VALID [2020-07-11 00:49:30,329 INFO L280 TraceCheckUtils]: 96: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:30,329 INFO L275 TraceCheckUtils]: 97: Hoare quadruple {7174#true} {7174#true} #65#return; {7174#true} is VALID [2020-07-11 00:49:30,329 INFO L280 TraceCheckUtils]: 98: Hoare triple {7174#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7174#true} is VALID [2020-07-11 00:49:30,329 INFO L263 TraceCheckUtils]: 99: Hoare triple {7174#true} call #t~ret3 := fibo1(~n - 2); {7174#true} is VALID [2020-07-11 00:49:30,330 INFO L280 TraceCheckUtils]: 100: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:49:30,330 INFO L280 TraceCheckUtils]: 101: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:49:30,330 INFO L280 TraceCheckUtils]: 102: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:49:30,331 INFO L280 TraceCheckUtils]: 103: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:49:30,331 INFO L280 TraceCheckUtils]: 104: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:30,331 INFO L275 TraceCheckUtils]: 105: Hoare quadruple {7174#true} {7174#true} #67#return; {7174#true} is VALID [2020-07-11 00:49:30,331 INFO L280 TraceCheckUtils]: 106: Hoare triple {7174#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7174#true} is VALID [2020-07-11 00:49:30,332 INFO L280 TraceCheckUtils]: 107: Hoare triple {7174#true} #res := #t~ret2 + #t~ret3; {7174#true} is VALID [2020-07-11 00:49:30,332 INFO L280 TraceCheckUtils]: 108: Hoare triple {7174#true} havoc #t~ret2; {7174#true} is VALID [2020-07-11 00:49:30,332 INFO L280 TraceCheckUtils]: 109: Hoare triple {7174#true} havoc #t~ret3; {7174#true} is VALID [2020-07-11 00:49:30,333 INFO L280 TraceCheckUtils]: 110: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:49:30,333 INFO L275 TraceCheckUtils]: 111: Hoare quadruple {7174#true} {7175#false} #71#return; {7175#false} is VALID [2020-07-11 00:49:30,333 INFO L280 TraceCheckUtils]: 112: Hoare triple {7175#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {7175#false} is VALID [2020-07-11 00:49:30,333 INFO L280 TraceCheckUtils]: 113: Hoare triple {7175#false} #res := #t~ret0 + #t~ret1; {7175#false} is VALID [2020-07-11 00:49:30,334 INFO L280 TraceCheckUtils]: 114: Hoare triple {7175#false} havoc #t~ret1; {7175#false} is VALID [2020-07-11 00:49:30,334 INFO L280 TraceCheckUtils]: 115: Hoare triple {7175#false} havoc #t~ret0; {7175#false} is VALID [2020-07-11 00:49:30,334 INFO L280 TraceCheckUtils]: 116: Hoare triple {7175#false} assume true; {7175#false} is VALID [2020-07-11 00:49:30,335 INFO L275 TraceCheckUtils]: 117: Hoare quadruple {7175#false} {7178#(<= 6 main_~x~0)} #63#return; {7175#false} is VALID [2020-07-11 00:49:30,335 INFO L280 TraceCheckUtils]: 118: Hoare triple {7175#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {7175#false} is VALID [2020-07-11 00:49:30,335 INFO L280 TraceCheckUtils]: 119: Hoare triple {7175#false} ~result~0 := #t~ret4; {7175#false} is VALID [2020-07-11 00:49:30,335 INFO L280 TraceCheckUtils]: 120: Hoare triple {7175#false} havoc #t~ret4; {7175#false} is VALID [2020-07-11 00:49:30,336 INFO L280 TraceCheckUtils]: 121: Hoare triple {7175#false} assume 8 == ~result~0; {7175#false} is VALID [2020-07-11 00:49:30,336 INFO L280 TraceCheckUtils]: 122: Hoare triple {7175#false} assume !false; {7175#false} is VALID [2020-07-11 00:49:30,349 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 50 proven. 67 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-07-11 00:49:30,350 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1892534488] [2020-07-11 00:49:30,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 00:49:30,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-07-11 00:49:30,351 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451197172] [2020-07-11 00:49:30,351 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 123 [2020-07-11 00:49:30,357 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:49:30,357 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2020-07-11 00:49:30,486 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 93 edges. 93 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:49:30,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-11 00:49:30,487 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:49:30,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-11 00:49:30,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-07-11 00:49:30,488 INFO L87 Difference]: Start difference. First operand 95 states and 117 transitions. Second operand 10 states. [2020-07-11 00:49:31,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:49:31,618 INFO L93 Difference]: Finished difference Result 193 states and 255 transitions. [2020-07-11 00:49:31,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-11 00:49:31,619 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 123 [2020-07-11 00:49:31,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:49:31,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-11 00:49:31,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 130 transitions. [2020-07-11 00:49:31,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-11 00:49:31,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 130 transitions. [2020-07-11 00:49:31,625 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 130 transitions. [2020-07-11 00:49:31,810 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 130 edges. 130 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:49:31,813 INFO L225 Difference]: With dead ends: 193 [2020-07-11 00:49:31,813 INFO L226 Difference]: Without dead ends: 105 [2020-07-11 00:49:31,815 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-07-11 00:49:31,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-07-11 00:49:32,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2020-07-11 00:49:32,075 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:49:32,075 INFO L82 GeneralOperation]: Start isEquivalent. First operand 105 states. Second operand 105 states. [2020-07-11 00:49:32,075 INFO L74 IsIncluded]: Start isIncluded. First operand 105 states. Second operand 105 states. [2020-07-11 00:49:32,075 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 105 states. [2020-07-11 00:49:32,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:49:32,080 INFO L93 Difference]: Finished difference Result 105 states and 127 transitions. [2020-07-11 00:49:32,080 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 127 transitions. [2020-07-11 00:49:32,081 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:49:32,081 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:49:32,082 INFO L74 IsIncluded]: Start isIncluded. First operand 105 states. Second operand 105 states. [2020-07-11 00:49:32,082 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 105 states. [2020-07-11 00:49:32,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:49:32,086 INFO L93 Difference]: Finished difference Result 105 states and 127 transitions. [2020-07-11 00:49:32,086 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 127 transitions. [2020-07-11 00:49:32,087 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:49:32,087 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:49:32,088 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:49:32,088 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:49:32,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-07-11 00:49:32,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 127 transitions. [2020-07-11 00:49:32,092 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 127 transitions. Word has length 123 [2020-07-11 00:49:32,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:49:32,092 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 127 transitions. [2020-07-11 00:49:32,093 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-11 00:49:32,093 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 105 states and 127 transitions. [2020-07-11 00:49:32,288 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 127 edges. 127 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:49:32,288 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 127 transitions. [2020-07-11 00:49:32,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-07-11 00:49:32,291 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:49:32,291 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 00:49:32,291 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-11 00:49:32,291 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:49:32,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:49:32,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1260071360, now seen corresponding path program 2 times [2020-07-11 00:49:32,292 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:49:32,292 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [398929107] [2020-07-11 00:49:32,292 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:49:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:32,370 INFO L280 TraceCheckUtils]: 0: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,371 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {8341#true} {8341#true} #59#return; {8341#true} is VALID [2020-07-11 00:49:32,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:32,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:32,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:32,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:32,555 INFO L280 TraceCheckUtils]: 0: Hoare triple {8341#true} ~n := #in~n; {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:32,556 INFO L280 TraceCheckUtils]: 1: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:32,556 INFO L280 TraceCheckUtils]: 2: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {8702#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:32,557 INFO L280 TraceCheckUtils]: 3: Hoare triple {8702#(<= |fibo1_#in~n| 1)} #res := 1; {8702#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:32,557 INFO L280 TraceCheckUtils]: 4: Hoare triple {8702#(<= |fibo1_#in~n| 1)} assume true; {8702#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:32,559 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {8702#(<= |fibo1_#in~n| 1)} {8594#(= fibo2_~n |fibo2_#in~n|)} #65#return; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:32,563 INFO L280 TraceCheckUtils]: 0: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,563 INFO L280 TraceCheckUtils]: 1: Hoare triple {8341#true} assume ~n < 1; {8341#true} is VALID [2020-07-11 00:49:32,563 INFO L280 TraceCheckUtils]: 2: Hoare triple {8341#true} #res := 0; {8341#true} is VALID [2020-07-11 00:49:32,564 INFO L280 TraceCheckUtils]: 3: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,564 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {8341#true} {8696#(<= |fibo2_#in~n| 2)} #67#return; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,565 INFO L280 TraceCheckUtils]: 0: Hoare triple {8341#true} ~n := #in~n; {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:32,565 INFO L280 TraceCheckUtils]: 1: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:32,566 INFO L280 TraceCheckUtils]: 2: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:32,566 INFO L263 TraceCheckUtils]: 3: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8341#true} is VALID [2020-07-11 00:49:32,567 INFO L280 TraceCheckUtils]: 4: Hoare triple {8341#true} ~n := #in~n; {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:32,567 INFO L280 TraceCheckUtils]: 5: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:32,585 INFO L280 TraceCheckUtils]: 6: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {8702#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:32,586 INFO L280 TraceCheckUtils]: 7: Hoare triple {8702#(<= |fibo1_#in~n| 1)} #res := 1; {8702#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:32,586 INFO L280 TraceCheckUtils]: 8: Hoare triple {8702#(<= |fibo1_#in~n| 1)} assume true; {8702#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:32,588 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {8702#(<= |fibo1_#in~n| 1)} {8594#(= fibo2_~n |fibo2_#in~n|)} #65#return; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,588 INFO L280 TraceCheckUtils]: 10: Hoare triple {8696#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,588 INFO L263 TraceCheckUtils]: 11: Hoare triple {8696#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {8341#true} is VALID [2020-07-11 00:49:32,589 INFO L280 TraceCheckUtils]: 12: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,589 INFO L280 TraceCheckUtils]: 13: Hoare triple {8341#true} assume ~n < 1; {8341#true} is VALID [2020-07-11 00:49:32,589 INFO L280 TraceCheckUtils]: 14: Hoare triple {8341#true} #res := 0; {8341#true} is VALID [2020-07-11 00:49:32,589 INFO L280 TraceCheckUtils]: 15: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,590 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {8341#true} {8696#(<= |fibo2_#in~n| 2)} #67#return; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,590 INFO L280 TraceCheckUtils]: 17: Hoare triple {8696#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,591 INFO L280 TraceCheckUtils]: 18: Hoare triple {8696#(<= |fibo2_#in~n| 2)} #res := #t~ret2 + #t~ret3; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,591 INFO L280 TraceCheckUtils]: 19: Hoare triple {8696#(<= |fibo2_#in~n| 2)} havoc #t~ret2; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,592 INFO L280 TraceCheckUtils]: 20: Hoare triple {8696#(<= |fibo2_#in~n| 2)} havoc #t~ret3; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,592 INFO L280 TraceCheckUtils]: 21: Hoare triple {8696#(<= |fibo2_#in~n| 2)} assume true; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,594 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {8696#(<= |fibo2_#in~n| 2)} {8475#(= fibo1_~n |fibo1_#in~n|)} #69#return; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:32,601 INFO L280 TraceCheckUtils]: 0: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,601 INFO L280 TraceCheckUtils]: 1: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-11 00:49:32,602 INFO L280 TraceCheckUtils]: 2: Hoare triple {8341#true} assume 1 == ~n; {8341#true} is VALID [2020-07-11 00:49:32,602 INFO L280 TraceCheckUtils]: 3: Hoare triple {8341#true} #res := 1; {8341#true} is VALID [2020-07-11 00:49:32,602 INFO L280 TraceCheckUtils]: 4: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,603 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {8341#true} {8683#(<= |fibo1_#in~n| 3)} #71#return; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:32,604 INFO L280 TraceCheckUtils]: 0: Hoare triple {8341#true} ~n := #in~n; {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:32,605 INFO L280 TraceCheckUtils]: 1: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:32,605 INFO L280 TraceCheckUtils]: 2: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:32,605 INFO L263 TraceCheckUtils]: 3: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {8341#true} is VALID [2020-07-11 00:49:32,606 INFO L280 TraceCheckUtils]: 4: Hoare triple {8341#true} ~n := #in~n; {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:32,606 INFO L280 TraceCheckUtils]: 5: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:32,607 INFO L280 TraceCheckUtils]: 6: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:32,607 INFO L263 TraceCheckUtils]: 7: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8341#true} is VALID [2020-07-11 00:49:32,608 INFO L280 TraceCheckUtils]: 8: Hoare triple {8341#true} ~n := #in~n; {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:32,608 INFO L280 TraceCheckUtils]: 9: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:32,609 INFO L280 TraceCheckUtils]: 10: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {8702#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:32,609 INFO L280 TraceCheckUtils]: 11: Hoare triple {8702#(<= |fibo1_#in~n| 1)} #res := 1; {8702#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:32,610 INFO L280 TraceCheckUtils]: 12: Hoare triple {8702#(<= |fibo1_#in~n| 1)} assume true; {8702#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:32,611 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {8702#(<= |fibo1_#in~n| 1)} {8594#(= fibo2_~n |fibo2_#in~n|)} #65#return; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,612 INFO L280 TraceCheckUtils]: 14: Hoare triple {8696#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,612 INFO L263 TraceCheckUtils]: 15: Hoare triple {8696#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {8341#true} is VALID [2020-07-11 00:49:32,612 INFO L280 TraceCheckUtils]: 16: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,612 INFO L280 TraceCheckUtils]: 17: Hoare triple {8341#true} assume ~n < 1; {8341#true} is VALID [2020-07-11 00:49:32,612 INFO L280 TraceCheckUtils]: 18: Hoare triple {8341#true} #res := 0; {8341#true} is VALID [2020-07-11 00:49:32,613 INFO L280 TraceCheckUtils]: 19: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,613 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {8341#true} {8696#(<= |fibo2_#in~n| 2)} #67#return; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,614 INFO L280 TraceCheckUtils]: 21: Hoare triple {8696#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,614 INFO L280 TraceCheckUtils]: 22: Hoare triple {8696#(<= |fibo2_#in~n| 2)} #res := #t~ret2 + #t~ret3; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,615 INFO L280 TraceCheckUtils]: 23: Hoare triple {8696#(<= |fibo2_#in~n| 2)} havoc #t~ret2; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,615 INFO L280 TraceCheckUtils]: 24: Hoare triple {8696#(<= |fibo2_#in~n| 2)} havoc #t~ret3; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,616 INFO L280 TraceCheckUtils]: 25: Hoare triple {8696#(<= |fibo2_#in~n| 2)} assume true; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,617 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {8696#(<= |fibo2_#in~n| 2)} {8475#(= fibo1_~n |fibo1_#in~n|)} #69#return; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:32,618 INFO L280 TraceCheckUtils]: 27: Hoare triple {8683#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:32,618 INFO L263 TraceCheckUtils]: 28: Hoare triple {8683#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {8341#true} is VALID [2020-07-11 00:49:32,618 INFO L280 TraceCheckUtils]: 29: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,618 INFO L280 TraceCheckUtils]: 30: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-11 00:49:32,618 INFO L280 TraceCheckUtils]: 31: Hoare triple {8341#true} assume 1 == ~n; {8341#true} is VALID [2020-07-11 00:49:32,619 INFO L280 TraceCheckUtils]: 32: Hoare triple {8341#true} #res := 1; {8341#true} is VALID [2020-07-11 00:49:32,619 INFO L280 TraceCheckUtils]: 33: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,620 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {8341#true} {8683#(<= |fibo1_#in~n| 3)} #71#return; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:32,620 INFO L280 TraceCheckUtils]: 35: Hoare triple {8683#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:32,621 INFO L280 TraceCheckUtils]: 36: Hoare triple {8683#(<= |fibo1_#in~n| 3)} #res := #t~ret0 + #t~ret1; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:32,621 INFO L280 TraceCheckUtils]: 37: Hoare triple {8683#(<= |fibo1_#in~n| 3)} havoc #t~ret1; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:32,622 INFO L280 TraceCheckUtils]: 38: Hoare triple {8683#(<= |fibo1_#in~n| 3)} havoc #t~ret0; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:32,622 INFO L280 TraceCheckUtils]: 39: Hoare triple {8683#(<= |fibo1_#in~n| 3)} assume true; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:32,624 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {8683#(<= |fibo1_#in~n| 3)} {8594#(= fibo2_~n |fibo2_#in~n|)} #65#return; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-11 00:49:32,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:32,637 INFO L280 TraceCheckUtils]: 0: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,637 INFO L280 TraceCheckUtils]: 1: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-11 00:49:32,638 INFO L280 TraceCheckUtils]: 2: Hoare triple {8341#true} assume 1 == ~n; {8341#true} is VALID [2020-07-11 00:49:32,638 INFO L280 TraceCheckUtils]: 3: Hoare triple {8341#true} #res := 1; {8341#true} is VALID [2020-07-11 00:49:32,638 INFO L280 TraceCheckUtils]: 4: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,638 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {8341#true} {8341#true} #69#return; {8341#true} is VALID [2020-07-11 00:49:32,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:32,643 INFO L280 TraceCheckUtils]: 0: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,643 INFO L280 TraceCheckUtils]: 1: Hoare triple {8341#true} assume ~n < 1; {8341#true} is VALID [2020-07-11 00:49:32,644 INFO L280 TraceCheckUtils]: 2: Hoare triple {8341#true} #res := 0; {8341#true} is VALID [2020-07-11 00:49:32,644 INFO L280 TraceCheckUtils]: 3: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,644 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {8341#true} {8341#true} #71#return; {8341#true} is VALID [2020-07-11 00:49:32,644 INFO L280 TraceCheckUtils]: 0: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,645 INFO L280 TraceCheckUtils]: 1: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-11 00:49:32,645 INFO L280 TraceCheckUtils]: 2: Hoare triple {8341#true} assume !(1 == ~n); {8341#true} is VALID [2020-07-11 00:49:32,645 INFO L263 TraceCheckUtils]: 3: Hoare triple {8341#true} call #t~ret0 := fibo2(~n - 1); {8341#true} is VALID [2020-07-11 00:49:32,646 INFO L280 TraceCheckUtils]: 4: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,646 INFO L280 TraceCheckUtils]: 5: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-11 00:49:32,646 INFO L280 TraceCheckUtils]: 6: Hoare triple {8341#true} assume 1 == ~n; {8341#true} is VALID [2020-07-11 00:49:32,647 INFO L280 TraceCheckUtils]: 7: Hoare triple {8341#true} #res := 1; {8341#true} is VALID [2020-07-11 00:49:32,647 INFO L280 TraceCheckUtils]: 8: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,647 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {8341#true} {8341#true} #69#return; {8341#true} is VALID [2020-07-11 00:49:32,647 INFO L280 TraceCheckUtils]: 10: Hoare triple {8341#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8341#true} is VALID [2020-07-11 00:49:32,647 INFO L263 TraceCheckUtils]: 11: Hoare triple {8341#true} call #t~ret1 := fibo2(~n - 2); {8341#true} is VALID [2020-07-11 00:49:32,648 INFO L280 TraceCheckUtils]: 12: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,648 INFO L280 TraceCheckUtils]: 13: Hoare triple {8341#true} assume ~n < 1; {8341#true} is VALID [2020-07-11 00:49:32,648 INFO L280 TraceCheckUtils]: 14: Hoare triple {8341#true} #res := 0; {8341#true} is VALID [2020-07-11 00:49:32,648 INFO L280 TraceCheckUtils]: 15: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,648 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {8341#true} {8341#true} #71#return; {8341#true} is VALID [2020-07-11 00:49:32,649 INFO L280 TraceCheckUtils]: 17: Hoare triple {8341#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {8341#true} is VALID [2020-07-11 00:49:32,649 INFO L280 TraceCheckUtils]: 18: Hoare triple {8341#true} #res := #t~ret0 + #t~ret1; {8341#true} is VALID [2020-07-11 00:49:32,649 INFO L280 TraceCheckUtils]: 19: Hoare triple {8341#true} havoc #t~ret1; {8341#true} is VALID [2020-07-11 00:49:32,649 INFO L280 TraceCheckUtils]: 20: Hoare triple {8341#true} havoc #t~ret0; {8341#true} is VALID [2020-07-11 00:49:32,649 INFO L280 TraceCheckUtils]: 21: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,651 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {8341#true} {8636#(<= |fibo2_#in~n| 4)} #67#return; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-11 00:49:32,652 INFO L280 TraceCheckUtils]: 0: Hoare triple {8341#true} ~n := #in~n; {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:32,652 INFO L280 TraceCheckUtils]: 1: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:32,653 INFO L280 TraceCheckUtils]: 2: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:32,653 INFO L263 TraceCheckUtils]: 3: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8341#true} is VALID [2020-07-11 00:49:32,654 INFO L280 TraceCheckUtils]: 4: Hoare triple {8341#true} ~n := #in~n; {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:32,654 INFO L280 TraceCheckUtils]: 5: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:32,655 INFO L280 TraceCheckUtils]: 6: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:32,655 INFO L263 TraceCheckUtils]: 7: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {8341#true} is VALID [2020-07-11 00:49:32,656 INFO L280 TraceCheckUtils]: 8: Hoare triple {8341#true} ~n := #in~n; {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:32,656 INFO L280 TraceCheckUtils]: 9: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:32,657 INFO L280 TraceCheckUtils]: 10: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:32,657 INFO L263 TraceCheckUtils]: 11: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8341#true} is VALID [2020-07-11 00:49:32,658 INFO L280 TraceCheckUtils]: 12: Hoare triple {8341#true} ~n := #in~n; {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:32,658 INFO L280 TraceCheckUtils]: 13: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:32,659 INFO L280 TraceCheckUtils]: 14: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {8702#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:32,659 INFO L280 TraceCheckUtils]: 15: Hoare triple {8702#(<= |fibo1_#in~n| 1)} #res := 1; {8702#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:32,660 INFO L280 TraceCheckUtils]: 16: Hoare triple {8702#(<= |fibo1_#in~n| 1)} assume true; {8702#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:32,661 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {8702#(<= |fibo1_#in~n| 1)} {8594#(= fibo2_~n |fibo2_#in~n|)} #65#return; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,662 INFO L280 TraceCheckUtils]: 18: Hoare triple {8696#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,662 INFO L263 TraceCheckUtils]: 19: Hoare triple {8696#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {8341#true} is VALID [2020-07-11 00:49:32,662 INFO L280 TraceCheckUtils]: 20: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,663 INFO L280 TraceCheckUtils]: 21: Hoare triple {8341#true} assume ~n < 1; {8341#true} is VALID [2020-07-11 00:49:32,663 INFO L280 TraceCheckUtils]: 22: Hoare triple {8341#true} #res := 0; {8341#true} is VALID [2020-07-11 00:49:32,663 INFO L280 TraceCheckUtils]: 23: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,665 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {8341#true} {8696#(<= |fibo2_#in~n| 2)} #67#return; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,666 INFO L280 TraceCheckUtils]: 25: Hoare triple {8696#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,666 INFO L280 TraceCheckUtils]: 26: Hoare triple {8696#(<= |fibo2_#in~n| 2)} #res := #t~ret2 + #t~ret3; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,667 INFO L280 TraceCheckUtils]: 27: Hoare triple {8696#(<= |fibo2_#in~n| 2)} havoc #t~ret2; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,667 INFO L280 TraceCheckUtils]: 28: Hoare triple {8696#(<= |fibo2_#in~n| 2)} havoc #t~ret3; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,668 INFO L280 TraceCheckUtils]: 29: Hoare triple {8696#(<= |fibo2_#in~n| 2)} assume true; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,669 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {8696#(<= |fibo2_#in~n| 2)} {8475#(= fibo1_~n |fibo1_#in~n|)} #69#return; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:32,670 INFO L280 TraceCheckUtils]: 31: Hoare triple {8683#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:32,670 INFO L263 TraceCheckUtils]: 32: Hoare triple {8683#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {8341#true} is VALID [2020-07-11 00:49:32,670 INFO L280 TraceCheckUtils]: 33: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,670 INFO L280 TraceCheckUtils]: 34: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-11 00:49:32,671 INFO L280 TraceCheckUtils]: 35: Hoare triple {8341#true} assume 1 == ~n; {8341#true} is VALID [2020-07-11 00:49:32,671 INFO L280 TraceCheckUtils]: 36: Hoare triple {8341#true} #res := 1; {8341#true} is VALID [2020-07-11 00:49:32,671 INFO L280 TraceCheckUtils]: 37: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,672 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {8341#true} {8683#(<= |fibo1_#in~n| 3)} #71#return; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:32,673 INFO L280 TraceCheckUtils]: 39: Hoare triple {8683#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:32,673 INFO L280 TraceCheckUtils]: 40: Hoare triple {8683#(<= |fibo1_#in~n| 3)} #res := #t~ret0 + #t~ret1; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:32,674 INFO L280 TraceCheckUtils]: 41: Hoare triple {8683#(<= |fibo1_#in~n| 3)} havoc #t~ret1; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:32,674 INFO L280 TraceCheckUtils]: 42: Hoare triple {8683#(<= |fibo1_#in~n| 3)} havoc #t~ret0; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:32,675 INFO L280 TraceCheckUtils]: 43: Hoare triple {8683#(<= |fibo1_#in~n| 3)} assume true; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:32,676 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {8683#(<= |fibo1_#in~n| 3)} {8594#(= fibo2_~n |fibo2_#in~n|)} #65#return; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-11 00:49:32,677 INFO L280 TraceCheckUtils]: 45: Hoare triple {8636#(<= |fibo2_#in~n| 4)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-11 00:49:32,677 INFO L263 TraceCheckUtils]: 46: Hoare triple {8636#(<= |fibo2_#in~n| 4)} call #t~ret3 := fibo1(~n - 2); {8341#true} is VALID [2020-07-11 00:49:32,677 INFO L280 TraceCheckUtils]: 47: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,677 INFO L280 TraceCheckUtils]: 48: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-11 00:49:32,678 INFO L280 TraceCheckUtils]: 49: Hoare triple {8341#true} assume !(1 == ~n); {8341#true} is VALID [2020-07-11 00:49:32,678 INFO L263 TraceCheckUtils]: 50: Hoare triple {8341#true} call #t~ret0 := fibo2(~n - 1); {8341#true} is VALID [2020-07-11 00:49:32,678 INFO L280 TraceCheckUtils]: 51: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,678 INFO L280 TraceCheckUtils]: 52: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-11 00:49:32,679 INFO L280 TraceCheckUtils]: 53: Hoare triple {8341#true} assume 1 == ~n; {8341#true} is VALID [2020-07-11 00:49:32,679 INFO L280 TraceCheckUtils]: 54: Hoare triple {8341#true} #res := 1; {8341#true} is VALID [2020-07-11 00:49:32,679 INFO L280 TraceCheckUtils]: 55: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,679 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {8341#true} {8341#true} #69#return; {8341#true} is VALID [2020-07-11 00:49:32,679 INFO L280 TraceCheckUtils]: 57: Hoare triple {8341#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8341#true} is VALID [2020-07-11 00:49:32,680 INFO L263 TraceCheckUtils]: 58: Hoare triple {8341#true} call #t~ret1 := fibo2(~n - 2); {8341#true} is VALID [2020-07-11 00:49:32,680 INFO L280 TraceCheckUtils]: 59: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,680 INFO L280 TraceCheckUtils]: 60: Hoare triple {8341#true} assume ~n < 1; {8341#true} is VALID [2020-07-11 00:49:32,680 INFO L280 TraceCheckUtils]: 61: Hoare triple {8341#true} #res := 0; {8341#true} is VALID [2020-07-11 00:49:32,680 INFO L280 TraceCheckUtils]: 62: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,681 INFO L275 TraceCheckUtils]: 63: Hoare quadruple {8341#true} {8341#true} #71#return; {8341#true} is VALID [2020-07-11 00:49:32,681 INFO L280 TraceCheckUtils]: 64: Hoare triple {8341#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {8341#true} is VALID [2020-07-11 00:49:32,681 INFO L280 TraceCheckUtils]: 65: Hoare triple {8341#true} #res := #t~ret0 + #t~ret1; {8341#true} is VALID [2020-07-11 00:49:32,681 INFO L280 TraceCheckUtils]: 66: Hoare triple {8341#true} havoc #t~ret1; {8341#true} is VALID [2020-07-11 00:49:32,682 INFO L280 TraceCheckUtils]: 67: Hoare triple {8341#true} havoc #t~ret0; {8341#true} is VALID [2020-07-11 00:49:32,682 INFO L280 TraceCheckUtils]: 68: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,684 INFO L275 TraceCheckUtils]: 69: Hoare quadruple {8341#true} {8636#(<= |fibo2_#in~n| 4)} #67#return; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-11 00:49:32,685 INFO L280 TraceCheckUtils]: 70: Hoare triple {8636#(<= |fibo2_#in~n| 4)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-11 00:49:32,685 INFO L280 TraceCheckUtils]: 71: Hoare triple {8636#(<= |fibo2_#in~n| 4)} #res := #t~ret2 + #t~ret3; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-11 00:49:32,686 INFO L280 TraceCheckUtils]: 72: Hoare triple {8636#(<= |fibo2_#in~n| 4)} havoc #t~ret2; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-11 00:49:32,686 INFO L280 TraceCheckUtils]: 73: Hoare triple {8636#(<= |fibo2_#in~n| 4)} havoc #t~ret3; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-11 00:49:32,687 INFO L280 TraceCheckUtils]: 74: Hoare triple {8636#(<= |fibo2_#in~n| 4)} assume true; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-11 00:49:32,688 INFO L275 TraceCheckUtils]: 75: Hoare quadruple {8636#(<= |fibo2_#in~n| 4)} {8475#(= fibo1_~n |fibo1_#in~n|)} #69#return; {8552#(<= |fibo1_#in~n| 5)} is VALID [2020-07-11 00:49:32,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:32,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:32,723 INFO L280 TraceCheckUtils]: 0: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,724 INFO L280 TraceCheckUtils]: 1: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-11 00:49:32,724 INFO L280 TraceCheckUtils]: 2: Hoare triple {8341#true} assume 1 == ~n; {8341#true} is VALID [2020-07-11 00:49:32,724 INFO L280 TraceCheckUtils]: 3: Hoare triple {8341#true} #res := 1; {8341#true} is VALID [2020-07-11 00:49:32,724 INFO L280 TraceCheckUtils]: 4: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,724 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {8341#true} {8341#true} #69#return; {8341#true} is VALID [2020-07-11 00:49:32,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:32,728 INFO L280 TraceCheckUtils]: 0: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,728 INFO L280 TraceCheckUtils]: 1: Hoare triple {8341#true} assume ~n < 1; {8341#true} is VALID [2020-07-11 00:49:32,729 INFO L280 TraceCheckUtils]: 2: Hoare triple {8341#true} #res := 0; {8341#true} is VALID [2020-07-11 00:49:32,729 INFO L280 TraceCheckUtils]: 3: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,729 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {8341#true} {8341#true} #71#return; {8341#true} is VALID [2020-07-11 00:49:32,729 INFO L280 TraceCheckUtils]: 0: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,729 INFO L280 TraceCheckUtils]: 1: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-11 00:49:32,730 INFO L280 TraceCheckUtils]: 2: Hoare triple {8341#true} assume !(1 == ~n); {8341#true} is VALID [2020-07-11 00:49:32,730 INFO L263 TraceCheckUtils]: 3: Hoare triple {8341#true} call #t~ret0 := fibo2(~n - 1); {8341#true} is VALID [2020-07-11 00:49:32,730 INFO L280 TraceCheckUtils]: 4: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,730 INFO L280 TraceCheckUtils]: 5: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-11 00:49:32,730 INFO L280 TraceCheckUtils]: 6: Hoare triple {8341#true} assume 1 == ~n; {8341#true} is VALID [2020-07-11 00:49:32,731 INFO L280 TraceCheckUtils]: 7: Hoare triple {8341#true} #res := 1; {8341#true} is VALID [2020-07-11 00:49:32,731 INFO L280 TraceCheckUtils]: 8: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,731 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {8341#true} {8341#true} #69#return; {8341#true} is VALID [2020-07-11 00:49:32,731 INFO L280 TraceCheckUtils]: 10: Hoare triple {8341#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8341#true} is VALID [2020-07-11 00:49:32,731 INFO L263 TraceCheckUtils]: 11: Hoare triple {8341#true} call #t~ret1 := fibo2(~n - 2); {8341#true} is VALID [2020-07-11 00:49:32,732 INFO L280 TraceCheckUtils]: 12: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,732 INFO L280 TraceCheckUtils]: 13: Hoare triple {8341#true} assume ~n < 1; {8341#true} is VALID [2020-07-11 00:49:32,732 INFO L280 TraceCheckUtils]: 14: Hoare triple {8341#true} #res := 0; {8341#true} is VALID [2020-07-11 00:49:32,732 INFO L280 TraceCheckUtils]: 15: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,733 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {8341#true} {8341#true} #71#return; {8341#true} is VALID [2020-07-11 00:49:32,733 INFO L280 TraceCheckUtils]: 17: Hoare triple {8341#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {8341#true} is VALID [2020-07-11 00:49:32,733 INFO L280 TraceCheckUtils]: 18: Hoare triple {8341#true} #res := #t~ret0 + #t~ret1; {8341#true} is VALID [2020-07-11 00:49:32,733 INFO L280 TraceCheckUtils]: 19: Hoare triple {8341#true} havoc #t~ret1; {8341#true} is VALID [2020-07-11 00:49:32,733 INFO L280 TraceCheckUtils]: 20: Hoare triple {8341#true} havoc #t~ret0; {8341#true} is VALID [2020-07-11 00:49:32,734 INFO L280 TraceCheckUtils]: 21: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,734 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {8341#true} {8341#true} #65#return; {8341#true} is VALID [2020-07-11 00:49:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:49:32,738 INFO L280 TraceCheckUtils]: 0: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,739 INFO L280 TraceCheckUtils]: 1: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-11 00:49:32,739 INFO L280 TraceCheckUtils]: 2: Hoare triple {8341#true} assume 1 == ~n; {8341#true} is VALID [2020-07-11 00:49:32,739 INFO L280 TraceCheckUtils]: 3: Hoare triple {8341#true} #res := 1; {8341#true} is VALID [2020-07-11 00:49:32,739 INFO L280 TraceCheckUtils]: 4: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,740 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {8341#true} {8341#true} #67#return; {8341#true} is VALID [2020-07-11 00:49:32,740 INFO L280 TraceCheckUtils]: 0: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,740 INFO L280 TraceCheckUtils]: 1: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-11 00:49:32,740 INFO L280 TraceCheckUtils]: 2: Hoare triple {8341#true} assume !(1 == ~n); {8341#true} is VALID [2020-07-11 00:49:32,740 INFO L263 TraceCheckUtils]: 3: Hoare triple {8341#true} call #t~ret2 := fibo1(~n - 1); {8341#true} is VALID [2020-07-11 00:49:32,741 INFO L280 TraceCheckUtils]: 4: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,741 INFO L280 TraceCheckUtils]: 5: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-11 00:49:32,741 INFO L280 TraceCheckUtils]: 6: Hoare triple {8341#true} assume !(1 == ~n); {8341#true} is VALID [2020-07-11 00:49:32,741 INFO L263 TraceCheckUtils]: 7: Hoare triple {8341#true} call #t~ret0 := fibo2(~n - 1); {8341#true} is VALID [2020-07-11 00:49:32,742 INFO L280 TraceCheckUtils]: 8: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,742 INFO L280 TraceCheckUtils]: 9: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-11 00:49:32,742 INFO L280 TraceCheckUtils]: 10: Hoare triple {8341#true} assume 1 == ~n; {8341#true} is VALID [2020-07-11 00:49:32,742 INFO L280 TraceCheckUtils]: 11: Hoare triple {8341#true} #res := 1; {8341#true} is VALID [2020-07-11 00:49:32,742 INFO L280 TraceCheckUtils]: 12: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,743 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {8341#true} {8341#true} #69#return; {8341#true} is VALID [2020-07-11 00:49:32,743 INFO L280 TraceCheckUtils]: 14: Hoare triple {8341#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8341#true} is VALID [2020-07-11 00:49:32,743 INFO L263 TraceCheckUtils]: 15: Hoare triple {8341#true} call #t~ret1 := fibo2(~n - 2); {8341#true} is VALID [2020-07-11 00:49:32,743 INFO L280 TraceCheckUtils]: 16: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,743 INFO L280 TraceCheckUtils]: 17: Hoare triple {8341#true} assume ~n < 1; {8341#true} is VALID [2020-07-11 00:49:32,744 INFO L280 TraceCheckUtils]: 18: Hoare triple {8341#true} #res := 0; {8341#true} is VALID [2020-07-11 00:49:32,744 INFO L280 TraceCheckUtils]: 19: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,744 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {8341#true} {8341#true} #71#return; {8341#true} is VALID [2020-07-11 00:49:32,744 INFO L280 TraceCheckUtils]: 21: Hoare triple {8341#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {8341#true} is VALID [2020-07-11 00:49:32,744 INFO L280 TraceCheckUtils]: 22: Hoare triple {8341#true} #res := #t~ret0 + #t~ret1; {8341#true} is VALID [2020-07-11 00:49:32,745 INFO L280 TraceCheckUtils]: 23: Hoare triple {8341#true} havoc #t~ret1; {8341#true} is VALID [2020-07-11 00:49:32,745 INFO L280 TraceCheckUtils]: 24: Hoare triple {8341#true} havoc #t~ret0; {8341#true} is VALID [2020-07-11 00:49:32,745 INFO L280 TraceCheckUtils]: 25: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,745 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {8341#true} {8341#true} #65#return; {8341#true} is VALID [2020-07-11 00:49:32,745 INFO L280 TraceCheckUtils]: 27: Hoare triple {8341#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8341#true} is VALID [2020-07-11 00:49:32,746 INFO L263 TraceCheckUtils]: 28: Hoare triple {8341#true} call #t~ret3 := fibo1(~n - 2); {8341#true} is VALID [2020-07-11 00:49:32,746 INFO L280 TraceCheckUtils]: 29: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,746 INFO L280 TraceCheckUtils]: 30: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-11 00:49:32,746 INFO L280 TraceCheckUtils]: 31: Hoare triple {8341#true} assume 1 == ~n; {8341#true} is VALID [2020-07-11 00:49:32,746 INFO L280 TraceCheckUtils]: 32: Hoare triple {8341#true} #res := 1; {8341#true} is VALID [2020-07-11 00:49:32,747 INFO L280 TraceCheckUtils]: 33: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,747 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {8341#true} {8341#true} #67#return; {8341#true} is VALID [2020-07-11 00:49:32,747 INFO L280 TraceCheckUtils]: 35: Hoare triple {8341#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {8341#true} is VALID [2020-07-11 00:49:32,747 INFO L280 TraceCheckUtils]: 36: Hoare triple {8341#true} #res := #t~ret2 + #t~ret3; {8341#true} is VALID [2020-07-11 00:49:32,747 INFO L280 TraceCheckUtils]: 37: Hoare triple {8341#true} havoc #t~ret2; {8341#true} is VALID [2020-07-11 00:49:32,748 INFO L280 TraceCheckUtils]: 38: Hoare triple {8341#true} havoc #t~ret3; {8341#true} is VALID [2020-07-11 00:49:32,748 INFO L280 TraceCheckUtils]: 39: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,750 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {8341#true} {8552#(<= |fibo1_#in~n| 5)} #71#return; {8552#(<= |fibo1_#in~n| 5)} is VALID [2020-07-11 00:49:32,752 INFO L280 TraceCheckUtils]: 0: Hoare triple {8341#true} ~n := #in~n; {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:32,752 INFO L280 TraceCheckUtils]: 1: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:32,753 INFO L280 TraceCheckUtils]: 2: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:32,753 INFO L263 TraceCheckUtils]: 3: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {8341#true} is VALID [2020-07-11 00:49:32,753 INFO L280 TraceCheckUtils]: 4: Hoare triple {8341#true} ~n := #in~n; {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:32,754 INFO L280 TraceCheckUtils]: 5: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:32,755 INFO L280 TraceCheckUtils]: 6: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:32,755 INFO L263 TraceCheckUtils]: 7: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8341#true} is VALID [2020-07-11 00:49:32,755 INFO L280 TraceCheckUtils]: 8: Hoare triple {8341#true} ~n := #in~n; {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:32,756 INFO L280 TraceCheckUtils]: 9: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:32,756 INFO L280 TraceCheckUtils]: 10: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:32,757 INFO L263 TraceCheckUtils]: 11: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {8341#true} is VALID [2020-07-11 00:49:32,757 INFO L280 TraceCheckUtils]: 12: Hoare triple {8341#true} ~n := #in~n; {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:32,758 INFO L280 TraceCheckUtils]: 13: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:32,758 INFO L280 TraceCheckUtils]: 14: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:32,758 INFO L263 TraceCheckUtils]: 15: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8341#true} is VALID [2020-07-11 00:49:32,759 INFO L280 TraceCheckUtils]: 16: Hoare triple {8341#true} ~n := #in~n; {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:32,759 INFO L280 TraceCheckUtils]: 17: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:32,760 INFO L280 TraceCheckUtils]: 18: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {8702#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:32,760 INFO L280 TraceCheckUtils]: 19: Hoare triple {8702#(<= |fibo1_#in~n| 1)} #res := 1; {8702#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:32,761 INFO L280 TraceCheckUtils]: 20: Hoare triple {8702#(<= |fibo1_#in~n| 1)} assume true; {8702#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:32,763 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {8702#(<= |fibo1_#in~n| 1)} {8594#(= fibo2_~n |fibo2_#in~n|)} #65#return; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,763 INFO L280 TraceCheckUtils]: 22: Hoare triple {8696#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,764 INFO L263 TraceCheckUtils]: 23: Hoare triple {8696#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {8341#true} is VALID [2020-07-11 00:49:32,764 INFO L280 TraceCheckUtils]: 24: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,764 INFO L280 TraceCheckUtils]: 25: Hoare triple {8341#true} assume ~n < 1; {8341#true} is VALID [2020-07-11 00:49:32,764 INFO L280 TraceCheckUtils]: 26: Hoare triple {8341#true} #res := 0; {8341#true} is VALID [2020-07-11 00:49:32,764 INFO L280 TraceCheckUtils]: 27: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,765 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {8341#true} {8696#(<= |fibo2_#in~n| 2)} #67#return; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,766 INFO L280 TraceCheckUtils]: 29: Hoare triple {8696#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,766 INFO L280 TraceCheckUtils]: 30: Hoare triple {8696#(<= |fibo2_#in~n| 2)} #res := #t~ret2 + #t~ret3; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,767 INFO L280 TraceCheckUtils]: 31: Hoare triple {8696#(<= |fibo2_#in~n| 2)} havoc #t~ret2; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,768 INFO L280 TraceCheckUtils]: 32: Hoare triple {8696#(<= |fibo2_#in~n| 2)} havoc #t~ret3; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,769 INFO L280 TraceCheckUtils]: 33: Hoare triple {8696#(<= |fibo2_#in~n| 2)} assume true; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,770 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {8696#(<= |fibo2_#in~n| 2)} {8475#(= fibo1_~n |fibo1_#in~n|)} #69#return; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:32,771 INFO L280 TraceCheckUtils]: 35: Hoare triple {8683#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:32,771 INFO L263 TraceCheckUtils]: 36: Hoare triple {8683#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {8341#true} is VALID [2020-07-11 00:49:32,772 INFO L280 TraceCheckUtils]: 37: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,772 INFO L280 TraceCheckUtils]: 38: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-11 00:49:32,772 INFO L280 TraceCheckUtils]: 39: Hoare triple {8341#true} assume 1 == ~n; {8341#true} is VALID [2020-07-11 00:49:32,772 INFO L280 TraceCheckUtils]: 40: Hoare triple {8341#true} #res := 1; {8341#true} is VALID [2020-07-11 00:49:32,773 INFO L280 TraceCheckUtils]: 41: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,774 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {8341#true} {8683#(<= |fibo1_#in~n| 3)} #71#return; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:32,774 INFO L280 TraceCheckUtils]: 43: Hoare triple {8683#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:32,775 INFO L280 TraceCheckUtils]: 44: Hoare triple {8683#(<= |fibo1_#in~n| 3)} #res := #t~ret0 + #t~ret1; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:32,775 INFO L280 TraceCheckUtils]: 45: Hoare triple {8683#(<= |fibo1_#in~n| 3)} havoc #t~ret1; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:32,776 INFO L280 TraceCheckUtils]: 46: Hoare triple {8683#(<= |fibo1_#in~n| 3)} havoc #t~ret0; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:32,777 INFO L280 TraceCheckUtils]: 47: Hoare triple {8683#(<= |fibo1_#in~n| 3)} assume true; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:32,778 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {8683#(<= |fibo1_#in~n| 3)} {8594#(= fibo2_~n |fibo2_#in~n|)} #65#return; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-11 00:49:32,779 INFO L280 TraceCheckUtils]: 49: Hoare triple {8636#(<= |fibo2_#in~n| 4)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-11 00:49:32,779 INFO L263 TraceCheckUtils]: 50: Hoare triple {8636#(<= |fibo2_#in~n| 4)} call #t~ret3 := fibo1(~n - 2); {8341#true} is VALID [2020-07-11 00:49:32,779 INFO L280 TraceCheckUtils]: 51: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,779 INFO L280 TraceCheckUtils]: 52: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-11 00:49:32,779 INFO L280 TraceCheckUtils]: 53: Hoare triple {8341#true} assume !(1 == ~n); {8341#true} is VALID [2020-07-11 00:49:32,780 INFO L263 TraceCheckUtils]: 54: Hoare triple {8341#true} call #t~ret0 := fibo2(~n - 1); {8341#true} is VALID [2020-07-11 00:49:32,780 INFO L280 TraceCheckUtils]: 55: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,780 INFO L280 TraceCheckUtils]: 56: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-11 00:49:32,780 INFO L280 TraceCheckUtils]: 57: Hoare triple {8341#true} assume 1 == ~n; {8341#true} is VALID [2020-07-11 00:49:32,780 INFO L280 TraceCheckUtils]: 58: Hoare triple {8341#true} #res := 1; {8341#true} is VALID [2020-07-11 00:49:32,780 INFO L280 TraceCheckUtils]: 59: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,781 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {8341#true} {8341#true} #69#return; {8341#true} is VALID [2020-07-11 00:49:32,781 INFO L280 TraceCheckUtils]: 61: Hoare triple {8341#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8341#true} is VALID [2020-07-11 00:49:32,781 INFO L263 TraceCheckUtils]: 62: Hoare triple {8341#true} call #t~ret1 := fibo2(~n - 2); {8341#true} is VALID [2020-07-11 00:49:32,781 INFO L280 TraceCheckUtils]: 63: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,781 INFO L280 TraceCheckUtils]: 64: Hoare triple {8341#true} assume ~n < 1; {8341#true} is VALID [2020-07-11 00:49:32,781 INFO L280 TraceCheckUtils]: 65: Hoare triple {8341#true} #res := 0; {8341#true} is VALID [2020-07-11 00:49:32,782 INFO L280 TraceCheckUtils]: 66: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,782 INFO L275 TraceCheckUtils]: 67: Hoare quadruple {8341#true} {8341#true} #71#return; {8341#true} is VALID [2020-07-11 00:49:32,782 INFO L280 TraceCheckUtils]: 68: Hoare triple {8341#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {8341#true} is VALID [2020-07-11 00:49:32,782 INFO L280 TraceCheckUtils]: 69: Hoare triple {8341#true} #res := #t~ret0 + #t~ret1; {8341#true} is VALID [2020-07-11 00:49:32,782 INFO L280 TraceCheckUtils]: 70: Hoare triple {8341#true} havoc #t~ret1; {8341#true} is VALID [2020-07-11 00:49:32,783 INFO L280 TraceCheckUtils]: 71: Hoare triple {8341#true} havoc #t~ret0; {8341#true} is VALID [2020-07-11 00:49:32,783 INFO L280 TraceCheckUtils]: 72: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,785 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {8341#true} {8636#(<= |fibo2_#in~n| 4)} #67#return; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-11 00:49:32,786 INFO L280 TraceCheckUtils]: 74: Hoare triple {8636#(<= |fibo2_#in~n| 4)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-11 00:49:32,786 INFO L280 TraceCheckUtils]: 75: Hoare triple {8636#(<= |fibo2_#in~n| 4)} #res := #t~ret2 + #t~ret3; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-11 00:49:32,787 INFO L280 TraceCheckUtils]: 76: Hoare triple {8636#(<= |fibo2_#in~n| 4)} havoc #t~ret2; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-11 00:49:32,787 INFO L280 TraceCheckUtils]: 77: Hoare triple {8636#(<= |fibo2_#in~n| 4)} havoc #t~ret3; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-11 00:49:32,788 INFO L280 TraceCheckUtils]: 78: Hoare triple {8636#(<= |fibo2_#in~n| 4)} assume true; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-11 00:49:32,789 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {8636#(<= |fibo2_#in~n| 4)} {8475#(= fibo1_~n |fibo1_#in~n|)} #69#return; {8552#(<= |fibo1_#in~n| 5)} is VALID [2020-07-11 00:49:32,789 INFO L280 TraceCheckUtils]: 80: Hoare triple {8552#(<= |fibo1_#in~n| 5)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8552#(<= |fibo1_#in~n| 5)} is VALID [2020-07-11 00:49:32,790 INFO L263 TraceCheckUtils]: 81: Hoare triple {8552#(<= |fibo1_#in~n| 5)} call #t~ret1 := fibo2(~n - 2); {8341#true} is VALID [2020-07-11 00:49:32,790 INFO L280 TraceCheckUtils]: 82: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,790 INFO L280 TraceCheckUtils]: 83: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-11 00:49:32,790 INFO L280 TraceCheckUtils]: 84: Hoare triple {8341#true} assume !(1 == ~n); {8341#true} is VALID [2020-07-11 00:49:32,791 INFO L263 TraceCheckUtils]: 85: Hoare triple {8341#true} call #t~ret2 := fibo1(~n - 1); {8341#true} is VALID [2020-07-11 00:49:32,791 INFO L280 TraceCheckUtils]: 86: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,791 INFO L280 TraceCheckUtils]: 87: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-11 00:49:32,791 INFO L280 TraceCheckUtils]: 88: Hoare triple {8341#true} assume !(1 == ~n); {8341#true} is VALID [2020-07-11 00:49:32,791 INFO L263 TraceCheckUtils]: 89: Hoare triple {8341#true} call #t~ret0 := fibo2(~n - 1); {8341#true} is VALID [2020-07-11 00:49:32,792 INFO L280 TraceCheckUtils]: 90: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,792 INFO L280 TraceCheckUtils]: 91: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-11 00:49:32,792 INFO L280 TraceCheckUtils]: 92: Hoare triple {8341#true} assume 1 == ~n; {8341#true} is VALID [2020-07-11 00:49:32,792 INFO L280 TraceCheckUtils]: 93: Hoare triple {8341#true} #res := 1; {8341#true} is VALID [2020-07-11 00:49:32,792 INFO L280 TraceCheckUtils]: 94: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,793 INFO L275 TraceCheckUtils]: 95: Hoare quadruple {8341#true} {8341#true} #69#return; {8341#true} is VALID [2020-07-11 00:49:32,793 INFO L280 TraceCheckUtils]: 96: Hoare triple {8341#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8341#true} is VALID [2020-07-11 00:49:32,793 INFO L263 TraceCheckUtils]: 97: Hoare triple {8341#true} call #t~ret1 := fibo2(~n - 2); {8341#true} is VALID [2020-07-11 00:49:32,793 INFO L280 TraceCheckUtils]: 98: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,793 INFO L280 TraceCheckUtils]: 99: Hoare triple {8341#true} assume ~n < 1; {8341#true} is VALID [2020-07-11 00:49:32,794 INFO L280 TraceCheckUtils]: 100: Hoare triple {8341#true} #res := 0; {8341#true} is VALID [2020-07-11 00:49:32,794 INFO L280 TraceCheckUtils]: 101: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,794 INFO L275 TraceCheckUtils]: 102: Hoare quadruple {8341#true} {8341#true} #71#return; {8341#true} is VALID [2020-07-11 00:49:32,794 INFO L280 TraceCheckUtils]: 103: Hoare triple {8341#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {8341#true} is VALID [2020-07-11 00:49:32,794 INFO L280 TraceCheckUtils]: 104: Hoare triple {8341#true} #res := #t~ret0 + #t~ret1; {8341#true} is VALID [2020-07-11 00:49:32,795 INFO L280 TraceCheckUtils]: 105: Hoare triple {8341#true} havoc #t~ret1; {8341#true} is VALID [2020-07-11 00:49:32,795 INFO L280 TraceCheckUtils]: 106: Hoare triple {8341#true} havoc #t~ret0; {8341#true} is VALID [2020-07-11 00:49:32,795 INFO L280 TraceCheckUtils]: 107: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,796 INFO L275 TraceCheckUtils]: 108: Hoare quadruple {8341#true} {8341#true} #65#return; {8341#true} is VALID [2020-07-11 00:49:32,796 INFO L280 TraceCheckUtils]: 109: Hoare triple {8341#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8341#true} is VALID [2020-07-11 00:49:32,796 INFO L263 TraceCheckUtils]: 110: Hoare triple {8341#true} call #t~ret3 := fibo1(~n - 2); {8341#true} is VALID [2020-07-11 00:49:32,796 INFO L280 TraceCheckUtils]: 111: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,796 INFO L280 TraceCheckUtils]: 112: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-11 00:49:32,797 INFO L280 TraceCheckUtils]: 113: Hoare triple {8341#true} assume 1 == ~n; {8341#true} is VALID [2020-07-11 00:49:32,797 INFO L280 TraceCheckUtils]: 114: Hoare triple {8341#true} #res := 1; {8341#true} is VALID [2020-07-11 00:49:32,797 INFO L280 TraceCheckUtils]: 115: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,797 INFO L275 TraceCheckUtils]: 116: Hoare quadruple {8341#true} {8341#true} #67#return; {8341#true} is VALID [2020-07-11 00:49:32,798 INFO L280 TraceCheckUtils]: 117: Hoare triple {8341#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {8341#true} is VALID [2020-07-11 00:49:32,798 INFO L280 TraceCheckUtils]: 118: Hoare triple {8341#true} #res := #t~ret2 + #t~ret3; {8341#true} is VALID [2020-07-11 00:49:32,798 INFO L280 TraceCheckUtils]: 119: Hoare triple {8341#true} havoc #t~ret2; {8341#true} is VALID [2020-07-11 00:49:32,798 INFO L280 TraceCheckUtils]: 120: Hoare triple {8341#true} havoc #t~ret3; {8341#true} is VALID [2020-07-11 00:49:32,798 INFO L280 TraceCheckUtils]: 121: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,800 INFO L275 TraceCheckUtils]: 122: Hoare quadruple {8341#true} {8552#(<= |fibo1_#in~n| 5)} #71#return; {8552#(<= |fibo1_#in~n| 5)} is VALID [2020-07-11 00:49:32,801 INFO L280 TraceCheckUtils]: 123: Hoare triple {8552#(<= |fibo1_#in~n| 5)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {8552#(<= |fibo1_#in~n| 5)} is VALID [2020-07-11 00:49:32,801 INFO L280 TraceCheckUtils]: 124: Hoare triple {8552#(<= |fibo1_#in~n| 5)} #res := #t~ret0 + #t~ret1; {8552#(<= |fibo1_#in~n| 5)} is VALID [2020-07-11 00:49:32,802 INFO L280 TraceCheckUtils]: 125: Hoare triple {8552#(<= |fibo1_#in~n| 5)} havoc #t~ret1; {8552#(<= |fibo1_#in~n| 5)} is VALID [2020-07-11 00:49:32,802 INFO L280 TraceCheckUtils]: 126: Hoare triple {8552#(<= |fibo1_#in~n| 5)} havoc #t~ret0; {8552#(<= |fibo1_#in~n| 5)} is VALID [2020-07-11 00:49:32,803 INFO L280 TraceCheckUtils]: 127: Hoare triple {8552#(<= |fibo1_#in~n| 5)} assume true; {8552#(<= |fibo1_#in~n| 5)} is VALID [2020-07-11 00:49:32,804 INFO L275 TraceCheckUtils]: 128: Hoare quadruple {8552#(<= |fibo1_#in~n| 5)} {8345#(<= 6 main_~x~0)} #63#return; {8342#false} is VALID [2020-07-11 00:49:32,817 INFO L263 TraceCheckUtils]: 0: Hoare triple {8341#true} call ULTIMATE.init(); {8341#true} is VALID [2020-07-11 00:49:32,818 INFO L280 TraceCheckUtils]: 1: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,818 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {8341#true} {8341#true} #59#return; {8341#true} is VALID [2020-07-11 00:49:32,818 INFO L263 TraceCheckUtils]: 3: Hoare triple {8341#true} call #t~ret5 := main(); {8341#true} is VALID [2020-07-11 00:49:32,821 INFO L280 TraceCheckUtils]: 4: Hoare triple {8341#true} ~x~0 := 6; {8345#(<= 6 main_~x~0)} is VALID [2020-07-11 00:49:32,822 INFO L263 TraceCheckUtils]: 5: Hoare triple {8345#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {8341#true} is VALID [2020-07-11 00:49:32,822 INFO L280 TraceCheckUtils]: 6: Hoare triple {8341#true} ~n := #in~n; {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:32,823 INFO L280 TraceCheckUtils]: 7: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:32,823 INFO L280 TraceCheckUtils]: 8: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:32,824 INFO L263 TraceCheckUtils]: 9: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {8341#true} is VALID [2020-07-11 00:49:32,824 INFO L280 TraceCheckUtils]: 10: Hoare triple {8341#true} ~n := #in~n; {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:32,825 INFO L280 TraceCheckUtils]: 11: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:32,825 INFO L280 TraceCheckUtils]: 12: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:32,825 INFO L263 TraceCheckUtils]: 13: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8341#true} is VALID [2020-07-11 00:49:32,826 INFO L280 TraceCheckUtils]: 14: Hoare triple {8341#true} ~n := #in~n; {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:32,826 INFO L280 TraceCheckUtils]: 15: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:32,827 INFO L280 TraceCheckUtils]: 16: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:32,827 INFO L263 TraceCheckUtils]: 17: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {8341#true} is VALID [2020-07-11 00:49:32,828 INFO L280 TraceCheckUtils]: 18: Hoare triple {8341#true} ~n := #in~n; {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:32,828 INFO L280 TraceCheckUtils]: 19: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:32,829 INFO L280 TraceCheckUtils]: 20: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:49:32,829 INFO L263 TraceCheckUtils]: 21: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8341#true} is VALID [2020-07-11 00:49:32,829 INFO L280 TraceCheckUtils]: 22: Hoare triple {8341#true} ~n := #in~n; {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:32,830 INFO L280 TraceCheckUtils]: 23: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:49:32,830 INFO L280 TraceCheckUtils]: 24: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {8702#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:32,831 INFO L280 TraceCheckUtils]: 25: Hoare triple {8702#(<= |fibo1_#in~n| 1)} #res := 1; {8702#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:32,831 INFO L280 TraceCheckUtils]: 26: Hoare triple {8702#(<= |fibo1_#in~n| 1)} assume true; {8702#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:49:32,832 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {8702#(<= |fibo1_#in~n| 1)} {8594#(= fibo2_~n |fibo2_#in~n|)} #65#return; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,833 INFO L280 TraceCheckUtils]: 28: Hoare triple {8696#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,833 INFO L263 TraceCheckUtils]: 29: Hoare triple {8696#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {8341#true} is VALID [2020-07-11 00:49:32,833 INFO L280 TraceCheckUtils]: 30: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,833 INFO L280 TraceCheckUtils]: 31: Hoare triple {8341#true} assume ~n < 1; {8341#true} is VALID [2020-07-11 00:49:32,834 INFO L280 TraceCheckUtils]: 32: Hoare triple {8341#true} #res := 0; {8341#true} is VALID [2020-07-11 00:49:32,834 INFO L280 TraceCheckUtils]: 33: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,835 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {8341#true} {8696#(<= |fibo2_#in~n| 2)} #67#return; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,835 INFO L280 TraceCheckUtils]: 35: Hoare triple {8696#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,836 INFO L280 TraceCheckUtils]: 36: Hoare triple {8696#(<= |fibo2_#in~n| 2)} #res := #t~ret2 + #t~ret3; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,836 INFO L280 TraceCheckUtils]: 37: Hoare triple {8696#(<= |fibo2_#in~n| 2)} havoc #t~ret2; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,837 INFO L280 TraceCheckUtils]: 38: Hoare triple {8696#(<= |fibo2_#in~n| 2)} havoc #t~ret3; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,837 INFO L280 TraceCheckUtils]: 39: Hoare triple {8696#(<= |fibo2_#in~n| 2)} assume true; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:49:32,839 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {8696#(<= |fibo2_#in~n| 2)} {8475#(= fibo1_~n |fibo1_#in~n|)} #69#return; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:32,840 INFO L280 TraceCheckUtils]: 41: Hoare triple {8683#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:32,840 INFO L263 TraceCheckUtils]: 42: Hoare triple {8683#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {8341#true} is VALID [2020-07-11 00:49:32,841 INFO L280 TraceCheckUtils]: 43: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,841 INFO L280 TraceCheckUtils]: 44: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-11 00:49:32,841 INFO L280 TraceCheckUtils]: 45: Hoare triple {8341#true} assume 1 == ~n; {8341#true} is VALID [2020-07-11 00:49:32,841 INFO L280 TraceCheckUtils]: 46: Hoare triple {8341#true} #res := 1; {8341#true} is VALID [2020-07-11 00:49:32,842 INFO L280 TraceCheckUtils]: 47: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,843 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {8341#true} {8683#(<= |fibo1_#in~n| 3)} #71#return; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:32,844 INFO L280 TraceCheckUtils]: 49: Hoare triple {8683#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:32,844 INFO L280 TraceCheckUtils]: 50: Hoare triple {8683#(<= |fibo1_#in~n| 3)} #res := #t~ret0 + #t~ret1; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:32,845 INFO L280 TraceCheckUtils]: 51: Hoare triple {8683#(<= |fibo1_#in~n| 3)} havoc #t~ret1; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:32,845 INFO L280 TraceCheckUtils]: 52: Hoare triple {8683#(<= |fibo1_#in~n| 3)} havoc #t~ret0; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:32,846 INFO L280 TraceCheckUtils]: 53: Hoare triple {8683#(<= |fibo1_#in~n| 3)} assume true; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:49:32,848 INFO L275 TraceCheckUtils]: 54: Hoare quadruple {8683#(<= |fibo1_#in~n| 3)} {8594#(= fibo2_~n |fibo2_#in~n|)} #65#return; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-11 00:49:32,848 INFO L280 TraceCheckUtils]: 55: Hoare triple {8636#(<= |fibo2_#in~n| 4)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-11 00:49:32,849 INFO L263 TraceCheckUtils]: 56: Hoare triple {8636#(<= |fibo2_#in~n| 4)} call #t~ret3 := fibo1(~n - 2); {8341#true} is VALID [2020-07-11 00:49:32,849 INFO L280 TraceCheckUtils]: 57: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,849 INFO L280 TraceCheckUtils]: 58: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-11 00:49:32,849 INFO L280 TraceCheckUtils]: 59: Hoare triple {8341#true} assume !(1 == ~n); {8341#true} is VALID [2020-07-11 00:49:32,849 INFO L263 TraceCheckUtils]: 60: Hoare triple {8341#true} call #t~ret0 := fibo2(~n - 1); {8341#true} is VALID [2020-07-11 00:49:32,850 INFO L280 TraceCheckUtils]: 61: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,850 INFO L280 TraceCheckUtils]: 62: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-11 00:49:32,850 INFO L280 TraceCheckUtils]: 63: Hoare triple {8341#true} assume 1 == ~n; {8341#true} is VALID [2020-07-11 00:49:32,850 INFO L280 TraceCheckUtils]: 64: Hoare triple {8341#true} #res := 1; {8341#true} is VALID [2020-07-11 00:49:32,850 INFO L280 TraceCheckUtils]: 65: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,851 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {8341#true} {8341#true} #69#return; {8341#true} is VALID [2020-07-11 00:49:32,851 INFO L280 TraceCheckUtils]: 67: Hoare triple {8341#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8341#true} is VALID [2020-07-11 00:49:32,851 INFO L263 TraceCheckUtils]: 68: Hoare triple {8341#true} call #t~ret1 := fibo2(~n - 2); {8341#true} is VALID [2020-07-11 00:49:32,851 INFO L280 TraceCheckUtils]: 69: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,851 INFO L280 TraceCheckUtils]: 70: Hoare triple {8341#true} assume ~n < 1; {8341#true} is VALID [2020-07-11 00:49:32,852 INFO L280 TraceCheckUtils]: 71: Hoare triple {8341#true} #res := 0; {8341#true} is VALID [2020-07-11 00:49:32,852 INFO L280 TraceCheckUtils]: 72: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,852 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {8341#true} {8341#true} #71#return; {8341#true} is VALID [2020-07-11 00:49:32,852 INFO L280 TraceCheckUtils]: 74: Hoare triple {8341#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {8341#true} is VALID [2020-07-11 00:49:32,852 INFO L280 TraceCheckUtils]: 75: Hoare triple {8341#true} #res := #t~ret0 + #t~ret1; {8341#true} is VALID [2020-07-11 00:49:32,852 INFO L280 TraceCheckUtils]: 76: Hoare triple {8341#true} havoc #t~ret1; {8341#true} is VALID [2020-07-11 00:49:32,853 INFO L280 TraceCheckUtils]: 77: Hoare triple {8341#true} havoc #t~ret0; {8341#true} is VALID [2020-07-11 00:49:32,853 INFO L280 TraceCheckUtils]: 78: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,855 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {8341#true} {8636#(<= |fibo2_#in~n| 4)} #67#return; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-11 00:49:32,856 INFO L280 TraceCheckUtils]: 80: Hoare triple {8636#(<= |fibo2_#in~n| 4)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-11 00:49:32,856 INFO L280 TraceCheckUtils]: 81: Hoare triple {8636#(<= |fibo2_#in~n| 4)} #res := #t~ret2 + #t~ret3; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-11 00:49:32,857 INFO L280 TraceCheckUtils]: 82: Hoare triple {8636#(<= |fibo2_#in~n| 4)} havoc #t~ret2; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-11 00:49:32,857 INFO L280 TraceCheckUtils]: 83: Hoare triple {8636#(<= |fibo2_#in~n| 4)} havoc #t~ret3; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-11 00:49:32,858 INFO L280 TraceCheckUtils]: 84: Hoare triple {8636#(<= |fibo2_#in~n| 4)} assume true; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-11 00:49:32,859 INFO L275 TraceCheckUtils]: 85: Hoare quadruple {8636#(<= |fibo2_#in~n| 4)} {8475#(= fibo1_~n |fibo1_#in~n|)} #69#return; {8552#(<= |fibo1_#in~n| 5)} is VALID [2020-07-11 00:49:32,859 INFO L280 TraceCheckUtils]: 86: Hoare triple {8552#(<= |fibo1_#in~n| 5)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8552#(<= |fibo1_#in~n| 5)} is VALID [2020-07-11 00:49:32,860 INFO L263 TraceCheckUtils]: 87: Hoare triple {8552#(<= |fibo1_#in~n| 5)} call #t~ret1 := fibo2(~n - 2); {8341#true} is VALID [2020-07-11 00:49:32,860 INFO L280 TraceCheckUtils]: 88: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,860 INFO L280 TraceCheckUtils]: 89: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-11 00:49:32,860 INFO L280 TraceCheckUtils]: 90: Hoare triple {8341#true} assume !(1 == ~n); {8341#true} is VALID [2020-07-11 00:49:32,860 INFO L263 TraceCheckUtils]: 91: Hoare triple {8341#true} call #t~ret2 := fibo1(~n - 1); {8341#true} is VALID [2020-07-11 00:49:32,860 INFO L280 TraceCheckUtils]: 92: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,861 INFO L280 TraceCheckUtils]: 93: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-11 00:49:32,861 INFO L280 TraceCheckUtils]: 94: Hoare triple {8341#true} assume !(1 == ~n); {8341#true} is VALID [2020-07-11 00:49:32,861 INFO L263 TraceCheckUtils]: 95: Hoare triple {8341#true} call #t~ret0 := fibo2(~n - 1); {8341#true} is VALID [2020-07-11 00:49:32,861 INFO L280 TraceCheckUtils]: 96: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,861 INFO L280 TraceCheckUtils]: 97: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-11 00:49:32,862 INFO L280 TraceCheckUtils]: 98: Hoare triple {8341#true} assume 1 == ~n; {8341#true} is VALID [2020-07-11 00:49:32,862 INFO L280 TraceCheckUtils]: 99: Hoare triple {8341#true} #res := 1; {8341#true} is VALID [2020-07-11 00:49:32,862 INFO L280 TraceCheckUtils]: 100: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,862 INFO L275 TraceCheckUtils]: 101: Hoare quadruple {8341#true} {8341#true} #69#return; {8341#true} is VALID [2020-07-11 00:49:32,862 INFO L280 TraceCheckUtils]: 102: Hoare triple {8341#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8341#true} is VALID [2020-07-11 00:49:32,862 INFO L263 TraceCheckUtils]: 103: Hoare triple {8341#true} call #t~ret1 := fibo2(~n - 2); {8341#true} is VALID [2020-07-11 00:49:32,863 INFO L280 TraceCheckUtils]: 104: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,863 INFO L280 TraceCheckUtils]: 105: Hoare triple {8341#true} assume ~n < 1; {8341#true} is VALID [2020-07-11 00:49:32,863 INFO L280 TraceCheckUtils]: 106: Hoare triple {8341#true} #res := 0; {8341#true} is VALID [2020-07-11 00:49:32,863 INFO L280 TraceCheckUtils]: 107: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,863 INFO L275 TraceCheckUtils]: 108: Hoare quadruple {8341#true} {8341#true} #71#return; {8341#true} is VALID [2020-07-11 00:49:32,863 INFO L280 TraceCheckUtils]: 109: Hoare triple {8341#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {8341#true} is VALID [2020-07-11 00:49:32,864 INFO L280 TraceCheckUtils]: 110: Hoare triple {8341#true} #res := #t~ret0 + #t~ret1; {8341#true} is VALID [2020-07-11 00:49:32,864 INFO L280 TraceCheckUtils]: 111: Hoare triple {8341#true} havoc #t~ret1; {8341#true} is VALID [2020-07-11 00:49:32,864 INFO L280 TraceCheckUtils]: 112: Hoare triple {8341#true} havoc #t~ret0; {8341#true} is VALID [2020-07-11 00:49:32,864 INFO L280 TraceCheckUtils]: 113: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,864 INFO L275 TraceCheckUtils]: 114: Hoare quadruple {8341#true} {8341#true} #65#return; {8341#true} is VALID [2020-07-11 00:49:32,865 INFO L280 TraceCheckUtils]: 115: Hoare triple {8341#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8341#true} is VALID [2020-07-11 00:49:32,865 INFO L263 TraceCheckUtils]: 116: Hoare triple {8341#true} call #t~ret3 := fibo1(~n - 2); {8341#true} is VALID [2020-07-11 00:49:32,865 INFO L280 TraceCheckUtils]: 117: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-11 00:49:32,865 INFO L280 TraceCheckUtils]: 118: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-11 00:49:32,866 INFO L280 TraceCheckUtils]: 119: Hoare triple {8341#true} assume 1 == ~n; {8341#true} is VALID [2020-07-11 00:49:32,866 INFO L280 TraceCheckUtils]: 120: Hoare triple {8341#true} #res := 1; {8341#true} is VALID [2020-07-11 00:49:32,866 INFO L280 TraceCheckUtils]: 121: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,866 INFO L275 TraceCheckUtils]: 122: Hoare quadruple {8341#true} {8341#true} #67#return; {8341#true} is VALID [2020-07-11 00:49:32,867 INFO L280 TraceCheckUtils]: 123: Hoare triple {8341#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {8341#true} is VALID [2020-07-11 00:49:32,867 INFO L280 TraceCheckUtils]: 124: Hoare triple {8341#true} #res := #t~ret2 + #t~ret3; {8341#true} is VALID [2020-07-11 00:49:32,867 INFO L280 TraceCheckUtils]: 125: Hoare triple {8341#true} havoc #t~ret2; {8341#true} is VALID [2020-07-11 00:49:32,867 INFO L280 TraceCheckUtils]: 126: Hoare triple {8341#true} havoc #t~ret3; {8341#true} is VALID [2020-07-11 00:49:32,867 INFO L280 TraceCheckUtils]: 127: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-11 00:49:32,869 INFO L275 TraceCheckUtils]: 128: Hoare quadruple {8341#true} {8552#(<= |fibo1_#in~n| 5)} #71#return; {8552#(<= |fibo1_#in~n| 5)} is VALID [2020-07-11 00:49:32,870 INFO L280 TraceCheckUtils]: 129: Hoare triple {8552#(<= |fibo1_#in~n| 5)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {8552#(<= |fibo1_#in~n| 5)} is VALID [2020-07-11 00:49:32,870 INFO L280 TraceCheckUtils]: 130: Hoare triple {8552#(<= |fibo1_#in~n| 5)} #res := #t~ret0 + #t~ret1; {8552#(<= |fibo1_#in~n| 5)} is VALID [2020-07-11 00:49:32,871 INFO L280 TraceCheckUtils]: 131: Hoare triple {8552#(<= |fibo1_#in~n| 5)} havoc #t~ret1; {8552#(<= |fibo1_#in~n| 5)} is VALID [2020-07-11 00:49:32,872 INFO L280 TraceCheckUtils]: 132: Hoare triple {8552#(<= |fibo1_#in~n| 5)} havoc #t~ret0; {8552#(<= |fibo1_#in~n| 5)} is VALID [2020-07-11 00:49:32,872 INFO L280 TraceCheckUtils]: 133: Hoare triple {8552#(<= |fibo1_#in~n| 5)} assume true; {8552#(<= |fibo1_#in~n| 5)} is VALID [2020-07-11 00:49:32,874 INFO L275 TraceCheckUtils]: 134: Hoare quadruple {8552#(<= |fibo1_#in~n| 5)} {8345#(<= 6 main_~x~0)} #63#return; {8342#false} is VALID [2020-07-11 00:49:32,874 INFO L280 TraceCheckUtils]: 135: Hoare triple {8342#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {8342#false} is VALID [2020-07-11 00:49:32,874 INFO L280 TraceCheckUtils]: 136: Hoare triple {8342#false} ~result~0 := #t~ret4; {8342#false} is VALID [2020-07-11 00:49:32,875 INFO L280 TraceCheckUtils]: 137: Hoare triple {8342#false} havoc #t~ret4; {8342#false} is VALID [2020-07-11 00:49:32,875 INFO L280 TraceCheckUtils]: 138: Hoare triple {8342#false} assume 8 == ~result~0; {8342#false} is VALID [2020-07-11 00:49:32,875 INFO L280 TraceCheckUtils]: 139: Hoare triple {8342#false} assume !false; {8342#false} is VALID [2020-07-11 00:49:32,894 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 26 proven. 126 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2020-07-11 00:49:32,894 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [398929107] [2020-07-11 00:49:32,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 00:49:32,895 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-07-11 00:49:32,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728069617] [2020-07-11 00:49:32,897 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 140 [2020-07-11 00:49:32,898 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:49:32,898 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2020-07-11 00:49:33,002 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 93 edges. 93 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:49:33,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-11 00:49:33,003 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:49:33,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-11 00:49:33,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-07-11 00:49:33,004 INFO L87 Difference]: Start difference. First operand 105 states and 127 transitions. Second operand 10 states. [2020-07-11 00:49:34,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:49:34,424 INFO L93 Difference]: Finished difference Result 214 states and 288 transitions. [2020-07-11 00:49:34,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-11 00:49:34,425 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 140 [2020-07-11 00:49:34,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:49:34,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-11 00:49:34,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 132 transitions. [2020-07-11 00:49:34,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-11 00:49:34,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 132 transitions. [2020-07-11 00:49:34,430 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 132 transitions. [2020-07-11 00:49:34,583 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 132 edges. 132 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:49:34,594 INFO L225 Difference]: With dead ends: 214 [2020-07-11 00:49:34,594 INFO L226 Difference]: Without dead ends: 208 [2020-07-11 00:49:34,595 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2020-07-11 00:49:34,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-07-11 00:49:35,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 189. [2020-07-11 00:49:35,076 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:49:35,076 INFO L82 GeneralOperation]: Start isEquivalent. First operand 208 states. Second operand 189 states. [2020-07-11 00:49:35,076 INFO L74 IsIncluded]: Start isIncluded. First operand 208 states. Second operand 189 states. [2020-07-11 00:49:35,076 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 189 states. [2020-07-11 00:49:35,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:49:35,086 INFO L93 Difference]: Finished difference Result 208 states and 281 transitions. [2020-07-11 00:49:35,086 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 281 transitions. [2020-07-11 00:49:35,089 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:49:35,089 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:49:35,089 INFO L74 IsIncluded]: Start isIncluded. First operand 189 states. Second operand 208 states. [2020-07-11 00:49:35,089 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 208 states. [2020-07-11 00:49:35,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:49:35,100 INFO L93 Difference]: Finished difference Result 208 states and 281 transitions. [2020-07-11 00:49:35,100 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 281 transitions. [2020-07-11 00:49:35,102 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:49:35,103 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:49:35,103 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:49:35,103 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:49:35,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-07-11 00:49:35,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 256 transitions. [2020-07-11 00:49:35,112 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 256 transitions. Word has length 140 [2020-07-11 00:49:35,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:49:35,112 INFO L479 AbstractCegarLoop]: Abstraction has 189 states and 256 transitions. [2020-07-11 00:49:35,112 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-11 00:49:35,113 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 189 states and 256 transitions. [2020-07-11 00:49:35,544 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 256 edges. 256 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:49:35,544 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 256 transitions. [2020-07-11 00:49:35,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-07-11 00:49:35,549 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:49:35,549 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 00:49:35,549 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-11 00:49:35,550 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:49:35,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:49:35,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1117162661, now seen corresponding path program 3 times [2020-07-11 00:49:35,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:49:35,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [151708612] [2020-07-11 00:49:35,552 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:49:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-11 00:49:35,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-11 00:49:35,667 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-11 00:49:35,667 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-11 00:49:35,667 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-11 00:49:35,749 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-11 00:49:35,749 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-11 00:49:35,749 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-11 00:49:35,749 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-11 00:49:35,749 WARN L170 areAnnotationChecker]: fibo2ENTRY has no Hoare annotation [2020-07-11 00:49:35,749 WARN L170 areAnnotationChecker]: fibo1ENTRY has no Hoare annotation [2020-07-11 00:49:35,749 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-11 00:49:35,750 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-11 00:49:35,750 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-11 00:49:35,750 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-11 00:49:35,750 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-11 00:49:35,750 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2020-07-11 00:49:35,750 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2020-07-11 00:49:35,750 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-11 00:49:35,750 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-11 00:49:35,750 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-11 00:49:35,750 WARN L170 areAnnotationChecker]: L37-1 has no Hoare annotation [2020-07-11 00:49:35,751 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-11 00:49:35,751 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2020-07-11 00:49:35,751 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2020-07-11 00:49:35,751 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2020-07-11 00:49:35,751 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2020-07-11 00:49:35,751 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2020-07-11 00:49:35,753 WARN L170 areAnnotationChecker]: L37-2 has no Hoare annotation [2020-07-11 00:49:35,753 WARN L170 areAnnotationChecker]: fibo2FINAL has no Hoare annotation [2020-07-11 00:49:35,753 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-11 00:49:35,754 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-11 00:49:35,754 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-11 00:49:35,754 WARN L170 areAnnotationChecker]: fibo1FINAL has no Hoare annotation [2020-07-11 00:49:35,754 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-11 00:49:35,754 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-11 00:49:35,754 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-11 00:49:35,754 WARN L170 areAnnotationChecker]: L37-3 has no Hoare annotation [2020-07-11 00:49:35,754 WARN L170 areAnnotationChecker]: fibo2EXIT has no Hoare annotation [2020-07-11 00:49:35,754 WARN L170 areAnnotationChecker]: fibo2EXIT has no Hoare annotation [2020-07-11 00:49:35,754 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2020-07-11 00:49:35,755 WARN L170 areAnnotationChecker]: fibo1EXIT has no Hoare annotation [2020-07-11 00:49:35,755 WARN L170 areAnnotationChecker]: fibo1EXIT has no Hoare annotation [2020-07-11 00:49:35,755 WARN L170 areAnnotationChecker]: fibo1EXIT has no Hoare annotation [2020-07-11 00:49:35,755 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-11 00:49:35,755 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-11 00:49:35,755 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-11 00:49:35,755 WARN L170 areAnnotationChecker]: L13-3 has no Hoare annotation [2020-07-11 00:49:35,755 WARN L170 areAnnotationChecker]: L23-2 has no Hoare annotation [2020-07-11 00:49:35,755 WARN L170 areAnnotationChecker]: L23-2 has no Hoare annotation [2020-07-11 00:49:35,755 WARN L170 areAnnotationChecker]: L23-3 has no Hoare annotation [2020-07-11 00:49:35,756 WARN L170 areAnnotationChecker]: L13-2 has no Hoare annotation [2020-07-11 00:49:35,756 WARN L170 areAnnotationChecker]: L13-2 has no Hoare annotation [2020-07-11 00:49:35,756 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-11 00:49:35,756 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-11 00:49:35,756 WARN L170 areAnnotationChecker]: L38-2 has no Hoare annotation [2020-07-11 00:49:35,756 WARN L170 areAnnotationChecker]: L13-4 has no Hoare annotation [2020-07-11 00:49:35,756 WARN L170 areAnnotationChecker]: L23-4 has no Hoare annotation [2020-07-11 00:49:35,756 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-11 00:49:35,756 WARN L170 areAnnotationChecker]: L13-5 has no Hoare annotation [2020-07-11 00:49:35,757 WARN L170 areAnnotationChecker]: L23-5 has no Hoare annotation [2020-07-11 00:49:35,757 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-11 00:49:35,757 WARN L170 areAnnotationChecker]: L13-6 has no Hoare annotation [2020-07-11 00:49:35,757 WARN L170 areAnnotationChecker]: L23-6 has no Hoare annotation [2020-07-11 00:49:35,757 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-11 00:49:35,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.07 12:49:35 BoogieIcfgContainer [2020-07-11 00:49:35,762 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-11 00:49:35,770 INFO L168 Benchmark]: Toolchain (without parser) took 22223.54 ms. Allocated memory was 136.8 MB in the beginning and 429.4 MB in the end (delta: 292.6 MB). Free memory was 100.5 MB in the beginning and 315.4 MB in the end (delta: -214.9 MB). Peak memory consumption was 77.7 MB. Max. memory is 7.1 GB. [2020-07-11 00:49:35,773 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 136.8 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-11 00:49:35,773 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.59 ms. Allocated memory is still 136.8 MB. Free memory was 100.0 MB in the beginning and 89.9 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2020-07-11 00:49:35,774 INFO L168 Benchmark]: Boogie Preprocessor took 134.69 ms. Allocated memory was 136.8 MB in the beginning and 202.4 MB in the end (delta: 65.5 MB). Free memory was 89.9 MB in the beginning and 181.1 MB in the end (delta: -91.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. [2020-07-11 00:49:35,774 INFO L168 Benchmark]: RCFGBuilder took 420.72 ms. Allocated memory is still 202.4 MB. Free memory was 180.5 MB in the beginning and 159.8 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2020-07-11 00:49:35,776 INFO L168 Benchmark]: TraceAbstraction took 21361.72 ms. Allocated memory was 202.4 MB in the beginning and 429.4 MB in the end (delta: 227.0 MB). Free memory was 159.2 MB in the beginning and 315.4 MB in the end (delta: -156.2 MB). Peak memory consumption was 70.8 MB. Max. memory is 7.1 GB. [2020-07-11 00:49:35,780 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 0.24 ms. Allocated memory is still 136.8 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 299.59 ms. Allocated memory is still 136.8 MB. Free memory was 100.0 MB in the beginning and 89.9 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 134.69 ms. Allocated memory was 136.8 MB in the beginning and 202.4 MB in the end (delta: 65.5 MB). Free memory was 89.9 MB in the beginning and 181.1 MB in the end (delta: -91.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 420.72 ms. Allocated memory is still 202.4 MB. Free memory was 180.5 MB in the beginning and 159.8 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21361.72 ms. Allocated memory was 202.4 MB in the beginning and 429.4 MB in the end (delta: 227.0 MB). Free memory was 159.2 MB in the beginning and 315.4 MB in the end (delta: -156.2 MB). Peak memory consumption was 70.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 39]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L36] int x = 6; VAL [x=6] [L37] CALL, EXPR fibo1(x) VAL [\old(n)=6] [L8] COND FALSE !(n < 1) VAL [\old(n)=6, n=6] [L10] COND FALSE !(n == 1) VAL [\old(n)=6, n=6] [L13] CALL, EXPR fibo2(n-1) VAL [\old(n)=5] [L18] COND FALSE !(n < 1) VAL [\old(n)=5, n=5] [L20] COND FALSE !(n == 1) VAL [\old(n)=5, n=5] [L23] CALL, EXPR fibo1(n-1) VAL [\old(n)=4] [L8] COND FALSE !(n < 1) VAL [\old(n)=4, n=4] [L10] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L13] CALL, EXPR fibo2(n-1) VAL [\old(n)=3] [L18] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L20] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L23] CALL, EXPR fibo1(n-1) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo2(n-1) VAL [\old(n)=1] [L18] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L20] COND TRUE n == 1 VAL [\old(n)=1, n=1] [L21] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo2(n-1) VAL [\old(n)=2, fibo2(n-1)=1, n=2] [L13] CALL, EXPR fibo2(n-2) VAL [\old(n)=0] [L18] COND TRUE n < 1 VAL [\old(n)=0, n=0] [L19] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo2(n-2) VAL [\old(n)=2, fibo2(n-1)=1, fibo2(n-2)=0, n=2] [L13] return fibo2(n-1) + fibo2(n-2); VAL [\old(n)=2, \result=1, fibo2(n-1)=1, fibo2(n-2)=0, n=2] [L23] RET, EXPR fibo1(n-1) VAL [\old(n)=3, fibo1(n-1)=1, n=3] [L23] CALL, EXPR fibo1(n-2) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 VAL [\old(n)=1, n=1] [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L23] RET, EXPR fibo1(n-2) VAL [\old(n)=3, fibo1(n-1)=1, fibo1(n-2)=1, n=3] [L23] return fibo1(n-1) + fibo1(n-2); VAL [\old(n)=3, \result=2, fibo1(n-1)=1, fibo1(n-2)=1, n=3] [L13] RET, EXPR fibo2(n-1) VAL [\old(n)=4, fibo2(n-1)=2, n=4] [L13] CALL, EXPR fibo2(n-2) VAL [\old(n)=2] [L18] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L20] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L23] CALL, EXPR fibo1(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 VAL [\old(n)=1, n=1] [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L23] RET, EXPR fibo1(n-1) VAL [\old(n)=2, fibo1(n-1)=1, n=2] [L23] CALL, EXPR fibo1(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 VAL [\old(n)=0, n=0] [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L23] RET, EXPR fibo1(n-2) VAL [\old(n)=2, fibo1(n-1)=1, fibo1(n-2)=0, n=2] [L23] return fibo1(n-1) + fibo1(n-2); VAL [\old(n)=2, \result=1, fibo1(n-1)=1, fibo1(n-2)=0, n=2] [L13] RET, EXPR fibo2(n-2) VAL [\old(n)=4, fibo2(n-1)=2, fibo2(n-2)=1, n=4] [L13] return fibo2(n-1) + fibo2(n-2); VAL [\old(n)=4, \result=3, fibo2(n-1)=2, fibo2(n-2)=1, n=4] [L23] RET, EXPR fibo1(n-1) VAL [\old(n)=5, fibo1(n-1)=3, n=5] [L23] CALL, EXPR fibo1(n-2) VAL [\old(n)=3] [L8] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L10] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L13] CALL, EXPR fibo2(n-1) VAL [\old(n)=2] [L18] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L20] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L23] CALL, EXPR fibo1(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 VAL [\old(n)=1, n=1] [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L23] RET, EXPR fibo1(n-1) VAL [\old(n)=2, fibo1(n-1)=1, n=2] [L23] CALL, EXPR fibo1(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 VAL [\old(n)=0, n=0] [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L23] RET, EXPR fibo1(n-2) VAL [\old(n)=2, fibo1(n-1)=1, fibo1(n-2)=0, n=2] [L23] return fibo1(n-1) + fibo1(n-2); VAL [\old(n)=2, \result=1, fibo1(n-1)=1, fibo1(n-2)=0, n=2] [L13] RET, EXPR fibo2(n-1) VAL [\old(n)=3, fibo2(n-1)=1, n=3] [L13] CALL, EXPR fibo2(n-2) VAL [\old(n)=1] [L18] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L20] COND TRUE n == 1 VAL [\old(n)=1, n=1] [L21] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo2(n-2) VAL [\old(n)=3, fibo2(n-1)=1, fibo2(n-2)=1, n=3] [L13] return fibo2(n-1) + fibo2(n-2); VAL [\old(n)=3, \result=2, fibo2(n-1)=1, fibo2(n-2)=1, n=3] [L23] RET, EXPR fibo1(n-2) VAL [\old(n)=5, fibo1(n-1)=3, fibo1(n-2)=2, n=5] [L23] return fibo1(n-1) + fibo1(n-2); VAL [\old(n)=5, \result=5, fibo1(n-1)=3, fibo1(n-2)=2, n=5] [L13] RET, EXPR fibo2(n-1) VAL [\old(n)=6, fibo2(n-1)=5, n=6] [L13] CALL, EXPR fibo2(n-2) VAL [\old(n)=4] [L18] COND FALSE !(n < 1) VAL [\old(n)=4, n=4] [L20] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L23] CALL, EXPR fibo1(n-1) VAL [\old(n)=3] [L8] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L10] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L13] CALL, EXPR fibo2(n-1) VAL [\old(n)=2] [L18] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L20] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L23] CALL, EXPR fibo1(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 VAL [\old(n)=1, n=1] [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L23] RET, EXPR fibo1(n-1) VAL [\old(n)=2, fibo1(n-1)=1, n=2] [L23] CALL, EXPR fibo1(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 VAL [\old(n)=0, n=0] [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L23] RET, EXPR fibo1(n-2) VAL [\old(n)=2, fibo1(n-1)=1, fibo1(n-2)=0, n=2] [L23] return fibo1(n-1) + fibo1(n-2); VAL [\old(n)=2, \result=1, fibo1(n-1)=1, fibo1(n-2)=0, n=2] [L13] RET, EXPR fibo2(n-1) VAL [\old(n)=3, fibo2(n-1)=1, n=3] [L13] CALL, EXPR fibo2(n-2) VAL [\old(n)=1] [L18] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L20] COND TRUE n == 1 VAL [\old(n)=1, n=1] [L21] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo2(n-2) VAL [\old(n)=3, fibo2(n-1)=1, fibo2(n-2)=1, n=3] [L13] return fibo2(n-1) + fibo2(n-2); VAL [\old(n)=3, \result=2, fibo2(n-1)=1, fibo2(n-2)=1, n=3] [L23] RET, EXPR fibo1(n-1) VAL [\old(n)=4, fibo1(n-1)=2, n=4] [L23] CALL, EXPR fibo1(n-2) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo2(n-1) VAL [\old(n)=1] [L18] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L20] COND TRUE n == 1 VAL [\old(n)=1, n=1] [L21] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo2(n-1) VAL [\old(n)=2, fibo2(n-1)=1, n=2] [L13] CALL, EXPR fibo2(n-2) VAL [\old(n)=0] [L18] COND TRUE n < 1 VAL [\old(n)=0, n=0] [L19] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo2(n-2) VAL [\old(n)=2, fibo2(n-1)=1, fibo2(n-2)=0, n=2] [L13] return fibo2(n-1) + fibo2(n-2); VAL [\old(n)=2, \result=1, fibo2(n-1)=1, fibo2(n-2)=0, n=2] [L23] RET, EXPR fibo1(n-2) VAL [\old(n)=4, fibo1(n-1)=2, fibo1(n-2)=1, n=4] [L23] return fibo1(n-1) + fibo1(n-2); VAL [\old(n)=4, \result=3, fibo1(n-1)=2, fibo1(n-2)=1, n=4] [L13] RET, EXPR fibo2(n-2) VAL [\old(n)=6, fibo2(n-1)=5, fibo2(n-2)=3, n=6] [L13] return fibo2(n-1) + fibo2(n-2); VAL [\old(n)=6, \result=8, fibo2(n-1)=5, fibo2(n-2)=3, n=6] [L37] RET, EXPR fibo1(x) VAL [fibo1(x)=8, x=6] [L37] int result = fibo1(x); VAL [fibo1(x)=8, result=8, x=6] [L38] COND TRUE result == 8 VAL [result=8, x=6] [L39] __VERIFIER_error() VAL [result=8, x=6] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 21.2s, OverallIterations: 13, TraceHistogramMax: 13, AutomataDifference: 11.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 524 SDtfs, 528 SDslu, 2120 SDs, 0 SdLazy, 1448 SolverSat, 168 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 315 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=189occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 88 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 988 NumberOfCodeBlocks, 988 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 748 ConstructedInterpolants, 0 QuantifiedInterpolants, 111934 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 2 PerfectInterpolantSequences, 523/815 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 incorrect! Received shutdown request...