/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 0.1.25-267fbe0 [2020-07-18 04:55:16,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 04:55:16,864 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 04:55:16,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 04:55:16,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 04:55:16,885 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 04:55:16,887 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 04:55:16,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 04:55:16,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 04:55:16,903 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 04:55:16,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 04:55:16,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 04:55:16,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 04:55:16,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 04:55:16,910 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 04:55:16,912 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 04:55:16,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 04:55:16,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 04:55:16,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 04:55:16,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 04:55:16,924 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 04:55:16,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 04:55:16,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 04:55:16,928 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 04:55:16,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 04:55:16,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 04:55:16,931 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 04:55:16,934 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 04:55:16,934 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 04:55:16,936 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-07-18 04:55:16,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 04:55:16,941 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 04:55:16,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 04:55:16,943 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 04:55:16,970 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 04:55:16,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 04:55:16,972 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 04:55:16,972 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 04:55:16,972 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 04:55:16,972 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 04:55:16,972 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 04:55:16,973 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 04:55:16,973 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 04:55:16,973 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 04:55:16,973 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 04:55:16,973 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 04:55:16,973 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 04:55:16,974 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 04:55:16,974 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 04:55:16,974 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 04:55:16,974 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 04:55:16,974 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 04:55:16,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 04:55:16,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 04:55:16,975 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 04:55:16,975 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 04:55:16,975 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 [2020-07-18 04:55:17,270 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 04:55:17,285 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 04:55:17,289 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 04:55:17,290 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 04:55:17,290 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 04:55:17,291 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_6-2.c [2020-07-18 04:55:17,369 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/928ee5856/2f9a4f21417c431fbc6ef7d2328c4d09/FLAG6b9d4e912 [2020-07-18 04:55:17,802 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 04:55:17,803 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/fibo_2calls_6-2.c [2020-07-18 04:55:17,810 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/928ee5856/2f9a4f21417c431fbc6ef7d2328c4d09/FLAG6b9d4e912 [2020-07-18 04:55:18,232 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/928ee5856/2f9a4f21417c431fbc6ef7d2328c4d09 [2020-07-18 04:55:18,242 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 04:55:18,245 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 04:55:18,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 04:55:18,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 04:55:18,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 04:55:18,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 04:55:18" (1/1) ... [2020-07-18 04:55:18,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eaef255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:55:18, skipping insertion in model container [2020-07-18 04:55:18,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 04:55:18" (1/1) ... [2020-07-18 04:55:18,261 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 04:55:18,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 04:55:18,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 04:55:18,442 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 04:55:18,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 04:55:18,475 INFO L208 MainTranslator]: Completed translation [2020-07-18 04:55:18,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:55:18 WrapperNode [2020-07-18 04:55:18,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 04:55:18,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 04:55:18,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 04:55:18,477 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 04:55:18,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:55:18" (1/1) ... [2020-07-18 04:55:18,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:55:18" (1/1) ... [2020-07-18 04:55:18,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:55:18" (1/1) ... [2020-07-18 04:55:18,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:55:18" (1/1) ... [2020-07-18 04:55:18,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:55:18" (1/1) ... [2020-07-18 04:55:18,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:55:18" (1/1) ... [2020-07-18 04:55:18,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:55:18" (1/1) ... [2020-07-18 04:55:18,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 04:55:18,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 04:55:18,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 04:55:18,592 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 04:55:18,593 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:55:18" (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 [2020-07-18 04:55:18,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 04:55:18,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 04:55:18,654 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-07-18 04:55:18,654 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-07-18 04:55:18,655 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 04:55:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-18 04:55:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 04:55:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-07-18 04:55:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-07-18 04:55:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 04:55:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 04:55:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 04:55:18,988 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 04:55:18,989 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-18 04:55:18,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 04:55:18 BoogieIcfgContainer [2020-07-18 04:55:18,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 04:55:18,994 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 04:55:18,994 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 04:55:18,997 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 04:55:18,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 04:55:18" (1/3) ... [2020-07-18 04:55:18,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c3706 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 04:55:18, skipping insertion in model container [2020-07-18 04:55:18,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:55:18" (2/3) ... [2020-07-18 04:55:18,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c3706 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 04:55:18, skipping insertion in model container [2020-07-18 04:55:18,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 04:55:18" (3/3) ... [2020-07-18 04:55:19,000 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_6-2.c [2020-07-18 04:55:19,009 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 04:55:19,016 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 04:55:19,027 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 04:55:19,045 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 04:55:19,045 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 04:55:19,045 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-18 04:55:19,046 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 04:55:19,046 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 04:55:19,046 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 04:55:19,046 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 04:55:19,046 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 04:55:19,058 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2020-07-18 04:55:19,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-18 04:55:19,069 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:55:19,070 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 04:55:19,070 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:55:19,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:55:19,077 INFO L82 PathProgramCache]: Analyzing trace with hash -1089710179, now seen corresponding path program 1 times [2020-07-18 04:55:19,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:55:19,085 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1468367999] [2020-07-18 04:55:19,085 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:55:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:19,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:19,260 INFO L280 TraceCheckUtils]: 0: Hoare triple {48#true} assume true; {48#true} is VALID [2020-07-18 04:55:19,261 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {48#true} {48#true} #59#return; {48#true} is VALID [2020-07-18 04:55:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:19,325 INFO L280 TraceCheckUtils]: 0: Hoare triple {48#true} ~n := #in~n; {58#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:19,326 INFO L280 TraceCheckUtils]: 1: Hoare triple {58#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {59#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:55:19,327 INFO L280 TraceCheckUtils]: 2: Hoare triple {59#(<= |fibo1_#in~n| 0)} #res := 0; {59#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:55:19,328 INFO L280 TraceCheckUtils]: 3: Hoare triple {59#(<= |fibo1_#in~n| 0)} assume true; {59#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:55:19,330 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {59#(<= |fibo1_#in~n| 0)} {52#(<= 6 main_~x~0)} #63#return; {49#false} is VALID [2020-07-18 04:55:19,331 INFO L263 TraceCheckUtils]: 0: Hoare triple {48#true} call ULTIMATE.init(); {48#true} is VALID [2020-07-18 04:55:19,332 INFO L280 TraceCheckUtils]: 1: Hoare triple {48#true} assume true; {48#true} is VALID [2020-07-18 04:55:19,332 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {48#true} {48#true} #59#return; {48#true} is VALID [2020-07-18 04:55:19,332 INFO L263 TraceCheckUtils]: 3: Hoare triple {48#true} call #t~ret5 := main(); {48#true} is VALID [2020-07-18 04:55:19,334 INFO L280 TraceCheckUtils]: 4: Hoare triple {48#true} ~x~0 := 6; {52#(<= 6 main_~x~0)} is VALID [2020-07-18 04:55:19,334 INFO L263 TraceCheckUtils]: 5: Hoare triple {52#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {48#true} is VALID [2020-07-18 04:55:19,335 INFO L280 TraceCheckUtils]: 6: Hoare triple {48#true} ~n := #in~n; {58#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:19,336 INFO L280 TraceCheckUtils]: 7: Hoare triple {58#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {59#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:55:19,337 INFO L280 TraceCheckUtils]: 8: Hoare triple {59#(<= |fibo1_#in~n| 0)} #res := 0; {59#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:55:19,338 INFO L280 TraceCheckUtils]: 9: Hoare triple {59#(<= |fibo1_#in~n| 0)} assume true; {59#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:55:19,340 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {59#(<= |fibo1_#in~n| 0)} {52#(<= 6 main_~x~0)} #63#return; {49#false} is VALID [2020-07-18 04:55:19,341 INFO L280 TraceCheckUtils]: 11: Hoare triple {49#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {49#false} is VALID [2020-07-18 04:55:19,341 INFO L280 TraceCheckUtils]: 12: Hoare triple {49#false} ~result~0 := #t~ret4; {49#false} is VALID [2020-07-18 04:55:19,342 INFO L280 TraceCheckUtils]: 13: Hoare triple {49#false} havoc #t~ret4; {49#false} is VALID [2020-07-18 04:55:19,342 INFO L280 TraceCheckUtils]: 14: Hoare triple {49#false} assume 8 == ~result~0; {49#false} is VALID [2020-07-18 04:55:19,343 INFO L280 TraceCheckUtils]: 15: Hoare triple {49#false} assume !false; {49#false} is VALID [2020-07-18 04:55:19,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 04:55:19,346 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1468367999] [2020-07-18 04:55:19,348 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 04:55:19,348 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-18 04:55:19,349 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646483201] [2020-07-18 04:55:19,356 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-07-18 04:55:19,359 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 04:55:19,363 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-18 04:55:19,413 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:55:19,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-18 04:55:19,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 04:55:19,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-18 04:55:19,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-18 04:55:19,427 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 5 states. [2020-07-18 04:55:19,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:55:19,883 INFO L93 Difference]: Finished difference Result 58 states and 67 transitions. [2020-07-18 04:55:19,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-18 04:55:19,884 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-07-18 04:55:19,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 04:55:19,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-18 04:55:19,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 67 transitions. [2020-07-18 04:55:19,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-18 04:55:19,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 67 transitions. [2020-07-18 04:55:19,923 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 67 transitions. [2020-07-18 04:55:20,029 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:55:20,053 INFO L225 Difference]: With dead ends: 58 [2020-07-18 04:55:20,053 INFO L226 Difference]: Without dead ends: 42 [2020-07-18 04:55:20,064 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 [2020-07-18 04:55:20,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-07-18 04:55:20,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-07-18 04:55:20,141 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 04:55:20,142 INFO L82 GeneralOperation]: Start isEquivalent. First operand 42 states. Second operand 42 states. [2020-07-18 04:55:20,143 INFO L74 IsIncluded]: Start isIncluded. First operand 42 states. Second operand 42 states. [2020-07-18 04:55:20,143 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 42 states. [2020-07-18 04:55:20,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:55:20,151 INFO L93 Difference]: Finished difference Result 42 states and 49 transitions. [2020-07-18 04:55:20,151 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2020-07-18 04:55:20,152 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:55:20,152 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:55:20,153 INFO L74 IsIncluded]: Start isIncluded. First operand 42 states. Second operand 42 states. [2020-07-18 04:55:20,153 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 42 states. [2020-07-18 04:55:20,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:55:20,159 INFO L93 Difference]: Finished difference Result 42 states and 49 transitions. [2020-07-18 04:55:20,159 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2020-07-18 04:55:20,160 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:55:20,161 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:55:20,161 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 04:55:20,161 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 04:55:20,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-07-18 04:55:20,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2020-07-18 04:55:20,167 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 16 [2020-07-18 04:55:20,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 04:55:20,168 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2020-07-18 04:55:20,168 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-18 04:55:20,168 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 42 states and 49 transitions. [2020-07-18 04:55:20,235 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:55:20,236 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2020-07-18 04:55:20,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-18 04:55:20,237 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:55:20,237 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 04:55:20,238 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 04:55:20,238 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:55:20,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:55:20,238 INFO L82 PathProgramCache]: Analyzing trace with hash -653728005, now seen corresponding path program 1 times [2020-07-18 04:55:20,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:55:20,239 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [359762149] [2020-07-18 04:55:20,239 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:55:20,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:20,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:20,274 INFO L280 TraceCheckUtils]: 0: Hoare triple {348#true} assume true; {348#true} is VALID [2020-07-18 04:55:20,274 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {348#true} {348#true} #59#return; {348#true} is VALID [2020-07-18 04:55:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:20,305 INFO L280 TraceCheckUtils]: 0: Hoare triple {348#true} ~n := #in~n; {359#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:20,306 INFO L280 TraceCheckUtils]: 1: Hoare triple {359#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {359#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:20,306 INFO L280 TraceCheckUtils]: 2: Hoare triple {359#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {360#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:20,307 INFO L280 TraceCheckUtils]: 3: Hoare triple {360#(<= |fibo1_#in~n| 1)} #res := 1; {360#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:20,308 INFO L280 TraceCheckUtils]: 4: Hoare triple {360#(<= |fibo1_#in~n| 1)} assume true; {360#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:20,309 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {360#(<= |fibo1_#in~n| 1)} {352#(<= 6 main_~x~0)} #63#return; {349#false} is VALID [2020-07-18 04:55:20,310 INFO L263 TraceCheckUtils]: 0: Hoare triple {348#true} call ULTIMATE.init(); {348#true} is VALID [2020-07-18 04:55:20,310 INFO L280 TraceCheckUtils]: 1: Hoare triple {348#true} assume true; {348#true} is VALID [2020-07-18 04:55:20,310 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {348#true} {348#true} #59#return; {348#true} is VALID [2020-07-18 04:55:20,310 INFO L263 TraceCheckUtils]: 3: Hoare triple {348#true} call #t~ret5 := main(); {348#true} is VALID [2020-07-18 04:55:20,311 INFO L280 TraceCheckUtils]: 4: Hoare triple {348#true} ~x~0 := 6; {352#(<= 6 main_~x~0)} is VALID [2020-07-18 04:55:20,312 INFO L263 TraceCheckUtils]: 5: Hoare triple {352#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {348#true} is VALID [2020-07-18 04:55:20,312 INFO L280 TraceCheckUtils]: 6: Hoare triple {348#true} ~n := #in~n; {359#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:20,313 INFO L280 TraceCheckUtils]: 7: Hoare triple {359#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {359#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:20,314 INFO L280 TraceCheckUtils]: 8: Hoare triple {359#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {360#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:20,314 INFO L280 TraceCheckUtils]: 9: Hoare triple {360#(<= |fibo1_#in~n| 1)} #res := 1; {360#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:20,315 INFO L280 TraceCheckUtils]: 10: Hoare triple {360#(<= |fibo1_#in~n| 1)} assume true; {360#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:20,316 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {360#(<= |fibo1_#in~n| 1)} {352#(<= 6 main_~x~0)} #63#return; {349#false} is VALID [2020-07-18 04:55:20,317 INFO L280 TraceCheckUtils]: 12: Hoare triple {349#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {349#false} is VALID [2020-07-18 04:55:20,317 INFO L280 TraceCheckUtils]: 13: Hoare triple {349#false} ~result~0 := #t~ret4; {349#false} is VALID [2020-07-18 04:55:20,317 INFO L280 TraceCheckUtils]: 14: Hoare triple {349#false} havoc #t~ret4; {349#false} is VALID [2020-07-18 04:55:20,318 INFO L280 TraceCheckUtils]: 15: Hoare triple {349#false} assume 8 == ~result~0; {349#false} is VALID [2020-07-18 04:55:20,318 INFO L280 TraceCheckUtils]: 16: Hoare triple {349#false} assume !false; {349#false} is VALID [2020-07-18 04:55:20,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 04:55:20,319 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [359762149] [2020-07-18 04:55:20,320 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 04:55:20,320 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-18 04:55:20,320 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995972372] [2020-07-18 04:55:20,322 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-07-18 04:55:20,322 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 04:55:20,322 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-18 04:55:20,341 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:55:20,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-18 04:55:20,341 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 04:55:20,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-18 04:55:20,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-18 04:55:20,342 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand 5 states. [2020-07-18 04:55:20,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:55:20,561 INFO L93 Difference]: Finished difference Result 50 states and 58 transitions. [2020-07-18 04:55:20,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-18 04:55:20,561 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-07-18 04:55:20,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 04:55:20,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-18 04:55:20,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 55 transitions. [2020-07-18 04:55:20,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-18 04:55:20,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 55 transitions. [2020-07-18 04:55:20,568 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 55 transitions. [2020-07-18 04:55:20,634 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:55:20,637 INFO L225 Difference]: With dead ends: 50 [2020-07-18 04:55:20,637 INFO L226 Difference]: Without dead ends: 44 [2020-07-18 04:55:20,639 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 [2020-07-18 04:55:20,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-07-18 04:55:20,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 42. [2020-07-18 04:55:20,687 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 04:55:20,687 INFO L82 GeneralOperation]: Start isEquivalent. First operand 44 states. Second operand 42 states. [2020-07-18 04:55:20,687 INFO L74 IsIncluded]: Start isIncluded. First operand 44 states. Second operand 42 states. [2020-07-18 04:55:20,687 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 42 states. [2020-07-18 04:55:20,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:55:20,692 INFO L93 Difference]: Finished difference Result 44 states and 52 transitions. [2020-07-18 04:55:20,693 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2020-07-18 04:55:20,694 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:55:20,694 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:55:20,694 INFO L74 IsIncluded]: Start isIncluded. First operand 42 states. Second operand 44 states. [2020-07-18 04:55:20,695 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 44 states. [2020-07-18 04:55:20,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:55:20,699 INFO L93 Difference]: Finished difference Result 44 states and 52 transitions. [2020-07-18 04:55:20,700 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2020-07-18 04:55:20,701 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:55:20,701 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:55:20,701 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 04:55:20,702 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 04:55:20,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-07-18 04:55:20,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2020-07-18 04:55:20,705 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 17 [2020-07-18 04:55:20,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 04:55:20,706 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2020-07-18 04:55:20,706 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-18 04:55:20,706 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 42 states and 49 transitions. [2020-07-18 04:55:20,767 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:55:20,768 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2020-07-18 04:55:20,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-18 04:55:20,769 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:55:20,770 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] [2020-07-18 04:55:20,770 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 04:55:20,770 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:55:20,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:55:20,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1617834856, now seen corresponding path program 1 times [2020-07-18 04:55:20,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:55:20,771 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [789968763] [2020-07-18 04:55:20,772 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:55:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:20,835 INFO L280 TraceCheckUtils]: 0: Hoare triple {637#true} assume true; {637#true} is VALID [2020-07-18 04:55:20,836 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {637#true} {637#true} #59#return; {637#true} is VALID [2020-07-18 04:55:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:20,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:20,928 INFO L280 TraceCheckUtils]: 0: Hoare triple {637#true} ~n := #in~n; {676#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:20,929 INFO L280 TraceCheckUtils]: 1: Hoare triple {676#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-18 04:55:20,930 INFO L280 TraceCheckUtils]: 2: Hoare triple {677#(<= |fibo2_#in~n| 0)} #res := 0; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-18 04:55:20,930 INFO L280 TraceCheckUtils]: 3: Hoare triple {677#(<= |fibo2_#in~n| 0)} assume true; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-18 04:55:20,932 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {677#(<= |fibo2_#in~n| 0)} {665#(< 1 fibo1_~n)} #69#return; {638#false} is VALID [2020-07-18 04:55:20,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:20,938 INFO L280 TraceCheckUtils]: 0: Hoare triple {637#true} ~n := #in~n; {637#true} is VALID [2020-07-18 04:55:20,938 INFO L280 TraceCheckUtils]: 1: Hoare triple {637#true} assume ~n < 1; {637#true} is VALID [2020-07-18 04:55:20,939 INFO L280 TraceCheckUtils]: 2: Hoare triple {637#true} #res := 0; {637#true} is VALID [2020-07-18 04:55:20,939 INFO L280 TraceCheckUtils]: 3: Hoare triple {637#true} assume true; {637#true} is VALID [2020-07-18 04:55:20,939 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {637#true} {638#false} #71#return; {638#false} is VALID [2020-07-18 04:55:20,940 INFO L280 TraceCheckUtils]: 0: Hoare triple {637#true} ~n := #in~n; {637#true} is VALID [2020-07-18 04:55:20,941 INFO L280 TraceCheckUtils]: 1: Hoare triple {637#true} assume !(~n < 1); {664#(< 0 fibo1_~n)} is VALID [2020-07-18 04:55:20,942 INFO L280 TraceCheckUtils]: 2: Hoare triple {664#(< 0 fibo1_~n)} assume !(1 == ~n); {665#(< 1 fibo1_~n)} is VALID [2020-07-18 04:55:20,942 INFO L263 TraceCheckUtils]: 3: Hoare triple {665#(< 1 fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {637#true} is VALID [2020-07-18 04:55:20,943 INFO L280 TraceCheckUtils]: 4: Hoare triple {637#true} ~n := #in~n; {676#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:20,943 INFO L280 TraceCheckUtils]: 5: Hoare triple {676#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-18 04:55:20,944 INFO L280 TraceCheckUtils]: 6: Hoare triple {677#(<= |fibo2_#in~n| 0)} #res := 0; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-18 04:55:20,945 INFO L280 TraceCheckUtils]: 7: Hoare triple {677#(<= |fibo2_#in~n| 0)} assume true; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-18 04:55:20,946 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {677#(<= |fibo2_#in~n| 0)} {665#(< 1 fibo1_~n)} #69#return; {638#false} is VALID [2020-07-18 04:55:20,946 INFO L280 TraceCheckUtils]: 9: Hoare triple {638#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {638#false} is VALID [2020-07-18 04:55:20,947 INFO L263 TraceCheckUtils]: 10: Hoare triple {638#false} call #t~ret1 := fibo2(~n - 2); {637#true} is VALID [2020-07-18 04:55:20,947 INFO L280 TraceCheckUtils]: 11: Hoare triple {637#true} ~n := #in~n; {637#true} is VALID [2020-07-18 04:55:20,947 INFO L280 TraceCheckUtils]: 12: Hoare triple {637#true} assume ~n < 1; {637#true} is VALID [2020-07-18 04:55:20,947 INFO L280 TraceCheckUtils]: 13: Hoare triple {637#true} #res := 0; {637#true} is VALID [2020-07-18 04:55:20,948 INFO L280 TraceCheckUtils]: 14: Hoare triple {637#true} assume true; {637#true} is VALID [2020-07-18 04:55:20,948 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {637#true} {638#false} #71#return; {638#false} is VALID [2020-07-18 04:55:20,948 INFO L280 TraceCheckUtils]: 16: Hoare triple {638#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {638#false} is VALID [2020-07-18 04:55:20,949 INFO L280 TraceCheckUtils]: 17: Hoare triple {638#false} #res := #t~ret0 + #t~ret1; {638#false} is VALID [2020-07-18 04:55:20,949 INFO L280 TraceCheckUtils]: 18: Hoare triple {638#false} havoc #t~ret1; {638#false} is VALID [2020-07-18 04:55:20,949 INFO L280 TraceCheckUtils]: 19: Hoare triple {638#false} havoc #t~ret0; {638#false} is VALID [2020-07-18 04:55:20,949 INFO L280 TraceCheckUtils]: 20: Hoare triple {638#false} assume true; {638#false} is VALID [2020-07-18 04:55:20,950 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {638#false} {641#(<= 6 main_~x~0)} #63#return; {638#false} is VALID [2020-07-18 04:55:20,951 INFO L263 TraceCheckUtils]: 0: Hoare triple {637#true} call ULTIMATE.init(); {637#true} is VALID [2020-07-18 04:55:20,951 INFO L280 TraceCheckUtils]: 1: Hoare triple {637#true} assume true; {637#true} is VALID [2020-07-18 04:55:20,951 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {637#true} {637#true} #59#return; {637#true} is VALID [2020-07-18 04:55:20,952 INFO L263 TraceCheckUtils]: 3: Hoare triple {637#true} call #t~ret5 := main(); {637#true} is VALID [2020-07-18 04:55:20,952 INFO L280 TraceCheckUtils]: 4: Hoare triple {637#true} ~x~0 := 6; {641#(<= 6 main_~x~0)} is VALID [2020-07-18 04:55:20,953 INFO L263 TraceCheckUtils]: 5: Hoare triple {641#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {637#true} is VALID [2020-07-18 04:55:20,953 INFO L280 TraceCheckUtils]: 6: Hoare triple {637#true} ~n := #in~n; {637#true} is VALID [2020-07-18 04:55:20,954 INFO L280 TraceCheckUtils]: 7: Hoare triple {637#true} assume !(~n < 1); {664#(< 0 fibo1_~n)} is VALID [2020-07-18 04:55:20,955 INFO L280 TraceCheckUtils]: 8: Hoare triple {664#(< 0 fibo1_~n)} assume !(1 == ~n); {665#(< 1 fibo1_~n)} is VALID [2020-07-18 04:55:20,955 INFO L263 TraceCheckUtils]: 9: Hoare triple {665#(< 1 fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {637#true} is VALID [2020-07-18 04:55:20,956 INFO L280 TraceCheckUtils]: 10: Hoare triple {637#true} ~n := #in~n; {676#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:20,956 INFO L280 TraceCheckUtils]: 11: Hoare triple {676#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-18 04:55:20,957 INFO L280 TraceCheckUtils]: 12: Hoare triple {677#(<= |fibo2_#in~n| 0)} #res := 0; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-18 04:55:20,958 INFO L280 TraceCheckUtils]: 13: Hoare triple {677#(<= |fibo2_#in~n| 0)} assume true; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-18 04:55:20,959 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {677#(<= |fibo2_#in~n| 0)} {665#(< 1 fibo1_~n)} #69#return; {638#false} is VALID [2020-07-18 04:55:20,959 INFO L280 TraceCheckUtils]: 15: Hoare triple {638#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {638#false} is VALID [2020-07-18 04:55:20,959 INFO L263 TraceCheckUtils]: 16: Hoare triple {638#false} call #t~ret1 := fibo2(~n - 2); {637#true} is VALID [2020-07-18 04:55:20,960 INFO L280 TraceCheckUtils]: 17: Hoare triple {637#true} ~n := #in~n; {637#true} is VALID [2020-07-18 04:55:20,960 INFO L280 TraceCheckUtils]: 18: Hoare triple {637#true} assume ~n < 1; {637#true} is VALID [2020-07-18 04:55:20,960 INFO L280 TraceCheckUtils]: 19: Hoare triple {637#true} #res := 0; {637#true} is VALID [2020-07-18 04:55:20,961 INFO L280 TraceCheckUtils]: 20: Hoare triple {637#true} assume true; {637#true} is VALID [2020-07-18 04:55:20,961 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {637#true} {638#false} #71#return; {638#false} is VALID [2020-07-18 04:55:20,961 INFO L280 TraceCheckUtils]: 22: Hoare triple {638#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {638#false} is VALID [2020-07-18 04:55:20,961 INFO L280 TraceCheckUtils]: 23: Hoare triple {638#false} #res := #t~ret0 + #t~ret1; {638#false} is VALID [2020-07-18 04:55:20,962 INFO L280 TraceCheckUtils]: 24: Hoare triple {638#false} havoc #t~ret1; {638#false} is VALID [2020-07-18 04:55:20,962 INFO L280 TraceCheckUtils]: 25: Hoare triple {638#false} havoc #t~ret0; {638#false} is VALID [2020-07-18 04:55:20,962 INFO L280 TraceCheckUtils]: 26: Hoare triple {638#false} assume true; {638#false} is VALID [2020-07-18 04:55:20,963 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {638#false} {641#(<= 6 main_~x~0)} #63#return; {638#false} is VALID [2020-07-18 04:55:20,963 INFO L280 TraceCheckUtils]: 28: Hoare triple {638#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {638#false} is VALID [2020-07-18 04:55:20,963 INFO L280 TraceCheckUtils]: 29: Hoare triple {638#false} ~result~0 := #t~ret4; {638#false} is VALID [2020-07-18 04:55:20,963 INFO L280 TraceCheckUtils]: 30: Hoare triple {638#false} havoc #t~ret4; {638#false} is VALID [2020-07-18 04:55:20,964 INFO L280 TraceCheckUtils]: 31: Hoare triple {638#false} assume 8 == ~result~0; {638#false} is VALID [2020-07-18 04:55:20,964 INFO L280 TraceCheckUtils]: 32: Hoare triple {638#false} assume !false; {638#false} is VALID [2020-07-18 04:55:20,965 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-18 04:55:20,966 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [789968763] [2020-07-18 04:55:20,966 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-18 04:55:20,966 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-07-18 04:55:20,967 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543289383] [2020-07-18 04:55:20,967 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-07-18 04:55:20,968 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 04:55:20,968 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-18 04:55:21,001 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:55:21,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-18 04:55:21,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 04:55:21,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-18 04:55:21,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-18 04:55:21,003 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand 7 states. [2020-07-18 04:55:21,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:55:21,361 INFO L93 Difference]: Finished difference Result 82 states and 102 transitions. [2020-07-18 04:55:21,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-18 04:55:21,361 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-07-18 04:55:21,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 04:55:21,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 04:55:21,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 99 transitions. [2020-07-18 04:55:21,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 04:55:21,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 99 transitions. [2020-07-18 04:55:21,370 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 99 transitions. [2020-07-18 04:55:21,480 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 99 edges. 99 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:55:21,485 INFO L225 Difference]: With dead ends: 82 [2020-07-18 04:55:21,486 INFO L226 Difference]: Without dead ends: 46 [2020-07-18 04:55:21,488 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 [2020-07-18 04:55:21,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-07-18 04:55:21,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2020-07-18 04:55:21,539 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 04:55:21,540 INFO L82 GeneralOperation]: Start isEquivalent. First operand 46 states. Second operand 44 states. [2020-07-18 04:55:21,540 INFO L74 IsIncluded]: Start isIncluded. First operand 46 states. Second operand 44 states. [2020-07-18 04:55:21,540 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 44 states. [2020-07-18 04:55:21,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:55:21,546 INFO L93 Difference]: Finished difference Result 46 states and 54 transitions. [2020-07-18 04:55:21,546 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2020-07-18 04:55:21,547 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:55:21,548 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:55:21,548 INFO L74 IsIncluded]: Start isIncluded. First operand 44 states. Second operand 46 states. [2020-07-18 04:55:21,548 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 46 states. [2020-07-18 04:55:21,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:55:21,551 INFO L93 Difference]: Finished difference Result 46 states and 54 transitions. [2020-07-18 04:55:21,552 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2020-07-18 04:55:21,552 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:55:21,555 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:55:21,555 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 04:55:21,555 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 04:55:21,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-07-18 04:55:21,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2020-07-18 04:55:21,563 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 51 transitions. Word has length 33 [2020-07-18 04:55:21,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 04:55:21,563 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 51 transitions. [2020-07-18 04:55:21,563 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-18 04:55:21,563 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 44 states and 51 transitions. [2020-07-18 04:55:21,647 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:55:21,647 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2020-07-18 04:55:21,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-18 04:55:21,648 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:55:21,649 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] [2020-07-18 04:55:21,649 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-18 04:55:21,649 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:55:21,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:55:21,649 INFO L82 PathProgramCache]: Analyzing trace with hash 887160861, now seen corresponding path program 1 times [2020-07-18 04:55:21,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:55:21,650 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2067059203] [2020-07-18 04:55:21,650 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:55:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:21,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:21,695 INFO L280 TraceCheckUtils]: 0: Hoare triple {1026#true} assume true; {1026#true} is VALID [2020-07-18 04:55:21,696 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1026#true} {1026#true} #59#return; {1026#true} is VALID [2020-07-18 04:55:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:21,759 INFO L280 TraceCheckUtils]: 0: Hoare triple {1026#true} ~n := #in~n; {1067#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:21,760 INFO L280 TraceCheckUtils]: 1: Hoare triple {1067#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {1067#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:21,761 INFO L280 TraceCheckUtils]: 2: Hoare triple {1067#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:55:21,761 INFO L280 TraceCheckUtils]: 3: Hoare triple {1068#(<= |fibo2_#in~n| 1)} #res := 1; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:55:21,773 INFO L280 TraceCheckUtils]: 4: Hoare triple {1068#(<= |fibo2_#in~n| 1)} assume true; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:55:21,775 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 [2020-07-18 04:55:21,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:21,793 INFO L280 TraceCheckUtils]: 0: Hoare triple {1026#true} ~n := #in~n; {1026#true} is VALID [2020-07-18 04:55:21,793 INFO L280 TraceCheckUtils]: 1: Hoare triple {1026#true} assume ~n < 1; {1026#true} is VALID [2020-07-18 04:55:21,794 INFO L280 TraceCheckUtils]: 2: Hoare triple {1026#true} #res := 0; {1026#true} is VALID [2020-07-18 04:55:21,794 INFO L280 TraceCheckUtils]: 3: Hoare triple {1026#true} assume true; {1026#true} is VALID [2020-07-18 04:55:21,797 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1026#true} {1061#(<= |fibo1_#in~n| 2)} #71#return; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:55:21,800 INFO L280 TraceCheckUtils]: 0: Hoare triple {1026#true} ~n := #in~n; {1054#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:21,801 INFO L280 TraceCheckUtils]: 1: Hoare triple {1054#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {1054#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:21,801 INFO L280 TraceCheckUtils]: 2: Hoare triple {1054#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {1054#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:21,801 INFO L263 TraceCheckUtils]: 3: Hoare triple {1054#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {1026#true} is VALID [2020-07-18 04:55:21,802 INFO L280 TraceCheckUtils]: 4: Hoare triple {1026#true} ~n := #in~n; {1067#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:21,802 INFO L280 TraceCheckUtils]: 5: Hoare triple {1067#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {1067#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:21,803 INFO L280 TraceCheckUtils]: 6: Hoare triple {1067#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:55:21,804 INFO L280 TraceCheckUtils]: 7: Hoare triple {1068#(<= |fibo2_#in~n| 1)} #res := 1; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:55:21,804 INFO L280 TraceCheckUtils]: 8: Hoare triple {1068#(<= |fibo2_#in~n| 1)} assume true; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:55:21,806 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 [2020-07-18 04:55:21,807 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 [2020-07-18 04:55:21,808 INFO L263 TraceCheckUtils]: 11: Hoare triple {1061#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {1026#true} is VALID [2020-07-18 04:55:21,808 INFO L280 TraceCheckUtils]: 12: Hoare triple {1026#true} ~n := #in~n; {1026#true} is VALID [2020-07-18 04:55:21,808 INFO L280 TraceCheckUtils]: 13: Hoare triple {1026#true} assume ~n < 1; {1026#true} is VALID [2020-07-18 04:55:21,809 INFO L280 TraceCheckUtils]: 14: Hoare triple {1026#true} #res := 0; {1026#true} is VALID [2020-07-18 04:55:21,809 INFO L280 TraceCheckUtils]: 15: Hoare triple {1026#true} assume true; {1026#true} is VALID [2020-07-18 04:55:21,810 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {1026#true} {1061#(<= |fibo1_#in~n| 2)} #71#return; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:55:21,810 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 [2020-07-18 04:55:21,811 INFO L280 TraceCheckUtils]: 18: Hoare triple {1061#(<= |fibo1_#in~n| 2)} #res := #t~ret0 + #t~ret1; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:55:21,812 INFO L280 TraceCheckUtils]: 19: Hoare triple {1061#(<= |fibo1_#in~n| 2)} havoc #t~ret1; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:55:21,812 INFO L280 TraceCheckUtils]: 20: Hoare triple {1061#(<= |fibo1_#in~n| 2)} havoc #t~ret0; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:55:21,813 INFO L280 TraceCheckUtils]: 21: Hoare triple {1061#(<= |fibo1_#in~n| 2)} assume true; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:55:21,814 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {1061#(<= |fibo1_#in~n| 2)} {1030#(<= 6 main_~x~0)} #63#return; {1027#false} is VALID [2020-07-18 04:55:21,815 INFO L263 TraceCheckUtils]: 0: Hoare triple {1026#true} call ULTIMATE.init(); {1026#true} is VALID [2020-07-18 04:55:21,815 INFO L280 TraceCheckUtils]: 1: Hoare triple {1026#true} assume true; {1026#true} is VALID [2020-07-18 04:55:21,815 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1026#true} {1026#true} #59#return; {1026#true} is VALID [2020-07-18 04:55:21,816 INFO L263 TraceCheckUtils]: 3: Hoare triple {1026#true} call #t~ret5 := main(); {1026#true} is VALID [2020-07-18 04:55:21,816 INFO L280 TraceCheckUtils]: 4: Hoare triple {1026#true} ~x~0 := 6; {1030#(<= 6 main_~x~0)} is VALID [2020-07-18 04:55:21,817 INFO L263 TraceCheckUtils]: 5: Hoare triple {1030#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {1026#true} is VALID [2020-07-18 04:55:21,817 INFO L280 TraceCheckUtils]: 6: Hoare triple {1026#true} ~n := #in~n; {1054#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:21,820 INFO L280 TraceCheckUtils]: 7: Hoare triple {1054#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {1054#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:21,820 INFO L280 TraceCheckUtils]: 8: Hoare triple {1054#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {1054#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:21,820 INFO L263 TraceCheckUtils]: 9: Hoare triple {1054#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {1026#true} is VALID [2020-07-18 04:55:21,821 INFO L280 TraceCheckUtils]: 10: Hoare triple {1026#true} ~n := #in~n; {1067#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:21,821 INFO L280 TraceCheckUtils]: 11: Hoare triple {1067#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {1067#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:21,822 INFO L280 TraceCheckUtils]: 12: Hoare triple {1067#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:55:21,823 INFO L280 TraceCheckUtils]: 13: Hoare triple {1068#(<= |fibo2_#in~n| 1)} #res := 1; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:55:21,823 INFO L280 TraceCheckUtils]: 14: Hoare triple {1068#(<= |fibo2_#in~n| 1)} assume true; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:55:21,824 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 [2020-07-18 04:55:21,825 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 [2020-07-18 04:55:21,825 INFO L263 TraceCheckUtils]: 17: Hoare triple {1061#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {1026#true} is VALID [2020-07-18 04:55:21,825 INFO L280 TraceCheckUtils]: 18: Hoare triple {1026#true} ~n := #in~n; {1026#true} is VALID [2020-07-18 04:55:21,826 INFO L280 TraceCheckUtils]: 19: Hoare triple {1026#true} assume ~n < 1; {1026#true} is VALID [2020-07-18 04:55:21,826 INFO L280 TraceCheckUtils]: 20: Hoare triple {1026#true} #res := 0; {1026#true} is VALID [2020-07-18 04:55:21,827 INFO L280 TraceCheckUtils]: 21: Hoare triple {1026#true} assume true; {1026#true} is VALID [2020-07-18 04:55:21,827 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {1026#true} {1061#(<= |fibo1_#in~n| 2)} #71#return; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:55:21,828 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 [2020-07-18 04:55:21,828 INFO L280 TraceCheckUtils]: 24: Hoare triple {1061#(<= |fibo1_#in~n| 2)} #res := #t~ret0 + #t~ret1; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:55:21,829 INFO L280 TraceCheckUtils]: 25: Hoare triple {1061#(<= |fibo1_#in~n| 2)} havoc #t~ret1; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:55:21,829 INFO L280 TraceCheckUtils]: 26: Hoare triple {1061#(<= |fibo1_#in~n| 2)} havoc #t~ret0; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:55:21,829 INFO L280 TraceCheckUtils]: 27: Hoare triple {1061#(<= |fibo1_#in~n| 2)} assume true; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:55:21,830 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {1061#(<= |fibo1_#in~n| 2)} {1030#(<= 6 main_~x~0)} #63#return; {1027#false} is VALID [2020-07-18 04:55:21,830 INFO L280 TraceCheckUtils]: 29: Hoare triple {1027#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {1027#false} is VALID [2020-07-18 04:55:21,830 INFO L280 TraceCheckUtils]: 30: Hoare triple {1027#false} ~result~0 := #t~ret4; {1027#false} is VALID [2020-07-18 04:55:21,831 INFO L280 TraceCheckUtils]: 31: Hoare triple {1027#false} havoc #t~ret4; {1027#false} is VALID [2020-07-18 04:55:21,831 INFO L280 TraceCheckUtils]: 32: Hoare triple {1027#false} assume 8 == ~result~0; {1027#false} is VALID [2020-07-18 04:55:21,831 INFO L280 TraceCheckUtils]: 33: Hoare triple {1027#false} assume !false; {1027#false} is VALID [2020-07-18 04:55:21,833 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-18 04:55:21,833 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2067059203] [2020-07-18 04:55:21,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-18 04:55:21,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-07-18 04:55:21,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152285137] [2020-07-18 04:55:21,834 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2020-07-18 04:55:21,835 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 04:55:21,835 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-18 04:55:21,877 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:55:21,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-18 04:55:21,877 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 04:55:21,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-18 04:55:21,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-18 04:55:21,878 INFO L87 Difference]: Start difference. First operand 44 states and 51 transitions. Second operand 7 states. [2020-07-18 04:55:22,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:55:22,501 INFO L93 Difference]: Finished difference Result 74 states and 94 transitions. [2020-07-18 04:55:22,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-18 04:55:22,501 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2020-07-18 04:55:22,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 04:55:22,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 04:55:22,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 86 transitions. [2020-07-18 04:55:22,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 04:55:22,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 86 transitions. [2020-07-18 04:55:22,508 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 86 transitions. [2020-07-18 04:55:22,599 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 86 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:55:22,603 INFO L225 Difference]: With dead ends: 74 [2020-07-18 04:55:22,603 INFO L226 Difference]: Without dead ends: 68 [2020-07-18 04:55:22,604 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 [2020-07-18 04:55:22,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-07-18 04:55:22,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2020-07-18 04:55:22,693 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 04:55:22,694 INFO L82 GeneralOperation]: Start isEquivalent. First operand 68 states. Second operand 66 states. [2020-07-18 04:55:22,694 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand 66 states. [2020-07-18 04:55:22,694 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 66 states. [2020-07-18 04:55:22,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:55:22,699 INFO L93 Difference]: Finished difference Result 68 states and 88 transitions. [2020-07-18 04:55:22,699 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2020-07-18 04:55:22,700 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:55:22,700 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:55:22,700 INFO L74 IsIncluded]: Start isIncluded. First operand 66 states. Second operand 68 states. [2020-07-18 04:55:22,700 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 68 states. [2020-07-18 04:55:22,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:55:22,705 INFO L93 Difference]: Finished difference Result 68 states and 88 transitions. [2020-07-18 04:55:22,705 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2020-07-18 04:55:22,706 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:55:22,706 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:55:22,707 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 04:55:22,707 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 04:55:22,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-07-18 04:55:22,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 83 transitions. [2020-07-18 04:55:22,711 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 83 transitions. Word has length 34 [2020-07-18 04:55:22,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 04:55:22,711 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 83 transitions. [2020-07-18 04:55:22,711 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-18 04:55:22,711 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 66 states and 83 transitions. [2020-07-18 04:55:22,819 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:55:22,820 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2020-07-18 04:55:22,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-07-18 04:55:22,822 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:55:22,822 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] [2020-07-18 04:55:22,822 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-18 04:55:22,824 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:55:22,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:55:22,824 INFO L82 PathProgramCache]: Analyzing trace with hash 1875452576, now seen corresponding path program 1 times [2020-07-18 04:55:22,824 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:55:22,825 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1882133862] [2020-07-18 04:55:22,825 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:55:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:22,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:22,875 INFO L280 TraceCheckUtils]: 0: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-18 04:55:22,876 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1492#true} {1492#true} #59#return; {1492#true} is VALID [2020-07-18 04:55:22,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:22,950 INFO L280 TraceCheckUtils]: 0: Hoare triple {1492#true} ~n := #in~n; {1574#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:22,952 INFO L280 TraceCheckUtils]: 1: Hoare triple {1574#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:55:22,952 INFO L280 TraceCheckUtils]: 2: Hoare triple {1575#(<= |fibo1_#in~n| 0)} #res := 0; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:55:22,953 INFO L280 TraceCheckUtils]: 3: Hoare triple {1575#(<= |fibo1_#in~n| 0)} assume true; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:55:22,954 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1575#(<= |fibo1_#in~n| 0)} {1563#(< 1 fibo2_~n)} #65#return; {1493#false} is VALID [2020-07-18 04:55:22,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:22,961 INFO L280 TraceCheckUtils]: 0: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-18 04:55:22,962 INFO L280 TraceCheckUtils]: 1: Hoare triple {1492#true} assume ~n < 1; {1492#true} is VALID [2020-07-18 04:55:22,962 INFO L280 TraceCheckUtils]: 2: Hoare triple {1492#true} #res := 0; {1492#true} is VALID [2020-07-18 04:55:22,962 INFO L280 TraceCheckUtils]: 3: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-18 04:55:22,962 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1492#true} {1493#false} #67#return; {1493#false} is VALID [2020-07-18 04:55:22,963 INFO L280 TraceCheckUtils]: 0: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-18 04:55:22,964 INFO L280 TraceCheckUtils]: 1: Hoare triple {1492#true} assume !(~n < 1); {1562#(< 0 fibo2_~n)} is VALID [2020-07-18 04:55:22,967 INFO L280 TraceCheckUtils]: 2: Hoare triple {1562#(< 0 fibo2_~n)} assume !(1 == ~n); {1563#(< 1 fibo2_~n)} is VALID [2020-07-18 04:55:22,968 INFO L263 TraceCheckUtils]: 3: Hoare triple {1563#(< 1 fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {1492#true} is VALID [2020-07-18 04:55:22,969 INFO L280 TraceCheckUtils]: 4: Hoare triple {1492#true} ~n := #in~n; {1574#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:22,973 INFO L280 TraceCheckUtils]: 5: Hoare triple {1574#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:55:22,973 INFO L280 TraceCheckUtils]: 6: Hoare triple {1575#(<= |fibo1_#in~n| 0)} #res := 0; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:55:22,974 INFO L280 TraceCheckUtils]: 7: Hoare triple {1575#(<= |fibo1_#in~n| 0)} assume true; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:55:22,975 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1575#(<= |fibo1_#in~n| 0)} {1563#(< 1 fibo2_~n)} #65#return; {1493#false} is VALID [2020-07-18 04:55:22,975 INFO L280 TraceCheckUtils]: 9: Hoare triple {1493#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1493#false} is VALID [2020-07-18 04:55:22,976 INFO L263 TraceCheckUtils]: 10: Hoare triple {1493#false} call #t~ret3 := fibo1(~n - 2); {1492#true} is VALID [2020-07-18 04:55:22,976 INFO L280 TraceCheckUtils]: 11: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-18 04:55:22,976 INFO L280 TraceCheckUtils]: 12: Hoare triple {1492#true} assume ~n < 1; {1492#true} is VALID [2020-07-18 04:55:22,976 INFO L280 TraceCheckUtils]: 13: Hoare triple {1492#true} #res := 0; {1492#true} is VALID [2020-07-18 04:55:22,977 INFO L280 TraceCheckUtils]: 14: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-18 04:55:22,977 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {1492#true} {1493#false} #67#return; {1493#false} is VALID [2020-07-18 04:55:22,977 INFO L280 TraceCheckUtils]: 16: Hoare triple {1493#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {1493#false} is VALID [2020-07-18 04:55:22,977 INFO L280 TraceCheckUtils]: 17: Hoare triple {1493#false} #res := #t~ret2 + #t~ret3; {1493#false} is VALID [2020-07-18 04:55:22,978 INFO L280 TraceCheckUtils]: 18: Hoare triple {1493#false} havoc #t~ret3; {1493#false} is VALID [2020-07-18 04:55:22,978 INFO L280 TraceCheckUtils]: 19: Hoare triple {1493#false} havoc #t~ret2; {1493#false} is VALID [2020-07-18 04:55:22,978 INFO L280 TraceCheckUtils]: 20: Hoare triple {1493#false} assume true; {1493#false} is VALID [2020-07-18 04:55:22,978 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {1493#false} {1492#true} #69#return; {1493#false} is VALID [2020-07-18 04:55:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:22,984 INFO L280 TraceCheckUtils]: 0: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-18 04:55:22,984 INFO L280 TraceCheckUtils]: 1: Hoare triple {1492#true} assume ~n < 1; {1492#true} is VALID [2020-07-18 04:55:22,984 INFO L280 TraceCheckUtils]: 2: Hoare triple {1492#true} #res := 0; {1492#true} is VALID [2020-07-18 04:55:22,985 INFO L280 TraceCheckUtils]: 3: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-18 04:55:22,985 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1492#true} {1493#false} #71#return; {1493#false} is VALID [2020-07-18 04:55:22,985 INFO L280 TraceCheckUtils]: 0: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-18 04:55:22,985 INFO L280 TraceCheckUtils]: 1: Hoare triple {1492#true} assume !(~n < 1); {1492#true} is VALID [2020-07-18 04:55:22,986 INFO L280 TraceCheckUtils]: 2: Hoare triple {1492#true} assume !(1 == ~n); {1492#true} is VALID [2020-07-18 04:55:22,986 INFO L263 TraceCheckUtils]: 3: Hoare triple {1492#true} call #t~ret0 := fibo2(~n - 1); {1492#true} is VALID [2020-07-18 04:55:22,986 INFO L280 TraceCheckUtils]: 4: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-18 04:55:22,987 INFO L280 TraceCheckUtils]: 5: Hoare triple {1492#true} assume !(~n < 1); {1562#(< 0 fibo2_~n)} is VALID [2020-07-18 04:55:22,988 INFO L280 TraceCheckUtils]: 6: Hoare triple {1562#(< 0 fibo2_~n)} assume !(1 == ~n); {1563#(< 1 fibo2_~n)} is VALID [2020-07-18 04:55:22,988 INFO L263 TraceCheckUtils]: 7: Hoare triple {1563#(< 1 fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {1492#true} is VALID [2020-07-18 04:55:22,988 INFO L280 TraceCheckUtils]: 8: Hoare triple {1492#true} ~n := #in~n; {1574#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:22,989 INFO L280 TraceCheckUtils]: 9: Hoare triple {1574#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:55:22,990 INFO L280 TraceCheckUtils]: 10: Hoare triple {1575#(<= |fibo1_#in~n| 0)} #res := 0; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:55:22,990 INFO L280 TraceCheckUtils]: 11: Hoare triple {1575#(<= |fibo1_#in~n| 0)} assume true; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:55:22,991 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {1575#(<= |fibo1_#in~n| 0)} {1563#(< 1 fibo2_~n)} #65#return; {1493#false} is VALID [2020-07-18 04:55:22,992 INFO L280 TraceCheckUtils]: 13: Hoare triple {1493#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1493#false} is VALID [2020-07-18 04:55:22,992 INFO L263 TraceCheckUtils]: 14: Hoare triple {1493#false} call #t~ret3 := fibo1(~n - 2); {1492#true} is VALID [2020-07-18 04:55:22,992 INFO L280 TraceCheckUtils]: 15: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-18 04:55:22,992 INFO L280 TraceCheckUtils]: 16: Hoare triple {1492#true} assume ~n < 1; {1492#true} is VALID [2020-07-18 04:55:22,993 INFO L280 TraceCheckUtils]: 17: Hoare triple {1492#true} #res := 0; {1492#true} is VALID [2020-07-18 04:55:22,993 INFO L280 TraceCheckUtils]: 18: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-18 04:55:22,993 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {1492#true} {1493#false} #67#return; {1493#false} is VALID [2020-07-18 04:55:22,993 INFO L280 TraceCheckUtils]: 20: Hoare triple {1493#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {1493#false} is VALID [2020-07-18 04:55:22,994 INFO L280 TraceCheckUtils]: 21: Hoare triple {1493#false} #res := #t~ret2 + #t~ret3; {1493#false} is VALID [2020-07-18 04:55:22,994 INFO L280 TraceCheckUtils]: 22: Hoare triple {1493#false} havoc #t~ret3; {1493#false} is VALID [2020-07-18 04:55:22,994 INFO L280 TraceCheckUtils]: 23: Hoare triple {1493#false} havoc #t~ret2; {1493#false} is VALID [2020-07-18 04:55:22,994 INFO L280 TraceCheckUtils]: 24: Hoare triple {1493#false} assume true; {1493#false} is VALID [2020-07-18 04:55:22,995 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {1493#false} {1492#true} #69#return; {1493#false} is VALID [2020-07-18 04:55:22,995 INFO L280 TraceCheckUtils]: 26: Hoare triple {1493#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1493#false} is VALID [2020-07-18 04:55:22,995 INFO L263 TraceCheckUtils]: 27: Hoare triple {1493#false} call #t~ret1 := fibo2(~n - 2); {1492#true} is VALID [2020-07-18 04:55:22,995 INFO L280 TraceCheckUtils]: 28: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-18 04:55:22,995 INFO L280 TraceCheckUtils]: 29: Hoare triple {1492#true} assume ~n < 1; {1492#true} is VALID [2020-07-18 04:55:22,996 INFO L280 TraceCheckUtils]: 30: Hoare triple {1492#true} #res := 0; {1492#true} is VALID [2020-07-18 04:55:22,996 INFO L280 TraceCheckUtils]: 31: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-18 04:55:22,996 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {1492#true} {1493#false} #71#return; {1493#false} is VALID [2020-07-18 04:55:22,996 INFO L280 TraceCheckUtils]: 33: Hoare triple {1493#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1493#false} is VALID [2020-07-18 04:55:22,997 INFO L280 TraceCheckUtils]: 34: Hoare triple {1493#false} #res := #t~ret0 + #t~ret1; {1493#false} is VALID [2020-07-18 04:55:22,997 INFO L280 TraceCheckUtils]: 35: Hoare triple {1493#false} havoc #t~ret1; {1493#false} is VALID [2020-07-18 04:55:22,997 INFO L280 TraceCheckUtils]: 36: Hoare triple {1493#false} havoc #t~ret0; {1493#false} is VALID [2020-07-18 04:55:22,997 INFO L280 TraceCheckUtils]: 37: Hoare triple {1493#false} assume true; {1493#false} is VALID [2020-07-18 04:55:22,998 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {1493#false} {1492#true} #63#return; {1493#false} is VALID [2020-07-18 04:55:22,999 INFO L263 TraceCheckUtils]: 0: Hoare triple {1492#true} call ULTIMATE.init(); {1492#true} is VALID [2020-07-18 04:55:22,999 INFO L280 TraceCheckUtils]: 1: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-18 04:55:23,000 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1492#true} {1492#true} #59#return; {1492#true} is VALID [2020-07-18 04:55:23,000 INFO L263 TraceCheckUtils]: 3: Hoare triple {1492#true} call #t~ret5 := main(); {1492#true} is VALID [2020-07-18 04:55:23,000 INFO L280 TraceCheckUtils]: 4: Hoare triple {1492#true} ~x~0 := 6; {1492#true} is VALID [2020-07-18 04:55:23,000 INFO L263 TraceCheckUtils]: 5: Hoare triple {1492#true} call #t~ret4 := fibo1(~x~0); {1492#true} is VALID [2020-07-18 04:55:23,001 INFO L280 TraceCheckUtils]: 6: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-18 04:55:23,001 INFO L280 TraceCheckUtils]: 7: Hoare triple {1492#true} assume !(~n < 1); {1492#true} is VALID [2020-07-18 04:55:23,001 INFO L280 TraceCheckUtils]: 8: Hoare triple {1492#true} assume !(1 == ~n); {1492#true} is VALID [2020-07-18 04:55:23,001 INFO L263 TraceCheckUtils]: 9: Hoare triple {1492#true} call #t~ret0 := fibo2(~n - 1); {1492#true} is VALID [2020-07-18 04:55:23,002 INFO L280 TraceCheckUtils]: 10: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-18 04:55:23,002 INFO L280 TraceCheckUtils]: 11: Hoare triple {1492#true} assume !(~n < 1); {1562#(< 0 fibo2_~n)} is VALID [2020-07-18 04:55:23,003 INFO L280 TraceCheckUtils]: 12: Hoare triple {1562#(< 0 fibo2_~n)} assume !(1 == ~n); {1563#(< 1 fibo2_~n)} is VALID [2020-07-18 04:55:23,003 INFO L263 TraceCheckUtils]: 13: Hoare triple {1563#(< 1 fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {1492#true} is VALID [2020-07-18 04:55:23,004 INFO L280 TraceCheckUtils]: 14: Hoare triple {1492#true} ~n := #in~n; {1574#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:23,005 INFO L280 TraceCheckUtils]: 15: Hoare triple {1574#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:55:23,005 INFO L280 TraceCheckUtils]: 16: Hoare triple {1575#(<= |fibo1_#in~n| 0)} #res := 0; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:55:23,006 INFO L280 TraceCheckUtils]: 17: Hoare triple {1575#(<= |fibo1_#in~n| 0)} assume true; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:55:23,007 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {1575#(<= |fibo1_#in~n| 0)} {1563#(< 1 fibo2_~n)} #65#return; {1493#false} is VALID [2020-07-18 04:55:23,007 INFO L280 TraceCheckUtils]: 19: Hoare triple {1493#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1493#false} is VALID [2020-07-18 04:55:23,007 INFO L263 TraceCheckUtils]: 20: Hoare triple {1493#false} call #t~ret3 := fibo1(~n - 2); {1492#true} is VALID [2020-07-18 04:55:23,008 INFO L280 TraceCheckUtils]: 21: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-18 04:55:23,008 INFO L280 TraceCheckUtils]: 22: Hoare triple {1492#true} assume ~n < 1; {1492#true} is VALID [2020-07-18 04:55:23,008 INFO L280 TraceCheckUtils]: 23: Hoare triple {1492#true} #res := 0; {1492#true} is VALID [2020-07-18 04:55:23,008 INFO L280 TraceCheckUtils]: 24: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-18 04:55:23,009 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {1492#true} {1493#false} #67#return; {1493#false} is VALID [2020-07-18 04:55:23,009 INFO L280 TraceCheckUtils]: 26: Hoare triple {1493#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {1493#false} is VALID [2020-07-18 04:55:23,009 INFO L280 TraceCheckUtils]: 27: Hoare triple {1493#false} #res := #t~ret2 + #t~ret3; {1493#false} is VALID [2020-07-18 04:55:23,009 INFO L280 TraceCheckUtils]: 28: Hoare triple {1493#false} havoc #t~ret3; {1493#false} is VALID [2020-07-18 04:55:23,009 INFO L280 TraceCheckUtils]: 29: Hoare triple {1493#false} havoc #t~ret2; {1493#false} is VALID [2020-07-18 04:55:23,010 INFO L280 TraceCheckUtils]: 30: Hoare triple {1493#false} assume true; {1493#false} is VALID [2020-07-18 04:55:23,010 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {1493#false} {1492#true} #69#return; {1493#false} is VALID [2020-07-18 04:55:23,010 INFO L280 TraceCheckUtils]: 32: Hoare triple {1493#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1493#false} is VALID [2020-07-18 04:55:23,010 INFO L263 TraceCheckUtils]: 33: Hoare triple {1493#false} call #t~ret1 := fibo2(~n - 2); {1492#true} is VALID [2020-07-18 04:55:23,010 INFO L280 TraceCheckUtils]: 34: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-18 04:55:23,011 INFO L280 TraceCheckUtils]: 35: Hoare triple {1492#true} assume ~n < 1; {1492#true} is VALID [2020-07-18 04:55:23,011 INFO L280 TraceCheckUtils]: 36: Hoare triple {1492#true} #res := 0; {1492#true} is VALID [2020-07-18 04:55:23,011 INFO L280 TraceCheckUtils]: 37: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-18 04:55:23,011 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {1492#true} {1493#false} #71#return; {1493#false} is VALID [2020-07-18 04:55:23,012 INFO L280 TraceCheckUtils]: 39: Hoare triple {1493#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1493#false} is VALID [2020-07-18 04:55:23,012 INFO L280 TraceCheckUtils]: 40: Hoare triple {1493#false} #res := #t~ret0 + #t~ret1; {1493#false} is VALID [2020-07-18 04:55:23,012 INFO L280 TraceCheckUtils]: 41: Hoare triple {1493#false} havoc #t~ret1; {1493#false} is VALID [2020-07-18 04:55:23,012 INFO L280 TraceCheckUtils]: 42: Hoare triple {1493#false} havoc #t~ret0; {1493#false} is VALID [2020-07-18 04:55:23,012 INFO L280 TraceCheckUtils]: 43: Hoare triple {1493#false} assume true; {1493#false} is VALID [2020-07-18 04:55:23,013 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {1493#false} {1492#true} #63#return; {1493#false} is VALID [2020-07-18 04:55:23,013 INFO L280 TraceCheckUtils]: 45: Hoare triple {1493#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {1493#false} is VALID [2020-07-18 04:55:23,013 INFO L280 TraceCheckUtils]: 46: Hoare triple {1493#false} ~result~0 := #t~ret4; {1493#false} is VALID [2020-07-18 04:55:23,013 INFO L280 TraceCheckUtils]: 47: Hoare triple {1493#false} havoc #t~ret4; {1493#false} is VALID [2020-07-18 04:55:23,014 INFO L280 TraceCheckUtils]: 48: Hoare triple {1493#false} assume 8 == ~result~0; {1493#false} is VALID [2020-07-18 04:55:23,014 INFO L280 TraceCheckUtils]: 49: Hoare triple {1493#false} assume !false; {1493#false} is VALID [2020-07-18 04:55:23,016 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-18 04:55:23,016 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1882133862] [2020-07-18 04:55:23,016 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-18 04:55:23,016 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-07-18 04:55:23,017 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328417605] [2020-07-18 04:55:23,017 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-07-18 04:55:23,018 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 04:55:23,018 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-18 04:55:23,073 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:55:23,074 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-18 04:55:23,074 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 04:55:23,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-18 04:55:23,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-18 04:55:23,075 INFO L87 Difference]: Start difference. First operand 66 states and 83 transitions. Second operand 6 states. [2020-07-18 04:55:23,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:55:23,442 INFO L93 Difference]: Finished difference Result 130 states and 178 transitions. [2020-07-18 04:55:23,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-18 04:55:23,442 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-07-18 04:55:23,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 04:55:23,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 04:55:23,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 98 transitions. [2020-07-18 04:55:23,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 04:55:23,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 98 transitions. [2020-07-18 04:55:23,448 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 98 transitions. [2020-07-18 04:55:23,554 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 98 edges. 98 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:55:23,557 INFO L225 Difference]: With dead ends: 130 [2020-07-18 04:55:23,557 INFO L226 Difference]: Without dead ends: 70 [2020-07-18 04:55:23,559 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 [2020-07-18 04:55:23,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-07-18 04:55:23,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2020-07-18 04:55:23,661 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 04:55:23,661 INFO L82 GeneralOperation]: Start isEquivalent. First operand 70 states. Second operand 70 states. [2020-07-18 04:55:23,662 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand 70 states. [2020-07-18 04:55:23,662 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 70 states. [2020-07-18 04:55:23,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:55:23,666 INFO L93 Difference]: Finished difference Result 70 states and 89 transitions. [2020-07-18 04:55:23,666 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2020-07-18 04:55:23,667 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:55:23,667 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:55:23,667 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand 70 states. [2020-07-18 04:55:23,667 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 70 states. [2020-07-18 04:55:23,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:55:23,671 INFO L93 Difference]: Finished difference Result 70 states and 89 transitions. [2020-07-18 04:55:23,672 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2020-07-18 04:55:23,672 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:55:23,672 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:55:23,673 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 04:55:23,673 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 04:55:23,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-07-18 04:55:23,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 89 transitions. [2020-07-18 04:55:23,677 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 89 transitions. Word has length 50 [2020-07-18 04:55:23,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 04:55:23,677 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 89 transitions. [2020-07-18 04:55:23,677 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-18 04:55:23,677 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 70 states and 89 transitions. [2020-07-18 04:55:23,794 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 89 edges. 89 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:55:23,795 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2020-07-18 04:55:23,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-18 04:55:23,799 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:55:23,801 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] [2020-07-18 04:55:23,801 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-18 04:55:23,802 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:55:23,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:55:23,802 INFO L82 PathProgramCache]: Analyzing trace with hash 104828256, now seen corresponding path program 1 times [2020-07-18 04:55:23,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:55:23,803 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [530613758] [2020-07-18 04:55:23,803 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:55:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:23,875 INFO L280 TraceCheckUtils]: 0: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-18 04:55:23,875 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2120#true} {2120#true} #59#return; {2120#true} is VALID [2020-07-18 04:55:23,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:23,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:23,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:23,977 INFO L280 TraceCheckUtils]: 0: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-18 04:55:23,977 INFO L280 TraceCheckUtils]: 1: Hoare triple {2120#true} assume !(~n < 1); {2120#true} is VALID [2020-07-18 04:55:23,977 INFO L280 TraceCheckUtils]: 2: Hoare triple {2120#true} assume 1 == ~n; {2120#true} is VALID [2020-07-18 04:55:23,978 INFO L280 TraceCheckUtils]: 3: Hoare triple {2120#true} #res := 1; {2120#true} is VALID [2020-07-18 04:55:23,978 INFO L280 TraceCheckUtils]: 4: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-18 04:55:23,979 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2120#true} {2196#(<= 2 |fibo2_#in~n|)} #65#return; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:23,984 INFO L280 TraceCheckUtils]: 0: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-18 04:55:23,984 INFO L280 TraceCheckUtils]: 1: Hoare triple {2120#true} assume ~n < 1; {2120#true} is VALID [2020-07-18 04:55:23,985 INFO L280 TraceCheckUtils]: 2: Hoare triple {2120#true} #res := 0; {2120#true} is VALID [2020-07-18 04:55:23,985 INFO L280 TraceCheckUtils]: 3: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-18 04:55:23,986 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2120#true} {2196#(<= 2 |fibo2_#in~n|)} #67#return; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:23,987 INFO L280 TraceCheckUtils]: 0: Hoare triple {2120#true} ~n := #in~n; {2194#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:23,988 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 [2020-07-18 04:55:23,989 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 [2020-07-18 04:55:23,989 INFO L263 TraceCheckUtils]: 3: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {2120#true} is VALID [2020-07-18 04:55:23,989 INFO L280 TraceCheckUtils]: 4: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-18 04:55:23,990 INFO L280 TraceCheckUtils]: 5: Hoare triple {2120#true} assume !(~n < 1); {2120#true} is VALID [2020-07-18 04:55:23,990 INFO L280 TraceCheckUtils]: 6: Hoare triple {2120#true} assume 1 == ~n; {2120#true} is VALID [2020-07-18 04:55:23,990 INFO L280 TraceCheckUtils]: 7: Hoare triple {2120#true} #res := 1; {2120#true} is VALID [2020-07-18 04:55:23,991 INFO L280 TraceCheckUtils]: 8: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-18 04:55:23,992 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {2120#true} {2196#(<= 2 |fibo2_#in~n|)} #65#return; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:23,992 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 [2020-07-18 04:55:23,992 INFO L263 TraceCheckUtils]: 11: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {2120#true} is VALID [2020-07-18 04:55:23,993 INFO L280 TraceCheckUtils]: 12: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-18 04:55:23,993 INFO L280 TraceCheckUtils]: 13: Hoare triple {2120#true} assume ~n < 1; {2120#true} is VALID [2020-07-18 04:55:23,993 INFO L280 TraceCheckUtils]: 14: Hoare triple {2120#true} #res := 0; {2120#true} is VALID [2020-07-18 04:55:23,993 INFO L280 TraceCheckUtils]: 15: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-18 04:55:23,994 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {2120#true} {2196#(<= 2 |fibo2_#in~n|)} #67#return; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:23,995 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 [2020-07-18 04:55:23,995 INFO L280 TraceCheckUtils]: 18: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:23,996 INFO L280 TraceCheckUtils]: 19: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:23,997 INFO L280 TraceCheckUtils]: 20: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:23,998 INFO L280 TraceCheckUtils]: 21: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} assume true; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:23,999 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {2196#(<= 2 |fibo2_#in~n|)} {2120#true} #69#return; {2188#(<= 3 fibo1_~n)} is VALID [2020-07-18 04:55:24,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:24,020 INFO L280 TraceCheckUtils]: 0: Hoare triple {2120#true} ~n := #in~n; {2194#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:24,021 INFO L280 TraceCheckUtils]: 1: Hoare triple {2194#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-18 04:55:24,022 INFO L280 TraceCheckUtils]: 2: Hoare triple {2208#(<= |fibo2_#in~n| 0)} #res := 0; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-18 04:55:24,022 INFO L280 TraceCheckUtils]: 3: Hoare triple {2208#(<= |fibo2_#in~n| 0)} assume true; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-18 04:55:24,023 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2208#(<= |fibo2_#in~n| 0)} {2188#(<= 3 fibo1_~n)} #71#return; {2121#false} is VALID [2020-07-18 04:55:24,024 INFO L280 TraceCheckUtils]: 0: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-18 04:55:24,024 INFO L280 TraceCheckUtils]: 1: Hoare triple {2120#true} assume !(~n < 1); {2120#true} is VALID [2020-07-18 04:55:24,024 INFO L280 TraceCheckUtils]: 2: Hoare triple {2120#true} assume !(1 == ~n); {2120#true} is VALID [2020-07-18 04:55:24,024 INFO L263 TraceCheckUtils]: 3: Hoare triple {2120#true} call #t~ret0 := fibo2(~n - 1); {2120#true} is VALID [2020-07-18 04:55:24,025 INFO L280 TraceCheckUtils]: 4: Hoare triple {2120#true} ~n := #in~n; {2194#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:24,026 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 [2020-07-18 04:55:24,027 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 [2020-07-18 04:55:24,027 INFO L263 TraceCheckUtils]: 7: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {2120#true} is VALID [2020-07-18 04:55:24,027 INFO L280 TraceCheckUtils]: 8: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-18 04:55:24,027 INFO L280 TraceCheckUtils]: 9: Hoare triple {2120#true} assume !(~n < 1); {2120#true} is VALID [2020-07-18 04:55:24,027 INFO L280 TraceCheckUtils]: 10: Hoare triple {2120#true} assume 1 == ~n; {2120#true} is VALID [2020-07-18 04:55:24,028 INFO L280 TraceCheckUtils]: 11: Hoare triple {2120#true} #res := 1; {2120#true} is VALID [2020-07-18 04:55:24,028 INFO L280 TraceCheckUtils]: 12: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-18 04:55:24,029 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {2120#true} {2196#(<= 2 |fibo2_#in~n|)} #65#return; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:24,029 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 [2020-07-18 04:55:24,030 INFO L263 TraceCheckUtils]: 15: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {2120#true} is VALID [2020-07-18 04:55:24,030 INFO L280 TraceCheckUtils]: 16: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-18 04:55:24,030 INFO L280 TraceCheckUtils]: 17: Hoare triple {2120#true} assume ~n < 1; {2120#true} is VALID [2020-07-18 04:55:24,030 INFO L280 TraceCheckUtils]: 18: Hoare triple {2120#true} #res := 0; {2120#true} is VALID [2020-07-18 04:55:24,030 INFO L280 TraceCheckUtils]: 19: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-18 04:55:24,031 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {2120#true} {2196#(<= 2 |fibo2_#in~n|)} #67#return; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:24,032 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 [2020-07-18 04:55:24,032 INFO L280 TraceCheckUtils]: 22: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:24,033 INFO L280 TraceCheckUtils]: 23: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:24,034 INFO L280 TraceCheckUtils]: 24: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:24,034 INFO L280 TraceCheckUtils]: 25: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} assume true; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:24,035 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {2196#(<= 2 |fibo2_#in~n|)} {2120#true} #69#return; {2188#(<= 3 fibo1_~n)} is VALID [2020-07-18 04:55:24,036 INFO L280 TraceCheckUtils]: 27: Hoare triple {2188#(<= 3 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2188#(<= 3 fibo1_~n)} is VALID [2020-07-18 04:55:24,036 INFO L263 TraceCheckUtils]: 28: Hoare triple {2188#(<= 3 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {2120#true} is VALID [2020-07-18 04:55:24,037 INFO L280 TraceCheckUtils]: 29: Hoare triple {2120#true} ~n := #in~n; {2194#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:24,038 INFO L280 TraceCheckUtils]: 30: Hoare triple {2194#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-18 04:55:24,038 INFO L280 TraceCheckUtils]: 31: Hoare triple {2208#(<= |fibo2_#in~n| 0)} #res := 0; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-18 04:55:24,039 INFO L280 TraceCheckUtils]: 32: Hoare triple {2208#(<= |fibo2_#in~n| 0)} assume true; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-18 04:55:24,040 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {2208#(<= |fibo2_#in~n| 0)} {2188#(<= 3 fibo1_~n)} #71#return; {2121#false} is VALID [2020-07-18 04:55:24,040 INFO L280 TraceCheckUtils]: 34: Hoare triple {2121#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2121#false} is VALID [2020-07-18 04:55:24,040 INFO L280 TraceCheckUtils]: 35: Hoare triple {2121#false} #res := #t~ret0 + #t~ret1; {2121#false} is VALID [2020-07-18 04:55:24,041 INFO L280 TraceCheckUtils]: 36: Hoare triple {2121#false} havoc #t~ret1; {2121#false} is VALID [2020-07-18 04:55:24,041 INFO L280 TraceCheckUtils]: 37: Hoare triple {2121#false} havoc #t~ret0; {2121#false} is VALID [2020-07-18 04:55:24,041 INFO L280 TraceCheckUtils]: 38: Hoare triple {2121#false} assume true; {2121#false} is VALID [2020-07-18 04:55:24,041 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {2121#false} {2124#(<= 6 main_~x~0)} #63#return; {2121#false} is VALID [2020-07-18 04:55:24,043 INFO L263 TraceCheckUtils]: 0: Hoare triple {2120#true} call ULTIMATE.init(); {2120#true} is VALID [2020-07-18 04:55:24,043 INFO L280 TraceCheckUtils]: 1: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-18 04:55:24,043 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2120#true} {2120#true} #59#return; {2120#true} is VALID [2020-07-18 04:55:24,044 INFO L263 TraceCheckUtils]: 3: Hoare triple {2120#true} call #t~ret5 := main(); {2120#true} is VALID [2020-07-18 04:55:24,045 INFO L280 TraceCheckUtils]: 4: Hoare triple {2120#true} ~x~0 := 6; {2124#(<= 6 main_~x~0)} is VALID [2020-07-18 04:55:24,045 INFO L263 TraceCheckUtils]: 5: Hoare triple {2124#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {2120#true} is VALID [2020-07-18 04:55:24,045 INFO L280 TraceCheckUtils]: 6: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-18 04:55:24,045 INFO L280 TraceCheckUtils]: 7: Hoare triple {2120#true} assume !(~n < 1); {2120#true} is VALID [2020-07-18 04:55:24,046 INFO L280 TraceCheckUtils]: 8: Hoare triple {2120#true} assume !(1 == ~n); {2120#true} is VALID [2020-07-18 04:55:24,046 INFO L263 TraceCheckUtils]: 9: Hoare triple {2120#true} call #t~ret0 := fibo2(~n - 1); {2120#true} is VALID [2020-07-18 04:55:24,049 INFO L280 TraceCheckUtils]: 10: Hoare triple {2120#true} ~n := #in~n; {2194#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:24,050 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 [2020-07-18 04:55:24,051 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 [2020-07-18 04:55:24,051 INFO L263 TraceCheckUtils]: 13: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {2120#true} is VALID [2020-07-18 04:55:24,051 INFO L280 TraceCheckUtils]: 14: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-18 04:55:24,052 INFO L280 TraceCheckUtils]: 15: Hoare triple {2120#true} assume !(~n < 1); {2120#true} is VALID [2020-07-18 04:55:24,052 INFO L280 TraceCheckUtils]: 16: Hoare triple {2120#true} assume 1 == ~n; {2120#true} is VALID [2020-07-18 04:55:24,052 INFO L280 TraceCheckUtils]: 17: Hoare triple {2120#true} #res := 1; {2120#true} is VALID [2020-07-18 04:55:24,052 INFO L280 TraceCheckUtils]: 18: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-18 04:55:24,053 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {2120#true} {2196#(<= 2 |fibo2_#in~n|)} #65#return; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:24,054 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 [2020-07-18 04:55:24,054 INFO L263 TraceCheckUtils]: 21: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {2120#true} is VALID [2020-07-18 04:55:24,054 INFO L280 TraceCheckUtils]: 22: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-18 04:55:24,054 INFO L280 TraceCheckUtils]: 23: Hoare triple {2120#true} assume ~n < 1; {2120#true} is VALID [2020-07-18 04:55:24,054 INFO L280 TraceCheckUtils]: 24: Hoare triple {2120#true} #res := 0; {2120#true} is VALID [2020-07-18 04:55:24,055 INFO L280 TraceCheckUtils]: 25: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-18 04:55:24,055 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {2120#true} {2196#(<= 2 |fibo2_#in~n|)} #67#return; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:24,056 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 [2020-07-18 04:55:24,057 INFO L280 TraceCheckUtils]: 28: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:24,057 INFO L280 TraceCheckUtils]: 29: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:24,058 INFO L280 TraceCheckUtils]: 30: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:24,058 INFO L280 TraceCheckUtils]: 31: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} assume true; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:24,059 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {2196#(<= 2 |fibo2_#in~n|)} {2120#true} #69#return; {2188#(<= 3 fibo1_~n)} is VALID [2020-07-18 04:55:24,060 INFO L280 TraceCheckUtils]: 33: Hoare triple {2188#(<= 3 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2188#(<= 3 fibo1_~n)} is VALID [2020-07-18 04:55:24,060 INFO L263 TraceCheckUtils]: 34: Hoare triple {2188#(<= 3 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {2120#true} is VALID [2020-07-18 04:55:24,060 INFO L280 TraceCheckUtils]: 35: Hoare triple {2120#true} ~n := #in~n; {2194#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:24,061 INFO L280 TraceCheckUtils]: 36: Hoare triple {2194#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-18 04:55:24,062 INFO L280 TraceCheckUtils]: 37: Hoare triple {2208#(<= |fibo2_#in~n| 0)} #res := 0; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-18 04:55:24,062 INFO L280 TraceCheckUtils]: 38: Hoare triple {2208#(<= |fibo2_#in~n| 0)} assume true; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-18 04:55:24,063 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {2208#(<= |fibo2_#in~n| 0)} {2188#(<= 3 fibo1_~n)} #71#return; {2121#false} is VALID [2020-07-18 04:55:24,063 INFO L280 TraceCheckUtils]: 40: Hoare triple {2121#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2121#false} is VALID [2020-07-18 04:55:24,064 INFO L280 TraceCheckUtils]: 41: Hoare triple {2121#false} #res := #t~ret0 + #t~ret1; {2121#false} is VALID [2020-07-18 04:55:24,064 INFO L280 TraceCheckUtils]: 42: Hoare triple {2121#false} havoc #t~ret1; {2121#false} is VALID [2020-07-18 04:55:24,064 INFO L280 TraceCheckUtils]: 43: Hoare triple {2121#false} havoc #t~ret0; {2121#false} is VALID [2020-07-18 04:55:24,064 INFO L280 TraceCheckUtils]: 44: Hoare triple {2121#false} assume true; {2121#false} is VALID [2020-07-18 04:55:24,065 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {2121#false} {2124#(<= 6 main_~x~0)} #63#return; {2121#false} is VALID [2020-07-18 04:55:24,065 INFO L280 TraceCheckUtils]: 46: Hoare triple {2121#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {2121#false} is VALID [2020-07-18 04:55:24,065 INFO L280 TraceCheckUtils]: 47: Hoare triple {2121#false} ~result~0 := #t~ret4; {2121#false} is VALID [2020-07-18 04:55:24,065 INFO L280 TraceCheckUtils]: 48: Hoare triple {2121#false} havoc #t~ret4; {2121#false} is VALID [2020-07-18 04:55:24,065 INFO L280 TraceCheckUtils]: 49: Hoare triple {2121#false} assume 8 == ~result~0; {2121#false} is VALID [2020-07-18 04:55:24,066 INFO L280 TraceCheckUtils]: 50: Hoare triple {2121#false} assume !false; {2121#false} is VALID [2020-07-18 04:55:24,068 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-18 04:55:24,068 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [530613758] [2020-07-18 04:55:24,069 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-18 04:55:24,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-07-18 04:55:24,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125085320] [2020-07-18 04:55:24,070 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-07-18 04:55:24,070 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 04:55:24,070 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-18 04:55:24,126 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:55:24,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-18 04:55:24,126 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 04:55:24,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-18 04:55:24,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-18 04:55:24,127 INFO L87 Difference]: Start difference. First operand 70 states and 89 transitions. Second operand 8 states. [2020-07-18 04:55:24,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:55:24,660 INFO L93 Difference]: Finished difference Result 142 states and 197 transitions. [2020-07-18 04:55:24,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-18 04:55:24,660 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-07-18 04:55:24,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 04:55:24,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-18 04:55:24,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 108 transitions. [2020-07-18 04:55:24,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-18 04:55:24,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 108 transitions. [2020-07-18 04:55:24,667 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 108 transitions. [2020-07-18 04:55:24,781 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 108 edges. 108 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:55:24,784 INFO L225 Difference]: With dead ends: 142 [2020-07-18 04:55:24,785 INFO L226 Difference]: Without dead ends: 78 [2020-07-18 04:55:24,786 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 [2020-07-18 04:55:24,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-07-18 04:55:24,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 72. [2020-07-18 04:55:24,896 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 04:55:24,896 INFO L82 GeneralOperation]: Start isEquivalent. First operand 78 states. Second operand 72 states. [2020-07-18 04:55:24,896 INFO L74 IsIncluded]: Start isIncluded. First operand 78 states. Second operand 72 states. [2020-07-18 04:55:24,896 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 72 states. [2020-07-18 04:55:24,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:55:24,901 INFO L93 Difference]: Finished difference Result 78 states and 101 transitions. [2020-07-18 04:55:24,901 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 101 transitions. [2020-07-18 04:55:24,902 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:55:24,903 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:55:24,903 INFO L74 IsIncluded]: Start isIncluded. First operand 72 states. Second operand 78 states. [2020-07-18 04:55:24,903 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 78 states. [2020-07-18 04:55:24,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:55:24,907 INFO L93 Difference]: Finished difference Result 78 states and 101 transitions. [2020-07-18 04:55:24,908 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 101 transitions. [2020-07-18 04:55:24,908 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:55:24,909 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:55:24,909 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 04:55:24,909 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 04:55:24,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-07-18 04:55:24,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 92 transitions. [2020-07-18 04:55:24,913 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 92 transitions. Word has length 51 [2020-07-18 04:55:24,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 04:55:24,913 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 92 transitions. [2020-07-18 04:55:24,913 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-18 04:55:24,913 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 72 states and 92 transitions. [2020-07-18 04:55:25,041 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 92 edges. 92 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:55:25,042 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2020-07-18 04:55:25,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-18 04:55:25,043 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:55:25,043 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] [2020-07-18 04:55:25,044 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-18 04:55:25,044 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:55:25,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:55:25,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1703786405, now seen corresponding path program 1 times [2020-07-18 04:55:25,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:55:25,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [128038503] [2020-07-18 04:55:25,045 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:55:25,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:25,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:25,120 INFO L280 TraceCheckUtils]: 0: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-18 04:55:25,121 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2799#true} {2799#true} #59#return; {2799#true} is VALID [2020-07-18 04:55:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:25,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:25,240 INFO L280 TraceCheckUtils]: 0: Hoare triple {2799#true} ~n := #in~n; {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:25,241 INFO L280 TraceCheckUtils]: 1: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:25,242 INFO L280 TraceCheckUtils]: 2: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:25,242 INFO L280 TraceCheckUtils]: 3: Hoare triple {2889#(<= |fibo1_#in~n| 1)} #res := 1; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:25,243 INFO L280 TraceCheckUtils]: 4: Hoare triple {2889#(<= |fibo1_#in~n| 1)} assume true; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:25,244 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 [2020-07-18 04:55:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:25,249 INFO L280 TraceCheckUtils]: 0: Hoare triple {2799#true} ~n := #in~n; {2799#true} is VALID [2020-07-18 04:55:25,250 INFO L280 TraceCheckUtils]: 1: Hoare triple {2799#true} assume ~n < 1; {2799#true} is VALID [2020-07-18 04:55:25,250 INFO L280 TraceCheckUtils]: 2: Hoare triple {2799#true} #res := 0; {2799#true} is VALID [2020-07-18 04:55:25,250 INFO L280 TraceCheckUtils]: 3: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-18 04:55:25,251 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2799#true} {2883#(<= |fibo2_#in~n| 2)} #67#return; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:25,252 INFO L280 TraceCheckUtils]: 0: Hoare triple {2799#true} ~n := #in~n; {2876#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:25,252 INFO L280 TraceCheckUtils]: 1: Hoare triple {2876#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {2876#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:25,253 INFO L280 TraceCheckUtils]: 2: Hoare triple {2876#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {2876#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:25,253 INFO L263 TraceCheckUtils]: 3: Hoare triple {2876#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {2799#true} is VALID [2020-07-18 04:55:25,253 INFO L280 TraceCheckUtils]: 4: Hoare triple {2799#true} ~n := #in~n; {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:25,254 INFO L280 TraceCheckUtils]: 5: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:25,254 INFO L280 TraceCheckUtils]: 6: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:25,255 INFO L280 TraceCheckUtils]: 7: Hoare triple {2889#(<= |fibo1_#in~n| 1)} #res := 1; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:25,256 INFO L280 TraceCheckUtils]: 8: Hoare triple {2889#(<= |fibo1_#in~n| 1)} assume true; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:25,257 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 [2020-07-18 04:55:25,257 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 [2020-07-18 04:55:25,257 INFO L263 TraceCheckUtils]: 11: Hoare triple {2883#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {2799#true} is VALID [2020-07-18 04:55:25,258 INFO L280 TraceCheckUtils]: 12: Hoare triple {2799#true} ~n := #in~n; {2799#true} is VALID [2020-07-18 04:55:25,258 INFO L280 TraceCheckUtils]: 13: Hoare triple {2799#true} assume ~n < 1; {2799#true} is VALID [2020-07-18 04:55:25,258 INFO L280 TraceCheckUtils]: 14: Hoare triple {2799#true} #res := 0; {2799#true} is VALID [2020-07-18 04:55:25,258 INFO L280 TraceCheckUtils]: 15: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-18 04:55:25,259 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {2799#true} {2883#(<= |fibo2_#in~n| 2)} #67#return; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:25,260 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 [2020-07-18 04:55:25,260 INFO L280 TraceCheckUtils]: 18: Hoare triple {2883#(<= |fibo2_#in~n| 2)} #res := #t~ret2 + #t~ret3; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:25,261 INFO L280 TraceCheckUtils]: 19: Hoare triple {2883#(<= |fibo2_#in~n| 2)} havoc #t~ret3; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:25,261 INFO L280 TraceCheckUtils]: 20: Hoare triple {2883#(<= |fibo2_#in~n| 2)} havoc #t~ret2; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:25,262 INFO L280 TraceCheckUtils]: 21: Hoare triple {2883#(<= |fibo2_#in~n| 2)} assume true; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:25,263 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 [2020-07-18 04:55:25,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:25,269 INFO L280 TraceCheckUtils]: 0: Hoare triple {2799#true} ~n := #in~n; {2799#true} is VALID [2020-07-18 04:55:25,269 INFO L280 TraceCheckUtils]: 1: Hoare triple {2799#true} assume !(~n < 1); {2799#true} is VALID [2020-07-18 04:55:25,269 INFO L280 TraceCheckUtils]: 2: Hoare triple {2799#true} assume 1 == ~n; {2799#true} is VALID [2020-07-18 04:55:25,270 INFO L280 TraceCheckUtils]: 3: Hoare triple {2799#true} #res := 1; {2799#true} is VALID [2020-07-18 04:55:25,270 INFO L280 TraceCheckUtils]: 4: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-18 04:55:25,271 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2799#true} {2869#(<= |fibo1_#in~n| 3)} #71#return; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:55:25,271 INFO L280 TraceCheckUtils]: 0: Hoare triple {2799#true} ~n := #in~n; {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:25,272 INFO L280 TraceCheckUtils]: 1: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:25,272 INFO L280 TraceCheckUtils]: 2: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:25,273 INFO L263 TraceCheckUtils]: 3: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {2799#true} is VALID [2020-07-18 04:55:25,273 INFO L280 TraceCheckUtils]: 4: Hoare triple {2799#true} ~n := #in~n; {2876#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:25,274 INFO L280 TraceCheckUtils]: 5: Hoare triple {2876#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {2876#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:25,274 INFO L280 TraceCheckUtils]: 6: Hoare triple {2876#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {2876#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:25,275 INFO L263 TraceCheckUtils]: 7: Hoare triple {2876#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {2799#true} is VALID [2020-07-18 04:55:25,275 INFO L280 TraceCheckUtils]: 8: Hoare triple {2799#true} ~n := #in~n; {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:25,276 INFO L280 TraceCheckUtils]: 9: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:25,276 INFO L280 TraceCheckUtils]: 10: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:25,277 INFO L280 TraceCheckUtils]: 11: Hoare triple {2889#(<= |fibo1_#in~n| 1)} #res := 1; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:25,277 INFO L280 TraceCheckUtils]: 12: Hoare triple {2889#(<= |fibo1_#in~n| 1)} assume true; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:25,278 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 [2020-07-18 04:55:25,279 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 [2020-07-18 04:55:25,279 INFO L263 TraceCheckUtils]: 15: Hoare triple {2883#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {2799#true} is VALID [2020-07-18 04:55:25,279 INFO L280 TraceCheckUtils]: 16: Hoare triple {2799#true} ~n := #in~n; {2799#true} is VALID [2020-07-18 04:55:25,280 INFO L280 TraceCheckUtils]: 17: Hoare triple {2799#true} assume ~n < 1; {2799#true} is VALID [2020-07-18 04:55:25,280 INFO L280 TraceCheckUtils]: 18: Hoare triple {2799#true} #res := 0; {2799#true} is VALID [2020-07-18 04:55:25,280 INFO L280 TraceCheckUtils]: 19: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-18 04:55:25,281 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {2799#true} {2883#(<= |fibo2_#in~n| 2)} #67#return; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:25,281 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 [2020-07-18 04:55:25,282 INFO L280 TraceCheckUtils]: 22: Hoare triple {2883#(<= |fibo2_#in~n| 2)} #res := #t~ret2 + #t~ret3; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:25,282 INFO L280 TraceCheckUtils]: 23: Hoare triple {2883#(<= |fibo2_#in~n| 2)} havoc #t~ret3; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:25,283 INFO L280 TraceCheckUtils]: 24: Hoare triple {2883#(<= |fibo2_#in~n| 2)} havoc #t~ret2; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:25,284 INFO L280 TraceCheckUtils]: 25: Hoare triple {2883#(<= |fibo2_#in~n| 2)} assume true; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:25,285 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 [2020-07-18 04:55:25,285 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 [2020-07-18 04:55:25,286 INFO L263 TraceCheckUtils]: 28: Hoare triple {2869#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {2799#true} is VALID [2020-07-18 04:55:25,286 INFO L280 TraceCheckUtils]: 29: Hoare triple {2799#true} ~n := #in~n; {2799#true} is VALID [2020-07-18 04:55:25,286 INFO L280 TraceCheckUtils]: 30: Hoare triple {2799#true} assume !(~n < 1); {2799#true} is VALID [2020-07-18 04:55:25,286 INFO L280 TraceCheckUtils]: 31: Hoare triple {2799#true} assume 1 == ~n; {2799#true} is VALID [2020-07-18 04:55:25,286 INFO L280 TraceCheckUtils]: 32: Hoare triple {2799#true} #res := 1; {2799#true} is VALID [2020-07-18 04:55:25,287 INFO L280 TraceCheckUtils]: 33: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-18 04:55:25,287 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {2799#true} {2869#(<= |fibo1_#in~n| 3)} #71#return; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:55:25,288 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 [2020-07-18 04:55:25,288 INFO L280 TraceCheckUtils]: 36: Hoare triple {2869#(<= |fibo1_#in~n| 3)} #res := #t~ret0 + #t~ret1; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:55:25,289 INFO L280 TraceCheckUtils]: 37: Hoare triple {2869#(<= |fibo1_#in~n| 3)} havoc #t~ret1; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:55:25,290 INFO L280 TraceCheckUtils]: 38: Hoare triple {2869#(<= |fibo1_#in~n| 3)} havoc #t~ret0; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:55:25,290 INFO L280 TraceCheckUtils]: 39: Hoare triple {2869#(<= |fibo1_#in~n| 3)} assume true; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:55:25,291 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {2869#(<= |fibo1_#in~n| 3)} {2803#(<= 6 main_~x~0)} #63#return; {2800#false} is VALID [2020-07-18 04:55:25,293 INFO L263 TraceCheckUtils]: 0: Hoare triple {2799#true} call ULTIMATE.init(); {2799#true} is VALID [2020-07-18 04:55:25,293 INFO L280 TraceCheckUtils]: 1: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-18 04:55:25,293 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2799#true} {2799#true} #59#return; {2799#true} is VALID [2020-07-18 04:55:25,294 INFO L263 TraceCheckUtils]: 3: Hoare triple {2799#true} call #t~ret5 := main(); {2799#true} is VALID [2020-07-18 04:55:25,294 INFO L280 TraceCheckUtils]: 4: Hoare triple {2799#true} ~x~0 := 6; {2803#(<= 6 main_~x~0)} is VALID [2020-07-18 04:55:25,294 INFO L263 TraceCheckUtils]: 5: Hoare triple {2803#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {2799#true} is VALID [2020-07-18 04:55:25,295 INFO L280 TraceCheckUtils]: 6: Hoare triple {2799#true} ~n := #in~n; {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:25,295 INFO L280 TraceCheckUtils]: 7: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:25,296 INFO L280 TraceCheckUtils]: 8: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:25,296 INFO L263 TraceCheckUtils]: 9: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {2799#true} is VALID [2020-07-18 04:55:25,297 INFO L280 TraceCheckUtils]: 10: Hoare triple {2799#true} ~n := #in~n; {2876#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:25,297 INFO L280 TraceCheckUtils]: 11: Hoare triple {2876#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {2876#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:25,298 INFO L280 TraceCheckUtils]: 12: Hoare triple {2876#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {2876#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:25,298 INFO L263 TraceCheckUtils]: 13: Hoare triple {2876#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {2799#true} is VALID [2020-07-18 04:55:25,298 INFO L280 TraceCheckUtils]: 14: Hoare triple {2799#true} ~n := #in~n; {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:25,299 INFO L280 TraceCheckUtils]: 15: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:25,300 INFO L280 TraceCheckUtils]: 16: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:25,300 INFO L280 TraceCheckUtils]: 17: Hoare triple {2889#(<= |fibo1_#in~n| 1)} #res := 1; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:25,301 INFO L280 TraceCheckUtils]: 18: Hoare triple {2889#(<= |fibo1_#in~n| 1)} assume true; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:25,302 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 [2020-07-18 04:55:25,303 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 [2020-07-18 04:55:25,303 INFO L263 TraceCheckUtils]: 21: Hoare triple {2883#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {2799#true} is VALID [2020-07-18 04:55:25,303 INFO L280 TraceCheckUtils]: 22: Hoare triple {2799#true} ~n := #in~n; {2799#true} is VALID [2020-07-18 04:55:25,303 INFO L280 TraceCheckUtils]: 23: Hoare triple {2799#true} assume ~n < 1; {2799#true} is VALID [2020-07-18 04:55:25,303 INFO L280 TraceCheckUtils]: 24: Hoare triple {2799#true} #res := 0; {2799#true} is VALID [2020-07-18 04:55:25,303 INFO L280 TraceCheckUtils]: 25: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-18 04:55:25,304 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {2799#true} {2883#(<= |fibo2_#in~n| 2)} #67#return; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:25,305 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 [2020-07-18 04:55:25,305 INFO L280 TraceCheckUtils]: 28: Hoare triple {2883#(<= |fibo2_#in~n| 2)} #res := #t~ret2 + #t~ret3; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:25,306 INFO L280 TraceCheckUtils]: 29: Hoare triple {2883#(<= |fibo2_#in~n| 2)} havoc #t~ret3; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:25,306 INFO L280 TraceCheckUtils]: 30: Hoare triple {2883#(<= |fibo2_#in~n| 2)} havoc #t~ret2; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:25,307 INFO L280 TraceCheckUtils]: 31: Hoare triple {2883#(<= |fibo2_#in~n| 2)} assume true; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:25,308 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 [2020-07-18 04:55:25,308 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 [2020-07-18 04:55:25,309 INFO L263 TraceCheckUtils]: 34: Hoare triple {2869#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {2799#true} is VALID [2020-07-18 04:55:25,309 INFO L280 TraceCheckUtils]: 35: Hoare triple {2799#true} ~n := #in~n; {2799#true} is VALID [2020-07-18 04:55:25,309 INFO L280 TraceCheckUtils]: 36: Hoare triple {2799#true} assume !(~n < 1); {2799#true} is VALID [2020-07-18 04:55:25,309 INFO L280 TraceCheckUtils]: 37: Hoare triple {2799#true} assume 1 == ~n; {2799#true} is VALID [2020-07-18 04:55:25,309 INFO L280 TraceCheckUtils]: 38: Hoare triple {2799#true} #res := 1; {2799#true} is VALID [2020-07-18 04:55:25,310 INFO L280 TraceCheckUtils]: 39: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-18 04:55:25,310 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {2799#true} {2869#(<= |fibo1_#in~n| 3)} #71#return; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:55:25,311 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 [2020-07-18 04:55:25,311 INFO L280 TraceCheckUtils]: 42: Hoare triple {2869#(<= |fibo1_#in~n| 3)} #res := #t~ret0 + #t~ret1; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:55:25,312 INFO L280 TraceCheckUtils]: 43: Hoare triple {2869#(<= |fibo1_#in~n| 3)} havoc #t~ret1; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:55:25,312 INFO L280 TraceCheckUtils]: 44: Hoare triple {2869#(<= |fibo1_#in~n| 3)} havoc #t~ret0; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:55:25,313 INFO L280 TraceCheckUtils]: 45: Hoare triple {2869#(<= |fibo1_#in~n| 3)} assume true; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:55:25,314 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {2869#(<= |fibo1_#in~n| 3)} {2803#(<= 6 main_~x~0)} #63#return; {2800#false} is VALID [2020-07-18 04:55:25,314 INFO L280 TraceCheckUtils]: 47: Hoare triple {2800#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {2800#false} is VALID [2020-07-18 04:55:25,314 INFO L280 TraceCheckUtils]: 48: Hoare triple {2800#false} ~result~0 := #t~ret4; {2800#false} is VALID [2020-07-18 04:55:25,314 INFO L280 TraceCheckUtils]: 49: Hoare triple {2800#false} havoc #t~ret4; {2800#false} is VALID [2020-07-18 04:55:25,315 INFO L280 TraceCheckUtils]: 50: Hoare triple {2800#false} assume 8 == ~result~0; {2800#false} is VALID [2020-07-18 04:55:25,315 INFO L280 TraceCheckUtils]: 51: Hoare triple {2800#false} assume !false; {2800#false} is VALID [2020-07-18 04:55:25,317 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-18 04:55:25,318 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [128038503] [2020-07-18 04:55:25,318 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-18 04:55:25,318 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-07-18 04:55:25,318 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394003961] [2020-07-18 04:55:25,319 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-18 04:55:25,319 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 04:55:25,320 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-18 04:55:25,369 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:55:25,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-18 04:55:25,370 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 04:55:25,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-18 04:55:25,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-18 04:55:25,371 INFO L87 Difference]: Start difference. First operand 72 states and 92 transitions. Second operand 8 states. [2020-07-18 04:55:26,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:55:26,112 INFO L93 Difference]: Finished difference Result 118 states and 158 transitions. [2020-07-18 04:55:26,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-18 04:55:26,112 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-18 04:55:26,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 04:55:26,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-18 04:55:26,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 96 transitions. [2020-07-18 04:55:26,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-18 04:55:26,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 96 transitions. [2020-07-18 04:55:26,118 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 96 transitions. [2020-07-18 04:55:26,237 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 96 edges. 96 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:55:26,241 INFO L225 Difference]: With dead ends: 118 [2020-07-18 04:55:26,241 INFO L226 Difference]: Without dead ends: 112 [2020-07-18 04:55:26,242 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 [2020-07-18 04:55:26,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-07-18 04:55:26,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 106. [2020-07-18 04:55:26,447 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 04:55:26,447 INFO L82 GeneralOperation]: Start isEquivalent. First operand 112 states. Second operand 106 states. [2020-07-18 04:55:26,447 INFO L74 IsIncluded]: Start isIncluded. First operand 112 states. Second operand 106 states. [2020-07-18 04:55:26,447 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 106 states. [2020-07-18 04:55:26,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:55:26,455 INFO L93 Difference]: Finished difference Result 112 states and 152 transitions. [2020-07-18 04:55:26,455 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 152 transitions. [2020-07-18 04:55:26,456 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:55:26,456 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:55:26,456 INFO L74 IsIncluded]: Start isIncluded. First operand 106 states. Second operand 112 states. [2020-07-18 04:55:26,456 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 112 states. [2020-07-18 04:55:26,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:55:26,464 INFO L93 Difference]: Finished difference Result 112 states and 152 transitions. [2020-07-18 04:55:26,464 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 152 transitions. [2020-07-18 04:55:26,465 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:55:26,465 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:55:26,465 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 04:55:26,465 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 04:55:26,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-07-18 04:55:26,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 145 transitions. [2020-07-18 04:55:26,472 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 145 transitions. Word has length 52 [2020-07-18 04:55:26,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 04:55:26,472 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 145 transitions. [2020-07-18 04:55:26,472 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-18 04:55:26,472 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 106 states and 145 transitions. [2020-07-18 04:55:26,647 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 145 edges. 145 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:55:26,648 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 145 transitions. [2020-07-18 04:55:26,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-18 04:55:26,650 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:55:26,650 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] [2020-07-18 04:55:26,650 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-18 04:55:26,650 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:55:26,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:55:26,651 INFO L82 PathProgramCache]: Analyzing trace with hash -521446491, now seen corresponding path program 1 times [2020-07-18 04:55:26,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:55:26,651 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [413129674] [2020-07-18 04:55:26,651 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:55:26,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:26,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:26,681 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-18 04:55:26,682 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3573#true} {3573#true} #59#return; {3573#true} is VALID [2020-07-18 04:55:26,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:26,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:26,791 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-18 04:55:26,791 INFO L280 TraceCheckUtils]: 1: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-18 04:55:26,791 INFO L280 TraceCheckUtils]: 2: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-18 04:55:26,792 INFO L280 TraceCheckUtils]: 3: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-18 04:55:26,792 INFO L280 TraceCheckUtils]: 4: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-18 04:55:26,793 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #69#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:26,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:26,797 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-18 04:55:26,798 INFO L280 TraceCheckUtils]: 1: Hoare triple {3573#true} assume ~n < 1; {3573#true} is VALID [2020-07-18 04:55:26,798 INFO L280 TraceCheckUtils]: 2: Hoare triple {3573#true} #res := 0; {3573#true} is VALID [2020-07-18 04:55:26,798 INFO L280 TraceCheckUtils]: 3: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-18 04:55:26,799 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #71#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:26,800 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:26,801 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 [2020-07-18 04:55:26,801 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 [2020-07-18 04:55:26,802 INFO L263 TraceCheckUtils]: 3: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {3573#true} is VALID [2020-07-18 04:55:26,802 INFO L280 TraceCheckUtils]: 4: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-18 04:55:26,802 INFO L280 TraceCheckUtils]: 5: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-18 04:55:26,802 INFO L280 TraceCheckUtils]: 6: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-18 04:55:26,802 INFO L280 TraceCheckUtils]: 7: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-18 04:55:26,803 INFO L280 TraceCheckUtils]: 8: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-18 04:55:26,803 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #69#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:26,804 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 [2020-07-18 04:55:26,804 INFO L263 TraceCheckUtils]: 11: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3573#true} is VALID [2020-07-18 04:55:26,805 INFO L280 TraceCheckUtils]: 12: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-18 04:55:26,805 INFO L280 TraceCheckUtils]: 13: Hoare triple {3573#true} assume ~n < 1; {3573#true} is VALID [2020-07-18 04:55:26,805 INFO L280 TraceCheckUtils]: 14: Hoare triple {3573#true} #res := 0; {3573#true} is VALID [2020-07-18 04:55:26,805 INFO L280 TraceCheckUtils]: 15: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-18 04:55:26,806 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #71#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:26,806 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 [2020-07-18 04:55:26,807 INFO L280 TraceCheckUtils]: 18: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:26,808 INFO L280 TraceCheckUtils]: 19: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:26,808 INFO L280 TraceCheckUtils]: 20: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:26,809 INFO L280 TraceCheckUtils]: 21: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume true; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:26,810 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {3713#(<= 2 |fibo1_#in~n|)} {3573#true} #65#return; {3705#(<= 3 fibo2_~n)} is VALID [2020-07-18 04:55:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:26,827 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:26,828 INFO L280 TraceCheckUtils]: 1: Hoare triple {3711#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:55:26,828 INFO L280 TraceCheckUtils]: 2: Hoare triple {3725#(<= |fibo1_#in~n| 0)} #res := 0; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:55:26,829 INFO L280 TraceCheckUtils]: 3: Hoare triple {3725#(<= |fibo1_#in~n| 0)} assume true; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:55:26,830 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3725#(<= |fibo1_#in~n| 0)} {3705#(<= 3 fibo2_~n)} #67#return; {3574#false} is VALID [2020-07-18 04:55:26,830 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-18 04:55:26,831 INFO L280 TraceCheckUtils]: 1: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-18 04:55:26,831 INFO L280 TraceCheckUtils]: 2: Hoare triple {3573#true} assume !(1 == ~n); {3573#true} is VALID [2020-07-18 04:55:26,831 INFO L263 TraceCheckUtils]: 3: Hoare triple {3573#true} call #t~ret2 := fibo1(~n - 1); {3573#true} is VALID [2020-07-18 04:55:26,832 INFO L280 TraceCheckUtils]: 4: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:26,832 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 [2020-07-18 04:55:26,833 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 [2020-07-18 04:55:26,833 INFO L263 TraceCheckUtils]: 7: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {3573#true} is VALID [2020-07-18 04:55:26,833 INFO L280 TraceCheckUtils]: 8: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-18 04:55:26,834 INFO L280 TraceCheckUtils]: 9: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-18 04:55:26,834 INFO L280 TraceCheckUtils]: 10: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-18 04:55:26,834 INFO L280 TraceCheckUtils]: 11: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-18 04:55:26,834 INFO L280 TraceCheckUtils]: 12: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-18 04:55:26,835 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #69#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:26,835 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 [2020-07-18 04:55:26,836 INFO L263 TraceCheckUtils]: 15: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3573#true} is VALID [2020-07-18 04:55:26,836 INFO L280 TraceCheckUtils]: 16: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-18 04:55:26,836 INFO L280 TraceCheckUtils]: 17: Hoare triple {3573#true} assume ~n < 1; {3573#true} is VALID [2020-07-18 04:55:26,836 INFO L280 TraceCheckUtils]: 18: Hoare triple {3573#true} #res := 0; {3573#true} is VALID [2020-07-18 04:55:26,837 INFO L280 TraceCheckUtils]: 19: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-18 04:55:26,837 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #71#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:26,838 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 [2020-07-18 04:55:26,838 INFO L280 TraceCheckUtils]: 22: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:26,839 INFO L280 TraceCheckUtils]: 23: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:26,839 INFO L280 TraceCheckUtils]: 24: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:26,840 INFO L280 TraceCheckUtils]: 25: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume true; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:26,841 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {3713#(<= 2 |fibo1_#in~n|)} {3573#true} #65#return; {3705#(<= 3 fibo2_~n)} is VALID [2020-07-18 04:55:26,841 INFO L280 TraceCheckUtils]: 27: Hoare triple {3705#(<= 3 fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3705#(<= 3 fibo2_~n)} is VALID [2020-07-18 04:55:26,842 INFO L263 TraceCheckUtils]: 28: Hoare triple {3705#(<= 3 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {3573#true} is VALID [2020-07-18 04:55:26,842 INFO L280 TraceCheckUtils]: 29: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:26,843 INFO L280 TraceCheckUtils]: 30: Hoare triple {3711#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:55:26,844 INFO L280 TraceCheckUtils]: 31: Hoare triple {3725#(<= |fibo1_#in~n| 0)} #res := 0; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:55:26,844 INFO L280 TraceCheckUtils]: 32: Hoare triple {3725#(<= |fibo1_#in~n| 0)} assume true; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:55:26,845 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {3725#(<= |fibo1_#in~n| 0)} {3705#(<= 3 fibo2_~n)} #67#return; {3574#false} is VALID [2020-07-18 04:55:26,845 INFO L280 TraceCheckUtils]: 34: Hoare triple {3574#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {3574#false} is VALID [2020-07-18 04:55:26,846 INFO L280 TraceCheckUtils]: 35: Hoare triple {3574#false} #res := #t~ret2 + #t~ret3; {3574#false} is VALID [2020-07-18 04:55:26,846 INFO L280 TraceCheckUtils]: 36: Hoare triple {3574#false} havoc #t~ret3; {3574#false} is VALID [2020-07-18 04:55:26,846 INFO L280 TraceCheckUtils]: 37: Hoare triple {3574#false} havoc #t~ret2; {3574#false} is VALID [2020-07-18 04:55:26,846 INFO L280 TraceCheckUtils]: 38: Hoare triple {3574#false} assume true; {3574#false} is VALID [2020-07-18 04:55:26,847 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {3574#false} {3573#true} #69#return; {3574#false} is VALID [2020-07-18 04:55:26,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:26,852 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-18 04:55:26,852 INFO L280 TraceCheckUtils]: 1: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-18 04:55:26,852 INFO L280 TraceCheckUtils]: 2: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-18 04:55:26,853 INFO L280 TraceCheckUtils]: 3: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-18 04:55:26,853 INFO L280 TraceCheckUtils]: 4: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-18 04:55:26,853 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3573#true} {3574#false} #71#return; {3574#false} is VALID [2020-07-18 04:55:26,853 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-18 04:55:26,854 INFO L280 TraceCheckUtils]: 1: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-18 04:55:26,854 INFO L280 TraceCheckUtils]: 2: Hoare triple {3573#true} assume !(1 == ~n); {3573#true} is VALID [2020-07-18 04:55:26,854 INFO L263 TraceCheckUtils]: 3: Hoare triple {3573#true} call #t~ret0 := fibo2(~n - 1); {3573#true} is VALID [2020-07-18 04:55:26,854 INFO L280 TraceCheckUtils]: 4: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-18 04:55:26,854 INFO L280 TraceCheckUtils]: 5: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-18 04:55:26,855 INFO L280 TraceCheckUtils]: 6: Hoare triple {3573#true} assume !(1 == ~n); {3573#true} is VALID [2020-07-18 04:55:26,855 INFO L263 TraceCheckUtils]: 7: Hoare triple {3573#true} call #t~ret2 := fibo1(~n - 1); {3573#true} is VALID [2020-07-18 04:55:26,855 INFO L280 TraceCheckUtils]: 8: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:26,856 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 [2020-07-18 04:55:26,857 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 [2020-07-18 04:55:26,857 INFO L263 TraceCheckUtils]: 11: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {3573#true} is VALID [2020-07-18 04:55:26,857 INFO L280 TraceCheckUtils]: 12: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-18 04:55:26,857 INFO L280 TraceCheckUtils]: 13: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-18 04:55:26,858 INFO L280 TraceCheckUtils]: 14: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-18 04:55:26,858 INFO L280 TraceCheckUtils]: 15: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-18 04:55:26,858 INFO L280 TraceCheckUtils]: 16: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-18 04:55:26,859 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #69#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:26,859 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 [2020-07-18 04:55:26,860 INFO L263 TraceCheckUtils]: 19: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3573#true} is VALID [2020-07-18 04:55:26,860 INFO L280 TraceCheckUtils]: 20: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-18 04:55:26,860 INFO L280 TraceCheckUtils]: 21: Hoare triple {3573#true} assume ~n < 1; {3573#true} is VALID [2020-07-18 04:55:26,860 INFO L280 TraceCheckUtils]: 22: Hoare triple {3573#true} #res := 0; {3573#true} is VALID [2020-07-18 04:55:26,860 INFO L280 TraceCheckUtils]: 23: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-18 04:55:26,861 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #71#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:26,862 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 [2020-07-18 04:55:26,862 INFO L280 TraceCheckUtils]: 26: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:26,863 INFO L280 TraceCheckUtils]: 27: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:26,863 INFO L280 TraceCheckUtils]: 28: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:26,864 INFO L280 TraceCheckUtils]: 29: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume true; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:26,865 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {3713#(<= 2 |fibo1_#in~n|)} {3573#true} #65#return; {3705#(<= 3 fibo2_~n)} is VALID [2020-07-18 04:55:26,865 INFO L280 TraceCheckUtils]: 31: Hoare triple {3705#(<= 3 fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3705#(<= 3 fibo2_~n)} is VALID [2020-07-18 04:55:26,865 INFO L263 TraceCheckUtils]: 32: Hoare triple {3705#(<= 3 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {3573#true} is VALID [2020-07-18 04:55:26,866 INFO L280 TraceCheckUtils]: 33: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:26,867 INFO L280 TraceCheckUtils]: 34: Hoare triple {3711#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:55:26,867 INFO L280 TraceCheckUtils]: 35: Hoare triple {3725#(<= |fibo1_#in~n| 0)} #res := 0; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:55:26,868 INFO L280 TraceCheckUtils]: 36: Hoare triple {3725#(<= |fibo1_#in~n| 0)} assume true; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:55:26,869 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {3725#(<= |fibo1_#in~n| 0)} {3705#(<= 3 fibo2_~n)} #67#return; {3574#false} is VALID [2020-07-18 04:55:26,869 INFO L280 TraceCheckUtils]: 38: Hoare triple {3574#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {3574#false} is VALID [2020-07-18 04:55:26,869 INFO L280 TraceCheckUtils]: 39: Hoare triple {3574#false} #res := #t~ret2 + #t~ret3; {3574#false} is VALID [2020-07-18 04:55:26,869 INFO L280 TraceCheckUtils]: 40: Hoare triple {3574#false} havoc #t~ret3; {3574#false} is VALID [2020-07-18 04:55:26,869 INFO L280 TraceCheckUtils]: 41: Hoare triple {3574#false} havoc #t~ret2; {3574#false} is VALID [2020-07-18 04:55:26,869 INFO L280 TraceCheckUtils]: 42: Hoare triple {3574#false} assume true; {3574#false} is VALID [2020-07-18 04:55:26,870 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {3574#false} {3573#true} #69#return; {3574#false} is VALID [2020-07-18 04:55:26,870 INFO L280 TraceCheckUtils]: 44: Hoare triple {3574#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3574#false} is VALID [2020-07-18 04:55:26,870 INFO L263 TraceCheckUtils]: 45: Hoare triple {3574#false} call #t~ret1 := fibo2(~n - 2); {3573#true} is VALID [2020-07-18 04:55:26,870 INFO L280 TraceCheckUtils]: 46: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-18 04:55:26,870 INFO L280 TraceCheckUtils]: 47: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-18 04:55:26,871 INFO L280 TraceCheckUtils]: 48: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-18 04:55:26,871 INFO L280 TraceCheckUtils]: 49: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-18 04:55:26,871 INFO L280 TraceCheckUtils]: 50: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-18 04:55:26,871 INFO L275 TraceCheckUtils]: 51: Hoare quadruple {3573#true} {3574#false} #71#return; {3574#false} is VALID [2020-07-18 04:55:26,871 INFO L280 TraceCheckUtils]: 52: Hoare triple {3574#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3574#false} is VALID [2020-07-18 04:55:26,872 INFO L280 TraceCheckUtils]: 53: Hoare triple {3574#false} #res := #t~ret0 + #t~ret1; {3574#false} is VALID [2020-07-18 04:55:26,872 INFO L280 TraceCheckUtils]: 54: Hoare triple {3574#false} havoc #t~ret1; {3574#false} is VALID [2020-07-18 04:55:26,872 INFO L280 TraceCheckUtils]: 55: Hoare triple {3574#false} havoc #t~ret0; {3574#false} is VALID [2020-07-18 04:55:26,872 INFO L280 TraceCheckUtils]: 56: Hoare triple {3574#false} assume true; {3574#false} is VALID [2020-07-18 04:55:26,872 INFO L275 TraceCheckUtils]: 57: Hoare quadruple {3574#false} {3577#(<= 6 main_~x~0)} #63#return; {3574#false} is VALID [2020-07-18 04:55:26,875 INFO L263 TraceCheckUtils]: 0: Hoare triple {3573#true} call ULTIMATE.init(); {3573#true} is VALID [2020-07-18 04:55:26,875 INFO L280 TraceCheckUtils]: 1: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-18 04:55:26,875 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3573#true} {3573#true} #59#return; {3573#true} is VALID [2020-07-18 04:55:26,875 INFO L263 TraceCheckUtils]: 3: Hoare triple {3573#true} call #t~ret5 := main(); {3573#true} is VALID [2020-07-18 04:55:26,876 INFO L280 TraceCheckUtils]: 4: Hoare triple {3573#true} ~x~0 := 6; {3577#(<= 6 main_~x~0)} is VALID [2020-07-18 04:55:26,876 INFO L263 TraceCheckUtils]: 5: Hoare triple {3577#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {3573#true} is VALID [2020-07-18 04:55:26,876 INFO L280 TraceCheckUtils]: 6: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-18 04:55:26,876 INFO L280 TraceCheckUtils]: 7: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-18 04:55:26,876 INFO L280 TraceCheckUtils]: 8: Hoare triple {3573#true} assume !(1 == ~n); {3573#true} is VALID [2020-07-18 04:55:26,876 INFO L263 TraceCheckUtils]: 9: Hoare triple {3573#true} call #t~ret0 := fibo2(~n - 1); {3573#true} is VALID [2020-07-18 04:55:26,876 INFO L280 TraceCheckUtils]: 10: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-18 04:55:26,877 INFO L280 TraceCheckUtils]: 11: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-18 04:55:26,877 INFO L280 TraceCheckUtils]: 12: Hoare triple {3573#true} assume !(1 == ~n); {3573#true} is VALID [2020-07-18 04:55:26,877 INFO L263 TraceCheckUtils]: 13: Hoare triple {3573#true} call #t~ret2 := fibo1(~n - 1); {3573#true} is VALID [2020-07-18 04:55:26,877 INFO L280 TraceCheckUtils]: 14: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:26,878 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 [2020-07-18 04:55:26,878 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 [2020-07-18 04:55:26,878 INFO L263 TraceCheckUtils]: 17: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {3573#true} is VALID [2020-07-18 04:55:26,879 INFO L280 TraceCheckUtils]: 18: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-18 04:55:26,879 INFO L280 TraceCheckUtils]: 19: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-18 04:55:26,879 INFO L280 TraceCheckUtils]: 20: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-18 04:55:26,879 INFO L280 TraceCheckUtils]: 21: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-18 04:55:26,879 INFO L280 TraceCheckUtils]: 22: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-18 04:55:26,880 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #69#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:26,881 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 [2020-07-18 04:55:26,881 INFO L263 TraceCheckUtils]: 25: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3573#true} is VALID [2020-07-18 04:55:26,881 INFO L280 TraceCheckUtils]: 26: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-18 04:55:26,881 INFO L280 TraceCheckUtils]: 27: Hoare triple {3573#true} assume ~n < 1; {3573#true} is VALID [2020-07-18 04:55:26,881 INFO L280 TraceCheckUtils]: 28: Hoare triple {3573#true} #res := 0; {3573#true} is VALID [2020-07-18 04:55:26,881 INFO L280 TraceCheckUtils]: 29: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-18 04:55:26,882 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #71#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:26,882 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 [2020-07-18 04:55:26,883 INFO L280 TraceCheckUtils]: 32: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:26,883 INFO L280 TraceCheckUtils]: 33: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:26,884 INFO L280 TraceCheckUtils]: 34: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:26,884 INFO L280 TraceCheckUtils]: 35: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume true; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:26,885 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {3713#(<= 2 |fibo1_#in~n|)} {3573#true} #65#return; {3705#(<= 3 fibo2_~n)} is VALID [2020-07-18 04:55:26,885 INFO L280 TraceCheckUtils]: 37: Hoare triple {3705#(<= 3 fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3705#(<= 3 fibo2_~n)} is VALID [2020-07-18 04:55:26,885 INFO L263 TraceCheckUtils]: 38: Hoare triple {3705#(<= 3 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {3573#true} is VALID [2020-07-18 04:55:26,886 INFO L280 TraceCheckUtils]: 39: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:26,887 INFO L280 TraceCheckUtils]: 40: Hoare triple {3711#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:55:26,887 INFO L280 TraceCheckUtils]: 41: Hoare triple {3725#(<= |fibo1_#in~n| 0)} #res := 0; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:55:26,888 INFO L280 TraceCheckUtils]: 42: Hoare triple {3725#(<= |fibo1_#in~n| 0)} assume true; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:55:26,888 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {3725#(<= |fibo1_#in~n| 0)} {3705#(<= 3 fibo2_~n)} #67#return; {3574#false} is VALID [2020-07-18 04:55:26,888 INFO L280 TraceCheckUtils]: 44: Hoare triple {3574#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {3574#false} is VALID [2020-07-18 04:55:26,889 INFO L280 TraceCheckUtils]: 45: Hoare triple {3574#false} #res := #t~ret2 + #t~ret3; {3574#false} is VALID [2020-07-18 04:55:26,889 INFO L280 TraceCheckUtils]: 46: Hoare triple {3574#false} havoc #t~ret3; {3574#false} is VALID [2020-07-18 04:55:26,889 INFO L280 TraceCheckUtils]: 47: Hoare triple {3574#false} havoc #t~ret2; {3574#false} is VALID [2020-07-18 04:55:26,889 INFO L280 TraceCheckUtils]: 48: Hoare triple {3574#false} assume true; {3574#false} is VALID [2020-07-18 04:55:26,889 INFO L275 TraceCheckUtils]: 49: Hoare quadruple {3574#false} {3573#true} #69#return; {3574#false} is VALID [2020-07-18 04:55:26,889 INFO L280 TraceCheckUtils]: 50: Hoare triple {3574#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3574#false} is VALID [2020-07-18 04:55:26,889 INFO L263 TraceCheckUtils]: 51: Hoare triple {3574#false} call #t~ret1 := fibo2(~n - 2); {3573#true} is VALID [2020-07-18 04:55:26,889 INFO L280 TraceCheckUtils]: 52: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-18 04:55:26,890 INFO L280 TraceCheckUtils]: 53: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-18 04:55:26,890 INFO L280 TraceCheckUtils]: 54: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-18 04:55:26,890 INFO L280 TraceCheckUtils]: 55: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-18 04:55:26,890 INFO L280 TraceCheckUtils]: 56: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-18 04:55:26,890 INFO L275 TraceCheckUtils]: 57: Hoare quadruple {3573#true} {3574#false} #71#return; {3574#false} is VALID [2020-07-18 04:55:26,891 INFO L280 TraceCheckUtils]: 58: Hoare triple {3574#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3574#false} is VALID [2020-07-18 04:55:26,891 INFO L280 TraceCheckUtils]: 59: Hoare triple {3574#false} #res := #t~ret0 + #t~ret1; {3574#false} is VALID [2020-07-18 04:55:26,891 INFO L280 TraceCheckUtils]: 60: Hoare triple {3574#false} havoc #t~ret1; {3574#false} is VALID [2020-07-18 04:55:26,891 INFO L280 TraceCheckUtils]: 61: Hoare triple {3574#false} havoc #t~ret0; {3574#false} is VALID [2020-07-18 04:55:26,891 INFO L280 TraceCheckUtils]: 62: Hoare triple {3574#false} assume true; {3574#false} is VALID [2020-07-18 04:55:26,892 INFO L275 TraceCheckUtils]: 63: Hoare quadruple {3574#false} {3577#(<= 6 main_~x~0)} #63#return; {3574#false} is VALID [2020-07-18 04:55:26,892 INFO L280 TraceCheckUtils]: 64: Hoare triple {3574#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {3574#false} is VALID [2020-07-18 04:55:26,892 INFO L280 TraceCheckUtils]: 65: Hoare triple {3574#false} ~result~0 := #t~ret4; {3574#false} is VALID [2020-07-18 04:55:26,892 INFO L280 TraceCheckUtils]: 66: Hoare triple {3574#false} havoc #t~ret4; {3574#false} is VALID [2020-07-18 04:55:26,892 INFO L280 TraceCheckUtils]: 67: Hoare triple {3574#false} assume 8 == ~result~0; {3574#false} is VALID [2020-07-18 04:55:26,892 INFO L280 TraceCheckUtils]: 68: Hoare triple {3574#false} assume !false; {3574#false} is VALID [2020-07-18 04:55:26,898 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-07-18 04:55:26,899 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [413129674] [2020-07-18 04:55:26,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-18 04:55:26,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-07-18 04:55:26,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594215344] [2020-07-18 04:55:26,900 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 69 [2020-07-18 04:55:26,901 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 04:55:26,901 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-18 04:55:26,970 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 59 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:55:26,970 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-18 04:55:26,970 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 04:55:26,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-18 04:55:26,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-18 04:55:26,971 INFO L87 Difference]: Start difference. First operand 106 states and 145 transitions. Second operand 8 states. [2020-07-18 04:55:27,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:55:27,717 INFO L93 Difference]: Finished difference Result 227 states and 348 transitions. [2020-07-18 04:55:27,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-18 04:55:27,717 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 69 [2020-07-18 04:55:27,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 04:55:27,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-18 04:55:27,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 113 transitions. [2020-07-18 04:55:27,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-18 04:55:27,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 113 transitions. [2020-07-18 04:55:27,724 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 113 transitions. [2020-07-18 04:55:27,840 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 113 edges. 113 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:55:27,846 INFO L225 Difference]: With dead ends: 227 [2020-07-18 04:55:27,847 INFO L226 Difference]: Without dead ends: 127 [2020-07-18 04:55:27,848 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 [2020-07-18 04:55:27,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-07-18 04:55:28,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 115. [2020-07-18 04:55:28,092 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 04:55:28,092 INFO L82 GeneralOperation]: Start isEquivalent. First operand 127 states. Second operand 115 states. [2020-07-18 04:55:28,092 INFO L74 IsIncluded]: Start isIncluded. First operand 127 states. Second operand 115 states. [2020-07-18 04:55:28,093 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 115 states. [2020-07-18 04:55:28,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:55:28,101 INFO L93 Difference]: Finished difference Result 127 states and 180 transitions. [2020-07-18 04:55:28,101 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 180 transitions. [2020-07-18 04:55:28,103 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:55:28,103 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:55:28,103 INFO L74 IsIncluded]: Start isIncluded. First operand 115 states. Second operand 127 states. [2020-07-18 04:55:28,103 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 127 states. [2020-07-18 04:55:28,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:55:28,110 INFO L93 Difference]: Finished difference Result 127 states and 180 transitions. [2020-07-18 04:55:28,111 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 180 transitions. [2020-07-18 04:55:28,112 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:55:28,112 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:55:28,112 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 04:55:28,113 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 04:55:28,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-07-18 04:55:28,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 161 transitions. [2020-07-18 04:55:28,119 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 161 transitions. Word has length 69 [2020-07-18 04:55:28,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 04:55:28,119 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 161 transitions. [2020-07-18 04:55:28,119 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-18 04:55:28,119 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 115 states and 161 transitions. [2020-07-18 04:55:28,328 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 161 edges. 161 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:55:28,328 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 161 transitions. [2020-07-18 04:55:28,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-18 04:55:28,331 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:55:28,332 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] [2020-07-18 04:55:28,332 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-18 04:55:28,332 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:55:28,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:55:28,332 INFO L82 PathProgramCache]: Analyzing trace with hash -439633211, now seen corresponding path program 1 times [2020-07-18 04:55:28,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:55:28,333 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [744768973] [2020-07-18 04:55:28,333 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:55:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:28,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:28,370 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-18 04:55:28,370 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {4671#true} {4671#true} #59#return; {4671#true} is VALID [2020-07-18 04:55:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:28,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:28,527 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-18 04:55:28,528 INFO L280 TraceCheckUtils]: 1: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-18 04:55:28,528 INFO L280 TraceCheckUtils]: 2: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-18 04:55:28,528 INFO L280 TraceCheckUtils]: 3: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-18 04:55:28,528 INFO L280 TraceCheckUtils]: 4: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-18 04:55:28,529 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #69#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:28,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:28,534 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-18 04:55:28,534 INFO L280 TraceCheckUtils]: 1: Hoare triple {4671#true} assume ~n < 1; {4671#true} is VALID [2020-07-18 04:55:28,534 INFO L280 TraceCheckUtils]: 2: Hoare triple {4671#true} #res := 0; {4671#true} is VALID [2020-07-18 04:55:28,534 INFO L280 TraceCheckUtils]: 3: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-18 04:55:28,535 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #71#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:28,536 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} ~n := #in~n; {4814#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:28,537 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 [2020-07-18 04:55:28,537 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 [2020-07-18 04:55:28,538 INFO L263 TraceCheckUtils]: 3: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4671#true} is VALID [2020-07-18 04:55:28,538 INFO L280 TraceCheckUtils]: 4: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-18 04:55:28,538 INFO L280 TraceCheckUtils]: 5: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-18 04:55:28,538 INFO L280 TraceCheckUtils]: 6: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-18 04:55:28,538 INFO L280 TraceCheckUtils]: 7: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-18 04:55:28,539 INFO L280 TraceCheckUtils]: 8: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-18 04:55:28,540 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #69#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:28,540 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 [2020-07-18 04:55:28,540 INFO L263 TraceCheckUtils]: 11: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4671#true} is VALID [2020-07-18 04:55:28,541 INFO L280 TraceCheckUtils]: 12: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-18 04:55:28,541 INFO L280 TraceCheckUtils]: 13: Hoare triple {4671#true} assume ~n < 1; {4671#true} is VALID [2020-07-18 04:55:28,541 INFO L280 TraceCheckUtils]: 14: Hoare triple {4671#true} #res := 0; {4671#true} is VALID [2020-07-18 04:55:28,541 INFO L280 TraceCheckUtils]: 15: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-18 04:55:28,542 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #71#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:28,542 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 [2020-07-18 04:55:28,543 INFO L280 TraceCheckUtils]: 18: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:28,543 INFO L280 TraceCheckUtils]: 19: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:28,544 INFO L280 TraceCheckUtils]: 20: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:28,544 INFO L280 TraceCheckUtils]: 21: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume true; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:28,545 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 [2020-07-18 04:55:28,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:28,556 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-18 04:55:28,556 INFO L280 TraceCheckUtils]: 1: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-18 04:55:28,556 INFO L280 TraceCheckUtils]: 2: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-18 04:55:28,556 INFO L280 TraceCheckUtils]: 3: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-18 04:55:28,556 INFO L280 TraceCheckUtils]: 4: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-18 04:55:28,557 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {4671#true} {4807#(<= 3 |fibo2_#in~n|)} #67#return; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:28,558 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} ~n := #in~n; {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:28,558 INFO L280 TraceCheckUtils]: 1: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:28,559 INFO L280 TraceCheckUtils]: 2: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:28,559 INFO L263 TraceCheckUtils]: 3: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4671#true} is VALID [2020-07-18 04:55:28,560 INFO L280 TraceCheckUtils]: 4: Hoare triple {4671#true} ~n := #in~n; {4814#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:28,561 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 [2020-07-18 04:55:28,561 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 [2020-07-18 04:55:28,562 INFO L263 TraceCheckUtils]: 7: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4671#true} is VALID [2020-07-18 04:55:28,562 INFO L280 TraceCheckUtils]: 8: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-18 04:55:28,562 INFO L280 TraceCheckUtils]: 9: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-18 04:55:28,562 INFO L280 TraceCheckUtils]: 10: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-18 04:55:28,563 INFO L280 TraceCheckUtils]: 11: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-18 04:55:28,563 INFO L280 TraceCheckUtils]: 12: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-18 04:55:28,564 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #69#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:28,564 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 [2020-07-18 04:55:28,565 INFO L263 TraceCheckUtils]: 15: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4671#true} is VALID [2020-07-18 04:55:28,565 INFO L280 TraceCheckUtils]: 16: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-18 04:55:28,565 INFO L280 TraceCheckUtils]: 17: Hoare triple {4671#true} assume ~n < 1; {4671#true} is VALID [2020-07-18 04:55:28,565 INFO L280 TraceCheckUtils]: 18: Hoare triple {4671#true} #res := 0; {4671#true} is VALID [2020-07-18 04:55:28,565 INFO L280 TraceCheckUtils]: 19: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-18 04:55:28,566 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #71#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:28,567 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 [2020-07-18 04:55:28,568 INFO L280 TraceCheckUtils]: 22: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:28,568 INFO L280 TraceCheckUtils]: 23: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:28,569 INFO L280 TraceCheckUtils]: 24: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:28,569 INFO L280 TraceCheckUtils]: 25: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume true; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:28,570 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 [2020-07-18 04:55:28,571 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 [2020-07-18 04:55:28,571 INFO L263 TraceCheckUtils]: 28: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4671#true} is VALID [2020-07-18 04:55:28,571 INFO L280 TraceCheckUtils]: 29: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-18 04:55:28,572 INFO L280 TraceCheckUtils]: 30: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-18 04:55:28,572 INFO L280 TraceCheckUtils]: 31: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-18 04:55:28,572 INFO L280 TraceCheckUtils]: 32: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-18 04:55:28,572 INFO L280 TraceCheckUtils]: 33: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-18 04:55:28,573 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {4671#true} {4807#(<= 3 |fibo2_#in~n|)} #67#return; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:28,573 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 [2020-07-18 04:55:28,574 INFO L280 TraceCheckUtils]: 36: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:28,575 INFO L280 TraceCheckUtils]: 37: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} havoc #t~ret3; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:28,575 INFO L280 TraceCheckUtils]: 38: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} havoc #t~ret2; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:28,576 INFO L280 TraceCheckUtils]: 39: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} assume true; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:28,577 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {4807#(<= 3 |fibo2_#in~n|)} {4671#true} #69#return; {4776#(<= 4 fibo1_~n)} is VALID [2020-07-18 04:55:28,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:28,597 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} ~n := #in~n; {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:28,598 INFO L280 TraceCheckUtils]: 1: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:28,599 INFO L280 TraceCheckUtils]: 2: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:55:28,599 INFO L280 TraceCheckUtils]: 3: Hoare triple {4828#(<= |fibo2_#in~n| 1)} #res := 1; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:55:28,600 INFO L280 TraceCheckUtils]: 4: Hoare triple {4828#(<= |fibo2_#in~n| 1)} assume true; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:55:28,601 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {4828#(<= |fibo2_#in~n| 1)} {4776#(<= 4 fibo1_~n)} #71#return; {4672#false} is VALID [2020-07-18 04:55:28,601 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-18 04:55:28,601 INFO L280 TraceCheckUtils]: 1: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-18 04:55:28,602 INFO L280 TraceCheckUtils]: 2: Hoare triple {4671#true} assume !(1 == ~n); {4671#true} is VALID [2020-07-18 04:55:28,602 INFO L263 TraceCheckUtils]: 3: Hoare triple {4671#true} call #t~ret0 := fibo2(~n - 1); {4671#true} is VALID [2020-07-18 04:55:28,602 INFO L280 TraceCheckUtils]: 4: Hoare triple {4671#true} ~n := #in~n; {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:28,603 INFO L280 TraceCheckUtils]: 5: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:28,603 INFO L280 TraceCheckUtils]: 6: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:28,604 INFO L263 TraceCheckUtils]: 7: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4671#true} is VALID [2020-07-18 04:55:28,604 INFO L280 TraceCheckUtils]: 8: Hoare triple {4671#true} ~n := #in~n; {4814#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:28,605 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 [2020-07-18 04:55:28,606 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 [2020-07-18 04:55:28,606 INFO L263 TraceCheckUtils]: 11: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4671#true} is VALID [2020-07-18 04:55:28,606 INFO L280 TraceCheckUtils]: 12: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-18 04:55:28,606 INFO L280 TraceCheckUtils]: 13: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-18 04:55:28,606 INFO L280 TraceCheckUtils]: 14: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-18 04:55:28,606 INFO L280 TraceCheckUtils]: 15: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-18 04:55:28,607 INFO L280 TraceCheckUtils]: 16: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-18 04:55:28,608 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #69#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:28,608 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 [2020-07-18 04:55:28,608 INFO L263 TraceCheckUtils]: 19: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4671#true} is VALID [2020-07-18 04:55:28,609 INFO L280 TraceCheckUtils]: 20: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-18 04:55:28,609 INFO L280 TraceCheckUtils]: 21: Hoare triple {4671#true} assume ~n < 1; {4671#true} is VALID [2020-07-18 04:55:28,609 INFO L280 TraceCheckUtils]: 22: Hoare triple {4671#true} #res := 0; {4671#true} is VALID [2020-07-18 04:55:28,609 INFO L280 TraceCheckUtils]: 23: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-18 04:55:28,610 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #71#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:28,610 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 [2020-07-18 04:55:28,611 INFO L280 TraceCheckUtils]: 26: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:28,611 INFO L280 TraceCheckUtils]: 27: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:28,612 INFO L280 TraceCheckUtils]: 28: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:28,612 INFO L280 TraceCheckUtils]: 29: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume true; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:28,613 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 [2020-07-18 04:55:28,614 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 [2020-07-18 04:55:28,614 INFO L263 TraceCheckUtils]: 32: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4671#true} is VALID [2020-07-18 04:55:28,614 INFO L280 TraceCheckUtils]: 33: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-18 04:55:28,615 INFO L280 TraceCheckUtils]: 34: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-18 04:55:28,615 INFO L280 TraceCheckUtils]: 35: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-18 04:55:28,615 INFO L280 TraceCheckUtils]: 36: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-18 04:55:28,615 INFO L280 TraceCheckUtils]: 37: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-18 04:55:28,616 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {4671#true} {4807#(<= 3 |fibo2_#in~n|)} #67#return; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:28,616 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 [2020-07-18 04:55:28,617 INFO L280 TraceCheckUtils]: 40: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:28,618 INFO L280 TraceCheckUtils]: 41: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} havoc #t~ret3; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:28,618 INFO L280 TraceCheckUtils]: 42: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} havoc #t~ret2; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:28,619 INFO L280 TraceCheckUtils]: 43: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} assume true; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:28,620 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {4807#(<= 3 |fibo2_#in~n|)} {4671#true} #69#return; {4776#(<= 4 fibo1_~n)} is VALID [2020-07-18 04:55:28,620 INFO L280 TraceCheckUtils]: 45: Hoare triple {4776#(<= 4 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4776#(<= 4 fibo1_~n)} is VALID [2020-07-18 04:55:28,620 INFO L263 TraceCheckUtils]: 46: Hoare triple {4776#(<= 4 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {4671#true} is VALID [2020-07-18 04:55:28,621 INFO L280 TraceCheckUtils]: 47: Hoare triple {4671#true} ~n := #in~n; {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:28,621 INFO L280 TraceCheckUtils]: 48: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:28,622 INFO L280 TraceCheckUtils]: 49: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:55:28,623 INFO L280 TraceCheckUtils]: 50: Hoare triple {4828#(<= |fibo2_#in~n| 1)} #res := 1; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:55:28,623 INFO L280 TraceCheckUtils]: 51: Hoare triple {4828#(<= |fibo2_#in~n| 1)} assume true; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:55:28,624 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {4828#(<= |fibo2_#in~n| 1)} {4776#(<= 4 fibo1_~n)} #71#return; {4672#false} is VALID [2020-07-18 04:55:28,625 INFO L280 TraceCheckUtils]: 53: Hoare triple {4672#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {4672#false} is VALID [2020-07-18 04:55:28,625 INFO L280 TraceCheckUtils]: 54: Hoare triple {4672#false} #res := #t~ret0 + #t~ret1; {4672#false} is VALID [2020-07-18 04:55:28,625 INFO L280 TraceCheckUtils]: 55: Hoare triple {4672#false} havoc #t~ret1; {4672#false} is VALID [2020-07-18 04:55:28,625 INFO L280 TraceCheckUtils]: 56: Hoare triple {4672#false} havoc #t~ret0; {4672#false} is VALID [2020-07-18 04:55:28,626 INFO L280 TraceCheckUtils]: 57: Hoare triple {4672#false} assume true; {4672#false} is VALID [2020-07-18 04:55:28,626 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {4672#false} {4675#(<= 6 main_~x~0)} #63#return; {4672#false} is VALID [2020-07-18 04:55:28,629 INFO L263 TraceCheckUtils]: 0: Hoare triple {4671#true} call ULTIMATE.init(); {4671#true} is VALID [2020-07-18 04:55:28,629 INFO L280 TraceCheckUtils]: 1: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-18 04:55:28,629 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4671#true} {4671#true} #59#return; {4671#true} is VALID [2020-07-18 04:55:28,629 INFO L263 TraceCheckUtils]: 3: Hoare triple {4671#true} call #t~ret5 := main(); {4671#true} is VALID [2020-07-18 04:55:28,630 INFO L280 TraceCheckUtils]: 4: Hoare triple {4671#true} ~x~0 := 6; {4675#(<= 6 main_~x~0)} is VALID [2020-07-18 04:55:28,630 INFO L263 TraceCheckUtils]: 5: Hoare triple {4675#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {4671#true} is VALID [2020-07-18 04:55:28,630 INFO L280 TraceCheckUtils]: 6: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-18 04:55:28,631 INFO L280 TraceCheckUtils]: 7: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-18 04:55:28,631 INFO L280 TraceCheckUtils]: 8: Hoare triple {4671#true} assume !(1 == ~n); {4671#true} is VALID [2020-07-18 04:55:28,631 INFO L263 TraceCheckUtils]: 9: Hoare triple {4671#true} call #t~ret0 := fibo2(~n - 1); {4671#true} is VALID [2020-07-18 04:55:28,631 INFO L280 TraceCheckUtils]: 10: Hoare triple {4671#true} ~n := #in~n; {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:28,632 INFO L280 TraceCheckUtils]: 11: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:28,633 INFO L280 TraceCheckUtils]: 12: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:28,633 INFO L263 TraceCheckUtils]: 13: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4671#true} is VALID [2020-07-18 04:55:28,633 INFO L280 TraceCheckUtils]: 14: Hoare triple {4671#true} ~n := #in~n; {4814#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:28,634 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 [2020-07-18 04:55:28,635 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 [2020-07-18 04:55:28,635 INFO L263 TraceCheckUtils]: 17: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4671#true} is VALID [2020-07-18 04:55:28,635 INFO L280 TraceCheckUtils]: 18: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-18 04:55:28,636 INFO L280 TraceCheckUtils]: 19: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-18 04:55:28,636 INFO L280 TraceCheckUtils]: 20: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-18 04:55:28,636 INFO L280 TraceCheckUtils]: 21: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-18 04:55:28,636 INFO L280 TraceCheckUtils]: 22: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-18 04:55:28,637 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #69#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:28,638 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 [2020-07-18 04:55:28,638 INFO L263 TraceCheckUtils]: 25: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4671#true} is VALID [2020-07-18 04:55:28,638 INFO L280 TraceCheckUtils]: 26: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-18 04:55:28,638 INFO L280 TraceCheckUtils]: 27: Hoare triple {4671#true} assume ~n < 1; {4671#true} is VALID [2020-07-18 04:55:28,638 INFO L280 TraceCheckUtils]: 28: Hoare triple {4671#true} #res := 0; {4671#true} is VALID [2020-07-18 04:55:28,638 INFO L280 TraceCheckUtils]: 29: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-18 04:55:28,639 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #71#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:28,640 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 [2020-07-18 04:55:28,640 INFO L280 TraceCheckUtils]: 32: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:28,641 INFO L280 TraceCheckUtils]: 33: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:28,641 INFO L280 TraceCheckUtils]: 34: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:28,642 INFO L280 TraceCheckUtils]: 35: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume true; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:28,643 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 [2020-07-18 04:55:28,643 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 [2020-07-18 04:55:28,644 INFO L263 TraceCheckUtils]: 38: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4671#true} is VALID [2020-07-18 04:55:28,644 INFO L280 TraceCheckUtils]: 39: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-18 04:55:28,644 INFO L280 TraceCheckUtils]: 40: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-18 04:55:28,644 INFO L280 TraceCheckUtils]: 41: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-18 04:55:28,644 INFO L280 TraceCheckUtils]: 42: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-18 04:55:28,645 INFO L280 TraceCheckUtils]: 43: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-18 04:55:28,645 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {4671#true} {4807#(<= 3 |fibo2_#in~n|)} #67#return; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:28,646 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 [2020-07-18 04:55:28,646 INFO L280 TraceCheckUtils]: 46: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:28,647 INFO L280 TraceCheckUtils]: 47: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} havoc #t~ret3; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:28,647 INFO L280 TraceCheckUtils]: 48: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} havoc #t~ret2; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:28,648 INFO L280 TraceCheckUtils]: 49: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} assume true; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:28,649 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {4807#(<= 3 |fibo2_#in~n|)} {4671#true} #69#return; {4776#(<= 4 fibo1_~n)} is VALID [2020-07-18 04:55:28,649 INFO L280 TraceCheckUtils]: 51: Hoare triple {4776#(<= 4 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4776#(<= 4 fibo1_~n)} is VALID [2020-07-18 04:55:28,650 INFO L263 TraceCheckUtils]: 52: Hoare triple {4776#(<= 4 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {4671#true} is VALID [2020-07-18 04:55:28,650 INFO L280 TraceCheckUtils]: 53: Hoare triple {4671#true} ~n := #in~n; {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:28,650 INFO L280 TraceCheckUtils]: 54: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:28,651 INFO L280 TraceCheckUtils]: 55: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:55:28,652 INFO L280 TraceCheckUtils]: 56: Hoare triple {4828#(<= |fibo2_#in~n| 1)} #res := 1; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:55:28,652 INFO L280 TraceCheckUtils]: 57: Hoare triple {4828#(<= |fibo2_#in~n| 1)} assume true; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:55:28,653 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {4828#(<= |fibo2_#in~n| 1)} {4776#(<= 4 fibo1_~n)} #71#return; {4672#false} is VALID [2020-07-18 04:55:28,653 INFO L280 TraceCheckUtils]: 59: Hoare triple {4672#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {4672#false} is VALID [2020-07-18 04:55:28,653 INFO L280 TraceCheckUtils]: 60: Hoare triple {4672#false} #res := #t~ret0 + #t~ret1; {4672#false} is VALID [2020-07-18 04:55:28,654 INFO L280 TraceCheckUtils]: 61: Hoare triple {4672#false} havoc #t~ret1; {4672#false} is VALID [2020-07-18 04:55:28,654 INFO L280 TraceCheckUtils]: 62: Hoare triple {4672#false} havoc #t~ret0; {4672#false} is VALID [2020-07-18 04:55:28,654 INFO L280 TraceCheckUtils]: 63: Hoare triple {4672#false} assume true; {4672#false} is VALID [2020-07-18 04:55:28,654 INFO L275 TraceCheckUtils]: 64: Hoare quadruple {4672#false} {4675#(<= 6 main_~x~0)} #63#return; {4672#false} is VALID [2020-07-18 04:55:28,654 INFO L280 TraceCheckUtils]: 65: Hoare triple {4672#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {4672#false} is VALID [2020-07-18 04:55:28,654 INFO L280 TraceCheckUtils]: 66: Hoare triple {4672#false} ~result~0 := #t~ret4; {4672#false} is VALID [2020-07-18 04:55:28,655 INFO L280 TraceCheckUtils]: 67: Hoare triple {4672#false} havoc #t~ret4; {4672#false} is VALID [2020-07-18 04:55:28,655 INFO L280 TraceCheckUtils]: 68: Hoare triple {4672#false} assume 8 == ~result~0; {4672#false} is VALID [2020-07-18 04:55:28,655 INFO L280 TraceCheckUtils]: 69: Hoare triple {4672#false} assume !false; {4672#false} is VALID [2020-07-18 04:55:28,658 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 23 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-07-18 04:55:28,659 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [744768973] [2020-07-18 04:55:28,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-18 04:55:28,659 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-07-18 04:55:28,659 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705845452] [2020-07-18 04:55:28,660 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 70 [2020-07-18 04:55:28,660 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 04:55:28,661 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2020-07-18 04:55:28,724 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:55:28,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-18 04:55:28,725 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 04:55:28,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-18 04:55:28,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-07-18 04:55:28,725 INFO L87 Difference]: Start difference. First operand 115 states and 161 transitions. Second operand 10 states. [2020-07-18 04:55:29,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:55:29,811 INFO L93 Difference]: Finished difference Result 257 states and 400 transitions. [2020-07-18 04:55:29,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-18 04:55:29,811 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 70 [2020-07-18 04:55:29,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 04:55:29,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-18 04:55:29,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 127 transitions. [2020-07-18 04:55:29,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-18 04:55:29,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 127 transitions. [2020-07-18 04:55:29,818 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 127 transitions. [2020-07-18 04:55:29,959 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 127 edges. 127 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:55:29,965 INFO L225 Difference]: With dead ends: 257 [2020-07-18 04:55:29,965 INFO L226 Difference]: Without dead ends: 151 [2020-07-18 04:55:29,967 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 [2020-07-18 04:55:29,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-07-18 04:55:30,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 133. [2020-07-18 04:55:30,277 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 04:55:30,277 INFO L82 GeneralOperation]: Start isEquivalent. First operand 151 states. Second operand 133 states. [2020-07-18 04:55:30,277 INFO L74 IsIncluded]: Start isIncluded. First operand 151 states. Second operand 133 states. [2020-07-18 04:55:30,277 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 133 states. [2020-07-18 04:55:30,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:55:30,290 INFO L93 Difference]: Finished difference Result 151 states and 217 transitions. [2020-07-18 04:55:30,290 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 217 transitions. [2020-07-18 04:55:30,292 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:55:30,292 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:55:30,292 INFO L74 IsIncluded]: Start isIncluded. First operand 133 states. Second operand 151 states. [2020-07-18 04:55:30,292 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 151 states. [2020-07-18 04:55:30,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:55:30,299 INFO L93 Difference]: Finished difference Result 151 states and 217 transitions. [2020-07-18 04:55:30,299 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 217 transitions. [2020-07-18 04:55:30,301 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:55:30,301 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:55:30,301 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 04:55:30,301 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 04:55:30,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-07-18 04:55:30,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 191 transitions. [2020-07-18 04:55:30,308 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 191 transitions. Word has length 70 [2020-07-18 04:55:30,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 04:55:30,309 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 191 transitions. [2020-07-18 04:55:30,309 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-18 04:55:30,309 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 133 states and 191 transitions. [2020-07-18 04:55:30,569 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 191 edges. 191 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:55:30,569 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 191 transitions. [2020-07-18 04:55:30,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-07-18 04:55:30,573 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:55:30,573 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] [2020-07-18 04:55:30,573 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-18 04:55:30,573 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:55:30,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:55:30,574 INFO L82 PathProgramCache]: Analyzing trace with hash 307755032, now seen corresponding path program 2 times [2020-07-18 04:55:30,574 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:55:30,574 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1668488314] [2020-07-18 04:55:30,574 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:55:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:30,623 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:55:30,624 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {5924#true} {5924#true} #59#return; {5924#true} is VALID [2020-07-18 04:55:30,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:30,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:30,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:30,740 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:30,741 INFO L280 TraceCheckUtils]: 1: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:30,741 INFO L280 TraceCheckUtils]: 2: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:55:30,742 INFO L280 TraceCheckUtils]: 3: Hoare triple {6150#(<= |fibo2_#in~n| 1)} #res := 1; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:55:30,742 INFO L280 TraceCheckUtils]: 4: Hoare triple {6150#(<= |fibo2_#in~n| 1)} assume true; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:55:30,744 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 [2020-07-18 04:55:30,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:30,747 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:55:30,748 INFO L280 TraceCheckUtils]: 1: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-18 04:55:30,748 INFO L280 TraceCheckUtils]: 2: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-18 04:55:30,748 INFO L280 TraceCheckUtils]: 3: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:55:30,749 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {5924#true} {6144#(<= |fibo1_#in~n| 2)} #71#return; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:55:30,749 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:30,750 INFO L280 TraceCheckUtils]: 1: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:30,751 INFO L280 TraceCheckUtils]: 2: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:30,751 INFO L263 TraceCheckUtils]: 3: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-18 04:55:30,751 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:30,752 INFO L280 TraceCheckUtils]: 5: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:30,752 INFO L280 TraceCheckUtils]: 6: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:55:30,753 INFO L280 TraceCheckUtils]: 7: Hoare triple {6150#(<= |fibo2_#in~n| 1)} #res := 1; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:55:30,753 INFO L280 TraceCheckUtils]: 8: Hoare triple {6150#(<= |fibo2_#in~n| 1)} assume true; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:55:30,754 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 [2020-07-18 04:55:30,755 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 [2020-07-18 04:55:30,755 INFO L263 TraceCheckUtils]: 11: Hoare triple {6144#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-18 04:55:30,755 INFO L280 TraceCheckUtils]: 12: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:55:30,755 INFO L280 TraceCheckUtils]: 13: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-18 04:55:30,756 INFO L280 TraceCheckUtils]: 14: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-18 04:55:30,756 INFO L280 TraceCheckUtils]: 15: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:55:30,757 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {5924#true} {6144#(<= |fibo1_#in~n| 2)} #71#return; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:55:30,757 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 [2020-07-18 04:55:30,757 INFO L280 TraceCheckUtils]: 18: Hoare triple {6144#(<= |fibo1_#in~n| 2)} #res := #t~ret0 + #t~ret1; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:55:30,758 INFO L280 TraceCheckUtils]: 19: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret1; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:55:30,758 INFO L280 TraceCheckUtils]: 20: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret0; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:55:30,759 INFO L280 TraceCheckUtils]: 21: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume true; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:55:30,760 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 [2020-07-18 04:55:30,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:30,765 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:55:30,765 INFO L280 TraceCheckUtils]: 1: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-18 04:55:30,765 INFO L280 TraceCheckUtils]: 2: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-18 04:55:30,765 INFO L280 TraceCheckUtils]: 3: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-18 04:55:30,766 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:55:30,767 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {5924#true} {6130#(<= |fibo2_#in~n| 3)} #67#return; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:55:30,768 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:30,769 INFO L280 TraceCheckUtils]: 1: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:30,769 INFO L280 TraceCheckUtils]: 2: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:30,770 INFO L263 TraceCheckUtils]: 3: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {5924#true} is VALID [2020-07-18 04:55:30,770 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:30,771 INFO L280 TraceCheckUtils]: 5: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:30,771 INFO L280 TraceCheckUtils]: 6: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:30,772 INFO L263 TraceCheckUtils]: 7: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-18 04:55:30,773 INFO L280 TraceCheckUtils]: 8: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:30,773 INFO L280 TraceCheckUtils]: 9: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:30,774 INFO L280 TraceCheckUtils]: 10: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:55:30,775 INFO L280 TraceCheckUtils]: 11: Hoare triple {6150#(<= |fibo2_#in~n| 1)} #res := 1; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:55:30,776 INFO L280 TraceCheckUtils]: 12: Hoare triple {6150#(<= |fibo2_#in~n| 1)} assume true; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:55:30,777 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 [2020-07-18 04:55:30,778 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 [2020-07-18 04:55:30,778 INFO L263 TraceCheckUtils]: 15: Hoare triple {6144#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-18 04:55:30,778 INFO L280 TraceCheckUtils]: 16: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:55:30,778 INFO L280 TraceCheckUtils]: 17: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-18 04:55:30,778 INFO L280 TraceCheckUtils]: 18: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-18 04:55:30,779 INFO L280 TraceCheckUtils]: 19: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:55:30,780 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {5924#true} {6144#(<= |fibo1_#in~n| 2)} #71#return; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:55:30,780 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 [2020-07-18 04:55:30,781 INFO L280 TraceCheckUtils]: 22: Hoare triple {6144#(<= |fibo1_#in~n| 2)} #res := #t~ret0 + #t~ret1; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:55:30,781 INFO L280 TraceCheckUtils]: 23: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret1; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:55:30,782 INFO L280 TraceCheckUtils]: 24: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret0; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:55:30,782 INFO L280 TraceCheckUtils]: 25: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume true; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:55:30,784 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 [2020-07-18 04:55:30,784 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 [2020-07-18 04:55:30,784 INFO L263 TraceCheckUtils]: 28: Hoare triple {6130#(<= |fibo2_#in~n| 3)} call #t~ret3 := fibo1(~n - 2); {5924#true} is VALID [2020-07-18 04:55:30,785 INFO L280 TraceCheckUtils]: 29: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:55:30,785 INFO L280 TraceCheckUtils]: 30: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-18 04:55:30,785 INFO L280 TraceCheckUtils]: 31: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-18 04:55:30,785 INFO L280 TraceCheckUtils]: 32: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-18 04:55:30,785 INFO L280 TraceCheckUtils]: 33: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:55:30,786 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {5924#true} {6130#(<= |fibo2_#in~n| 3)} #67#return; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:55:30,787 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 [2020-07-18 04:55:30,787 INFO L280 TraceCheckUtils]: 36: Hoare triple {6130#(<= |fibo2_#in~n| 3)} #res := #t~ret2 + #t~ret3; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:55:30,788 INFO L280 TraceCheckUtils]: 37: Hoare triple {6130#(<= |fibo2_#in~n| 3)} havoc #t~ret3; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:55:30,788 INFO L280 TraceCheckUtils]: 38: Hoare triple {6130#(<= |fibo2_#in~n| 3)} havoc #t~ret2; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:55:30,789 INFO L280 TraceCheckUtils]: 39: Hoare triple {6130#(<= |fibo2_#in~n| 3)} assume true; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:55:30,790 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {6130#(<= |fibo2_#in~n| 3)} {5924#true} #69#return; {6064#(<= fibo1_~n 4)} is VALID [2020-07-18 04:55:30,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:30,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:30,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:30,889 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:55:30,890 INFO L280 TraceCheckUtils]: 1: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-18 04:55:30,890 INFO L280 TraceCheckUtils]: 2: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-18 04:55:30,890 INFO L280 TraceCheckUtils]: 3: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-18 04:55:30,891 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:55:30,891 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #69#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:30,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:30,896 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:55:30,897 INFO L280 TraceCheckUtils]: 1: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-18 04:55:30,897 INFO L280 TraceCheckUtils]: 2: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-18 04:55:30,897 INFO L280 TraceCheckUtils]: 3: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:55:30,898 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #71#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:30,899 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:30,900 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 [2020-07-18 04:55:30,901 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 [2020-07-18 04:55:30,901 INFO L263 TraceCheckUtils]: 3: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-18 04:55:30,902 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:55:30,902 INFO L280 TraceCheckUtils]: 5: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-18 04:55:30,902 INFO L280 TraceCheckUtils]: 6: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-18 04:55:30,903 INFO L280 TraceCheckUtils]: 7: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-18 04:55:30,903 INFO L280 TraceCheckUtils]: 8: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:55:30,904 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #69#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:30,905 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 [2020-07-18 04:55:30,905 INFO L263 TraceCheckUtils]: 11: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-18 04:55:30,905 INFO L280 TraceCheckUtils]: 12: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:55:30,906 INFO L280 TraceCheckUtils]: 13: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-18 04:55:30,906 INFO L280 TraceCheckUtils]: 14: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-18 04:55:30,907 INFO L280 TraceCheckUtils]: 15: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:55:30,907 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #71#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:30,908 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 [2020-07-18 04:55:30,909 INFO L280 TraceCheckUtils]: 18: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:30,910 INFO L280 TraceCheckUtils]: 19: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:30,911 INFO L280 TraceCheckUtils]: 20: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:30,912 INFO L280 TraceCheckUtils]: 21: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume true; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:30,913 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 [2020-07-18 04:55:30,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:30,918 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:55:30,918 INFO L280 TraceCheckUtils]: 1: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-18 04:55:30,919 INFO L280 TraceCheckUtils]: 2: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-18 04:55:30,919 INFO L280 TraceCheckUtils]: 3: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-18 04:55:30,919 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:55:30,920 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {5924#true} {6174#(<= 3 |fibo2_#in~n|)} #67#return; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:30,921 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:30,921 INFO L280 TraceCheckUtils]: 1: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:30,922 INFO L280 TraceCheckUtils]: 2: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:30,922 INFO L263 TraceCheckUtils]: 3: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {5924#true} is VALID [2020-07-18 04:55:30,922 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:30,924 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 [2020-07-18 04:55:30,925 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 [2020-07-18 04:55:30,925 INFO L263 TraceCheckUtils]: 7: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-18 04:55:30,925 INFO L280 TraceCheckUtils]: 8: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:55:30,926 INFO L280 TraceCheckUtils]: 9: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-18 04:55:30,926 INFO L280 TraceCheckUtils]: 10: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-18 04:55:30,926 INFO L280 TraceCheckUtils]: 11: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-18 04:55:30,926 INFO L280 TraceCheckUtils]: 12: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:55:30,927 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #69#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:30,928 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 [2020-07-18 04:55:30,928 INFO L263 TraceCheckUtils]: 15: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-18 04:55:30,928 INFO L280 TraceCheckUtils]: 16: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:55:30,929 INFO L280 TraceCheckUtils]: 17: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-18 04:55:30,929 INFO L280 TraceCheckUtils]: 18: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-18 04:55:30,929 INFO L280 TraceCheckUtils]: 19: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:55:30,931 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #71#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:30,931 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 [2020-07-18 04:55:30,932 INFO L280 TraceCheckUtils]: 22: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:30,933 INFO L280 TraceCheckUtils]: 23: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:30,934 INFO L280 TraceCheckUtils]: 24: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:30,934 INFO L280 TraceCheckUtils]: 25: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume true; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:30,936 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 [2020-07-18 04:55:30,937 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 [2020-07-18 04:55:30,937 INFO L263 TraceCheckUtils]: 28: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {5924#true} is VALID [2020-07-18 04:55:30,937 INFO L280 TraceCheckUtils]: 29: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:55:30,938 INFO L280 TraceCheckUtils]: 30: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-18 04:55:30,938 INFO L280 TraceCheckUtils]: 31: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-18 04:55:30,938 INFO L280 TraceCheckUtils]: 32: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-18 04:55:30,939 INFO L280 TraceCheckUtils]: 33: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:55:30,940 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {5924#true} {6174#(<= 3 |fibo2_#in~n|)} #67#return; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:30,941 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 [2020-07-18 04:55:30,941 INFO L280 TraceCheckUtils]: 36: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:30,942 INFO L280 TraceCheckUtils]: 37: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} havoc #t~ret3; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:30,943 INFO L280 TraceCheckUtils]: 38: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} havoc #t~ret2; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:30,943 INFO L280 TraceCheckUtils]: 39: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} assume true; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:30,944 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {6174#(<= 3 |fibo2_#in~n|)} {6064#(<= fibo1_~n 4)} #71#return; {5925#false} is VALID [2020-07-18 04:55:30,946 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:55:30,946 INFO L280 TraceCheckUtils]: 1: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-18 04:55:30,946 INFO L280 TraceCheckUtils]: 2: Hoare triple {5924#true} assume !(1 == ~n); {5924#true} is VALID [2020-07-18 04:55:30,947 INFO L263 TraceCheckUtils]: 3: Hoare triple {5924#true} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-18 04:55:30,947 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:30,948 INFO L280 TraceCheckUtils]: 5: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:30,948 INFO L280 TraceCheckUtils]: 6: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:30,948 INFO L263 TraceCheckUtils]: 7: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {5924#true} is VALID [2020-07-18 04:55:30,949 INFO L280 TraceCheckUtils]: 8: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:30,949 INFO L280 TraceCheckUtils]: 9: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:30,950 INFO L280 TraceCheckUtils]: 10: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:30,950 INFO L263 TraceCheckUtils]: 11: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-18 04:55:30,951 INFO L280 TraceCheckUtils]: 12: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:30,952 INFO L280 TraceCheckUtils]: 13: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:30,953 INFO L280 TraceCheckUtils]: 14: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:55:30,953 INFO L280 TraceCheckUtils]: 15: Hoare triple {6150#(<= |fibo2_#in~n| 1)} #res := 1; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:55:30,954 INFO L280 TraceCheckUtils]: 16: Hoare triple {6150#(<= |fibo2_#in~n| 1)} assume true; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:55:30,955 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 [2020-07-18 04:55:30,956 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 [2020-07-18 04:55:30,956 INFO L263 TraceCheckUtils]: 19: Hoare triple {6144#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-18 04:55:30,957 INFO L280 TraceCheckUtils]: 20: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:55:30,957 INFO L280 TraceCheckUtils]: 21: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-18 04:55:30,957 INFO L280 TraceCheckUtils]: 22: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-18 04:55:30,957 INFO L280 TraceCheckUtils]: 23: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:55:30,959 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {5924#true} {6144#(<= |fibo1_#in~n| 2)} #71#return; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:55:30,959 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 [2020-07-18 04:55:30,960 INFO L280 TraceCheckUtils]: 26: Hoare triple {6144#(<= |fibo1_#in~n| 2)} #res := #t~ret0 + #t~ret1; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:55:30,961 INFO L280 TraceCheckUtils]: 27: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret1; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:55:30,961 INFO L280 TraceCheckUtils]: 28: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret0; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:55:30,962 INFO L280 TraceCheckUtils]: 29: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume true; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:55:30,964 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 [2020-07-18 04:55:30,965 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 [2020-07-18 04:55:30,965 INFO L263 TraceCheckUtils]: 32: Hoare triple {6130#(<= |fibo2_#in~n| 3)} call #t~ret3 := fibo1(~n - 2); {5924#true} is VALID [2020-07-18 04:55:30,965 INFO L280 TraceCheckUtils]: 33: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:55:30,966 INFO L280 TraceCheckUtils]: 34: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-18 04:55:30,966 INFO L280 TraceCheckUtils]: 35: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-18 04:55:30,966 INFO L280 TraceCheckUtils]: 36: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-18 04:55:30,966 INFO L280 TraceCheckUtils]: 37: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:55:30,968 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {5924#true} {6130#(<= |fibo2_#in~n| 3)} #67#return; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:55:30,969 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 [2020-07-18 04:55:30,969 INFO L280 TraceCheckUtils]: 40: Hoare triple {6130#(<= |fibo2_#in~n| 3)} #res := #t~ret2 + #t~ret3; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:55:30,970 INFO L280 TraceCheckUtils]: 41: Hoare triple {6130#(<= |fibo2_#in~n| 3)} havoc #t~ret3; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:55:30,970 INFO L280 TraceCheckUtils]: 42: Hoare triple {6130#(<= |fibo2_#in~n| 3)} havoc #t~ret2; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:55:30,971 INFO L280 TraceCheckUtils]: 43: Hoare triple {6130#(<= |fibo2_#in~n| 3)} assume true; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:55:30,972 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {6130#(<= |fibo2_#in~n| 3)} {5924#true} #69#return; {6064#(<= fibo1_~n 4)} is VALID [2020-07-18 04:55:30,973 INFO L280 TraceCheckUtils]: 45: Hoare triple {6064#(<= fibo1_~n 4)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6064#(<= fibo1_~n 4)} is VALID [2020-07-18 04:55:30,973 INFO L263 TraceCheckUtils]: 46: Hoare triple {6064#(<= fibo1_~n 4)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-18 04:55:30,973 INFO L280 TraceCheckUtils]: 47: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:30,974 INFO L280 TraceCheckUtils]: 48: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:30,974 INFO L280 TraceCheckUtils]: 49: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:30,975 INFO L263 TraceCheckUtils]: 50: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {5924#true} is VALID [2020-07-18 04:55:30,975 INFO L280 TraceCheckUtils]: 51: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:30,976 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 [2020-07-18 04:55:30,977 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 [2020-07-18 04:55:30,977 INFO L263 TraceCheckUtils]: 54: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-18 04:55:30,977 INFO L280 TraceCheckUtils]: 55: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:55:30,977 INFO L280 TraceCheckUtils]: 56: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-18 04:55:30,977 INFO L280 TraceCheckUtils]: 57: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-18 04:55:30,978 INFO L280 TraceCheckUtils]: 58: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-18 04:55:30,978 INFO L280 TraceCheckUtils]: 59: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:55:30,979 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #69#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:30,979 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 [2020-07-18 04:55:30,980 INFO L263 TraceCheckUtils]: 62: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-18 04:55:30,980 INFO L280 TraceCheckUtils]: 63: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:55:30,980 INFO L280 TraceCheckUtils]: 64: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-18 04:55:30,980 INFO L280 TraceCheckUtils]: 65: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-18 04:55:30,980 INFO L280 TraceCheckUtils]: 66: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:55:30,981 INFO L275 TraceCheckUtils]: 67: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #71#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:30,982 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 [2020-07-18 04:55:30,982 INFO L280 TraceCheckUtils]: 69: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:30,983 INFO L280 TraceCheckUtils]: 70: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:30,983 INFO L280 TraceCheckUtils]: 71: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:30,984 INFO L280 TraceCheckUtils]: 72: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume true; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:30,985 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 [2020-07-18 04:55:30,985 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 [2020-07-18 04:55:30,985 INFO L263 TraceCheckUtils]: 75: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {5924#true} is VALID [2020-07-18 04:55:30,986 INFO L280 TraceCheckUtils]: 76: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:55:30,986 INFO L280 TraceCheckUtils]: 77: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-18 04:55:30,986 INFO L280 TraceCheckUtils]: 78: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-18 04:55:30,986 INFO L280 TraceCheckUtils]: 79: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-18 04:55:30,986 INFO L280 TraceCheckUtils]: 80: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:55:30,987 INFO L275 TraceCheckUtils]: 81: Hoare quadruple {5924#true} {6174#(<= 3 |fibo2_#in~n|)} #67#return; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:30,988 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 [2020-07-18 04:55:30,988 INFO L280 TraceCheckUtils]: 83: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:30,989 INFO L280 TraceCheckUtils]: 84: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} havoc #t~ret3; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:30,989 INFO L280 TraceCheckUtils]: 85: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} havoc #t~ret2; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:30,990 INFO L280 TraceCheckUtils]: 86: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} assume true; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:30,991 INFO L275 TraceCheckUtils]: 87: Hoare quadruple {6174#(<= 3 |fibo2_#in~n|)} {6064#(<= fibo1_~n 4)} #71#return; {5925#false} is VALID [2020-07-18 04:55:30,991 INFO L280 TraceCheckUtils]: 88: Hoare triple {5925#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {5925#false} is VALID [2020-07-18 04:55:30,991 INFO L280 TraceCheckUtils]: 89: Hoare triple {5925#false} #res := #t~ret0 + #t~ret1; {5925#false} is VALID [2020-07-18 04:55:30,991 INFO L280 TraceCheckUtils]: 90: Hoare triple {5925#false} havoc #t~ret1; {5925#false} is VALID [2020-07-18 04:55:30,991 INFO L280 TraceCheckUtils]: 91: Hoare triple {5925#false} havoc #t~ret0; {5925#false} is VALID [2020-07-18 04:55:30,992 INFO L280 TraceCheckUtils]: 92: Hoare triple {5925#false} assume true; {5925#false} is VALID [2020-07-18 04:55:30,992 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {5925#false} {5928#(<= 6 main_~x~0)} #63#return; {5925#false} is VALID [2020-07-18 04:55:31,000 INFO L263 TraceCheckUtils]: 0: Hoare triple {5924#true} call ULTIMATE.init(); {5924#true} is VALID [2020-07-18 04:55:31,000 INFO L280 TraceCheckUtils]: 1: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:55:31,000 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {5924#true} {5924#true} #59#return; {5924#true} is VALID [2020-07-18 04:55:31,001 INFO L263 TraceCheckUtils]: 3: Hoare triple {5924#true} call #t~ret5 := main(); {5924#true} is VALID [2020-07-18 04:55:31,001 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} ~x~0 := 6; {5928#(<= 6 main_~x~0)} is VALID [2020-07-18 04:55:31,002 INFO L263 TraceCheckUtils]: 5: Hoare triple {5928#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {5924#true} is VALID [2020-07-18 04:55:31,002 INFO L280 TraceCheckUtils]: 6: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:55:31,002 INFO L280 TraceCheckUtils]: 7: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-18 04:55:31,002 INFO L280 TraceCheckUtils]: 8: Hoare triple {5924#true} assume !(1 == ~n); {5924#true} is VALID [2020-07-18 04:55:31,002 INFO L263 TraceCheckUtils]: 9: Hoare triple {5924#true} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-18 04:55:31,003 INFO L280 TraceCheckUtils]: 10: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:31,004 INFO L280 TraceCheckUtils]: 11: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:31,004 INFO L280 TraceCheckUtils]: 12: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:31,005 INFO L263 TraceCheckUtils]: 13: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {5924#true} is VALID [2020-07-18 04:55:31,005 INFO L280 TraceCheckUtils]: 14: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:31,006 INFO L280 TraceCheckUtils]: 15: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:31,006 INFO L280 TraceCheckUtils]: 16: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:31,007 INFO L263 TraceCheckUtils]: 17: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-18 04:55:31,007 INFO L280 TraceCheckUtils]: 18: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:31,008 INFO L280 TraceCheckUtils]: 19: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:31,009 INFO L280 TraceCheckUtils]: 20: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:55:31,009 INFO L280 TraceCheckUtils]: 21: Hoare triple {6150#(<= |fibo2_#in~n| 1)} #res := 1; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:55:31,010 INFO L280 TraceCheckUtils]: 22: Hoare triple {6150#(<= |fibo2_#in~n| 1)} assume true; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:55:31,011 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 [2020-07-18 04:55:31,012 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 [2020-07-18 04:55:31,012 INFO L263 TraceCheckUtils]: 25: Hoare triple {6144#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-18 04:55:31,012 INFO L280 TraceCheckUtils]: 26: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:55:31,013 INFO L280 TraceCheckUtils]: 27: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-18 04:55:31,013 INFO L280 TraceCheckUtils]: 28: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-18 04:55:31,013 INFO L280 TraceCheckUtils]: 29: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:55:31,014 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {5924#true} {6144#(<= |fibo1_#in~n| 2)} #71#return; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:55:31,015 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 [2020-07-18 04:55:31,015 INFO L280 TraceCheckUtils]: 32: Hoare triple {6144#(<= |fibo1_#in~n| 2)} #res := #t~ret0 + #t~ret1; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:55:31,016 INFO L280 TraceCheckUtils]: 33: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret1; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:55:31,017 INFO L280 TraceCheckUtils]: 34: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret0; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:55:31,017 INFO L280 TraceCheckUtils]: 35: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume true; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:55:31,019 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 [2020-07-18 04:55:31,019 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 [2020-07-18 04:55:31,020 INFO L263 TraceCheckUtils]: 38: Hoare triple {6130#(<= |fibo2_#in~n| 3)} call #t~ret3 := fibo1(~n - 2); {5924#true} is VALID [2020-07-18 04:55:31,020 INFO L280 TraceCheckUtils]: 39: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:55:31,020 INFO L280 TraceCheckUtils]: 40: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-18 04:55:31,020 INFO L280 TraceCheckUtils]: 41: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-18 04:55:31,020 INFO L280 TraceCheckUtils]: 42: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-18 04:55:31,021 INFO L280 TraceCheckUtils]: 43: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:55:31,022 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {5924#true} {6130#(<= |fibo2_#in~n| 3)} #67#return; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:55:31,022 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 [2020-07-18 04:55:31,023 INFO L280 TraceCheckUtils]: 46: Hoare triple {6130#(<= |fibo2_#in~n| 3)} #res := #t~ret2 + #t~ret3; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:55:31,024 INFO L280 TraceCheckUtils]: 47: Hoare triple {6130#(<= |fibo2_#in~n| 3)} havoc #t~ret3; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:55:31,024 INFO L280 TraceCheckUtils]: 48: Hoare triple {6130#(<= |fibo2_#in~n| 3)} havoc #t~ret2; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:55:31,025 INFO L280 TraceCheckUtils]: 49: Hoare triple {6130#(<= |fibo2_#in~n| 3)} assume true; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:55:31,026 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {6130#(<= |fibo2_#in~n| 3)} {5924#true} #69#return; {6064#(<= fibo1_~n 4)} is VALID [2020-07-18 04:55:31,027 INFO L280 TraceCheckUtils]: 51: Hoare triple {6064#(<= fibo1_~n 4)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6064#(<= fibo1_~n 4)} is VALID [2020-07-18 04:55:31,027 INFO L263 TraceCheckUtils]: 52: Hoare triple {6064#(<= fibo1_~n 4)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-18 04:55:31,028 INFO L280 TraceCheckUtils]: 53: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:31,028 INFO L280 TraceCheckUtils]: 54: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:31,029 INFO L280 TraceCheckUtils]: 55: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:31,029 INFO L263 TraceCheckUtils]: 56: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {5924#true} is VALID [2020-07-18 04:55:31,029 INFO L280 TraceCheckUtils]: 57: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:31,030 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 [2020-07-18 04:55:31,031 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 [2020-07-18 04:55:31,031 INFO L263 TraceCheckUtils]: 60: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-18 04:55:31,031 INFO L280 TraceCheckUtils]: 61: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:55:31,031 INFO L280 TraceCheckUtils]: 62: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-18 04:55:31,032 INFO L280 TraceCheckUtils]: 63: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-18 04:55:31,032 INFO L280 TraceCheckUtils]: 64: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-18 04:55:31,032 INFO L280 TraceCheckUtils]: 65: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:55:31,033 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #69#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:31,033 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 [2020-07-18 04:55:31,033 INFO L263 TraceCheckUtils]: 68: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-18 04:55:31,034 INFO L280 TraceCheckUtils]: 69: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:55:31,034 INFO L280 TraceCheckUtils]: 70: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-18 04:55:31,034 INFO L280 TraceCheckUtils]: 71: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-18 04:55:31,034 INFO L280 TraceCheckUtils]: 72: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:55:31,035 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #71#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:31,035 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 [2020-07-18 04:55:31,036 INFO L280 TraceCheckUtils]: 75: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:31,036 INFO L280 TraceCheckUtils]: 76: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:31,037 INFO L280 TraceCheckUtils]: 77: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:31,037 INFO L280 TraceCheckUtils]: 78: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume true; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:31,038 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 [2020-07-18 04:55:31,039 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 [2020-07-18 04:55:31,039 INFO L263 TraceCheckUtils]: 81: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {5924#true} is VALID [2020-07-18 04:55:31,039 INFO L280 TraceCheckUtils]: 82: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:55:31,040 INFO L280 TraceCheckUtils]: 83: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-18 04:55:31,040 INFO L280 TraceCheckUtils]: 84: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-18 04:55:31,040 INFO L280 TraceCheckUtils]: 85: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-18 04:55:31,040 INFO L280 TraceCheckUtils]: 86: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:55:31,041 INFO L275 TraceCheckUtils]: 87: Hoare quadruple {5924#true} {6174#(<= 3 |fibo2_#in~n|)} #67#return; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:31,042 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 [2020-07-18 04:55:31,042 INFO L280 TraceCheckUtils]: 89: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:31,043 INFO L280 TraceCheckUtils]: 90: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} havoc #t~ret3; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:31,043 INFO L280 TraceCheckUtils]: 91: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} havoc #t~ret2; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:31,044 INFO L280 TraceCheckUtils]: 92: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} assume true; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:31,045 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {6174#(<= 3 |fibo2_#in~n|)} {6064#(<= fibo1_~n 4)} #71#return; {5925#false} is VALID [2020-07-18 04:55:31,045 INFO L280 TraceCheckUtils]: 94: Hoare triple {5925#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {5925#false} is VALID [2020-07-18 04:55:31,045 INFO L280 TraceCheckUtils]: 95: Hoare triple {5925#false} #res := #t~ret0 + #t~ret1; {5925#false} is VALID [2020-07-18 04:55:31,046 INFO L280 TraceCheckUtils]: 96: Hoare triple {5925#false} havoc #t~ret1; {5925#false} is VALID [2020-07-18 04:55:31,046 INFO L280 TraceCheckUtils]: 97: Hoare triple {5925#false} havoc #t~ret0; {5925#false} is VALID [2020-07-18 04:55:31,046 INFO L280 TraceCheckUtils]: 98: Hoare triple {5925#false} assume true; {5925#false} is VALID [2020-07-18 04:55:31,046 INFO L275 TraceCheckUtils]: 99: Hoare quadruple {5925#false} {5928#(<= 6 main_~x~0)} #63#return; {5925#false} is VALID [2020-07-18 04:55:31,046 INFO L280 TraceCheckUtils]: 100: Hoare triple {5925#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {5925#false} is VALID [2020-07-18 04:55:31,047 INFO L280 TraceCheckUtils]: 101: Hoare triple {5925#false} ~result~0 := #t~ret4; {5925#false} is VALID [2020-07-18 04:55:31,047 INFO L280 TraceCheckUtils]: 102: Hoare triple {5925#false} havoc #t~ret4; {5925#false} is VALID [2020-07-18 04:55:31,047 INFO L280 TraceCheckUtils]: 103: Hoare triple {5925#false} assume 8 == ~result~0; {5925#false} is VALID [2020-07-18 04:55:31,047 INFO L280 TraceCheckUtils]: 104: Hoare triple {5925#false} assume !false; {5925#false} is VALID [2020-07-18 04:55:31,057 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 36 proven. 59 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-07-18 04:55:31,057 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1668488314] [2020-07-18 04:55:31,058 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-18 04:55:31,058 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-07-18 04:55:31,058 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984240929] [2020-07-18 04:55:31,059 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 105 [2020-07-18 04:55:31,060 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 04:55:31,060 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states. [2020-07-18 04:55:31,148 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 85 edges. 85 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:55:31,148 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-18 04:55:31,148 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 04:55:31,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-18 04:55:31,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-18 04:55:31,149 INFO L87 Difference]: Start difference. First operand 133 states and 191 transitions. Second operand 12 states. [2020-07-18 04:55:32,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:55:32,740 INFO L93 Difference]: Finished difference Result 265 states and 420 transitions. [2020-07-18 04:55:32,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-18 04:55:32,740 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 105 [2020-07-18 04:55:32,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 04:55:32,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-07-18 04:55:32,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 175 transitions. [2020-07-18 04:55:32,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-07-18 04:55:32,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 175 transitions. [2020-07-18 04:55:32,750 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states and 175 transitions. [2020-07-18 04:55:32,946 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 175 edges. 175 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:55:32,954 INFO L225 Difference]: With dead ends: 265 [2020-07-18 04:55:32,954 INFO L226 Difference]: Without dead ends: 116 [2020-07-18 04:55:32,956 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 [2020-07-18 04:55:32,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-07-18 04:55:33,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 95. [2020-07-18 04:55:33,140 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 04:55:33,140 INFO L82 GeneralOperation]: Start isEquivalent. First operand 116 states. Second operand 95 states. [2020-07-18 04:55:33,140 INFO L74 IsIncluded]: Start isIncluded. First operand 116 states. Second operand 95 states. [2020-07-18 04:55:33,140 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 95 states. [2020-07-18 04:55:33,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:55:33,144 INFO L93 Difference]: Finished difference Result 116 states and 145 transitions. [2020-07-18 04:55:33,144 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 145 transitions. [2020-07-18 04:55:33,145 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:55:33,145 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:55:33,145 INFO L74 IsIncluded]: Start isIncluded. First operand 95 states. Second operand 116 states. [2020-07-18 04:55:33,145 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 116 states. [2020-07-18 04:55:33,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:55:33,149 INFO L93 Difference]: Finished difference Result 116 states and 145 transitions. [2020-07-18 04:55:33,150 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 145 transitions. [2020-07-18 04:55:33,150 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:55:33,150 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:55:33,151 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 04:55:33,151 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 04:55:33,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-07-18 04:55:33,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 117 transitions. [2020-07-18 04:55:33,154 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 117 transitions. Word has length 105 [2020-07-18 04:55:33,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 04:55:33,154 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 117 transitions. [2020-07-18 04:55:33,154 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-18 04:55:33,154 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 95 states and 117 transitions. [2020-07-18 04:55:33,339 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 117 edges. 117 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:55:33,339 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 117 transitions. [2020-07-18 04:55:33,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-07-18 04:55:33,341 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:55:33,341 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] [2020-07-18 04:55:33,341 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-18 04:55:33,342 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:55:33,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:55:33,342 INFO L82 PathProgramCache]: Analyzing trace with hash -1534580400, now seen corresponding path program 1 times [2020-07-18 04:55:33,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:55:33,343 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [711400940] [2020-07-18 04:55:33,343 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:55:33,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:33,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:33,388 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,389 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {7174#true} {7174#true} #59#return; {7174#true} is VALID [2020-07-18 04:55:33,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:33,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:33,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:33,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:33,543 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,543 INFO L280 TraceCheckUtils]: 1: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-18 04:55:33,544 INFO L280 TraceCheckUtils]: 2: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-18 04:55:33,544 INFO L280 TraceCheckUtils]: 3: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-18 04:55:33,544 INFO L280 TraceCheckUtils]: 4: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,545 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {7174#true} {7472#(<= 2 |fibo2_#in~n|)} #65#return; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:33,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:33,549 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,549 INFO L280 TraceCheckUtils]: 1: Hoare triple {7174#true} assume ~n < 1; {7174#true} is VALID [2020-07-18 04:55:33,550 INFO L280 TraceCheckUtils]: 2: Hoare triple {7174#true} #res := 0; {7174#true} is VALID [2020-07-18 04:55:33,550 INFO L280 TraceCheckUtils]: 3: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,550 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {7174#true} {7472#(<= 2 |fibo2_#in~n|)} #67#return; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:33,551 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} ~n := #in~n; {7470#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:33,552 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 [2020-07-18 04:55:33,552 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 [2020-07-18 04:55:33,553 INFO L263 TraceCheckUtils]: 3: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {7174#true} is VALID [2020-07-18 04:55:33,553 INFO L280 TraceCheckUtils]: 4: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,553 INFO L280 TraceCheckUtils]: 5: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-18 04:55:33,553 INFO L280 TraceCheckUtils]: 6: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-18 04:55:33,554 INFO L280 TraceCheckUtils]: 7: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-18 04:55:33,554 INFO L280 TraceCheckUtils]: 8: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,555 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {7174#true} {7472#(<= 2 |fibo2_#in~n|)} #65#return; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:33,555 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 [2020-07-18 04:55:33,555 INFO L263 TraceCheckUtils]: 11: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {7174#true} is VALID [2020-07-18 04:55:33,555 INFO L280 TraceCheckUtils]: 12: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,556 INFO L280 TraceCheckUtils]: 13: Hoare triple {7174#true} assume ~n < 1; {7174#true} is VALID [2020-07-18 04:55:33,556 INFO L280 TraceCheckUtils]: 14: Hoare triple {7174#true} #res := 0; {7174#true} is VALID [2020-07-18 04:55:33,556 INFO L280 TraceCheckUtils]: 15: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,557 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {7174#true} {7472#(<= 2 |fibo2_#in~n|)} #67#return; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:33,557 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 [2020-07-18 04:55:33,558 INFO L280 TraceCheckUtils]: 18: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:33,558 INFO L280 TraceCheckUtils]: 19: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:33,559 INFO L280 TraceCheckUtils]: 20: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:33,559 INFO L280 TraceCheckUtils]: 21: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} assume true; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:33,560 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 [2020-07-18 04:55:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:33,565 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,565 INFO L280 TraceCheckUtils]: 1: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-18 04:55:33,566 INFO L280 TraceCheckUtils]: 2: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-18 04:55:33,566 INFO L280 TraceCheckUtils]: 3: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-18 04:55:33,566 INFO L280 TraceCheckUtils]: 4: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,567 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {7174#true} {7463#(<= 3 |fibo1_#in~n|)} #71#return; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,567 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} ~n := #in~n; {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,568 INFO L280 TraceCheckUtils]: 1: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,568 INFO L280 TraceCheckUtils]: 2: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,568 INFO L263 TraceCheckUtils]: 3: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {7174#true} is VALID [2020-07-18 04:55:33,569 INFO L280 TraceCheckUtils]: 4: Hoare triple {7174#true} ~n := #in~n; {7470#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:33,570 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 [2020-07-18 04:55:33,571 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 [2020-07-18 04:55:33,571 INFO L263 TraceCheckUtils]: 7: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {7174#true} is VALID [2020-07-18 04:55:33,571 INFO L280 TraceCheckUtils]: 8: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,571 INFO L280 TraceCheckUtils]: 9: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-18 04:55:33,572 INFO L280 TraceCheckUtils]: 10: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-18 04:55:33,572 INFO L280 TraceCheckUtils]: 11: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-18 04:55:33,572 INFO L280 TraceCheckUtils]: 12: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,573 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {7174#true} {7472#(<= 2 |fibo2_#in~n|)} #65#return; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:33,573 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 [2020-07-18 04:55:33,574 INFO L263 TraceCheckUtils]: 15: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {7174#true} is VALID [2020-07-18 04:55:33,574 INFO L280 TraceCheckUtils]: 16: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,574 INFO L280 TraceCheckUtils]: 17: Hoare triple {7174#true} assume ~n < 1; {7174#true} is VALID [2020-07-18 04:55:33,574 INFO L280 TraceCheckUtils]: 18: Hoare triple {7174#true} #res := 0; {7174#true} is VALID [2020-07-18 04:55:33,574 INFO L280 TraceCheckUtils]: 19: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,575 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {7174#true} {7472#(<= 2 |fibo2_#in~n|)} #67#return; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:33,576 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 [2020-07-18 04:55:33,576 INFO L280 TraceCheckUtils]: 22: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:33,577 INFO L280 TraceCheckUtils]: 23: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:33,577 INFO L280 TraceCheckUtils]: 24: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:33,578 INFO L280 TraceCheckUtils]: 25: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} assume true; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:33,579 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 [2020-07-18 04:55:33,579 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 [2020-07-18 04:55:33,580 INFO L263 TraceCheckUtils]: 28: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {7174#true} is VALID [2020-07-18 04:55:33,580 INFO L280 TraceCheckUtils]: 29: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,580 INFO L280 TraceCheckUtils]: 30: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-18 04:55:33,580 INFO L280 TraceCheckUtils]: 31: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-18 04:55:33,580 INFO L280 TraceCheckUtils]: 32: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-18 04:55:33,581 INFO L280 TraceCheckUtils]: 33: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,581 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {7174#true} {7463#(<= 3 |fibo1_#in~n|)} #71#return; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,582 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 [2020-07-18 04:55:33,582 INFO L280 TraceCheckUtils]: 36: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,583 INFO L280 TraceCheckUtils]: 37: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} havoc #t~ret1; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,583 INFO L280 TraceCheckUtils]: 38: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} havoc #t~ret0; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,584 INFO L280 TraceCheckUtils]: 39: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} assume true; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,585 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {7463#(<= 3 |fibo1_#in~n|)} {7174#true} #65#return; {7432#(<= 4 fibo2_~n)} is VALID [2020-07-18 04:55:33,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:33,613 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} ~n := #in~n; {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,614 INFO L280 TraceCheckUtils]: 1: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,615 INFO L280 TraceCheckUtils]: 2: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {7484#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:33,615 INFO L280 TraceCheckUtils]: 3: Hoare triple {7484#(<= |fibo1_#in~n| 1)} #res := 1; {7484#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:33,616 INFO L280 TraceCheckUtils]: 4: Hoare triple {7484#(<= |fibo1_#in~n| 1)} assume true; {7484#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:33,617 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {7484#(<= |fibo1_#in~n| 1)} {7432#(<= 4 fibo2_~n)} #67#return; {7175#false} is VALID [2020-07-18 04:55:33,617 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,617 INFO L280 TraceCheckUtils]: 1: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-18 04:55:33,617 INFO L280 TraceCheckUtils]: 2: Hoare triple {7174#true} assume !(1 == ~n); {7174#true} is VALID [2020-07-18 04:55:33,617 INFO L263 TraceCheckUtils]: 3: Hoare triple {7174#true} call #t~ret2 := fibo1(~n - 1); {7174#true} is VALID [2020-07-18 04:55:33,618 INFO L280 TraceCheckUtils]: 4: Hoare triple {7174#true} ~n := #in~n; {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,618 INFO L280 TraceCheckUtils]: 5: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,619 INFO L280 TraceCheckUtils]: 6: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,619 INFO L263 TraceCheckUtils]: 7: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {7174#true} is VALID [2020-07-18 04:55:33,619 INFO L280 TraceCheckUtils]: 8: Hoare triple {7174#true} ~n := #in~n; {7470#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:33,620 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 [2020-07-18 04:55:33,621 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 [2020-07-18 04:55:33,621 INFO L263 TraceCheckUtils]: 11: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {7174#true} is VALID [2020-07-18 04:55:33,621 INFO L280 TraceCheckUtils]: 12: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,621 INFO L280 TraceCheckUtils]: 13: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-18 04:55:33,622 INFO L280 TraceCheckUtils]: 14: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-18 04:55:33,622 INFO L280 TraceCheckUtils]: 15: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-18 04:55:33,622 INFO L280 TraceCheckUtils]: 16: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,626 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {7174#true} {7472#(<= 2 |fibo2_#in~n|)} #65#return; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:33,626 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 [2020-07-18 04:55:33,626 INFO L263 TraceCheckUtils]: 19: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {7174#true} is VALID [2020-07-18 04:55:33,627 INFO L280 TraceCheckUtils]: 20: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,627 INFO L280 TraceCheckUtils]: 21: Hoare triple {7174#true} assume ~n < 1; {7174#true} is VALID [2020-07-18 04:55:33,627 INFO L280 TraceCheckUtils]: 22: Hoare triple {7174#true} #res := 0; {7174#true} is VALID [2020-07-18 04:55:33,627 INFO L280 TraceCheckUtils]: 23: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,628 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {7174#true} {7472#(<= 2 |fibo2_#in~n|)} #67#return; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:33,628 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 [2020-07-18 04:55:33,628 INFO L280 TraceCheckUtils]: 26: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:33,629 INFO L280 TraceCheckUtils]: 27: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:33,629 INFO L280 TraceCheckUtils]: 28: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:33,629 INFO L280 TraceCheckUtils]: 29: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} assume true; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:33,631 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 [2020-07-18 04:55:33,631 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 [2020-07-18 04:55:33,631 INFO L263 TraceCheckUtils]: 32: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {7174#true} is VALID [2020-07-18 04:55:33,632 INFO L280 TraceCheckUtils]: 33: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,632 INFO L280 TraceCheckUtils]: 34: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-18 04:55:33,632 INFO L280 TraceCheckUtils]: 35: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-18 04:55:33,632 INFO L280 TraceCheckUtils]: 36: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-18 04:55:33,632 INFO L280 TraceCheckUtils]: 37: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,633 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {7174#true} {7463#(<= 3 |fibo1_#in~n|)} #71#return; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,634 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 [2020-07-18 04:55:33,634 INFO L280 TraceCheckUtils]: 40: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,635 INFO L280 TraceCheckUtils]: 41: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} havoc #t~ret1; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,635 INFO L280 TraceCheckUtils]: 42: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} havoc #t~ret0; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,635 INFO L280 TraceCheckUtils]: 43: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} assume true; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,636 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {7463#(<= 3 |fibo1_#in~n|)} {7174#true} #65#return; {7432#(<= 4 fibo2_~n)} is VALID [2020-07-18 04:55:33,636 INFO L280 TraceCheckUtils]: 45: Hoare triple {7432#(<= 4 fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7432#(<= 4 fibo2_~n)} is VALID [2020-07-18 04:55:33,637 INFO L263 TraceCheckUtils]: 46: Hoare triple {7432#(<= 4 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {7174#true} is VALID [2020-07-18 04:55:33,637 INFO L280 TraceCheckUtils]: 47: Hoare triple {7174#true} ~n := #in~n; {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,637 INFO L280 TraceCheckUtils]: 48: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,638 INFO L280 TraceCheckUtils]: 49: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {7484#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:33,638 INFO L280 TraceCheckUtils]: 50: Hoare triple {7484#(<= |fibo1_#in~n| 1)} #res := 1; {7484#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:33,638 INFO L280 TraceCheckUtils]: 51: Hoare triple {7484#(<= |fibo1_#in~n| 1)} assume true; {7484#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:33,639 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {7484#(<= |fibo1_#in~n| 1)} {7432#(<= 4 fibo2_~n)} #67#return; {7175#false} is VALID [2020-07-18 04:55:33,639 INFO L280 TraceCheckUtils]: 53: Hoare triple {7175#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7175#false} is VALID [2020-07-18 04:55:33,639 INFO L280 TraceCheckUtils]: 54: Hoare triple {7175#false} #res := #t~ret2 + #t~ret3; {7175#false} is VALID [2020-07-18 04:55:33,640 INFO L280 TraceCheckUtils]: 55: Hoare triple {7175#false} havoc #t~ret3; {7175#false} is VALID [2020-07-18 04:55:33,640 INFO L280 TraceCheckUtils]: 56: Hoare triple {7175#false} havoc #t~ret2; {7175#false} is VALID [2020-07-18 04:55:33,640 INFO L280 TraceCheckUtils]: 57: Hoare triple {7175#false} assume true; {7175#false} is VALID [2020-07-18 04:55:33,640 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {7175#false} {7174#true} #69#return; {7175#false} is VALID [2020-07-18 04:55:33,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:33,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:33,657 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,657 INFO L280 TraceCheckUtils]: 1: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-18 04:55:33,657 INFO L280 TraceCheckUtils]: 2: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-18 04:55:33,658 INFO L280 TraceCheckUtils]: 3: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-18 04:55:33,658 INFO L280 TraceCheckUtils]: 4: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,658 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {7174#true} {7174#true} #69#return; {7174#true} is VALID [2020-07-18 04:55:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:33,661 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,661 INFO L280 TraceCheckUtils]: 1: Hoare triple {7174#true} assume ~n < 1; {7174#true} is VALID [2020-07-18 04:55:33,661 INFO L280 TraceCheckUtils]: 2: Hoare triple {7174#true} #res := 0; {7174#true} is VALID [2020-07-18 04:55:33,661 INFO L280 TraceCheckUtils]: 3: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,662 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {7174#true} {7174#true} #71#return; {7174#true} is VALID [2020-07-18 04:55:33,662 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,662 INFO L280 TraceCheckUtils]: 1: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-18 04:55:33,662 INFO L280 TraceCheckUtils]: 2: Hoare triple {7174#true} assume !(1 == ~n); {7174#true} is VALID [2020-07-18 04:55:33,662 INFO L263 TraceCheckUtils]: 3: Hoare triple {7174#true} call #t~ret0 := fibo2(~n - 1); {7174#true} is VALID [2020-07-18 04:55:33,662 INFO L280 TraceCheckUtils]: 4: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,663 INFO L280 TraceCheckUtils]: 5: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-18 04:55:33,663 INFO L280 TraceCheckUtils]: 6: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-18 04:55:33,663 INFO L280 TraceCheckUtils]: 7: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-18 04:55:33,663 INFO L280 TraceCheckUtils]: 8: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,663 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {7174#true} {7174#true} #69#return; {7174#true} is VALID [2020-07-18 04:55:33,664 INFO L280 TraceCheckUtils]: 10: Hoare triple {7174#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7174#true} is VALID [2020-07-18 04:55:33,664 INFO L263 TraceCheckUtils]: 11: Hoare triple {7174#true} call #t~ret1 := fibo2(~n - 2); {7174#true} is VALID [2020-07-18 04:55:33,664 INFO L280 TraceCheckUtils]: 12: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,664 INFO L280 TraceCheckUtils]: 13: Hoare triple {7174#true} assume ~n < 1; {7174#true} is VALID [2020-07-18 04:55:33,664 INFO L280 TraceCheckUtils]: 14: Hoare triple {7174#true} #res := 0; {7174#true} is VALID [2020-07-18 04:55:33,665 INFO L280 TraceCheckUtils]: 15: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,665 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {7174#true} {7174#true} #71#return; {7174#true} is VALID [2020-07-18 04:55:33,665 INFO L280 TraceCheckUtils]: 17: Hoare triple {7174#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {7174#true} is VALID [2020-07-18 04:55:33,665 INFO L280 TraceCheckUtils]: 18: Hoare triple {7174#true} #res := #t~ret0 + #t~ret1; {7174#true} is VALID [2020-07-18 04:55:33,665 INFO L280 TraceCheckUtils]: 19: Hoare triple {7174#true} havoc #t~ret1; {7174#true} is VALID [2020-07-18 04:55:33,666 INFO L280 TraceCheckUtils]: 20: Hoare triple {7174#true} havoc #t~ret0; {7174#true} is VALID [2020-07-18 04:55:33,666 INFO L280 TraceCheckUtils]: 21: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,666 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {7174#true} {7174#true} #65#return; {7174#true} is VALID [2020-07-18 04:55:33,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:33,669 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,670 INFO L280 TraceCheckUtils]: 1: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-18 04:55:33,670 INFO L280 TraceCheckUtils]: 2: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-18 04:55:33,670 INFO L280 TraceCheckUtils]: 3: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-18 04:55:33,670 INFO L280 TraceCheckUtils]: 4: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,670 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {7174#true} {7174#true} #67#return; {7174#true} is VALID [2020-07-18 04:55:33,671 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,671 INFO L280 TraceCheckUtils]: 1: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-18 04:55:33,671 INFO L280 TraceCheckUtils]: 2: Hoare triple {7174#true} assume !(1 == ~n); {7174#true} is VALID [2020-07-18 04:55:33,671 INFO L263 TraceCheckUtils]: 3: Hoare triple {7174#true} call #t~ret2 := fibo1(~n - 1); {7174#true} is VALID [2020-07-18 04:55:33,671 INFO L280 TraceCheckUtils]: 4: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,672 INFO L280 TraceCheckUtils]: 5: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-18 04:55:33,672 INFO L280 TraceCheckUtils]: 6: Hoare triple {7174#true} assume !(1 == ~n); {7174#true} is VALID [2020-07-18 04:55:33,672 INFO L263 TraceCheckUtils]: 7: Hoare triple {7174#true} call #t~ret0 := fibo2(~n - 1); {7174#true} is VALID [2020-07-18 04:55:33,672 INFO L280 TraceCheckUtils]: 8: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,672 INFO L280 TraceCheckUtils]: 9: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-18 04:55:33,672 INFO L280 TraceCheckUtils]: 10: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-18 04:55:33,673 INFO L280 TraceCheckUtils]: 11: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-18 04:55:33,673 INFO L280 TraceCheckUtils]: 12: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,673 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {7174#true} {7174#true} #69#return; {7174#true} is VALID [2020-07-18 04:55:33,673 INFO L280 TraceCheckUtils]: 14: Hoare triple {7174#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7174#true} is VALID [2020-07-18 04:55:33,673 INFO L263 TraceCheckUtils]: 15: Hoare triple {7174#true} call #t~ret1 := fibo2(~n - 2); {7174#true} is VALID [2020-07-18 04:55:33,674 INFO L280 TraceCheckUtils]: 16: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,674 INFO L280 TraceCheckUtils]: 17: Hoare triple {7174#true} assume ~n < 1; {7174#true} is VALID [2020-07-18 04:55:33,674 INFO L280 TraceCheckUtils]: 18: Hoare triple {7174#true} #res := 0; {7174#true} is VALID [2020-07-18 04:55:33,674 INFO L280 TraceCheckUtils]: 19: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,674 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {7174#true} {7174#true} #71#return; {7174#true} is VALID [2020-07-18 04:55:33,675 INFO L280 TraceCheckUtils]: 21: Hoare triple {7174#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {7174#true} is VALID [2020-07-18 04:55:33,675 INFO L280 TraceCheckUtils]: 22: Hoare triple {7174#true} #res := #t~ret0 + #t~ret1; {7174#true} is VALID [2020-07-18 04:55:33,675 INFO L280 TraceCheckUtils]: 23: Hoare triple {7174#true} havoc #t~ret1; {7174#true} is VALID [2020-07-18 04:55:33,675 INFO L280 TraceCheckUtils]: 24: Hoare triple {7174#true} havoc #t~ret0; {7174#true} is VALID [2020-07-18 04:55:33,675 INFO L280 TraceCheckUtils]: 25: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,675 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {7174#true} {7174#true} #65#return; {7174#true} is VALID [2020-07-18 04:55:33,676 INFO L280 TraceCheckUtils]: 27: Hoare triple {7174#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7174#true} is VALID [2020-07-18 04:55:33,676 INFO L263 TraceCheckUtils]: 28: Hoare triple {7174#true} call #t~ret3 := fibo1(~n - 2); {7174#true} is VALID [2020-07-18 04:55:33,676 INFO L280 TraceCheckUtils]: 29: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,676 INFO L280 TraceCheckUtils]: 30: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-18 04:55:33,676 INFO L280 TraceCheckUtils]: 31: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-18 04:55:33,677 INFO L280 TraceCheckUtils]: 32: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-18 04:55:33,677 INFO L280 TraceCheckUtils]: 33: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,677 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {7174#true} {7174#true} #67#return; {7174#true} is VALID [2020-07-18 04:55:33,677 INFO L280 TraceCheckUtils]: 35: Hoare triple {7174#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7174#true} is VALID [2020-07-18 04:55:33,677 INFO L280 TraceCheckUtils]: 36: Hoare triple {7174#true} #res := #t~ret2 + #t~ret3; {7174#true} is VALID [2020-07-18 04:55:33,677 INFO L280 TraceCheckUtils]: 37: Hoare triple {7174#true} havoc #t~ret3; {7174#true} is VALID [2020-07-18 04:55:33,678 INFO L280 TraceCheckUtils]: 38: Hoare triple {7174#true} havoc #t~ret2; {7174#true} is VALID [2020-07-18 04:55:33,678 INFO L280 TraceCheckUtils]: 39: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,678 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {7174#true} {7175#false} #71#return; {7175#false} is VALID [2020-07-18 04:55:33,679 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,679 INFO L280 TraceCheckUtils]: 1: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-18 04:55:33,679 INFO L280 TraceCheckUtils]: 2: Hoare triple {7174#true} assume !(1 == ~n); {7174#true} is VALID [2020-07-18 04:55:33,680 INFO L263 TraceCheckUtils]: 3: Hoare triple {7174#true} call #t~ret0 := fibo2(~n - 1); {7174#true} is VALID [2020-07-18 04:55:33,680 INFO L280 TraceCheckUtils]: 4: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,680 INFO L280 TraceCheckUtils]: 5: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-18 04:55:33,680 INFO L280 TraceCheckUtils]: 6: Hoare triple {7174#true} assume !(1 == ~n); {7174#true} is VALID [2020-07-18 04:55:33,680 INFO L263 TraceCheckUtils]: 7: Hoare triple {7174#true} call #t~ret2 := fibo1(~n - 1); {7174#true} is VALID [2020-07-18 04:55:33,681 INFO L280 TraceCheckUtils]: 8: Hoare triple {7174#true} ~n := #in~n; {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,682 INFO L280 TraceCheckUtils]: 9: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,682 INFO L280 TraceCheckUtils]: 10: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,683 INFO L263 TraceCheckUtils]: 11: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {7174#true} is VALID [2020-07-18 04:55:33,683 INFO L280 TraceCheckUtils]: 12: Hoare triple {7174#true} ~n := #in~n; {7470#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:33,684 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 [2020-07-18 04:55:33,684 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 [2020-07-18 04:55:33,685 INFO L263 TraceCheckUtils]: 15: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {7174#true} is VALID [2020-07-18 04:55:33,685 INFO L280 TraceCheckUtils]: 16: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,685 INFO L280 TraceCheckUtils]: 17: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-18 04:55:33,685 INFO L280 TraceCheckUtils]: 18: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-18 04:55:33,685 INFO L280 TraceCheckUtils]: 19: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-18 04:55:33,685 INFO L280 TraceCheckUtils]: 20: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,686 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {7174#true} {7472#(<= 2 |fibo2_#in~n|)} #65#return; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:33,687 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 [2020-07-18 04:55:33,687 INFO L263 TraceCheckUtils]: 23: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {7174#true} is VALID [2020-07-18 04:55:33,687 INFO L280 TraceCheckUtils]: 24: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,687 INFO L280 TraceCheckUtils]: 25: Hoare triple {7174#true} assume ~n < 1; {7174#true} is VALID [2020-07-18 04:55:33,687 INFO L280 TraceCheckUtils]: 26: Hoare triple {7174#true} #res := 0; {7174#true} is VALID [2020-07-18 04:55:33,688 INFO L280 TraceCheckUtils]: 27: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,688 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {7174#true} {7472#(<= 2 |fibo2_#in~n|)} #67#return; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:33,689 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 [2020-07-18 04:55:33,689 INFO L280 TraceCheckUtils]: 30: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:33,690 INFO L280 TraceCheckUtils]: 31: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:33,690 INFO L280 TraceCheckUtils]: 32: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:33,691 INFO L280 TraceCheckUtils]: 33: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} assume true; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:33,692 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 [2020-07-18 04:55:33,692 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 [2020-07-18 04:55:33,693 INFO L263 TraceCheckUtils]: 36: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {7174#true} is VALID [2020-07-18 04:55:33,693 INFO L280 TraceCheckUtils]: 37: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,693 INFO L280 TraceCheckUtils]: 38: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-18 04:55:33,693 INFO L280 TraceCheckUtils]: 39: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-18 04:55:33,693 INFO L280 TraceCheckUtils]: 40: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-18 04:55:33,694 INFO L280 TraceCheckUtils]: 41: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,694 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {7174#true} {7463#(<= 3 |fibo1_#in~n|)} #71#return; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,695 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 [2020-07-18 04:55:33,695 INFO L280 TraceCheckUtils]: 44: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,696 INFO L280 TraceCheckUtils]: 45: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} havoc #t~ret1; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,696 INFO L280 TraceCheckUtils]: 46: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} havoc #t~ret0; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,697 INFO L280 TraceCheckUtils]: 47: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} assume true; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,698 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {7463#(<= 3 |fibo1_#in~n|)} {7174#true} #65#return; {7432#(<= 4 fibo2_~n)} is VALID [2020-07-18 04:55:33,699 INFO L280 TraceCheckUtils]: 49: Hoare triple {7432#(<= 4 fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7432#(<= 4 fibo2_~n)} is VALID [2020-07-18 04:55:33,699 INFO L263 TraceCheckUtils]: 50: Hoare triple {7432#(<= 4 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {7174#true} is VALID [2020-07-18 04:55:33,699 INFO L280 TraceCheckUtils]: 51: Hoare triple {7174#true} ~n := #in~n; {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,700 INFO L280 TraceCheckUtils]: 52: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,700 INFO L280 TraceCheckUtils]: 53: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {7484#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:33,701 INFO L280 TraceCheckUtils]: 54: Hoare triple {7484#(<= |fibo1_#in~n| 1)} #res := 1; {7484#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:33,702 INFO L280 TraceCheckUtils]: 55: Hoare triple {7484#(<= |fibo1_#in~n| 1)} assume true; {7484#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:33,703 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {7484#(<= |fibo1_#in~n| 1)} {7432#(<= 4 fibo2_~n)} #67#return; {7175#false} is VALID [2020-07-18 04:55:33,703 INFO L280 TraceCheckUtils]: 57: Hoare triple {7175#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7175#false} is VALID [2020-07-18 04:55:33,703 INFO L280 TraceCheckUtils]: 58: Hoare triple {7175#false} #res := #t~ret2 + #t~ret3; {7175#false} is VALID [2020-07-18 04:55:33,703 INFO L280 TraceCheckUtils]: 59: Hoare triple {7175#false} havoc #t~ret3; {7175#false} is VALID [2020-07-18 04:55:33,704 INFO L280 TraceCheckUtils]: 60: Hoare triple {7175#false} havoc #t~ret2; {7175#false} is VALID [2020-07-18 04:55:33,704 INFO L280 TraceCheckUtils]: 61: Hoare triple {7175#false} assume true; {7175#false} is VALID [2020-07-18 04:55:33,704 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {7175#false} {7174#true} #69#return; {7175#false} is VALID [2020-07-18 04:55:33,704 INFO L280 TraceCheckUtils]: 63: Hoare triple {7175#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7175#false} is VALID [2020-07-18 04:55:33,704 INFO L263 TraceCheckUtils]: 64: Hoare triple {7175#false} call #t~ret1 := fibo2(~n - 2); {7174#true} is VALID [2020-07-18 04:55:33,704 INFO L280 TraceCheckUtils]: 65: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,705 INFO L280 TraceCheckUtils]: 66: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-18 04:55:33,705 INFO L280 TraceCheckUtils]: 67: Hoare triple {7174#true} assume !(1 == ~n); {7174#true} is VALID [2020-07-18 04:55:33,705 INFO L263 TraceCheckUtils]: 68: Hoare triple {7174#true} call #t~ret2 := fibo1(~n - 1); {7174#true} is VALID [2020-07-18 04:55:33,705 INFO L280 TraceCheckUtils]: 69: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,705 INFO L280 TraceCheckUtils]: 70: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-18 04:55:33,705 INFO L280 TraceCheckUtils]: 71: Hoare triple {7174#true} assume !(1 == ~n); {7174#true} is VALID [2020-07-18 04:55:33,706 INFO L263 TraceCheckUtils]: 72: Hoare triple {7174#true} call #t~ret0 := fibo2(~n - 1); {7174#true} is VALID [2020-07-18 04:55:33,706 INFO L280 TraceCheckUtils]: 73: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,706 INFO L280 TraceCheckUtils]: 74: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-18 04:55:33,706 INFO L280 TraceCheckUtils]: 75: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-18 04:55:33,706 INFO L280 TraceCheckUtils]: 76: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-18 04:55:33,707 INFO L280 TraceCheckUtils]: 77: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,707 INFO L275 TraceCheckUtils]: 78: Hoare quadruple {7174#true} {7174#true} #69#return; {7174#true} is VALID [2020-07-18 04:55:33,707 INFO L280 TraceCheckUtils]: 79: Hoare triple {7174#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7174#true} is VALID [2020-07-18 04:55:33,707 INFO L263 TraceCheckUtils]: 80: Hoare triple {7174#true} call #t~ret1 := fibo2(~n - 2); {7174#true} is VALID [2020-07-18 04:55:33,707 INFO L280 TraceCheckUtils]: 81: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,707 INFO L280 TraceCheckUtils]: 82: Hoare triple {7174#true} assume ~n < 1; {7174#true} is VALID [2020-07-18 04:55:33,708 INFO L280 TraceCheckUtils]: 83: Hoare triple {7174#true} #res := 0; {7174#true} is VALID [2020-07-18 04:55:33,708 INFO L280 TraceCheckUtils]: 84: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,708 INFO L275 TraceCheckUtils]: 85: Hoare quadruple {7174#true} {7174#true} #71#return; {7174#true} is VALID [2020-07-18 04:55:33,708 INFO L280 TraceCheckUtils]: 86: Hoare triple {7174#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {7174#true} is VALID [2020-07-18 04:55:33,708 INFO L280 TraceCheckUtils]: 87: Hoare triple {7174#true} #res := #t~ret0 + #t~ret1; {7174#true} is VALID [2020-07-18 04:55:33,708 INFO L280 TraceCheckUtils]: 88: Hoare triple {7174#true} havoc #t~ret1; {7174#true} is VALID [2020-07-18 04:55:33,709 INFO L280 TraceCheckUtils]: 89: Hoare triple {7174#true} havoc #t~ret0; {7174#true} is VALID [2020-07-18 04:55:33,709 INFO L280 TraceCheckUtils]: 90: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,709 INFO L275 TraceCheckUtils]: 91: Hoare quadruple {7174#true} {7174#true} #65#return; {7174#true} is VALID [2020-07-18 04:55:33,709 INFO L280 TraceCheckUtils]: 92: Hoare triple {7174#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7174#true} is VALID [2020-07-18 04:55:33,709 INFO L263 TraceCheckUtils]: 93: Hoare triple {7174#true} call #t~ret3 := fibo1(~n - 2); {7174#true} is VALID [2020-07-18 04:55:33,710 INFO L280 TraceCheckUtils]: 94: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,710 INFO L280 TraceCheckUtils]: 95: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-18 04:55:33,710 INFO L280 TraceCheckUtils]: 96: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-18 04:55:33,710 INFO L280 TraceCheckUtils]: 97: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-18 04:55:33,710 INFO L280 TraceCheckUtils]: 98: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,711 INFO L275 TraceCheckUtils]: 99: Hoare quadruple {7174#true} {7174#true} #67#return; {7174#true} is VALID [2020-07-18 04:55:33,711 INFO L280 TraceCheckUtils]: 100: Hoare triple {7174#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7174#true} is VALID [2020-07-18 04:55:33,711 INFO L280 TraceCheckUtils]: 101: Hoare triple {7174#true} #res := #t~ret2 + #t~ret3; {7174#true} is VALID [2020-07-18 04:55:33,711 INFO L280 TraceCheckUtils]: 102: Hoare triple {7174#true} havoc #t~ret3; {7174#true} is VALID [2020-07-18 04:55:33,711 INFO L280 TraceCheckUtils]: 103: Hoare triple {7174#true} havoc #t~ret2; {7174#true} is VALID [2020-07-18 04:55:33,711 INFO L280 TraceCheckUtils]: 104: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,712 INFO L275 TraceCheckUtils]: 105: Hoare quadruple {7174#true} {7175#false} #71#return; {7175#false} is VALID [2020-07-18 04:55:33,712 INFO L280 TraceCheckUtils]: 106: Hoare triple {7175#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {7175#false} is VALID [2020-07-18 04:55:33,712 INFO L280 TraceCheckUtils]: 107: Hoare triple {7175#false} #res := #t~ret0 + #t~ret1; {7175#false} is VALID [2020-07-18 04:55:33,712 INFO L280 TraceCheckUtils]: 108: Hoare triple {7175#false} havoc #t~ret1; {7175#false} is VALID [2020-07-18 04:55:33,712 INFO L280 TraceCheckUtils]: 109: Hoare triple {7175#false} havoc #t~ret0; {7175#false} is VALID [2020-07-18 04:55:33,713 INFO L280 TraceCheckUtils]: 110: Hoare triple {7175#false} assume true; {7175#false} is VALID [2020-07-18 04:55:33,713 INFO L275 TraceCheckUtils]: 111: Hoare quadruple {7175#false} {7178#(<= 6 main_~x~0)} #63#return; {7175#false} is VALID [2020-07-18 04:55:33,725 INFO L263 TraceCheckUtils]: 0: Hoare triple {7174#true} call ULTIMATE.init(); {7174#true} is VALID [2020-07-18 04:55:33,726 INFO L280 TraceCheckUtils]: 1: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,726 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {7174#true} {7174#true} #59#return; {7174#true} is VALID [2020-07-18 04:55:33,726 INFO L263 TraceCheckUtils]: 3: Hoare triple {7174#true} call #t~ret5 := main(); {7174#true} is VALID [2020-07-18 04:55:33,729 INFO L280 TraceCheckUtils]: 4: Hoare triple {7174#true} ~x~0 := 6; {7178#(<= 6 main_~x~0)} is VALID [2020-07-18 04:55:33,730 INFO L263 TraceCheckUtils]: 5: Hoare triple {7178#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {7174#true} is VALID [2020-07-18 04:55:33,730 INFO L280 TraceCheckUtils]: 6: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,730 INFO L280 TraceCheckUtils]: 7: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-18 04:55:33,730 INFO L280 TraceCheckUtils]: 8: Hoare triple {7174#true} assume !(1 == ~n); {7174#true} is VALID [2020-07-18 04:55:33,730 INFO L263 TraceCheckUtils]: 9: Hoare triple {7174#true} call #t~ret0 := fibo2(~n - 1); {7174#true} is VALID [2020-07-18 04:55:33,731 INFO L280 TraceCheckUtils]: 10: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,731 INFO L280 TraceCheckUtils]: 11: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-18 04:55:33,731 INFO L280 TraceCheckUtils]: 12: Hoare triple {7174#true} assume !(1 == ~n); {7174#true} is VALID [2020-07-18 04:55:33,731 INFO L263 TraceCheckUtils]: 13: Hoare triple {7174#true} call #t~ret2 := fibo1(~n - 1); {7174#true} is VALID [2020-07-18 04:55:33,732 INFO L280 TraceCheckUtils]: 14: Hoare triple {7174#true} ~n := #in~n; {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,732 INFO L280 TraceCheckUtils]: 15: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,733 INFO L280 TraceCheckUtils]: 16: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,733 INFO L263 TraceCheckUtils]: 17: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {7174#true} is VALID [2020-07-18 04:55:33,734 INFO L280 TraceCheckUtils]: 18: Hoare triple {7174#true} ~n := #in~n; {7470#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:33,734 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 [2020-07-18 04:55:33,735 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 [2020-07-18 04:55:33,735 INFO L263 TraceCheckUtils]: 21: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {7174#true} is VALID [2020-07-18 04:55:33,736 INFO L280 TraceCheckUtils]: 22: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,736 INFO L280 TraceCheckUtils]: 23: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-18 04:55:33,736 INFO L280 TraceCheckUtils]: 24: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-18 04:55:33,736 INFO L280 TraceCheckUtils]: 25: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-18 04:55:33,736 INFO L280 TraceCheckUtils]: 26: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,737 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {7174#true} {7472#(<= 2 |fibo2_#in~n|)} #65#return; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:33,738 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 [2020-07-18 04:55:33,738 INFO L263 TraceCheckUtils]: 29: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {7174#true} is VALID [2020-07-18 04:55:33,738 INFO L280 TraceCheckUtils]: 30: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,738 INFO L280 TraceCheckUtils]: 31: Hoare triple {7174#true} assume ~n < 1; {7174#true} is VALID [2020-07-18 04:55:33,738 INFO L280 TraceCheckUtils]: 32: Hoare triple {7174#true} #res := 0; {7174#true} is VALID [2020-07-18 04:55:33,738 INFO L280 TraceCheckUtils]: 33: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,739 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {7174#true} {7472#(<= 2 |fibo2_#in~n|)} #67#return; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:33,740 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 [2020-07-18 04:55:33,740 INFO L280 TraceCheckUtils]: 36: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:33,741 INFO L280 TraceCheckUtils]: 37: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:33,741 INFO L280 TraceCheckUtils]: 38: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:33,742 INFO L280 TraceCheckUtils]: 39: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} assume true; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:55:33,743 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 [2020-07-18 04:55:33,743 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 [2020-07-18 04:55:33,743 INFO L263 TraceCheckUtils]: 42: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {7174#true} is VALID [2020-07-18 04:55:33,743 INFO L280 TraceCheckUtils]: 43: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,744 INFO L280 TraceCheckUtils]: 44: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-18 04:55:33,744 INFO L280 TraceCheckUtils]: 45: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-18 04:55:33,744 INFO L280 TraceCheckUtils]: 46: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-18 04:55:33,744 INFO L280 TraceCheckUtils]: 47: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,745 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {7174#true} {7463#(<= 3 |fibo1_#in~n|)} #71#return; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,745 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 [2020-07-18 04:55:33,746 INFO L280 TraceCheckUtils]: 50: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,746 INFO L280 TraceCheckUtils]: 51: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} havoc #t~ret1; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,747 INFO L280 TraceCheckUtils]: 52: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} havoc #t~ret0; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,747 INFO L280 TraceCheckUtils]: 53: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} assume true; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,767 INFO L275 TraceCheckUtils]: 54: Hoare quadruple {7463#(<= 3 |fibo1_#in~n|)} {7174#true} #65#return; {7432#(<= 4 fibo2_~n)} is VALID [2020-07-18 04:55:33,768 INFO L280 TraceCheckUtils]: 55: Hoare triple {7432#(<= 4 fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7432#(<= 4 fibo2_~n)} is VALID [2020-07-18 04:55:33,768 INFO L263 TraceCheckUtils]: 56: Hoare triple {7432#(<= 4 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {7174#true} is VALID [2020-07-18 04:55:33,769 INFO L280 TraceCheckUtils]: 57: Hoare triple {7174#true} ~n := #in~n; {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,769 INFO L280 TraceCheckUtils]: 58: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:33,770 INFO L280 TraceCheckUtils]: 59: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {7484#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:33,770 INFO L280 TraceCheckUtils]: 60: Hoare triple {7484#(<= |fibo1_#in~n| 1)} #res := 1; {7484#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:33,771 INFO L280 TraceCheckUtils]: 61: Hoare triple {7484#(<= |fibo1_#in~n| 1)} assume true; {7484#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:33,772 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {7484#(<= |fibo1_#in~n| 1)} {7432#(<= 4 fibo2_~n)} #67#return; {7175#false} is VALID [2020-07-18 04:55:33,772 INFO L280 TraceCheckUtils]: 63: Hoare triple {7175#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7175#false} is VALID [2020-07-18 04:55:33,772 INFO L280 TraceCheckUtils]: 64: Hoare triple {7175#false} #res := #t~ret2 + #t~ret3; {7175#false} is VALID [2020-07-18 04:55:33,772 INFO L280 TraceCheckUtils]: 65: Hoare triple {7175#false} havoc #t~ret3; {7175#false} is VALID [2020-07-18 04:55:33,772 INFO L280 TraceCheckUtils]: 66: Hoare triple {7175#false} havoc #t~ret2; {7175#false} is VALID [2020-07-18 04:55:33,772 INFO L280 TraceCheckUtils]: 67: Hoare triple {7175#false} assume true; {7175#false} is VALID [2020-07-18 04:55:33,773 INFO L275 TraceCheckUtils]: 68: Hoare quadruple {7175#false} {7174#true} #69#return; {7175#false} is VALID [2020-07-18 04:55:33,773 INFO L280 TraceCheckUtils]: 69: Hoare triple {7175#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7175#false} is VALID [2020-07-18 04:55:33,773 INFO L263 TraceCheckUtils]: 70: Hoare triple {7175#false} call #t~ret1 := fibo2(~n - 2); {7174#true} is VALID [2020-07-18 04:55:33,773 INFO L280 TraceCheckUtils]: 71: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,773 INFO L280 TraceCheckUtils]: 72: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-18 04:55:33,773 INFO L280 TraceCheckUtils]: 73: Hoare triple {7174#true} assume !(1 == ~n); {7174#true} is VALID [2020-07-18 04:55:33,773 INFO L263 TraceCheckUtils]: 74: Hoare triple {7174#true} call #t~ret2 := fibo1(~n - 1); {7174#true} is VALID [2020-07-18 04:55:33,773 INFO L280 TraceCheckUtils]: 75: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,774 INFO L280 TraceCheckUtils]: 76: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-18 04:55:33,774 INFO L280 TraceCheckUtils]: 77: Hoare triple {7174#true} assume !(1 == ~n); {7174#true} is VALID [2020-07-18 04:55:33,774 INFO L263 TraceCheckUtils]: 78: Hoare triple {7174#true} call #t~ret0 := fibo2(~n - 1); {7174#true} is VALID [2020-07-18 04:55:33,774 INFO L280 TraceCheckUtils]: 79: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,774 INFO L280 TraceCheckUtils]: 80: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-18 04:55:33,774 INFO L280 TraceCheckUtils]: 81: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-18 04:55:33,774 INFO L280 TraceCheckUtils]: 82: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-18 04:55:33,774 INFO L280 TraceCheckUtils]: 83: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,774 INFO L275 TraceCheckUtils]: 84: Hoare quadruple {7174#true} {7174#true} #69#return; {7174#true} is VALID [2020-07-18 04:55:33,775 INFO L280 TraceCheckUtils]: 85: Hoare triple {7174#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7174#true} is VALID [2020-07-18 04:55:33,775 INFO L263 TraceCheckUtils]: 86: Hoare triple {7174#true} call #t~ret1 := fibo2(~n - 2); {7174#true} is VALID [2020-07-18 04:55:33,775 INFO L280 TraceCheckUtils]: 87: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,775 INFO L280 TraceCheckUtils]: 88: Hoare triple {7174#true} assume ~n < 1; {7174#true} is VALID [2020-07-18 04:55:33,775 INFO L280 TraceCheckUtils]: 89: Hoare triple {7174#true} #res := 0; {7174#true} is VALID [2020-07-18 04:55:33,775 INFO L280 TraceCheckUtils]: 90: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,775 INFO L275 TraceCheckUtils]: 91: Hoare quadruple {7174#true} {7174#true} #71#return; {7174#true} is VALID [2020-07-18 04:55:33,776 INFO L280 TraceCheckUtils]: 92: Hoare triple {7174#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {7174#true} is VALID [2020-07-18 04:55:33,776 INFO L280 TraceCheckUtils]: 93: Hoare triple {7174#true} #res := #t~ret0 + #t~ret1; {7174#true} is VALID [2020-07-18 04:55:33,776 INFO L280 TraceCheckUtils]: 94: Hoare triple {7174#true} havoc #t~ret1; {7174#true} is VALID [2020-07-18 04:55:33,776 INFO L280 TraceCheckUtils]: 95: Hoare triple {7174#true} havoc #t~ret0; {7174#true} is VALID [2020-07-18 04:55:33,776 INFO L280 TraceCheckUtils]: 96: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,777 INFO L275 TraceCheckUtils]: 97: Hoare quadruple {7174#true} {7174#true} #65#return; {7174#true} is VALID [2020-07-18 04:55:33,777 INFO L280 TraceCheckUtils]: 98: Hoare triple {7174#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7174#true} is VALID [2020-07-18 04:55:33,777 INFO L263 TraceCheckUtils]: 99: Hoare triple {7174#true} call #t~ret3 := fibo1(~n - 2); {7174#true} is VALID [2020-07-18 04:55:33,777 INFO L280 TraceCheckUtils]: 100: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-18 04:55:33,777 INFO L280 TraceCheckUtils]: 101: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-18 04:55:33,777 INFO L280 TraceCheckUtils]: 102: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-18 04:55:33,778 INFO L280 TraceCheckUtils]: 103: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-18 04:55:33,778 INFO L280 TraceCheckUtils]: 104: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,778 INFO L275 TraceCheckUtils]: 105: Hoare quadruple {7174#true} {7174#true} #67#return; {7174#true} is VALID [2020-07-18 04:55:33,778 INFO L280 TraceCheckUtils]: 106: Hoare triple {7174#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7174#true} is VALID [2020-07-18 04:55:33,778 INFO L280 TraceCheckUtils]: 107: Hoare triple {7174#true} #res := #t~ret2 + #t~ret3; {7174#true} is VALID [2020-07-18 04:55:33,778 INFO L280 TraceCheckUtils]: 108: Hoare triple {7174#true} havoc #t~ret3; {7174#true} is VALID [2020-07-18 04:55:33,779 INFO L280 TraceCheckUtils]: 109: Hoare triple {7174#true} havoc #t~ret2; {7174#true} is VALID [2020-07-18 04:55:33,779 INFO L280 TraceCheckUtils]: 110: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-18 04:55:33,779 INFO L275 TraceCheckUtils]: 111: Hoare quadruple {7174#true} {7175#false} #71#return; {7175#false} is VALID [2020-07-18 04:55:33,779 INFO L280 TraceCheckUtils]: 112: Hoare triple {7175#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {7175#false} is VALID [2020-07-18 04:55:33,779 INFO L280 TraceCheckUtils]: 113: Hoare triple {7175#false} #res := #t~ret0 + #t~ret1; {7175#false} is VALID [2020-07-18 04:55:33,779 INFO L280 TraceCheckUtils]: 114: Hoare triple {7175#false} havoc #t~ret1; {7175#false} is VALID [2020-07-18 04:55:33,780 INFO L280 TraceCheckUtils]: 115: Hoare triple {7175#false} havoc #t~ret0; {7175#false} is VALID [2020-07-18 04:55:33,780 INFO L280 TraceCheckUtils]: 116: Hoare triple {7175#false} assume true; {7175#false} is VALID [2020-07-18 04:55:33,780 INFO L275 TraceCheckUtils]: 117: Hoare quadruple {7175#false} {7178#(<= 6 main_~x~0)} #63#return; {7175#false} is VALID [2020-07-18 04:55:33,780 INFO L280 TraceCheckUtils]: 118: Hoare triple {7175#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {7175#false} is VALID [2020-07-18 04:55:33,780 INFO L280 TraceCheckUtils]: 119: Hoare triple {7175#false} ~result~0 := #t~ret4; {7175#false} is VALID [2020-07-18 04:55:33,780 INFO L280 TraceCheckUtils]: 120: Hoare triple {7175#false} havoc #t~ret4; {7175#false} is VALID [2020-07-18 04:55:33,781 INFO L280 TraceCheckUtils]: 121: Hoare triple {7175#false} assume 8 == ~result~0; {7175#false} is VALID [2020-07-18 04:55:33,781 INFO L280 TraceCheckUtils]: 122: Hoare triple {7175#false} assume !false; {7175#false} is VALID [2020-07-18 04:55:33,790 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 50 proven. 67 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-07-18 04:55:33,791 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [711400940] [2020-07-18 04:55:33,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-18 04:55:33,791 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-07-18 04:55:33,791 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723690121] [2020-07-18 04:55:33,792 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 123 [2020-07-18 04:55:33,797 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 04:55:33,797 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2020-07-18 04:55:33,897 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 93 edges. 93 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:55:33,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-18 04:55:33,898 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 04:55:33,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-18 04:55:33,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-07-18 04:55:33,898 INFO L87 Difference]: Start difference. First operand 95 states and 117 transitions. Second operand 10 states. [2020-07-18 04:55:34,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:55:34,879 INFO L93 Difference]: Finished difference Result 193 states and 255 transitions. [2020-07-18 04:55:34,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-18 04:55:34,880 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 123 [2020-07-18 04:55:34,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 04:55:34,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-18 04:55:34,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 130 transitions. [2020-07-18 04:55:34,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-18 04:55:34,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 130 transitions. [2020-07-18 04:55:34,885 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 130 transitions. [2020-07-18 04:55:35,036 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 130 edges. 130 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:55:35,039 INFO L225 Difference]: With dead ends: 193 [2020-07-18 04:55:35,039 INFO L226 Difference]: Without dead ends: 105 [2020-07-18 04:55:35,040 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 [2020-07-18 04:55:35,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-07-18 04:55:35,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2020-07-18 04:55:35,295 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 04:55:35,295 INFO L82 GeneralOperation]: Start isEquivalent. First operand 105 states. Second operand 105 states. [2020-07-18 04:55:35,295 INFO L74 IsIncluded]: Start isIncluded. First operand 105 states. Second operand 105 states. [2020-07-18 04:55:35,296 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 105 states. [2020-07-18 04:55:35,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:55:35,299 INFO L93 Difference]: Finished difference Result 105 states and 127 transitions. [2020-07-18 04:55:35,299 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 127 transitions. [2020-07-18 04:55:35,300 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:55:35,300 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:55:35,300 INFO L74 IsIncluded]: Start isIncluded. First operand 105 states. Second operand 105 states. [2020-07-18 04:55:35,300 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 105 states. [2020-07-18 04:55:35,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:55:35,303 INFO L93 Difference]: Finished difference Result 105 states and 127 transitions. [2020-07-18 04:55:35,304 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 127 transitions. [2020-07-18 04:55:35,304 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:55:35,304 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:55:35,305 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 04:55:35,305 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 04:55:35,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-07-18 04:55:35,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 127 transitions. [2020-07-18 04:55:35,308 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 127 transitions. Word has length 123 [2020-07-18 04:55:35,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 04:55:35,309 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 127 transitions. [2020-07-18 04:55:35,309 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-18 04:55:35,309 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 105 states and 127 transitions. [2020-07-18 04:55:35,484 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 127 edges. 127 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:55:35,484 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 127 transitions. [2020-07-18 04:55:35,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-07-18 04:55:35,486 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:55:35,486 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] [2020-07-18 04:55:35,487 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-18 04:55:35,487 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:55:35,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:55:35,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1260071360, now seen corresponding path program 2 times [2020-07-18 04:55:35,487 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:55:35,488 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1658952436] [2020-07-18 04:55:35,488 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:55:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:35,560 INFO L280 TraceCheckUtils]: 0: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:35,561 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {8341#true} {8341#true} #59#return; {8341#true} is VALID [2020-07-18 04:55:35,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:35,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:35,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:35,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:35,748 INFO L280 TraceCheckUtils]: 0: Hoare triple {8341#true} ~n := #in~n; {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:35,748 INFO L280 TraceCheckUtils]: 1: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:35,749 INFO L280 TraceCheckUtils]: 2: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {8702#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:35,749 INFO L280 TraceCheckUtils]: 3: Hoare triple {8702#(<= |fibo1_#in~n| 1)} #res := 1; {8702#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:35,750 INFO L280 TraceCheckUtils]: 4: Hoare triple {8702#(<= |fibo1_#in~n| 1)} assume true; {8702#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:35,751 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 [2020-07-18 04:55:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:35,754 INFO L280 TraceCheckUtils]: 0: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:35,755 INFO L280 TraceCheckUtils]: 1: Hoare triple {8341#true} assume ~n < 1; {8341#true} is VALID [2020-07-18 04:55:35,755 INFO L280 TraceCheckUtils]: 2: Hoare triple {8341#true} #res := 0; {8341#true} is VALID [2020-07-18 04:55:35,755 INFO L280 TraceCheckUtils]: 3: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:35,756 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {8341#true} {8696#(<= |fibo2_#in~n| 2)} #67#return; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:35,756 INFO L280 TraceCheckUtils]: 0: Hoare triple {8341#true} ~n := #in~n; {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:35,757 INFO L280 TraceCheckUtils]: 1: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:35,757 INFO L280 TraceCheckUtils]: 2: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:35,758 INFO L263 TraceCheckUtils]: 3: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8341#true} is VALID [2020-07-18 04:55:35,758 INFO L280 TraceCheckUtils]: 4: Hoare triple {8341#true} ~n := #in~n; {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:35,759 INFO L280 TraceCheckUtils]: 5: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:35,759 INFO L280 TraceCheckUtils]: 6: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {8702#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:35,760 INFO L280 TraceCheckUtils]: 7: Hoare triple {8702#(<= |fibo1_#in~n| 1)} #res := 1; {8702#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:35,760 INFO L280 TraceCheckUtils]: 8: Hoare triple {8702#(<= |fibo1_#in~n| 1)} assume true; {8702#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:35,763 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 [2020-07-18 04:55:35,764 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 [2020-07-18 04:55:35,764 INFO L263 TraceCheckUtils]: 11: Hoare triple {8696#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {8341#true} is VALID [2020-07-18 04:55:35,764 INFO L280 TraceCheckUtils]: 12: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:35,764 INFO L280 TraceCheckUtils]: 13: Hoare triple {8341#true} assume ~n < 1; {8341#true} is VALID [2020-07-18 04:55:35,765 INFO L280 TraceCheckUtils]: 14: Hoare triple {8341#true} #res := 0; {8341#true} is VALID [2020-07-18 04:55:35,765 INFO L280 TraceCheckUtils]: 15: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:35,766 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {8341#true} {8696#(<= |fibo2_#in~n| 2)} #67#return; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:35,766 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 [2020-07-18 04:55:35,767 INFO L280 TraceCheckUtils]: 18: Hoare triple {8696#(<= |fibo2_#in~n| 2)} #res := #t~ret2 + #t~ret3; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:35,767 INFO L280 TraceCheckUtils]: 19: Hoare triple {8696#(<= |fibo2_#in~n| 2)} havoc #t~ret3; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:35,768 INFO L280 TraceCheckUtils]: 20: Hoare triple {8696#(<= |fibo2_#in~n| 2)} havoc #t~ret2; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:35,768 INFO L280 TraceCheckUtils]: 21: Hoare triple {8696#(<= |fibo2_#in~n| 2)} assume true; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:35,769 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 [2020-07-18 04:55:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:35,774 INFO L280 TraceCheckUtils]: 0: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:35,774 INFO L280 TraceCheckUtils]: 1: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-18 04:55:35,774 INFO L280 TraceCheckUtils]: 2: Hoare triple {8341#true} assume 1 == ~n; {8341#true} is VALID [2020-07-18 04:55:35,774 INFO L280 TraceCheckUtils]: 3: Hoare triple {8341#true} #res := 1; {8341#true} is VALID [2020-07-18 04:55:35,774 INFO L280 TraceCheckUtils]: 4: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:35,776 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {8341#true} {8683#(<= |fibo1_#in~n| 3)} #71#return; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:55:35,777 INFO L280 TraceCheckUtils]: 0: Hoare triple {8341#true} ~n := #in~n; {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:35,777 INFO L280 TraceCheckUtils]: 1: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:35,778 INFO L280 TraceCheckUtils]: 2: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:35,778 INFO L263 TraceCheckUtils]: 3: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {8341#true} is VALID [2020-07-18 04:55:35,778 INFO L280 TraceCheckUtils]: 4: Hoare triple {8341#true} ~n := #in~n; {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:35,779 INFO L280 TraceCheckUtils]: 5: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:35,779 INFO L280 TraceCheckUtils]: 6: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:35,780 INFO L263 TraceCheckUtils]: 7: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8341#true} is VALID [2020-07-18 04:55:35,780 INFO L280 TraceCheckUtils]: 8: Hoare triple {8341#true} ~n := #in~n; {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:35,780 INFO L280 TraceCheckUtils]: 9: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:35,781 INFO L280 TraceCheckUtils]: 10: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {8702#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:35,782 INFO L280 TraceCheckUtils]: 11: Hoare triple {8702#(<= |fibo1_#in~n| 1)} #res := 1; {8702#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:35,782 INFO L280 TraceCheckUtils]: 12: Hoare triple {8702#(<= |fibo1_#in~n| 1)} assume true; {8702#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:35,783 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 [2020-07-18 04:55:35,784 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 [2020-07-18 04:55:35,784 INFO L263 TraceCheckUtils]: 15: Hoare triple {8696#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {8341#true} is VALID [2020-07-18 04:55:35,784 INFO L280 TraceCheckUtils]: 16: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:35,784 INFO L280 TraceCheckUtils]: 17: Hoare triple {8341#true} assume ~n < 1; {8341#true} is VALID [2020-07-18 04:55:35,784 INFO L280 TraceCheckUtils]: 18: Hoare triple {8341#true} #res := 0; {8341#true} is VALID [2020-07-18 04:55:35,785 INFO L280 TraceCheckUtils]: 19: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:35,785 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {8341#true} {8696#(<= |fibo2_#in~n| 2)} #67#return; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:35,786 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 [2020-07-18 04:55:35,786 INFO L280 TraceCheckUtils]: 22: Hoare triple {8696#(<= |fibo2_#in~n| 2)} #res := #t~ret2 + #t~ret3; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:35,787 INFO L280 TraceCheckUtils]: 23: Hoare triple {8696#(<= |fibo2_#in~n| 2)} havoc #t~ret3; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:35,787 INFO L280 TraceCheckUtils]: 24: Hoare triple {8696#(<= |fibo2_#in~n| 2)} havoc #t~ret2; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:35,788 INFO L280 TraceCheckUtils]: 25: Hoare triple {8696#(<= |fibo2_#in~n| 2)} assume true; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:35,789 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 [2020-07-18 04:55:35,789 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 [2020-07-18 04:55:35,790 INFO L263 TraceCheckUtils]: 28: Hoare triple {8683#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {8341#true} is VALID [2020-07-18 04:55:35,790 INFO L280 TraceCheckUtils]: 29: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:35,790 INFO L280 TraceCheckUtils]: 30: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-18 04:55:35,790 INFO L280 TraceCheckUtils]: 31: Hoare triple {8341#true} assume 1 == ~n; {8341#true} is VALID [2020-07-18 04:55:35,790 INFO L280 TraceCheckUtils]: 32: Hoare triple {8341#true} #res := 1; {8341#true} is VALID [2020-07-18 04:55:35,790 INFO L280 TraceCheckUtils]: 33: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:35,792 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {8341#true} {8683#(<= |fibo1_#in~n| 3)} #71#return; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:55:35,792 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 [2020-07-18 04:55:35,793 INFO L280 TraceCheckUtils]: 36: Hoare triple {8683#(<= |fibo1_#in~n| 3)} #res := #t~ret0 + #t~ret1; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:55:35,793 INFO L280 TraceCheckUtils]: 37: Hoare triple {8683#(<= |fibo1_#in~n| 3)} havoc #t~ret1; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:55:35,794 INFO L280 TraceCheckUtils]: 38: Hoare triple {8683#(<= |fibo1_#in~n| 3)} havoc #t~ret0; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:55:35,794 INFO L280 TraceCheckUtils]: 39: Hoare triple {8683#(<= |fibo1_#in~n| 3)} assume true; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:55:35,795 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 [2020-07-18 04:55:35,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:35,807 INFO L280 TraceCheckUtils]: 0: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:35,807 INFO L280 TraceCheckUtils]: 1: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-18 04:55:35,807 INFO L280 TraceCheckUtils]: 2: Hoare triple {8341#true} assume 1 == ~n; {8341#true} is VALID [2020-07-18 04:55:35,808 INFO L280 TraceCheckUtils]: 3: Hoare triple {8341#true} #res := 1; {8341#true} is VALID [2020-07-18 04:55:35,808 INFO L280 TraceCheckUtils]: 4: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:35,808 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {8341#true} {8341#true} #69#return; {8341#true} is VALID [2020-07-18 04:55:35,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:35,816 INFO L280 TraceCheckUtils]: 0: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:35,816 INFO L280 TraceCheckUtils]: 1: Hoare triple {8341#true} assume ~n < 1; {8341#true} is VALID [2020-07-18 04:55:35,817 INFO L280 TraceCheckUtils]: 2: Hoare triple {8341#true} #res := 0; {8341#true} is VALID [2020-07-18 04:55:35,817 INFO L280 TraceCheckUtils]: 3: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:35,817 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {8341#true} {8341#true} #71#return; {8341#true} is VALID [2020-07-18 04:55:35,818 INFO L280 TraceCheckUtils]: 0: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:35,818 INFO L280 TraceCheckUtils]: 1: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-18 04:55:35,819 INFO L280 TraceCheckUtils]: 2: Hoare triple {8341#true} assume !(1 == ~n); {8341#true} is VALID [2020-07-18 04:55:35,819 INFO L263 TraceCheckUtils]: 3: Hoare triple {8341#true} call #t~ret0 := fibo2(~n - 1); {8341#true} is VALID [2020-07-18 04:55:35,820 INFO L280 TraceCheckUtils]: 4: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:35,820 INFO L280 TraceCheckUtils]: 5: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-18 04:55:35,820 INFO L280 TraceCheckUtils]: 6: Hoare triple {8341#true} assume 1 == ~n; {8341#true} is VALID [2020-07-18 04:55:35,821 INFO L280 TraceCheckUtils]: 7: Hoare triple {8341#true} #res := 1; {8341#true} is VALID [2020-07-18 04:55:35,821 INFO L280 TraceCheckUtils]: 8: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:35,822 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {8341#true} {8341#true} #69#return; {8341#true} is VALID [2020-07-18 04:55:35,822 INFO L280 TraceCheckUtils]: 10: Hoare triple {8341#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8341#true} is VALID [2020-07-18 04:55:35,822 INFO L263 TraceCheckUtils]: 11: Hoare triple {8341#true} call #t~ret1 := fibo2(~n - 2); {8341#true} is VALID [2020-07-18 04:55:35,823 INFO L280 TraceCheckUtils]: 12: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:35,823 INFO L280 TraceCheckUtils]: 13: Hoare triple {8341#true} assume ~n < 1; {8341#true} is VALID [2020-07-18 04:55:35,823 INFO L280 TraceCheckUtils]: 14: Hoare triple {8341#true} #res := 0; {8341#true} is VALID [2020-07-18 04:55:35,824 INFO L280 TraceCheckUtils]: 15: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:35,824 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {8341#true} {8341#true} #71#return; {8341#true} is VALID [2020-07-18 04:55:35,824 INFO L280 TraceCheckUtils]: 17: Hoare triple {8341#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {8341#true} is VALID [2020-07-18 04:55:35,825 INFO L280 TraceCheckUtils]: 18: Hoare triple {8341#true} #res := #t~ret0 + #t~ret1; {8341#true} is VALID [2020-07-18 04:55:35,825 INFO L280 TraceCheckUtils]: 19: Hoare triple {8341#true} havoc #t~ret1; {8341#true} is VALID [2020-07-18 04:55:35,825 INFO L280 TraceCheckUtils]: 20: Hoare triple {8341#true} havoc #t~ret0; {8341#true} is VALID [2020-07-18 04:55:35,826 INFO L280 TraceCheckUtils]: 21: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:35,827 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {8341#true} {8636#(<= |fibo2_#in~n| 4)} #67#return; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-18 04:55:35,828 INFO L280 TraceCheckUtils]: 0: Hoare triple {8341#true} ~n := #in~n; {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:35,829 INFO L280 TraceCheckUtils]: 1: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:35,830 INFO L280 TraceCheckUtils]: 2: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:35,830 INFO L263 TraceCheckUtils]: 3: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8341#true} is VALID [2020-07-18 04:55:35,831 INFO L280 TraceCheckUtils]: 4: Hoare triple {8341#true} ~n := #in~n; {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:35,832 INFO L280 TraceCheckUtils]: 5: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:35,833 INFO L280 TraceCheckUtils]: 6: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:35,834 INFO L263 TraceCheckUtils]: 7: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {8341#true} is VALID [2020-07-18 04:55:35,834 INFO L280 TraceCheckUtils]: 8: Hoare triple {8341#true} ~n := #in~n; {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:35,835 INFO L280 TraceCheckUtils]: 9: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:35,836 INFO L280 TraceCheckUtils]: 10: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:35,836 INFO L263 TraceCheckUtils]: 11: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8341#true} is VALID [2020-07-18 04:55:35,837 INFO L280 TraceCheckUtils]: 12: Hoare triple {8341#true} ~n := #in~n; {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:35,838 INFO L280 TraceCheckUtils]: 13: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:35,841 INFO L280 TraceCheckUtils]: 14: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {8702#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:35,841 INFO L280 TraceCheckUtils]: 15: Hoare triple {8702#(<= |fibo1_#in~n| 1)} #res := 1; {8702#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:35,842 INFO L280 TraceCheckUtils]: 16: Hoare triple {8702#(<= |fibo1_#in~n| 1)} assume true; {8702#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:35,844 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 [2020-07-18 04:55:35,844 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 [2020-07-18 04:55:35,845 INFO L263 TraceCheckUtils]: 19: Hoare triple {8696#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {8341#true} is VALID [2020-07-18 04:55:35,845 INFO L280 TraceCheckUtils]: 20: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:35,845 INFO L280 TraceCheckUtils]: 21: Hoare triple {8341#true} assume ~n < 1; {8341#true} is VALID [2020-07-18 04:55:35,846 INFO L280 TraceCheckUtils]: 22: Hoare triple {8341#true} #res := 0; {8341#true} is VALID [2020-07-18 04:55:35,846 INFO L280 TraceCheckUtils]: 23: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:35,847 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {8341#true} {8696#(<= |fibo2_#in~n| 2)} #67#return; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:35,848 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 [2020-07-18 04:55:35,848 INFO L280 TraceCheckUtils]: 26: Hoare triple {8696#(<= |fibo2_#in~n| 2)} #res := #t~ret2 + #t~ret3; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:35,849 INFO L280 TraceCheckUtils]: 27: Hoare triple {8696#(<= |fibo2_#in~n| 2)} havoc #t~ret3; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:35,850 INFO L280 TraceCheckUtils]: 28: Hoare triple {8696#(<= |fibo2_#in~n| 2)} havoc #t~ret2; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:35,850 INFO L280 TraceCheckUtils]: 29: Hoare triple {8696#(<= |fibo2_#in~n| 2)} assume true; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:35,852 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 [2020-07-18 04:55:35,852 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 [2020-07-18 04:55:35,853 INFO L263 TraceCheckUtils]: 32: Hoare triple {8683#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {8341#true} is VALID [2020-07-18 04:55:35,853 INFO L280 TraceCheckUtils]: 33: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:35,853 INFO L280 TraceCheckUtils]: 34: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-18 04:55:35,854 INFO L280 TraceCheckUtils]: 35: Hoare triple {8341#true} assume 1 == ~n; {8341#true} is VALID [2020-07-18 04:55:35,854 INFO L280 TraceCheckUtils]: 36: Hoare triple {8341#true} #res := 1; {8341#true} is VALID [2020-07-18 04:55:35,854 INFO L280 TraceCheckUtils]: 37: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:35,855 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {8341#true} {8683#(<= |fibo1_#in~n| 3)} #71#return; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:55:35,856 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 [2020-07-18 04:55:35,857 INFO L280 TraceCheckUtils]: 40: Hoare triple {8683#(<= |fibo1_#in~n| 3)} #res := #t~ret0 + #t~ret1; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:55:35,857 INFO L280 TraceCheckUtils]: 41: Hoare triple {8683#(<= |fibo1_#in~n| 3)} havoc #t~ret1; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:55:35,858 INFO L280 TraceCheckUtils]: 42: Hoare triple {8683#(<= |fibo1_#in~n| 3)} havoc #t~ret0; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:55:35,859 INFO L280 TraceCheckUtils]: 43: Hoare triple {8683#(<= |fibo1_#in~n| 3)} assume true; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:55:35,860 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 [2020-07-18 04:55:35,861 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 [2020-07-18 04:55:35,862 INFO L263 TraceCheckUtils]: 46: Hoare triple {8636#(<= |fibo2_#in~n| 4)} call #t~ret3 := fibo1(~n - 2); {8341#true} is VALID [2020-07-18 04:55:35,862 INFO L280 TraceCheckUtils]: 47: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:35,862 INFO L280 TraceCheckUtils]: 48: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-18 04:55:35,862 INFO L280 TraceCheckUtils]: 49: Hoare triple {8341#true} assume !(1 == ~n); {8341#true} is VALID [2020-07-18 04:55:35,863 INFO L263 TraceCheckUtils]: 50: Hoare triple {8341#true} call #t~ret0 := fibo2(~n - 1); {8341#true} is VALID [2020-07-18 04:55:35,863 INFO L280 TraceCheckUtils]: 51: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:35,863 INFO L280 TraceCheckUtils]: 52: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-18 04:55:35,863 INFO L280 TraceCheckUtils]: 53: Hoare triple {8341#true} assume 1 == ~n; {8341#true} is VALID [2020-07-18 04:55:35,864 INFO L280 TraceCheckUtils]: 54: Hoare triple {8341#true} #res := 1; {8341#true} is VALID [2020-07-18 04:55:35,864 INFO L280 TraceCheckUtils]: 55: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:35,864 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {8341#true} {8341#true} #69#return; {8341#true} is VALID [2020-07-18 04:55:35,864 INFO L280 TraceCheckUtils]: 57: Hoare triple {8341#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8341#true} is VALID [2020-07-18 04:55:35,865 INFO L263 TraceCheckUtils]: 58: Hoare triple {8341#true} call #t~ret1 := fibo2(~n - 2); {8341#true} is VALID [2020-07-18 04:55:35,865 INFO L280 TraceCheckUtils]: 59: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:35,865 INFO L280 TraceCheckUtils]: 60: Hoare triple {8341#true} assume ~n < 1; {8341#true} is VALID [2020-07-18 04:55:35,866 INFO L280 TraceCheckUtils]: 61: Hoare triple {8341#true} #res := 0; {8341#true} is VALID [2020-07-18 04:55:35,866 INFO L280 TraceCheckUtils]: 62: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:35,866 INFO L275 TraceCheckUtils]: 63: Hoare quadruple {8341#true} {8341#true} #71#return; {8341#true} is VALID [2020-07-18 04:55:35,867 INFO L280 TraceCheckUtils]: 64: Hoare triple {8341#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {8341#true} is VALID [2020-07-18 04:55:35,867 INFO L280 TraceCheckUtils]: 65: Hoare triple {8341#true} #res := #t~ret0 + #t~ret1; {8341#true} is VALID [2020-07-18 04:55:35,867 INFO L280 TraceCheckUtils]: 66: Hoare triple {8341#true} havoc #t~ret1; {8341#true} is VALID [2020-07-18 04:55:35,867 INFO L280 TraceCheckUtils]: 67: Hoare triple {8341#true} havoc #t~ret0; {8341#true} is VALID [2020-07-18 04:55:35,868 INFO L280 TraceCheckUtils]: 68: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:35,870 INFO L275 TraceCheckUtils]: 69: Hoare quadruple {8341#true} {8636#(<= |fibo2_#in~n| 4)} #67#return; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-18 04:55:35,871 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 [2020-07-18 04:55:35,871 INFO L280 TraceCheckUtils]: 71: Hoare triple {8636#(<= |fibo2_#in~n| 4)} #res := #t~ret2 + #t~ret3; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-18 04:55:35,872 INFO L280 TraceCheckUtils]: 72: Hoare triple {8636#(<= |fibo2_#in~n| 4)} havoc #t~ret3; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-18 04:55:35,873 INFO L280 TraceCheckUtils]: 73: Hoare triple {8636#(<= |fibo2_#in~n| 4)} havoc #t~ret2; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-18 04:55:35,874 INFO L280 TraceCheckUtils]: 74: Hoare triple {8636#(<= |fibo2_#in~n| 4)} assume true; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-18 04:55:35,875 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 [2020-07-18 04:55:35,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:35,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:35,906 INFO L280 TraceCheckUtils]: 0: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:35,907 INFO L280 TraceCheckUtils]: 1: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-18 04:55:35,907 INFO L280 TraceCheckUtils]: 2: Hoare triple {8341#true} assume 1 == ~n; {8341#true} is VALID [2020-07-18 04:55:35,908 INFO L280 TraceCheckUtils]: 3: Hoare triple {8341#true} #res := 1; {8341#true} is VALID [2020-07-18 04:55:35,908 INFO L280 TraceCheckUtils]: 4: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:35,908 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {8341#true} {8341#true} #69#return; {8341#true} is VALID [2020-07-18 04:55:35,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:35,912 INFO L280 TraceCheckUtils]: 0: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:35,912 INFO L280 TraceCheckUtils]: 1: Hoare triple {8341#true} assume ~n < 1; {8341#true} is VALID [2020-07-18 04:55:35,912 INFO L280 TraceCheckUtils]: 2: Hoare triple {8341#true} #res := 0; {8341#true} is VALID [2020-07-18 04:55:35,913 INFO L280 TraceCheckUtils]: 3: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:35,913 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {8341#true} {8341#true} #71#return; {8341#true} is VALID [2020-07-18 04:55:35,914 INFO L280 TraceCheckUtils]: 0: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:35,914 INFO L280 TraceCheckUtils]: 1: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-18 04:55:35,914 INFO L280 TraceCheckUtils]: 2: Hoare triple {8341#true} assume !(1 == ~n); {8341#true} is VALID [2020-07-18 04:55:35,915 INFO L263 TraceCheckUtils]: 3: Hoare triple {8341#true} call #t~ret0 := fibo2(~n - 1); {8341#true} is VALID [2020-07-18 04:55:35,915 INFO L280 TraceCheckUtils]: 4: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:35,915 INFO L280 TraceCheckUtils]: 5: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-18 04:55:35,915 INFO L280 TraceCheckUtils]: 6: Hoare triple {8341#true} assume 1 == ~n; {8341#true} is VALID [2020-07-18 04:55:35,916 INFO L280 TraceCheckUtils]: 7: Hoare triple {8341#true} #res := 1; {8341#true} is VALID [2020-07-18 04:55:35,916 INFO L280 TraceCheckUtils]: 8: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:35,917 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {8341#true} {8341#true} #69#return; {8341#true} is VALID [2020-07-18 04:55:35,917 INFO L280 TraceCheckUtils]: 10: Hoare triple {8341#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8341#true} is VALID [2020-07-18 04:55:35,917 INFO L263 TraceCheckUtils]: 11: Hoare triple {8341#true} call #t~ret1 := fibo2(~n - 2); {8341#true} is VALID [2020-07-18 04:55:35,918 INFO L280 TraceCheckUtils]: 12: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:35,918 INFO L280 TraceCheckUtils]: 13: Hoare triple {8341#true} assume ~n < 1; {8341#true} is VALID [2020-07-18 04:55:35,918 INFO L280 TraceCheckUtils]: 14: Hoare triple {8341#true} #res := 0; {8341#true} is VALID [2020-07-18 04:55:35,918 INFO L280 TraceCheckUtils]: 15: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:35,919 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {8341#true} {8341#true} #71#return; {8341#true} is VALID [2020-07-18 04:55:35,919 INFO L280 TraceCheckUtils]: 17: Hoare triple {8341#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {8341#true} is VALID [2020-07-18 04:55:35,919 INFO L280 TraceCheckUtils]: 18: Hoare triple {8341#true} #res := #t~ret0 + #t~ret1; {8341#true} is VALID [2020-07-18 04:55:35,920 INFO L280 TraceCheckUtils]: 19: Hoare triple {8341#true} havoc #t~ret1; {8341#true} is VALID [2020-07-18 04:55:35,920 INFO L280 TraceCheckUtils]: 20: Hoare triple {8341#true} havoc #t~ret0; {8341#true} is VALID [2020-07-18 04:55:35,920 INFO L280 TraceCheckUtils]: 21: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:35,921 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {8341#true} {8341#true} #65#return; {8341#true} is VALID [2020-07-18 04:55:35,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:55:35,929 INFO L280 TraceCheckUtils]: 0: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:35,929 INFO L280 TraceCheckUtils]: 1: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-18 04:55:35,929 INFO L280 TraceCheckUtils]: 2: Hoare triple {8341#true} assume 1 == ~n; {8341#true} is VALID [2020-07-18 04:55:35,930 INFO L280 TraceCheckUtils]: 3: Hoare triple {8341#true} #res := 1; {8341#true} is VALID [2020-07-18 04:55:35,930 INFO L280 TraceCheckUtils]: 4: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:35,930 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {8341#true} {8341#true} #67#return; {8341#true} is VALID [2020-07-18 04:55:35,931 INFO L280 TraceCheckUtils]: 0: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:35,931 INFO L280 TraceCheckUtils]: 1: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-18 04:55:35,931 INFO L280 TraceCheckUtils]: 2: Hoare triple {8341#true} assume !(1 == ~n); {8341#true} is VALID [2020-07-18 04:55:35,932 INFO L263 TraceCheckUtils]: 3: Hoare triple {8341#true} call #t~ret2 := fibo1(~n - 1); {8341#true} is VALID [2020-07-18 04:55:35,932 INFO L280 TraceCheckUtils]: 4: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:35,932 INFO L280 TraceCheckUtils]: 5: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-18 04:55:35,933 INFO L280 TraceCheckUtils]: 6: Hoare triple {8341#true} assume !(1 == ~n); {8341#true} is VALID [2020-07-18 04:55:35,933 INFO L263 TraceCheckUtils]: 7: Hoare triple {8341#true} call #t~ret0 := fibo2(~n - 1); {8341#true} is VALID [2020-07-18 04:55:35,933 INFO L280 TraceCheckUtils]: 8: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:35,933 INFO L280 TraceCheckUtils]: 9: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-18 04:55:35,933 INFO L280 TraceCheckUtils]: 10: Hoare triple {8341#true} assume 1 == ~n; {8341#true} is VALID [2020-07-18 04:55:35,934 INFO L280 TraceCheckUtils]: 11: Hoare triple {8341#true} #res := 1; {8341#true} is VALID [2020-07-18 04:55:35,934 INFO L280 TraceCheckUtils]: 12: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:35,934 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {8341#true} {8341#true} #69#return; {8341#true} is VALID [2020-07-18 04:55:35,934 INFO L280 TraceCheckUtils]: 14: Hoare triple {8341#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8341#true} is VALID [2020-07-18 04:55:35,934 INFO L263 TraceCheckUtils]: 15: Hoare triple {8341#true} call #t~ret1 := fibo2(~n - 2); {8341#true} is VALID [2020-07-18 04:55:35,934 INFO L280 TraceCheckUtils]: 16: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:35,935 INFO L280 TraceCheckUtils]: 17: Hoare triple {8341#true} assume ~n < 1; {8341#true} is VALID [2020-07-18 04:55:35,935 INFO L280 TraceCheckUtils]: 18: Hoare triple {8341#true} #res := 0; {8341#true} is VALID [2020-07-18 04:55:35,935 INFO L280 TraceCheckUtils]: 19: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:35,935 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {8341#true} {8341#true} #71#return; {8341#true} is VALID [2020-07-18 04:55:35,935 INFO L280 TraceCheckUtils]: 21: Hoare triple {8341#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {8341#true} is VALID [2020-07-18 04:55:35,936 INFO L280 TraceCheckUtils]: 22: Hoare triple {8341#true} #res := #t~ret0 + #t~ret1; {8341#true} is VALID [2020-07-18 04:55:35,936 INFO L280 TraceCheckUtils]: 23: Hoare triple {8341#true} havoc #t~ret1; {8341#true} is VALID [2020-07-18 04:55:35,936 INFO L280 TraceCheckUtils]: 24: Hoare triple {8341#true} havoc #t~ret0; {8341#true} is VALID [2020-07-18 04:55:35,936 INFO L280 TraceCheckUtils]: 25: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:35,936 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {8341#true} {8341#true} #65#return; {8341#true} is VALID [2020-07-18 04:55:35,936 INFO L280 TraceCheckUtils]: 27: Hoare triple {8341#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8341#true} is VALID [2020-07-18 04:55:35,937 INFO L263 TraceCheckUtils]: 28: Hoare triple {8341#true} call #t~ret3 := fibo1(~n - 2); {8341#true} is VALID [2020-07-18 04:55:35,937 INFO L280 TraceCheckUtils]: 29: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:35,937 INFO L280 TraceCheckUtils]: 30: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-18 04:55:35,937 INFO L280 TraceCheckUtils]: 31: Hoare triple {8341#true} assume 1 == ~n; {8341#true} is VALID [2020-07-18 04:55:35,938 INFO L280 TraceCheckUtils]: 32: Hoare triple {8341#true} #res := 1; {8341#true} is VALID [2020-07-18 04:55:35,938 INFO L280 TraceCheckUtils]: 33: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:35,938 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {8341#true} {8341#true} #67#return; {8341#true} is VALID [2020-07-18 04:55:35,939 INFO L280 TraceCheckUtils]: 35: Hoare triple {8341#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {8341#true} is VALID [2020-07-18 04:55:35,939 INFO L280 TraceCheckUtils]: 36: Hoare triple {8341#true} #res := #t~ret2 + #t~ret3; {8341#true} is VALID [2020-07-18 04:55:35,939 INFO L280 TraceCheckUtils]: 37: Hoare triple {8341#true} havoc #t~ret3; {8341#true} is VALID [2020-07-18 04:55:35,940 INFO L280 TraceCheckUtils]: 38: Hoare triple {8341#true} havoc #t~ret2; {8341#true} is VALID [2020-07-18 04:55:35,940 INFO L280 TraceCheckUtils]: 39: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:35,941 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {8341#true} {8552#(<= |fibo1_#in~n| 5)} #71#return; {8552#(<= |fibo1_#in~n| 5)} is VALID [2020-07-18 04:55:35,944 INFO L280 TraceCheckUtils]: 0: Hoare triple {8341#true} ~n := #in~n; {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:35,945 INFO L280 TraceCheckUtils]: 1: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:35,945 INFO L280 TraceCheckUtils]: 2: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:35,946 INFO L263 TraceCheckUtils]: 3: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {8341#true} is VALID [2020-07-18 04:55:35,947 INFO L280 TraceCheckUtils]: 4: Hoare triple {8341#true} ~n := #in~n; {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:35,947 INFO L280 TraceCheckUtils]: 5: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:35,948 INFO L280 TraceCheckUtils]: 6: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:35,948 INFO L263 TraceCheckUtils]: 7: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8341#true} is VALID [2020-07-18 04:55:35,949 INFO L280 TraceCheckUtils]: 8: Hoare triple {8341#true} ~n := #in~n; {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:35,950 INFO L280 TraceCheckUtils]: 9: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:35,951 INFO L280 TraceCheckUtils]: 10: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:35,951 INFO L263 TraceCheckUtils]: 11: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {8341#true} is VALID [2020-07-18 04:55:35,952 INFO L280 TraceCheckUtils]: 12: Hoare triple {8341#true} ~n := #in~n; {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:35,953 INFO L280 TraceCheckUtils]: 13: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:35,953 INFO L280 TraceCheckUtils]: 14: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:35,954 INFO L263 TraceCheckUtils]: 15: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8341#true} is VALID [2020-07-18 04:55:35,955 INFO L280 TraceCheckUtils]: 16: Hoare triple {8341#true} ~n := #in~n; {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:35,955 INFO L280 TraceCheckUtils]: 17: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:35,956 INFO L280 TraceCheckUtils]: 18: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {8702#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:35,957 INFO L280 TraceCheckUtils]: 19: Hoare triple {8702#(<= |fibo1_#in~n| 1)} #res := 1; {8702#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:35,957 INFO L280 TraceCheckUtils]: 20: Hoare triple {8702#(<= |fibo1_#in~n| 1)} assume true; {8702#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:35,959 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 [2020-07-18 04:55:35,960 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 [2020-07-18 04:55:35,960 INFO L263 TraceCheckUtils]: 23: Hoare triple {8696#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {8341#true} is VALID [2020-07-18 04:55:35,960 INFO L280 TraceCheckUtils]: 24: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:35,961 INFO L280 TraceCheckUtils]: 25: Hoare triple {8341#true} assume ~n < 1; {8341#true} is VALID [2020-07-18 04:55:35,961 INFO L280 TraceCheckUtils]: 26: Hoare triple {8341#true} #res := 0; {8341#true} is VALID [2020-07-18 04:55:35,961 INFO L280 TraceCheckUtils]: 27: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:35,962 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {8341#true} {8696#(<= |fibo2_#in~n| 2)} #67#return; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:35,963 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 [2020-07-18 04:55:35,964 INFO L280 TraceCheckUtils]: 30: Hoare triple {8696#(<= |fibo2_#in~n| 2)} #res := #t~ret2 + #t~ret3; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:35,964 INFO L280 TraceCheckUtils]: 31: Hoare triple {8696#(<= |fibo2_#in~n| 2)} havoc #t~ret3; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:35,965 INFO L280 TraceCheckUtils]: 32: Hoare triple {8696#(<= |fibo2_#in~n| 2)} havoc #t~ret2; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:35,966 INFO L280 TraceCheckUtils]: 33: Hoare triple {8696#(<= |fibo2_#in~n| 2)} assume true; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:35,967 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 [2020-07-18 04:55:35,968 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 [2020-07-18 04:55:35,968 INFO L263 TraceCheckUtils]: 36: Hoare triple {8683#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {8341#true} is VALID [2020-07-18 04:55:35,968 INFO L280 TraceCheckUtils]: 37: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:35,969 INFO L280 TraceCheckUtils]: 38: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-18 04:55:35,969 INFO L280 TraceCheckUtils]: 39: Hoare triple {8341#true} assume 1 == ~n; {8341#true} is VALID [2020-07-18 04:55:35,969 INFO L280 TraceCheckUtils]: 40: Hoare triple {8341#true} #res := 1; {8341#true} is VALID [2020-07-18 04:55:35,970 INFO L280 TraceCheckUtils]: 41: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:35,971 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {8341#true} {8683#(<= |fibo1_#in~n| 3)} #71#return; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:55:35,972 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 [2020-07-18 04:55:35,972 INFO L280 TraceCheckUtils]: 44: Hoare triple {8683#(<= |fibo1_#in~n| 3)} #res := #t~ret0 + #t~ret1; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:55:35,973 INFO L280 TraceCheckUtils]: 45: Hoare triple {8683#(<= |fibo1_#in~n| 3)} havoc #t~ret1; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:55:35,974 INFO L280 TraceCheckUtils]: 46: Hoare triple {8683#(<= |fibo1_#in~n| 3)} havoc #t~ret0; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:55:35,974 INFO L280 TraceCheckUtils]: 47: Hoare triple {8683#(<= |fibo1_#in~n| 3)} assume true; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:55:35,976 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 [2020-07-18 04:55:35,976 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 [2020-07-18 04:55:35,977 INFO L263 TraceCheckUtils]: 50: Hoare triple {8636#(<= |fibo2_#in~n| 4)} call #t~ret3 := fibo1(~n - 2); {8341#true} is VALID [2020-07-18 04:55:35,977 INFO L280 TraceCheckUtils]: 51: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:35,977 INFO L280 TraceCheckUtils]: 52: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-18 04:55:35,977 INFO L280 TraceCheckUtils]: 53: Hoare triple {8341#true} assume !(1 == ~n); {8341#true} is VALID [2020-07-18 04:55:35,978 INFO L263 TraceCheckUtils]: 54: Hoare triple {8341#true} call #t~ret0 := fibo2(~n - 1); {8341#true} is VALID [2020-07-18 04:55:35,978 INFO L280 TraceCheckUtils]: 55: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:35,978 INFO L280 TraceCheckUtils]: 56: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-18 04:55:35,978 INFO L280 TraceCheckUtils]: 57: Hoare triple {8341#true} assume 1 == ~n; {8341#true} is VALID [2020-07-18 04:55:35,978 INFO L280 TraceCheckUtils]: 58: Hoare triple {8341#true} #res := 1; {8341#true} is VALID [2020-07-18 04:55:35,979 INFO L280 TraceCheckUtils]: 59: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:35,979 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {8341#true} {8341#true} #69#return; {8341#true} is VALID [2020-07-18 04:55:35,979 INFO L280 TraceCheckUtils]: 61: Hoare triple {8341#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8341#true} is VALID [2020-07-18 04:55:35,979 INFO L263 TraceCheckUtils]: 62: Hoare triple {8341#true} call #t~ret1 := fibo2(~n - 2); {8341#true} is VALID [2020-07-18 04:55:35,980 INFO L280 TraceCheckUtils]: 63: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:35,980 INFO L280 TraceCheckUtils]: 64: Hoare triple {8341#true} assume ~n < 1; {8341#true} is VALID [2020-07-18 04:55:35,980 INFO L280 TraceCheckUtils]: 65: Hoare triple {8341#true} #res := 0; {8341#true} is VALID [2020-07-18 04:55:35,981 INFO L280 TraceCheckUtils]: 66: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:35,981 INFO L275 TraceCheckUtils]: 67: Hoare quadruple {8341#true} {8341#true} #71#return; {8341#true} is VALID [2020-07-18 04:55:35,981 INFO L280 TraceCheckUtils]: 68: Hoare triple {8341#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {8341#true} is VALID [2020-07-18 04:55:35,982 INFO L280 TraceCheckUtils]: 69: Hoare triple {8341#true} #res := #t~ret0 + #t~ret1; {8341#true} is VALID [2020-07-18 04:55:35,982 INFO L280 TraceCheckUtils]: 70: Hoare triple {8341#true} havoc #t~ret1; {8341#true} is VALID [2020-07-18 04:55:35,982 INFO L280 TraceCheckUtils]: 71: Hoare triple {8341#true} havoc #t~ret0; {8341#true} is VALID [2020-07-18 04:55:35,983 INFO L280 TraceCheckUtils]: 72: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:35,984 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {8341#true} {8636#(<= |fibo2_#in~n| 4)} #67#return; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-18 04:55:35,985 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 [2020-07-18 04:55:35,985 INFO L280 TraceCheckUtils]: 75: Hoare triple {8636#(<= |fibo2_#in~n| 4)} #res := #t~ret2 + #t~ret3; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-18 04:55:35,986 INFO L280 TraceCheckUtils]: 76: Hoare triple {8636#(<= |fibo2_#in~n| 4)} havoc #t~ret3; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-18 04:55:35,987 INFO L280 TraceCheckUtils]: 77: Hoare triple {8636#(<= |fibo2_#in~n| 4)} havoc #t~ret2; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-18 04:55:35,988 INFO L280 TraceCheckUtils]: 78: Hoare triple {8636#(<= |fibo2_#in~n| 4)} assume true; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-18 04:55:35,989 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 [2020-07-18 04:55:35,990 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 [2020-07-18 04:55:35,990 INFO L263 TraceCheckUtils]: 81: Hoare triple {8552#(<= |fibo1_#in~n| 5)} call #t~ret1 := fibo2(~n - 2); {8341#true} is VALID [2020-07-18 04:55:35,990 INFO L280 TraceCheckUtils]: 82: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:35,990 INFO L280 TraceCheckUtils]: 83: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-18 04:55:35,990 INFO L280 TraceCheckUtils]: 84: Hoare triple {8341#true} assume !(1 == ~n); {8341#true} is VALID [2020-07-18 04:55:35,990 INFO L263 TraceCheckUtils]: 85: Hoare triple {8341#true} call #t~ret2 := fibo1(~n - 1); {8341#true} is VALID [2020-07-18 04:55:35,991 INFO L280 TraceCheckUtils]: 86: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:35,991 INFO L280 TraceCheckUtils]: 87: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-18 04:55:35,991 INFO L280 TraceCheckUtils]: 88: Hoare triple {8341#true} assume !(1 == ~n); {8341#true} is VALID [2020-07-18 04:55:35,991 INFO L263 TraceCheckUtils]: 89: Hoare triple {8341#true} call #t~ret0 := fibo2(~n - 1); {8341#true} is VALID [2020-07-18 04:55:35,991 INFO L280 TraceCheckUtils]: 90: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:35,992 INFO L280 TraceCheckUtils]: 91: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-18 04:55:35,992 INFO L280 TraceCheckUtils]: 92: Hoare triple {8341#true} assume 1 == ~n; {8341#true} is VALID [2020-07-18 04:55:35,992 INFO L280 TraceCheckUtils]: 93: Hoare triple {8341#true} #res := 1; {8341#true} is VALID [2020-07-18 04:55:35,992 INFO L280 TraceCheckUtils]: 94: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:35,992 INFO L275 TraceCheckUtils]: 95: Hoare quadruple {8341#true} {8341#true} #69#return; {8341#true} is VALID [2020-07-18 04:55:35,993 INFO L280 TraceCheckUtils]: 96: Hoare triple {8341#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8341#true} is VALID [2020-07-18 04:55:35,993 INFO L263 TraceCheckUtils]: 97: Hoare triple {8341#true} call #t~ret1 := fibo2(~n - 2); {8341#true} is VALID [2020-07-18 04:55:35,993 INFO L280 TraceCheckUtils]: 98: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:35,993 INFO L280 TraceCheckUtils]: 99: Hoare triple {8341#true} assume ~n < 1; {8341#true} is VALID [2020-07-18 04:55:35,993 INFO L280 TraceCheckUtils]: 100: Hoare triple {8341#true} #res := 0; {8341#true} is VALID [2020-07-18 04:55:35,993 INFO L280 TraceCheckUtils]: 101: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:35,994 INFO L275 TraceCheckUtils]: 102: Hoare quadruple {8341#true} {8341#true} #71#return; {8341#true} is VALID [2020-07-18 04:55:35,994 INFO L280 TraceCheckUtils]: 103: Hoare triple {8341#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {8341#true} is VALID [2020-07-18 04:55:35,994 INFO L280 TraceCheckUtils]: 104: Hoare triple {8341#true} #res := #t~ret0 + #t~ret1; {8341#true} is VALID [2020-07-18 04:55:35,994 INFO L280 TraceCheckUtils]: 105: Hoare triple {8341#true} havoc #t~ret1; {8341#true} is VALID [2020-07-18 04:55:35,994 INFO L280 TraceCheckUtils]: 106: Hoare triple {8341#true} havoc #t~ret0; {8341#true} is VALID [2020-07-18 04:55:35,995 INFO L280 TraceCheckUtils]: 107: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:35,995 INFO L275 TraceCheckUtils]: 108: Hoare quadruple {8341#true} {8341#true} #65#return; {8341#true} is VALID [2020-07-18 04:55:35,995 INFO L280 TraceCheckUtils]: 109: Hoare triple {8341#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8341#true} is VALID [2020-07-18 04:55:35,995 INFO L263 TraceCheckUtils]: 110: Hoare triple {8341#true} call #t~ret3 := fibo1(~n - 2); {8341#true} is VALID [2020-07-18 04:55:35,995 INFO L280 TraceCheckUtils]: 111: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:35,995 INFO L280 TraceCheckUtils]: 112: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-18 04:55:35,996 INFO L280 TraceCheckUtils]: 113: Hoare triple {8341#true} assume 1 == ~n; {8341#true} is VALID [2020-07-18 04:55:35,996 INFO L280 TraceCheckUtils]: 114: Hoare triple {8341#true} #res := 1; {8341#true} is VALID [2020-07-18 04:55:35,996 INFO L280 TraceCheckUtils]: 115: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:35,996 INFO L275 TraceCheckUtils]: 116: Hoare quadruple {8341#true} {8341#true} #67#return; {8341#true} is VALID [2020-07-18 04:55:35,996 INFO L280 TraceCheckUtils]: 117: Hoare triple {8341#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {8341#true} is VALID [2020-07-18 04:55:35,997 INFO L280 TraceCheckUtils]: 118: Hoare triple {8341#true} #res := #t~ret2 + #t~ret3; {8341#true} is VALID [2020-07-18 04:55:35,997 INFO L280 TraceCheckUtils]: 119: Hoare triple {8341#true} havoc #t~ret3; {8341#true} is VALID [2020-07-18 04:55:35,997 INFO L280 TraceCheckUtils]: 120: Hoare triple {8341#true} havoc #t~ret2; {8341#true} is VALID [2020-07-18 04:55:35,997 INFO L280 TraceCheckUtils]: 121: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:35,999 INFO L275 TraceCheckUtils]: 122: Hoare quadruple {8341#true} {8552#(<= |fibo1_#in~n| 5)} #71#return; {8552#(<= |fibo1_#in~n| 5)} is VALID [2020-07-18 04:55:35,999 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 [2020-07-18 04:55:36,000 INFO L280 TraceCheckUtils]: 124: Hoare triple {8552#(<= |fibo1_#in~n| 5)} #res := #t~ret0 + #t~ret1; {8552#(<= |fibo1_#in~n| 5)} is VALID [2020-07-18 04:55:36,000 INFO L280 TraceCheckUtils]: 125: Hoare triple {8552#(<= |fibo1_#in~n| 5)} havoc #t~ret1; {8552#(<= |fibo1_#in~n| 5)} is VALID [2020-07-18 04:55:36,001 INFO L280 TraceCheckUtils]: 126: Hoare triple {8552#(<= |fibo1_#in~n| 5)} havoc #t~ret0; {8552#(<= |fibo1_#in~n| 5)} is VALID [2020-07-18 04:55:36,001 INFO L280 TraceCheckUtils]: 127: Hoare triple {8552#(<= |fibo1_#in~n| 5)} assume true; {8552#(<= |fibo1_#in~n| 5)} is VALID [2020-07-18 04:55:36,002 INFO L275 TraceCheckUtils]: 128: Hoare quadruple {8552#(<= |fibo1_#in~n| 5)} {8345#(<= 6 main_~x~0)} #63#return; {8342#false} is VALID [2020-07-18 04:55:36,026 INFO L263 TraceCheckUtils]: 0: Hoare triple {8341#true} call ULTIMATE.init(); {8341#true} is VALID [2020-07-18 04:55:36,026 INFO L280 TraceCheckUtils]: 1: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:36,026 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {8341#true} {8341#true} #59#return; {8341#true} is VALID [2020-07-18 04:55:36,027 INFO L263 TraceCheckUtils]: 3: Hoare triple {8341#true} call #t~ret5 := main(); {8341#true} is VALID [2020-07-18 04:55:36,030 INFO L280 TraceCheckUtils]: 4: Hoare triple {8341#true} ~x~0 := 6; {8345#(<= 6 main_~x~0)} is VALID [2020-07-18 04:55:36,031 INFO L263 TraceCheckUtils]: 5: Hoare triple {8345#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {8341#true} is VALID [2020-07-18 04:55:36,031 INFO L280 TraceCheckUtils]: 6: Hoare triple {8341#true} ~n := #in~n; {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:36,032 INFO L280 TraceCheckUtils]: 7: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:36,033 INFO L280 TraceCheckUtils]: 8: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:36,033 INFO L263 TraceCheckUtils]: 9: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {8341#true} is VALID [2020-07-18 04:55:36,034 INFO L280 TraceCheckUtils]: 10: Hoare triple {8341#true} ~n := #in~n; {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:36,034 INFO L280 TraceCheckUtils]: 11: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:36,035 INFO L280 TraceCheckUtils]: 12: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:36,035 INFO L263 TraceCheckUtils]: 13: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8341#true} is VALID [2020-07-18 04:55:36,036 INFO L280 TraceCheckUtils]: 14: Hoare triple {8341#true} ~n := #in~n; {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:36,037 INFO L280 TraceCheckUtils]: 15: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:36,037 INFO L280 TraceCheckUtils]: 16: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:36,038 INFO L263 TraceCheckUtils]: 17: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {8341#true} is VALID [2020-07-18 04:55:36,038 INFO L280 TraceCheckUtils]: 18: Hoare triple {8341#true} ~n := #in~n; {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:36,039 INFO L280 TraceCheckUtils]: 19: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:36,040 INFO L280 TraceCheckUtils]: 20: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {8594#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:55:36,040 INFO L263 TraceCheckUtils]: 21: Hoare triple {8594#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8341#true} is VALID [2020-07-18 04:55:36,041 INFO L280 TraceCheckUtils]: 22: Hoare triple {8341#true} ~n := #in~n; {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:36,041 INFO L280 TraceCheckUtils]: 23: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8475#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:55:36,042 INFO L280 TraceCheckUtils]: 24: Hoare triple {8475#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {8702#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:36,042 INFO L280 TraceCheckUtils]: 25: Hoare triple {8702#(<= |fibo1_#in~n| 1)} #res := 1; {8702#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:36,043 INFO L280 TraceCheckUtils]: 26: Hoare triple {8702#(<= |fibo1_#in~n| 1)} assume true; {8702#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:55:36,045 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 [2020-07-18 04:55:36,046 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 [2020-07-18 04:55:36,046 INFO L263 TraceCheckUtils]: 29: Hoare triple {8696#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {8341#true} is VALID [2020-07-18 04:55:36,046 INFO L280 TraceCheckUtils]: 30: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:36,047 INFO L280 TraceCheckUtils]: 31: Hoare triple {8341#true} assume ~n < 1; {8341#true} is VALID [2020-07-18 04:55:36,047 INFO L280 TraceCheckUtils]: 32: Hoare triple {8341#true} #res := 0; {8341#true} is VALID [2020-07-18 04:55:36,047 INFO L280 TraceCheckUtils]: 33: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:36,048 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {8341#true} {8696#(<= |fibo2_#in~n| 2)} #67#return; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:36,049 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 [2020-07-18 04:55:36,051 INFO L280 TraceCheckUtils]: 36: Hoare triple {8696#(<= |fibo2_#in~n| 2)} #res := #t~ret2 + #t~ret3; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:36,051 INFO L280 TraceCheckUtils]: 37: Hoare triple {8696#(<= |fibo2_#in~n| 2)} havoc #t~ret3; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:36,052 INFO L280 TraceCheckUtils]: 38: Hoare triple {8696#(<= |fibo2_#in~n| 2)} havoc #t~ret2; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:36,052 INFO L280 TraceCheckUtils]: 39: Hoare triple {8696#(<= |fibo2_#in~n| 2)} assume true; {8696#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:55:36,053 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 [2020-07-18 04:55:36,054 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 [2020-07-18 04:55:36,054 INFO L263 TraceCheckUtils]: 42: Hoare triple {8683#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {8341#true} is VALID [2020-07-18 04:55:36,054 INFO L280 TraceCheckUtils]: 43: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:36,055 INFO L280 TraceCheckUtils]: 44: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-18 04:55:36,055 INFO L280 TraceCheckUtils]: 45: Hoare triple {8341#true} assume 1 == ~n; {8341#true} is VALID [2020-07-18 04:55:36,055 INFO L280 TraceCheckUtils]: 46: Hoare triple {8341#true} #res := 1; {8341#true} is VALID [2020-07-18 04:55:36,055 INFO L280 TraceCheckUtils]: 47: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:36,056 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {8341#true} {8683#(<= |fibo1_#in~n| 3)} #71#return; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:55:36,057 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 [2020-07-18 04:55:36,057 INFO L280 TraceCheckUtils]: 50: Hoare triple {8683#(<= |fibo1_#in~n| 3)} #res := #t~ret0 + #t~ret1; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:55:36,057 INFO L280 TraceCheckUtils]: 51: Hoare triple {8683#(<= |fibo1_#in~n| 3)} havoc #t~ret1; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:55:36,058 INFO L280 TraceCheckUtils]: 52: Hoare triple {8683#(<= |fibo1_#in~n| 3)} havoc #t~ret0; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:55:36,058 INFO L280 TraceCheckUtils]: 53: Hoare triple {8683#(<= |fibo1_#in~n| 3)} assume true; {8683#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:55:36,060 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 [2020-07-18 04:55:36,060 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 [2020-07-18 04:55:36,061 INFO L263 TraceCheckUtils]: 56: Hoare triple {8636#(<= |fibo2_#in~n| 4)} call #t~ret3 := fibo1(~n - 2); {8341#true} is VALID [2020-07-18 04:55:36,061 INFO L280 TraceCheckUtils]: 57: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:36,061 INFO L280 TraceCheckUtils]: 58: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-18 04:55:36,062 INFO L280 TraceCheckUtils]: 59: Hoare triple {8341#true} assume !(1 == ~n); {8341#true} is VALID [2020-07-18 04:55:36,062 INFO L263 TraceCheckUtils]: 60: Hoare triple {8341#true} call #t~ret0 := fibo2(~n - 1); {8341#true} is VALID [2020-07-18 04:55:36,062 INFO L280 TraceCheckUtils]: 61: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:36,062 INFO L280 TraceCheckUtils]: 62: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-18 04:55:36,063 INFO L280 TraceCheckUtils]: 63: Hoare triple {8341#true} assume 1 == ~n; {8341#true} is VALID [2020-07-18 04:55:36,063 INFO L280 TraceCheckUtils]: 64: Hoare triple {8341#true} #res := 1; {8341#true} is VALID [2020-07-18 04:55:36,063 INFO L280 TraceCheckUtils]: 65: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:36,064 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {8341#true} {8341#true} #69#return; {8341#true} is VALID [2020-07-18 04:55:36,064 INFO L280 TraceCheckUtils]: 67: Hoare triple {8341#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8341#true} is VALID [2020-07-18 04:55:36,064 INFO L263 TraceCheckUtils]: 68: Hoare triple {8341#true} call #t~ret1 := fibo2(~n - 2); {8341#true} is VALID [2020-07-18 04:55:36,064 INFO L280 TraceCheckUtils]: 69: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:36,065 INFO L280 TraceCheckUtils]: 70: Hoare triple {8341#true} assume ~n < 1; {8341#true} is VALID [2020-07-18 04:55:36,065 INFO L280 TraceCheckUtils]: 71: Hoare triple {8341#true} #res := 0; {8341#true} is VALID [2020-07-18 04:55:36,065 INFO L280 TraceCheckUtils]: 72: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:36,066 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {8341#true} {8341#true} #71#return; {8341#true} is VALID [2020-07-18 04:55:36,066 INFO L280 TraceCheckUtils]: 74: Hoare triple {8341#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {8341#true} is VALID [2020-07-18 04:55:36,066 INFO L280 TraceCheckUtils]: 75: Hoare triple {8341#true} #res := #t~ret0 + #t~ret1; {8341#true} is VALID [2020-07-18 04:55:36,066 INFO L280 TraceCheckUtils]: 76: Hoare triple {8341#true} havoc #t~ret1; {8341#true} is VALID [2020-07-18 04:55:36,067 INFO L280 TraceCheckUtils]: 77: Hoare triple {8341#true} havoc #t~ret0; {8341#true} is VALID [2020-07-18 04:55:36,067 INFO L280 TraceCheckUtils]: 78: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:36,069 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {8341#true} {8636#(<= |fibo2_#in~n| 4)} #67#return; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-18 04:55:36,070 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 [2020-07-18 04:55:36,070 INFO L280 TraceCheckUtils]: 81: Hoare triple {8636#(<= |fibo2_#in~n| 4)} #res := #t~ret2 + #t~ret3; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-18 04:55:36,071 INFO L280 TraceCheckUtils]: 82: Hoare triple {8636#(<= |fibo2_#in~n| 4)} havoc #t~ret3; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-18 04:55:36,072 INFO L280 TraceCheckUtils]: 83: Hoare triple {8636#(<= |fibo2_#in~n| 4)} havoc #t~ret2; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-18 04:55:36,072 INFO L280 TraceCheckUtils]: 84: Hoare triple {8636#(<= |fibo2_#in~n| 4)} assume true; {8636#(<= |fibo2_#in~n| 4)} is VALID [2020-07-18 04:55:36,074 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 [2020-07-18 04:55:36,076 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 [2020-07-18 04:55:36,076 INFO L263 TraceCheckUtils]: 87: Hoare triple {8552#(<= |fibo1_#in~n| 5)} call #t~ret1 := fibo2(~n - 2); {8341#true} is VALID [2020-07-18 04:55:36,076 INFO L280 TraceCheckUtils]: 88: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:36,076 INFO L280 TraceCheckUtils]: 89: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-18 04:55:36,077 INFO L280 TraceCheckUtils]: 90: Hoare triple {8341#true} assume !(1 == ~n); {8341#true} is VALID [2020-07-18 04:55:36,077 INFO L263 TraceCheckUtils]: 91: Hoare triple {8341#true} call #t~ret2 := fibo1(~n - 1); {8341#true} is VALID [2020-07-18 04:55:36,077 INFO L280 TraceCheckUtils]: 92: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:36,078 INFO L280 TraceCheckUtils]: 93: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-18 04:55:36,078 INFO L280 TraceCheckUtils]: 94: Hoare triple {8341#true} assume !(1 == ~n); {8341#true} is VALID [2020-07-18 04:55:36,078 INFO L263 TraceCheckUtils]: 95: Hoare triple {8341#true} call #t~ret0 := fibo2(~n - 1); {8341#true} is VALID [2020-07-18 04:55:36,078 INFO L280 TraceCheckUtils]: 96: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:36,079 INFO L280 TraceCheckUtils]: 97: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-18 04:55:36,079 INFO L280 TraceCheckUtils]: 98: Hoare triple {8341#true} assume 1 == ~n; {8341#true} is VALID [2020-07-18 04:55:36,079 INFO L280 TraceCheckUtils]: 99: Hoare triple {8341#true} #res := 1; {8341#true} is VALID [2020-07-18 04:55:36,079 INFO L280 TraceCheckUtils]: 100: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:36,080 INFO L275 TraceCheckUtils]: 101: Hoare quadruple {8341#true} {8341#true} #69#return; {8341#true} is VALID [2020-07-18 04:55:36,080 INFO L280 TraceCheckUtils]: 102: Hoare triple {8341#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8341#true} is VALID [2020-07-18 04:55:36,080 INFO L263 TraceCheckUtils]: 103: Hoare triple {8341#true} call #t~ret1 := fibo2(~n - 2); {8341#true} is VALID [2020-07-18 04:55:36,081 INFO L280 TraceCheckUtils]: 104: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:36,081 INFO L280 TraceCheckUtils]: 105: Hoare triple {8341#true} assume ~n < 1; {8341#true} is VALID [2020-07-18 04:55:36,081 INFO L280 TraceCheckUtils]: 106: Hoare triple {8341#true} #res := 0; {8341#true} is VALID [2020-07-18 04:55:36,081 INFO L280 TraceCheckUtils]: 107: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:36,082 INFO L275 TraceCheckUtils]: 108: Hoare quadruple {8341#true} {8341#true} #71#return; {8341#true} is VALID [2020-07-18 04:55:36,082 INFO L280 TraceCheckUtils]: 109: Hoare triple {8341#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {8341#true} is VALID [2020-07-18 04:55:36,082 INFO L280 TraceCheckUtils]: 110: Hoare triple {8341#true} #res := #t~ret0 + #t~ret1; {8341#true} is VALID [2020-07-18 04:55:36,082 INFO L280 TraceCheckUtils]: 111: Hoare triple {8341#true} havoc #t~ret1; {8341#true} is VALID [2020-07-18 04:55:36,082 INFO L280 TraceCheckUtils]: 112: Hoare triple {8341#true} havoc #t~ret0; {8341#true} is VALID [2020-07-18 04:55:36,083 INFO L280 TraceCheckUtils]: 113: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:36,083 INFO L275 TraceCheckUtils]: 114: Hoare quadruple {8341#true} {8341#true} #65#return; {8341#true} is VALID [2020-07-18 04:55:36,083 INFO L280 TraceCheckUtils]: 115: Hoare triple {8341#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8341#true} is VALID [2020-07-18 04:55:36,083 INFO L263 TraceCheckUtils]: 116: Hoare triple {8341#true} call #t~ret3 := fibo1(~n - 2); {8341#true} is VALID [2020-07-18 04:55:36,084 INFO L280 TraceCheckUtils]: 117: Hoare triple {8341#true} ~n := #in~n; {8341#true} is VALID [2020-07-18 04:55:36,084 INFO L280 TraceCheckUtils]: 118: Hoare triple {8341#true} assume !(~n < 1); {8341#true} is VALID [2020-07-18 04:55:36,084 INFO L280 TraceCheckUtils]: 119: Hoare triple {8341#true} assume 1 == ~n; {8341#true} is VALID [2020-07-18 04:55:36,084 INFO L280 TraceCheckUtils]: 120: Hoare triple {8341#true} #res := 1; {8341#true} is VALID [2020-07-18 04:55:36,085 INFO L280 TraceCheckUtils]: 121: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:36,085 INFO L275 TraceCheckUtils]: 122: Hoare quadruple {8341#true} {8341#true} #67#return; {8341#true} is VALID [2020-07-18 04:55:36,085 INFO L280 TraceCheckUtils]: 123: Hoare triple {8341#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {8341#true} is VALID [2020-07-18 04:55:36,086 INFO L280 TraceCheckUtils]: 124: Hoare triple {8341#true} #res := #t~ret2 + #t~ret3; {8341#true} is VALID [2020-07-18 04:55:36,086 INFO L280 TraceCheckUtils]: 125: Hoare triple {8341#true} havoc #t~ret3; {8341#true} is VALID [2020-07-18 04:55:36,086 INFO L280 TraceCheckUtils]: 126: Hoare triple {8341#true} havoc #t~ret2; {8341#true} is VALID [2020-07-18 04:55:36,086 INFO L280 TraceCheckUtils]: 127: Hoare triple {8341#true} assume true; {8341#true} is VALID [2020-07-18 04:55:36,088 INFO L275 TraceCheckUtils]: 128: Hoare quadruple {8341#true} {8552#(<= |fibo1_#in~n| 5)} #71#return; {8552#(<= |fibo1_#in~n| 5)} is VALID [2020-07-18 04:55:36,089 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 [2020-07-18 04:55:36,089 INFO L280 TraceCheckUtils]: 130: Hoare triple {8552#(<= |fibo1_#in~n| 5)} #res := #t~ret0 + #t~ret1; {8552#(<= |fibo1_#in~n| 5)} is VALID [2020-07-18 04:55:36,090 INFO L280 TraceCheckUtils]: 131: Hoare triple {8552#(<= |fibo1_#in~n| 5)} havoc #t~ret1; {8552#(<= |fibo1_#in~n| 5)} is VALID [2020-07-18 04:55:36,091 INFO L280 TraceCheckUtils]: 132: Hoare triple {8552#(<= |fibo1_#in~n| 5)} havoc #t~ret0; {8552#(<= |fibo1_#in~n| 5)} is VALID [2020-07-18 04:55:36,091 INFO L280 TraceCheckUtils]: 133: Hoare triple {8552#(<= |fibo1_#in~n| 5)} assume true; {8552#(<= |fibo1_#in~n| 5)} is VALID [2020-07-18 04:55:36,093 INFO L275 TraceCheckUtils]: 134: Hoare quadruple {8552#(<= |fibo1_#in~n| 5)} {8345#(<= 6 main_~x~0)} #63#return; {8342#false} is VALID [2020-07-18 04:55:36,093 INFO L280 TraceCheckUtils]: 135: Hoare triple {8342#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {8342#false} is VALID [2020-07-18 04:55:36,093 INFO L280 TraceCheckUtils]: 136: Hoare triple {8342#false} ~result~0 := #t~ret4; {8342#false} is VALID [2020-07-18 04:55:36,093 INFO L280 TraceCheckUtils]: 137: Hoare triple {8342#false} havoc #t~ret4; {8342#false} is VALID [2020-07-18 04:55:36,094 INFO L280 TraceCheckUtils]: 138: Hoare triple {8342#false} assume 8 == ~result~0; {8342#false} is VALID [2020-07-18 04:55:36,094 INFO L280 TraceCheckUtils]: 139: Hoare triple {8342#false} assume !false; {8342#false} is VALID [2020-07-18 04:55:36,122 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 26 proven. 126 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2020-07-18 04:55:36,122 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1658952436] [2020-07-18 04:55:36,123 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-18 04:55:36,123 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-07-18 04:55:36,123 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142579422] [2020-07-18 04:55:36,125 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 140 [2020-07-18 04:55:36,128 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 04:55:36,128 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2020-07-18 04:55:36,257 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 93 edges. 93 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:55:36,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-18 04:55:36,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 04:55:36,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-18 04:55:36,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-07-18 04:55:36,258 INFO L87 Difference]: Start difference. First operand 105 states and 127 transitions. Second operand 10 states. [2020-07-18 04:55:37,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:55:37,576 INFO L93 Difference]: Finished difference Result 214 states and 288 transitions. [2020-07-18 04:55:37,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-18 04:55:37,576 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 140 [2020-07-18 04:55:37,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 04:55:37,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-18 04:55:37,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 132 transitions. [2020-07-18 04:55:37,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-18 04:55:37,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 132 transitions. [2020-07-18 04:55:37,581 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 132 transitions. [2020-07-18 04:55:37,749 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 132 edges. 132 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:55:37,756 INFO L225 Difference]: With dead ends: 214 [2020-07-18 04:55:37,756 INFO L226 Difference]: Without dead ends: 208 [2020-07-18 04:55:37,757 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 [2020-07-18 04:55:37,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-07-18 04:55:38,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 189. [2020-07-18 04:55:38,253 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 04:55:38,253 INFO L82 GeneralOperation]: Start isEquivalent. First operand 208 states. Second operand 189 states. [2020-07-18 04:55:38,254 INFO L74 IsIncluded]: Start isIncluded. First operand 208 states. Second operand 189 states. [2020-07-18 04:55:38,254 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 189 states. [2020-07-18 04:55:38,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:55:38,262 INFO L93 Difference]: Finished difference Result 208 states and 281 transitions. [2020-07-18 04:55:38,263 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 281 transitions. [2020-07-18 04:55:38,264 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:55:38,265 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:55:38,265 INFO L74 IsIncluded]: Start isIncluded. First operand 189 states. Second operand 208 states. [2020-07-18 04:55:38,265 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 208 states. [2020-07-18 04:55:38,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:55:38,273 INFO L93 Difference]: Finished difference Result 208 states and 281 transitions. [2020-07-18 04:55:38,273 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 281 transitions. [2020-07-18 04:55:38,275 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:55:38,275 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:55:38,275 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 04:55:38,275 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 04:55:38,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-07-18 04:55:38,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 256 transitions. [2020-07-18 04:55:38,282 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 256 transitions. Word has length 140 [2020-07-18 04:55:38,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 04:55:38,283 INFO L479 AbstractCegarLoop]: Abstraction has 189 states and 256 transitions. [2020-07-18 04:55:38,283 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-18 04:55:38,283 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 189 states and 256 transitions. [2020-07-18 04:55:38,639 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 256 edges. 256 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:55:38,639 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 256 transitions. [2020-07-18 04:55:38,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-07-18 04:55:38,644 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:55:38,644 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] [2020-07-18 04:55:38,644 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-18 04:55:38,645 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:55:38,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:55:38,647 INFO L82 PathProgramCache]: Analyzing trace with hash 1117162661, now seen corresponding path program 3 times [2020-07-18 04:55:38,647 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:55:38,648 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [92833969] [2020-07-18 04:55:38,648 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:55:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 04:55:38,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 04:55:38,788 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-18 04:55:38,788 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-18 04:55:38,788 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-18 04:55:38,854 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-18 04:55:38,854 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 04:55:38,854 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 04:55:38,854 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-18 04:55:38,854 WARN L170 areAnnotationChecker]: fibo2ENTRY has no Hoare annotation [2020-07-18 04:55:38,854 WARN L170 areAnnotationChecker]: fibo1ENTRY has no Hoare annotation [2020-07-18 04:55:38,854 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-18 04:55:38,855 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 04:55:38,855 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 04:55:38,855 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-18 04:55:38,855 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-18 04:55:38,855 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2020-07-18 04:55:38,855 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2020-07-18 04:55:38,855 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-18 04:55:38,855 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-18 04:55:38,855 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-18 04:55:38,855 WARN L170 areAnnotationChecker]: L37-1 has no Hoare annotation [2020-07-18 04:55:38,856 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-18 04:55:38,856 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2020-07-18 04:55:38,856 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2020-07-18 04:55:38,856 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2020-07-18 04:55:38,856 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2020-07-18 04:55:38,856 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2020-07-18 04:55:38,856 WARN L170 areAnnotationChecker]: L37-2 has no Hoare annotation [2020-07-18 04:55:38,856 WARN L170 areAnnotationChecker]: fibo2FINAL has no Hoare annotation [2020-07-18 04:55:38,856 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-18 04:55:38,856 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-18 04:55:38,857 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-18 04:55:38,857 WARN L170 areAnnotationChecker]: fibo1FINAL has no Hoare annotation [2020-07-18 04:55:38,857 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-18 04:55:38,857 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-18 04:55:38,857 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-18 04:55:38,857 WARN L170 areAnnotationChecker]: L37-3 has no Hoare annotation [2020-07-18 04:55:38,857 WARN L170 areAnnotationChecker]: fibo2EXIT has no Hoare annotation [2020-07-18 04:55:38,857 WARN L170 areAnnotationChecker]: fibo2EXIT has no Hoare annotation [2020-07-18 04:55:38,857 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2020-07-18 04:55:38,857 WARN L170 areAnnotationChecker]: fibo1EXIT has no Hoare annotation [2020-07-18 04:55:38,858 WARN L170 areAnnotationChecker]: fibo1EXIT has no Hoare annotation [2020-07-18 04:55:38,858 WARN L170 areAnnotationChecker]: fibo1EXIT has no Hoare annotation [2020-07-18 04:55:38,858 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-18 04:55:38,858 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-18 04:55:38,858 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-18 04:55:38,858 WARN L170 areAnnotationChecker]: L13-3 has no Hoare annotation [2020-07-18 04:55:38,858 WARN L170 areAnnotationChecker]: L23-2 has no Hoare annotation [2020-07-18 04:55:38,858 WARN L170 areAnnotationChecker]: L23-2 has no Hoare annotation [2020-07-18 04:55:38,858 WARN L170 areAnnotationChecker]: L23-3 has no Hoare annotation [2020-07-18 04:55:38,858 WARN L170 areAnnotationChecker]: L13-2 has no Hoare annotation [2020-07-18 04:55:38,859 WARN L170 areAnnotationChecker]: L13-2 has no Hoare annotation [2020-07-18 04:55:38,859 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-18 04:55:38,859 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-18 04:55:38,859 WARN L170 areAnnotationChecker]: L38-2 has no Hoare annotation [2020-07-18 04:55:38,859 WARN L170 areAnnotationChecker]: L13-4 has no Hoare annotation [2020-07-18 04:55:38,859 WARN L170 areAnnotationChecker]: L23-4 has no Hoare annotation [2020-07-18 04:55:38,859 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-18 04:55:38,859 WARN L170 areAnnotationChecker]: L13-5 has no Hoare annotation [2020-07-18 04:55:38,859 WARN L170 areAnnotationChecker]: L23-5 has no Hoare annotation [2020-07-18 04:55:38,860 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-18 04:55:38,860 WARN L170 areAnnotationChecker]: L13-6 has no Hoare annotation [2020-07-18 04:55:38,860 WARN L170 areAnnotationChecker]: L23-6 has no Hoare annotation [2020-07-18 04:55:38,860 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. [2020-07-18 04:55:38,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 04:55:38 BoogieIcfgContainer [2020-07-18 04:55:38,863 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 04:55:38,866 INFO L168 Benchmark]: Toolchain (without parser) took 20622.38 ms. Allocated memory was 139.5 MB in the beginning and 426.8 MB in the end (delta: 287.3 MB). Free memory was 104.2 MB in the beginning and 148.3 MB in the end (delta: -44.0 MB). Peak memory consumption was 243.3 MB. Max. memory is 7.1 GB. [2020-07-18 04:55:38,867 INFO L168 Benchmark]: CDTParser took 0.95 ms. Allocated memory is still 139.5 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-18 04:55:38,867 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.26 ms. Allocated memory is still 139.5 MB. Free memory was 104.0 MB in the beginning and 94.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2020-07-18 04:55:38,868 INFO L168 Benchmark]: Boogie Preprocessor took 115.19 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 94.2 MB in the beginning and 183.2 MB in the end (delta: -89.0 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. [2020-07-18 04:55:38,868 INFO L168 Benchmark]: RCFGBuilder took 401.11 ms. Allocated memory is still 203.9 MB. Free memory was 183.2 MB in the beginning and 161.4 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2020-07-18 04:55:38,869 INFO L168 Benchmark]: TraceAbstraction took 19869.13 ms. Allocated memory was 203.9 MB in the beginning and 426.8 MB in the end (delta: 222.8 MB). Free memory was 160.8 MB in the beginning and 148.3 MB in the end (delta: 12.5 MB). Peak memory consumption was 235.3 MB. Max. memory is 7.1 GB. [2020-07-18 04:55:38,871 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 0.95 ms. Allocated memory is still 139.5 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 230.26 ms. Allocated memory is still 139.5 MB. Free memory was 104.0 MB in the beginning and 94.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.19 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 94.2 MB in the beginning and 183.2 MB in the end (delta: -89.0 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 401.11 ms. Allocated memory is still 203.9 MB. Free memory was 183.2 MB in the beginning and 161.4 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19869.13 ms. Allocated memory was 203.9 MB in the beginning and 426.8 MB in the end (delta: 222.8 MB). Free memory was 160.8 MB in the beginning and 148.3 MB in the end (delta: 12.5 MB). Peak memory consumption was 235.3 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: 19.7s, OverallIterations: 13, TraceHistogramMax: 13, AutomataDifference: 10.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 524 SDtfs, 528 SDslu, 2120 SDs, 0 SdLazy, 1458 SolverSat, 168 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 315 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 1.0s 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: 2.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 88 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.2s 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...