/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_4-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-11 00:47:46,109 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-11 00:47:46,111 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-11 00:47:46,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-11 00:47:46,131 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-11 00:47:46,133 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-11 00:47:46,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-11 00:47:46,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-11 00:47:46,148 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-11 00:47:46,149 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-11 00:47:46,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-11 00:47:46,153 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-11 00:47:46,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-11 00:47:46,156 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-11 00:47:46,157 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-11 00:47:46,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-11 00:47:46,162 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-11 00:47:46,164 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-11 00:47:46,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-11 00:47:46,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-11 00:47:46,175 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-11 00:47:46,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-11 00:47:46,180 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-11 00:47:46,181 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-11 00:47:46,183 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-11 00:47:46,183 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-11 00:47:46,184 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-11 00:47:46,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-11 00:47:46,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-11 00:47:46,190 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-11 00:47:46,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-11 00:47:46,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-11 00:47:46,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-11 00:47:46,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-11 00:47:46,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-11 00:47:46,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-11 00:47:46,198 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-11 00:47:46,198 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-11 00:47:46,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-11 00:47:46,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-11 00:47:46,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-11 00:47:46,202 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-11 00:47:46,218 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-11 00:47:46,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-11 00:47:46,221 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-11 00:47:46,221 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-11 00:47:46,222 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-11 00:47:46,222 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-11 00:47:46,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-11 00:47:46,222 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-11 00:47:46,222 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-11 00:47:46,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-11 00:47:46,224 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-11 00:47:46,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-11 00:47:46,224 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-11 00:47:46,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-11 00:47:46,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-11 00:47:46,225 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-11 00:47:46,225 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-11 00:47:46,226 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-11 00:47:46,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-11 00:47:46,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-11 00:47:46,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-11 00:47:46,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-11 00:47:46,227 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-11 00:47:46,511 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-11 00:47:46,527 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-11 00:47:46,530 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-11 00:47:46,532 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-11 00:47:46,532 INFO L275 PluginConnector]: CDTParser initialized [2020-07-11 00:47:46,533 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_4-1.c [2020-07-11 00:47:46,619 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/268e24d0d/61fec4a3406f4455aed0dc8f736492af/FLAGbc4650717 [2020-07-11 00:47:47,133 INFO L306 CDTParser]: Found 1 translation units. [2020-07-11 00:47:47,134 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/fibo_2calls_4-1.c [2020-07-11 00:47:47,140 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/268e24d0d/61fec4a3406f4455aed0dc8f736492af/FLAGbc4650717 [2020-07-11 00:47:47,575 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/268e24d0d/61fec4a3406f4455aed0dc8f736492af [2020-07-11 00:47:47,587 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-11 00:47:47,589 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-11 00:47:47,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-11 00:47:47,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-11 00:47:47,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-11 00:47:47,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 12:47:47" (1/1) ... [2020-07-11 00:47:47,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c13891a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:47:47, skipping insertion in model container [2020-07-11 00:47:47,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 12:47:47" (1/1) ... [2020-07-11 00:47:47,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-11 00:47:47,631 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-11 00:47:47,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 00:47:47,817 INFO L203 MainTranslator]: Completed pre-run [2020-07-11 00:47:47,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 00:47:47,850 INFO L208 MainTranslator]: Completed translation [2020-07-11 00:47:47,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:47:47 WrapperNode [2020-07-11 00:47:47,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-11 00:47:47,852 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-11 00:47:47,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-11 00:47:47,852 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-11 00:47:47,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:47:47" (1/1) ... [2020-07-11 00:47:47,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:47:47" (1/1) ... [2020-07-11 00:47:47,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:47:47" (1/1) ... [2020-07-11 00:47:47,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:47:47" (1/1) ... [2020-07-11 00:47:47,957 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:47:47" (1/1) ... [2020-07-11 00:47:47,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:47:47" (1/1) ... [2020-07-11 00:47:47,967 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:47:47" (1/1) ... [2020-07-11 00:47:47,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-11 00:47:47,969 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-11 00:47:47,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-11 00:47:47,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-11 00:47:47,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:47:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-11 00:47:48,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-11 00:47:48,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-11 00:47:48,041 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-07-11 00:47:48,041 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-07-11 00:47:48,041 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-11 00:47:48,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-11 00:47:48,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-11 00:47:48,041 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-07-11 00:47:48,041 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-07-11 00:47:48,041 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-11 00:47:48,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-11 00:47:48,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-11 00:47:48,385 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-11 00:47:48,386 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-11 00:47:48,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 12:47:48 BoogieIcfgContainer [2020-07-11 00:47:48,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-11 00:47:48,392 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-11 00:47:48,392 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-11 00:47:48,396 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-11 00:47:48,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.07 12:47:47" (1/3) ... [2020-07-11 00:47:48,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c6b747d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 12:47:48, skipping insertion in model container [2020-07-11 00:47:48,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:47:47" (2/3) ... [2020-07-11 00:47:48,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c6b747d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 12:47:48, skipping insertion in model container [2020-07-11 00:47:48,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 12:47:48" (3/3) ... [2020-07-11 00:47:48,400 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_4-1.c [2020-07-11 00:47:48,412 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-11 00:47:48,420 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-11 00:47:48,436 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-11 00:47:48,462 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-11 00:47:48,463 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-11 00:47:48,463 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-11 00:47:48,463 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-11 00:47:48,464 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-11 00:47:48,464 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-11 00:47:48,464 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-11 00:47:48,464 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-11 00:47:48,481 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2020-07-11 00:47:48,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-11 00:47:48,493 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:47:48,494 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 00:47:48,494 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:47:48,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:47:48,504 INFO L82 PathProgramCache]: Analyzing trace with hash -1089710179, now seen corresponding path program 1 times [2020-07-11 00:47:48,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:47:48,514 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1644959738] [2020-07-11 00:47:48,515 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:47:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:48,729 INFO L280 TraceCheckUtils]: 0: Hoare triple {48#true} assume true; {48#true} is VALID [2020-07-11 00:47:48,730 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {48#true} {48#true} #59#return; {48#true} is VALID [2020-07-11 00:47:48,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:48,839 INFO L280 TraceCheckUtils]: 0: Hoare triple {48#true} ~n := #in~n; {58#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:48,844 INFO L280 TraceCheckUtils]: 1: Hoare triple {58#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {59#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:47:48,845 INFO L280 TraceCheckUtils]: 2: Hoare triple {59#(<= |fibo1_#in~n| 0)} #res := 0; {59#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:47:48,847 INFO L280 TraceCheckUtils]: 3: Hoare triple {59#(<= |fibo1_#in~n| 0)} assume true; {59#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:47:48,851 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {59#(<= |fibo1_#in~n| 0)} {52#(<= 4 main_~x~0)} #63#return; {49#false} is VALID [2020-07-11 00:47:48,852 INFO L263 TraceCheckUtils]: 0: Hoare triple {48#true} call ULTIMATE.init(); {48#true} is VALID [2020-07-11 00:47:48,852 INFO L280 TraceCheckUtils]: 1: Hoare triple {48#true} assume true; {48#true} is VALID [2020-07-11 00:47:48,853 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {48#true} {48#true} #59#return; {48#true} is VALID [2020-07-11 00:47:48,854 INFO L263 TraceCheckUtils]: 3: Hoare triple {48#true} call #t~ret5 := main(); {48#true} is VALID [2020-07-11 00:47:48,857 INFO L280 TraceCheckUtils]: 4: Hoare triple {48#true} ~x~0 := 4; {52#(<= 4 main_~x~0)} is VALID [2020-07-11 00:47:48,858 INFO L263 TraceCheckUtils]: 5: Hoare triple {52#(<= 4 main_~x~0)} call #t~ret4 := fibo1(~x~0); {48#true} is VALID [2020-07-11 00:47:48,859 INFO L280 TraceCheckUtils]: 6: Hoare triple {48#true} ~n := #in~n; {58#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:48,866 INFO L280 TraceCheckUtils]: 7: Hoare triple {58#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {59#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:47:48,868 INFO L280 TraceCheckUtils]: 8: Hoare triple {59#(<= |fibo1_#in~n| 0)} #res := 0; {59#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:47:48,869 INFO L280 TraceCheckUtils]: 9: Hoare triple {59#(<= |fibo1_#in~n| 0)} assume true; {59#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:47:48,874 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {59#(<= |fibo1_#in~n| 0)} {52#(<= 4 main_~x~0)} #63#return; {49#false} is VALID [2020-07-11 00:47:48,875 INFO L280 TraceCheckUtils]: 11: Hoare triple {49#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {49#false} is VALID [2020-07-11 00:47:48,876 INFO L280 TraceCheckUtils]: 12: Hoare triple {49#false} ~result~0 := #t~ret4; {49#false} is VALID [2020-07-11 00:47:48,876 INFO L280 TraceCheckUtils]: 13: Hoare triple {49#false} havoc #t~ret4; {49#false} is VALID [2020-07-11 00:47:48,877 INFO L280 TraceCheckUtils]: 14: Hoare triple {49#false} assume 3 != ~result~0; {49#false} is VALID [2020-07-11 00:47:48,881 INFO L280 TraceCheckUtils]: 15: Hoare triple {49#false} assume !false; {49#false} is VALID [2020-07-11 00:47:48,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 00:47:48,885 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1644959738] [2020-07-11 00:47:48,889 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 00:47:48,889 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-11 00:47:48,891 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630639508] [2020-07-11 00:47:48,901 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-07-11 00:47:48,905 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:47:48,910 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-11 00:47:48,964 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:47:48,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-11 00:47:48,965 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:47:48,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-11 00:47:48,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-11 00:47:48,976 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 5 states. [2020-07-11 00:47:49,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:47:49,388 INFO L93 Difference]: Finished difference Result 58 states and 67 transitions. [2020-07-11 00:47:49,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-11 00:47:49,389 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-07-11 00:47:49,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:47:49,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-11 00:47:49,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 67 transitions. [2020-07-11 00:47:49,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-11 00:47:49,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 67 transitions. [2020-07-11 00:47:49,410 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 67 transitions. [2020-07-11 00:47:49,527 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:47:49,542 INFO L225 Difference]: With dead ends: 58 [2020-07-11 00:47:49,543 INFO L226 Difference]: Without dead ends: 42 [2020-07-11 00:47:49,547 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-11 00:47:49,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-07-11 00:47:49,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-07-11 00:47:49,629 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:47:49,630 INFO L82 GeneralOperation]: Start isEquivalent. First operand 42 states. Second operand 42 states. [2020-07-11 00:47:49,630 INFO L74 IsIncluded]: Start isIncluded. First operand 42 states. Second operand 42 states. [2020-07-11 00:47:49,631 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 42 states. [2020-07-11 00:47:49,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:47:49,640 INFO L93 Difference]: Finished difference Result 42 states and 49 transitions. [2020-07-11 00:47:49,640 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2020-07-11 00:47:49,641 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:47:49,642 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:47:49,642 INFO L74 IsIncluded]: Start isIncluded. First operand 42 states. Second operand 42 states. [2020-07-11 00:47:49,642 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 42 states. [2020-07-11 00:47:49,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:47:49,649 INFO L93 Difference]: Finished difference Result 42 states and 49 transitions. [2020-07-11 00:47:49,650 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2020-07-11 00:47:49,651 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:47:49,651 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:47:49,651 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:47:49,652 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:47:49,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-07-11 00:47:49,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2020-07-11 00:47:49,659 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 16 [2020-07-11 00:47:49,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:47:49,660 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2020-07-11 00:47:49,660 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-11 00:47:49,660 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 42 states and 49 transitions. [2020-07-11 00:47:49,755 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:47:49,756 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2020-07-11 00:47:49,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-11 00:47:49,757 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:47:49,758 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 00:47:49,759 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-11 00:47:49,759 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:47:49,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:47:49,760 INFO L82 PathProgramCache]: Analyzing trace with hash -653728005, now seen corresponding path program 1 times [2020-07-11 00:47:49,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:47:49,761 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1211594583] [2020-07-11 00:47:49,761 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:47:49,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:49,835 INFO L280 TraceCheckUtils]: 0: Hoare triple {348#true} assume true; {348#true} is VALID [2020-07-11 00:47:49,836 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {348#true} {348#true} #59#return; {348#true} is VALID [2020-07-11 00:47:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:49,906 INFO L280 TraceCheckUtils]: 0: Hoare triple {348#true} ~n := #in~n; {359#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:49,907 INFO L280 TraceCheckUtils]: 1: Hoare triple {359#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {359#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:49,908 INFO L280 TraceCheckUtils]: 2: Hoare triple {359#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {360#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:47:49,909 INFO L280 TraceCheckUtils]: 3: Hoare triple {360#(<= |fibo1_#in~n| 1)} #res := 1; {360#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:47:49,910 INFO L280 TraceCheckUtils]: 4: Hoare triple {360#(<= |fibo1_#in~n| 1)} assume true; {360#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:47:49,911 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {360#(<= |fibo1_#in~n| 1)} {352#(<= 4 main_~x~0)} #63#return; {349#false} is VALID [2020-07-11 00:47:49,912 INFO L263 TraceCheckUtils]: 0: Hoare triple {348#true} call ULTIMATE.init(); {348#true} is VALID [2020-07-11 00:47:49,913 INFO L280 TraceCheckUtils]: 1: Hoare triple {348#true} assume true; {348#true} is VALID [2020-07-11 00:47:49,913 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {348#true} {348#true} #59#return; {348#true} is VALID [2020-07-11 00:47:49,915 INFO L263 TraceCheckUtils]: 3: Hoare triple {348#true} call #t~ret5 := main(); {348#true} is VALID [2020-07-11 00:47:49,916 INFO L280 TraceCheckUtils]: 4: Hoare triple {348#true} ~x~0 := 4; {352#(<= 4 main_~x~0)} is VALID [2020-07-11 00:47:49,917 INFO L263 TraceCheckUtils]: 5: Hoare triple {352#(<= 4 main_~x~0)} call #t~ret4 := fibo1(~x~0); {348#true} is VALID [2020-07-11 00:47:49,918 INFO L280 TraceCheckUtils]: 6: Hoare triple {348#true} ~n := #in~n; {359#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:49,918 INFO L280 TraceCheckUtils]: 7: Hoare triple {359#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {359#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:49,919 INFO L280 TraceCheckUtils]: 8: Hoare triple {359#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {360#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:47:49,920 INFO L280 TraceCheckUtils]: 9: Hoare triple {360#(<= |fibo1_#in~n| 1)} #res := 1; {360#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:47:49,921 INFO L280 TraceCheckUtils]: 10: Hoare triple {360#(<= |fibo1_#in~n| 1)} assume true; {360#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:47:49,922 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {360#(<= |fibo1_#in~n| 1)} {352#(<= 4 main_~x~0)} #63#return; {349#false} is VALID [2020-07-11 00:47:49,922 INFO L280 TraceCheckUtils]: 12: Hoare triple {349#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {349#false} is VALID [2020-07-11 00:47:49,923 INFO L280 TraceCheckUtils]: 13: Hoare triple {349#false} ~result~0 := #t~ret4; {349#false} is VALID [2020-07-11 00:47:49,923 INFO L280 TraceCheckUtils]: 14: Hoare triple {349#false} havoc #t~ret4; {349#false} is VALID [2020-07-11 00:47:49,923 INFO L280 TraceCheckUtils]: 15: Hoare triple {349#false} assume 3 != ~result~0; {349#false} is VALID [2020-07-11 00:47:49,923 INFO L280 TraceCheckUtils]: 16: Hoare triple {349#false} assume !false; {349#false} is VALID [2020-07-11 00:47:49,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 00:47:49,929 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1211594583] [2020-07-11 00:47:49,929 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 00:47:49,929 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-11 00:47:49,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178717882] [2020-07-11 00:47:49,932 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-07-11 00:47:49,934 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:47:49,935 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-11 00:47:49,954 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:47:49,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-11 00:47:49,955 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:47:49,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-11 00:47:49,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-11 00:47:49,956 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand 5 states. [2020-07-11 00:47:50,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:47:50,240 INFO L93 Difference]: Finished difference Result 50 states and 58 transitions. [2020-07-11 00:47:50,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-11 00:47:50,240 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-07-11 00:47:50,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:47:50,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-11 00:47:50,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 55 transitions. [2020-07-11 00:47:50,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-11 00:47:50,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 55 transitions. [2020-07-11 00:47:50,249 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 55 transitions. [2020-07-11 00:47:50,316 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:47:50,320 INFO L225 Difference]: With dead ends: 50 [2020-07-11 00:47:50,320 INFO L226 Difference]: Without dead ends: 44 [2020-07-11 00:47:50,322 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-11 00:47:50,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-07-11 00:47:50,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 42. [2020-07-11 00:47:50,377 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:47:50,377 INFO L82 GeneralOperation]: Start isEquivalent. First operand 44 states. Second operand 42 states. [2020-07-11 00:47:50,377 INFO L74 IsIncluded]: Start isIncluded. First operand 44 states. Second operand 42 states. [2020-07-11 00:47:50,378 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 42 states. [2020-07-11 00:47:50,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:47:50,388 INFO L93 Difference]: Finished difference Result 44 states and 52 transitions. [2020-07-11 00:47:50,389 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2020-07-11 00:47:50,392 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:47:50,394 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:47:50,394 INFO L74 IsIncluded]: Start isIncluded. First operand 42 states. Second operand 44 states. [2020-07-11 00:47:50,394 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 44 states. [2020-07-11 00:47:50,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:47:50,403 INFO L93 Difference]: Finished difference Result 44 states and 52 transitions. [2020-07-11 00:47:50,404 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2020-07-11 00:47:50,405 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:47:50,405 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:47:50,405 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:47:50,406 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:47:50,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-07-11 00:47:50,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2020-07-11 00:47:50,410 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 17 [2020-07-11 00:47:50,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:47:50,411 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2020-07-11 00:47:50,411 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-11 00:47:50,411 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 42 states and 49 transitions. [2020-07-11 00:47:50,489 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:47:50,490 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2020-07-11 00:47:50,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-11 00:47:50,494 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:47:50,494 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 00:47:50,495 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-11 00:47:50,495 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:47:50,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:47:50,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1617834856, now seen corresponding path program 1 times [2020-07-11 00:47:50,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:47:50,499 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [997754232] [2020-07-11 00:47:50,499 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:47:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:50,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:50,580 INFO L280 TraceCheckUtils]: 0: Hoare triple {637#true} assume true; {637#true} is VALID [2020-07-11 00:47:50,580 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {637#true} {637#true} #59#return; {637#true} is VALID [2020-07-11 00:47:50,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:50,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:50,662 INFO L280 TraceCheckUtils]: 0: Hoare triple {637#true} ~n := #in~n; {676#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:47:50,663 INFO L280 TraceCheckUtils]: 1: Hoare triple {676#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:47:50,663 INFO L280 TraceCheckUtils]: 2: Hoare triple {677#(<= |fibo2_#in~n| 0)} #res := 0; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:47:50,664 INFO L280 TraceCheckUtils]: 3: Hoare triple {677#(<= |fibo2_#in~n| 0)} assume true; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:47:50,665 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {677#(<= |fibo2_#in~n| 0)} {665#(< 1 fibo1_~n)} #69#return; {638#false} is VALID [2020-07-11 00:47:50,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:50,671 INFO L280 TraceCheckUtils]: 0: Hoare triple {637#true} ~n := #in~n; {637#true} is VALID [2020-07-11 00:47:50,672 INFO L280 TraceCheckUtils]: 1: Hoare triple {637#true} assume ~n < 1; {637#true} is VALID [2020-07-11 00:47:50,672 INFO L280 TraceCheckUtils]: 2: Hoare triple {637#true} #res := 0; {637#true} is VALID [2020-07-11 00:47:50,672 INFO L280 TraceCheckUtils]: 3: Hoare triple {637#true} assume true; {637#true} is VALID [2020-07-11 00:47:50,673 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {637#true} {638#false} #71#return; {638#false} is VALID [2020-07-11 00:47:50,673 INFO L280 TraceCheckUtils]: 0: Hoare triple {637#true} ~n := #in~n; {637#true} is VALID [2020-07-11 00:47:50,674 INFO L280 TraceCheckUtils]: 1: Hoare triple {637#true} assume !(~n < 1); {664#(< 0 fibo1_~n)} is VALID [2020-07-11 00:47:50,675 INFO L280 TraceCheckUtils]: 2: Hoare triple {664#(< 0 fibo1_~n)} assume !(1 == ~n); {665#(< 1 fibo1_~n)} is VALID [2020-07-11 00:47:50,675 INFO L263 TraceCheckUtils]: 3: Hoare triple {665#(< 1 fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {637#true} is VALID [2020-07-11 00:47:50,676 INFO L280 TraceCheckUtils]: 4: Hoare triple {637#true} ~n := #in~n; {676#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:47:50,677 INFO L280 TraceCheckUtils]: 5: Hoare triple {676#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:47:50,677 INFO L280 TraceCheckUtils]: 6: Hoare triple {677#(<= |fibo2_#in~n| 0)} #res := 0; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:47:50,678 INFO L280 TraceCheckUtils]: 7: Hoare triple {677#(<= |fibo2_#in~n| 0)} assume true; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:47:50,679 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {677#(<= |fibo2_#in~n| 0)} {665#(< 1 fibo1_~n)} #69#return; {638#false} is VALID [2020-07-11 00:47:50,680 INFO L280 TraceCheckUtils]: 9: Hoare triple {638#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {638#false} is VALID [2020-07-11 00:47:50,680 INFO L263 TraceCheckUtils]: 10: Hoare triple {638#false} call #t~ret1 := fibo2(~n - 2); {637#true} is VALID [2020-07-11 00:47:50,680 INFO L280 TraceCheckUtils]: 11: Hoare triple {637#true} ~n := #in~n; {637#true} is VALID [2020-07-11 00:47:50,680 INFO L280 TraceCheckUtils]: 12: Hoare triple {637#true} assume ~n < 1; {637#true} is VALID [2020-07-11 00:47:50,681 INFO L280 TraceCheckUtils]: 13: Hoare triple {637#true} #res := 0; {637#true} is VALID [2020-07-11 00:47:50,681 INFO L280 TraceCheckUtils]: 14: Hoare triple {637#true} assume true; {637#true} is VALID [2020-07-11 00:47:50,681 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {637#true} {638#false} #71#return; {638#false} is VALID [2020-07-11 00:47:50,682 INFO L280 TraceCheckUtils]: 16: Hoare triple {638#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {638#false} is VALID [2020-07-11 00:47:50,682 INFO L280 TraceCheckUtils]: 17: Hoare triple {638#false} #res := #t~ret0 + #t~ret1; {638#false} is VALID [2020-07-11 00:47:50,682 INFO L280 TraceCheckUtils]: 18: Hoare triple {638#false} havoc #t~ret1; {638#false} is VALID [2020-07-11 00:47:50,683 INFO L280 TraceCheckUtils]: 19: Hoare triple {638#false} havoc #t~ret0; {638#false} is VALID [2020-07-11 00:47:50,683 INFO L280 TraceCheckUtils]: 20: Hoare triple {638#false} assume true; {638#false} is VALID [2020-07-11 00:47:50,683 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {638#false} {641#(<= 4 main_~x~0)} #63#return; {638#false} is VALID [2020-07-11 00:47:50,685 INFO L263 TraceCheckUtils]: 0: Hoare triple {637#true} call ULTIMATE.init(); {637#true} is VALID [2020-07-11 00:47:50,685 INFO L280 TraceCheckUtils]: 1: Hoare triple {637#true} assume true; {637#true} is VALID [2020-07-11 00:47:50,686 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {637#true} {637#true} #59#return; {637#true} is VALID [2020-07-11 00:47:50,686 INFO L263 TraceCheckUtils]: 3: Hoare triple {637#true} call #t~ret5 := main(); {637#true} is VALID [2020-07-11 00:47:50,687 INFO L280 TraceCheckUtils]: 4: Hoare triple {637#true} ~x~0 := 4; {641#(<= 4 main_~x~0)} is VALID [2020-07-11 00:47:50,687 INFO L263 TraceCheckUtils]: 5: Hoare triple {641#(<= 4 main_~x~0)} call #t~ret4 := fibo1(~x~0); {637#true} is VALID [2020-07-11 00:47:50,687 INFO L280 TraceCheckUtils]: 6: Hoare triple {637#true} ~n := #in~n; {637#true} is VALID [2020-07-11 00:47:50,688 INFO L280 TraceCheckUtils]: 7: Hoare triple {637#true} assume !(~n < 1); {664#(< 0 fibo1_~n)} is VALID [2020-07-11 00:47:50,689 INFO L280 TraceCheckUtils]: 8: Hoare triple {664#(< 0 fibo1_~n)} assume !(1 == ~n); {665#(< 1 fibo1_~n)} is VALID [2020-07-11 00:47:50,689 INFO L263 TraceCheckUtils]: 9: Hoare triple {665#(< 1 fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {637#true} is VALID [2020-07-11 00:47:50,690 INFO L280 TraceCheckUtils]: 10: Hoare triple {637#true} ~n := #in~n; {676#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:47:50,691 INFO L280 TraceCheckUtils]: 11: Hoare triple {676#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:47:50,691 INFO L280 TraceCheckUtils]: 12: Hoare triple {677#(<= |fibo2_#in~n| 0)} #res := 0; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:47:50,692 INFO L280 TraceCheckUtils]: 13: Hoare triple {677#(<= |fibo2_#in~n| 0)} assume true; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:47:50,693 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {677#(<= |fibo2_#in~n| 0)} {665#(< 1 fibo1_~n)} #69#return; {638#false} is VALID [2020-07-11 00:47:50,694 INFO L280 TraceCheckUtils]: 15: Hoare triple {638#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {638#false} is VALID [2020-07-11 00:47:50,694 INFO L263 TraceCheckUtils]: 16: Hoare triple {638#false} call #t~ret1 := fibo2(~n - 2); {637#true} is VALID [2020-07-11 00:47:50,694 INFO L280 TraceCheckUtils]: 17: Hoare triple {637#true} ~n := #in~n; {637#true} is VALID [2020-07-11 00:47:50,695 INFO L280 TraceCheckUtils]: 18: Hoare triple {637#true} assume ~n < 1; {637#true} is VALID [2020-07-11 00:47:50,695 INFO L280 TraceCheckUtils]: 19: Hoare triple {637#true} #res := 0; {637#true} is VALID [2020-07-11 00:47:50,695 INFO L280 TraceCheckUtils]: 20: Hoare triple {637#true} assume true; {637#true} is VALID [2020-07-11 00:47:50,696 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {637#true} {638#false} #71#return; {638#false} is VALID [2020-07-11 00:47:50,696 INFO L280 TraceCheckUtils]: 22: Hoare triple {638#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {638#false} is VALID [2020-07-11 00:47:50,696 INFO L280 TraceCheckUtils]: 23: Hoare triple {638#false} #res := #t~ret0 + #t~ret1; {638#false} is VALID [2020-07-11 00:47:50,696 INFO L280 TraceCheckUtils]: 24: Hoare triple {638#false} havoc #t~ret1; {638#false} is VALID [2020-07-11 00:47:50,697 INFO L280 TraceCheckUtils]: 25: Hoare triple {638#false} havoc #t~ret0; {638#false} is VALID [2020-07-11 00:47:50,697 INFO L280 TraceCheckUtils]: 26: Hoare triple {638#false} assume true; {638#false} is VALID [2020-07-11 00:47:50,697 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {638#false} {641#(<= 4 main_~x~0)} #63#return; {638#false} is VALID [2020-07-11 00:47:50,698 INFO L280 TraceCheckUtils]: 28: Hoare triple {638#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {638#false} is VALID [2020-07-11 00:47:50,698 INFO L280 TraceCheckUtils]: 29: Hoare triple {638#false} ~result~0 := #t~ret4; {638#false} is VALID [2020-07-11 00:47:50,698 INFO L280 TraceCheckUtils]: 30: Hoare triple {638#false} havoc #t~ret4; {638#false} is VALID [2020-07-11 00:47:50,699 INFO L280 TraceCheckUtils]: 31: Hoare triple {638#false} assume 3 != ~result~0; {638#false} is VALID [2020-07-11 00:47:50,699 INFO L280 TraceCheckUtils]: 32: Hoare triple {638#false} assume !false; {638#false} is VALID [2020-07-11 00:47:50,701 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-11 00:47:50,701 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [997754232] [2020-07-11 00:47:50,701 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 00:47:50,701 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-07-11 00:47:50,702 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046289502] [2020-07-11 00:47:50,702 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-07-11 00:47:50,703 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:47:50,703 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-11 00:47:50,733 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:47:50,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-11 00:47:50,733 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:47:50,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-11 00:47:50,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-11 00:47:50,734 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand 7 states. [2020-07-11 00:47:51,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:47:51,069 INFO L93 Difference]: Finished difference Result 82 states and 102 transitions. [2020-07-11 00:47:51,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-11 00:47:51,070 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-07-11 00:47:51,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:47:51,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-11 00:47:51,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 99 transitions. [2020-07-11 00:47:51,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-11 00:47:51,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 99 transitions. [2020-07-11 00:47:51,089 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 99 transitions. [2020-07-11 00:47:51,232 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 99 edges. 99 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:47:51,238 INFO L225 Difference]: With dead ends: 82 [2020-07-11 00:47:51,238 INFO L226 Difference]: Without dead ends: 46 [2020-07-11 00:47:51,240 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-11 00:47:51,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-07-11 00:47:51,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2020-07-11 00:47:51,299 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:47:51,300 INFO L82 GeneralOperation]: Start isEquivalent. First operand 46 states. Second operand 44 states. [2020-07-11 00:47:51,300 INFO L74 IsIncluded]: Start isIncluded. First operand 46 states. Second operand 44 states. [2020-07-11 00:47:51,300 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 44 states. [2020-07-11 00:47:51,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:47:51,305 INFO L93 Difference]: Finished difference Result 46 states and 54 transitions. [2020-07-11 00:47:51,305 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2020-07-11 00:47:51,306 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:47:51,306 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:47:51,306 INFO L74 IsIncluded]: Start isIncluded. First operand 44 states. Second operand 46 states. [2020-07-11 00:47:51,307 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 46 states. [2020-07-11 00:47:51,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:47:51,310 INFO L93 Difference]: Finished difference Result 46 states and 54 transitions. [2020-07-11 00:47:51,310 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2020-07-11 00:47:51,311 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:47:51,312 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:47:51,312 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:47:51,312 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:47:51,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-07-11 00:47:51,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2020-07-11 00:47:51,315 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 51 transitions. Word has length 33 [2020-07-11 00:47:51,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:47:51,316 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 51 transitions. [2020-07-11 00:47:51,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-11 00:47:51,316 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 44 states and 51 transitions. [2020-07-11 00:47:51,380 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:47:51,380 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2020-07-11 00:47:51,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-11 00:47:51,392 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:47:51,392 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 00:47:51,392 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-11 00:47:51,392 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:47:51,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:47:51,393 INFO L82 PathProgramCache]: Analyzing trace with hash 887160861, now seen corresponding path program 1 times [2020-07-11 00:47:51,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:47:51,393 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [91649869] [2020-07-11 00:47:51,394 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:47:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:51,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:51,434 INFO L280 TraceCheckUtils]: 0: Hoare triple {1026#true} assume true; {1026#true} is VALID [2020-07-11 00:47:51,434 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1026#true} {1026#true} #59#return; {1026#true} is VALID [2020-07-11 00:47:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:51,508 INFO L280 TraceCheckUtils]: 0: Hoare triple {1026#true} ~n := #in~n; {1067#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:47:51,509 INFO L280 TraceCheckUtils]: 1: Hoare triple {1067#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {1067#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:47:51,509 INFO L280 TraceCheckUtils]: 2: Hoare triple {1067#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:47:51,510 INFO L280 TraceCheckUtils]: 3: Hoare triple {1068#(<= |fibo2_#in~n| 1)} #res := 1; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:47:51,511 INFO L280 TraceCheckUtils]: 4: Hoare triple {1068#(<= |fibo2_#in~n| 1)} assume true; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:47:51,512 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1068#(<= |fibo2_#in~n| 1)} {1054#(= fibo1_~n |fibo1_#in~n|)} #69#return; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:47:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:51,519 INFO L280 TraceCheckUtils]: 0: Hoare triple {1026#true} ~n := #in~n; {1026#true} is VALID [2020-07-11 00:47:51,520 INFO L280 TraceCheckUtils]: 1: Hoare triple {1026#true} assume ~n < 1; {1026#true} is VALID [2020-07-11 00:47:51,520 INFO L280 TraceCheckUtils]: 2: Hoare triple {1026#true} #res := 0; {1026#true} is VALID [2020-07-11 00:47:51,520 INFO L280 TraceCheckUtils]: 3: Hoare triple {1026#true} assume true; {1026#true} is VALID [2020-07-11 00:47:51,521 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1026#true} {1061#(<= |fibo1_#in~n| 2)} #71#return; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:47:51,522 INFO L280 TraceCheckUtils]: 0: Hoare triple {1026#true} ~n := #in~n; {1054#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:51,523 INFO L280 TraceCheckUtils]: 1: Hoare triple {1054#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {1054#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:51,523 INFO L280 TraceCheckUtils]: 2: Hoare triple {1054#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {1054#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:51,523 INFO L263 TraceCheckUtils]: 3: Hoare triple {1054#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {1026#true} is VALID [2020-07-11 00:47:51,524 INFO L280 TraceCheckUtils]: 4: Hoare triple {1026#true} ~n := #in~n; {1067#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:47:51,525 INFO L280 TraceCheckUtils]: 5: Hoare triple {1067#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {1067#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:47:51,525 INFO L280 TraceCheckUtils]: 6: Hoare triple {1067#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:47:51,526 INFO L280 TraceCheckUtils]: 7: Hoare triple {1068#(<= |fibo2_#in~n| 1)} #res := 1; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:47:51,527 INFO L280 TraceCheckUtils]: 8: Hoare triple {1068#(<= |fibo2_#in~n| 1)} assume true; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:47:51,528 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {1068#(<= |fibo2_#in~n| 1)} {1054#(= fibo1_~n |fibo1_#in~n|)} #69#return; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:47:51,529 INFO L280 TraceCheckUtils]: 10: Hoare triple {1061#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:47:51,529 INFO L263 TraceCheckUtils]: 11: Hoare triple {1061#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {1026#true} is VALID [2020-07-11 00:47:51,529 INFO L280 TraceCheckUtils]: 12: Hoare triple {1026#true} ~n := #in~n; {1026#true} is VALID [2020-07-11 00:47:51,529 INFO L280 TraceCheckUtils]: 13: Hoare triple {1026#true} assume ~n < 1; {1026#true} is VALID [2020-07-11 00:47:51,530 INFO L280 TraceCheckUtils]: 14: Hoare triple {1026#true} #res := 0; {1026#true} is VALID [2020-07-11 00:47:51,530 INFO L280 TraceCheckUtils]: 15: Hoare triple {1026#true} assume true; {1026#true} is VALID [2020-07-11 00:47:51,531 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {1026#true} {1061#(<= |fibo1_#in~n| 2)} #71#return; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:47:51,532 INFO L280 TraceCheckUtils]: 17: Hoare triple {1061#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:47:51,532 INFO L280 TraceCheckUtils]: 18: Hoare triple {1061#(<= |fibo1_#in~n| 2)} #res := #t~ret0 + #t~ret1; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:47:51,533 INFO L280 TraceCheckUtils]: 19: Hoare triple {1061#(<= |fibo1_#in~n| 2)} havoc #t~ret1; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:47:51,533 INFO L280 TraceCheckUtils]: 20: Hoare triple {1061#(<= |fibo1_#in~n| 2)} havoc #t~ret0; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:47:51,534 INFO L280 TraceCheckUtils]: 21: Hoare triple {1061#(<= |fibo1_#in~n| 2)} assume true; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:47:51,535 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {1061#(<= |fibo1_#in~n| 2)} {1030#(<= 4 main_~x~0)} #63#return; {1027#false} is VALID [2020-07-11 00:47:51,536 INFO L263 TraceCheckUtils]: 0: Hoare triple {1026#true} call ULTIMATE.init(); {1026#true} is VALID [2020-07-11 00:47:51,537 INFO L280 TraceCheckUtils]: 1: Hoare triple {1026#true} assume true; {1026#true} is VALID [2020-07-11 00:47:51,537 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1026#true} {1026#true} #59#return; {1026#true} is VALID [2020-07-11 00:47:51,537 INFO L263 TraceCheckUtils]: 3: Hoare triple {1026#true} call #t~ret5 := main(); {1026#true} is VALID [2020-07-11 00:47:51,538 INFO L280 TraceCheckUtils]: 4: Hoare triple {1026#true} ~x~0 := 4; {1030#(<= 4 main_~x~0)} is VALID [2020-07-11 00:47:51,538 INFO L263 TraceCheckUtils]: 5: Hoare triple {1030#(<= 4 main_~x~0)} call #t~ret4 := fibo1(~x~0); {1026#true} is VALID [2020-07-11 00:47:51,539 INFO L280 TraceCheckUtils]: 6: Hoare triple {1026#true} ~n := #in~n; {1054#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:51,539 INFO L280 TraceCheckUtils]: 7: Hoare triple {1054#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {1054#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:51,540 INFO L280 TraceCheckUtils]: 8: Hoare triple {1054#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {1054#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:51,540 INFO L263 TraceCheckUtils]: 9: Hoare triple {1054#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {1026#true} is VALID [2020-07-11 00:47:51,541 INFO L280 TraceCheckUtils]: 10: Hoare triple {1026#true} ~n := #in~n; {1067#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:47:51,541 INFO L280 TraceCheckUtils]: 11: Hoare triple {1067#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {1067#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:47:51,542 INFO L280 TraceCheckUtils]: 12: Hoare triple {1067#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:47:51,543 INFO L280 TraceCheckUtils]: 13: Hoare triple {1068#(<= |fibo2_#in~n| 1)} #res := 1; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:47:51,543 INFO L280 TraceCheckUtils]: 14: Hoare triple {1068#(<= |fibo2_#in~n| 1)} assume true; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:47:51,545 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {1068#(<= |fibo2_#in~n| 1)} {1054#(= fibo1_~n |fibo1_#in~n|)} #69#return; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:47:51,545 INFO L280 TraceCheckUtils]: 16: Hoare triple {1061#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:47:51,546 INFO L263 TraceCheckUtils]: 17: Hoare triple {1061#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {1026#true} is VALID [2020-07-11 00:47:51,546 INFO L280 TraceCheckUtils]: 18: Hoare triple {1026#true} ~n := #in~n; {1026#true} is VALID [2020-07-11 00:47:51,546 INFO L280 TraceCheckUtils]: 19: Hoare triple {1026#true} assume ~n < 1; {1026#true} is VALID [2020-07-11 00:47:51,547 INFO L280 TraceCheckUtils]: 20: Hoare triple {1026#true} #res := 0; {1026#true} is VALID [2020-07-11 00:47:51,547 INFO L280 TraceCheckUtils]: 21: Hoare triple {1026#true} assume true; {1026#true} is VALID [2020-07-11 00:47:51,548 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {1026#true} {1061#(<= |fibo1_#in~n| 2)} #71#return; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:47:51,548 INFO L280 TraceCheckUtils]: 23: Hoare triple {1061#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:47:51,549 INFO L280 TraceCheckUtils]: 24: Hoare triple {1061#(<= |fibo1_#in~n| 2)} #res := #t~ret0 + #t~ret1; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:47:51,550 INFO L280 TraceCheckUtils]: 25: Hoare triple {1061#(<= |fibo1_#in~n| 2)} havoc #t~ret1; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:47:51,550 INFO L280 TraceCheckUtils]: 26: Hoare triple {1061#(<= |fibo1_#in~n| 2)} havoc #t~ret0; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:47:51,551 INFO L280 TraceCheckUtils]: 27: Hoare triple {1061#(<= |fibo1_#in~n| 2)} assume true; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:47:51,552 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {1061#(<= |fibo1_#in~n| 2)} {1030#(<= 4 main_~x~0)} #63#return; {1027#false} is VALID [2020-07-11 00:47:51,552 INFO L280 TraceCheckUtils]: 29: Hoare triple {1027#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {1027#false} is VALID [2020-07-11 00:47:51,552 INFO L280 TraceCheckUtils]: 30: Hoare triple {1027#false} ~result~0 := #t~ret4; {1027#false} is VALID [2020-07-11 00:47:51,553 INFO L280 TraceCheckUtils]: 31: Hoare triple {1027#false} havoc #t~ret4; {1027#false} is VALID [2020-07-11 00:47:51,553 INFO L280 TraceCheckUtils]: 32: Hoare triple {1027#false} assume 3 != ~result~0; {1027#false} is VALID [2020-07-11 00:47:51,553 INFO L280 TraceCheckUtils]: 33: Hoare triple {1027#false} assume !false; {1027#false} is VALID [2020-07-11 00:47:51,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-11 00:47:51,555 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [91649869] [2020-07-11 00:47:51,556 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 00:47:51,556 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-07-11 00:47:51,556 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002623929] [2020-07-11 00:47:51,557 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2020-07-11 00:47:51,557 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:47:51,557 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-11 00:47:51,592 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:47:51,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-11 00:47:51,593 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:47:51,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-11 00:47:51,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-11 00:47:51,594 INFO L87 Difference]: Start difference. First operand 44 states and 51 transitions. Second operand 7 states. [2020-07-11 00:47:52,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:47:52,268 INFO L93 Difference]: Finished difference Result 74 states and 94 transitions. [2020-07-11 00:47:52,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-11 00:47:52,269 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2020-07-11 00:47:52,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:47:52,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-11 00:47:52,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 86 transitions. [2020-07-11 00:47:52,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-11 00:47:52,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 86 transitions. [2020-07-11 00:47:52,283 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 86 transitions. [2020-07-11 00:47:52,394 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 86 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:47:52,402 INFO L225 Difference]: With dead ends: 74 [2020-07-11 00:47:52,402 INFO L226 Difference]: Without dead ends: 68 [2020-07-11 00:47:52,403 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-07-11 00:47:52,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-07-11 00:47:52,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2020-07-11 00:47:52,523 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:47:52,523 INFO L82 GeneralOperation]: Start isEquivalent. First operand 68 states. Second operand 66 states. [2020-07-11 00:47:52,523 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand 66 states. [2020-07-11 00:47:52,523 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 66 states. [2020-07-11 00:47:52,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:47:52,532 INFO L93 Difference]: Finished difference Result 68 states and 88 transitions. [2020-07-11 00:47:52,532 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2020-07-11 00:47:52,533 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:47:52,533 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:47:52,533 INFO L74 IsIncluded]: Start isIncluded. First operand 66 states. Second operand 68 states. [2020-07-11 00:47:52,533 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 68 states. [2020-07-11 00:47:52,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:47:52,539 INFO L93 Difference]: Finished difference Result 68 states and 88 transitions. [2020-07-11 00:47:52,539 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2020-07-11 00:47:52,540 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:47:52,540 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:47:52,540 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:47:52,541 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:47:52,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-07-11 00:47:52,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 83 transitions. [2020-07-11 00:47:52,545 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 83 transitions. Word has length 34 [2020-07-11 00:47:52,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:47:52,546 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 83 transitions. [2020-07-11 00:47:52,546 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-11 00:47:52,546 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 66 states and 83 transitions. [2020-07-11 00:47:52,644 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:47:52,644 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2020-07-11 00:47:52,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-07-11 00:47:52,646 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:47:52,646 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 00:47:52,646 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-11 00:47:52,647 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:47:52,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:47:52,647 INFO L82 PathProgramCache]: Analyzing trace with hash 1875452576, now seen corresponding path program 1 times [2020-07-11 00:47:52,647 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:47:52,648 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [667628768] [2020-07-11 00:47:52,648 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:47:52,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:52,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:52,680 INFO L280 TraceCheckUtils]: 0: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-11 00:47:52,680 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1492#true} {1492#true} #59#return; {1492#true} is VALID [2020-07-11 00:47:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:52,805 INFO L280 TraceCheckUtils]: 0: Hoare triple {1492#true} ~n := #in~n; {1574#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:52,806 INFO L280 TraceCheckUtils]: 1: Hoare triple {1574#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:47:52,807 INFO L280 TraceCheckUtils]: 2: Hoare triple {1575#(<= |fibo1_#in~n| 0)} #res := 0; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:47:52,808 INFO L280 TraceCheckUtils]: 3: Hoare triple {1575#(<= |fibo1_#in~n| 0)} assume true; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:47:52,809 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1575#(<= |fibo1_#in~n| 0)} {1563#(< 1 fibo2_~n)} #65#return; {1493#false} is VALID [2020-07-11 00:47:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:52,814 INFO L280 TraceCheckUtils]: 0: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-11 00:47:52,814 INFO L280 TraceCheckUtils]: 1: Hoare triple {1492#true} assume ~n < 1; {1492#true} is VALID [2020-07-11 00:47:52,814 INFO L280 TraceCheckUtils]: 2: Hoare triple {1492#true} #res := 0; {1492#true} is VALID [2020-07-11 00:47:52,815 INFO L280 TraceCheckUtils]: 3: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-11 00:47:52,815 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1492#true} {1493#false} #67#return; {1493#false} is VALID [2020-07-11 00:47:52,815 INFO L280 TraceCheckUtils]: 0: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-11 00:47:52,816 INFO L280 TraceCheckUtils]: 1: Hoare triple {1492#true} assume !(~n < 1); {1562#(< 0 fibo2_~n)} is VALID [2020-07-11 00:47:52,818 INFO L280 TraceCheckUtils]: 2: Hoare triple {1562#(< 0 fibo2_~n)} assume !(1 == ~n); {1563#(< 1 fibo2_~n)} is VALID [2020-07-11 00:47:52,818 INFO L263 TraceCheckUtils]: 3: Hoare triple {1563#(< 1 fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {1492#true} is VALID [2020-07-11 00:47:52,819 INFO L280 TraceCheckUtils]: 4: Hoare triple {1492#true} ~n := #in~n; {1574#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:52,820 INFO L280 TraceCheckUtils]: 5: Hoare triple {1574#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:47:52,821 INFO L280 TraceCheckUtils]: 6: Hoare triple {1575#(<= |fibo1_#in~n| 0)} #res := 0; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:47:52,822 INFO L280 TraceCheckUtils]: 7: Hoare triple {1575#(<= |fibo1_#in~n| 0)} assume true; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:47:52,823 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1575#(<= |fibo1_#in~n| 0)} {1563#(< 1 fibo2_~n)} #65#return; {1493#false} is VALID [2020-07-11 00:47:52,824 INFO L280 TraceCheckUtils]: 9: Hoare triple {1493#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1493#false} is VALID [2020-07-11 00:47:52,824 INFO L263 TraceCheckUtils]: 10: Hoare triple {1493#false} call #t~ret3 := fibo1(~n - 2); {1492#true} is VALID [2020-07-11 00:47:52,824 INFO L280 TraceCheckUtils]: 11: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-11 00:47:52,824 INFO L280 TraceCheckUtils]: 12: Hoare triple {1492#true} assume ~n < 1; {1492#true} is VALID [2020-07-11 00:47:52,825 INFO L280 TraceCheckUtils]: 13: Hoare triple {1492#true} #res := 0; {1492#true} is VALID [2020-07-11 00:47:52,825 INFO L280 TraceCheckUtils]: 14: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-11 00:47:52,825 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {1492#true} {1493#false} #67#return; {1493#false} is VALID [2020-07-11 00:47:52,826 INFO L280 TraceCheckUtils]: 16: Hoare triple {1493#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {1493#false} is VALID [2020-07-11 00:47:52,826 INFO L280 TraceCheckUtils]: 17: Hoare triple {1493#false} #res := #t~ret2 + #t~ret3; {1493#false} is VALID [2020-07-11 00:47:52,826 INFO L280 TraceCheckUtils]: 18: Hoare triple {1493#false} havoc #t~ret3; {1493#false} is VALID [2020-07-11 00:47:52,827 INFO L280 TraceCheckUtils]: 19: Hoare triple {1493#false} havoc #t~ret2; {1493#false} is VALID [2020-07-11 00:47:52,827 INFO L280 TraceCheckUtils]: 20: Hoare triple {1493#false} assume true; {1493#false} is VALID [2020-07-11 00:47:52,827 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {1493#false} {1492#true} #69#return; {1493#false} is VALID [2020-07-11 00:47:52,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:52,836 INFO L280 TraceCheckUtils]: 0: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-11 00:47:52,836 INFO L280 TraceCheckUtils]: 1: Hoare triple {1492#true} assume ~n < 1; {1492#true} is VALID [2020-07-11 00:47:52,837 INFO L280 TraceCheckUtils]: 2: Hoare triple {1492#true} #res := 0; {1492#true} is VALID [2020-07-11 00:47:52,837 INFO L280 TraceCheckUtils]: 3: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-11 00:47:52,837 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1492#true} {1493#false} #71#return; {1493#false} is VALID [2020-07-11 00:47:52,838 INFO L280 TraceCheckUtils]: 0: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-11 00:47:52,838 INFO L280 TraceCheckUtils]: 1: Hoare triple {1492#true} assume !(~n < 1); {1492#true} is VALID [2020-07-11 00:47:52,838 INFO L280 TraceCheckUtils]: 2: Hoare triple {1492#true} assume !(1 == ~n); {1492#true} is VALID [2020-07-11 00:47:52,838 INFO L263 TraceCheckUtils]: 3: Hoare triple {1492#true} call #t~ret0 := fibo2(~n - 1); {1492#true} is VALID [2020-07-11 00:47:52,839 INFO L280 TraceCheckUtils]: 4: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-11 00:47:52,840 INFO L280 TraceCheckUtils]: 5: Hoare triple {1492#true} assume !(~n < 1); {1562#(< 0 fibo2_~n)} is VALID [2020-07-11 00:47:52,840 INFO L280 TraceCheckUtils]: 6: Hoare triple {1562#(< 0 fibo2_~n)} assume !(1 == ~n); {1563#(< 1 fibo2_~n)} is VALID [2020-07-11 00:47:52,841 INFO L263 TraceCheckUtils]: 7: Hoare triple {1563#(< 1 fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {1492#true} is VALID [2020-07-11 00:47:52,841 INFO L280 TraceCheckUtils]: 8: Hoare triple {1492#true} ~n := #in~n; {1574#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:52,842 INFO L280 TraceCheckUtils]: 9: Hoare triple {1574#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:47:52,843 INFO L280 TraceCheckUtils]: 10: Hoare triple {1575#(<= |fibo1_#in~n| 0)} #res := 0; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:47:52,843 INFO L280 TraceCheckUtils]: 11: Hoare triple {1575#(<= |fibo1_#in~n| 0)} assume true; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:47:52,844 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {1575#(<= |fibo1_#in~n| 0)} {1563#(< 1 fibo2_~n)} #65#return; {1493#false} is VALID [2020-07-11 00:47:52,845 INFO L280 TraceCheckUtils]: 13: Hoare triple {1493#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1493#false} is VALID [2020-07-11 00:47:52,845 INFO L263 TraceCheckUtils]: 14: Hoare triple {1493#false} call #t~ret3 := fibo1(~n - 2); {1492#true} is VALID [2020-07-11 00:47:52,845 INFO L280 TraceCheckUtils]: 15: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-11 00:47:52,846 INFO L280 TraceCheckUtils]: 16: Hoare triple {1492#true} assume ~n < 1; {1492#true} is VALID [2020-07-11 00:47:52,846 INFO L280 TraceCheckUtils]: 17: Hoare triple {1492#true} #res := 0; {1492#true} is VALID [2020-07-11 00:47:52,846 INFO L280 TraceCheckUtils]: 18: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-11 00:47:52,846 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {1492#true} {1493#false} #67#return; {1493#false} is VALID [2020-07-11 00:47:52,847 INFO L280 TraceCheckUtils]: 20: Hoare triple {1493#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {1493#false} is VALID [2020-07-11 00:47:52,847 INFO L280 TraceCheckUtils]: 21: Hoare triple {1493#false} #res := #t~ret2 + #t~ret3; {1493#false} is VALID [2020-07-11 00:47:52,847 INFO L280 TraceCheckUtils]: 22: Hoare triple {1493#false} havoc #t~ret3; {1493#false} is VALID [2020-07-11 00:47:52,847 INFO L280 TraceCheckUtils]: 23: Hoare triple {1493#false} havoc #t~ret2; {1493#false} is VALID [2020-07-11 00:47:52,848 INFO L280 TraceCheckUtils]: 24: Hoare triple {1493#false} assume true; {1493#false} is VALID [2020-07-11 00:47:52,848 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {1493#false} {1492#true} #69#return; {1493#false} is VALID [2020-07-11 00:47:52,848 INFO L280 TraceCheckUtils]: 26: Hoare triple {1493#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1493#false} is VALID [2020-07-11 00:47:52,848 INFO L263 TraceCheckUtils]: 27: Hoare triple {1493#false} call #t~ret1 := fibo2(~n - 2); {1492#true} is VALID [2020-07-11 00:47:52,849 INFO L280 TraceCheckUtils]: 28: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-11 00:47:52,849 INFO L280 TraceCheckUtils]: 29: Hoare triple {1492#true} assume ~n < 1; {1492#true} is VALID [2020-07-11 00:47:52,849 INFO L280 TraceCheckUtils]: 30: Hoare triple {1492#true} #res := 0; {1492#true} is VALID [2020-07-11 00:47:52,849 INFO L280 TraceCheckUtils]: 31: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-11 00:47:52,850 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {1492#true} {1493#false} #71#return; {1493#false} is VALID [2020-07-11 00:47:52,850 INFO L280 TraceCheckUtils]: 33: Hoare triple {1493#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1493#false} is VALID [2020-07-11 00:47:52,850 INFO L280 TraceCheckUtils]: 34: Hoare triple {1493#false} #res := #t~ret0 + #t~ret1; {1493#false} is VALID [2020-07-11 00:47:52,850 INFO L280 TraceCheckUtils]: 35: Hoare triple {1493#false} havoc #t~ret1; {1493#false} is VALID [2020-07-11 00:47:52,851 INFO L280 TraceCheckUtils]: 36: Hoare triple {1493#false} havoc #t~ret0; {1493#false} is VALID [2020-07-11 00:47:52,851 INFO L280 TraceCheckUtils]: 37: Hoare triple {1493#false} assume true; {1493#false} is VALID [2020-07-11 00:47:52,851 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {1493#false} {1492#true} #63#return; {1493#false} is VALID [2020-07-11 00:47:52,853 INFO L263 TraceCheckUtils]: 0: Hoare triple {1492#true} call ULTIMATE.init(); {1492#true} is VALID [2020-07-11 00:47:52,853 INFO L280 TraceCheckUtils]: 1: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-11 00:47:52,853 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1492#true} {1492#true} #59#return; {1492#true} is VALID [2020-07-11 00:47:52,853 INFO L263 TraceCheckUtils]: 3: Hoare triple {1492#true} call #t~ret5 := main(); {1492#true} is VALID [2020-07-11 00:47:52,854 INFO L280 TraceCheckUtils]: 4: Hoare triple {1492#true} ~x~0 := 4; {1492#true} is VALID [2020-07-11 00:47:52,854 INFO L263 TraceCheckUtils]: 5: Hoare triple {1492#true} call #t~ret4 := fibo1(~x~0); {1492#true} is VALID [2020-07-11 00:47:52,854 INFO L280 TraceCheckUtils]: 6: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-11 00:47:52,854 INFO L280 TraceCheckUtils]: 7: Hoare triple {1492#true} assume !(~n < 1); {1492#true} is VALID [2020-07-11 00:47:52,855 INFO L280 TraceCheckUtils]: 8: Hoare triple {1492#true} assume !(1 == ~n); {1492#true} is VALID [2020-07-11 00:47:52,855 INFO L263 TraceCheckUtils]: 9: Hoare triple {1492#true} call #t~ret0 := fibo2(~n - 1); {1492#true} is VALID [2020-07-11 00:47:52,855 INFO L280 TraceCheckUtils]: 10: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-11 00:47:52,856 INFO L280 TraceCheckUtils]: 11: Hoare triple {1492#true} assume !(~n < 1); {1562#(< 0 fibo2_~n)} is VALID [2020-07-11 00:47:52,857 INFO L280 TraceCheckUtils]: 12: Hoare triple {1562#(< 0 fibo2_~n)} assume !(1 == ~n); {1563#(< 1 fibo2_~n)} is VALID [2020-07-11 00:47:52,857 INFO L263 TraceCheckUtils]: 13: Hoare triple {1563#(< 1 fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {1492#true} is VALID [2020-07-11 00:47:52,857 INFO L280 TraceCheckUtils]: 14: Hoare triple {1492#true} ~n := #in~n; {1574#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:52,858 INFO L280 TraceCheckUtils]: 15: Hoare triple {1574#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:47:52,859 INFO L280 TraceCheckUtils]: 16: Hoare triple {1575#(<= |fibo1_#in~n| 0)} #res := 0; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:47:52,859 INFO L280 TraceCheckUtils]: 17: Hoare triple {1575#(<= |fibo1_#in~n| 0)} assume true; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:47:52,861 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {1575#(<= |fibo1_#in~n| 0)} {1563#(< 1 fibo2_~n)} #65#return; {1493#false} is VALID [2020-07-11 00:47:52,861 INFO L280 TraceCheckUtils]: 19: Hoare triple {1493#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1493#false} is VALID [2020-07-11 00:47:52,861 INFO L263 TraceCheckUtils]: 20: Hoare triple {1493#false} call #t~ret3 := fibo1(~n - 2); {1492#true} is VALID [2020-07-11 00:47:52,862 INFO L280 TraceCheckUtils]: 21: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-11 00:47:52,862 INFO L280 TraceCheckUtils]: 22: Hoare triple {1492#true} assume ~n < 1; {1492#true} is VALID [2020-07-11 00:47:52,862 INFO L280 TraceCheckUtils]: 23: Hoare triple {1492#true} #res := 0; {1492#true} is VALID [2020-07-11 00:47:52,862 INFO L280 TraceCheckUtils]: 24: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-11 00:47:52,863 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {1492#true} {1493#false} #67#return; {1493#false} is VALID [2020-07-11 00:47:52,863 INFO L280 TraceCheckUtils]: 26: Hoare triple {1493#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {1493#false} is VALID [2020-07-11 00:47:52,863 INFO L280 TraceCheckUtils]: 27: Hoare triple {1493#false} #res := #t~ret2 + #t~ret3; {1493#false} is VALID [2020-07-11 00:47:52,863 INFO L280 TraceCheckUtils]: 28: Hoare triple {1493#false} havoc #t~ret3; {1493#false} is VALID [2020-07-11 00:47:52,864 INFO L280 TraceCheckUtils]: 29: Hoare triple {1493#false} havoc #t~ret2; {1493#false} is VALID [2020-07-11 00:47:52,864 INFO L280 TraceCheckUtils]: 30: Hoare triple {1493#false} assume true; {1493#false} is VALID [2020-07-11 00:47:52,864 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {1493#false} {1492#true} #69#return; {1493#false} is VALID [2020-07-11 00:47:52,864 INFO L280 TraceCheckUtils]: 32: Hoare triple {1493#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1493#false} is VALID [2020-07-11 00:47:52,864 INFO L263 TraceCheckUtils]: 33: Hoare triple {1493#false} call #t~ret1 := fibo2(~n - 2); {1492#true} is VALID [2020-07-11 00:47:52,865 INFO L280 TraceCheckUtils]: 34: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-11 00:47:52,865 INFO L280 TraceCheckUtils]: 35: Hoare triple {1492#true} assume ~n < 1; {1492#true} is VALID [2020-07-11 00:47:52,865 INFO L280 TraceCheckUtils]: 36: Hoare triple {1492#true} #res := 0; {1492#true} is VALID [2020-07-11 00:47:52,865 INFO L280 TraceCheckUtils]: 37: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-11 00:47:52,866 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {1492#true} {1493#false} #71#return; {1493#false} is VALID [2020-07-11 00:47:52,866 INFO L280 TraceCheckUtils]: 39: Hoare triple {1493#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1493#false} is VALID [2020-07-11 00:47:52,866 INFO L280 TraceCheckUtils]: 40: Hoare triple {1493#false} #res := #t~ret0 + #t~ret1; {1493#false} is VALID [2020-07-11 00:47:52,866 INFO L280 TraceCheckUtils]: 41: Hoare triple {1493#false} havoc #t~ret1; {1493#false} is VALID [2020-07-11 00:47:52,867 INFO L280 TraceCheckUtils]: 42: Hoare triple {1493#false} havoc #t~ret0; {1493#false} is VALID [2020-07-11 00:47:52,867 INFO L280 TraceCheckUtils]: 43: Hoare triple {1493#false} assume true; {1493#false} is VALID [2020-07-11 00:47:52,867 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {1493#false} {1492#true} #63#return; {1493#false} is VALID [2020-07-11 00:47:52,867 INFO L280 TraceCheckUtils]: 45: Hoare triple {1493#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {1493#false} is VALID [2020-07-11 00:47:52,868 INFO L280 TraceCheckUtils]: 46: Hoare triple {1493#false} ~result~0 := #t~ret4; {1493#false} is VALID [2020-07-11 00:47:52,868 INFO L280 TraceCheckUtils]: 47: Hoare triple {1493#false} havoc #t~ret4; {1493#false} is VALID [2020-07-11 00:47:52,868 INFO L280 TraceCheckUtils]: 48: Hoare triple {1493#false} assume 3 != ~result~0; {1493#false} is VALID [2020-07-11 00:47:52,868 INFO L280 TraceCheckUtils]: 49: Hoare triple {1493#false} assume !false; {1493#false} is VALID [2020-07-11 00:47:52,871 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-11 00:47:52,871 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [667628768] [2020-07-11 00:47:52,871 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 00:47:52,871 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-07-11 00:47:52,872 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674586988] [2020-07-11 00:47:52,872 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-07-11 00:47:52,873 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:47:52,873 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-11 00:47:52,918 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:47:52,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-11 00:47:52,918 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:47:52,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-11 00:47:52,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-11 00:47:52,919 INFO L87 Difference]: Start difference. First operand 66 states and 83 transitions. Second operand 6 states. [2020-07-11 00:47:53,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:47:53,311 INFO L93 Difference]: Finished difference Result 130 states and 178 transitions. [2020-07-11 00:47:53,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-11 00:47:53,312 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-07-11 00:47:53,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:47:53,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-11 00:47:53,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 98 transitions. [2020-07-11 00:47:53,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-11 00:47:53,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 98 transitions. [2020-07-11 00:47:53,318 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 98 transitions. [2020-07-11 00:47:53,435 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 98 edges. 98 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:47:53,440 INFO L225 Difference]: With dead ends: 130 [2020-07-11 00:47:53,440 INFO L226 Difference]: Without dead ends: 70 [2020-07-11 00:47:53,442 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-11 00:47:53,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-07-11 00:47:53,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2020-07-11 00:47:53,551 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:47:53,551 INFO L82 GeneralOperation]: Start isEquivalent. First operand 70 states. Second operand 70 states. [2020-07-11 00:47:53,551 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand 70 states. [2020-07-11 00:47:53,552 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 70 states. [2020-07-11 00:47:53,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:47:53,557 INFO L93 Difference]: Finished difference Result 70 states and 89 transitions. [2020-07-11 00:47:53,557 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2020-07-11 00:47:53,558 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:47:53,558 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:47:53,558 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand 70 states. [2020-07-11 00:47:53,559 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 70 states. [2020-07-11 00:47:53,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:47:53,563 INFO L93 Difference]: Finished difference Result 70 states and 89 transitions. [2020-07-11 00:47:53,564 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2020-07-11 00:47:53,564 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:47:53,565 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:47:53,565 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:47:53,565 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:47:53,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-07-11 00:47:53,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 89 transitions. [2020-07-11 00:47:53,569 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 89 transitions. Word has length 50 [2020-07-11 00:47:53,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:47:53,570 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 89 transitions. [2020-07-11 00:47:53,570 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-11 00:47:53,570 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 70 states and 89 transitions. [2020-07-11 00:47:53,692 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 89 edges. 89 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:47:53,693 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2020-07-11 00:47:53,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-11 00:47:53,694 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:47:53,694 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 00:47:53,695 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-11 00:47:53,695 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:47:53,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:47:53,699 INFO L82 PathProgramCache]: Analyzing trace with hash 104828256, now seen corresponding path program 1 times [2020-07-11 00:47:53,700 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:47:53,700 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [234384218] [2020-07-11 00:47:53,700 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:47:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:53,768 INFO L280 TraceCheckUtils]: 0: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-11 00:47:53,768 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2120#true} {2120#true} #59#return; {2120#true} is VALID [2020-07-11 00:47:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:53,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:53,927 INFO L280 TraceCheckUtils]: 0: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-11 00:47:53,927 INFO L280 TraceCheckUtils]: 1: Hoare triple {2120#true} assume !(~n < 1); {2120#true} is VALID [2020-07-11 00:47:53,928 INFO L280 TraceCheckUtils]: 2: Hoare triple {2120#true} assume 1 == ~n; {2120#true} is VALID [2020-07-11 00:47:53,928 INFO L280 TraceCheckUtils]: 3: Hoare triple {2120#true} #res := 1; {2120#true} is VALID [2020-07-11 00:47:53,928 INFO L280 TraceCheckUtils]: 4: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-11 00:47:53,929 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2120#true} {2196#(<= 2 |fibo2_#in~n|)} #65#return; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:53,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:53,935 INFO L280 TraceCheckUtils]: 0: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-11 00:47:53,935 INFO L280 TraceCheckUtils]: 1: Hoare triple {2120#true} assume ~n < 1; {2120#true} is VALID [2020-07-11 00:47:53,936 INFO L280 TraceCheckUtils]: 2: Hoare triple {2120#true} #res := 0; {2120#true} is VALID [2020-07-11 00:47:53,936 INFO L280 TraceCheckUtils]: 3: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-11 00:47:53,937 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2120#true} {2196#(<= 2 |fibo2_#in~n|)} #67#return; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:53,939 INFO L280 TraceCheckUtils]: 0: Hoare triple {2120#true} ~n := #in~n; {2194#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:47:53,940 INFO L280 TraceCheckUtils]: 1: Hoare triple {2194#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {2195#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-11 00:47:53,941 INFO L280 TraceCheckUtils]: 2: Hoare triple {2195#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:53,941 INFO L263 TraceCheckUtils]: 3: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {2120#true} is VALID [2020-07-11 00:47:53,942 INFO L280 TraceCheckUtils]: 4: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-11 00:47:53,942 INFO L280 TraceCheckUtils]: 5: Hoare triple {2120#true} assume !(~n < 1); {2120#true} is VALID [2020-07-11 00:47:53,942 INFO L280 TraceCheckUtils]: 6: Hoare triple {2120#true} assume 1 == ~n; {2120#true} is VALID [2020-07-11 00:47:53,942 INFO L280 TraceCheckUtils]: 7: Hoare triple {2120#true} #res := 1; {2120#true} is VALID [2020-07-11 00:47:53,943 INFO L280 TraceCheckUtils]: 8: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-11 00:47:53,944 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {2120#true} {2196#(<= 2 |fibo2_#in~n|)} #65#return; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:53,945 INFO L280 TraceCheckUtils]: 10: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:53,945 INFO L263 TraceCheckUtils]: 11: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {2120#true} is VALID [2020-07-11 00:47:53,945 INFO L280 TraceCheckUtils]: 12: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-11 00:47:53,946 INFO L280 TraceCheckUtils]: 13: Hoare triple {2120#true} assume ~n < 1; {2120#true} is VALID [2020-07-11 00:47:53,946 INFO L280 TraceCheckUtils]: 14: Hoare triple {2120#true} #res := 0; {2120#true} is VALID [2020-07-11 00:47:53,946 INFO L280 TraceCheckUtils]: 15: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-11 00:47:53,947 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {2120#true} {2196#(<= 2 |fibo2_#in~n|)} #67#return; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:53,948 INFO L280 TraceCheckUtils]: 17: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:53,949 INFO L280 TraceCheckUtils]: 18: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:53,950 INFO L280 TraceCheckUtils]: 19: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:53,951 INFO L280 TraceCheckUtils]: 20: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:53,952 INFO L280 TraceCheckUtils]: 21: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} assume true; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:53,953 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {2196#(<= 2 |fibo2_#in~n|)} {2120#true} #69#return; {2188#(<= 3 fibo1_~n)} is VALID [2020-07-11 00:47:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:53,976 INFO L280 TraceCheckUtils]: 0: Hoare triple {2120#true} ~n := #in~n; {2194#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:47:53,978 INFO L280 TraceCheckUtils]: 1: Hoare triple {2194#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:47:53,978 INFO L280 TraceCheckUtils]: 2: Hoare triple {2208#(<= |fibo2_#in~n| 0)} #res := 0; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:47:53,979 INFO L280 TraceCheckUtils]: 3: Hoare triple {2208#(<= |fibo2_#in~n| 0)} assume true; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:47:53,980 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2208#(<= |fibo2_#in~n| 0)} {2188#(<= 3 fibo1_~n)} #71#return; {2121#false} is VALID [2020-07-11 00:47:53,981 INFO L280 TraceCheckUtils]: 0: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-11 00:47:53,981 INFO L280 TraceCheckUtils]: 1: Hoare triple {2120#true} assume !(~n < 1); {2120#true} is VALID [2020-07-11 00:47:53,981 INFO L280 TraceCheckUtils]: 2: Hoare triple {2120#true} assume !(1 == ~n); {2120#true} is VALID [2020-07-11 00:47:53,981 INFO L263 TraceCheckUtils]: 3: Hoare triple {2120#true} call #t~ret0 := fibo2(~n - 1); {2120#true} is VALID [2020-07-11 00:47:53,982 INFO L280 TraceCheckUtils]: 4: Hoare triple {2120#true} ~n := #in~n; {2194#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:47:53,983 INFO L280 TraceCheckUtils]: 5: Hoare triple {2194#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {2195#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-11 00:47:53,984 INFO L280 TraceCheckUtils]: 6: Hoare triple {2195#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:53,984 INFO L263 TraceCheckUtils]: 7: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {2120#true} is VALID [2020-07-11 00:47:53,985 INFO L280 TraceCheckUtils]: 8: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-11 00:47:53,985 INFO L280 TraceCheckUtils]: 9: Hoare triple {2120#true} assume !(~n < 1); {2120#true} is VALID [2020-07-11 00:47:53,985 INFO L280 TraceCheckUtils]: 10: Hoare triple {2120#true} assume 1 == ~n; {2120#true} is VALID [2020-07-11 00:47:53,985 INFO L280 TraceCheckUtils]: 11: Hoare triple {2120#true} #res := 1; {2120#true} is VALID [2020-07-11 00:47:53,986 INFO L280 TraceCheckUtils]: 12: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-11 00:47:53,987 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {2120#true} {2196#(<= 2 |fibo2_#in~n|)} #65#return; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:53,987 INFO L280 TraceCheckUtils]: 14: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:53,988 INFO L263 TraceCheckUtils]: 15: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {2120#true} is VALID [2020-07-11 00:47:53,988 INFO L280 TraceCheckUtils]: 16: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-11 00:47:53,988 INFO L280 TraceCheckUtils]: 17: Hoare triple {2120#true} assume ~n < 1; {2120#true} is VALID [2020-07-11 00:47:53,988 INFO L280 TraceCheckUtils]: 18: Hoare triple {2120#true} #res := 0; {2120#true} is VALID [2020-07-11 00:47:53,989 INFO L280 TraceCheckUtils]: 19: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-11 00:47:53,990 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {2120#true} {2196#(<= 2 |fibo2_#in~n|)} #67#return; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:53,990 INFO L280 TraceCheckUtils]: 21: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:53,991 INFO L280 TraceCheckUtils]: 22: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:53,992 INFO L280 TraceCheckUtils]: 23: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:53,992 INFO L280 TraceCheckUtils]: 24: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:53,993 INFO L280 TraceCheckUtils]: 25: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} assume true; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:53,994 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {2196#(<= 2 |fibo2_#in~n|)} {2120#true} #69#return; {2188#(<= 3 fibo1_~n)} is VALID [2020-07-11 00:47:53,995 INFO L280 TraceCheckUtils]: 27: Hoare triple {2188#(<= 3 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2188#(<= 3 fibo1_~n)} is VALID [2020-07-11 00:47:53,995 INFO L263 TraceCheckUtils]: 28: Hoare triple {2188#(<= 3 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {2120#true} is VALID [2020-07-11 00:47:53,996 INFO L280 TraceCheckUtils]: 29: Hoare triple {2120#true} ~n := #in~n; {2194#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:47:53,997 INFO L280 TraceCheckUtils]: 30: Hoare triple {2194#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:47:53,997 INFO L280 TraceCheckUtils]: 31: Hoare triple {2208#(<= |fibo2_#in~n| 0)} #res := 0; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:47:53,998 INFO L280 TraceCheckUtils]: 32: Hoare triple {2208#(<= |fibo2_#in~n| 0)} assume true; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:47:53,999 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {2208#(<= |fibo2_#in~n| 0)} {2188#(<= 3 fibo1_~n)} #71#return; {2121#false} is VALID [2020-07-11 00:47:54,000 INFO L280 TraceCheckUtils]: 34: Hoare triple {2121#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2121#false} is VALID [2020-07-11 00:47:54,000 INFO L280 TraceCheckUtils]: 35: Hoare triple {2121#false} #res := #t~ret0 + #t~ret1; {2121#false} is VALID [2020-07-11 00:47:54,000 INFO L280 TraceCheckUtils]: 36: Hoare triple {2121#false} havoc #t~ret1; {2121#false} is VALID [2020-07-11 00:47:54,000 INFO L280 TraceCheckUtils]: 37: Hoare triple {2121#false} havoc #t~ret0; {2121#false} is VALID [2020-07-11 00:47:54,001 INFO L280 TraceCheckUtils]: 38: Hoare triple {2121#false} assume true; {2121#false} is VALID [2020-07-11 00:47:54,001 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {2121#false} {2124#(<= 4 main_~x~0)} #63#return; {2121#false} is VALID [2020-07-11 00:47:54,003 INFO L263 TraceCheckUtils]: 0: Hoare triple {2120#true} call ULTIMATE.init(); {2120#true} is VALID [2020-07-11 00:47:54,003 INFO L280 TraceCheckUtils]: 1: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-11 00:47:54,003 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2120#true} {2120#true} #59#return; {2120#true} is VALID [2020-07-11 00:47:54,004 INFO L263 TraceCheckUtils]: 3: Hoare triple {2120#true} call #t~ret5 := main(); {2120#true} is VALID [2020-07-11 00:47:54,005 INFO L280 TraceCheckUtils]: 4: Hoare triple {2120#true} ~x~0 := 4; {2124#(<= 4 main_~x~0)} is VALID [2020-07-11 00:47:54,005 INFO L263 TraceCheckUtils]: 5: Hoare triple {2124#(<= 4 main_~x~0)} call #t~ret4 := fibo1(~x~0); {2120#true} is VALID [2020-07-11 00:47:54,005 INFO L280 TraceCheckUtils]: 6: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-11 00:47:54,005 INFO L280 TraceCheckUtils]: 7: Hoare triple {2120#true} assume !(~n < 1); {2120#true} is VALID [2020-07-11 00:47:54,006 INFO L280 TraceCheckUtils]: 8: Hoare triple {2120#true} assume !(1 == ~n); {2120#true} is VALID [2020-07-11 00:47:54,006 INFO L263 TraceCheckUtils]: 9: Hoare triple {2120#true} call #t~ret0 := fibo2(~n - 1); {2120#true} is VALID [2020-07-11 00:47:54,006 INFO L280 TraceCheckUtils]: 10: Hoare triple {2120#true} ~n := #in~n; {2194#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:47:54,007 INFO L280 TraceCheckUtils]: 11: Hoare triple {2194#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {2195#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-11 00:47:54,008 INFO L280 TraceCheckUtils]: 12: Hoare triple {2195#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:54,008 INFO L263 TraceCheckUtils]: 13: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {2120#true} is VALID [2020-07-11 00:47:54,009 INFO L280 TraceCheckUtils]: 14: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-11 00:47:54,009 INFO L280 TraceCheckUtils]: 15: Hoare triple {2120#true} assume !(~n < 1); {2120#true} is VALID [2020-07-11 00:47:54,009 INFO L280 TraceCheckUtils]: 16: Hoare triple {2120#true} assume 1 == ~n; {2120#true} is VALID [2020-07-11 00:47:54,009 INFO L280 TraceCheckUtils]: 17: Hoare triple {2120#true} #res := 1; {2120#true} is VALID [2020-07-11 00:47:54,009 INFO L280 TraceCheckUtils]: 18: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-11 00:47:54,011 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {2120#true} {2196#(<= 2 |fibo2_#in~n|)} #65#return; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:54,011 INFO L280 TraceCheckUtils]: 20: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:54,011 INFO L263 TraceCheckUtils]: 21: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {2120#true} is VALID [2020-07-11 00:47:54,012 INFO L280 TraceCheckUtils]: 22: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-11 00:47:54,012 INFO L280 TraceCheckUtils]: 23: Hoare triple {2120#true} assume ~n < 1; {2120#true} is VALID [2020-07-11 00:47:54,012 INFO L280 TraceCheckUtils]: 24: Hoare triple {2120#true} #res := 0; {2120#true} is VALID [2020-07-11 00:47:54,012 INFO L280 TraceCheckUtils]: 25: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-11 00:47:54,013 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {2120#true} {2196#(<= 2 |fibo2_#in~n|)} #67#return; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:54,014 INFO L280 TraceCheckUtils]: 27: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:54,014 INFO L280 TraceCheckUtils]: 28: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:54,015 INFO L280 TraceCheckUtils]: 29: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:54,016 INFO L280 TraceCheckUtils]: 30: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:54,016 INFO L280 TraceCheckUtils]: 31: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} assume true; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:54,017 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {2196#(<= 2 |fibo2_#in~n|)} {2120#true} #69#return; {2188#(<= 3 fibo1_~n)} is VALID [2020-07-11 00:47:54,018 INFO L280 TraceCheckUtils]: 33: Hoare triple {2188#(<= 3 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2188#(<= 3 fibo1_~n)} is VALID [2020-07-11 00:47:54,018 INFO L263 TraceCheckUtils]: 34: Hoare triple {2188#(<= 3 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {2120#true} is VALID [2020-07-11 00:47:54,019 INFO L280 TraceCheckUtils]: 35: Hoare triple {2120#true} ~n := #in~n; {2194#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:47:54,020 INFO L280 TraceCheckUtils]: 36: Hoare triple {2194#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:47:54,020 INFO L280 TraceCheckUtils]: 37: Hoare triple {2208#(<= |fibo2_#in~n| 0)} #res := 0; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:47:54,021 INFO L280 TraceCheckUtils]: 38: Hoare triple {2208#(<= |fibo2_#in~n| 0)} assume true; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:47:54,022 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {2208#(<= |fibo2_#in~n| 0)} {2188#(<= 3 fibo1_~n)} #71#return; {2121#false} is VALID [2020-07-11 00:47:54,023 INFO L280 TraceCheckUtils]: 40: Hoare triple {2121#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2121#false} is VALID [2020-07-11 00:47:54,023 INFO L280 TraceCheckUtils]: 41: Hoare triple {2121#false} #res := #t~ret0 + #t~ret1; {2121#false} is VALID [2020-07-11 00:47:54,023 INFO L280 TraceCheckUtils]: 42: Hoare triple {2121#false} havoc #t~ret1; {2121#false} is VALID [2020-07-11 00:47:54,023 INFO L280 TraceCheckUtils]: 43: Hoare triple {2121#false} havoc #t~ret0; {2121#false} is VALID [2020-07-11 00:47:54,023 INFO L280 TraceCheckUtils]: 44: Hoare triple {2121#false} assume true; {2121#false} is VALID [2020-07-11 00:47:54,024 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {2121#false} {2124#(<= 4 main_~x~0)} #63#return; {2121#false} is VALID [2020-07-11 00:47:54,024 INFO L280 TraceCheckUtils]: 46: Hoare triple {2121#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {2121#false} is VALID [2020-07-11 00:47:54,024 INFO L280 TraceCheckUtils]: 47: Hoare triple {2121#false} ~result~0 := #t~ret4; {2121#false} is VALID [2020-07-11 00:47:54,024 INFO L280 TraceCheckUtils]: 48: Hoare triple {2121#false} havoc #t~ret4; {2121#false} is VALID [2020-07-11 00:47:54,024 INFO L280 TraceCheckUtils]: 49: Hoare triple {2121#false} assume 3 != ~result~0; {2121#false} is VALID [2020-07-11 00:47:54,025 INFO L280 TraceCheckUtils]: 50: Hoare triple {2121#false} assume !false; {2121#false} is VALID [2020-07-11 00:47:54,027 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-11 00:47:54,028 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [234384218] [2020-07-11 00:47:54,028 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 00:47:54,028 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-07-11 00:47:54,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117645759] [2020-07-11 00:47:54,029 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-07-11 00:47:54,029 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:47:54,029 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-11 00:47:54,078 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:47:54,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-11 00:47:54,079 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:47:54,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-11 00:47:54,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-11 00:47:54,080 INFO L87 Difference]: Start difference. First operand 70 states and 89 transitions. Second operand 8 states. [2020-07-11 00:47:54,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:47:54,673 INFO L93 Difference]: Finished difference Result 142 states and 197 transitions. [2020-07-11 00:47:54,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-11 00:47:54,674 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-07-11 00:47:54,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:47:54,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-11 00:47:54,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 108 transitions. [2020-07-11 00:47:54,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-11 00:47:54,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 108 transitions. [2020-07-11 00:47:54,688 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 108 transitions. [2020-07-11 00:47:54,803 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 108 edges. 108 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:47:54,807 INFO L225 Difference]: With dead ends: 142 [2020-07-11 00:47:54,808 INFO L226 Difference]: Without dead ends: 78 [2020-07-11 00:47:54,809 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-07-11 00:47:54,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-07-11 00:47:54,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 72. [2020-07-11 00:47:54,943 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:47:54,943 INFO L82 GeneralOperation]: Start isEquivalent. First operand 78 states. Second operand 72 states. [2020-07-11 00:47:54,943 INFO L74 IsIncluded]: Start isIncluded. First operand 78 states. Second operand 72 states. [2020-07-11 00:47:54,943 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 72 states. [2020-07-11 00:47:54,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:47:54,948 INFO L93 Difference]: Finished difference Result 78 states and 101 transitions. [2020-07-11 00:47:54,948 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 101 transitions. [2020-07-11 00:47:54,949 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:47:54,949 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:47:54,949 INFO L74 IsIncluded]: Start isIncluded. First operand 72 states. Second operand 78 states. [2020-07-11 00:47:54,950 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 78 states. [2020-07-11 00:47:54,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:47:54,956 INFO L93 Difference]: Finished difference Result 78 states and 101 transitions. [2020-07-11 00:47:54,957 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 101 transitions. [2020-07-11 00:47:54,957 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:47:54,957 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:47:54,958 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:47:54,958 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:47:54,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-07-11 00:47:54,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 92 transitions. [2020-07-11 00:47:54,963 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 92 transitions. Word has length 51 [2020-07-11 00:47:54,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:47:54,963 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 92 transitions. [2020-07-11 00:47:54,963 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-11 00:47:54,963 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 72 states and 92 transitions. [2020-07-11 00:47:55,072 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 92 edges. 92 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:47:55,072 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2020-07-11 00:47:55,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-11 00:47:55,074 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:47:55,074 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 00:47:55,074 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-11 00:47:55,074 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:47:55,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:47:55,074 INFO L82 PathProgramCache]: Analyzing trace with hash 1703786405, now seen corresponding path program 1 times [2020-07-11 00:47:55,075 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:47:55,075 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1857686515] [2020-07-11 00:47:55,075 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:47:55,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:55,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:55,108 INFO L280 TraceCheckUtils]: 0: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-11 00:47:55,108 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2799#true} {2799#true} #59#return; {2799#true} is VALID [2020-07-11 00:47:55,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:55,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:55,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:55,199 INFO L280 TraceCheckUtils]: 0: Hoare triple {2799#true} ~n := #in~n; {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:55,200 INFO L280 TraceCheckUtils]: 1: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:55,201 INFO L280 TraceCheckUtils]: 2: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:47:55,202 INFO L280 TraceCheckUtils]: 3: Hoare triple {2889#(<= |fibo1_#in~n| 1)} #res := 1; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:47:55,203 INFO L280 TraceCheckUtils]: 4: Hoare triple {2889#(<= |fibo1_#in~n| 1)} assume true; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:47:55,205 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2889#(<= |fibo1_#in~n| 1)} {2876#(= fibo2_~n |fibo2_#in~n|)} #65#return; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:47:55,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:55,211 INFO L280 TraceCheckUtils]: 0: Hoare triple {2799#true} ~n := #in~n; {2799#true} is VALID [2020-07-11 00:47:55,211 INFO L280 TraceCheckUtils]: 1: Hoare triple {2799#true} assume ~n < 1; {2799#true} is VALID [2020-07-11 00:47:55,212 INFO L280 TraceCheckUtils]: 2: Hoare triple {2799#true} #res := 0; {2799#true} is VALID [2020-07-11 00:47:55,212 INFO L280 TraceCheckUtils]: 3: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-11 00:47:55,213 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2799#true} {2883#(<= |fibo2_#in~n| 2)} #67#return; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:47:55,214 INFO L280 TraceCheckUtils]: 0: Hoare triple {2799#true} ~n := #in~n; {2876#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:47:55,214 INFO L280 TraceCheckUtils]: 1: Hoare triple {2876#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {2876#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:47:55,215 INFO L280 TraceCheckUtils]: 2: Hoare triple {2876#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {2876#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:47:55,216 INFO L263 TraceCheckUtils]: 3: Hoare triple {2876#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {2799#true} is VALID [2020-07-11 00:47:55,216 INFO L280 TraceCheckUtils]: 4: Hoare triple {2799#true} ~n := #in~n; {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:55,217 INFO L280 TraceCheckUtils]: 5: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:55,218 INFO L280 TraceCheckUtils]: 6: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:47:55,219 INFO L280 TraceCheckUtils]: 7: Hoare triple {2889#(<= |fibo1_#in~n| 1)} #res := 1; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:47:55,220 INFO L280 TraceCheckUtils]: 8: Hoare triple {2889#(<= |fibo1_#in~n| 1)} assume true; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:47:55,222 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {2889#(<= |fibo1_#in~n| 1)} {2876#(= fibo2_~n |fibo2_#in~n|)} #65#return; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:47:55,223 INFO L280 TraceCheckUtils]: 10: Hoare triple {2883#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:47:55,223 INFO L263 TraceCheckUtils]: 11: Hoare triple {2883#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {2799#true} is VALID [2020-07-11 00:47:55,224 INFO L280 TraceCheckUtils]: 12: Hoare triple {2799#true} ~n := #in~n; {2799#true} is VALID [2020-07-11 00:47:55,224 INFO L280 TraceCheckUtils]: 13: Hoare triple {2799#true} assume ~n < 1; {2799#true} is VALID [2020-07-11 00:47:55,224 INFO L280 TraceCheckUtils]: 14: Hoare triple {2799#true} #res := 0; {2799#true} is VALID [2020-07-11 00:47:55,225 INFO L280 TraceCheckUtils]: 15: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-11 00:47:55,226 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {2799#true} {2883#(<= |fibo2_#in~n| 2)} #67#return; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:47:55,227 INFO L280 TraceCheckUtils]: 17: Hoare triple {2883#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:47:55,228 INFO L280 TraceCheckUtils]: 18: Hoare triple {2883#(<= |fibo2_#in~n| 2)} #res := #t~ret2 + #t~ret3; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:47:55,229 INFO L280 TraceCheckUtils]: 19: Hoare triple {2883#(<= |fibo2_#in~n| 2)} havoc #t~ret3; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:47:55,230 INFO L280 TraceCheckUtils]: 20: Hoare triple {2883#(<= |fibo2_#in~n| 2)} havoc #t~ret2; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:47:55,230 INFO L280 TraceCheckUtils]: 21: Hoare triple {2883#(<= |fibo2_#in~n| 2)} assume true; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:47:55,232 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {2883#(<= |fibo2_#in~n| 2)} {2845#(= fibo1_~n |fibo1_#in~n|)} #69#return; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:47:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:55,240 INFO L280 TraceCheckUtils]: 0: Hoare triple {2799#true} ~n := #in~n; {2799#true} is VALID [2020-07-11 00:47:55,240 INFO L280 TraceCheckUtils]: 1: Hoare triple {2799#true} assume !(~n < 1); {2799#true} is VALID [2020-07-11 00:47:55,240 INFO L280 TraceCheckUtils]: 2: Hoare triple {2799#true} assume 1 == ~n; {2799#true} is VALID [2020-07-11 00:47:55,241 INFO L280 TraceCheckUtils]: 3: Hoare triple {2799#true} #res := 1; {2799#true} is VALID [2020-07-11 00:47:55,241 INFO L280 TraceCheckUtils]: 4: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-11 00:47:55,243 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2799#true} {2869#(<= |fibo1_#in~n| 3)} #71#return; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:47:55,244 INFO L280 TraceCheckUtils]: 0: Hoare triple {2799#true} ~n := #in~n; {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:55,244 INFO L280 TraceCheckUtils]: 1: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:55,245 INFO L280 TraceCheckUtils]: 2: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:55,246 INFO L263 TraceCheckUtils]: 3: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {2799#true} is VALID [2020-07-11 00:47:55,247 INFO L280 TraceCheckUtils]: 4: Hoare triple {2799#true} ~n := #in~n; {2876#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:47:55,247 INFO L280 TraceCheckUtils]: 5: Hoare triple {2876#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {2876#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:47:55,248 INFO L280 TraceCheckUtils]: 6: Hoare triple {2876#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {2876#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:47:55,249 INFO L263 TraceCheckUtils]: 7: Hoare triple {2876#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {2799#true} is VALID [2020-07-11 00:47:55,250 INFO L280 TraceCheckUtils]: 8: Hoare triple {2799#true} ~n := #in~n; {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:55,250 INFO L280 TraceCheckUtils]: 9: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:55,252 INFO L280 TraceCheckUtils]: 10: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:47:55,253 INFO L280 TraceCheckUtils]: 11: Hoare triple {2889#(<= |fibo1_#in~n| 1)} #res := 1; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:47:55,253 INFO L280 TraceCheckUtils]: 12: Hoare triple {2889#(<= |fibo1_#in~n| 1)} assume true; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:47:55,255 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {2889#(<= |fibo1_#in~n| 1)} {2876#(= fibo2_~n |fibo2_#in~n|)} #65#return; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:47:55,256 INFO L280 TraceCheckUtils]: 14: Hoare triple {2883#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:47:55,257 INFO L263 TraceCheckUtils]: 15: Hoare triple {2883#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {2799#true} is VALID [2020-07-11 00:47:55,257 INFO L280 TraceCheckUtils]: 16: Hoare triple {2799#true} ~n := #in~n; {2799#true} is VALID [2020-07-11 00:47:55,257 INFO L280 TraceCheckUtils]: 17: Hoare triple {2799#true} assume ~n < 1; {2799#true} is VALID [2020-07-11 00:47:55,258 INFO L280 TraceCheckUtils]: 18: Hoare triple {2799#true} #res := 0; {2799#true} is VALID [2020-07-11 00:47:55,258 INFO L280 TraceCheckUtils]: 19: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-11 00:47:55,259 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {2799#true} {2883#(<= |fibo2_#in~n| 2)} #67#return; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:47:55,260 INFO L280 TraceCheckUtils]: 21: Hoare triple {2883#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:47:55,261 INFO L280 TraceCheckUtils]: 22: Hoare triple {2883#(<= |fibo2_#in~n| 2)} #res := #t~ret2 + #t~ret3; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:47:55,261 INFO L280 TraceCheckUtils]: 23: Hoare triple {2883#(<= |fibo2_#in~n| 2)} havoc #t~ret3; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:47:55,262 INFO L280 TraceCheckUtils]: 24: Hoare triple {2883#(<= |fibo2_#in~n| 2)} havoc #t~ret2; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:47:55,277 INFO L280 TraceCheckUtils]: 25: Hoare triple {2883#(<= |fibo2_#in~n| 2)} assume true; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:47:55,280 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {2883#(<= |fibo2_#in~n| 2)} {2845#(= fibo1_~n |fibo1_#in~n|)} #69#return; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:47:55,281 INFO L280 TraceCheckUtils]: 27: Hoare triple {2869#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:47:55,282 INFO L263 TraceCheckUtils]: 28: Hoare triple {2869#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {2799#true} is VALID [2020-07-11 00:47:55,282 INFO L280 TraceCheckUtils]: 29: Hoare triple {2799#true} ~n := #in~n; {2799#true} is VALID [2020-07-11 00:47:55,282 INFO L280 TraceCheckUtils]: 30: Hoare triple {2799#true} assume !(~n < 1); {2799#true} is VALID [2020-07-11 00:47:55,283 INFO L280 TraceCheckUtils]: 31: Hoare triple {2799#true} assume 1 == ~n; {2799#true} is VALID [2020-07-11 00:47:55,283 INFO L280 TraceCheckUtils]: 32: Hoare triple {2799#true} #res := 1; {2799#true} is VALID [2020-07-11 00:47:55,283 INFO L280 TraceCheckUtils]: 33: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-11 00:47:55,286 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {2799#true} {2869#(<= |fibo1_#in~n| 3)} #71#return; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:47:55,289 INFO L280 TraceCheckUtils]: 35: Hoare triple {2869#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:47:55,289 INFO L280 TraceCheckUtils]: 36: Hoare triple {2869#(<= |fibo1_#in~n| 3)} #res := #t~ret0 + #t~ret1; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:47:55,292 INFO L280 TraceCheckUtils]: 37: Hoare triple {2869#(<= |fibo1_#in~n| 3)} havoc #t~ret1; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:47:55,292 INFO L280 TraceCheckUtils]: 38: Hoare triple {2869#(<= |fibo1_#in~n| 3)} havoc #t~ret0; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:47:55,293 INFO L280 TraceCheckUtils]: 39: Hoare triple {2869#(<= |fibo1_#in~n| 3)} assume true; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:47:55,295 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {2869#(<= |fibo1_#in~n| 3)} {2803#(<= 4 main_~x~0)} #63#return; {2800#false} is VALID [2020-07-11 00:47:55,298 INFO L263 TraceCheckUtils]: 0: Hoare triple {2799#true} call ULTIMATE.init(); {2799#true} is VALID [2020-07-11 00:47:55,298 INFO L280 TraceCheckUtils]: 1: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-11 00:47:55,299 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2799#true} {2799#true} #59#return; {2799#true} is VALID [2020-07-11 00:47:55,299 INFO L263 TraceCheckUtils]: 3: Hoare triple {2799#true} call #t~ret5 := main(); {2799#true} is VALID [2020-07-11 00:47:55,301 INFO L280 TraceCheckUtils]: 4: Hoare triple {2799#true} ~x~0 := 4; {2803#(<= 4 main_~x~0)} is VALID [2020-07-11 00:47:55,301 INFO L263 TraceCheckUtils]: 5: Hoare triple {2803#(<= 4 main_~x~0)} call #t~ret4 := fibo1(~x~0); {2799#true} is VALID [2020-07-11 00:47:55,302 INFO L280 TraceCheckUtils]: 6: Hoare triple {2799#true} ~n := #in~n; {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:55,303 INFO L280 TraceCheckUtils]: 7: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:55,303 INFO L280 TraceCheckUtils]: 8: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:55,304 INFO L263 TraceCheckUtils]: 9: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {2799#true} is VALID [2020-07-11 00:47:55,304 INFO L280 TraceCheckUtils]: 10: Hoare triple {2799#true} ~n := #in~n; {2876#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:47:55,305 INFO L280 TraceCheckUtils]: 11: Hoare triple {2876#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {2876#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:47:55,306 INFO L280 TraceCheckUtils]: 12: Hoare triple {2876#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {2876#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:47:55,306 INFO L263 TraceCheckUtils]: 13: Hoare triple {2876#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {2799#true} is VALID [2020-07-11 00:47:55,307 INFO L280 TraceCheckUtils]: 14: Hoare triple {2799#true} ~n := #in~n; {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:55,329 INFO L280 TraceCheckUtils]: 15: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:55,332 INFO L280 TraceCheckUtils]: 16: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:47:55,332 INFO L280 TraceCheckUtils]: 17: Hoare triple {2889#(<= |fibo1_#in~n| 1)} #res := 1; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:47:55,333 INFO L280 TraceCheckUtils]: 18: Hoare triple {2889#(<= |fibo1_#in~n| 1)} assume true; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:47:55,335 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {2889#(<= |fibo1_#in~n| 1)} {2876#(= fibo2_~n |fibo2_#in~n|)} #65#return; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:47:55,335 INFO L280 TraceCheckUtils]: 20: Hoare triple {2883#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:47:55,335 INFO L263 TraceCheckUtils]: 21: Hoare triple {2883#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {2799#true} is VALID [2020-07-11 00:47:55,336 INFO L280 TraceCheckUtils]: 22: Hoare triple {2799#true} ~n := #in~n; {2799#true} is VALID [2020-07-11 00:47:55,336 INFO L280 TraceCheckUtils]: 23: Hoare triple {2799#true} assume ~n < 1; {2799#true} is VALID [2020-07-11 00:47:55,336 INFO L280 TraceCheckUtils]: 24: Hoare triple {2799#true} #res := 0; {2799#true} is VALID [2020-07-11 00:47:55,336 INFO L280 TraceCheckUtils]: 25: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-11 00:47:55,337 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {2799#true} {2883#(<= |fibo2_#in~n| 2)} #67#return; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:47:55,338 INFO L280 TraceCheckUtils]: 27: Hoare triple {2883#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:47:55,338 INFO L280 TraceCheckUtils]: 28: Hoare triple {2883#(<= |fibo2_#in~n| 2)} #res := #t~ret2 + #t~ret3; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:47:55,339 INFO L280 TraceCheckUtils]: 29: Hoare triple {2883#(<= |fibo2_#in~n| 2)} havoc #t~ret3; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:47:55,339 INFO L280 TraceCheckUtils]: 30: Hoare triple {2883#(<= |fibo2_#in~n| 2)} havoc #t~ret2; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:47:55,340 INFO L280 TraceCheckUtils]: 31: Hoare triple {2883#(<= |fibo2_#in~n| 2)} assume true; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:47:55,341 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {2883#(<= |fibo2_#in~n| 2)} {2845#(= fibo1_~n |fibo1_#in~n|)} #69#return; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:47:55,342 INFO L280 TraceCheckUtils]: 33: Hoare triple {2869#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:47:55,342 INFO L263 TraceCheckUtils]: 34: Hoare triple {2869#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {2799#true} is VALID [2020-07-11 00:47:55,342 INFO L280 TraceCheckUtils]: 35: Hoare triple {2799#true} ~n := #in~n; {2799#true} is VALID [2020-07-11 00:47:55,342 INFO L280 TraceCheckUtils]: 36: Hoare triple {2799#true} assume !(~n < 1); {2799#true} is VALID [2020-07-11 00:47:55,343 INFO L280 TraceCheckUtils]: 37: Hoare triple {2799#true} assume 1 == ~n; {2799#true} is VALID [2020-07-11 00:47:55,343 INFO L280 TraceCheckUtils]: 38: Hoare triple {2799#true} #res := 1; {2799#true} is VALID [2020-07-11 00:47:55,343 INFO L280 TraceCheckUtils]: 39: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-11 00:47:55,344 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {2799#true} {2869#(<= |fibo1_#in~n| 3)} #71#return; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:47:55,345 INFO L280 TraceCheckUtils]: 41: Hoare triple {2869#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:47:55,345 INFO L280 TraceCheckUtils]: 42: Hoare triple {2869#(<= |fibo1_#in~n| 3)} #res := #t~ret0 + #t~ret1; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:47:55,346 INFO L280 TraceCheckUtils]: 43: Hoare triple {2869#(<= |fibo1_#in~n| 3)} havoc #t~ret1; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:47:55,347 INFO L280 TraceCheckUtils]: 44: Hoare triple {2869#(<= |fibo1_#in~n| 3)} havoc #t~ret0; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:47:55,350 INFO L280 TraceCheckUtils]: 45: Hoare triple {2869#(<= |fibo1_#in~n| 3)} assume true; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:47:55,351 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {2869#(<= |fibo1_#in~n| 3)} {2803#(<= 4 main_~x~0)} #63#return; {2800#false} is VALID [2020-07-11 00:47:55,352 INFO L280 TraceCheckUtils]: 47: Hoare triple {2800#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {2800#false} is VALID [2020-07-11 00:47:55,352 INFO L280 TraceCheckUtils]: 48: Hoare triple {2800#false} ~result~0 := #t~ret4; {2800#false} is VALID [2020-07-11 00:47:55,352 INFO L280 TraceCheckUtils]: 49: Hoare triple {2800#false} havoc #t~ret4; {2800#false} is VALID [2020-07-11 00:47:55,353 INFO L280 TraceCheckUtils]: 50: Hoare triple {2800#false} assume 3 != ~result~0; {2800#false} is VALID [2020-07-11 00:47:55,353 INFO L280 TraceCheckUtils]: 51: Hoare triple {2800#false} assume !false; {2800#false} is VALID [2020-07-11 00:47:55,357 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-11 00:47:55,357 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1857686515] [2020-07-11 00:47:55,357 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 00:47:55,358 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-07-11 00:47:55,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672725393] [2020-07-11 00:47:55,359 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-11 00:47:55,359 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:47:55,359 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-11 00:47:55,403 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:47:55,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-11 00:47:55,404 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:47:55,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-11 00:47:55,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-11 00:47:55,405 INFO L87 Difference]: Start difference. First operand 72 states and 92 transitions. Second operand 8 states. [2020-07-11 00:47:56,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:47:56,138 INFO L93 Difference]: Finished difference Result 118 states and 158 transitions. [2020-07-11 00:47:56,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-11 00:47:56,139 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-11 00:47:56,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:47:56,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-11 00:47:56,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 96 transitions. [2020-07-11 00:47:56,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-11 00:47:56,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 96 transitions. [2020-07-11 00:47:56,145 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 96 transitions. [2020-07-11 00:47:56,243 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 96 edges. 96 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:47:56,247 INFO L225 Difference]: With dead ends: 118 [2020-07-11 00:47:56,247 INFO L226 Difference]: Without dead ends: 112 [2020-07-11 00:47:56,248 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-07-11 00:47:56,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-07-11 00:47:56,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 106. [2020-07-11 00:47:56,479 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:47:56,479 INFO L82 GeneralOperation]: Start isEquivalent. First operand 112 states. Second operand 106 states. [2020-07-11 00:47:56,479 INFO L74 IsIncluded]: Start isIncluded. First operand 112 states. Second operand 106 states. [2020-07-11 00:47:56,479 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 106 states. [2020-07-11 00:47:56,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:47:56,488 INFO L93 Difference]: Finished difference Result 112 states and 152 transitions. [2020-07-11 00:47:56,488 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 152 transitions. [2020-07-11 00:47:56,489 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:47:56,489 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:47:56,490 INFO L74 IsIncluded]: Start isIncluded. First operand 106 states. Second operand 112 states. [2020-07-11 00:47:56,490 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 112 states. [2020-07-11 00:47:56,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:47:56,497 INFO L93 Difference]: Finished difference Result 112 states and 152 transitions. [2020-07-11 00:47:56,497 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 152 transitions. [2020-07-11 00:47:56,498 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:47:56,498 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:47:56,499 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:47:56,499 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:47:56,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-07-11 00:47:56,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 145 transitions. [2020-07-11 00:47:56,505 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 145 transitions. Word has length 52 [2020-07-11 00:47:56,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:47:56,505 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 145 transitions. [2020-07-11 00:47:56,506 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-11 00:47:56,506 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 106 states and 145 transitions. [2020-07-11 00:47:56,679 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 145 edges. 145 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:47:56,679 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 145 transitions. [2020-07-11 00:47:56,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-11 00:47:56,682 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:47:56,682 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 00:47:56,682 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-11 00:47:56,682 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:47:56,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:47:56,683 INFO L82 PathProgramCache]: Analyzing trace with hash -521446491, now seen corresponding path program 1 times [2020-07-11 00:47:56,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:47:56,683 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2109730106] [2020-07-11 00:47:56,683 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:47:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:56,719 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:47:56,719 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3573#true} {3573#true} #59#return; {3573#true} is VALID [2020-07-11 00:47:56,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:56,830 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:47:56,831 INFO L280 TraceCheckUtils]: 1: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-11 00:47:56,831 INFO L280 TraceCheckUtils]: 2: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-11 00:47:56,831 INFO L280 TraceCheckUtils]: 3: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-11 00:47:56,831 INFO L280 TraceCheckUtils]: 4: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:47:56,833 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #69#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:56,838 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:47:56,838 INFO L280 TraceCheckUtils]: 1: Hoare triple {3573#true} assume ~n < 1; {3573#true} is VALID [2020-07-11 00:47:56,839 INFO L280 TraceCheckUtils]: 2: Hoare triple {3573#true} #res := 0; {3573#true} is VALID [2020-07-11 00:47:56,839 INFO L280 TraceCheckUtils]: 3: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:47:56,840 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #71#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,841 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,842 INFO L280 TraceCheckUtils]: 1: Hoare triple {3711#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {3712#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-11 00:47:56,843 INFO L280 TraceCheckUtils]: 2: Hoare triple {3712#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,843 INFO L263 TraceCheckUtils]: 3: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {3573#true} is VALID [2020-07-11 00:47:56,843 INFO L280 TraceCheckUtils]: 4: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:47:56,843 INFO L280 TraceCheckUtils]: 5: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-11 00:47:56,844 INFO L280 TraceCheckUtils]: 6: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-11 00:47:56,844 INFO L280 TraceCheckUtils]: 7: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-11 00:47:56,844 INFO L280 TraceCheckUtils]: 8: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:47:56,845 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #69#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,846 INFO L280 TraceCheckUtils]: 10: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,846 INFO L263 TraceCheckUtils]: 11: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3573#true} is VALID [2020-07-11 00:47:56,846 INFO L280 TraceCheckUtils]: 12: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:47:56,846 INFO L280 TraceCheckUtils]: 13: Hoare triple {3573#true} assume ~n < 1; {3573#true} is VALID [2020-07-11 00:47:56,847 INFO L280 TraceCheckUtils]: 14: Hoare triple {3573#true} #res := 0; {3573#true} is VALID [2020-07-11 00:47:56,847 INFO L280 TraceCheckUtils]: 15: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:47:56,848 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #71#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,848 INFO L280 TraceCheckUtils]: 17: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,849 INFO L280 TraceCheckUtils]: 18: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,850 INFO L280 TraceCheckUtils]: 19: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,851 INFO L280 TraceCheckUtils]: 20: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,851 INFO L280 TraceCheckUtils]: 21: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume true; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,853 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {3713#(<= 2 |fibo1_#in~n|)} {3573#true} #65#return; {3705#(<= 3 fibo2_~n)} is VALID [2020-07-11 00:47:56,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:56,874 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,875 INFO L280 TraceCheckUtils]: 1: Hoare triple {3711#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:47:56,876 INFO L280 TraceCheckUtils]: 2: Hoare triple {3725#(<= |fibo1_#in~n| 0)} #res := 0; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:47:56,876 INFO L280 TraceCheckUtils]: 3: Hoare triple {3725#(<= |fibo1_#in~n| 0)} assume true; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:47:56,877 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3725#(<= |fibo1_#in~n| 0)} {3705#(<= 3 fibo2_~n)} #67#return; {3574#false} is VALID [2020-07-11 00:47:56,878 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:47:56,878 INFO L280 TraceCheckUtils]: 1: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-11 00:47:56,878 INFO L280 TraceCheckUtils]: 2: Hoare triple {3573#true} assume !(1 == ~n); {3573#true} is VALID [2020-07-11 00:47:56,878 INFO L263 TraceCheckUtils]: 3: Hoare triple {3573#true} call #t~ret2 := fibo1(~n - 1); {3573#true} is VALID [2020-07-11 00:47:56,879 INFO L280 TraceCheckUtils]: 4: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,880 INFO L280 TraceCheckUtils]: 5: Hoare triple {3711#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {3712#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-11 00:47:56,881 INFO L280 TraceCheckUtils]: 6: Hoare triple {3712#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,881 INFO L263 TraceCheckUtils]: 7: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {3573#true} is VALID [2020-07-11 00:47:56,881 INFO L280 TraceCheckUtils]: 8: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:47:56,882 INFO L280 TraceCheckUtils]: 9: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-11 00:47:56,882 INFO L280 TraceCheckUtils]: 10: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-11 00:47:56,882 INFO L280 TraceCheckUtils]: 11: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-11 00:47:56,882 INFO L280 TraceCheckUtils]: 12: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:47:56,883 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #69#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,884 INFO L280 TraceCheckUtils]: 14: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,884 INFO L263 TraceCheckUtils]: 15: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3573#true} is VALID [2020-07-11 00:47:56,884 INFO L280 TraceCheckUtils]: 16: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:47:56,884 INFO L280 TraceCheckUtils]: 17: Hoare triple {3573#true} assume ~n < 1; {3573#true} is VALID [2020-07-11 00:47:56,885 INFO L280 TraceCheckUtils]: 18: Hoare triple {3573#true} #res := 0; {3573#true} is VALID [2020-07-11 00:47:56,885 INFO L280 TraceCheckUtils]: 19: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:47:56,886 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #71#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,886 INFO L280 TraceCheckUtils]: 21: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,887 INFO L280 TraceCheckUtils]: 22: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,887 INFO L280 TraceCheckUtils]: 23: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,888 INFO L280 TraceCheckUtils]: 24: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,889 INFO L280 TraceCheckUtils]: 25: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume true; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,890 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {3713#(<= 2 |fibo1_#in~n|)} {3573#true} #65#return; {3705#(<= 3 fibo2_~n)} is VALID [2020-07-11 00:47:56,890 INFO L280 TraceCheckUtils]: 27: Hoare triple {3705#(<= 3 fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3705#(<= 3 fibo2_~n)} is VALID [2020-07-11 00:47:56,891 INFO L263 TraceCheckUtils]: 28: Hoare triple {3705#(<= 3 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {3573#true} is VALID [2020-07-11 00:47:56,891 INFO L280 TraceCheckUtils]: 29: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,892 INFO L280 TraceCheckUtils]: 30: Hoare triple {3711#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:47:56,892 INFO L280 TraceCheckUtils]: 31: Hoare triple {3725#(<= |fibo1_#in~n| 0)} #res := 0; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:47:56,893 INFO L280 TraceCheckUtils]: 32: Hoare triple {3725#(<= |fibo1_#in~n| 0)} assume true; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:47:56,894 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {3725#(<= |fibo1_#in~n| 0)} {3705#(<= 3 fibo2_~n)} #67#return; {3574#false} is VALID [2020-07-11 00:47:56,894 INFO L280 TraceCheckUtils]: 34: Hoare triple {3574#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {3574#false} is VALID [2020-07-11 00:47:56,895 INFO L280 TraceCheckUtils]: 35: Hoare triple {3574#false} #res := #t~ret2 + #t~ret3; {3574#false} is VALID [2020-07-11 00:47:56,895 INFO L280 TraceCheckUtils]: 36: Hoare triple {3574#false} havoc #t~ret3; {3574#false} is VALID [2020-07-11 00:47:56,895 INFO L280 TraceCheckUtils]: 37: Hoare triple {3574#false} havoc #t~ret2; {3574#false} is VALID [2020-07-11 00:47:56,895 INFO L280 TraceCheckUtils]: 38: Hoare triple {3574#false} assume true; {3574#false} is VALID [2020-07-11 00:47:56,895 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {3574#false} {3573#true} #69#return; {3574#false} is VALID [2020-07-11 00:47:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:56,901 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:47:56,902 INFO L280 TraceCheckUtils]: 1: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-11 00:47:56,902 INFO L280 TraceCheckUtils]: 2: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-11 00:47:56,902 INFO L280 TraceCheckUtils]: 3: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-11 00:47:56,902 INFO L280 TraceCheckUtils]: 4: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:47:56,903 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3573#true} {3574#false} #71#return; {3574#false} is VALID [2020-07-11 00:47:56,903 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:47:56,903 INFO L280 TraceCheckUtils]: 1: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-11 00:47:56,903 INFO L280 TraceCheckUtils]: 2: Hoare triple {3573#true} assume !(1 == ~n); {3573#true} is VALID [2020-07-11 00:47:56,904 INFO L263 TraceCheckUtils]: 3: Hoare triple {3573#true} call #t~ret0 := fibo2(~n - 1); {3573#true} is VALID [2020-07-11 00:47:56,904 INFO L280 TraceCheckUtils]: 4: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:47:56,904 INFO L280 TraceCheckUtils]: 5: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-11 00:47:56,904 INFO L280 TraceCheckUtils]: 6: Hoare triple {3573#true} assume !(1 == ~n); {3573#true} is VALID [2020-07-11 00:47:56,904 INFO L263 TraceCheckUtils]: 7: Hoare triple {3573#true} call #t~ret2 := fibo1(~n - 1); {3573#true} is VALID [2020-07-11 00:47:56,905 INFO L280 TraceCheckUtils]: 8: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,906 INFO L280 TraceCheckUtils]: 9: Hoare triple {3711#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {3712#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-11 00:47:56,907 INFO L280 TraceCheckUtils]: 10: Hoare triple {3712#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,907 INFO L263 TraceCheckUtils]: 11: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {3573#true} is VALID [2020-07-11 00:47:56,907 INFO L280 TraceCheckUtils]: 12: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:47:56,908 INFO L280 TraceCheckUtils]: 13: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-11 00:47:56,908 INFO L280 TraceCheckUtils]: 14: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-11 00:47:56,908 INFO L280 TraceCheckUtils]: 15: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-11 00:47:56,908 INFO L280 TraceCheckUtils]: 16: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:47:56,909 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #69#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,910 INFO L280 TraceCheckUtils]: 18: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,910 INFO L263 TraceCheckUtils]: 19: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3573#true} is VALID [2020-07-11 00:47:56,910 INFO L280 TraceCheckUtils]: 20: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:47:56,911 INFO L280 TraceCheckUtils]: 21: Hoare triple {3573#true} assume ~n < 1; {3573#true} is VALID [2020-07-11 00:47:56,911 INFO L280 TraceCheckUtils]: 22: Hoare triple {3573#true} #res := 0; {3573#true} is VALID [2020-07-11 00:47:56,911 INFO L280 TraceCheckUtils]: 23: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:47:56,912 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #71#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,913 INFO L280 TraceCheckUtils]: 25: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,914 INFO L280 TraceCheckUtils]: 26: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,914 INFO L280 TraceCheckUtils]: 27: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,915 INFO L280 TraceCheckUtils]: 28: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,915 INFO L280 TraceCheckUtils]: 29: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume true; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,917 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {3713#(<= 2 |fibo1_#in~n|)} {3573#true} #65#return; {3705#(<= 3 fibo2_~n)} is VALID [2020-07-11 00:47:56,917 INFO L280 TraceCheckUtils]: 31: Hoare triple {3705#(<= 3 fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3705#(<= 3 fibo2_~n)} is VALID [2020-07-11 00:47:56,918 INFO L263 TraceCheckUtils]: 32: Hoare triple {3705#(<= 3 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {3573#true} is VALID [2020-07-11 00:47:56,918 INFO L280 TraceCheckUtils]: 33: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,919 INFO L280 TraceCheckUtils]: 34: Hoare triple {3711#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:47:56,920 INFO L280 TraceCheckUtils]: 35: Hoare triple {3725#(<= |fibo1_#in~n| 0)} #res := 0; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:47:56,920 INFO L280 TraceCheckUtils]: 36: Hoare triple {3725#(<= |fibo1_#in~n| 0)} assume true; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:47:56,922 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {3725#(<= |fibo1_#in~n| 0)} {3705#(<= 3 fibo2_~n)} #67#return; {3574#false} is VALID [2020-07-11 00:47:56,922 INFO L280 TraceCheckUtils]: 38: Hoare triple {3574#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {3574#false} is VALID [2020-07-11 00:47:56,922 INFO L280 TraceCheckUtils]: 39: Hoare triple {3574#false} #res := #t~ret2 + #t~ret3; {3574#false} is VALID [2020-07-11 00:47:56,923 INFO L280 TraceCheckUtils]: 40: Hoare triple {3574#false} havoc #t~ret3; {3574#false} is VALID [2020-07-11 00:47:56,923 INFO L280 TraceCheckUtils]: 41: Hoare triple {3574#false} havoc #t~ret2; {3574#false} is VALID [2020-07-11 00:47:56,923 INFO L280 TraceCheckUtils]: 42: Hoare triple {3574#false} assume true; {3574#false} is VALID [2020-07-11 00:47:56,923 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {3574#false} {3573#true} #69#return; {3574#false} is VALID [2020-07-11 00:47:56,923 INFO L280 TraceCheckUtils]: 44: Hoare triple {3574#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3574#false} is VALID [2020-07-11 00:47:56,924 INFO L263 TraceCheckUtils]: 45: Hoare triple {3574#false} call #t~ret1 := fibo2(~n - 2); {3573#true} is VALID [2020-07-11 00:47:56,924 INFO L280 TraceCheckUtils]: 46: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:47:56,924 INFO L280 TraceCheckUtils]: 47: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-11 00:47:56,924 INFO L280 TraceCheckUtils]: 48: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-11 00:47:56,925 INFO L280 TraceCheckUtils]: 49: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-11 00:47:56,925 INFO L280 TraceCheckUtils]: 50: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:47:56,925 INFO L275 TraceCheckUtils]: 51: Hoare quadruple {3573#true} {3574#false} #71#return; {3574#false} is VALID [2020-07-11 00:47:56,925 INFO L280 TraceCheckUtils]: 52: Hoare triple {3574#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3574#false} is VALID [2020-07-11 00:47:56,925 INFO L280 TraceCheckUtils]: 53: Hoare triple {3574#false} #res := #t~ret0 + #t~ret1; {3574#false} is VALID [2020-07-11 00:47:56,926 INFO L280 TraceCheckUtils]: 54: Hoare triple {3574#false} havoc #t~ret1; {3574#false} is VALID [2020-07-11 00:47:56,926 INFO L280 TraceCheckUtils]: 55: Hoare triple {3574#false} havoc #t~ret0; {3574#false} is VALID [2020-07-11 00:47:56,926 INFO L280 TraceCheckUtils]: 56: Hoare triple {3574#false} assume true; {3574#false} is VALID [2020-07-11 00:47:56,926 INFO L275 TraceCheckUtils]: 57: Hoare quadruple {3574#false} {3577#(<= 4 main_~x~0)} #63#return; {3574#false} is VALID [2020-07-11 00:47:56,930 INFO L263 TraceCheckUtils]: 0: Hoare triple {3573#true} call ULTIMATE.init(); {3573#true} is VALID [2020-07-11 00:47:56,930 INFO L280 TraceCheckUtils]: 1: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:47:56,930 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3573#true} {3573#true} #59#return; {3573#true} is VALID [2020-07-11 00:47:56,931 INFO L263 TraceCheckUtils]: 3: Hoare triple {3573#true} call #t~ret5 := main(); {3573#true} is VALID [2020-07-11 00:47:56,931 INFO L280 TraceCheckUtils]: 4: Hoare triple {3573#true} ~x~0 := 4; {3577#(<= 4 main_~x~0)} is VALID [2020-07-11 00:47:56,932 INFO L263 TraceCheckUtils]: 5: Hoare triple {3577#(<= 4 main_~x~0)} call #t~ret4 := fibo1(~x~0); {3573#true} is VALID [2020-07-11 00:47:56,932 INFO L280 TraceCheckUtils]: 6: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:47:56,932 INFO L280 TraceCheckUtils]: 7: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-11 00:47:56,932 INFO L280 TraceCheckUtils]: 8: Hoare triple {3573#true} assume !(1 == ~n); {3573#true} is VALID [2020-07-11 00:47:56,932 INFO L263 TraceCheckUtils]: 9: Hoare triple {3573#true} call #t~ret0 := fibo2(~n - 1); {3573#true} is VALID [2020-07-11 00:47:56,933 INFO L280 TraceCheckUtils]: 10: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:47:56,933 INFO L280 TraceCheckUtils]: 11: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-11 00:47:56,933 INFO L280 TraceCheckUtils]: 12: Hoare triple {3573#true} assume !(1 == ~n); {3573#true} is VALID [2020-07-11 00:47:56,933 INFO L263 TraceCheckUtils]: 13: Hoare triple {3573#true} call #t~ret2 := fibo1(~n - 1); {3573#true} is VALID [2020-07-11 00:47:56,934 INFO L280 TraceCheckUtils]: 14: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,935 INFO L280 TraceCheckUtils]: 15: Hoare triple {3711#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {3712#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-11 00:47:56,936 INFO L280 TraceCheckUtils]: 16: Hoare triple {3712#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,936 INFO L263 TraceCheckUtils]: 17: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {3573#true} is VALID [2020-07-11 00:47:56,936 INFO L280 TraceCheckUtils]: 18: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:47:56,936 INFO L280 TraceCheckUtils]: 19: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-11 00:47:56,936 INFO L280 TraceCheckUtils]: 20: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-11 00:47:56,937 INFO L280 TraceCheckUtils]: 21: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-11 00:47:56,937 INFO L280 TraceCheckUtils]: 22: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:47:56,938 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #69#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,938 INFO L280 TraceCheckUtils]: 24: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,938 INFO L263 TraceCheckUtils]: 25: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3573#true} is VALID [2020-07-11 00:47:56,939 INFO L280 TraceCheckUtils]: 26: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:47:56,939 INFO L280 TraceCheckUtils]: 27: Hoare triple {3573#true} assume ~n < 1; {3573#true} is VALID [2020-07-11 00:47:56,939 INFO L280 TraceCheckUtils]: 28: Hoare triple {3573#true} #res := 0; {3573#true} is VALID [2020-07-11 00:47:56,939 INFO L280 TraceCheckUtils]: 29: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:47:56,940 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #71#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,941 INFO L280 TraceCheckUtils]: 31: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,941 INFO L280 TraceCheckUtils]: 32: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,942 INFO L280 TraceCheckUtils]: 33: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,942 INFO L280 TraceCheckUtils]: 34: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,943 INFO L280 TraceCheckUtils]: 35: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume true; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,944 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {3713#(<= 2 |fibo1_#in~n|)} {3573#true} #65#return; {3705#(<= 3 fibo2_~n)} is VALID [2020-07-11 00:47:56,945 INFO L280 TraceCheckUtils]: 37: Hoare triple {3705#(<= 3 fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3705#(<= 3 fibo2_~n)} is VALID [2020-07-11 00:47:56,945 INFO L263 TraceCheckUtils]: 38: Hoare triple {3705#(<= 3 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {3573#true} is VALID [2020-07-11 00:47:56,945 INFO L280 TraceCheckUtils]: 39: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:56,946 INFO L280 TraceCheckUtils]: 40: Hoare triple {3711#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:47:56,947 INFO L280 TraceCheckUtils]: 41: Hoare triple {3725#(<= |fibo1_#in~n| 0)} #res := 0; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:47:56,947 INFO L280 TraceCheckUtils]: 42: Hoare triple {3725#(<= |fibo1_#in~n| 0)} assume true; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:47:56,948 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {3725#(<= |fibo1_#in~n| 0)} {3705#(<= 3 fibo2_~n)} #67#return; {3574#false} is VALID [2020-07-11 00:47:56,948 INFO L280 TraceCheckUtils]: 44: Hoare triple {3574#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {3574#false} is VALID [2020-07-11 00:47:56,949 INFO L280 TraceCheckUtils]: 45: Hoare triple {3574#false} #res := #t~ret2 + #t~ret3; {3574#false} is VALID [2020-07-11 00:47:56,949 INFO L280 TraceCheckUtils]: 46: Hoare triple {3574#false} havoc #t~ret3; {3574#false} is VALID [2020-07-11 00:47:56,949 INFO L280 TraceCheckUtils]: 47: Hoare triple {3574#false} havoc #t~ret2; {3574#false} is VALID [2020-07-11 00:47:56,949 INFO L280 TraceCheckUtils]: 48: Hoare triple {3574#false} assume true; {3574#false} is VALID [2020-07-11 00:47:56,949 INFO L275 TraceCheckUtils]: 49: Hoare quadruple {3574#false} {3573#true} #69#return; {3574#false} is VALID [2020-07-11 00:47:56,950 INFO L280 TraceCheckUtils]: 50: Hoare triple {3574#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3574#false} is VALID [2020-07-11 00:47:56,950 INFO L263 TraceCheckUtils]: 51: Hoare triple {3574#false} call #t~ret1 := fibo2(~n - 2); {3573#true} is VALID [2020-07-11 00:47:56,950 INFO L280 TraceCheckUtils]: 52: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:47:56,950 INFO L280 TraceCheckUtils]: 53: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-11 00:47:56,950 INFO L280 TraceCheckUtils]: 54: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-11 00:47:56,950 INFO L280 TraceCheckUtils]: 55: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-11 00:47:56,951 INFO L280 TraceCheckUtils]: 56: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:47:56,951 INFO L275 TraceCheckUtils]: 57: Hoare quadruple {3573#true} {3574#false} #71#return; {3574#false} is VALID [2020-07-11 00:47:56,951 INFO L280 TraceCheckUtils]: 58: Hoare triple {3574#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3574#false} is VALID [2020-07-11 00:47:56,951 INFO L280 TraceCheckUtils]: 59: Hoare triple {3574#false} #res := #t~ret0 + #t~ret1; {3574#false} is VALID [2020-07-11 00:47:56,951 INFO L280 TraceCheckUtils]: 60: Hoare triple {3574#false} havoc #t~ret1; {3574#false} is VALID [2020-07-11 00:47:56,952 INFO L280 TraceCheckUtils]: 61: Hoare triple {3574#false} havoc #t~ret0; {3574#false} is VALID [2020-07-11 00:47:56,952 INFO L280 TraceCheckUtils]: 62: Hoare triple {3574#false} assume true; {3574#false} is VALID [2020-07-11 00:47:56,952 INFO L275 TraceCheckUtils]: 63: Hoare quadruple {3574#false} {3577#(<= 4 main_~x~0)} #63#return; {3574#false} is VALID [2020-07-11 00:47:56,952 INFO L280 TraceCheckUtils]: 64: Hoare triple {3574#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {3574#false} is VALID [2020-07-11 00:47:56,952 INFO L280 TraceCheckUtils]: 65: Hoare triple {3574#false} ~result~0 := #t~ret4; {3574#false} is VALID [2020-07-11 00:47:56,952 INFO L280 TraceCheckUtils]: 66: Hoare triple {3574#false} havoc #t~ret4; {3574#false} is VALID [2020-07-11 00:47:56,953 INFO L280 TraceCheckUtils]: 67: Hoare triple {3574#false} assume 3 != ~result~0; {3574#false} is VALID [2020-07-11 00:47:56,953 INFO L280 TraceCheckUtils]: 68: Hoare triple {3574#false} assume !false; {3574#false} is VALID [2020-07-11 00:47:56,956 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-07-11 00:47:56,957 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2109730106] [2020-07-11 00:47:56,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 00:47:56,957 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-07-11 00:47:56,957 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070057864] [2020-07-11 00:47:56,958 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 69 [2020-07-11 00:47:56,958 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:47:56,959 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-11 00:47:57,022 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 59 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:47:57,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-11 00:47:57,023 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:47:57,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-11 00:47:57,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-11 00:47:57,023 INFO L87 Difference]: Start difference. First operand 106 states and 145 transitions. Second operand 8 states. [2020-07-11 00:47:57,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:47:57,835 INFO L93 Difference]: Finished difference Result 227 states and 348 transitions. [2020-07-11 00:47:57,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-11 00:47:57,835 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 69 [2020-07-11 00:47:57,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:47:57,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-11 00:47:57,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 113 transitions. [2020-07-11 00:47:57,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-11 00:47:57,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 113 transitions. [2020-07-11 00:47:57,845 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 113 transitions. [2020-07-11 00:47:57,959 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 113 edges. 113 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:47:57,964 INFO L225 Difference]: With dead ends: 227 [2020-07-11 00:47:57,964 INFO L226 Difference]: Without dead ends: 127 [2020-07-11 00:47:57,966 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-07-11 00:47:57,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-07-11 00:47:58,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 115. [2020-07-11 00:47:58,200 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:47:58,200 INFO L82 GeneralOperation]: Start isEquivalent. First operand 127 states. Second operand 115 states. [2020-07-11 00:47:58,200 INFO L74 IsIncluded]: Start isIncluded. First operand 127 states. Second operand 115 states. [2020-07-11 00:47:58,200 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 115 states. [2020-07-11 00:47:58,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:47:58,209 INFO L93 Difference]: Finished difference Result 127 states and 180 transitions. [2020-07-11 00:47:58,210 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 180 transitions. [2020-07-11 00:47:58,211 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:47:58,211 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:47:58,211 INFO L74 IsIncluded]: Start isIncluded. First operand 115 states. Second operand 127 states. [2020-07-11 00:47:58,211 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 127 states. [2020-07-11 00:47:58,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:47:58,219 INFO L93 Difference]: Finished difference Result 127 states and 180 transitions. [2020-07-11 00:47:58,220 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 180 transitions. [2020-07-11 00:47:58,221 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:47:58,221 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:47:58,221 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:47:58,221 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:47:58,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-07-11 00:47:58,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 161 transitions. [2020-07-11 00:47:58,228 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 161 transitions. Word has length 69 [2020-07-11 00:47:58,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:47:58,228 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 161 transitions. [2020-07-11 00:47:58,228 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-11 00:47:58,228 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 115 states and 161 transitions. [2020-07-11 00:47:58,433 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 161 edges. 161 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:47:58,434 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 161 transitions. [2020-07-11 00:47:58,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-11 00:47:58,436 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:47:58,437 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 00:47:58,437 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-11 00:47:58,437 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:47:58,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:47:58,438 INFO L82 PathProgramCache]: Analyzing trace with hash -439633211, now seen corresponding path program 1 times [2020-07-11 00:47:58,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:47:58,439 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [380270260] [2020-07-11 00:47:58,439 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:47:58,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:58,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:58,508 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:47:58,509 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {4671#true} {4671#true} #59#return; {4671#true} is VALID [2020-07-11 00:47:58,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:58,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:58,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:58,690 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:47:58,690 INFO L280 TraceCheckUtils]: 1: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-11 00:47:58,691 INFO L280 TraceCheckUtils]: 2: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-11 00:47:58,691 INFO L280 TraceCheckUtils]: 3: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-11 00:47:58,691 INFO L280 TraceCheckUtils]: 4: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:47:58,692 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #69#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:58,697 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:47:58,698 INFO L280 TraceCheckUtils]: 1: Hoare triple {4671#true} assume ~n < 1; {4671#true} is VALID [2020-07-11 00:47:58,698 INFO L280 TraceCheckUtils]: 2: Hoare triple {4671#true} #res := 0; {4671#true} is VALID [2020-07-11 00:47:58,698 INFO L280 TraceCheckUtils]: 3: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:47:58,699 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #71#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,700 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} ~n := #in~n; {4814#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,700 INFO L280 TraceCheckUtils]: 1: Hoare triple {4814#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {4815#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-11 00:47:58,701 INFO L280 TraceCheckUtils]: 2: Hoare triple {4815#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,701 INFO L263 TraceCheckUtils]: 3: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4671#true} is VALID [2020-07-11 00:47:58,702 INFO L280 TraceCheckUtils]: 4: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:47:58,702 INFO L280 TraceCheckUtils]: 5: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-11 00:47:58,702 INFO L280 TraceCheckUtils]: 6: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-11 00:47:58,702 INFO L280 TraceCheckUtils]: 7: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-11 00:47:58,702 INFO L280 TraceCheckUtils]: 8: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:47:58,703 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #69#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,704 INFO L280 TraceCheckUtils]: 10: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,704 INFO L263 TraceCheckUtils]: 11: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4671#true} is VALID [2020-07-11 00:47:58,704 INFO L280 TraceCheckUtils]: 12: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:47:58,704 INFO L280 TraceCheckUtils]: 13: Hoare triple {4671#true} assume ~n < 1; {4671#true} is VALID [2020-07-11 00:47:58,705 INFO L280 TraceCheckUtils]: 14: Hoare triple {4671#true} #res := 0; {4671#true} is VALID [2020-07-11 00:47:58,705 INFO L280 TraceCheckUtils]: 15: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:47:58,705 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #71#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,706 INFO L280 TraceCheckUtils]: 17: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,707 INFO L280 TraceCheckUtils]: 18: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,707 INFO L280 TraceCheckUtils]: 19: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,708 INFO L280 TraceCheckUtils]: 20: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,708 INFO L280 TraceCheckUtils]: 21: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume true; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,709 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {4816#(<= 2 |fibo1_#in~n|)} {4783#(= fibo2_~n |fibo2_#in~n|)} #65#return; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:58,716 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:47:58,717 INFO L280 TraceCheckUtils]: 1: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-11 00:47:58,717 INFO L280 TraceCheckUtils]: 2: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-11 00:47:58,717 INFO L280 TraceCheckUtils]: 3: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-11 00:47:58,717 INFO L280 TraceCheckUtils]: 4: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:47:58,718 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {4671#true} {4807#(<= 3 |fibo2_#in~n|)} #67#return; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,719 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} ~n := #in~n; {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,719 INFO L280 TraceCheckUtils]: 1: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,720 INFO L280 TraceCheckUtils]: 2: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,720 INFO L263 TraceCheckUtils]: 3: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4671#true} is VALID [2020-07-11 00:47:58,720 INFO L280 TraceCheckUtils]: 4: Hoare triple {4671#true} ~n := #in~n; {4814#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,721 INFO L280 TraceCheckUtils]: 5: Hoare triple {4814#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {4815#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-11 00:47:58,722 INFO L280 TraceCheckUtils]: 6: Hoare triple {4815#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,722 INFO L263 TraceCheckUtils]: 7: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4671#true} is VALID [2020-07-11 00:47:58,723 INFO L280 TraceCheckUtils]: 8: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:47:58,723 INFO L280 TraceCheckUtils]: 9: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-11 00:47:58,723 INFO L280 TraceCheckUtils]: 10: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-11 00:47:58,723 INFO L280 TraceCheckUtils]: 11: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-11 00:47:58,724 INFO L280 TraceCheckUtils]: 12: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:47:58,725 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #69#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,725 INFO L280 TraceCheckUtils]: 14: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,725 INFO L263 TraceCheckUtils]: 15: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4671#true} is VALID [2020-07-11 00:47:58,726 INFO L280 TraceCheckUtils]: 16: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:47:58,726 INFO L280 TraceCheckUtils]: 17: Hoare triple {4671#true} assume ~n < 1; {4671#true} is VALID [2020-07-11 00:47:58,726 INFO L280 TraceCheckUtils]: 18: Hoare triple {4671#true} #res := 0; {4671#true} is VALID [2020-07-11 00:47:58,726 INFO L280 TraceCheckUtils]: 19: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:47:58,727 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #71#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,728 INFO L280 TraceCheckUtils]: 21: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,728 INFO L280 TraceCheckUtils]: 22: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,729 INFO L280 TraceCheckUtils]: 23: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,729 INFO L280 TraceCheckUtils]: 24: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,730 INFO L280 TraceCheckUtils]: 25: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume true; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,731 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {4816#(<= 2 |fibo1_#in~n|)} {4783#(= fibo2_~n |fibo2_#in~n|)} #65#return; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,732 INFO L280 TraceCheckUtils]: 27: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,732 INFO L263 TraceCheckUtils]: 28: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4671#true} is VALID [2020-07-11 00:47:58,732 INFO L280 TraceCheckUtils]: 29: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:47:58,732 INFO L280 TraceCheckUtils]: 30: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-11 00:47:58,732 INFO L280 TraceCheckUtils]: 31: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-11 00:47:58,733 INFO L280 TraceCheckUtils]: 32: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-11 00:47:58,733 INFO L280 TraceCheckUtils]: 33: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:47:58,734 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {4671#true} {4807#(<= 3 |fibo2_#in~n|)} #67#return; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,734 INFO L280 TraceCheckUtils]: 35: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,735 INFO L280 TraceCheckUtils]: 36: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,735 INFO L280 TraceCheckUtils]: 37: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} havoc #t~ret3; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,736 INFO L280 TraceCheckUtils]: 38: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} havoc #t~ret2; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,736 INFO L280 TraceCheckUtils]: 39: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} assume true; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,737 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {4807#(<= 3 |fibo2_#in~n|)} {4671#true} #69#return; {4776#(<= 4 fibo1_~n)} is VALID [2020-07-11 00:47:58,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:47:58,760 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} ~n := #in~n; {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,760 INFO L280 TraceCheckUtils]: 1: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,761 INFO L280 TraceCheckUtils]: 2: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:47:58,762 INFO L280 TraceCheckUtils]: 3: Hoare triple {4828#(<= |fibo2_#in~n| 1)} #res := 1; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:47:58,762 INFO L280 TraceCheckUtils]: 4: Hoare triple {4828#(<= |fibo2_#in~n| 1)} assume true; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:47:58,763 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {4828#(<= |fibo2_#in~n| 1)} {4776#(<= 4 fibo1_~n)} #71#return; {4672#false} is VALID [2020-07-11 00:47:58,764 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:47:58,764 INFO L280 TraceCheckUtils]: 1: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-11 00:47:58,764 INFO L280 TraceCheckUtils]: 2: Hoare triple {4671#true} assume !(1 == ~n); {4671#true} is VALID [2020-07-11 00:47:58,764 INFO L263 TraceCheckUtils]: 3: Hoare triple {4671#true} call #t~ret0 := fibo2(~n - 1); {4671#true} is VALID [2020-07-11 00:47:58,765 INFO L280 TraceCheckUtils]: 4: Hoare triple {4671#true} ~n := #in~n; {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,765 INFO L280 TraceCheckUtils]: 5: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,766 INFO L280 TraceCheckUtils]: 6: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,766 INFO L263 TraceCheckUtils]: 7: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4671#true} is VALID [2020-07-11 00:47:58,767 INFO L280 TraceCheckUtils]: 8: Hoare triple {4671#true} ~n := #in~n; {4814#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,768 INFO L280 TraceCheckUtils]: 9: Hoare triple {4814#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {4815#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-11 00:47:58,768 INFO L280 TraceCheckUtils]: 10: Hoare triple {4815#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,769 INFO L263 TraceCheckUtils]: 11: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4671#true} is VALID [2020-07-11 00:47:58,769 INFO L280 TraceCheckUtils]: 12: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:47:58,769 INFO L280 TraceCheckUtils]: 13: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-11 00:47:58,769 INFO L280 TraceCheckUtils]: 14: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-11 00:47:58,769 INFO L280 TraceCheckUtils]: 15: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-11 00:47:58,770 INFO L280 TraceCheckUtils]: 16: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:47:58,771 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #69#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,771 INFO L280 TraceCheckUtils]: 18: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,771 INFO L263 TraceCheckUtils]: 19: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4671#true} is VALID [2020-07-11 00:47:58,772 INFO L280 TraceCheckUtils]: 20: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:47:58,772 INFO L280 TraceCheckUtils]: 21: Hoare triple {4671#true} assume ~n < 1; {4671#true} is VALID [2020-07-11 00:47:58,772 INFO L280 TraceCheckUtils]: 22: Hoare triple {4671#true} #res := 0; {4671#true} is VALID [2020-07-11 00:47:58,772 INFO L280 TraceCheckUtils]: 23: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:47:58,773 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #71#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,774 INFO L280 TraceCheckUtils]: 25: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,774 INFO L280 TraceCheckUtils]: 26: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,775 INFO L280 TraceCheckUtils]: 27: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,776 INFO L280 TraceCheckUtils]: 28: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,776 INFO L280 TraceCheckUtils]: 29: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume true; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,777 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {4816#(<= 2 |fibo1_#in~n|)} {4783#(= fibo2_~n |fibo2_#in~n|)} #65#return; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,778 INFO L280 TraceCheckUtils]: 31: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,778 INFO L263 TraceCheckUtils]: 32: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4671#true} is VALID [2020-07-11 00:47:58,778 INFO L280 TraceCheckUtils]: 33: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:47:58,779 INFO L280 TraceCheckUtils]: 34: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-11 00:47:58,779 INFO L280 TraceCheckUtils]: 35: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-11 00:47:58,779 INFO L280 TraceCheckUtils]: 36: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-11 00:47:58,779 INFO L280 TraceCheckUtils]: 37: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:47:58,780 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {4671#true} {4807#(<= 3 |fibo2_#in~n|)} #67#return; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,780 INFO L280 TraceCheckUtils]: 39: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,781 INFO L280 TraceCheckUtils]: 40: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,781 INFO L280 TraceCheckUtils]: 41: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} havoc #t~ret3; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,782 INFO L280 TraceCheckUtils]: 42: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} havoc #t~ret2; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,783 INFO L280 TraceCheckUtils]: 43: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} assume true; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,784 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {4807#(<= 3 |fibo2_#in~n|)} {4671#true} #69#return; {4776#(<= 4 fibo1_~n)} is VALID [2020-07-11 00:47:58,784 INFO L280 TraceCheckUtils]: 45: Hoare triple {4776#(<= 4 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4776#(<= 4 fibo1_~n)} is VALID [2020-07-11 00:47:58,784 INFO L263 TraceCheckUtils]: 46: Hoare triple {4776#(<= 4 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {4671#true} is VALID [2020-07-11 00:47:58,785 INFO L280 TraceCheckUtils]: 47: Hoare triple {4671#true} ~n := #in~n; {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,785 INFO L280 TraceCheckUtils]: 48: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,786 INFO L280 TraceCheckUtils]: 49: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:47:58,787 INFO L280 TraceCheckUtils]: 50: Hoare triple {4828#(<= |fibo2_#in~n| 1)} #res := 1; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:47:58,787 INFO L280 TraceCheckUtils]: 51: Hoare triple {4828#(<= |fibo2_#in~n| 1)} assume true; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:47:58,788 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {4828#(<= |fibo2_#in~n| 1)} {4776#(<= 4 fibo1_~n)} #71#return; {4672#false} is VALID [2020-07-11 00:47:58,788 INFO L280 TraceCheckUtils]: 53: Hoare triple {4672#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {4672#false} is VALID [2020-07-11 00:47:58,788 INFO L280 TraceCheckUtils]: 54: Hoare triple {4672#false} #res := #t~ret0 + #t~ret1; {4672#false} is VALID [2020-07-11 00:47:58,789 INFO L280 TraceCheckUtils]: 55: Hoare triple {4672#false} havoc #t~ret1; {4672#false} is VALID [2020-07-11 00:47:58,789 INFO L280 TraceCheckUtils]: 56: Hoare triple {4672#false} havoc #t~ret0; {4672#false} is VALID [2020-07-11 00:47:58,789 INFO L280 TraceCheckUtils]: 57: Hoare triple {4672#false} assume true; {4672#false} is VALID [2020-07-11 00:47:58,789 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {4672#false} {4675#(<= 4 main_~x~0)} #63#return; {4672#false} is VALID [2020-07-11 00:47:58,792 INFO L263 TraceCheckUtils]: 0: Hoare triple {4671#true} call ULTIMATE.init(); {4671#true} is VALID [2020-07-11 00:47:58,792 INFO L280 TraceCheckUtils]: 1: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:47:58,792 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4671#true} {4671#true} #59#return; {4671#true} is VALID [2020-07-11 00:47:58,793 INFO L263 TraceCheckUtils]: 3: Hoare triple {4671#true} call #t~ret5 := main(); {4671#true} is VALID [2020-07-11 00:47:58,793 INFO L280 TraceCheckUtils]: 4: Hoare triple {4671#true} ~x~0 := 4; {4675#(<= 4 main_~x~0)} is VALID [2020-07-11 00:47:58,793 INFO L263 TraceCheckUtils]: 5: Hoare triple {4675#(<= 4 main_~x~0)} call #t~ret4 := fibo1(~x~0); {4671#true} is VALID [2020-07-11 00:47:58,794 INFO L280 TraceCheckUtils]: 6: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:47:58,794 INFO L280 TraceCheckUtils]: 7: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-11 00:47:58,794 INFO L280 TraceCheckUtils]: 8: Hoare triple {4671#true} assume !(1 == ~n); {4671#true} is VALID [2020-07-11 00:47:58,794 INFO L263 TraceCheckUtils]: 9: Hoare triple {4671#true} call #t~ret0 := fibo2(~n - 1); {4671#true} is VALID [2020-07-11 00:47:58,795 INFO L280 TraceCheckUtils]: 10: Hoare triple {4671#true} ~n := #in~n; {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,795 INFO L280 TraceCheckUtils]: 11: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,796 INFO L280 TraceCheckUtils]: 12: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,796 INFO L263 TraceCheckUtils]: 13: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4671#true} is VALID [2020-07-11 00:47:58,796 INFO L280 TraceCheckUtils]: 14: Hoare triple {4671#true} ~n := #in~n; {4814#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,797 INFO L280 TraceCheckUtils]: 15: Hoare triple {4814#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {4815#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-11 00:47:58,798 INFO L280 TraceCheckUtils]: 16: Hoare triple {4815#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,798 INFO L263 TraceCheckUtils]: 17: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4671#true} is VALID [2020-07-11 00:47:58,798 INFO L280 TraceCheckUtils]: 18: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:47:58,798 INFO L280 TraceCheckUtils]: 19: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-11 00:47:58,799 INFO L280 TraceCheckUtils]: 20: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-11 00:47:58,799 INFO L280 TraceCheckUtils]: 21: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-11 00:47:58,799 INFO L280 TraceCheckUtils]: 22: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:47:58,800 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #69#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,800 INFO L280 TraceCheckUtils]: 24: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,800 INFO L263 TraceCheckUtils]: 25: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4671#true} is VALID [2020-07-11 00:47:58,801 INFO L280 TraceCheckUtils]: 26: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:47:58,801 INFO L280 TraceCheckUtils]: 27: Hoare triple {4671#true} assume ~n < 1; {4671#true} is VALID [2020-07-11 00:47:58,801 INFO L280 TraceCheckUtils]: 28: Hoare triple {4671#true} #res := 0; {4671#true} is VALID [2020-07-11 00:47:58,801 INFO L280 TraceCheckUtils]: 29: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:47:58,802 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #71#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,802 INFO L280 TraceCheckUtils]: 31: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,803 INFO L280 TraceCheckUtils]: 32: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,803 INFO L280 TraceCheckUtils]: 33: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,804 INFO L280 TraceCheckUtils]: 34: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,804 INFO L280 TraceCheckUtils]: 35: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume true; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:47:58,806 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {4816#(<= 2 |fibo1_#in~n|)} {4783#(= fibo2_~n |fibo2_#in~n|)} #65#return; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,806 INFO L280 TraceCheckUtils]: 37: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,806 INFO L263 TraceCheckUtils]: 38: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4671#true} is VALID [2020-07-11 00:47:58,807 INFO L280 TraceCheckUtils]: 39: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:47:58,807 INFO L280 TraceCheckUtils]: 40: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-11 00:47:58,807 INFO L280 TraceCheckUtils]: 41: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-11 00:47:58,807 INFO L280 TraceCheckUtils]: 42: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-11 00:47:58,807 INFO L280 TraceCheckUtils]: 43: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:47:58,808 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {4671#true} {4807#(<= 3 |fibo2_#in~n|)} #67#return; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,809 INFO L280 TraceCheckUtils]: 45: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,809 INFO L280 TraceCheckUtils]: 46: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,810 INFO L280 TraceCheckUtils]: 47: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} havoc #t~ret3; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,810 INFO L280 TraceCheckUtils]: 48: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} havoc #t~ret2; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,811 INFO L280 TraceCheckUtils]: 49: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} assume true; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,812 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {4807#(<= 3 |fibo2_#in~n|)} {4671#true} #69#return; {4776#(<= 4 fibo1_~n)} is VALID [2020-07-11 00:47:58,813 INFO L280 TraceCheckUtils]: 51: Hoare triple {4776#(<= 4 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4776#(<= 4 fibo1_~n)} is VALID [2020-07-11 00:47:58,813 INFO L263 TraceCheckUtils]: 52: Hoare triple {4776#(<= 4 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {4671#true} is VALID [2020-07-11 00:47:58,813 INFO L280 TraceCheckUtils]: 53: Hoare triple {4671#true} ~n := #in~n; {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,814 INFO L280 TraceCheckUtils]: 54: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:47:58,814 INFO L280 TraceCheckUtils]: 55: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:47:58,815 INFO L280 TraceCheckUtils]: 56: Hoare triple {4828#(<= |fibo2_#in~n| 1)} #res := 1; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:47:58,815 INFO L280 TraceCheckUtils]: 57: Hoare triple {4828#(<= |fibo2_#in~n| 1)} assume true; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:47:58,816 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {4828#(<= |fibo2_#in~n| 1)} {4776#(<= 4 fibo1_~n)} #71#return; {4672#false} is VALID [2020-07-11 00:47:58,817 INFO L280 TraceCheckUtils]: 59: Hoare triple {4672#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {4672#false} is VALID [2020-07-11 00:47:58,817 INFO L280 TraceCheckUtils]: 60: Hoare triple {4672#false} #res := #t~ret0 + #t~ret1; {4672#false} is VALID [2020-07-11 00:47:58,817 INFO L280 TraceCheckUtils]: 61: Hoare triple {4672#false} havoc #t~ret1; {4672#false} is VALID [2020-07-11 00:47:58,817 INFO L280 TraceCheckUtils]: 62: Hoare triple {4672#false} havoc #t~ret0; {4672#false} is VALID [2020-07-11 00:47:58,817 INFO L280 TraceCheckUtils]: 63: Hoare triple {4672#false} assume true; {4672#false} is VALID [2020-07-11 00:47:58,818 INFO L275 TraceCheckUtils]: 64: Hoare quadruple {4672#false} {4675#(<= 4 main_~x~0)} #63#return; {4672#false} is VALID [2020-07-11 00:47:58,818 INFO L280 TraceCheckUtils]: 65: Hoare triple {4672#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {4672#false} is VALID [2020-07-11 00:47:58,818 INFO L280 TraceCheckUtils]: 66: Hoare triple {4672#false} ~result~0 := #t~ret4; {4672#false} is VALID [2020-07-11 00:47:58,818 INFO L280 TraceCheckUtils]: 67: Hoare triple {4672#false} havoc #t~ret4; {4672#false} is VALID [2020-07-11 00:47:58,818 INFO L280 TraceCheckUtils]: 68: Hoare triple {4672#false} assume 3 != ~result~0; {4672#false} is VALID [2020-07-11 00:47:58,818 INFO L280 TraceCheckUtils]: 69: Hoare triple {4672#false} assume !false; {4672#false} is VALID [2020-07-11 00:47:58,822 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 23 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-07-11 00:47:58,822 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [380270260] [2020-07-11 00:47:58,823 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 00:47:58,823 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-07-11 00:47:58,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134843915] [2020-07-11 00:47:58,828 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 70 [2020-07-11 00:47:58,830 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:47:58,830 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2020-07-11 00:47:58,893 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:47:58,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-11 00:47:58,894 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:47:58,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-11 00:47:58,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-07-11 00:47:58,895 INFO L87 Difference]: Start difference. First operand 115 states and 161 transitions. Second operand 10 states. [2020-07-11 00:48:00,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:00,047 INFO L93 Difference]: Finished difference Result 257 states and 400 transitions. [2020-07-11 00:48:00,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-11 00:48:00,047 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 70 [2020-07-11 00:48:00,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:48:00,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-11 00:48:00,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 127 transitions. [2020-07-11 00:48:00,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-11 00:48:00,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 127 transitions. [2020-07-11 00:48:00,066 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 127 transitions. [2020-07-11 00:48:00,220 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 127 edges. 127 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:48:00,229 INFO L225 Difference]: With dead ends: 257 [2020-07-11 00:48:00,229 INFO L226 Difference]: Without dead ends: 151 [2020-07-11 00:48:00,231 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-07-11 00:48:00,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-07-11 00:48:00,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 133. [2020-07-11 00:48:00,552 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:48:00,552 INFO L82 GeneralOperation]: Start isEquivalent. First operand 151 states. Second operand 133 states. [2020-07-11 00:48:00,552 INFO L74 IsIncluded]: Start isIncluded. First operand 151 states. Second operand 133 states. [2020-07-11 00:48:00,552 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 133 states. [2020-07-11 00:48:00,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:00,561 INFO L93 Difference]: Finished difference Result 151 states and 217 transitions. [2020-07-11 00:48:00,562 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 217 transitions. [2020-07-11 00:48:00,563 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:48:00,563 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:48:00,563 INFO L74 IsIncluded]: Start isIncluded. First operand 133 states. Second operand 151 states. [2020-07-11 00:48:00,564 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 151 states. [2020-07-11 00:48:00,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:00,572 INFO L93 Difference]: Finished difference Result 151 states and 217 transitions. [2020-07-11 00:48:00,572 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 217 transitions. [2020-07-11 00:48:00,573 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:48:00,574 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:48:00,574 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:48:00,574 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:48:00,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-07-11 00:48:00,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 191 transitions. [2020-07-11 00:48:00,581 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 191 transitions. Word has length 70 [2020-07-11 00:48:00,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:48:00,581 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 191 transitions. [2020-07-11 00:48:00,581 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-11 00:48:00,581 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 133 states and 191 transitions. [2020-07-11 00:48:00,875 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 191 edges. 191 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:48:00,876 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 191 transitions. [2020-07-11 00:48:00,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-07-11 00:48:00,877 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:48:00,878 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 00:48:00,878 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-11 00:48:00,878 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:48:00,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:48:00,878 INFO L82 PathProgramCache]: Analyzing trace with hash 307755032, now seen corresponding path program 2 times [2020-07-11 00:48:00,878 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:48:00,879 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [588654541] [2020-07-11 00:48:00,879 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:48:00,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:00,958 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:00,958 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {5924#true} {5924#true} #59#return; {5924#true} is VALID [2020-07-11 00:48:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:01,132 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,133 INFO L280 TraceCheckUtils]: 1: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,133 INFO L280 TraceCheckUtils]: 2: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:01,134 INFO L280 TraceCheckUtils]: 3: Hoare triple {6150#(<= |fibo2_#in~n| 1)} #res := 1; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:01,135 INFO L280 TraceCheckUtils]: 4: Hoare triple {6150#(<= |fibo2_#in~n| 1)} assume true; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:01,136 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {6150#(<= |fibo2_#in~n| 1)} {6137#(= fibo1_~n |fibo1_#in~n|)} #69#return; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:01,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:01,142 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:01,142 INFO L280 TraceCheckUtils]: 1: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-11 00:48:01,142 INFO L280 TraceCheckUtils]: 2: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-11 00:48:01,143 INFO L280 TraceCheckUtils]: 3: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:01,143 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {5924#true} {6144#(<= |fibo1_#in~n| 2)} #71#return; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:01,144 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,144 INFO L280 TraceCheckUtils]: 1: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,146 INFO L280 TraceCheckUtils]: 2: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,147 INFO L263 TraceCheckUtils]: 3: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-11 00:48:01,149 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,156 INFO L280 TraceCheckUtils]: 5: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,156 INFO L280 TraceCheckUtils]: 6: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:01,157 INFO L280 TraceCheckUtils]: 7: Hoare triple {6150#(<= |fibo2_#in~n| 1)} #res := 1; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:01,157 INFO L280 TraceCheckUtils]: 8: Hoare triple {6150#(<= |fibo2_#in~n| 1)} assume true; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:01,158 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {6150#(<= |fibo2_#in~n| 1)} {6137#(= fibo1_~n |fibo1_#in~n|)} #69#return; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:01,159 INFO L280 TraceCheckUtils]: 10: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:01,159 INFO L263 TraceCheckUtils]: 11: Hoare triple {6144#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-11 00:48:01,159 INFO L280 TraceCheckUtils]: 12: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:01,160 INFO L280 TraceCheckUtils]: 13: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-11 00:48:01,160 INFO L280 TraceCheckUtils]: 14: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-11 00:48:01,160 INFO L280 TraceCheckUtils]: 15: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:01,161 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {5924#true} {6144#(<= |fibo1_#in~n| 2)} #71#return; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:01,161 INFO L280 TraceCheckUtils]: 17: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:01,162 INFO L280 TraceCheckUtils]: 18: Hoare triple {6144#(<= |fibo1_#in~n| 2)} #res := #t~ret0 + #t~ret1; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:01,162 INFO L280 TraceCheckUtils]: 19: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret1; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:01,163 INFO L280 TraceCheckUtils]: 20: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret0; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:01,163 INFO L280 TraceCheckUtils]: 21: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume true; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:01,164 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {6144#(<= |fibo1_#in~n| 2)} {6106#(= fibo2_~n |fibo2_#in~n|)} #65#return; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:48:01,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:01,169 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:01,170 INFO L280 TraceCheckUtils]: 1: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:48:01,170 INFO L280 TraceCheckUtils]: 2: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-11 00:48:01,170 INFO L280 TraceCheckUtils]: 3: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-11 00:48:01,170 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:01,171 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {5924#true} {6130#(<= |fibo2_#in~n| 3)} #67#return; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:48:01,172 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,172 INFO L280 TraceCheckUtils]: 1: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,173 INFO L280 TraceCheckUtils]: 2: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,173 INFO L263 TraceCheckUtils]: 3: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {5924#true} is VALID [2020-07-11 00:48:01,173 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,174 INFO L280 TraceCheckUtils]: 5: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,174 INFO L280 TraceCheckUtils]: 6: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,175 INFO L263 TraceCheckUtils]: 7: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-11 00:48:01,175 INFO L280 TraceCheckUtils]: 8: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,175 INFO L280 TraceCheckUtils]: 9: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,176 INFO L280 TraceCheckUtils]: 10: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:01,176 INFO L280 TraceCheckUtils]: 11: Hoare triple {6150#(<= |fibo2_#in~n| 1)} #res := 1; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:01,177 INFO L280 TraceCheckUtils]: 12: Hoare triple {6150#(<= |fibo2_#in~n| 1)} assume true; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:01,178 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {6150#(<= |fibo2_#in~n| 1)} {6137#(= fibo1_~n |fibo1_#in~n|)} #69#return; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:01,179 INFO L280 TraceCheckUtils]: 14: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:01,179 INFO L263 TraceCheckUtils]: 15: Hoare triple {6144#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-11 00:48:01,179 INFO L280 TraceCheckUtils]: 16: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:01,179 INFO L280 TraceCheckUtils]: 17: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-11 00:48:01,179 INFO L280 TraceCheckUtils]: 18: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-11 00:48:01,179 INFO L280 TraceCheckUtils]: 19: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:01,180 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {5924#true} {6144#(<= |fibo1_#in~n| 2)} #71#return; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:01,181 INFO L280 TraceCheckUtils]: 21: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:01,181 INFO L280 TraceCheckUtils]: 22: Hoare triple {6144#(<= |fibo1_#in~n| 2)} #res := #t~ret0 + #t~ret1; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:01,182 INFO L280 TraceCheckUtils]: 23: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret1; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:01,182 INFO L280 TraceCheckUtils]: 24: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret0; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:01,183 INFO L280 TraceCheckUtils]: 25: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume true; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:01,184 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {6144#(<= |fibo1_#in~n| 2)} {6106#(= fibo2_~n |fibo2_#in~n|)} #65#return; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:48:01,184 INFO L280 TraceCheckUtils]: 27: Hoare triple {6130#(<= |fibo2_#in~n| 3)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:48:01,184 INFO L263 TraceCheckUtils]: 28: Hoare triple {6130#(<= |fibo2_#in~n| 3)} call #t~ret3 := fibo1(~n - 2); {5924#true} is VALID [2020-07-11 00:48:01,185 INFO L280 TraceCheckUtils]: 29: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:01,185 INFO L280 TraceCheckUtils]: 30: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:48:01,185 INFO L280 TraceCheckUtils]: 31: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-11 00:48:01,185 INFO L280 TraceCheckUtils]: 32: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-11 00:48:01,185 INFO L280 TraceCheckUtils]: 33: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:01,186 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {5924#true} {6130#(<= |fibo2_#in~n| 3)} #67#return; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:48:01,187 INFO L280 TraceCheckUtils]: 35: Hoare triple {6130#(<= |fibo2_#in~n| 3)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:48:01,187 INFO L280 TraceCheckUtils]: 36: Hoare triple {6130#(<= |fibo2_#in~n| 3)} #res := #t~ret2 + #t~ret3; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:48:01,188 INFO L280 TraceCheckUtils]: 37: Hoare triple {6130#(<= |fibo2_#in~n| 3)} havoc #t~ret3; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:48:01,188 INFO L280 TraceCheckUtils]: 38: Hoare triple {6130#(<= |fibo2_#in~n| 3)} havoc #t~ret2; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:48:01,189 INFO L280 TraceCheckUtils]: 39: Hoare triple {6130#(<= |fibo2_#in~n| 3)} assume true; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:48:01,190 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {6130#(<= |fibo2_#in~n| 3)} {5924#true} #69#return; {6064#(<= fibo1_~n 4)} is VALID [2020-07-11 00:48:01,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:01,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:01,294 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:01,294 INFO L280 TraceCheckUtils]: 1: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:48:01,295 INFO L280 TraceCheckUtils]: 2: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-11 00:48:01,295 INFO L280 TraceCheckUtils]: 3: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-11 00:48:01,295 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:01,296 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #69#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:01,300 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:01,300 INFO L280 TraceCheckUtils]: 1: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-11 00:48:01,300 INFO L280 TraceCheckUtils]: 2: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-11 00:48:01,301 INFO L280 TraceCheckUtils]: 3: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:01,302 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #71#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,302 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,303 INFO L280 TraceCheckUtils]: 1: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6181#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-11 00:48:01,304 INFO L280 TraceCheckUtils]: 2: Hoare triple {6181#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,304 INFO L263 TraceCheckUtils]: 3: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-11 00:48:01,304 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:01,304 INFO L280 TraceCheckUtils]: 5: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:48:01,305 INFO L280 TraceCheckUtils]: 6: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-11 00:48:01,305 INFO L280 TraceCheckUtils]: 7: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-11 00:48:01,305 INFO L280 TraceCheckUtils]: 8: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:01,306 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #69#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,306 INFO L280 TraceCheckUtils]: 10: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,307 INFO L263 TraceCheckUtils]: 11: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-11 00:48:01,307 INFO L280 TraceCheckUtils]: 12: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:01,307 INFO L280 TraceCheckUtils]: 13: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-11 00:48:01,307 INFO L280 TraceCheckUtils]: 14: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-11 00:48:01,307 INFO L280 TraceCheckUtils]: 15: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:01,308 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #71#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,309 INFO L280 TraceCheckUtils]: 17: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,309 INFO L280 TraceCheckUtils]: 18: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,310 INFO L280 TraceCheckUtils]: 19: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,310 INFO L280 TraceCheckUtils]: 20: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,311 INFO L280 TraceCheckUtils]: 21: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume true; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,312 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {6182#(<= 2 |fibo1_#in~n|)} {6106#(= fibo2_~n |fibo2_#in~n|)} #65#return; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:01,316 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:01,317 INFO L280 TraceCheckUtils]: 1: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:48:01,317 INFO L280 TraceCheckUtils]: 2: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-11 00:48:01,317 INFO L280 TraceCheckUtils]: 3: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-11 00:48:01,317 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:01,319 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {5924#true} {6174#(<= 3 |fibo2_#in~n|)} #67#return; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,320 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,321 INFO L280 TraceCheckUtils]: 1: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,321 INFO L280 TraceCheckUtils]: 2: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,322 INFO L263 TraceCheckUtils]: 3: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {5924#true} is VALID [2020-07-11 00:48:01,323 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,325 INFO L280 TraceCheckUtils]: 5: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6181#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-11 00:48:01,326 INFO L280 TraceCheckUtils]: 6: Hoare triple {6181#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,326 INFO L263 TraceCheckUtils]: 7: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-11 00:48:01,326 INFO L280 TraceCheckUtils]: 8: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:01,327 INFO L280 TraceCheckUtils]: 9: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:48:01,327 INFO L280 TraceCheckUtils]: 10: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-11 00:48:01,327 INFO L280 TraceCheckUtils]: 11: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-11 00:48:01,328 INFO L280 TraceCheckUtils]: 12: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:01,329 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #69#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,330 INFO L280 TraceCheckUtils]: 14: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,330 INFO L263 TraceCheckUtils]: 15: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-11 00:48:01,330 INFO L280 TraceCheckUtils]: 16: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:01,331 INFO L280 TraceCheckUtils]: 17: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-11 00:48:01,331 INFO L280 TraceCheckUtils]: 18: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-11 00:48:01,331 INFO L280 TraceCheckUtils]: 19: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:01,333 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #71#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,334 INFO L280 TraceCheckUtils]: 21: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,334 INFO L280 TraceCheckUtils]: 22: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,335 INFO L280 TraceCheckUtils]: 23: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,336 INFO L280 TraceCheckUtils]: 24: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,337 INFO L280 TraceCheckUtils]: 25: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume true; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,338 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {6182#(<= 2 |fibo1_#in~n|)} {6106#(= fibo2_~n |fibo2_#in~n|)} #65#return; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,339 INFO L280 TraceCheckUtils]: 27: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,340 INFO L263 TraceCheckUtils]: 28: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {5924#true} is VALID [2020-07-11 00:48:01,340 INFO L280 TraceCheckUtils]: 29: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:01,340 INFO L280 TraceCheckUtils]: 30: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:48:01,341 INFO L280 TraceCheckUtils]: 31: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-11 00:48:01,341 INFO L280 TraceCheckUtils]: 32: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-11 00:48:01,341 INFO L280 TraceCheckUtils]: 33: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:01,342 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {5924#true} {6174#(<= 3 |fibo2_#in~n|)} #67#return; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,343 INFO L280 TraceCheckUtils]: 35: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,343 INFO L280 TraceCheckUtils]: 36: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,344 INFO L280 TraceCheckUtils]: 37: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} havoc #t~ret3; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,345 INFO L280 TraceCheckUtils]: 38: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} havoc #t~ret2; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,346 INFO L280 TraceCheckUtils]: 39: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} assume true; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,347 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {6174#(<= 3 |fibo2_#in~n|)} {6064#(<= fibo1_~n 4)} #71#return; {5925#false} is VALID [2020-07-11 00:48:01,350 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:01,350 INFO L280 TraceCheckUtils]: 1: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:48:01,351 INFO L280 TraceCheckUtils]: 2: Hoare triple {5924#true} assume !(1 == ~n); {5924#true} is VALID [2020-07-11 00:48:01,351 INFO L263 TraceCheckUtils]: 3: Hoare triple {5924#true} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-11 00:48:01,353 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,353 INFO L280 TraceCheckUtils]: 5: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,354 INFO L280 TraceCheckUtils]: 6: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,354 INFO L263 TraceCheckUtils]: 7: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {5924#true} is VALID [2020-07-11 00:48:01,355 INFO L280 TraceCheckUtils]: 8: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,356 INFO L280 TraceCheckUtils]: 9: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,356 INFO L280 TraceCheckUtils]: 10: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,357 INFO L263 TraceCheckUtils]: 11: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-11 00:48:01,357 INFO L280 TraceCheckUtils]: 12: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,358 INFO L280 TraceCheckUtils]: 13: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,360 INFO L280 TraceCheckUtils]: 14: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:01,360 INFO L280 TraceCheckUtils]: 15: Hoare triple {6150#(<= |fibo2_#in~n| 1)} #res := 1; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:01,361 INFO L280 TraceCheckUtils]: 16: Hoare triple {6150#(<= |fibo2_#in~n| 1)} assume true; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:01,363 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {6150#(<= |fibo2_#in~n| 1)} {6137#(= fibo1_~n |fibo1_#in~n|)} #69#return; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:01,363 INFO L280 TraceCheckUtils]: 18: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:01,364 INFO L263 TraceCheckUtils]: 19: Hoare triple {6144#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-11 00:48:01,364 INFO L280 TraceCheckUtils]: 20: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:01,364 INFO L280 TraceCheckUtils]: 21: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-11 00:48:01,364 INFO L280 TraceCheckUtils]: 22: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-11 00:48:01,365 INFO L280 TraceCheckUtils]: 23: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:01,366 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {5924#true} {6144#(<= |fibo1_#in~n| 2)} #71#return; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:01,366 INFO L280 TraceCheckUtils]: 25: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:01,367 INFO L280 TraceCheckUtils]: 26: Hoare triple {6144#(<= |fibo1_#in~n| 2)} #res := #t~ret0 + #t~ret1; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:01,368 INFO L280 TraceCheckUtils]: 27: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret1; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:01,369 INFO L280 TraceCheckUtils]: 28: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret0; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:01,369 INFO L280 TraceCheckUtils]: 29: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume true; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:01,371 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {6144#(<= |fibo1_#in~n| 2)} {6106#(= fibo2_~n |fibo2_#in~n|)} #65#return; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:48:01,372 INFO L280 TraceCheckUtils]: 31: Hoare triple {6130#(<= |fibo2_#in~n| 3)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:48:01,372 INFO L263 TraceCheckUtils]: 32: Hoare triple {6130#(<= |fibo2_#in~n| 3)} call #t~ret3 := fibo1(~n - 2); {5924#true} is VALID [2020-07-11 00:48:01,372 INFO L280 TraceCheckUtils]: 33: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:01,372 INFO L280 TraceCheckUtils]: 34: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:48:01,373 INFO L280 TraceCheckUtils]: 35: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-11 00:48:01,373 INFO L280 TraceCheckUtils]: 36: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-11 00:48:01,373 INFO L280 TraceCheckUtils]: 37: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:01,374 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {5924#true} {6130#(<= |fibo2_#in~n| 3)} #67#return; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:48:01,374 INFO L280 TraceCheckUtils]: 39: Hoare triple {6130#(<= |fibo2_#in~n| 3)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:48:01,375 INFO L280 TraceCheckUtils]: 40: Hoare triple {6130#(<= |fibo2_#in~n| 3)} #res := #t~ret2 + #t~ret3; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:48:01,375 INFO L280 TraceCheckUtils]: 41: Hoare triple {6130#(<= |fibo2_#in~n| 3)} havoc #t~ret3; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:48:01,376 INFO L280 TraceCheckUtils]: 42: Hoare triple {6130#(<= |fibo2_#in~n| 3)} havoc #t~ret2; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:48:01,376 INFO L280 TraceCheckUtils]: 43: Hoare triple {6130#(<= |fibo2_#in~n| 3)} assume true; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:48:01,378 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {6130#(<= |fibo2_#in~n| 3)} {5924#true} #69#return; {6064#(<= fibo1_~n 4)} is VALID [2020-07-11 00:48:01,379 INFO L280 TraceCheckUtils]: 45: Hoare triple {6064#(<= fibo1_~n 4)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6064#(<= fibo1_~n 4)} is VALID [2020-07-11 00:48:01,379 INFO L263 TraceCheckUtils]: 46: Hoare triple {6064#(<= fibo1_~n 4)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-11 00:48:01,379 INFO L280 TraceCheckUtils]: 47: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,380 INFO L280 TraceCheckUtils]: 48: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,380 INFO L280 TraceCheckUtils]: 49: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,380 INFO L263 TraceCheckUtils]: 50: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {5924#true} is VALID [2020-07-11 00:48:01,381 INFO L280 TraceCheckUtils]: 51: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,382 INFO L280 TraceCheckUtils]: 52: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6181#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-11 00:48:01,382 INFO L280 TraceCheckUtils]: 53: Hoare triple {6181#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,383 INFO L263 TraceCheckUtils]: 54: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-11 00:48:01,383 INFO L280 TraceCheckUtils]: 55: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:01,383 INFO L280 TraceCheckUtils]: 56: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:48:01,383 INFO L280 TraceCheckUtils]: 57: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-11 00:48:01,383 INFO L280 TraceCheckUtils]: 58: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-11 00:48:01,384 INFO L280 TraceCheckUtils]: 59: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:01,384 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #69#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,385 INFO L280 TraceCheckUtils]: 61: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,385 INFO L263 TraceCheckUtils]: 62: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-11 00:48:01,385 INFO L280 TraceCheckUtils]: 63: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:01,386 INFO L280 TraceCheckUtils]: 64: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-11 00:48:01,386 INFO L280 TraceCheckUtils]: 65: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-11 00:48:01,386 INFO L280 TraceCheckUtils]: 66: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:01,387 INFO L275 TraceCheckUtils]: 67: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #71#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,387 INFO L280 TraceCheckUtils]: 68: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,388 INFO L280 TraceCheckUtils]: 69: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,388 INFO L280 TraceCheckUtils]: 70: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,389 INFO L280 TraceCheckUtils]: 71: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,390 INFO L280 TraceCheckUtils]: 72: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume true; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,392 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {6182#(<= 2 |fibo1_#in~n|)} {6106#(= fibo2_~n |fibo2_#in~n|)} #65#return; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,393 INFO L280 TraceCheckUtils]: 74: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,393 INFO L263 TraceCheckUtils]: 75: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {5924#true} is VALID [2020-07-11 00:48:01,394 INFO L280 TraceCheckUtils]: 76: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:01,394 INFO L280 TraceCheckUtils]: 77: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:48:01,394 INFO L280 TraceCheckUtils]: 78: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-11 00:48:01,395 INFO L280 TraceCheckUtils]: 79: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-11 00:48:01,395 INFO L280 TraceCheckUtils]: 80: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:01,396 INFO L275 TraceCheckUtils]: 81: Hoare quadruple {5924#true} {6174#(<= 3 |fibo2_#in~n|)} #67#return; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,397 INFO L280 TraceCheckUtils]: 82: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,398 INFO L280 TraceCheckUtils]: 83: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,399 INFO L280 TraceCheckUtils]: 84: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} havoc #t~ret3; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,399 INFO L280 TraceCheckUtils]: 85: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} havoc #t~ret2; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,402 INFO L280 TraceCheckUtils]: 86: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} assume true; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,404 INFO L275 TraceCheckUtils]: 87: Hoare quadruple {6174#(<= 3 |fibo2_#in~n|)} {6064#(<= fibo1_~n 4)} #71#return; {5925#false} is VALID [2020-07-11 00:48:01,404 INFO L280 TraceCheckUtils]: 88: Hoare triple {5925#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {5925#false} is VALID [2020-07-11 00:48:01,404 INFO L280 TraceCheckUtils]: 89: Hoare triple {5925#false} #res := #t~ret0 + #t~ret1; {5925#false} is VALID [2020-07-11 00:48:01,405 INFO L280 TraceCheckUtils]: 90: Hoare triple {5925#false} havoc #t~ret1; {5925#false} is VALID [2020-07-11 00:48:01,405 INFO L280 TraceCheckUtils]: 91: Hoare triple {5925#false} havoc #t~ret0; {5925#false} is VALID [2020-07-11 00:48:01,405 INFO L280 TraceCheckUtils]: 92: Hoare triple {5925#false} assume true; {5925#false} is VALID [2020-07-11 00:48:01,406 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {5925#false} {5928#(<= main_~x~0 4)} #63#return; {5925#false} is VALID [2020-07-11 00:48:01,419 INFO L263 TraceCheckUtils]: 0: Hoare triple {5924#true} call ULTIMATE.init(); {5924#true} is VALID [2020-07-11 00:48:01,420 INFO L280 TraceCheckUtils]: 1: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:01,420 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {5924#true} {5924#true} #59#return; {5924#true} is VALID [2020-07-11 00:48:01,420 INFO L263 TraceCheckUtils]: 3: Hoare triple {5924#true} call #t~ret5 := main(); {5924#true} is VALID [2020-07-11 00:48:01,423 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} ~x~0 := 4; {5928#(<= main_~x~0 4)} is VALID [2020-07-11 00:48:01,424 INFO L263 TraceCheckUtils]: 5: Hoare triple {5928#(<= main_~x~0 4)} call #t~ret4 := fibo1(~x~0); {5924#true} is VALID [2020-07-11 00:48:01,424 INFO L280 TraceCheckUtils]: 6: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:01,424 INFO L280 TraceCheckUtils]: 7: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:48:01,425 INFO L280 TraceCheckUtils]: 8: Hoare triple {5924#true} assume !(1 == ~n); {5924#true} is VALID [2020-07-11 00:48:01,425 INFO L263 TraceCheckUtils]: 9: Hoare triple {5924#true} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-11 00:48:01,426 INFO L280 TraceCheckUtils]: 10: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,426 INFO L280 TraceCheckUtils]: 11: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,427 INFO L280 TraceCheckUtils]: 12: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,427 INFO L263 TraceCheckUtils]: 13: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {5924#true} is VALID [2020-07-11 00:48:01,428 INFO L280 TraceCheckUtils]: 14: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,429 INFO L280 TraceCheckUtils]: 15: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,430 INFO L280 TraceCheckUtils]: 16: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,430 INFO L263 TraceCheckUtils]: 17: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-11 00:48:01,431 INFO L280 TraceCheckUtils]: 18: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,431 INFO L280 TraceCheckUtils]: 19: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,432 INFO L280 TraceCheckUtils]: 20: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:01,433 INFO L280 TraceCheckUtils]: 21: Hoare triple {6150#(<= |fibo2_#in~n| 1)} #res := 1; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:01,433 INFO L280 TraceCheckUtils]: 22: Hoare triple {6150#(<= |fibo2_#in~n| 1)} assume true; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:01,435 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {6150#(<= |fibo2_#in~n| 1)} {6137#(= fibo1_~n |fibo1_#in~n|)} #69#return; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:01,436 INFO L280 TraceCheckUtils]: 24: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:01,436 INFO L263 TraceCheckUtils]: 25: Hoare triple {6144#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-11 00:48:01,436 INFO L280 TraceCheckUtils]: 26: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:01,437 INFO L280 TraceCheckUtils]: 27: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-11 00:48:01,437 INFO L280 TraceCheckUtils]: 28: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-11 00:48:01,437 INFO L280 TraceCheckUtils]: 29: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:01,439 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {5924#true} {6144#(<= |fibo1_#in~n| 2)} #71#return; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:01,439 INFO L280 TraceCheckUtils]: 31: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:01,440 INFO L280 TraceCheckUtils]: 32: Hoare triple {6144#(<= |fibo1_#in~n| 2)} #res := #t~ret0 + #t~ret1; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:01,441 INFO L280 TraceCheckUtils]: 33: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret1; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:01,441 INFO L280 TraceCheckUtils]: 34: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret0; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:01,442 INFO L280 TraceCheckUtils]: 35: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume true; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:01,443 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {6144#(<= |fibo1_#in~n| 2)} {6106#(= fibo2_~n |fibo2_#in~n|)} #65#return; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:48:01,444 INFO L280 TraceCheckUtils]: 37: Hoare triple {6130#(<= |fibo2_#in~n| 3)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:48:01,445 INFO L263 TraceCheckUtils]: 38: Hoare triple {6130#(<= |fibo2_#in~n| 3)} call #t~ret3 := fibo1(~n - 2); {5924#true} is VALID [2020-07-11 00:48:01,445 INFO L280 TraceCheckUtils]: 39: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:01,445 INFO L280 TraceCheckUtils]: 40: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:48:01,445 INFO L280 TraceCheckUtils]: 41: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-11 00:48:01,446 INFO L280 TraceCheckUtils]: 42: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-11 00:48:01,446 INFO L280 TraceCheckUtils]: 43: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:01,447 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {5924#true} {6130#(<= |fibo2_#in~n| 3)} #67#return; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:48:01,448 INFO L280 TraceCheckUtils]: 45: Hoare triple {6130#(<= |fibo2_#in~n| 3)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:48:01,449 INFO L280 TraceCheckUtils]: 46: Hoare triple {6130#(<= |fibo2_#in~n| 3)} #res := #t~ret2 + #t~ret3; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:48:01,450 INFO L280 TraceCheckUtils]: 47: Hoare triple {6130#(<= |fibo2_#in~n| 3)} havoc #t~ret3; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:48:01,450 INFO L280 TraceCheckUtils]: 48: Hoare triple {6130#(<= |fibo2_#in~n| 3)} havoc #t~ret2; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:48:01,451 INFO L280 TraceCheckUtils]: 49: Hoare triple {6130#(<= |fibo2_#in~n| 3)} assume true; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:48:01,453 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {6130#(<= |fibo2_#in~n| 3)} {5924#true} #69#return; {6064#(<= fibo1_~n 4)} is VALID [2020-07-11 00:48:01,454 INFO L280 TraceCheckUtils]: 51: Hoare triple {6064#(<= fibo1_~n 4)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6064#(<= fibo1_~n 4)} is VALID [2020-07-11 00:48:01,454 INFO L263 TraceCheckUtils]: 52: Hoare triple {6064#(<= fibo1_~n 4)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-11 00:48:01,455 INFO L280 TraceCheckUtils]: 53: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,455 INFO L280 TraceCheckUtils]: 54: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,456 INFO L280 TraceCheckUtils]: 55: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,456 INFO L263 TraceCheckUtils]: 56: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {5924#true} is VALID [2020-07-11 00:48:01,457 INFO L280 TraceCheckUtils]: 57: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,458 INFO L280 TraceCheckUtils]: 58: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6181#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-11 00:48:01,459 INFO L280 TraceCheckUtils]: 59: Hoare triple {6181#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,460 INFO L263 TraceCheckUtils]: 60: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-11 00:48:01,460 INFO L280 TraceCheckUtils]: 61: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:01,460 INFO L280 TraceCheckUtils]: 62: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:48:01,461 INFO L280 TraceCheckUtils]: 63: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-11 00:48:01,461 INFO L280 TraceCheckUtils]: 64: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-11 00:48:01,461 INFO L280 TraceCheckUtils]: 65: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:01,463 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #69#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,464 INFO L280 TraceCheckUtils]: 67: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,464 INFO L263 TraceCheckUtils]: 68: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-11 00:48:01,465 INFO L280 TraceCheckUtils]: 69: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:01,465 INFO L280 TraceCheckUtils]: 70: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-11 00:48:01,465 INFO L280 TraceCheckUtils]: 71: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-11 00:48:01,466 INFO L280 TraceCheckUtils]: 72: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:01,467 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #71#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,468 INFO L280 TraceCheckUtils]: 74: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,468 INFO L280 TraceCheckUtils]: 75: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,469 INFO L280 TraceCheckUtils]: 76: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,470 INFO L280 TraceCheckUtils]: 77: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,471 INFO L280 TraceCheckUtils]: 78: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume true; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:01,472 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {6182#(<= 2 |fibo1_#in~n|)} {6106#(= fibo2_~n |fibo2_#in~n|)} #65#return; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,473 INFO L280 TraceCheckUtils]: 80: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,473 INFO L263 TraceCheckUtils]: 81: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {5924#true} is VALID [2020-07-11 00:48:01,474 INFO L280 TraceCheckUtils]: 82: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:01,474 INFO L280 TraceCheckUtils]: 83: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:48:01,474 INFO L280 TraceCheckUtils]: 84: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-11 00:48:01,475 INFO L280 TraceCheckUtils]: 85: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-11 00:48:01,475 INFO L280 TraceCheckUtils]: 86: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:01,477 INFO L275 TraceCheckUtils]: 87: Hoare quadruple {5924#true} {6174#(<= 3 |fibo2_#in~n|)} #67#return; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,478 INFO L280 TraceCheckUtils]: 88: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,479 INFO L280 TraceCheckUtils]: 89: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,479 INFO L280 TraceCheckUtils]: 90: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} havoc #t~ret3; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,480 INFO L280 TraceCheckUtils]: 91: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} havoc #t~ret2; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,481 INFO L280 TraceCheckUtils]: 92: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} assume true; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:01,482 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {6174#(<= 3 |fibo2_#in~n|)} {6064#(<= fibo1_~n 4)} #71#return; {5925#false} is VALID [2020-07-11 00:48:01,483 INFO L280 TraceCheckUtils]: 94: Hoare triple {5925#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {5925#false} is VALID [2020-07-11 00:48:01,483 INFO L280 TraceCheckUtils]: 95: Hoare triple {5925#false} #res := #t~ret0 + #t~ret1; {5925#false} is VALID [2020-07-11 00:48:01,483 INFO L280 TraceCheckUtils]: 96: Hoare triple {5925#false} havoc #t~ret1; {5925#false} is VALID [2020-07-11 00:48:01,484 INFO L280 TraceCheckUtils]: 97: Hoare triple {5925#false} havoc #t~ret0; {5925#false} is VALID [2020-07-11 00:48:01,484 INFO L280 TraceCheckUtils]: 98: Hoare triple {5925#false} assume true; {5925#false} is VALID [2020-07-11 00:48:01,484 INFO L275 TraceCheckUtils]: 99: Hoare quadruple {5925#false} {5928#(<= main_~x~0 4)} #63#return; {5925#false} is VALID [2020-07-11 00:48:01,485 INFO L280 TraceCheckUtils]: 100: Hoare triple {5925#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {5925#false} is VALID [2020-07-11 00:48:01,485 INFO L280 TraceCheckUtils]: 101: Hoare triple {5925#false} ~result~0 := #t~ret4; {5925#false} is VALID [2020-07-11 00:48:01,485 INFO L280 TraceCheckUtils]: 102: Hoare triple {5925#false} havoc #t~ret4; {5925#false} is VALID [2020-07-11 00:48:01,485 INFO L280 TraceCheckUtils]: 103: Hoare triple {5925#false} assume 3 != ~result~0; {5925#false} is VALID [2020-07-11 00:48:01,486 INFO L280 TraceCheckUtils]: 104: Hoare triple {5925#false} assume !false; {5925#false} is VALID [2020-07-11 00:48:01,501 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 36 proven. 59 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-07-11 00:48:01,502 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [588654541] [2020-07-11 00:48:01,502 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 00:48:01,502 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-07-11 00:48:01,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143955917] [2020-07-11 00:48:01,504 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 105 [2020-07-11 00:48:01,505 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:48:01,505 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states. [2020-07-11 00:48:01,608 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 85 edges. 85 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:48:01,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-11 00:48:01,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:48:01,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-11 00:48:01,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-11 00:48:01,610 INFO L87 Difference]: Start difference. First operand 133 states and 191 transitions. Second operand 12 states. [2020-07-11 00:48:03,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:03,311 INFO L93 Difference]: Finished difference Result 265 states and 420 transitions. [2020-07-11 00:48:03,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-11 00:48:03,311 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 105 [2020-07-11 00:48:03,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:48:03,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-07-11 00:48:03,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 172 transitions. [2020-07-11 00:48:03,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-07-11 00:48:03,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 172 transitions. [2020-07-11 00:48:03,323 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 18 states and 172 transitions. [2020-07-11 00:48:03,531 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 172 edges. 172 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:48:03,540 INFO L225 Difference]: With dead ends: 265 [2020-07-11 00:48:03,540 INFO L226 Difference]: Without dead ends: 116 [2020-07-11 00:48:03,543 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2020-07-11 00:48:03,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-07-11 00:48:03,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 103. [2020-07-11 00:48:03,774 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:48:03,774 INFO L82 GeneralOperation]: Start isEquivalent. First operand 116 states. Second operand 103 states. [2020-07-11 00:48:03,774 INFO L74 IsIncluded]: Start isIncluded. First operand 116 states. Second operand 103 states. [2020-07-11 00:48:03,775 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 103 states. [2020-07-11 00:48:03,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:03,780 INFO L93 Difference]: Finished difference Result 116 states and 146 transitions. [2020-07-11 00:48:03,780 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 146 transitions. [2020-07-11 00:48:03,781 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:48:03,781 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:48:03,781 INFO L74 IsIncluded]: Start isIncluded. First operand 103 states. Second operand 116 states. [2020-07-11 00:48:03,782 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 116 states. [2020-07-11 00:48:03,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:03,786 INFO L93 Difference]: Finished difference Result 116 states and 146 transitions. [2020-07-11 00:48:03,786 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 146 transitions. [2020-07-11 00:48:03,787 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:48:03,787 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:48:03,787 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:48:03,788 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:48:03,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-07-11 00:48:03,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 127 transitions. [2020-07-11 00:48:03,791 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 127 transitions. Word has length 105 [2020-07-11 00:48:03,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:48:03,792 INFO L479 AbstractCegarLoop]: Abstraction has 103 states and 127 transitions. [2020-07-11 00:48:03,792 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-11 00:48:03,792 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 103 states and 127 transitions. [2020-07-11 00:48:04,021 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 127 edges. 127 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:48:04,022 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 127 transitions. [2020-07-11 00:48:04,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-07-11 00:48:04,026 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:48:04,026 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2020-07-11 00:48:04,026 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-11 00:48:04,026 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:48:04,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:48:04,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1951493560, now seen corresponding path program 1 times [2020-07-11 00:48:04,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:48:04,027 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1876407053] [2020-07-11 00:48:04,027 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:48:04,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:04,122 INFO L280 TraceCheckUtils]: 0: Hoare triple {7190#true} assume true; {7190#true} is VALID [2020-07-11 00:48:04,123 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {7190#true} {7190#true} #59#return; {7190#true} is VALID [2020-07-11 00:48:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:04,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:04,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:04,432 INFO L280 TraceCheckUtils]: 0: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-11 00:48:04,432 INFO L280 TraceCheckUtils]: 1: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-11 00:48:04,433 INFO L280 TraceCheckUtils]: 2: Hoare triple {7190#true} assume 1 == ~n; {7190#true} is VALID [2020-07-11 00:48:04,433 INFO L280 TraceCheckUtils]: 3: Hoare triple {7190#true} #res := 1; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-11 00:48:04,434 INFO L280 TraceCheckUtils]: 4: Hoare triple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-11 00:48:04,435 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {7190#true} #69#return; {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-11 00:48:04,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:04,466 INFO L280 TraceCheckUtils]: 0: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-11 00:48:04,467 INFO L280 TraceCheckUtils]: 1: Hoare triple {7190#true} assume ~n < 1; {7190#true} is VALID [2020-07-11 00:48:04,467 INFO L280 TraceCheckUtils]: 2: Hoare triple {7190#true} #res := 0; {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-11 00:48:04,468 INFO L280 TraceCheckUtils]: 3: Hoare triple {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} assume true; {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-11 00:48:04,469 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} #71#return; {7383#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} is VALID [2020-07-11 00:48:04,469 INFO L280 TraceCheckUtils]: 0: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-11 00:48:04,470 INFO L280 TraceCheckUtils]: 1: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-11 00:48:04,470 INFO L280 TraceCheckUtils]: 2: Hoare triple {7190#true} assume !(1 == ~n); {7190#true} is VALID [2020-07-11 00:48:04,470 INFO L263 TraceCheckUtils]: 3: Hoare triple {7190#true} call #t~ret0 := fibo2(~n - 1); {7190#true} is VALID [2020-07-11 00:48:04,470 INFO L280 TraceCheckUtils]: 4: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-11 00:48:04,470 INFO L280 TraceCheckUtils]: 5: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-11 00:48:04,470 INFO L280 TraceCheckUtils]: 6: Hoare triple {7190#true} assume 1 == ~n; {7190#true} is VALID [2020-07-11 00:48:04,471 INFO L280 TraceCheckUtils]: 7: Hoare triple {7190#true} #res := 1; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-11 00:48:04,472 INFO L280 TraceCheckUtils]: 8: Hoare triple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-11 00:48:04,473 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {7190#true} #69#return; {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-11 00:48:04,473 INFO L280 TraceCheckUtils]: 10: Hoare triple {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-11 00:48:04,474 INFO L263 TraceCheckUtils]: 11: Hoare triple {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} call #t~ret1 := fibo2(~n - 2); {7190#true} is VALID [2020-07-11 00:48:04,474 INFO L280 TraceCheckUtils]: 12: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-11 00:48:04,474 INFO L280 TraceCheckUtils]: 13: Hoare triple {7190#true} assume ~n < 1; {7190#true} is VALID [2020-07-11 00:48:04,474 INFO L280 TraceCheckUtils]: 14: Hoare triple {7190#true} #res := 0; {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-11 00:48:04,475 INFO L280 TraceCheckUtils]: 15: Hoare triple {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} assume true; {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-11 00:48:04,476 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} #71#return; {7383#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} is VALID [2020-07-11 00:48:04,477 INFO L280 TraceCheckUtils]: 17: Hoare triple {7383#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {7383#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} is VALID [2020-07-11 00:48:04,482 INFO L280 TraceCheckUtils]: 18: Hoare triple {7383#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} #res := #t~ret0 + #t~ret1; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-11 00:48:04,483 INFO L280 TraceCheckUtils]: 19: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} havoc #t~ret1; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-11 00:48:04,484 INFO L280 TraceCheckUtils]: 20: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} havoc #t~ret0; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-11 00:48:04,484 INFO L280 TraceCheckUtils]: 21: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-11 00:48:04,485 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {7190#true} #65#return; {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-11 00:48:04,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:04,501 INFO L280 TraceCheckUtils]: 0: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-11 00:48:04,501 INFO L280 TraceCheckUtils]: 1: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-11 00:48:04,502 INFO L280 TraceCheckUtils]: 2: Hoare triple {7190#true} assume 1 == ~n; {7190#true} is VALID [2020-07-11 00:48:04,503 INFO L280 TraceCheckUtils]: 3: Hoare triple {7190#true} #res := 1; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-11 00:48:04,504 INFO L280 TraceCheckUtils]: 4: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-11 00:48:04,505 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} #67#return; {7369#(and (<= 2 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 2))} is VALID [2020-07-11 00:48:04,505 INFO L280 TraceCheckUtils]: 0: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-11 00:48:04,505 INFO L280 TraceCheckUtils]: 1: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-11 00:48:04,506 INFO L280 TraceCheckUtils]: 2: Hoare triple {7190#true} assume !(1 == ~n); {7190#true} is VALID [2020-07-11 00:48:04,506 INFO L263 TraceCheckUtils]: 3: Hoare triple {7190#true} call #t~ret2 := fibo1(~n - 1); {7190#true} is VALID [2020-07-11 00:48:04,506 INFO L280 TraceCheckUtils]: 4: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-11 00:48:04,506 INFO L280 TraceCheckUtils]: 5: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-11 00:48:04,506 INFO L280 TraceCheckUtils]: 6: Hoare triple {7190#true} assume !(1 == ~n); {7190#true} is VALID [2020-07-11 00:48:04,506 INFO L263 TraceCheckUtils]: 7: Hoare triple {7190#true} call #t~ret0 := fibo2(~n - 1); {7190#true} is VALID [2020-07-11 00:48:04,507 INFO L280 TraceCheckUtils]: 8: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-11 00:48:04,507 INFO L280 TraceCheckUtils]: 9: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-11 00:48:04,507 INFO L280 TraceCheckUtils]: 10: Hoare triple {7190#true} assume 1 == ~n; {7190#true} is VALID [2020-07-11 00:48:04,508 INFO L280 TraceCheckUtils]: 11: Hoare triple {7190#true} #res := 1; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-11 00:48:04,508 INFO L280 TraceCheckUtils]: 12: Hoare triple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-11 00:48:04,509 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {7190#true} #69#return; {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-11 00:48:04,510 INFO L280 TraceCheckUtils]: 14: Hoare triple {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-11 00:48:04,510 INFO L263 TraceCheckUtils]: 15: Hoare triple {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} call #t~ret1 := fibo2(~n - 2); {7190#true} is VALID [2020-07-11 00:48:04,510 INFO L280 TraceCheckUtils]: 16: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-11 00:48:04,511 INFO L280 TraceCheckUtils]: 17: Hoare triple {7190#true} assume ~n < 1; {7190#true} is VALID [2020-07-11 00:48:04,511 INFO L280 TraceCheckUtils]: 18: Hoare triple {7190#true} #res := 0; {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-11 00:48:04,512 INFO L280 TraceCheckUtils]: 19: Hoare triple {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} assume true; {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-11 00:48:04,513 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} #71#return; {7383#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} is VALID [2020-07-11 00:48:04,514 INFO L280 TraceCheckUtils]: 21: Hoare triple {7383#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {7383#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} is VALID [2020-07-11 00:48:04,515 INFO L280 TraceCheckUtils]: 22: Hoare triple {7383#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} #res := #t~ret0 + #t~ret1; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-11 00:48:04,515 INFO L280 TraceCheckUtils]: 23: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} havoc #t~ret1; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-11 00:48:04,516 INFO L280 TraceCheckUtils]: 24: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} havoc #t~ret0; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-11 00:48:04,517 INFO L280 TraceCheckUtils]: 25: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-11 00:48:04,518 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {7190#true} #65#return; {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-11 00:48:04,518 INFO L280 TraceCheckUtils]: 27: Hoare triple {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-11 00:48:04,519 INFO L263 TraceCheckUtils]: 28: Hoare triple {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} call #t~ret3 := fibo1(~n - 2); {7190#true} is VALID [2020-07-11 00:48:04,519 INFO L280 TraceCheckUtils]: 29: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-11 00:48:04,519 INFO L280 TraceCheckUtils]: 30: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-11 00:48:04,519 INFO L280 TraceCheckUtils]: 31: Hoare triple {7190#true} assume 1 == ~n; {7190#true} is VALID [2020-07-11 00:48:04,520 INFO L280 TraceCheckUtils]: 32: Hoare triple {7190#true} #res := 1; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-11 00:48:04,521 INFO L280 TraceCheckUtils]: 33: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-11 00:48:04,522 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} #67#return; {7369#(and (<= 2 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 2))} is VALID [2020-07-11 00:48:04,523 INFO L280 TraceCheckUtils]: 35: Hoare triple {7369#(and (<= 2 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 2))} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7369#(and (<= 2 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 2))} is VALID [2020-07-11 00:48:04,524 INFO L280 TraceCheckUtils]: 36: Hoare triple {7369#(and (<= 2 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 2))} #res := #t~ret2 + #t~ret3; {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2020-07-11 00:48:04,524 INFO L280 TraceCheckUtils]: 37: Hoare triple {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} havoc #t~ret3; {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2020-07-11 00:48:04,525 INFO L280 TraceCheckUtils]: 38: Hoare triple {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} havoc #t~ret2; {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2020-07-11 00:48:04,526 INFO L280 TraceCheckUtils]: 39: Hoare triple {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} assume true; {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2020-07-11 00:48:04,527 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} {7190#true} #69#return; {7313#(and (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|))} is VALID [2020-07-11 00:48:04,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:04,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:04,582 INFO L280 TraceCheckUtils]: 0: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-11 00:48:04,582 INFO L280 TraceCheckUtils]: 1: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-11 00:48:04,582 INFO L280 TraceCheckUtils]: 2: Hoare triple {7190#true} assume 1 == ~n; {7190#true} is VALID [2020-07-11 00:48:04,583 INFO L280 TraceCheckUtils]: 3: Hoare triple {7190#true} #res := 1; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-11 00:48:04,584 INFO L280 TraceCheckUtils]: 4: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-11 00:48:04,584 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {7190#true} #65#return; {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-11 00:48:04,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:04,616 INFO L280 TraceCheckUtils]: 0: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-11 00:48:04,616 INFO L280 TraceCheckUtils]: 1: Hoare triple {7190#true} assume ~n < 1; {7190#true} is VALID [2020-07-11 00:48:04,617 INFO L280 TraceCheckUtils]: 2: Hoare triple {7190#true} #res := 0; {7399#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} is VALID [2020-07-11 00:48:04,618 INFO L280 TraceCheckUtils]: 3: Hoare triple {7399#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} assume true; {7399#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} is VALID [2020-07-11 00:48:04,619 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {7399#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} #67#return; {7398#(and (<= 1 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 1))} is VALID [2020-07-11 00:48:04,619 INFO L280 TraceCheckUtils]: 0: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-11 00:48:04,620 INFO L280 TraceCheckUtils]: 1: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-11 00:48:04,620 INFO L280 TraceCheckUtils]: 2: Hoare triple {7190#true} assume !(1 == ~n); {7190#true} is VALID [2020-07-11 00:48:04,620 INFO L263 TraceCheckUtils]: 3: Hoare triple {7190#true} call #t~ret2 := fibo1(~n - 1); {7190#true} is VALID [2020-07-11 00:48:04,620 INFO L280 TraceCheckUtils]: 4: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-11 00:48:04,620 INFO L280 TraceCheckUtils]: 5: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-11 00:48:04,621 INFO L280 TraceCheckUtils]: 6: Hoare triple {7190#true} assume 1 == ~n; {7190#true} is VALID [2020-07-11 00:48:04,621 INFO L280 TraceCheckUtils]: 7: Hoare triple {7190#true} #res := 1; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-11 00:48:04,622 INFO L280 TraceCheckUtils]: 8: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-11 00:48:04,623 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {7190#true} #65#return; {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-11 00:48:04,624 INFO L280 TraceCheckUtils]: 10: Hoare triple {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-11 00:48:04,624 INFO L263 TraceCheckUtils]: 11: Hoare triple {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} call #t~ret3 := fibo1(~n - 2); {7190#true} is VALID [2020-07-11 00:48:04,624 INFO L280 TraceCheckUtils]: 12: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-11 00:48:04,624 INFO L280 TraceCheckUtils]: 13: Hoare triple {7190#true} assume ~n < 1; {7190#true} is VALID [2020-07-11 00:48:04,625 INFO L280 TraceCheckUtils]: 14: Hoare triple {7190#true} #res := 0; {7399#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} is VALID [2020-07-11 00:48:04,625 INFO L280 TraceCheckUtils]: 15: Hoare triple {7399#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} assume true; {7399#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} is VALID [2020-07-11 00:48:04,627 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {7399#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} #67#return; {7398#(and (<= 1 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 1))} is VALID [2020-07-11 00:48:04,627 INFO L280 TraceCheckUtils]: 17: Hoare triple {7398#(and (<= 1 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 1))} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7398#(and (<= 1 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 1))} is VALID [2020-07-11 00:48:04,628 INFO L280 TraceCheckUtils]: 18: Hoare triple {7398#(and (<= 1 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 1))} #res := #t~ret2 + #t~ret3; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-11 00:48:04,629 INFO L280 TraceCheckUtils]: 19: Hoare triple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} havoc #t~ret3; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-11 00:48:04,629 INFO L280 TraceCheckUtils]: 20: Hoare triple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} havoc #t~ret2; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-11 00:48:04,630 INFO L280 TraceCheckUtils]: 21: Hoare triple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-11 00:48:04,631 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {7313#(and (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|))} #71#return; {7337#(and (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 3) (<= 3 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)))} is VALID [2020-07-11 00:48:04,632 INFO L280 TraceCheckUtils]: 0: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-11 00:48:04,632 INFO L280 TraceCheckUtils]: 1: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-11 00:48:04,633 INFO L280 TraceCheckUtils]: 2: Hoare triple {7190#true} assume !(1 == ~n); {7190#true} is VALID [2020-07-11 00:48:04,633 INFO L263 TraceCheckUtils]: 3: Hoare triple {7190#true} call #t~ret0 := fibo2(~n - 1); {7190#true} is VALID [2020-07-11 00:48:04,633 INFO L280 TraceCheckUtils]: 4: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-11 00:48:04,633 INFO L280 TraceCheckUtils]: 5: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-11 00:48:04,633 INFO L280 TraceCheckUtils]: 6: Hoare triple {7190#true} assume !(1 == ~n); {7190#true} is VALID [2020-07-11 00:48:04,634 INFO L263 TraceCheckUtils]: 7: Hoare triple {7190#true} call #t~ret2 := fibo1(~n - 1); {7190#true} is VALID [2020-07-11 00:48:04,634 INFO L280 TraceCheckUtils]: 8: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-11 00:48:04,634 INFO L280 TraceCheckUtils]: 9: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-11 00:48:04,634 INFO L280 TraceCheckUtils]: 10: Hoare triple {7190#true} assume !(1 == ~n); {7190#true} is VALID [2020-07-11 00:48:04,634 INFO L263 TraceCheckUtils]: 11: Hoare triple {7190#true} call #t~ret0 := fibo2(~n - 1); {7190#true} is VALID [2020-07-11 00:48:04,634 INFO L280 TraceCheckUtils]: 12: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-11 00:48:04,635 INFO L280 TraceCheckUtils]: 13: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-11 00:48:04,635 INFO L280 TraceCheckUtils]: 14: Hoare triple {7190#true} assume 1 == ~n; {7190#true} is VALID [2020-07-11 00:48:04,635 INFO L280 TraceCheckUtils]: 15: Hoare triple {7190#true} #res := 1; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-11 00:48:04,637 INFO L280 TraceCheckUtils]: 16: Hoare triple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-11 00:48:04,638 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {7190#true} #69#return; {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-11 00:48:04,638 INFO L280 TraceCheckUtils]: 18: Hoare triple {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-11 00:48:04,639 INFO L263 TraceCheckUtils]: 19: Hoare triple {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} call #t~ret1 := fibo2(~n - 2); {7190#true} is VALID [2020-07-11 00:48:04,639 INFO L280 TraceCheckUtils]: 20: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-11 00:48:04,639 INFO L280 TraceCheckUtils]: 21: Hoare triple {7190#true} assume ~n < 1; {7190#true} is VALID [2020-07-11 00:48:04,640 INFO L280 TraceCheckUtils]: 22: Hoare triple {7190#true} #res := 0; {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-11 00:48:04,640 INFO L280 TraceCheckUtils]: 23: Hoare triple {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} assume true; {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-11 00:48:04,641 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} #71#return; {7383#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} is VALID [2020-07-11 00:48:04,642 INFO L280 TraceCheckUtils]: 25: Hoare triple {7383#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {7383#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} is VALID [2020-07-11 00:48:04,643 INFO L280 TraceCheckUtils]: 26: Hoare triple {7383#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} #res := #t~ret0 + #t~ret1; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-11 00:48:04,644 INFO L280 TraceCheckUtils]: 27: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} havoc #t~ret1; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-11 00:48:04,645 INFO L280 TraceCheckUtils]: 28: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} havoc #t~ret0; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-11 00:48:04,646 INFO L280 TraceCheckUtils]: 29: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-11 00:48:04,649 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {7190#true} #65#return; {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-11 00:48:04,650 INFO L280 TraceCheckUtils]: 31: Hoare triple {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-11 00:48:04,650 INFO L263 TraceCheckUtils]: 32: Hoare triple {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} call #t~ret3 := fibo1(~n - 2); {7190#true} is VALID [2020-07-11 00:48:04,650 INFO L280 TraceCheckUtils]: 33: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-11 00:48:04,650 INFO L280 TraceCheckUtils]: 34: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-11 00:48:04,650 INFO L280 TraceCheckUtils]: 35: Hoare triple {7190#true} assume 1 == ~n; {7190#true} is VALID [2020-07-11 00:48:04,651 INFO L280 TraceCheckUtils]: 36: Hoare triple {7190#true} #res := 1; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-11 00:48:04,652 INFO L280 TraceCheckUtils]: 37: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-11 00:48:04,653 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} #67#return; {7369#(and (<= 2 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 2))} is VALID [2020-07-11 00:48:04,654 INFO L280 TraceCheckUtils]: 39: Hoare triple {7369#(and (<= 2 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 2))} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7369#(and (<= 2 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 2))} is VALID [2020-07-11 00:48:04,655 INFO L280 TraceCheckUtils]: 40: Hoare triple {7369#(and (<= 2 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 2))} #res := #t~ret2 + #t~ret3; {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2020-07-11 00:48:04,655 INFO L280 TraceCheckUtils]: 41: Hoare triple {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} havoc #t~ret3; {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2020-07-11 00:48:04,656 INFO L280 TraceCheckUtils]: 42: Hoare triple {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} havoc #t~ret2; {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2020-07-11 00:48:04,657 INFO L280 TraceCheckUtils]: 43: Hoare triple {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} assume true; {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2020-07-11 00:48:04,658 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} {7190#true} #69#return; {7313#(and (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|))} is VALID [2020-07-11 00:48:04,658 INFO L280 TraceCheckUtils]: 45: Hoare triple {7313#(and (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7313#(and (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|))} is VALID [2020-07-11 00:48:04,658 INFO L263 TraceCheckUtils]: 46: Hoare triple {7313#(and (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|))} call #t~ret1 := fibo2(~n - 2); {7190#true} is VALID [2020-07-11 00:48:04,659 INFO L280 TraceCheckUtils]: 47: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-11 00:48:04,659 INFO L280 TraceCheckUtils]: 48: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-11 00:48:04,659 INFO L280 TraceCheckUtils]: 49: Hoare triple {7190#true} assume !(1 == ~n); {7190#true} is VALID [2020-07-11 00:48:04,659 INFO L263 TraceCheckUtils]: 50: Hoare triple {7190#true} call #t~ret2 := fibo1(~n - 1); {7190#true} is VALID [2020-07-11 00:48:04,659 INFO L280 TraceCheckUtils]: 51: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-11 00:48:04,660 INFO L280 TraceCheckUtils]: 52: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-11 00:48:04,660 INFO L280 TraceCheckUtils]: 53: Hoare triple {7190#true} assume 1 == ~n; {7190#true} is VALID [2020-07-11 00:48:04,660 INFO L280 TraceCheckUtils]: 54: Hoare triple {7190#true} #res := 1; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-11 00:48:04,661 INFO L280 TraceCheckUtils]: 55: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-11 00:48:04,662 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {7190#true} #65#return; {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-11 00:48:04,663 INFO L280 TraceCheckUtils]: 57: Hoare triple {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-11 00:48:04,663 INFO L263 TraceCheckUtils]: 58: Hoare triple {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} call #t~ret3 := fibo1(~n - 2); {7190#true} is VALID [2020-07-11 00:48:04,663 INFO L280 TraceCheckUtils]: 59: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-11 00:48:04,663 INFO L280 TraceCheckUtils]: 60: Hoare triple {7190#true} assume ~n < 1; {7190#true} is VALID [2020-07-11 00:48:04,664 INFO L280 TraceCheckUtils]: 61: Hoare triple {7190#true} #res := 0; {7399#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} is VALID [2020-07-11 00:48:04,664 INFO L280 TraceCheckUtils]: 62: Hoare triple {7399#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} assume true; {7399#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} is VALID [2020-07-11 00:48:04,666 INFO L275 TraceCheckUtils]: 63: Hoare quadruple {7399#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} #67#return; {7398#(and (<= 1 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 1))} is VALID [2020-07-11 00:48:04,666 INFO L280 TraceCheckUtils]: 64: Hoare triple {7398#(and (<= 1 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 1))} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7398#(and (<= 1 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 1))} is VALID [2020-07-11 00:48:04,667 INFO L280 TraceCheckUtils]: 65: Hoare triple {7398#(and (<= 1 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 1))} #res := #t~ret2 + #t~ret3; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-11 00:48:04,668 INFO L280 TraceCheckUtils]: 66: Hoare triple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} havoc #t~ret3; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-11 00:48:04,668 INFO L280 TraceCheckUtils]: 67: Hoare triple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} havoc #t~ret2; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-11 00:48:04,669 INFO L280 TraceCheckUtils]: 68: Hoare triple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-11 00:48:04,671 INFO L275 TraceCheckUtils]: 69: Hoare quadruple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {7313#(and (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|))} #71#return; {7337#(and (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 3) (<= 3 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)))} is VALID [2020-07-11 00:48:04,672 INFO L280 TraceCheckUtils]: 70: Hoare triple {7337#(and (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 3) (<= 3 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {7337#(and (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 3) (<= 3 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)))} is VALID [2020-07-11 00:48:04,673 INFO L280 TraceCheckUtils]: 71: Hoare triple {7337#(and (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 3) (<= 3 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)))} #res := #t~ret0 + #t~ret1; {7338#(and (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3))} is VALID [2020-07-11 00:48:04,673 INFO L280 TraceCheckUtils]: 72: Hoare triple {7338#(and (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3))} havoc #t~ret1; {7338#(and (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3))} is VALID [2020-07-11 00:48:04,674 INFO L280 TraceCheckUtils]: 73: Hoare triple {7338#(and (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3))} havoc #t~ret0; {7338#(and (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3))} is VALID [2020-07-11 00:48:04,675 INFO L280 TraceCheckUtils]: 74: Hoare triple {7338#(and (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3))} assume true; {7338#(and (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3))} is VALID [2020-07-11 00:48:04,676 INFO L275 TraceCheckUtils]: 75: Hoare quadruple {7338#(and (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3))} {7190#true} #63#return; {7270#(and (<= 3 |main_#t~ret4|) (<= |main_#t~ret4| 3))} is VALID [2020-07-11 00:48:04,683 INFO L263 TraceCheckUtils]: 0: Hoare triple {7190#true} call ULTIMATE.init(); {7190#true} is VALID [2020-07-11 00:48:04,684 INFO L280 TraceCheckUtils]: 1: Hoare triple {7190#true} assume true; {7190#true} is VALID [2020-07-11 00:48:04,684 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {7190#true} {7190#true} #59#return; {7190#true} is VALID [2020-07-11 00:48:04,684 INFO L263 TraceCheckUtils]: 3: Hoare triple {7190#true} call #t~ret5 := main(); {7190#true} is VALID [2020-07-11 00:48:04,684 INFO L280 TraceCheckUtils]: 4: Hoare triple {7190#true} ~x~0 := 4; {7190#true} is VALID [2020-07-11 00:48:04,684 INFO L263 TraceCheckUtils]: 5: Hoare triple {7190#true} call #t~ret4 := fibo1(~x~0); {7190#true} is VALID [2020-07-11 00:48:04,685 INFO L280 TraceCheckUtils]: 6: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-11 00:48:04,685 INFO L280 TraceCheckUtils]: 7: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-11 00:48:04,685 INFO L280 TraceCheckUtils]: 8: Hoare triple {7190#true} assume !(1 == ~n); {7190#true} is VALID [2020-07-11 00:48:04,685 INFO L263 TraceCheckUtils]: 9: Hoare triple {7190#true} call #t~ret0 := fibo2(~n - 1); {7190#true} is VALID [2020-07-11 00:48:04,685 INFO L280 TraceCheckUtils]: 10: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-11 00:48:04,685 INFO L280 TraceCheckUtils]: 11: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-11 00:48:04,686 INFO L280 TraceCheckUtils]: 12: Hoare triple {7190#true} assume !(1 == ~n); {7190#true} is VALID [2020-07-11 00:48:04,686 INFO L263 TraceCheckUtils]: 13: Hoare triple {7190#true} call #t~ret2 := fibo1(~n - 1); {7190#true} is VALID [2020-07-11 00:48:04,686 INFO L280 TraceCheckUtils]: 14: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-11 00:48:04,686 INFO L280 TraceCheckUtils]: 15: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-11 00:48:04,686 INFO L280 TraceCheckUtils]: 16: Hoare triple {7190#true} assume !(1 == ~n); {7190#true} is VALID [2020-07-11 00:48:04,686 INFO L263 TraceCheckUtils]: 17: Hoare triple {7190#true} call #t~ret0 := fibo2(~n - 1); {7190#true} is VALID [2020-07-11 00:48:04,687 INFO L280 TraceCheckUtils]: 18: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-11 00:48:04,687 INFO L280 TraceCheckUtils]: 19: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-11 00:48:04,687 INFO L280 TraceCheckUtils]: 20: Hoare triple {7190#true} assume 1 == ~n; {7190#true} is VALID [2020-07-11 00:48:04,688 INFO L280 TraceCheckUtils]: 21: Hoare triple {7190#true} #res := 1; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-11 00:48:04,688 INFO L280 TraceCheckUtils]: 22: Hoare triple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-11 00:48:04,689 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {7190#true} #69#return; {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-11 00:48:04,690 INFO L280 TraceCheckUtils]: 24: Hoare triple {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-11 00:48:04,690 INFO L263 TraceCheckUtils]: 25: Hoare triple {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} call #t~ret1 := fibo2(~n - 2); {7190#true} is VALID [2020-07-11 00:48:04,690 INFO L280 TraceCheckUtils]: 26: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-11 00:48:04,690 INFO L280 TraceCheckUtils]: 27: Hoare triple {7190#true} assume ~n < 1; {7190#true} is VALID [2020-07-11 00:48:04,691 INFO L280 TraceCheckUtils]: 28: Hoare triple {7190#true} #res := 0; {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-11 00:48:04,692 INFO L280 TraceCheckUtils]: 29: Hoare triple {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} assume true; {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-11 00:48:04,693 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} #71#return; {7383#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} is VALID [2020-07-11 00:48:04,694 INFO L280 TraceCheckUtils]: 31: Hoare triple {7383#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {7383#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} is VALID [2020-07-11 00:48:04,694 INFO L280 TraceCheckUtils]: 32: Hoare triple {7383#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} #res := #t~ret0 + #t~ret1; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-11 00:48:04,695 INFO L280 TraceCheckUtils]: 33: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} havoc #t~ret1; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-11 00:48:04,696 INFO L280 TraceCheckUtils]: 34: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} havoc #t~ret0; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-11 00:48:04,696 INFO L280 TraceCheckUtils]: 35: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-11 00:48:04,697 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {7190#true} #65#return; {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-11 00:48:04,698 INFO L280 TraceCheckUtils]: 37: Hoare triple {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-11 00:48:04,698 INFO L263 TraceCheckUtils]: 38: Hoare triple {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} call #t~ret3 := fibo1(~n - 2); {7190#true} is VALID [2020-07-11 00:48:04,698 INFO L280 TraceCheckUtils]: 39: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-11 00:48:04,698 INFO L280 TraceCheckUtils]: 40: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-11 00:48:04,698 INFO L280 TraceCheckUtils]: 41: Hoare triple {7190#true} assume 1 == ~n; {7190#true} is VALID [2020-07-11 00:48:04,699 INFO L280 TraceCheckUtils]: 42: Hoare triple {7190#true} #res := 1; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-11 00:48:04,699 INFO L280 TraceCheckUtils]: 43: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-11 00:48:04,700 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} #67#return; {7369#(and (<= 2 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 2))} is VALID [2020-07-11 00:48:04,701 INFO L280 TraceCheckUtils]: 45: Hoare triple {7369#(and (<= 2 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 2))} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7369#(and (<= 2 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 2))} is VALID [2020-07-11 00:48:04,701 INFO L280 TraceCheckUtils]: 46: Hoare triple {7369#(and (<= 2 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 2))} #res := #t~ret2 + #t~ret3; {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2020-07-11 00:48:04,702 INFO L280 TraceCheckUtils]: 47: Hoare triple {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} havoc #t~ret3; {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2020-07-11 00:48:04,702 INFO L280 TraceCheckUtils]: 48: Hoare triple {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} havoc #t~ret2; {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2020-07-11 00:48:04,703 INFO L280 TraceCheckUtils]: 49: Hoare triple {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} assume true; {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2020-07-11 00:48:04,704 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} {7190#true} #69#return; {7313#(and (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|))} is VALID [2020-07-11 00:48:04,704 INFO L280 TraceCheckUtils]: 51: Hoare triple {7313#(and (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7313#(and (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|))} is VALID [2020-07-11 00:48:04,705 INFO L263 TraceCheckUtils]: 52: Hoare triple {7313#(and (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|))} call #t~ret1 := fibo2(~n - 2); {7190#true} is VALID [2020-07-11 00:48:04,705 INFO L280 TraceCheckUtils]: 53: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-11 00:48:04,705 INFO L280 TraceCheckUtils]: 54: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-11 00:48:04,705 INFO L280 TraceCheckUtils]: 55: Hoare triple {7190#true} assume !(1 == ~n); {7190#true} is VALID [2020-07-11 00:48:04,705 INFO L263 TraceCheckUtils]: 56: Hoare triple {7190#true} call #t~ret2 := fibo1(~n - 1); {7190#true} is VALID [2020-07-11 00:48:04,705 INFO L280 TraceCheckUtils]: 57: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-11 00:48:04,705 INFO L280 TraceCheckUtils]: 58: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-11 00:48:04,706 INFO L280 TraceCheckUtils]: 59: Hoare triple {7190#true} assume 1 == ~n; {7190#true} is VALID [2020-07-11 00:48:04,706 INFO L280 TraceCheckUtils]: 60: Hoare triple {7190#true} #res := 1; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-11 00:48:04,706 INFO L280 TraceCheckUtils]: 61: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-11 00:48:04,709 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {7190#true} #65#return; {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-11 00:48:04,710 INFO L280 TraceCheckUtils]: 63: Hoare triple {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-11 00:48:04,710 INFO L263 TraceCheckUtils]: 64: Hoare triple {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} call #t~ret3 := fibo1(~n - 2); {7190#true} is VALID [2020-07-11 00:48:04,710 INFO L280 TraceCheckUtils]: 65: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-11 00:48:04,711 INFO L280 TraceCheckUtils]: 66: Hoare triple {7190#true} assume ~n < 1; {7190#true} is VALID [2020-07-11 00:48:04,712 INFO L280 TraceCheckUtils]: 67: Hoare triple {7190#true} #res := 0; {7399#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} is VALID [2020-07-11 00:48:04,713 INFO L280 TraceCheckUtils]: 68: Hoare triple {7399#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} assume true; {7399#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} is VALID [2020-07-11 00:48:04,714 INFO L275 TraceCheckUtils]: 69: Hoare quadruple {7399#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} #67#return; {7398#(and (<= 1 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 1))} is VALID [2020-07-11 00:48:04,714 INFO L280 TraceCheckUtils]: 70: Hoare triple {7398#(and (<= 1 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 1))} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7398#(and (<= 1 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 1))} is VALID [2020-07-11 00:48:04,715 INFO L280 TraceCheckUtils]: 71: Hoare triple {7398#(and (<= 1 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 1))} #res := #t~ret2 + #t~ret3; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-11 00:48:04,715 INFO L280 TraceCheckUtils]: 72: Hoare triple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} havoc #t~ret3; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-11 00:48:04,716 INFO L280 TraceCheckUtils]: 73: Hoare triple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} havoc #t~ret2; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-11 00:48:04,716 INFO L280 TraceCheckUtils]: 74: Hoare triple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-11 00:48:04,717 INFO L275 TraceCheckUtils]: 75: Hoare quadruple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {7313#(and (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|))} #71#return; {7337#(and (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 3) (<= 3 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)))} is VALID [2020-07-11 00:48:04,718 INFO L280 TraceCheckUtils]: 76: Hoare triple {7337#(and (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 3) (<= 3 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {7337#(and (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 3) (<= 3 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)))} is VALID [2020-07-11 00:48:04,718 INFO L280 TraceCheckUtils]: 77: Hoare triple {7337#(and (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 3) (<= 3 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)))} #res := #t~ret0 + #t~ret1; {7338#(and (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3))} is VALID [2020-07-11 00:48:04,719 INFO L280 TraceCheckUtils]: 78: Hoare triple {7338#(and (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3))} havoc #t~ret1; {7338#(and (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3))} is VALID [2020-07-11 00:48:04,719 INFO L280 TraceCheckUtils]: 79: Hoare triple {7338#(and (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3))} havoc #t~ret0; {7338#(and (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3))} is VALID [2020-07-11 00:48:04,720 INFO L280 TraceCheckUtils]: 80: Hoare triple {7338#(and (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3))} assume true; {7338#(and (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3))} is VALID [2020-07-11 00:48:04,721 INFO L275 TraceCheckUtils]: 81: Hoare quadruple {7338#(and (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3))} {7190#true} #63#return; {7270#(and (<= 3 |main_#t~ret4|) (<= |main_#t~ret4| 3))} is VALID [2020-07-11 00:48:04,721 INFO L280 TraceCheckUtils]: 82: Hoare triple {7270#(and (<= 3 |main_#t~ret4|) (<= |main_#t~ret4| 3))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {7270#(and (<= 3 |main_#t~ret4|) (<= |main_#t~ret4| 3))} is VALID [2020-07-11 00:48:04,722 INFO L280 TraceCheckUtils]: 83: Hoare triple {7270#(and (<= 3 |main_#t~ret4|) (<= |main_#t~ret4| 3))} ~result~0 := #t~ret4; {7271#(and (<= main_~result~0 3) (<= 3 main_~result~0))} is VALID [2020-07-11 00:48:04,723 INFO L280 TraceCheckUtils]: 84: Hoare triple {7271#(and (<= main_~result~0 3) (<= 3 main_~result~0))} havoc #t~ret4; {7271#(and (<= main_~result~0 3) (<= 3 main_~result~0))} is VALID [2020-07-11 00:48:04,723 INFO L280 TraceCheckUtils]: 85: Hoare triple {7271#(and (<= main_~result~0 3) (<= 3 main_~result~0))} assume 3 != ~result~0; {7191#false} is VALID [2020-07-11 00:48:04,723 INFO L280 TraceCheckUtils]: 86: Hoare triple {7191#false} assume !false; {7191#false} is VALID [2020-07-11 00:48:04,731 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-07-11 00:48:04,731 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1876407053] [2020-07-11 00:48:04,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 00:48:04,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-07-11 00:48:04,732 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100477727] [2020-07-11 00:48:04,733 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 87 [2020-07-11 00:48:04,733 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:48:04,733 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states. [2020-07-11 00:48:04,807 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:48:04,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-11 00:48:04,807 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:48:04,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-11 00:48:04,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2020-07-11 00:48:04,808 INFO L87 Difference]: Start difference. First operand 103 states and 127 transitions. Second operand 17 states. [2020-07-11 00:48:06,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:06,765 INFO L93 Difference]: Finished difference Result 137 states and 167 transitions. [2020-07-11 00:48:06,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-07-11 00:48:06,765 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 87 [2020-07-11 00:48:06,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:48:06,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-07-11 00:48:06,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 97 transitions. [2020-07-11 00:48:06,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-07-11 00:48:06,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 97 transitions. [2020-07-11 00:48:06,770 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 26 states and 97 transitions. [2020-07-11 00:48:06,883 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 97 edges. 97 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:48:06,887 INFO L225 Difference]: With dead ends: 137 [2020-07-11 00:48:06,887 INFO L226 Difference]: Without dead ends: 131 [2020-07-11 00:48:06,888 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=95, Invalid=775, Unknown=0, NotChecked=0, Total=870 [2020-07-11 00:48:06,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-07-11 00:48:07,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 111. [2020-07-11 00:48:07,229 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:48:07,229 INFO L82 GeneralOperation]: Start isEquivalent. First operand 131 states. Second operand 111 states. [2020-07-11 00:48:07,229 INFO L74 IsIncluded]: Start isIncluded. First operand 131 states. Second operand 111 states. [2020-07-11 00:48:07,229 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 111 states. [2020-07-11 00:48:07,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:07,234 INFO L93 Difference]: Finished difference Result 131 states and 161 transitions. [2020-07-11 00:48:07,234 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 161 transitions. [2020-07-11 00:48:07,235 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:48:07,235 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:48:07,236 INFO L74 IsIncluded]: Start isIncluded. First operand 111 states. Second operand 131 states. [2020-07-11 00:48:07,236 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 131 states. [2020-07-11 00:48:07,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:07,240 INFO L93 Difference]: Finished difference Result 131 states and 161 transitions. [2020-07-11 00:48:07,241 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 161 transitions. [2020-07-11 00:48:07,242 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:48:07,242 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:48:07,242 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:48:07,242 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:48:07,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-07-11 00:48:07,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 137 transitions. [2020-07-11 00:48:07,246 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 137 transitions. Word has length 87 [2020-07-11 00:48:07,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:48:07,246 INFO L479 AbstractCegarLoop]: Abstraction has 111 states and 137 transitions. [2020-07-11 00:48:07,246 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-11 00:48:07,246 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 111 states and 137 transitions. [2020-07-11 00:48:07,504 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 137 edges. 137 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:48:07,504 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 137 transitions. [2020-07-11 00:48:07,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-11 00:48:07,507 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:48:07,507 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1] [2020-07-11 00:48:07,507 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-11 00:48:07,508 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:48:07,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:48:07,508 INFO L82 PathProgramCache]: Analyzing trace with hash -1530276981, now seen corresponding path program 2 times [2020-07-11 00:48:07,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:48:07,509 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1965304081] [2020-07-11 00:48:07,509 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:48:07,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:07,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:07,563 INFO L280 TraceCheckUtils]: 0: Hoare triple {8186#true} assume true; {8186#true} is VALID [2020-07-11 00:48:07,563 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {8186#true} {8186#true} #59#return; {8186#true} is VALID [2020-07-11 00:48:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:07,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:07,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:07,677 INFO L280 TraceCheckUtils]: 0: Hoare triple {8186#true} ~n := #in~n; {8376#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:07,678 INFO L280 TraceCheckUtils]: 1: Hoare triple {8376#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8376#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:07,679 INFO L280 TraceCheckUtils]: 2: Hoare triple {8376#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {8377#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:07,680 INFO L280 TraceCheckUtils]: 3: Hoare triple {8377#(<= |fibo2_#in~n| 1)} #res := 1; {8377#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:07,680 INFO L280 TraceCheckUtils]: 4: Hoare triple {8377#(<= |fibo2_#in~n| 1)} assume true; {8377#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:07,682 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {8377#(<= |fibo2_#in~n| 1)} {8186#true} #69#return; {8369#(<= fibo1_~n 2)} is VALID [2020-07-11 00:48:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:07,709 INFO L280 TraceCheckUtils]: 0: Hoare triple {8186#true} ~n := #in~n; {8376#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:07,710 INFO L280 TraceCheckUtils]: 1: Hoare triple {8376#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:07,711 INFO L280 TraceCheckUtils]: 2: Hoare triple {8378#(<= 1 |fibo2_#in~n|)} assume 1 == ~n; {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:07,712 INFO L280 TraceCheckUtils]: 3: Hoare triple {8378#(<= 1 |fibo2_#in~n|)} #res := 1; {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:07,713 INFO L280 TraceCheckUtils]: 4: Hoare triple {8378#(<= 1 |fibo2_#in~n|)} assume true; {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:07,714 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {8378#(<= 1 |fibo2_#in~n|)} {8369#(<= fibo1_~n 2)} #71#return; {8187#false} is VALID [2020-07-11 00:48:07,715 INFO L280 TraceCheckUtils]: 0: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-11 00:48:07,715 INFO L280 TraceCheckUtils]: 1: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-11 00:48:07,715 INFO L280 TraceCheckUtils]: 2: Hoare triple {8186#true} assume !(1 == ~n); {8186#true} is VALID [2020-07-11 00:48:07,716 INFO L263 TraceCheckUtils]: 3: Hoare triple {8186#true} call #t~ret0 := fibo2(~n - 1); {8186#true} is VALID [2020-07-11 00:48:07,717 INFO L280 TraceCheckUtils]: 4: Hoare triple {8186#true} ~n := #in~n; {8376#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:07,717 INFO L280 TraceCheckUtils]: 5: Hoare triple {8376#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8376#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:07,718 INFO L280 TraceCheckUtils]: 6: Hoare triple {8376#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {8377#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:07,719 INFO L280 TraceCheckUtils]: 7: Hoare triple {8377#(<= |fibo2_#in~n| 1)} #res := 1; {8377#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:07,720 INFO L280 TraceCheckUtils]: 8: Hoare triple {8377#(<= |fibo2_#in~n| 1)} assume true; {8377#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:07,721 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {8377#(<= |fibo2_#in~n| 1)} {8186#true} #69#return; {8369#(<= fibo1_~n 2)} is VALID [2020-07-11 00:48:07,722 INFO L280 TraceCheckUtils]: 10: Hoare triple {8369#(<= fibo1_~n 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8369#(<= fibo1_~n 2)} is VALID [2020-07-11 00:48:07,722 INFO L263 TraceCheckUtils]: 11: Hoare triple {8369#(<= fibo1_~n 2)} call #t~ret1 := fibo2(~n - 2); {8186#true} is VALID [2020-07-11 00:48:07,723 INFO L280 TraceCheckUtils]: 12: Hoare triple {8186#true} ~n := #in~n; {8376#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:07,723 INFO L280 TraceCheckUtils]: 13: Hoare triple {8376#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:07,724 INFO L280 TraceCheckUtils]: 14: Hoare triple {8378#(<= 1 |fibo2_#in~n|)} assume 1 == ~n; {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:07,725 INFO L280 TraceCheckUtils]: 15: Hoare triple {8378#(<= 1 |fibo2_#in~n|)} #res := 1; {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:07,726 INFO L280 TraceCheckUtils]: 16: Hoare triple {8378#(<= 1 |fibo2_#in~n|)} assume true; {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:07,727 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {8378#(<= 1 |fibo2_#in~n|)} {8369#(<= fibo1_~n 2)} #71#return; {8187#false} is VALID [2020-07-11 00:48:07,728 INFO L280 TraceCheckUtils]: 18: Hoare triple {8187#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {8187#false} is VALID [2020-07-11 00:48:07,728 INFO L280 TraceCheckUtils]: 19: Hoare triple {8187#false} #res := #t~ret0 + #t~ret1; {8187#false} is VALID [2020-07-11 00:48:07,728 INFO L280 TraceCheckUtils]: 20: Hoare triple {8187#false} havoc #t~ret1; {8187#false} is VALID [2020-07-11 00:48:07,729 INFO L280 TraceCheckUtils]: 21: Hoare triple {8187#false} havoc #t~ret0; {8187#false} is VALID [2020-07-11 00:48:07,729 INFO L280 TraceCheckUtils]: 22: Hoare triple {8187#false} assume true; {8187#false} is VALID [2020-07-11 00:48:07,729 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {8187#false} {8186#true} #65#return; {8187#false} is VALID [2020-07-11 00:48:07,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:07,734 INFO L280 TraceCheckUtils]: 0: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-11 00:48:07,735 INFO L280 TraceCheckUtils]: 1: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-11 00:48:07,735 INFO L280 TraceCheckUtils]: 2: Hoare triple {8186#true} assume 1 == ~n; {8186#true} is VALID [2020-07-11 00:48:07,735 INFO L280 TraceCheckUtils]: 3: Hoare triple {8186#true} #res := 1; {8186#true} is VALID [2020-07-11 00:48:07,735 INFO L280 TraceCheckUtils]: 4: Hoare triple {8186#true} assume true; {8186#true} is VALID [2020-07-11 00:48:07,735 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {8186#true} {8187#false} #67#return; {8187#false} is VALID [2020-07-11 00:48:07,736 INFO L280 TraceCheckUtils]: 0: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-11 00:48:07,736 INFO L280 TraceCheckUtils]: 1: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-11 00:48:07,736 INFO L280 TraceCheckUtils]: 2: Hoare triple {8186#true} assume !(1 == ~n); {8186#true} is VALID [2020-07-11 00:48:07,737 INFO L263 TraceCheckUtils]: 3: Hoare triple {8186#true} call #t~ret2 := fibo1(~n - 1); {8186#true} is VALID [2020-07-11 00:48:07,737 INFO L280 TraceCheckUtils]: 4: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-11 00:48:07,737 INFO L280 TraceCheckUtils]: 5: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-11 00:48:07,737 INFO L280 TraceCheckUtils]: 6: Hoare triple {8186#true} assume !(1 == ~n); {8186#true} is VALID [2020-07-11 00:48:07,737 INFO L263 TraceCheckUtils]: 7: Hoare triple {8186#true} call #t~ret0 := fibo2(~n - 1); {8186#true} is VALID [2020-07-11 00:48:07,738 INFO L280 TraceCheckUtils]: 8: Hoare triple {8186#true} ~n := #in~n; {8376#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:07,739 INFO L280 TraceCheckUtils]: 9: Hoare triple {8376#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8376#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:07,739 INFO L280 TraceCheckUtils]: 10: Hoare triple {8376#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {8377#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:07,740 INFO L280 TraceCheckUtils]: 11: Hoare triple {8377#(<= |fibo2_#in~n| 1)} #res := 1; {8377#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:07,740 INFO L280 TraceCheckUtils]: 12: Hoare triple {8377#(<= |fibo2_#in~n| 1)} assume true; {8377#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:07,741 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {8377#(<= |fibo2_#in~n| 1)} {8186#true} #69#return; {8369#(<= fibo1_~n 2)} is VALID [2020-07-11 00:48:07,742 INFO L280 TraceCheckUtils]: 14: Hoare triple {8369#(<= fibo1_~n 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8369#(<= fibo1_~n 2)} is VALID [2020-07-11 00:48:07,742 INFO L263 TraceCheckUtils]: 15: Hoare triple {8369#(<= fibo1_~n 2)} call #t~ret1 := fibo2(~n - 2); {8186#true} is VALID [2020-07-11 00:48:07,743 INFO L280 TraceCheckUtils]: 16: Hoare triple {8186#true} ~n := #in~n; {8376#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:07,744 INFO L280 TraceCheckUtils]: 17: Hoare triple {8376#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:07,745 INFO L280 TraceCheckUtils]: 18: Hoare triple {8378#(<= 1 |fibo2_#in~n|)} assume 1 == ~n; {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:07,746 INFO L280 TraceCheckUtils]: 19: Hoare triple {8378#(<= 1 |fibo2_#in~n|)} #res := 1; {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:07,746 INFO L280 TraceCheckUtils]: 20: Hoare triple {8378#(<= 1 |fibo2_#in~n|)} assume true; {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:07,747 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {8378#(<= 1 |fibo2_#in~n|)} {8369#(<= fibo1_~n 2)} #71#return; {8187#false} is VALID [2020-07-11 00:48:07,748 INFO L280 TraceCheckUtils]: 22: Hoare triple {8187#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {8187#false} is VALID [2020-07-11 00:48:07,748 INFO L280 TraceCheckUtils]: 23: Hoare triple {8187#false} #res := #t~ret0 + #t~ret1; {8187#false} is VALID [2020-07-11 00:48:07,748 INFO L280 TraceCheckUtils]: 24: Hoare triple {8187#false} havoc #t~ret1; {8187#false} is VALID [2020-07-11 00:48:07,748 INFO L280 TraceCheckUtils]: 25: Hoare triple {8187#false} havoc #t~ret0; {8187#false} is VALID [2020-07-11 00:48:07,748 INFO L280 TraceCheckUtils]: 26: Hoare triple {8187#false} assume true; {8187#false} is VALID [2020-07-11 00:48:07,749 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {8187#false} {8186#true} #65#return; {8187#false} is VALID [2020-07-11 00:48:07,749 INFO L280 TraceCheckUtils]: 28: Hoare triple {8187#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8187#false} is VALID [2020-07-11 00:48:07,749 INFO L263 TraceCheckUtils]: 29: Hoare triple {8187#false} call #t~ret3 := fibo1(~n - 2); {8186#true} is VALID [2020-07-11 00:48:07,749 INFO L280 TraceCheckUtils]: 30: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-11 00:48:07,749 INFO L280 TraceCheckUtils]: 31: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-11 00:48:07,750 INFO L280 TraceCheckUtils]: 32: Hoare triple {8186#true} assume 1 == ~n; {8186#true} is VALID [2020-07-11 00:48:07,750 INFO L280 TraceCheckUtils]: 33: Hoare triple {8186#true} #res := 1; {8186#true} is VALID [2020-07-11 00:48:07,750 INFO L280 TraceCheckUtils]: 34: Hoare triple {8186#true} assume true; {8186#true} is VALID [2020-07-11 00:48:07,750 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {8186#true} {8187#false} #67#return; {8187#false} is VALID [2020-07-11 00:48:07,750 INFO L280 TraceCheckUtils]: 36: Hoare triple {8187#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {8187#false} is VALID [2020-07-11 00:48:07,751 INFO L280 TraceCheckUtils]: 37: Hoare triple {8187#false} #res := #t~ret2 + #t~ret3; {8187#false} is VALID [2020-07-11 00:48:07,751 INFO L280 TraceCheckUtils]: 38: Hoare triple {8187#false} havoc #t~ret3; {8187#false} is VALID [2020-07-11 00:48:07,751 INFO L280 TraceCheckUtils]: 39: Hoare triple {8187#false} havoc #t~ret2; {8187#false} is VALID [2020-07-11 00:48:07,751 INFO L280 TraceCheckUtils]: 40: Hoare triple {8187#false} assume true; {8187#false} is VALID [2020-07-11 00:48:07,751 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {8187#false} {8186#true} #69#return; {8187#false} is VALID [2020-07-11 00:48:07,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:07,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:07,766 INFO L280 TraceCheckUtils]: 0: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-11 00:48:07,767 INFO L280 TraceCheckUtils]: 1: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-11 00:48:07,767 INFO L280 TraceCheckUtils]: 2: Hoare triple {8186#true} assume 1 == ~n; {8186#true} is VALID [2020-07-11 00:48:07,767 INFO L280 TraceCheckUtils]: 3: Hoare triple {8186#true} #res := 1; {8186#true} is VALID [2020-07-11 00:48:07,768 INFO L280 TraceCheckUtils]: 4: Hoare triple {8186#true} assume true; {8186#true} is VALID [2020-07-11 00:48:07,768 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {8186#true} {8186#true} #65#return; {8186#true} is VALID [2020-07-11 00:48:07,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:07,773 INFO L280 TraceCheckUtils]: 0: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-11 00:48:07,774 INFO L280 TraceCheckUtils]: 1: Hoare triple {8186#true} assume ~n < 1; {8186#true} is VALID [2020-07-11 00:48:07,774 INFO L280 TraceCheckUtils]: 2: Hoare triple {8186#true} #res := 0; {8186#true} is VALID [2020-07-11 00:48:07,774 INFO L280 TraceCheckUtils]: 3: Hoare triple {8186#true} assume true; {8186#true} is VALID [2020-07-11 00:48:07,775 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {8186#true} {8186#true} #67#return; {8186#true} is VALID [2020-07-11 00:48:07,775 INFO L280 TraceCheckUtils]: 0: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-11 00:48:07,775 INFO L280 TraceCheckUtils]: 1: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-11 00:48:07,775 INFO L280 TraceCheckUtils]: 2: Hoare triple {8186#true} assume !(1 == ~n); {8186#true} is VALID [2020-07-11 00:48:07,776 INFO L263 TraceCheckUtils]: 3: Hoare triple {8186#true} call #t~ret2 := fibo1(~n - 1); {8186#true} is VALID [2020-07-11 00:48:07,776 INFO L280 TraceCheckUtils]: 4: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-11 00:48:07,776 INFO L280 TraceCheckUtils]: 5: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-11 00:48:07,776 INFO L280 TraceCheckUtils]: 6: Hoare triple {8186#true} assume 1 == ~n; {8186#true} is VALID [2020-07-11 00:48:07,777 INFO L280 TraceCheckUtils]: 7: Hoare triple {8186#true} #res := 1; {8186#true} is VALID [2020-07-11 00:48:07,777 INFO L280 TraceCheckUtils]: 8: Hoare triple {8186#true} assume true; {8186#true} is VALID [2020-07-11 00:48:07,777 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {8186#true} {8186#true} #65#return; {8186#true} is VALID [2020-07-11 00:48:07,777 INFO L280 TraceCheckUtils]: 10: Hoare triple {8186#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8186#true} is VALID [2020-07-11 00:48:07,777 INFO L263 TraceCheckUtils]: 11: Hoare triple {8186#true} call #t~ret3 := fibo1(~n - 2); {8186#true} is VALID [2020-07-11 00:48:07,778 INFO L280 TraceCheckUtils]: 12: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-11 00:48:07,778 INFO L280 TraceCheckUtils]: 13: Hoare triple {8186#true} assume ~n < 1; {8186#true} is VALID [2020-07-11 00:48:07,778 INFO L280 TraceCheckUtils]: 14: Hoare triple {8186#true} #res := 0; {8186#true} is VALID [2020-07-11 00:48:07,778 INFO L280 TraceCheckUtils]: 15: Hoare triple {8186#true} assume true; {8186#true} is VALID [2020-07-11 00:48:07,778 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {8186#true} {8186#true} #67#return; {8186#true} is VALID [2020-07-11 00:48:07,779 INFO L280 TraceCheckUtils]: 17: Hoare triple {8186#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {8186#true} is VALID [2020-07-11 00:48:07,779 INFO L280 TraceCheckUtils]: 18: Hoare triple {8186#true} #res := #t~ret2 + #t~ret3; {8186#true} is VALID [2020-07-11 00:48:07,779 INFO L280 TraceCheckUtils]: 19: Hoare triple {8186#true} havoc #t~ret3; {8186#true} is VALID [2020-07-11 00:48:07,779 INFO L280 TraceCheckUtils]: 20: Hoare triple {8186#true} havoc #t~ret2; {8186#true} is VALID [2020-07-11 00:48:07,780 INFO L280 TraceCheckUtils]: 21: Hoare triple {8186#true} assume true; {8186#true} is VALID [2020-07-11 00:48:07,780 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {8186#true} {8187#false} #71#return; {8187#false} is VALID [2020-07-11 00:48:07,780 INFO L280 TraceCheckUtils]: 0: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-11 00:48:07,781 INFO L280 TraceCheckUtils]: 1: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-11 00:48:07,781 INFO L280 TraceCheckUtils]: 2: Hoare triple {8186#true} assume !(1 == ~n); {8186#true} is VALID [2020-07-11 00:48:07,781 INFO L263 TraceCheckUtils]: 3: Hoare triple {8186#true} call #t~ret0 := fibo2(~n - 1); {8186#true} is VALID [2020-07-11 00:48:07,781 INFO L280 TraceCheckUtils]: 4: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-11 00:48:07,781 INFO L280 TraceCheckUtils]: 5: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-11 00:48:07,782 INFO L280 TraceCheckUtils]: 6: Hoare triple {8186#true} assume !(1 == ~n); {8186#true} is VALID [2020-07-11 00:48:07,782 INFO L263 TraceCheckUtils]: 7: Hoare triple {8186#true} call #t~ret2 := fibo1(~n - 1); {8186#true} is VALID [2020-07-11 00:48:07,782 INFO L280 TraceCheckUtils]: 8: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-11 00:48:07,782 INFO L280 TraceCheckUtils]: 9: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-11 00:48:07,782 INFO L280 TraceCheckUtils]: 10: Hoare triple {8186#true} assume !(1 == ~n); {8186#true} is VALID [2020-07-11 00:48:07,783 INFO L263 TraceCheckUtils]: 11: Hoare triple {8186#true} call #t~ret0 := fibo2(~n - 1); {8186#true} is VALID [2020-07-11 00:48:07,786 INFO L280 TraceCheckUtils]: 12: Hoare triple {8186#true} ~n := #in~n; {8376#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:07,786 INFO L280 TraceCheckUtils]: 13: Hoare triple {8376#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8376#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:07,787 INFO L280 TraceCheckUtils]: 14: Hoare triple {8376#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {8377#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:07,787 INFO L280 TraceCheckUtils]: 15: Hoare triple {8377#(<= |fibo2_#in~n| 1)} #res := 1; {8377#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:07,788 INFO L280 TraceCheckUtils]: 16: Hoare triple {8377#(<= |fibo2_#in~n| 1)} assume true; {8377#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:07,789 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {8377#(<= |fibo2_#in~n| 1)} {8186#true} #69#return; {8369#(<= fibo1_~n 2)} is VALID [2020-07-11 00:48:07,790 INFO L280 TraceCheckUtils]: 18: Hoare triple {8369#(<= fibo1_~n 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8369#(<= fibo1_~n 2)} is VALID [2020-07-11 00:48:07,790 INFO L263 TraceCheckUtils]: 19: Hoare triple {8369#(<= fibo1_~n 2)} call #t~ret1 := fibo2(~n - 2); {8186#true} is VALID [2020-07-11 00:48:07,791 INFO L280 TraceCheckUtils]: 20: Hoare triple {8186#true} ~n := #in~n; {8376#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:07,792 INFO L280 TraceCheckUtils]: 21: Hoare triple {8376#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:07,792 INFO L280 TraceCheckUtils]: 22: Hoare triple {8378#(<= 1 |fibo2_#in~n|)} assume 1 == ~n; {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:07,793 INFO L280 TraceCheckUtils]: 23: Hoare triple {8378#(<= 1 |fibo2_#in~n|)} #res := 1; {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:07,794 INFO L280 TraceCheckUtils]: 24: Hoare triple {8378#(<= 1 |fibo2_#in~n|)} assume true; {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:07,795 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {8378#(<= 1 |fibo2_#in~n|)} {8369#(<= fibo1_~n 2)} #71#return; {8187#false} is VALID [2020-07-11 00:48:07,795 INFO L280 TraceCheckUtils]: 26: Hoare triple {8187#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {8187#false} is VALID [2020-07-11 00:48:07,795 INFO L280 TraceCheckUtils]: 27: Hoare triple {8187#false} #res := #t~ret0 + #t~ret1; {8187#false} is VALID [2020-07-11 00:48:07,796 INFO L280 TraceCheckUtils]: 28: Hoare triple {8187#false} havoc #t~ret1; {8187#false} is VALID [2020-07-11 00:48:07,796 INFO L280 TraceCheckUtils]: 29: Hoare triple {8187#false} havoc #t~ret0; {8187#false} is VALID [2020-07-11 00:48:07,796 INFO L280 TraceCheckUtils]: 30: Hoare triple {8187#false} assume true; {8187#false} is VALID [2020-07-11 00:48:07,796 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {8187#false} {8186#true} #65#return; {8187#false} is VALID [2020-07-11 00:48:07,797 INFO L280 TraceCheckUtils]: 32: Hoare triple {8187#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8187#false} is VALID [2020-07-11 00:48:07,797 INFO L263 TraceCheckUtils]: 33: Hoare triple {8187#false} call #t~ret3 := fibo1(~n - 2); {8186#true} is VALID [2020-07-11 00:48:07,797 INFO L280 TraceCheckUtils]: 34: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-11 00:48:07,797 INFO L280 TraceCheckUtils]: 35: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-11 00:48:07,797 INFO L280 TraceCheckUtils]: 36: Hoare triple {8186#true} assume 1 == ~n; {8186#true} is VALID [2020-07-11 00:48:07,798 INFO L280 TraceCheckUtils]: 37: Hoare triple {8186#true} #res := 1; {8186#true} is VALID [2020-07-11 00:48:07,798 INFO L280 TraceCheckUtils]: 38: Hoare triple {8186#true} assume true; {8186#true} is VALID [2020-07-11 00:48:07,798 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {8186#true} {8187#false} #67#return; {8187#false} is VALID [2020-07-11 00:48:07,798 INFO L280 TraceCheckUtils]: 40: Hoare triple {8187#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {8187#false} is VALID [2020-07-11 00:48:07,799 INFO L280 TraceCheckUtils]: 41: Hoare triple {8187#false} #res := #t~ret2 + #t~ret3; {8187#false} is VALID [2020-07-11 00:48:07,799 INFO L280 TraceCheckUtils]: 42: Hoare triple {8187#false} havoc #t~ret3; {8187#false} is VALID [2020-07-11 00:48:07,799 INFO L280 TraceCheckUtils]: 43: Hoare triple {8187#false} havoc #t~ret2; {8187#false} is VALID [2020-07-11 00:48:07,799 INFO L280 TraceCheckUtils]: 44: Hoare triple {8187#false} assume true; {8187#false} is VALID [2020-07-11 00:48:07,799 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {8187#false} {8186#true} #69#return; {8187#false} is VALID [2020-07-11 00:48:07,800 INFO L280 TraceCheckUtils]: 46: Hoare triple {8187#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8187#false} is VALID [2020-07-11 00:48:07,800 INFO L263 TraceCheckUtils]: 47: Hoare triple {8187#false} call #t~ret1 := fibo2(~n - 2); {8186#true} is VALID [2020-07-11 00:48:07,800 INFO L280 TraceCheckUtils]: 48: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-11 00:48:07,800 INFO L280 TraceCheckUtils]: 49: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-11 00:48:07,801 INFO L280 TraceCheckUtils]: 50: Hoare triple {8186#true} assume !(1 == ~n); {8186#true} is VALID [2020-07-11 00:48:07,801 INFO L263 TraceCheckUtils]: 51: Hoare triple {8186#true} call #t~ret2 := fibo1(~n - 1); {8186#true} is VALID [2020-07-11 00:48:07,801 INFO L280 TraceCheckUtils]: 52: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-11 00:48:07,801 INFO L280 TraceCheckUtils]: 53: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-11 00:48:07,802 INFO L280 TraceCheckUtils]: 54: Hoare triple {8186#true} assume 1 == ~n; {8186#true} is VALID [2020-07-11 00:48:07,802 INFO L280 TraceCheckUtils]: 55: Hoare triple {8186#true} #res := 1; {8186#true} is VALID [2020-07-11 00:48:07,802 INFO L280 TraceCheckUtils]: 56: Hoare triple {8186#true} assume true; {8186#true} is VALID [2020-07-11 00:48:07,802 INFO L275 TraceCheckUtils]: 57: Hoare quadruple {8186#true} {8186#true} #65#return; {8186#true} is VALID [2020-07-11 00:48:07,802 INFO L280 TraceCheckUtils]: 58: Hoare triple {8186#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8186#true} is VALID [2020-07-11 00:48:07,803 INFO L263 TraceCheckUtils]: 59: Hoare triple {8186#true} call #t~ret3 := fibo1(~n - 2); {8186#true} is VALID [2020-07-11 00:48:07,803 INFO L280 TraceCheckUtils]: 60: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-11 00:48:07,803 INFO L280 TraceCheckUtils]: 61: Hoare triple {8186#true} assume ~n < 1; {8186#true} is VALID [2020-07-11 00:48:07,803 INFO L280 TraceCheckUtils]: 62: Hoare triple {8186#true} #res := 0; {8186#true} is VALID [2020-07-11 00:48:07,803 INFO L280 TraceCheckUtils]: 63: Hoare triple {8186#true} assume true; {8186#true} is VALID [2020-07-11 00:48:07,804 INFO L275 TraceCheckUtils]: 64: Hoare quadruple {8186#true} {8186#true} #67#return; {8186#true} is VALID [2020-07-11 00:48:07,804 INFO L280 TraceCheckUtils]: 65: Hoare triple {8186#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {8186#true} is VALID [2020-07-11 00:48:07,804 INFO L280 TraceCheckUtils]: 66: Hoare triple {8186#true} #res := #t~ret2 + #t~ret3; {8186#true} is VALID [2020-07-11 00:48:07,804 INFO L280 TraceCheckUtils]: 67: Hoare triple {8186#true} havoc #t~ret3; {8186#true} is VALID [2020-07-11 00:48:07,805 INFO L280 TraceCheckUtils]: 68: Hoare triple {8186#true} havoc #t~ret2; {8186#true} is VALID [2020-07-11 00:48:07,805 INFO L280 TraceCheckUtils]: 69: Hoare triple {8186#true} assume true; {8186#true} is VALID [2020-07-11 00:48:07,805 INFO L275 TraceCheckUtils]: 70: Hoare quadruple {8186#true} {8187#false} #71#return; {8187#false} is VALID [2020-07-11 00:48:07,805 INFO L280 TraceCheckUtils]: 71: Hoare triple {8187#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {8187#false} is VALID [2020-07-11 00:48:07,805 INFO L280 TraceCheckUtils]: 72: Hoare triple {8187#false} #res := #t~ret0 + #t~ret1; {8187#false} is VALID [2020-07-11 00:48:07,806 INFO L280 TraceCheckUtils]: 73: Hoare triple {8187#false} havoc #t~ret1; {8187#false} is VALID [2020-07-11 00:48:07,806 INFO L280 TraceCheckUtils]: 74: Hoare triple {8187#false} havoc #t~ret0; {8187#false} is VALID [2020-07-11 00:48:07,806 INFO L280 TraceCheckUtils]: 75: Hoare triple {8187#false} assume true; {8187#false} is VALID [2020-07-11 00:48:07,806 INFO L275 TraceCheckUtils]: 76: Hoare quadruple {8187#false} {8190#(<= main_~x~0 4)} #63#return; {8187#false} is VALID [2020-07-11 00:48:07,811 INFO L263 TraceCheckUtils]: 0: Hoare triple {8186#true} call ULTIMATE.init(); {8186#true} is VALID [2020-07-11 00:48:07,811 INFO L280 TraceCheckUtils]: 1: Hoare triple {8186#true} assume true; {8186#true} is VALID [2020-07-11 00:48:07,811 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {8186#true} {8186#true} #59#return; {8186#true} is VALID [2020-07-11 00:48:07,812 INFO L263 TraceCheckUtils]: 3: Hoare triple {8186#true} call #t~ret5 := main(); {8186#true} is VALID [2020-07-11 00:48:07,815 INFO L280 TraceCheckUtils]: 4: Hoare triple {8186#true} ~x~0 := 4; {8190#(<= main_~x~0 4)} is VALID [2020-07-11 00:48:07,816 INFO L263 TraceCheckUtils]: 5: Hoare triple {8190#(<= main_~x~0 4)} call #t~ret4 := fibo1(~x~0); {8186#true} is VALID [2020-07-11 00:48:07,816 INFO L280 TraceCheckUtils]: 6: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-11 00:48:07,816 INFO L280 TraceCheckUtils]: 7: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-11 00:48:07,816 INFO L280 TraceCheckUtils]: 8: Hoare triple {8186#true} assume !(1 == ~n); {8186#true} is VALID [2020-07-11 00:48:07,817 INFO L263 TraceCheckUtils]: 9: Hoare triple {8186#true} call #t~ret0 := fibo2(~n - 1); {8186#true} is VALID [2020-07-11 00:48:07,817 INFO L280 TraceCheckUtils]: 10: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-11 00:48:07,817 INFO L280 TraceCheckUtils]: 11: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-11 00:48:07,817 INFO L280 TraceCheckUtils]: 12: Hoare triple {8186#true} assume !(1 == ~n); {8186#true} is VALID [2020-07-11 00:48:07,817 INFO L263 TraceCheckUtils]: 13: Hoare triple {8186#true} call #t~ret2 := fibo1(~n - 1); {8186#true} is VALID [2020-07-11 00:48:07,817 INFO L280 TraceCheckUtils]: 14: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-11 00:48:07,818 INFO L280 TraceCheckUtils]: 15: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-11 00:48:07,818 INFO L280 TraceCheckUtils]: 16: Hoare triple {8186#true} assume !(1 == ~n); {8186#true} is VALID [2020-07-11 00:48:07,818 INFO L263 TraceCheckUtils]: 17: Hoare triple {8186#true} call #t~ret0 := fibo2(~n - 1); {8186#true} is VALID [2020-07-11 00:48:07,819 INFO L280 TraceCheckUtils]: 18: Hoare triple {8186#true} ~n := #in~n; {8376#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:07,819 INFO L280 TraceCheckUtils]: 19: Hoare triple {8376#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8376#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:07,820 INFO L280 TraceCheckUtils]: 20: Hoare triple {8376#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {8377#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:07,820 INFO L280 TraceCheckUtils]: 21: Hoare triple {8377#(<= |fibo2_#in~n| 1)} #res := 1; {8377#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:07,821 INFO L280 TraceCheckUtils]: 22: Hoare triple {8377#(<= |fibo2_#in~n| 1)} assume true; {8377#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:07,822 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {8377#(<= |fibo2_#in~n| 1)} {8186#true} #69#return; {8369#(<= fibo1_~n 2)} is VALID [2020-07-11 00:48:07,823 INFO L280 TraceCheckUtils]: 24: Hoare triple {8369#(<= fibo1_~n 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8369#(<= fibo1_~n 2)} is VALID [2020-07-11 00:48:07,823 INFO L263 TraceCheckUtils]: 25: Hoare triple {8369#(<= fibo1_~n 2)} call #t~ret1 := fibo2(~n - 2); {8186#true} is VALID [2020-07-11 00:48:07,823 INFO L280 TraceCheckUtils]: 26: Hoare triple {8186#true} ~n := #in~n; {8376#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:07,824 INFO L280 TraceCheckUtils]: 27: Hoare triple {8376#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:07,824 INFO L280 TraceCheckUtils]: 28: Hoare triple {8378#(<= 1 |fibo2_#in~n|)} assume 1 == ~n; {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:07,825 INFO L280 TraceCheckUtils]: 29: Hoare triple {8378#(<= 1 |fibo2_#in~n|)} #res := 1; {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:07,825 INFO L280 TraceCheckUtils]: 30: Hoare triple {8378#(<= 1 |fibo2_#in~n|)} assume true; {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:07,826 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {8378#(<= 1 |fibo2_#in~n|)} {8369#(<= fibo1_~n 2)} #71#return; {8187#false} is VALID [2020-07-11 00:48:07,826 INFO L280 TraceCheckUtils]: 32: Hoare triple {8187#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {8187#false} is VALID [2020-07-11 00:48:07,827 INFO L280 TraceCheckUtils]: 33: Hoare triple {8187#false} #res := #t~ret0 + #t~ret1; {8187#false} is VALID [2020-07-11 00:48:07,827 INFO L280 TraceCheckUtils]: 34: Hoare triple {8187#false} havoc #t~ret1; {8187#false} is VALID [2020-07-11 00:48:07,827 INFO L280 TraceCheckUtils]: 35: Hoare triple {8187#false} havoc #t~ret0; {8187#false} is VALID [2020-07-11 00:48:07,827 INFO L280 TraceCheckUtils]: 36: Hoare triple {8187#false} assume true; {8187#false} is VALID [2020-07-11 00:48:07,827 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {8187#false} {8186#true} #65#return; {8187#false} is VALID [2020-07-11 00:48:07,827 INFO L280 TraceCheckUtils]: 38: Hoare triple {8187#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8187#false} is VALID [2020-07-11 00:48:07,828 INFO L263 TraceCheckUtils]: 39: Hoare triple {8187#false} call #t~ret3 := fibo1(~n - 2); {8186#true} is VALID [2020-07-11 00:48:07,828 INFO L280 TraceCheckUtils]: 40: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-11 00:48:07,828 INFO L280 TraceCheckUtils]: 41: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-11 00:48:07,828 INFO L280 TraceCheckUtils]: 42: Hoare triple {8186#true} assume 1 == ~n; {8186#true} is VALID [2020-07-11 00:48:07,828 INFO L280 TraceCheckUtils]: 43: Hoare triple {8186#true} #res := 1; {8186#true} is VALID [2020-07-11 00:48:07,828 INFO L280 TraceCheckUtils]: 44: Hoare triple {8186#true} assume true; {8186#true} is VALID [2020-07-11 00:48:07,829 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {8186#true} {8187#false} #67#return; {8187#false} is VALID [2020-07-11 00:48:07,829 INFO L280 TraceCheckUtils]: 46: Hoare triple {8187#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {8187#false} is VALID [2020-07-11 00:48:07,829 INFO L280 TraceCheckUtils]: 47: Hoare triple {8187#false} #res := #t~ret2 + #t~ret3; {8187#false} is VALID [2020-07-11 00:48:07,829 INFO L280 TraceCheckUtils]: 48: Hoare triple {8187#false} havoc #t~ret3; {8187#false} is VALID [2020-07-11 00:48:07,829 INFO L280 TraceCheckUtils]: 49: Hoare triple {8187#false} havoc #t~ret2; {8187#false} is VALID [2020-07-11 00:48:07,829 INFO L280 TraceCheckUtils]: 50: Hoare triple {8187#false} assume true; {8187#false} is VALID [2020-07-11 00:48:07,830 INFO L275 TraceCheckUtils]: 51: Hoare quadruple {8187#false} {8186#true} #69#return; {8187#false} is VALID [2020-07-11 00:48:07,830 INFO L280 TraceCheckUtils]: 52: Hoare triple {8187#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8187#false} is VALID [2020-07-11 00:48:07,830 INFO L263 TraceCheckUtils]: 53: Hoare triple {8187#false} call #t~ret1 := fibo2(~n - 2); {8186#true} is VALID [2020-07-11 00:48:07,830 INFO L280 TraceCheckUtils]: 54: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-11 00:48:07,830 INFO L280 TraceCheckUtils]: 55: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-11 00:48:07,830 INFO L280 TraceCheckUtils]: 56: Hoare triple {8186#true} assume !(1 == ~n); {8186#true} is VALID [2020-07-11 00:48:07,831 INFO L263 TraceCheckUtils]: 57: Hoare triple {8186#true} call #t~ret2 := fibo1(~n - 1); {8186#true} is VALID [2020-07-11 00:48:07,831 INFO L280 TraceCheckUtils]: 58: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-11 00:48:07,831 INFO L280 TraceCheckUtils]: 59: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-11 00:48:07,831 INFO L280 TraceCheckUtils]: 60: Hoare triple {8186#true} assume 1 == ~n; {8186#true} is VALID [2020-07-11 00:48:07,831 INFO L280 TraceCheckUtils]: 61: Hoare triple {8186#true} #res := 1; {8186#true} is VALID [2020-07-11 00:48:07,831 INFO L280 TraceCheckUtils]: 62: Hoare triple {8186#true} assume true; {8186#true} is VALID [2020-07-11 00:48:07,832 INFO L275 TraceCheckUtils]: 63: Hoare quadruple {8186#true} {8186#true} #65#return; {8186#true} is VALID [2020-07-11 00:48:07,832 INFO L280 TraceCheckUtils]: 64: Hoare triple {8186#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8186#true} is VALID [2020-07-11 00:48:07,832 INFO L263 TraceCheckUtils]: 65: Hoare triple {8186#true} call #t~ret3 := fibo1(~n - 2); {8186#true} is VALID [2020-07-11 00:48:07,832 INFO L280 TraceCheckUtils]: 66: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-11 00:48:07,832 INFO L280 TraceCheckUtils]: 67: Hoare triple {8186#true} assume ~n < 1; {8186#true} is VALID [2020-07-11 00:48:07,832 INFO L280 TraceCheckUtils]: 68: Hoare triple {8186#true} #res := 0; {8186#true} is VALID [2020-07-11 00:48:07,833 INFO L280 TraceCheckUtils]: 69: Hoare triple {8186#true} assume true; {8186#true} is VALID [2020-07-11 00:48:07,833 INFO L275 TraceCheckUtils]: 70: Hoare quadruple {8186#true} {8186#true} #67#return; {8186#true} is VALID [2020-07-11 00:48:07,833 INFO L280 TraceCheckUtils]: 71: Hoare triple {8186#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {8186#true} is VALID [2020-07-11 00:48:07,833 INFO L280 TraceCheckUtils]: 72: Hoare triple {8186#true} #res := #t~ret2 + #t~ret3; {8186#true} is VALID [2020-07-11 00:48:07,833 INFO L280 TraceCheckUtils]: 73: Hoare triple {8186#true} havoc #t~ret3; {8186#true} is VALID [2020-07-11 00:48:07,833 INFO L280 TraceCheckUtils]: 74: Hoare triple {8186#true} havoc #t~ret2; {8186#true} is VALID [2020-07-11 00:48:07,834 INFO L280 TraceCheckUtils]: 75: Hoare triple {8186#true} assume true; {8186#true} is VALID [2020-07-11 00:48:07,834 INFO L275 TraceCheckUtils]: 76: Hoare quadruple {8186#true} {8187#false} #71#return; {8187#false} is VALID [2020-07-11 00:48:07,834 INFO L280 TraceCheckUtils]: 77: Hoare triple {8187#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {8187#false} is VALID [2020-07-11 00:48:07,834 INFO L280 TraceCheckUtils]: 78: Hoare triple {8187#false} #res := #t~ret0 + #t~ret1; {8187#false} is VALID [2020-07-11 00:48:07,834 INFO L280 TraceCheckUtils]: 79: Hoare triple {8187#false} havoc #t~ret1; {8187#false} is VALID [2020-07-11 00:48:07,834 INFO L280 TraceCheckUtils]: 80: Hoare triple {8187#false} havoc #t~ret0; {8187#false} is VALID [2020-07-11 00:48:07,835 INFO L280 TraceCheckUtils]: 81: Hoare triple {8187#false} assume true; {8187#false} is VALID [2020-07-11 00:48:07,836 INFO L275 TraceCheckUtils]: 82: Hoare quadruple {8187#false} {8190#(<= main_~x~0 4)} #63#return; {8187#false} is VALID [2020-07-11 00:48:07,836 INFO L280 TraceCheckUtils]: 83: Hoare triple {8187#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {8187#false} is VALID [2020-07-11 00:48:07,836 INFO L280 TraceCheckUtils]: 84: Hoare triple {8187#false} ~result~0 := #t~ret4; {8187#false} is VALID [2020-07-11 00:48:07,836 INFO L280 TraceCheckUtils]: 85: Hoare triple {8187#false} havoc #t~ret4; {8187#false} is VALID [2020-07-11 00:48:07,836 INFO L280 TraceCheckUtils]: 86: Hoare triple {8187#false} assume 3 != ~result~0; {8187#false} is VALID [2020-07-11 00:48:07,837 INFO L280 TraceCheckUtils]: 87: Hoare triple {8187#false} assume !false; {8187#false} is VALID [2020-07-11 00:48:07,843 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 16 proven. 26 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-07-11 00:48:07,843 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1965304081] [2020-07-11 00:48:07,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 00:48:07,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-07-11 00:48:07,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075033175] [2020-07-11 00:48:07,845 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2020-07-11 00:48:07,845 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:48:07,846 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-11 00:48:07,910 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:48:07,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-11 00:48:07,911 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:48:07,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-11 00:48:07,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-11 00:48:07,912 INFO L87 Difference]: Start difference. First operand 111 states and 137 transitions. Second operand 7 states. [2020-07-11 00:48:08,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:08,494 INFO L93 Difference]: Finished difference Result 197 states and 253 transitions. [2020-07-11 00:48:08,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-11 00:48:08,495 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2020-07-11 00:48:08,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:48:08,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-11 00:48:08,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 109 transitions. [2020-07-11 00:48:08,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-11 00:48:08,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 109 transitions. [2020-07-11 00:48:08,499 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 109 transitions. [2020-07-11 00:48:08,624 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 109 edges. 109 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:48:08,627 INFO L225 Difference]: With dead ends: 197 [2020-07-11 00:48:08,627 INFO L226 Difference]: Without dead ends: 94 [2020-07-11 00:48:08,628 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-07-11 00:48:08,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-07-11 00:48:08,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2020-07-11 00:48:08,990 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:48:08,990 INFO L82 GeneralOperation]: Start isEquivalent. First operand 94 states. Second operand 94 states. [2020-07-11 00:48:08,991 INFO L74 IsIncluded]: Start isIncluded. First operand 94 states. Second operand 94 states. [2020-07-11 00:48:08,991 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 94 states. [2020-07-11 00:48:08,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:08,994 INFO L93 Difference]: Finished difference Result 94 states and 114 transitions. [2020-07-11 00:48:08,995 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 114 transitions. [2020-07-11 00:48:08,995 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:48:08,995 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:48:08,996 INFO L74 IsIncluded]: Start isIncluded. First operand 94 states. Second operand 94 states. [2020-07-11 00:48:08,996 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 94 states. [2020-07-11 00:48:08,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:09,000 INFO L93 Difference]: Finished difference Result 94 states and 114 transitions. [2020-07-11 00:48:09,000 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 114 transitions. [2020-07-11 00:48:09,001 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:48:09,001 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:48:09,001 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:48:09,001 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:48:09,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-07-11 00:48:09,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 114 transitions. [2020-07-11 00:48:09,005 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 114 transitions. Word has length 88 [2020-07-11 00:48:09,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:48:09,006 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 114 transitions. [2020-07-11 00:48:09,006 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-11 00:48:09,007 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 94 states and 114 transitions. [2020-07-11 00:48:09,223 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 114 edges. 114 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:48:09,224 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 114 transitions. [2020-07-11 00:48:09,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-07-11 00:48:09,226 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:48:09,226 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-07-11 00:48:09,226 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-11 00:48:09,226 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:48:09,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:48:09,227 INFO L82 PathProgramCache]: Analyzing trace with hash 787407960, now seen corresponding path program 3 times [2020-07-11 00:48:09,227 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:48:09,227 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1366301166] [2020-07-11 00:48:09,227 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:48:09,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:09,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:09,282 INFO L280 TraceCheckUtils]: 0: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,283 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {9170#true} {9170#true} #59#return; {9170#true} is VALID [2020-07-11 00:48:09,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:09,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:09,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:09,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:09,465 INFO L280 TraceCheckUtils]: 0: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,465 INFO L280 TraceCheckUtils]: 1: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,466 INFO L280 TraceCheckUtils]: 2: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-11 00:48:09,466 INFO L280 TraceCheckUtils]: 3: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-11 00:48:09,466 INFO L280 TraceCheckUtils]: 4: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,467 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {9170#true} {9505#(<= 2 |fibo2_#in~n|)} #65#return; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:09,471 INFO L280 TraceCheckUtils]: 0: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,472 INFO L280 TraceCheckUtils]: 1: Hoare triple {9170#true} assume ~n < 1; {9170#true} is VALID [2020-07-11 00:48:09,472 INFO L280 TraceCheckUtils]: 2: Hoare triple {9170#true} #res := 0; {9170#true} is VALID [2020-07-11 00:48:09,472 INFO L280 TraceCheckUtils]: 3: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,473 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {9170#true} {9505#(<= 2 |fibo2_#in~n|)} #67#return; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,474 INFO L280 TraceCheckUtils]: 0: Hoare triple {9170#true} ~n := #in~n; {9503#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,474 INFO L280 TraceCheckUtils]: 1: Hoare triple {9503#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {9504#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-11 00:48:09,475 INFO L280 TraceCheckUtils]: 2: Hoare triple {9504#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,475 INFO L263 TraceCheckUtils]: 3: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {9170#true} is VALID [2020-07-11 00:48:09,476 INFO L280 TraceCheckUtils]: 4: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,476 INFO L280 TraceCheckUtils]: 5: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,476 INFO L280 TraceCheckUtils]: 6: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-11 00:48:09,476 INFO L280 TraceCheckUtils]: 7: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-11 00:48:09,477 INFO L280 TraceCheckUtils]: 8: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,478 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {9170#true} {9505#(<= 2 |fibo2_#in~n|)} #65#return; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,478 INFO L280 TraceCheckUtils]: 10: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,478 INFO L263 TraceCheckUtils]: 11: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {9170#true} is VALID [2020-07-11 00:48:09,479 INFO L280 TraceCheckUtils]: 12: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,479 INFO L280 TraceCheckUtils]: 13: Hoare triple {9170#true} assume ~n < 1; {9170#true} is VALID [2020-07-11 00:48:09,479 INFO L280 TraceCheckUtils]: 14: Hoare triple {9170#true} #res := 0; {9170#true} is VALID [2020-07-11 00:48:09,479 INFO L280 TraceCheckUtils]: 15: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,480 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {9170#true} {9505#(<= 2 |fibo2_#in~n|)} #67#return; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,481 INFO L280 TraceCheckUtils]: 17: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,481 INFO L280 TraceCheckUtils]: 18: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,482 INFO L280 TraceCheckUtils]: 19: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,482 INFO L280 TraceCheckUtils]: 20: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,483 INFO L280 TraceCheckUtils]: 21: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} assume true; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,484 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {9505#(<= 2 |fibo2_#in~n|)} {9305#(= fibo1_~n |fibo1_#in~n|)} #69#return; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:09,491 INFO L280 TraceCheckUtils]: 0: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,491 INFO L280 TraceCheckUtils]: 1: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,491 INFO L280 TraceCheckUtils]: 2: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-11 00:48:09,491 INFO L280 TraceCheckUtils]: 3: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-11 00:48:09,492 INFO L280 TraceCheckUtils]: 4: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,493 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {9170#true} {9496#(<= 3 |fibo1_#in~n|)} #71#return; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,493 INFO L280 TraceCheckUtils]: 0: Hoare triple {9170#true} ~n := #in~n; {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,494 INFO L280 TraceCheckUtils]: 1: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,494 INFO L280 TraceCheckUtils]: 2: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,494 INFO L263 TraceCheckUtils]: 3: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {9170#true} is VALID [2020-07-11 00:48:09,495 INFO L280 TraceCheckUtils]: 4: Hoare triple {9170#true} ~n := #in~n; {9503#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,496 INFO L280 TraceCheckUtils]: 5: Hoare triple {9503#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {9504#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-11 00:48:09,497 INFO L280 TraceCheckUtils]: 6: Hoare triple {9504#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,497 INFO L263 TraceCheckUtils]: 7: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {9170#true} is VALID [2020-07-11 00:48:09,497 INFO L280 TraceCheckUtils]: 8: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,497 INFO L280 TraceCheckUtils]: 9: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,497 INFO L280 TraceCheckUtils]: 10: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-11 00:48:09,498 INFO L280 TraceCheckUtils]: 11: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-11 00:48:09,498 INFO L280 TraceCheckUtils]: 12: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,499 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {9170#true} {9505#(<= 2 |fibo2_#in~n|)} #65#return; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,499 INFO L280 TraceCheckUtils]: 14: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,499 INFO L263 TraceCheckUtils]: 15: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {9170#true} is VALID [2020-07-11 00:48:09,500 INFO L280 TraceCheckUtils]: 16: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,500 INFO L280 TraceCheckUtils]: 17: Hoare triple {9170#true} assume ~n < 1; {9170#true} is VALID [2020-07-11 00:48:09,500 INFO L280 TraceCheckUtils]: 18: Hoare triple {9170#true} #res := 0; {9170#true} is VALID [2020-07-11 00:48:09,500 INFO L280 TraceCheckUtils]: 19: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,501 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {9170#true} {9505#(<= 2 |fibo2_#in~n|)} #67#return; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,502 INFO L280 TraceCheckUtils]: 21: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,502 INFO L280 TraceCheckUtils]: 22: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,503 INFO L280 TraceCheckUtils]: 23: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,503 INFO L280 TraceCheckUtils]: 24: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,504 INFO L280 TraceCheckUtils]: 25: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} assume true; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,505 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {9505#(<= 2 |fibo2_#in~n|)} {9305#(= fibo1_~n |fibo1_#in~n|)} #69#return; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,506 INFO L280 TraceCheckUtils]: 27: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,506 INFO L263 TraceCheckUtils]: 28: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {9170#true} is VALID [2020-07-11 00:48:09,506 INFO L280 TraceCheckUtils]: 29: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,507 INFO L280 TraceCheckUtils]: 30: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,507 INFO L280 TraceCheckUtils]: 31: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-11 00:48:09,507 INFO L280 TraceCheckUtils]: 32: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-11 00:48:09,507 INFO L280 TraceCheckUtils]: 33: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,509 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {9170#true} {9496#(<= 3 |fibo1_#in~n|)} #71#return; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,510 INFO L280 TraceCheckUtils]: 35: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,510 INFO L280 TraceCheckUtils]: 36: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,511 INFO L280 TraceCheckUtils]: 37: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} havoc #t~ret1; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,512 INFO L280 TraceCheckUtils]: 38: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} havoc #t~ret0; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,512 INFO L280 TraceCheckUtils]: 39: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} assume true; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,514 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {9496#(<= 3 |fibo1_#in~n|)} {9170#true} #65#return; {9466#(<= 4 fibo2_~n)} is VALID [2020-07-11 00:48:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:09,543 INFO L280 TraceCheckUtils]: 0: Hoare triple {9170#true} ~n := #in~n; {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,544 INFO L280 TraceCheckUtils]: 1: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,545 INFO L280 TraceCheckUtils]: 2: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {9517#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:48:09,546 INFO L280 TraceCheckUtils]: 3: Hoare triple {9517#(<= |fibo1_#in~n| 1)} #res := 1; {9517#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:48:09,546 INFO L280 TraceCheckUtils]: 4: Hoare triple {9517#(<= |fibo1_#in~n| 1)} assume true; {9517#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:48:09,548 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {9517#(<= |fibo1_#in~n| 1)} {9466#(<= 4 fibo2_~n)} #67#return; {9171#false} is VALID [2020-07-11 00:48:09,548 INFO L280 TraceCheckUtils]: 0: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,549 INFO L280 TraceCheckUtils]: 1: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,549 INFO L280 TraceCheckUtils]: 2: Hoare triple {9170#true} assume !(1 == ~n); {9170#true} is VALID [2020-07-11 00:48:09,549 INFO L263 TraceCheckUtils]: 3: Hoare triple {9170#true} call #t~ret2 := fibo1(~n - 1); {9170#true} is VALID [2020-07-11 00:48:09,550 INFO L280 TraceCheckUtils]: 4: Hoare triple {9170#true} ~n := #in~n; {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,551 INFO L280 TraceCheckUtils]: 5: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,551 INFO L280 TraceCheckUtils]: 6: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,552 INFO L263 TraceCheckUtils]: 7: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {9170#true} is VALID [2020-07-11 00:48:09,552 INFO L280 TraceCheckUtils]: 8: Hoare triple {9170#true} ~n := #in~n; {9503#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,553 INFO L280 TraceCheckUtils]: 9: Hoare triple {9503#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {9504#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-11 00:48:09,554 INFO L280 TraceCheckUtils]: 10: Hoare triple {9504#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,555 INFO L263 TraceCheckUtils]: 11: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {9170#true} is VALID [2020-07-11 00:48:09,555 INFO L280 TraceCheckUtils]: 12: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,555 INFO L280 TraceCheckUtils]: 13: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,555 INFO L280 TraceCheckUtils]: 14: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-11 00:48:09,556 INFO L280 TraceCheckUtils]: 15: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-11 00:48:09,556 INFO L280 TraceCheckUtils]: 16: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,557 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {9170#true} {9505#(<= 2 |fibo2_#in~n|)} #65#return; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,558 INFO L280 TraceCheckUtils]: 18: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,558 INFO L263 TraceCheckUtils]: 19: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {9170#true} is VALID [2020-07-11 00:48:09,558 INFO L280 TraceCheckUtils]: 20: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,559 INFO L280 TraceCheckUtils]: 21: Hoare triple {9170#true} assume ~n < 1; {9170#true} is VALID [2020-07-11 00:48:09,559 INFO L280 TraceCheckUtils]: 22: Hoare triple {9170#true} #res := 0; {9170#true} is VALID [2020-07-11 00:48:09,560 INFO L280 TraceCheckUtils]: 23: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,561 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {9170#true} {9505#(<= 2 |fibo2_#in~n|)} #67#return; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,561 INFO L280 TraceCheckUtils]: 25: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,562 INFO L280 TraceCheckUtils]: 26: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,563 INFO L280 TraceCheckUtils]: 27: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,563 INFO L280 TraceCheckUtils]: 28: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,564 INFO L280 TraceCheckUtils]: 29: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} assume true; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,566 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {9505#(<= 2 |fibo2_#in~n|)} {9305#(= fibo1_~n |fibo1_#in~n|)} #69#return; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,566 INFO L280 TraceCheckUtils]: 31: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,567 INFO L263 TraceCheckUtils]: 32: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {9170#true} is VALID [2020-07-11 00:48:09,567 INFO L280 TraceCheckUtils]: 33: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,567 INFO L280 TraceCheckUtils]: 34: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,567 INFO L280 TraceCheckUtils]: 35: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-11 00:48:09,568 INFO L280 TraceCheckUtils]: 36: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-11 00:48:09,568 INFO L280 TraceCheckUtils]: 37: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,569 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {9170#true} {9496#(<= 3 |fibo1_#in~n|)} #71#return; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,570 INFO L280 TraceCheckUtils]: 39: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,571 INFO L280 TraceCheckUtils]: 40: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,571 INFO L280 TraceCheckUtils]: 41: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} havoc #t~ret1; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,572 INFO L280 TraceCheckUtils]: 42: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} havoc #t~ret0; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,573 INFO L280 TraceCheckUtils]: 43: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} assume true; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,574 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {9496#(<= 3 |fibo1_#in~n|)} {9170#true} #65#return; {9466#(<= 4 fibo2_~n)} is VALID [2020-07-11 00:48:09,575 INFO L280 TraceCheckUtils]: 45: Hoare triple {9466#(<= 4 fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9466#(<= 4 fibo2_~n)} is VALID [2020-07-11 00:48:09,575 INFO L263 TraceCheckUtils]: 46: Hoare triple {9466#(<= 4 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {9170#true} is VALID [2020-07-11 00:48:09,576 INFO L280 TraceCheckUtils]: 47: Hoare triple {9170#true} ~n := #in~n; {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,577 INFO L280 TraceCheckUtils]: 48: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,578 INFO L280 TraceCheckUtils]: 49: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {9517#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:48:09,578 INFO L280 TraceCheckUtils]: 50: Hoare triple {9517#(<= |fibo1_#in~n| 1)} #res := 1; {9517#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:48:09,579 INFO L280 TraceCheckUtils]: 51: Hoare triple {9517#(<= |fibo1_#in~n| 1)} assume true; {9517#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:48:09,581 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {9517#(<= |fibo1_#in~n| 1)} {9466#(<= 4 fibo2_~n)} #67#return; {9171#false} is VALID [2020-07-11 00:48:09,581 INFO L280 TraceCheckUtils]: 53: Hoare triple {9171#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {9171#false} is VALID [2020-07-11 00:48:09,581 INFO L280 TraceCheckUtils]: 54: Hoare triple {9171#false} #res := #t~ret2 + #t~ret3; {9171#false} is VALID [2020-07-11 00:48:09,581 INFO L280 TraceCheckUtils]: 55: Hoare triple {9171#false} havoc #t~ret3; {9171#false} is VALID [2020-07-11 00:48:09,582 INFO L280 TraceCheckUtils]: 56: Hoare triple {9171#false} havoc #t~ret2; {9171#false} is VALID [2020-07-11 00:48:09,582 INFO L280 TraceCheckUtils]: 57: Hoare triple {9171#false} assume true; {9171#false} is VALID [2020-07-11 00:48:09,582 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {9171#false} {9305#(= fibo1_~n |fibo1_#in~n|)} #69#return; {9365#(<= 5 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:09,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:09,622 INFO L280 TraceCheckUtils]: 0: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,623 INFO L280 TraceCheckUtils]: 1: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,623 INFO L280 TraceCheckUtils]: 2: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-11 00:48:09,623 INFO L280 TraceCheckUtils]: 3: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-11 00:48:09,623 INFO L280 TraceCheckUtils]: 4: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,624 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {9170#true} {9170#true} #65#return; {9170#true} is VALID [2020-07-11 00:48:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:09,627 INFO L280 TraceCheckUtils]: 0: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,628 INFO L280 TraceCheckUtils]: 1: Hoare triple {9170#true} assume ~n < 1; {9170#true} is VALID [2020-07-11 00:48:09,628 INFO L280 TraceCheckUtils]: 2: Hoare triple {9170#true} #res := 0; {9170#true} is VALID [2020-07-11 00:48:09,628 INFO L280 TraceCheckUtils]: 3: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,629 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {9170#true} {9170#true} #67#return; {9170#true} is VALID [2020-07-11 00:48:09,629 INFO L280 TraceCheckUtils]: 0: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,630 INFO L280 TraceCheckUtils]: 1: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,630 INFO L280 TraceCheckUtils]: 2: Hoare triple {9170#true} assume !(1 == ~n); {9170#true} is VALID [2020-07-11 00:48:09,630 INFO L263 TraceCheckUtils]: 3: Hoare triple {9170#true} call #t~ret2 := fibo1(~n - 1); {9170#true} is VALID [2020-07-11 00:48:09,630 INFO L280 TraceCheckUtils]: 4: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,631 INFO L280 TraceCheckUtils]: 5: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,631 INFO L280 TraceCheckUtils]: 6: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-11 00:48:09,631 INFO L280 TraceCheckUtils]: 7: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-11 00:48:09,631 INFO L280 TraceCheckUtils]: 8: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,632 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {9170#true} {9170#true} #65#return; {9170#true} is VALID [2020-07-11 00:48:09,632 INFO L280 TraceCheckUtils]: 10: Hoare triple {9170#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9170#true} is VALID [2020-07-11 00:48:09,632 INFO L263 TraceCheckUtils]: 11: Hoare triple {9170#true} call #t~ret3 := fibo1(~n - 2); {9170#true} is VALID [2020-07-11 00:48:09,633 INFO L280 TraceCheckUtils]: 12: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,633 INFO L280 TraceCheckUtils]: 13: Hoare triple {9170#true} assume ~n < 1; {9170#true} is VALID [2020-07-11 00:48:09,633 INFO L280 TraceCheckUtils]: 14: Hoare triple {9170#true} #res := 0; {9170#true} is VALID [2020-07-11 00:48:09,634 INFO L280 TraceCheckUtils]: 15: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,634 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {9170#true} {9170#true} #67#return; {9170#true} is VALID [2020-07-11 00:48:09,634 INFO L280 TraceCheckUtils]: 17: Hoare triple {9170#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {9170#true} is VALID [2020-07-11 00:48:09,635 INFO L280 TraceCheckUtils]: 18: Hoare triple {9170#true} #res := #t~ret2 + #t~ret3; {9170#true} is VALID [2020-07-11 00:48:09,635 INFO L280 TraceCheckUtils]: 19: Hoare triple {9170#true} havoc #t~ret3; {9170#true} is VALID [2020-07-11 00:48:09,635 INFO L280 TraceCheckUtils]: 20: Hoare triple {9170#true} havoc #t~ret2; {9170#true} is VALID [2020-07-11 00:48:09,635 INFO L280 TraceCheckUtils]: 21: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,636 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {9170#true} {9170#true} #69#return; {9170#true} is VALID [2020-07-11 00:48:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:09,640 INFO L280 TraceCheckUtils]: 0: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,641 INFO L280 TraceCheckUtils]: 1: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,641 INFO L280 TraceCheckUtils]: 2: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-11 00:48:09,641 INFO L280 TraceCheckUtils]: 3: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-11 00:48:09,641 INFO L280 TraceCheckUtils]: 4: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,642 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {9170#true} {9170#true} #71#return; {9170#true} is VALID [2020-07-11 00:48:09,642 INFO L280 TraceCheckUtils]: 0: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,642 INFO L280 TraceCheckUtils]: 1: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,643 INFO L280 TraceCheckUtils]: 2: Hoare triple {9170#true} assume !(1 == ~n); {9170#true} is VALID [2020-07-11 00:48:09,643 INFO L263 TraceCheckUtils]: 3: Hoare triple {9170#true} call #t~ret0 := fibo2(~n - 1); {9170#true} is VALID [2020-07-11 00:48:09,643 INFO L280 TraceCheckUtils]: 4: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,644 INFO L280 TraceCheckUtils]: 5: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,644 INFO L280 TraceCheckUtils]: 6: Hoare triple {9170#true} assume !(1 == ~n); {9170#true} is VALID [2020-07-11 00:48:09,644 INFO L263 TraceCheckUtils]: 7: Hoare triple {9170#true} call #t~ret2 := fibo1(~n - 1); {9170#true} is VALID [2020-07-11 00:48:09,644 INFO L280 TraceCheckUtils]: 8: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,645 INFO L280 TraceCheckUtils]: 9: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,645 INFO L280 TraceCheckUtils]: 10: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-11 00:48:09,645 INFO L280 TraceCheckUtils]: 11: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-11 00:48:09,646 INFO L280 TraceCheckUtils]: 12: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,646 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {9170#true} {9170#true} #65#return; {9170#true} is VALID [2020-07-11 00:48:09,646 INFO L280 TraceCheckUtils]: 14: Hoare triple {9170#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9170#true} is VALID [2020-07-11 00:48:09,646 INFO L263 TraceCheckUtils]: 15: Hoare triple {9170#true} call #t~ret3 := fibo1(~n - 2); {9170#true} is VALID [2020-07-11 00:48:09,647 INFO L280 TraceCheckUtils]: 16: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,647 INFO L280 TraceCheckUtils]: 17: Hoare triple {9170#true} assume ~n < 1; {9170#true} is VALID [2020-07-11 00:48:09,647 INFO L280 TraceCheckUtils]: 18: Hoare triple {9170#true} #res := 0; {9170#true} is VALID [2020-07-11 00:48:09,647 INFO L280 TraceCheckUtils]: 19: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,648 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {9170#true} {9170#true} #67#return; {9170#true} is VALID [2020-07-11 00:48:09,648 INFO L280 TraceCheckUtils]: 21: Hoare triple {9170#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {9170#true} is VALID [2020-07-11 00:48:09,648 INFO L280 TraceCheckUtils]: 22: Hoare triple {9170#true} #res := #t~ret2 + #t~ret3; {9170#true} is VALID [2020-07-11 00:48:09,649 INFO L280 TraceCheckUtils]: 23: Hoare triple {9170#true} havoc #t~ret3; {9170#true} is VALID [2020-07-11 00:48:09,649 INFO L280 TraceCheckUtils]: 24: Hoare triple {9170#true} havoc #t~ret2; {9170#true} is VALID [2020-07-11 00:48:09,649 INFO L280 TraceCheckUtils]: 25: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,649 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {9170#true} {9170#true} #69#return; {9170#true} is VALID [2020-07-11 00:48:09,650 INFO L280 TraceCheckUtils]: 27: Hoare triple {9170#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {9170#true} is VALID [2020-07-11 00:48:09,650 INFO L263 TraceCheckUtils]: 28: Hoare triple {9170#true} call #t~ret1 := fibo2(~n - 2); {9170#true} is VALID [2020-07-11 00:48:09,650 INFO L280 TraceCheckUtils]: 29: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,650 INFO L280 TraceCheckUtils]: 30: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,651 INFO L280 TraceCheckUtils]: 31: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-11 00:48:09,651 INFO L280 TraceCheckUtils]: 32: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-11 00:48:09,651 INFO L280 TraceCheckUtils]: 33: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,651 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {9170#true} {9170#true} #71#return; {9170#true} is VALID [2020-07-11 00:48:09,651 INFO L280 TraceCheckUtils]: 35: Hoare triple {9170#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {9170#true} is VALID [2020-07-11 00:48:09,652 INFO L280 TraceCheckUtils]: 36: Hoare triple {9170#true} #res := #t~ret0 + #t~ret1; {9170#true} is VALID [2020-07-11 00:48:09,652 INFO L280 TraceCheckUtils]: 37: Hoare triple {9170#true} havoc #t~ret1; {9170#true} is VALID [2020-07-11 00:48:09,652 INFO L280 TraceCheckUtils]: 38: Hoare triple {9170#true} havoc #t~ret0; {9170#true} is VALID [2020-07-11 00:48:09,652 INFO L280 TraceCheckUtils]: 39: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,652 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {9170#true} {9170#true} #65#return; {9170#true} is VALID [2020-07-11 00:48:09,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:09,659 INFO L280 TraceCheckUtils]: 0: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,659 INFO L280 TraceCheckUtils]: 1: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,659 INFO L280 TraceCheckUtils]: 2: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-11 00:48:09,660 INFO L280 TraceCheckUtils]: 3: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-11 00:48:09,660 INFO L280 TraceCheckUtils]: 4: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,660 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {9170#true} {9170#true} #67#return; {9170#true} is VALID [2020-07-11 00:48:09,661 INFO L280 TraceCheckUtils]: 0: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,661 INFO L280 TraceCheckUtils]: 1: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,661 INFO L280 TraceCheckUtils]: 2: Hoare triple {9170#true} assume !(1 == ~n); {9170#true} is VALID [2020-07-11 00:48:09,661 INFO L263 TraceCheckUtils]: 3: Hoare triple {9170#true} call #t~ret2 := fibo1(~n - 1); {9170#true} is VALID [2020-07-11 00:48:09,662 INFO L280 TraceCheckUtils]: 4: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,662 INFO L280 TraceCheckUtils]: 5: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,662 INFO L280 TraceCheckUtils]: 6: Hoare triple {9170#true} assume !(1 == ~n); {9170#true} is VALID [2020-07-11 00:48:09,662 INFO L263 TraceCheckUtils]: 7: Hoare triple {9170#true} call #t~ret0 := fibo2(~n - 1); {9170#true} is VALID [2020-07-11 00:48:09,663 INFO L280 TraceCheckUtils]: 8: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,663 INFO L280 TraceCheckUtils]: 9: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,663 INFO L280 TraceCheckUtils]: 10: Hoare triple {9170#true} assume !(1 == ~n); {9170#true} is VALID [2020-07-11 00:48:09,664 INFO L263 TraceCheckUtils]: 11: Hoare triple {9170#true} call #t~ret2 := fibo1(~n - 1); {9170#true} is VALID [2020-07-11 00:48:09,664 INFO L280 TraceCheckUtils]: 12: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,664 INFO L280 TraceCheckUtils]: 13: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,664 INFO L280 TraceCheckUtils]: 14: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-11 00:48:09,665 INFO L280 TraceCheckUtils]: 15: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-11 00:48:09,665 INFO L280 TraceCheckUtils]: 16: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,665 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {9170#true} {9170#true} #65#return; {9170#true} is VALID [2020-07-11 00:48:09,665 INFO L280 TraceCheckUtils]: 18: Hoare triple {9170#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9170#true} is VALID [2020-07-11 00:48:09,666 INFO L263 TraceCheckUtils]: 19: Hoare triple {9170#true} call #t~ret3 := fibo1(~n - 2); {9170#true} is VALID [2020-07-11 00:48:09,666 INFO L280 TraceCheckUtils]: 20: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,666 INFO L280 TraceCheckUtils]: 21: Hoare triple {9170#true} assume ~n < 1; {9170#true} is VALID [2020-07-11 00:48:09,666 INFO L280 TraceCheckUtils]: 22: Hoare triple {9170#true} #res := 0; {9170#true} is VALID [2020-07-11 00:48:09,667 INFO L280 TraceCheckUtils]: 23: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,667 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {9170#true} {9170#true} #67#return; {9170#true} is VALID [2020-07-11 00:48:09,667 INFO L280 TraceCheckUtils]: 25: Hoare triple {9170#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {9170#true} is VALID [2020-07-11 00:48:09,667 INFO L280 TraceCheckUtils]: 26: Hoare triple {9170#true} #res := #t~ret2 + #t~ret3; {9170#true} is VALID [2020-07-11 00:48:09,668 INFO L280 TraceCheckUtils]: 27: Hoare triple {9170#true} havoc #t~ret3; {9170#true} is VALID [2020-07-11 00:48:09,668 INFO L280 TraceCheckUtils]: 28: Hoare triple {9170#true} havoc #t~ret2; {9170#true} is VALID [2020-07-11 00:48:09,668 INFO L280 TraceCheckUtils]: 29: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,668 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {9170#true} {9170#true} #69#return; {9170#true} is VALID [2020-07-11 00:48:09,669 INFO L280 TraceCheckUtils]: 31: Hoare triple {9170#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {9170#true} is VALID [2020-07-11 00:48:09,669 INFO L263 TraceCheckUtils]: 32: Hoare triple {9170#true} call #t~ret1 := fibo2(~n - 2); {9170#true} is VALID [2020-07-11 00:48:09,669 INFO L280 TraceCheckUtils]: 33: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,670 INFO L280 TraceCheckUtils]: 34: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,670 INFO L280 TraceCheckUtils]: 35: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-11 00:48:09,670 INFO L280 TraceCheckUtils]: 36: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-11 00:48:09,670 INFO L280 TraceCheckUtils]: 37: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,671 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {9170#true} {9170#true} #71#return; {9170#true} is VALID [2020-07-11 00:48:09,671 INFO L280 TraceCheckUtils]: 39: Hoare triple {9170#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {9170#true} is VALID [2020-07-11 00:48:09,671 INFO L280 TraceCheckUtils]: 40: Hoare triple {9170#true} #res := #t~ret0 + #t~ret1; {9170#true} is VALID [2020-07-11 00:48:09,671 INFO L280 TraceCheckUtils]: 41: Hoare triple {9170#true} havoc #t~ret1; {9170#true} is VALID [2020-07-11 00:48:09,672 INFO L280 TraceCheckUtils]: 42: Hoare triple {9170#true} havoc #t~ret0; {9170#true} is VALID [2020-07-11 00:48:09,672 INFO L280 TraceCheckUtils]: 43: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,672 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {9170#true} {9170#true} #65#return; {9170#true} is VALID [2020-07-11 00:48:09,672 INFO L280 TraceCheckUtils]: 45: Hoare triple {9170#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9170#true} is VALID [2020-07-11 00:48:09,673 INFO L263 TraceCheckUtils]: 46: Hoare triple {9170#true} call #t~ret3 := fibo1(~n - 2); {9170#true} is VALID [2020-07-11 00:48:09,673 INFO L280 TraceCheckUtils]: 47: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,673 INFO L280 TraceCheckUtils]: 48: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,673 INFO L280 TraceCheckUtils]: 49: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-11 00:48:09,673 INFO L280 TraceCheckUtils]: 50: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-11 00:48:09,674 INFO L280 TraceCheckUtils]: 51: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,674 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {9170#true} {9170#true} #67#return; {9170#true} is VALID [2020-07-11 00:48:09,674 INFO L280 TraceCheckUtils]: 53: Hoare triple {9170#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {9170#true} is VALID [2020-07-11 00:48:09,674 INFO L280 TraceCheckUtils]: 54: Hoare triple {9170#true} #res := #t~ret2 + #t~ret3; {9170#true} is VALID [2020-07-11 00:48:09,674 INFO L280 TraceCheckUtils]: 55: Hoare triple {9170#true} havoc #t~ret3; {9170#true} is VALID [2020-07-11 00:48:09,674 INFO L280 TraceCheckUtils]: 56: Hoare triple {9170#true} havoc #t~ret2; {9170#true} is VALID [2020-07-11 00:48:09,675 INFO L280 TraceCheckUtils]: 57: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,676 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {9170#true} {9365#(<= 5 |fibo1_#in~n|)} #71#return; {9365#(<= 5 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,678 INFO L280 TraceCheckUtils]: 0: Hoare triple {9170#true} ~n := #in~n; {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,678 INFO L280 TraceCheckUtils]: 1: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,679 INFO L280 TraceCheckUtils]: 2: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,679 INFO L263 TraceCheckUtils]: 3: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {9170#true} is VALID [2020-07-11 00:48:09,679 INFO L280 TraceCheckUtils]: 4: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,679 INFO L280 TraceCheckUtils]: 5: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,680 INFO L280 TraceCheckUtils]: 6: Hoare triple {9170#true} assume !(1 == ~n); {9170#true} is VALID [2020-07-11 00:48:09,680 INFO L263 TraceCheckUtils]: 7: Hoare triple {9170#true} call #t~ret2 := fibo1(~n - 1); {9170#true} is VALID [2020-07-11 00:48:09,680 INFO L280 TraceCheckUtils]: 8: Hoare triple {9170#true} ~n := #in~n; {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,681 INFO L280 TraceCheckUtils]: 9: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,681 INFO L280 TraceCheckUtils]: 10: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,681 INFO L263 TraceCheckUtils]: 11: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {9170#true} is VALID [2020-07-11 00:48:09,682 INFO L280 TraceCheckUtils]: 12: Hoare triple {9170#true} ~n := #in~n; {9503#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,683 INFO L280 TraceCheckUtils]: 13: Hoare triple {9503#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {9504#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-11 00:48:09,684 INFO L280 TraceCheckUtils]: 14: Hoare triple {9504#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,684 INFO L263 TraceCheckUtils]: 15: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {9170#true} is VALID [2020-07-11 00:48:09,684 INFO L280 TraceCheckUtils]: 16: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,684 INFO L280 TraceCheckUtils]: 17: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,684 INFO L280 TraceCheckUtils]: 18: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-11 00:48:09,684 INFO L280 TraceCheckUtils]: 19: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-11 00:48:09,685 INFO L280 TraceCheckUtils]: 20: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,685 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {9170#true} {9505#(<= 2 |fibo2_#in~n|)} #65#return; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,686 INFO L280 TraceCheckUtils]: 22: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,686 INFO L263 TraceCheckUtils]: 23: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {9170#true} is VALID [2020-07-11 00:48:09,686 INFO L280 TraceCheckUtils]: 24: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,687 INFO L280 TraceCheckUtils]: 25: Hoare triple {9170#true} assume ~n < 1; {9170#true} is VALID [2020-07-11 00:48:09,687 INFO L280 TraceCheckUtils]: 26: Hoare triple {9170#true} #res := 0; {9170#true} is VALID [2020-07-11 00:48:09,687 INFO L280 TraceCheckUtils]: 27: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,688 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {9170#true} {9505#(<= 2 |fibo2_#in~n|)} #67#return; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,688 INFO L280 TraceCheckUtils]: 29: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,689 INFO L280 TraceCheckUtils]: 30: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,689 INFO L280 TraceCheckUtils]: 31: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,690 INFO L280 TraceCheckUtils]: 32: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,691 INFO L280 TraceCheckUtils]: 33: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} assume true; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,692 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {9505#(<= 2 |fibo2_#in~n|)} {9305#(= fibo1_~n |fibo1_#in~n|)} #69#return; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,692 INFO L280 TraceCheckUtils]: 35: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,693 INFO L263 TraceCheckUtils]: 36: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {9170#true} is VALID [2020-07-11 00:48:09,693 INFO L280 TraceCheckUtils]: 37: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,693 INFO L280 TraceCheckUtils]: 38: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,693 INFO L280 TraceCheckUtils]: 39: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-11 00:48:09,693 INFO L280 TraceCheckUtils]: 40: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-11 00:48:09,694 INFO L280 TraceCheckUtils]: 41: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,695 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {9170#true} {9496#(<= 3 |fibo1_#in~n|)} #71#return; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,695 INFO L280 TraceCheckUtils]: 43: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,696 INFO L280 TraceCheckUtils]: 44: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,696 INFO L280 TraceCheckUtils]: 45: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} havoc #t~ret1; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,697 INFO L280 TraceCheckUtils]: 46: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} havoc #t~ret0; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,697 INFO L280 TraceCheckUtils]: 47: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} assume true; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,698 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {9496#(<= 3 |fibo1_#in~n|)} {9170#true} #65#return; {9466#(<= 4 fibo2_~n)} is VALID [2020-07-11 00:48:09,699 INFO L280 TraceCheckUtils]: 49: Hoare triple {9466#(<= 4 fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9466#(<= 4 fibo2_~n)} is VALID [2020-07-11 00:48:09,699 INFO L263 TraceCheckUtils]: 50: Hoare triple {9466#(<= 4 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {9170#true} is VALID [2020-07-11 00:48:09,699 INFO L280 TraceCheckUtils]: 51: Hoare triple {9170#true} ~n := #in~n; {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,700 INFO L280 TraceCheckUtils]: 52: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,701 INFO L280 TraceCheckUtils]: 53: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {9517#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:48:09,701 INFO L280 TraceCheckUtils]: 54: Hoare triple {9517#(<= |fibo1_#in~n| 1)} #res := 1; {9517#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:48:09,702 INFO L280 TraceCheckUtils]: 55: Hoare triple {9517#(<= |fibo1_#in~n| 1)} assume true; {9517#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:48:09,703 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {9517#(<= |fibo1_#in~n| 1)} {9466#(<= 4 fibo2_~n)} #67#return; {9171#false} is VALID [2020-07-11 00:48:09,703 INFO L280 TraceCheckUtils]: 57: Hoare triple {9171#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {9171#false} is VALID [2020-07-11 00:48:09,703 INFO L280 TraceCheckUtils]: 58: Hoare triple {9171#false} #res := #t~ret2 + #t~ret3; {9171#false} is VALID [2020-07-11 00:48:09,703 INFO L280 TraceCheckUtils]: 59: Hoare triple {9171#false} havoc #t~ret3; {9171#false} is VALID [2020-07-11 00:48:09,704 INFO L280 TraceCheckUtils]: 60: Hoare triple {9171#false} havoc #t~ret2; {9171#false} is VALID [2020-07-11 00:48:09,704 INFO L280 TraceCheckUtils]: 61: Hoare triple {9171#false} assume true; {9171#false} is VALID [2020-07-11 00:48:09,704 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {9171#false} {9305#(= fibo1_~n |fibo1_#in~n|)} #69#return; {9365#(<= 5 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,705 INFO L280 TraceCheckUtils]: 63: Hoare triple {9365#(<= 5 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {9365#(<= 5 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,705 INFO L263 TraceCheckUtils]: 64: Hoare triple {9365#(<= 5 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {9170#true} is VALID [2020-07-11 00:48:09,705 INFO L280 TraceCheckUtils]: 65: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,705 INFO L280 TraceCheckUtils]: 66: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,705 INFO L280 TraceCheckUtils]: 67: Hoare triple {9170#true} assume !(1 == ~n); {9170#true} is VALID [2020-07-11 00:48:09,705 INFO L263 TraceCheckUtils]: 68: Hoare triple {9170#true} call #t~ret2 := fibo1(~n - 1); {9170#true} is VALID [2020-07-11 00:48:09,706 INFO L280 TraceCheckUtils]: 69: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,706 INFO L280 TraceCheckUtils]: 70: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,706 INFO L280 TraceCheckUtils]: 71: Hoare triple {9170#true} assume !(1 == ~n); {9170#true} is VALID [2020-07-11 00:48:09,706 INFO L263 TraceCheckUtils]: 72: Hoare triple {9170#true} call #t~ret0 := fibo2(~n - 1); {9170#true} is VALID [2020-07-11 00:48:09,706 INFO L280 TraceCheckUtils]: 73: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,707 INFO L280 TraceCheckUtils]: 74: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,707 INFO L280 TraceCheckUtils]: 75: Hoare triple {9170#true} assume !(1 == ~n); {9170#true} is VALID [2020-07-11 00:48:09,707 INFO L263 TraceCheckUtils]: 76: Hoare triple {9170#true} call #t~ret2 := fibo1(~n - 1); {9170#true} is VALID [2020-07-11 00:48:09,707 INFO L280 TraceCheckUtils]: 77: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,707 INFO L280 TraceCheckUtils]: 78: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,707 INFO L280 TraceCheckUtils]: 79: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-11 00:48:09,708 INFO L280 TraceCheckUtils]: 80: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-11 00:48:09,708 INFO L280 TraceCheckUtils]: 81: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,708 INFO L275 TraceCheckUtils]: 82: Hoare quadruple {9170#true} {9170#true} #65#return; {9170#true} is VALID [2020-07-11 00:48:09,708 INFO L280 TraceCheckUtils]: 83: Hoare triple {9170#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9170#true} is VALID [2020-07-11 00:48:09,708 INFO L263 TraceCheckUtils]: 84: Hoare triple {9170#true} call #t~ret3 := fibo1(~n - 2); {9170#true} is VALID [2020-07-11 00:48:09,709 INFO L280 TraceCheckUtils]: 85: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,709 INFO L280 TraceCheckUtils]: 86: Hoare triple {9170#true} assume ~n < 1; {9170#true} is VALID [2020-07-11 00:48:09,709 INFO L280 TraceCheckUtils]: 87: Hoare triple {9170#true} #res := 0; {9170#true} is VALID [2020-07-11 00:48:09,709 INFO L280 TraceCheckUtils]: 88: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,709 INFO L275 TraceCheckUtils]: 89: Hoare quadruple {9170#true} {9170#true} #67#return; {9170#true} is VALID [2020-07-11 00:48:09,710 INFO L280 TraceCheckUtils]: 90: Hoare triple {9170#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {9170#true} is VALID [2020-07-11 00:48:09,710 INFO L280 TraceCheckUtils]: 91: Hoare triple {9170#true} #res := #t~ret2 + #t~ret3; {9170#true} is VALID [2020-07-11 00:48:09,710 INFO L280 TraceCheckUtils]: 92: Hoare triple {9170#true} havoc #t~ret3; {9170#true} is VALID [2020-07-11 00:48:09,710 INFO L280 TraceCheckUtils]: 93: Hoare triple {9170#true} havoc #t~ret2; {9170#true} is VALID [2020-07-11 00:48:09,710 INFO L280 TraceCheckUtils]: 94: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,711 INFO L275 TraceCheckUtils]: 95: Hoare quadruple {9170#true} {9170#true} #69#return; {9170#true} is VALID [2020-07-11 00:48:09,711 INFO L280 TraceCheckUtils]: 96: Hoare triple {9170#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {9170#true} is VALID [2020-07-11 00:48:09,711 INFO L263 TraceCheckUtils]: 97: Hoare triple {9170#true} call #t~ret1 := fibo2(~n - 2); {9170#true} is VALID [2020-07-11 00:48:09,711 INFO L280 TraceCheckUtils]: 98: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,711 INFO L280 TraceCheckUtils]: 99: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,711 INFO L280 TraceCheckUtils]: 100: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-11 00:48:09,712 INFO L280 TraceCheckUtils]: 101: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-11 00:48:09,712 INFO L280 TraceCheckUtils]: 102: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,712 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {9170#true} {9170#true} #71#return; {9170#true} is VALID [2020-07-11 00:48:09,712 INFO L280 TraceCheckUtils]: 104: Hoare triple {9170#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {9170#true} is VALID [2020-07-11 00:48:09,712 INFO L280 TraceCheckUtils]: 105: Hoare triple {9170#true} #res := #t~ret0 + #t~ret1; {9170#true} is VALID [2020-07-11 00:48:09,713 INFO L280 TraceCheckUtils]: 106: Hoare triple {9170#true} havoc #t~ret1; {9170#true} is VALID [2020-07-11 00:48:09,713 INFO L280 TraceCheckUtils]: 107: Hoare triple {9170#true} havoc #t~ret0; {9170#true} is VALID [2020-07-11 00:48:09,713 INFO L280 TraceCheckUtils]: 108: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,713 INFO L275 TraceCheckUtils]: 109: Hoare quadruple {9170#true} {9170#true} #65#return; {9170#true} is VALID [2020-07-11 00:48:09,713 INFO L280 TraceCheckUtils]: 110: Hoare triple {9170#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9170#true} is VALID [2020-07-11 00:48:09,713 INFO L263 TraceCheckUtils]: 111: Hoare triple {9170#true} call #t~ret3 := fibo1(~n - 2); {9170#true} is VALID [2020-07-11 00:48:09,714 INFO L280 TraceCheckUtils]: 112: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,714 INFO L280 TraceCheckUtils]: 113: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,714 INFO L280 TraceCheckUtils]: 114: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-11 00:48:09,714 INFO L280 TraceCheckUtils]: 115: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-11 00:48:09,714 INFO L280 TraceCheckUtils]: 116: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,714 INFO L275 TraceCheckUtils]: 117: Hoare quadruple {9170#true} {9170#true} #67#return; {9170#true} is VALID [2020-07-11 00:48:09,715 INFO L280 TraceCheckUtils]: 118: Hoare triple {9170#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {9170#true} is VALID [2020-07-11 00:48:09,715 INFO L280 TraceCheckUtils]: 119: Hoare triple {9170#true} #res := #t~ret2 + #t~ret3; {9170#true} is VALID [2020-07-11 00:48:09,715 INFO L280 TraceCheckUtils]: 120: Hoare triple {9170#true} havoc #t~ret3; {9170#true} is VALID [2020-07-11 00:48:09,715 INFO L280 TraceCheckUtils]: 121: Hoare triple {9170#true} havoc #t~ret2; {9170#true} is VALID [2020-07-11 00:48:09,715 INFO L280 TraceCheckUtils]: 122: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,717 INFO L275 TraceCheckUtils]: 123: Hoare quadruple {9170#true} {9365#(<= 5 |fibo1_#in~n|)} #71#return; {9365#(<= 5 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,717 INFO L280 TraceCheckUtils]: 124: Hoare triple {9365#(<= 5 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {9365#(<= 5 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,718 INFO L280 TraceCheckUtils]: 125: Hoare triple {9365#(<= 5 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {9365#(<= 5 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,718 INFO L280 TraceCheckUtils]: 126: Hoare triple {9365#(<= 5 |fibo1_#in~n|)} havoc #t~ret1; {9365#(<= 5 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,719 INFO L280 TraceCheckUtils]: 127: Hoare triple {9365#(<= 5 |fibo1_#in~n|)} havoc #t~ret0; {9365#(<= 5 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,719 INFO L280 TraceCheckUtils]: 128: Hoare triple {9365#(<= 5 |fibo1_#in~n|)} assume true; {9365#(<= 5 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,721 INFO L275 TraceCheckUtils]: 129: Hoare quadruple {9365#(<= 5 |fibo1_#in~n|)} {9174#(<= main_~x~0 4)} #63#return; {9171#false} is VALID [2020-07-11 00:48:09,732 INFO L263 TraceCheckUtils]: 0: Hoare triple {9170#true} call ULTIMATE.init(); {9170#true} is VALID [2020-07-11 00:48:09,732 INFO L280 TraceCheckUtils]: 1: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,732 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {9170#true} {9170#true} #59#return; {9170#true} is VALID [2020-07-11 00:48:09,733 INFO L263 TraceCheckUtils]: 3: Hoare triple {9170#true} call #t~ret5 := main(); {9170#true} is VALID [2020-07-11 00:48:09,733 INFO L280 TraceCheckUtils]: 4: Hoare triple {9170#true} ~x~0 := 4; {9174#(<= main_~x~0 4)} is VALID [2020-07-11 00:48:09,734 INFO L263 TraceCheckUtils]: 5: Hoare triple {9174#(<= main_~x~0 4)} call #t~ret4 := fibo1(~x~0); {9170#true} is VALID [2020-07-11 00:48:09,734 INFO L280 TraceCheckUtils]: 6: Hoare triple {9170#true} ~n := #in~n; {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,735 INFO L280 TraceCheckUtils]: 7: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,735 INFO L280 TraceCheckUtils]: 8: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,735 INFO L263 TraceCheckUtils]: 9: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {9170#true} is VALID [2020-07-11 00:48:09,736 INFO L280 TraceCheckUtils]: 10: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,736 INFO L280 TraceCheckUtils]: 11: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,736 INFO L280 TraceCheckUtils]: 12: Hoare triple {9170#true} assume !(1 == ~n); {9170#true} is VALID [2020-07-11 00:48:09,736 INFO L263 TraceCheckUtils]: 13: Hoare triple {9170#true} call #t~ret2 := fibo1(~n - 1); {9170#true} is VALID [2020-07-11 00:48:09,737 INFO L280 TraceCheckUtils]: 14: Hoare triple {9170#true} ~n := #in~n; {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,737 INFO L280 TraceCheckUtils]: 15: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,738 INFO L280 TraceCheckUtils]: 16: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,738 INFO L263 TraceCheckUtils]: 17: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {9170#true} is VALID [2020-07-11 00:48:09,738 INFO L280 TraceCheckUtils]: 18: Hoare triple {9170#true} ~n := #in~n; {9503#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,739 INFO L280 TraceCheckUtils]: 19: Hoare triple {9503#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {9504#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-11 00:48:09,740 INFO L280 TraceCheckUtils]: 20: Hoare triple {9504#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,740 INFO L263 TraceCheckUtils]: 21: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {9170#true} is VALID [2020-07-11 00:48:09,741 INFO L280 TraceCheckUtils]: 22: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,741 INFO L280 TraceCheckUtils]: 23: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,741 INFO L280 TraceCheckUtils]: 24: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-11 00:48:09,741 INFO L280 TraceCheckUtils]: 25: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-11 00:48:09,741 INFO L280 TraceCheckUtils]: 26: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,742 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {9170#true} {9505#(<= 2 |fibo2_#in~n|)} #65#return; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,743 INFO L280 TraceCheckUtils]: 28: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,743 INFO L263 TraceCheckUtils]: 29: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {9170#true} is VALID [2020-07-11 00:48:09,743 INFO L280 TraceCheckUtils]: 30: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,743 INFO L280 TraceCheckUtils]: 31: Hoare triple {9170#true} assume ~n < 1; {9170#true} is VALID [2020-07-11 00:48:09,743 INFO L280 TraceCheckUtils]: 32: Hoare triple {9170#true} #res := 0; {9170#true} is VALID [2020-07-11 00:48:09,744 INFO L280 TraceCheckUtils]: 33: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,744 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {9170#true} {9505#(<= 2 |fibo2_#in~n|)} #67#return; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,745 INFO L280 TraceCheckUtils]: 35: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,745 INFO L280 TraceCheckUtils]: 36: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,746 INFO L280 TraceCheckUtils]: 37: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,746 INFO L280 TraceCheckUtils]: 38: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,747 INFO L280 TraceCheckUtils]: 39: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} assume true; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:09,748 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {9505#(<= 2 |fibo2_#in~n|)} {9305#(= fibo1_~n |fibo1_#in~n|)} #69#return; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,749 INFO L280 TraceCheckUtils]: 41: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,749 INFO L263 TraceCheckUtils]: 42: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {9170#true} is VALID [2020-07-11 00:48:09,749 INFO L280 TraceCheckUtils]: 43: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,749 INFO L280 TraceCheckUtils]: 44: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,749 INFO L280 TraceCheckUtils]: 45: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-11 00:48:09,749 INFO L280 TraceCheckUtils]: 46: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-11 00:48:09,750 INFO L280 TraceCheckUtils]: 47: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,750 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {9170#true} {9496#(<= 3 |fibo1_#in~n|)} #71#return; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,751 INFO L280 TraceCheckUtils]: 49: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,751 INFO L280 TraceCheckUtils]: 50: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,752 INFO L280 TraceCheckUtils]: 51: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} havoc #t~ret1; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,752 INFO L280 TraceCheckUtils]: 52: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} havoc #t~ret0; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,753 INFO L280 TraceCheckUtils]: 53: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} assume true; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,754 INFO L275 TraceCheckUtils]: 54: Hoare quadruple {9496#(<= 3 |fibo1_#in~n|)} {9170#true} #65#return; {9466#(<= 4 fibo2_~n)} is VALID [2020-07-11 00:48:09,755 INFO L280 TraceCheckUtils]: 55: Hoare triple {9466#(<= 4 fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9466#(<= 4 fibo2_~n)} is VALID [2020-07-11 00:48:09,755 INFO L263 TraceCheckUtils]: 56: Hoare triple {9466#(<= 4 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {9170#true} is VALID [2020-07-11 00:48:09,755 INFO L280 TraceCheckUtils]: 57: Hoare triple {9170#true} ~n := #in~n; {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,756 INFO L280 TraceCheckUtils]: 58: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,757 INFO L280 TraceCheckUtils]: 59: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {9517#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:48:09,757 INFO L280 TraceCheckUtils]: 60: Hoare triple {9517#(<= |fibo1_#in~n| 1)} #res := 1; {9517#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:48:09,758 INFO L280 TraceCheckUtils]: 61: Hoare triple {9517#(<= |fibo1_#in~n| 1)} assume true; {9517#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:48:09,759 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {9517#(<= |fibo1_#in~n| 1)} {9466#(<= 4 fibo2_~n)} #67#return; {9171#false} is VALID [2020-07-11 00:48:09,759 INFO L280 TraceCheckUtils]: 63: Hoare triple {9171#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {9171#false} is VALID [2020-07-11 00:48:09,759 INFO L280 TraceCheckUtils]: 64: Hoare triple {9171#false} #res := #t~ret2 + #t~ret3; {9171#false} is VALID [2020-07-11 00:48:09,759 INFO L280 TraceCheckUtils]: 65: Hoare triple {9171#false} havoc #t~ret3; {9171#false} is VALID [2020-07-11 00:48:09,760 INFO L280 TraceCheckUtils]: 66: Hoare triple {9171#false} havoc #t~ret2; {9171#false} is VALID [2020-07-11 00:48:09,760 INFO L280 TraceCheckUtils]: 67: Hoare triple {9171#false} assume true; {9171#false} is VALID [2020-07-11 00:48:09,760 INFO L275 TraceCheckUtils]: 68: Hoare quadruple {9171#false} {9305#(= fibo1_~n |fibo1_#in~n|)} #69#return; {9365#(<= 5 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,761 INFO L280 TraceCheckUtils]: 69: Hoare triple {9365#(<= 5 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {9365#(<= 5 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,761 INFO L263 TraceCheckUtils]: 70: Hoare triple {9365#(<= 5 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {9170#true} is VALID [2020-07-11 00:48:09,761 INFO L280 TraceCheckUtils]: 71: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,761 INFO L280 TraceCheckUtils]: 72: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,761 INFO L280 TraceCheckUtils]: 73: Hoare triple {9170#true} assume !(1 == ~n); {9170#true} is VALID [2020-07-11 00:48:09,761 INFO L263 TraceCheckUtils]: 74: Hoare triple {9170#true} call #t~ret2 := fibo1(~n - 1); {9170#true} is VALID [2020-07-11 00:48:09,762 INFO L280 TraceCheckUtils]: 75: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,762 INFO L280 TraceCheckUtils]: 76: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,762 INFO L280 TraceCheckUtils]: 77: Hoare triple {9170#true} assume !(1 == ~n); {9170#true} is VALID [2020-07-11 00:48:09,762 INFO L263 TraceCheckUtils]: 78: Hoare triple {9170#true} call #t~ret0 := fibo2(~n - 1); {9170#true} is VALID [2020-07-11 00:48:09,762 INFO L280 TraceCheckUtils]: 79: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,762 INFO L280 TraceCheckUtils]: 80: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,763 INFO L280 TraceCheckUtils]: 81: Hoare triple {9170#true} assume !(1 == ~n); {9170#true} is VALID [2020-07-11 00:48:09,763 INFO L263 TraceCheckUtils]: 82: Hoare triple {9170#true} call #t~ret2 := fibo1(~n - 1); {9170#true} is VALID [2020-07-11 00:48:09,763 INFO L280 TraceCheckUtils]: 83: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,763 INFO L280 TraceCheckUtils]: 84: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,763 INFO L280 TraceCheckUtils]: 85: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-11 00:48:09,763 INFO L280 TraceCheckUtils]: 86: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-11 00:48:09,764 INFO L280 TraceCheckUtils]: 87: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,764 INFO L275 TraceCheckUtils]: 88: Hoare quadruple {9170#true} {9170#true} #65#return; {9170#true} is VALID [2020-07-11 00:48:09,764 INFO L280 TraceCheckUtils]: 89: Hoare triple {9170#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9170#true} is VALID [2020-07-11 00:48:09,764 INFO L263 TraceCheckUtils]: 90: Hoare triple {9170#true} call #t~ret3 := fibo1(~n - 2); {9170#true} is VALID [2020-07-11 00:48:09,764 INFO L280 TraceCheckUtils]: 91: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,764 INFO L280 TraceCheckUtils]: 92: Hoare triple {9170#true} assume ~n < 1; {9170#true} is VALID [2020-07-11 00:48:09,765 INFO L280 TraceCheckUtils]: 93: Hoare triple {9170#true} #res := 0; {9170#true} is VALID [2020-07-11 00:48:09,765 INFO L280 TraceCheckUtils]: 94: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,765 INFO L275 TraceCheckUtils]: 95: Hoare quadruple {9170#true} {9170#true} #67#return; {9170#true} is VALID [2020-07-11 00:48:09,765 INFO L280 TraceCheckUtils]: 96: Hoare triple {9170#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {9170#true} is VALID [2020-07-11 00:48:09,765 INFO L280 TraceCheckUtils]: 97: Hoare triple {9170#true} #res := #t~ret2 + #t~ret3; {9170#true} is VALID [2020-07-11 00:48:09,765 INFO L280 TraceCheckUtils]: 98: Hoare triple {9170#true} havoc #t~ret3; {9170#true} is VALID [2020-07-11 00:48:09,766 INFO L280 TraceCheckUtils]: 99: Hoare triple {9170#true} havoc #t~ret2; {9170#true} is VALID [2020-07-11 00:48:09,766 INFO L280 TraceCheckUtils]: 100: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,766 INFO L275 TraceCheckUtils]: 101: Hoare quadruple {9170#true} {9170#true} #69#return; {9170#true} is VALID [2020-07-11 00:48:09,766 INFO L280 TraceCheckUtils]: 102: Hoare triple {9170#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {9170#true} is VALID [2020-07-11 00:48:09,766 INFO L263 TraceCheckUtils]: 103: Hoare triple {9170#true} call #t~ret1 := fibo2(~n - 2); {9170#true} is VALID [2020-07-11 00:48:09,766 INFO L280 TraceCheckUtils]: 104: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,767 INFO L280 TraceCheckUtils]: 105: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,767 INFO L280 TraceCheckUtils]: 106: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-11 00:48:09,767 INFO L280 TraceCheckUtils]: 107: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-11 00:48:09,767 INFO L280 TraceCheckUtils]: 108: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,767 INFO L275 TraceCheckUtils]: 109: Hoare quadruple {9170#true} {9170#true} #71#return; {9170#true} is VALID [2020-07-11 00:48:09,767 INFO L280 TraceCheckUtils]: 110: Hoare triple {9170#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {9170#true} is VALID [2020-07-11 00:48:09,768 INFO L280 TraceCheckUtils]: 111: Hoare triple {9170#true} #res := #t~ret0 + #t~ret1; {9170#true} is VALID [2020-07-11 00:48:09,768 INFO L280 TraceCheckUtils]: 112: Hoare triple {9170#true} havoc #t~ret1; {9170#true} is VALID [2020-07-11 00:48:09,768 INFO L280 TraceCheckUtils]: 113: Hoare triple {9170#true} havoc #t~ret0; {9170#true} is VALID [2020-07-11 00:48:09,768 INFO L280 TraceCheckUtils]: 114: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,768 INFO L275 TraceCheckUtils]: 115: Hoare quadruple {9170#true} {9170#true} #65#return; {9170#true} is VALID [2020-07-11 00:48:09,768 INFO L280 TraceCheckUtils]: 116: Hoare triple {9170#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9170#true} is VALID [2020-07-11 00:48:09,769 INFO L263 TraceCheckUtils]: 117: Hoare triple {9170#true} call #t~ret3 := fibo1(~n - 2); {9170#true} is VALID [2020-07-11 00:48:09,769 INFO L280 TraceCheckUtils]: 118: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-11 00:48:09,769 INFO L280 TraceCheckUtils]: 119: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-11 00:48:09,769 INFO L280 TraceCheckUtils]: 120: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-11 00:48:09,769 INFO L280 TraceCheckUtils]: 121: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-11 00:48:09,769 INFO L280 TraceCheckUtils]: 122: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,770 INFO L275 TraceCheckUtils]: 123: Hoare quadruple {9170#true} {9170#true} #67#return; {9170#true} is VALID [2020-07-11 00:48:09,770 INFO L280 TraceCheckUtils]: 124: Hoare triple {9170#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {9170#true} is VALID [2020-07-11 00:48:09,770 INFO L280 TraceCheckUtils]: 125: Hoare triple {9170#true} #res := #t~ret2 + #t~ret3; {9170#true} is VALID [2020-07-11 00:48:09,770 INFO L280 TraceCheckUtils]: 126: Hoare triple {9170#true} havoc #t~ret3; {9170#true} is VALID [2020-07-11 00:48:09,770 INFO L280 TraceCheckUtils]: 127: Hoare triple {9170#true} havoc #t~ret2; {9170#true} is VALID [2020-07-11 00:48:09,770 INFO L280 TraceCheckUtils]: 128: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-11 00:48:09,772 INFO L275 TraceCheckUtils]: 129: Hoare quadruple {9170#true} {9365#(<= 5 |fibo1_#in~n|)} #71#return; {9365#(<= 5 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,772 INFO L280 TraceCheckUtils]: 130: Hoare triple {9365#(<= 5 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {9365#(<= 5 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,773 INFO L280 TraceCheckUtils]: 131: Hoare triple {9365#(<= 5 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {9365#(<= 5 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,773 INFO L280 TraceCheckUtils]: 132: Hoare triple {9365#(<= 5 |fibo1_#in~n|)} havoc #t~ret1; {9365#(<= 5 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,774 INFO L280 TraceCheckUtils]: 133: Hoare triple {9365#(<= 5 |fibo1_#in~n|)} havoc #t~ret0; {9365#(<= 5 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,774 INFO L280 TraceCheckUtils]: 134: Hoare triple {9365#(<= 5 |fibo1_#in~n|)} assume true; {9365#(<= 5 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:09,775 INFO L275 TraceCheckUtils]: 135: Hoare quadruple {9365#(<= 5 |fibo1_#in~n|)} {9174#(<= main_~x~0 4)} #63#return; {9171#false} is VALID [2020-07-11 00:48:09,775 INFO L280 TraceCheckUtils]: 136: Hoare triple {9171#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {9171#false} is VALID [2020-07-11 00:48:09,775 INFO L280 TraceCheckUtils]: 137: Hoare triple {9171#false} ~result~0 := #t~ret4; {9171#false} is VALID [2020-07-11 00:48:09,776 INFO L280 TraceCheckUtils]: 138: Hoare triple {9171#false} havoc #t~ret4; {9171#false} is VALID [2020-07-11 00:48:09,776 INFO L280 TraceCheckUtils]: 139: Hoare triple {9171#false} assume 3 != ~result~0; {9171#false} is VALID [2020-07-11 00:48:09,776 INFO L280 TraceCheckUtils]: 140: Hoare triple {9171#false} assume !false; {9171#false} is VALID [2020-07-11 00:48:09,789 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 47 proven. 109 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2020-07-11 00:48:09,789 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1366301166] [2020-07-11 00:48:09,789 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 00:48:09,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-07-11 00:48:09,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423173929] [2020-07-11 00:48:09,790 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 141 [2020-07-11 00:48:09,797 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:48:09,797 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2020-07-11 00:48:09,898 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 91 edges. 91 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:48:09,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-11 00:48:09,899 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:48:09,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-11 00:48:09,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-11 00:48:09,899 INFO L87 Difference]: Start difference. First operand 94 states and 114 transitions. Second operand 11 states. [2020-07-11 00:48:11,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:11,088 INFO L93 Difference]: Finished difference Result 176 states and 223 transitions. [2020-07-11 00:48:11,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-11 00:48:11,088 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 141 [2020-07-11 00:48:11,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:48:11,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-11 00:48:11,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 127 transitions. [2020-07-11 00:48:11,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-11 00:48:11,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 127 transitions. [2020-07-11 00:48:11,095 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 127 transitions. [2020-07-11 00:48:11,257 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 127 edges. 127 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:48:11,258 INFO L225 Difference]: With dead ends: 176 [2020-07-11 00:48:11,258 INFO L226 Difference]: Without dead ends: 0 [2020-07-11 00:48:11,261 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2020-07-11 00:48:11,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-11 00:48:11,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-11 00:48:11,261 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:48:11,261 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-11 00:48:11,262 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-11 00:48:11,262 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-11 00:48:11,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:11,263 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-11 00:48:11,264 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-11 00:48:11,264 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:48:11,264 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:48:11,264 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-11 00:48:11,264 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-11 00:48:11,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:11,264 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-11 00:48:11,265 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-11 00:48:11,265 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:48:11,265 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:48:11,265 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:48:11,265 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:48:11,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-11 00:48:11,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-11 00:48:11,267 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 141 [2020-07-11 00:48:11,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:48:11,267 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-11 00:48:11,267 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-11 00:48:11,267 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 0 states and 0 transitions. [2020-07-11 00:48:11,267 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:48:11,267 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-11 00:48:11,268 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:48:11,268 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-11 00:48:11,271 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-11 00:48:14,709 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 15 [2020-07-11 00:48:15,024 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 28 [2020-07-11 00:48:15,265 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 15 [2020-07-11 00:48:15,812 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 32 [2020-07-11 00:48:16,061 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 23 [2020-07-11 00:48:16,430 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 28 [2020-07-11 00:48:16,648 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 24 [2020-07-11 00:48:16,968 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 24 [2020-07-11 00:48:17,206 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 30 [2020-07-11 00:48:17,454 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 27 [2020-07-11 00:48:17,691 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 27 [2020-07-11 00:48:18,280 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 32 [2020-07-11 00:48:18,483 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 25 [2020-07-11 00:48:18,684 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 25 [2020-07-11 00:48:19,112 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 29 [2020-07-11 00:48:19,471 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 26 [2020-07-11 00:48:19,521 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-11 00:48:19,521 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-11 00:48:19,521 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-11 00:48:19,521 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-11 00:48:19,521 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-11 00:48:19,521 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-11 00:48:19,522 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 39) the Hoare annotation is: false [2020-07-11 00:48:19,522 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 35 42) the Hoare annotation is: true [2020-07-11 00:48:19,522 INFO L264 CegarLoopResult]: At program point mainEXIT(lines 35 42) the Hoare annotation is: (<= 4 main_~x~0) [2020-07-11 00:48:19,523 INFO L264 CegarLoopResult]: At program point mainFINAL(lines 35 42) the Hoare annotation is: (<= 4 main_~x~0) [2020-07-11 00:48:19,523 INFO L264 CegarLoopResult]: At program point L39(line 39) the Hoare annotation is: false [2020-07-11 00:48:19,523 INFO L264 CegarLoopResult]: At program point L38(lines 38 40) the Hoare annotation is: (and (<= 4 main_~x~0) (<= main_~x~0 4) (<= main_~result~0 3) (<= 3 main_~result~0)) [2020-07-11 00:48:19,523 INFO L264 CegarLoopResult]: At program point L37(line 37) the Hoare annotation is: (and (<= 4 main_~x~0) (<= main_~x~0 4)) [2020-07-11 00:48:19,524 INFO L264 CegarLoopResult]: At program point L37-1(line 37) the Hoare annotation is: (and (<= 4 main_~x~0) (<= main_~x~0 4) (<= 3 |main_#t~ret4|) (<= |main_#t~ret4| 3)) [2020-07-11 00:48:19,524 INFO L264 CegarLoopResult]: At program point L38-2(lines 38 40) the Hoare annotation is: (<= 4 main_~x~0) [2020-07-11 00:48:19,524 INFO L264 CegarLoopResult]: At program point L37-2(line 37) the Hoare annotation is: (and (<= 4 main_~x~0) (<= main_~x~0 4) (<= 3 |main_#t~ret4|) (<= |main_#t~ret4| 3)) [2020-07-11 00:48:19,526 INFO L264 CegarLoopResult]: At program point L37-3(line 37) the Hoare annotation is: (and (<= 4 main_~x~0) (<= main_~x~0 4) (<= 3 |main_#t~ret4|) (<= main_~result~0 3) (<= |main_#t~ret4| 3) (<= 3 main_~result~0)) [2020-07-11 00:48:19,526 INFO L271 CegarLoopResult]: At program point fibo2ENTRY(lines 17 25) the Hoare annotation is: true [2020-07-11 00:48:19,527 INFO L264 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: (and (< 1 fibo2_~n) (= fibo2_~n |fibo2_#in~n|)) [2020-07-11 00:48:19,527 INFO L264 CegarLoopResult]: At program point L23-1(line 23) the Hoare annotation is: (let ((.cse0 (= fibo2_~n |fibo2_#in~n|))) (or (and .cse0 (<= 4 fibo2_~n)) (and (<= |fibo2_#in~n| 2) (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|) (< 1 fibo2_~n) .cse0))) [2020-07-11 00:48:19,527 INFO L264 CegarLoopResult]: At program point L21(line 21) the Hoare annotation is: (and (< 0 fibo2_~n) (<= |fibo2_#in~n| 1) (= fibo2_~n |fibo2_#in~n|)) [2020-07-11 00:48:19,527 INFO L264 CegarLoopResult]: At program point L23-2(line 23) the Hoare annotation is: (let ((.cse0 (= fibo2_~n |fibo2_#in~n|))) (or (and .cse0 (<= 4 fibo2_~n)) (and (<= |fibo2_#in~n| 2) (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|) (< 1 fibo2_~n) .cse0))) [2020-07-11 00:48:19,527 INFO L264 CegarLoopResult]: At program point L20(lines 20 24) the Hoare annotation is: (and (<= 1 |fibo2_#in~n|) (= fibo2_~n |fibo2_#in~n|)) [2020-07-11 00:48:19,528 INFO L264 CegarLoopResult]: At program point L23-3(line 23) the Hoare annotation is: (and (= fibo2_~n |fibo2_#in~n|) (let ((.cse1 (<= |fibo2_#t~ret2| 1)) (.cse0 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (.cse2 (<= 1 |fibo2_#t~ret2|))) (or (and (<= 1 .cse0) (<= |fibo2_#in~n| 2) .cse1 .cse2 (<= .cse0 1) (< 1 fibo2_~n)) (and (<= 2 .cse0) .cse1 (<= .cse0 2) .cse2 (<= 3 fibo2_~n)) (not (<= |fibo2_#in~n| 3))))) [2020-07-11 00:48:19,528 INFO L264 CegarLoopResult]: At program point L19(line 19) the Hoare annotation is: (and (<= |fibo2_#in~n| 0) (= fibo2_~n |fibo2_#in~n|)) [2020-07-11 00:48:19,528 INFO L264 CegarLoopResult]: At program point L23-4(line 23) the Hoare annotation is: (and (= fibo2_~n |fibo2_#in~n|) (let ((.cse1 (<= |fibo2_#t~ret2| 1)) (.cse0 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (.cse2 (<= 1 |fibo2_#t~ret2|))) (or (and (<= 1 .cse0) (<= |fibo2_#in~n| 2) .cse1 .cse2 (<= .cse0 1) (< 1 fibo2_~n)) (and (<= 2 .cse0) .cse1 (<= .cse0 2) .cse2 (<= 3 fibo2_~n)) (not (<= |fibo2_#in~n| 3))))) [2020-07-11 00:48:19,528 INFO L264 CegarLoopResult]: At program point L18(lines 18 24) the Hoare annotation is: (= fibo2_~n |fibo2_#in~n|) [2020-07-11 00:48:19,529 INFO L264 CegarLoopResult]: At program point L23-5(line 23) the Hoare annotation is: (let ((.cse1 (<= |fibo2_#t~ret2| 1)) (.cse2 (<= 1 |fibo2_#t~ret2|)) (.cse0 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (.cse3 (= fibo2_~n |fibo2_#in~n|))) (or (and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|) (<= 2 .cse0) .cse1 (<= .cse0 2) .cse2 (<= 3 fibo2_~n) .cse3) (and .cse3 (<= 4 fibo2_~n)) (and (<= 1 .cse0) (<= |fibo2_#in~n| 2) .cse1 (<= 1 |fibo2_#res|) .cse2 (<= .cse0 1) (<= |fibo2_#res| 1) (< 1 fibo2_~n) .cse3))) [2020-07-11 00:48:19,529 INFO L264 CegarLoopResult]: At program point L23-6(line 23) the Hoare annotation is: (let ((.cse1 (<= |fibo2_#t~ret2| 1)) (.cse2 (<= 1 |fibo2_#t~ret2|)) (.cse0 (= fibo2_~n |fibo2_#in~n|))) (or (and .cse0 (<= 4 fibo2_~n)) (and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|) .cse1 .cse2 .cse0 (<= 3 fibo2_~n)) (and (<= |fibo2_#in~n| 2) .cse1 (<= 1 |fibo2_#res|) .cse2 (<= |fibo2_#res| 1) (< 1 fibo2_~n) .cse0))) [2020-07-11 00:48:19,529 INFO L264 CegarLoopResult]: At program point fibo2FINAL(lines 17 25) the Hoare annotation is: (let ((.cse0 (= fibo2_~n |fibo2_#in~n|))) (and (or (and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|) .cse0) (<= 1 |fibo2_#in~n|)) (or (and (<= |fibo2_#in~n| 2) (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1) .cse0) (and .cse0 (<= 4 fibo2_~n)) (and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|) (<= 3 fibo2_~n) .cse0) (<= |fibo2_#in~n| 0)))) [2020-07-11 00:48:19,530 INFO L264 CegarLoopResult]: At program point fibo2EXIT(lines 17 25) the Hoare annotation is: (let ((.cse0 (= fibo2_~n |fibo2_#in~n|))) (and (or (and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|) .cse0) (<= 1 |fibo2_#in~n|)) (or (and (<= |fibo2_#in~n| 2) (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1) .cse0) (and .cse0 (<= 4 fibo2_~n)) (and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|) (<= 3 fibo2_~n) .cse0) (<= |fibo2_#in~n| 0)))) [2020-07-11 00:48:19,530 INFO L271 CegarLoopResult]: At program point fibo1ENTRY(lines 7 15) the Hoare annotation is: true [2020-07-11 00:48:19,530 INFO L264 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: (and (not (<= |fibo1_#in~n| 2)) (= fibo1_~n |fibo1_#in~n|)) [2020-07-11 00:48:19,530 INFO L264 CegarLoopResult]: At program point L13-1(line 13) the Hoare annotation is: (and (not (<= |fibo1_#in~n| 2)) (let ((.cse0 (= fibo1_~n |fibo1_#in~n|))) (or (and (<= 5 |fibo1_#in~n|) .cse0) (and (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|) .cse0) (and .cse0 (<= |fibo1_#in~n| 3)))) (or (<= 4 fibo1_~n) (and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1)))) [2020-07-11 00:48:19,530 INFO L264 CegarLoopResult]: At program point L11(line 11) the Hoare annotation is: (and (<= |fibo1_#in~n| 1) (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|)) [2020-07-11 00:48:19,531 INFO L264 CegarLoopResult]: At program point L13-2(line 13) the Hoare annotation is: (and (not (<= |fibo1_#in~n| 2)) (let ((.cse0 (= fibo1_~n |fibo1_#in~n|))) (or (and (<= 5 |fibo1_#in~n|) .cse0) (and (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|) .cse0) (and .cse0 (<= |fibo1_#in~n| 3)))) (or (<= 4 fibo1_~n) (and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1)))) [2020-07-11 00:48:19,531 INFO L264 CegarLoopResult]: At program point fibo1FINAL(lines 7 15) the Hoare annotation is: (let ((.cse0 (not (<= |fibo1_#in~n| 2))) (.cse1 (and (<= |fibo1_#in~n| 1) (< 0 fibo1_~n) (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1)))) (and (or (and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|)) .cse0 .cse1) (let ((.cse2 (= fibo1_~n |fibo1_#in~n|))) (or (and (or (and (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3)) (<= |fibo1_#in~n| 3)) .cse2) (and (<= 5 |fibo1_#in~n|) .cse2))) (or .cse0 .cse1 (<= |fibo1_#in~n| 0)))) [2020-07-11 00:48:19,531 INFO L264 CegarLoopResult]: At program point L10(lines 10 14) the Hoare annotation is: (and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|)) [2020-07-11 00:48:19,531 INFO L264 CegarLoopResult]: At program point L13-3(line 13) the Hoare annotation is: (and (not (<= |fibo1_#in~n| 2)) (let ((.cse1 (= fibo1_~n |fibo1_#in~n|))) (or (and (or (and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1) (<= |fibo1_#in~n| 3)) (let ((.cse0 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|))) (and (<= .cse0 3) (<= 3 .cse0) (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|)))) .cse1) (and (<= 5 |fibo1_#in~n|) .cse1)))) [2020-07-11 00:48:19,531 INFO L264 CegarLoopResult]: At program point L9(line 9) the Hoare annotation is: (and (= fibo1_~n |fibo1_#in~n|) (<= |fibo1_#in~n| 0)) [2020-07-11 00:48:19,532 INFO L264 CegarLoopResult]: At program point L13-4(line 13) the Hoare annotation is: (and (not (<= |fibo1_#in~n| 2)) (let ((.cse1 (= fibo1_~n |fibo1_#in~n|))) (or (and (or (and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1) (<= |fibo1_#in~n| 3)) (let ((.cse0 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|))) (and (<= .cse0 3) (<= 3 .cse0) (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|)))) .cse1) (and (<= 5 |fibo1_#in~n|) .cse1)))) [2020-07-11 00:48:19,532 INFO L264 CegarLoopResult]: At program point L8(lines 8 14) the Hoare annotation is: (= fibo1_~n |fibo1_#in~n|) [2020-07-11 00:48:19,532 INFO L264 CegarLoopResult]: At program point L13-5(line 13) the Hoare annotation is: (and (not (<= |fibo1_#in~n| 2)) (let ((.cse1 (= fibo1_~n |fibo1_#in~n|))) (or (let ((.cse0 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|))) (and (<= .cse0 3) (<= 3 .cse0) (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|) (<= 3 |fibo1_#res|) .cse1 (<= |fibo1_#res| 3))) (and (<= 5 |fibo1_#in~n|) .cse1) (and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1) .cse1 (<= |fibo1_#in~n| 3))))) [2020-07-11 00:48:19,532 INFO L264 CegarLoopResult]: At program point L13-6(line 13) the Hoare annotation is: (and (not (<= |fibo1_#in~n| 2)) (let ((.cse0 (= fibo1_~n |fibo1_#in~n|))) (or (and (<= 5 |fibo1_#in~n|) .cse0) (and .cse0 (or (and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1) (<= |fibo1_#in~n| 3)) (and (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|) (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3))))))) [2020-07-11 00:48:19,532 INFO L264 CegarLoopResult]: At program point fibo1EXIT(lines 7 15) the Hoare annotation is: (let ((.cse0 (not (<= |fibo1_#in~n| 2))) (.cse1 (and (<= |fibo1_#in~n| 1) (< 0 fibo1_~n) (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1)))) (and (or (and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|)) .cse0 .cse1) (let ((.cse2 (= fibo1_~n |fibo1_#in~n|))) (or (and (or (and (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3)) (<= |fibo1_#in~n| 3)) .cse2) (and (<= 5 |fibo1_#in~n|) .cse2))) (or .cse0 .cse1 (<= |fibo1_#in~n| 0)))) [2020-07-11 00:48:19,548 WARN L151 areAnnotationChecker]: Transition assume !(1 == ~n); from 10018#L10true to 10044#L13true not inductive [2020-07-11 00:48:19,595 INFO L163 areAnnotationChecker]: CFG has 52 edges. 51 inductive. 1 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-11 00:48:19,596 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: incorrect Hoare annotation at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:217) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-11 00:48:19,602 INFO L168 Benchmark]: Toolchain (without parser) took 32013.34 ms. Allocated memory was 138.4 MB in the beginning and 475.5 MB in the end (delta: 337.1 MB). Free memory was 103.2 MB in the beginning and 442.5 MB in the end (delta: -339.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-11 00:48:19,602 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 138.4 MB. Free memory is still 121.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-11 00:48:19,602 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.14 ms. Allocated memory is still 138.4 MB. Free memory was 102.8 MB in the beginning and 93.0 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-07-11 00:48:19,603 INFO L168 Benchmark]: Boogie Preprocessor took 117.14 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 93.0 MB in the beginning and 181.4 MB in the end (delta: -88.4 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. [2020-07-11 00:48:19,605 INFO L168 Benchmark]: RCFGBuilder took 421.42 ms. Allocated memory is still 202.9 MB. Free memory was 181.4 MB in the beginning and 160.6 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2020-07-11 00:48:19,607 INFO L168 Benchmark]: TraceAbstraction took 31206.76 ms. Allocated memory was 202.9 MB in the beginning and 475.5 MB in the end (delta: 272.6 MB). Free memory was 160.6 MB in the beginning and 442.5 MB in the end (delta: -281.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-11 00:48:19,612 INFO L336 ainManager$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 0.28 ms. Allocated memory is still 138.4 MB. Free memory is still 121.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 261.14 ms. Allocated memory is still 138.4 MB. Free memory was 102.8 MB in the beginning and 93.0 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.14 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 93.0 MB in the beginning and 181.4 MB in the end (delta: -88.4 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 421.42 ms. Allocated memory is still 202.9 MB. Free memory was 181.4 MB in the beginning and 160.6 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 31206.76 ms. Allocated memory was 202.9 MB in the beginning and 475.5 MB in the end (delta: 272.6 MB). Free memory was 160.6 MB in the beginning and 442.5 MB in the end (delta: -281.9 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 39]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ExceptionOrErrorResult: AssertionError: incorrect Hoare annotation de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: incorrect Hoare annotation: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:242) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...