/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_5-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-11 00:48:37,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-11 00:48:37,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-11 00:48:37,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-11 00:48:37,685 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-11 00:48:37,688 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-11 00:48:37,690 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-11 00:48:37,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-11 00:48:37,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-11 00:48:37,703 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-11 00:48:37,704 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-11 00:48:37,705 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-11 00:48:37,705 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-11 00:48:37,706 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-11 00:48:37,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-11 00:48:37,708 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-11 00:48:37,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-11 00:48:37,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-11 00:48:37,712 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-11 00:48:37,714 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-11 00:48:37,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-11 00:48:37,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-11 00:48:37,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-11 00:48:37,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-11 00:48:37,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-11 00:48:37,721 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-11 00:48:37,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-11 00:48:37,723 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-11 00:48:37,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-11 00:48:37,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-11 00:48:37,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-11 00:48:37,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-11 00:48:37,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-11 00:48:37,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-11 00:48:37,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-11 00:48:37,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-11 00:48:37,728 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-11 00:48:37,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-11 00:48:37,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-11 00:48:37,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-11 00:48:37,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-11 00:48:37,731 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 00:48:37,740 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-11 00:48:37,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-11 00:48:37,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-11 00:48:37,742 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-11 00:48:37,742 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-11 00:48:37,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-11 00:48:37,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-11 00:48:37,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-11 00:48:37,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-11 00:48:37,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-11 00:48:37,744 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-11 00:48:37,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-11 00:48:37,744 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-11 00:48:37,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-11 00:48:37,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-11 00:48:37,745 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-11 00:48:37,745 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-11 00:48:37,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-11 00:48:37,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-11 00:48:37,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-11 00:48:37,746 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-11 00:48:37,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-11 00:48:37,746 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 00:48:38,044 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-11 00:48:38,057 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-11 00:48:38,061 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-11 00:48:38,063 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-11 00:48:38,063 INFO L275 PluginConnector]: CDTParser initialized [2020-07-11 00:48:38,064 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_5-2.c [2020-07-11 00:48:38,131 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06e0664d5/c0b163032cf84dceabfb597383a3dc85/FLAGebac81628 [2020-07-11 00:48:38,578 INFO L306 CDTParser]: Found 1 translation units. [2020-07-11 00:48:38,578 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/fibo_2calls_5-2.c [2020-07-11 00:48:38,584 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06e0664d5/c0b163032cf84dceabfb597383a3dc85/FLAGebac81628 [2020-07-11 00:48:38,956 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06e0664d5/c0b163032cf84dceabfb597383a3dc85 [2020-07-11 00:48:38,967 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-11 00:48:38,970 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-11 00:48:38,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-11 00:48:38,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-11 00:48:38,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-11 00:48:38,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 12:48:38" (1/1) ... [2020-07-11 00:48:38,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@791d2189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:48:38, skipping insertion in model container [2020-07-11 00:48:38,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 12:48:38" (1/1) ... [2020-07-11 00:48:38,988 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-11 00:48:39,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-11 00:48:39,193 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 00:48:39,198 INFO L203 MainTranslator]: Completed pre-run [2020-07-11 00:48:39,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 00:48:39,236 INFO L208 MainTranslator]: Completed translation [2020-07-11 00:48:39,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:48:39 WrapperNode [2020-07-11 00:48:39,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-11 00:48:39,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-11 00:48:39,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-11 00:48:39,238 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-11 00:48:39,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:48:39" (1/1) ... [2020-07-11 00:48:39,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:48:39" (1/1) ... [2020-07-11 00:48:39,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:48:39" (1/1) ... [2020-07-11 00:48:39,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:48:39" (1/1) ... [2020-07-11 00:48:39,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:48:39" (1/1) ... [2020-07-11 00:48:39,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:48:39" (1/1) ... [2020-07-11 00:48:39,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:48:39" (1/1) ... [2020-07-11 00:48:39,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-11 00:48:39,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-11 00:48:39,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-11 00:48:39,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-11 00:48:39,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:48:39" (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 00:48:39,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-11 00:48:39,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-11 00:48:39,449 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-07-11 00:48:39,449 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-07-11 00:48:39,449 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-11 00:48:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-11 00:48:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-11 00:48:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-07-11 00:48:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-07-11 00:48:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-11 00:48:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-11 00:48:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-11 00:48:39,827 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-11 00:48:39,827 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-11 00:48:39,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 12:48:39 BoogieIcfgContainer [2020-07-11 00:48:39,831 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-11 00:48:39,832 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-11 00:48:39,833 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-11 00:48:39,836 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-11 00:48:39,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.07 12:48:38" (1/3) ... [2020-07-11 00:48:39,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65a943a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 12:48:39, skipping insertion in model container [2020-07-11 00:48:39,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:48:39" (2/3) ... [2020-07-11 00:48:39,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65a943a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 12:48:39, skipping insertion in model container [2020-07-11 00:48:39,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 12:48:39" (3/3) ... [2020-07-11 00:48:39,840 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_5-2.c [2020-07-11 00:48:39,850 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-11 00:48:39,858 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-11 00:48:39,872 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-11 00:48:39,893 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-11 00:48:39,893 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-11 00:48:39,893 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-11 00:48:39,893 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-11 00:48:39,894 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-11 00:48:39,894 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-11 00:48:39,894 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-11 00:48:39,894 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-11 00:48:39,910 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2020-07-11 00:48:39,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-11 00:48:39,925 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:48:39,926 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 00:48:39,926 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:48:39,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:48:39,933 INFO L82 PathProgramCache]: Analyzing trace with hash -1089710179, now seen corresponding path program 1 times [2020-07-11 00:48:39,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:48:39,942 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1501413231] [2020-07-11 00:48:39,943 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:48:40,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:40,154 INFO L280 TraceCheckUtils]: 0: Hoare triple {48#true} assume true; {48#true} is VALID [2020-07-11 00:48:40,154 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {48#true} {48#true} #59#return; {48#true} is VALID [2020-07-11 00:48:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:40,241 INFO L280 TraceCheckUtils]: 0: Hoare triple {48#true} ~n := #in~n; {58#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:40,242 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 00:48:40,244 INFO L280 TraceCheckUtils]: 2: Hoare triple {59#(<= |fibo1_#in~n| 0)} #res := 0; {59#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:48:40,245 INFO L280 TraceCheckUtils]: 3: Hoare triple {59#(<= |fibo1_#in~n| 0)} assume true; {59#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:48:40,248 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {59#(<= |fibo1_#in~n| 0)} {52#(<= 5 main_~x~0)} #63#return; {49#false} is VALID [2020-07-11 00:48:40,249 INFO L263 TraceCheckUtils]: 0: Hoare triple {48#true} call ULTIMATE.init(); {48#true} is VALID [2020-07-11 00:48:40,249 INFO L280 TraceCheckUtils]: 1: Hoare triple {48#true} assume true; {48#true} is VALID [2020-07-11 00:48:40,250 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {48#true} {48#true} #59#return; {48#true} is VALID [2020-07-11 00:48:40,250 INFO L263 TraceCheckUtils]: 3: Hoare triple {48#true} call #t~ret5 := main(); {48#true} is VALID [2020-07-11 00:48:40,251 INFO L280 TraceCheckUtils]: 4: Hoare triple {48#true} ~x~0 := 5; {52#(<= 5 main_~x~0)} is VALID [2020-07-11 00:48:40,252 INFO L263 TraceCheckUtils]: 5: Hoare triple {52#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {48#true} is VALID [2020-07-11 00:48:40,253 INFO L280 TraceCheckUtils]: 6: Hoare triple {48#true} ~n := #in~n; {58#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:40,255 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 00:48:40,257 INFO L280 TraceCheckUtils]: 8: Hoare triple {59#(<= |fibo1_#in~n| 0)} #res := 0; {59#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:48:40,258 INFO L280 TraceCheckUtils]: 9: Hoare triple {59#(<= |fibo1_#in~n| 0)} assume true; {59#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:48:40,261 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {59#(<= |fibo1_#in~n| 0)} {52#(<= 5 main_~x~0)} #63#return; {49#false} is VALID [2020-07-11 00:48:40,262 INFO L280 TraceCheckUtils]: 11: Hoare triple {49#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {49#false} is VALID [2020-07-11 00:48:40,262 INFO L280 TraceCheckUtils]: 12: Hoare triple {49#false} ~result~0 := #t~ret4; {49#false} is VALID [2020-07-11 00:48:40,263 INFO L280 TraceCheckUtils]: 13: Hoare triple {49#false} havoc #t~ret4; {49#false} is VALID [2020-07-11 00:48:40,263 INFO L280 TraceCheckUtils]: 14: Hoare triple {49#false} assume 5 == ~result~0; {49#false} is VALID [2020-07-11 00:48:40,264 INFO L280 TraceCheckUtils]: 15: Hoare triple {49#false} assume !false; {49#false} is VALID [2020-07-11 00:48:40,266 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 00:48:40,267 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1501413231] [2020-07-11 00:48:40,269 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 00:48:40,270 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-11 00:48:40,271 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598925436] [2020-07-11 00:48:40,278 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-07-11 00:48:40,281 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:48:40,285 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-11 00:48:40,321 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 00:48:40,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-11 00:48:40,322 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:48:40,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-11 00:48:40,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-11 00:48:40,335 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 5 states. [2020-07-11 00:48:40,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:40,760 INFO L93 Difference]: Finished difference Result 58 states and 67 transitions. [2020-07-11 00:48:40,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-11 00:48:40,760 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-07-11 00:48:40,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:48:40,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-11 00:48:40,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 67 transitions. [2020-07-11 00:48:40,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-11 00:48:40,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 67 transitions. [2020-07-11 00:48:40,779 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 67 transitions. [2020-07-11 00:48:40,902 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 00:48:40,917 INFO L225 Difference]: With dead ends: 58 [2020-07-11 00:48:40,917 INFO L226 Difference]: Without dead ends: 42 [2020-07-11 00:48:40,921 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 00:48:40,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-07-11 00:48:41,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-07-11 00:48:41,016 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:48:41,016 INFO L82 GeneralOperation]: Start isEquivalent. First operand 42 states. Second operand 42 states. [2020-07-11 00:48:41,017 INFO L74 IsIncluded]: Start isIncluded. First operand 42 states. Second operand 42 states. [2020-07-11 00:48:41,017 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 42 states. [2020-07-11 00:48:41,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:41,034 INFO L93 Difference]: Finished difference Result 42 states and 49 transitions. [2020-07-11 00:48:41,034 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2020-07-11 00:48:41,036 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:48:41,036 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:48:41,037 INFO L74 IsIncluded]: Start isIncluded. First operand 42 states. Second operand 42 states. [2020-07-11 00:48:41,037 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 42 states. [2020-07-11 00:48:41,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:41,063 INFO L93 Difference]: Finished difference Result 42 states and 49 transitions. [2020-07-11 00:48:41,063 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2020-07-11 00:48:41,066 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:48:41,066 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:48:41,067 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:48:41,067 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:48:41,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-07-11 00:48:41,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2020-07-11 00:48:41,080 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 16 [2020-07-11 00:48:41,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:48:41,081 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2020-07-11 00:48:41,081 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-11 00:48:41,082 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 42 states and 49 transitions. [2020-07-11 00:48:41,149 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 00:48:41,150 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2020-07-11 00:48:41,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-11 00:48:41,151 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:48:41,152 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 00:48:41,152 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-11 00:48:41,153 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:48:41,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:48:41,153 INFO L82 PathProgramCache]: Analyzing trace with hash -653728005, now seen corresponding path program 1 times [2020-07-11 00:48:41,154 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:48:41,154 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1985346091] [2020-07-11 00:48:41,155 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:48:41,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:41,226 INFO L280 TraceCheckUtils]: 0: Hoare triple {348#true} assume true; {348#true} is VALID [2020-07-11 00:48:41,226 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {348#true} {348#true} #59#return; {348#true} is VALID [2020-07-11 00:48:41,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:41,273 INFO L280 TraceCheckUtils]: 0: Hoare triple {348#true} ~n := #in~n; {359#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:41,275 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 00:48:41,275 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 00:48:41,276 INFO L280 TraceCheckUtils]: 3: Hoare triple {360#(<= |fibo1_#in~n| 1)} #res := 1; {360#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:48:41,277 INFO L280 TraceCheckUtils]: 4: Hoare triple {360#(<= |fibo1_#in~n| 1)} assume true; {360#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:48:41,279 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {360#(<= |fibo1_#in~n| 1)} {352#(<= 5 main_~x~0)} #63#return; {349#false} is VALID [2020-07-11 00:48:41,280 INFO L263 TraceCheckUtils]: 0: Hoare triple {348#true} call ULTIMATE.init(); {348#true} is VALID [2020-07-11 00:48:41,280 INFO L280 TraceCheckUtils]: 1: Hoare triple {348#true} assume true; {348#true} is VALID [2020-07-11 00:48:41,280 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {348#true} {348#true} #59#return; {348#true} is VALID [2020-07-11 00:48:41,281 INFO L263 TraceCheckUtils]: 3: Hoare triple {348#true} call #t~ret5 := main(); {348#true} is VALID [2020-07-11 00:48:41,283 INFO L280 TraceCheckUtils]: 4: Hoare triple {348#true} ~x~0 := 5; {352#(<= 5 main_~x~0)} is VALID [2020-07-11 00:48:41,283 INFO L263 TraceCheckUtils]: 5: Hoare triple {352#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {348#true} is VALID [2020-07-11 00:48:41,284 INFO L280 TraceCheckUtils]: 6: Hoare triple {348#true} ~n := #in~n; {359#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:41,285 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 00:48:41,286 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 00:48:41,286 INFO L280 TraceCheckUtils]: 9: Hoare triple {360#(<= |fibo1_#in~n| 1)} #res := 1; {360#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:48:41,287 INFO L280 TraceCheckUtils]: 10: Hoare triple {360#(<= |fibo1_#in~n| 1)} assume true; {360#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:48:41,289 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {360#(<= |fibo1_#in~n| 1)} {352#(<= 5 main_~x~0)} #63#return; {349#false} is VALID [2020-07-11 00:48:41,289 INFO L280 TraceCheckUtils]: 12: Hoare triple {349#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {349#false} is VALID [2020-07-11 00:48:41,290 INFO L280 TraceCheckUtils]: 13: Hoare triple {349#false} ~result~0 := #t~ret4; {349#false} is VALID [2020-07-11 00:48:41,290 INFO L280 TraceCheckUtils]: 14: Hoare triple {349#false} havoc #t~ret4; {349#false} is VALID [2020-07-11 00:48:41,290 INFO L280 TraceCheckUtils]: 15: Hoare triple {349#false} assume 5 == ~result~0; {349#false} is VALID [2020-07-11 00:48:41,291 INFO L280 TraceCheckUtils]: 16: Hoare triple {349#false} assume !false; {349#false} is VALID [2020-07-11 00:48:41,296 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 00:48:41,297 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1985346091] [2020-07-11 00:48:41,297 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 00:48:41,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-11 00:48:41,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240963996] [2020-07-11 00:48:41,301 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-07-11 00:48:41,302 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:48:41,302 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-11 00:48:41,325 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 00:48:41,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-11 00:48:41,326 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:48:41,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-11 00:48:41,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-11 00:48:41,327 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand 5 states. [2020-07-11 00:48:41,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:41,587 INFO L93 Difference]: Finished difference Result 50 states and 58 transitions. [2020-07-11 00:48:41,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-11 00:48:41,588 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-07-11 00:48:41,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:48:41,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-11 00:48:41,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 55 transitions. [2020-07-11 00:48:41,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-11 00:48:41,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 55 transitions. [2020-07-11 00:48:41,600 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 55 transitions. [2020-07-11 00:48:41,674 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 00:48:41,677 INFO L225 Difference]: With dead ends: 50 [2020-07-11 00:48:41,677 INFO L226 Difference]: Without dead ends: 44 [2020-07-11 00:48:41,679 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 00:48:41,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-07-11 00:48:41,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 42. [2020-07-11 00:48:41,721 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:48:41,721 INFO L82 GeneralOperation]: Start isEquivalent. First operand 44 states. Second operand 42 states. [2020-07-11 00:48:41,722 INFO L74 IsIncluded]: Start isIncluded. First operand 44 states. Second operand 42 states. [2020-07-11 00:48:41,722 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 42 states. [2020-07-11 00:48:41,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:41,727 INFO L93 Difference]: Finished difference Result 44 states and 52 transitions. [2020-07-11 00:48:41,728 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2020-07-11 00:48:41,729 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:48:41,729 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:48:41,730 INFO L74 IsIncluded]: Start isIncluded. First operand 42 states. Second operand 44 states. [2020-07-11 00:48:41,730 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 44 states. [2020-07-11 00:48:41,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:41,735 INFO L93 Difference]: Finished difference Result 44 states and 52 transitions. [2020-07-11 00:48:41,735 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2020-07-11 00:48:41,736 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:48:41,737 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:48:41,737 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:48:41,737 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:48:41,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-07-11 00:48:41,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2020-07-11 00:48:41,741 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 17 [2020-07-11 00:48:41,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:48:41,742 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2020-07-11 00:48:41,742 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-11 00:48:41,742 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 42 states and 49 transitions. [2020-07-11 00:48:41,805 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 00:48:41,805 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2020-07-11 00:48:41,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-11 00:48:41,807 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:48:41,808 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 00:48:41,808 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-11 00:48:41,808 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:48:41,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:48:41,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1617834856, now seen corresponding path program 1 times [2020-07-11 00:48:41,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:48:41,810 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [810356683] [2020-07-11 00:48:41,810 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:48:41,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:41,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:41,857 INFO L280 TraceCheckUtils]: 0: Hoare triple {637#true} assume true; {637#true} is VALID [2020-07-11 00:48:41,858 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {637#true} {637#true} #59#return; {637#true} is VALID [2020-07-11 00:48:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:41,964 INFO L280 TraceCheckUtils]: 0: Hoare triple {637#true} ~n := #in~n; {676#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:41,965 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 00:48:41,965 INFO L280 TraceCheckUtils]: 2: Hoare triple {677#(<= |fibo2_#in~n| 0)} #res := 0; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:48:41,966 INFO L280 TraceCheckUtils]: 3: Hoare triple {677#(<= |fibo2_#in~n| 0)} assume true; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:48:41,968 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {677#(<= |fibo2_#in~n| 0)} {665#(< 1 fibo1_~n)} #69#return; {638#false} is VALID [2020-07-11 00:48:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:41,975 INFO L280 TraceCheckUtils]: 0: Hoare triple {637#true} ~n := #in~n; {637#true} is VALID [2020-07-11 00:48:41,976 INFO L280 TraceCheckUtils]: 1: Hoare triple {637#true} assume ~n < 1; {637#true} is VALID [2020-07-11 00:48:41,976 INFO L280 TraceCheckUtils]: 2: Hoare triple {637#true} #res := 0; {637#true} is VALID [2020-07-11 00:48:41,976 INFO L280 TraceCheckUtils]: 3: Hoare triple {637#true} assume true; {637#true} is VALID [2020-07-11 00:48:41,977 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {637#true} {638#false} #71#return; {638#false} is VALID [2020-07-11 00:48:41,977 INFO L280 TraceCheckUtils]: 0: Hoare triple {637#true} ~n := #in~n; {637#true} is VALID [2020-07-11 00:48:41,978 INFO L280 TraceCheckUtils]: 1: Hoare triple {637#true} assume !(~n < 1); {664#(< 0 fibo1_~n)} is VALID [2020-07-11 00:48:41,979 INFO L280 TraceCheckUtils]: 2: Hoare triple {664#(< 0 fibo1_~n)} assume !(1 == ~n); {665#(< 1 fibo1_~n)} is VALID [2020-07-11 00:48:41,979 INFO L263 TraceCheckUtils]: 3: Hoare triple {665#(< 1 fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {637#true} is VALID [2020-07-11 00:48:41,980 INFO L280 TraceCheckUtils]: 4: Hoare triple {637#true} ~n := #in~n; {676#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:41,981 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 00:48:41,982 INFO L280 TraceCheckUtils]: 6: Hoare triple {677#(<= |fibo2_#in~n| 0)} #res := 0; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:48:41,982 INFO L280 TraceCheckUtils]: 7: Hoare triple {677#(<= |fibo2_#in~n| 0)} assume true; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:48:41,984 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {677#(<= |fibo2_#in~n| 0)} {665#(< 1 fibo1_~n)} #69#return; {638#false} is VALID [2020-07-11 00:48:41,984 INFO L280 TraceCheckUtils]: 9: Hoare triple {638#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {638#false} is VALID [2020-07-11 00:48:41,985 INFO L263 TraceCheckUtils]: 10: Hoare triple {638#false} call #t~ret1 := fibo2(~n - 2); {637#true} is VALID [2020-07-11 00:48:41,985 INFO L280 TraceCheckUtils]: 11: Hoare triple {637#true} ~n := #in~n; {637#true} is VALID [2020-07-11 00:48:41,985 INFO L280 TraceCheckUtils]: 12: Hoare triple {637#true} assume ~n < 1; {637#true} is VALID [2020-07-11 00:48:41,985 INFO L280 TraceCheckUtils]: 13: Hoare triple {637#true} #res := 0; {637#true} is VALID [2020-07-11 00:48:41,986 INFO L280 TraceCheckUtils]: 14: Hoare triple {637#true} assume true; {637#true} is VALID [2020-07-11 00:48:41,986 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {637#true} {638#false} #71#return; {638#false} is VALID [2020-07-11 00:48:41,986 INFO L280 TraceCheckUtils]: 16: Hoare triple {638#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {638#false} is VALID [2020-07-11 00:48:41,987 INFO L280 TraceCheckUtils]: 17: Hoare triple {638#false} #res := #t~ret0 + #t~ret1; {638#false} is VALID [2020-07-11 00:48:41,987 INFO L280 TraceCheckUtils]: 18: Hoare triple {638#false} havoc #t~ret0; {638#false} is VALID [2020-07-11 00:48:41,987 INFO L280 TraceCheckUtils]: 19: Hoare triple {638#false} havoc #t~ret1; {638#false} is VALID [2020-07-11 00:48:41,988 INFO L280 TraceCheckUtils]: 20: Hoare triple {638#false} assume true; {638#false} is VALID [2020-07-11 00:48:41,988 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {638#false} {641#(<= 5 main_~x~0)} #63#return; {638#false} is VALID [2020-07-11 00:48:41,992 INFO L263 TraceCheckUtils]: 0: Hoare triple {637#true} call ULTIMATE.init(); {637#true} is VALID [2020-07-11 00:48:41,992 INFO L280 TraceCheckUtils]: 1: Hoare triple {637#true} assume true; {637#true} is VALID [2020-07-11 00:48:41,992 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {637#true} {637#true} #59#return; {637#true} is VALID [2020-07-11 00:48:41,993 INFO L263 TraceCheckUtils]: 3: Hoare triple {637#true} call #t~ret5 := main(); {637#true} is VALID [2020-07-11 00:48:41,994 INFO L280 TraceCheckUtils]: 4: Hoare triple {637#true} ~x~0 := 5; {641#(<= 5 main_~x~0)} is VALID [2020-07-11 00:48:41,994 INFO L263 TraceCheckUtils]: 5: Hoare triple {641#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {637#true} is VALID [2020-07-11 00:48:41,995 INFO L280 TraceCheckUtils]: 6: Hoare triple {637#true} ~n := #in~n; {637#true} is VALID [2020-07-11 00:48:41,995 INFO L280 TraceCheckUtils]: 7: Hoare triple {637#true} assume !(~n < 1); {664#(< 0 fibo1_~n)} is VALID [2020-07-11 00:48:41,996 INFO L280 TraceCheckUtils]: 8: Hoare triple {664#(< 0 fibo1_~n)} assume !(1 == ~n); {665#(< 1 fibo1_~n)} is VALID [2020-07-11 00:48:41,997 INFO L263 TraceCheckUtils]: 9: Hoare triple {665#(< 1 fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {637#true} is VALID [2020-07-11 00:48:41,997 INFO L280 TraceCheckUtils]: 10: Hoare triple {637#true} ~n := #in~n; {676#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:41,998 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 00:48:41,999 INFO L280 TraceCheckUtils]: 12: Hoare triple {677#(<= |fibo2_#in~n| 0)} #res := 0; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:48:42,000 INFO L280 TraceCheckUtils]: 13: Hoare triple {677#(<= |fibo2_#in~n| 0)} assume true; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:48:42,001 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {677#(<= |fibo2_#in~n| 0)} {665#(< 1 fibo1_~n)} #69#return; {638#false} is VALID [2020-07-11 00:48:42,001 INFO L280 TraceCheckUtils]: 15: Hoare triple {638#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {638#false} is VALID [2020-07-11 00:48:42,002 INFO L263 TraceCheckUtils]: 16: Hoare triple {638#false} call #t~ret1 := fibo2(~n - 2); {637#true} is VALID [2020-07-11 00:48:42,002 INFO L280 TraceCheckUtils]: 17: Hoare triple {637#true} ~n := #in~n; {637#true} is VALID [2020-07-11 00:48:42,002 INFO L280 TraceCheckUtils]: 18: Hoare triple {637#true} assume ~n < 1; {637#true} is VALID [2020-07-11 00:48:42,003 INFO L280 TraceCheckUtils]: 19: Hoare triple {637#true} #res := 0; {637#true} is VALID [2020-07-11 00:48:42,003 INFO L280 TraceCheckUtils]: 20: Hoare triple {637#true} assume true; {637#true} is VALID [2020-07-11 00:48:42,003 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {637#true} {638#false} #71#return; {638#false} is VALID [2020-07-11 00:48:42,003 INFO L280 TraceCheckUtils]: 22: Hoare triple {638#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {638#false} is VALID [2020-07-11 00:48:42,004 INFO L280 TraceCheckUtils]: 23: Hoare triple {638#false} #res := #t~ret0 + #t~ret1; {638#false} is VALID [2020-07-11 00:48:42,004 INFO L280 TraceCheckUtils]: 24: Hoare triple {638#false} havoc #t~ret0; {638#false} is VALID [2020-07-11 00:48:42,004 INFO L280 TraceCheckUtils]: 25: Hoare triple {638#false} havoc #t~ret1; {638#false} is VALID [2020-07-11 00:48:42,005 INFO L280 TraceCheckUtils]: 26: Hoare triple {638#false} assume true; {638#false} is VALID [2020-07-11 00:48:42,005 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {638#false} {641#(<= 5 main_~x~0)} #63#return; {638#false} is VALID [2020-07-11 00:48:42,005 INFO L280 TraceCheckUtils]: 28: Hoare triple {638#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {638#false} is VALID [2020-07-11 00:48:42,006 INFO L280 TraceCheckUtils]: 29: Hoare triple {638#false} ~result~0 := #t~ret4; {638#false} is VALID [2020-07-11 00:48:42,006 INFO L280 TraceCheckUtils]: 30: Hoare triple {638#false} havoc #t~ret4; {638#false} is VALID [2020-07-11 00:48:42,006 INFO L280 TraceCheckUtils]: 31: Hoare triple {638#false} assume 5 == ~result~0; {638#false} is VALID [2020-07-11 00:48:42,006 INFO L280 TraceCheckUtils]: 32: Hoare triple {638#false} assume !false; {638#false} is VALID [2020-07-11 00:48:42,008 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 00:48:42,008 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [810356683] [2020-07-11 00:48:42,009 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 00:48:42,009 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-07-11 00:48:42,009 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220891258] [2020-07-11 00:48:42,010 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-07-11 00:48:42,010 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:48:42,011 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-11 00:48:42,045 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 00:48:42,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-11 00:48:42,045 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:48:42,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-11 00:48:42,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-11 00:48:42,046 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand 7 states. [2020-07-11 00:48:42,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:42,438 INFO L93 Difference]: Finished difference Result 82 states and 102 transitions. [2020-07-11 00:48:42,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-11 00:48:42,438 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-07-11 00:48:42,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:48:42,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-11 00:48:42,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 99 transitions. [2020-07-11 00:48:42,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-11 00:48:42,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 99 transitions. [2020-07-11 00:48:42,448 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 99 transitions. [2020-07-11 00:48:42,599 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 00:48:42,602 INFO L225 Difference]: With dead ends: 82 [2020-07-11 00:48:42,603 INFO L226 Difference]: Without dead ends: 46 [2020-07-11 00:48:42,604 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 00:48:42,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-07-11 00:48:42,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2020-07-11 00:48:42,664 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:48:42,664 INFO L82 GeneralOperation]: Start isEquivalent. First operand 46 states. Second operand 44 states. [2020-07-11 00:48:42,664 INFO L74 IsIncluded]: Start isIncluded. First operand 46 states. Second operand 44 states. [2020-07-11 00:48:42,665 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 44 states. [2020-07-11 00:48:42,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:42,669 INFO L93 Difference]: Finished difference Result 46 states and 54 transitions. [2020-07-11 00:48:42,669 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2020-07-11 00:48:42,670 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:48:42,670 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:48:42,670 INFO L74 IsIncluded]: Start isIncluded. First operand 44 states. Second operand 46 states. [2020-07-11 00:48:42,671 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 46 states. [2020-07-11 00:48:42,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:42,674 INFO L93 Difference]: Finished difference Result 46 states and 54 transitions. [2020-07-11 00:48:42,674 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2020-07-11 00:48:42,675 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:48:42,675 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:48:42,675 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:48:42,676 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:48:42,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-07-11 00:48:42,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2020-07-11 00:48:42,679 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 51 transitions. Word has length 33 [2020-07-11 00:48:42,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:48:42,680 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 51 transitions. [2020-07-11 00:48:42,680 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-11 00:48:42,680 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 44 states and 51 transitions. [2020-07-11 00:48:42,753 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 00:48:42,754 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2020-07-11 00:48:42,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-11 00:48:42,755 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:48:42,756 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 00:48:42,756 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-11 00:48:42,756 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:48:42,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:48:42,757 INFO L82 PathProgramCache]: Analyzing trace with hash 887160861, now seen corresponding path program 1 times [2020-07-11 00:48:42,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:48:42,757 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1700414019] [2020-07-11 00:48:42,758 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:48:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:42,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:42,813 INFO L280 TraceCheckUtils]: 0: Hoare triple {1026#true} assume true; {1026#true} is VALID [2020-07-11 00:48:42,814 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1026#true} {1026#true} #59#return; {1026#true} is VALID [2020-07-11 00:48:42,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:42,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:42,888 INFO L280 TraceCheckUtils]: 0: Hoare triple {1026#true} ~n := #in~n; {1067#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:42,889 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 00:48:42,890 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 00:48:42,891 INFO L280 TraceCheckUtils]: 3: Hoare triple {1068#(<= |fibo2_#in~n| 1)} #res := 1; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:42,891 INFO L280 TraceCheckUtils]: 4: Hoare triple {1068#(<= |fibo2_#in~n| 1)} assume true; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:42,893 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 00:48:42,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:42,905 INFO L280 TraceCheckUtils]: 0: Hoare triple {1026#true} ~n := #in~n; {1026#true} is VALID [2020-07-11 00:48:42,905 INFO L280 TraceCheckUtils]: 1: Hoare triple {1026#true} assume ~n < 1; {1026#true} is VALID [2020-07-11 00:48:42,906 INFO L280 TraceCheckUtils]: 2: Hoare triple {1026#true} #res := 0; {1026#true} is VALID [2020-07-11 00:48:42,906 INFO L280 TraceCheckUtils]: 3: Hoare triple {1026#true} assume true; {1026#true} is VALID [2020-07-11 00:48:42,907 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 00:48:42,908 INFO L280 TraceCheckUtils]: 0: Hoare triple {1026#true} ~n := #in~n; {1054#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:42,910 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 00:48:42,911 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 00:48:42,911 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 00:48:42,912 INFO L280 TraceCheckUtils]: 4: Hoare triple {1026#true} ~n := #in~n; {1067#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:42,913 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 00:48:42,913 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 00:48:42,914 INFO L280 TraceCheckUtils]: 7: Hoare triple {1068#(<= |fibo2_#in~n| 1)} #res := 1; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:42,915 INFO L280 TraceCheckUtils]: 8: Hoare triple {1068#(<= |fibo2_#in~n| 1)} assume true; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:42,916 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 00:48:42,917 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 00:48:42,918 INFO L263 TraceCheckUtils]: 11: Hoare triple {1061#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {1026#true} is VALID [2020-07-11 00:48:42,918 INFO L280 TraceCheckUtils]: 12: Hoare triple {1026#true} ~n := #in~n; {1026#true} is VALID [2020-07-11 00:48:42,918 INFO L280 TraceCheckUtils]: 13: Hoare triple {1026#true} assume ~n < 1; {1026#true} is VALID [2020-07-11 00:48:42,919 INFO L280 TraceCheckUtils]: 14: Hoare triple {1026#true} #res := 0; {1026#true} is VALID [2020-07-11 00:48:42,919 INFO L280 TraceCheckUtils]: 15: Hoare triple {1026#true} assume true; {1026#true} is VALID [2020-07-11 00:48:42,920 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 00:48:42,921 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 00:48:42,921 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 00:48:42,922 INFO L280 TraceCheckUtils]: 19: Hoare triple {1061#(<= |fibo1_#in~n| 2)} havoc #t~ret0; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:42,923 INFO L280 TraceCheckUtils]: 20: Hoare triple {1061#(<= |fibo1_#in~n| 2)} havoc #t~ret1; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:42,924 INFO L280 TraceCheckUtils]: 21: Hoare triple {1061#(<= |fibo1_#in~n| 2)} assume true; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:42,925 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {1061#(<= |fibo1_#in~n| 2)} {1030#(<= 5 main_~x~0)} #63#return; {1027#false} is VALID [2020-07-11 00:48:42,926 INFO L263 TraceCheckUtils]: 0: Hoare triple {1026#true} call ULTIMATE.init(); {1026#true} is VALID [2020-07-11 00:48:42,926 INFO L280 TraceCheckUtils]: 1: Hoare triple {1026#true} assume true; {1026#true} is VALID [2020-07-11 00:48:42,927 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1026#true} {1026#true} #59#return; {1026#true} is VALID [2020-07-11 00:48:42,927 INFO L263 TraceCheckUtils]: 3: Hoare triple {1026#true} call #t~ret5 := main(); {1026#true} is VALID [2020-07-11 00:48:42,928 INFO L280 TraceCheckUtils]: 4: Hoare triple {1026#true} ~x~0 := 5; {1030#(<= 5 main_~x~0)} is VALID [2020-07-11 00:48:42,928 INFO L263 TraceCheckUtils]: 5: Hoare triple {1030#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {1026#true} is VALID [2020-07-11 00:48:42,928 INFO L280 TraceCheckUtils]: 6: Hoare triple {1026#true} ~n := #in~n; {1054#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:42,929 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 00:48:42,930 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 00:48:42,930 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 00:48:42,931 INFO L280 TraceCheckUtils]: 10: Hoare triple {1026#true} ~n := #in~n; {1067#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:42,932 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 00:48:42,933 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 00:48:42,934 INFO L280 TraceCheckUtils]: 13: Hoare triple {1068#(<= |fibo2_#in~n| 1)} #res := 1; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:42,934 INFO L280 TraceCheckUtils]: 14: Hoare triple {1068#(<= |fibo2_#in~n| 1)} assume true; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:42,936 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 00:48:42,936 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 00:48:42,936 INFO L263 TraceCheckUtils]: 17: Hoare triple {1061#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {1026#true} is VALID [2020-07-11 00:48:42,945 INFO L280 TraceCheckUtils]: 18: Hoare triple {1026#true} ~n := #in~n; {1026#true} is VALID [2020-07-11 00:48:42,946 INFO L280 TraceCheckUtils]: 19: Hoare triple {1026#true} assume ~n < 1; {1026#true} is VALID [2020-07-11 00:48:42,946 INFO L280 TraceCheckUtils]: 20: Hoare triple {1026#true} #res := 0; {1026#true} is VALID [2020-07-11 00:48:42,946 INFO L280 TraceCheckUtils]: 21: Hoare triple {1026#true} assume true; {1026#true} is VALID [2020-07-11 00:48:42,952 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 00:48:42,953 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 00:48:42,953 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 00:48:42,954 INFO L280 TraceCheckUtils]: 25: Hoare triple {1061#(<= |fibo1_#in~n| 2)} havoc #t~ret0; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:42,954 INFO L280 TraceCheckUtils]: 26: Hoare triple {1061#(<= |fibo1_#in~n| 2)} havoc #t~ret1; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:42,955 INFO L280 TraceCheckUtils]: 27: Hoare triple {1061#(<= |fibo1_#in~n| 2)} assume true; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:42,956 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {1061#(<= |fibo1_#in~n| 2)} {1030#(<= 5 main_~x~0)} #63#return; {1027#false} is VALID [2020-07-11 00:48:42,956 INFO L280 TraceCheckUtils]: 29: Hoare triple {1027#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {1027#false} is VALID [2020-07-11 00:48:42,957 INFO L280 TraceCheckUtils]: 30: Hoare triple {1027#false} ~result~0 := #t~ret4; {1027#false} is VALID [2020-07-11 00:48:42,957 INFO L280 TraceCheckUtils]: 31: Hoare triple {1027#false} havoc #t~ret4; {1027#false} is VALID [2020-07-11 00:48:42,957 INFO L280 TraceCheckUtils]: 32: Hoare triple {1027#false} assume 5 == ~result~0; {1027#false} is VALID [2020-07-11 00:48:42,957 INFO L280 TraceCheckUtils]: 33: Hoare triple {1027#false} assume !false; {1027#false} is VALID [2020-07-11 00:48:42,959 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 00:48:42,959 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1700414019] [2020-07-11 00:48:42,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 00:48:42,959 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-07-11 00:48:42,960 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007409848] [2020-07-11 00:48:42,960 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2020-07-11 00:48:42,961 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:48:42,961 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-11 00:48:42,997 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 00:48:42,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-11 00:48:42,997 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:48:42,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-11 00:48:42,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-11 00:48:42,998 INFO L87 Difference]: Start difference. First operand 44 states and 51 transitions. Second operand 7 states. [2020-07-11 00:48:43,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:43,659 INFO L93 Difference]: Finished difference Result 74 states and 94 transitions. [2020-07-11 00:48:43,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-11 00:48:43,659 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2020-07-11 00:48:43,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:48:43,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-11 00:48:43,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 86 transitions. [2020-07-11 00:48:43,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-11 00:48:43,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 86 transitions. [2020-07-11 00:48:43,666 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 86 transitions. [2020-07-11 00:48:43,781 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 00:48:43,785 INFO L225 Difference]: With dead ends: 74 [2020-07-11 00:48:43,785 INFO L226 Difference]: Without dead ends: 68 [2020-07-11 00:48:43,786 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 00:48:43,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-07-11 00:48:43,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2020-07-11 00:48:43,898 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:48:43,898 INFO L82 GeneralOperation]: Start isEquivalent. First operand 68 states. Second operand 66 states. [2020-07-11 00:48:43,898 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand 66 states. [2020-07-11 00:48:43,899 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 66 states. [2020-07-11 00:48:43,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:43,904 INFO L93 Difference]: Finished difference Result 68 states and 88 transitions. [2020-07-11 00:48:43,904 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2020-07-11 00:48:43,905 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:48:43,906 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:48:43,906 INFO L74 IsIncluded]: Start isIncluded. First operand 66 states. Second operand 68 states. [2020-07-11 00:48:43,906 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 68 states. [2020-07-11 00:48:43,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:43,912 INFO L93 Difference]: Finished difference Result 68 states and 88 transitions. [2020-07-11 00:48:43,912 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2020-07-11 00:48:43,913 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:48:43,913 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:48:43,913 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:48:43,913 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:48:43,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-07-11 00:48:43,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 83 transitions. [2020-07-11 00:48:43,918 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 83 transitions. Word has length 34 [2020-07-11 00:48:43,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:48:43,919 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 83 transitions. [2020-07-11 00:48:43,919 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-11 00:48:43,919 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 66 states and 83 transitions. [2020-07-11 00:48:44,046 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 00:48:44,046 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2020-07-11 00:48:44,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-07-11 00:48:44,048 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:48:44,048 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 00:48:44,049 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-11 00:48:44,049 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:48:44,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:48:44,049 INFO L82 PathProgramCache]: Analyzing trace with hash 1875452576, now seen corresponding path program 1 times [2020-07-11 00:48:44,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:48:44,050 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1096858472] [2020-07-11 00:48:44,050 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:48:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:44,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:44,102 INFO L280 TraceCheckUtils]: 0: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-11 00:48:44,102 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1492#true} {1492#true} #59#return; {1492#true} is VALID [2020-07-11 00:48:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:44,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:44,179 INFO L280 TraceCheckUtils]: 0: Hoare triple {1492#true} ~n := #in~n; {1574#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:44,180 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 00:48:44,181 INFO L280 TraceCheckUtils]: 2: Hoare triple {1575#(<= |fibo1_#in~n| 0)} #res := 0; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:48:44,181 INFO L280 TraceCheckUtils]: 3: Hoare triple {1575#(<= |fibo1_#in~n| 0)} assume true; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:48:44,183 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1575#(<= |fibo1_#in~n| 0)} {1563#(< 1 fibo2_~n)} #65#return; {1493#false} is VALID [2020-07-11 00:48:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:44,188 INFO L280 TraceCheckUtils]: 0: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-11 00:48:44,188 INFO L280 TraceCheckUtils]: 1: Hoare triple {1492#true} assume ~n < 1; {1492#true} is VALID [2020-07-11 00:48:44,189 INFO L280 TraceCheckUtils]: 2: Hoare triple {1492#true} #res := 0; {1492#true} is VALID [2020-07-11 00:48:44,189 INFO L280 TraceCheckUtils]: 3: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-11 00:48:44,189 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1492#true} {1493#false} #67#return; {1493#false} is VALID [2020-07-11 00:48:44,190 INFO L280 TraceCheckUtils]: 0: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-11 00:48:44,191 INFO L280 TraceCheckUtils]: 1: Hoare triple {1492#true} assume !(~n < 1); {1562#(< 0 fibo2_~n)} is VALID [2020-07-11 00:48:44,191 INFO L280 TraceCheckUtils]: 2: Hoare triple {1562#(< 0 fibo2_~n)} assume !(1 == ~n); {1563#(< 1 fibo2_~n)} is VALID [2020-07-11 00:48:44,192 INFO L263 TraceCheckUtils]: 3: Hoare triple {1563#(< 1 fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {1492#true} is VALID [2020-07-11 00:48:44,192 INFO L280 TraceCheckUtils]: 4: Hoare triple {1492#true} ~n := #in~n; {1574#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:44,193 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 00:48:44,194 INFO L280 TraceCheckUtils]: 6: Hoare triple {1575#(<= |fibo1_#in~n| 0)} #res := 0; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:48:44,194 INFO L280 TraceCheckUtils]: 7: Hoare triple {1575#(<= |fibo1_#in~n| 0)} assume true; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:48:44,196 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1575#(<= |fibo1_#in~n| 0)} {1563#(< 1 fibo2_~n)} #65#return; {1493#false} is VALID [2020-07-11 00:48:44,196 INFO L280 TraceCheckUtils]: 9: Hoare triple {1493#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1493#false} is VALID [2020-07-11 00:48:44,196 INFO L263 TraceCheckUtils]: 10: Hoare triple {1493#false} call #t~ret3 := fibo1(~n - 2); {1492#true} is VALID [2020-07-11 00:48:44,197 INFO L280 TraceCheckUtils]: 11: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-11 00:48:44,197 INFO L280 TraceCheckUtils]: 12: Hoare triple {1492#true} assume ~n < 1; {1492#true} is VALID [2020-07-11 00:48:44,197 INFO L280 TraceCheckUtils]: 13: Hoare triple {1492#true} #res := 0; {1492#true} is VALID [2020-07-11 00:48:44,197 INFO L280 TraceCheckUtils]: 14: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-11 00:48:44,198 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {1492#true} {1493#false} #67#return; {1493#false} is VALID [2020-07-11 00:48:44,198 INFO L280 TraceCheckUtils]: 16: Hoare triple {1493#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {1493#false} is VALID [2020-07-11 00:48:44,198 INFO L280 TraceCheckUtils]: 17: Hoare triple {1493#false} #res := #t~ret2 + #t~ret3; {1493#false} is VALID [2020-07-11 00:48:44,199 INFO L280 TraceCheckUtils]: 18: Hoare triple {1493#false} havoc #t~ret3; {1493#false} is VALID [2020-07-11 00:48:44,199 INFO L280 TraceCheckUtils]: 19: Hoare triple {1493#false} havoc #t~ret2; {1493#false} is VALID [2020-07-11 00:48:44,199 INFO L280 TraceCheckUtils]: 20: Hoare triple {1493#false} assume true; {1493#false} is VALID [2020-07-11 00:48:44,199 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {1493#false} {1492#true} #69#return; {1493#false} is VALID [2020-07-11 00:48:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:44,205 INFO L280 TraceCheckUtils]: 0: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-11 00:48:44,205 INFO L280 TraceCheckUtils]: 1: Hoare triple {1492#true} assume ~n < 1; {1492#true} is VALID [2020-07-11 00:48:44,206 INFO L280 TraceCheckUtils]: 2: Hoare triple {1492#true} #res := 0; {1492#true} is VALID [2020-07-11 00:48:44,206 INFO L280 TraceCheckUtils]: 3: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-11 00:48:44,206 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1492#true} {1493#false} #71#return; {1493#false} is VALID [2020-07-11 00:48:44,207 INFO L280 TraceCheckUtils]: 0: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-11 00:48:44,207 INFO L280 TraceCheckUtils]: 1: Hoare triple {1492#true} assume !(~n < 1); {1492#true} is VALID [2020-07-11 00:48:44,207 INFO L280 TraceCheckUtils]: 2: Hoare triple {1492#true} assume !(1 == ~n); {1492#true} is VALID [2020-07-11 00:48:44,208 INFO L263 TraceCheckUtils]: 3: Hoare triple {1492#true} call #t~ret0 := fibo2(~n - 1); {1492#true} is VALID [2020-07-11 00:48:44,208 INFO L280 TraceCheckUtils]: 4: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-11 00:48:44,209 INFO L280 TraceCheckUtils]: 5: Hoare triple {1492#true} assume !(~n < 1); {1562#(< 0 fibo2_~n)} is VALID [2020-07-11 00:48:44,210 INFO L280 TraceCheckUtils]: 6: Hoare triple {1562#(< 0 fibo2_~n)} assume !(1 == ~n); {1563#(< 1 fibo2_~n)} is VALID [2020-07-11 00:48:44,210 INFO L263 TraceCheckUtils]: 7: Hoare triple {1563#(< 1 fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {1492#true} is VALID [2020-07-11 00:48:44,211 INFO L280 TraceCheckUtils]: 8: Hoare triple {1492#true} ~n := #in~n; {1574#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:44,211 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 00:48:44,212 INFO L280 TraceCheckUtils]: 10: Hoare triple {1575#(<= |fibo1_#in~n| 0)} #res := 0; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:48:44,212 INFO L280 TraceCheckUtils]: 11: Hoare triple {1575#(<= |fibo1_#in~n| 0)} assume true; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:48:44,214 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {1575#(<= |fibo1_#in~n| 0)} {1563#(< 1 fibo2_~n)} #65#return; {1493#false} is VALID [2020-07-11 00:48:44,214 INFO L280 TraceCheckUtils]: 13: Hoare triple {1493#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1493#false} is VALID [2020-07-11 00:48:44,215 INFO L263 TraceCheckUtils]: 14: Hoare triple {1493#false} call #t~ret3 := fibo1(~n - 2); {1492#true} is VALID [2020-07-11 00:48:44,215 INFO L280 TraceCheckUtils]: 15: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-11 00:48:44,215 INFO L280 TraceCheckUtils]: 16: Hoare triple {1492#true} assume ~n < 1; {1492#true} is VALID [2020-07-11 00:48:44,215 INFO L280 TraceCheckUtils]: 17: Hoare triple {1492#true} #res := 0; {1492#true} is VALID [2020-07-11 00:48:44,216 INFO L280 TraceCheckUtils]: 18: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-11 00:48:44,216 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {1492#true} {1493#false} #67#return; {1493#false} is VALID [2020-07-11 00:48:44,216 INFO L280 TraceCheckUtils]: 20: Hoare triple {1493#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {1493#false} is VALID [2020-07-11 00:48:44,216 INFO L280 TraceCheckUtils]: 21: Hoare triple {1493#false} #res := #t~ret2 + #t~ret3; {1493#false} is VALID [2020-07-11 00:48:44,217 INFO L280 TraceCheckUtils]: 22: Hoare triple {1493#false} havoc #t~ret3; {1493#false} is VALID [2020-07-11 00:48:44,217 INFO L280 TraceCheckUtils]: 23: Hoare triple {1493#false} havoc #t~ret2; {1493#false} is VALID [2020-07-11 00:48:44,217 INFO L280 TraceCheckUtils]: 24: Hoare triple {1493#false} assume true; {1493#false} is VALID [2020-07-11 00:48:44,217 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {1493#false} {1492#true} #69#return; {1493#false} is VALID [2020-07-11 00:48:44,218 INFO L280 TraceCheckUtils]: 26: Hoare triple {1493#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1493#false} is VALID [2020-07-11 00:48:44,218 INFO L263 TraceCheckUtils]: 27: Hoare triple {1493#false} call #t~ret1 := fibo2(~n - 2); {1492#true} is VALID [2020-07-11 00:48:44,218 INFO L280 TraceCheckUtils]: 28: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-11 00:48:44,218 INFO L280 TraceCheckUtils]: 29: Hoare triple {1492#true} assume ~n < 1; {1492#true} is VALID [2020-07-11 00:48:44,219 INFO L280 TraceCheckUtils]: 30: Hoare triple {1492#true} #res := 0; {1492#true} is VALID [2020-07-11 00:48:44,219 INFO L280 TraceCheckUtils]: 31: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-11 00:48:44,219 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {1492#true} {1493#false} #71#return; {1493#false} is VALID [2020-07-11 00:48:44,220 INFO L280 TraceCheckUtils]: 33: Hoare triple {1493#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1493#false} is VALID [2020-07-11 00:48:44,220 INFO L280 TraceCheckUtils]: 34: Hoare triple {1493#false} #res := #t~ret0 + #t~ret1; {1493#false} is VALID [2020-07-11 00:48:44,220 INFO L280 TraceCheckUtils]: 35: Hoare triple {1493#false} havoc #t~ret0; {1493#false} is VALID [2020-07-11 00:48:44,220 INFO L280 TraceCheckUtils]: 36: Hoare triple {1493#false} havoc #t~ret1; {1493#false} is VALID [2020-07-11 00:48:44,221 INFO L280 TraceCheckUtils]: 37: Hoare triple {1493#false} assume true; {1493#false} is VALID [2020-07-11 00:48:44,221 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {1493#false} {1492#true} #63#return; {1493#false} is VALID [2020-07-11 00:48:44,222 INFO L263 TraceCheckUtils]: 0: Hoare triple {1492#true} call ULTIMATE.init(); {1492#true} is VALID [2020-07-11 00:48:44,222 INFO L280 TraceCheckUtils]: 1: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-11 00:48:44,223 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1492#true} {1492#true} #59#return; {1492#true} is VALID [2020-07-11 00:48:44,223 INFO L263 TraceCheckUtils]: 3: Hoare triple {1492#true} call #t~ret5 := main(); {1492#true} is VALID [2020-07-11 00:48:44,223 INFO L280 TraceCheckUtils]: 4: Hoare triple {1492#true} ~x~0 := 5; {1492#true} is VALID [2020-07-11 00:48:44,223 INFO L263 TraceCheckUtils]: 5: Hoare triple {1492#true} call #t~ret4 := fibo1(~x~0); {1492#true} is VALID [2020-07-11 00:48:44,224 INFO L280 TraceCheckUtils]: 6: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-11 00:48:44,224 INFO L280 TraceCheckUtils]: 7: Hoare triple {1492#true} assume !(~n < 1); {1492#true} is VALID [2020-07-11 00:48:44,224 INFO L280 TraceCheckUtils]: 8: Hoare triple {1492#true} assume !(1 == ~n); {1492#true} is VALID [2020-07-11 00:48:44,224 INFO L263 TraceCheckUtils]: 9: Hoare triple {1492#true} call #t~ret0 := fibo2(~n - 1); {1492#true} is VALID [2020-07-11 00:48:44,225 INFO L280 TraceCheckUtils]: 10: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-11 00:48:44,226 INFO L280 TraceCheckUtils]: 11: Hoare triple {1492#true} assume !(~n < 1); {1562#(< 0 fibo2_~n)} is VALID [2020-07-11 00:48:44,227 INFO L280 TraceCheckUtils]: 12: Hoare triple {1562#(< 0 fibo2_~n)} assume !(1 == ~n); {1563#(< 1 fibo2_~n)} is VALID [2020-07-11 00:48:44,227 INFO L263 TraceCheckUtils]: 13: Hoare triple {1563#(< 1 fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {1492#true} is VALID [2020-07-11 00:48:44,227 INFO L280 TraceCheckUtils]: 14: Hoare triple {1492#true} ~n := #in~n; {1574#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:44,228 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 00:48:44,229 INFO L280 TraceCheckUtils]: 16: Hoare triple {1575#(<= |fibo1_#in~n| 0)} #res := 0; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:48:44,229 INFO L280 TraceCheckUtils]: 17: Hoare triple {1575#(<= |fibo1_#in~n| 0)} assume true; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:48:44,230 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {1575#(<= |fibo1_#in~n| 0)} {1563#(< 1 fibo2_~n)} #65#return; {1493#false} is VALID [2020-07-11 00:48:44,231 INFO L280 TraceCheckUtils]: 19: Hoare triple {1493#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1493#false} is VALID [2020-07-11 00:48:44,231 INFO L263 TraceCheckUtils]: 20: Hoare triple {1493#false} call #t~ret3 := fibo1(~n - 2); {1492#true} is VALID [2020-07-11 00:48:44,231 INFO L280 TraceCheckUtils]: 21: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-11 00:48:44,231 INFO L280 TraceCheckUtils]: 22: Hoare triple {1492#true} assume ~n < 1; {1492#true} is VALID [2020-07-11 00:48:44,232 INFO L280 TraceCheckUtils]: 23: Hoare triple {1492#true} #res := 0; {1492#true} is VALID [2020-07-11 00:48:44,232 INFO L280 TraceCheckUtils]: 24: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-11 00:48:44,232 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {1492#true} {1493#false} #67#return; {1493#false} is VALID [2020-07-11 00:48:44,232 INFO L280 TraceCheckUtils]: 26: Hoare triple {1493#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {1493#false} is VALID [2020-07-11 00:48:44,233 INFO L280 TraceCheckUtils]: 27: Hoare triple {1493#false} #res := #t~ret2 + #t~ret3; {1493#false} is VALID [2020-07-11 00:48:44,233 INFO L280 TraceCheckUtils]: 28: Hoare triple {1493#false} havoc #t~ret3; {1493#false} is VALID [2020-07-11 00:48:44,233 INFO L280 TraceCheckUtils]: 29: Hoare triple {1493#false} havoc #t~ret2; {1493#false} is VALID [2020-07-11 00:48:44,233 INFO L280 TraceCheckUtils]: 30: Hoare triple {1493#false} assume true; {1493#false} is VALID [2020-07-11 00:48:44,234 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {1493#false} {1492#true} #69#return; {1493#false} is VALID [2020-07-11 00:48:44,234 INFO L280 TraceCheckUtils]: 32: Hoare triple {1493#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1493#false} is VALID [2020-07-11 00:48:44,234 INFO L263 TraceCheckUtils]: 33: Hoare triple {1493#false} call #t~ret1 := fibo2(~n - 2); {1492#true} is VALID [2020-07-11 00:48:44,234 INFO L280 TraceCheckUtils]: 34: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-11 00:48:44,234 INFO L280 TraceCheckUtils]: 35: Hoare triple {1492#true} assume ~n < 1; {1492#true} is VALID [2020-07-11 00:48:44,235 INFO L280 TraceCheckUtils]: 36: Hoare triple {1492#true} #res := 0; {1492#true} is VALID [2020-07-11 00:48:44,235 INFO L280 TraceCheckUtils]: 37: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-11 00:48:44,235 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {1492#true} {1493#false} #71#return; {1493#false} is VALID [2020-07-11 00:48:44,235 INFO L280 TraceCheckUtils]: 39: Hoare triple {1493#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1493#false} is VALID [2020-07-11 00:48:44,236 INFO L280 TraceCheckUtils]: 40: Hoare triple {1493#false} #res := #t~ret0 + #t~ret1; {1493#false} is VALID [2020-07-11 00:48:44,236 INFO L280 TraceCheckUtils]: 41: Hoare triple {1493#false} havoc #t~ret0; {1493#false} is VALID [2020-07-11 00:48:44,236 INFO L280 TraceCheckUtils]: 42: Hoare triple {1493#false} havoc #t~ret1; {1493#false} is VALID [2020-07-11 00:48:44,236 INFO L280 TraceCheckUtils]: 43: Hoare triple {1493#false} assume true; {1493#false} is VALID [2020-07-11 00:48:44,237 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {1493#false} {1492#true} #63#return; {1493#false} is VALID [2020-07-11 00:48:44,237 INFO L280 TraceCheckUtils]: 45: Hoare triple {1493#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {1493#false} is VALID [2020-07-11 00:48:44,237 INFO L280 TraceCheckUtils]: 46: Hoare triple {1493#false} ~result~0 := #t~ret4; {1493#false} is VALID [2020-07-11 00:48:44,237 INFO L280 TraceCheckUtils]: 47: Hoare triple {1493#false} havoc #t~ret4; {1493#false} is VALID [2020-07-11 00:48:44,237 INFO L280 TraceCheckUtils]: 48: Hoare triple {1493#false} assume 5 == ~result~0; {1493#false} is VALID [2020-07-11 00:48:44,238 INFO L280 TraceCheckUtils]: 49: Hoare triple {1493#false} assume !false; {1493#false} is VALID [2020-07-11 00:48:44,240 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 00:48:44,240 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1096858472] [2020-07-11 00:48:44,240 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 00:48:44,240 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-07-11 00:48:44,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530153133] [2020-07-11 00:48:44,241 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-07-11 00:48:44,242 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:48:44,242 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-11 00:48:44,298 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 00:48:44,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-11 00:48:44,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:48:44,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-11 00:48:44,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-11 00:48:44,300 INFO L87 Difference]: Start difference. First operand 66 states and 83 transitions. Second operand 6 states. [2020-07-11 00:48:44,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:44,678 INFO L93 Difference]: Finished difference Result 130 states and 178 transitions. [2020-07-11 00:48:44,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-11 00:48:44,678 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-07-11 00:48:44,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:48:44,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-11 00:48:44,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 98 transitions. [2020-07-11 00:48:44,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-11 00:48:44,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 98 transitions. [2020-07-11 00:48:44,685 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 98 transitions. [2020-07-11 00:48:44,791 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 00:48:44,795 INFO L225 Difference]: With dead ends: 130 [2020-07-11 00:48:44,796 INFO L226 Difference]: Without dead ends: 70 [2020-07-11 00:48:44,798 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 00:48:44,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-07-11 00:48:44,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2020-07-11 00:48:44,925 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:48:44,925 INFO L82 GeneralOperation]: Start isEquivalent. First operand 70 states. Second operand 70 states. [2020-07-11 00:48:44,925 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand 70 states. [2020-07-11 00:48:44,925 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 70 states. [2020-07-11 00:48:44,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:44,931 INFO L93 Difference]: Finished difference Result 70 states and 89 transitions. [2020-07-11 00:48:44,931 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2020-07-11 00:48:44,932 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:48:44,932 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:48:44,933 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand 70 states. [2020-07-11 00:48:44,933 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 70 states. [2020-07-11 00:48:44,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:44,938 INFO L93 Difference]: Finished difference Result 70 states and 89 transitions. [2020-07-11 00:48:44,939 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2020-07-11 00:48:44,939 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:48:44,940 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:48:44,940 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:48:44,940 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:48:44,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-07-11 00:48:44,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 89 transitions. [2020-07-11 00:48:44,945 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 89 transitions. Word has length 50 [2020-07-11 00:48:44,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:48:44,945 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 89 transitions. [2020-07-11 00:48:44,945 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-11 00:48:44,946 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 70 states and 89 transitions. [2020-07-11 00:48:45,075 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 00:48:45,075 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2020-07-11 00:48:45,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-11 00:48:45,077 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:48:45,077 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 00:48:45,077 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-11 00:48:45,077 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:48:45,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:48:45,078 INFO L82 PathProgramCache]: Analyzing trace with hash 104828256, now seen corresponding path program 1 times [2020-07-11 00:48:45,078 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:48:45,078 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [69805815] [2020-07-11 00:48:45,079 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:48:45,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:45,121 INFO L280 TraceCheckUtils]: 0: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-11 00:48:45,121 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2120#true} {2120#true} #59#return; {2120#true} is VALID [2020-07-11 00:48:45,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:45,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:45,259 INFO L280 TraceCheckUtils]: 0: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-11 00:48:45,259 INFO L280 TraceCheckUtils]: 1: Hoare triple {2120#true} assume !(~n < 1); {2120#true} is VALID [2020-07-11 00:48:45,260 INFO L280 TraceCheckUtils]: 2: Hoare triple {2120#true} assume 1 == ~n; {2120#true} is VALID [2020-07-11 00:48:45,260 INFO L280 TraceCheckUtils]: 3: Hoare triple {2120#true} #res := 1; {2120#true} is VALID [2020-07-11 00:48:45,260 INFO L280 TraceCheckUtils]: 4: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-11 00:48:45,261 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 00:48:45,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:45,269 INFO L280 TraceCheckUtils]: 0: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-11 00:48:45,269 INFO L280 TraceCheckUtils]: 1: Hoare triple {2120#true} assume ~n < 1; {2120#true} is VALID [2020-07-11 00:48:45,269 INFO L280 TraceCheckUtils]: 2: Hoare triple {2120#true} #res := 0; {2120#true} is VALID [2020-07-11 00:48:45,270 INFO L280 TraceCheckUtils]: 3: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-11 00:48:45,271 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 00:48:45,272 INFO L280 TraceCheckUtils]: 0: Hoare triple {2120#true} ~n := #in~n; {2194#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:45,273 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 00:48:45,273 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 00:48:45,274 INFO L263 TraceCheckUtils]: 3: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {2120#true} is VALID [2020-07-11 00:48:45,274 INFO L280 TraceCheckUtils]: 4: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-11 00:48:45,274 INFO L280 TraceCheckUtils]: 5: Hoare triple {2120#true} assume !(~n < 1); {2120#true} is VALID [2020-07-11 00:48:45,274 INFO L280 TraceCheckUtils]: 6: Hoare triple {2120#true} assume 1 == ~n; {2120#true} is VALID [2020-07-11 00:48:45,275 INFO L280 TraceCheckUtils]: 7: Hoare triple {2120#true} #res := 1; {2120#true} is VALID [2020-07-11 00:48:45,275 INFO L280 TraceCheckUtils]: 8: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-11 00:48:45,276 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 00:48:45,277 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 00:48:45,277 INFO L263 TraceCheckUtils]: 11: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {2120#true} is VALID [2020-07-11 00:48:45,277 INFO L280 TraceCheckUtils]: 12: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-11 00:48:45,277 INFO L280 TraceCheckUtils]: 13: Hoare triple {2120#true} assume ~n < 1; {2120#true} is VALID [2020-07-11 00:48:45,278 INFO L280 TraceCheckUtils]: 14: Hoare triple {2120#true} #res := 0; {2120#true} is VALID [2020-07-11 00:48:45,278 INFO L280 TraceCheckUtils]: 15: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-11 00:48:45,279 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 00:48:45,279 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 00:48:45,280 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 00:48:45,281 INFO L280 TraceCheckUtils]: 19: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:45,281 INFO L280 TraceCheckUtils]: 20: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:45,282 INFO L280 TraceCheckUtils]: 21: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} assume true; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:45,283 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {2196#(<= 2 |fibo2_#in~n|)} {2120#true} #69#return; {2188#(<= 3 fibo1_~n)} is VALID [2020-07-11 00:48:45,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:45,303 INFO L280 TraceCheckUtils]: 0: Hoare triple {2120#true} ~n := #in~n; {2194#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:45,304 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 00:48:45,305 INFO L280 TraceCheckUtils]: 2: Hoare triple {2208#(<= |fibo2_#in~n| 0)} #res := 0; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:48:45,306 INFO L280 TraceCheckUtils]: 3: Hoare triple {2208#(<= |fibo2_#in~n| 0)} assume true; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:48:45,307 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2208#(<= |fibo2_#in~n| 0)} {2188#(<= 3 fibo1_~n)} #71#return; {2121#false} is VALID [2020-07-11 00:48:45,308 INFO L280 TraceCheckUtils]: 0: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-11 00:48:45,308 INFO L280 TraceCheckUtils]: 1: Hoare triple {2120#true} assume !(~n < 1); {2120#true} is VALID [2020-07-11 00:48:45,308 INFO L280 TraceCheckUtils]: 2: Hoare triple {2120#true} assume !(1 == ~n); {2120#true} is VALID [2020-07-11 00:48:45,308 INFO L263 TraceCheckUtils]: 3: Hoare triple {2120#true} call #t~ret0 := fibo2(~n - 1); {2120#true} is VALID [2020-07-11 00:48:45,309 INFO L280 TraceCheckUtils]: 4: Hoare triple {2120#true} ~n := #in~n; {2194#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:45,310 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 00:48:45,311 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 00:48:45,311 INFO L263 TraceCheckUtils]: 7: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {2120#true} is VALID [2020-07-11 00:48:45,311 INFO L280 TraceCheckUtils]: 8: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-11 00:48:45,311 INFO L280 TraceCheckUtils]: 9: Hoare triple {2120#true} assume !(~n < 1); {2120#true} is VALID [2020-07-11 00:48:45,312 INFO L280 TraceCheckUtils]: 10: Hoare triple {2120#true} assume 1 == ~n; {2120#true} is VALID [2020-07-11 00:48:45,312 INFO L280 TraceCheckUtils]: 11: Hoare triple {2120#true} #res := 1; {2120#true} is VALID [2020-07-11 00:48:45,312 INFO L280 TraceCheckUtils]: 12: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-11 00:48:45,313 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 00:48:45,314 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 00:48:45,314 INFO L263 TraceCheckUtils]: 15: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {2120#true} is VALID [2020-07-11 00:48:45,314 INFO L280 TraceCheckUtils]: 16: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-11 00:48:45,314 INFO L280 TraceCheckUtils]: 17: Hoare triple {2120#true} assume ~n < 1; {2120#true} is VALID [2020-07-11 00:48:45,315 INFO L280 TraceCheckUtils]: 18: Hoare triple {2120#true} #res := 0; {2120#true} is VALID [2020-07-11 00:48:45,315 INFO L280 TraceCheckUtils]: 19: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-11 00:48:45,316 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 00:48:45,317 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 00:48:45,317 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 00:48:45,318 INFO L280 TraceCheckUtils]: 23: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:45,318 INFO L280 TraceCheckUtils]: 24: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:45,319 INFO L280 TraceCheckUtils]: 25: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} assume true; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:45,320 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {2196#(<= 2 |fibo2_#in~n|)} {2120#true} #69#return; {2188#(<= 3 fibo1_~n)} is VALID [2020-07-11 00:48:45,321 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 00:48:45,321 INFO L263 TraceCheckUtils]: 28: Hoare triple {2188#(<= 3 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {2120#true} is VALID [2020-07-11 00:48:45,322 INFO L280 TraceCheckUtils]: 29: Hoare triple {2120#true} ~n := #in~n; {2194#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:45,323 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 00:48:45,324 INFO L280 TraceCheckUtils]: 31: Hoare triple {2208#(<= |fibo2_#in~n| 0)} #res := 0; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:48:45,324 INFO L280 TraceCheckUtils]: 32: Hoare triple {2208#(<= |fibo2_#in~n| 0)} assume true; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:48:45,325 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {2208#(<= |fibo2_#in~n| 0)} {2188#(<= 3 fibo1_~n)} #71#return; {2121#false} is VALID [2020-07-11 00:48:45,326 INFO L280 TraceCheckUtils]: 34: Hoare triple {2121#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2121#false} is VALID [2020-07-11 00:48:45,326 INFO L280 TraceCheckUtils]: 35: Hoare triple {2121#false} #res := #t~ret0 + #t~ret1; {2121#false} is VALID [2020-07-11 00:48:45,326 INFO L280 TraceCheckUtils]: 36: Hoare triple {2121#false} havoc #t~ret0; {2121#false} is VALID [2020-07-11 00:48:45,326 INFO L280 TraceCheckUtils]: 37: Hoare triple {2121#false} havoc #t~ret1; {2121#false} is VALID [2020-07-11 00:48:45,327 INFO L280 TraceCheckUtils]: 38: Hoare triple {2121#false} assume true; {2121#false} is VALID [2020-07-11 00:48:45,327 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {2121#false} {2124#(<= 5 main_~x~0)} #63#return; {2121#false} is VALID [2020-07-11 00:48:45,329 INFO L263 TraceCheckUtils]: 0: Hoare triple {2120#true} call ULTIMATE.init(); {2120#true} is VALID [2020-07-11 00:48:45,329 INFO L280 TraceCheckUtils]: 1: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-11 00:48:45,330 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2120#true} {2120#true} #59#return; {2120#true} is VALID [2020-07-11 00:48:45,330 INFO L263 TraceCheckUtils]: 3: Hoare triple {2120#true} call #t~ret5 := main(); {2120#true} is VALID [2020-07-11 00:48:45,331 INFO L280 TraceCheckUtils]: 4: Hoare triple {2120#true} ~x~0 := 5; {2124#(<= 5 main_~x~0)} is VALID [2020-07-11 00:48:45,331 INFO L263 TraceCheckUtils]: 5: Hoare triple {2124#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {2120#true} is VALID [2020-07-11 00:48:45,331 INFO L280 TraceCheckUtils]: 6: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-11 00:48:45,332 INFO L280 TraceCheckUtils]: 7: Hoare triple {2120#true} assume !(~n < 1); {2120#true} is VALID [2020-07-11 00:48:45,332 INFO L280 TraceCheckUtils]: 8: Hoare triple {2120#true} assume !(1 == ~n); {2120#true} is VALID [2020-07-11 00:48:45,332 INFO L263 TraceCheckUtils]: 9: Hoare triple {2120#true} call #t~ret0 := fibo2(~n - 1); {2120#true} is VALID [2020-07-11 00:48:45,333 INFO L280 TraceCheckUtils]: 10: Hoare triple {2120#true} ~n := #in~n; {2194#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:45,334 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 00:48:45,334 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 00:48:45,335 INFO L263 TraceCheckUtils]: 13: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {2120#true} is VALID [2020-07-11 00:48:45,335 INFO L280 TraceCheckUtils]: 14: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-11 00:48:45,335 INFO L280 TraceCheckUtils]: 15: Hoare triple {2120#true} assume !(~n < 1); {2120#true} is VALID [2020-07-11 00:48:45,335 INFO L280 TraceCheckUtils]: 16: Hoare triple {2120#true} assume 1 == ~n; {2120#true} is VALID [2020-07-11 00:48:45,335 INFO L280 TraceCheckUtils]: 17: Hoare triple {2120#true} #res := 1; {2120#true} is VALID [2020-07-11 00:48:45,336 INFO L280 TraceCheckUtils]: 18: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-11 00:48:45,337 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 00:48:45,337 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 00:48:45,338 INFO L263 TraceCheckUtils]: 21: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {2120#true} is VALID [2020-07-11 00:48:45,338 INFO L280 TraceCheckUtils]: 22: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-11 00:48:45,338 INFO L280 TraceCheckUtils]: 23: Hoare triple {2120#true} assume ~n < 1; {2120#true} is VALID [2020-07-11 00:48:45,338 INFO L280 TraceCheckUtils]: 24: Hoare triple {2120#true} #res := 0; {2120#true} is VALID [2020-07-11 00:48:45,339 INFO L280 TraceCheckUtils]: 25: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-11 00:48:45,340 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 00:48:45,340 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 00:48:45,341 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 00:48:45,341 INFO L280 TraceCheckUtils]: 29: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:45,342 INFO L280 TraceCheckUtils]: 30: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:45,342 INFO L280 TraceCheckUtils]: 31: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} assume true; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:45,344 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {2196#(<= 2 |fibo2_#in~n|)} {2120#true} #69#return; {2188#(<= 3 fibo1_~n)} is VALID [2020-07-11 00:48:45,344 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 00:48:45,345 INFO L263 TraceCheckUtils]: 34: Hoare triple {2188#(<= 3 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {2120#true} is VALID [2020-07-11 00:48:45,345 INFO L280 TraceCheckUtils]: 35: Hoare triple {2120#true} ~n := #in~n; {2194#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:45,346 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 00:48:45,346 INFO L280 TraceCheckUtils]: 37: Hoare triple {2208#(<= |fibo2_#in~n| 0)} #res := 0; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:48:45,347 INFO L280 TraceCheckUtils]: 38: Hoare triple {2208#(<= |fibo2_#in~n| 0)} assume true; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-11 00:48:45,348 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {2208#(<= |fibo2_#in~n| 0)} {2188#(<= 3 fibo1_~n)} #71#return; {2121#false} is VALID [2020-07-11 00:48:45,348 INFO L280 TraceCheckUtils]: 40: Hoare triple {2121#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2121#false} is VALID [2020-07-11 00:48:45,349 INFO L280 TraceCheckUtils]: 41: Hoare triple {2121#false} #res := #t~ret0 + #t~ret1; {2121#false} is VALID [2020-07-11 00:48:45,349 INFO L280 TraceCheckUtils]: 42: Hoare triple {2121#false} havoc #t~ret0; {2121#false} is VALID [2020-07-11 00:48:45,349 INFO L280 TraceCheckUtils]: 43: Hoare triple {2121#false} havoc #t~ret1; {2121#false} is VALID [2020-07-11 00:48:45,349 INFO L280 TraceCheckUtils]: 44: Hoare triple {2121#false} assume true; {2121#false} is VALID [2020-07-11 00:48:45,350 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {2121#false} {2124#(<= 5 main_~x~0)} #63#return; {2121#false} is VALID [2020-07-11 00:48:45,350 INFO L280 TraceCheckUtils]: 46: Hoare triple {2121#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {2121#false} is VALID [2020-07-11 00:48:45,350 INFO L280 TraceCheckUtils]: 47: Hoare triple {2121#false} ~result~0 := #t~ret4; {2121#false} is VALID [2020-07-11 00:48:45,350 INFO L280 TraceCheckUtils]: 48: Hoare triple {2121#false} havoc #t~ret4; {2121#false} is VALID [2020-07-11 00:48:45,351 INFO L280 TraceCheckUtils]: 49: Hoare triple {2121#false} assume 5 == ~result~0; {2121#false} is VALID [2020-07-11 00:48:45,351 INFO L280 TraceCheckUtils]: 50: Hoare triple {2121#false} assume !false; {2121#false} is VALID [2020-07-11 00:48:45,353 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 00:48:45,354 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [69805815] [2020-07-11 00:48:45,354 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 00:48:45,354 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-07-11 00:48:45,355 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028658001] [2020-07-11 00:48:45,355 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-07-11 00:48:45,355 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:48:45,356 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-11 00:48:45,405 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 00:48:45,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-11 00:48:45,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:48:45,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-11 00:48:45,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-11 00:48:45,407 INFO L87 Difference]: Start difference. First operand 70 states and 89 transitions. Second operand 8 states. [2020-07-11 00:48:45,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:46,000 INFO L93 Difference]: Finished difference Result 142 states and 197 transitions. [2020-07-11 00:48:46,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-11 00:48:46,000 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-07-11 00:48:46,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:48:46,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-11 00:48:46,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 108 transitions. [2020-07-11 00:48:46,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-11 00:48:46,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 108 transitions. [2020-07-11 00:48:46,007 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 108 transitions. [2020-07-11 00:48:46,126 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 00:48:46,130 INFO L225 Difference]: With dead ends: 142 [2020-07-11 00:48:46,130 INFO L226 Difference]: Without dead ends: 78 [2020-07-11 00:48:46,131 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 00:48:46,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-07-11 00:48:46,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 72. [2020-07-11 00:48:46,270 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:48:46,270 INFO L82 GeneralOperation]: Start isEquivalent. First operand 78 states. Second operand 72 states. [2020-07-11 00:48:46,270 INFO L74 IsIncluded]: Start isIncluded. First operand 78 states. Second operand 72 states. [2020-07-11 00:48:46,270 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 72 states. [2020-07-11 00:48:46,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:46,275 INFO L93 Difference]: Finished difference Result 78 states and 101 transitions. [2020-07-11 00:48:46,275 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 101 transitions. [2020-07-11 00:48:46,277 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:48:46,278 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:48:46,278 INFO L74 IsIncluded]: Start isIncluded. First operand 72 states. Second operand 78 states. [2020-07-11 00:48:46,278 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 78 states. [2020-07-11 00:48:46,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:46,284 INFO L93 Difference]: Finished difference Result 78 states and 101 transitions. [2020-07-11 00:48:46,284 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 101 transitions. [2020-07-11 00:48:46,285 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:48:46,285 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:48:46,285 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:48:46,285 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:48:46,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-07-11 00:48:46,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 92 transitions. [2020-07-11 00:48:46,290 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 92 transitions. Word has length 51 [2020-07-11 00:48:46,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:48:46,290 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 92 transitions. [2020-07-11 00:48:46,290 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-11 00:48:46,291 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 72 states and 92 transitions. [2020-07-11 00:48:46,405 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 00:48:46,406 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2020-07-11 00:48:46,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-11 00:48:46,407 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:48:46,408 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 00:48:46,408 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-11 00:48:46,408 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:48:46,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:48:46,409 INFO L82 PathProgramCache]: Analyzing trace with hash 1703786405, now seen corresponding path program 1 times [2020-07-11 00:48:46,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:48:46,409 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1054726126] [2020-07-11 00:48:46,409 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:48:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:46,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:46,469 INFO L280 TraceCheckUtils]: 0: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-11 00:48:46,469 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2799#true} {2799#true} #59#return; {2799#true} is VALID [2020-07-11 00:48:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:46,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:46,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:46,560 INFO L280 TraceCheckUtils]: 0: Hoare triple {2799#true} ~n := #in~n; {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:46,561 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 00:48:46,561 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 00:48:46,562 INFO L280 TraceCheckUtils]: 3: Hoare triple {2889#(<= |fibo1_#in~n| 1)} #res := 1; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:48:46,563 INFO L280 TraceCheckUtils]: 4: Hoare triple {2889#(<= |fibo1_#in~n| 1)} assume true; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:48:46,564 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 00:48:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:46,570 INFO L280 TraceCheckUtils]: 0: Hoare triple {2799#true} ~n := #in~n; {2799#true} is VALID [2020-07-11 00:48:46,571 INFO L280 TraceCheckUtils]: 1: Hoare triple {2799#true} assume ~n < 1; {2799#true} is VALID [2020-07-11 00:48:46,571 INFO L280 TraceCheckUtils]: 2: Hoare triple {2799#true} #res := 0; {2799#true} is VALID [2020-07-11 00:48:46,571 INFO L280 TraceCheckUtils]: 3: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-11 00:48:46,572 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 00:48:46,573 INFO L280 TraceCheckUtils]: 0: Hoare triple {2799#true} ~n := #in~n; {2876#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:46,573 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 00:48:46,574 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 00:48:46,574 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 00:48:46,575 INFO L280 TraceCheckUtils]: 4: Hoare triple {2799#true} ~n := #in~n; {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:46,575 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 00:48:46,576 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 00:48:46,577 INFO L280 TraceCheckUtils]: 7: Hoare triple {2889#(<= |fibo1_#in~n| 1)} #res := 1; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:48:46,577 INFO L280 TraceCheckUtils]: 8: Hoare triple {2889#(<= |fibo1_#in~n| 1)} assume true; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:48:46,579 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 00:48:46,579 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 00:48:46,580 INFO L263 TraceCheckUtils]: 11: Hoare triple {2883#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {2799#true} is VALID [2020-07-11 00:48:46,580 INFO L280 TraceCheckUtils]: 12: Hoare triple {2799#true} ~n := #in~n; {2799#true} is VALID [2020-07-11 00:48:46,580 INFO L280 TraceCheckUtils]: 13: Hoare triple {2799#true} assume ~n < 1; {2799#true} is VALID [2020-07-11 00:48:46,580 INFO L280 TraceCheckUtils]: 14: Hoare triple {2799#true} #res := 0; {2799#true} is VALID [2020-07-11 00:48:46,581 INFO L280 TraceCheckUtils]: 15: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-11 00:48:46,582 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 00:48:46,583 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 00:48:46,583 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 00:48:46,584 INFO L280 TraceCheckUtils]: 19: Hoare triple {2883#(<= |fibo2_#in~n| 2)} havoc #t~ret3; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:48:46,585 INFO L280 TraceCheckUtils]: 20: Hoare triple {2883#(<= |fibo2_#in~n| 2)} havoc #t~ret2; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:48:46,585 INFO L280 TraceCheckUtils]: 21: Hoare triple {2883#(<= |fibo2_#in~n| 2)} assume true; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:48:46,587 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 00:48:46,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:46,593 INFO L280 TraceCheckUtils]: 0: Hoare triple {2799#true} ~n := #in~n; {2799#true} is VALID [2020-07-11 00:48:46,593 INFO L280 TraceCheckUtils]: 1: Hoare triple {2799#true} assume !(~n < 1); {2799#true} is VALID [2020-07-11 00:48:46,594 INFO L280 TraceCheckUtils]: 2: Hoare triple {2799#true} assume 1 == ~n; {2799#true} is VALID [2020-07-11 00:48:46,594 INFO L280 TraceCheckUtils]: 3: Hoare triple {2799#true} #res := 1; {2799#true} is VALID [2020-07-11 00:48:46,594 INFO L280 TraceCheckUtils]: 4: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-11 00:48:46,595 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 00:48:46,596 INFO L280 TraceCheckUtils]: 0: Hoare triple {2799#true} ~n := #in~n; {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:46,596 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 00:48:46,597 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 00:48:46,597 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 00:48:46,598 INFO L280 TraceCheckUtils]: 4: Hoare triple {2799#true} ~n := #in~n; {2876#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:46,598 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 00:48:46,599 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 00:48:46,599 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 00:48:46,599 INFO L280 TraceCheckUtils]: 8: Hoare triple {2799#true} ~n := #in~n; {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:46,600 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 00:48:46,601 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 00:48:46,601 INFO L280 TraceCheckUtils]: 11: Hoare triple {2889#(<= |fibo1_#in~n| 1)} #res := 1; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:48:46,602 INFO L280 TraceCheckUtils]: 12: Hoare triple {2889#(<= |fibo1_#in~n| 1)} assume true; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:48:46,603 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 00:48:46,604 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 00:48:46,604 INFO L263 TraceCheckUtils]: 15: Hoare triple {2883#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {2799#true} is VALID [2020-07-11 00:48:46,605 INFO L280 TraceCheckUtils]: 16: Hoare triple {2799#true} ~n := #in~n; {2799#true} is VALID [2020-07-11 00:48:46,605 INFO L280 TraceCheckUtils]: 17: Hoare triple {2799#true} assume ~n < 1; {2799#true} is VALID [2020-07-11 00:48:46,605 INFO L280 TraceCheckUtils]: 18: Hoare triple {2799#true} #res := 0; {2799#true} is VALID [2020-07-11 00:48:46,605 INFO L280 TraceCheckUtils]: 19: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-11 00:48:46,606 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 00:48:46,607 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 00:48:46,608 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 00:48:46,608 INFO L280 TraceCheckUtils]: 23: Hoare triple {2883#(<= |fibo2_#in~n| 2)} havoc #t~ret3; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:48:46,609 INFO L280 TraceCheckUtils]: 24: Hoare triple {2883#(<= |fibo2_#in~n| 2)} havoc #t~ret2; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:48:46,610 INFO L280 TraceCheckUtils]: 25: Hoare triple {2883#(<= |fibo2_#in~n| 2)} assume true; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:48:46,611 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 00:48:46,612 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 00:48:46,612 INFO L263 TraceCheckUtils]: 28: Hoare triple {2869#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {2799#true} is VALID [2020-07-11 00:48:46,612 INFO L280 TraceCheckUtils]: 29: Hoare triple {2799#true} ~n := #in~n; {2799#true} is VALID [2020-07-11 00:48:46,612 INFO L280 TraceCheckUtils]: 30: Hoare triple {2799#true} assume !(~n < 1); {2799#true} is VALID [2020-07-11 00:48:46,613 INFO L280 TraceCheckUtils]: 31: Hoare triple {2799#true} assume 1 == ~n; {2799#true} is VALID [2020-07-11 00:48:46,613 INFO L280 TraceCheckUtils]: 32: Hoare triple {2799#true} #res := 1; {2799#true} is VALID [2020-07-11 00:48:46,613 INFO L280 TraceCheckUtils]: 33: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-11 00:48:46,614 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 00:48:46,614 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 00:48:46,615 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 00:48:46,616 INFO L280 TraceCheckUtils]: 37: Hoare triple {2869#(<= |fibo1_#in~n| 3)} havoc #t~ret0; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:48:46,616 INFO L280 TraceCheckUtils]: 38: Hoare triple {2869#(<= |fibo1_#in~n| 3)} havoc #t~ret1; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:48:46,617 INFO L280 TraceCheckUtils]: 39: Hoare triple {2869#(<= |fibo1_#in~n| 3)} assume true; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:48:46,618 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {2869#(<= |fibo1_#in~n| 3)} {2803#(<= 5 main_~x~0)} #63#return; {2800#false} is VALID [2020-07-11 00:48:46,620 INFO L263 TraceCheckUtils]: 0: Hoare triple {2799#true} call ULTIMATE.init(); {2799#true} is VALID [2020-07-11 00:48:46,620 INFO L280 TraceCheckUtils]: 1: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-11 00:48:46,620 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2799#true} {2799#true} #59#return; {2799#true} is VALID [2020-07-11 00:48:46,621 INFO L263 TraceCheckUtils]: 3: Hoare triple {2799#true} call #t~ret5 := main(); {2799#true} is VALID [2020-07-11 00:48:46,621 INFO L280 TraceCheckUtils]: 4: Hoare triple {2799#true} ~x~0 := 5; {2803#(<= 5 main_~x~0)} is VALID [2020-07-11 00:48:46,622 INFO L263 TraceCheckUtils]: 5: Hoare triple {2803#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {2799#true} is VALID [2020-07-11 00:48:46,622 INFO L280 TraceCheckUtils]: 6: Hoare triple {2799#true} ~n := #in~n; {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:46,623 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 00:48:46,623 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 00:48:46,624 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 00:48:46,624 INFO L280 TraceCheckUtils]: 10: Hoare triple {2799#true} ~n := #in~n; {2876#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:46,625 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 00:48:46,625 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 00:48:46,626 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 00:48:46,626 INFO L280 TraceCheckUtils]: 14: Hoare triple {2799#true} ~n := #in~n; {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:46,627 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 00:48:46,627 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 00:48:46,628 INFO L280 TraceCheckUtils]: 17: Hoare triple {2889#(<= |fibo1_#in~n| 1)} #res := 1; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:48:46,629 INFO L280 TraceCheckUtils]: 18: Hoare triple {2889#(<= |fibo1_#in~n| 1)} assume true; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:48:46,630 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 00:48:46,631 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 00:48:46,631 INFO L263 TraceCheckUtils]: 21: Hoare triple {2883#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {2799#true} is VALID [2020-07-11 00:48:46,631 INFO L280 TraceCheckUtils]: 22: Hoare triple {2799#true} ~n := #in~n; {2799#true} is VALID [2020-07-11 00:48:46,631 INFO L280 TraceCheckUtils]: 23: Hoare triple {2799#true} assume ~n < 1; {2799#true} is VALID [2020-07-11 00:48:46,632 INFO L280 TraceCheckUtils]: 24: Hoare triple {2799#true} #res := 0; {2799#true} is VALID [2020-07-11 00:48:46,632 INFO L280 TraceCheckUtils]: 25: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-11 00:48:46,633 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 00:48:46,633 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 00:48:46,634 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 00:48:46,634 INFO L280 TraceCheckUtils]: 29: Hoare triple {2883#(<= |fibo2_#in~n| 2)} havoc #t~ret3; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:48:46,635 INFO L280 TraceCheckUtils]: 30: Hoare triple {2883#(<= |fibo2_#in~n| 2)} havoc #t~ret2; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:48:46,635 INFO L280 TraceCheckUtils]: 31: Hoare triple {2883#(<= |fibo2_#in~n| 2)} assume true; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-11 00:48:46,637 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 00:48:46,637 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 00:48:46,637 INFO L263 TraceCheckUtils]: 34: Hoare triple {2869#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {2799#true} is VALID [2020-07-11 00:48:46,638 INFO L280 TraceCheckUtils]: 35: Hoare triple {2799#true} ~n := #in~n; {2799#true} is VALID [2020-07-11 00:48:46,638 INFO L280 TraceCheckUtils]: 36: Hoare triple {2799#true} assume !(~n < 1); {2799#true} is VALID [2020-07-11 00:48:46,638 INFO L280 TraceCheckUtils]: 37: Hoare triple {2799#true} assume 1 == ~n; {2799#true} is VALID [2020-07-11 00:48:46,638 INFO L280 TraceCheckUtils]: 38: Hoare triple {2799#true} #res := 1; {2799#true} is VALID [2020-07-11 00:48:46,639 INFO L280 TraceCheckUtils]: 39: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-11 00:48:46,640 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 00:48:46,640 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 00:48:46,641 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 00:48:46,641 INFO L280 TraceCheckUtils]: 43: Hoare triple {2869#(<= |fibo1_#in~n| 3)} havoc #t~ret0; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:48:46,642 INFO L280 TraceCheckUtils]: 44: Hoare triple {2869#(<= |fibo1_#in~n| 3)} havoc #t~ret1; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:48:46,642 INFO L280 TraceCheckUtils]: 45: Hoare triple {2869#(<= |fibo1_#in~n| 3)} assume true; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-11 00:48:46,644 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {2869#(<= |fibo1_#in~n| 3)} {2803#(<= 5 main_~x~0)} #63#return; {2800#false} is VALID [2020-07-11 00:48:46,644 INFO L280 TraceCheckUtils]: 47: Hoare triple {2800#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {2800#false} is VALID [2020-07-11 00:48:46,644 INFO L280 TraceCheckUtils]: 48: Hoare triple {2800#false} ~result~0 := #t~ret4; {2800#false} is VALID [2020-07-11 00:48:46,645 INFO L280 TraceCheckUtils]: 49: Hoare triple {2800#false} havoc #t~ret4; {2800#false} is VALID [2020-07-11 00:48:46,645 INFO L280 TraceCheckUtils]: 50: Hoare triple {2800#false} assume 5 == ~result~0; {2800#false} is VALID [2020-07-11 00:48:46,645 INFO L280 TraceCheckUtils]: 51: Hoare triple {2800#false} assume !false; {2800#false} is VALID [2020-07-11 00:48:46,648 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 00:48:46,648 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1054726126] [2020-07-11 00:48:46,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 00:48:46,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-07-11 00:48:46,649 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724391687] [2020-07-11 00:48:46,650 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-11 00:48:46,650 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:48:46,651 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-11 00:48:46,703 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 00:48:46,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-11 00:48:46,704 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:48:46,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-11 00:48:46,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-11 00:48:46,705 INFO L87 Difference]: Start difference. First operand 72 states and 92 transitions. Second operand 8 states. [2020-07-11 00:48:47,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:47,517 INFO L93 Difference]: Finished difference Result 118 states and 158 transitions. [2020-07-11 00:48:47,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-11 00:48:47,518 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-11 00:48:47,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:48:47,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-11 00:48:47,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 96 transitions. [2020-07-11 00:48:47,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-11 00:48:47,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 96 transitions. [2020-07-11 00:48:47,524 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 96 transitions. [2020-07-11 00:48:47,640 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 00:48:47,645 INFO L225 Difference]: With dead ends: 118 [2020-07-11 00:48:47,645 INFO L226 Difference]: Without dead ends: 112 [2020-07-11 00:48:47,646 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 00:48:47,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-07-11 00:48:47,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 106. [2020-07-11 00:48:47,861 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:48:47,861 INFO L82 GeneralOperation]: Start isEquivalent. First operand 112 states. Second operand 106 states. [2020-07-11 00:48:47,862 INFO L74 IsIncluded]: Start isIncluded. First operand 112 states. Second operand 106 states. [2020-07-11 00:48:47,862 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 106 states. [2020-07-11 00:48:47,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:47,870 INFO L93 Difference]: Finished difference Result 112 states and 152 transitions. [2020-07-11 00:48:47,870 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 152 transitions. [2020-07-11 00:48:47,871 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:48:47,871 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:48:47,871 INFO L74 IsIncluded]: Start isIncluded. First operand 106 states. Second operand 112 states. [2020-07-11 00:48:47,871 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 112 states. [2020-07-11 00:48:47,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:47,879 INFO L93 Difference]: Finished difference Result 112 states and 152 transitions. [2020-07-11 00:48:47,879 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 152 transitions. [2020-07-11 00:48:47,880 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:48:47,880 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:48:47,880 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:48:47,880 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:48:47,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-07-11 00:48:47,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 145 transitions. [2020-07-11 00:48:47,887 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 145 transitions. Word has length 52 [2020-07-11 00:48:47,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:48:47,887 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 145 transitions. [2020-07-11 00:48:47,887 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-11 00:48:47,887 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 106 states and 145 transitions. [2020-07-11 00:48:48,077 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 00:48:48,077 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 145 transitions. [2020-07-11 00:48:48,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-11 00:48:48,080 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:48:48,080 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 00:48:48,080 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-11 00:48:48,081 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:48:48,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:48:48,081 INFO L82 PathProgramCache]: Analyzing trace with hash -521446491, now seen corresponding path program 1 times [2020-07-11 00:48:48,081 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:48:48,081 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [183584297] [2020-07-11 00:48:48,082 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:48:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:48,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:48,119 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:48:48,119 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3573#true} {3573#true} #59#return; {3573#true} is VALID [2020-07-11 00:48:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:48,219 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:48:48,219 INFO L280 TraceCheckUtils]: 1: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-11 00:48:48,219 INFO L280 TraceCheckUtils]: 2: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-11 00:48:48,220 INFO L280 TraceCheckUtils]: 3: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-11 00:48:48,220 INFO L280 TraceCheckUtils]: 4: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:48:48,220 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 00:48:48,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:48,225 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:48:48,226 INFO L280 TraceCheckUtils]: 1: Hoare triple {3573#true} assume ~n < 1; {3573#true} is VALID [2020-07-11 00:48:48,226 INFO L280 TraceCheckUtils]: 2: Hoare triple {3573#true} #res := 0; {3573#true} is VALID [2020-07-11 00:48:48,226 INFO L280 TraceCheckUtils]: 3: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:48:48,227 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 00:48:48,228 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:48,228 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 00:48:48,229 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 00:48:48,229 INFO L263 TraceCheckUtils]: 3: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {3573#true} is VALID [2020-07-11 00:48:48,230 INFO L280 TraceCheckUtils]: 4: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:48:48,230 INFO L280 TraceCheckUtils]: 5: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-11 00:48:48,230 INFO L280 TraceCheckUtils]: 6: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-11 00:48:48,230 INFO L280 TraceCheckUtils]: 7: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-11 00:48:48,230 INFO L280 TraceCheckUtils]: 8: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:48:48,231 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 00:48:48,232 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 00:48:48,232 INFO L263 TraceCheckUtils]: 11: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3573#true} is VALID [2020-07-11 00:48:48,232 INFO L280 TraceCheckUtils]: 12: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:48:48,232 INFO L280 TraceCheckUtils]: 13: Hoare triple {3573#true} assume ~n < 1; {3573#true} is VALID [2020-07-11 00:48:48,233 INFO L280 TraceCheckUtils]: 14: Hoare triple {3573#true} #res := 0; {3573#true} is VALID [2020-07-11 00:48:48,233 INFO L280 TraceCheckUtils]: 15: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:48:48,234 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 00:48:48,234 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 00:48:48,241 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 00:48:48,242 INFO L280 TraceCheckUtils]: 19: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:48,243 INFO L280 TraceCheckUtils]: 20: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:48,244 INFO L280 TraceCheckUtils]: 21: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume true; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:48,248 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {3713#(<= 2 |fibo1_#in~n|)} {3573#true} #65#return; {3705#(<= 3 fibo2_~n)} is VALID [2020-07-11 00:48:48,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:48,273 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:48,274 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 00:48:48,275 INFO L280 TraceCheckUtils]: 2: Hoare triple {3725#(<= |fibo1_#in~n| 0)} #res := 0; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:48:48,275 INFO L280 TraceCheckUtils]: 3: Hoare triple {3725#(<= |fibo1_#in~n| 0)} assume true; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:48:48,276 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3725#(<= |fibo1_#in~n| 0)} {3705#(<= 3 fibo2_~n)} #67#return; {3574#false} is VALID [2020-07-11 00:48:48,277 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:48:48,277 INFO L280 TraceCheckUtils]: 1: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-11 00:48:48,277 INFO L280 TraceCheckUtils]: 2: Hoare triple {3573#true} assume !(1 == ~n); {3573#true} is VALID [2020-07-11 00:48:48,277 INFO L263 TraceCheckUtils]: 3: Hoare triple {3573#true} call #t~ret2 := fibo1(~n - 1); {3573#true} is VALID [2020-07-11 00:48:48,277 INFO L280 TraceCheckUtils]: 4: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:48,278 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 00:48:48,285 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 00:48:48,285 INFO L263 TraceCheckUtils]: 7: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {3573#true} is VALID [2020-07-11 00:48:48,285 INFO L280 TraceCheckUtils]: 8: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:48:48,286 INFO L280 TraceCheckUtils]: 9: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-11 00:48:48,286 INFO L280 TraceCheckUtils]: 10: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-11 00:48:48,286 INFO L280 TraceCheckUtils]: 11: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-11 00:48:48,286 INFO L280 TraceCheckUtils]: 12: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:48:48,287 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 00:48:48,288 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 00:48:48,288 INFO L263 TraceCheckUtils]: 15: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3573#true} is VALID [2020-07-11 00:48:48,288 INFO L280 TraceCheckUtils]: 16: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:48:48,288 INFO L280 TraceCheckUtils]: 17: Hoare triple {3573#true} assume ~n < 1; {3573#true} is VALID [2020-07-11 00:48:48,288 INFO L280 TraceCheckUtils]: 18: Hoare triple {3573#true} #res := 0; {3573#true} is VALID [2020-07-11 00:48:48,289 INFO L280 TraceCheckUtils]: 19: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:48:48,290 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 00:48:48,290 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 00:48:48,291 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 00:48:48,291 INFO L280 TraceCheckUtils]: 23: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:48,292 INFO L280 TraceCheckUtils]: 24: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:48,292 INFO L280 TraceCheckUtils]: 25: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume true; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:48,293 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {3713#(<= 2 |fibo1_#in~n|)} {3573#true} #65#return; {3705#(<= 3 fibo2_~n)} is VALID [2020-07-11 00:48:48,294 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 00:48:48,294 INFO L263 TraceCheckUtils]: 28: Hoare triple {3705#(<= 3 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {3573#true} is VALID [2020-07-11 00:48:48,295 INFO L280 TraceCheckUtils]: 29: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:48,295 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 00:48:48,296 INFO L280 TraceCheckUtils]: 31: Hoare triple {3725#(<= |fibo1_#in~n| 0)} #res := 0; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:48:48,296 INFO L280 TraceCheckUtils]: 32: Hoare triple {3725#(<= |fibo1_#in~n| 0)} assume true; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:48:48,297 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {3725#(<= |fibo1_#in~n| 0)} {3705#(<= 3 fibo2_~n)} #67#return; {3574#false} is VALID [2020-07-11 00:48:48,298 INFO L280 TraceCheckUtils]: 34: Hoare triple {3574#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {3574#false} is VALID [2020-07-11 00:48:48,298 INFO L280 TraceCheckUtils]: 35: Hoare triple {3574#false} #res := #t~ret2 + #t~ret3; {3574#false} is VALID [2020-07-11 00:48:48,298 INFO L280 TraceCheckUtils]: 36: Hoare triple {3574#false} havoc #t~ret3; {3574#false} is VALID [2020-07-11 00:48:48,298 INFO L280 TraceCheckUtils]: 37: Hoare triple {3574#false} havoc #t~ret2; {3574#false} is VALID [2020-07-11 00:48:48,298 INFO L280 TraceCheckUtils]: 38: Hoare triple {3574#false} assume true; {3574#false} is VALID [2020-07-11 00:48:48,299 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {3574#false} {3573#true} #69#return; {3574#false} is VALID [2020-07-11 00:48:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:48,304 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:48:48,305 INFO L280 TraceCheckUtils]: 1: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-11 00:48:48,305 INFO L280 TraceCheckUtils]: 2: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-11 00:48:48,305 INFO L280 TraceCheckUtils]: 3: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-11 00:48:48,305 INFO L280 TraceCheckUtils]: 4: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:48:48,305 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3573#true} {3574#false} #71#return; {3574#false} is VALID [2020-07-11 00:48:48,306 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:48:48,306 INFO L280 TraceCheckUtils]: 1: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-11 00:48:48,306 INFO L280 TraceCheckUtils]: 2: Hoare triple {3573#true} assume !(1 == ~n); {3573#true} is VALID [2020-07-11 00:48:48,306 INFO L263 TraceCheckUtils]: 3: Hoare triple {3573#true} call #t~ret0 := fibo2(~n - 1); {3573#true} is VALID [2020-07-11 00:48:48,306 INFO L280 TraceCheckUtils]: 4: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:48:48,307 INFO L280 TraceCheckUtils]: 5: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-11 00:48:48,307 INFO L280 TraceCheckUtils]: 6: Hoare triple {3573#true} assume !(1 == ~n); {3573#true} is VALID [2020-07-11 00:48:48,307 INFO L263 TraceCheckUtils]: 7: Hoare triple {3573#true} call #t~ret2 := fibo1(~n - 1); {3573#true} is VALID [2020-07-11 00:48:48,308 INFO L280 TraceCheckUtils]: 8: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:48,309 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 00:48:48,309 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 00:48:48,309 INFO L263 TraceCheckUtils]: 11: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {3573#true} is VALID [2020-07-11 00:48:48,310 INFO L280 TraceCheckUtils]: 12: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:48:48,310 INFO L280 TraceCheckUtils]: 13: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-11 00:48:48,310 INFO L280 TraceCheckUtils]: 14: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-11 00:48:48,310 INFO L280 TraceCheckUtils]: 15: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-11 00:48:48,310 INFO L280 TraceCheckUtils]: 16: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:48:48,311 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 00:48:48,312 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 00:48:48,312 INFO L263 TraceCheckUtils]: 19: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3573#true} is VALID [2020-07-11 00:48:48,312 INFO L280 TraceCheckUtils]: 20: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:48:48,312 INFO L280 TraceCheckUtils]: 21: Hoare triple {3573#true} assume ~n < 1; {3573#true} is VALID [2020-07-11 00:48:48,313 INFO L280 TraceCheckUtils]: 22: Hoare triple {3573#true} #res := 0; {3573#true} is VALID [2020-07-11 00:48:48,313 INFO L280 TraceCheckUtils]: 23: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:48:48,314 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 00:48:48,314 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 00:48:48,315 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 00:48:48,315 INFO L280 TraceCheckUtils]: 27: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:48,316 INFO L280 TraceCheckUtils]: 28: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:48,316 INFO L280 TraceCheckUtils]: 29: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume true; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:48,317 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {3713#(<= 2 |fibo1_#in~n|)} {3573#true} #65#return; {3705#(<= 3 fibo2_~n)} is VALID [2020-07-11 00:48:48,318 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 00:48:48,318 INFO L263 TraceCheckUtils]: 32: Hoare triple {3705#(<= 3 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {3573#true} is VALID [2020-07-11 00:48:48,319 INFO L280 TraceCheckUtils]: 33: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:48,319 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 00:48:48,320 INFO L280 TraceCheckUtils]: 35: Hoare triple {3725#(<= |fibo1_#in~n| 0)} #res := 0; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:48:48,320 INFO L280 TraceCheckUtils]: 36: Hoare triple {3725#(<= |fibo1_#in~n| 0)} assume true; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:48:48,322 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {3725#(<= |fibo1_#in~n| 0)} {3705#(<= 3 fibo2_~n)} #67#return; {3574#false} is VALID [2020-07-11 00:48:48,322 INFO L280 TraceCheckUtils]: 38: Hoare triple {3574#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {3574#false} is VALID [2020-07-11 00:48:48,322 INFO L280 TraceCheckUtils]: 39: Hoare triple {3574#false} #res := #t~ret2 + #t~ret3; {3574#false} is VALID [2020-07-11 00:48:48,322 INFO L280 TraceCheckUtils]: 40: Hoare triple {3574#false} havoc #t~ret3; {3574#false} is VALID [2020-07-11 00:48:48,322 INFO L280 TraceCheckUtils]: 41: Hoare triple {3574#false} havoc #t~ret2; {3574#false} is VALID [2020-07-11 00:48:48,323 INFO L280 TraceCheckUtils]: 42: Hoare triple {3574#false} assume true; {3574#false} is VALID [2020-07-11 00:48:48,323 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {3574#false} {3573#true} #69#return; {3574#false} is VALID [2020-07-11 00:48:48,323 INFO L280 TraceCheckUtils]: 44: Hoare triple {3574#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3574#false} is VALID [2020-07-11 00:48:48,323 INFO L263 TraceCheckUtils]: 45: Hoare triple {3574#false} call #t~ret1 := fibo2(~n - 2); {3573#true} is VALID [2020-07-11 00:48:48,323 INFO L280 TraceCheckUtils]: 46: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:48:48,323 INFO L280 TraceCheckUtils]: 47: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-11 00:48:48,324 INFO L280 TraceCheckUtils]: 48: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-11 00:48:48,324 INFO L280 TraceCheckUtils]: 49: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-11 00:48:48,324 INFO L280 TraceCheckUtils]: 50: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:48:48,324 INFO L275 TraceCheckUtils]: 51: Hoare quadruple {3573#true} {3574#false} #71#return; {3574#false} is VALID [2020-07-11 00:48:48,324 INFO L280 TraceCheckUtils]: 52: Hoare triple {3574#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3574#false} is VALID [2020-07-11 00:48:48,325 INFO L280 TraceCheckUtils]: 53: Hoare triple {3574#false} #res := #t~ret0 + #t~ret1; {3574#false} is VALID [2020-07-11 00:48:48,325 INFO L280 TraceCheckUtils]: 54: Hoare triple {3574#false} havoc #t~ret0; {3574#false} is VALID [2020-07-11 00:48:48,325 INFO L280 TraceCheckUtils]: 55: Hoare triple {3574#false} havoc #t~ret1; {3574#false} is VALID [2020-07-11 00:48:48,325 INFO L280 TraceCheckUtils]: 56: Hoare triple {3574#false} assume true; {3574#false} is VALID [2020-07-11 00:48:48,325 INFO L275 TraceCheckUtils]: 57: Hoare quadruple {3574#false} {3577#(<= 5 main_~x~0)} #63#return; {3574#false} is VALID [2020-07-11 00:48:48,329 INFO L263 TraceCheckUtils]: 0: Hoare triple {3573#true} call ULTIMATE.init(); {3573#true} is VALID [2020-07-11 00:48:48,329 INFO L280 TraceCheckUtils]: 1: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:48:48,329 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3573#true} {3573#true} #59#return; {3573#true} is VALID [2020-07-11 00:48:48,329 INFO L263 TraceCheckUtils]: 3: Hoare triple {3573#true} call #t~ret5 := main(); {3573#true} is VALID [2020-07-11 00:48:48,330 INFO L280 TraceCheckUtils]: 4: Hoare triple {3573#true} ~x~0 := 5; {3577#(<= 5 main_~x~0)} is VALID [2020-07-11 00:48:48,330 INFO L263 TraceCheckUtils]: 5: Hoare triple {3577#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {3573#true} is VALID [2020-07-11 00:48:48,331 INFO L280 TraceCheckUtils]: 6: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:48:48,331 INFO L280 TraceCheckUtils]: 7: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-11 00:48:48,331 INFO L280 TraceCheckUtils]: 8: Hoare triple {3573#true} assume !(1 == ~n); {3573#true} is VALID [2020-07-11 00:48:48,331 INFO L263 TraceCheckUtils]: 9: Hoare triple {3573#true} call #t~ret0 := fibo2(~n - 1); {3573#true} is VALID [2020-07-11 00:48:48,331 INFO L280 TraceCheckUtils]: 10: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:48:48,332 INFO L280 TraceCheckUtils]: 11: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-11 00:48:48,332 INFO L280 TraceCheckUtils]: 12: Hoare triple {3573#true} assume !(1 == ~n); {3573#true} is VALID [2020-07-11 00:48:48,332 INFO L263 TraceCheckUtils]: 13: Hoare triple {3573#true} call #t~ret2 := fibo1(~n - 1); {3573#true} is VALID [2020-07-11 00:48:48,333 INFO L280 TraceCheckUtils]: 14: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:48,333 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 00:48:48,334 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 00:48:48,334 INFO L263 TraceCheckUtils]: 17: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {3573#true} is VALID [2020-07-11 00:48:48,335 INFO L280 TraceCheckUtils]: 18: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:48:48,335 INFO L280 TraceCheckUtils]: 19: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-11 00:48:48,335 INFO L280 TraceCheckUtils]: 20: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-11 00:48:48,335 INFO L280 TraceCheckUtils]: 21: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-11 00:48:48,335 INFO L280 TraceCheckUtils]: 22: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:48:48,336 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 00:48:48,337 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 00:48:48,337 INFO L263 TraceCheckUtils]: 25: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3573#true} is VALID [2020-07-11 00:48:48,337 INFO L280 TraceCheckUtils]: 26: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:48:48,337 INFO L280 TraceCheckUtils]: 27: Hoare triple {3573#true} assume ~n < 1; {3573#true} is VALID [2020-07-11 00:48:48,338 INFO L280 TraceCheckUtils]: 28: Hoare triple {3573#true} #res := 0; {3573#true} is VALID [2020-07-11 00:48:48,338 INFO L280 TraceCheckUtils]: 29: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:48:48,339 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 00:48:48,339 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 00:48:48,340 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 00:48:48,340 INFO L280 TraceCheckUtils]: 33: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:48,341 INFO L280 TraceCheckUtils]: 34: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:48,341 INFO L280 TraceCheckUtils]: 35: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume true; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:48,342 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {3713#(<= 2 |fibo1_#in~n|)} {3573#true} #65#return; {3705#(<= 3 fibo2_~n)} is VALID [2020-07-11 00:48:48,343 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 00:48:48,343 INFO L263 TraceCheckUtils]: 38: Hoare triple {3705#(<= 3 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {3573#true} is VALID [2020-07-11 00:48:48,344 INFO L280 TraceCheckUtils]: 39: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:48,344 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 00:48:48,345 INFO L280 TraceCheckUtils]: 41: Hoare triple {3725#(<= |fibo1_#in~n| 0)} #res := 0; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:48:48,345 INFO L280 TraceCheckUtils]: 42: Hoare triple {3725#(<= |fibo1_#in~n| 0)} assume true; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-11 00:48:48,347 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {3725#(<= |fibo1_#in~n| 0)} {3705#(<= 3 fibo2_~n)} #67#return; {3574#false} is VALID [2020-07-11 00:48:48,347 INFO L280 TraceCheckUtils]: 44: Hoare triple {3574#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {3574#false} is VALID [2020-07-11 00:48:48,347 INFO L280 TraceCheckUtils]: 45: Hoare triple {3574#false} #res := #t~ret2 + #t~ret3; {3574#false} is VALID [2020-07-11 00:48:48,347 INFO L280 TraceCheckUtils]: 46: Hoare triple {3574#false} havoc #t~ret3; {3574#false} is VALID [2020-07-11 00:48:48,347 INFO L280 TraceCheckUtils]: 47: Hoare triple {3574#false} havoc #t~ret2; {3574#false} is VALID [2020-07-11 00:48:48,347 INFO L280 TraceCheckUtils]: 48: Hoare triple {3574#false} assume true; {3574#false} is VALID [2020-07-11 00:48:48,348 INFO L275 TraceCheckUtils]: 49: Hoare quadruple {3574#false} {3573#true} #69#return; {3574#false} is VALID [2020-07-11 00:48:48,348 INFO L280 TraceCheckUtils]: 50: Hoare triple {3574#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3574#false} is VALID [2020-07-11 00:48:48,348 INFO L263 TraceCheckUtils]: 51: Hoare triple {3574#false} call #t~ret1 := fibo2(~n - 2); {3573#true} is VALID [2020-07-11 00:48:48,348 INFO L280 TraceCheckUtils]: 52: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-11 00:48:48,348 INFO L280 TraceCheckUtils]: 53: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-11 00:48:48,349 INFO L280 TraceCheckUtils]: 54: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-11 00:48:48,349 INFO L280 TraceCheckUtils]: 55: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-11 00:48:48,349 INFO L280 TraceCheckUtils]: 56: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-11 00:48:48,349 INFO L275 TraceCheckUtils]: 57: Hoare quadruple {3573#true} {3574#false} #71#return; {3574#false} is VALID [2020-07-11 00:48:48,349 INFO L280 TraceCheckUtils]: 58: Hoare triple {3574#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3574#false} is VALID [2020-07-11 00:48:48,350 INFO L280 TraceCheckUtils]: 59: Hoare triple {3574#false} #res := #t~ret0 + #t~ret1; {3574#false} is VALID [2020-07-11 00:48:48,350 INFO L280 TraceCheckUtils]: 60: Hoare triple {3574#false} havoc #t~ret0; {3574#false} is VALID [2020-07-11 00:48:48,350 INFO L280 TraceCheckUtils]: 61: Hoare triple {3574#false} havoc #t~ret1; {3574#false} is VALID [2020-07-11 00:48:48,350 INFO L280 TraceCheckUtils]: 62: Hoare triple {3574#false} assume true; {3574#false} is VALID [2020-07-11 00:48:48,350 INFO L275 TraceCheckUtils]: 63: Hoare quadruple {3574#false} {3577#(<= 5 main_~x~0)} #63#return; {3574#false} is VALID [2020-07-11 00:48:48,350 INFO L280 TraceCheckUtils]: 64: Hoare triple {3574#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {3574#false} is VALID [2020-07-11 00:48:48,351 INFO L280 TraceCheckUtils]: 65: Hoare triple {3574#false} ~result~0 := #t~ret4; {3574#false} is VALID [2020-07-11 00:48:48,351 INFO L280 TraceCheckUtils]: 66: Hoare triple {3574#false} havoc #t~ret4; {3574#false} is VALID [2020-07-11 00:48:48,351 INFO L280 TraceCheckUtils]: 67: Hoare triple {3574#false} assume 5 == ~result~0; {3574#false} is VALID [2020-07-11 00:48:48,351 INFO L280 TraceCheckUtils]: 68: Hoare triple {3574#false} assume !false; {3574#false} is VALID [2020-07-11 00:48:48,355 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 00:48:48,356 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [183584297] [2020-07-11 00:48:48,356 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 00:48:48,356 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-07-11 00:48:48,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120883429] [2020-07-11 00:48:48,357 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 69 [2020-07-11 00:48:48,357 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:48:48,357 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-11 00:48:48,420 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 00:48:48,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-11 00:48:48,421 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:48:48,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-11 00:48:48,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-11 00:48:48,422 INFO L87 Difference]: Start difference. First operand 106 states and 145 transitions. Second operand 8 states. [2020-07-11 00:48:49,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:49,188 INFO L93 Difference]: Finished difference Result 227 states and 348 transitions. [2020-07-11 00:48:49,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-11 00:48:49,188 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 69 [2020-07-11 00:48:49,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:48:49,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-11 00:48:49,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 113 transitions. [2020-07-11 00:48:49,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-11 00:48:49,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 113 transitions. [2020-07-11 00:48:49,196 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 113 transitions. [2020-07-11 00:48:49,310 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 00:48:49,316 INFO L225 Difference]: With dead ends: 227 [2020-07-11 00:48:49,316 INFO L226 Difference]: Without dead ends: 127 [2020-07-11 00:48:49,317 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 00:48:49,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-07-11 00:48:49,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 115. [2020-07-11 00:48:49,563 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:48:49,563 INFO L82 GeneralOperation]: Start isEquivalent. First operand 127 states. Second operand 115 states. [2020-07-11 00:48:49,563 INFO L74 IsIncluded]: Start isIncluded. First operand 127 states. Second operand 115 states. [2020-07-11 00:48:49,563 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 115 states. [2020-07-11 00:48:49,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:49,572 INFO L93 Difference]: Finished difference Result 127 states and 180 transitions. [2020-07-11 00:48:49,572 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 180 transitions. [2020-07-11 00:48:49,574 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:48:49,574 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:48:49,574 INFO L74 IsIncluded]: Start isIncluded. First operand 115 states. Second operand 127 states. [2020-07-11 00:48:49,574 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 127 states. [2020-07-11 00:48:49,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:49,583 INFO L93 Difference]: Finished difference Result 127 states and 180 transitions. [2020-07-11 00:48:49,583 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 180 transitions. [2020-07-11 00:48:49,585 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:48:49,585 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:48:49,585 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:48:49,585 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:48:49,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-07-11 00:48:49,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 161 transitions. [2020-07-11 00:48:49,592 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 161 transitions. Word has length 69 [2020-07-11 00:48:49,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:48:49,593 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 161 transitions. [2020-07-11 00:48:49,593 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-11 00:48:49,593 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 115 states and 161 transitions. [2020-07-11 00:48:49,838 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 00:48:49,838 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 161 transitions. [2020-07-11 00:48:49,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-11 00:48:49,840 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:48:49,841 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 00:48:49,841 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-11 00:48:49,841 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:48:49,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:48:49,841 INFO L82 PathProgramCache]: Analyzing trace with hash -439633211, now seen corresponding path program 1 times [2020-07-11 00:48:49,842 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:48:49,842 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1410228028] [2020-07-11 00:48:49,842 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:48:49,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:49,904 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:48:49,904 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {4671#true} {4671#true} #59#return; {4671#true} is VALID [2020-07-11 00:48:49,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:50,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:50,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:50,096 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:48:50,097 INFO L280 TraceCheckUtils]: 1: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-11 00:48:50,097 INFO L280 TraceCheckUtils]: 2: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-11 00:48:50,097 INFO L280 TraceCheckUtils]: 3: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-11 00:48:50,098 INFO L280 TraceCheckUtils]: 4: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:48:50,099 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 00:48:50,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:50,105 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:48:50,105 INFO L280 TraceCheckUtils]: 1: Hoare triple {4671#true} assume ~n < 1; {4671#true} is VALID [2020-07-11 00:48:50,105 INFO L280 TraceCheckUtils]: 2: Hoare triple {4671#true} #res := 0; {4671#true} is VALID [2020-07-11 00:48:50,106 INFO L280 TraceCheckUtils]: 3: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:48:50,107 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 00:48:50,107 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} ~n := #in~n; {4814#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:50,108 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 00:48:50,109 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 00:48:50,110 INFO L263 TraceCheckUtils]: 3: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4671#true} is VALID [2020-07-11 00:48:50,110 INFO L280 TraceCheckUtils]: 4: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:48:50,110 INFO L280 TraceCheckUtils]: 5: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-11 00:48:50,110 INFO L280 TraceCheckUtils]: 6: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-11 00:48:50,111 INFO L280 TraceCheckUtils]: 7: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-11 00:48:50,111 INFO L280 TraceCheckUtils]: 8: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:48:50,112 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 00:48:50,112 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 00:48:50,113 INFO L263 TraceCheckUtils]: 11: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4671#true} is VALID [2020-07-11 00:48:50,113 INFO L280 TraceCheckUtils]: 12: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:48:50,113 INFO L280 TraceCheckUtils]: 13: Hoare triple {4671#true} assume ~n < 1; {4671#true} is VALID [2020-07-11 00:48:50,114 INFO L280 TraceCheckUtils]: 14: Hoare triple {4671#true} #res := 0; {4671#true} is VALID [2020-07-11 00:48:50,114 INFO L280 TraceCheckUtils]: 15: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:48:50,115 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 00:48:50,116 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 00:48:50,117 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 00:48:50,118 INFO L280 TraceCheckUtils]: 19: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:50,119 INFO L280 TraceCheckUtils]: 20: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:50,119 INFO L280 TraceCheckUtils]: 21: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume true; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:50,121 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 00:48:50,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:50,129 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:48:50,129 INFO L280 TraceCheckUtils]: 1: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-11 00:48:50,129 INFO L280 TraceCheckUtils]: 2: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-11 00:48:50,130 INFO L280 TraceCheckUtils]: 3: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-11 00:48:50,130 INFO L280 TraceCheckUtils]: 4: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:48:50,131 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 00:48:50,132 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} ~n := #in~n; {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:50,133 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 00:48:50,134 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 00:48:50,135 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 00:48:50,135 INFO L280 TraceCheckUtils]: 4: Hoare triple {4671#true} ~n := #in~n; {4814#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:50,136 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 00:48:50,137 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 00:48:50,138 INFO L263 TraceCheckUtils]: 7: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4671#true} is VALID [2020-07-11 00:48:50,138 INFO L280 TraceCheckUtils]: 8: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:48:50,138 INFO L280 TraceCheckUtils]: 9: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-11 00:48:50,138 INFO L280 TraceCheckUtils]: 10: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-11 00:48:50,139 INFO L280 TraceCheckUtils]: 11: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-11 00:48:50,139 INFO L280 TraceCheckUtils]: 12: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:48:50,140 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 00:48:50,141 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 00:48:50,141 INFO L263 TraceCheckUtils]: 15: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4671#true} is VALID [2020-07-11 00:48:50,141 INFO L280 TraceCheckUtils]: 16: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:48:50,141 INFO L280 TraceCheckUtils]: 17: Hoare triple {4671#true} assume ~n < 1; {4671#true} is VALID [2020-07-11 00:48:50,142 INFO L280 TraceCheckUtils]: 18: Hoare triple {4671#true} #res := 0; {4671#true} is VALID [2020-07-11 00:48:50,142 INFO L280 TraceCheckUtils]: 19: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:48:50,143 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 00:48:50,143 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 00:48:50,144 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 00:48:50,145 INFO L280 TraceCheckUtils]: 23: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:50,145 INFO L280 TraceCheckUtils]: 24: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:50,146 INFO L280 TraceCheckUtils]: 25: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume true; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:50,147 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 00:48:50,148 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 00:48:50,148 INFO L263 TraceCheckUtils]: 28: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4671#true} is VALID [2020-07-11 00:48:50,148 INFO L280 TraceCheckUtils]: 29: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:48:50,149 INFO L280 TraceCheckUtils]: 30: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-11 00:48:50,149 INFO L280 TraceCheckUtils]: 31: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-11 00:48:50,149 INFO L280 TraceCheckUtils]: 32: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-11 00:48:50,150 INFO L280 TraceCheckUtils]: 33: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:48:50,151 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 00:48:50,152 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 00:48:50,152 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 00:48:50,153 INFO L280 TraceCheckUtils]: 37: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} havoc #t~ret3; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:50,154 INFO L280 TraceCheckUtils]: 38: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} havoc #t~ret2; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:50,155 INFO L280 TraceCheckUtils]: 39: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} assume true; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:50,156 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {4807#(<= 3 |fibo2_#in~n|)} {4671#true} #69#return; {4776#(<= 4 fibo1_~n)} is VALID [2020-07-11 00:48:50,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:50,185 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} ~n := #in~n; {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:50,186 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 00:48:50,187 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 00:48:50,188 INFO L280 TraceCheckUtils]: 3: Hoare triple {4828#(<= |fibo2_#in~n| 1)} #res := 1; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:50,189 INFO L280 TraceCheckUtils]: 4: Hoare triple {4828#(<= |fibo2_#in~n| 1)} assume true; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:50,190 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {4828#(<= |fibo2_#in~n| 1)} {4776#(<= 4 fibo1_~n)} #71#return; {4672#false} is VALID [2020-07-11 00:48:50,191 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:48:50,191 INFO L280 TraceCheckUtils]: 1: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-11 00:48:50,191 INFO L280 TraceCheckUtils]: 2: Hoare triple {4671#true} assume !(1 == ~n); {4671#true} is VALID [2020-07-11 00:48:50,192 INFO L263 TraceCheckUtils]: 3: Hoare triple {4671#true} call #t~ret0 := fibo2(~n - 1); {4671#true} is VALID [2020-07-11 00:48:50,193 INFO L280 TraceCheckUtils]: 4: Hoare triple {4671#true} ~n := #in~n; {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:50,193 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 00:48:50,194 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 00:48:50,194 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 00:48:50,195 INFO L280 TraceCheckUtils]: 8: Hoare triple {4671#true} ~n := #in~n; {4814#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:50,196 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 00:48:50,197 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 00:48:50,198 INFO L263 TraceCheckUtils]: 11: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4671#true} is VALID [2020-07-11 00:48:50,198 INFO L280 TraceCheckUtils]: 12: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:48:50,198 INFO L280 TraceCheckUtils]: 13: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-11 00:48:50,199 INFO L280 TraceCheckUtils]: 14: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-11 00:48:50,199 INFO L280 TraceCheckUtils]: 15: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-11 00:48:50,199 INFO L280 TraceCheckUtils]: 16: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:48:50,200 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 00:48:50,201 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 00:48:50,201 INFO L263 TraceCheckUtils]: 19: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4671#true} is VALID [2020-07-11 00:48:50,201 INFO L280 TraceCheckUtils]: 20: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:48:50,202 INFO L280 TraceCheckUtils]: 21: Hoare triple {4671#true} assume ~n < 1; {4671#true} is VALID [2020-07-11 00:48:50,202 INFO L280 TraceCheckUtils]: 22: Hoare triple {4671#true} #res := 0; {4671#true} is VALID [2020-07-11 00:48:50,202 INFO L280 TraceCheckUtils]: 23: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:48:50,203 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 00:48:50,204 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 00:48:50,204 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 00:48:50,205 INFO L280 TraceCheckUtils]: 27: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:50,205 INFO L280 TraceCheckUtils]: 28: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:50,206 INFO L280 TraceCheckUtils]: 29: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume true; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:50,207 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 00:48:50,208 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 00:48:50,208 INFO L263 TraceCheckUtils]: 32: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4671#true} is VALID [2020-07-11 00:48:50,208 INFO L280 TraceCheckUtils]: 33: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:48:50,208 INFO L280 TraceCheckUtils]: 34: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-11 00:48:50,208 INFO L280 TraceCheckUtils]: 35: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-11 00:48:50,209 INFO L280 TraceCheckUtils]: 36: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-11 00:48:50,209 INFO L280 TraceCheckUtils]: 37: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:48:50,210 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 00:48:50,211 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 00:48:50,211 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 00:48:50,212 INFO L280 TraceCheckUtils]: 41: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} havoc #t~ret3; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:50,213 INFO L280 TraceCheckUtils]: 42: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} havoc #t~ret2; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:50,214 INFO L280 TraceCheckUtils]: 43: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} assume true; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:50,215 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {4807#(<= 3 |fibo2_#in~n|)} {4671#true} #69#return; {4776#(<= 4 fibo1_~n)} is VALID [2020-07-11 00:48:50,216 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 00:48:50,216 INFO L263 TraceCheckUtils]: 46: Hoare triple {4776#(<= 4 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {4671#true} is VALID [2020-07-11 00:48:50,217 INFO L280 TraceCheckUtils]: 47: Hoare triple {4671#true} ~n := #in~n; {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:50,218 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 00:48:50,219 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 00:48:50,219 INFO L280 TraceCheckUtils]: 50: Hoare triple {4828#(<= |fibo2_#in~n| 1)} #res := 1; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:50,220 INFO L280 TraceCheckUtils]: 51: Hoare triple {4828#(<= |fibo2_#in~n| 1)} assume true; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:50,222 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {4828#(<= |fibo2_#in~n| 1)} {4776#(<= 4 fibo1_~n)} #71#return; {4672#false} is VALID [2020-07-11 00:48:50,222 INFO L280 TraceCheckUtils]: 53: Hoare triple {4672#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {4672#false} is VALID [2020-07-11 00:48:50,222 INFO L280 TraceCheckUtils]: 54: Hoare triple {4672#false} #res := #t~ret0 + #t~ret1; {4672#false} is VALID [2020-07-11 00:48:50,223 INFO L280 TraceCheckUtils]: 55: Hoare triple {4672#false} havoc #t~ret0; {4672#false} is VALID [2020-07-11 00:48:50,223 INFO L280 TraceCheckUtils]: 56: Hoare triple {4672#false} havoc #t~ret1; {4672#false} is VALID [2020-07-11 00:48:50,223 INFO L280 TraceCheckUtils]: 57: Hoare triple {4672#false} assume true; {4672#false} is VALID [2020-07-11 00:48:50,224 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {4672#false} {4675#(<= 5 main_~x~0)} #63#return; {4672#false} is VALID [2020-07-11 00:48:50,229 INFO L263 TraceCheckUtils]: 0: Hoare triple {4671#true} call ULTIMATE.init(); {4671#true} is VALID [2020-07-11 00:48:50,229 INFO L280 TraceCheckUtils]: 1: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:48:50,229 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4671#true} {4671#true} #59#return; {4671#true} is VALID [2020-07-11 00:48:50,230 INFO L263 TraceCheckUtils]: 3: Hoare triple {4671#true} call #t~ret5 := main(); {4671#true} is VALID [2020-07-11 00:48:50,230 INFO L280 TraceCheckUtils]: 4: Hoare triple {4671#true} ~x~0 := 5; {4675#(<= 5 main_~x~0)} is VALID [2020-07-11 00:48:50,231 INFO L263 TraceCheckUtils]: 5: Hoare triple {4675#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {4671#true} is VALID [2020-07-11 00:48:50,231 INFO L280 TraceCheckUtils]: 6: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:48:50,231 INFO L280 TraceCheckUtils]: 7: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-11 00:48:50,231 INFO L280 TraceCheckUtils]: 8: Hoare triple {4671#true} assume !(1 == ~n); {4671#true} is VALID [2020-07-11 00:48:50,231 INFO L263 TraceCheckUtils]: 9: Hoare triple {4671#true} call #t~ret0 := fibo2(~n - 1); {4671#true} is VALID [2020-07-11 00:48:50,232 INFO L280 TraceCheckUtils]: 10: Hoare triple {4671#true} ~n := #in~n; {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:50,233 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 00:48:50,233 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 00:48:50,233 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 00:48:50,234 INFO L280 TraceCheckUtils]: 14: Hoare triple {4671#true} ~n := #in~n; {4814#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:50,235 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 00:48:50,236 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 00:48:50,236 INFO L263 TraceCheckUtils]: 17: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4671#true} is VALID [2020-07-11 00:48:50,236 INFO L280 TraceCheckUtils]: 18: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:48:50,236 INFO L280 TraceCheckUtils]: 19: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-11 00:48:50,236 INFO L280 TraceCheckUtils]: 20: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-11 00:48:50,236 INFO L280 TraceCheckUtils]: 21: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-11 00:48:50,237 INFO L280 TraceCheckUtils]: 22: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:48:50,238 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 00:48:50,238 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 00:48:50,238 INFO L263 TraceCheckUtils]: 25: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4671#true} is VALID [2020-07-11 00:48:50,238 INFO L280 TraceCheckUtils]: 26: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:48:50,239 INFO L280 TraceCheckUtils]: 27: Hoare triple {4671#true} assume ~n < 1; {4671#true} is VALID [2020-07-11 00:48:50,239 INFO L280 TraceCheckUtils]: 28: Hoare triple {4671#true} #res := 0; {4671#true} is VALID [2020-07-11 00:48:50,239 INFO L280 TraceCheckUtils]: 29: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:48:50,240 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 00:48:50,241 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 00:48:50,241 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 00:48:50,242 INFO L280 TraceCheckUtils]: 33: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:50,243 INFO L280 TraceCheckUtils]: 34: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:50,243 INFO L280 TraceCheckUtils]: 35: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume true; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:50,244 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 00:48:50,245 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 00:48:50,245 INFO L263 TraceCheckUtils]: 38: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4671#true} is VALID [2020-07-11 00:48:50,245 INFO L280 TraceCheckUtils]: 39: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-11 00:48:50,245 INFO L280 TraceCheckUtils]: 40: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-11 00:48:50,245 INFO L280 TraceCheckUtils]: 41: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-11 00:48:50,246 INFO L280 TraceCheckUtils]: 42: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-11 00:48:50,246 INFO L280 TraceCheckUtils]: 43: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-11 00:48:50,246 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 00:48:50,247 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 00:48:50,247 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 00:48:50,248 INFO L280 TraceCheckUtils]: 47: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} havoc #t~ret3; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:50,248 INFO L280 TraceCheckUtils]: 48: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} havoc #t~ret2; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:50,249 INFO L280 TraceCheckUtils]: 49: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} assume true; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:50,250 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {4807#(<= 3 |fibo2_#in~n|)} {4671#true} #69#return; {4776#(<= 4 fibo1_~n)} is VALID [2020-07-11 00:48:50,251 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 00:48:50,251 INFO L263 TraceCheckUtils]: 52: Hoare triple {4776#(<= 4 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {4671#true} is VALID [2020-07-11 00:48:50,251 INFO L280 TraceCheckUtils]: 53: Hoare triple {4671#true} ~n := #in~n; {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:50,252 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 00:48:50,252 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 00:48:50,253 INFO L280 TraceCheckUtils]: 56: Hoare triple {4828#(<= |fibo2_#in~n| 1)} #res := 1; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:50,254 INFO L280 TraceCheckUtils]: 57: Hoare triple {4828#(<= |fibo2_#in~n| 1)} assume true; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:50,255 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {4828#(<= |fibo2_#in~n| 1)} {4776#(<= 4 fibo1_~n)} #71#return; {4672#false} is VALID [2020-07-11 00:48:50,255 INFO L280 TraceCheckUtils]: 59: Hoare triple {4672#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {4672#false} is VALID [2020-07-11 00:48:50,255 INFO L280 TraceCheckUtils]: 60: Hoare triple {4672#false} #res := #t~ret0 + #t~ret1; {4672#false} is VALID [2020-07-11 00:48:50,255 INFO L280 TraceCheckUtils]: 61: Hoare triple {4672#false} havoc #t~ret0; {4672#false} is VALID [2020-07-11 00:48:50,255 INFO L280 TraceCheckUtils]: 62: Hoare triple {4672#false} havoc #t~ret1; {4672#false} is VALID [2020-07-11 00:48:50,256 INFO L280 TraceCheckUtils]: 63: Hoare triple {4672#false} assume true; {4672#false} is VALID [2020-07-11 00:48:50,256 INFO L275 TraceCheckUtils]: 64: Hoare quadruple {4672#false} {4675#(<= 5 main_~x~0)} #63#return; {4672#false} is VALID [2020-07-11 00:48:50,256 INFO L280 TraceCheckUtils]: 65: Hoare triple {4672#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {4672#false} is VALID [2020-07-11 00:48:50,256 INFO L280 TraceCheckUtils]: 66: Hoare triple {4672#false} ~result~0 := #t~ret4; {4672#false} is VALID [2020-07-11 00:48:50,256 INFO L280 TraceCheckUtils]: 67: Hoare triple {4672#false} havoc #t~ret4; {4672#false} is VALID [2020-07-11 00:48:50,257 INFO L280 TraceCheckUtils]: 68: Hoare triple {4672#false} assume 5 == ~result~0; {4672#false} is VALID [2020-07-11 00:48:50,257 INFO L280 TraceCheckUtils]: 69: Hoare triple {4672#false} assume !false; {4672#false} is VALID [2020-07-11 00:48:50,261 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 00:48:50,262 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1410228028] [2020-07-11 00:48:50,262 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 00:48:50,262 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-07-11 00:48:50,267 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86303504] [2020-07-11 00:48:50,268 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 70 [2020-07-11 00:48:50,269 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:48:50,269 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2020-07-11 00:48:50,339 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 00:48:50,339 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-11 00:48:50,339 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:48:50,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-11 00:48:50,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-07-11 00:48:50,340 INFO L87 Difference]: Start difference. First operand 115 states and 161 transitions. Second operand 10 states. [2020-07-11 00:48:51,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:51,444 INFO L93 Difference]: Finished difference Result 257 states and 400 transitions. [2020-07-11 00:48:51,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-11 00:48:51,445 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 70 [2020-07-11 00:48:51,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:48:51,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-11 00:48:51,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 127 transitions. [2020-07-11 00:48:51,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-11 00:48:51,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 127 transitions. [2020-07-11 00:48:51,452 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 127 transitions. [2020-07-11 00:48:51,602 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 00:48:51,608 INFO L225 Difference]: With dead ends: 257 [2020-07-11 00:48:51,608 INFO L226 Difference]: Without dead ends: 151 [2020-07-11 00:48:51,610 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 00:48:51,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-07-11 00:48:51,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 133. [2020-07-11 00:48:51,908 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:48:51,908 INFO L82 GeneralOperation]: Start isEquivalent. First operand 151 states. Second operand 133 states. [2020-07-11 00:48:51,908 INFO L74 IsIncluded]: Start isIncluded. First operand 151 states. Second operand 133 states. [2020-07-11 00:48:51,908 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 133 states. [2020-07-11 00:48:51,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:51,917 INFO L93 Difference]: Finished difference Result 151 states and 217 transitions. [2020-07-11 00:48:51,917 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 217 transitions. [2020-07-11 00:48:51,919 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:48:51,919 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:48:51,919 INFO L74 IsIncluded]: Start isIncluded. First operand 133 states. Second operand 151 states. [2020-07-11 00:48:51,919 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 151 states. [2020-07-11 00:48:51,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:51,927 INFO L93 Difference]: Finished difference Result 151 states and 217 transitions. [2020-07-11 00:48:51,927 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 217 transitions. [2020-07-11 00:48:51,929 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:48:51,929 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:48:51,929 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:48:51,929 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:48:51,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-07-11 00:48:51,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 191 transitions. [2020-07-11 00:48:51,936 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 191 transitions. Word has length 70 [2020-07-11 00:48:51,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:48:51,936 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 191 transitions. [2020-07-11 00:48:51,936 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-11 00:48:51,936 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 133 states and 191 transitions. [2020-07-11 00:48:52,214 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 00:48:52,215 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 191 transitions. [2020-07-11 00:48:52,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-07-11 00:48:52,217 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:48:52,217 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 00:48:52,218 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-11 00:48:52,218 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:48:52,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:48:52,218 INFO L82 PathProgramCache]: Analyzing trace with hash 307755032, now seen corresponding path program 2 times [2020-07-11 00:48:52,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:48:52,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [13924527] [2020-07-11 00:48:52,219 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:48:52,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:52,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:52,267 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:52,268 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {5924#true} {5924#true} #59#return; {5924#true} is VALID [2020-07-11 00:48:52,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:52,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:52,422 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:52,423 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 00:48:52,423 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 00:48:52,424 INFO L280 TraceCheckUtils]: 3: Hoare triple {6150#(<= |fibo2_#in~n| 1)} #res := 1; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:52,427 INFO L280 TraceCheckUtils]: 4: Hoare triple {6150#(<= |fibo2_#in~n| 1)} assume true; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:52,428 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 00:48:52,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:52,437 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:52,437 INFO L280 TraceCheckUtils]: 1: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-11 00:48:52,438 INFO L280 TraceCheckUtils]: 2: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-11 00:48:52,438 INFO L280 TraceCheckUtils]: 3: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:52,439 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 00:48:52,441 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:52,441 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 00:48:52,441 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 00:48:52,442 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 00:48:52,442 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:52,443 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 00:48:52,443 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 00:48:52,444 INFO L280 TraceCheckUtils]: 7: Hoare triple {6150#(<= |fibo2_#in~n| 1)} #res := 1; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:52,444 INFO L280 TraceCheckUtils]: 8: Hoare triple {6150#(<= |fibo2_#in~n| 1)} assume true; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:52,445 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 00:48:52,445 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 00:48:52,446 INFO L263 TraceCheckUtils]: 11: Hoare triple {6144#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-11 00:48:52,446 INFO L280 TraceCheckUtils]: 12: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:52,446 INFO L280 TraceCheckUtils]: 13: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-11 00:48:52,446 INFO L280 TraceCheckUtils]: 14: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-11 00:48:52,447 INFO L280 TraceCheckUtils]: 15: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:52,448 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 00:48:52,449 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 00:48:52,449 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 00:48:52,450 INFO L280 TraceCheckUtils]: 19: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret0; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:52,451 INFO L280 TraceCheckUtils]: 20: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret1; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:52,451 INFO L280 TraceCheckUtils]: 21: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume true; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:52,452 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 00:48:52,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:52,462 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:52,462 INFO L280 TraceCheckUtils]: 1: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:48:52,462 INFO L280 TraceCheckUtils]: 2: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-11 00:48:52,462 INFO L280 TraceCheckUtils]: 3: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-11 00:48:52,463 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:52,464 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 00:48:52,465 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:52,465 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 00:48:52,466 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 00:48:52,466 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 00:48:52,467 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:52,468 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 00:48:52,468 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 00:48:52,468 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 00:48:52,469 INFO L280 TraceCheckUtils]: 8: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:52,470 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 00:48:52,471 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 00:48:52,471 INFO L280 TraceCheckUtils]: 11: Hoare triple {6150#(<= |fibo2_#in~n| 1)} #res := 1; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:52,472 INFO L280 TraceCheckUtils]: 12: Hoare triple {6150#(<= |fibo2_#in~n| 1)} assume true; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:52,473 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 00:48:52,474 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 00:48:52,474 INFO L263 TraceCheckUtils]: 15: Hoare triple {6144#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-11 00:48:52,475 INFO L280 TraceCheckUtils]: 16: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:52,475 INFO L280 TraceCheckUtils]: 17: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-11 00:48:52,475 INFO L280 TraceCheckUtils]: 18: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-11 00:48:52,475 INFO L280 TraceCheckUtils]: 19: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:52,477 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 00:48:52,477 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 00:48:52,478 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 00:48:52,479 INFO L280 TraceCheckUtils]: 23: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret0; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:52,479 INFO L280 TraceCheckUtils]: 24: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret1; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:52,480 INFO L280 TraceCheckUtils]: 25: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume true; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:52,481 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 00:48:52,482 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 00:48:52,482 INFO L263 TraceCheckUtils]: 28: Hoare triple {6130#(<= |fibo2_#in~n| 3)} call #t~ret3 := fibo1(~n - 2); {5924#true} is VALID [2020-07-11 00:48:52,483 INFO L280 TraceCheckUtils]: 29: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:52,483 INFO L280 TraceCheckUtils]: 30: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:48:52,483 INFO L280 TraceCheckUtils]: 31: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-11 00:48:52,484 INFO L280 TraceCheckUtils]: 32: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-11 00:48:52,484 INFO L280 TraceCheckUtils]: 33: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:52,485 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 00:48:52,486 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 00:48:52,487 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 00:48:52,501 INFO L280 TraceCheckUtils]: 37: Hoare triple {6130#(<= |fibo2_#in~n| 3)} havoc #t~ret3; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:48:52,502 INFO L280 TraceCheckUtils]: 38: Hoare triple {6130#(<= |fibo2_#in~n| 3)} havoc #t~ret2; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:48:52,502 INFO L280 TraceCheckUtils]: 39: Hoare triple {6130#(<= |fibo2_#in~n| 3)} assume true; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:48:52,504 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {6130#(<= |fibo2_#in~n| 3)} {5924#true} #69#return; {6064#(<= fibo1_~n 4)} is VALID [2020-07-11 00:48:52,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:52,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:52,593 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:52,594 INFO L280 TraceCheckUtils]: 1: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:48:52,594 INFO L280 TraceCheckUtils]: 2: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-11 00:48:52,595 INFO L280 TraceCheckUtils]: 3: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-11 00:48:52,595 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:52,596 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 00:48:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:52,601 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:52,602 INFO L280 TraceCheckUtils]: 1: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-11 00:48:52,602 INFO L280 TraceCheckUtils]: 2: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-11 00:48:52,602 INFO L280 TraceCheckUtils]: 3: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:52,603 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 00:48:52,604 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:52,605 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 00:48:52,606 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 00:48:52,607 INFO L263 TraceCheckUtils]: 3: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-11 00:48:52,607 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:52,607 INFO L280 TraceCheckUtils]: 5: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:48:52,608 INFO L280 TraceCheckUtils]: 6: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-11 00:48:52,608 INFO L280 TraceCheckUtils]: 7: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-11 00:48:52,608 INFO L280 TraceCheckUtils]: 8: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:52,609 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 00:48:52,610 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 00:48:52,611 INFO L263 TraceCheckUtils]: 11: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-11 00:48:52,611 INFO L280 TraceCheckUtils]: 12: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:52,611 INFO L280 TraceCheckUtils]: 13: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-11 00:48:52,612 INFO L280 TraceCheckUtils]: 14: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-11 00:48:52,612 INFO L280 TraceCheckUtils]: 15: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:52,613 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 00:48:52,614 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 00:48:52,615 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 00:48:52,616 INFO L280 TraceCheckUtils]: 19: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:52,616 INFO L280 TraceCheckUtils]: 20: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:52,617 INFO L280 TraceCheckUtils]: 21: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume true; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:52,618 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 00:48:52,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:52,624 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:52,624 INFO L280 TraceCheckUtils]: 1: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:48:52,624 INFO L280 TraceCheckUtils]: 2: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-11 00:48:52,624 INFO L280 TraceCheckUtils]: 3: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-11 00:48:52,625 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:52,626 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 00:48:52,626 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:52,627 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 00:48:52,627 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 00:48:52,627 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 00:48:52,628 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:52,629 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 00:48:52,630 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 00:48:52,630 INFO L263 TraceCheckUtils]: 7: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-11 00:48:52,631 INFO L280 TraceCheckUtils]: 8: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:52,631 INFO L280 TraceCheckUtils]: 9: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:48:52,631 INFO L280 TraceCheckUtils]: 10: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-11 00:48:52,632 INFO L280 TraceCheckUtils]: 11: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-11 00:48:52,632 INFO L280 TraceCheckUtils]: 12: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:52,633 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 00:48:52,634 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 00:48:52,634 INFO L263 TraceCheckUtils]: 15: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-11 00:48:52,634 INFO L280 TraceCheckUtils]: 16: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:52,635 INFO L280 TraceCheckUtils]: 17: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-11 00:48:52,635 INFO L280 TraceCheckUtils]: 18: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-11 00:48:52,635 INFO L280 TraceCheckUtils]: 19: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:52,636 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 00:48:52,636 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 00:48:52,637 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 00:48:52,637 INFO L280 TraceCheckUtils]: 23: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:52,638 INFO L280 TraceCheckUtils]: 24: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:52,639 INFO L280 TraceCheckUtils]: 25: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume true; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:52,640 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 00:48:52,640 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 00:48:52,641 INFO L263 TraceCheckUtils]: 28: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {5924#true} is VALID [2020-07-11 00:48:52,641 INFO L280 TraceCheckUtils]: 29: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:52,641 INFO L280 TraceCheckUtils]: 30: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:48:52,641 INFO L280 TraceCheckUtils]: 31: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-11 00:48:52,642 INFO L280 TraceCheckUtils]: 32: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-11 00:48:52,642 INFO L280 TraceCheckUtils]: 33: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:52,643 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 00:48:52,643 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 00:48:52,644 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 00:48:52,644 INFO L280 TraceCheckUtils]: 37: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} havoc #t~ret3; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:52,645 INFO L280 TraceCheckUtils]: 38: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} havoc #t~ret2; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:52,646 INFO L280 TraceCheckUtils]: 39: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} assume true; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:52,647 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {6174#(<= 3 |fibo2_#in~n|)} {6064#(<= fibo1_~n 4)} #71#return; {5925#false} is VALID [2020-07-11 00:48:52,648 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:52,649 INFO L280 TraceCheckUtils]: 1: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:48:52,649 INFO L280 TraceCheckUtils]: 2: Hoare triple {5924#true} assume !(1 == ~n); {5924#true} is VALID [2020-07-11 00:48:52,649 INFO L263 TraceCheckUtils]: 3: Hoare triple {5924#true} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-11 00:48:52,650 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:52,651 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 00:48:52,652 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 00:48:52,652 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 00:48:52,653 INFO L280 TraceCheckUtils]: 8: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:52,654 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 00:48:52,655 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 00:48:52,655 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 00:48:52,656 INFO L280 TraceCheckUtils]: 12: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:52,657 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 00:48:52,658 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 00:48:52,659 INFO L280 TraceCheckUtils]: 15: Hoare triple {6150#(<= |fibo2_#in~n| 1)} #res := 1; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:52,659 INFO L280 TraceCheckUtils]: 16: Hoare triple {6150#(<= |fibo2_#in~n| 1)} assume true; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:52,661 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 00:48:52,662 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 00:48:52,662 INFO L263 TraceCheckUtils]: 19: Hoare triple {6144#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-11 00:48:52,663 INFO L280 TraceCheckUtils]: 20: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:52,663 INFO L280 TraceCheckUtils]: 21: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-11 00:48:52,663 INFO L280 TraceCheckUtils]: 22: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-11 00:48:52,663 INFO L280 TraceCheckUtils]: 23: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:52,664 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 00:48:52,665 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 00:48:52,666 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 00:48:52,666 INFO L280 TraceCheckUtils]: 27: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret0; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:52,667 INFO L280 TraceCheckUtils]: 28: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret1; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:52,668 INFO L280 TraceCheckUtils]: 29: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume true; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:52,670 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 00:48:52,670 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 00:48:52,671 INFO L263 TraceCheckUtils]: 32: Hoare triple {6130#(<= |fibo2_#in~n| 3)} call #t~ret3 := fibo1(~n - 2); {5924#true} is VALID [2020-07-11 00:48:52,671 INFO L280 TraceCheckUtils]: 33: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:52,671 INFO L280 TraceCheckUtils]: 34: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:48:52,672 INFO L280 TraceCheckUtils]: 35: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-11 00:48:52,672 INFO L280 TraceCheckUtils]: 36: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-11 00:48:52,672 INFO L280 TraceCheckUtils]: 37: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:52,674 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 00:48:52,674 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 00:48:52,675 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 00:48:52,676 INFO L280 TraceCheckUtils]: 41: Hoare triple {6130#(<= |fibo2_#in~n| 3)} havoc #t~ret3; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:48:52,677 INFO L280 TraceCheckUtils]: 42: Hoare triple {6130#(<= |fibo2_#in~n| 3)} havoc #t~ret2; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:48:52,677 INFO L280 TraceCheckUtils]: 43: Hoare triple {6130#(<= |fibo2_#in~n| 3)} assume true; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:48:52,679 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {6130#(<= |fibo2_#in~n| 3)} {5924#true} #69#return; {6064#(<= fibo1_~n 4)} is VALID [2020-07-11 00:48:52,680 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 00:48:52,680 INFO L263 TraceCheckUtils]: 46: Hoare triple {6064#(<= fibo1_~n 4)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-11 00:48:52,681 INFO L280 TraceCheckUtils]: 47: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:52,682 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 00:48:52,682 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 00:48:52,683 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 00:48:52,684 INFO L280 TraceCheckUtils]: 51: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:52,685 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 00:48:52,686 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 00:48:52,686 INFO L263 TraceCheckUtils]: 54: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-11 00:48:52,686 INFO L280 TraceCheckUtils]: 55: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:52,686 INFO L280 TraceCheckUtils]: 56: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:48:52,687 INFO L280 TraceCheckUtils]: 57: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-11 00:48:52,687 INFO L280 TraceCheckUtils]: 58: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-11 00:48:52,687 INFO L280 TraceCheckUtils]: 59: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:52,689 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 00:48:52,689 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 00:48:52,690 INFO L263 TraceCheckUtils]: 62: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-11 00:48:52,690 INFO L280 TraceCheckUtils]: 63: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:52,690 INFO L280 TraceCheckUtils]: 64: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-11 00:48:52,691 INFO L280 TraceCheckUtils]: 65: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-11 00:48:52,691 INFO L280 TraceCheckUtils]: 66: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:52,692 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 00:48:52,693 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 00:48:52,693 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 00:48:52,694 INFO L280 TraceCheckUtils]: 70: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:52,695 INFO L280 TraceCheckUtils]: 71: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:52,695 INFO L280 TraceCheckUtils]: 72: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume true; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:52,696 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 00:48:52,697 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 00:48:52,698 INFO L263 TraceCheckUtils]: 75: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {5924#true} is VALID [2020-07-11 00:48:52,698 INFO L280 TraceCheckUtils]: 76: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:52,698 INFO L280 TraceCheckUtils]: 77: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:48:52,699 INFO L280 TraceCheckUtils]: 78: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-11 00:48:52,699 INFO L280 TraceCheckUtils]: 79: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-11 00:48:52,699 INFO L280 TraceCheckUtils]: 80: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:52,701 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 00:48:52,701 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 00:48:52,702 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 00:48:52,703 INFO L280 TraceCheckUtils]: 84: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} havoc #t~ret3; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:52,704 INFO L280 TraceCheckUtils]: 85: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} havoc #t~ret2; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:52,705 INFO L280 TraceCheckUtils]: 86: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} assume true; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:52,706 INFO L275 TraceCheckUtils]: 87: Hoare quadruple {6174#(<= 3 |fibo2_#in~n|)} {6064#(<= fibo1_~n 4)} #71#return; {5925#false} is VALID [2020-07-11 00:48:52,707 INFO L280 TraceCheckUtils]: 88: Hoare triple {5925#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {5925#false} is VALID [2020-07-11 00:48:52,707 INFO L280 TraceCheckUtils]: 89: Hoare triple {5925#false} #res := #t~ret0 + #t~ret1; {5925#false} is VALID [2020-07-11 00:48:52,707 INFO L280 TraceCheckUtils]: 90: Hoare triple {5925#false} havoc #t~ret0; {5925#false} is VALID [2020-07-11 00:48:52,708 INFO L280 TraceCheckUtils]: 91: Hoare triple {5925#false} havoc #t~ret1; {5925#false} is VALID [2020-07-11 00:48:52,708 INFO L280 TraceCheckUtils]: 92: Hoare triple {5925#false} assume true; {5925#false} is VALID [2020-07-11 00:48:52,708 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {5925#false} {5928#(<= 5 main_~x~0)} #63#return; {5925#false} is VALID [2020-07-11 00:48:52,719 INFO L263 TraceCheckUtils]: 0: Hoare triple {5924#true} call ULTIMATE.init(); {5924#true} is VALID [2020-07-11 00:48:52,720 INFO L280 TraceCheckUtils]: 1: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:52,720 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {5924#true} {5924#true} #59#return; {5924#true} is VALID [2020-07-11 00:48:52,720 INFO L263 TraceCheckUtils]: 3: Hoare triple {5924#true} call #t~ret5 := main(); {5924#true} is VALID [2020-07-11 00:48:52,721 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} ~x~0 := 5; {5928#(<= 5 main_~x~0)} is VALID [2020-07-11 00:48:52,722 INFO L263 TraceCheckUtils]: 5: Hoare triple {5928#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {5924#true} is VALID [2020-07-11 00:48:52,722 INFO L280 TraceCheckUtils]: 6: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:52,722 INFO L280 TraceCheckUtils]: 7: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:48:52,722 INFO L280 TraceCheckUtils]: 8: Hoare triple {5924#true} assume !(1 == ~n); {5924#true} is VALID [2020-07-11 00:48:52,723 INFO L263 TraceCheckUtils]: 9: Hoare triple {5924#true} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-11 00:48:52,723 INFO L280 TraceCheckUtils]: 10: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:52,724 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 00:48:52,725 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 00:48:52,725 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 00:48:52,726 INFO L280 TraceCheckUtils]: 14: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:52,727 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 00:48:52,728 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 00:48:52,728 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 00:48:52,729 INFO L280 TraceCheckUtils]: 18: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:52,729 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 00:48:52,730 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 00:48:52,731 INFO L280 TraceCheckUtils]: 21: Hoare triple {6150#(<= |fibo2_#in~n| 1)} #res := 1; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:52,732 INFO L280 TraceCheckUtils]: 22: Hoare triple {6150#(<= |fibo2_#in~n| 1)} assume true; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-11 00:48:52,733 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 00:48:52,734 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 00:48:52,734 INFO L263 TraceCheckUtils]: 25: Hoare triple {6144#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-11 00:48:52,735 INFO L280 TraceCheckUtils]: 26: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:52,735 INFO L280 TraceCheckUtils]: 27: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-11 00:48:52,735 INFO L280 TraceCheckUtils]: 28: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-11 00:48:52,736 INFO L280 TraceCheckUtils]: 29: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:52,737 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 00:48:52,738 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 00:48:52,738 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 00:48:52,739 INFO L280 TraceCheckUtils]: 33: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret0; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:52,740 INFO L280 TraceCheckUtils]: 34: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret1; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:52,740 INFO L280 TraceCheckUtils]: 35: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume true; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-11 00:48:52,742 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 00:48:52,742 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 00:48:52,742 INFO L263 TraceCheckUtils]: 38: Hoare triple {6130#(<= |fibo2_#in~n| 3)} call #t~ret3 := fibo1(~n - 2); {5924#true} is VALID [2020-07-11 00:48:52,743 INFO L280 TraceCheckUtils]: 39: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:52,743 INFO L280 TraceCheckUtils]: 40: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:48:52,743 INFO L280 TraceCheckUtils]: 41: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-11 00:48:52,743 INFO L280 TraceCheckUtils]: 42: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-11 00:48:52,743 INFO L280 TraceCheckUtils]: 43: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:52,744 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 00:48:52,745 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 00:48:52,745 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 00:48:52,746 INFO L280 TraceCheckUtils]: 47: Hoare triple {6130#(<= |fibo2_#in~n| 3)} havoc #t~ret3; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:48:52,747 INFO L280 TraceCheckUtils]: 48: Hoare triple {6130#(<= |fibo2_#in~n| 3)} havoc #t~ret2; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:48:52,747 INFO L280 TraceCheckUtils]: 49: Hoare triple {6130#(<= |fibo2_#in~n| 3)} assume true; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-11 00:48:52,748 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {6130#(<= |fibo2_#in~n| 3)} {5924#true} #69#return; {6064#(<= fibo1_~n 4)} is VALID [2020-07-11 00:48:52,749 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 00:48:52,749 INFO L263 TraceCheckUtils]: 52: Hoare triple {6064#(<= fibo1_~n 4)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-11 00:48:52,750 INFO L280 TraceCheckUtils]: 53: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:52,750 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 00:48:52,751 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 00:48:52,751 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 00:48:52,752 INFO L280 TraceCheckUtils]: 57: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:52,752 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 00:48:52,753 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 00:48:52,753 INFO L263 TraceCheckUtils]: 60: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-11 00:48:52,754 INFO L280 TraceCheckUtils]: 61: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:52,754 INFO L280 TraceCheckUtils]: 62: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:48:52,754 INFO L280 TraceCheckUtils]: 63: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-11 00:48:52,754 INFO L280 TraceCheckUtils]: 64: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-11 00:48:52,755 INFO L280 TraceCheckUtils]: 65: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:52,756 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 00:48:52,757 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 00:48:52,757 INFO L263 TraceCheckUtils]: 68: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-11 00:48:52,757 INFO L280 TraceCheckUtils]: 69: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:52,758 INFO L280 TraceCheckUtils]: 70: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-11 00:48:52,758 INFO L280 TraceCheckUtils]: 71: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-11 00:48:52,758 INFO L280 TraceCheckUtils]: 72: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:52,760 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 00:48:52,760 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 00:48:52,761 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 00:48:52,762 INFO L280 TraceCheckUtils]: 76: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:52,763 INFO L280 TraceCheckUtils]: 77: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:52,764 INFO L280 TraceCheckUtils]: 78: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume true; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:52,765 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 00:48:52,766 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 00:48:52,767 INFO L263 TraceCheckUtils]: 81: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {5924#true} is VALID [2020-07-11 00:48:52,767 INFO L280 TraceCheckUtils]: 82: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-11 00:48:52,767 INFO L280 TraceCheckUtils]: 83: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-11 00:48:52,767 INFO L280 TraceCheckUtils]: 84: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-11 00:48:52,768 INFO L280 TraceCheckUtils]: 85: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-11 00:48:52,768 INFO L280 TraceCheckUtils]: 86: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-11 00:48:52,769 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 00:48:52,770 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 00:48:52,770 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 00:48:52,771 INFO L280 TraceCheckUtils]: 90: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} havoc #t~ret3; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:52,772 INFO L280 TraceCheckUtils]: 91: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} havoc #t~ret2; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:52,773 INFO L280 TraceCheckUtils]: 92: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} assume true; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:52,774 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {6174#(<= 3 |fibo2_#in~n|)} {6064#(<= fibo1_~n 4)} #71#return; {5925#false} is VALID [2020-07-11 00:48:52,774 INFO L280 TraceCheckUtils]: 94: Hoare triple {5925#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {5925#false} is VALID [2020-07-11 00:48:52,775 INFO L280 TraceCheckUtils]: 95: Hoare triple {5925#false} #res := #t~ret0 + #t~ret1; {5925#false} is VALID [2020-07-11 00:48:52,775 INFO L280 TraceCheckUtils]: 96: Hoare triple {5925#false} havoc #t~ret0; {5925#false} is VALID [2020-07-11 00:48:52,775 INFO L280 TraceCheckUtils]: 97: Hoare triple {5925#false} havoc #t~ret1; {5925#false} is VALID [2020-07-11 00:48:52,775 INFO L280 TraceCheckUtils]: 98: Hoare triple {5925#false} assume true; {5925#false} is VALID [2020-07-11 00:48:52,776 INFO L275 TraceCheckUtils]: 99: Hoare quadruple {5925#false} {5928#(<= 5 main_~x~0)} #63#return; {5925#false} is VALID [2020-07-11 00:48:52,776 INFO L280 TraceCheckUtils]: 100: Hoare triple {5925#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {5925#false} is VALID [2020-07-11 00:48:52,776 INFO L280 TraceCheckUtils]: 101: Hoare triple {5925#false} ~result~0 := #t~ret4; {5925#false} is VALID [2020-07-11 00:48:52,776 INFO L280 TraceCheckUtils]: 102: Hoare triple {5925#false} havoc #t~ret4; {5925#false} is VALID [2020-07-11 00:48:52,777 INFO L280 TraceCheckUtils]: 103: Hoare triple {5925#false} assume 5 == ~result~0; {5925#false} is VALID [2020-07-11 00:48:52,777 INFO L280 TraceCheckUtils]: 104: Hoare triple {5925#false} assume !false; {5925#false} is VALID [2020-07-11 00:48:52,791 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 00:48:52,791 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [13924527] [2020-07-11 00:48:52,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 00:48:52,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-07-11 00:48:52,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420871620] [2020-07-11 00:48:52,793 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 105 [2020-07-11 00:48:52,794 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:48:52,794 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states. [2020-07-11 00:48:52,908 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 00:48:52,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-11 00:48:52,908 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:48:52,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-11 00:48:52,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-11 00:48:52,909 INFO L87 Difference]: Start difference. First operand 133 states and 191 transitions. Second operand 12 states. [2020-07-11 00:48:54,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:54,508 INFO L93 Difference]: Finished difference Result 265 states and 420 transitions. [2020-07-11 00:48:54,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-11 00:48:54,509 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 105 [2020-07-11 00:48:54,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:48:54,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-07-11 00:48:54,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 175 transitions. [2020-07-11 00:48:54,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-07-11 00:48:54,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 175 transitions. [2020-07-11 00:48:54,519 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states and 175 transitions. [2020-07-11 00:48:54,727 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 175 edges. 175 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:48:54,737 INFO L225 Difference]: With dead ends: 265 [2020-07-11 00:48:54,737 INFO L226 Difference]: Without dead ends: 116 [2020-07-11 00:48:54,741 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 00:48:54,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-07-11 00:48:54,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 95. [2020-07-11 00:48:54,973 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:48:54,973 INFO L82 GeneralOperation]: Start isEquivalent. First operand 116 states. Second operand 95 states. [2020-07-11 00:48:54,973 INFO L74 IsIncluded]: Start isIncluded. First operand 116 states. Second operand 95 states. [2020-07-11 00:48:54,974 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 95 states. [2020-07-11 00:48:54,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:54,978 INFO L93 Difference]: Finished difference Result 116 states and 145 transitions. [2020-07-11 00:48:54,978 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 145 transitions. [2020-07-11 00:48:54,979 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:48:54,979 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:48:54,980 INFO L74 IsIncluded]: Start isIncluded. First operand 95 states. Second operand 116 states. [2020-07-11 00:48:54,980 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 116 states. [2020-07-11 00:48:54,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:54,984 INFO L93 Difference]: Finished difference Result 116 states and 145 transitions. [2020-07-11 00:48:54,984 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 145 transitions. [2020-07-11 00:48:54,985 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:48:54,985 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:48:54,985 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:48:54,985 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:48:54,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-07-11 00:48:54,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 117 transitions. [2020-07-11 00:48:54,989 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 117 transitions. Word has length 105 [2020-07-11 00:48:54,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:48:54,989 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 117 transitions. [2020-07-11 00:48:54,989 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-11 00:48:54,989 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 95 states and 117 transitions. [2020-07-11 00:48:55,185 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 117 edges. 117 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:48:55,185 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 117 transitions. [2020-07-11 00:48:55,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-07-11 00:48:55,187 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:48:55,188 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 00:48:55,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-11 00:48:55,188 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:48:55,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:48:55,188 INFO L82 PathProgramCache]: Analyzing trace with hash -1534580400, now seen corresponding path program 1 times [2020-07-11 00:48:55,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:48:55,189 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1113361100] [2020-07-11 00:48:55,189 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:48:55,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:55,265 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,265 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {7174#true} {7174#true} #59#return; {7174#true} is VALID [2020-07-11 00:48:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:55,422 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,422 INFO L280 TraceCheckUtils]: 1: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:48:55,423 INFO L280 TraceCheckUtils]: 2: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:48:55,423 INFO L280 TraceCheckUtils]: 3: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:48:55,423 INFO L280 TraceCheckUtils]: 4: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,424 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {7174#true} {7472#(<= 2 |fibo2_#in~n|)} #65#return; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:55,429 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,429 INFO L280 TraceCheckUtils]: 1: Hoare triple {7174#true} assume ~n < 1; {7174#true} is VALID [2020-07-11 00:48:55,430 INFO L280 TraceCheckUtils]: 2: Hoare triple {7174#true} #res := 0; {7174#true} is VALID [2020-07-11 00:48:55,430 INFO L280 TraceCheckUtils]: 3: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,431 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {7174#true} {7472#(<= 2 |fibo2_#in~n|)} #67#return; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,431 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} ~n := #in~n; {7470#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,432 INFO L280 TraceCheckUtils]: 1: Hoare triple {7470#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {7471#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-11 00:48:55,433 INFO L280 TraceCheckUtils]: 2: Hoare triple {7471#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,433 INFO L263 TraceCheckUtils]: 3: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {7174#true} is VALID [2020-07-11 00:48:55,433 INFO L280 TraceCheckUtils]: 4: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,434 INFO L280 TraceCheckUtils]: 5: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:48:55,434 INFO L280 TraceCheckUtils]: 6: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:48:55,434 INFO L280 TraceCheckUtils]: 7: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:48:55,434 INFO L280 TraceCheckUtils]: 8: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,435 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {7174#true} {7472#(<= 2 |fibo2_#in~n|)} #65#return; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,436 INFO L280 TraceCheckUtils]: 10: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,436 INFO L263 TraceCheckUtils]: 11: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {7174#true} is VALID [2020-07-11 00:48:55,436 INFO L280 TraceCheckUtils]: 12: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,437 INFO L280 TraceCheckUtils]: 13: Hoare triple {7174#true} assume ~n < 1; {7174#true} is VALID [2020-07-11 00:48:55,437 INFO L280 TraceCheckUtils]: 14: Hoare triple {7174#true} #res := 0; {7174#true} is VALID [2020-07-11 00:48:55,437 INFO L280 TraceCheckUtils]: 15: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,438 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {7174#true} {7472#(<= 2 |fibo2_#in~n|)} #67#return; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,438 INFO L280 TraceCheckUtils]: 17: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,439 INFO L280 TraceCheckUtils]: 18: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,444 INFO L280 TraceCheckUtils]: 19: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,447 INFO L280 TraceCheckUtils]: 20: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,447 INFO L280 TraceCheckUtils]: 21: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} assume true; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,449 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {7472#(<= 2 |fibo2_#in~n|)} {7439#(= fibo1_~n |fibo1_#in~n|)} #69#return; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:55,454 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,455 INFO L280 TraceCheckUtils]: 1: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:48:55,455 INFO L280 TraceCheckUtils]: 2: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:48:55,455 INFO L280 TraceCheckUtils]: 3: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:48:55,456 INFO L280 TraceCheckUtils]: 4: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,457 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {7174#true} {7463#(<= 3 |fibo1_#in~n|)} #71#return; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,458 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} ~n := #in~n; {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,459 INFO L280 TraceCheckUtils]: 1: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,459 INFO L280 TraceCheckUtils]: 2: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,459 INFO L263 TraceCheckUtils]: 3: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {7174#true} is VALID [2020-07-11 00:48:55,460 INFO L280 TraceCheckUtils]: 4: Hoare triple {7174#true} ~n := #in~n; {7470#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,461 INFO L280 TraceCheckUtils]: 5: Hoare triple {7470#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {7471#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-11 00:48:55,462 INFO L280 TraceCheckUtils]: 6: Hoare triple {7471#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,462 INFO L263 TraceCheckUtils]: 7: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {7174#true} is VALID [2020-07-11 00:48:55,462 INFO L280 TraceCheckUtils]: 8: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,463 INFO L280 TraceCheckUtils]: 9: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:48:55,463 INFO L280 TraceCheckUtils]: 10: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:48:55,463 INFO L280 TraceCheckUtils]: 11: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:48:55,463 INFO L280 TraceCheckUtils]: 12: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,465 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {7174#true} {7472#(<= 2 |fibo2_#in~n|)} #65#return; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,465 INFO L280 TraceCheckUtils]: 14: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,465 INFO L263 TraceCheckUtils]: 15: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {7174#true} is VALID [2020-07-11 00:48:55,466 INFO L280 TraceCheckUtils]: 16: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,466 INFO L280 TraceCheckUtils]: 17: Hoare triple {7174#true} assume ~n < 1; {7174#true} is VALID [2020-07-11 00:48:55,466 INFO L280 TraceCheckUtils]: 18: Hoare triple {7174#true} #res := 0; {7174#true} is VALID [2020-07-11 00:48:55,467 INFO L280 TraceCheckUtils]: 19: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,483 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {7174#true} {7472#(<= 2 |fibo2_#in~n|)} #67#return; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,484 INFO L280 TraceCheckUtils]: 21: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,484 INFO L280 TraceCheckUtils]: 22: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,484 INFO L280 TraceCheckUtils]: 23: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,485 INFO L280 TraceCheckUtils]: 24: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,485 INFO L280 TraceCheckUtils]: 25: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} assume true; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,486 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {7472#(<= 2 |fibo2_#in~n|)} {7439#(= fibo1_~n |fibo1_#in~n|)} #69#return; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,487 INFO L280 TraceCheckUtils]: 27: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,487 INFO L263 TraceCheckUtils]: 28: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {7174#true} is VALID [2020-07-11 00:48:55,487 INFO L280 TraceCheckUtils]: 29: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,487 INFO L280 TraceCheckUtils]: 30: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:48:55,487 INFO L280 TraceCheckUtils]: 31: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:48:55,487 INFO L280 TraceCheckUtils]: 32: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:48:55,488 INFO L280 TraceCheckUtils]: 33: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,488 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {7174#true} {7463#(<= 3 |fibo1_#in~n|)} #71#return; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,489 INFO L280 TraceCheckUtils]: 35: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,489 INFO L280 TraceCheckUtils]: 36: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,490 INFO L280 TraceCheckUtils]: 37: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} havoc #t~ret0; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,490 INFO L280 TraceCheckUtils]: 38: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} havoc #t~ret1; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,491 INFO L280 TraceCheckUtils]: 39: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} assume true; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,492 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {7463#(<= 3 |fibo1_#in~n|)} {7174#true} #65#return; {7432#(<= 4 fibo2_~n)} is VALID [2020-07-11 00:48:55,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:55,514 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} ~n := #in~n; {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,514 INFO L280 TraceCheckUtils]: 1: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,515 INFO L280 TraceCheckUtils]: 2: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {7484#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:48:55,515 INFO L280 TraceCheckUtils]: 3: Hoare triple {7484#(<= |fibo1_#in~n| 1)} #res := 1; {7484#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:48:55,516 INFO L280 TraceCheckUtils]: 4: Hoare triple {7484#(<= |fibo1_#in~n| 1)} assume true; {7484#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:48:55,517 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {7484#(<= |fibo1_#in~n| 1)} {7432#(<= 4 fibo2_~n)} #67#return; {7175#false} is VALID [2020-07-11 00:48:55,517 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,517 INFO L280 TraceCheckUtils]: 1: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:48:55,518 INFO L280 TraceCheckUtils]: 2: Hoare triple {7174#true} assume !(1 == ~n); {7174#true} is VALID [2020-07-11 00:48:55,518 INFO L263 TraceCheckUtils]: 3: Hoare triple {7174#true} call #t~ret2 := fibo1(~n - 1); {7174#true} is VALID [2020-07-11 00:48:55,518 INFO L280 TraceCheckUtils]: 4: Hoare triple {7174#true} ~n := #in~n; {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,519 INFO L280 TraceCheckUtils]: 5: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,519 INFO L280 TraceCheckUtils]: 6: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,520 INFO L263 TraceCheckUtils]: 7: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {7174#true} is VALID [2020-07-11 00:48:55,520 INFO L280 TraceCheckUtils]: 8: Hoare triple {7174#true} ~n := #in~n; {7470#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,521 INFO L280 TraceCheckUtils]: 9: Hoare triple {7470#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {7471#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-11 00:48:55,522 INFO L280 TraceCheckUtils]: 10: Hoare triple {7471#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,522 INFO L263 TraceCheckUtils]: 11: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {7174#true} is VALID [2020-07-11 00:48:55,522 INFO L280 TraceCheckUtils]: 12: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,522 INFO L280 TraceCheckUtils]: 13: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:48:55,522 INFO L280 TraceCheckUtils]: 14: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:48:55,523 INFO L280 TraceCheckUtils]: 15: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:48:55,523 INFO L280 TraceCheckUtils]: 16: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,524 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {7174#true} {7472#(<= 2 |fibo2_#in~n|)} #65#return; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,524 INFO L280 TraceCheckUtils]: 18: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,524 INFO L263 TraceCheckUtils]: 19: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {7174#true} is VALID [2020-07-11 00:48:55,525 INFO L280 TraceCheckUtils]: 20: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,525 INFO L280 TraceCheckUtils]: 21: Hoare triple {7174#true} assume ~n < 1; {7174#true} is VALID [2020-07-11 00:48:55,525 INFO L280 TraceCheckUtils]: 22: Hoare triple {7174#true} #res := 0; {7174#true} is VALID [2020-07-11 00:48:55,525 INFO L280 TraceCheckUtils]: 23: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,526 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {7174#true} {7472#(<= 2 |fibo2_#in~n|)} #67#return; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,526 INFO L280 TraceCheckUtils]: 25: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,527 INFO L280 TraceCheckUtils]: 26: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,527 INFO L280 TraceCheckUtils]: 27: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,528 INFO L280 TraceCheckUtils]: 28: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,528 INFO L280 TraceCheckUtils]: 29: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} assume true; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,529 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {7472#(<= 2 |fibo2_#in~n|)} {7439#(= fibo1_~n |fibo1_#in~n|)} #69#return; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,530 INFO L280 TraceCheckUtils]: 31: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,530 INFO L263 TraceCheckUtils]: 32: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {7174#true} is VALID [2020-07-11 00:48:55,530 INFO L280 TraceCheckUtils]: 33: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,531 INFO L280 TraceCheckUtils]: 34: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:48:55,531 INFO L280 TraceCheckUtils]: 35: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:48:55,531 INFO L280 TraceCheckUtils]: 36: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:48:55,531 INFO L280 TraceCheckUtils]: 37: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,532 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {7174#true} {7463#(<= 3 |fibo1_#in~n|)} #71#return; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,533 INFO L280 TraceCheckUtils]: 39: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,533 INFO L280 TraceCheckUtils]: 40: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,534 INFO L280 TraceCheckUtils]: 41: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} havoc #t~ret0; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,534 INFO L280 TraceCheckUtils]: 42: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} havoc #t~ret1; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,535 INFO L280 TraceCheckUtils]: 43: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} assume true; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,536 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {7463#(<= 3 |fibo1_#in~n|)} {7174#true} #65#return; {7432#(<= 4 fibo2_~n)} is VALID [2020-07-11 00:48:55,536 INFO L280 TraceCheckUtils]: 45: Hoare triple {7432#(<= 4 fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7432#(<= 4 fibo2_~n)} is VALID [2020-07-11 00:48:55,536 INFO L263 TraceCheckUtils]: 46: Hoare triple {7432#(<= 4 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {7174#true} is VALID [2020-07-11 00:48:55,537 INFO L280 TraceCheckUtils]: 47: Hoare triple {7174#true} ~n := #in~n; {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,537 INFO L280 TraceCheckUtils]: 48: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,538 INFO L280 TraceCheckUtils]: 49: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {7484#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:48:55,538 INFO L280 TraceCheckUtils]: 50: Hoare triple {7484#(<= |fibo1_#in~n| 1)} #res := 1; {7484#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:48:55,539 INFO L280 TraceCheckUtils]: 51: Hoare triple {7484#(<= |fibo1_#in~n| 1)} assume true; {7484#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:48:55,540 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {7484#(<= |fibo1_#in~n| 1)} {7432#(<= 4 fibo2_~n)} #67#return; {7175#false} is VALID [2020-07-11 00:48:55,540 INFO L280 TraceCheckUtils]: 53: Hoare triple {7175#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7175#false} is VALID [2020-07-11 00:48:55,540 INFO L280 TraceCheckUtils]: 54: Hoare triple {7175#false} #res := #t~ret2 + #t~ret3; {7175#false} is VALID [2020-07-11 00:48:55,541 INFO L280 TraceCheckUtils]: 55: Hoare triple {7175#false} havoc #t~ret3; {7175#false} is VALID [2020-07-11 00:48:55,541 INFO L280 TraceCheckUtils]: 56: Hoare triple {7175#false} havoc #t~ret2; {7175#false} is VALID [2020-07-11 00:48:55,541 INFO L280 TraceCheckUtils]: 57: Hoare triple {7175#false} assume true; {7175#false} is VALID [2020-07-11 00:48:55,541 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {7175#false} {7174#true} #69#return; {7175#false} is VALID [2020-07-11 00:48:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:55,566 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,566 INFO L280 TraceCheckUtils]: 1: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:48:55,567 INFO L280 TraceCheckUtils]: 2: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:48:55,567 INFO L280 TraceCheckUtils]: 3: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:48:55,567 INFO L280 TraceCheckUtils]: 4: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,567 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {7174#true} {7174#true} #69#return; {7174#true} is VALID [2020-07-11 00:48:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:55,571 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,571 INFO L280 TraceCheckUtils]: 1: Hoare triple {7174#true} assume ~n < 1; {7174#true} is VALID [2020-07-11 00:48:55,571 INFO L280 TraceCheckUtils]: 2: Hoare triple {7174#true} #res := 0; {7174#true} is VALID [2020-07-11 00:48:55,571 INFO L280 TraceCheckUtils]: 3: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,572 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {7174#true} {7174#true} #71#return; {7174#true} is VALID [2020-07-11 00:48:55,572 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,572 INFO L280 TraceCheckUtils]: 1: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:48:55,572 INFO L280 TraceCheckUtils]: 2: Hoare triple {7174#true} assume !(1 == ~n); {7174#true} is VALID [2020-07-11 00:48:55,573 INFO L263 TraceCheckUtils]: 3: Hoare triple {7174#true} call #t~ret0 := fibo2(~n - 1); {7174#true} is VALID [2020-07-11 00:48:55,573 INFO L280 TraceCheckUtils]: 4: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,573 INFO L280 TraceCheckUtils]: 5: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:48:55,573 INFO L280 TraceCheckUtils]: 6: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:48:55,573 INFO L280 TraceCheckUtils]: 7: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:48:55,574 INFO L280 TraceCheckUtils]: 8: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,574 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {7174#true} {7174#true} #69#return; {7174#true} is VALID [2020-07-11 00:48:55,574 INFO L280 TraceCheckUtils]: 10: Hoare triple {7174#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7174#true} is VALID [2020-07-11 00:48:55,574 INFO L263 TraceCheckUtils]: 11: Hoare triple {7174#true} call #t~ret1 := fibo2(~n - 2); {7174#true} is VALID [2020-07-11 00:48:55,574 INFO L280 TraceCheckUtils]: 12: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,575 INFO L280 TraceCheckUtils]: 13: Hoare triple {7174#true} assume ~n < 1; {7174#true} is VALID [2020-07-11 00:48:55,575 INFO L280 TraceCheckUtils]: 14: Hoare triple {7174#true} #res := 0; {7174#true} is VALID [2020-07-11 00:48:55,575 INFO L280 TraceCheckUtils]: 15: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,575 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {7174#true} {7174#true} #71#return; {7174#true} is VALID [2020-07-11 00:48:55,575 INFO L280 TraceCheckUtils]: 17: Hoare triple {7174#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {7174#true} is VALID [2020-07-11 00:48:55,576 INFO L280 TraceCheckUtils]: 18: Hoare triple {7174#true} #res := #t~ret0 + #t~ret1; {7174#true} is VALID [2020-07-11 00:48:55,576 INFO L280 TraceCheckUtils]: 19: Hoare triple {7174#true} havoc #t~ret0; {7174#true} is VALID [2020-07-11 00:48:55,576 INFO L280 TraceCheckUtils]: 20: Hoare triple {7174#true} havoc #t~ret1; {7174#true} is VALID [2020-07-11 00:48:55,576 INFO L280 TraceCheckUtils]: 21: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,576 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {7174#true} {7174#true} #65#return; {7174#true} is VALID [2020-07-11 00:48:55,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:48:55,580 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,581 INFO L280 TraceCheckUtils]: 1: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:48:55,581 INFO L280 TraceCheckUtils]: 2: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:48:55,581 INFO L280 TraceCheckUtils]: 3: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:48:55,581 INFO L280 TraceCheckUtils]: 4: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,581 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {7174#true} {7174#true} #67#return; {7174#true} is VALID [2020-07-11 00:48:55,582 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,582 INFO L280 TraceCheckUtils]: 1: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:48:55,582 INFO L280 TraceCheckUtils]: 2: Hoare triple {7174#true} assume !(1 == ~n); {7174#true} is VALID [2020-07-11 00:48:55,582 INFO L263 TraceCheckUtils]: 3: Hoare triple {7174#true} call #t~ret2 := fibo1(~n - 1); {7174#true} is VALID [2020-07-11 00:48:55,583 INFO L280 TraceCheckUtils]: 4: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,583 INFO L280 TraceCheckUtils]: 5: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:48:55,583 INFO L280 TraceCheckUtils]: 6: Hoare triple {7174#true} assume !(1 == ~n); {7174#true} is VALID [2020-07-11 00:48:55,583 INFO L263 TraceCheckUtils]: 7: Hoare triple {7174#true} call #t~ret0 := fibo2(~n - 1); {7174#true} is VALID [2020-07-11 00:48:55,583 INFO L280 TraceCheckUtils]: 8: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,584 INFO L280 TraceCheckUtils]: 9: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:48:55,584 INFO L280 TraceCheckUtils]: 10: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:48:55,584 INFO L280 TraceCheckUtils]: 11: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:48:55,584 INFO L280 TraceCheckUtils]: 12: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,584 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {7174#true} {7174#true} #69#return; {7174#true} is VALID [2020-07-11 00:48:55,585 INFO L280 TraceCheckUtils]: 14: Hoare triple {7174#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7174#true} is VALID [2020-07-11 00:48:55,585 INFO L263 TraceCheckUtils]: 15: Hoare triple {7174#true} call #t~ret1 := fibo2(~n - 2); {7174#true} is VALID [2020-07-11 00:48:55,585 INFO L280 TraceCheckUtils]: 16: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,585 INFO L280 TraceCheckUtils]: 17: Hoare triple {7174#true} assume ~n < 1; {7174#true} is VALID [2020-07-11 00:48:55,585 INFO L280 TraceCheckUtils]: 18: Hoare triple {7174#true} #res := 0; {7174#true} is VALID [2020-07-11 00:48:55,586 INFO L280 TraceCheckUtils]: 19: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,586 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {7174#true} {7174#true} #71#return; {7174#true} is VALID [2020-07-11 00:48:55,586 INFO L280 TraceCheckUtils]: 21: Hoare triple {7174#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {7174#true} is VALID [2020-07-11 00:48:55,586 INFO L280 TraceCheckUtils]: 22: Hoare triple {7174#true} #res := #t~ret0 + #t~ret1; {7174#true} is VALID [2020-07-11 00:48:55,586 INFO L280 TraceCheckUtils]: 23: Hoare triple {7174#true} havoc #t~ret0; {7174#true} is VALID [2020-07-11 00:48:55,586 INFO L280 TraceCheckUtils]: 24: Hoare triple {7174#true} havoc #t~ret1; {7174#true} is VALID [2020-07-11 00:48:55,587 INFO L280 TraceCheckUtils]: 25: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,587 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {7174#true} {7174#true} #65#return; {7174#true} is VALID [2020-07-11 00:48:55,587 INFO L280 TraceCheckUtils]: 27: Hoare triple {7174#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7174#true} is VALID [2020-07-11 00:48:55,587 INFO L263 TraceCheckUtils]: 28: Hoare triple {7174#true} call #t~ret3 := fibo1(~n - 2); {7174#true} is VALID [2020-07-11 00:48:55,587 INFO L280 TraceCheckUtils]: 29: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,588 INFO L280 TraceCheckUtils]: 30: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:48:55,588 INFO L280 TraceCheckUtils]: 31: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:48:55,588 INFO L280 TraceCheckUtils]: 32: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:48:55,588 INFO L280 TraceCheckUtils]: 33: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,588 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {7174#true} {7174#true} #67#return; {7174#true} is VALID [2020-07-11 00:48:55,589 INFO L280 TraceCheckUtils]: 35: Hoare triple {7174#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7174#true} is VALID [2020-07-11 00:48:55,589 INFO L280 TraceCheckUtils]: 36: Hoare triple {7174#true} #res := #t~ret2 + #t~ret3; {7174#true} is VALID [2020-07-11 00:48:55,589 INFO L280 TraceCheckUtils]: 37: Hoare triple {7174#true} havoc #t~ret3; {7174#true} is VALID [2020-07-11 00:48:55,589 INFO L280 TraceCheckUtils]: 38: Hoare triple {7174#true} havoc #t~ret2; {7174#true} is VALID [2020-07-11 00:48:55,589 INFO L280 TraceCheckUtils]: 39: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,590 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {7174#true} {7175#false} #71#return; {7175#false} is VALID [2020-07-11 00:48:55,591 INFO L280 TraceCheckUtils]: 0: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,591 INFO L280 TraceCheckUtils]: 1: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:48:55,591 INFO L280 TraceCheckUtils]: 2: Hoare triple {7174#true} assume !(1 == ~n); {7174#true} is VALID [2020-07-11 00:48:55,591 INFO L263 TraceCheckUtils]: 3: Hoare triple {7174#true} call #t~ret0 := fibo2(~n - 1); {7174#true} is VALID [2020-07-11 00:48:55,591 INFO L280 TraceCheckUtils]: 4: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,591 INFO L280 TraceCheckUtils]: 5: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:48:55,592 INFO L280 TraceCheckUtils]: 6: Hoare triple {7174#true} assume !(1 == ~n); {7174#true} is VALID [2020-07-11 00:48:55,592 INFO L263 TraceCheckUtils]: 7: Hoare triple {7174#true} call #t~ret2 := fibo1(~n - 1); {7174#true} is VALID [2020-07-11 00:48:55,592 INFO L280 TraceCheckUtils]: 8: Hoare triple {7174#true} ~n := #in~n; {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,593 INFO L280 TraceCheckUtils]: 9: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,594 INFO L280 TraceCheckUtils]: 10: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,594 INFO L263 TraceCheckUtils]: 11: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {7174#true} is VALID [2020-07-11 00:48:55,594 INFO L280 TraceCheckUtils]: 12: Hoare triple {7174#true} ~n := #in~n; {7470#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,595 INFO L280 TraceCheckUtils]: 13: Hoare triple {7470#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {7471#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-11 00:48:55,596 INFO L280 TraceCheckUtils]: 14: Hoare triple {7471#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,596 INFO L263 TraceCheckUtils]: 15: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {7174#true} is VALID [2020-07-11 00:48:55,596 INFO L280 TraceCheckUtils]: 16: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,596 INFO L280 TraceCheckUtils]: 17: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:48:55,596 INFO L280 TraceCheckUtils]: 18: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:48:55,597 INFO L280 TraceCheckUtils]: 19: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:48:55,597 INFO L280 TraceCheckUtils]: 20: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,598 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {7174#true} {7472#(<= 2 |fibo2_#in~n|)} #65#return; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,598 INFO L280 TraceCheckUtils]: 22: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,598 INFO L263 TraceCheckUtils]: 23: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {7174#true} is VALID [2020-07-11 00:48:55,599 INFO L280 TraceCheckUtils]: 24: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,599 INFO L280 TraceCheckUtils]: 25: Hoare triple {7174#true} assume ~n < 1; {7174#true} is VALID [2020-07-11 00:48:55,599 INFO L280 TraceCheckUtils]: 26: Hoare triple {7174#true} #res := 0; {7174#true} is VALID [2020-07-11 00:48:55,599 INFO L280 TraceCheckUtils]: 27: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,600 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {7174#true} {7472#(<= 2 |fibo2_#in~n|)} #67#return; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,600 INFO L280 TraceCheckUtils]: 29: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,601 INFO L280 TraceCheckUtils]: 30: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,601 INFO L280 TraceCheckUtils]: 31: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,602 INFO L280 TraceCheckUtils]: 32: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,603 INFO L280 TraceCheckUtils]: 33: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} assume true; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,604 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {7472#(<= 2 |fibo2_#in~n|)} {7439#(= fibo1_~n |fibo1_#in~n|)} #69#return; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,604 INFO L280 TraceCheckUtils]: 35: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,605 INFO L263 TraceCheckUtils]: 36: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {7174#true} is VALID [2020-07-11 00:48:55,605 INFO L280 TraceCheckUtils]: 37: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,605 INFO L280 TraceCheckUtils]: 38: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:48:55,605 INFO L280 TraceCheckUtils]: 39: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:48:55,605 INFO L280 TraceCheckUtils]: 40: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:48:55,606 INFO L280 TraceCheckUtils]: 41: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,606 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {7174#true} {7463#(<= 3 |fibo1_#in~n|)} #71#return; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,607 INFO L280 TraceCheckUtils]: 43: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,608 INFO L280 TraceCheckUtils]: 44: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,608 INFO L280 TraceCheckUtils]: 45: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} havoc #t~ret0; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,609 INFO L280 TraceCheckUtils]: 46: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} havoc #t~ret1; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,609 INFO L280 TraceCheckUtils]: 47: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} assume true; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,610 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {7463#(<= 3 |fibo1_#in~n|)} {7174#true} #65#return; {7432#(<= 4 fibo2_~n)} is VALID [2020-07-11 00:48:55,611 INFO L280 TraceCheckUtils]: 49: Hoare triple {7432#(<= 4 fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7432#(<= 4 fibo2_~n)} is VALID [2020-07-11 00:48:55,611 INFO L263 TraceCheckUtils]: 50: Hoare triple {7432#(<= 4 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {7174#true} is VALID [2020-07-11 00:48:55,611 INFO L280 TraceCheckUtils]: 51: Hoare triple {7174#true} ~n := #in~n; {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,612 INFO L280 TraceCheckUtils]: 52: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,613 INFO L280 TraceCheckUtils]: 53: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {7484#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:48:55,613 INFO L280 TraceCheckUtils]: 54: Hoare triple {7484#(<= |fibo1_#in~n| 1)} #res := 1; {7484#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:48:55,614 INFO L280 TraceCheckUtils]: 55: Hoare triple {7484#(<= |fibo1_#in~n| 1)} assume true; {7484#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:48:55,615 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {7484#(<= |fibo1_#in~n| 1)} {7432#(<= 4 fibo2_~n)} #67#return; {7175#false} is VALID [2020-07-11 00:48:55,615 INFO L280 TraceCheckUtils]: 57: Hoare triple {7175#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7175#false} is VALID [2020-07-11 00:48:55,615 INFO L280 TraceCheckUtils]: 58: Hoare triple {7175#false} #res := #t~ret2 + #t~ret3; {7175#false} is VALID [2020-07-11 00:48:55,615 INFO L280 TraceCheckUtils]: 59: Hoare triple {7175#false} havoc #t~ret3; {7175#false} is VALID [2020-07-11 00:48:55,615 INFO L280 TraceCheckUtils]: 60: Hoare triple {7175#false} havoc #t~ret2; {7175#false} is VALID [2020-07-11 00:48:55,616 INFO L280 TraceCheckUtils]: 61: Hoare triple {7175#false} assume true; {7175#false} is VALID [2020-07-11 00:48:55,616 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {7175#false} {7174#true} #69#return; {7175#false} is VALID [2020-07-11 00:48:55,616 INFO L280 TraceCheckUtils]: 63: Hoare triple {7175#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7175#false} is VALID [2020-07-11 00:48:55,616 INFO L263 TraceCheckUtils]: 64: Hoare triple {7175#false} call #t~ret1 := fibo2(~n - 2); {7174#true} is VALID [2020-07-11 00:48:55,616 INFO L280 TraceCheckUtils]: 65: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,617 INFO L280 TraceCheckUtils]: 66: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:48:55,617 INFO L280 TraceCheckUtils]: 67: Hoare triple {7174#true} assume !(1 == ~n); {7174#true} is VALID [2020-07-11 00:48:55,617 INFO L263 TraceCheckUtils]: 68: Hoare triple {7174#true} call #t~ret2 := fibo1(~n - 1); {7174#true} is VALID [2020-07-11 00:48:55,617 INFO L280 TraceCheckUtils]: 69: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,617 INFO L280 TraceCheckUtils]: 70: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:48:55,618 INFO L280 TraceCheckUtils]: 71: Hoare triple {7174#true} assume !(1 == ~n); {7174#true} is VALID [2020-07-11 00:48:55,618 INFO L263 TraceCheckUtils]: 72: Hoare triple {7174#true} call #t~ret0 := fibo2(~n - 1); {7174#true} is VALID [2020-07-11 00:48:55,618 INFO L280 TraceCheckUtils]: 73: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,618 INFO L280 TraceCheckUtils]: 74: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:48:55,618 INFO L280 TraceCheckUtils]: 75: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:48:55,618 INFO L280 TraceCheckUtils]: 76: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:48:55,619 INFO L280 TraceCheckUtils]: 77: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,619 INFO L275 TraceCheckUtils]: 78: Hoare quadruple {7174#true} {7174#true} #69#return; {7174#true} is VALID [2020-07-11 00:48:55,619 INFO L280 TraceCheckUtils]: 79: Hoare triple {7174#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7174#true} is VALID [2020-07-11 00:48:55,619 INFO L263 TraceCheckUtils]: 80: Hoare triple {7174#true} call #t~ret1 := fibo2(~n - 2); {7174#true} is VALID [2020-07-11 00:48:55,619 INFO L280 TraceCheckUtils]: 81: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,620 INFO L280 TraceCheckUtils]: 82: Hoare triple {7174#true} assume ~n < 1; {7174#true} is VALID [2020-07-11 00:48:55,620 INFO L280 TraceCheckUtils]: 83: Hoare triple {7174#true} #res := 0; {7174#true} is VALID [2020-07-11 00:48:55,620 INFO L280 TraceCheckUtils]: 84: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,620 INFO L275 TraceCheckUtils]: 85: Hoare quadruple {7174#true} {7174#true} #71#return; {7174#true} is VALID [2020-07-11 00:48:55,620 INFO L280 TraceCheckUtils]: 86: Hoare triple {7174#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {7174#true} is VALID [2020-07-11 00:48:55,620 INFO L280 TraceCheckUtils]: 87: Hoare triple {7174#true} #res := #t~ret0 + #t~ret1; {7174#true} is VALID [2020-07-11 00:48:55,621 INFO L280 TraceCheckUtils]: 88: Hoare triple {7174#true} havoc #t~ret0; {7174#true} is VALID [2020-07-11 00:48:55,621 INFO L280 TraceCheckUtils]: 89: Hoare triple {7174#true} havoc #t~ret1; {7174#true} is VALID [2020-07-11 00:48:55,621 INFO L280 TraceCheckUtils]: 90: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,621 INFO L275 TraceCheckUtils]: 91: Hoare quadruple {7174#true} {7174#true} #65#return; {7174#true} is VALID [2020-07-11 00:48:55,621 INFO L280 TraceCheckUtils]: 92: Hoare triple {7174#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7174#true} is VALID [2020-07-11 00:48:55,621 INFO L263 TraceCheckUtils]: 93: Hoare triple {7174#true} call #t~ret3 := fibo1(~n - 2); {7174#true} is VALID [2020-07-11 00:48:55,622 INFO L280 TraceCheckUtils]: 94: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,622 INFO L280 TraceCheckUtils]: 95: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:48:55,622 INFO L280 TraceCheckUtils]: 96: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:48:55,622 INFO L280 TraceCheckUtils]: 97: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:48:55,622 INFO L280 TraceCheckUtils]: 98: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,623 INFO L275 TraceCheckUtils]: 99: Hoare quadruple {7174#true} {7174#true} #67#return; {7174#true} is VALID [2020-07-11 00:48:55,623 INFO L280 TraceCheckUtils]: 100: Hoare triple {7174#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7174#true} is VALID [2020-07-11 00:48:55,623 INFO L280 TraceCheckUtils]: 101: Hoare triple {7174#true} #res := #t~ret2 + #t~ret3; {7174#true} is VALID [2020-07-11 00:48:55,623 INFO L280 TraceCheckUtils]: 102: Hoare triple {7174#true} havoc #t~ret3; {7174#true} is VALID [2020-07-11 00:48:55,623 INFO L280 TraceCheckUtils]: 103: Hoare triple {7174#true} havoc #t~ret2; {7174#true} is VALID [2020-07-11 00:48:55,623 INFO L280 TraceCheckUtils]: 104: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,624 INFO L275 TraceCheckUtils]: 105: Hoare quadruple {7174#true} {7175#false} #71#return; {7175#false} is VALID [2020-07-11 00:48:55,624 INFO L280 TraceCheckUtils]: 106: Hoare triple {7175#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {7175#false} is VALID [2020-07-11 00:48:55,624 INFO L280 TraceCheckUtils]: 107: Hoare triple {7175#false} #res := #t~ret0 + #t~ret1; {7175#false} is VALID [2020-07-11 00:48:55,624 INFO L280 TraceCheckUtils]: 108: Hoare triple {7175#false} havoc #t~ret0; {7175#false} is VALID [2020-07-11 00:48:55,624 INFO L280 TraceCheckUtils]: 109: Hoare triple {7175#false} havoc #t~ret1; {7175#false} is VALID [2020-07-11 00:48:55,625 INFO L280 TraceCheckUtils]: 110: Hoare triple {7175#false} assume true; {7175#false} is VALID [2020-07-11 00:48:55,625 INFO L275 TraceCheckUtils]: 111: Hoare quadruple {7175#false} {7178#(<= 5 main_~x~0)} #63#return; {7175#false} is VALID [2020-07-11 00:48:55,632 INFO L263 TraceCheckUtils]: 0: Hoare triple {7174#true} call ULTIMATE.init(); {7174#true} is VALID [2020-07-11 00:48:55,632 INFO L280 TraceCheckUtils]: 1: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,633 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {7174#true} {7174#true} #59#return; {7174#true} is VALID [2020-07-11 00:48:55,633 INFO L263 TraceCheckUtils]: 3: Hoare triple {7174#true} call #t~ret5 := main(); {7174#true} is VALID [2020-07-11 00:48:55,634 INFO L280 TraceCheckUtils]: 4: Hoare triple {7174#true} ~x~0 := 5; {7178#(<= 5 main_~x~0)} is VALID [2020-07-11 00:48:55,634 INFO L263 TraceCheckUtils]: 5: Hoare triple {7178#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {7174#true} is VALID [2020-07-11 00:48:55,634 INFO L280 TraceCheckUtils]: 6: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,634 INFO L280 TraceCheckUtils]: 7: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:48:55,634 INFO L280 TraceCheckUtils]: 8: Hoare triple {7174#true} assume !(1 == ~n); {7174#true} is VALID [2020-07-11 00:48:55,634 INFO L263 TraceCheckUtils]: 9: Hoare triple {7174#true} call #t~ret0 := fibo2(~n - 1); {7174#true} is VALID [2020-07-11 00:48:55,635 INFO L280 TraceCheckUtils]: 10: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,635 INFO L280 TraceCheckUtils]: 11: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:48:55,635 INFO L280 TraceCheckUtils]: 12: Hoare triple {7174#true} assume !(1 == ~n); {7174#true} is VALID [2020-07-11 00:48:55,635 INFO L263 TraceCheckUtils]: 13: Hoare triple {7174#true} call #t~ret2 := fibo1(~n - 1); {7174#true} is VALID [2020-07-11 00:48:55,636 INFO L280 TraceCheckUtils]: 14: Hoare triple {7174#true} ~n := #in~n; {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,636 INFO L280 TraceCheckUtils]: 15: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,637 INFO L280 TraceCheckUtils]: 16: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,637 INFO L263 TraceCheckUtils]: 17: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {7174#true} is VALID [2020-07-11 00:48:55,637 INFO L280 TraceCheckUtils]: 18: Hoare triple {7174#true} ~n := #in~n; {7470#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,638 INFO L280 TraceCheckUtils]: 19: Hoare triple {7470#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {7471#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-11 00:48:55,639 INFO L280 TraceCheckUtils]: 20: Hoare triple {7471#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,639 INFO L263 TraceCheckUtils]: 21: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {7174#true} is VALID [2020-07-11 00:48:55,639 INFO L280 TraceCheckUtils]: 22: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,639 INFO L280 TraceCheckUtils]: 23: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:48:55,640 INFO L280 TraceCheckUtils]: 24: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:48:55,640 INFO L280 TraceCheckUtils]: 25: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:48:55,640 INFO L280 TraceCheckUtils]: 26: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,641 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {7174#true} {7472#(<= 2 |fibo2_#in~n|)} #65#return; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,641 INFO L280 TraceCheckUtils]: 28: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,641 INFO L263 TraceCheckUtils]: 29: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {7174#true} is VALID [2020-07-11 00:48:55,642 INFO L280 TraceCheckUtils]: 30: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,642 INFO L280 TraceCheckUtils]: 31: Hoare triple {7174#true} assume ~n < 1; {7174#true} is VALID [2020-07-11 00:48:55,642 INFO L280 TraceCheckUtils]: 32: Hoare triple {7174#true} #res := 0; {7174#true} is VALID [2020-07-11 00:48:55,642 INFO L280 TraceCheckUtils]: 33: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,643 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {7174#true} {7472#(<= 2 |fibo2_#in~n|)} #67#return; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,643 INFO L280 TraceCheckUtils]: 35: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,644 INFO L280 TraceCheckUtils]: 36: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,645 INFO L280 TraceCheckUtils]: 37: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,645 INFO L280 TraceCheckUtils]: 38: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,646 INFO L280 TraceCheckUtils]: 39: Hoare triple {7472#(<= 2 |fibo2_#in~n|)} assume true; {7472#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-11 00:48:55,647 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {7472#(<= 2 |fibo2_#in~n|)} {7439#(= fibo1_~n |fibo1_#in~n|)} #69#return; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,647 INFO L280 TraceCheckUtils]: 41: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,647 INFO L263 TraceCheckUtils]: 42: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {7174#true} is VALID [2020-07-11 00:48:55,648 INFO L280 TraceCheckUtils]: 43: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,648 INFO L280 TraceCheckUtils]: 44: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:48:55,648 INFO L280 TraceCheckUtils]: 45: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:48:55,648 INFO L280 TraceCheckUtils]: 46: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:48:55,648 INFO L280 TraceCheckUtils]: 47: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,649 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {7174#true} {7463#(<= 3 |fibo1_#in~n|)} #71#return; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,650 INFO L280 TraceCheckUtils]: 49: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,650 INFO L280 TraceCheckUtils]: 50: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,651 INFO L280 TraceCheckUtils]: 51: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} havoc #t~ret0; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,651 INFO L280 TraceCheckUtils]: 52: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} havoc #t~ret1; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,652 INFO L280 TraceCheckUtils]: 53: Hoare triple {7463#(<= 3 |fibo1_#in~n|)} assume true; {7463#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,652 INFO L275 TraceCheckUtils]: 54: Hoare quadruple {7463#(<= 3 |fibo1_#in~n|)} {7174#true} #65#return; {7432#(<= 4 fibo2_~n)} is VALID [2020-07-11 00:48:55,653 INFO L280 TraceCheckUtils]: 55: Hoare triple {7432#(<= 4 fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7432#(<= 4 fibo2_~n)} is VALID [2020-07-11 00:48:55,653 INFO L263 TraceCheckUtils]: 56: Hoare triple {7432#(<= 4 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {7174#true} is VALID [2020-07-11 00:48:55,653 INFO L280 TraceCheckUtils]: 57: Hoare triple {7174#true} ~n := #in~n; {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,654 INFO L280 TraceCheckUtils]: 58: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7439#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-11 00:48:55,654 INFO L280 TraceCheckUtils]: 59: Hoare triple {7439#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {7484#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:48:55,654 INFO L280 TraceCheckUtils]: 60: Hoare triple {7484#(<= |fibo1_#in~n| 1)} #res := 1; {7484#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:48:55,655 INFO L280 TraceCheckUtils]: 61: Hoare triple {7484#(<= |fibo1_#in~n| 1)} assume true; {7484#(<= |fibo1_#in~n| 1)} is VALID [2020-07-11 00:48:55,660 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {7484#(<= |fibo1_#in~n| 1)} {7432#(<= 4 fibo2_~n)} #67#return; {7175#false} is VALID [2020-07-11 00:48:55,661 INFO L280 TraceCheckUtils]: 63: Hoare triple {7175#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7175#false} is VALID [2020-07-11 00:48:55,661 INFO L280 TraceCheckUtils]: 64: Hoare triple {7175#false} #res := #t~ret2 + #t~ret3; {7175#false} is VALID [2020-07-11 00:48:55,661 INFO L280 TraceCheckUtils]: 65: Hoare triple {7175#false} havoc #t~ret3; {7175#false} is VALID [2020-07-11 00:48:55,661 INFO L280 TraceCheckUtils]: 66: Hoare triple {7175#false} havoc #t~ret2; {7175#false} is VALID [2020-07-11 00:48:55,661 INFO L280 TraceCheckUtils]: 67: Hoare triple {7175#false} assume true; {7175#false} is VALID [2020-07-11 00:48:55,662 INFO L275 TraceCheckUtils]: 68: Hoare quadruple {7175#false} {7174#true} #69#return; {7175#false} is VALID [2020-07-11 00:48:55,662 INFO L280 TraceCheckUtils]: 69: Hoare triple {7175#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7175#false} is VALID [2020-07-11 00:48:55,662 INFO L263 TraceCheckUtils]: 70: Hoare triple {7175#false} call #t~ret1 := fibo2(~n - 2); {7174#true} is VALID [2020-07-11 00:48:55,662 INFO L280 TraceCheckUtils]: 71: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,662 INFO L280 TraceCheckUtils]: 72: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:48:55,662 INFO L280 TraceCheckUtils]: 73: Hoare triple {7174#true} assume !(1 == ~n); {7174#true} is VALID [2020-07-11 00:48:55,663 INFO L263 TraceCheckUtils]: 74: Hoare triple {7174#true} call #t~ret2 := fibo1(~n - 1); {7174#true} is VALID [2020-07-11 00:48:55,663 INFO L280 TraceCheckUtils]: 75: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,663 INFO L280 TraceCheckUtils]: 76: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:48:55,663 INFO L280 TraceCheckUtils]: 77: Hoare triple {7174#true} assume !(1 == ~n); {7174#true} is VALID [2020-07-11 00:48:55,663 INFO L263 TraceCheckUtils]: 78: Hoare triple {7174#true} call #t~ret0 := fibo2(~n - 1); {7174#true} is VALID [2020-07-11 00:48:55,664 INFO L280 TraceCheckUtils]: 79: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,664 INFO L280 TraceCheckUtils]: 80: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:48:55,664 INFO L280 TraceCheckUtils]: 81: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:48:55,664 INFO L280 TraceCheckUtils]: 82: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:48:55,664 INFO L280 TraceCheckUtils]: 83: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,664 INFO L275 TraceCheckUtils]: 84: Hoare quadruple {7174#true} {7174#true} #69#return; {7174#true} is VALID [2020-07-11 00:48:55,665 INFO L280 TraceCheckUtils]: 85: Hoare triple {7174#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7174#true} is VALID [2020-07-11 00:48:55,665 INFO L263 TraceCheckUtils]: 86: Hoare triple {7174#true} call #t~ret1 := fibo2(~n - 2); {7174#true} is VALID [2020-07-11 00:48:55,665 INFO L280 TraceCheckUtils]: 87: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,665 INFO L280 TraceCheckUtils]: 88: Hoare triple {7174#true} assume ~n < 1; {7174#true} is VALID [2020-07-11 00:48:55,665 INFO L280 TraceCheckUtils]: 89: Hoare triple {7174#true} #res := 0; {7174#true} is VALID [2020-07-11 00:48:55,665 INFO L280 TraceCheckUtils]: 90: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,666 INFO L275 TraceCheckUtils]: 91: Hoare quadruple {7174#true} {7174#true} #71#return; {7174#true} is VALID [2020-07-11 00:48:55,666 INFO L280 TraceCheckUtils]: 92: Hoare triple {7174#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {7174#true} is VALID [2020-07-11 00:48:55,666 INFO L280 TraceCheckUtils]: 93: Hoare triple {7174#true} #res := #t~ret0 + #t~ret1; {7174#true} is VALID [2020-07-11 00:48:55,666 INFO L280 TraceCheckUtils]: 94: Hoare triple {7174#true} havoc #t~ret0; {7174#true} is VALID [2020-07-11 00:48:55,666 INFO L280 TraceCheckUtils]: 95: Hoare triple {7174#true} havoc #t~ret1; {7174#true} is VALID [2020-07-11 00:48:55,666 INFO L280 TraceCheckUtils]: 96: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,667 INFO L275 TraceCheckUtils]: 97: Hoare quadruple {7174#true} {7174#true} #65#return; {7174#true} is VALID [2020-07-11 00:48:55,667 INFO L280 TraceCheckUtils]: 98: Hoare triple {7174#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7174#true} is VALID [2020-07-11 00:48:55,667 INFO L263 TraceCheckUtils]: 99: Hoare triple {7174#true} call #t~ret3 := fibo1(~n - 2); {7174#true} is VALID [2020-07-11 00:48:55,667 INFO L280 TraceCheckUtils]: 100: Hoare triple {7174#true} ~n := #in~n; {7174#true} is VALID [2020-07-11 00:48:55,667 INFO L280 TraceCheckUtils]: 101: Hoare triple {7174#true} assume !(~n < 1); {7174#true} is VALID [2020-07-11 00:48:55,667 INFO L280 TraceCheckUtils]: 102: Hoare triple {7174#true} assume 1 == ~n; {7174#true} is VALID [2020-07-11 00:48:55,668 INFO L280 TraceCheckUtils]: 103: Hoare triple {7174#true} #res := 1; {7174#true} is VALID [2020-07-11 00:48:55,668 INFO L280 TraceCheckUtils]: 104: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,668 INFO L275 TraceCheckUtils]: 105: Hoare quadruple {7174#true} {7174#true} #67#return; {7174#true} is VALID [2020-07-11 00:48:55,668 INFO L280 TraceCheckUtils]: 106: Hoare triple {7174#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7174#true} is VALID [2020-07-11 00:48:55,668 INFO L280 TraceCheckUtils]: 107: Hoare triple {7174#true} #res := #t~ret2 + #t~ret3; {7174#true} is VALID [2020-07-11 00:48:55,668 INFO L280 TraceCheckUtils]: 108: Hoare triple {7174#true} havoc #t~ret3; {7174#true} is VALID [2020-07-11 00:48:55,669 INFO L280 TraceCheckUtils]: 109: Hoare triple {7174#true} havoc #t~ret2; {7174#true} is VALID [2020-07-11 00:48:55,669 INFO L280 TraceCheckUtils]: 110: Hoare triple {7174#true} assume true; {7174#true} is VALID [2020-07-11 00:48:55,669 INFO L275 TraceCheckUtils]: 111: Hoare quadruple {7174#true} {7175#false} #71#return; {7175#false} is VALID [2020-07-11 00:48:55,669 INFO L280 TraceCheckUtils]: 112: Hoare triple {7175#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {7175#false} is VALID [2020-07-11 00:48:55,669 INFO L280 TraceCheckUtils]: 113: Hoare triple {7175#false} #res := #t~ret0 + #t~ret1; {7175#false} is VALID [2020-07-11 00:48:55,669 INFO L280 TraceCheckUtils]: 114: Hoare triple {7175#false} havoc #t~ret0; {7175#false} is VALID [2020-07-11 00:48:55,670 INFO L280 TraceCheckUtils]: 115: Hoare triple {7175#false} havoc #t~ret1; {7175#false} is VALID [2020-07-11 00:48:55,670 INFO L280 TraceCheckUtils]: 116: Hoare triple {7175#false} assume true; {7175#false} is VALID [2020-07-11 00:48:55,670 INFO L275 TraceCheckUtils]: 117: Hoare quadruple {7175#false} {7178#(<= 5 main_~x~0)} #63#return; {7175#false} is VALID [2020-07-11 00:48:55,670 INFO L280 TraceCheckUtils]: 118: Hoare triple {7175#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {7175#false} is VALID [2020-07-11 00:48:55,670 INFO L280 TraceCheckUtils]: 119: Hoare triple {7175#false} ~result~0 := #t~ret4; {7175#false} is VALID [2020-07-11 00:48:55,671 INFO L280 TraceCheckUtils]: 120: Hoare triple {7175#false} havoc #t~ret4; {7175#false} is VALID [2020-07-11 00:48:55,671 INFO L280 TraceCheckUtils]: 121: Hoare triple {7175#false} assume 5 == ~result~0; {7175#false} is VALID [2020-07-11 00:48:55,671 INFO L280 TraceCheckUtils]: 122: Hoare triple {7175#false} assume !false; {7175#false} is VALID [2020-07-11 00:48:55,680 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 50 proven. 67 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-07-11 00:48:55,680 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1113361100] [2020-07-11 00:48:55,680 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 00:48:55,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-07-11 00:48:55,681 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199878794] [2020-07-11 00:48:55,681 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 123 [2020-07-11 00:48:55,683 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:48:55,683 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2020-07-11 00:48:55,778 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 93 edges. 93 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:48:55,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-11 00:48:55,779 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:48:55,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-11 00:48:55,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-07-11 00:48:55,779 INFO L87 Difference]: Start difference. First operand 95 states and 117 transitions. Second operand 10 states. [2020-07-11 00:48:56,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:56,819 INFO L93 Difference]: Finished difference Result 193 states and 255 transitions. [2020-07-11 00:48:56,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-11 00:48:56,820 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 123 [2020-07-11 00:48:56,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:48:56,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-11 00:48:56,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 130 transitions. [2020-07-11 00:48:56,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-11 00:48:56,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 130 transitions. [2020-07-11 00:48:56,826 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 130 transitions. [2020-07-11 00:48:56,966 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 130 edges. 130 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:48:56,969 INFO L225 Difference]: With dead ends: 193 [2020-07-11 00:48:56,969 INFO L226 Difference]: Without dead ends: 105 [2020-07-11 00:48:56,970 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-07-11 00:48:56,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-07-11 00:48:57,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2020-07-11 00:48:57,199 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:48:57,199 INFO L82 GeneralOperation]: Start isEquivalent. First operand 105 states. Second operand 105 states. [2020-07-11 00:48:57,199 INFO L74 IsIncluded]: Start isIncluded. First operand 105 states. Second operand 105 states. [2020-07-11 00:48:57,200 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 105 states. [2020-07-11 00:48:57,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:57,204 INFO L93 Difference]: Finished difference Result 105 states and 127 transitions. [2020-07-11 00:48:57,204 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 127 transitions. [2020-07-11 00:48:57,205 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:48:57,205 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:48:57,205 INFO L74 IsIncluded]: Start isIncluded. First operand 105 states. Second operand 105 states. [2020-07-11 00:48:57,205 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 105 states. [2020-07-11 00:48:57,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:48:57,210 INFO L93 Difference]: Finished difference Result 105 states and 127 transitions. [2020-07-11 00:48:57,210 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 127 transitions. [2020-07-11 00:48:57,211 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:48:57,211 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:48:57,211 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:48:57,211 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:48:57,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-07-11 00:48:57,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 127 transitions. [2020-07-11 00:48:57,215 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 127 transitions. Word has length 123 [2020-07-11 00:48:57,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:48:57,215 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 127 transitions. [2020-07-11 00:48:57,215 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-11 00:48:57,216 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 105 states and 127 transitions. [2020-07-11 00:48:57,397 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 00:48:57,398 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 127 transitions. [2020-07-11 00:48:57,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-07-11 00:48:57,401 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:48:57,401 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 00:48:57,402 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-11 00:48:57,402 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:48:57,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:48:57,403 INFO L82 PathProgramCache]: Analyzing trace with hash -1260071360, now seen corresponding path program 2 times [2020-07-11 00:48:57,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:48:57,405 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1017398539] [2020-07-11 00:48:57,405 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:48:57,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-11 00:48:57,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-11 00:48:57,536 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-11 00:48:57,537 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-11 00:48:57,537 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-11 00:48:57,636 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-11 00:48:57,636 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-11 00:48:57,636 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-11 00:48:57,637 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-11 00:48:57,637 WARN L170 areAnnotationChecker]: fibo2ENTRY has no Hoare annotation [2020-07-11 00:48:57,637 WARN L170 areAnnotationChecker]: fibo1ENTRY has no Hoare annotation [2020-07-11 00:48:57,637 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-11 00:48:57,637 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-11 00:48:57,637 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-11 00:48:57,638 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-11 00:48:57,638 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-11 00:48:57,638 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2020-07-11 00:48:57,638 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2020-07-11 00:48:57,638 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-11 00:48:57,638 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-11 00:48:57,639 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-11 00:48:57,639 WARN L170 areAnnotationChecker]: L37-1 has no Hoare annotation [2020-07-11 00:48:57,639 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-11 00:48:57,639 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2020-07-11 00:48:57,639 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2020-07-11 00:48:57,639 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2020-07-11 00:48:57,639 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2020-07-11 00:48:57,640 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2020-07-11 00:48:57,640 WARN L170 areAnnotationChecker]: L37-2 has no Hoare annotation [2020-07-11 00:48:57,640 WARN L170 areAnnotationChecker]: fibo2FINAL has no Hoare annotation [2020-07-11 00:48:57,640 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-11 00:48:57,640 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-11 00:48:57,640 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-11 00:48:57,640 WARN L170 areAnnotationChecker]: fibo1FINAL has no Hoare annotation [2020-07-11 00:48:57,640 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-11 00:48:57,641 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-11 00:48:57,641 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-11 00:48:57,641 WARN L170 areAnnotationChecker]: L37-3 has no Hoare annotation [2020-07-11 00:48:57,641 WARN L170 areAnnotationChecker]: fibo2EXIT has no Hoare annotation [2020-07-11 00:48:57,641 WARN L170 areAnnotationChecker]: fibo2EXIT has no Hoare annotation [2020-07-11 00:48:57,641 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2020-07-11 00:48:57,641 WARN L170 areAnnotationChecker]: fibo1EXIT has no Hoare annotation [2020-07-11 00:48:57,641 WARN L170 areAnnotationChecker]: fibo1EXIT has no Hoare annotation [2020-07-11 00:48:57,642 WARN L170 areAnnotationChecker]: fibo1EXIT has no Hoare annotation [2020-07-11 00:48:57,642 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-11 00:48:57,642 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-11 00:48:57,642 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-11 00:48:57,642 WARN L170 areAnnotationChecker]: L13-3 has no Hoare annotation [2020-07-11 00:48:57,642 WARN L170 areAnnotationChecker]: L23-2 has no Hoare annotation [2020-07-11 00:48:57,642 WARN L170 areAnnotationChecker]: L23-2 has no Hoare annotation [2020-07-11 00:48:57,642 WARN L170 areAnnotationChecker]: L23-3 has no Hoare annotation [2020-07-11 00:48:57,643 WARN L170 areAnnotationChecker]: L13-2 has no Hoare annotation [2020-07-11 00:48:57,643 WARN L170 areAnnotationChecker]: L13-2 has no Hoare annotation [2020-07-11 00:48:57,643 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-11 00:48:57,643 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-11 00:48:57,643 WARN L170 areAnnotationChecker]: L38-2 has no Hoare annotation [2020-07-11 00:48:57,643 WARN L170 areAnnotationChecker]: L13-4 has no Hoare annotation [2020-07-11 00:48:57,643 WARN L170 areAnnotationChecker]: L23-4 has no Hoare annotation [2020-07-11 00:48:57,644 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-11 00:48:57,644 WARN L170 areAnnotationChecker]: L13-5 has no Hoare annotation [2020-07-11 00:48:57,644 WARN L170 areAnnotationChecker]: L23-5 has no Hoare annotation [2020-07-11 00:48:57,644 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-11 00:48:57,644 WARN L170 areAnnotationChecker]: L13-6 has no Hoare annotation [2020-07-11 00:48:57,644 WARN L170 areAnnotationChecker]: L23-6 has no Hoare annotation [2020-07-11 00:48:57,644 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-11 00:48:57,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.07 12:48:57 BoogieIcfgContainer [2020-07-11 00:48:57,650 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-11 00:48:57,655 INFO L168 Benchmark]: Toolchain (without parser) took 18684.47 ms. Allocated memory was 141.6 MB in the beginning and 425.2 MB in the end (delta: 283.6 MB). Free memory was 100.2 MB in the beginning and 235.7 MB in the end (delta: -135.5 MB). Peak memory consumption was 148.1 MB. Max. memory is 7.1 GB. [2020-07-11 00:48:57,659 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 141.6 MB. Free memory was 118.2 MB in the beginning and 118.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-11 00:48:57,664 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.59 ms. Allocated memory is still 141.6 MB. Free memory was 99.8 MB in the beginning and 90.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2020-07-11 00:48:57,664 INFO L168 Benchmark]: Boogie Preprocessor took 34.26 ms. Allocated memory is still 141.6 MB. Free memory was 90.1 MB in the beginning and 88.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2020-07-11 00:48:57,665 INFO L168 Benchmark]: RCFGBuilder took 559.13 ms. Allocated memory was 141.6 MB in the beginning and 199.2 MB in the end (delta: 57.7 MB). Free memory was 88.5 MB in the beginning and 157.2 MB in the end (delta: -68.7 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-07-11 00:48:57,666 INFO L168 Benchmark]: TraceAbstraction took 17817.89 ms. Allocated memory was 199.2 MB in the beginning and 425.2 MB in the end (delta: 226.0 MB). Free memory was 156.5 MB in the beginning and 235.7 MB in the end (delta: -79.2 MB). Peak memory consumption was 146.8 MB. Max. memory is 7.1 GB. [2020-07-11 00:48:57,673 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 0.30 ms. Allocated memory is still 141.6 MB. Free memory was 118.2 MB in the beginning and 118.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 266.59 ms. Allocated memory is still 141.6 MB. Free memory was 99.8 MB in the beginning and 90.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 34.26 ms. Allocated memory is still 141.6 MB. Free memory was 90.1 MB in the beginning and 88.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 559.13 ms. Allocated memory was 141.6 MB in the beginning and 199.2 MB in the end (delta: 57.7 MB). Free memory was 88.5 MB in the beginning and 157.2 MB in the end (delta: -68.7 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17817.89 ms. Allocated memory was 199.2 MB in the beginning and 425.2 MB in the end (delta: 226.0 MB). Free memory was 156.5 MB in the beginning and 235.7 MB in the end (delta: -79.2 MB). Peak memory consumption was 146.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 39]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L36] int x = 5; VAL [x=5] [L37] CALL, EXPR fibo1(x) VAL [\old(n)=5] [L8] COND FALSE !(n < 1) VAL [\old(n)=5, n=5] [L10] COND FALSE !(n == 1) VAL [\old(n)=5, n=5] [L13] CALL, EXPR fibo2(n-1) VAL [\old(n)=4] [L18] COND FALSE !(n < 1) VAL [\old(n)=4, n=4] [L20] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L23] CALL, EXPR fibo1(n-1) VAL [\old(n)=3] [L8] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L10] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L13] CALL, EXPR fibo2(n-1) VAL [\old(n)=2] [L18] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L20] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L23] CALL, EXPR fibo1(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 VAL [\old(n)=1, n=1] [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L23] RET, EXPR fibo1(n-1) VAL [\old(n)=2, fibo1(n-1)=1, n=2] [L23] CALL, EXPR fibo1(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 VAL [\old(n)=0, n=0] [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L23] RET, EXPR fibo1(n-2) VAL [\old(n)=2, fibo1(n-1)=1, fibo1(n-2)=0, n=2] [L23] return fibo1(n-1) + fibo1(n-2); VAL [\old(n)=2, \result=1, fibo1(n-1)=1, fibo1(n-2)=0, n=2] [L13] RET, EXPR fibo2(n-1) VAL [\old(n)=3, fibo2(n-1)=1, n=3] [L13] CALL, EXPR fibo2(n-2) VAL [\old(n)=1] [L18] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L20] COND TRUE n == 1 VAL [\old(n)=1, n=1] [L21] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo2(n-2) VAL [\old(n)=3, fibo2(n-1)=1, fibo2(n-2)=1, n=3] [L13] return fibo2(n-1) + fibo2(n-2); VAL [\old(n)=3, \result=2, fibo2(n-1)=1, fibo2(n-2)=1, n=3] [L23] RET, EXPR fibo1(n-1) VAL [\old(n)=4, fibo1(n-1)=2, n=4] [L23] CALL, EXPR fibo1(n-2) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo2(n-1) VAL [\old(n)=1] [L18] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L20] COND TRUE n == 1 VAL [\old(n)=1, n=1] [L21] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo2(n-1) VAL [\old(n)=2, fibo2(n-1)=1, n=2] [L13] CALL, EXPR fibo2(n-2) VAL [\old(n)=0] [L18] COND TRUE n < 1 VAL [\old(n)=0, n=0] [L19] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo2(n-2) VAL [\old(n)=2, fibo2(n-1)=1, fibo2(n-2)=0, n=2] [L13] return fibo2(n-1) + fibo2(n-2); VAL [\old(n)=2, \result=1, fibo2(n-1)=1, fibo2(n-2)=0, n=2] [L23] RET, EXPR fibo1(n-2) VAL [\old(n)=4, fibo1(n-1)=2, fibo1(n-2)=1, n=4] [L23] return fibo1(n-1) + fibo1(n-2); VAL [\old(n)=4, \result=3, fibo1(n-1)=2, fibo1(n-2)=1, n=4] [L13] RET, EXPR fibo2(n-1) VAL [\old(n)=5, fibo2(n-1)=3, n=5] [L13] CALL, EXPR fibo2(n-2) VAL [\old(n)=3] [L18] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L20] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L23] CALL, EXPR fibo1(n-1) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo2(n-1) VAL [\old(n)=1] [L18] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L20] COND TRUE n == 1 VAL [\old(n)=1, n=1] [L21] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo2(n-1) VAL [\old(n)=2, fibo2(n-1)=1, n=2] [L13] CALL, EXPR fibo2(n-2) VAL [\old(n)=0] [L18] COND TRUE n < 1 VAL [\old(n)=0, n=0] [L19] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo2(n-2) VAL [\old(n)=2, fibo2(n-1)=1, fibo2(n-2)=0, n=2] [L13] return fibo2(n-1) + fibo2(n-2); VAL [\old(n)=2, \result=1, fibo2(n-1)=1, fibo2(n-2)=0, n=2] [L23] RET, EXPR fibo1(n-1) VAL [\old(n)=3, fibo1(n-1)=1, n=3] [L23] CALL, EXPR fibo1(n-2) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 VAL [\old(n)=1, n=1] [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L23] RET, EXPR fibo1(n-2) VAL [\old(n)=3, fibo1(n-1)=1, fibo1(n-2)=1, n=3] [L23] return fibo1(n-1) + fibo1(n-2); VAL [\old(n)=3, \result=2, fibo1(n-1)=1, fibo1(n-2)=1, n=3] [L13] RET, EXPR fibo2(n-2) VAL [\old(n)=5, fibo2(n-1)=3, fibo2(n-2)=2, n=5] [L13] return fibo2(n-1) + fibo2(n-2); VAL [\old(n)=5, \result=5, fibo2(n-1)=3, fibo2(n-2)=2, n=5] [L37] RET, EXPR fibo1(x) VAL [fibo1(x)=5, x=5] [L37] int result = fibo1(x); VAL [fibo1(x)=5, result=5, x=5] [L38] COND TRUE result == 5 VAL [result=5, x=5] [L39] __VERIFIER_error() VAL [result=5, x=5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 17.6s, OverallIterations: 12, TraceHistogramMax: 8, AutomataDifference: 9.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 482 SDtfs, 447 SDslu, 1922 SDs, 0 SdLazy, 1236 SolverSat, 133 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 270 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 69 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 760 NumberOfCodeBlocks, 760 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 609 ConstructedInterpolants, 0 QuantifiedInterpolants, 78713 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 355/521 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...