/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_4-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 04:54:24,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 04:54:24,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 04:54:24,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 04:54:24,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 04:54:24,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 04:54:24,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 04:54:24,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 04:54:24,590 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 04:54:24,591 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 04:54:24,592 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 04:54:24,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 04:54:24,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 04:54:24,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 04:54:24,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 04:54:24,597 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 04:54:24,597 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 04:54:24,598 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 04:54:24,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 04:54:24,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 04:54:24,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 04:54:24,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 04:54:24,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 04:54:24,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 04:54:24,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 04:54:24,609 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 04:54:24,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 04:54:24,611 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 04:54:24,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 04:54:24,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-18 04:54:24,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 04:54:24,613 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 04:54:24,614 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 04:54:24,615 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 04:54:24,616 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 04:54:24,616 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 04:54:24,616 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 04:54:24,617 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 04:54:24,617 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 04:54:24,618 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 04:54:24,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 04:54:24,619 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 04:54:24,629 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 04:54:24,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 04:54:24,630 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 04:54:24,631 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 04:54:24,631 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 04:54:24,631 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 04:54:24,631 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 04:54:24,631 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 04:54:24,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 04:54:24,632 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 04:54:24,632 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 04:54:24,632 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 04:54:24,632 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 04:54:24,633 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 04:54:24,633 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 04:54:24,633 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 04:54:24,633 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 04:54:24,633 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 04:54:24,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 04:54:24,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 04:54:24,634 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 04:54:24,634 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 04:54:24,635 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-18 04:54:24,930 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 04:54:24,945 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 04:54:24,949 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 04:54:24,951 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 04:54:24,951 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 04:54:24,952 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_4-1.c [2020-07-18 04:54:25,015 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d39877fe/08f91669eb1445179be83b92d3d0d26d/FLAGff52d6e8c [2020-07-18 04:54:25,365 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 04:54:25,365 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/fibo_2calls_4-1.c [2020-07-18 04:54:25,371 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d39877fe/08f91669eb1445179be83b92d3d0d26d/FLAGff52d6e8c [2020-07-18 04:54:25,760 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d39877fe/08f91669eb1445179be83b92d3d0d26d [2020-07-18 04:54:25,769 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 04:54:25,772 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 04:54:25,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 04:54:25,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 04:54:25,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 04:54:25,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 04:54:25" (1/1) ... [2020-07-18 04:54:25,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b2d4d6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:54:25, skipping insertion in model container [2020-07-18 04:54:25,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 04:54:25" (1/1) ... [2020-07-18 04:54:25,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 04:54:25,805 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 04:54:25,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 04:54:25,967 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 04:54:25,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 04:54:25,999 INFO L208 MainTranslator]: Completed translation [2020-07-18 04:54:25,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:54:25 WrapperNode [2020-07-18 04:54:26,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 04:54:26,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 04:54:26,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 04:54:26,001 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 04:54:26,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:54:25" (1/1) ... [2020-07-18 04:54:26,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:54:25" (1/1) ... [2020-07-18 04:54:26,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:54:25" (1/1) ... [2020-07-18 04:54:26,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:54:25" (1/1) ... [2020-07-18 04:54:26,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:54:25" (1/1) ... [2020-07-18 04:54:26,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:54:25" (1/1) ... [2020-07-18 04:54:26,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:54:25" (1/1) ... [2020-07-18 04:54:26,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 04:54:26,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 04:54:26,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 04:54:26,030 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 04:54:26,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:54:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 04:54:26,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 04:54:26,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 04:54:26,190 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-07-18 04:54:26,190 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-07-18 04:54:26,190 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 04:54:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-18 04:54:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 04:54:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-07-18 04:54:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-07-18 04:54:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 04:54:26,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 04:54:26,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 04:54:26,585 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 04:54:26,586 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-18 04:54:26,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 04:54:26 BoogieIcfgContainer [2020-07-18 04:54:26,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 04:54:26,591 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 04:54:26,591 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 04:54:26,595 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 04:54:26,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 04:54:25" (1/3) ... [2020-07-18 04:54:26,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57ee3cff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 04:54:26, skipping insertion in model container [2020-07-18 04:54:26,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:54:25" (2/3) ... [2020-07-18 04:54:26,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57ee3cff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 04:54:26, skipping insertion in model container [2020-07-18 04:54:26,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 04:54:26" (3/3) ... [2020-07-18 04:54:26,599 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_4-1.c [2020-07-18 04:54:26,610 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 04:54:26,618 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 04:54:26,634 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 04:54:26,656 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 04:54:26,656 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 04:54:26,656 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-18 04:54:26,657 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 04:54:26,657 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 04:54:26,657 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 04:54:26,657 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 04:54:26,657 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 04:54:26,673 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2020-07-18 04:54:26,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-18 04:54:26,685 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:54:26,686 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 04:54:26,686 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:54:26,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:54:26,693 INFO L82 PathProgramCache]: Analyzing trace with hash -1089710179, now seen corresponding path program 1 times [2020-07-18 04:54:26,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:54:26,703 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2065085376] [2020-07-18 04:54:26,703 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:54:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:26,924 INFO L280 TraceCheckUtils]: 0: Hoare triple {48#true} assume true; {48#true} is VALID [2020-07-18 04:54:26,925 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {48#true} {48#true} #59#return; {48#true} is VALID [2020-07-18 04:54:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:26,978 INFO L280 TraceCheckUtils]: 0: Hoare triple {48#true} ~n := #in~n; {58#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:26,980 INFO L280 TraceCheckUtils]: 1: Hoare triple {58#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {59#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:54:26,981 INFO L280 TraceCheckUtils]: 2: Hoare triple {59#(<= |fibo1_#in~n| 0)} #res := 0; {59#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:54:26,982 INFO L280 TraceCheckUtils]: 3: Hoare triple {59#(<= |fibo1_#in~n| 0)} assume true; {59#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:54:26,984 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {59#(<= |fibo1_#in~n| 0)} {52#(<= 4 main_~x~0)} #63#return; {49#false} is VALID [2020-07-18 04:54:26,985 INFO L263 TraceCheckUtils]: 0: Hoare triple {48#true} call ULTIMATE.init(); {48#true} is VALID [2020-07-18 04:54:26,985 INFO L280 TraceCheckUtils]: 1: Hoare triple {48#true} assume true; {48#true} is VALID [2020-07-18 04:54:26,985 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {48#true} {48#true} #59#return; {48#true} is VALID [2020-07-18 04:54:26,986 INFO L263 TraceCheckUtils]: 3: Hoare triple {48#true} call #t~ret5 := main(); {48#true} is VALID [2020-07-18 04:54:26,987 INFO L280 TraceCheckUtils]: 4: Hoare triple {48#true} ~x~0 := 4; {52#(<= 4 main_~x~0)} is VALID [2020-07-18 04:54:26,987 INFO L263 TraceCheckUtils]: 5: Hoare triple {52#(<= 4 main_~x~0)} call #t~ret4 := fibo1(~x~0); {48#true} is VALID [2020-07-18 04:54:26,988 INFO L280 TraceCheckUtils]: 6: Hoare triple {48#true} ~n := #in~n; {58#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:26,990 INFO L280 TraceCheckUtils]: 7: Hoare triple {58#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {59#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:54:26,991 INFO L280 TraceCheckUtils]: 8: Hoare triple {59#(<= |fibo1_#in~n| 0)} #res := 0; {59#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:54:26,992 INFO L280 TraceCheckUtils]: 9: Hoare triple {59#(<= |fibo1_#in~n| 0)} assume true; {59#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:54:26,993 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {59#(<= |fibo1_#in~n| 0)} {52#(<= 4 main_~x~0)} #63#return; {49#false} is VALID [2020-07-18 04:54:26,994 INFO L280 TraceCheckUtils]: 11: Hoare triple {49#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {49#false} is VALID [2020-07-18 04:54:26,994 INFO L280 TraceCheckUtils]: 12: Hoare triple {49#false} ~result~0 := #t~ret4; {49#false} is VALID [2020-07-18 04:54:26,995 INFO L280 TraceCheckUtils]: 13: Hoare triple {49#false} havoc #t~ret4; {49#false} is VALID [2020-07-18 04:54:26,995 INFO L280 TraceCheckUtils]: 14: Hoare triple {49#false} assume 3 != ~result~0; {49#false} is VALID [2020-07-18 04:54:26,995 INFO L280 TraceCheckUtils]: 15: Hoare triple {49#false} assume !false; {49#false} is VALID [2020-07-18 04:54:26,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 04:54:26,998 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2065085376] [2020-07-18 04:54:27,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 04:54:27,001 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-18 04:54:27,002 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025312526] [2020-07-18 04:54:27,008 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-07-18 04:54:27,011 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 04:54:27,014 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-18 04:54:27,048 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:54:27,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-18 04:54:27,049 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 04:54:27,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-18 04:54:27,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-18 04:54:27,061 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 5 states. [2020-07-18 04:54:27,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:54:27,513 INFO L93 Difference]: Finished difference Result 58 states and 67 transitions. [2020-07-18 04:54:27,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-18 04:54:27,514 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-07-18 04:54:27,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 04:54:27,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-18 04:54:27,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 67 transitions. [2020-07-18 04:54:27,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-18 04:54:27,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 67 transitions. [2020-07-18 04:54:27,533 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 67 transitions. [2020-07-18 04:54:27,645 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:54:27,659 INFO L225 Difference]: With dead ends: 58 [2020-07-18 04:54:27,660 INFO L226 Difference]: Without dead ends: 42 [2020-07-18 04:54:27,663 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-18 04:54:27,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-07-18 04:54:27,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-07-18 04:54:27,739 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 04:54:27,739 INFO L82 GeneralOperation]: Start isEquivalent. First operand 42 states. Second operand 42 states. [2020-07-18 04:54:27,740 INFO L74 IsIncluded]: Start isIncluded. First operand 42 states. Second operand 42 states. [2020-07-18 04:54:27,740 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 42 states. [2020-07-18 04:54:27,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:54:27,748 INFO L93 Difference]: Finished difference Result 42 states and 49 transitions. [2020-07-18 04:54:27,749 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2020-07-18 04:54:27,750 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:54:27,751 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:54:27,751 INFO L74 IsIncluded]: Start isIncluded. First operand 42 states. Second operand 42 states. [2020-07-18 04:54:27,751 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 42 states. [2020-07-18 04:54:27,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:54:27,758 INFO L93 Difference]: Finished difference Result 42 states and 49 transitions. [2020-07-18 04:54:27,758 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2020-07-18 04:54:27,759 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:54:27,760 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:54:27,760 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 04:54:27,763 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 04:54:27,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-07-18 04:54:27,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2020-07-18 04:54:27,773 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 16 [2020-07-18 04:54:27,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 04:54:27,773 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2020-07-18 04:54:27,774 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-18 04:54:27,775 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 42 states and 49 transitions. [2020-07-18 04:54:27,838 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:54:27,839 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2020-07-18 04:54:27,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-18 04:54:27,841 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:54:27,842 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 04:54:27,842 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 04:54:27,843 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:54:27,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:54:27,843 INFO L82 PathProgramCache]: Analyzing trace with hash -653728005, now seen corresponding path program 1 times [2020-07-18 04:54:27,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:54:27,844 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1598258746] [2020-07-18 04:54:27,844 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:54:27,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:27,896 INFO L280 TraceCheckUtils]: 0: Hoare triple {348#true} assume true; {348#true} is VALID [2020-07-18 04:54:27,896 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {348#true} {348#true} #59#return; {348#true} is VALID [2020-07-18 04:54:27,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:27,934 INFO L280 TraceCheckUtils]: 0: Hoare triple {348#true} ~n := #in~n; {359#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:27,935 INFO L280 TraceCheckUtils]: 1: Hoare triple {359#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {359#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:27,936 INFO L280 TraceCheckUtils]: 2: Hoare triple {359#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {360#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:54:27,936 INFO L280 TraceCheckUtils]: 3: Hoare triple {360#(<= |fibo1_#in~n| 1)} #res := 1; {360#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:54:27,937 INFO L280 TraceCheckUtils]: 4: Hoare triple {360#(<= |fibo1_#in~n| 1)} assume true; {360#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:54:27,938 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {360#(<= |fibo1_#in~n| 1)} {352#(<= 4 main_~x~0)} #63#return; {349#false} is VALID [2020-07-18 04:54:27,939 INFO L263 TraceCheckUtils]: 0: Hoare triple {348#true} call ULTIMATE.init(); {348#true} is VALID [2020-07-18 04:54:27,939 INFO L280 TraceCheckUtils]: 1: Hoare triple {348#true} assume true; {348#true} is VALID [2020-07-18 04:54:27,940 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {348#true} {348#true} #59#return; {348#true} is VALID [2020-07-18 04:54:27,940 INFO L263 TraceCheckUtils]: 3: Hoare triple {348#true} call #t~ret5 := main(); {348#true} is VALID [2020-07-18 04:54:27,941 INFO L280 TraceCheckUtils]: 4: Hoare triple {348#true} ~x~0 := 4; {352#(<= 4 main_~x~0)} is VALID [2020-07-18 04:54:27,941 INFO L263 TraceCheckUtils]: 5: Hoare triple {352#(<= 4 main_~x~0)} call #t~ret4 := fibo1(~x~0); {348#true} is VALID [2020-07-18 04:54:27,942 INFO L280 TraceCheckUtils]: 6: Hoare triple {348#true} ~n := #in~n; {359#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:27,943 INFO L280 TraceCheckUtils]: 7: Hoare triple {359#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {359#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:27,943 INFO L280 TraceCheckUtils]: 8: Hoare triple {359#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {360#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:54:27,944 INFO L280 TraceCheckUtils]: 9: Hoare triple {360#(<= |fibo1_#in~n| 1)} #res := 1; {360#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:54:27,945 INFO L280 TraceCheckUtils]: 10: Hoare triple {360#(<= |fibo1_#in~n| 1)} assume true; {360#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:54:27,946 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {360#(<= |fibo1_#in~n| 1)} {352#(<= 4 main_~x~0)} #63#return; {349#false} is VALID [2020-07-18 04:54:27,946 INFO L280 TraceCheckUtils]: 12: Hoare triple {349#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {349#false} is VALID [2020-07-18 04:54:27,947 INFO L280 TraceCheckUtils]: 13: Hoare triple {349#false} ~result~0 := #t~ret4; {349#false} is VALID [2020-07-18 04:54:27,947 INFO L280 TraceCheckUtils]: 14: Hoare triple {349#false} havoc #t~ret4; {349#false} is VALID [2020-07-18 04:54:27,947 INFO L280 TraceCheckUtils]: 15: Hoare triple {349#false} assume 3 != ~result~0; {349#false} is VALID [2020-07-18 04:54:27,948 INFO L280 TraceCheckUtils]: 16: Hoare triple {349#false} assume !false; {349#false} is VALID [2020-07-18 04:54:27,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 04:54:27,949 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1598258746] [2020-07-18 04:54:27,950 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 04:54:27,950 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-18 04:54:27,950 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427869308] [2020-07-18 04:54:27,952 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-07-18 04:54:27,952 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 04:54:27,952 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-18 04:54:27,971 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:54:27,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-18 04:54:27,972 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 04:54:27,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-18 04:54:27,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-18 04:54:27,973 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand 5 states. [2020-07-18 04:54:28,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:54:28,233 INFO L93 Difference]: Finished difference Result 50 states and 58 transitions. [2020-07-18 04:54:28,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-18 04:54:28,233 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-07-18 04:54:28,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 04:54:28,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-18 04:54:28,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 55 transitions. [2020-07-18 04:54:28,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-18 04:54:28,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 55 transitions. [2020-07-18 04:54:28,244 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 55 transitions. [2020-07-18 04:54:28,316 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:54:28,320 INFO L225 Difference]: With dead ends: 50 [2020-07-18 04:54:28,320 INFO L226 Difference]: Without dead ends: 44 [2020-07-18 04:54:28,321 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-18 04:54:28,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-07-18 04:54:28,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 42. [2020-07-18 04:54:28,367 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 04:54:28,367 INFO L82 GeneralOperation]: Start isEquivalent. First operand 44 states. Second operand 42 states. [2020-07-18 04:54:28,368 INFO L74 IsIncluded]: Start isIncluded. First operand 44 states. Second operand 42 states. [2020-07-18 04:54:28,368 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 42 states. [2020-07-18 04:54:28,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:54:28,373 INFO L93 Difference]: Finished difference Result 44 states and 52 transitions. [2020-07-18 04:54:28,374 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2020-07-18 04:54:28,375 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:54:28,375 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:54:28,376 INFO L74 IsIncluded]: Start isIncluded. First operand 42 states. Second operand 44 states. [2020-07-18 04:54:28,376 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 44 states. [2020-07-18 04:54:28,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:54:28,381 INFO L93 Difference]: Finished difference Result 44 states and 52 transitions. [2020-07-18 04:54:28,381 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2020-07-18 04:54:28,383 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:54:28,383 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:54:28,383 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 04:54:28,384 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 04:54:28,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-07-18 04:54:28,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2020-07-18 04:54:28,391 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 17 [2020-07-18 04:54:28,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 04:54:28,391 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2020-07-18 04:54:28,392 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-18 04:54:28,392 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 42 states and 49 transitions. [2020-07-18 04:54:28,461 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:54:28,461 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2020-07-18 04:54:28,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-18 04:54:28,463 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:54:28,464 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 04:54:28,464 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 04:54:28,464 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:54:28,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:54:28,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1617834856, now seen corresponding path program 1 times [2020-07-18 04:54:28,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:54:28,466 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [234379017] [2020-07-18 04:54:28,466 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:54:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:28,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:28,516 INFO L280 TraceCheckUtils]: 0: Hoare triple {637#true} assume true; {637#true} is VALID [2020-07-18 04:54:28,516 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {637#true} {637#true} #59#return; {637#true} is VALID [2020-07-18 04:54:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:28,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:28,606 INFO L280 TraceCheckUtils]: 0: Hoare triple {637#true} ~n := #in~n; {676#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:28,608 INFO L280 TraceCheckUtils]: 1: Hoare triple {676#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-18 04:54:28,609 INFO L280 TraceCheckUtils]: 2: Hoare triple {677#(<= |fibo2_#in~n| 0)} #res := 0; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-18 04:54:28,609 INFO L280 TraceCheckUtils]: 3: Hoare triple {677#(<= |fibo2_#in~n| 0)} assume true; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-18 04:54:28,611 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {677#(<= |fibo2_#in~n| 0)} {665#(< 1 fibo1_~n)} #69#return; {638#false} is VALID [2020-07-18 04:54:28,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:28,617 INFO L280 TraceCheckUtils]: 0: Hoare triple {637#true} ~n := #in~n; {637#true} is VALID [2020-07-18 04:54:28,618 INFO L280 TraceCheckUtils]: 1: Hoare triple {637#true} assume ~n < 1; {637#true} is VALID [2020-07-18 04:54:28,618 INFO L280 TraceCheckUtils]: 2: Hoare triple {637#true} #res := 0; {637#true} is VALID [2020-07-18 04:54:28,618 INFO L280 TraceCheckUtils]: 3: Hoare triple {637#true} assume true; {637#true} is VALID [2020-07-18 04:54:28,619 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {637#true} {638#false} #71#return; {638#false} is VALID [2020-07-18 04:54:28,619 INFO L280 TraceCheckUtils]: 0: Hoare triple {637#true} ~n := #in~n; {637#true} is VALID [2020-07-18 04:54:28,620 INFO L280 TraceCheckUtils]: 1: Hoare triple {637#true} assume !(~n < 1); {664#(< 0 fibo1_~n)} is VALID [2020-07-18 04:54:28,621 INFO L280 TraceCheckUtils]: 2: Hoare triple {664#(< 0 fibo1_~n)} assume !(1 == ~n); {665#(< 1 fibo1_~n)} is VALID [2020-07-18 04:54:28,621 INFO L263 TraceCheckUtils]: 3: Hoare triple {665#(< 1 fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {637#true} is VALID [2020-07-18 04:54:28,622 INFO L280 TraceCheckUtils]: 4: Hoare triple {637#true} ~n := #in~n; {676#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:28,623 INFO L280 TraceCheckUtils]: 5: Hoare triple {676#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-18 04:54:28,623 INFO L280 TraceCheckUtils]: 6: Hoare triple {677#(<= |fibo2_#in~n| 0)} #res := 0; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-18 04:54:28,624 INFO L280 TraceCheckUtils]: 7: Hoare triple {677#(<= |fibo2_#in~n| 0)} assume true; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-18 04:54:28,626 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {677#(<= |fibo2_#in~n| 0)} {665#(< 1 fibo1_~n)} #69#return; {638#false} is VALID [2020-07-18 04:54:28,626 INFO L280 TraceCheckUtils]: 9: Hoare triple {638#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {638#false} is VALID [2020-07-18 04:54:28,626 INFO L263 TraceCheckUtils]: 10: Hoare triple {638#false} call #t~ret1 := fibo2(~n - 2); {637#true} is VALID [2020-07-18 04:54:28,627 INFO L280 TraceCheckUtils]: 11: Hoare triple {637#true} ~n := #in~n; {637#true} is VALID [2020-07-18 04:54:28,627 INFO L280 TraceCheckUtils]: 12: Hoare triple {637#true} assume ~n < 1; {637#true} is VALID [2020-07-18 04:54:28,627 INFO L280 TraceCheckUtils]: 13: Hoare triple {637#true} #res := 0; {637#true} is VALID [2020-07-18 04:54:28,628 INFO L280 TraceCheckUtils]: 14: Hoare triple {637#true} assume true; {637#true} is VALID [2020-07-18 04:54:28,628 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {637#true} {638#false} #71#return; {638#false} is VALID [2020-07-18 04:54:28,628 INFO L280 TraceCheckUtils]: 16: Hoare triple {638#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {638#false} is VALID [2020-07-18 04:54:28,629 INFO L280 TraceCheckUtils]: 17: Hoare triple {638#false} #res := #t~ret0 + #t~ret1; {638#false} is VALID [2020-07-18 04:54:28,629 INFO L280 TraceCheckUtils]: 18: Hoare triple {638#false} havoc #t~ret1; {638#false} is VALID [2020-07-18 04:54:28,629 INFO L280 TraceCheckUtils]: 19: Hoare triple {638#false} havoc #t~ret0; {638#false} is VALID [2020-07-18 04:54:28,630 INFO L280 TraceCheckUtils]: 20: Hoare triple {638#false} assume true; {638#false} is VALID [2020-07-18 04:54:28,630 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {638#false} {641#(<= 4 main_~x~0)} #63#return; {638#false} is VALID [2020-07-18 04:54:28,632 INFO L263 TraceCheckUtils]: 0: Hoare triple {637#true} call ULTIMATE.init(); {637#true} is VALID [2020-07-18 04:54:28,632 INFO L280 TraceCheckUtils]: 1: Hoare triple {637#true} assume true; {637#true} is VALID [2020-07-18 04:54:28,632 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {637#true} {637#true} #59#return; {637#true} is VALID [2020-07-18 04:54:28,632 INFO L263 TraceCheckUtils]: 3: Hoare triple {637#true} call #t~ret5 := main(); {637#true} is VALID [2020-07-18 04:54:28,633 INFO L280 TraceCheckUtils]: 4: Hoare triple {637#true} ~x~0 := 4; {641#(<= 4 main_~x~0)} is VALID [2020-07-18 04:54:28,634 INFO L263 TraceCheckUtils]: 5: Hoare triple {641#(<= 4 main_~x~0)} call #t~ret4 := fibo1(~x~0); {637#true} is VALID [2020-07-18 04:54:28,634 INFO L280 TraceCheckUtils]: 6: Hoare triple {637#true} ~n := #in~n; {637#true} is VALID [2020-07-18 04:54:28,635 INFO L280 TraceCheckUtils]: 7: Hoare triple {637#true} assume !(~n < 1); {664#(< 0 fibo1_~n)} is VALID [2020-07-18 04:54:28,636 INFO L280 TraceCheckUtils]: 8: Hoare triple {664#(< 0 fibo1_~n)} assume !(1 == ~n); {665#(< 1 fibo1_~n)} is VALID [2020-07-18 04:54:28,636 INFO L263 TraceCheckUtils]: 9: Hoare triple {665#(< 1 fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {637#true} is VALID [2020-07-18 04:54:28,637 INFO L280 TraceCheckUtils]: 10: Hoare triple {637#true} ~n := #in~n; {676#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:28,638 INFO L280 TraceCheckUtils]: 11: Hoare triple {676#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-18 04:54:28,638 INFO L280 TraceCheckUtils]: 12: Hoare triple {677#(<= |fibo2_#in~n| 0)} #res := 0; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-18 04:54:28,639 INFO L280 TraceCheckUtils]: 13: Hoare triple {677#(<= |fibo2_#in~n| 0)} assume true; {677#(<= |fibo2_#in~n| 0)} is VALID [2020-07-18 04:54:28,640 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {677#(<= |fibo2_#in~n| 0)} {665#(< 1 fibo1_~n)} #69#return; {638#false} is VALID [2020-07-18 04:54:28,640 INFO L280 TraceCheckUtils]: 15: Hoare triple {638#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {638#false} is VALID [2020-07-18 04:54:28,641 INFO L263 TraceCheckUtils]: 16: Hoare triple {638#false} call #t~ret1 := fibo2(~n - 2); {637#true} is VALID [2020-07-18 04:54:28,641 INFO L280 TraceCheckUtils]: 17: Hoare triple {637#true} ~n := #in~n; {637#true} is VALID [2020-07-18 04:54:28,641 INFO L280 TraceCheckUtils]: 18: Hoare triple {637#true} assume ~n < 1; {637#true} is VALID [2020-07-18 04:54:28,641 INFO L280 TraceCheckUtils]: 19: Hoare triple {637#true} #res := 0; {637#true} is VALID [2020-07-18 04:54:28,642 INFO L280 TraceCheckUtils]: 20: Hoare triple {637#true} assume true; {637#true} is VALID [2020-07-18 04:54:28,642 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {637#true} {638#false} #71#return; {638#false} is VALID [2020-07-18 04:54:28,642 INFO L280 TraceCheckUtils]: 22: Hoare triple {638#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {638#false} is VALID [2020-07-18 04:54:28,643 INFO L280 TraceCheckUtils]: 23: Hoare triple {638#false} #res := #t~ret0 + #t~ret1; {638#false} is VALID [2020-07-18 04:54:28,643 INFO L280 TraceCheckUtils]: 24: Hoare triple {638#false} havoc #t~ret1; {638#false} is VALID [2020-07-18 04:54:28,643 INFO L280 TraceCheckUtils]: 25: Hoare triple {638#false} havoc #t~ret0; {638#false} is VALID [2020-07-18 04:54:28,643 INFO L280 TraceCheckUtils]: 26: Hoare triple {638#false} assume true; {638#false} is VALID [2020-07-18 04:54:28,644 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {638#false} {641#(<= 4 main_~x~0)} #63#return; {638#false} is VALID [2020-07-18 04:54:28,644 INFO L280 TraceCheckUtils]: 28: Hoare triple {638#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {638#false} is VALID [2020-07-18 04:54:28,644 INFO L280 TraceCheckUtils]: 29: Hoare triple {638#false} ~result~0 := #t~ret4; {638#false} is VALID [2020-07-18 04:54:28,645 INFO L280 TraceCheckUtils]: 30: Hoare triple {638#false} havoc #t~ret4; {638#false} is VALID [2020-07-18 04:54:28,645 INFO L280 TraceCheckUtils]: 31: Hoare triple {638#false} assume 3 != ~result~0; {638#false} is VALID [2020-07-18 04:54:28,645 INFO L280 TraceCheckUtils]: 32: Hoare triple {638#false} assume !false; {638#false} is VALID [2020-07-18 04:54:28,647 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-18 04:54:28,647 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [234379017] [2020-07-18 04:54:28,648 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-18 04:54:28,648 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-07-18 04:54:28,648 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435302436] [2020-07-18 04:54:28,648 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-07-18 04:54:28,649 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 04:54:28,649 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-18 04:54:28,685 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:54:28,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-18 04:54:28,685 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 04:54:28,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-18 04:54:28,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-18 04:54:28,686 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand 7 states. [2020-07-18 04:54:29,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:54:29,009 INFO L93 Difference]: Finished difference Result 82 states and 102 transitions. [2020-07-18 04:54:29,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-18 04:54:29,009 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-07-18 04:54:29,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 04:54:29,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 04:54:29,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 99 transitions. [2020-07-18 04:54:29,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 04:54:29,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 99 transitions. [2020-07-18 04:54:29,019 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 99 transitions. [2020-07-18 04:54:29,140 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 99 edges. 99 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:54:29,147 INFO L225 Difference]: With dead ends: 82 [2020-07-18 04:54:29,147 INFO L226 Difference]: Without dead ends: 46 [2020-07-18 04:54:29,148 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-18 04:54:29,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-07-18 04:54:29,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2020-07-18 04:54:29,224 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 04:54:29,224 INFO L82 GeneralOperation]: Start isEquivalent. First operand 46 states. Second operand 44 states. [2020-07-18 04:54:29,224 INFO L74 IsIncluded]: Start isIncluded. First operand 46 states. Second operand 44 states. [2020-07-18 04:54:29,224 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 44 states. [2020-07-18 04:54:29,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:54:29,228 INFO L93 Difference]: Finished difference Result 46 states and 54 transitions. [2020-07-18 04:54:29,229 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2020-07-18 04:54:29,230 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:54:29,230 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:54:29,230 INFO L74 IsIncluded]: Start isIncluded. First operand 44 states. Second operand 46 states. [2020-07-18 04:54:29,230 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 46 states. [2020-07-18 04:54:29,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:54:29,234 INFO L93 Difference]: Finished difference Result 46 states and 54 transitions. [2020-07-18 04:54:29,234 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2020-07-18 04:54:29,235 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:54:29,235 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:54:29,235 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 04:54:29,235 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 04:54:29,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-07-18 04:54:29,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2020-07-18 04:54:29,239 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 51 transitions. Word has length 33 [2020-07-18 04:54:29,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 04:54:29,239 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 51 transitions. [2020-07-18 04:54:29,239 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-18 04:54:29,239 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 44 states and 51 transitions. [2020-07-18 04:54:29,309 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:54:29,310 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2020-07-18 04:54:29,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-18 04:54:29,311 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:54:29,311 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 04:54:29,311 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-18 04:54:29,312 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:54:29,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:54:29,312 INFO L82 PathProgramCache]: Analyzing trace with hash 887160861, now seen corresponding path program 1 times [2020-07-18 04:54:29,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:54:29,313 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1025716052] [2020-07-18 04:54:29,313 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:54:29,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:29,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:29,386 INFO L280 TraceCheckUtils]: 0: Hoare triple {1026#true} assume true; {1026#true} is VALID [2020-07-18 04:54:29,387 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1026#true} {1026#true} #59#return; {1026#true} is VALID [2020-07-18 04:54:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:29,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:29,464 INFO L280 TraceCheckUtils]: 0: Hoare triple {1026#true} ~n := #in~n; {1067#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:29,464 INFO L280 TraceCheckUtils]: 1: Hoare triple {1067#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {1067#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:29,466 INFO L280 TraceCheckUtils]: 2: Hoare triple {1067#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:29,469 INFO L280 TraceCheckUtils]: 3: Hoare triple {1068#(<= |fibo2_#in~n| 1)} #res := 1; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:29,471 INFO L280 TraceCheckUtils]: 4: Hoare triple {1068#(<= |fibo2_#in~n| 1)} assume true; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:29,474 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1068#(<= |fibo2_#in~n| 1)} {1054#(= fibo1_~n |fibo1_#in~n|)} #69#return; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:29,481 INFO L280 TraceCheckUtils]: 0: Hoare triple {1026#true} ~n := #in~n; {1026#true} is VALID [2020-07-18 04:54:29,481 INFO L280 TraceCheckUtils]: 1: Hoare triple {1026#true} assume ~n < 1; {1026#true} is VALID [2020-07-18 04:54:29,482 INFO L280 TraceCheckUtils]: 2: Hoare triple {1026#true} #res := 0; {1026#true} is VALID [2020-07-18 04:54:29,482 INFO L280 TraceCheckUtils]: 3: Hoare triple {1026#true} assume true; {1026#true} is VALID [2020-07-18 04:54:29,483 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1026#true} {1061#(<= |fibo1_#in~n| 2)} #71#return; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:29,484 INFO L280 TraceCheckUtils]: 0: Hoare triple {1026#true} ~n := #in~n; {1054#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:29,485 INFO L280 TraceCheckUtils]: 1: Hoare triple {1054#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {1054#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:29,486 INFO L280 TraceCheckUtils]: 2: Hoare triple {1054#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {1054#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:29,486 INFO L263 TraceCheckUtils]: 3: Hoare triple {1054#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {1026#true} is VALID [2020-07-18 04:54:29,486 INFO L280 TraceCheckUtils]: 4: Hoare triple {1026#true} ~n := #in~n; {1067#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:29,487 INFO L280 TraceCheckUtils]: 5: Hoare triple {1067#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {1067#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:29,488 INFO L280 TraceCheckUtils]: 6: Hoare triple {1067#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:29,489 INFO L280 TraceCheckUtils]: 7: Hoare triple {1068#(<= |fibo2_#in~n| 1)} #res := 1; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:29,489 INFO L280 TraceCheckUtils]: 8: Hoare triple {1068#(<= |fibo2_#in~n| 1)} assume true; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:29,491 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {1068#(<= |fibo2_#in~n| 1)} {1054#(= fibo1_~n |fibo1_#in~n|)} #69#return; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:29,491 INFO L280 TraceCheckUtils]: 10: Hoare triple {1061#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:29,492 INFO L263 TraceCheckUtils]: 11: Hoare triple {1061#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {1026#true} is VALID [2020-07-18 04:54:29,492 INFO L280 TraceCheckUtils]: 12: Hoare triple {1026#true} ~n := #in~n; {1026#true} is VALID [2020-07-18 04:54:29,492 INFO L280 TraceCheckUtils]: 13: Hoare triple {1026#true} assume ~n < 1; {1026#true} is VALID [2020-07-18 04:54:29,493 INFO L280 TraceCheckUtils]: 14: Hoare triple {1026#true} #res := 0; {1026#true} is VALID [2020-07-18 04:54:29,493 INFO L280 TraceCheckUtils]: 15: Hoare triple {1026#true} assume true; {1026#true} is VALID [2020-07-18 04:54:29,494 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {1026#true} {1061#(<= |fibo1_#in~n| 2)} #71#return; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:29,494 INFO L280 TraceCheckUtils]: 17: Hoare triple {1061#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:29,495 INFO L280 TraceCheckUtils]: 18: Hoare triple {1061#(<= |fibo1_#in~n| 2)} #res := #t~ret0 + #t~ret1; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:29,496 INFO L280 TraceCheckUtils]: 19: Hoare triple {1061#(<= |fibo1_#in~n| 2)} havoc #t~ret1; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:29,496 INFO L280 TraceCheckUtils]: 20: Hoare triple {1061#(<= |fibo1_#in~n| 2)} havoc #t~ret0; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:29,497 INFO L280 TraceCheckUtils]: 21: Hoare triple {1061#(<= |fibo1_#in~n| 2)} assume true; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:29,499 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {1061#(<= |fibo1_#in~n| 2)} {1030#(<= 4 main_~x~0)} #63#return; {1027#false} is VALID [2020-07-18 04:54:29,500 INFO L263 TraceCheckUtils]: 0: Hoare triple {1026#true} call ULTIMATE.init(); {1026#true} is VALID [2020-07-18 04:54:29,500 INFO L280 TraceCheckUtils]: 1: Hoare triple {1026#true} assume true; {1026#true} is VALID [2020-07-18 04:54:29,501 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1026#true} {1026#true} #59#return; {1026#true} is VALID [2020-07-18 04:54:29,501 INFO L263 TraceCheckUtils]: 3: Hoare triple {1026#true} call #t~ret5 := main(); {1026#true} is VALID [2020-07-18 04:54:29,502 INFO L280 TraceCheckUtils]: 4: Hoare triple {1026#true} ~x~0 := 4; {1030#(<= 4 main_~x~0)} is VALID [2020-07-18 04:54:29,502 INFO L263 TraceCheckUtils]: 5: Hoare triple {1030#(<= 4 main_~x~0)} call #t~ret4 := fibo1(~x~0); {1026#true} is VALID [2020-07-18 04:54:29,502 INFO L280 TraceCheckUtils]: 6: Hoare triple {1026#true} ~n := #in~n; {1054#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:29,503 INFO L280 TraceCheckUtils]: 7: Hoare triple {1054#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {1054#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:29,504 INFO L280 TraceCheckUtils]: 8: Hoare triple {1054#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {1054#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:29,504 INFO L263 TraceCheckUtils]: 9: Hoare triple {1054#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {1026#true} is VALID [2020-07-18 04:54:29,505 INFO L280 TraceCheckUtils]: 10: Hoare triple {1026#true} ~n := #in~n; {1067#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:29,505 INFO L280 TraceCheckUtils]: 11: Hoare triple {1067#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {1067#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:29,506 INFO L280 TraceCheckUtils]: 12: Hoare triple {1067#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:29,506 INFO L280 TraceCheckUtils]: 13: Hoare triple {1068#(<= |fibo2_#in~n| 1)} #res := 1; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:29,507 INFO L280 TraceCheckUtils]: 14: Hoare triple {1068#(<= |fibo2_#in~n| 1)} assume true; {1068#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:29,508 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {1068#(<= |fibo2_#in~n| 1)} {1054#(= fibo1_~n |fibo1_#in~n|)} #69#return; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:29,509 INFO L280 TraceCheckUtils]: 16: Hoare triple {1061#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:29,509 INFO L263 TraceCheckUtils]: 17: Hoare triple {1061#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {1026#true} is VALID [2020-07-18 04:54:29,510 INFO L280 TraceCheckUtils]: 18: Hoare triple {1026#true} ~n := #in~n; {1026#true} is VALID [2020-07-18 04:54:29,510 INFO L280 TraceCheckUtils]: 19: Hoare triple {1026#true} assume ~n < 1; {1026#true} is VALID [2020-07-18 04:54:29,510 INFO L280 TraceCheckUtils]: 20: Hoare triple {1026#true} #res := 0; {1026#true} is VALID [2020-07-18 04:54:29,510 INFO L280 TraceCheckUtils]: 21: Hoare triple {1026#true} assume true; {1026#true} is VALID [2020-07-18 04:54:29,511 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {1026#true} {1061#(<= |fibo1_#in~n| 2)} #71#return; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:29,512 INFO L280 TraceCheckUtils]: 23: Hoare triple {1061#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:29,512 INFO L280 TraceCheckUtils]: 24: Hoare triple {1061#(<= |fibo1_#in~n| 2)} #res := #t~ret0 + #t~ret1; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:29,513 INFO L280 TraceCheckUtils]: 25: Hoare triple {1061#(<= |fibo1_#in~n| 2)} havoc #t~ret1; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:29,513 INFO L280 TraceCheckUtils]: 26: Hoare triple {1061#(<= |fibo1_#in~n| 2)} havoc #t~ret0; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:29,514 INFO L280 TraceCheckUtils]: 27: Hoare triple {1061#(<= |fibo1_#in~n| 2)} assume true; {1061#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:29,515 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {1061#(<= |fibo1_#in~n| 2)} {1030#(<= 4 main_~x~0)} #63#return; {1027#false} is VALID [2020-07-18 04:54:29,515 INFO L280 TraceCheckUtils]: 29: Hoare triple {1027#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {1027#false} is VALID [2020-07-18 04:54:29,516 INFO L280 TraceCheckUtils]: 30: Hoare triple {1027#false} ~result~0 := #t~ret4; {1027#false} is VALID [2020-07-18 04:54:29,516 INFO L280 TraceCheckUtils]: 31: Hoare triple {1027#false} havoc #t~ret4; {1027#false} is VALID [2020-07-18 04:54:29,516 INFO L280 TraceCheckUtils]: 32: Hoare triple {1027#false} assume 3 != ~result~0; {1027#false} is VALID [2020-07-18 04:54:29,516 INFO L280 TraceCheckUtils]: 33: Hoare triple {1027#false} assume !false; {1027#false} is VALID [2020-07-18 04:54:29,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-18 04:54:29,518 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1025716052] [2020-07-18 04:54:29,518 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-18 04:54:29,519 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-07-18 04:54:29,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663045313] [2020-07-18 04:54:29,519 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2020-07-18 04:54:29,520 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 04:54:29,520 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-18 04:54:29,552 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:54:29,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-18 04:54:29,553 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 04:54:29,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-18 04:54:29,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-18 04:54:29,554 INFO L87 Difference]: Start difference. First operand 44 states and 51 transitions. Second operand 7 states. [2020-07-18 04:54:30,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:54:30,210 INFO L93 Difference]: Finished difference Result 74 states and 94 transitions. [2020-07-18 04:54:30,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-18 04:54:30,211 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2020-07-18 04:54:30,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 04:54:30,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 04:54:30,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 86 transitions. [2020-07-18 04:54:30,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 04:54:30,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 86 transitions. [2020-07-18 04:54:30,219 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 86 transitions. [2020-07-18 04:54:30,326 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 86 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:54:30,331 INFO L225 Difference]: With dead ends: 74 [2020-07-18 04:54:30,331 INFO L226 Difference]: Without dead ends: 68 [2020-07-18 04:54:30,332 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-07-18 04:54:30,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-07-18 04:54:30,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2020-07-18 04:54:30,414 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 04:54:30,414 INFO L82 GeneralOperation]: Start isEquivalent. First operand 68 states. Second operand 66 states. [2020-07-18 04:54:30,414 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand 66 states. [2020-07-18 04:54:30,415 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 66 states. [2020-07-18 04:54:30,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:54:30,420 INFO L93 Difference]: Finished difference Result 68 states and 88 transitions. [2020-07-18 04:54:30,420 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2020-07-18 04:54:30,421 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:54:30,421 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:54:30,421 INFO L74 IsIncluded]: Start isIncluded. First operand 66 states. Second operand 68 states. [2020-07-18 04:54:30,422 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 68 states. [2020-07-18 04:54:30,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:54:30,427 INFO L93 Difference]: Finished difference Result 68 states and 88 transitions. [2020-07-18 04:54:30,427 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2020-07-18 04:54:30,428 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:54:30,428 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:54:30,428 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 04:54:30,428 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 04:54:30,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-07-18 04:54:30,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 83 transitions. [2020-07-18 04:54:30,433 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 83 transitions. Word has length 34 [2020-07-18 04:54:30,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 04:54:30,433 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 83 transitions. [2020-07-18 04:54:30,433 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-18 04:54:30,433 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 66 states and 83 transitions. [2020-07-18 04:54:30,537 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:54:30,538 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2020-07-18 04:54:30,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-07-18 04:54:30,541 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:54:30,541 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 04:54:30,541 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-18 04:54:30,542 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:54:30,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:54:30,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1875452576, now seen corresponding path program 1 times [2020-07-18 04:54:30,543 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:54:30,544 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [124688456] [2020-07-18 04:54:30,544 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:54:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:30,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:30,606 INFO L280 TraceCheckUtils]: 0: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-18 04:54:30,606 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1492#true} {1492#true} #59#return; {1492#true} is VALID [2020-07-18 04:54:30,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:30,719 INFO L280 TraceCheckUtils]: 0: Hoare triple {1492#true} ~n := #in~n; {1574#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:30,720 INFO L280 TraceCheckUtils]: 1: Hoare triple {1574#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:54:30,721 INFO L280 TraceCheckUtils]: 2: Hoare triple {1575#(<= |fibo1_#in~n| 0)} #res := 0; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:54:30,722 INFO L280 TraceCheckUtils]: 3: Hoare triple {1575#(<= |fibo1_#in~n| 0)} assume true; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:54:30,723 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1575#(<= |fibo1_#in~n| 0)} {1563#(< 1 fibo2_~n)} #65#return; {1493#false} is VALID [2020-07-18 04:54:30,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:30,730 INFO L280 TraceCheckUtils]: 0: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-18 04:54:30,730 INFO L280 TraceCheckUtils]: 1: Hoare triple {1492#true} assume ~n < 1; {1492#true} is VALID [2020-07-18 04:54:30,731 INFO L280 TraceCheckUtils]: 2: Hoare triple {1492#true} #res := 0; {1492#true} is VALID [2020-07-18 04:54:30,731 INFO L280 TraceCheckUtils]: 3: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-18 04:54:30,731 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1492#true} {1493#false} #67#return; {1493#false} is VALID [2020-07-18 04:54:30,731 INFO L280 TraceCheckUtils]: 0: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-18 04:54:30,732 INFO L280 TraceCheckUtils]: 1: Hoare triple {1492#true} assume !(~n < 1); {1562#(< 0 fibo2_~n)} is VALID [2020-07-18 04:54:30,733 INFO L280 TraceCheckUtils]: 2: Hoare triple {1562#(< 0 fibo2_~n)} assume !(1 == ~n); {1563#(< 1 fibo2_~n)} is VALID [2020-07-18 04:54:30,734 INFO L263 TraceCheckUtils]: 3: Hoare triple {1563#(< 1 fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {1492#true} is VALID [2020-07-18 04:54:30,734 INFO L280 TraceCheckUtils]: 4: Hoare triple {1492#true} ~n := #in~n; {1574#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:30,735 INFO L280 TraceCheckUtils]: 5: Hoare triple {1574#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:54:30,736 INFO L280 TraceCheckUtils]: 6: Hoare triple {1575#(<= |fibo1_#in~n| 0)} #res := 0; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:54:30,738 INFO L280 TraceCheckUtils]: 7: Hoare triple {1575#(<= |fibo1_#in~n| 0)} assume true; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:54:30,740 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1575#(<= |fibo1_#in~n| 0)} {1563#(< 1 fibo2_~n)} #65#return; {1493#false} is VALID [2020-07-18 04:54:30,740 INFO L280 TraceCheckUtils]: 9: Hoare triple {1493#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1493#false} is VALID [2020-07-18 04:54:30,740 INFO L263 TraceCheckUtils]: 10: Hoare triple {1493#false} call #t~ret3 := fibo1(~n - 2); {1492#true} is VALID [2020-07-18 04:54:30,740 INFO L280 TraceCheckUtils]: 11: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-18 04:54:30,741 INFO L280 TraceCheckUtils]: 12: Hoare triple {1492#true} assume ~n < 1; {1492#true} is VALID [2020-07-18 04:54:30,741 INFO L280 TraceCheckUtils]: 13: Hoare triple {1492#true} #res := 0; {1492#true} is VALID [2020-07-18 04:54:30,741 INFO L280 TraceCheckUtils]: 14: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-18 04:54:30,741 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {1492#true} {1493#false} #67#return; {1493#false} is VALID [2020-07-18 04:54:30,742 INFO L280 TraceCheckUtils]: 16: Hoare triple {1493#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {1493#false} is VALID [2020-07-18 04:54:30,742 INFO L280 TraceCheckUtils]: 17: Hoare triple {1493#false} #res := #t~ret2 + #t~ret3; {1493#false} is VALID [2020-07-18 04:54:30,742 INFO L280 TraceCheckUtils]: 18: Hoare triple {1493#false} havoc #t~ret3; {1493#false} is VALID [2020-07-18 04:54:30,742 INFO L280 TraceCheckUtils]: 19: Hoare triple {1493#false} havoc #t~ret2; {1493#false} is VALID [2020-07-18 04:54:30,743 INFO L280 TraceCheckUtils]: 20: Hoare triple {1493#false} assume true; {1493#false} is VALID [2020-07-18 04:54:30,743 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {1493#false} {1492#true} #69#return; {1493#false} is VALID [2020-07-18 04:54:30,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:30,748 INFO L280 TraceCheckUtils]: 0: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-18 04:54:30,748 INFO L280 TraceCheckUtils]: 1: Hoare triple {1492#true} assume ~n < 1; {1492#true} is VALID [2020-07-18 04:54:30,749 INFO L280 TraceCheckUtils]: 2: Hoare triple {1492#true} #res := 0; {1492#true} is VALID [2020-07-18 04:54:30,749 INFO L280 TraceCheckUtils]: 3: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-18 04:54:30,749 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1492#true} {1493#false} #71#return; {1493#false} is VALID [2020-07-18 04:54:30,750 INFO L280 TraceCheckUtils]: 0: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-18 04:54:30,750 INFO L280 TraceCheckUtils]: 1: Hoare triple {1492#true} assume !(~n < 1); {1492#true} is VALID [2020-07-18 04:54:30,750 INFO L280 TraceCheckUtils]: 2: Hoare triple {1492#true} assume !(1 == ~n); {1492#true} is VALID [2020-07-18 04:54:30,750 INFO L263 TraceCheckUtils]: 3: Hoare triple {1492#true} call #t~ret0 := fibo2(~n - 1); {1492#true} is VALID [2020-07-18 04:54:30,751 INFO L280 TraceCheckUtils]: 4: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-18 04:54:30,751 INFO L280 TraceCheckUtils]: 5: Hoare triple {1492#true} assume !(~n < 1); {1562#(< 0 fibo2_~n)} is VALID [2020-07-18 04:54:30,752 INFO L280 TraceCheckUtils]: 6: Hoare triple {1562#(< 0 fibo2_~n)} assume !(1 == ~n); {1563#(< 1 fibo2_~n)} is VALID [2020-07-18 04:54:30,753 INFO L263 TraceCheckUtils]: 7: Hoare triple {1563#(< 1 fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {1492#true} is VALID [2020-07-18 04:54:30,753 INFO L280 TraceCheckUtils]: 8: Hoare triple {1492#true} ~n := #in~n; {1574#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:30,754 INFO L280 TraceCheckUtils]: 9: Hoare triple {1574#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:54:30,755 INFO L280 TraceCheckUtils]: 10: Hoare triple {1575#(<= |fibo1_#in~n| 0)} #res := 0; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:54:30,755 INFO L280 TraceCheckUtils]: 11: Hoare triple {1575#(<= |fibo1_#in~n| 0)} assume true; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:54:30,756 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {1575#(<= |fibo1_#in~n| 0)} {1563#(< 1 fibo2_~n)} #65#return; {1493#false} is VALID [2020-07-18 04:54:30,756 INFO L280 TraceCheckUtils]: 13: Hoare triple {1493#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1493#false} is VALID [2020-07-18 04:54:30,757 INFO L263 TraceCheckUtils]: 14: Hoare triple {1493#false} call #t~ret3 := fibo1(~n - 2); {1492#true} is VALID [2020-07-18 04:54:30,757 INFO L280 TraceCheckUtils]: 15: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-18 04:54:30,757 INFO L280 TraceCheckUtils]: 16: Hoare triple {1492#true} assume ~n < 1; {1492#true} is VALID [2020-07-18 04:54:30,757 INFO L280 TraceCheckUtils]: 17: Hoare triple {1492#true} #res := 0; {1492#true} is VALID [2020-07-18 04:54:30,758 INFO L280 TraceCheckUtils]: 18: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-18 04:54:30,758 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {1492#true} {1493#false} #67#return; {1493#false} is VALID [2020-07-18 04:54:30,758 INFO L280 TraceCheckUtils]: 20: Hoare triple {1493#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {1493#false} is VALID [2020-07-18 04:54:30,758 INFO L280 TraceCheckUtils]: 21: Hoare triple {1493#false} #res := #t~ret2 + #t~ret3; {1493#false} is VALID [2020-07-18 04:54:30,759 INFO L280 TraceCheckUtils]: 22: Hoare triple {1493#false} havoc #t~ret3; {1493#false} is VALID [2020-07-18 04:54:30,759 INFO L280 TraceCheckUtils]: 23: Hoare triple {1493#false} havoc #t~ret2; {1493#false} is VALID [2020-07-18 04:54:30,759 INFO L280 TraceCheckUtils]: 24: Hoare triple {1493#false} assume true; {1493#false} is VALID [2020-07-18 04:54:30,759 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {1493#false} {1492#true} #69#return; {1493#false} is VALID [2020-07-18 04:54:30,760 INFO L280 TraceCheckUtils]: 26: Hoare triple {1493#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1493#false} is VALID [2020-07-18 04:54:30,760 INFO L263 TraceCheckUtils]: 27: Hoare triple {1493#false} call #t~ret1 := fibo2(~n - 2); {1492#true} is VALID [2020-07-18 04:54:30,760 INFO L280 TraceCheckUtils]: 28: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-18 04:54:30,760 INFO L280 TraceCheckUtils]: 29: Hoare triple {1492#true} assume ~n < 1; {1492#true} is VALID [2020-07-18 04:54:30,760 INFO L280 TraceCheckUtils]: 30: Hoare triple {1492#true} #res := 0; {1492#true} is VALID [2020-07-18 04:54:30,761 INFO L280 TraceCheckUtils]: 31: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-18 04:54:30,761 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {1492#true} {1493#false} #71#return; {1493#false} is VALID [2020-07-18 04:54:30,761 INFO L280 TraceCheckUtils]: 33: Hoare triple {1493#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1493#false} is VALID [2020-07-18 04:54:30,761 INFO L280 TraceCheckUtils]: 34: Hoare triple {1493#false} #res := #t~ret0 + #t~ret1; {1493#false} is VALID [2020-07-18 04:54:30,762 INFO L280 TraceCheckUtils]: 35: Hoare triple {1493#false} havoc #t~ret1; {1493#false} is VALID [2020-07-18 04:54:30,762 INFO L280 TraceCheckUtils]: 36: Hoare triple {1493#false} havoc #t~ret0; {1493#false} is VALID [2020-07-18 04:54:30,762 INFO L280 TraceCheckUtils]: 37: Hoare triple {1493#false} assume true; {1493#false} is VALID [2020-07-18 04:54:30,762 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {1493#false} {1492#true} #63#return; {1493#false} is VALID [2020-07-18 04:54:30,764 INFO L263 TraceCheckUtils]: 0: Hoare triple {1492#true} call ULTIMATE.init(); {1492#true} is VALID [2020-07-18 04:54:30,764 INFO L280 TraceCheckUtils]: 1: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-18 04:54:30,764 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1492#true} {1492#true} #59#return; {1492#true} is VALID [2020-07-18 04:54:30,764 INFO L263 TraceCheckUtils]: 3: Hoare triple {1492#true} call #t~ret5 := main(); {1492#true} is VALID [2020-07-18 04:54:30,765 INFO L280 TraceCheckUtils]: 4: Hoare triple {1492#true} ~x~0 := 4; {1492#true} is VALID [2020-07-18 04:54:30,765 INFO L263 TraceCheckUtils]: 5: Hoare triple {1492#true} call #t~ret4 := fibo1(~x~0); {1492#true} is VALID [2020-07-18 04:54:30,765 INFO L280 TraceCheckUtils]: 6: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-18 04:54:30,765 INFO L280 TraceCheckUtils]: 7: Hoare triple {1492#true} assume !(~n < 1); {1492#true} is VALID [2020-07-18 04:54:30,766 INFO L280 TraceCheckUtils]: 8: Hoare triple {1492#true} assume !(1 == ~n); {1492#true} is VALID [2020-07-18 04:54:30,766 INFO L263 TraceCheckUtils]: 9: Hoare triple {1492#true} call #t~ret0 := fibo2(~n - 1); {1492#true} is VALID [2020-07-18 04:54:30,766 INFO L280 TraceCheckUtils]: 10: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-18 04:54:30,767 INFO L280 TraceCheckUtils]: 11: Hoare triple {1492#true} assume !(~n < 1); {1562#(< 0 fibo2_~n)} is VALID [2020-07-18 04:54:30,768 INFO L280 TraceCheckUtils]: 12: Hoare triple {1562#(< 0 fibo2_~n)} assume !(1 == ~n); {1563#(< 1 fibo2_~n)} is VALID [2020-07-18 04:54:30,768 INFO L263 TraceCheckUtils]: 13: Hoare triple {1563#(< 1 fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {1492#true} is VALID [2020-07-18 04:54:30,769 INFO L280 TraceCheckUtils]: 14: Hoare triple {1492#true} ~n := #in~n; {1574#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:30,769 INFO L280 TraceCheckUtils]: 15: Hoare triple {1574#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:54:30,770 INFO L280 TraceCheckUtils]: 16: Hoare triple {1575#(<= |fibo1_#in~n| 0)} #res := 0; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:54:30,771 INFO L280 TraceCheckUtils]: 17: Hoare triple {1575#(<= |fibo1_#in~n| 0)} assume true; {1575#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:54:30,772 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {1575#(<= |fibo1_#in~n| 0)} {1563#(< 1 fibo2_~n)} #65#return; {1493#false} is VALID [2020-07-18 04:54:30,772 INFO L280 TraceCheckUtils]: 19: Hoare triple {1493#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1493#false} is VALID [2020-07-18 04:54:30,772 INFO L263 TraceCheckUtils]: 20: Hoare triple {1493#false} call #t~ret3 := fibo1(~n - 2); {1492#true} is VALID [2020-07-18 04:54:30,772 INFO L280 TraceCheckUtils]: 21: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-18 04:54:30,773 INFO L280 TraceCheckUtils]: 22: Hoare triple {1492#true} assume ~n < 1; {1492#true} is VALID [2020-07-18 04:54:30,773 INFO L280 TraceCheckUtils]: 23: Hoare triple {1492#true} #res := 0; {1492#true} is VALID [2020-07-18 04:54:30,773 INFO L280 TraceCheckUtils]: 24: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-18 04:54:30,773 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {1492#true} {1493#false} #67#return; {1493#false} is VALID [2020-07-18 04:54:30,774 INFO L280 TraceCheckUtils]: 26: Hoare triple {1493#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {1493#false} is VALID [2020-07-18 04:54:30,774 INFO L280 TraceCheckUtils]: 27: Hoare triple {1493#false} #res := #t~ret2 + #t~ret3; {1493#false} is VALID [2020-07-18 04:54:30,774 INFO L280 TraceCheckUtils]: 28: Hoare triple {1493#false} havoc #t~ret3; {1493#false} is VALID [2020-07-18 04:54:30,774 INFO L280 TraceCheckUtils]: 29: Hoare triple {1493#false} havoc #t~ret2; {1493#false} is VALID [2020-07-18 04:54:30,774 INFO L280 TraceCheckUtils]: 30: Hoare triple {1493#false} assume true; {1493#false} is VALID [2020-07-18 04:54:30,775 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {1493#false} {1492#true} #69#return; {1493#false} is VALID [2020-07-18 04:54:30,775 INFO L280 TraceCheckUtils]: 32: Hoare triple {1493#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1493#false} is VALID [2020-07-18 04:54:30,775 INFO L263 TraceCheckUtils]: 33: Hoare triple {1493#false} call #t~ret1 := fibo2(~n - 2); {1492#true} is VALID [2020-07-18 04:54:30,776 INFO L280 TraceCheckUtils]: 34: Hoare triple {1492#true} ~n := #in~n; {1492#true} is VALID [2020-07-18 04:54:30,776 INFO L280 TraceCheckUtils]: 35: Hoare triple {1492#true} assume ~n < 1; {1492#true} is VALID [2020-07-18 04:54:30,776 INFO L280 TraceCheckUtils]: 36: Hoare triple {1492#true} #res := 0; {1492#true} is VALID [2020-07-18 04:54:30,777 INFO L280 TraceCheckUtils]: 37: Hoare triple {1492#true} assume true; {1492#true} is VALID [2020-07-18 04:54:30,777 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {1492#true} {1493#false} #71#return; {1493#false} is VALID [2020-07-18 04:54:30,777 INFO L280 TraceCheckUtils]: 39: Hoare triple {1493#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1493#false} is VALID [2020-07-18 04:54:30,777 INFO L280 TraceCheckUtils]: 40: Hoare triple {1493#false} #res := #t~ret0 + #t~ret1; {1493#false} is VALID [2020-07-18 04:54:30,778 INFO L280 TraceCheckUtils]: 41: Hoare triple {1493#false} havoc #t~ret1; {1493#false} is VALID [2020-07-18 04:54:30,778 INFO L280 TraceCheckUtils]: 42: Hoare triple {1493#false} havoc #t~ret0; {1493#false} is VALID [2020-07-18 04:54:30,778 INFO L280 TraceCheckUtils]: 43: Hoare triple {1493#false} assume true; {1493#false} is VALID [2020-07-18 04:54:30,779 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {1493#false} {1492#true} #63#return; {1493#false} is VALID [2020-07-18 04:54:30,779 INFO L280 TraceCheckUtils]: 45: Hoare triple {1493#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {1493#false} is VALID [2020-07-18 04:54:30,779 INFO L280 TraceCheckUtils]: 46: Hoare triple {1493#false} ~result~0 := #t~ret4; {1493#false} is VALID [2020-07-18 04:54:30,779 INFO L280 TraceCheckUtils]: 47: Hoare triple {1493#false} havoc #t~ret4; {1493#false} is VALID [2020-07-18 04:54:30,779 INFO L280 TraceCheckUtils]: 48: Hoare triple {1493#false} assume 3 != ~result~0; {1493#false} is VALID [2020-07-18 04:54:30,780 INFO L280 TraceCheckUtils]: 49: Hoare triple {1493#false} assume !false; {1493#false} is VALID [2020-07-18 04:54:30,783 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-18 04:54:30,783 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [124688456] [2020-07-18 04:54:30,783 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-18 04:54:30,783 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-07-18 04:54:30,784 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117744685] [2020-07-18 04:54:30,784 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-07-18 04:54:30,785 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 04:54:30,785 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-18 04:54:30,834 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:54:30,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-18 04:54:30,834 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 04:54:30,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-18 04:54:30,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-18 04:54:30,835 INFO L87 Difference]: Start difference. First operand 66 states and 83 transitions. Second operand 6 states. [2020-07-18 04:54:31,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:54:31,189 INFO L93 Difference]: Finished difference Result 130 states and 178 transitions. [2020-07-18 04:54:31,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-18 04:54:31,189 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-07-18 04:54:31,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 04:54:31,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 04:54:31,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 98 transitions. [2020-07-18 04:54:31,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 04:54:31,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 98 transitions. [2020-07-18 04:54:31,199 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 98 transitions. [2020-07-18 04:54:31,306 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 98 edges. 98 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:54:31,309 INFO L225 Difference]: With dead ends: 130 [2020-07-18 04:54:31,310 INFO L226 Difference]: Without dead ends: 70 [2020-07-18 04:54:31,311 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-18 04:54:31,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-07-18 04:54:31,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2020-07-18 04:54:31,398 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 04:54:31,398 INFO L82 GeneralOperation]: Start isEquivalent. First operand 70 states. Second operand 70 states. [2020-07-18 04:54:31,399 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand 70 states. [2020-07-18 04:54:31,399 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 70 states. [2020-07-18 04:54:31,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:54:31,404 INFO L93 Difference]: Finished difference Result 70 states and 89 transitions. [2020-07-18 04:54:31,404 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2020-07-18 04:54:31,405 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:54:31,405 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:54:31,406 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand 70 states. [2020-07-18 04:54:31,406 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 70 states. [2020-07-18 04:54:31,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:54:31,410 INFO L93 Difference]: Finished difference Result 70 states and 89 transitions. [2020-07-18 04:54:31,410 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2020-07-18 04:54:31,411 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:54:31,411 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:54:31,411 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 04:54:31,411 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 04:54:31,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-07-18 04:54:31,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 89 transitions. [2020-07-18 04:54:31,416 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 89 transitions. Word has length 50 [2020-07-18 04:54:31,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 04:54:31,416 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 89 transitions. [2020-07-18 04:54:31,416 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-18 04:54:31,416 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 70 states and 89 transitions. [2020-07-18 04:54:31,527 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 89 edges. 89 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:54:31,527 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2020-07-18 04:54:31,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-18 04:54:31,529 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:54:31,530 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 04:54:31,530 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-18 04:54:31,530 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:54:31,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:54:31,531 INFO L82 PathProgramCache]: Analyzing trace with hash 104828256, now seen corresponding path program 1 times [2020-07-18 04:54:31,531 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:54:31,531 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [429383756] [2020-07-18 04:54:31,532 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:54:31,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:31,575 INFO L280 TraceCheckUtils]: 0: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-18 04:54:31,575 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2120#true} {2120#true} #59#return; {2120#true} is VALID [2020-07-18 04:54:31,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:31,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:31,672 INFO L280 TraceCheckUtils]: 0: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-18 04:54:31,673 INFO L280 TraceCheckUtils]: 1: Hoare triple {2120#true} assume !(~n < 1); {2120#true} is VALID [2020-07-18 04:54:31,673 INFO L280 TraceCheckUtils]: 2: Hoare triple {2120#true} assume 1 == ~n; {2120#true} is VALID [2020-07-18 04:54:31,673 INFO L280 TraceCheckUtils]: 3: Hoare triple {2120#true} #res := 1; {2120#true} is VALID [2020-07-18 04:54:31,673 INFO L280 TraceCheckUtils]: 4: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-18 04:54:31,674 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2120#true} {2196#(<= 2 |fibo2_#in~n|)} #65#return; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:31,680 INFO L280 TraceCheckUtils]: 0: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-18 04:54:31,680 INFO L280 TraceCheckUtils]: 1: Hoare triple {2120#true} assume ~n < 1; {2120#true} is VALID [2020-07-18 04:54:31,680 INFO L280 TraceCheckUtils]: 2: Hoare triple {2120#true} #res := 0; {2120#true} is VALID [2020-07-18 04:54:31,681 INFO L280 TraceCheckUtils]: 3: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-18 04:54:31,682 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2120#true} {2196#(<= 2 |fibo2_#in~n|)} #67#return; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:31,682 INFO L280 TraceCheckUtils]: 0: Hoare triple {2120#true} ~n := #in~n; {2194#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:31,683 INFO L280 TraceCheckUtils]: 1: Hoare triple {2194#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {2195#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-18 04:54:31,684 INFO L280 TraceCheckUtils]: 2: Hoare triple {2195#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:31,684 INFO L263 TraceCheckUtils]: 3: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {2120#true} is VALID [2020-07-18 04:54:31,684 INFO L280 TraceCheckUtils]: 4: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-18 04:54:31,685 INFO L280 TraceCheckUtils]: 5: Hoare triple {2120#true} assume !(~n < 1); {2120#true} is VALID [2020-07-18 04:54:31,685 INFO L280 TraceCheckUtils]: 6: Hoare triple {2120#true} assume 1 == ~n; {2120#true} is VALID [2020-07-18 04:54:31,685 INFO L280 TraceCheckUtils]: 7: Hoare triple {2120#true} #res := 1; {2120#true} is VALID [2020-07-18 04:54:31,685 INFO L280 TraceCheckUtils]: 8: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-18 04:54:31,686 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {2120#true} {2196#(<= 2 |fibo2_#in~n|)} #65#return; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:31,687 INFO L280 TraceCheckUtils]: 10: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:31,687 INFO L263 TraceCheckUtils]: 11: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {2120#true} is VALID [2020-07-18 04:54:31,688 INFO L280 TraceCheckUtils]: 12: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-18 04:54:31,688 INFO L280 TraceCheckUtils]: 13: Hoare triple {2120#true} assume ~n < 1; {2120#true} is VALID [2020-07-18 04:54:31,688 INFO L280 TraceCheckUtils]: 14: Hoare triple {2120#true} #res := 0; {2120#true} is VALID [2020-07-18 04:54:31,689 INFO L280 TraceCheckUtils]: 15: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-18 04:54:31,689 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {2120#true} {2196#(<= 2 |fibo2_#in~n|)} #67#return; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:31,690 INFO L280 TraceCheckUtils]: 17: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:31,691 INFO L280 TraceCheckUtils]: 18: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:31,692 INFO L280 TraceCheckUtils]: 19: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:31,693 INFO L280 TraceCheckUtils]: 20: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:31,693 INFO L280 TraceCheckUtils]: 21: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} assume true; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:31,695 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {2196#(<= 2 |fibo2_#in~n|)} {2120#true} #69#return; {2188#(<= 3 fibo1_~n)} is VALID [2020-07-18 04:54:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:31,717 INFO L280 TraceCheckUtils]: 0: Hoare triple {2120#true} ~n := #in~n; {2194#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:31,718 INFO L280 TraceCheckUtils]: 1: Hoare triple {2194#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-18 04:54:31,719 INFO L280 TraceCheckUtils]: 2: Hoare triple {2208#(<= |fibo2_#in~n| 0)} #res := 0; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-18 04:54:31,719 INFO L280 TraceCheckUtils]: 3: Hoare triple {2208#(<= |fibo2_#in~n| 0)} assume true; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-18 04:54:31,720 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2208#(<= |fibo2_#in~n| 0)} {2188#(<= 3 fibo1_~n)} #71#return; {2121#false} is VALID [2020-07-18 04:54:31,721 INFO L280 TraceCheckUtils]: 0: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-18 04:54:31,721 INFO L280 TraceCheckUtils]: 1: Hoare triple {2120#true} assume !(~n < 1); {2120#true} is VALID [2020-07-18 04:54:31,721 INFO L280 TraceCheckUtils]: 2: Hoare triple {2120#true} assume !(1 == ~n); {2120#true} is VALID [2020-07-18 04:54:31,722 INFO L263 TraceCheckUtils]: 3: Hoare triple {2120#true} call #t~ret0 := fibo2(~n - 1); {2120#true} is VALID [2020-07-18 04:54:31,722 INFO L280 TraceCheckUtils]: 4: Hoare triple {2120#true} ~n := #in~n; {2194#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:31,723 INFO L280 TraceCheckUtils]: 5: Hoare triple {2194#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {2195#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-18 04:54:31,725 INFO L280 TraceCheckUtils]: 6: Hoare triple {2195#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:31,725 INFO L263 TraceCheckUtils]: 7: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {2120#true} is VALID [2020-07-18 04:54:31,725 INFO L280 TraceCheckUtils]: 8: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-18 04:54:31,725 INFO L280 TraceCheckUtils]: 9: Hoare triple {2120#true} assume !(~n < 1); {2120#true} is VALID [2020-07-18 04:54:31,726 INFO L280 TraceCheckUtils]: 10: Hoare triple {2120#true} assume 1 == ~n; {2120#true} is VALID [2020-07-18 04:54:31,726 INFO L280 TraceCheckUtils]: 11: Hoare triple {2120#true} #res := 1; {2120#true} is VALID [2020-07-18 04:54:31,726 INFO L280 TraceCheckUtils]: 12: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-18 04:54:31,728 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {2120#true} {2196#(<= 2 |fibo2_#in~n|)} #65#return; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:31,728 INFO L280 TraceCheckUtils]: 14: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:31,729 INFO L263 TraceCheckUtils]: 15: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {2120#true} is VALID [2020-07-18 04:54:31,729 INFO L280 TraceCheckUtils]: 16: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-18 04:54:31,729 INFO L280 TraceCheckUtils]: 17: Hoare triple {2120#true} assume ~n < 1; {2120#true} is VALID [2020-07-18 04:54:31,730 INFO L280 TraceCheckUtils]: 18: Hoare triple {2120#true} #res := 0; {2120#true} is VALID [2020-07-18 04:54:31,730 INFO L280 TraceCheckUtils]: 19: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-18 04:54:31,731 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {2120#true} {2196#(<= 2 |fibo2_#in~n|)} #67#return; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:31,732 INFO L280 TraceCheckUtils]: 21: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:31,733 INFO L280 TraceCheckUtils]: 22: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:31,734 INFO L280 TraceCheckUtils]: 23: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:31,734 INFO L280 TraceCheckUtils]: 24: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:31,735 INFO L280 TraceCheckUtils]: 25: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} assume true; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:31,736 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {2196#(<= 2 |fibo2_#in~n|)} {2120#true} #69#return; {2188#(<= 3 fibo1_~n)} is VALID [2020-07-18 04:54:31,737 INFO L280 TraceCheckUtils]: 27: Hoare triple {2188#(<= 3 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2188#(<= 3 fibo1_~n)} is VALID [2020-07-18 04:54:31,737 INFO L263 TraceCheckUtils]: 28: Hoare triple {2188#(<= 3 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {2120#true} is VALID [2020-07-18 04:54:31,738 INFO L280 TraceCheckUtils]: 29: Hoare triple {2120#true} ~n := #in~n; {2194#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:31,739 INFO L280 TraceCheckUtils]: 30: Hoare triple {2194#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-18 04:54:31,739 INFO L280 TraceCheckUtils]: 31: Hoare triple {2208#(<= |fibo2_#in~n| 0)} #res := 0; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-18 04:54:31,740 INFO L280 TraceCheckUtils]: 32: Hoare triple {2208#(<= |fibo2_#in~n| 0)} assume true; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-18 04:54:31,741 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {2208#(<= |fibo2_#in~n| 0)} {2188#(<= 3 fibo1_~n)} #71#return; {2121#false} is VALID [2020-07-18 04:54:31,741 INFO L280 TraceCheckUtils]: 34: Hoare triple {2121#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2121#false} is VALID [2020-07-18 04:54:31,741 INFO L280 TraceCheckUtils]: 35: Hoare triple {2121#false} #res := #t~ret0 + #t~ret1; {2121#false} is VALID [2020-07-18 04:54:31,741 INFO L280 TraceCheckUtils]: 36: Hoare triple {2121#false} havoc #t~ret1; {2121#false} is VALID [2020-07-18 04:54:31,742 INFO L280 TraceCheckUtils]: 37: Hoare triple {2121#false} havoc #t~ret0; {2121#false} is VALID [2020-07-18 04:54:31,742 INFO L280 TraceCheckUtils]: 38: Hoare triple {2121#false} assume true; {2121#false} is VALID [2020-07-18 04:54:31,742 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {2121#false} {2124#(<= 4 main_~x~0)} #63#return; {2121#false} is VALID [2020-07-18 04:54:31,744 INFO L263 TraceCheckUtils]: 0: Hoare triple {2120#true} call ULTIMATE.init(); {2120#true} is VALID [2020-07-18 04:54:31,744 INFO L280 TraceCheckUtils]: 1: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-18 04:54:31,744 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2120#true} {2120#true} #59#return; {2120#true} is VALID [2020-07-18 04:54:31,744 INFO L263 TraceCheckUtils]: 3: Hoare triple {2120#true} call #t~ret5 := main(); {2120#true} is VALID [2020-07-18 04:54:31,745 INFO L280 TraceCheckUtils]: 4: Hoare triple {2120#true} ~x~0 := 4; {2124#(<= 4 main_~x~0)} is VALID [2020-07-18 04:54:31,745 INFO L263 TraceCheckUtils]: 5: Hoare triple {2124#(<= 4 main_~x~0)} call #t~ret4 := fibo1(~x~0); {2120#true} is VALID [2020-07-18 04:54:31,746 INFO L280 TraceCheckUtils]: 6: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-18 04:54:31,746 INFO L280 TraceCheckUtils]: 7: Hoare triple {2120#true} assume !(~n < 1); {2120#true} is VALID [2020-07-18 04:54:31,746 INFO L280 TraceCheckUtils]: 8: Hoare triple {2120#true} assume !(1 == ~n); {2120#true} is VALID [2020-07-18 04:54:31,747 INFO L263 TraceCheckUtils]: 9: Hoare triple {2120#true} call #t~ret0 := fibo2(~n - 1); {2120#true} is VALID [2020-07-18 04:54:31,747 INFO L280 TraceCheckUtils]: 10: Hoare triple {2120#true} ~n := #in~n; {2194#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:31,748 INFO L280 TraceCheckUtils]: 11: Hoare triple {2194#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {2195#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-18 04:54:31,749 INFO L280 TraceCheckUtils]: 12: Hoare triple {2195#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:31,749 INFO L263 TraceCheckUtils]: 13: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {2120#true} is VALID [2020-07-18 04:54:31,749 INFO L280 TraceCheckUtils]: 14: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-18 04:54:31,749 INFO L280 TraceCheckUtils]: 15: Hoare triple {2120#true} assume !(~n < 1); {2120#true} is VALID [2020-07-18 04:54:31,750 INFO L280 TraceCheckUtils]: 16: Hoare triple {2120#true} assume 1 == ~n; {2120#true} is VALID [2020-07-18 04:54:31,750 INFO L280 TraceCheckUtils]: 17: Hoare triple {2120#true} #res := 1; {2120#true} is VALID [2020-07-18 04:54:31,750 INFO L280 TraceCheckUtils]: 18: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-18 04:54:31,751 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {2120#true} {2196#(<= 2 |fibo2_#in~n|)} #65#return; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:31,751 INFO L280 TraceCheckUtils]: 20: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:31,752 INFO L263 TraceCheckUtils]: 21: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {2120#true} is VALID [2020-07-18 04:54:31,752 INFO L280 TraceCheckUtils]: 22: Hoare triple {2120#true} ~n := #in~n; {2120#true} is VALID [2020-07-18 04:54:31,752 INFO L280 TraceCheckUtils]: 23: Hoare triple {2120#true} assume ~n < 1; {2120#true} is VALID [2020-07-18 04:54:31,752 INFO L280 TraceCheckUtils]: 24: Hoare triple {2120#true} #res := 0; {2120#true} is VALID [2020-07-18 04:54:31,752 INFO L280 TraceCheckUtils]: 25: Hoare triple {2120#true} assume true; {2120#true} is VALID [2020-07-18 04:54:31,753 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {2120#true} {2196#(<= 2 |fibo2_#in~n|)} #67#return; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:31,754 INFO L280 TraceCheckUtils]: 27: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:31,755 INFO L280 TraceCheckUtils]: 28: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:31,755 INFO L280 TraceCheckUtils]: 29: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:31,756 INFO L280 TraceCheckUtils]: 30: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:31,757 INFO L280 TraceCheckUtils]: 31: Hoare triple {2196#(<= 2 |fibo2_#in~n|)} assume true; {2196#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:31,758 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {2196#(<= 2 |fibo2_#in~n|)} {2120#true} #69#return; {2188#(<= 3 fibo1_~n)} is VALID [2020-07-18 04:54:31,759 INFO L280 TraceCheckUtils]: 33: Hoare triple {2188#(<= 3 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2188#(<= 3 fibo1_~n)} is VALID [2020-07-18 04:54:31,759 INFO L263 TraceCheckUtils]: 34: Hoare triple {2188#(<= 3 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {2120#true} is VALID [2020-07-18 04:54:31,760 INFO L280 TraceCheckUtils]: 35: Hoare triple {2120#true} ~n := #in~n; {2194#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:31,761 INFO L280 TraceCheckUtils]: 36: Hoare triple {2194#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-18 04:54:31,762 INFO L280 TraceCheckUtils]: 37: Hoare triple {2208#(<= |fibo2_#in~n| 0)} #res := 0; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-18 04:54:31,763 INFO L280 TraceCheckUtils]: 38: Hoare triple {2208#(<= |fibo2_#in~n| 0)} assume true; {2208#(<= |fibo2_#in~n| 0)} is VALID [2020-07-18 04:54:31,764 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {2208#(<= |fibo2_#in~n| 0)} {2188#(<= 3 fibo1_~n)} #71#return; {2121#false} is VALID [2020-07-18 04:54:31,764 INFO L280 TraceCheckUtils]: 40: Hoare triple {2121#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2121#false} is VALID [2020-07-18 04:54:31,765 INFO L280 TraceCheckUtils]: 41: Hoare triple {2121#false} #res := #t~ret0 + #t~ret1; {2121#false} is VALID [2020-07-18 04:54:31,765 INFO L280 TraceCheckUtils]: 42: Hoare triple {2121#false} havoc #t~ret1; {2121#false} is VALID [2020-07-18 04:54:31,765 INFO L280 TraceCheckUtils]: 43: Hoare triple {2121#false} havoc #t~ret0; {2121#false} is VALID [2020-07-18 04:54:31,765 INFO L280 TraceCheckUtils]: 44: Hoare triple {2121#false} assume true; {2121#false} is VALID [2020-07-18 04:54:31,766 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {2121#false} {2124#(<= 4 main_~x~0)} #63#return; {2121#false} is VALID [2020-07-18 04:54:31,766 INFO L280 TraceCheckUtils]: 46: Hoare triple {2121#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {2121#false} is VALID [2020-07-18 04:54:31,766 INFO L280 TraceCheckUtils]: 47: Hoare triple {2121#false} ~result~0 := #t~ret4; {2121#false} is VALID [2020-07-18 04:54:31,766 INFO L280 TraceCheckUtils]: 48: Hoare triple {2121#false} havoc #t~ret4; {2121#false} is VALID [2020-07-18 04:54:31,767 INFO L280 TraceCheckUtils]: 49: Hoare triple {2121#false} assume 3 != ~result~0; {2121#false} is VALID [2020-07-18 04:54:31,767 INFO L280 TraceCheckUtils]: 50: Hoare triple {2121#false} assume !false; {2121#false} is VALID [2020-07-18 04:54:31,770 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-18 04:54:31,770 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [429383756] [2020-07-18 04:54:31,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-18 04:54:31,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-07-18 04:54:31,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929234394] [2020-07-18 04:54:31,771 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-07-18 04:54:31,772 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 04:54:31,772 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-18 04:54:31,828 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:54:31,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-18 04:54:31,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 04:54:31,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-18 04:54:31,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-18 04:54:31,829 INFO L87 Difference]: Start difference. First operand 70 states and 89 transitions. Second operand 8 states. [2020-07-18 04:54:32,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:54:32,386 INFO L93 Difference]: Finished difference Result 142 states and 197 transitions. [2020-07-18 04:54:32,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-18 04:54:32,387 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-07-18 04:54:32,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 04:54:32,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-18 04:54:32,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 108 transitions. [2020-07-18 04:54:32,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-18 04:54:32,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 108 transitions. [2020-07-18 04:54:32,396 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 108 transitions. [2020-07-18 04:54:32,503 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 108 edges. 108 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:54:32,506 INFO L225 Difference]: With dead ends: 142 [2020-07-18 04:54:32,506 INFO L226 Difference]: Without dead ends: 78 [2020-07-18 04:54:32,510 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-07-18 04:54:32,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-07-18 04:54:32,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 72. [2020-07-18 04:54:32,635 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 04:54:32,636 INFO L82 GeneralOperation]: Start isEquivalent. First operand 78 states. Second operand 72 states. [2020-07-18 04:54:32,636 INFO L74 IsIncluded]: Start isIncluded. First operand 78 states. Second operand 72 states. [2020-07-18 04:54:32,636 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 72 states. [2020-07-18 04:54:32,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:54:32,642 INFO L93 Difference]: Finished difference Result 78 states and 101 transitions. [2020-07-18 04:54:32,642 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 101 transitions. [2020-07-18 04:54:32,644 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:54:32,644 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:54:32,644 INFO L74 IsIncluded]: Start isIncluded. First operand 72 states. Second operand 78 states. [2020-07-18 04:54:32,644 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 78 states. [2020-07-18 04:54:32,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:54:32,650 INFO L93 Difference]: Finished difference Result 78 states and 101 transitions. [2020-07-18 04:54:32,650 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 101 transitions. [2020-07-18 04:54:32,650 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:54:32,651 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:54:32,651 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 04:54:32,651 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 04:54:32,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-07-18 04:54:32,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 92 transitions. [2020-07-18 04:54:32,656 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 92 transitions. Word has length 51 [2020-07-18 04:54:32,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 04:54:32,656 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 92 transitions. [2020-07-18 04:54:32,656 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-18 04:54:32,656 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 72 states and 92 transitions. [2020-07-18 04:54:32,772 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 92 edges. 92 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:54:32,773 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2020-07-18 04:54:32,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-18 04:54:32,774 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:54:32,774 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 04:54:32,775 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-18 04:54:32,775 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:54:32,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:54:32,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1703786405, now seen corresponding path program 1 times [2020-07-18 04:54:32,775 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:54:32,776 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1845162956] [2020-07-18 04:54:32,776 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:54:32,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:32,803 INFO L280 TraceCheckUtils]: 0: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-18 04:54:32,803 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2799#true} {2799#true} #59#return; {2799#true} is VALID [2020-07-18 04:54:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:32,940 INFO L280 TraceCheckUtils]: 0: Hoare triple {2799#true} ~n := #in~n; {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:32,941 INFO L280 TraceCheckUtils]: 1: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:32,941 INFO L280 TraceCheckUtils]: 2: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:54:32,942 INFO L280 TraceCheckUtils]: 3: Hoare triple {2889#(<= |fibo1_#in~n| 1)} #res := 1; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:54:32,943 INFO L280 TraceCheckUtils]: 4: Hoare triple {2889#(<= |fibo1_#in~n| 1)} assume true; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:54:32,944 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2889#(<= |fibo1_#in~n| 1)} {2876#(= fibo2_~n |fibo2_#in~n|)} #65#return; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:54:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:32,952 INFO L280 TraceCheckUtils]: 0: Hoare triple {2799#true} ~n := #in~n; {2799#true} is VALID [2020-07-18 04:54:32,952 INFO L280 TraceCheckUtils]: 1: Hoare triple {2799#true} assume ~n < 1; {2799#true} is VALID [2020-07-18 04:54:32,953 INFO L280 TraceCheckUtils]: 2: Hoare triple {2799#true} #res := 0; {2799#true} is VALID [2020-07-18 04:54:32,953 INFO L280 TraceCheckUtils]: 3: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-18 04:54:32,954 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2799#true} {2883#(<= |fibo2_#in~n| 2)} #67#return; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:54:32,955 INFO L280 TraceCheckUtils]: 0: Hoare triple {2799#true} ~n := #in~n; {2876#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:32,956 INFO L280 TraceCheckUtils]: 1: Hoare triple {2876#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {2876#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:32,956 INFO L280 TraceCheckUtils]: 2: Hoare triple {2876#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {2876#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:32,956 INFO L263 TraceCheckUtils]: 3: Hoare triple {2876#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {2799#true} is VALID [2020-07-18 04:54:32,957 INFO L280 TraceCheckUtils]: 4: Hoare triple {2799#true} ~n := #in~n; {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:32,957 INFO L280 TraceCheckUtils]: 5: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:32,958 INFO L280 TraceCheckUtils]: 6: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:54:32,958 INFO L280 TraceCheckUtils]: 7: Hoare triple {2889#(<= |fibo1_#in~n| 1)} #res := 1; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:54:32,959 INFO L280 TraceCheckUtils]: 8: Hoare triple {2889#(<= |fibo1_#in~n| 1)} assume true; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:54:32,960 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {2889#(<= |fibo1_#in~n| 1)} {2876#(= fibo2_~n |fibo2_#in~n|)} #65#return; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:54:32,960 INFO L280 TraceCheckUtils]: 10: Hoare triple {2883#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:54:32,961 INFO L263 TraceCheckUtils]: 11: Hoare triple {2883#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {2799#true} is VALID [2020-07-18 04:54:32,961 INFO L280 TraceCheckUtils]: 12: Hoare triple {2799#true} ~n := #in~n; {2799#true} is VALID [2020-07-18 04:54:32,961 INFO L280 TraceCheckUtils]: 13: Hoare triple {2799#true} assume ~n < 1; {2799#true} is VALID [2020-07-18 04:54:32,961 INFO L280 TraceCheckUtils]: 14: Hoare triple {2799#true} #res := 0; {2799#true} is VALID [2020-07-18 04:54:32,962 INFO L280 TraceCheckUtils]: 15: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-18 04:54:32,963 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {2799#true} {2883#(<= |fibo2_#in~n| 2)} #67#return; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:54:32,963 INFO L280 TraceCheckUtils]: 17: Hoare triple {2883#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:54:32,964 INFO L280 TraceCheckUtils]: 18: Hoare triple {2883#(<= |fibo2_#in~n| 2)} #res := #t~ret2 + #t~ret3; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:54:32,964 INFO L280 TraceCheckUtils]: 19: Hoare triple {2883#(<= |fibo2_#in~n| 2)} havoc #t~ret3; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:54:32,965 INFO L280 TraceCheckUtils]: 20: Hoare triple {2883#(<= |fibo2_#in~n| 2)} havoc #t~ret2; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:54:32,965 INFO L280 TraceCheckUtils]: 21: Hoare triple {2883#(<= |fibo2_#in~n| 2)} assume true; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:54:32,966 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {2883#(<= |fibo2_#in~n| 2)} {2845#(= fibo1_~n |fibo1_#in~n|)} #69#return; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:54:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:32,976 INFO L280 TraceCheckUtils]: 0: Hoare triple {2799#true} ~n := #in~n; {2799#true} is VALID [2020-07-18 04:54:32,976 INFO L280 TraceCheckUtils]: 1: Hoare triple {2799#true} assume !(~n < 1); {2799#true} is VALID [2020-07-18 04:54:32,977 INFO L280 TraceCheckUtils]: 2: Hoare triple {2799#true} assume 1 == ~n; {2799#true} is VALID [2020-07-18 04:54:32,977 INFO L280 TraceCheckUtils]: 3: Hoare triple {2799#true} #res := 1; {2799#true} is VALID [2020-07-18 04:54:32,985 INFO L280 TraceCheckUtils]: 4: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-18 04:54:32,987 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2799#true} {2869#(<= |fibo1_#in~n| 3)} #71#return; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:54:32,987 INFO L280 TraceCheckUtils]: 0: Hoare triple {2799#true} ~n := #in~n; {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:32,988 INFO L280 TraceCheckUtils]: 1: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:32,988 INFO L280 TraceCheckUtils]: 2: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:32,988 INFO L263 TraceCheckUtils]: 3: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {2799#true} is VALID [2020-07-18 04:54:32,988 INFO L280 TraceCheckUtils]: 4: Hoare triple {2799#true} ~n := #in~n; {2876#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:32,989 INFO L280 TraceCheckUtils]: 5: Hoare triple {2876#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {2876#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:32,989 INFO L280 TraceCheckUtils]: 6: Hoare triple {2876#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {2876#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:32,989 INFO L263 TraceCheckUtils]: 7: Hoare triple {2876#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {2799#true} is VALID [2020-07-18 04:54:32,990 INFO L280 TraceCheckUtils]: 8: Hoare triple {2799#true} ~n := #in~n; {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:32,990 INFO L280 TraceCheckUtils]: 9: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:32,990 INFO L280 TraceCheckUtils]: 10: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:54:32,991 INFO L280 TraceCheckUtils]: 11: Hoare triple {2889#(<= |fibo1_#in~n| 1)} #res := 1; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:54:32,991 INFO L280 TraceCheckUtils]: 12: Hoare triple {2889#(<= |fibo1_#in~n| 1)} assume true; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:54:32,992 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {2889#(<= |fibo1_#in~n| 1)} {2876#(= fibo2_~n |fibo2_#in~n|)} #65#return; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:54:32,992 INFO L280 TraceCheckUtils]: 14: Hoare triple {2883#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:54:32,993 INFO L263 TraceCheckUtils]: 15: Hoare triple {2883#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {2799#true} is VALID [2020-07-18 04:54:32,993 INFO L280 TraceCheckUtils]: 16: Hoare triple {2799#true} ~n := #in~n; {2799#true} is VALID [2020-07-18 04:54:32,993 INFO L280 TraceCheckUtils]: 17: Hoare triple {2799#true} assume ~n < 1; {2799#true} is VALID [2020-07-18 04:54:32,993 INFO L280 TraceCheckUtils]: 18: Hoare triple {2799#true} #res := 0; {2799#true} is VALID [2020-07-18 04:54:32,993 INFO L280 TraceCheckUtils]: 19: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-18 04:54:32,995 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {2799#true} {2883#(<= |fibo2_#in~n| 2)} #67#return; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:54:33,001 INFO L280 TraceCheckUtils]: 21: Hoare triple {2883#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:54:33,002 INFO L280 TraceCheckUtils]: 22: Hoare triple {2883#(<= |fibo2_#in~n| 2)} #res := #t~ret2 + #t~ret3; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:54:33,003 INFO L280 TraceCheckUtils]: 23: Hoare triple {2883#(<= |fibo2_#in~n| 2)} havoc #t~ret3; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:54:33,003 INFO L280 TraceCheckUtils]: 24: Hoare triple {2883#(<= |fibo2_#in~n| 2)} havoc #t~ret2; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:54:33,011 INFO L280 TraceCheckUtils]: 25: Hoare triple {2883#(<= |fibo2_#in~n| 2)} assume true; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:54:33,012 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {2883#(<= |fibo2_#in~n| 2)} {2845#(= fibo1_~n |fibo1_#in~n|)} #69#return; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:54:33,012 INFO L280 TraceCheckUtils]: 27: Hoare triple {2869#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:54:33,013 INFO L263 TraceCheckUtils]: 28: Hoare triple {2869#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {2799#true} is VALID [2020-07-18 04:54:33,013 INFO L280 TraceCheckUtils]: 29: Hoare triple {2799#true} ~n := #in~n; {2799#true} is VALID [2020-07-18 04:54:33,013 INFO L280 TraceCheckUtils]: 30: Hoare triple {2799#true} assume !(~n < 1); {2799#true} is VALID [2020-07-18 04:54:33,013 INFO L280 TraceCheckUtils]: 31: Hoare triple {2799#true} assume 1 == ~n; {2799#true} is VALID [2020-07-18 04:54:33,013 INFO L280 TraceCheckUtils]: 32: Hoare triple {2799#true} #res := 1; {2799#true} is VALID [2020-07-18 04:54:33,014 INFO L280 TraceCheckUtils]: 33: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-18 04:54:33,022 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {2799#true} {2869#(<= |fibo1_#in~n| 3)} #71#return; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:54:33,022 INFO L280 TraceCheckUtils]: 35: Hoare triple {2869#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:54:33,023 INFO L280 TraceCheckUtils]: 36: Hoare triple {2869#(<= |fibo1_#in~n| 3)} #res := #t~ret0 + #t~ret1; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:54:33,023 INFO L280 TraceCheckUtils]: 37: Hoare triple {2869#(<= |fibo1_#in~n| 3)} havoc #t~ret1; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:54:33,024 INFO L280 TraceCheckUtils]: 38: Hoare triple {2869#(<= |fibo1_#in~n| 3)} havoc #t~ret0; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:54:33,024 INFO L280 TraceCheckUtils]: 39: Hoare triple {2869#(<= |fibo1_#in~n| 3)} assume true; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:54:33,025 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {2869#(<= |fibo1_#in~n| 3)} {2803#(<= 4 main_~x~0)} #63#return; {2800#false} is VALID [2020-07-18 04:54:33,027 INFO L263 TraceCheckUtils]: 0: Hoare triple {2799#true} call ULTIMATE.init(); {2799#true} is VALID [2020-07-18 04:54:33,027 INFO L280 TraceCheckUtils]: 1: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-18 04:54:33,027 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2799#true} {2799#true} #59#return; {2799#true} is VALID [2020-07-18 04:54:33,027 INFO L263 TraceCheckUtils]: 3: Hoare triple {2799#true} call #t~ret5 := main(); {2799#true} is VALID [2020-07-18 04:54:33,028 INFO L280 TraceCheckUtils]: 4: Hoare triple {2799#true} ~x~0 := 4; {2803#(<= 4 main_~x~0)} is VALID [2020-07-18 04:54:33,028 INFO L263 TraceCheckUtils]: 5: Hoare triple {2803#(<= 4 main_~x~0)} call #t~ret4 := fibo1(~x~0); {2799#true} is VALID [2020-07-18 04:54:33,033 INFO L280 TraceCheckUtils]: 6: Hoare triple {2799#true} ~n := #in~n; {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:33,033 INFO L280 TraceCheckUtils]: 7: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:33,033 INFO L280 TraceCheckUtils]: 8: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:33,033 INFO L263 TraceCheckUtils]: 9: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {2799#true} is VALID [2020-07-18 04:54:33,034 INFO L280 TraceCheckUtils]: 10: Hoare triple {2799#true} ~n := #in~n; {2876#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:33,034 INFO L280 TraceCheckUtils]: 11: Hoare triple {2876#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {2876#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:33,035 INFO L280 TraceCheckUtils]: 12: Hoare triple {2876#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {2876#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:33,035 INFO L263 TraceCheckUtils]: 13: Hoare triple {2876#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {2799#true} is VALID [2020-07-18 04:54:33,035 INFO L280 TraceCheckUtils]: 14: Hoare triple {2799#true} ~n := #in~n; {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:33,035 INFO L280 TraceCheckUtils]: 15: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {2845#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:33,036 INFO L280 TraceCheckUtils]: 16: Hoare triple {2845#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:54:33,036 INFO L280 TraceCheckUtils]: 17: Hoare triple {2889#(<= |fibo1_#in~n| 1)} #res := 1; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:54:33,036 INFO L280 TraceCheckUtils]: 18: Hoare triple {2889#(<= |fibo1_#in~n| 1)} assume true; {2889#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:54:33,037 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {2889#(<= |fibo1_#in~n| 1)} {2876#(= fibo2_~n |fibo2_#in~n|)} #65#return; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:54:33,038 INFO L280 TraceCheckUtils]: 20: Hoare triple {2883#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:54:33,038 INFO L263 TraceCheckUtils]: 21: Hoare triple {2883#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {2799#true} is VALID [2020-07-18 04:54:33,038 INFO L280 TraceCheckUtils]: 22: Hoare triple {2799#true} ~n := #in~n; {2799#true} is VALID [2020-07-18 04:54:33,038 INFO L280 TraceCheckUtils]: 23: Hoare triple {2799#true} assume ~n < 1; {2799#true} is VALID [2020-07-18 04:54:33,038 INFO L280 TraceCheckUtils]: 24: Hoare triple {2799#true} #res := 0; {2799#true} is VALID [2020-07-18 04:54:33,038 INFO L280 TraceCheckUtils]: 25: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-18 04:54:33,039 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {2799#true} {2883#(<= |fibo2_#in~n| 2)} #67#return; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:54:33,040 INFO L280 TraceCheckUtils]: 27: Hoare triple {2883#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:54:33,040 INFO L280 TraceCheckUtils]: 28: Hoare triple {2883#(<= |fibo2_#in~n| 2)} #res := #t~ret2 + #t~ret3; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:54:33,040 INFO L280 TraceCheckUtils]: 29: Hoare triple {2883#(<= |fibo2_#in~n| 2)} havoc #t~ret3; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:54:33,041 INFO L280 TraceCheckUtils]: 30: Hoare triple {2883#(<= |fibo2_#in~n| 2)} havoc #t~ret2; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:54:33,041 INFO L280 TraceCheckUtils]: 31: Hoare triple {2883#(<= |fibo2_#in~n| 2)} assume true; {2883#(<= |fibo2_#in~n| 2)} is VALID [2020-07-18 04:54:33,042 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {2883#(<= |fibo2_#in~n| 2)} {2845#(= fibo1_~n |fibo1_#in~n|)} #69#return; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:54:33,042 INFO L280 TraceCheckUtils]: 33: Hoare triple {2869#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:54:33,043 INFO L263 TraceCheckUtils]: 34: Hoare triple {2869#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {2799#true} is VALID [2020-07-18 04:54:33,043 INFO L280 TraceCheckUtils]: 35: Hoare triple {2799#true} ~n := #in~n; {2799#true} is VALID [2020-07-18 04:54:33,043 INFO L280 TraceCheckUtils]: 36: Hoare triple {2799#true} assume !(~n < 1); {2799#true} is VALID [2020-07-18 04:54:33,043 INFO L280 TraceCheckUtils]: 37: Hoare triple {2799#true} assume 1 == ~n; {2799#true} is VALID [2020-07-18 04:54:33,043 INFO L280 TraceCheckUtils]: 38: Hoare triple {2799#true} #res := 1; {2799#true} is VALID [2020-07-18 04:54:33,043 INFO L280 TraceCheckUtils]: 39: Hoare triple {2799#true} assume true; {2799#true} is VALID [2020-07-18 04:54:33,044 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {2799#true} {2869#(<= |fibo1_#in~n| 3)} #71#return; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:54:33,044 INFO L280 TraceCheckUtils]: 41: Hoare triple {2869#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:54:33,045 INFO L280 TraceCheckUtils]: 42: Hoare triple {2869#(<= |fibo1_#in~n| 3)} #res := #t~ret0 + #t~ret1; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:54:33,045 INFO L280 TraceCheckUtils]: 43: Hoare triple {2869#(<= |fibo1_#in~n| 3)} havoc #t~ret1; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:54:33,046 INFO L280 TraceCheckUtils]: 44: Hoare triple {2869#(<= |fibo1_#in~n| 3)} havoc #t~ret0; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:54:33,046 INFO L280 TraceCheckUtils]: 45: Hoare triple {2869#(<= |fibo1_#in~n| 3)} assume true; {2869#(<= |fibo1_#in~n| 3)} is VALID [2020-07-18 04:54:33,047 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {2869#(<= |fibo1_#in~n| 3)} {2803#(<= 4 main_~x~0)} #63#return; {2800#false} is VALID [2020-07-18 04:54:33,047 INFO L280 TraceCheckUtils]: 47: Hoare triple {2800#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {2800#false} is VALID [2020-07-18 04:54:33,047 INFO L280 TraceCheckUtils]: 48: Hoare triple {2800#false} ~result~0 := #t~ret4; {2800#false} is VALID [2020-07-18 04:54:33,047 INFO L280 TraceCheckUtils]: 49: Hoare triple {2800#false} havoc #t~ret4; {2800#false} is VALID [2020-07-18 04:54:33,047 INFO L280 TraceCheckUtils]: 50: Hoare triple {2800#false} assume 3 != ~result~0; {2800#false} is VALID [2020-07-18 04:54:33,048 INFO L280 TraceCheckUtils]: 51: Hoare triple {2800#false} assume !false; {2800#false} is VALID [2020-07-18 04:54:33,050 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-18 04:54:33,050 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1845162956] [2020-07-18 04:54:33,050 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-18 04:54:33,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-07-18 04:54:33,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791529726] [2020-07-18 04:54:33,051 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-18 04:54:33,052 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 04:54:33,052 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-18 04:54:33,102 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:54:33,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-18 04:54:33,103 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 04:54:33,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-18 04:54:33,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-18 04:54:33,103 INFO L87 Difference]: Start difference. First operand 72 states and 92 transitions. Second operand 8 states. [2020-07-18 04:54:33,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:54:33,807 INFO L93 Difference]: Finished difference Result 118 states and 158 transitions. [2020-07-18 04:54:33,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-18 04:54:33,807 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-18 04:54:33,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 04:54:33,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-18 04:54:33,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 96 transitions. [2020-07-18 04:54:33,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-18 04:54:33,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 96 transitions. [2020-07-18 04:54:33,814 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 96 transitions. [2020-07-18 04:54:33,942 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 96 edges. 96 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:54:33,947 INFO L225 Difference]: With dead ends: 118 [2020-07-18 04:54:33,947 INFO L226 Difference]: Without dead ends: 112 [2020-07-18 04:54:33,947 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-07-18 04:54:33,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-07-18 04:54:34,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 106. [2020-07-18 04:54:34,137 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 04:54:34,137 INFO L82 GeneralOperation]: Start isEquivalent. First operand 112 states. Second operand 106 states. [2020-07-18 04:54:34,137 INFO L74 IsIncluded]: Start isIncluded. First operand 112 states. Second operand 106 states. [2020-07-18 04:54:34,138 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 106 states. [2020-07-18 04:54:34,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:54:34,145 INFO L93 Difference]: Finished difference Result 112 states and 152 transitions. [2020-07-18 04:54:34,145 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 152 transitions. [2020-07-18 04:54:34,146 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:54:34,146 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:54:34,146 INFO L74 IsIncluded]: Start isIncluded. First operand 106 states. Second operand 112 states. [2020-07-18 04:54:34,146 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 112 states. [2020-07-18 04:54:34,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:54:34,152 INFO L93 Difference]: Finished difference Result 112 states and 152 transitions. [2020-07-18 04:54:34,153 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 152 transitions. [2020-07-18 04:54:34,154 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:54:34,154 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:54:34,154 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 04:54:34,154 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 04:54:34,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-07-18 04:54:34,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 145 transitions. [2020-07-18 04:54:34,160 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 145 transitions. Word has length 52 [2020-07-18 04:54:34,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 04:54:34,160 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 145 transitions. [2020-07-18 04:54:34,161 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-18 04:54:34,161 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 106 states and 145 transitions. [2020-07-18 04:54:34,328 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 145 edges. 145 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:54:34,328 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 145 transitions. [2020-07-18 04:54:34,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-18 04:54:34,330 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:54:34,330 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 04:54:34,331 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-18 04:54:34,331 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:54:34,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:54:34,331 INFO L82 PathProgramCache]: Analyzing trace with hash -521446491, now seen corresponding path program 1 times [2020-07-18 04:54:34,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:54:34,332 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1449806910] [2020-07-18 04:54:34,332 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:54:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:34,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:34,365 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-18 04:54:34,365 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3573#true} {3573#true} #59#return; {3573#true} is VALID [2020-07-18 04:54:34,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:34,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:34,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:34,482 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-18 04:54:34,482 INFO L280 TraceCheckUtils]: 1: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-18 04:54:34,482 INFO L280 TraceCheckUtils]: 2: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-18 04:54:34,482 INFO L280 TraceCheckUtils]: 3: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-18 04:54:34,483 INFO L280 TraceCheckUtils]: 4: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-18 04:54:34,484 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #69#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:34,488 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-18 04:54:34,489 INFO L280 TraceCheckUtils]: 1: Hoare triple {3573#true} assume ~n < 1; {3573#true} is VALID [2020-07-18 04:54:34,489 INFO L280 TraceCheckUtils]: 2: Hoare triple {3573#true} #res := 0; {3573#true} is VALID [2020-07-18 04:54:34,489 INFO L280 TraceCheckUtils]: 3: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-18 04:54:34,490 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #71#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,491 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,491 INFO L280 TraceCheckUtils]: 1: Hoare triple {3711#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {3712#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-18 04:54:34,492 INFO L280 TraceCheckUtils]: 2: Hoare triple {3712#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,492 INFO L263 TraceCheckUtils]: 3: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {3573#true} is VALID [2020-07-18 04:54:34,493 INFO L280 TraceCheckUtils]: 4: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-18 04:54:34,493 INFO L280 TraceCheckUtils]: 5: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-18 04:54:34,493 INFO L280 TraceCheckUtils]: 6: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-18 04:54:34,493 INFO L280 TraceCheckUtils]: 7: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-18 04:54:34,493 INFO L280 TraceCheckUtils]: 8: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-18 04:54:34,494 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #69#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,495 INFO L280 TraceCheckUtils]: 10: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,495 INFO L263 TraceCheckUtils]: 11: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3573#true} is VALID [2020-07-18 04:54:34,495 INFO L280 TraceCheckUtils]: 12: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-18 04:54:34,496 INFO L280 TraceCheckUtils]: 13: Hoare triple {3573#true} assume ~n < 1; {3573#true} is VALID [2020-07-18 04:54:34,496 INFO L280 TraceCheckUtils]: 14: Hoare triple {3573#true} #res := 0; {3573#true} is VALID [2020-07-18 04:54:34,496 INFO L280 TraceCheckUtils]: 15: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-18 04:54:34,497 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #71#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,498 INFO L280 TraceCheckUtils]: 17: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,498 INFO L280 TraceCheckUtils]: 18: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,499 INFO L280 TraceCheckUtils]: 19: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,500 INFO L280 TraceCheckUtils]: 20: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,500 INFO L280 TraceCheckUtils]: 21: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume true; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,502 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {3713#(<= 2 |fibo1_#in~n|)} {3573#true} #65#return; {3705#(<= 3 fibo2_~n)} is VALID [2020-07-18 04:54:34,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:34,521 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,522 INFO L280 TraceCheckUtils]: 1: Hoare triple {3711#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:54:34,522 INFO L280 TraceCheckUtils]: 2: Hoare triple {3725#(<= |fibo1_#in~n| 0)} #res := 0; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:54:34,523 INFO L280 TraceCheckUtils]: 3: Hoare triple {3725#(<= |fibo1_#in~n| 0)} assume true; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:54:34,524 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3725#(<= |fibo1_#in~n| 0)} {3705#(<= 3 fibo2_~n)} #67#return; {3574#false} is VALID [2020-07-18 04:54:34,524 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-18 04:54:34,524 INFO L280 TraceCheckUtils]: 1: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-18 04:54:34,525 INFO L280 TraceCheckUtils]: 2: Hoare triple {3573#true} assume !(1 == ~n); {3573#true} is VALID [2020-07-18 04:54:34,525 INFO L263 TraceCheckUtils]: 3: Hoare triple {3573#true} call #t~ret2 := fibo1(~n - 1); {3573#true} is VALID [2020-07-18 04:54:34,525 INFO L280 TraceCheckUtils]: 4: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,526 INFO L280 TraceCheckUtils]: 5: Hoare triple {3711#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {3712#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-18 04:54:34,527 INFO L280 TraceCheckUtils]: 6: Hoare triple {3712#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,527 INFO L263 TraceCheckUtils]: 7: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {3573#true} is VALID [2020-07-18 04:54:34,527 INFO L280 TraceCheckUtils]: 8: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-18 04:54:34,528 INFO L280 TraceCheckUtils]: 9: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-18 04:54:34,528 INFO L280 TraceCheckUtils]: 10: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-18 04:54:34,528 INFO L280 TraceCheckUtils]: 11: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-18 04:54:34,528 INFO L280 TraceCheckUtils]: 12: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-18 04:54:34,529 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #69#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,530 INFO L280 TraceCheckUtils]: 14: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,530 INFO L263 TraceCheckUtils]: 15: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3573#true} is VALID [2020-07-18 04:54:34,530 INFO L280 TraceCheckUtils]: 16: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-18 04:54:34,530 INFO L280 TraceCheckUtils]: 17: Hoare triple {3573#true} assume ~n < 1; {3573#true} is VALID [2020-07-18 04:54:34,531 INFO L280 TraceCheckUtils]: 18: Hoare triple {3573#true} #res := 0; {3573#true} is VALID [2020-07-18 04:54:34,531 INFO L280 TraceCheckUtils]: 19: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-18 04:54:34,532 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #71#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,532 INFO L280 TraceCheckUtils]: 21: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,533 INFO L280 TraceCheckUtils]: 22: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,533 INFO L280 TraceCheckUtils]: 23: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,534 INFO L280 TraceCheckUtils]: 24: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,534 INFO L280 TraceCheckUtils]: 25: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume true; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,535 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {3713#(<= 2 |fibo1_#in~n|)} {3573#true} #65#return; {3705#(<= 3 fibo2_~n)} is VALID [2020-07-18 04:54:34,536 INFO L280 TraceCheckUtils]: 27: Hoare triple {3705#(<= 3 fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3705#(<= 3 fibo2_~n)} is VALID [2020-07-18 04:54:34,536 INFO L263 TraceCheckUtils]: 28: Hoare triple {3705#(<= 3 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {3573#true} is VALID [2020-07-18 04:54:34,537 INFO L280 TraceCheckUtils]: 29: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,538 INFO L280 TraceCheckUtils]: 30: Hoare triple {3711#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:54:34,538 INFO L280 TraceCheckUtils]: 31: Hoare triple {3725#(<= |fibo1_#in~n| 0)} #res := 0; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:54:34,539 INFO L280 TraceCheckUtils]: 32: Hoare triple {3725#(<= |fibo1_#in~n| 0)} assume true; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:54:34,540 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {3725#(<= |fibo1_#in~n| 0)} {3705#(<= 3 fibo2_~n)} #67#return; {3574#false} is VALID [2020-07-18 04:54:34,540 INFO L280 TraceCheckUtils]: 34: Hoare triple {3574#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {3574#false} is VALID [2020-07-18 04:54:34,541 INFO L280 TraceCheckUtils]: 35: Hoare triple {3574#false} #res := #t~ret2 + #t~ret3; {3574#false} is VALID [2020-07-18 04:54:34,541 INFO L280 TraceCheckUtils]: 36: Hoare triple {3574#false} havoc #t~ret3; {3574#false} is VALID [2020-07-18 04:54:34,541 INFO L280 TraceCheckUtils]: 37: Hoare triple {3574#false} havoc #t~ret2; {3574#false} is VALID [2020-07-18 04:54:34,542 INFO L280 TraceCheckUtils]: 38: Hoare triple {3574#false} assume true; {3574#false} is VALID [2020-07-18 04:54:34,542 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {3574#false} {3573#true} #69#return; {3574#false} is VALID [2020-07-18 04:54:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:34,549 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-18 04:54:34,550 INFO L280 TraceCheckUtils]: 1: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-18 04:54:34,550 INFO L280 TraceCheckUtils]: 2: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-18 04:54:34,550 INFO L280 TraceCheckUtils]: 3: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-18 04:54:34,550 INFO L280 TraceCheckUtils]: 4: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-18 04:54:34,550 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3573#true} {3574#false} #71#return; {3574#false} is VALID [2020-07-18 04:54:34,551 INFO L280 TraceCheckUtils]: 0: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-18 04:54:34,551 INFO L280 TraceCheckUtils]: 1: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-18 04:54:34,551 INFO L280 TraceCheckUtils]: 2: Hoare triple {3573#true} assume !(1 == ~n); {3573#true} is VALID [2020-07-18 04:54:34,551 INFO L263 TraceCheckUtils]: 3: Hoare triple {3573#true} call #t~ret0 := fibo2(~n - 1); {3573#true} is VALID [2020-07-18 04:54:34,552 INFO L280 TraceCheckUtils]: 4: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-18 04:54:34,552 INFO L280 TraceCheckUtils]: 5: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-18 04:54:34,552 INFO L280 TraceCheckUtils]: 6: Hoare triple {3573#true} assume !(1 == ~n); {3573#true} is VALID [2020-07-18 04:54:34,552 INFO L263 TraceCheckUtils]: 7: Hoare triple {3573#true} call #t~ret2 := fibo1(~n - 1); {3573#true} is VALID [2020-07-18 04:54:34,553 INFO L280 TraceCheckUtils]: 8: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,554 INFO L280 TraceCheckUtils]: 9: Hoare triple {3711#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {3712#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-18 04:54:34,555 INFO L280 TraceCheckUtils]: 10: Hoare triple {3712#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,555 INFO L263 TraceCheckUtils]: 11: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {3573#true} is VALID [2020-07-18 04:54:34,555 INFO L280 TraceCheckUtils]: 12: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-18 04:54:34,556 INFO L280 TraceCheckUtils]: 13: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-18 04:54:34,556 INFO L280 TraceCheckUtils]: 14: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-18 04:54:34,556 INFO L280 TraceCheckUtils]: 15: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-18 04:54:34,556 INFO L280 TraceCheckUtils]: 16: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-18 04:54:34,557 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #69#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,558 INFO L280 TraceCheckUtils]: 18: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,558 INFO L263 TraceCheckUtils]: 19: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3573#true} is VALID [2020-07-18 04:54:34,558 INFO L280 TraceCheckUtils]: 20: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-18 04:54:34,558 INFO L280 TraceCheckUtils]: 21: Hoare triple {3573#true} assume ~n < 1; {3573#true} is VALID [2020-07-18 04:54:34,558 INFO L280 TraceCheckUtils]: 22: Hoare triple {3573#true} #res := 0; {3573#true} is VALID [2020-07-18 04:54:34,558 INFO L280 TraceCheckUtils]: 23: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-18 04:54:34,559 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #71#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,560 INFO L280 TraceCheckUtils]: 25: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,560 INFO L280 TraceCheckUtils]: 26: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,561 INFO L280 TraceCheckUtils]: 27: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,561 INFO L280 TraceCheckUtils]: 28: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,562 INFO L280 TraceCheckUtils]: 29: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume true; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,563 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {3713#(<= 2 |fibo1_#in~n|)} {3573#true} #65#return; {3705#(<= 3 fibo2_~n)} is VALID [2020-07-18 04:54:34,564 INFO L280 TraceCheckUtils]: 31: Hoare triple {3705#(<= 3 fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3705#(<= 3 fibo2_~n)} is VALID [2020-07-18 04:54:34,564 INFO L263 TraceCheckUtils]: 32: Hoare triple {3705#(<= 3 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {3573#true} is VALID [2020-07-18 04:54:34,564 INFO L280 TraceCheckUtils]: 33: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,565 INFO L280 TraceCheckUtils]: 34: Hoare triple {3711#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:54:34,566 INFO L280 TraceCheckUtils]: 35: Hoare triple {3725#(<= |fibo1_#in~n| 0)} #res := 0; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:54:34,566 INFO L280 TraceCheckUtils]: 36: Hoare triple {3725#(<= |fibo1_#in~n| 0)} assume true; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:54:34,567 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {3725#(<= |fibo1_#in~n| 0)} {3705#(<= 3 fibo2_~n)} #67#return; {3574#false} is VALID [2020-07-18 04:54:34,567 INFO L280 TraceCheckUtils]: 38: Hoare triple {3574#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {3574#false} is VALID [2020-07-18 04:54:34,568 INFO L280 TraceCheckUtils]: 39: Hoare triple {3574#false} #res := #t~ret2 + #t~ret3; {3574#false} is VALID [2020-07-18 04:54:34,568 INFO L280 TraceCheckUtils]: 40: Hoare triple {3574#false} havoc #t~ret3; {3574#false} is VALID [2020-07-18 04:54:34,568 INFO L280 TraceCheckUtils]: 41: Hoare triple {3574#false} havoc #t~ret2; {3574#false} is VALID [2020-07-18 04:54:34,568 INFO L280 TraceCheckUtils]: 42: Hoare triple {3574#false} assume true; {3574#false} is VALID [2020-07-18 04:54:34,568 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {3574#false} {3573#true} #69#return; {3574#false} is VALID [2020-07-18 04:54:34,569 INFO L280 TraceCheckUtils]: 44: Hoare triple {3574#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3574#false} is VALID [2020-07-18 04:54:34,569 INFO L263 TraceCheckUtils]: 45: Hoare triple {3574#false} call #t~ret1 := fibo2(~n - 2); {3573#true} is VALID [2020-07-18 04:54:34,569 INFO L280 TraceCheckUtils]: 46: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-18 04:54:34,569 INFO L280 TraceCheckUtils]: 47: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-18 04:54:34,569 INFO L280 TraceCheckUtils]: 48: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-18 04:54:34,570 INFO L280 TraceCheckUtils]: 49: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-18 04:54:34,570 INFO L280 TraceCheckUtils]: 50: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-18 04:54:34,570 INFO L275 TraceCheckUtils]: 51: Hoare quadruple {3573#true} {3574#false} #71#return; {3574#false} is VALID [2020-07-18 04:54:34,570 INFO L280 TraceCheckUtils]: 52: Hoare triple {3574#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3574#false} is VALID [2020-07-18 04:54:34,570 INFO L280 TraceCheckUtils]: 53: Hoare triple {3574#false} #res := #t~ret0 + #t~ret1; {3574#false} is VALID [2020-07-18 04:54:34,570 INFO L280 TraceCheckUtils]: 54: Hoare triple {3574#false} havoc #t~ret1; {3574#false} is VALID [2020-07-18 04:54:34,571 INFO L280 TraceCheckUtils]: 55: Hoare triple {3574#false} havoc #t~ret0; {3574#false} is VALID [2020-07-18 04:54:34,571 INFO L280 TraceCheckUtils]: 56: Hoare triple {3574#false} assume true; {3574#false} is VALID [2020-07-18 04:54:34,571 INFO L275 TraceCheckUtils]: 57: Hoare quadruple {3574#false} {3577#(<= 4 main_~x~0)} #63#return; {3574#false} is VALID [2020-07-18 04:54:34,574 INFO L263 TraceCheckUtils]: 0: Hoare triple {3573#true} call ULTIMATE.init(); {3573#true} is VALID [2020-07-18 04:54:34,575 INFO L280 TraceCheckUtils]: 1: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-18 04:54:34,575 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3573#true} {3573#true} #59#return; {3573#true} is VALID [2020-07-18 04:54:34,575 INFO L263 TraceCheckUtils]: 3: Hoare triple {3573#true} call #t~ret5 := main(); {3573#true} is VALID [2020-07-18 04:54:34,576 INFO L280 TraceCheckUtils]: 4: Hoare triple {3573#true} ~x~0 := 4; {3577#(<= 4 main_~x~0)} is VALID [2020-07-18 04:54:34,576 INFO L263 TraceCheckUtils]: 5: Hoare triple {3577#(<= 4 main_~x~0)} call #t~ret4 := fibo1(~x~0); {3573#true} is VALID [2020-07-18 04:54:34,576 INFO L280 TraceCheckUtils]: 6: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-18 04:54:34,576 INFO L280 TraceCheckUtils]: 7: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-18 04:54:34,577 INFO L280 TraceCheckUtils]: 8: Hoare triple {3573#true} assume !(1 == ~n); {3573#true} is VALID [2020-07-18 04:54:34,577 INFO L263 TraceCheckUtils]: 9: Hoare triple {3573#true} call #t~ret0 := fibo2(~n - 1); {3573#true} is VALID [2020-07-18 04:54:34,577 INFO L280 TraceCheckUtils]: 10: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-18 04:54:34,577 INFO L280 TraceCheckUtils]: 11: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-18 04:54:34,577 INFO L280 TraceCheckUtils]: 12: Hoare triple {3573#true} assume !(1 == ~n); {3573#true} is VALID [2020-07-18 04:54:34,578 INFO L263 TraceCheckUtils]: 13: Hoare triple {3573#true} call #t~ret2 := fibo1(~n - 1); {3573#true} is VALID [2020-07-18 04:54:34,578 INFO L280 TraceCheckUtils]: 14: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,579 INFO L280 TraceCheckUtils]: 15: Hoare triple {3711#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {3712#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-18 04:54:34,580 INFO L280 TraceCheckUtils]: 16: Hoare triple {3712#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,580 INFO L263 TraceCheckUtils]: 17: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {3573#true} is VALID [2020-07-18 04:54:34,580 INFO L280 TraceCheckUtils]: 18: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-18 04:54:34,580 INFO L280 TraceCheckUtils]: 19: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-18 04:54:34,581 INFO L280 TraceCheckUtils]: 20: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-18 04:54:34,581 INFO L280 TraceCheckUtils]: 21: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-18 04:54:34,581 INFO L280 TraceCheckUtils]: 22: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-18 04:54:34,582 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #69#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,582 INFO L280 TraceCheckUtils]: 24: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,583 INFO L263 TraceCheckUtils]: 25: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3573#true} is VALID [2020-07-18 04:54:34,583 INFO L280 TraceCheckUtils]: 26: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-18 04:54:34,583 INFO L280 TraceCheckUtils]: 27: Hoare triple {3573#true} assume ~n < 1; {3573#true} is VALID [2020-07-18 04:54:34,583 INFO L280 TraceCheckUtils]: 28: Hoare triple {3573#true} #res := 0; {3573#true} is VALID [2020-07-18 04:54:34,583 INFO L280 TraceCheckUtils]: 29: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-18 04:54:34,584 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {3573#true} {3713#(<= 2 |fibo1_#in~n|)} #71#return; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,585 INFO L280 TraceCheckUtils]: 31: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,585 INFO L280 TraceCheckUtils]: 32: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,586 INFO L280 TraceCheckUtils]: 33: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,586 INFO L280 TraceCheckUtils]: 34: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,587 INFO L280 TraceCheckUtils]: 35: Hoare triple {3713#(<= 2 |fibo1_#in~n|)} assume true; {3713#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,588 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {3713#(<= 2 |fibo1_#in~n|)} {3573#true} #65#return; {3705#(<= 3 fibo2_~n)} is VALID [2020-07-18 04:54:34,588 INFO L280 TraceCheckUtils]: 37: Hoare triple {3705#(<= 3 fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3705#(<= 3 fibo2_~n)} is VALID [2020-07-18 04:54:34,588 INFO L263 TraceCheckUtils]: 38: Hoare triple {3705#(<= 3 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {3573#true} is VALID [2020-07-18 04:54:34,589 INFO L280 TraceCheckUtils]: 39: Hoare triple {3573#true} ~n := #in~n; {3711#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:34,590 INFO L280 TraceCheckUtils]: 40: Hoare triple {3711#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:54:34,590 INFO L280 TraceCheckUtils]: 41: Hoare triple {3725#(<= |fibo1_#in~n| 0)} #res := 0; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:54:34,591 INFO L280 TraceCheckUtils]: 42: Hoare triple {3725#(<= |fibo1_#in~n| 0)} assume true; {3725#(<= |fibo1_#in~n| 0)} is VALID [2020-07-18 04:54:34,592 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {3725#(<= |fibo1_#in~n| 0)} {3705#(<= 3 fibo2_~n)} #67#return; {3574#false} is VALID [2020-07-18 04:54:34,592 INFO L280 TraceCheckUtils]: 44: Hoare triple {3574#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {3574#false} is VALID [2020-07-18 04:54:34,592 INFO L280 TraceCheckUtils]: 45: Hoare triple {3574#false} #res := #t~ret2 + #t~ret3; {3574#false} is VALID [2020-07-18 04:54:34,592 INFO L280 TraceCheckUtils]: 46: Hoare triple {3574#false} havoc #t~ret3; {3574#false} is VALID [2020-07-18 04:54:34,593 INFO L280 TraceCheckUtils]: 47: Hoare triple {3574#false} havoc #t~ret2; {3574#false} is VALID [2020-07-18 04:54:34,593 INFO L280 TraceCheckUtils]: 48: Hoare triple {3574#false} assume true; {3574#false} is VALID [2020-07-18 04:54:34,593 INFO L275 TraceCheckUtils]: 49: Hoare quadruple {3574#false} {3573#true} #69#return; {3574#false} is VALID [2020-07-18 04:54:34,593 INFO L280 TraceCheckUtils]: 50: Hoare triple {3574#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3574#false} is VALID [2020-07-18 04:54:34,593 INFO L263 TraceCheckUtils]: 51: Hoare triple {3574#false} call #t~ret1 := fibo2(~n - 2); {3573#true} is VALID [2020-07-18 04:54:34,594 INFO L280 TraceCheckUtils]: 52: Hoare triple {3573#true} ~n := #in~n; {3573#true} is VALID [2020-07-18 04:54:34,594 INFO L280 TraceCheckUtils]: 53: Hoare triple {3573#true} assume !(~n < 1); {3573#true} is VALID [2020-07-18 04:54:34,594 INFO L280 TraceCheckUtils]: 54: Hoare triple {3573#true} assume 1 == ~n; {3573#true} is VALID [2020-07-18 04:54:34,594 INFO L280 TraceCheckUtils]: 55: Hoare triple {3573#true} #res := 1; {3573#true} is VALID [2020-07-18 04:54:34,594 INFO L280 TraceCheckUtils]: 56: Hoare triple {3573#true} assume true; {3573#true} is VALID [2020-07-18 04:54:34,594 INFO L275 TraceCheckUtils]: 57: Hoare quadruple {3573#true} {3574#false} #71#return; {3574#false} is VALID [2020-07-18 04:54:34,595 INFO L280 TraceCheckUtils]: 58: Hoare triple {3574#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3574#false} is VALID [2020-07-18 04:54:34,595 INFO L280 TraceCheckUtils]: 59: Hoare triple {3574#false} #res := #t~ret0 + #t~ret1; {3574#false} is VALID [2020-07-18 04:54:34,595 INFO L280 TraceCheckUtils]: 60: Hoare triple {3574#false} havoc #t~ret1; {3574#false} is VALID [2020-07-18 04:54:34,595 INFO L280 TraceCheckUtils]: 61: Hoare triple {3574#false} havoc #t~ret0; {3574#false} is VALID [2020-07-18 04:54:34,595 INFO L280 TraceCheckUtils]: 62: Hoare triple {3574#false} assume true; {3574#false} is VALID [2020-07-18 04:54:34,596 INFO L275 TraceCheckUtils]: 63: Hoare quadruple {3574#false} {3577#(<= 4 main_~x~0)} #63#return; {3574#false} is VALID [2020-07-18 04:54:34,596 INFO L280 TraceCheckUtils]: 64: Hoare triple {3574#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {3574#false} is VALID [2020-07-18 04:54:34,596 INFO L280 TraceCheckUtils]: 65: Hoare triple {3574#false} ~result~0 := #t~ret4; {3574#false} is VALID [2020-07-18 04:54:34,596 INFO L280 TraceCheckUtils]: 66: Hoare triple {3574#false} havoc #t~ret4; {3574#false} is VALID [2020-07-18 04:54:34,596 INFO L280 TraceCheckUtils]: 67: Hoare triple {3574#false} assume 3 != ~result~0; {3574#false} is VALID [2020-07-18 04:54:34,596 INFO L280 TraceCheckUtils]: 68: Hoare triple {3574#false} assume !false; {3574#false} is VALID [2020-07-18 04:54:34,601 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-07-18 04:54:34,601 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1449806910] [2020-07-18 04:54:34,601 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-18 04:54:34,601 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-07-18 04:54:34,602 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128323960] [2020-07-18 04:54:34,602 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 69 [2020-07-18 04:54:34,603 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 04:54:34,603 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-18 04:54:34,662 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 59 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:54:34,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-18 04:54:34,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 04:54:34,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-18 04:54:34,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-18 04:54:34,663 INFO L87 Difference]: Start difference. First operand 106 states and 145 transitions. Second operand 8 states. [2020-07-18 04:54:35,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:54:35,422 INFO L93 Difference]: Finished difference Result 227 states and 348 transitions. [2020-07-18 04:54:35,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-18 04:54:35,422 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 69 [2020-07-18 04:54:35,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 04:54:35,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-18 04:54:35,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 113 transitions. [2020-07-18 04:54:35,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-18 04:54:35,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 113 transitions. [2020-07-18 04:54:35,429 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 113 transitions. [2020-07-18 04:54:35,549 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 113 edges. 113 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:54:35,555 INFO L225 Difference]: With dead ends: 227 [2020-07-18 04:54:35,555 INFO L226 Difference]: Without dead ends: 127 [2020-07-18 04:54:35,556 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-07-18 04:54:35,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-07-18 04:54:35,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 115. [2020-07-18 04:54:35,792 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 04:54:35,792 INFO L82 GeneralOperation]: Start isEquivalent. First operand 127 states. Second operand 115 states. [2020-07-18 04:54:35,792 INFO L74 IsIncluded]: Start isIncluded. First operand 127 states. Second operand 115 states. [2020-07-18 04:54:35,792 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 115 states. [2020-07-18 04:54:35,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:54:35,801 INFO L93 Difference]: Finished difference Result 127 states and 180 transitions. [2020-07-18 04:54:35,801 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 180 transitions. [2020-07-18 04:54:35,803 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:54:35,803 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:54:35,803 INFO L74 IsIncluded]: Start isIncluded. First operand 115 states. Second operand 127 states. [2020-07-18 04:54:35,803 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 127 states. [2020-07-18 04:54:35,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:54:35,811 INFO L93 Difference]: Finished difference Result 127 states and 180 transitions. [2020-07-18 04:54:35,811 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 180 transitions. [2020-07-18 04:54:35,812 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:54:35,812 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:54:35,812 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 04:54:35,813 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 04:54:35,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-07-18 04:54:35,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 161 transitions. [2020-07-18 04:54:35,819 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 161 transitions. Word has length 69 [2020-07-18 04:54:35,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 04:54:35,819 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 161 transitions. [2020-07-18 04:54:35,819 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-18 04:54:35,820 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 115 states and 161 transitions. [2020-07-18 04:54:36,029 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 161 edges. 161 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:54:36,029 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 161 transitions. [2020-07-18 04:54:36,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-18 04:54:36,032 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:54:36,032 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 04:54:36,032 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-18 04:54:36,032 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:54:36,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:54:36,033 INFO L82 PathProgramCache]: Analyzing trace with hash -439633211, now seen corresponding path program 1 times [2020-07-18 04:54:36,033 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:54:36,033 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1031709877] [2020-07-18 04:54:36,033 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:54:36,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:36,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:36,070 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-18 04:54:36,071 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {4671#true} {4671#true} #59#return; {4671#true} is VALID [2020-07-18 04:54:36,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:36,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:36,189 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-18 04:54:36,189 INFO L280 TraceCheckUtils]: 1: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-18 04:54:36,189 INFO L280 TraceCheckUtils]: 2: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-18 04:54:36,190 INFO L280 TraceCheckUtils]: 3: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-18 04:54:36,190 INFO L280 TraceCheckUtils]: 4: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-18 04:54:36,191 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #69#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:36,195 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-18 04:54:36,195 INFO L280 TraceCheckUtils]: 1: Hoare triple {4671#true} assume ~n < 1; {4671#true} is VALID [2020-07-18 04:54:36,195 INFO L280 TraceCheckUtils]: 2: Hoare triple {4671#true} #res := 0; {4671#true} is VALID [2020-07-18 04:54:36,196 INFO L280 TraceCheckUtils]: 3: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-18 04:54:36,196 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #71#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,197 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} ~n := #in~n; {4814#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,198 INFO L280 TraceCheckUtils]: 1: Hoare triple {4814#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {4815#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-18 04:54:36,198 INFO L280 TraceCheckUtils]: 2: Hoare triple {4815#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,199 INFO L263 TraceCheckUtils]: 3: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4671#true} is VALID [2020-07-18 04:54:36,199 INFO L280 TraceCheckUtils]: 4: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-18 04:54:36,199 INFO L280 TraceCheckUtils]: 5: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-18 04:54:36,199 INFO L280 TraceCheckUtils]: 6: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-18 04:54:36,200 INFO L280 TraceCheckUtils]: 7: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-18 04:54:36,200 INFO L280 TraceCheckUtils]: 8: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-18 04:54:36,201 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #69#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,201 INFO L280 TraceCheckUtils]: 10: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,201 INFO L263 TraceCheckUtils]: 11: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4671#true} is VALID [2020-07-18 04:54:36,201 INFO L280 TraceCheckUtils]: 12: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-18 04:54:36,202 INFO L280 TraceCheckUtils]: 13: Hoare triple {4671#true} assume ~n < 1; {4671#true} is VALID [2020-07-18 04:54:36,202 INFO L280 TraceCheckUtils]: 14: Hoare triple {4671#true} #res := 0; {4671#true} is VALID [2020-07-18 04:54:36,202 INFO L280 TraceCheckUtils]: 15: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-18 04:54:36,203 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #71#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,203 INFO L280 TraceCheckUtils]: 17: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,204 INFO L280 TraceCheckUtils]: 18: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,204 INFO L280 TraceCheckUtils]: 19: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,205 INFO L280 TraceCheckUtils]: 20: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,206 INFO L280 TraceCheckUtils]: 21: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume true; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,207 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {4816#(<= 2 |fibo1_#in~n|)} {4783#(= fibo2_~n |fibo2_#in~n|)} #65#return; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:36,213 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-18 04:54:36,213 INFO L280 TraceCheckUtils]: 1: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-18 04:54:36,213 INFO L280 TraceCheckUtils]: 2: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-18 04:54:36,214 INFO L280 TraceCheckUtils]: 3: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-18 04:54:36,214 INFO L280 TraceCheckUtils]: 4: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-18 04:54:36,215 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {4671#true} {4807#(<= 3 |fibo2_#in~n|)} #67#return; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,216 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} ~n := #in~n; {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,216 INFO L280 TraceCheckUtils]: 1: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,217 INFO L280 TraceCheckUtils]: 2: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,217 INFO L263 TraceCheckUtils]: 3: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4671#true} is VALID [2020-07-18 04:54:36,218 INFO L280 TraceCheckUtils]: 4: Hoare triple {4671#true} ~n := #in~n; {4814#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,219 INFO L280 TraceCheckUtils]: 5: Hoare triple {4814#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {4815#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-18 04:54:36,220 INFO L280 TraceCheckUtils]: 6: Hoare triple {4815#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,220 INFO L263 TraceCheckUtils]: 7: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4671#true} is VALID [2020-07-18 04:54:36,220 INFO L280 TraceCheckUtils]: 8: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-18 04:54:36,221 INFO L280 TraceCheckUtils]: 9: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-18 04:54:36,221 INFO L280 TraceCheckUtils]: 10: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-18 04:54:36,221 INFO L280 TraceCheckUtils]: 11: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-18 04:54:36,221 INFO L280 TraceCheckUtils]: 12: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-18 04:54:36,222 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #69#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,222 INFO L280 TraceCheckUtils]: 14: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,223 INFO L263 TraceCheckUtils]: 15: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4671#true} is VALID [2020-07-18 04:54:36,223 INFO L280 TraceCheckUtils]: 16: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-18 04:54:36,223 INFO L280 TraceCheckUtils]: 17: Hoare triple {4671#true} assume ~n < 1; {4671#true} is VALID [2020-07-18 04:54:36,223 INFO L280 TraceCheckUtils]: 18: Hoare triple {4671#true} #res := 0; {4671#true} is VALID [2020-07-18 04:54:36,223 INFO L280 TraceCheckUtils]: 19: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-18 04:54:36,224 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #71#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,225 INFO L280 TraceCheckUtils]: 21: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,226 INFO L280 TraceCheckUtils]: 22: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,226 INFO L280 TraceCheckUtils]: 23: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,227 INFO L280 TraceCheckUtils]: 24: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,228 INFO L280 TraceCheckUtils]: 25: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume true; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,229 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {4816#(<= 2 |fibo1_#in~n|)} {4783#(= fibo2_~n |fibo2_#in~n|)} #65#return; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,230 INFO L280 TraceCheckUtils]: 27: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,230 INFO L263 TraceCheckUtils]: 28: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4671#true} is VALID [2020-07-18 04:54:36,230 INFO L280 TraceCheckUtils]: 29: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-18 04:54:36,231 INFO L280 TraceCheckUtils]: 30: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-18 04:54:36,231 INFO L280 TraceCheckUtils]: 31: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-18 04:54:36,231 INFO L280 TraceCheckUtils]: 32: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-18 04:54:36,231 INFO L280 TraceCheckUtils]: 33: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-18 04:54:36,232 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {4671#true} {4807#(<= 3 |fibo2_#in~n|)} #67#return; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,233 INFO L280 TraceCheckUtils]: 35: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,234 INFO L280 TraceCheckUtils]: 36: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,234 INFO L280 TraceCheckUtils]: 37: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} havoc #t~ret3; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,235 INFO L280 TraceCheckUtils]: 38: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} havoc #t~ret2; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,236 INFO L280 TraceCheckUtils]: 39: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} assume true; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,237 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {4807#(<= 3 |fibo2_#in~n|)} {4671#true} #69#return; {4776#(<= 4 fibo1_~n)} is VALID [2020-07-18 04:54:36,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:36,260 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} ~n := #in~n; {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,261 INFO L280 TraceCheckUtils]: 1: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,261 INFO L280 TraceCheckUtils]: 2: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:36,262 INFO L280 TraceCheckUtils]: 3: Hoare triple {4828#(<= |fibo2_#in~n| 1)} #res := 1; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:36,263 INFO L280 TraceCheckUtils]: 4: Hoare triple {4828#(<= |fibo2_#in~n| 1)} assume true; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:36,264 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {4828#(<= |fibo2_#in~n| 1)} {4776#(<= 4 fibo1_~n)} #71#return; {4672#false} is VALID [2020-07-18 04:54:36,264 INFO L280 TraceCheckUtils]: 0: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-18 04:54:36,265 INFO L280 TraceCheckUtils]: 1: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-18 04:54:36,265 INFO L280 TraceCheckUtils]: 2: Hoare triple {4671#true} assume !(1 == ~n); {4671#true} is VALID [2020-07-18 04:54:36,265 INFO L263 TraceCheckUtils]: 3: Hoare triple {4671#true} call #t~ret0 := fibo2(~n - 1); {4671#true} is VALID [2020-07-18 04:54:36,266 INFO L280 TraceCheckUtils]: 4: Hoare triple {4671#true} ~n := #in~n; {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,266 INFO L280 TraceCheckUtils]: 5: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,267 INFO L280 TraceCheckUtils]: 6: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,267 INFO L263 TraceCheckUtils]: 7: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4671#true} is VALID [2020-07-18 04:54:36,268 INFO L280 TraceCheckUtils]: 8: Hoare triple {4671#true} ~n := #in~n; {4814#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,269 INFO L280 TraceCheckUtils]: 9: Hoare triple {4814#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {4815#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-18 04:54:36,270 INFO L280 TraceCheckUtils]: 10: Hoare triple {4815#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,270 INFO L263 TraceCheckUtils]: 11: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4671#true} is VALID [2020-07-18 04:54:36,270 INFO L280 TraceCheckUtils]: 12: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-18 04:54:36,270 INFO L280 TraceCheckUtils]: 13: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-18 04:54:36,271 INFO L280 TraceCheckUtils]: 14: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-18 04:54:36,271 INFO L280 TraceCheckUtils]: 15: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-18 04:54:36,271 INFO L280 TraceCheckUtils]: 16: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-18 04:54:36,272 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #69#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,272 INFO L280 TraceCheckUtils]: 18: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,273 INFO L263 TraceCheckUtils]: 19: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4671#true} is VALID [2020-07-18 04:54:36,273 INFO L280 TraceCheckUtils]: 20: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-18 04:54:36,273 INFO L280 TraceCheckUtils]: 21: Hoare triple {4671#true} assume ~n < 1; {4671#true} is VALID [2020-07-18 04:54:36,273 INFO L280 TraceCheckUtils]: 22: Hoare triple {4671#true} #res := 0; {4671#true} is VALID [2020-07-18 04:54:36,273 INFO L280 TraceCheckUtils]: 23: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-18 04:54:36,274 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #71#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,275 INFO L280 TraceCheckUtils]: 25: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,275 INFO L280 TraceCheckUtils]: 26: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,276 INFO L280 TraceCheckUtils]: 27: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,277 INFO L280 TraceCheckUtils]: 28: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,277 INFO L280 TraceCheckUtils]: 29: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume true; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,279 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {4816#(<= 2 |fibo1_#in~n|)} {4783#(= fibo2_~n |fibo2_#in~n|)} #65#return; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,280 INFO L280 TraceCheckUtils]: 31: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,280 INFO L263 TraceCheckUtils]: 32: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4671#true} is VALID [2020-07-18 04:54:36,280 INFO L280 TraceCheckUtils]: 33: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-18 04:54:36,280 INFO L280 TraceCheckUtils]: 34: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-18 04:54:36,281 INFO L280 TraceCheckUtils]: 35: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-18 04:54:36,281 INFO L280 TraceCheckUtils]: 36: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-18 04:54:36,281 INFO L280 TraceCheckUtils]: 37: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-18 04:54:36,282 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {4671#true} {4807#(<= 3 |fibo2_#in~n|)} #67#return; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,283 INFO L280 TraceCheckUtils]: 39: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,283 INFO L280 TraceCheckUtils]: 40: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,284 INFO L280 TraceCheckUtils]: 41: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} havoc #t~ret3; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,284 INFO L280 TraceCheckUtils]: 42: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} havoc #t~ret2; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,285 INFO L280 TraceCheckUtils]: 43: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} assume true; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,286 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {4807#(<= 3 |fibo2_#in~n|)} {4671#true} #69#return; {4776#(<= 4 fibo1_~n)} is VALID [2020-07-18 04:54:36,287 INFO L280 TraceCheckUtils]: 45: Hoare triple {4776#(<= 4 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4776#(<= 4 fibo1_~n)} is VALID [2020-07-18 04:54:36,287 INFO L263 TraceCheckUtils]: 46: Hoare triple {4776#(<= 4 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {4671#true} is VALID [2020-07-18 04:54:36,288 INFO L280 TraceCheckUtils]: 47: Hoare triple {4671#true} ~n := #in~n; {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,288 INFO L280 TraceCheckUtils]: 48: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,289 INFO L280 TraceCheckUtils]: 49: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:36,290 INFO L280 TraceCheckUtils]: 50: Hoare triple {4828#(<= |fibo2_#in~n| 1)} #res := 1; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:36,290 INFO L280 TraceCheckUtils]: 51: Hoare triple {4828#(<= |fibo2_#in~n| 1)} assume true; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:36,292 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {4828#(<= |fibo2_#in~n| 1)} {4776#(<= 4 fibo1_~n)} #71#return; {4672#false} is VALID [2020-07-18 04:54:36,292 INFO L280 TraceCheckUtils]: 53: Hoare triple {4672#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {4672#false} is VALID [2020-07-18 04:54:36,292 INFO L280 TraceCheckUtils]: 54: Hoare triple {4672#false} #res := #t~ret0 + #t~ret1; {4672#false} is VALID [2020-07-18 04:54:36,292 INFO L280 TraceCheckUtils]: 55: Hoare triple {4672#false} havoc #t~ret1; {4672#false} is VALID [2020-07-18 04:54:36,293 INFO L280 TraceCheckUtils]: 56: Hoare triple {4672#false} havoc #t~ret0; {4672#false} is VALID [2020-07-18 04:54:36,293 INFO L280 TraceCheckUtils]: 57: Hoare triple {4672#false} assume true; {4672#false} is VALID [2020-07-18 04:54:36,293 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {4672#false} {4675#(<= 4 main_~x~0)} #63#return; {4672#false} is VALID [2020-07-18 04:54:36,297 INFO L263 TraceCheckUtils]: 0: Hoare triple {4671#true} call ULTIMATE.init(); {4671#true} is VALID [2020-07-18 04:54:36,297 INFO L280 TraceCheckUtils]: 1: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-18 04:54:36,297 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4671#true} {4671#true} #59#return; {4671#true} is VALID [2020-07-18 04:54:36,297 INFO L263 TraceCheckUtils]: 3: Hoare triple {4671#true} call #t~ret5 := main(); {4671#true} is VALID [2020-07-18 04:54:36,298 INFO L280 TraceCheckUtils]: 4: Hoare triple {4671#true} ~x~0 := 4; {4675#(<= 4 main_~x~0)} is VALID [2020-07-18 04:54:36,298 INFO L263 TraceCheckUtils]: 5: Hoare triple {4675#(<= 4 main_~x~0)} call #t~ret4 := fibo1(~x~0); {4671#true} is VALID [2020-07-18 04:54:36,298 INFO L280 TraceCheckUtils]: 6: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-18 04:54:36,299 INFO L280 TraceCheckUtils]: 7: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-18 04:54:36,299 INFO L280 TraceCheckUtils]: 8: Hoare triple {4671#true} assume !(1 == ~n); {4671#true} is VALID [2020-07-18 04:54:36,299 INFO L263 TraceCheckUtils]: 9: Hoare triple {4671#true} call #t~ret0 := fibo2(~n - 1); {4671#true} is VALID [2020-07-18 04:54:36,300 INFO L280 TraceCheckUtils]: 10: Hoare triple {4671#true} ~n := #in~n; {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,300 INFO L280 TraceCheckUtils]: 11: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,301 INFO L280 TraceCheckUtils]: 12: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,301 INFO L263 TraceCheckUtils]: 13: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4671#true} is VALID [2020-07-18 04:54:36,302 INFO L280 TraceCheckUtils]: 14: Hoare triple {4671#true} ~n := #in~n; {4814#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,303 INFO L280 TraceCheckUtils]: 15: Hoare triple {4814#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {4815#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-18 04:54:36,304 INFO L280 TraceCheckUtils]: 16: Hoare triple {4815#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,304 INFO L263 TraceCheckUtils]: 17: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4671#true} is VALID [2020-07-18 04:54:36,304 INFO L280 TraceCheckUtils]: 18: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-18 04:54:36,304 INFO L280 TraceCheckUtils]: 19: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-18 04:54:36,305 INFO L280 TraceCheckUtils]: 20: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-18 04:54:36,305 INFO L280 TraceCheckUtils]: 21: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-18 04:54:36,305 INFO L280 TraceCheckUtils]: 22: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-18 04:54:36,306 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #69#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,307 INFO L280 TraceCheckUtils]: 24: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,307 INFO L263 TraceCheckUtils]: 25: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4671#true} is VALID [2020-07-18 04:54:36,307 INFO L280 TraceCheckUtils]: 26: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-18 04:54:36,307 INFO L280 TraceCheckUtils]: 27: Hoare triple {4671#true} assume ~n < 1; {4671#true} is VALID [2020-07-18 04:54:36,308 INFO L280 TraceCheckUtils]: 28: Hoare triple {4671#true} #res := 0; {4671#true} is VALID [2020-07-18 04:54:36,308 INFO L280 TraceCheckUtils]: 29: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-18 04:54:36,309 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {4671#true} {4816#(<= 2 |fibo1_#in~n|)} #71#return; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,309 INFO L280 TraceCheckUtils]: 31: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,310 INFO L280 TraceCheckUtils]: 32: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,311 INFO L280 TraceCheckUtils]: 33: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,311 INFO L280 TraceCheckUtils]: 34: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,312 INFO L280 TraceCheckUtils]: 35: Hoare triple {4816#(<= 2 |fibo1_#in~n|)} assume true; {4816#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:36,313 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {4816#(<= 2 |fibo1_#in~n|)} {4783#(= fibo2_~n |fibo2_#in~n|)} #65#return; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,314 INFO L280 TraceCheckUtils]: 37: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,314 INFO L263 TraceCheckUtils]: 38: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4671#true} is VALID [2020-07-18 04:54:36,314 INFO L280 TraceCheckUtils]: 39: Hoare triple {4671#true} ~n := #in~n; {4671#true} is VALID [2020-07-18 04:54:36,315 INFO L280 TraceCheckUtils]: 40: Hoare triple {4671#true} assume !(~n < 1); {4671#true} is VALID [2020-07-18 04:54:36,315 INFO L280 TraceCheckUtils]: 41: Hoare triple {4671#true} assume 1 == ~n; {4671#true} is VALID [2020-07-18 04:54:36,315 INFO L280 TraceCheckUtils]: 42: Hoare triple {4671#true} #res := 1; {4671#true} is VALID [2020-07-18 04:54:36,315 INFO L280 TraceCheckUtils]: 43: Hoare triple {4671#true} assume true; {4671#true} is VALID [2020-07-18 04:54:36,316 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {4671#true} {4807#(<= 3 |fibo2_#in~n|)} #67#return; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,317 INFO L280 TraceCheckUtils]: 45: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,317 INFO L280 TraceCheckUtils]: 46: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,318 INFO L280 TraceCheckUtils]: 47: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} havoc #t~ret3; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,318 INFO L280 TraceCheckUtils]: 48: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} havoc #t~ret2; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,319 INFO L280 TraceCheckUtils]: 49: Hoare triple {4807#(<= 3 |fibo2_#in~n|)} assume true; {4807#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,320 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {4807#(<= 3 |fibo2_#in~n|)} {4671#true} #69#return; {4776#(<= 4 fibo1_~n)} is VALID [2020-07-18 04:54:36,320 INFO L280 TraceCheckUtils]: 51: Hoare triple {4776#(<= 4 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4776#(<= 4 fibo1_~n)} is VALID [2020-07-18 04:54:36,320 INFO L263 TraceCheckUtils]: 52: Hoare triple {4776#(<= 4 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {4671#true} is VALID [2020-07-18 04:54:36,321 INFO L280 TraceCheckUtils]: 53: Hoare triple {4671#true} ~n := #in~n; {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,321 INFO L280 TraceCheckUtils]: 54: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {4783#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:36,322 INFO L280 TraceCheckUtils]: 55: Hoare triple {4783#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:36,322 INFO L280 TraceCheckUtils]: 56: Hoare triple {4828#(<= |fibo2_#in~n| 1)} #res := 1; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:36,323 INFO L280 TraceCheckUtils]: 57: Hoare triple {4828#(<= |fibo2_#in~n| 1)} assume true; {4828#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:36,324 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {4828#(<= |fibo2_#in~n| 1)} {4776#(<= 4 fibo1_~n)} #71#return; {4672#false} is VALID [2020-07-18 04:54:36,324 INFO L280 TraceCheckUtils]: 59: Hoare triple {4672#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {4672#false} is VALID [2020-07-18 04:54:36,324 INFO L280 TraceCheckUtils]: 60: Hoare triple {4672#false} #res := #t~ret0 + #t~ret1; {4672#false} is VALID [2020-07-18 04:54:36,324 INFO L280 TraceCheckUtils]: 61: Hoare triple {4672#false} havoc #t~ret1; {4672#false} is VALID [2020-07-18 04:54:36,325 INFO L280 TraceCheckUtils]: 62: Hoare triple {4672#false} havoc #t~ret0; {4672#false} is VALID [2020-07-18 04:54:36,325 INFO L280 TraceCheckUtils]: 63: Hoare triple {4672#false} assume true; {4672#false} is VALID [2020-07-18 04:54:36,325 INFO L275 TraceCheckUtils]: 64: Hoare quadruple {4672#false} {4675#(<= 4 main_~x~0)} #63#return; {4672#false} is VALID [2020-07-18 04:54:36,325 INFO L280 TraceCheckUtils]: 65: Hoare triple {4672#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {4672#false} is VALID [2020-07-18 04:54:36,325 INFO L280 TraceCheckUtils]: 66: Hoare triple {4672#false} ~result~0 := #t~ret4; {4672#false} is VALID [2020-07-18 04:54:36,325 INFO L280 TraceCheckUtils]: 67: Hoare triple {4672#false} havoc #t~ret4; {4672#false} is VALID [2020-07-18 04:54:36,326 INFO L280 TraceCheckUtils]: 68: Hoare triple {4672#false} assume 3 != ~result~0; {4672#false} is VALID [2020-07-18 04:54:36,326 INFO L280 TraceCheckUtils]: 69: Hoare triple {4672#false} assume !false; {4672#false} is VALID [2020-07-18 04:54:36,330 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 23 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-07-18 04:54:36,330 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1031709877] [2020-07-18 04:54:36,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-18 04:54:36,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-07-18 04:54:36,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177779955] [2020-07-18 04:54:36,331 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 70 [2020-07-18 04:54:36,332 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 04:54:36,332 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2020-07-18 04:54:36,394 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:54:36,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-18 04:54:36,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 04:54:36,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-18 04:54:36,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-07-18 04:54:36,395 INFO L87 Difference]: Start difference. First operand 115 states and 161 transitions. Second operand 10 states. [2020-07-18 04:54:37,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:54:37,464 INFO L93 Difference]: Finished difference Result 257 states and 400 transitions. [2020-07-18 04:54:37,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-18 04:54:37,464 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 70 [2020-07-18 04:54:37,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 04:54:37,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-18 04:54:37,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 127 transitions. [2020-07-18 04:54:37,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-18 04:54:37,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 127 transitions. [2020-07-18 04:54:37,471 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 127 transitions. [2020-07-18 04:54:37,613 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 127 edges. 127 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:54:37,620 INFO L225 Difference]: With dead ends: 257 [2020-07-18 04:54:37,620 INFO L226 Difference]: Without dead ends: 151 [2020-07-18 04:54:37,621 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-07-18 04:54:37,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-07-18 04:54:37,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 133. [2020-07-18 04:54:37,912 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 04:54:37,913 INFO L82 GeneralOperation]: Start isEquivalent. First operand 151 states. Second operand 133 states. [2020-07-18 04:54:37,913 INFO L74 IsIncluded]: Start isIncluded. First operand 151 states. Second operand 133 states. [2020-07-18 04:54:37,913 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 133 states. [2020-07-18 04:54:37,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:54:37,921 INFO L93 Difference]: Finished difference Result 151 states and 217 transitions. [2020-07-18 04:54:37,922 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 217 transitions. [2020-07-18 04:54:37,923 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:54:37,923 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:54:37,923 INFO L74 IsIncluded]: Start isIncluded. First operand 133 states. Second operand 151 states. [2020-07-18 04:54:37,924 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 151 states. [2020-07-18 04:54:37,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:54:37,930 INFO L93 Difference]: Finished difference Result 151 states and 217 transitions. [2020-07-18 04:54:37,930 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 217 transitions. [2020-07-18 04:54:37,932 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:54:37,932 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:54:37,932 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 04:54:37,932 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 04:54:37,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-07-18 04:54:37,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 191 transitions. [2020-07-18 04:54:37,937 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 191 transitions. Word has length 70 [2020-07-18 04:54:37,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 04:54:37,938 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 191 transitions. [2020-07-18 04:54:37,938 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-18 04:54:37,938 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 133 states and 191 transitions. [2020-07-18 04:54:38,215 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 191 edges. 191 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:54:38,215 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 191 transitions. [2020-07-18 04:54:38,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-07-18 04:54:38,219 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:54:38,219 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 04:54:38,220 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-18 04:54:38,220 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:54:38,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:54:38,220 INFO L82 PathProgramCache]: Analyzing trace with hash 307755032, now seen corresponding path program 2 times [2020-07-18 04:54:38,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:54:38,220 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [672488873] [2020-07-18 04:54:38,220 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:54:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:38,272 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:54:38,272 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {5924#true} {5924#true} #59#return; {5924#true} is VALID [2020-07-18 04:54:38,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:38,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:38,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:38,388 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,388 INFO L280 TraceCheckUtils]: 1: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,389 INFO L280 TraceCheckUtils]: 2: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:38,389 INFO L280 TraceCheckUtils]: 3: Hoare triple {6150#(<= |fibo2_#in~n| 1)} #res := 1; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:38,390 INFO L280 TraceCheckUtils]: 4: Hoare triple {6150#(<= |fibo2_#in~n| 1)} assume true; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:38,391 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {6150#(<= |fibo2_#in~n| 1)} {6137#(= fibo1_~n |fibo1_#in~n|)} #69#return; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:38,395 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:54:38,396 INFO L280 TraceCheckUtils]: 1: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-18 04:54:38,396 INFO L280 TraceCheckUtils]: 2: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-18 04:54:38,396 INFO L280 TraceCheckUtils]: 3: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:54:38,397 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {5924#true} {6144#(<= |fibo1_#in~n| 2)} #71#return; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:38,398 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,398 INFO L280 TraceCheckUtils]: 1: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,399 INFO L280 TraceCheckUtils]: 2: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,399 INFO L263 TraceCheckUtils]: 3: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-18 04:54:38,400 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,400 INFO L280 TraceCheckUtils]: 5: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,401 INFO L280 TraceCheckUtils]: 6: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:38,401 INFO L280 TraceCheckUtils]: 7: Hoare triple {6150#(<= |fibo2_#in~n| 1)} #res := 1; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:38,402 INFO L280 TraceCheckUtils]: 8: Hoare triple {6150#(<= |fibo2_#in~n| 1)} assume true; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:38,403 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {6150#(<= |fibo2_#in~n| 1)} {6137#(= fibo1_~n |fibo1_#in~n|)} #69#return; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:38,404 INFO L280 TraceCheckUtils]: 10: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:38,404 INFO L263 TraceCheckUtils]: 11: Hoare triple {6144#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-18 04:54:38,404 INFO L280 TraceCheckUtils]: 12: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:54:38,404 INFO L280 TraceCheckUtils]: 13: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-18 04:54:38,405 INFO L280 TraceCheckUtils]: 14: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-18 04:54:38,405 INFO L280 TraceCheckUtils]: 15: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:54:38,406 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {5924#true} {6144#(<= |fibo1_#in~n| 2)} #71#return; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:38,406 INFO L280 TraceCheckUtils]: 17: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:38,407 INFO L280 TraceCheckUtils]: 18: Hoare triple {6144#(<= |fibo1_#in~n| 2)} #res := #t~ret0 + #t~ret1; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:38,408 INFO L280 TraceCheckUtils]: 19: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret1; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:38,408 INFO L280 TraceCheckUtils]: 20: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret0; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:38,409 INFO L280 TraceCheckUtils]: 21: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume true; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:38,410 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {6144#(<= |fibo1_#in~n| 2)} {6106#(= fibo2_~n |fibo2_#in~n|)} #65#return; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:54:38,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:38,415 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:54:38,416 INFO L280 TraceCheckUtils]: 1: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-18 04:54:38,416 INFO L280 TraceCheckUtils]: 2: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-18 04:54:38,416 INFO L280 TraceCheckUtils]: 3: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-18 04:54:38,416 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:54:38,417 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {5924#true} {6130#(<= |fibo2_#in~n| 3)} #67#return; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:54:38,418 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,418 INFO L280 TraceCheckUtils]: 1: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,419 INFO L280 TraceCheckUtils]: 2: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,419 INFO L263 TraceCheckUtils]: 3: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {5924#true} is VALID [2020-07-18 04:54:38,420 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,420 INFO L280 TraceCheckUtils]: 5: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,421 INFO L280 TraceCheckUtils]: 6: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,421 INFO L263 TraceCheckUtils]: 7: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-18 04:54:38,421 INFO L280 TraceCheckUtils]: 8: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,422 INFO L280 TraceCheckUtils]: 9: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,423 INFO L280 TraceCheckUtils]: 10: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:38,423 INFO L280 TraceCheckUtils]: 11: Hoare triple {6150#(<= |fibo2_#in~n| 1)} #res := 1; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:38,424 INFO L280 TraceCheckUtils]: 12: Hoare triple {6150#(<= |fibo2_#in~n| 1)} assume true; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:38,425 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {6150#(<= |fibo2_#in~n| 1)} {6137#(= fibo1_~n |fibo1_#in~n|)} #69#return; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:38,425 INFO L280 TraceCheckUtils]: 14: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:38,426 INFO L263 TraceCheckUtils]: 15: Hoare triple {6144#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-18 04:54:38,426 INFO L280 TraceCheckUtils]: 16: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:54:38,426 INFO L280 TraceCheckUtils]: 17: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-18 04:54:38,426 INFO L280 TraceCheckUtils]: 18: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-18 04:54:38,426 INFO L280 TraceCheckUtils]: 19: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:54:38,427 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {5924#true} {6144#(<= |fibo1_#in~n| 2)} #71#return; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:38,428 INFO L280 TraceCheckUtils]: 21: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:38,428 INFO L280 TraceCheckUtils]: 22: Hoare triple {6144#(<= |fibo1_#in~n| 2)} #res := #t~ret0 + #t~ret1; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:38,429 INFO L280 TraceCheckUtils]: 23: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret1; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:38,429 INFO L280 TraceCheckUtils]: 24: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret0; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:38,430 INFO L280 TraceCheckUtils]: 25: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume true; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:38,431 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {6144#(<= |fibo1_#in~n| 2)} {6106#(= fibo2_~n |fibo2_#in~n|)} #65#return; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:54:38,432 INFO L280 TraceCheckUtils]: 27: Hoare triple {6130#(<= |fibo2_#in~n| 3)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:54:38,432 INFO L263 TraceCheckUtils]: 28: Hoare triple {6130#(<= |fibo2_#in~n| 3)} call #t~ret3 := fibo1(~n - 2); {5924#true} is VALID [2020-07-18 04:54:38,432 INFO L280 TraceCheckUtils]: 29: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:54:38,433 INFO L280 TraceCheckUtils]: 30: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-18 04:54:38,433 INFO L280 TraceCheckUtils]: 31: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-18 04:54:38,433 INFO L280 TraceCheckUtils]: 32: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-18 04:54:38,433 INFO L280 TraceCheckUtils]: 33: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:54:38,434 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {5924#true} {6130#(<= |fibo2_#in~n| 3)} #67#return; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:54:38,435 INFO L280 TraceCheckUtils]: 35: Hoare triple {6130#(<= |fibo2_#in~n| 3)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:54:38,435 INFO L280 TraceCheckUtils]: 36: Hoare triple {6130#(<= |fibo2_#in~n| 3)} #res := #t~ret2 + #t~ret3; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:54:38,436 INFO L280 TraceCheckUtils]: 37: Hoare triple {6130#(<= |fibo2_#in~n| 3)} havoc #t~ret3; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:54:38,437 INFO L280 TraceCheckUtils]: 38: Hoare triple {6130#(<= |fibo2_#in~n| 3)} havoc #t~ret2; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:54:38,437 INFO L280 TraceCheckUtils]: 39: Hoare triple {6130#(<= |fibo2_#in~n| 3)} assume true; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:54:38,438 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {6130#(<= |fibo2_#in~n| 3)} {5924#true} #69#return; {6064#(<= fibo1_~n 4)} is VALID [2020-07-18 04:54:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:38,519 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:54:38,520 INFO L280 TraceCheckUtils]: 1: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-18 04:54:38,520 INFO L280 TraceCheckUtils]: 2: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-18 04:54:38,520 INFO L280 TraceCheckUtils]: 3: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-18 04:54:38,520 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:54:38,521 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #69#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:38,525 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:54:38,526 INFO L280 TraceCheckUtils]: 1: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-18 04:54:38,526 INFO L280 TraceCheckUtils]: 2: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-18 04:54:38,526 INFO L280 TraceCheckUtils]: 3: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:54:38,527 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #71#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,528 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,528 INFO L280 TraceCheckUtils]: 1: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6181#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-18 04:54:38,529 INFO L280 TraceCheckUtils]: 2: Hoare triple {6181#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,530 INFO L263 TraceCheckUtils]: 3: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-18 04:54:38,530 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:54:38,530 INFO L280 TraceCheckUtils]: 5: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-18 04:54:38,530 INFO L280 TraceCheckUtils]: 6: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-18 04:54:38,531 INFO L280 TraceCheckUtils]: 7: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-18 04:54:38,531 INFO L280 TraceCheckUtils]: 8: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:54:38,532 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #69#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,532 INFO L280 TraceCheckUtils]: 10: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,532 INFO L263 TraceCheckUtils]: 11: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-18 04:54:38,533 INFO L280 TraceCheckUtils]: 12: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:54:38,533 INFO L280 TraceCheckUtils]: 13: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-18 04:54:38,533 INFO L280 TraceCheckUtils]: 14: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-18 04:54:38,533 INFO L280 TraceCheckUtils]: 15: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:54:38,534 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #71#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,535 INFO L280 TraceCheckUtils]: 17: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,536 INFO L280 TraceCheckUtils]: 18: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,536 INFO L280 TraceCheckUtils]: 19: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,537 INFO L280 TraceCheckUtils]: 20: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,537 INFO L280 TraceCheckUtils]: 21: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume true; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,538 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {6182#(<= 2 |fibo1_#in~n|)} {6106#(= fibo2_~n |fibo2_#in~n|)} #65#return; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:38,543 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:54:38,543 INFO L280 TraceCheckUtils]: 1: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-18 04:54:38,543 INFO L280 TraceCheckUtils]: 2: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-18 04:54:38,544 INFO L280 TraceCheckUtils]: 3: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-18 04:54:38,544 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:54:38,545 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {5924#true} {6174#(<= 3 |fibo2_#in~n|)} #67#return; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,545 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,546 INFO L280 TraceCheckUtils]: 1: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,546 INFO L280 TraceCheckUtils]: 2: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,547 INFO L263 TraceCheckUtils]: 3: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {5924#true} is VALID [2020-07-18 04:54:38,547 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,548 INFO L280 TraceCheckUtils]: 5: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6181#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-18 04:54:38,549 INFO L280 TraceCheckUtils]: 6: Hoare triple {6181#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,549 INFO L263 TraceCheckUtils]: 7: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-18 04:54:38,549 INFO L280 TraceCheckUtils]: 8: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:54:38,549 INFO L280 TraceCheckUtils]: 9: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-18 04:54:38,549 INFO L280 TraceCheckUtils]: 10: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-18 04:54:38,550 INFO L280 TraceCheckUtils]: 11: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-18 04:54:38,550 INFO L280 TraceCheckUtils]: 12: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:54:38,551 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #69#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,551 INFO L280 TraceCheckUtils]: 14: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,551 INFO L263 TraceCheckUtils]: 15: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-18 04:54:38,551 INFO L280 TraceCheckUtils]: 16: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:54:38,552 INFO L280 TraceCheckUtils]: 17: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-18 04:54:38,552 INFO L280 TraceCheckUtils]: 18: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-18 04:54:38,552 INFO L280 TraceCheckUtils]: 19: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:54:38,553 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #71#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,553 INFO L280 TraceCheckUtils]: 21: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,554 INFO L280 TraceCheckUtils]: 22: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,554 INFO L280 TraceCheckUtils]: 23: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,555 INFO L280 TraceCheckUtils]: 24: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,555 INFO L280 TraceCheckUtils]: 25: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume true; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,557 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {6182#(<= 2 |fibo1_#in~n|)} {6106#(= fibo2_~n |fibo2_#in~n|)} #65#return; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,557 INFO L280 TraceCheckUtils]: 27: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,557 INFO L263 TraceCheckUtils]: 28: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {5924#true} is VALID [2020-07-18 04:54:38,558 INFO L280 TraceCheckUtils]: 29: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:54:38,558 INFO L280 TraceCheckUtils]: 30: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-18 04:54:38,558 INFO L280 TraceCheckUtils]: 31: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-18 04:54:38,558 INFO L280 TraceCheckUtils]: 32: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-18 04:54:38,558 INFO L280 TraceCheckUtils]: 33: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:54:38,559 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {5924#true} {6174#(<= 3 |fibo2_#in~n|)} #67#return; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,560 INFO L280 TraceCheckUtils]: 35: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,560 INFO L280 TraceCheckUtils]: 36: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,561 INFO L280 TraceCheckUtils]: 37: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} havoc #t~ret3; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,561 INFO L280 TraceCheckUtils]: 38: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} havoc #t~ret2; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,562 INFO L280 TraceCheckUtils]: 39: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} assume true; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,563 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {6174#(<= 3 |fibo2_#in~n|)} {6064#(<= fibo1_~n 4)} #71#return; {5925#false} is VALID [2020-07-18 04:54:38,565 INFO L280 TraceCheckUtils]: 0: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:54:38,565 INFO L280 TraceCheckUtils]: 1: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-18 04:54:38,565 INFO L280 TraceCheckUtils]: 2: Hoare triple {5924#true} assume !(1 == ~n); {5924#true} is VALID [2020-07-18 04:54:38,565 INFO L263 TraceCheckUtils]: 3: Hoare triple {5924#true} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-18 04:54:38,566 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,566 INFO L280 TraceCheckUtils]: 5: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,567 INFO L280 TraceCheckUtils]: 6: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,567 INFO L263 TraceCheckUtils]: 7: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {5924#true} is VALID [2020-07-18 04:54:38,568 INFO L280 TraceCheckUtils]: 8: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,568 INFO L280 TraceCheckUtils]: 9: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,569 INFO L280 TraceCheckUtils]: 10: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,569 INFO L263 TraceCheckUtils]: 11: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-18 04:54:38,570 INFO L280 TraceCheckUtils]: 12: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,570 INFO L280 TraceCheckUtils]: 13: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,571 INFO L280 TraceCheckUtils]: 14: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:38,571 INFO L280 TraceCheckUtils]: 15: Hoare triple {6150#(<= |fibo2_#in~n| 1)} #res := 1; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:38,572 INFO L280 TraceCheckUtils]: 16: Hoare triple {6150#(<= |fibo2_#in~n| 1)} assume true; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:38,573 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {6150#(<= |fibo2_#in~n| 1)} {6137#(= fibo1_~n |fibo1_#in~n|)} #69#return; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:38,574 INFO L280 TraceCheckUtils]: 18: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:38,574 INFO L263 TraceCheckUtils]: 19: Hoare triple {6144#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-18 04:54:38,574 INFO L280 TraceCheckUtils]: 20: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:54:38,574 INFO L280 TraceCheckUtils]: 21: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-18 04:54:38,574 INFO L280 TraceCheckUtils]: 22: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-18 04:54:38,575 INFO L280 TraceCheckUtils]: 23: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:54:38,575 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {5924#true} {6144#(<= |fibo1_#in~n| 2)} #71#return; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:38,576 INFO L280 TraceCheckUtils]: 25: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:38,576 INFO L280 TraceCheckUtils]: 26: Hoare triple {6144#(<= |fibo1_#in~n| 2)} #res := #t~ret0 + #t~ret1; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:38,577 INFO L280 TraceCheckUtils]: 27: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret1; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:38,577 INFO L280 TraceCheckUtils]: 28: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret0; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:38,578 INFO L280 TraceCheckUtils]: 29: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume true; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:38,579 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {6144#(<= |fibo1_#in~n| 2)} {6106#(= fibo2_~n |fibo2_#in~n|)} #65#return; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:54:38,580 INFO L280 TraceCheckUtils]: 31: Hoare triple {6130#(<= |fibo2_#in~n| 3)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:54:38,580 INFO L263 TraceCheckUtils]: 32: Hoare triple {6130#(<= |fibo2_#in~n| 3)} call #t~ret3 := fibo1(~n - 2); {5924#true} is VALID [2020-07-18 04:54:38,581 INFO L280 TraceCheckUtils]: 33: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:54:38,581 INFO L280 TraceCheckUtils]: 34: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-18 04:54:38,581 INFO L280 TraceCheckUtils]: 35: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-18 04:54:38,581 INFO L280 TraceCheckUtils]: 36: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-18 04:54:38,581 INFO L280 TraceCheckUtils]: 37: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:54:38,582 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {5924#true} {6130#(<= |fibo2_#in~n| 3)} #67#return; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:54:38,583 INFO L280 TraceCheckUtils]: 39: Hoare triple {6130#(<= |fibo2_#in~n| 3)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:54:38,583 INFO L280 TraceCheckUtils]: 40: Hoare triple {6130#(<= |fibo2_#in~n| 3)} #res := #t~ret2 + #t~ret3; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:54:38,584 INFO L280 TraceCheckUtils]: 41: Hoare triple {6130#(<= |fibo2_#in~n| 3)} havoc #t~ret3; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:54:38,584 INFO L280 TraceCheckUtils]: 42: Hoare triple {6130#(<= |fibo2_#in~n| 3)} havoc #t~ret2; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:54:38,585 INFO L280 TraceCheckUtils]: 43: Hoare triple {6130#(<= |fibo2_#in~n| 3)} assume true; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:54:38,586 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {6130#(<= |fibo2_#in~n| 3)} {5924#true} #69#return; {6064#(<= fibo1_~n 4)} is VALID [2020-07-18 04:54:38,586 INFO L280 TraceCheckUtils]: 45: Hoare triple {6064#(<= fibo1_~n 4)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6064#(<= fibo1_~n 4)} is VALID [2020-07-18 04:54:38,587 INFO L263 TraceCheckUtils]: 46: Hoare triple {6064#(<= fibo1_~n 4)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-18 04:54:38,587 INFO L280 TraceCheckUtils]: 47: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,588 INFO L280 TraceCheckUtils]: 48: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,588 INFO L280 TraceCheckUtils]: 49: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,588 INFO L263 TraceCheckUtils]: 50: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {5924#true} is VALID [2020-07-18 04:54:38,589 INFO L280 TraceCheckUtils]: 51: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,590 INFO L280 TraceCheckUtils]: 52: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6181#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-18 04:54:38,590 INFO L280 TraceCheckUtils]: 53: Hoare triple {6181#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,591 INFO L263 TraceCheckUtils]: 54: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-18 04:54:38,591 INFO L280 TraceCheckUtils]: 55: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:54:38,591 INFO L280 TraceCheckUtils]: 56: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-18 04:54:38,591 INFO L280 TraceCheckUtils]: 57: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-18 04:54:38,591 INFO L280 TraceCheckUtils]: 58: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-18 04:54:38,591 INFO L280 TraceCheckUtils]: 59: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:54:38,592 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #69#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,593 INFO L280 TraceCheckUtils]: 61: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,593 INFO L263 TraceCheckUtils]: 62: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-18 04:54:38,593 INFO L280 TraceCheckUtils]: 63: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:54:38,593 INFO L280 TraceCheckUtils]: 64: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-18 04:54:38,593 INFO L280 TraceCheckUtils]: 65: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-18 04:54:38,594 INFO L280 TraceCheckUtils]: 66: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:54:38,594 INFO L275 TraceCheckUtils]: 67: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #71#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,595 INFO L280 TraceCheckUtils]: 68: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,595 INFO L280 TraceCheckUtils]: 69: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,596 INFO L280 TraceCheckUtils]: 70: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,596 INFO L280 TraceCheckUtils]: 71: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,597 INFO L280 TraceCheckUtils]: 72: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume true; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,598 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {6182#(<= 2 |fibo1_#in~n|)} {6106#(= fibo2_~n |fibo2_#in~n|)} #65#return; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,599 INFO L280 TraceCheckUtils]: 74: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,599 INFO L263 TraceCheckUtils]: 75: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {5924#true} is VALID [2020-07-18 04:54:38,599 INFO L280 TraceCheckUtils]: 76: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:54:38,599 INFO L280 TraceCheckUtils]: 77: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-18 04:54:38,599 INFO L280 TraceCheckUtils]: 78: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-18 04:54:38,600 INFO L280 TraceCheckUtils]: 79: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-18 04:54:38,600 INFO L280 TraceCheckUtils]: 80: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:54:38,601 INFO L275 TraceCheckUtils]: 81: Hoare quadruple {5924#true} {6174#(<= 3 |fibo2_#in~n|)} #67#return; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,601 INFO L280 TraceCheckUtils]: 82: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,602 INFO L280 TraceCheckUtils]: 83: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,602 INFO L280 TraceCheckUtils]: 84: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} havoc #t~ret3; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,603 INFO L280 TraceCheckUtils]: 85: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} havoc #t~ret2; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,603 INFO L280 TraceCheckUtils]: 86: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} assume true; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,604 INFO L275 TraceCheckUtils]: 87: Hoare quadruple {6174#(<= 3 |fibo2_#in~n|)} {6064#(<= fibo1_~n 4)} #71#return; {5925#false} is VALID [2020-07-18 04:54:38,604 INFO L280 TraceCheckUtils]: 88: Hoare triple {5925#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {5925#false} is VALID [2020-07-18 04:54:38,605 INFO L280 TraceCheckUtils]: 89: Hoare triple {5925#false} #res := #t~ret0 + #t~ret1; {5925#false} is VALID [2020-07-18 04:54:38,605 INFO L280 TraceCheckUtils]: 90: Hoare triple {5925#false} havoc #t~ret1; {5925#false} is VALID [2020-07-18 04:54:38,605 INFO L280 TraceCheckUtils]: 91: Hoare triple {5925#false} havoc #t~ret0; {5925#false} is VALID [2020-07-18 04:54:38,605 INFO L280 TraceCheckUtils]: 92: Hoare triple {5925#false} assume true; {5925#false} is VALID [2020-07-18 04:54:38,605 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {5925#false} {5928#(<= main_~x~0 4)} #63#return; {5925#false} is VALID [2020-07-18 04:54:38,613 INFO L263 TraceCheckUtils]: 0: Hoare triple {5924#true} call ULTIMATE.init(); {5924#true} is VALID [2020-07-18 04:54:38,613 INFO L280 TraceCheckUtils]: 1: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:54:38,613 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {5924#true} {5924#true} #59#return; {5924#true} is VALID [2020-07-18 04:54:38,613 INFO L263 TraceCheckUtils]: 3: Hoare triple {5924#true} call #t~ret5 := main(); {5924#true} is VALID [2020-07-18 04:54:38,614 INFO L280 TraceCheckUtils]: 4: Hoare triple {5924#true} ~x~0 := 4; {5928#(<= main_~x~0 4)} is VALID [2020-07-18 04:54:38,614 INFO L263 TraceCheckUtils]: 5: Hoare triple {5928#(<= main_~x~0 4)} call #t~ret4 := fibo1(~x~0); {5924#true} is VALID [2020-07-18 04:54:38,614 INFO L280 TraceCheckUtils]: 6: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:54:38,614 INFO L280 TraceCheckUtils]: 7: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-18 04:54:38,614 INFO L280 TraceCheckUtils]: 8: Hoare triple {5924#true} assume !(1 == ~n); {5924#true} is VALID [2020-07-18 04:54:38,615 INFO L263 TraceCheckUtils]: 9: Hoare triple {5924#true} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-18 04:54:38,615 INFO L280 TraceCheckUtils]: 10: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,616 INFO L280 TraceCheckUtils]: 11: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,616 INFO L280 TraceCheckUtils]: 12: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,616 INFO L263 TraceCheckUtils]: 13: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {5924#true} is VALID [2020-07-18 04:54:38,617 INFO L280 TraceCheckUtils]: 14: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,617 INFO L280 TraceCheckUtils]: 15: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,618 INFO L280 TraceCheckUtils]: 16: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,618 INFO L263 TraceCheckUtils]: 17: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-18 04:54:38,618 INFO L280 TraceCheckUtils]: 18: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,619 INFO L280 TraceCheckUtils]: 19: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,619 INFO L280 TraceCheckUtils]: 20: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:38,620 INFO L280 TraceCheckUtils]: 21: Hoare triple {6150#(<= |fibo2_#in~n| 1)} #res := 1; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:38,620 INFO L280 TraceCheckUtils]: 22: Hoare triple {6150#(<= |fibo2_#in~n| 1)} assume true; {6150#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:38,622 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {6150#(<= |fibo2_#in~n| 1)} {6137#(= fibo1_~n |fibo1_#in~n|)} #69#return; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:38,622 INFO L280 TraceCheckUtils]: 24: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:38,622 INFO L263 TraceCheckUtils]: 25: Hoare triple {6144#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-18 04:54:38,622 INFO L280 TraceCheckUtils]: 26: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:54:38,623 INFO L280 TraceCheckUtils]: 27: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-18 04:54:38,623 INFO L280 TraceCheckUtils]: 28: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-18 04:54:38,623 INFO L280 TraceCheckUtils]: 29: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:54:38,624 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {5924#true} {6144#(<= |fibo1_#in~n| 2)} #71#return; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:38,624 INFO L280 TraceCheckUtils]: 31: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:38,625 INFO L280 TraceCheckUtils]: 32: Hoare triple {6144#(<= |fibo1_#in~n| 2)} #res := #t~ret0 + #t~ret1; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:38,625 INFO L280 TraceCheckUtils]: 33: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret1; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:38,626 INFO L280 TraceCheckUtils]: 34: Hoare triple {6144#(<= |fibo1_#in~n| 2)} havoc #t~ret0; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:38,626 INFO L280 TraceCheckUtils]: 35: Hoare triple {6144#(<= |fibo1_#in~n| 2)} assume true; {6144#(<= |fibo1_#in~n| 2)} is VALID [2020-07-18 04:54:38,627 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {6144#(<= |fibo1_#in~n| 2)} {6106#(= fibo2_~n |fibo2_#in~n|)} #65#return; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:54:38,628 INFO L280 TraceCheckUtils]: 37: Hoare triple {6130#(<= |fibo2_#in~n| 3)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:54:38,628 INFO L263 TraceCheckUtils]: 38: Hoare triple {6130#(<= |fibo2_#in~n| 3)} call #t~ret3 := fibo1(~n - 2); {5924#true} is VALID [2020-07-18 04:54:38,628 INFO L280 TraceCheckUtils]: 39: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:54:38,628 INFO L280 TraceCheckUtils]: 40: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-18 04:54:38,628 INFO L280 TraceCheckUtils]: 41: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-18 04:54:38,629 INFO L280 TraceCheckUtils]: 42: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-18 04:54:38,629 INFO L280 TraceCheckUtils]: 43: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:54:38,630 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {5924#true} {6130#(<= |fibo2_#in~n| 3)} #67#return; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:54:38,630 INFO L280 TraceCheckUtils]: 45: Hoare triple {6130#(<= |fibo2_#in~n| 3)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:54:38,631 INFO L280 TraceCheckUtils]: 46: Hoare triple {6130#(<= |fibo2_#in~n| 3)} #res := #t~ret2 + #t~ret3; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:54:38,631 INFO L280 TraceCheckUtils]: 47: Hoare triple {6130#(<= |fibo2_#in~n| 3)} havoc #t~ret3; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:54:38,632 INFO L280 TraceCheckUtils]: 48: Hoare triple {6130#(<= |fibo2_#in~n| 3)} havoc #t~ret2; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:54:38,632 INFO L280 TraceCheckUtils]: 49: Hoare triple {6130#(<= |fibo2_#in~n| 3)} assume true; {6130#(<= |fibo2_#in~n| 3)} is VALID [2020-07-18 04:54:38,633 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {6130#(<= |fibo2_#in~n| 3)} {5924#true} #69#return; {6064#(<= fibo1_~n 4)} is VALID [2020-07-18 04:54:38,634 INFO L280 TraceCheckUtils]: 51: Hoare triple {6064#(<= fibo1_~n 4)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6064#(<= fibo1_~n 4)} is VALID [2020-07-18 04:54:38,634 INFO L263 TraceCheckUtils]: 52: Hoare triple {6064#(<= fibo1_~n 4)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-18 04:54:38,634 INFO L280 TraceCheckUtils]: 53: Hoare triple {5924#true} ~n := #in~n; {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,635 INFO L280 TraceCheckUtils]: 54: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,635 INFO L280 TraceCheckUtils]: 55: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6106#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,636 INFO L263 TraceCheckUtils]: 56: Hoare triple {6106#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {5924#true} is VALID [2020-07-18 04:54:38,636 INFO L280 TraceCheckUtils]: 57: Hoare triple {5924#true} ~n := #in~n; {6137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,637 INFO L280 TraceCheckUtils]: 58: Hoare triple {6137#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6181#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-18 04:54:38,638 INFO L280 TraceCheckUtils]: 59: Hoare triple {6181#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,638 INFO L263 TraceCheckUtils]: 60: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {5924#true} is VALID [2020-07-18 04:54:38,638 INFO L280 TraceCheckUtils]: 61: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:54:38,638 INFO L280 TraceCheckUtils]: 62: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-18 04:54:38,638 INFO L280 TraceCheckUtils]: 63: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-18 04:54:38,638 INFO L280 TraceCheckUtils]: 64: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-18 04:54:38,639 INFO L280 TraceCheckUtils]: 65: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:54:38,639 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #69#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,640 INFO L280 TraceCheckUtils]: 67: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,640 INFO L263 TraceCheckUtils]: 68: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {5924#true} is VALID [2020-07-18 04:54:38,640 INFO L280 TraceCheckUtils]: 69: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:54:38,640 INFO L280 TraceCheckUtils]: 70: Hoare triple {5924#true} assume ~n < 1; {5924#true} is VALID [2020-07-18 04:54:38,641 INFO L280 TraceCheckUtils]: 71: Hoare triple {5924#true} #res := 0; {5924#true} is VALID [2020-07-18 04:54:38,641 INFO L280 TraceCheckUtils]: 72: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:54:38,641 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {5924#true} {6182#(<= 2 |fibo1_#in~n|)} #71#return; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,642 INFO L280 TraceCheckUtils]: 74: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,642 INFO L280 TraceCheckUtils]: 75: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,643 INFO L280 TraceCheckUtils]: 76: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret1; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,643 INFO L280 TraceCheckUtils]: 77: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} havoc #t~ret0; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,644 INFO L280 TraceCheckUtils]: 78: Hoare triple {6182#(<= 2 |fibo1_#in~n|)} assume true; {6182#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:38,645 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {6182#(<= 2 |fibo1_#in~n|)} {6106#(= fibo2_~n |fibo2_#in~n|)} #65#return; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,646 INFO L280 TraceCheckUtils]: 80: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,646 INFO L263 TraceCheckUtils]: 81: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {5924#true} is VALID [2020-07-18 04:54:38,646 INFO L280 TraceCheckUtils]: 82: Hoare triple {5924#true} ~n := #in~n; {5924#true} is VALID [2020-07-18 04:54:38,646 INFO L280 TraceCheckUtils]: 83: Hoare triple {5924#true} assume !(~n < 1); {5924#true} is VALID [2020-07-18 04:54:38,646 INFO L280 TraceCheckUtils]: 84: Hoare triple {5924#true} assume 1 == ~n; {5924#true} is VALID [2020-07-18 04:54:38,646 INFO L280 TraceCheckUtils]: 85: Hoare triple {5924#true} #res := 1; {5924#true} is VALID [2020-07-18 04:54:38,647 INFO L280 TraceCheckUtils]: 86: Hoare triple {5924#true} assume true; {5924#true} is VALID [2020-07-18 04:54:38,647 INFO L275 TraceCheckUtils]: 87: Hoare quadruple {5924#true} {6174#(<= 3 |fibo2_#in~n|)} #67#return; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,648 INFO L280 TraceCheckUtils]: 88: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,648 INFO L280 TraceCheckUtils]: 89: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,649 INFO L280 TraceCheckUtils]: 90: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} havoc #t~ret3; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,649 INFO L280 TraceCheckUtils]: 91: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} havoc #t~ret2; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,650 INFO L280 TraceCheckUtils]: 92: Hoare triple {6174#(<= 3 |fibo2_#in~n|)} assume true; {6174#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:38,651 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {6174#(<= 3 |fibo2_#in~n|)} {6064#(<= fibo1_~n 4)} #71#return; {5925#false} is VALID [2020-07-18 04:54:38,651 INFO L280 TraceCheckUtils]: 94: Hoare triple {5925#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {5925#false} is VALID [2020-07-18 04:54:38,651 INFO L280 TraceCheckUtils]: 95: Hoare triple {5925#false} #res := #t~ret0 + #t~ret1; {5925#false} is VALID [2020-07-18 04:54:38,651 INFO L280 TraceCheckUtils]: 96: Hoare triple {5925#false} havoc #t~ret1; {5925#false} is VALID [2020-07-18 04:54:38,652 INFO L280 TraceCheckUtils]: 97: Hoare triple {5925#false} havoc #t~ret0; {5925#false} is VALID [2020-07-18 04:54:38,652 INFO L280 TraceCheckUtils]: 98: Hoare triple {5925#false} assume true; {5925#false} is VALID [2020-07-18 04:54:38,652 INFO L275 TraceCheckUtils]: 99: Hoare quadruple {5925#false} {5928#(<= main_~x~0 4)} #63#return; {5925#false} is VALID [2020-07-18 04:54:38,652 INFO L280 TraceCheckUtils]: 100: Hoare triple {5925#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {5925#false} is VALID [2020-07-18 04:54:38,652 INFO L280 TraceCheckUtils]: 101: Hoare triple {5925#false} ~result~0 := #t~ret4; {5925#false} is VALID [2020-07-18 04:54:38,652 INFO L280 TraceCheckUtils]: 102: Hoare triple {5925#false} havoc #t~ret4; {5925#false} is VALID [2020-07-18 04:54:38,653 INFO L280 TraceCheckUtils]: 103: Hoare triple {5925#false} assume 3 != ~result~0; {5925#false} is VALID [2020-07-18 04:54:38,653 INFO L280 TraceCheckUtils]: 104: Hoare triple {5925#false} assume !false; {5925#false} is VALID [2020-07-18 04:54:38,661 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 36 proven. 59 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-07-18 04:54:38,661 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [672488873] [2020-07-18 04:54:38,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-18 04:54:38,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-07-18 04:54:38,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621154760] [2020-07-18 04:54:38,662 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 105 [2020-07-18 04:54:38,663 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 04:54:38,663 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states. [2020-07-18 04:54:38,749 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 85 edges. 85 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:54:38,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-18 04:54:38,750 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 04:54:38,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-18 04:54:38,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-18 04:54:38,750 INFO L87 Difference]: Start difference. First operand 133 states and 191 transitions. Second operand 12 states. [2020-07-18 04:54:40,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:54:40,279 INFO L93 Difference]: Finished difference Result 265 states and 420 transitions. [2020-07-18 04:54:40,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-18 04:54:40,279 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 105 [2020-07-18 04:54:40,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 04:54:40,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-07-18 04:54:40,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 172 transitions. [2020-07-18 04:54:40,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-07-18 04:54:40,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 172 transitions. [2020-07-18 04:54:40,287 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 18 states and 172 transitions. [2020-07-18 04:54:40,522 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 172 edges. 172 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:54:40,529 INFO L225 Difference]: With dead ends: 265 [2020-07-18 04:54:40,529 INFO L226 Difference]: Without dead ends: 116 [2020-07-18 04:54:40,532 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2020-07-18 04:54:40,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-07-18 04:54:40,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 103. [2020-07-18 04:54:40,741 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 04:54:40,741 INFO L82 GeneralOperation]: Start isEquivalent. First operand 116 states. Second operand 103 states. [2020-07-18 04:54:40,741 INFO L74 IsIncluded]: Start isIncluded. First operand 116 states. Second operand 103 states. [2020-07-18 04:54:40,741 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 103 states. [2020-07-18 04:54:40,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:54:40,746 INFO L93 Difference]: Finished difference Result 116 states and 146 transitions. [2020-07-18 04:54:40,746 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 146 transitions. [2020-07-18 04:54:40,747 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:54:40,747 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:54:40,747 INFO L74 IsIncluded]: Start isIncluded. First operand 103 states. Second operand 116 states. [2020-07-18 04:54:40,747 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 116 states. [2020-07-18 04:54:40,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:54:40,752 INFO L93 Difference]: Finished difference Result 116 states and 146 transitions. [2020-07-18 04:54:40,752 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 146 transitions. [2020-07-18 04:54:40,752 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:54:40,753 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:54:40,753 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 04:54:40,753 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 04:54:40,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-07-18 04:54:40,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 127 transitions. [2020-07-18 04:54:40,756 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 127 transitions. Word has length 105 [2020-07-18 04:54:40,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 04:54:40,757 INFO L479 AbstractCegarLoop]: Abstraction has 103 states and 127 transitions. [2020-07-18 04:54:40,757 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-18 04:54:40,757 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 103 states and 127 transitions. [2020-07-18 04:54:40,954 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 127 edges. 127 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:54:40,954 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 127 transitions. [2020-07-18 04:54:40,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-07-18 04:54:40,957 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:54:40,957 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 04:54:40,957 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-18 04:54:40,958 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:54:40,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:54:40,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1951493560, now seen corresponding path program 1 times [2020-07-18 04:54:40,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:54:40,958 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1167305918] [2020-07-18 04:54:40,959 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:54:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:41,041 INFO L280 TraceCheckUtils]: 0: Hoare triple {7190#true} assume true; {7190#true} is VALID [2020-07-18 04:54:41,041 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {7190#true} {7190#true} #59#return; {7190#true} is VALID [2020-07-18 04:54:41,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:41,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:41,274 INFO L280 TraceCheckUtils]: 0: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-18 04:54:41,274 INFO L280 TraceCheckUtils]: 1: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-18 04:54:41,274 INFO L280 TraceCheckUtils]: 2: Hoare triple {7190#true} assume 1 == ~n; {7190#true} is VALID [2020-07-18 04:54:41,275 INFO L280 TraceCheckUtils]: 3: Hoare triple {7190#true} #res := 1; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-18 04:54:41,276 INFO L280 TraceCheckUtils]: 4: Hoare triple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-18 04:54:41,277 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {7190#true} #69#return; {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-18 04:54:41,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:41,313 INFO L280 TraceCheckUtils]: 0: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-18 04:54:41,314 INFO L280 TraceCheckUtils]: 1: Hoare triple {7190#true} assume ~n < 1; {7190#true} is VALID [2020-07-18 04:54:41,315 INFO L280 TraceCheckUtils]: 2: Hoare triple {7190#true} #res := 0; {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-18 04:54:41,315 INFO L280 TraceCheckUtils]: 3: Hoare triple {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} assume true; {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-18 04:54:41,317 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} #71#return; {7383#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} is VALID [2020-07-18 04:54:41,317 INFO L280 TraceCheckUtils]: 0: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-18 04:54:41,317 INFO L280 TraceCheckUtils]: 1: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-18 04:54:41,317 INFO L280 TraceCheckUtils]: 2: Hoare triple {7190#true} assume !(1 == ~n); {7190#true} is VALID [2020-07-18 04:54:41,318 INFO L263 TraceCheckUtils]: 3: Hoare triple {7190#true} call #t~ret0 := fibo2(~n - 1); {7190#true} is VALID [2020-07-18 04:54:41,318 INFO L280 TraceCheckUtils]: 4: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-18 04:54:41,318 INFO L280 TraceCheckUtils]: 5: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-18 04:54:41,318 INFO L280 TraceCheckUtils]: 6: Hoare triple {7190#true} assume 1 == ~n; {7190#true} is VALID [2020-07-18 04:54:41,319 INFO L280 TraceCheckUtils]: 7: Hoare triple {7190#true} #res := 1; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-18 04:54:41,320 INFO L280 TraceCheckUtils]: 8: Hoare triple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-18 04:54:41,321 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {7190#true} #69#return; {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-18 04:54:41,322 INFO L280 TraceCheckUtils]: 10: Hoare triple {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-18 04:54:41,322 INFO L263 TraceCheckUtils]: 11: Hoare triple {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} call #t~ret1 := fibo2(~n - 2); {7190#true} is VALID [2020-07-18 04:54:41,323 INFO L280 TraceCheckUtils]: 12: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-18 04:54:41,323 INFO L280 TraceCheckUtils]: 13: Hoare triple {7190#true} assume ~n < 1; {7190#true} is VALID [2020-07-18 04:54:41,324 INFO L280 TraceCheckUtils]: 14: Hoare triple {7190#true} #res := 0; {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-18 04:54:41,325 INFO L280 TraceCheckUtils]: 15: Hoare triple {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} assume true; {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-18 04:54:41,326 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} #71#return; {7383#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} is VALID [2020-07-18 04:54:41,327 INFO L280 TraceCheckUtils]: 17: Hoare triple {7383#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {7383#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} is VALID [2020-07-18 04:54:41,328 INFO L280 TraceCheckUtils]: 18: Hoare triple {7383#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} #res := #t~ret0 + #t~ret1; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-18 04:54:41,329 INFO L280 TraceCheckUtils]: 19: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} havoc #t~ret1; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-18 04:54:41,330 INFO L280 TraceCheckUtils]: 20: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} havoc #t~ret0; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-18 04:54:41,331 INFO L280 TraceCheckUtils]: 21: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-18 04:54:41,332 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {7190#true} #65#return; {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-18 04:54:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:41,347 INFO L280 TraceCheckUtils]: 0: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-18 04:54:41,348 INFO L280 TraceCheckUtils]: 1: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-18 04:54:41,348 INFO L280 TraceCheckUtils]: 2: Hoare triple {7190#true} assume 1 == ~n; {7190#true} is VALID [2020-07-18 04:54:41,349 INFO L280 TraceCheckUtils]: 3: Hoare triple {7190#true} #res := 1; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-18 04:54:41,350 INFO L280 TraceCheckUtils]: 4: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-18 04:54:41,352 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} #67#return; {7369#(and (<= 2 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 2))} is VALID [2020-07-18 04:54:41,352 INFO L280 TraceCheckUtils]: 0: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-18 04:54:41,352 INFO L280 TraceCheckUtils]: 1: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-18 04:54:41,352 INFO L280 TraceCheckUtils]: 2: Hoare triple {7190#true} assume !(1 == ~n); {7190#true} is VALID [2020-07-18 04:54:41,353 INFO L263 TraceCheckUtils]: 3: Hoare triple {7190#true} call #t~ret2 := fibo1(~n - 1); {7190#true} is VALID [2020-07-18 04:54:41,353 INFO L280 TraceCheckUtils]: 4: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-18 04:54:41,353 INFO L280 TraceCheckUtils]: 5: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-18 04:54:41,353 INFO L280 TraceCheckUtils]: 6: Hoare triple {7190#true} assume !(1 == ~n); {7190#true} is VALID [2020-07-18 04:54:41,353 INFO L263 TraceCheckUtils]: 7: Hoare triple {7190#true} call #t~ret0 := fibo2(~n - 1); {7190#true} is VALID [2020-07-18 04:54:41,354 INFO L280 TraceCheckUtils]: 8: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-18 04:54:41,354 INFO L280 TraceCheckUtils]: 9: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-18 04:54:41,354 INFO L280 TraceCheckUtils]: 10: Hoare triple {7190#true} assume 1 == ~n; {7190#true} is VALID [2020-07-18 04:54:41,355 INFO L280 TraceCheckUtils]: 11: Hoare triple {7190#true} #res := 1; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-18 04:54:41,355 INFO L280 TraceCheckUtils]: 12: Hoare triple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-18 04:54:41,356 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {7190#true} #69#return; {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-18 04:54:41,357 INFO L280 TraceCheckUtils]: 14: Hoare triple {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-18 04:54:41,357 INFO L263 TraceCheckUtils]: 15: Hoare triple {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} call #t~ret1 := fibo2(~n - 2); {7190#true} is VALID [2020-07-18 04:54:41,357 INFO L280 TraceCheckUtils]: 16: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-18 04:54:41,358 INFO L280 TraceCheckUtils]: 17: Hoare triple {7190#true} assume ~n < 1; {7190#true} is VALID [2020-07-18 04:54:41,358 INFO L280 TraceCheckUtils]: 18: Hoare triple {7190#true} #res := 0; {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-18 04:54:41,359 INFO L280 TraceCheckUtils]: 19: Hoare triple {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} assume true; {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-18 04:54:41,360 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} #71#return; {7383#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} is VALID [2020-07-18 04:54:41,361 INFO L280 TraceCheckUtils]: 21: Hoare triple {7383#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {7383#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} is VALID [2020-07-18 04:54:41,362 INFO L280 TraceCheckUtils]: 22: Hoare triple {7383#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} #res := #t~ret0 + #t~ret1; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-18 04:54:41,363 INFO L280 TraceCheckUtils]: 23: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} havoc #t~ret1; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-18 04:54:41,363 INFO L280 TraceCheckUtils]: 24: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} havoc #t~ret0; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-18 04:54:41,364 INFO L280 TraceCheckUtils]: 25: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-18 04:54:41,366 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {7190#true} #65#return; {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-18 04:54:41,367 INFO L280 TraceCheckUtils]: 27: Hoare triple {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-18 04:54:41,367 INFO L263 TraceCheckUtils]: 28: Hoare triple {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} call #t~ret3 := fibo1(~n - 2); {7190#true} is VALID [2020-07-18 04:54:41,367 INFO L280 TraceCheckUtils]: 29: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-18 04:54:41,367 INFO L280 TraceCheckUtils]: 30: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-18 04:54:41,368 INFO L280 TraceCheckUtils]: 31: Hoare triple {7190#true} assume 1 == ~n; {7190#true} is VALID [2020-07-18 04:54:41,368 INFO L280 TraceCheckUtils]: 32: Hoare triple {7190#true} #res := 1; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-18 04:54:41,369 INFO L280 TraceCheckUtils]: 33: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-18 04:54:41,371 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} #67#return; {7369#(and (<= 2 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 2))} is VALID [2020-07-18 04:54:41,372 INFO L280 TraceCheckUtils]: 35: Hoare triple {7369#(and (<= 2 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 2))} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7369#(and (<= 2 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 2))} is VALID [2020-07-18 04:54:41,373 INFO L280 TraceCheckUtils]: 36: Hoare triple {7369#(and (<= 2 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 2))} #res := #t~ret2 + #t~ret3; {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2020-07-18 04:54:41,374 INFO L280 TraceCheckUtils]: 37: Hoare triple {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} havoc #t~ret3; {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2020-07-18 04:54:41,375 INFO L280 TraceCheckUtils]: 38: Hoare triple {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} havoc #t~ret2; {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2020-07-18 04:54:41,375 INFO L280 TraceCheckUtils]: 39: Hoare triple {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} assume true; {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2020-07-18 04:54:41,376 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} {7190#true} #69#return; {7313#(and (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|))} is VALID [2020-07-18 04:54:41,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:41,434 INFO L280 TraceCheckUtils]: 0: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-18 04:54:41,434 INFO L280 TraceCheckUtils]: 1: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-18 04:54:41,435 INFO L280 TraceCheckUtils]: 2: Hoare triple {7190#true} assume 1 == ~n; {7190#true} is VALID [2020-07-18 04:54:41,435 INFO L280 TraceCheckUtils]: 3: Hoare triple {7190#true} #res := 1; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-18 04:54:41,436 INFO L280 TraceCheckUtils]: 4: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-18 04:54:41,437 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {7190#true} #65#return; {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-18 04:54:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:41,469 INFO L280 TraceCheckUtils]: 0: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-18 04:54:41,469 INFO L280 TraceCheckUtils]: 1: Hoare triple {7190#true} assume ~n < 1; {7190#true} is VALID [2020-07-18 04:54:41,470 INFO L280 TraceCheckUtils]: 2: Hoare triple {7190#true} #res := 0; {7399#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} is VALID [2020-07-18 04:54:41,471 INFO L280 TraceCheckUtils]: 3: Hoare triple {7399#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} assume true; {7399#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} is VALID [2020-07-18 04:54:41,472 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {7399#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} #67#return; {7398#(and (<= 1 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 1))} is VALID [2020-07-18 04:54:41,473 INFO L280 TraceCheckUtils]: 0: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-18 04:54:41,473 INFO L280 TraceCheckUtils]: 1: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-18 04:54:41,473 INFO L280 TraceCheckUtils]: 2: Hoare triple {7190#true} assume !(1 == ~n); {7190#true} is VALID [2020-07-18 04:54:41,473 INFO L263 TraceCheckUtils]: 3: Hoare triple {7190#true} call #t~ret2 := fibo1(~n - 1); {7190#true} is VALID [2020-07-18 04:54:41,473 INFO L280 TraceCheckUtils]: 4: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-18 04:54:41,474 INFO L280 TraceCheckUtils]: 5: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-18 04:54:41,474 INFO L280 TraceCheckUtils]: 6: Hoare triple {7190#true} assume 1 == ~n; {7190#true} is VALID [2020-07-18 04:54:41,474 INFO L280 TraceCheckUtils]: 7: Hoare triple {7190#true} #res := 1; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-18 04:54:41,475 INFO L280 TraceCheckUtils]: 8: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-18 04:54:41,476 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {7190#true} #65#return; {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-18 04:54:41,477 INFO L280 TraceCheckUtils]: 10: Hoare triple {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-18 04:54:41,477 INFO L263 TraceCheckUtils]: 11: Hoare triple {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} call #t~ret3 := fibo1(~n - 2); {7190#true} is VALID [2020-07-18 04:54:41,477 INFO L280 TraceCheckUtils]: 12: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-18 04:54:41,477 INFO L280 TraceCheckUtils]: 13: Hoare triple {7190#true} assume ~n < 1; {7190#true} is VALID [2020-07-18 04:54:41,478 INFO L280 TraceCheckUtils]: 14: Hoare triple {7190#true} #res := 0; {7399#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} is VALID [2020-07-18 04:54:41,478 INFO L280 TraceCheckUtils]: 15: Hoare triple {7399#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} assume true; {7399#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} is VALID [2020-07-18 04:54:41,480 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {7399#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} #67#return; {7398#(and (<= 1 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 1))} is VALID [2020-07-18 04:54:41,480 INFO L280 TraceCheckUtils]: 17: Hoare triple {7398#(and (<= 1 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 1))} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7398#(and (<= 1 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 1))} is VALID [2020-07-18 04:54:41,481 INFO L280 TraceCheckUtils]: 18: Hoare triple {7398#(and (<= 1 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 1))} #res := #t~ret2 + #t~ret3; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-18 04:54:41,482 INFO L280 TraceCheckUtils]: 19: Hoare triple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} havoc #t~ret3; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-18 04:54:41,483 INFO L280 TraceCheckUtils]: 20: Hoare triple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} havoc #t~ret2; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-18 04:54:41,483 INFO L280 TraceCheckUtils]: 21: Hoare triple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-18 04:54:41,484 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {7313#(and (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|))} #71#return; {7337#(and (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 3) (<= 3 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)))} is VALID [2020-07-18 04:54:41,486 INFO L280 TraceCheckUtils]: 0: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-18 04:54:41,486 INFO L280 TraceCheckUtils]: 1: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-18 04:54:41,486 INFO L280 TraceCheckUtils]: 2: Hoare triple {7190#true} assume !(1 == ~n); {7190#true} is VALID [2020-07-18 04:54:41,486 INFO L263 TraceCheckUtils]: 3: Hoare triple {7190#true} call #t~ret0 := fibo2(~n - 1); {7190#true} is VALID [2020-07-18 04:54:41,486 INFO L280 TraceCheckUtils]: 4: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-18 04:54:41,486 INFO L280 TraceCheckUtils]: 5: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-18 04:54:41,487 INFO L280 TraceCheckUtils]: 6: Hoare triple {7190#true} assume !(1 == ~n); {7190#true} is VALID [2020-07-18 04:54:41,487 INFO L263 TraceCheckUtils]: 7: Hoare triple {7190#true} call #t~ret2 := fibo1(~n - 1); {7190#true} is VALID [2020-07-18 04:54:41,487 INFO L280 TraceCheckUtils]: 8: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-18 04:54:41,487 INFO L280 TraceCheckUtils]: 9: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-18 04:54:41,487 INFO L280 TraceCheckUtils]: 10: Hoare triple {7190#true} assume !(1 == ~n); {7190#true} is VALID [2020-07-18 04:54:41,487 INFO L263 TraceCheckUtils]: 11: Hoare triple {7190#true} call #t~ret0 := fibo2(~n - 1); {7190#true} is VALID [2020-07-18 04:54:41,488 INFO L280 TraceCheckUtils]: 12: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-18 04:54:41,488 INFO L280 TraceCheckUtils]: 13: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-18 04:54:41,488 INFO L280 TraceCheckUtils]: 14: Hoare triple {7190#true} assume 1 == ~n; {7190#true} is VALID [2020-07-18 04:54:41,489 INFO L280 TraceCheckUtils]: 15: Hoare triple {7190#true} #res := 1; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-18 04:54:41,489 INFO L280 TraceCheckUtils]: 16: Hoare triple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-18 04:54:41,490 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {7190#true} #69#return; {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-18 04:54:41,491 INFO L280 TraceCheckUtils]: 18: Hoare triple {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-18 04:54:41,491 INFO L263 TraceCheckUtils]: 19: Hoare triple {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} call #t~ret1 := fibo2(~n - 2); {7190#true} is VALID [2020-07-18 04:54:41,491 INFO L280 TraceCheckUtils]: 20: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-18 04:54:41,492 INFO L280 TraceCheckUtils]: 21: Hoare triple {7190#true} assume ~n < 1; {7190#true} is VALID [2020-07-18 04:54:41,492 INFO L280 TraceCheckUtils]: 22: Hoare triple {7190#true} #res := 0; {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-18 04:54:41,493 INFO L280 TraceCheckUtils]: 23: Hoare triple {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} assume true; {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-18 04:54:41,495 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} #71#return; {7383#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} is VALID [2020-07-18 04:54:41,495 INFO L280 TraceCheckUtils]: 25: Hoare triple {7383#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {7383#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} is VALID [2020-07-18 04:54:41,496 INFO L280 TraceCheckUtils]: 26: Hoare triple {7383#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} #res := #t~ret0 + #t~ret1; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-18 04:54:41,497 INFO L280 TraceCheckUtils]: 27: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} havoc #t~ret1; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-18 04:54:41,498 INFO L280 TraceCheckUtils]: 28: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} havoc #t~ret0; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-18 04:54:41,498 INFO L280 TraceCheckUtils]: 29: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-18 04:54:41,499 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {7190#true} #65#return; {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-18 04:54:41,500 INFO L280 TraceCheckUtils]: 31: Hoare triple {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-18 04:54:41,500 INFO L263 TraceCheckUtils]: 32: Hoare triple {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} call #t~ret3 := fibo1(~n - 2); {7190#true} is VALID [2020-07-18 04:54:41,500 INFO L280 TraceCheckUtils]: 33: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-18 04:54:41,500 INFO L280 TraceCheckUtils]: 34: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-18 04:54:41,501 INFO L280 TraceCheckUtils]: 35: Hoare triple {7190#true} assume 1 == ~n; {7190#true} is VALID [2020-07-18 04:54:41,501 INFO L280 TraceCheckUtils]: 36: Hoare triple {7190#true} #res := 1; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-18 04:54:41,502 INFO L280 TraceCheckUtils]: 37: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-18 04:54:41,503 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} #67#return; {7369#(and (<= 2 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 2))} is VALID [2020-07-18 04:54:41,504 INFO L280 TraceCheckUtils]: 39: Hoare triple {7369#(and (<= 2 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 2))} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7369#(and (<= 2 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 2))} is VALID [2020-07-18 04:54:41,505 INFO L280 TraceCheckUtils]: 40: Hoare triple {7369#(and (<= 2 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 2))} #res := #t~ret2 + #t~ret3; {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2020-07-18 04:54:41,505 INFO L280 TraceCheckUtils]: 41: Hoare triple {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} havoc #t~ret3; {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2020-07-18 04:54:41,506 INFO L280 TraceCheckUtils]: 42: Hoare triple {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} havoc #t~ret2; {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2020-07-18 04:54:41,507 INFO L280 TraceCheckUtils]: 43: Hoare triple {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} assume true; {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2020-07-18 04:54:41,508 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} {7190#true} #69#return; {7313#(and (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|))} is VALID [2020-07-18 04:54:41,509 INFO L280 TraceCheckUtils]: 45: Hoare triple {7313#(and (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7313#(and (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|))} is VALID [2020-07-18 04:54:41,509 INFO L263 TraceCheckUtils]: 46: Hoare triple {7313#(and (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|))} call #t~ret1 := fibo2(~n - 2); {7190#true} is VALID [2020-07-18 04:54:41,509 INFO L280 TraceCheckUtils]: 47: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-18 04:54:41,509 INFO L280 TraceCheckUtils]: 48: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-18 04:54:41,510 INFO L280 TraceCheckUtils]: 49: Hoare triple {7190#true} assume !(1 == ~n); {7190#true} is VALID [2020-07-18 04:54:41,510 INFO L263 TraceCheckUtils]: 50: Hoare triple {7190#true} call #t~ret2 := fibo1(~n - 1); {7190#true} is VALID [2020-07-18 04:54:41,510 INFO L280 TraceCheckUtils]: 51: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-18 04:54:41,510 INFO L280 TraceCheckUtils]: 52: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-18 04:54:41,510 INFO L280 TraceCheckUtils]: 53: Hoare triple {7190#true} assume 1 == ~n; {7190#true} is VALID [2020-07-18 04:54:41,511 INFO L280 TraceCheckUtils]: 54: Hoare triple {7190#true} #res := 1; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-18 04:54:41,512 INFO L280 TraceCheckUtils]: 55: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-18 04:54:41,513 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {7190#true} #65#return; {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-18 04:54:41,513 INFO L280 TraceCheckUtils]: 57: Hoare triple {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-18 04:54:41,514 INFO L263 TraceCheckUtils]: 58: Hoare triple {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} call #t~ret3 := fibo1(~n - 2); {7190#true} is VALID [2020-07-18 04:54:41,514 INFO L280 TraceCheckUtils]: 59: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-18 04:54:41,514 INFO L280 TraceCheckUtils]: 60: Hoare triple {7190#true} assume ~n < 1; {7190#true} is VALID [2020-07-18 04:54:41,515 INFO L280 TraceCheckUtils]: 61: Hoare triple {7190#true} #res := 0; {7399#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} is VALID [2020-07-18 04:54:41,515 INFO L280 TraceCheckUtils]: 62: Hoare triple {7399#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} assume true; {7399#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} is VALID [2020-07-18 04:54:41,516 INFO L275 TraceCheckUtils]: 63: Hoare quadruple {7399#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} #67#return; {7398#(and (<= 1 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 1))} is VALID [2020-07-18 04:54:41,517 INFO L280 TraceCheckUtils]: 64: Hoare triple {7398#(and (<= 1 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 1))} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7398#(and (<= 1 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 1))} is VALID [2020-07-18 04:54:41,518 INFO L280 TraceCheckUtils]: 65: Hoare triple {7398#(and (<= 1 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 1))} #res := #t~ret2 + #t~ret3; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-18 04:54:41,519 INFO L280 TraceCheckUtils]: 66: Hoare triple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} havoc #t~ret3; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-18 04:54:41,519 INFO L280 TraceCheckUtils]: 67: Hoare triple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} havoc #t~ret2; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-18 04:54:41,520 INFO L280 TraceCheckUtils]: 68: Hoare triple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-18 04:54:41,521 INFO L275 TraceCheckUtils]: 69: Hoare quadruple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {7313#(and (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|))} #71#return; {7337#(and (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 3) (<= 3 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)))} is VALID [2020-07-18 04:54:41,522 INFO L280 TraceCheckUtils]: 70: Hoare triple {7337#(and (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 3) (<= 3 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {7337#(and (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 3) (<= 3 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)))} is VALID [2020-07-18 04:54:41,523 INFO L280 TraceCheckUtils]: 71: Hoare triple {7337#(and (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 3) (<= 3 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)))} #res := #t~ret0 + #t~ret1; {7338#(and (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3))} is VALID [2020-07-18 04:54:41,524 INFO L280 TraceCheckUtils]: 72: Hoare triple {7338#(and (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3))} havoc #t~ret1; {7338#(and (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3))} is VALID [2020-07-18 04:54:41,525 INFO L280 TraceCheckUtils]: 73: Hoare triple {7338#(and (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3))} havoc #t~ret0; {7338#(and (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3))} is VALID [2020-07-18 04:54:41,525 INFO L280 TraceCheckUtils]: 74: Hoare triple {7338#(and (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3))} assume true; {7338#(and (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3))} is VALID [2020-07-18 04:54:41,526 INFO L275 TraceCheckUtils]: 75: Hoare quadruple {7338#(and (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3))} {7190#true} #63#return; {7270#(and (<= 3 |main_#t~ret4|) (<= |main_#t~ret4| 3))} is VALID [2020-07-18 04:54:41,535 INFO L263 TraceCheckUtils]: 0: Hoare triple {7190#true} call ULTIMATE.init(); {7190#true} is VALID [2020-07-18 04:54:41,535 INFO L280 TraceCheckUtils]: 1: Hoare triple {7190#true} assume true; {7190#true} is VALID [2020-07-18 04:54:41,535 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {7190#true} {7190#true} #59#return; {7190#true} is VALID [2020-07-18 04:54:41,535 INFO L263 TraceCheckUtils]: 3: Hoare triple {7190#true} call #t~ret5 := main(); {7190#true} is VALID [2020-07-18 04:54:41,535 INFO L280 TraceCheckUtils]: 4: Hoare triple {7190#true} ~x~0 := 4; {7190#true} is VALID [2020-07-18 04:54:41,536 INFO L263 TraceCheckUtils]: 5: Hoare triple {7190#true} call #t~ret4 := fibo1(~x~0); {7190#true} is VALID [2020-07-18 04:54:41,536 INFO L280 TraceCheckUtils]: 6: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-18 04:54:41,536 INFO L280 TraceCheckUtils]: 7: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-18 04:54:41,536 INFO L280 TraceCheckUtils]: 8: Hoare triple {7190#true} assume !(1 == ~n); {7190#true} is VALID [2020-07-18 04:54:41,536 INFO L263 TraceCheckUtils]: 9: Hoare triple {7190#true} call #t~ret0 := fibo2(~n - 1); {7190#true} is VALID [2020-07-18 04:54:41,537 INFO L280 TraceCheckUtils]: 10: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-18 04:54:41,537 INFO L280 TraceCheckUtils]: 11: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-18 04:54:41,537 INFO L280 TraceCheckUtils]: 12: Hoare triple {7190#true} assume !(1 == ~n); {7190#true} is VALID [2020-07-18 04:54:41,537 INFO L263 TraceCheckUtils]: 13: Hoare triple {7190#true} call #t~ret2 := fibo1(~n - 1); {7190#true} is VALID [2020-07-18 04:54:41,537 INFO L280 TraceCheckUtils]: 14: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-18 04:54:41,537 INFO L280 TraceCheckUtils]: 15: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-18 04:54:41,538 INFO L280 TraceCheckUtils]: 16: Hoare triple {7190#true} assume !(1 == ~n); {7190#true} is VALID [2020-07-18 04:54:41,538 INFO L263 TraceCheckUtils]: 17: Hoare triple {7190#true} call #t~ret0 := fibo2(~n - 1); {7190#true} is VALID [2020-07-18 04:54:41,538 INFO L280 TraceCheckUtils]: 18: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-18 04:54:41,538 INFO L280 TraceCheckUtils]: 19: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-18 04:54:41,538 INFO L280 TraceCheckUtils]: 20: Hoare triple {7190#true} assume 1 == ~n; {7190#true} is VALID [2020-07-18 04:54:41,539 INFO L280 TraceCheckUtils]: 21: Hoare triple {7190#true} #res := 1; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-18 04:54:41,540 INFO L280 TraceCheckUtils]: 22: Hoare triple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-18 04:54:41,541 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {7190#true} #69#return; {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-18 04:54:41,541 INFO L280 TraceCheckUtils]: 24: Hoare triple {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-18 04:54:41,542 INFO L263 TraceCheckUtils]: 25: Hoare triple {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} call #t~ret1 := fibo2(~n - 2); {7190#true} is VALID [2020-07-18 04:54:41,542 INFO L280 TraceCheckUtils]: 26: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-18 04:54:41,542 INFO L280 TraceCheckUtils]: 27: Hoare triple {7190#true} assume ~n < 1; {7190#true} is VALID [2020-07-18 04:54:41,542 INFO L280 TraceCheckUtils]: 28: Hoare triple {7190#true} #res := 0; {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-18 04:54:41,543 INFO L280 TraceCheckUtils]: 29: Hoare triple {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} assume true; {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-18 04:54:41,544 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {7386#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} {7377#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} #71#return; {7383#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} is VALID [2020-07-18 04:54:41,545 INFO L280 TraceCheckUtils]: 31: Hoare triple {7383#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {7383#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} is VALID [2020-07-18 04:54:41,546 INFO L280 TraceCheckUtils]: 32: Hoare triple {7383#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} #res := #t~ret0 + #t~ret1; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-18 04:54:41,546 INFO L280 TraceCheckUtils]: 33: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} havoc #t~ret1; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-18 04:54:41,547 INFO L280 TraceCheckUtils]: 34: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} havoc #t~ret0; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-18 04:54:41,548 INFO L280 TraceCheckUtils]: 35: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-18 04:54:41,549 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {7190#true} #65#return; {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-18 04:54:41,549 INFO L280 TraceCheckUtils]: 37: Hoare triple {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-18 04:54:41,549 INFO L263 TraceCheckUtils]: 38: Hoare triple {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} call #t~ret3 := fibo1(~n - 2); {7190#true} is VALID [2020-07-18 04:54:41,550 INFO L280 TraceCheckUtils]: 39: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-18 04:54:41,550 INFO L280 TraceCheckUtils]: 40: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-18 04:54:41,550 INFO L280 TraceCheckUtils]: 41: Hoare triple {7190#true} assume 1 == ~n; {7190#true} is VALID [2020-07-18 04:54:41,551 INFO L280 TraceCheckUtils]: 42: Hoare triple {7190#true} #res := 1; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-18 04:54:41,551 INFO L280 TraceCheckUtils]: 43: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-18 04:54:41,555 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} #67#return; {7369#(and (<= 2 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 2))} is VALID [2020-07-18 04:54:41,556 INFO L280 TraceCheckUtils]: 45: Hoare triple {7369#(and (<= 2 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 2))} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7369#(and (<= 2 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 2))} is VALID [2020-07-18 04:54:41,557 INFO L280 TraceCheckUtils]: 46: Hoare triple {7369#(and (<= 2 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 2))} #res := #t~ret2 + #t~ret3; {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2020-07-18 04:54:41,558 INFO L280 TraceCheckUtils]: 47: Hoare triple {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} havoc #t~ret3; {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2020-07-18 04:54:41,558 INFO L280 TraceCheckUtils]: 48: Hoare triple {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} havoc #t~ret2; {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2020-07-18 04:54:41,559 INFO L280 TraceCheckUtils]: 49: Hoare triple {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} assume true; {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2020-07-18 04:54:41,560 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {7370#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} {7190#true} #69#return; {7313#(and (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|))} is VALID [2020-07-18 04:54:41,561 INFO L280 TraceCheckUtils]: 51: Hoare triple {7313#(and (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7313#(and (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|))} is VALID [2020-07-18 04:54:41,561 INFO L263 TraceCheckUtils]: 52: Hoare triple {7313#(and (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|))} call #t~ret1 := fibo2(~n - 2); {7190#true} is VALID [2020-07-18 04:54:41,561 INFO L280 TraceCheckUtils]: 53: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-18 04:54:41,561 INFO L280 TraceCheckUtils]: 54: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-18 04:54:41,561 INFO L280 TraceCheckUtils]: 55: Hoare triple {7190#true} assume !(1 == ~n); {7190#true} is VALID [2020-07-18 04:54:41,561 INFO L263 TraceCheckUtils]: 56: Hoare triple {7190#true} call #t~ret2 := fibo1(~n - 1); {7190#true} is VALID [2020-07-18 04:54:41,562 INFO L280 TraceCheckUtils]: 57: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-18 04:54:41,562 INFO L280 TraceCheckUtils]: 58: Hoare triple {7190#true} assume !(~n < 1); {7190#true} is VALID [2020-07-18 04:54:41,562 INFO L280 TraceCheckUtils]: 59: Hoare triple {7190#true} assume 1 == ~n; {7190#true} is VALID [2020-07-18 04:54:41,563 INFO L280 TraceCheckUtils]: 60: Hoare triple {7190#true} #res := 1; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-18 04:54:41,563 INFO L280 TraceCheckUtils]: 61: Hoare triple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-18 04:54:41,565 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {7384#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {7190#true} #65#return; {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-18 04:54:41,565 INFO L280 TraceCheckUtils]: 63: Hoare triple {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-18 04:54:41,566 INFO L263 TraceCheckUtils]: 64: Hoare triple {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} call #t~ret3 := fibo1(~n - 2); {7190#true} is VALID [2020-07-18 04:54:41,566 INFO L280 TraceCheckUtils]: 65: Hoare triple {7190#true} ~n := #in~n; {7190#true} is VALID [2020-07-18 04:54:41,566 INFO L280 TraceCheckUtils]: 66: Hoare triple {7190#true} assume ~n < 1; {7190#true} is VALID [2020-07-18 04:54:41,567 INFO L280 TraceCheckUtils]: 67: Hoare triple {7190#true} #res := 0; {7399#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} is VALID [2020-07-18 04:54:41,567 INFO L280 TraceCheckUtils]: 68: Hoare triple {7399#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} assume true; {7399#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} is VALID [2020-07-18 04:54:41,569 INFO L275 TraceCheckUtils]: 69: Hoare quadruple {7399#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} {7362#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} #67#return; {7398#(and (<= 1 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 1))} is VALID [2020-07-18 04:54:41,569 INFO L280 TraceCheckUtils]: 70: Hoare triple {7398#(and (<= 1 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 1))} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {7398#(and (<= 1 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 1))} is VALID [2020-07-18 04:54:41,570 INFO L280 TraceCheckUtils]: 71: Hoare triple {7398#(and (<= 1 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 1))} #res := #t~ret2 + #t~ret3; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-18 04:54:41,571 INFO L280 TraceCheckUtils]: 72: Hoare triple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} havoc #t~ret3; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-18 04:54:41,571 INFO L280 TraceCheckUtils]: 73: Hoare triple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} havoc #t~ret2; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-18 04:54:41,572 INFO L280 TraceCheckUtils]: 74: Hoare triple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-18 04:54:41,573 INFO L275 TraceCheckUtils]: 75: Hoare quadruple {7385#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {7313#(and (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|))} #71#return; {7337#(and (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 3) (<= 3 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)))} is VALID [2020-07-18 04:54:41,574 INFO L280 TraceCheckUtils]: 76: Hoare triple {7337#(and (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 3) (<= 3 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {7337#(and (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 3) (<= 3 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)))} is VALID [2020-07-18 04:54:41,575 INFO L280 TraceCheckUtils]: 77: Hoare triple {7337#(and (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 3) (<= 3 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)))} #res := #t~ret0 + #t~ret1; {7338#(and (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3))} is VALID [2020-07-18 04:54:41,575 INFO L280 TraceCheckUtils]: 78: Hoare triple {7338#(and (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3))} havoc #t~ret1; {7338#(and (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3))} is VALID [2020-07-18 04:54:41,576 INFO L280 TraceCheckUtils]: 79: Hoare triple {7338#(and (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3))} havoc #t~ret0; {7338#(and (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3))} is VALID [2020-07-18 04:54:41,576 INFO L280 TraceCheckUtils]: 80: Hoare triple {7338#(and (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3))} assume true; {7338#(and (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3))} is VALID [2020-07-18 04:54:41,577 INFO L275 TraceCheckUtils]: 81: Hoare quadruple {7338#(and (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3))} {7190#true} #63#return; {7270#(and (<= 3 |main_#t~ret4|) (<= |main_#t~ret4| 3))} is VALID [2020-07-18 04:54:41,578 INFO L280 TraceCheckUtils]: 82: Hoare triple {7270#(and (<= 3 |main_#t~ret4|) (<= |main_#t~ret4| 3))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {7270#(and (<= 3 |main_#t~ret4|) (<= |main_#t~ret4| 3))} is VALID [2020-07-18 04:54:41,579 INFO L280 TraceCheckUtils]: 83: Hoare triple {7270#(and (<= 3 |main_#t~ret4|) (<= |main_#t~ret4| 3))} ~result~0 := #t~ret4; {7271#(and (<= main_~result~0 3) (<= 3 main_~result~0))} is VALID [2020-07-18 04:54:41,579 INFO L280 TraceCheckUtils]: 84: Hoare triple {7271#(and (<= main_~result~0 3) (<= 3 main_~result~0))} havoc #t~ret4; {7271#(and (<= main_~result~0 3) (<= 3 main_~result~0))} is VALID [2020-07-18 04:54:41,580 INFO L280 TraceCheckUtils]: 85: Hoare triple {7271#(and (<= main_~result~0 3) (<= 3 main_~result~0))} assume 3 != ~result~0; {7191#false} is VALID [2020-07-18 04:54:41,580 INFO L280 TraceCheckUtils]: 86: Hoare triple {7191#false} assume !false; {7191#false} is VALID [2020-07-18 04:54:41,590 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-07-18 04:54:41,590 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1167305918] [2020-07-18 04:54:41,591 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-18 04:54:41,591 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-07-18 04:54:41,591 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819917573] [2020-07-18 04:54:41,592 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 87 [2020-07-18 04:54:41,592 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 04:54:41,592 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states. [2020-07-18 04:54:41,669 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:54:41,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-18 04:54:41,669 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 04:54:41,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-18 04:54:41,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2020-07-18 04:54:41,671 INFO L87 Difference]: Start difference. First operand 103 states and 127 transitions. Second operand 17 states. [2020-07-18 04:54:43,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:54:43,630 INFO L93 Difference]: Finished difference Result 137 states and 167 transitions. [2020-07-18 04:54:43,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-07-18 04:54:43,631 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 87 [2020-07-18 04:54:43,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 04:54:43,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-07-18 04:54:43,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 97 transitions. [2020-07-18 04:54:43,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-07-18 04:54:43,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 97 transitions. [2020-07-18 04:54:43,635 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 26 states and 97 transitions. [2020-07-18 04:54:43,738 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 97 edges. 97 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:54:43,742 INFO L225 Difference]: With dead ends: 137 [2020-07-18 04:54:43,742 INFO L226 Difference]: Without dead ends: 131 [2020-07-18 04:54:43,743 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=95, Invalid=775, Unknown=0, NotChecked=0, Total=870 [2020-07-18 04:54:43,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-07-18 04:54:44,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 111. [2020-07-18 04:54:44,077 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 04:54:44,077 INFO L82 GeneralOperation]: Start isEquivalent. First operand 131 states. Second operand 111 states. [2020-07-18 04:54:44,077 INFO L74 IsIncluded]: Start isIncluded. First operand 131 states. Second operand 111 states. [2020-07-18 04:54:44,078 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 111 states. [2020-07-18 04:54:44,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:54:44,085 INFO L93 Difference]: Finished difference Result 131 states and 161 transitions. [2020-07-18 04:54:44,085 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 161 transitions. [2020-07-18 04:54:44,087 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:54:44,087 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:54:44,087 INFO L74 IsIncluded]: Start isIncluded. First operand 111 states. Second operand 131 states. [2020-07-18 04:54:44,088 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 131 states. [2020-07-18 04:54:44,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:54:44,094 INFO L93 Difference]: Finished difference Result 131 states and 161 transitions. [2020-07-18 04:54:44,094 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 161 transitions. [2020-07-18 04:54:44,096 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:54:44,096 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:54:44,096 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 04:54:44,096 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 04:54:44,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-07-18 04:54:44,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 137 transitions. [2020-07-18 04:54:44,102 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 137 transitions. Word has length 87 [2020-07-18 04:54:44,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 04:54:44,102 INFO L479 AbstractCegarLoop]: Abstraction has 111 states and 137 transitions. [2020-07-18 04:54:44,102 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-18 04:54:44,102 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 111 states and 137 transitions. [2020-07-18 04:54:44,340 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 137 edges. 137 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:54:44,340 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 137 transitions. [2020-07-18 04:54:44,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-18 04:54:44,342 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:54:44,342 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 04:54:44,343 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-18 04:54:44,343 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:54:44,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:54:44,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1530276981, now seen corresponding path program 2 times [2020-07-18 04:54:44,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:54:44,344 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1577645766] [2020-07-18 04:54:44,344 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:54:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:44,385 INFO L280 TraceCheckUtils]: 0: Hoare triple {8186#true} assume true; {8186#true} is VALID [2020-07-18 04:54:44,385 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {8186#true} {8186#true} #59#return; {8186#true} is VALID [2020-07-18 04:54:44,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:44,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:44,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:44,481 INFO L280 TraceCheckUtils]: 0: Hoare triple {8186#true} ~n := #in~n; {8376#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:44,481 INFO L280 TraceCheckUtils]: 1: Hoare triple {8376#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8376#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:44,482 INFO L280 TraceCheckUtils]: 2: Hoare triple {8376#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {8377#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:44,482 INFO L280 TraceCheckUtils]: 3: Hoare triple {8377#(<= |fibo2_#in~n| 1)} #res := 1; {8377#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:44,483 INFO L280 TraceCheckUtils]: 4: Hoare triple {8377#(<= |fibo2_#in~n| 1)} assume true; {8377#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:44,483 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {8377#(<= |fibo2_#in~n| 1)} {8186#true} #69#return; {8369#(<= fibo1_~n 2)} is VALID [2020-07-18 04:54:44,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:44,508 INFO L280 TraceCheckUtils]: 0: Hoare triple {8186#true} ~n := #in~n; {8376#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:44,508 INFO L280 TraceCheckUtils]: 1: Hoare triple {8376#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:44,509 INFO L280 TraceCheckUtils]: 2: Hoare triple {8378#(<= 1 |fibo2_#in~n|)} assume 1 == ~n; {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:44,509 INFO L280 TraceCheckUtils]: 3: Hoare triple {8378#(<= 1 |fibo2_#in~n|)} #res := 1; {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:44,510 INFO L280 TraceCheckUtils]: 4: Hoare triple {8378#(<= 1 |fibo2_#in~n|)} assume true; {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:44,511 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {8378#(<= 1 |fibo2_#in~n|)} {8369#(<= fibo1_~n 2)} #71#return; {8187#false} is VALID [2020-07-18 04:54:44,511 INFO L280 TraceCheckUtils]: 0: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-18 04:54:44,512 INFO L280 TraceCheckUtils]: 1: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-18 04:54:44,512 INFO L280 TraceCheckUtils]: 2: Hoare triple {8186#true} assume !(1 == ~n); {8186#true} is VALID [2020-07-18 04:54:44,512 INFO L263 TraceCheckUtils]: 3: Hoare triple {8186#true} call #t~ret0 := fibo2(~n - 1); {8186#true} is VALID [2020-07-18 04:54:44,513 INFO L280 TraceCheckUtils]: 4: Hoare triple {8186#true} ~n := #in~n; {8376#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:44,513 INFO L280 TraceCheckUtils]: 5: Hoare triple {8376#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8376#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:44,514 INFO L280 TraceCheckUtils]: 6: Hoare triple {8376#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {8377#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:44,514 INFO L280 TraceCheckUtils]: 7: Hoare triple {8377#(<= |fibo2_#in~n| 1)} #res := 1; {8377#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:44,515 INFO L280 TraceCheckUtils]: 8: Hoare triple {8377#(<= |fibo2_#in~n| 1)} assume true; {8377#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:44,516 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {8377#(<= |fibo2_#in~n| 1)} {8186#true} #69#return; {8369#(<= fibo1_~n 2)} is VALID [2020-07-18 04:54:44,518 INFO L280 TraceCheckUtils]: 10: Hoare triple {8369#(<= fibo1_~n 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8369#(<= fibo1_~n 2)} is VALID [2020-07-18 04:54:44,518 INFO L263 TraceCheckUtils]: 11: Hoare triple {8369#(<= fibo1_~n 2)} call #t~ret1 := fibo2(~n - 2); {8186#true} is VALID [2020-07-18 04:54:44,521 INFO L280 TraceCheckUtils]: 12: Hoare triple {8186#true} ~n := #in~n; {8376#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:44,522 INFO L280 TraceCheckUtils]: 13: Hoare triple {8376#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:44,523 INFO L280 TraceCheckUtils]: 14: Hoare triple {8378#(<= 1 |fibo2_#in~n|)} assume 1 == ~n; {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:44,523 INFO L280 TraceCheckUtils]: 15: Hoare triple {8378#(<= 1 |fibo2_#in~n|)} #res := 1; {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:44,524 INFO L280 TraceCheckUtils]: 16: Hoare triple {8378#(<= 1 |fibo2_#in~n|)} assume true; {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:44,525 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {8378#(<= 1 |fibo2_#in~n|)} {8369#(<= fibo1_~n 2)} #71#return; {8187#false} is VALID [2020-07-18 04:54:44,525 INFO L280 TraceCheckUtils]: 18: Hoare triple {8187#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {8187#false} is VALID [2020-07-18 04:54:44,525 INFO L280 TraceCheckUtils]: 19: Hoare triple {8187#false} #res := #t~ret0 + #t~ret1; {8187#false} is VALID [2020-07-18 04:54:44,525 INFO L280 TraceCheckUtils]: 20: Hoare triple {8187#false} havoc #t~ret1; {8187#false} is VALID [2020-07-18 04:54:44,525 INFO L280 TraceCheckUtils]: 21: Hoare triple {8187#false} havoc #t~ret0; {8187#false} is VALID [2020-07-18 04:54:44,526 INFO L280 TraceCheckUtils]: 22: Hoare triple {8187#false} assume true; {8187#false} is VALID [2020-07-18 04:54:44,526 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {8187#false} {8186#true} #65#return; {8187#false} is VALID [2020-07-18 04:54:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:44,531 INFO L280 TraceCheckUtils]: 0: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-18 04:54:44,531 INFO L280 TraceCheckUtils]: 1: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-18 04:54:44,531 INFO L280 TraceCheckUtils]: 2: Hoare triple {8186#true} assume 1 == ~n; {8186#true} is VALID [2020-07-18 04:54:44,531 INFO L280 TraceCheckUtils]: 3: Hoare triple {8186#true} #res := 1; {8186#true} is VALID [2020-07-18 04:54:44,532 INFO L280 TraceCheckUtils]: 4: Hoare triple {8186#true} assume true; {8186#true} is VALID [2020-07-18 04:54:44,532 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {8186#true} {8187#false} #67#return; {8187#false} is VALID [2020-07-18 04:54:44,532 INFO L280 TraceCheckUtils]: 0: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-18 04:54:44,532 INFO L280 TraceCheckUtils]: 1: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-18 04:54:44,532 INFO L280 TraceCheckUtils]: 2: Hoare triple {8186#true} assume !(1 == ~n); {8186#true} is VALID [2020-07-18 04:54:44,533 INFO L263 TraceCheckUtils]: 3: Hoare triple {8186#true} call #t~ret2 := fibo1(~n - 1); {8186#true} is VALID [2020-07-18 04:54:44,533 INFO L280 TraceCheckUtils]: 4: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-18 04:54:44,533 INFO L280 TraceCheckUtils]: 5: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-18 04:54:44,533 INFO L280 TraceCheckUtils]: 6: Hoare triple {8186#true} assume !(1 == ~n); {8186#true} is VALID [2020-07-18 04:54:44,533 INFO L263 TraceCheckUtils]: 7: Hoare triple {8186#true} call #t~ret0 := fibo2(~n - 1); {8186#true} is VALID [2020-07-18 04:54:44,534 INFO L280 TraceCheckUtils]: 8: Hoare triple {8186#true} ~n := #in~n; {8376#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:44,534 INFO L280 TraceCheckUtils]: 9: Hoare triple {8376#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8376#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:44,535 INFO L280 TraceCheckUtils]: 10: Hoare triple {8376#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {8377#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:44,536 INFO L280 TraceCheckUtils]: 11: Hoare triple {8377#(<= |fibo2_#in~n| 1)} #res := 1; {8377#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:44,536 INFO L280 TraceCheckUtils]: 12: Hoare triple {8377#(<= |fibo2_#in~n| 1)} assume true; {8377#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:44,537 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {8377#(<= |fibo2_#in~n| 1)} {8186#true} #69#return; {8369#(<= fibo1_~n 2)} is VALID [2020-07-18 04:54:44,538 INFO L280 TraceCheckUtils]: 14: Hoare triple {8369#(<= fibo1_~n 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8369#(<= fibo1_~n 2)} is VALID [2020-07-18 04:54:44,538 INFO L263 TraceCheckUtils]: 15: Hoare triple {8369#(<= fibo1_~n 2)} call #t~ret1 := fibo2(~n - 2); {8186#true} is VALID [2020-07-18 04:54:44,539 INFO L280 TraceCheckUtils]: 16: Hoare triple {8186#true} ~n := #in~n; {8376#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:44,539 INFO L280 TraceCheckUtils]: 17: Hoare triple {8376#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:44,540 INFO L280 TraceCheckUtils]: 18: Hoare triple {8378#(<= 1 |fibo2_#in~n|)} assume 1 == ~n; {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:44,540 INFO L280 TraceCheckUtils]: 19: Hoare triple {8378#(<= 1 |fibo2_#in~n|)} #res := 1; {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:44,541 INFO L280 TraceCheckUtils]: 20: Hoare triple {8378#(<= 1 |fibo2_#in~n|)} assume true; {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:44,542 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {8378#(<= 1 |fibo2_#in~n|)} {8369#(<= fibo1_~n 2)} #71#return; {8187#false} is VALID [2020-07-18 04:54:44,542 INFO L280 TraceCheckUtils]: 22: Hoare triple {8187#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {8187#false} is VALID [2020-07-18 04:54:44,542 INFO L280 TraceCheckUtils]: 23: Hoare triple {8187#false} #res := #t~ret0 + #t~ret1; {8187#false} is VALID [2020-07-18 04:54:44,542 INFO L280 TraceCheckUtils]: 24: Hoare triple {8187#false} havoc #t~ret1; {8187#false} is VALID [2020-07-18 04:54:44,542 INFO L280 TraceCheckUtils]: 25: Hoare triple {8187#false} havoc #t~ret0; {8187#false} is VALID [2020-07-18 04:54:44,543 INFO L280 TraceCheckUtils]: 26: Hoare triple {8187#false} assume true; {8187#false} is VALID [2020-07-18 04:54:44,543 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {8187#false} {8186#true} #65#return; {8187#false} is VALID [2020-07-18 04:54:44,543 INFO L280 TraceCheckUtils]: 28: Hoare triple {8187#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8187#false} is VALID [2020-07-18 04:54:44,543 INFO L263 TraceCheckUtils]: 29: Hoare triple {8187#false} call #t~ret3 := fibo1(~n - 2); {8186#true} is VALID [2020-07-18 04:54:44,543 INFO L280 TraceCheckUtils]: 30: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-18 04:54:44,544 INFO L280 TraceCheckUtils]: 31: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-18 04:54:44,544 INFO L280 TraceCheckUtils]: 32: Hoare triple {8186#true} assume 1 == ~n; {8186#true} is VALID [2020-07-18 04:54:44,544 INFO L280 TraceCheckUtils]: 33: Hoare triple {8186#true} #res := 1; {8186#true} is VALID [2020-07-18 04:54:44,544 INFO L280 TraceCheckUtils]: 34: Hoare triple {8186#true} assume true; {8186#true} is VALID [2020-07-18 04:54:44,544 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {8186#true} {8187#false} #67#return; {8187#false} is VALID [2020-07-18 04:54:44,545 INFO L280 TraceCheckUtils]: 36: Hoare triple {8187#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {8187#false} is VALID [2020-07-18 04:54:44,545 INFO L280 TraceCheckUtils]: 37: Hoare triple {8187#false} #res := #t~ret2 + #t~ret3; {8187#false} is VALID [2020-07-18 04:54:44,545 INFO L280 TraceCheckUtils]: 38: Hoare triple {8187#false} havoc #t~ret3; {8187#false} is VALID [2020-07-18 04:54:44,545 INFO L280 TraceCheckUtils]: 39: Hoare triple {8187#false} havoc #t~ret2; {8187#false} is VALID [2020-07-18 04:54:44,545 INFO L280 TraceCheckUtils]: 40: Hoare triple {8187#false} assume true; {8187#false} is VALID [2020-07-18 04:54:44,545 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {8187#false} {8186#true} #69#return; {8187#false} is VALID [2020-07-18 04:54:44,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:44,556 INFO L280 TraceCheckUtils]: 0: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-18 04:54:44,557 INFO L280 TraceCheckUtils]: 1: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-18 04:54:44,557 INFO L280 TraceCheckUtils]: 2: Hoare triple {8186#true} assume 1 == ~n; {8186#true} is VALID [2020-07-18 04:54:44,557 INFO L280 TraceCheckUtils]: 3: Hoare triple {8186#true} #res := 1; {8186#true} is VALID [2020-07-18 04:54:44,557 INFO L280 TraceCheckUtils]: 4: Hoare triple {8186#true} assume true; {8186#true} is VALID [2020-07-18 04:54:44,558 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {8186#true} {8186#true} #65#return; {8186#true} is VALID [2020-07-18 04:54:44,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:44,561 INFO L280 TraceCheckUtils]: 0: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-18 04:54:44,561 INFO L280 TraceCheckUtils]: 1: Hoare triple {8186#true} assume ~n < 1; {8186#true} is VALID [2020-07-18 04:54:44,561 INFO L280 TraceCheckUtils]: 2: Hoare triple {8186#true} #res := 0; {8186#true} is VALID [2020-07-18 04:54:44,561 INFO L280 TraceCheckUtils]: 3: Hoare triple {8186#true} assume true; {8186#true} is VALID [2020-07-18 04:54:44,562 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {8186#true} {8186#true} #67#return; {8186#true} is VALID [2020-07-18 04:54:44,562 INFO L280 TraceCheckUtils]: 0: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-18 04:54:44,562 INFO L280 TraceCheckUtils]: 1: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-18 04:54:44,562 INFO L280 TraceCheckUtils]: 2: Hoare triple {8186#true} assume !(1 == ~n); {8186#true} is VALID [2020-07-18 04:54:44,562 INFO L263 TraceCheckUtils]: 3: Hoare triple {8186#true} call #t~ret2 := fibo1(~n - 1); {8186#true} is VALID [2020-07-18 04:54:44,563 INFO L280 TraceCheckUtils]: 4: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-18 04:54:44,563 INFO L280 TraceCheckUtils]: 5: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-18 04:54:44,563 INFO L280 TraceCheckUtils]: 6: Hoare triple {8186#true} assume 1 == ~n; {8186#true} is VALID [2020-07-18 04:54:44,563 INFO L280 TraceCheckUtils]: 7: Hoare triple {8186#true} #res := 1; {8186#true} is VALID [2020-07-18 04:54:44,563 INFO L280 TraceCheckUtils]: 8: Hoare triple {8186#true} assume true; {8186#true} is VALID [2020-07-18 04:54:44,564 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {8186#true} {8186#true} #65#return; {8186#true} is VALID [2020-07-18 04:54:44,564 INFO L280 TraceCheckUtils]: 10: Hoare triple {8186#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8186#true} is VALID [2020-07-18 04:54:44,564 INFO L263 TraceCheckUtils]: 11: Hoare triple {8186#true} call #t~ret3 := fibo1(~n - 2); {8186#true} is VALID [2020-07-18 04:54:44,564 INFO L280 TraceCheckUtils]: 12: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-18 04:54:44,564 INFO L280 TraceCheckUtils]: 13: Hoare triple {8186#true} assume ~n < 1; {8186#true} is VALID [2020-07-18 04:54:44,565 INFO L280 TraceCheckUtils]: 14: Hoare triple {8186#true} #res := 0; {8186#true} is VALID [2020-07-18 04:54:44,565 INFO L280 TraceCheckUtils]: 15: Hoare triple {8186#true} assume true; {8186#true} is VALID [2020-07-18 04:54:44,565 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {8186#true} {8186#true} #67#return; {8186#true} is VALID [2020-07-18 04:54:44,565 INFO L280 TraceCheckUtils]: 17: Hoare triple {8186#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {8186#true} is VALID [2020-07-18 04:54:44,565 INFO L280 TraceCheckUtils]: 18: Hoare triple {8186#true} #res := #t~ret2 + #t~ret3; {8186#true} is VALID [2020-07-18 04:54:44,566 INFO L280 TraceCheckUtils]: 19: Hoare triple {8186#true} havoc #t~ret3; {8186#true} is VALID [2020-07-18 04:54:44,566 INFO L280 TraceCheckUtils]: 20: Hoare triple {8186#true} havoc #t~ret2; {8186#true} is VALID [2020-07-18 04:54:44,566 INFO L280 TraceCheckUtils]: 21: Hoare triple {8186#true} assume true; {8186#true} is VALID [2020-07-18 04:54:44,566 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {8186#true} {8187#false} #71#return; {8187#false} is VALID [2020-07-18 04:54:44,567 INFO L280 TraceCheckUtils]: 0: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-18 04:54:44,567 INFO L280 TraceCheckUtils]: 1: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-18 04:54:44,567 INFO L280 TraceCheckUtils]: 2: Hoare triple {8186#true} assume !(1 == ~n); {8186#true} is VALID [2020-07-18 04:54:44,567 INFO L263 TraceCheckUtils]: 3: Hoare triple {8186#true} call #t~ret0 := fibo2(~n - 1); {8186#true} is VALID [2020-07-18 04:54:44,567 INFO L280 TraceCheckUtils]: 4: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-18 04:54:44,568 INFO L280 TraceCheckUtils]: 5: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-18 04:54:44,568 INFO L280 TraceCheckUtils]: 6: Hoare triple {8186#true} assume !(1 == ~n); {8186#true} is VALID [2020-07-18 04:54:44,568 INFO L263 TraceCheckUtils]: 7: Hoare triple {8186#true} call #t~ret2 := fibo1(~n - 1); {8186#true} is VALID [2020-07-18 04:54:44,568 INFO L280 TraceCheckUtils]: 8: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-18 04:54:44,568 INFO L280 TraceCheckUtils]: 9: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-18 04:54:44,569 INFO L280 TraceCheckUtils]: 10: Hoare triple {8186#true} assume !(1 == ~n); {8186#true} is VALID [2020-07-18 04:54:44,569 INFO L263 TraceCheckUtils]: 11: Hoare triple {8186#true} call #t~ret0 := fibo2(~n - 1); {8186#true} is VALID [2020-07-18 04:54:44,570 INFO L280 TraceCheckUtils]: 12: Hoare triple {8186#true} ~n := #in~n; {8376#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:44,570 INFO L280 TraceCheckUtils]: 13: Hoare triple {8376#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8376#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:44,571 INFO L280 TraceCheckUtils]: 14: Hoare triple {8376#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {8377#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:44,571 INFO L280 TraceCheckUtils]: 15: Hoare triple {8377#(<= |fibo2_#in~n| 1)} #res := 1; {8377#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:44,572 INFO L280 TraceCheckUtils]: 16: Hoare triple {8377#(<= |fibo2_#in~n| 1)} assume true; {8377#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:44,573 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {8377#(<= |fibo2_#in~n| 1)} {8186#true} #69#return; {8369#(<= fibo1_~n 2)} is VALID [2020-07-18 04:54:44,573 INFO L280 TraceCheckUtils]: 18: Hoare triple {8369#(<= fibo1_~n 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8369#(<= fibo1_~n 2)} is VALID [2020-07-18 04:54:44,574 INFO L263 TraceCheckUtils]: 19: Hoare triple {8369#(<= fibo1_~n 2)} call #t~ret1 := fibo2(~n - 2); {8186#true} is VALID [2020-07-18 04:54:44,574 INFO L280 TraceCheckUtils]: 20: Hoare triple {8186#true} ~n := #in~n; {8376#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:44,575 INFO L280 TraceCheckUtils]: 21: Hoare triple {8376#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:44,575 INFO L280 TraceCheckUtils]: 22: Hoare triple {8378#(<= 1 |fibo2_#in~n|)} assume 1 == ~n; {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:44,576 INFO L280 TraceCheckUtils]: 23: Hoare triple {8378#(<= 1 |fibo2_#in~n|)} #res := 1; {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:44,576 INFO L280 TraceCheckUtils]: 24: Hoare triple {8378#(<= 1 |fibo2_#in~n|)} assume true; {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:44,578 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {8378#(<= 1 |fibo2_#in~n|)} {8369#(<= fibo1_~n 2)} #71#return; {8187#false} is VALID [2020-07-18 04:54:44,578 INFO L280 TraceCheckUtils]: 26: Hoare triple {8187#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {8187#false} is VALID [2020-07-18 04:54:44,578 INFO L280 TraceCheckUtils]: 27: Hoare triple {8187#false} #res := #t~ret0 + #t~ret1; {8187#false} is VALID [2020-07-18 04:54:44,578 INFO L280 TraceCheckUtils]: 28: Hoare triple {8187#false} havoc #t~ret1; {8187#false} is VALID [2020-07-18 04:54:44,578 INFO L280 TraceCheckUtils]: 29: Hoare triple {8187#false} havoc #t~ret0; {8187#false} is VALID [2020-07-18 04:54:44,579 INFO L280 TraceCheckUtils]: 30: Hoare triple {8187#false} assume true; {8187#false} is VALID [2020-07-18 04:54:44,579 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {8187#false} {8186#true} #65#return; {8187#false} is VALID [2020-07-18 04:54:44,579 INFO L280 TraceCheckUtils]: 32: Hoare triple {8187#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8187#false} is VALID [2020-07-18 04:54:44,579 INFO L263 TraceCheckUtils]: 33: Hoare triple {8187#false} call #t~ret3 := fibo1(~n - 2); {8186#true} is VALID [2020-07-18 04:54:44,579 INFO L280 TraceCheckUtils]: 34: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-18 04:54:44,579 INFO L280 TraceCheckUtils]: 35: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-18 04:54:44,580 INFO L280 TraceCheckUtils]: 36: Hoare triple {8186#true} assume 1 == ~n; {8186#true} is VALID [2020-07-18 04:54:44,580 INFO L280 TraceCheckUtils]: 37: Hoare triple {8186#true} #res := 1; {8186#true} is VALID [2020-07-18 04:54:44,580 INFO L280 TraceCheckUtils]: 38: Hoare triple {8186#true} assume true; {8186#true} is VALID [2020-07-18 04:54:44,580 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {8186#true} {8187#false} #67#return; {8187#false} is VALID [2020-07-18 04:54:44,580 INFO L280 TraceCheckUtils]: 40: Hoare triple {8187#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {8187#false} is VALID [2020-07-18 04:54:44,581 INFO L280 TraceCheckUtils]: 41: Hoare triple {8187#false} #res := #t~ret2 + #t~ret3; {8187#false} is VALID [2020-07-18 04:54:44,581 INFO L280 TraceCheckUtils]: 42: Hoare triple {8187#false} havoc #t~ret3; {8187#false} is VALID [2020-07-18 04:54:44,581 INFO L280 TraceCheckUtils]: 43: Hoare triple {8187#false} havoc #t~ret2; {8187#false} is VALID [2020-07-18 04:54:44,581 INFO L280 TraceCheckUtils]: 44: Hoare triple {8187#false} assume true; {8187#false} is VALID [2020-07-18 04:54:44,581 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {8187#false} {8186#true} #69#return; {8187#false} is VALID [2020-07-18 04:54:44,582 INFO L280 TraceCheckUtils]: 46: Hoare triple {8187#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8187#false} is VALID [2020-07-18 04:54:44,582 INFO L263 TraceCheckUtils]: 47: Hoare triple {8187#false} call #t~ret1 := fibo2(~n - 2); {8186#true} is VALID [2020-07-18 04:54:44,582 INFO L280 TraceCheckUtils]: 48: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-18 04:54:44,582 INFO L280 TraceCheckUtils]: 49: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-18 04:54:44,582 INFO L280 TraceCheckUtils]: 50: Hoare triple {8186#true} assume !(1 == ~n); {8186#true} is VALID [2020-07-18 04:54:44,583 INFO L263 TraceCheckUtils]: 51: Hoare triple {8186#true} call #t~ret2 := fibo1(~n - 1); {8186#true} is VALID [2020-07-18 04:54:44,583 INFO L280 TraceCheckUtils]: 52: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-18 04:54:44,583 INFO L280 TraceCheckUtils]: 53: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-18 04:54:44,583 INFO L280 TraceCheckUtils]: 54: Hoare triple {8186#true} assume 1 == ~n; {8186#true} is VALID [2020-07-18 04:54:44,583 INFO L280 TraceCheckUtils]: 55: Hoare triple {8186#true} #res := 1; {8186#true} is VALID [2020-07-18 04:54:44,584 INFO L280 TraceCheckUtils]: 56: Hoare triple {8186#true} assume true; {8186#true} is VALID [2020-07-18 04:54:44,584 INFO L275 TraceCheckUtils]: 57: Hoare quadruple {8186#true} {8186#true} #65#return; {8186#true} is VALID [2020-07-18 04:54:44,584 INFO L280 TraceCheckUtils]: 58: Hoare triple {8186#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8186#true} is VALID [2020-07-18 04:54:44,584 INFO L263 TraceCheckUtils]: 59: Hoare triple {8186#true} call #t~ret3 := fibo1(~n - 2); {8186#true} is VALID [2020-07-18 04:54:44,584 INFO L280 TraceCheckUtils]: 60: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-18 04:54:44,584 INFO L280 TraceCheckUtils]: 61: Hoare triple {8186#true} assume ~n < 1; {8186#true} is VALID [2020-07-18 04:54:44,585 INFO L280 TraceCheckUtils]: 62: Hoare triple {8186#true} #res := 0; {8186#true} is VALID [2020-07-18 04:54:44,585 INFO L280 TraceCheckUtils]: 63: Hoare triple {8186#true} assume true; {8186#true} is VALID [2020-07-18 04:54:44,585 INFO L275 TraceCheckUtils]: 64: Hoare quadruple {8186#true} {8186#true} #67#return; {8186#true} is VALID [2020-07-18 04:54:44,585 INFO L280 TraceCheckUtils]: 65: Hoare triple {8186#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {8186#true} is VALID [2020-07-18 04:54:44,585 INFO L280 TraceCheckUtils]: 66: Hoare triple {8186#true} #res := #t~ret2 + #t~ret3; {8186#true} is VALID [2020-07-18 04:54:44,585 INFO L280 TraceCheckUtils]: 67: Hoare triple {8186#true} havoc #t~ret3; {8186#true} is VALID [2020-07-18 04:54:44,586 INFO L280 TraceCheckUtils]: 68: Hoare triple {8186#true} havoc #t~ret2; {8186#true} is VALID [2020-07-18 04:54:44,586 INFO L280 TraceCheckUtils]: 69: Hoare triple {8186#true} assume true; {8186#true} is VALID [2020-07-18 04:54:44,586 INFO L275 TraceCheckUtils]: 70: Hoare quadruple {8186#true} {8187#false} #71#return; {8187#false} is VALID [2020-07-18 04:54:44,586 INFO L280 TraceCheckUtils]: 71: Hoare triple {8187#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {8187#false} is VALID [2020-07-18 04:54:44,586 INFO L280 TraceCheckUtils]: 72: Hoare triple {8187#false} #res := #t~ret0 + #t~ret1; {8187#false} is VALID [2020-07-18 04:54:44,587 INFO L280 TraceCheckUtils]: 73: Hoare triple {8187#false} havoc #t~ret1; {8187#false} is VALID [2020-07-18 04:54:44,587 INFO L280 TraceCheckUtils]: 74: Hoare triple {8187#false} havoc #t~ret0; {8187#false} is VALID [2020-07-18 04:54:44,587 INFO L280 TraceCheckUtils]: 75: Hoare triple {8187#false} assume true; {8187#false} is VALID [2020-07-18 04:54:44,587 INFO L275 TraceCheckUtils]: 76: Hoare quadruple {8187#false} {8190#(<= main_~x~0 4)} #63#return; {8187#false} is VALID [2020-07-18 04:54:44,590 INFO L263 TraceCheckUtils]: 0: Hoare triple {8186#true} call ULTIMATE.init(); {8186#true} is VALID [2020-07-18 04:54:44,590 INFO L280 TraceCheckUtils]: 1: Hoare triple {8186#true} assume true; {8186#true} is VALID [2020-07-18 04:54:44,591 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {8186#true} {8186#true} #59#return; {8186#true} is VALID [2020-07-18 04:54:44,591 INFO L263 TraceCheckUtils]: 3: Hoare triple {8186#true} call #t~ret5 := main(); {8186#true} is VALID [2020-07-18 04:54:44,592 INFO L280 TraceCheckUtils]: 4: Hoare triple {8186#true} ~x~0 := 4; {8190#(<= main_~x~0 4)} is VALID [2020-07-18 04:54:44,592 INFO L263 TraceCheckUtils]: 5: Hoare triple {8190#(<= main_~x~0 4)} call #t~ret4 := fibo1(~x~0); {8186#true} is VALID [2020-07-18 04:54:44,592 INFO L280 TraceCheckUtils]: 6: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-18 04:54:44,592 INFO L280 TraceCheckUtils]: 7: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-18 04:54:44,592 INFO L280 TraceCheckUtils]: 8: Hoare triple {8186#true} assume !(1 == ~n); {8186#true} is VALID [2020-07-18 04:54:44,593 INFO L263 TraceCheckUtils]: 9: Hoare triple {8186#true} call #t~ret0 := fibo2(~n - 1); {8186#true} is VALID [2020-07-18 04:54:44,593 INFO L280 TraceCheckUtils]: 10: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-18 04:54:44,593 INFO L280 TraceCheckUtils]: 11: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-18 04:54:44,593 INFO L280 TraceCheckUtils]: 12: Hoare triple {8186#true} assume !(1 == ~n); {8186#true} is VALID [2020-07-18 04:54:44,593 INFO L263 TraceCheckUtils]: 13: Hoare triple {8186#true} call #t~ret2 := fibo1(~n - 1); {8186#true} is VALID [2020-07-18 04:54:44,593 INFO L280 TraceCheckUtils]: 14: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-18 04:54:44,593 INFO L280 TraceCheckUtils]: 15: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-18 04:54:44,594 INFO L280 TraceCheckUtils]: 16: Hoare triple {8186#true} assume !(1 == ~n); {8186#true} is VALID [2020-07-18 04:54:44,594 INFO L263 TraceCheckUtils]: 17: Hoare triple {8186#true} call #t~ret0 := fibo2(~n - 1); {8186#true} is VALID [2020-07-18 04:54:44,594 INFO L280 TraceCheckUtils]: 18: Hoare triple {8186#true} ~n := #in~n; {8376#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:44,595 INFO L280 TraceCheckUtils]: 19: Hoare triple {8376#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8376#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:44,595 INFO L280 TraceCheckUtils]: 20: Hoare triple {8376#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n; {8377#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:44,596 INFO L280 TraceCheckUtils]: 21: Hoare triple {8377#(<= |fibo2_#in~n| 1)} #res := 1; {8377#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:44,597 INFO L280 TraceCheckUtils]: 22: Hoare triple {8377#(<= |fibo2_#in~n| 1)} assume true; {8377#(<= |fibo2_#in~n| 1)} is VALID [2020-07-18 04:54:44,598 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {8377#(<= |fibo2_#in~n| 1)} {8186#true} #69#return; {8369#(<= fibo1_~n 2)} is VALID [2020-07-18 04:54:44,598 INFO L280 TraceCheckUtils]: 24: Hoare triple {8369#(<= fibo1_~n 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8369#(<= fibo1_~n 2)} is VALID [2020-07-18 04:54:44,598 INFO L263 TraceCheckUtils]: 25: Hoare triple {8369#(<= fibo1_~n 2)} call #t~ret1 := fibo2(~n - 2); {8186#true} is VALID [2020-07-18 04:54:44,599 INFO L280 TraceCheckUtils]: 26: Hoare triple {8186#true} ~n := #in~n; {8376#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:44,600 INFO L280 TraceCheckUtils]: 27: Hoare triple {8376#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:44,600 INFO L280 TraceCheckUtils]: 28: Hoare triple {8378#(<= 1 |fibo2_#in~n|)} assume 1 == ~n; {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:44,601 INFO L280 TraceCheckUtils]: 29: Hoare triple {8378#(<= 1 |fibo2_#in~n|)} #res := 1; {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:44,601 INFO L280 TraceCheckUtils]: 30: Hoare triple {8378#(<= 1 |fibo2_#in~n|)} assume true; {8378#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:44,602 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {8378#(<= 1 |fibo2_#in~n|)} {8369#(<= fibo1_~n 2)} #71#return; {8187#false} is VALID [2020-07-18 04:54:44,602 INFO L280 TraceCheckUtils]: 32: Hoare triple {8187#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {8187#false} is VALID [2020-07-18 04:54:44,603 INFO L280 TraceCheckUtils]: 33: Hoare triple {8187#false} #res := #t~ret0 + #t~ret1; {8187#false} is VALID [2020-07-18 04:54:44,603 INFO L280 TraceCheckUtils]: 34: Hoare triple {8187#false} havoc #t~ret1; {8187#false} is VALID [2020-07-18 04:54:44,603 INFO L280 TraceCheckUtils]: 35: Hoare triple {8187#false} havoc #t~ret0; {8187#false} is VALID [2020-07-18 04:54:44,603 INFO L280 TraceCheckUtils]: 36: Hoare triple {8187#false} assume true; {8187#false} is VALID [2020-07-18 04:54:44,603 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {8187#false} {8186#true} #65#return; {8187#false} is VALID [2020-07-18 04:54:44,604 INFO L280 TraceCheckUtils]: 38: Hoare triple {8187#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8187#false} is VALID [2020-07-18 04:54:44,604 INFO L263 TraceCheckUtils]: 39: Hoare triple {8187#false} call #t~ret3 := fibo1(~n - 2); {8186#true} is VALID [2020-07-18 04:54:44,604 INFO L280 TraceCheckUtils]: 40: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-18 04:54:44,604 INFO L280 TraceCheckUtils]: 41: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-18 04:54:44,604 INFO L280 TraceCheckUtils]: 42: Hoare triple {8186#true} assume 1 == ~n; {8186#true} is VALID [2020-07-18 04:54:44,605 INFO L280 TraceCheckUtils]: 43: Hoare triple {8186#true} #res := 1; {8186#true} is VALID [2020-07-18 04:54:44,605 INFO L280 TraceCheckUtils]: 44: Hoare triple {8186#true} assume true; {8186#true} is VALID [2020-07-18 04:54:44,605 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {8186#true} {8187#false} #67#return; {8187#false} is VALID [2020-07-18 04:54:44,605 INFO L280 TraceCheckUtils]: 46: Hoare triple {8187#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {8187#false} is VALID [2020-07-18 04:54:44,605 INFO L280 TraceCheckUtils]: 47: Hoare triple {8187#false} #res := #t~ret2 + #t~ret3; {8187#false} is VALID [2020-07-18 04:54:44,605 INFO L280 TraceCheckUtils]: 48: Hoare triple {8187#false} havoc #t~ret3; {8187#false} is VALID [2020-07-18 04:54:44,606 INFO L280 TraceCheckUtils]: 49: Hoare triple {8187#false} havoc #t~ret2; {8187#false} is VALID [2020-07-18 04:54:44,606 INFO L280 TraceCheckUtils]: 50: Hoare triple {8187#false} assume true; {8187#false} is VALID [2020-07-18 04:54:44,606 INFO L275 TraceCheckUtils]: 51: Hoare quadruple {8187#false} {8186#true} #69#return; {8187#false} is VALID [2020-07-18 04:54:44,606 INFO L280 TraceCheckUtils]: 52: Hoare triple {8187#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8187#false} is VALID [2020-07-18 04:54:44,606 INFO L263 TraceCheckUtils]: 53: Hoare triple {8187#false} call #t~ret1 := fibo2(~n - 2); {8186#true} is VALID [2020-07-18 04:54:44,606 INFO L280 TraceCheckUtils]: 54: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-18 04:54:44,607 INFO L280 TraceCheckUtils]: 55: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-18 04:54:44,607 INFO L280 TraceCheckUtils]: 56: Hoare triple {8186#true} assume !(1 == ~n); {8186#true} is VALID [2020-07-18 04:54:44,607 INFO L263 TraceCheckUtils]: 57: Hoare triple {8186#true} call #t~ret2 := fibo1(~n - 1); {8186#true} is VALID [2020-07-18 04:54:44,607 INFO L280 TraceCheckUtils]: 58: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-18 04:54:44,607 INFO L280 TraceCheckUtils]: 59: Hoare triple {8186#true} assume !(~n < 1); {8186#true} is VALID [2020-07-18 04:54:44,608 INFO L280 TraceCheckUtils]: 60: Hoare triple {8186#true} assume 1 == ~n; {8186#true} is VALID [2020-07-18 04:54:44,608 INFO L280 TraceCheckUtils]: 61: Hoare triple {8186#true} #res := 1; {8186#true} is VALID [2020-07-18 04:54:44,608 INFO L280 TraceCheckUtils]: 62: Hoare triple {8186#true} assume true; {8186#true} is VALID [2020-07-18 04:54:44,608 INFO L275 TraceCheckUtils]: 63: Hoare quadruple {8186#true} {8186#true} #65#return; {8186#true} is VALID [2020-07-18 04:54:44,608 INFO L280 TraceCheckUtils]: 64: Hoare triple {8186#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8186#true} is VALID [2020-07-18 04:54:44,609 INFO L263 TraceCheckUtils]: 65: Hoare triple {8186#true} call #t~ret3 := fibo1(~n - 2); {8186#true} is VALID [2020-07-18 04:54:44,609 INFO L280 TraceCheckUtils]: 66: Hoare triple {8186#true} ~n := #in~n; {8186#true} is VALID [2020-07-18 04:54:44,609 INFO L280 TraceCheckUtils]: 67: Hoare triple {8186#true} assume ~n < 1; {8186#true} is VALID [2020-07-18 04:54:44,609 INFO L280 TraceCheckUtils]: 68: Hoare triple {8186#true} #res := 0; {8186#true} is VALID [2020-07-18 04:54:44,609 INFO L280 TraceCheckUtils]: 69: Hoare triple {8186#true} assume true; {8186#true} is VALID [2020-07-18 04:54:44,609 INFO L275 TraceCheckUtils]: 70: Hoare quadruple {8186#true} {8186#true} #67#return; {8186#true} is VALID [2020-07-18 04:54:44,609 INFO L280 TraceCheckUtils]: 71: Hoare triple {8186#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {8186#true} is VALID [2020-07-18 04:54:44,610 INFO L280 TraceCheckUtils]: 72: Hoare triple {8186#true} #res := #t~ret2 + #t~ret3; {8186#true} is VALID [2020-07-18 04:54:44,610 INFO L280 TraceCheckUtils]: 73: Hoare triple {8186#true} havoc #t~ret3; {8186#true} is VALID [2020-07-18 04:54:44,610 INFO L280 TraceCheckUtils]: 74: Hoare triple {8186#true} havoc #t~ret2; {8186#true} is VALID [2020-07-18 04:54:44,610 INFO L280 TraceCheckUtils]: 75: Hoare triple {8186#true} assume true; {8186#true} is VALID [2020-07-18 04:54:44,610 INFO L275 TraceCheckUtils]: 76: Hoare quadruple {8186#true} {8187#false} #71#return; {8187#false} is VALID [2020-07-18 04:54:44,610 INFO L280 TraceCheckUtils]: 77: Hoare triple {8187#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {8187#false} is VALID [2020-07-18 04:54:44,611 INFO L280 TraceCheckUtils]: 78: Hoare triple {8187#false} #res := #t~ret0 + #t~ret1; {8187#false} is VALID [2020-07-18 04:54:44,611 INFO L280 TraceCheckUtils]: 79: Hoare triple {8187#false} havoc #t~ret1; {8187#false} is VALID [2020-07-18 04:54:44,611 INFO L280 TraceCheckUtils]: 80: Hoare triple {8187#false} havoc #t~ret0; {8187#false} is VALID [2020-07-18 04:54:44,611 INFO L280 TraceCheckUtils]: 81: Hoare triple {8187#false} assume true; {8187#false} is VALID [2020-07-18 04:54:44,611 INFO L275 TraceCheckUtils]: 82: Hoare quadruple {8187#false} {8190#(<= main_~x~0 4)} #63#return; {8187#false} is VALID [2020-07-18 04:54:44,612 INFO L280 TraceCheckUtils]: 83: Hoare triple {8187#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {8187#false} is VALID [2020-07-18 04:54:44,612 INFO L280 TraceCheckUtils]: 84: Hoare triple {8187#false} ~result~0 := #t~ret4; {8187#false} is VALID [2020-07-18 04:54:44,612 INFO L280 TraceCheckUtils]: 85: Hoare triple {8187#false} havoc #t~ret4; {8187#false} is VALID [2020-07-18 04:54:44,612 INFO L280 TraceCheckUtils]: 86: Hoare triple {8187#false} assume 3 != ~result~0; {8187#false} is VALID [2020-07-18 04:54:44,612 INFO L280 TraceCheckUtils]: 87: Hoare triple {8187#false} assume !false; {8187#false} is VALID [2020-07-18 04:54:44,618 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 16 proven. 26 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-07-18 04:54:44,618 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1577645766] [2020-07-18 04:54:44,618 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-18 04:54:44,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-07-18 04:54:44,619 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69120577] [2020-07-18 04:54:44,620 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2020-07-18 04:54:44,620 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 04:54:44,620 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-18 04:54:44,692 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:54:44,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-18 04:54:44,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 04:54:44,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-18 04:54:44,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-18 04:54:44,694 INFO L87 Difference]: Start difference. First operand 111 states and 137 transitions. Second operand 7 states. [2020-07-18 04:54:45,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:54:45,305 INFO L93 Difference]: Finished difference Result 197 states and 253 transitions. [2020-07-18 04:54:45,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-18 04:54:45,305 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2020-07-18 04:54:45,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 04:54:45,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 04:54:45,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 109 transitions. [2020-07-18 04:54:45,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 04:54:45,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 109 transitions. [2020-07-18 04:54:45,309 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 109 transitions. [2020-07-18 04:54:45,421 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 109 edges. 109 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:54:45,423 INFO L225 Difference]: With dead ends: 197 [2020-07-18 04:54:45,424 INFO L226 Difference]: Without dead ends: 94 [2020-07-18 04:54:45,425 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-07-18 04:54:45,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-07-18 04:54:45,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2020-07-18 04:54:45,734 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 04:54:45,734 INFO L82 GeneralOperation]: Start isEquivalent. First operand 94 states. Second operand 94 states. [2020-07-18 04:54:45,734 INFO L74 IsIncluded]: Start isIncluded. First operand 94 states. Second operand 94 states. [2020-07-18 04:54:45,734 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 94 states. [2020-07-18 04:54:45,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:54:45,738 INFO L93 Difference]: Finished difference Result 94 states and 114 transitions. [2020-07-18 04:54:45,738 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 114 transitions. [2020-07-18 04:54:45,739 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:54:45,739 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:54:45,739 INFO L74 IsIncluded]: Start isIncluded. First operand 94 states. Second operand 94 states. [2020-07-18 04:54:45,740 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 94 states. [2020-07-18 04:54:45,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:54:45,743 INFO L93 Difference]: Finished difference Result 94 states and 114 transitions. [2020-07-18 04:54:45,743 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 114 transitions. [2020-07-18 04:54:45,743 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:54:45,744 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:54:45,744 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 04:54:45,744 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 04:54:45,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-07-18 04:54:45,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 114 transitions. [2020-07-18 04:54:45,749 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 114 transitions. Word has length 88 [2020-07-18 04:54:45,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 04:54:45,750 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 114 transitions. [2020-07-18 04:54:45,750 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-18 04:54:45,751 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 94 states and 114 transitions. [2020-07-18 04:54:45,946 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 114 edges. 114 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:54:45,946 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 114 transitions. [2020-07-18 04:54:45,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-07-18 04:54:45,948 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:54:45,948 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 04:54:45,949 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-18 04:54:45,949 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:54:45,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:54:45,949 INFO L82 PathProgramCache]: Analyzing trace with hash 787407960, now seen corresponding path program 3 times [2020-07-18 04:54:45,950 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:54:45,950 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1836443239] [2020-07-18 04:54:45,950 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:54:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:45,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:45,994 INFO L280 TraceCheckUtils]: 0: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:45,994 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {9170#true} {9170#true} #59#return; {9170#true} is VALID [2020-07-18 04:54:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:46,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:46,175 INFO L280 TraceCheckUtils]: 0: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,175 INFO L280 TraceCheckUtils]: 1: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,175 INFO L280 TraceCheckUtils]: 2: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-18 04:54:46,175 INFO L280 TraceCheckUtils]: 3: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-18 04:54:46,176 INFO L280 TraceCheckUtils]: 4: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,176 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {9170#true} {9505#(<= 2 |fibo2_#in~n|)} #65#return; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:46,180 INFO L280 TraceCheckUtils]: 0: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,180 INFO L280 TraceCheckUtils]: 1: Hoare triple {9170#true} assume ~n < 1; {9170#true} is VALID [2020-07-18 04:54:46,181 INFO L280 TraceCheckUtils]: 2: Hoare triple {9170#true} #res := 0; {9170#true} is VALID [2020-07-18 04:54:46,181 INFO L280 TraceCheckUtils]: 3: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,182 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {9170#true} {9505#(<= 2 |fibo2_#in~n|)} #67#return; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,182 INFO L280 TraceCheckUtils]: 0: Hoare triple {9170#true} ~n := #in~n; {9503#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,183 INFO L280 TraceCheckUtils]: 1: Hoare triple {9503#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {9504#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-18 04:54:46,184 INFO L280 TraceCheckUtils]: 2: Hoare triple {9504#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,184 INFO L263 TraceCheckUtils]: 3: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {9170#true} is VALID [2020-07-18 04:54:46,184 INFO L280 TraceCheckUtils]: 4: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,185 INFO L280 TraceCheckUtils]: 5: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,185 INFO L280 TraceCheckUtils]: 6: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-18 04:54:46,185 INFO L280 TraceCheckUtils]: 7: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-18 04:54:46,185 INFO L280 TraceCheckUtils]: 8: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,187 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {9170#true} {9505#(<= 2 |fibo2_#in~n|)} #65#return; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,187 INFO L280 TraceCheckUtils]: 10: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,187 INFO L263 TraceCheckUtils]: 11: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {9170#true} is VALID [2020-07-18 04:54:46,188 INFO L280 TraceCheckUtils]: 12: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,188 INFO L280 TraceCheckUtils]: 13: Hoare triple {9170#true} assume ~n < 1; {9170#true} is VALID [2020-07-18 04:54:46,188 INFO L280 TraceCheckUtils]: 14: Hoare triple {9170#true} #res := 0; {9170#true} is VALID [2020-07-18 04:54:46,188 INFO L280 TraceCheckUtils]: 15: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,189 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {9170#true} {9505#(<= 2 |fibo2_#in~n|)} #67#return; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,190 INFO L280 TraceCheckUtils]: 17: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,190 INFO L280 TraceCheckUtils]: 18: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,191 INFO L280 TraceCheckUtils]: 19: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,191 INFO L280 TraceCheckUtils]: 20: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,192 INFO L280 TraceCheckUtils]: 21: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} assume true; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,193 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {9505#(<= 2 |fibo2_#in~n|)} {9305#(= fibo1_~n |fibo1_#in~n|)} #69#return; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:46,217 INFO L280 TraceCheckUtils]: 0: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,217 INFO L280 TraceCheckUtils]: 1: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,217 INFO L280 TraceCheckUtils]: 2: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-18 04:54:46,218 INFO L280 TraceCheckUtils]: 3: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-18 04:54:46,218 INFO L280 TraceCheckUtils]: 4: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,219 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {9170#true} {9496#(<= 3 |fibo1_#in~n|)} #71#return; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,219 INFO L280 TraceCheckUtils]: 0: Hoare triple {9170#true} ~n := #in~n; {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,220 INFO L280 TraceCheckUtils]: 1: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,220 INFO L280 TraceCheckUtils]: 2: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,220 INFO L263 TraceCheckUtils]: 3: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {9170#true} is VALID [2020-07-18 04:54:46,221 INFO L280 TraceCheckUtils]: 4: Hoare triple {9170#true} ~n := #in~n; {9503#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,222 INFO L280 TraceCheckUtils]: 5: Hoare triple {9503#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {9504#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-18 04:54:46,222 INFO L280 TraceCheckUtils]: 6: Hoare triple {9504#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,223 INFO L263 TraceCheckUtils]: 7: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {9170#true} is VALID [2020-07-18 04:54:46,223 INFO L280 TraceCheckUtils]: 8: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,223 INFO L280 TraceCheckUtils]: 9: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,223 INFO L280 TraceCheckUtils]: 10: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-18 04:54:46,224 INFO L280 TraceCheckUtils]: 11: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-18 04:54:46,224 INFO L280 TraceCheckUtils]: 12: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,225 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {9170#true} {9505#(<= 2 |fibo2_#in~n|)} #65#return; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,225 INFO L280 TraceCheckUtils]: 14: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,225 INFO L263 TraceCheckUtils]: 15: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {9170#true} is VALID [2020-07-18 04:54:46,226 INFO L280 TraceCheckUtils]: 16: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,226 INFO L280 TraceCheckUtils]: 17: Hoare triple {9170#true} assume ~n < 1; {9170#true} is VALID [2020-07-18 04:54:46,226 INFO L280 TraceCheckUtils]: 18: Hoare triple {9170#true} #res := 0; {9170#true} is VALID [2020-07-18 04:54:46,226 INFO L280 TraceCheckUtils]: 19: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,227 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {9170#true} {9505#(<= 2 |fibo2_#in~n|)} #67#return; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,228 INFO L280 TraceCheckUtils]: 21: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,229 INFO L280 TraceCheckUtils]: 22: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,229 INFO L280 TraceCheckUtils]: 23: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,230 INFO L280 TraceCheckUtils]: 24: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,231 INFO L280 TraceCheckUtils]: 25: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} assume true; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,233 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {9505#(<= 2 |fibo2_#in~n|)} {9305#(= fibo1_~n |fibo1_#in~n|)} #69#return; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,233 INFO L280 TraceCheckUtils]: 27: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,233 INFO L263 TraceCheckUtils]: 28: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {9170#true} is VALID [2020-07-18 04:54:46,234 INFO L280 TraceCheckUtils]: 29: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,234 INFO L280 TraceCheckUtils]: 30: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,234 INFO L280 TraceCheckUtils]: 31: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-18 04:54:46,234 INFO L280 TraceCheckUtils]: 32: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-18 04:54:46,234 INFO L280 TraceCheckUtils]: 33: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,235 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {9170#true} {9496#(<= 3 |fibo1_#in~n|)} #71#return; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,236 INFO L280 TraceCheckUtils]: 35: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,236 INFO L280 TraceCheckUtils]: 36: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,237 INFO L280 TraceCheckUtils]: 37: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} havoc #t~ret1; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,237 INFO L280 TraceCheckUtils]: 38: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} havoc #t~ret0; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,238 INFO L280 TraceCheckUtils]: 39: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} assume true; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,239 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {9496#(<= 3 |fibo1_#in~n|)} {9170#true} #65#return; {9466#(<= 4 fibo2_~n)} is VALID [2020-07-18 04:54:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:46,260 INFO L280 TraceCheckUtils]: 0: Hoare triple {9170#true} ~n := #in~n; {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,260 INFO L280 TraceCheckUtils]: 1: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,261 INFO L280 TraceCheckUtils]: 2: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {9517#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:54:46,261 INFO L280 TraceCheckUtils]: 3: Hoare triple {9517#(<= |fibo1_#in~n| 1)} #res := 1; {9517#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:54:46,262 INFO L280 TraceCheckUtils]: 4: Hoare triple {9517#(<= |fibo1_#in~n| 1)} assume true; {9517#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:54:46,263 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {9517#(<= |fibo1_#in~n| 1)} {9466#(<= 4 fibo2_~n)} #67#return; {9171#false} is VALID [2020-07-18 04:54:46,263 INFO L280 TraceCheckUtils]: 0: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,263 INFO L280 TraceCheckUtils]: 1: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,264 INFO L280 TraceCheckUtils]: 2: Hoare triple {9170#true} assume !(1 == ~n); {9170#true} is VALID [2020-07-18 04:54:46,264 INFO L263 TraceCheckUtils]: 3: Hoare triple {9170#true} call #t~ret2 := fibo1(~n - 1); {9170#true} is VALID [2020-07-18 04:54:46,264 INFO L280 TraceCheckUtils]: 4: Hoare triple {9170#true} ~n := #in~n; {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,265 INFO L280 TraceCheckUtils]: 5: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,265 INFO L280 TraceCheckUtils]: 6: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,266 INFO L263 TraceCheckUtils]: 7: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {9170#true} is VALID [2020-07-18 04:54:46,266 INFO L280 TraceCheckUtils]: 8: Hoare triple {9170#true} ~n := #in~n; {9503#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,267 INFO L280 TraceCheckUtils]: 9: Hoare triple {9503#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {9504#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-18 04:54:46,267 INFO L280 TraceCheckUtils]: 10: Hoare triple {9504#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,268 INFO L263 TraceCheckUtils]: 11: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {9170#true} is VALID [2020-07-18 04:54:46,268 INFO L280 TraceCheckUtils]: 12: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,268 INFO L280 TraceCheckUtils]: 13: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,268 INFO L280 TraceCheckUtils]: 14: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-18 04:54:46,269 INFO L280 TraceCheckUtils]: 15: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-18 04:54:46,269 INFO L280 TraceCheckUtils]: 16: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,270 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {9170#true} {9505#(<= 2 |fibo2_#in~n|)} #65#return; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,270 INFO L280 TraceCheckUtils]: 18: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,270 INFO L263 TraceCheckUtils]: 19: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {9170#true} is VALID [2020-07-18 04:54:46,270 INFO L280 TraceCheckUtils]: 20: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,271 INFO L280 TraceCheckUtils]: 21: Hoare triple {9170#true} assume ~n < 1; {9170#true} is VALID [2020-07-18 04:54:46,271 INFO L280 TraceCheckUtils]: 22: Hoare triple {9170#true} #res := 0; {9170#true} is VALID [2020-07-18 04:54:46,271 INFO L280 TraceCheckUtils]: 23: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,272 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {9170#true} {9505#(<= 2 |fibo2_#in~n|)} #67#return; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,272 INFO L280 TraceCheckUtils]: 25: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,273 INFO L280 TraceCheckUtils]: 26: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,273 INFO L280 TraceCheckUtils]: 27: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,274 INFO L280 TraceCheckUtils]: 28: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,274 INFO L280 TraceCheckUtils]: 29: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} assume true; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,276 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {9505#(<= 2 |fibo2_#in~n|)} {9305#(= fibo1_~n |fibo1_#in~n|)} #69#return; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,277 INFO L280 TraceCheckUtils]: 31: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,277 INFO L263 TraceCheckUtils]: 32: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {9170#true} is VALID [2020-07-18 04:54:46,277 INFO L280 TraceCheckUtils]: 33: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,277 INFO L280 TraceCheckUtils]: 34: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,277 INFO L280 TraceCheckUtils]: 35: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-18 04:54:46,278 INFO L280 TraceCheckUtils]: 36: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-18 04:54:46,278 INFO L280 TraceCheckUtils]: 37: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,279 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {9170#true} {9496#(<= 3 |fibo1_#in~n|)} #71#return; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,279 INFO L280 TraceCheckUtils]: 39: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,280 INFO L280 TraceCheckUtils]: 40: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,280 INFO L280 TraceCheckUtils]: 41: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} havoc #t~ret1; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,281 INFO L280 TraceCheckUtils]: 42: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} havoc #t~ret0; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,281 INFO L280 TraceCheckUtils]: 43: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} assume true; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,282 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {9496#(<= 3 |fibo1_#in~n|)} {9170#true} #65#return; {9466#(<= 4 fibo2_~n)} is VALID [2020-07-18 04:54:46,283 INFO L280 TraceCheckUtils]: 45: Hoare triple {9466#(<= 4 fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9466#(<= 4 fibo2_~n)} is VALID [2020-07-18 04:54:46,283 INFO L263 TraceCheckUtils]: 46: Hoare triple {9466#(<= 4 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {9170#true} is VALID [2020-07-18 04:54:46,284 INFO L280 TraceCheckUtils]: 47: Hoare triple {9170#true} ~n := #in~n; {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,284 INFO L280 TraceCheckUtils]: 48: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,285 INFO L280 TraceCheckUtils]: 49: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {9517#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:54:46,286 INFO L280 TraceCheckUtils]: 50: Hoare triple {9517#(<= |fibo1_#in~n| 1)} #res := 1; {9517#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:54:46,286 INFO L280 TraceCheckUtils]: 51: Hoare triple {9517#(<= |fibo1_#in~n| 1)} assume true; {9517#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:54:46,287 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {9517#(<= |fibo1_#in~n| 1)} {9466#(<= 4 fibo2_~n)} #67#return; {9171#false} is VALID [2020-07-18 04:54:46,288 INFO L280 TraceCheckUtils]: 53: Hoare triple {9171#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {9171#false} is VALID [2020-07-18 04:54:46,288 INFO L280 TraceCheckUtils]: 54: Hoare triple {9171#false} #res := #t~ret2 + #t~ret3; {9171#false} is VALID [2020-07-18 04:54:46,288 INFO L280 TraceCheckUtils]: 55: Hoare triple {9171#false} havoc #t~ret3; {9171#false} is VALID [2020-07-18 04:54:46,288 INFO L280 TraceCheckUtils]: 56: Hoare triple {9171#false} havoc #t~ret2; {9171#false} is VALID [2020-07-18 04:54:46,288 INFO L280 TraceCheckUtils]: 57: Hoare triple {9171#false} assume true; {9171#false} is VALID [2020-07-18 04:54:46,289 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {9171#false} {9305#(= fibo1_~n |fibo1_#in~n|)} #69#return; {9365#(<= 5 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:46,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:46,322 INFO L280 TraceCheckUtils]: 0: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,323 INFO L280 TraceCheckUtils]: 1: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,323 INFO L280 TraceCheckUtils]: 2: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-18 04:54:46,323 INFO L280 TraceCheckUtils]: 3: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-18 04:54:46,324 INFO L280 TraceCheckUtils]: 4: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,324 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {9170#true} {9170#true} #65#return; {9170#true} is VALID [2020-07-18 04:54:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:46,327 INFO L280 TraceCheckUtils]: 0: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,327 INFO L280 TraceCheckUtils]: 1: Hoare triple {9170#true} assume ~n < 1; {9170#true} is VALID [2020-07-18 04:54:46,327 INFO L280 TraceCheckUtils]: 2: Hoare triple {9170#true} #res := 0; {9170#true} is VALID [2020-07-18 04:54:46,327 INFO L280 TraceCheckUtils]: 3: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,328 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {9170#true} {9170#true} #67#return; {9170#true} is VALID [2020-07-18 04:54:46,328 INFO L280 TraceCheckUtils]: 0: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,328 INFO L280 TraceCheckUtils]: 1: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,328 INFO L280 TraceCheckUtils]: 2: Hoare triple {9170#true} assume !(1 == ~n); {9170#true} is VALID [2020-07-18 04:54:46,329 INFO L263 TraceCheckUtils]: 3: Hoare triple {9170#true} call #t~ret2 := fibo1(~n - 1); {9170#true} is VALID [2020-07-18 04:54:46,329 INFO L280 TraceCheckUtils]: 4: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,329 INFO L280 TraceCheckUtils]: 5: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,329 INFO L280 TraceCheckUtils]: 6: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-18 04:54:46,329 INFO L280 TraceCheckUtils]: 7: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-18 04:54:46,330 INFO L280 TraceCheckUtils]: 8: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,330 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {9170#true} {9170#true} #65#return; {9170#true} is VALID [2020-07-18 04:54:46,330 INFO L280 TraceCheckUtils]: 10: Hoare triple {9170#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9170#true} is VALID [2020-07-18 04:54:46,330 INFO L263 TraceCheckUtils]: 11: Hoare triple {9170#true} call #t~ret3 := fibo1(~n - 2); {9170#true} is VALID [2020-07-18 04:54:46,330 INFO L280 TraceCheckUtils]: 12: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,331 INFO L280 TraceCheckUtils]: 13: Hoare triple {9170#true} assume ~n < 1; {9170#true} is VALID [2020-07-18 04:54:46,331 INFO L280 TraceCheckUtils]: 14: Hoare triple {9170#true} #res := 0; {9170#true} is VALID [2020-07-18 04:54:46,331 INFO L280 TraceCheckUtils]: 15: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,331 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {9170#true} {9170#true} #67#return; {9170#true} is VALID [2020-07-18 04:54:46,331 INFO L280 TraceCheckUtils]: 17: Hoare triple {9170#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {9170#true} is VALID [2020-07-18 04:54:46,332 INFO L280 TraceCheckUtils]: 18: Hoare triple {9170#true} #res := #t~ret2 + #t~ret3; {9170#true} is VALID [2020-07-18 04:54:46,332 INFO L280 TraceCheckUtils]: 19: Hoare triple {9170#true} havoc #t~ret3; {9170#true} is VALID [2020-07-18 04:54:46,332 INFO L280 TraceCheckUtils]: 20: Hoare triple {9170#true} havoc #t~ret2; {9170#true} is VALID [2020-07-18 04:54:46,332 INFO L280 TraceCheckUtils]: 21: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,332 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {9170#true} {9170#true} #69#return; {9170#true} is VALID [2020-07-18 04:54:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:46,336 INFO L280 TraceCheckUtils]: 0: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,336 INFO L280 TraceCheckUtils]: 1: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,337 INFO L280 TraceCheckUtils]: 2: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-18 04:54:46,337 INFO L280 TraceCheckUtils]: 3: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-18 04:54:46,337 INFO L280 TraceCheckUtils]: 4: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,337 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {9170#true} {9170#true} #71#return; {9170#true} is VALID [2020-07-18 04:54:46,338 INFO L280 TraceCheckUtils]: 0: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,338 INFO L280 TraceCheckUtils]: 1: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,338 INFO L280 TraceCheckUtils]: 2: Hoare triple {9170#true} assume !(1 == ~n); {9170#true} is VALID [2020-07-18 04:54:46,338 INFO L263 TraceCheckUtils]: 3: Hoare triple {9170#true} call #t~ret0 := fibo2(~n - 1); {9170#true} is VALID [2020-07-18 04:54:46,338 INFO L280 TraceCheckUtils]: 4: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,339 INFO L280 TraceCheckUtils]: 5: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,339 INFO L280 TraceCheckUtils]: 6: Hoare triple {9170#true} assume !(1 == ~n); {9170#true} is VALID [2020-07-18 04:54:46,339 INFO L263 TraceCheckUtils]: 7: Hoare triple {9170#true} call #t~ret2 := fibo1(~n - 1); {9170#true} is VALID [2020-07-18 04:54:46,339 INFO L280 TraceCheckUtils]: 8: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,339 INFO L280 TraceCheckUtils]: 9: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,339 INFO L280 TraceCheckUtils]: 10: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-18 04:54:46,340 INFO L280 TraceCheckUtils]: 11: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-18 04:54:46,340 INFO L280 TraceCheckUtils]: 12: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,340 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {9170#true} {9170#true} #65#return; {9170#true} is VALID [2020-07-18 04:54:46,340 INFO L280 TraceCheckUtils]: 14: Hoare triple {9170#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9170#true} is VALID [2020-07-18 04:54:46,340 INFO L263 TraceCheckUtils]: 15: Hoare triple {9170#true} call #t~ret3 := fibo1(~n - 2); {9170#true} is VALID [2020-07-18 04:54:46,341 INFO L280 TraceCheckUtils]: 16: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,341 INFO L280 TraceCheckUtils]: 17: Hoare triple {9170#true} assume ~n < 1; {9170#true} is VALID [2020-07-18 04:54:46,341 INFO L280 TraceCheckUtils]: 18: Hoare triple {9170#true} #res := 0; {9170#true} is VALID [2020-07-18 04:54:46,341 INFO L280 TraceCheckUtils]: 19: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,341 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {9170#true} {9170#true} #67#return; {9170#true} is VALID [2020-07-18 04:54:46,341 INFO L280 TraceCheckUtils]: 21: Hoare triple {9170#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {9170#true} is VALID [2020-07-18 04:54:46,342 INFO L280 TraceCheckUtils]: 22: Hoare triple {9170#true} #res := #t~ret2 + #t~ret3; {9170#true} is VALID [2020-07-18 04:54:46,342 INFO L280 TraceCheckUtils]: 23: Hoare triple {9170#true} havoc #t~ret3; {9170#true} is VALID [2020-07-18 04:54:46,342 INFO L280 TraceCheckUtils]: 24: Hoare triple {9170#true} havoc #t~ret2; {9170#true} is VALID [2020-07-18 04:54:46,342 INFO L280 TraceCheckUtils]: 25: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,342 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {9170#true} {9170#true} #69#return; {9170#true} is VALID [2020-07-18 04:54:46,343 INFO L280 TraceCheckUtils]: 27: Hoare triple {9170#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {9170#true} is VALID [2020-07-18 04:54:46,343 INFO L263 TraceCheckUtils]: 28: Hoare triple {9170#true} call #t~ret1 := fibo2(~n - 2); {9170#true} is VALID [2020-07-18 04:54:46,343 INFO L280 TraceCheckUtils]: 29: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,343 INFO L280 TraceCheckUtils]: 30: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,343 INFO L280 TraceCheckUtils]: 31: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-18 04:54:46,344 INFO L280 TraceCheckUtils]: 32: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-18 04:54:46,344 INFO L280 TraceCheckUtils]: 33: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,344 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {9170#true} {9170#true} #71#return; {9170#true} is VALID [2020-07-18 04:54:46,344 INFO L280 TraceCheckUtils]: 35: Hoare triple {9170#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {9170#true} is VALID [2020-07-18 04:54:46,344 INFO L280 TraceCheckUtils]: 36: Hoare triple {9170#true} #res := #t~ret0 + #t~ret1; {9170#true} is VALID [2020-07-18 04:54:46,344 INFO L280 TraceCheckUtils]: 37: Hoare triple {9170#true} havoc #t~ret1; {9170#true} is VALID [2020-07-18 04:54:46,345 INFO L280 TraceCheckUtils]: 38: Hoare triple {9170#true} havoc #t~ret0; {9170#true} is VALID [2020-07-18 04:54:46,345 INFO L280 TraceCheckUtils]: 39: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,345 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {9170#true} {9170#true} #65#return; {9170#true} is VALID [2020-07-18 04:54:46,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:54:46,353 INFO L280 TraceCheckUtils]: 0: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,353 INFO L280 TraceCheckUtils]: 1: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,353 INFO L280 TraceCheckUtils]: 2: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-18 04:54:46,354 INFO L280 TraceCheckUtils]: 3: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-18 04:54:46,354 INFO L280 TraceCheckUtils]: 4: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,354 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {9170#true} {9170#true} #67#return; {9170#true} is VALID [2020-07-18 04:54:46,354 INFO L280 TraceCheckUtils]: 0: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,354 INFO L280 TraceCheckUtils]: 1: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,355 INFO L280 TraceCheckUtils]: 2: Hoare triple {9170#true} assume !(1 == ~n); {9170#true} is VALID [2020-07-18 04:54:46,355 INFO L263 TraceCheckUtils]: 3: Hoare triple {9170#true} call #t~ret2 := fibo1(~n - 1); {9170#true} is VALID [2020-07-18 04:54:46,355 INFO L280 TraceCheckUtils]: 4: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,355 INFO L280 TraceCheckUtils]: 5: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,355 INFO L280 TraceCheckUtils]: 6: Hoare triple {9170#true} assume !(1 == ~n); {9170#true} is VALID [2020-07-18 04:54:46,356 INFO L263 TraceCheckUtils]: 7: Hoare triple {9170#true} call #t~ret0 := fibo2(~n - 1); {9170#true} is VALID [2020-07-18 04:54:46,356 INFO L280 TraceCheckUtils]: 8: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,356 INFO L280 TraceCheckUtils]: 9: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,356 INFO L280 TraceCheckUtils]: 10: Hoare triple {9170#true} assume !(1 == ~n); {9170#true} is VALID [2020-07-18 04:54:46,356 INFO L263 TraceCheckUtils]: 11: Hoare triple {9170#true} call #t~ret2 := fibo1(~n - 1); {9170#true} is VALID [2020-07-18 04:54:46,356 INFO L280 TraceCheckUtils]: 12: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,357 INFO L280 TraceCheckUtils]: 13: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,357 INFO L280 TraceCheckUtils]: 14: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-18 04:54:46,357 INFO L280 TraceCheckUtils]: 15: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-18 04:54:46,357 INFO L280 TraceCheckUtils]: 16: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,357 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {9170#true} {9170#true} #65#return; {9170#true} is VALID [2020-07-18 04:54:46,357 INFO L280 TraceCheckUtils]: 18: Hoare triple {9170#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9170#true} is VALID [2020-07-18 04:54:46,358 INFO L263 TraceCheckUtils]: 19: Hoare triple {9170#true} call #t~ret3 := fibo1(~n - 2); {9170#true} is VALID [2020-07-18 04:54:46,358 INFO L280 TraceCheckUtils]: 20: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,358 INFO L280 TraceCheckUtils]: 21: Hoare triple {9170#true} assume ~n < 1; {9170#true} is VALID [2020-07-18 04:54:46,358 INFO L280 TraceCheckUtils]: 22: Hoare triple {9170#true} #res := 0; {9170#true} is VALID [2020-07-18 04:54:46,358 INFO L280 TraceCheckUtils]: 23: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,359 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {9170#true} {9170#true} #67#return; {9170#true} is VALID [2020-07-18 04:54:46,359 INFO L280 TraceCheckUtils]: 25: Hoare triple {9170#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {9170#true} is VALID [2020-07-18 04:54:46,359 INFO L280 TraceCheckUtils]: 26: Hoare triple {9170#true} #res := #t~ret2 + #t~ret3; {9170#true} is VALID [2020-07-18 04:54:46,359 INFO L280 TraceCheckUtils]: 27: Hoare triple {9170#true} havoc #t~ret3; {9170#true} is VALID [2020-07-18 04:54:46,359 INFO L280 TraceCheckUtils]: 28: Hoare triple {9170#true} havoc #t~ret2; {9170#true} is VALID [2020-07-18 04:54:46,359 INFO L280 TraceCheckUtils]: 29: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,360 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {9170#true} {9170#true} #69#return; {9170#true} is VALID [2020-07-18 04:54:46,360 INFO L280 TraceCheckUtils]: 31: Hoare triple {9170#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {9170#true} is VALID [2020-07-18 04:54:46,360 INFO L263 TraceCheckUtils]: 32: Hoare triple {9170#true} call #t~ret1 := fibo2(~n - 2); {9170#true} is VALID [2020-07-18 04:54:46,360 INFO L280 TraceCheckUtils]: 33: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,360 INFO L280 TraceCheckUtils]: 34: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,360 INFO L280 TraceCheckUtils]: 35: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-18 04:54:46,361 INFO L280 TraceCheckUtils]: 36: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-18 04:54:46,361 INFO L280 TraceCheckUtils]: 37: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,361 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {9170#true} {9170#true} #71#return; {9170#true} is VALID [2020-07-18 04:54:46,361 INFO L280 TraceCheckUtils]: 39: Hoare triple {9170#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {9170#true} is VALID [2020-07-18 04:54:46,361 INFO L280 TraceCheckUtils]: 40: Hoare triple {9170#true} #res := #t~ret0 + #t~ret1; {9170#true} is VALID [2020-07-18 04:54:46,362 INFO L280 TraceCheckUtils]: 41: Hoare triple {9170#true} havoc #t~ret1; {9170#true} is VALID [2020-07-18 04:54:46,362 INFO L280 TraceCheckUtils]: 42: Hoare triple {9170#true} havoc #t~ret0; {9170#true} is VALID [2020-07-18 04:54:46,362 INFO L280 TraceCheckUtils]: 43: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,362 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {9170#true} {9170#true} #65#return; {9170#true} is VALID [2020-07-18 04:54:46,362 INFO L280 TraceCheckUtils]: 45: Hoare triple {9170#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9170#true} is VALID [2020-07-18 04:54:46,362 INFO L263 TraceCheckUtils]: 46: Hoare triple {9170#true} call #t~ret3 := fibo1(~n - 2); {9170#true} is VALID [2020-07-18 04:54:46,363 INFO L280 TraceCheckUtils]: 47: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,363 INFO L280 TraceCheckUtils]: 48: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,363 INFO L280 TraceCheckUtils]: 49: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-18 04:54:46,363 INFO L280 TraceCheckUtils]: 50: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-18 04:54:46,363 INFO L280 TraceCheckUtils]: 51: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,363 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {9170#true} {9170#true} #67#return; {9170#true} is VALID [2020-07-18 04:54:46,364 INFO L280 TraceCheckUtils]: 53: Hoare triple {9170#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {9170#true} is VALID [2020-07-18 04:54:46,364 INFO L280 TraceCheckUtils]: 54: Hoare triple {9170#true} #res := #t~ret2 + #t~ret3; {9170#true} is VALID [2020-07-18 04:54:46,364 INFO L280 TraceCheckUtils]: 55: Hoare triple {9170#true} havoc #t~ret3; {9170#true} is VALID [2020-07-18 04:54:46,364 INFO L280 TraceCheckUtils]: 56: Hoare triple {9170#true} havoc #t~ret2; {9170#true} is VALID [2020-07-18 04:54:46,364 INFO L280 TraceCheckUtils]: 57: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,365 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {9170#true} {9365#(<= 5 |fibo1_#in~n|)} #71#return; {9365#(<= 5 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,367 INFO L280 TraceCheckUtils]: 0: Hoare triple {9170#true} ~n := #in~n; {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,368 INFO L280 TraceCheckUtils]: 1: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,368 INFO L280 TraceCheckUtils]: 2: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,369 INFO L263 TraceCheckUtils]: 3: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {9170#true} is VALID [2020-07-18 04:54:46,369 INFO L280 TraceCheckUtils]: 4: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,369 INFO L280 TraceCheckUtils]: 5: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,369 INFO L280 TraceCheckUtils]: 6: Hoare triple {9170#true} assume !(1 == ~n); {9170#true} is VALID [2020-07-18 04:54:46,369 INFO L263 TraceCheckUtils]: 7: Hoare triple {9170#true} call #t~ret2 := fibo1(~n - 1); {9170#true} is VALID [2020-07-18 04:54:46,370 INFO L280 TraceCheckUtils]: 8: Hoare triple {9170#true} ~n := #in~n; {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,370 INFO L280 TraceCheckUtils]: 9: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,371 INFO L280 TraceCheckUtils]: 10: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,371 INFO L263 TraceCheckUtils]: 11: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {9170#true} is VALID [2020-07-18 04:54:46,372 INFO L280 TraceCheckUtils]: 12: Hoare triple {9170#true} ~n := #in~n; {9503#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,372 INFO L280 TraceCheckUtils]: 13: Hoare triple {9503#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {9504#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-18 04:54:46,373 INFO L280 TraceCheckUtils]: 14: Hoare triple {9504#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,373 INFO L263 TraceCheckUtils]: 15: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {9170#true} is VALID [2020-07-18 04:54:46,374 INFO L280 TraceCheckUtils]: 16: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,374 INFO L280 TraceCheckUtils]: 17: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,374 INFO L280 TraceCheckUtils]: 18: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-18 04:54:46,374 INFO L280 TraceCheckUtils]: 19: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-18 04:54:46,374 INFO L280 TraceCheckUtils]: 20: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,375 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {9170#true} {9505#(<= 2 |fibo2_#in~n|)} #65#return; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,376 INFO L280 TraceCheckUtils]: 22: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,376 INFO L263 TraceCheckUtils]: 23: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {9170#true} is VALID [2020-07-18 04:54:46,376 INFO L280 TraceCheckUtils]: 24: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,376 INFO L280 TraceCheckUtils]: 25: Hoare triple {9170#true} assume ~n < 1; {9170#true} is VALID [2020-07-18 04:54:46,376 INFO L280 TraceCheckUtils]: 26: Hoare triple {9170#true} #res := 0; {9170#true} is VALID [2020-07-18 04:54:46,377 INFO L280 TraceCheckUtils]: 27: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,377 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {9170#true} {9505#(<= 2 |fibo2_#in~n|)} #67#return; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,378 INFO L280 TraceCheckUtils]: 29: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,378 INFO L280 TraceCheckUtils]: 30: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,379 INFO L280 TraceCheckUtils]: 31: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,380 INFO L280 TraceCheckUtils]: 32: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,380 INFO L280 TraceCheckUtils]: 33: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} assume true; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,381 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {9505#(<= 2 |fibo2_#in~n|)} {9305#(= fibo1_~n |fibo1_#in~n|)} #69#return; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,382 INFO L280 TraceCheckUtils]: 35: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,382 INFO L263 TraceCheckUtils]: 36: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {9170#true} is VALID [2020-07-18 04:54:46,382 INFO L280 TraceCheckUtils]: 37: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,382 INFO L280 TraceCheckUtils]: 38: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,382 INFO L280 TraceCheckUtils]: 39: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-18 04:54:46,383 INFO L280 TraceCheckUtils]: 40: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-18 04:54:46,383 INFO L280 TraceCheckUtils]: 41: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,384 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {9170#true} {9496#(<= 3 |fibo1_#in~n|)} #71#return; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,384 INFO L280 TraceCheckUtils]: 43: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,385 INFO L280 TraceCheckUtils]: 44: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,385 INFO L280 TraceCheckUtils]: 45: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} havoc #t~ret1; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,385 INFO L280 TraceCheckUtils]: 46: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} havoc #t~ret0; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,386 INFO L280 TraceCheckUtils]: 47: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} assume true; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,387 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {9496#(<= 3 |fibo1_#in~n|)} {9170#true} #65#return; {9466#(<= 4 fibo2_~n)} is VALID [2020-07-18 04:54:46,387 INFO L280 TraceCheckUtils]: 49: Hoare triple {9466#(<= 4 fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9466#(<= 4 fibo2_~n)} is VALID [2020-07-18 04:54:46,388 INFO L263 TraceCheckUtils]: 50: Hoare triple {9466#(<= 4 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {9170#true} is VALID [2020-07-18 04:54:46,388 INFO L280 TraceCheckUtils]: 51: Hoare triple {9170#true} ~n := #in~n; {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,388 INFO L280 TraceCheckUtils]: 52: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,389 INFO L280 TraceCheckUtils]: 53: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {9517#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:54:46,389 INFO L280 TraceCheckUtils]: 54: Hoare triple {9517#(<= |fibo1_#in~n| 1)} #res := 1; {9517#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:54:46,390 INFO L280 TraceCheckUtils]: 55: Hoare triple {9517#(<= |fibo1_#in~n| 1)} assume true; {9517#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:54:46,391 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {9517#(<= |fibo1_#in~n| 1)} {9466#(<= 4 fibo2_~n)} #67#return; {9171#false} is VALID [2020-07-18 04:54:46,391 INFO L280 TraceCheckUtils]: 57: Hoare triple {9171#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {9171#false} is VALID [2020-07-18 04:54:46,391 INFO L280 TraceCheckUtils]: 58: Hoare triple {9171#false} #res := #t~ret2 + #t~ret3; {9171#false} is VALID [2020-07-18 04:54:46,391 INFO L280 TraceCheckUtils]: 59: Hoare triple {9171#false} havoc #t~ret3; {9171#false} is VALID [2020-07-18 04:54:46,392 INFO L280 TraceCheckUtils]: 60: Hoare triple {9171#false} havoc #t~ret2; {9171#false} is VALID [2020-07-18 04:54:46,392 INFO L280 TraceCheckUtils]: 61: Hoare triple {9171#false} assume true; {9171#false} is VALID [2020-07-18 04:54:46,392 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {9171#false} {9305#(= fibo1_~n |fibo1_#in~n|)} #69#return; {9365#(<= 5 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,392 INFO L280 TraceCheckUtils]: 63: Hoare triple {9365#(<= 5 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {9365#(<= 5 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,393 INFO L263 TraceCheckUtils]: 64: Hoare triple {9365#(<= 5 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {9170#true} is VALID [2020-07-18 04:54:46,393 INFO L280 TraceCheckUtils]: 65: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,393 INFO L280 TraceCheckUtils]: 66: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,393 INFO L280 TraceCheckUtils]: 67: Hoare triple {9170#true} assume !(1 == ~n); {9170#true} is VALID [2020-07-18 04:54:46,393 INFO L263 TraceCheckUtils]: 68: Hoare triple {9170#true} call #t~ret2 := fibo1(~n - 1); {9170#true} is VALID [2020-07-18 04:54:46,394 INFO L280 TraceCheckUtils]: 69: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,394 INFO L280 TraceCheckUtils]: 70: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,394 INFO L280 TraceCheckUtils]: 71: Hoare triple {9170#true} assume !(1 == ~n); {9170#true} is VALID [2020-07-18 04:54:46,394 INFO L263 TraceCheckUtils]: 72: Hoare triple {9170#true} call #t~ret0 := fibo2(~n - 1); {9170#true} is VALID [2020-07-18 04:54:46,394 INFO L280 TraceCheckUtils]: 73: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,394 INFO L280 TraceCheckUtils]: 74: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,395 INFO L280 TraceCheckUtils]: 75: Hoare triple {9170#true} assume !(1 == ~n); {9170#true} is VALID [2020-07-18 04:54:46,395 INFO L263 TraceCheckUtils]: 76: Hoare triple {9170#true} call #t~ret2 := fibo1(~n - 1); {9170#true} is VALID [2020-07-18 04:54:46,395 INFO L280 TraceCheckUtils]: 77: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,395 INFO L280 TraceCheckUtils]: 78: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,395 INFO L280 TraceCheckUtils]: 79: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-18 04:54:46,396 INFO L280 TraceCheckUtils]: 80: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-18 04:54:46,396 INFO L280 TraceCheckUtils]: 81: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,396 INFO L275 TraceCheckUtils]: 82: Hoare quadruple {9170#true} {9170#true} #65#return; {9170#true} is VALID [2020-07-18 04:54:46,396 INFO L280 TraceCheckUtils]: 83: Hoare triple {9170#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9170#true} is VALID [2020-07-18 04:54:46,396 INFO L263 TraceCheckUtils]: 84: Hoare triple {9170#true} call #t~ret3 := fibo1(~n - 2); {9170#true} is VALID [2020-07-18 04:54:46,396 INFO L280 TraceCheckUtils]: 85: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,397 INFO L280 TraceCheckUtils]: 86: Hoare triple {9170#true} assume ~n < 1; {9170#true} is VALID [2020-07-18 04:54:46,397 INFO L280 TraceCheckUtils]: 87: Hoare triple {9170#true} #res := 0; {9170#true} is VALID [2020-07-18 04:54:46,397 INFO L280 TraceCheckUtils]: 88: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,397 INFO L275 TraceCheckUtils]: 89: Hoare quadruple {9170#true} {9170#true} #67#return; {9170#true} is VALID [2020-07-18 04:54:46,397 INFO L280 TraceCheckUtils]: 90: Hoare triple {9170#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {9170#true} is VALID [2020-07-18 04:54:46,397 INFO L280 TraceCheckUtils]: 91: Hoare triple {9170#true} #res := #t~ret2 + #t~ret3; {9170#true} is VALID [2020-07-18 04:54:46,398 INFO L280 TraceCheckUtils]: 92: Hoare triple {9170#true} havoc #t~ret3; {9170#true} is VALID [2020-07-18 04:54:46,398 INFO L280 TraceCheckUtils]: 93: Hoare triple {9170#true} havoc #t~ret2; {9170#true} is VALID [2020-07-18 04:54:46,398 INFO L280 TraceCheckUtils]: 94: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,398 INFO L275 TraceCheckUtils]: 95: Hoare quadruple {9170#true} {9170#true} #69#return; {9170#true} is VALID [2020-07-18 04:54:46,398 INFO L280 TraceCheckUtils]: 96: Hoare triple {9170#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {9170#true} is VALID [2020-07-18 04:54:46,398 INFO L263 TraceCheckUtils]: 97: Hoare triple {9170#true} call #t~ret1 := fibo2(~n - 2); {9170#true} is VALID [2020-07-18 04:54:46,399 INFO L280 TraceCheckUtils]: 98: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,399 INFO L280 TraceCheckUtils]: 99: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,399 INFO L280 TraceCheckUtils]: 100: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-18 04:54:46,399 INFO L280 TraceCheckUtils]: 101: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-18 04:54:46,399 INFO L280 TraceCheckUtils]: 102: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,399 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {9170#true} {9170#true} #71#return; {9170#true} is VALID [2020-07-18 04:54:46,400 INFO L280 TraceCheckUtils]: 104: Hoare triple {9170#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {9170#true} is VALID [2020-07-18 04:54:46,400 INFO L280 TraceCheckUtils]: 105: Hoare triple {9170#true} #res := #t~ret0 + #t~ret1; {9170#true} is VALID [2020-07-18 04:54:46,400 INFO L280 TraceCheckUtils]: 106: Hoare triple {9170#true} havoc #t~ret1; {9170#true} is VALID [2020-07-18 04:54:46,400 INFO L280 TraceCheckUtils]: 107: Hoare triple {9170#true} havoc #t~ret0; {9170#true} is VALID [2020-07-18 04:54:46,400 INFO L280 TraceCheckUtils]: 108: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,400 INFO L275 TraceCheckUtils]: 109: Hoare quadruple {9170#true} {9170#true} #65#return; {9170#true} is VALID [2020-07-18 04:54:46,401 INFO L280 TraceCheckUtils]: 110: Hoare triple {9170#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9170#true} is VALID [2020-07-18 04:54:46,401 INFO L263 TraceCheckUtils]: 111: Hoare triple {9170#true} call #t~ret3 := fibo1(~n - 2); {9170#true} is VALID [2020-07-18 04:54:46,401 INFO L280 TraceCheckUtils]: 112: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,401 INFO L280 TraceCheckUtils]: 113: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,401 INFO L280 TraceCheckUtils]: 114: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-18 04:54:46,401 INFO L280 TraceCheckUtils]: 115: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-18 04:54:46,402 INFO L280 TraceCheckUtils]: 116: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,402 INFO L275 TraceCheckUtils]: 117: Hoare quadruple {9170#true} {9170#true} #67#return; {9170#true} is VALID [2020-07-18 04:54:46,402 INFO L280 TraceCheckUtils]: 118: Hoare triple {9170#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {9170#true} is VALID [2020-07-18 04:54:46,402 INFO L280 TraceCheckUtils]: 119: Hoare triple {9170#true} #res := #t~ret2 + #t~ret3; {9170#true} is VALID [2020-07-18 04:54:46,402 INFO L280 TraceCheckUtils]: 120: Hoare triple {9170#true} havoc #t~ret3; {9170#true} is VALID [2020-07-18 04:54:46,403 INFO L280 TraceCheckUtils]: 121: Hoare triple {9170#true} havoc #t~ret2; {9170#true} is VALID [2020-07-18 04:54:46,403 INFO L280 TraceCheckUtils]: 122: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,405 INFO L275 TraceCheckUtils]: 123: Hoare quadruple {9170#true} {9365#(<= 5 |fibo1_#in~n|)} #71#return; {9365#(<= 5 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,405 INFO L280 TraceCheckUtils]: 124: Hoare triple {9365#(<= 5 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {9365#(<= 5 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,406 INFO L280 TraceCheckUtils]: 125: Hoare triple {9365#(<= 5 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {9365#(<= 5 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,407 INFO L280 TraceCheckUtils]: 126: Hoare triple {9365#(<= 5 |fibo1_#in~n|)} havoc #t~ret1; {9365#(<= 5 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,407 INFO L280 TraceCheckUtils]: 127: Hoare triple {9365#(<= 5 |fibo1_#in~n|)} havoc #t~ret0; {9365#(<= 5 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,408 INFO L280 TraceCheckUtils]: 128: Hoare triple {9365#(<= 5 |fibo1_#in~n|)} assume true; {9365#(<= 5 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,409 INFO L275 TraceCheckUtils]: 129: Hoare quadruple {9365#(<= 5 |fibo1_#in~n|)} {9174#(<= main_~x~0 4)} #63#return; {9171#false} is VALID [2020-07-18 04:54:46,422 INFO L263 TraceCheckUtils]: 0: Hoare triple {9170#true} call ULTIMATE.init(); {9170#true} is VALID [2020-07-18 04:54:46,422 INFO L280 TraceCheckUtils]: 1: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,422 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {9170#true} {9170#true} #59#return; {9170#true} is VALID [2020-07-18 04:54:46,423 INFO L263 TraceCheckUtils]: 3: Hoare triple {9170#true} call #t~ret5 := main(); {9170#true} is VALID [2020-07-18 04:54:46,426 INFO L280 TraceCheckUtils]: 4: Hoare triple {9170#true} ~x~0 := 4; {9174#(<= main_~x~0 4)} is VALID [2020-07-18 04:54:46,427 INFO L263 TraceCheckUtils]: 5: Hoare triple {9174#(<= main_~x~0 4)} call #t~ret4 := fibo1(~x~0); {9170#true} is VALID [2020-07-18 04:54:46,427 INFO L280 TraceCheckUtils]: 6: Hoare triple {9170#true} ~n := #in~n; {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,428 INFO L280 TraceCheckUtils]: 7: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,428 INFO L280 TraceCheckUtils]: 8: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,428 INFO L263 TraceCheckUtils]: 9: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {9170#true} is VALID [2020-07-18 04:54:46,428 INFO L280 TraceCheckUtils]: 10: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,429 INFO L280 TraceCheckUtils]: 11: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,429 INFO L280 TraceCheckUtils]: 12: Hoare triple {9170#true} assume !(1 == ~n); {9170#true} is VALID [2020-07-18 04:54:46,429 INFO L263 TraceCheckUtils]: 13: Hoare triple {9170#true} call #t~ret2 := fibo1(~n - 1); {9170#true} is VALID [2020-07-18 04:54:46,429 INFO L280 TraceCheckUtils]: 14: Hoare triple {9170#true} ~n := #in~n; {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,430 INFO L280 TraceCheckUtils]: 15: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,430 INFO L280 TraceCheckUtils]: 16: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,431 INFO L263 TraceCheckUtils]: 17: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {9170#true} is VALID [2020-07-18 04:54:46,431 INFO L280 TraceCheckUtils]: 18: Hoare triple {9170#true} ~n := #in~n; {9503#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,432 INFO L280 TraceCheckUtils]: 19: Hoare triple {9503#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {9504#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-18 04:54:46,432 INFO L280 TraceCheckUtils]: 20: Hoare triple {9504#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,433 INFO L263 TraceCheckUtils]: 21: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {9170#true} is VALID [2020-07-18 04:54:46,433 INFO L280 TraceCheckUtils]: 22: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,433 INFO L280 TraceCheckUtils]: 23: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,433 INFO L280 TraceCheckUtils]: 24: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-18 04:54:46,433 INFO L280 TraceCheckUtils]: 25: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-18 04:54:46,433 INFO L280 TraceCheckUtils]: 26: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,434 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {9170#true} {9505#(<= 2 |fibo2_#in~n|)} #65#return; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,435 INFO L280 TraceCheckUtils]: 28: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,435 INFO L263 TraceCheckUtils]: 29: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {9170#true} is VALID [2020-07-18 04:54:46,435 INFO L280 TraceCheckUtils]: 30: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,435 INFO L280 TraceCheckUtils]: 31: Hoare triple {9170#true} assume ~n < 1; {9170#true} is VALID [2020-07-18 04:54:46,435 INFO L280 TraceCheckUtils]: 32: Hoare triple {9170#true} #res := 0; {9170#true} is VALID [2020-07-18 04:54:46,436 INFO L280 TraceCheckUtils]: 33: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,436 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {9170#true} {9505#(<= 2 |fibo2_#in~n|)} #67#return; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,437 INFO L280 TraceCheckUtils]: 35: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,437 INFO L280 TraceCheckUtils]: 36: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} #res := #t~ret2 + #t~ret3; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,438 INFO L280 TraceCheckUtils]: 37: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} havoc #t~ret3; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,438 INFO L280 TraceCheckUtils]: 38: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} havoc #t~ret2; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,439 INFO L280 TraceCheckUtils]: 39: Hoare triple {9505#(<= 2 |fibo2_#in~n|)} assume true; {9505#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-18 04:54:46,440 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {9505#(<= 2 |fibo2_#in~n|)} {9305#(= fibo1_~n |fibo1_#in~n|)} #69#return; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,440 INFO L280 TraceCheckUtils]: 41: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,441 INFO L263 TraceCheckUtils]: 42: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {9170#true} is VALID [2020-07-18 04:54:46,441 INFO L280 TraceCheckUtils]: 43: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,441 INFO L280 TraceCheckUtils]: 44: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,441 INFO L280 TraceCheckUtils]: 45: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-18 04:54:46,441 INFO L280 TraceCheckUtils]: 46: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-18 04:54:46,442 INFO L280 TraceCheckUtils]: 47: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,442 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {9170#true} {9496#(<= 3 |fibo1_#in~n|)} #71#return; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,443 INFO L280 TraceCheckUtils]: 49: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,443 INFO L280 TraceCheckUtils]: 50: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,444 INFO L280 TraceCheckUtils]: 51: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} havoc #t~ret1; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,444 INFO L280 TraceCheckUtils]: 52: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} havoc #t~ret0; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,445 INFO L280 TraceCheckUtils]: 53: Hoare triple {9496#(<= 3 |fibo1_#in~n|)} assume true; {9496#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,446 INFO L275 TraceCheckUtils]: 54: Hoare quadruple {9496#(<= 3 |fibo1_#in~n|)} {9170#true} #65#return; {9466#(<= 4 fibo2_~n)} is VALID [2020-07-18 04:54:46,446 INFO L280 TraceCheckUtils]: 55: Hoare triple {9466#(<= 4 fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9466#(<= 4 fibo2_~n)} is VALID [2020-07-18 04:54:46,447 INFO L263 TraceCheckUtils]: 56: Hoare triple {9466#(<= 4 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {9170#true} is VALID [2020-07-18 04:54:46,447 INFO L280 TraceCheckUtils]: 57: Hoare triple {9170#true} ~n := #in~n; {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,448 INFO L280 TraceCheckUtils]: 58: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {9305#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,448 INFO L280 TraceCheckUtils]: 59: Hoare triple {9305#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n; {9517#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:54:46,449 INFO L280 TraceCheckUtils]: 60: Hoare triple {9517#(<= |fibo1_#in~n| 1)} #res := 1; {9517#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:54:46,449 INFO L280 TraceCheckUtils]: 61: Hoare triple {9517#(<= |fibo1_#in~n| 1)} assume true; {9517#(<= |fibo1_#in~n| 1)} is VALID [2020-07-18 04:54:46,450 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {9517#(<= |fibo1_#in~n| 1)} {9466#(<= 4 fibo2_~n)} #67#return; {9171#false} is VALID [2020-07-18 04:54:46,450 INFO L280 TraceCheckUtils]: 63: Hoare triple {9171#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {9171#false} is VALID [2020-07-18 04:54:46,450 INFO L280 TraceCheckUtils]: 64: Hoare triple {9171#false} #res := #t~ret2 + #t~ret3; {9171#false} is VALID [2020-07-18 04:54:46,451 INFO L280 TraceCheckUtils]: 65: Hoare triple {9171#false} havoc #t~ret3; {9171#false} is VALID [2020-07-18 04:54:46,451 INFO L280 TraceCheckUtils]: 66: Hoare triple {9171#false} havoc #t~ret2; {9171#false} is VALID [2020-07-18 04:54:46,451 INFO L280 TraceCheckUtils]: 67: Hoare triple {9171#false} assume true; {9171#false} is VALID [2020-07-18 04:54:46,451 INFO L275 TraceCheckUtils]: 68: Hoare quadruple {9171#false} {9305#(= fibo1_~n |fibo1_#in~n|)} #69#return; {9365#(<= 5 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,452 INFO L280 TraceCheckUtils]: 69: Hoare triple {9365#(<= 5 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {9365#(<= 5 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,452 INFO L263 TraceCheckUtils]: 70: Hoare triple {9365#(<= 5 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {9170#true} is VALID [2020-07-18 04:54:46,452 INFO L280 TraceCheckUtils]: 71: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,452 INFO L280 TraceCheckUtils]: 72: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,452 INFO L280 TraceCheckUtils]: 73: Hoare triple {9170#true} assume !(1 == ~n); {9170#true} is VALID [2020-07-18 04:54:46,453 INFO L263 TraceCheckUtils]: 74: Hoare triple {9170#true} call #t~ret2 := fibo1(~n - 1); {9170#true} is VALID [2020-07-18 04:54:46,453 INFO L280 TraceCheckUtils]: 75: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,453 INFO L280 TraceCheckUtils]: 76: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,453 INFO L280 TraceCheckUtils]: 77: Hoare triple {9170#true} assume !(1 == ~n); {9170#true} is VALID [2020-07-18 04:54:46,453 INFO L263 TraceCheckUtils]: 78: Hoare triple {9170#true} call #t~ret0 := fibo2(~n - 1); {9170#true} is VALID [2020-07-18 04:54:46,454 INFO L280 TraceCheckUtils]: 79: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,454 INFO L280 TraceCheckUtils]: 80: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,454 INFO L280 TraceCheckUtils]: 81: Hoare triple {9170#true} assume !(1 == ~n); {9170#true} is VALID [2020-07-18 04:54:46,454 INFO L263 TraceCheckUtils]: 82: Hoare triple {9170#true} call #t~ret2 := fibo1(~n - 1); {9170#true} is VALID [2020-07-18 04:54:46,454 INFO L280 TraceCheckUtils]: 83: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,455 INFO L280 TraceCheckUtils]: 84: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,455 INFO L280 TraceCheckUtils]: 85: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-18 04:54:46,455 INFO L280 TraceCheckUtils]: 86: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-18 04:54:46,455 INFO L280 TraceCheckUtils]: 87: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,455 INFO L275 TraceCheckUtils]: 88: Hoare quadruple {9170#true} {9170#true} #65#return; {9170#true} is VALID [2020-07-18 04:54:46,455 INFO L280 TraceCheckUtils]: 89: Hoare triple {9170#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9170#true} is VALID [2020-07-18 04:54:46,456 INFO L263 TraceCheckUtils]: 90: Hoare triple {9170#true} call #t~ret3 := fibo1(~n - 2); {9170#true} is VALID [2020-07-18 04:54:46,456 INFO L280 TraceCheckUtils]: 91: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,456 INFO L280 TraceCheckUtils]: 92: Hoare triple {9170#true} assume ~n < 1; {9170#true} is VALID [2020-07-18 04:54:46,456 INFO L280 TraceCheckUtils]: 93: Hoare triple {9170#true} #res := 0; {9170#true} is VALID [2020-07-18 04:54:46,456 INFO L280 TraceCheckUtils]: 94: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,456 INFO L275 TraceCheckUtils]: 95: Hoare quadruple {9170#true} {9170#true} #67#return; {9170#true} is VALID [2020-07-18 04:54:46,457 INFO L280 TraceCheckUtils]: 96: Hoare triple {9170#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {9170#true} is VALID [2020-07-18 04:54:46,457 INFO L280 TraceCheckUtils]: 97: Hoare triple {9170#true} #res := #t~ret2 + #t~ret3; {9170#true} is VALID [2020-07-18 04:54:46,457 INFO L280 TraceCheckUtils]: 98: Hoare triple {9170#true} havoc #t~ret3; {9170#true} is VALID [2020-07-18 04:54:46,457 INFO L280 TraceCheckUtils]: 99: Hoare triple {9170#true} havoc #t~ret2; {9170#true} is VALID [2020-07-18 04:54:46,457 INFO L280 TraceCheckUtils]: 100: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,458 INFO L275 TraceCheckUtils]: 101: Hoare quadruple {9170#true} {9170#true} #69#return; {9170#true} is VALID [2020-07-18 04:54:46,458 INFO L280 TraceCheckUtils]: 102: Hoare triple {9170#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {9170#true} is VALID [2020-07-18 04:54:46,458 INFO L263 TraceCheckUtils]: 103: Hoare triple {9170#true} call #t~ret1 := fibo2(~n - 2); {9170#true} is VALID [2020-07-18 04:54:46,458 INFO L280 TraceCheckUtils]: 104: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,458 INFO L280 TraceCheckUtils]: 105: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,458 INFO L280 TraceCheckUtils]: 106: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-18 04:54:46,459 INFO L280 TraceCheckUtils]: 107: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-18 04:54:46,459 INFO L280 TraceCheckUtils]: 108: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,459 INFO L275 TraceCheckUtils]: 109: Hoare quadruple {9170#true} {9170#true} #71#return; {9170#true} is VALID [2020-07-18 04:54:46,459 INFO L280 TraceCheckUtils]: 110: Hoare triple {9170#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {9170#true} is VALID [2020-07-18 04:54:46,459 INFO L280 TraceCheckUtils]: 111: Hoare triple {9170#true} #res := #t~ret0 + #t~ret1; {9170#true} is VALID [2020-07-18 04:54:46,459 INFO L280 TraceCheckUtils]: 112: Hoare triple {9170#true} havoc #t~ret1; {9170#true} is VALID [2020-07-18 04:54:46,460 INFO L280 TraceCheckUtils]: 113: Hoare triple {9170#true} havoc #t~ret0; {9170#true} is VALID [2020-07-18 04:54:46,460 INFO L280 TraceCheckUtils]: 114: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,460 INFO L275 TraceCheckUtils]: 115: Hoare quadruple {9170#true} {9170#true} #65#return; {9170#true} is VALID [2020-07-18 04:54:46,460 INFO L280 TraceCheckUtils]: 116: Hoare triple {9170#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9170#true} is VALID [2020-07-18 04:54:46,460 INFO L263 TraceCheckUtils]: 117: Hoare triple {9170#true} call #t~ret3 := fibo1(~n - 2); {9170#true} is VALID [2020-07-18 04:54:46,460 INFO L280 TraceCheckUtils]: 118: Hoare triple {9170#true} ~n := #in~n; {9170#true} is VALID [2020-07-18 04:54:46,461 INFO L280 TraceCheckUtils]: 119: Hoare triple {9170#true} assume !(~n < 1); {9170#true} is VALID [2020-07-18 04:54:46,461 INFO L280 TraceCheckUtils]: 120: Hoare triple {9170#true} assume 1 == ~n; {9170#true} is VALID [2020-07-18 04:54:46,461 INFO L280 TraceCheckUtils]: 121: Hoare triple {9170#true} #res := 1; {9170#true} is VALID [2020-07-18 04:54:46,461 INFO L280 TraceCheckUtils]: 122: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,461 INFO L275 TraceCheckUtils]: 123: Hoare quadruple {9170#true} {9170#true} #67#return; {9170#true} is VALID [2020-07-18 04:54:46,461 INFO L280 TraceCheckUtils]: 124: Hoare triple {9170#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {9170#true} is VALID [2020-07-18 04:54:46,462 INFO L280 TraceCheckUtils]: 125: Hoare triple {9170#true} #res := #t~ret2 + #t~ret3; {9170#true} is VALID [2020-07-18 04:54:46,462 INFO L280 TraceCheckUtils]: 126: Hoare triple {9170#true} havoc #t~ret3; {9170#true} is VALID [2020-07-18 04:54:46,462 INFO L280 TraceCheckUtils]: 127: Hoare triple {9170#true} havoc #t~ret2; {9170#true} is VALID [2020-07-18 04:54:46,462 INFO L280 TraceCheckUtils]: 128: Hoare triple {9170#true} assume true; {9170#true} is VALID [2020-07-18 04:54:46,464 INFO L275 TraceCheckUtils]: 129: Hoare quadruple {9170#true} {9365#(<= 5 |fibo1_#in~n|)} #71#return; {9365#(<= 5 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,464 INFO L280 TraceCheckUtils]: 130: Hoare triple {9365#(<= 5 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {9365#(<= 5 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,465 INFO L280 TraceCheckUtils]: 131: Hoare triple {9365#(<= 5 |fibo1_#in~n|)} #res := #t~ret0 + #t~ret1; {9365#(<= 5 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,465 INFO L280 TraceCheckUtils]: 132: Hoare triple {9365#(<= 5 |fibo1_#in~n|)} havoc #t~ret1; {9365#(<= 5 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,466 INFO L280 TraceCheckUtils]: 133: Hoare triple {9365#(<= 5 |fibo1_#in~n|)} havoc #t~ret0; {9365#(<= 5 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,466 INFO L280 TraceCheckUtils]: 134: Hoare triple {9365#(<= 5 |fibo1_#in~n|)} assume true; {9365#(<= 5 |fibo1_#in~n|)} is VALID [2020-07-18 04:54:46,467 INFO L275 TraceCheckUtils]: 135: Hoare quadruple {9365#(<= 5 |fibo1_#in~n|)} {9174#(<= main_~x~0 4)} #63#return; {9171#false} is VALID [2020-07-18 04:54:46,467 INFO L280 TraceCheckUtils]: 136: Hoare triple {9171#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {9171#false} is VALID [2020-07-18 04:54:46,468 INFO L280 TraceCheckUtils]: 137: Hoare triple {9171#false} ~result~0 := #t~ret4; {9171#false} is VALID [2020-07-18 04:54:46,468 INFO L280 TraceCheckUtils]: 138: Hoare triple {9171#false} havoc #t~ret4; {9171#false} is VALID [2020-07-18 04:54:46,468 INFO L280 TraceCheckUtils]: 139: Hoare triple {9171#false} assume 3 != ~result~0; {9171#false} is VALID [2020-07-18 04:54:46,468 INFO L280 TraceCheckUtils]: 140: Hoare triple {9171#false} assume !false; {9171#false} is VALID [2020-07-18 04:54:46,481 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 47 proven. 109 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2020-07-18 04:54:46,481 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1836443239] [2020-07-18 04:54:46,481 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-18 04:54:46,482 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-07-18 04:54:46,482 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432563187] [2020-07-18 04:54:46,482 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 141 [2020-07-18 04:54:46,486 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 04:54:46,487 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2020-07-18 04:54:46,588 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 91 edges. 91 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:54:46,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-18 04:54:46,589 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 04:54:46,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-18 04:54:46,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-18 04:54:46,589 INFO L87 Difference]: Start difference. First operand 94 states and 114 transitions. Second operand 11 states. [2020-07-18 04:54:47,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:54:47,834 INFO L93 Difference]: Finished difference Result 176 states and 223 transitions. [2020-07-18 04:54:47,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-18 04:54:47,834 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 141 [2020-07-18 04:54:47,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 04:54:47,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-18 04:54:47,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 127 transitions. [2020-07-18 04:54:47,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-18 04:54:47,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 127 transitions. [2020-07-18 04:54:47,840 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 127 transitions. [2020-07-18 04:54:47,966 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 127 edges. 127 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:54:47,966 INFO L225 Difference]: With dead ends: 176 [2020-07-18 04:54:47,966 INFO L226 Difference]: Without dead ends: 0 [2020-07-18 04:54:47,968 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2020-07-18 04:54:47,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-18 04:54:47,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-18 04:54:47,968 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 04:54:47,968 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-18 04:54:47,969 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-18 04:54:47,969 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-18 04:54:47,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:54:47,969 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-18 04:54:47,969 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-18 04:54:47,969 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:54:47,970 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:54:47,970 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-18 04:54:47,970 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-18 04:54:47,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:54:47,970 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-18 04:54:47,970 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-18 04:54:47,970 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:54:47,970 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:54:47,971 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 04:54:47,971 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 04:54:47,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-18 04:54:47,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-18 04:54:47,971 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 141 [2020-07-18 04:54:47,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 04:54:47,972 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-18 04:54:47,972 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-18 04:54:47,972 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 0 states and 0 transitions. [2020-07-18 04:54:47,972 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:54:47,972 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-18 04:54:47,972 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:54:47,972 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-18 04:54:47,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-18 04:54:51,524 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 28 [2020-07-18 04:54:51,744 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 15 [2020-07-18 04:54:52,297 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 32 [2020-07-18 04:54:52,539 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 23 [2020-07-18 04:54:52,892 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 28 [2020-07-18 04:54:53,105 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 24 [2020-07-18 04:54:53,401 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 24 [2020-07-18 04:54:53,620 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 30 [2020-07-18 04:54:53,838 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 27 [2020-07-18 04:54:54,058 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 27 [2020-07-18 04:54:54,638 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 32 [2020-07-18 04:54:54,823 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 25 [2020-07-18 04:54:55,008 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 25 [2020-07-18 04:54:55,381 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 29 [2020-07-18 04:54:55,676 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 26 [2020-07-18 04:54:55,721 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-18 04:54:55,721 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-18 04:54:55,721 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-18 04:54:55,721 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-18 04:54:55,721 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-18 04:54:55,721 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-18 04:54:55,722 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 39) the Hoare annotation is: false [2020-07-18 04:54:55,722 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 35 42) the Hoare annotation is: true [2020-07-18 04:54:55,722 INFO L264 CegarLoopResult]: At program point mainEXIT(lines 35 42) the Hoare annotation is: (<= 4 main_~x~0) [2020-07-18 04:54:55,722 INFO L264 CegarLoopResult]: At program point mainFINAL(lines 35 42) the Hoare annotation is: (<= 4 main_~x~0) [2020-07-18 04:54:55,722 INFO L264 CegarLoopResult]: At program point L39(line 39) the Hoare annotation is: false [2020-07-18 04:54:55,723 INFO L264 CegarLoopResult]: At program point L38(lines 38 40) the Hoare annotation is: (and (<= 4 main_~x~0) (<= main_~x~0 4) (<= main_~result~0 3) (<= 3 main_~result~0)) [2020-07-18 04:54:55,723 INFO L264 CegarLoopResult]: At program point L37(line 37) the Hoare annotation is: (and (<= 4 main_~x~0) (<= main_~x~0 4)) [2020-07-18 04:54:55,723 INFO L264 CegarLoopResult]: At program point L37-1(line 37) the Hoare annotation is: (and (<= 4 main_~x~0) (<= main_~x~0 4) (<= 3 |main_#t~ret4|) (<= |main_#t~ret4| 3)) [2020-07-18 04:54:55,723 INFO L264 CegarLoopResult]: At program point L38-2(lines 38 40) the Hoare annotation is: (<= 4 main_~x~0) [2020-07-18 04:54:55,723 INFO L264 CegarLoopResult]: At program point L37-2(line 37) the Hoare annotation is: (and (<= 4 main_~x~0) (<= main_~x~0 4) (<= 3 |main_#t~ret4|) (<= |main_#t~ret4| 3)) [2020-07-18 04:54:55,723 INFO L264 CegarLoopResult]: At program point L37-3(line 37) the Hoare annotation is: (and (<= 4 main_~x~0) (<= main_~x~0 4) (<= 3 |main_#t~ret4|) (<= main_~result~0 3) (<= |main_#t~ret4| 3) (<= 3 main_~result~0)) [2020-07-18 04:54:55,724 INFO L271 CegarLoopResult]: At program point fibo2ENTRY(lines 17 25) the Hoare annotation is: true [2020-07-18 04:54:55,724 INFO L264 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: (and (< 1 fibo2_~n) (= fibo2_~n |fibo2_#in~n|)) [2020-07-18 04:54:55,724 INFO L264 CegarLoopResult]: At program point L23-1(line 23) the Hoare annotation is: (let ((.cse0 (= fibo2_~n |fibo2_#in~n|))) (or (and .cse0 (<= 4 fibo2_~n)) (and (<= |fibo2_#in~n| 2) (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|) (< 1 fibo2_~n) .cse0))) [2020-07-18 04:54:55,724 INFO L264 CegarLoopResult]: At program point L21(line 21) the Hoare annotation is: (and (< 0 fibo2_~n) (<= |fibo2_#in~n| 1) (= fibo2_~n |fibo2_#in~n|)) [2020-07-18 04:54:55,724 INFO L264 CegarLoopResult]: At program point L23-2(line 23) the Hoare annotation is: (let ((.cse0 (= fibo2_~n |fibo2_#in~n|))) (or (and .cse0 (<= 4 fibo2_~n)) (and (<= |fibo2_#in~n| 2) (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|) (< 1 fibo2_~n) .cse0))) [2020-07-18 04:54:55,724 INFO L264 CegarLoopResult]: At program point L20(lines 20 24) the Hoare annotation is: (and (<= 1 |fibo2_#in~n|) (= fibo2_~n |fibo2_#in~n|)) [2020-07-18 04:54:55,724 INFO L264 CegarLoopResult]: At program point L23-3(line 23) the Hoare annotation is: (and (= fibo2_~n |fibo2_#in~n|) (let ((.cse1 (<= |fibo2_#t~ret2| 1)) (.cse0 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (.cse2 (<= 1 |fibo2_#t~ret2|))) (or (and (<= 1 .cse0) (<= |fibo2_#in~n| 2) .cse1 .cse2 (<= .cse0 1) (< 1 fibo2_~n)) (and (<= 2 .cse0) .cse1 (<= .cse0 2) .cse2 (<= 3 fibo2_~n)) (not (<= |fibo2_#in~n| 3))))) [2020-07-18 04:54:55,725 INFO L264 CegarLoopResult]: At program point L19(line 19) the Hoare annotation is: (and (<= |fibo2_#in~n| 0) (= fibo2_~n |fibo2_#in~n|)) [2020-07-18 04:54:55,725 INFO L264 CegarLoopResult]: At program point L23-4(line 23) the Hoare annotation is: (and (= fibo2_~n |fibo2_#in~n|) (let ((.cse1 (<= |fibo2_#t~ret2| 1)) (.cse0 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (.cse2 (<= 1 |fibo2_#t~ret2|))) (or (and (<= 1 .cse0) (<= |fibo2_#in~n| 2) .cse1 .cse2 (<= .cse0 1) (< 1 fibo2_~n)) (and (<= 2 .cse0) .cse1 (<= .cse0 2) .cse2 (<= 3 fibo2_~n)) (not (<= |fibo2_#in~n| 3))))) [2020-07-18 04:54:55,725 INFO L264 CegarLoopResult]: At program point L18(lines 18 24) the Hoare annotation is: (= fibo2_~n |fibo2_#in~n|) [2020-07-18 04:54:55,725 INFO L264 CegarLoopResult]: At program point L23-5(line 23) the Hoare annotation is: (let ((.cse1 (<= |fibo2_#t~ret2| 1)) (.cse2 (<= 1 |fibo2_#t~ret2|)) (.cse0 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (.cse3 (= fibo2_~n |fibo2_#in~n|))) (or (and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|) (<= 2 .cse0) .cse1 (<= .cse0 2) .cse2 (<= 3 fibo2_~n) .cse3) (and .cse3 (<= 4 fibo2_~n)) (and (<= 1 .cse0) (<= |fibo2_#in~n| 2) .cse1 (<= 1 |fibo2_#res|) .cse2 (<= .cse0 1) (<= |fibo2_#res| 1) (< 1 fibo2_~n) .cse3))) [2020-07-18 04:54:55,725 INFO L264 CegarLoopResult]: At program point L23-6(line 23) the Hoare annotation is: (let ((.cse1 (<= |fibo2_#t~ret2| 1)) (.cse2 (<= 1 |fibo2_#t~ret2|)) (.cse0 (= fibo2_~n |fibo2_#in~n|))) (or (and .cse0 (<= 4 fibo2_~n)) (and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|) .cse1 .cse2 .cse0 (<= 3 fibo2_~n)) (and (<= |fibo2_#in~n| 2) .cse1 (<= 1 |fibo2_#res|) .cse2 (<= |fibo2_#res| 1) (< 1 fibo2_~n) .cse0))) [2020-07-18 04:54:55,725 INFO L264 CegarLoopResult]: At program point fibo2FINAL(lines 17 25) the Hoare annotation is: (let ((.cse0 (= fibo2_~n |fibo2_#in~n|))) (and (or (and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|) .cse0) (<= 1 |fibo2_#in~n|)) (or (and (<= |fibo2_#in~n| 2) (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1) .cse0) (and .cse0 (<= 4 fibo2_~n)) (and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|) (<= 3 fibo2_~n) .cse0) (<= |fibo2_#in~n| 0)))) [2020-07-18 04:54:55,725 INFO L264 CegarLoopResult]: At program point fibo2EXIT(lines 17 25) the Hoare annotation is: (let ((.cse0 (= fibo2_~n |fibo2_#in~n|))) (and (or (and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|) .cse0) (<= 1 |fibo2_#in~n|)) (or (and (<= |fibo2_#in~n| 2) (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1) .cse0) (and .cse0 (<= 4 fibo2_~n)) (and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|) (<= 3 fibo2_~n) .cse0) (<= |fibo2_#in~n| 0)))) [2020-07-18 04:54:55,726 INFO L271 CegarLoopResult]: At program point fibo1ENTRY(lines 7 15) the Hoare annotation is: true [2020-07-18 04:54:55,726 INFO L264 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: (and (not (<= |fibo1_#in~n| 2)) (= fibo1_~n |fibo1_#in~n|)) [2020-07-18 04:54:55,726 INFO L264 CegarLoopResult]: At program point L13-1(line 13) the Hoare annotation is: (and (not (<= |fibo1_#in~n| 2)) (let ((.cse0 (= fibo1_~n |fibo1_#in~n|))) (or (and (<= 5 |fibo1_#in~n|) .cse0) (and (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|) .cse0) (and .cse0 (<= |fibo1_#in~n| 3)))) (or (<= 4 fibo1_~n) (and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1)))) [2020-07-18 04:54:55,726 INFO L264 CegarLoopResult]: At program point L11(line 11) the Hoare annotation is: (and (<= |fibo1_#in~n| 1) (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|)) [2020-07-18 04:54:55,726 INFO L264 CegarLoopResult]: At program point L13-2(line 13) the Hoare annotation is: (and (not (<= |fibo1_#in~n| 2)) (let ((.cse0 (= fibo1_~n |fibo1_#in~n|))) (or (and (<= 5 |fibo1_#in~n|) .cse0) (and (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|) .cse0) (and .cse0 (<= |fibo1_#in~n| 3)))) (or (<= 4 fibo1_~n) (and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1)))) [2020-07-18 04:54:55,726 INFO L264 CegarLoopResult]: At program point fibo1FINAL(lines 7 15) the Hoare annotation is: (let ((.cse0 (not (<= |fibo1_#in~n| 2))) (.cse1 (and (<= |fibo1_#in~n| 1) (< 0 fibo1_~n) (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1)))) (and (or (and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|)) .cse0 .cse1) (let ((.cse2 (= fibo1_~n |fibo1_#in~n|))) (or (and (or (and (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3)) (<= |fibo1_#in~n| 3)) .cse2) (and (<= 5 |fibo1_#in~n|) .cse2))) (or .cse0 .cse1 (<= |fibo1_#in~n| 0)))) [2020-07-18 04:54:55,726 INFO L264 CegarLoopResult]: At program point L10(lines 10 14) the Hoare annotation is: (and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|)) [2020-07-18 04:54:55,727 INFO L264 CegarLoopResult]: At program point L13-3(line 13) the Hoare annotation is: (and (not (<= |fibo1_#in~n| 2)) (let ((.cse1 (= fibo1_~n |fibo1_#in~n|))) (or (and (or (and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1) (<= |fibo1_#in~n| 3)) (let ((.cse0 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|))) (and (<= .cse0 3) (<= 3 .cse0) (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|)))) .cse1) (and (<= 5 |fibo1_#in~n|) .cse1)))) [2020-07-18 04:54:55,727 INFO L264 CegarLoopResult]: At program point L9(line 9) the Hoare annotation is: (and (= fibo1_~n |fibo1_#in~n|) (<= |fibo1_#in~n| 0)) [2020-07-18 04:54:55,727 INFO L264 CegarLoopResult]: At program point L13-4(line 13) the Hoare annotation is: (and (not (<= |fibo1_#in~n| 2)) (let ((.cse1 (= fibo1_~n |fibo1_#in~n|))) (or (and (or (and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1) (<= |fibo1_#in~n| 3)) (let ((.cse0 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|))) (and (<= .cse0 3) (<= 3 .cse0) (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|)))) .cse1) (and (<= 5 |fibo1_#in~n|) .cse1)))) [2020-07-18 04:54:55,727 INFO L264 CegarLoopResult]: At program point L8(lines 8 14) the Hoare annotation is: (= fibo1_~n |fibo1_#in~n|) [2020-07-18 04:54:55,727 INFO L264 CegarLoopResult]: At program point L13-5(line 13) the Hoare annotation is: (and (not (<= |fibo1_#in~n| 2)) (let ((.cse1 (= fibo1_~n |fibo1_#in~n|))) (or (let ((.cse0 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|))) (and (<= .cse0 3) (<= 3 .cse0) (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|) (<= 3 |fibo1_#res|) .cse1 (<= |fibo1_#res| 3))) (and (<= 5 |fibo1_#in~n|) .cse1) (and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1) .cse1 (<= |fibo1_#in~n| 3))))) [2020-07-18 04:54:55,727 INFO L264 CegarLoopResult]: At program point L13-6(line 13) the Hoare annotation is: (and (not (<= |fibo1_#in~n| 2)) (let ((.cse0 (= fibo1_~n |fibo1_#in~n|))) (or (and (<= 5 |fibo1_#in~n|) .cse0) (and .cse0 (or (and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1) (<= |fibo1_#in~n| 3)) (and (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|) (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3))))))) [2020-07-18 04:54:55,727 INFO L264 CegarLoopResult]: At program point fibo1EXIT(lines 7 15) the Hoare annotation is: (let ((.cse0 (not (<= |fibo1_#in~n| 2))) (.cse1 (and (<= |fibo1_#in~n| 1) (< 0 fibo1_~n) (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1)))) (and (or (and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|)) .cse0 .cse1) (let ((.cse2 (= fibo1_~n |fibo1_#in~n|))) (or (and (or (and (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3)) (<= |fibo1_#in~n| 3)) .cse2) (and (<= 5 |fibo1_#in~n|) .cse2))) (or .cse0 .cse1 (<= |fibo1_#in~n| 0)))) [2020-07-18 04:54:55,738 WARN L151 areAnnotationChecker]: Transition assume !(1 == ~n); from 10018#L10true to 10044#L13true not inductive [2020-07-18 04:54:55,762 INFO L163 areAnnotationChecker]: CFG has 52 edges. 51 inductive. 1 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-18 04:54:55,762 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: incorrect Hoare annotation at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:217) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-18 04:54:55,766 INFO L168 Benchmark]: Toolchain (without parser) took 29996.07 ms. Allocated memory was 145.2 MB in the beginning and 454.6 MB in the end (delta: 309.3 MB). Free memory was 103.5 MB in the beginning and 135.9 MB in the end (delta: -32.4 MB). Peak memory consumption was 276.9 MB. Max. memory is 7.1 GB. [2020-07-18 04:54:55,767 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 145.2 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-18 04:54:55,767 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.82 ms. Allocated memory is still 145.2 MB. Free memory was 103.1 MB in the beginning and 93.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2020-07-18 04:54:55,768 INFO L168 Benchmark]: Boogie Preprocessor took 28.54 ms. Allocated memory is still 145.2 MB. Free memory was 93.2 MB in the beginning and 91.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-07-18 04:54:55,769 INFO L168 Benchmark]: RCFGBuilder took 560.88 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 91.7 MB in the beginning and 160.2 MB in the end (delta: -68.5 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-07-18 04:54:55,769 INFO L168 Benchmark]: TraceAbstraction took 29173.10 ms. Allocated memory was 201.9 MB in the beginning and 454.6 MB in the end (delta: 252.7 MB). Free memory was 159.5 MB in the beginning and 135.9 MB in the end (delta: 23.6 MB). Peak memory consumption was 276.3 MB. Max. memory is 7.1 GB. [2020-07-18 04:54:55,771 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 0.17 ms. Allocated memory is still 145.2 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 226.82 ms. Allocated memory is still 145.2 MB. Free memory was 103.1 MB in the beginning and 93.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.54 ms. Allocated memory is still 145.2 MB. Free memory was 93.2 MB in the beginning and 91.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 560.88 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 91.7 MB in the beginning and 160.2 MB in the end (delta: -68.5 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 29173.10 ms. Allocated memory was 201.9 MB in the beginning and 454.6 MB in the end (delta: 252.7 MB). Free memory was 159.5 MB in the beginning and 135.9 MB in the end (delta: 23.6 MB). Peak memory consumption was 276.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 39]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ExceptionOrErrorResult: AssertionError: incorrect Hoare annotation de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: incorrect Hoare annotation: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:242) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...