/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_5-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 22:20:17,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 22:20:17,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 22:20:17,679 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 22:20:17,679 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 22:20:17,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 22:20:17,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 22:20:17,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 22:20:17,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 22:20:17,702 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 22:20:17,704 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 22:20:17,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 22:20:17,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 22:20:17,709 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 22:20:17,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 22:20:17,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 22:20:17,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 22:20:17,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 22:20:17,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 22:20:17,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 22:20:17,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 22:20:17,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 22:20:17,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 22:20:17,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 22:20:17,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 22:20:17,746 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 22:20:17,747 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 22:20:17,748 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 22:20:17,749 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-17 22:20:17,785 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 22:20:17,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 22:20:17,787 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 22:20:17,787 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 22:20:17,789 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 22:20:17,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 22:20:17,790 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 22:20:17,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 22:20:17,790 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 22:20:17,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 22:20:17,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 22:20:17,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 22:20:17,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 22:20:17,791 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 22:20:17,791 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 22:20:17,792 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 22:20:17,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 22:20:17,792 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 22:20:17,792 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 22:20:17,795 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 22:20:17,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 22:20:17,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:20:17,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 22:20:17,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 22:20:17,796 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 22:20:17,797 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 22:20:17,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 22:20:17,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 22:20:17,797 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 22:20:17,797 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 22:20:18,135 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 22:20:18,154 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 22:20:18,159 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 22:20:18,160 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 22:20:18,160 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 22:20:18,161 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_5-1.c [2020-07-17 22:20:18,246 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/829579c10/06cfe76a08854e56a3eb5e8126d22505/FLAG28961ffb4 [2020-07-17 22:20:18,714 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 22:20:18,714 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/fibo_2calls_5-1.c [2020-07-17 22:20:18,721 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/829579c10/06cfe76a08854e56a3eb5e8126d22505/FLAG28961ffb4 [2020-07-17 22:20:19,072 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/829579c10/06cfe76a08854e56a3eb5e8126d22505 [2020-07-17 22:20:19,084 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 22:20:19,087 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 22:20:19,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 22:20:19,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 22:20:19,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 22:20:19,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:20:19" (1/1) ... [2020-07-17 22:20:19,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b355e4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:20:19, skipping insertion in model container [2020-07-17 22:20:19,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:20:19" (1/1) ... [2020-07-17 22:20:19,106 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 22:20:19,124 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 22:20:19,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:20:19,368 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 22:20:19,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:20:19,407 INFO L208 MainTranslator]: Completed translation [2020-07-17 22:20:19,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:20:19 WrapperNode [2020-07-17 22:20:19,408 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 22:20:19,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 22:20:19,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 22:20:19,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 22:20:19,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:20:19" (1/1) ... [2020-07-17 22:20:19,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:20:19" (1/1) ... [2020-07-17 22:20:19,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:20:19" (1/1) ... [2020-07-17 22:20:19,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:20:19" (1/1) ... [2020-07-17 22:20:19,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:20:19" (1/1) ... [2020-07-17 22:20:19,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:20:19" (1/1) ... [2020-07-17 22:20:19,437 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:20:19" (1/1) ... [2020-07-17 22:20:19,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 22:20:19,439 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 22:20:19,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 22:20:19,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 22:20:19,440 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:20:19" (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 [2020-07-17 22:20:19,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 22:20:19,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 22:20:19,587 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-07-17 22:20:19,587 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-07-17 22:20:19,588 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 22:20:19,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 22:20:19,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 22:20:19,588 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-07-17 22:20:19,588 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-07-17 22:20:19,588 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 22:20:19,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 22:20:19,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 22:20:19,883 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 22:20:19,884 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-17 22:20:19,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:20:19 BoogieIcfgContainer [2020-07-17 22:20:19,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 22:20:19,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 22:20:19,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 22:20:19,895 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 22:20:19,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 10:20:19" (1/3) ... [2020-07-17 22:20:19,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@493d8858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:20:19, skipping insertion in model container [2020-07-17 22:20:19,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:20:19" (2/3) ... [2020-07-17 22:20:19,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@493d8858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:20:19, skipping insertion in model container [2020-07-17 22:20:19,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:20:19" (3/3) ... [2020-07-17 22:20:19,899 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_5-1.c [2020-07-17 22:20:19,917 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 22:20:19,926 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 22:20:19,942 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 22:20:19,970 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 22:20:19,970 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 22:20:19,970 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 22:20:19,970 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 22:20:19,970 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 22:20:19,971 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 22:20:19,971 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 22:20:19,971 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 22:20:19,992 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-07-17 22:20:19,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-17 22:20:19,999 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:20:20,001 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:20:20,001 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:20:20,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:20:20,009 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-07-17 22:20:20,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:20:20,021 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959262492] [2020-07-17 22:20:20,021 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:20:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:20,235 INFO L280 TraceCheckUtils]: 0: Hoare triple {36#true} assume true; {36#true} is VALID [2020-07-17 22:20:20,235 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {36#true} {36#true} #47#return; {36#true} is VALID [2020-07-17 22:20:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:20,296 INFO L280 TraceCheckUtils]: 0: Hoare triple {36#true} ~n := #in~n; {45#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:20,298 INFO L280 TraceCheckUtils]: 1: Hoare triple {45#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1;#res := 0; {46#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:20,300 INFO L280 TraceCheckUtils]: 2: Hoare triple {46#(<= |fibo1_#in~n| 0)} assume true; {46#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:20,302 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {46#(<= |fibo1_#in~n| 0)} {40#(<= 5 main_~x~0)} #51#return; {37#false} is VALID [2020-07-17 22:20:20,303 INFO L263 TraceCheckUtils]: 0: Hoare triple {36#true} call ULTIMATE.init(); {36#true} is VALID [2020-07-17 22:20:20,303 INFO L280 TraceCheckUtils]: 1: Hoare triple {36#true} assume true; {36#true} is VALID [2020-07-17 22:20:20,304 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {36#true} {36#true} #47#return; {36#true} is VALID [2020-07-17 22:20:20,304 INFO L263 TraceCheckUtils]: 3: Hoare triple {36#true} call #t~ret5 := main(); {36#true} is VALID [2020-07-17 22:20:20,306 INFO L280 TraceCheckUtils]: 4: Hoare triple {36#true} ~x~0 := 5; {40#(<= 5 main_~x~0)} is VALID [2020-07-17 22:20:20,307 INFO L263 TraceCheckUtils]: 5: Hoare triple {40#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {36#true} is VALID [2020-07-17 22:20:20,309 INFO L280 TraceCheckUtils]: 6: Hoare triple {36#true} ~n := #in~n; {45#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:20,311 INFO L280 TraceCheckUtils]: 7: Hoare triple {45#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1;#res := 0; {46#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:20,312 INFO L280 TraceCheckUtils]: 8: Hoare triple {46#(<= |fibo1_#in~n| 0)} assume true; {46#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:20,314 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {46#(<= |fibo1_#in~n| 0)} {40#(<= 5 main_~x~0)} #51#return; {37#false} is VALID [2020-07-17 22:20:20,315 INFO L280 TraceCheckUtils]: 10: Hoare triple {37#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {37#false} is VALID [2020-07-17 22:20:20,315 INFO L280 TraceCheckUtils]: 11: Hoare triple {37#false} assume 5 != ~result~0; {37#false} is VALID [2020-07-17 22:20:20,316 INFO L280 TraceCheckUtils]: 12: Hoare triple {37#false} assume !false; {37#false} is VALID [2020-07-17 22:20:20,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:20:20,319 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959262492] [2020-07-17 22:20:20,320 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:20:20,320 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 22:20:20,321 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557802322] [2020-07-17 22:20:20,328 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-07-17 22:20:20,331 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:20:20,335 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-17 22:20:20,369 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:20:20,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 22:20:20,370 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:20:20,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 22:20:20,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-17 22:20:20,383 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-07-17 22:20:20,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:20,675 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-07-17 22:20:20,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 22:20:20,676 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-07-17 22:20:20,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:20:20,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-17 22:20:20,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 53 transitions. [2020-07-17 22:20:20,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-17 22:20:20,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 53 transitions. [2020-07-17 22:20:20,694 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 53 transitions. [2020-07-17 22:20:20,781 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:20:20,795 INFO L225 Difference]: With dead ends: 44 [2020-07-17 22:20:20,796 INFO L226 Difference]: Without dead ends: 30 [2020-07-17 22:20:20,800 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 [2020-07-17 22:20:20,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-07-17 22:20:20,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-07-17 22:20:20,866 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:20:20,867 INFO L82 GeneralOperation]: Start isEquivalent. First operand 30 states. Second operand 30 states. [2020-07-17 22:20:20,867 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand 30 states. [2020-07-17 22:20:20,867 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 30 states. [2020-07-17 22:20:20,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:20,876 INFO L93 Difference]: Finished difference Result 30 states and 37 transitions. [2020-07-17 22:20:20,877 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-07-17 22:20:20,878 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:20,879 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:20,879 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand 30 states. [2020-07-17 22:20:20,879 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 30 states. [2020-07-17 22:20:20,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:20,885 INFO L93 Difference]: Finished difference Result 30 states and 37 transitions. [2020-07-17 22:20:20,885 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-07-17 22:20:20,886 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:20,886 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:20,886 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:20:20,887 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:20:20,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-07-17 22:20:20,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-07-17 22:20:20,893 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-07-17 22:20:20,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:20:20,894 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-07-17 22:20:20,894 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 22:20:20,894 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-07-17 22:20:20,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-17 22:20:20,895 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:20:20,895 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:20:20,896 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 22:20:20,896 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:20:20,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:20:20,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-07-17 22:20:20,897 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:20:20,897 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517284695] [2020-07-17 22:20:20,897 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:20:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:20,944 INFO L280 TraceCheckUtils]: 0: Hoare triple {207#true} assume true; {207#true} is VALID [2020-07-17 22:20:20,944 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {207#true} {207#true} #47#return; {207#true} is VALID [2020-07-17 22:20:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:21,013 INFO L280 TraceCheckUtils]: 0: Hoare triple {207#true} ~n := #in~n; {217#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:21,014 INFO L280 TraceCheckUtils]: 1: Hoare triple {217#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {217#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:21,015 INFO L280 TraceCheckUtils]: 2: Hoare triple {217#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {218#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:21,016 INFO L280 TraceCheckUtils]: 3: Hoare triple {218#(<= |fibo1_#in~n| 1)} assume true; {218#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:21,017 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {218#(<= |fibo1_#in~n| 1)} {211#(<= 5 main_~x~0)} #51#return; {208#false} is VALID [2020-07-17 22:20:21,018 INFO L263 TraceCheckUtils]: 0: Hoare triple {207#true} call ULTIMATE.init(); {207#true} is VALID [2020-07-17 22:20:21,018 INFO L280 TraceCheckUtils]: 1: Hoare triple {207#true} assume true; {207#true} is VALID [2020-07-17 22:20:21,019 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {207#true} {207#true} #47#return; {207#true} is VALID [2020-07-17 22:20:21,019 INFO L263 TraceCheckUtils]: 3: Hoare triple {207#true} call #t~ret5 := main(); {207#true} is VALID [2020-07-17 22:20:21,020 INFO L280 TraceCheckUtils]: 4: Hoare triple {207#true} ~x~0 := 5; {211#(<= 5 main_~x~0)} is VALID [2020-07-17 22:20:21,020 INFO L263 TraceCheckUtils]: 5: Hoare triple {211#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {207#true} is VALID [2020-07-17 22:20:21,022 INFO L280 TraceCheckUtils]: 6: Hoare triple {207#true} ~n := #in~n; {217#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:21,023 INFO L280 TraceCheckUtils]: 7: Hoare triple {217#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {217#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:21,024 INFO L280 TraceCheckUtils]: 8: Hoare triple {217#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {218#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:21,026 INFO L280 TraceCheckUtils]: 9: Hoare triple {218#(<= |fibo1_#in~n| 1)} assume true; {218#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:21,027 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {218#(<= |fibo1_#in~n| 1)} {211#(<= 5 main_~x~0)} #51#return; {208#false} is VALID [2020-07-17 22:20:21,027 INFO L280 TraceCheckUtils]: 11: Hoare triple {208#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {208#false} is VALID [2020-07-17 22:20:21,028 INFO L280 TraceCheckUtils]: 12: Hoare triple {208#false} assume 5 != ~result~0; {208#false} is VALID [2020-07-17 22:20:21,028 INFO L280 TraceCheckUtils]: 13: Hoare triple {208#false} assume !false; {208#false} is VALID [2020-07-17 22:20:21,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:20:21,029 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517284695] [2020-07-17 22:20:21,030 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:20:21,030 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 22:20:21,030 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031883261] [2020-07-17 22:20:21,032 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-07-17 22:20:21,032 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:20:21,033 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-17 22:20:21,056 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:20:21,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 22:20:21,057 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:20:21,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 22:20:21,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-17 22:20:21,058 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-07-17 22:20:21,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:21,271 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-07-17 22:20:21,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 22:20:21,271 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-07-17 22:20:21,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:20:21,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-17 22:20:21,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2020-07-17 22:20:21,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-17 22:20:21,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2020-07-17 22:20:21,293 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 41 transitions. [2020-07-17 22:20:21,355 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:20:21,359 INFO L225 Difference]: With dead ends: 36 [2020-07-17 22:20:21,361 INFO L226 Difference]: Without dead ends: 32 [2020-07-17 22:20:21,362 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 [2020-07-17 22:20:21,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-07-17 22:20:21,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-07-17 22:20:21,382 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:20:21,382 INFO L82 GeneralOperation]: Start isEquivalent. First operand 32 states. Second operand 30 states. [2020-07-17 22:20:21,382 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand 30 states. [2020-07-17 22:20:21,383 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 30 states. [2020-07-17 22:20:21,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:21,394 INFO L93 Difference]: Finished difference Result 32 states and 40 transitions. [2020-07-17 22:20:21,395 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2020-07-17 22:20:21,396 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:21,396 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:21,396 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand 32 states. [2020-07-17 22:20:21,396 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 32 states. [2020-07-17 22:20:21,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:21,407 INFO L93 Difference]: Finished difference Result 32 states and 40 transitions. [2020-07-17 22:20:21,407 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2020-07-17 22:20:21,410 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:21,411 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:21,411 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:20:21,411 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:20:21,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-07-17 22:20:21,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-07-17 22:20:21,418 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-07-17 22:20:21,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:20:21,419 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-07-17 22:20:21,419 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 22:20:21,419 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-07-17 22:20:21,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-17 22:20:21,425 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:20:21,426 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:20:21,426 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 22:20:21,426 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:20:21,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:20:21,427 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-07-17 22:20:21,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:20:21,428 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818683926] [2020-07-17 22:20:21,428 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:20:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:21,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:21,527 INFO L280 TraceCheckUtils]: 0: Hoare triple {375#true} assume true; {375#true} is VALID [2020-07-17 22:20:21,528 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {375#true} {375#true} #47#return; {375#true} is VALID [2020-07-17 22:20:21,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:21,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:21,636 INFO L280 TraceCheckUtils]: 0: Hoare triple {375#true} ~n := #in~n; {407#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:21,638 INFO L280 TraceCheckUtils]: 1: Hoare triple {407#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1;#res := 0; {408#(<= |fibo2_#in~n| 0)} is VALID [2020-07-17 22:20:21,639 INFO L280 TraceCheckUtils]: 2: Hoare triple {408#(<= |fibo2_#in~n| 0)} assume true; {408#(<= |fibo2_#in~n| 0)} is VALID [2020-07-17 22:20:21,640 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {408#(<= |fibo2_#in~n| 0)} {398#(< 1 fibo1_~n)} #57#return; {376#false} is VALID [2020-07-17 22:20:21,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:21,648 INFO L280 TraceCheckUtils]: 0: Hoare triple {375#true} ~n := #in~n; {375#true} is VALID [2020-07-17 22:20:21,648 INFO L280 TraceCheckUtils]: 1: Hoare triple {375#true} assume ~n < 1;#res := 0; {375#true} is VALID [2020-07-17 22:20:21,649 INFO L280 TraceCheckUtils]: 2: Hoare triple {375#true} assume true; {375#true} is VALID [2020-07-17 22:20:21,649 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {375#true} {376#false} #59#return; {376#false} is VALID [2020-07-17 22:20:21,649 INFO L280 TraceCheckUtils]: 0: Hoare triple {375#true} ~n := #in~n; {375#true} is VALID [2020-07-17 22:20:21,651 INFO L280 TraceCheckUtils]: 1: Hoare triple {375#true} assume !(~n < 1); {397#(< 0 fibo1_~n)} is VALID [2020-07-17 22:20:21,652 INFO L280 TraceCheckUtils]: 2: Hoare triple {397#(< 0 fibo1_~n)} assume !(1 == ~n); {398#(< 1 fibo1_~n)} is VALID [2020-07-17 22:20:21,652 INFO L263 TraceCheckUtils]: 3: Hoare triple {398#(< 1 fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {375#true} is VALID [2020-07-17 22:20:21,653 INFO L280 TraceCheckUtils]: 4: Hoare triple {375#true} ~n := #in~n; {407#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:21,654 INFO L280 TraceCheckUtils]: 5: Hoare triple {407#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1;#res := 0; {408#(<= |fibo2_#in~n| 0)} is VALID [2020-07-17 22:20:21,655 INFO L280 TraceCheckUtils]: 6: Hoare triple {408#(<= |fibo2_#in~n| 0)} assume true; {408#(<= |fibo2_#in~n| 0)} is VALID [2020-07-17 22:20:21,656 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {408#(<= |fibo2_#in~n| 0)} {398#(< 1 fibo1_~n)} #57#return; {376#false} is VALID [2020-07-17 22:20:21,657 INFO L280 TraceCheckUtils]: 8: Hoare triple {376#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {376#false} is VALID [2020-07-17 22:20:21,657 INFO L263 TraceCheckUtils]: 9: Hoare triple {376#false} call #t~ret1 := fibo2(~n - 2); {375#true} is VALID [2020-07-17 22:20:21,657 INFO L280 TraceCheckUtils]: 10: Hoare triple {375#true} ~n := #in~n; {375#true} is VALID [2020-07-17 22:20:21,658 INFO L280 TraceCheckUtils]: 11: Hoare triple {375#true} assume ~n < 1;#res := 0; {375#true} is VALID [2020-07-17 22:20:21,658 INFO L280 TraceCheckUtils]: 12: Hoare triple {375#true} assume true; {375#true} is VALID [2020-07-17 22:20:21,658 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {375#true} {376#false} #59#return; {376#false} is VALID [2020-07-17 22:20:21,659 INFO L280 TraceCheckUtils]: 14: Hoare triple {376#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {376#false} is VALID [2020-07-17 22:20:21,659 INFO L280 TraceCheckUtils]: 15: Hoare triple {376#false} assume true; {376#false} is VALID [2020-07-17 22:20:21,659 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {376#false} {379#(<= 5 main_~x~0)} #51#return; {376#false} is VALID [2020-07-17 22:20:21,660 INFO L263 TraceCheckUtils]: 0: Hoare triple {375#true} call ULTIMATE.init(); {375#true} is VALID [2020-07-17 22:20:21,661 INFO L280 TraceCheckUtils]: 1: Hoare triple {375#true} assume true; {375#true} is VALID [2020-07-17 22:20:21,661 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {375#true} {375#true} #47#return; {375#true} is VALID [2020-07-17 22:20:21,661 INFO L263 TraceCheckUtils]: 3: Hoare triple {375#true} call #t~ret5 := main(); {375#true} is VALID [2020-07-17 22:20:21,662 INFO L280 TraceCheckUtils]: 4: Hoare triple {375#true} ~x~0 := 5; {379#(<= 5 main_~x~0)} is VALID [2020-07-17 22:20:21,663 INFO L263 TraceCheckUtils]: 5: Hoare triple {379#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {375#true} is VALID [2020-07-17 22:20:21,663 INFO L280 TraceCheckUtils]: 6: Hoare triple {375#true} ~n := #in~n; {375#true} is VALID [2020-07-17 22:20:21,664 INFO L280 TraceCheckUtils]: 7: Hoare triple {375#true} assume !(~n < 1); {397#(< 0 fibo1_~n)} is VALID [2020-07-17 22:20:21,665 INFO L280 TraceCheckUtils]: 8: Hoare triple {397#(< 0 fibo1_~n)} assume !(1 == ~n); {398#(< 1 fibo1_~n)} is VALID [2020-07-17 22:20:21,665 INFO L263 TraceCheckUtils]: 9: Hoare triple {398#(< 1 fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {375#true} is VALID [2020-07-17 22:20:21,666 INFO L280 TraceCheckUtils]: 10: Hoare triple {375#true} ~n := #in~n; {407#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:21,667 INFO L280 TraceCheckUtils]: 11: Hoare triple {407#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1;#res := 0; {408#(<= |fibo2_#in~n| 0)} is VALID [2020-07-17 22:20:21,668 INFO L280 TraceCheckUtils]: 12: Hoare triple {408#(<= |fibo2_#in~n| 0)} assume true; {408#(<= |fibo2_#in~n| 0)} is VALID [2020-07-17 22:20:21,670 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {408#(<= |fibo2_#in~n| 0)} {398#(< 1 fibo1_~n)} #57#return; {376#false} is VALID [2020-07-17 22:20:21,670 INFO L280 TraceCheckUtils]: 14: Hoare triple {376#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {376#false} is VALID [2020-07-17 22:20:21,670 INFO L263 TraceCheckUtils]: 15: Hoare triple {376#false} call #t~ret1 := fibo2(~n - 2); {375#true} is VALID [2020-07-17 22:20:21,671 INFO L280 TraceCheckUtils]: 16: Hoare triple {375#true} ~n := #in~n; {375#true} is VALID [2020-07-17 22:20:21,671 INFO L280 TraceCheckUtils]: 17: Hoare triple {375#true} assume ~n < 1;#res := 0; {375#true} is VALID [2020-07-17 22:20:21,671 INFO L280 TraceCheckUtils]: 18: Hoare triple {375#true} assume true; {375#true} is VALID [2020-07-17 22:20:21,672 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {375#true} {376#false} #59#return; {376#false} is VALID [2020-07-17 22:20:21,672 INFO L280 TraceCheckUtils]: 20: Hoare triple {376#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {376#false} is VALID [2020-07-17 22:20:21,672 INFO L280 TraceCheckUtils]: 21: Hoare triple {376#false} assume true; {376#false} is VALID [2020-07-17 22:20:21,673 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {376#false} {379#(<= 5 main_~x~0)} #51#return; {376#false} is VALID [2020-07-17 22:20:21,673 INFO L280 TraceCheckUtils]: 23: Hoare triple {376#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {376#false} is VALID [2020-07-17 22:20:21,673 INFO L280 TraceCheckUtils]: 24: Hoare triple {376#false} assume 5 != ~result~0; {376#false} is VALID [2020-07-17 22:20:21,674 INFO L280 TraceCheckUtils]: 25: Hoare triple {376#false} assume !false; {376#false} is VALID [2020-07-17 22:20:21,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 22:20:21,676 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818683926] [2020-07-17 22:20:21,676 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383032097] [2020-07-17 22:20:21,676 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:20:21,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:21,717 INFO L264 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-17 22:20:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:21,733 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 22:20:21,884 INFO L263 TraceCheckUtils]: 0: Hoare triple {375#true} call ULTIMATE.init(); {375#true} is VALID [2020-07-17 22:20:21,885 INFO L280 TraceCheckUtils]: 1: Hoare triple {375#true} assume true; {375#true} is VALID [2020-07-17 22:20:21,885 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {375#true} {375#true} #47#return; {375#true} is VALID [2020-07-17 22:20:21,886 INFO L263 TraceCheckUtils]: 3: Hoare triple {375#true} call #t~ret5 := main(); {375#true} is VALID [2020-07-17 22:20:21,887 INFO L280 TraceCheckUtils]: 4: Hoare triple {375#true} ~x~0 := 5; {379#(<= 5 main_~x~0)} is VALID [2020-07-17 22:20:21,887 INFO L263 TraceCheckUtils]: 5: Hoare triple {379#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {375#true} is VALID [2020-07-17 22:20:21,888 INFO L280 TraceCheckUtils]: 6: Hoare triple {375#true} ~n := #in~n; {430#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:21,889 INFO L280 TraceCheckUtils]: 7: Hoare triple {430#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {430#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:21,889 INFO L280 TraceCheckUtils]: 8: Hoare triple {430#(<= |fibo1_#in~n| fibo1_~n)} assume !(1 == ~n); {430#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:21,890 INFO L263 TraceCheckUtils]: 9: Hoare triple {430#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {375#true} is VALID [2020-07-17 22:20:21,891 INFO L280 TraceCheckUtils]: 10: Hoare triple {375#true} ~n := #in~n; {443#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:21,892 INFO L280 TraceCheckUtils]: 11: Hoare triple {443#(<= |fibo2_#in~n| fibo2_~n)} assume ~n < 1;#res := 0; {408#(<= |fibo2_#in~n| 0)} is VALID [2020-07-17 22:20:21,892 INFO L280 TraceCheckUtils]: 12: Hoare triple {408#(<= |fibo2_#in~n| 0)} assume true; {408#(<= |fibo2_#in~n| 0)} is VALID [2020-07-17 22:20:21,894 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {408#(<= |fibo2_#in~n| 0)} {430#(<= |fibo1_#in~n| fibo1_~n)} #57#return; {453#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:21,895 INFO L280 TraceCheckUtils]: 14: Hoare triple {453#(<= |fibo1_#in~n| 1)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {453#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:21,895 INFO L263 TraceCheckUtils]: 15: Hoare triple {453#(<= |fibo1_#in~n| 1)} call #t~ret1 := fibo2(~n - 2); {375#true} is VALID [2020-07-17 22:20:21,896 INFO L280 TraceCheckUtils]: 16: Hoare triple {375#true} ~n := #in~n; {375#true} is VALID [2020-07-17 22:20:21,896 INFO L280 TraceCheckUtils]: 17: Hoare triple {375#true} assume ~n < 1;#res := 0; {375#true} is VALID [2020-07-17 22:20:21,896 INFO L280 TraceCheckUtils]: 18: Hoare triple {375#true} assume true; {375#true} is VALID [2020-07-17 22:20:21,897 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {375#true} {453#(<= |fibo1_#in~n| 1)} #59#return; {453#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:21,898 INFO L280 TraceCheckUtils]: 20: Hoare triple {453#(<= |fibo1_#in~n| 1)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {453#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:21,899 INFO L280 TraceCheckUtils]: 21: Hoare triple {453#(<= |fibo1_#in~n| 1)} assume true; {453#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:21,900 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {453#(<= |fibo1_#in~n| 1)} {379#(<= 5 main_~x~0)} #51#return; {376#false} is VALID [2020-07-17 22:20:21,901 INFO L280 TraceCheckUtils]: 23: Hoare triple {376#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {376#false} is VALID [2020-07-17 22:20:21,901 INFO L280 TraceCheckUtils]: 24: Hoare triple {376#false} assume 5 != ~result~0; {376#false} is VALID [2020-07-17 22:20:21,901 INFO L280 TraceCheckUtils]: 25: Hoare triple {376#false} assume !false; {376#false} is VALID [2020-07-17 22:20:21,903 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 22:20:21,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 22:20:21,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-17 22:20:21,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796431687] [2020-07-17 22:20:21,905 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2020-07-17 22:20:21,906 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:20:21,906 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2020-07-17 22:20:21,964 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:20:21,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 22:20:21,965 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:20:21,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 22:20:21,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-07-17 22:20:21,966 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 10 states. [2020-07-17 22:20:22,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:22,592 INFO L93 Difference]: Finished difference Result 58 states and 78 transitions. [2020-07-17 22:20:22,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 22:20:22,593 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2020-07-17 22:20:22,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:20:22,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-17 22:20:22,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 75 transitions. [2020-07-17 22:20:22,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-17 22:20:22,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 75 transitions. [2020-07-17 22:20:22,603 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 75 transitions. [2020-07-17 22:20:22,725 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 75 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:20:22,727 INFO L225 Difference]: With dead ends: 58 [2020-07-17 22:20:22,728 INFO L226 Difference]: Without dead ends: 34 [2020-07-17 22:20:22,733 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2020-07-17 22:20:22,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-07-17 22:20:22,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-07-17 22:20:22,754 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:20:22,755 INFO L82 GeneralOperation]: Start isEquivalent. First operand 34 states. Second operand 32 states. [2020-07-17 22:20:22,755 INFO L74 IsIncluded]: Start isIncluded. First operand 34 states. Second operand 32 states. [2020-07-17 22:20:22,755 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 32 states. [2020-07-17 22:20:22,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:22,764 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2020-07-17 22:20:22,764 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2020-07-17 22:20:22,766 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:22,766 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:22,766 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand 34 states. [2020-07-17 22:20:22,771 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 34 states. [2020-07-17 22:20:22,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:22,776 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2020-07-17 22:20:22,776 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2020-07-17 22:20:22,777 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:22,778 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:22,778 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:20:22,778 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:20:22,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-07-17 22:20:22,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-07-17 22:20:22,782 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 26 [2020-07-17 22:20:22,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:20:22,782 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-07-17 22:20:22,782 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 22:20:22,782 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-07-17 22:20:22,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-17 22:20:22,784 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:20:22,784 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] [2020-07-17 22:20:22,998 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-17 22:20:22,999 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:20:22,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:20:22,999 INFO L82 PathProgramCache]: Analyzing trace with hash 746633022, now seen corresponding path program 1 times [2020-07-17 22:20:23,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:20:23,001 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914660408] [2020-07-17 22:20:23,001 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:20:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:23,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:23,038 INFO L280 TraceCheckUtils]: 0: Hoare triple {685#true} assume true; {685#true} is VALID [2020-07-17 22:20:23,039 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {685#true} {685#true} #47#return; {685#true} is VALID [2020-07-17 22:20:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:23,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:23,119 INFO L280 TraceCheckUtils]: 0: Hoare triple {685#true} ~n := #in~n; {719#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:23,120 INFO L280 TraceCheckUtils]: 1: Hoare triple {719#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {719#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:23,121 INFO L280 TraceCheckUtils]: 2: Hoare triple {719#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {720#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:23,121 INFO L280 TraceCheckUtils]: 3: Hoare triple {720#(<= |fibo2_#in~n| 1)} assume true; {720#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:23,123 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {720#(<= |fibo2_#in~n| 1)} {708#(= fibo1_~n |fibo1_#in~n|)} #57#return; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:23,130 INFO L280 TraceCheckUtils]: 0: Hoare triple {685#true} ~n := #in~n; {685#true} is VALID [2020-07-17 22:20:23,131 INFO L280 TraceCheckUtils]: 1: Hoare triple {685#true} assume ~n < 1;#res := 0; {685#true} is VALID [2020-07-17 22:20:23,131 INFO L280 TraceCheckUtils]: 2: Hoare triple {685#true} assume true; {685#true} is VALID [2020-07-17 22:20:23,132 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {685#true} {714#(<= |fibo1_#in~n| 2)} #59#return; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:23,133 INFO L280 TraceCheckUtils]: 0: Hoare triple {685#true} ~n := #in~n; {708#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:23,134 INFO L280 TraceCheckUtils]: 1: Hoare triple {708#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {708#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:23,135 INFO L280 TraceCheckUtils]: 2: Hoare triple {708#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {708#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:23,135 INFO L263 TraceCheckUtils]: 3: Hoare triple {708#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {685#true} is VALID [2020-07-17 22:20:23,136 INFO L280 TraceCheckUtils]: 4: Hoare triple {685#true} ~n := #in~n; {719#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:23,137 INFO L280 TraceCheckUtils]: 5: Hoare triple {719#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {719#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:23,137 INFO L280 TraceCheckUtils]: 6: Hoare triple {719#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {720#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:23,138 INFO L280 TraceCheckUtils]: 7: Hoare triple {720#(<= |fibo2_#in~n| 1)} assume true; {720#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:23,140 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {720#(<= |fibo2_#in~n| 1)} {708#(= fibo1_~n |fibo1_#in~n|)} #57#return; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:23,140 INFO L280 TraceCheckUtils]: 9: Hoare triple {714#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:23,141 INFO L263 TraceCheckUtils]: 10: Hoare triple {714#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {685#true} is VALID [2020-07-17 22:20:23,141 INFO L280 TraceCheckUtils]: 11: Hoare triple {685#true} ~n := #in~n; {685#true} is VALID [2020-07-17 22:20:23,141 INFO L280 TraceCheckUtils]: 12: Hoare triple {685#true} assume ~n < 1;#res := 0; {685#true} is VALID [2020-07-17 22:20:23,141 INFO L280 TraceCheckUtils]: 13: Hoare triple {685#true} assume true; {685#true} is VALID [2020-07-17 22:20:23,143 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {685#true} {714#(<= |fibo1_#in~n| 2)} #59#return; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:23,143 INFO L280 TraceCheckUtils]: 15: Hoare triple {714#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:23,144 INFO L280 TraceCheckUtils]: 16: Hoare triple {714#(<= |fibo1_#in~n| 2)} assume true; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:23,145 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {714#(<= |fibo1_#in~n| 2)} {689#(<= 5 main_~x~0)} #51#return; {686#false} is VALID [2020-07-17 22:20:23,146 INFO L263 TraceCheckUtils]: 0: Hoare triple {685#true} call ULTIMATE.init(); {685#true} is VALID [2020-07-17 22:20:23,146 INFO L280 TraceCheckUtils]: 1: Hoare triple {685#true} assume true; {685#true} is VALID [2020-07-17 22:20:23,146 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {685#true} {685#true} #47#return; {685#true} is VALID [2020-07-17 22:20:23,147 INFO L263 TraceCheckUtils]: 3: Hoare triple {685#true} call #t~ret5 := main(); {685#true} is VALID [2020-07-17 22:20:23,148 INFO L280 TraceCheckUtils]: 4: Hoare triple {685#true} ~x~0 := 5; {689#(<= 5 main_~x~0)} is VALID [2020-07-17 22:20:23,148 INFO L263 TraceCheckUtils]: 5: Hoare triple {689#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {685#true} is VALID [2020-07-17 22:20:23,149 INFO L280 TraceCheckUtils]: 6: Hoare triple {685#true} ~n := #in~n; {708#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:23,150 INFO L280 TraceCheckUtils]: 7: Hoare triple {708#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {708#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:23,150 INFO L280 TraceCheckUtils]: 8: Hoare triple {708#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {708#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:23,150 INFO L263 TraceCheckUtils]: 9: Hoare triple {708#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {685#true} is VALID [2020-07-17 22:20:23,151 INFO L280 TraceCheckUtils]: 10: Hoare triple {685#true} ~n := #in~n; {719#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:23,152 INFO L280 TraceCheckUtils]: 11: Hoare triple {719#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {719#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:23,152 INFO L280 TraceCheckUtils]: 12: Hoare triple {719#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {720#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:23,153 INFO L280 TraceCheckUtils]: 13: Hoare triple {720#(<= |fibo2_#in~n| 1)} assume true; {720#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:23,155 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {720#(<= |fibo2_#in~n| 1)} {708#(= fibo1_~n |fibo1_#in~n|)} #57#return; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:23,155 INFO L280 TraceCheckUtils]: 15: Hoare triple {714#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:23,156 INFO L263 TraceCheckUtils]: 16: Hoare triple {714#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {685#true} is VALID [2020-07-17 22:20:23,156 INFO L280 TraceCheckUtils]: 17: Hoare triple {685#true} ~n := #in~n; {685#true} is VALID [2020-07-17 22:20:23,156 INFO L280 TraceCheckUtils]: 18: Hoare triple {685#true} assume ~n < 1;#res := 0; {685#true} is VALID [2020-07-17 22:20:23,157 INFO L280 TraceCheckUtils]: 19: Hoare triple {685#true} assume true; {685#true} is VALID [2020-07-17 22:20:23,158 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {685#true} {714#(<= |fibo1_#in~n| 2)} #59#return; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:23,160 INFO L280 TraceCheckUtils]: 21: Hoare triple {714#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:23,161 INFO L280 TraceCheckUtils]: 22: Hoare triple {714#(<= |fibo1_#in~n| 2)} assume true; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:23,162 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {714#(<= |fibo1_#in~n| 2)} {689#(<= 5 main_~x~0)} #51#return; {686#false} is VALID [2020-07-17 22:20:23,162 INFO L280 TraceCheckUtils]: 24: Hoare triple {686#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {686#false} is VALID [2020-07-17 22:20:23,162 INFO L280 TraceCheckUtils]: 25: Hoare triple {686#false} assume 5 != ~result~0; {686#false} is VALID [2020-07-17 22:20:23,162 INFO L280 TraceCheckUtils]: 26: Hoare triple {686#false} assume !false; {686#false} is VALID [2020-07-17 22:20:23,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 22:20:23,164 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914660408] [2020-07-17 22:20:23,164 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746017893] [2020-07-17 22:20:23,164 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:20:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:23,192 INFO L264 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-17 22:20:23,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:23,210 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 22:20:23,312 INFO L263 TraceCheckUtils]: 0: Hoare triple {685#true} call ULTIMATE.init(); {685#true} is VALID [2020-07-17 22:20:23,313 INFO L280 TraceCheckUtils]: 1: Hoare triple {685#true} assume true; {685#true} is VALID [2020-07-17 22:20:23,313 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {685#true} {685#true} #47#return; {685#true} is VALID [2020-07-17 22:20:23,313 INFO L263 TraceCheckUtils]: 3: Hoare triple {685#true} call #t~ret5 := main(); {685#true} is VALID [2020-07-17 22:20:23,314 INFO L280 TraceCheckUtils]: 4: Hoare triple {685#true} ~x~0 := 5; {689#(<= 5 main_~x~0)} is VALID [2020-07-17 22:20:23,314 INFO L263 TraceCheckUtils]: 5: Hoare triple {689#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {685#true} is VALID [2020-07-17 22:20:23,315 INFO L280 TraceCheckUtils]: 6: Hoare triple {685#true} ~n := #in~n; {742#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:23,315 INFO L280 TraceCheckUtils]: 7: Hoare triple {742#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {742#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:23,315 INFO L280 TraceCheckUtils]: 8: Hoare triple {742#(<= |fibo1_#in~n| fibo1_~n)} assume !(1 == ~n); {742#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:23,316 INFO L263 TraceCheckUtils]: 9: Hoare triple {742#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {685#true} is VALID [2020-07-17 22:20:23,316 INFO L280 TraceCheckUtils]: 10: Hoare triple {685#true} ~n := #in~n; {755#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:23,317 INFO L280 TraceCheckUtils]: 11: Hoare triple {755#(<= |fibo2_#in~n| fibo2_~n)} assume !(~n < 1); {755#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:23,317 INFO L280 TraceCheckUtils]: 12: Hoare triple {755#(<= |fibo2_#in~n| fibo2_~n)} assume 1 == ~n;#res := 1; {720#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:23,317 INFO L280 TraceCheckUtils]: 13: Hoare triple {720#(<= |fibo2_#in~n| 1)} assume true; {720#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:23,318 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {720#(<= |fibo2_#in~n| 1)} {742#(<= |fibo1_#in~n| fibo1_~n)} #57#return; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:23,319 INFO L280 TraceCheckUtils]: 15: Hoare triple {714#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:23,319 INFO L263 TraceCheckUtils]: 16: Hoare triple {714#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {685#true} is VALID [2020-07-17 22:20:23,319 INFO L280 TraceCheckUtils]: 17: Hoare triple {685#true} ~n := #in~n; {685#true} is VALID [2020-07-17 22:20:23,320 INFO L280 TraceCheckUtils]: 18: Hoare triple {685#true} assume ~n < 1;#res := 0; {685#true} is VALID [2020-07-17 22:20:23,320 INFO L280 TraceCheckUtils]: 19: Hoare triple {685#true} assume true; {685#true} is VALID [2020-07-17 22:20:23,324 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {685#true} {714#(<= |fibo1_#in~n| 2)} #59#return; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:23,324 INFO L280 TraceCheckUtils]: 21: Hoare triple {714#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:23,325 INFO L280 TraceCheckUtils]: 22: Hoare triple {714#(<= |fibo1_#in~n| 2)} assume true; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:23,326 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {714#(<= |fibo1_#in~n| 2)} {689#(<= 5 main_~x~0)} #51#return; {686#false} is VALID [2020-07-17 22:20:23,326 INFO L280 TraceCheckUtils]: 24: Hoare triple {686#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {686#false} is VALID [2020-07-17 22:20:23,326 INFO L280 TraceCheckUtils]: 25: Hoare triple {686#false} assume 5 != ~result~0; {686#false} is VALID [2020-07-17 22:20:23,327 INFO L280 TraceCheckUtils]: 26: Hoare triple {686#false} assume !false; {686#false} is VALID [2020-07-17 22:20:23,328 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 22:20:23,328 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 22:20:23,328 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-07-17 22:20:23,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36448353] [2020-07-17 22:20:23,329 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2020-07-17 22:20:23,330 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:20:23,330 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-17 22:20:23,378 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:20:23,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 22:20:23,378 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:20:23,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 22:20:23,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 22:20:23,379 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 9 states. [2020-07-17 22:20:23,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:23,998 INFO L93 Difference]: Finished difference Result 54 states and 74 transitions. [2020-07-17 22:20:23,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-17 22:20:23,998 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2020-07-17 22:20:23,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:20:23,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-17 22:20:24,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 66 transitions. [2020-07-17 22:20:24,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-17 22:20:24,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 66 transitions. [2020-07-17 22:20:24,006 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 66 transitions. [2020-07-17 22:20:24,092 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 66 edges. 66 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:20:24,096 INFO L225 Difference]: With dead ends: 54 [2020-07-17 22:20:24,097 INFO L226 Difference]: Without dead ends: 50 [2020-07-17 22:20:24,097 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-07-17 22:20:24,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-07-17 22:20:24,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2020-07-17 22:20:24,129 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:20:24,130 INFO L82 GeneralOperation]: Start isEquivalent. First operand 50 states. Second operand 48 states. [2020-07-17 22:20:24,130 INFO L74 IsIncluded]: Start isIncluded. First operand 50 states. Second operand 48 states. [2020-07-17 22:20:24,130 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 48 states. [2020-07-17 22:20:24,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:24,135 INFO L93 Difference]: Finished difference Result 50 states and 70 transitions. [2020-07-17 22:20:24,135 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 70 transitions. [2020-07-17 22:20:24,137 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:24,137 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:24,137 INFO L74 IsIncluded]: Start isIncluded. First operand 48 states. Second operand 50 states. [2020-07-17 22:20:24,137 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 50 states. [2020-07-17 22:20:24,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:24,142 INFO L93 Difference]: Finished difference Result 50 states and 70 transitions. [2020-07-17 22:20:24,142 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 70 transitions. [2020-07-17 22:20:24,143 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:24,143 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:24,143 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:20:24,144 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:20:24,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-07-17 22:20:24,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 65 transitions. [2020-07-17 22:20:24,147 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 65 transitions. Word has length 27 [2020-07-17 22:20:24,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:20:24,148 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 65 transitions. [2020-07-17 22:20:24,148 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 22:20:24,148 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2020-07-17 22:20:24,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-07-17 22:20:24,149 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:20:24,150 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] [2020-07-17 22:20:24,355 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:20:24,356 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:20:24,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:20:24,357 INFO L82 PathProgramCache]: Analyzing trace with hash 986908919, now seen corresponding path program 1 times [2020-07-17 22:20:24,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:20:24,358 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159585657] [2020-07-17 22:20:24,358 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:20:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:24,403 INFO L280 TraceCheckUtils]: 0: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-17 22:20:24,404 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1044#true} {1044#true} #47#return; {1044#true} is VALID [2020-07-17 22:20:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:24,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:24,494 INFO L280 TraceCheckUtils]: 0: Hoare triple {1044#true} ~n := #in~n; {1109#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:24,495 INFO L280 TraceCheckUtils]: 1: Hoare triple {1109#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1;#res := 0; {1110#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:24,495 INFO L280 TraceCheckUtils]: 2: Hoare triple {1110#(<= |fibo1_#in~n| 0)} assume true; {1110#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:24,497 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1110#(<= |fibo1_#in~n| 0)} {1100#(< 1 fibo2_~n)} #53#return; {1045#false} is VALID [2020-07-17 22:20:24,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:24,504 INFO L280 TraceCheckUtils]: 0: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:24,504 INFO L280 TraceCheckUtils]: 1: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-17 22:20:24,504 INFO L280 TraceCheckUtils]: 2: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-17 22:20:24,505 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1044#true} {1045#false} #55#return; {1045#false} is VALID [2020-07-17 22:20:24,505 INFO L280 TraceCheckUtils]: 0: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:24,506 INFO L280 TraceCheckUtils]: 1: Hoare triple {1044#true} assume !(~n < 1); {1099#(< 0 fibo2_~n)} is VALID [2020-07-17 22:20:24,507 INFO L280 TraceCheckUtils]: 2: Hoare triple {1099#(< 0 fibo2_~n)} assume !(1 == ~n); {1100#(< 1 fibo2_~n)} is VALID [2020-07-17 22:20:24,507 INFO L263 TraceCheckUtils]: 3: Hoare triple {1100#(< 1 fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {1044#true} is VALID [2020-07-17 22:20:24,508 INFO L280 TraceCheckUtils]: 4: Hoare triple {1044#true} ~n := #in~n; {1109#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:24,509 INFO L280 TraceCheckUtils]: 5: Hoare triple {1109#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1;#res := 0; {1110#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:24,509 INFO L280 TraceCheckUtils]: 6: Hoare triple {1110#(<= |fibo1_#in~n| 0)} assume true; {1110#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:24,510 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {1110#(<= |fibo1_#in~n| 0)} {1100#(< 1 fibo2_~n)} #53#return; {1045#false} is VALID [2020-07-17 22:20:24,510 INFO L280 TraceCheckUtils]: 8: Hoare triple {1045#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1045#false} is VALID [2020-07-17 22:20:24,511 INFO L263 TraceCheckUtils]: 9: Hoare triple {1045#false} call #t~ret3 := fibo1(~n - 2); {1044#true} is VALID [2020-07-17 22:20:24,511 INFO L280 TraceCheckUtils]: 10: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:24,511 INFO L280 TraceCheckUtils]: 11: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-17 22:20:24,511 INFO L280 TraceCheckUtils]: 12: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-17 22:20:24,511 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {1044#true} {1045#false} #55#return; {1045#false} is VALID [2020-07-17 22:20:24,512 INFO L280 TraceCheckUtils]: 14: Hoare triple {1045#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {1045#false} is VALID [2020-07-17 22:20:24,512 INFO L280 TraceCheckUtils]: 15: Hoare triple {1045#false} assume true; {1045#false} is VALID [2020-07-17 22:20:24,512 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {1045#false} {1044#true} #57#return; {1045#false} is VALID [2020-07-17 22:20:24,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:24,518 INFO L280 TraceCheckUtils]: 0: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:24,518 INFO L280 TraceCheckUtils]: 1: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-17 22:20:24,518 INFO L280 TraceCheckUtils]: 2: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-17 22:20:24,519 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1044#true} {1045#false} #59#return; {1045#false} is VALID [2020-07-17 22:20:24,519 INFO L280 TraceCheckUtils]: 0: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:24,519 INFO L280 TraceCheckUtils]: 1: Hoare triple {1044#true} assume !(~n < 1); {1044#true} is VALID [2020-07-17 22:20:24,519 INFO L280 TraceCheckUtils]: 2: Hoare triple {1044#true} assume !(1 == ~n); {1044#true} is VALID [2020-07-17 22:20:24,520 INFO L263 TraceCheckUtils]: 3: Hoare triple {1044#true} call #t~ret0 := fibo2(~n - 1); {1044#true} is VALID [2020-07-17 22:20:24,520 INFO L280 TraceCheckUtils]: 4: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:24,522 INFO L280 TraceCheckUtils]: 5: Hoare triple {1044#true} assume !(~n < 1); {1099#(< 0 fibo2_~n)} is VALID [2020-07-17 22:20:24,523 INFO L280 TraceCheckUtils]: 6: Hoare triple {1099#(< 0 fibo2_~n)} assume !(1 == ~n); {1100#(< 1 fibo2_~n)} is VALID [2020-07-17 22:20:24,524 INFO L263 TraceCheckUtils]: 7: Hoare triple {1100#(< 1 fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {1044#true} is VALID [2020-07-17 22:20:24,524 INFO L280 TraceCheckUtils]: 8: Hoare triple {1044#true} ~n := #in~n; {1109#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:24,525 INFO L280 TraceCheckUtils]: 9: Hoare triple {1109#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1;#res := 0; {1110#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:24,525 INFO L280 TraceCheckUtils]: 10: Hoare triple {1110#(<= |fibo1_#in~n| 0)} assume true; {1110#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:24,526 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1110#(<= |fibo1_#in~n| 0)} {1100#(< 1 fibo2_~n)} #53#return; {1045#false} is VALID [2020-07-17 22:20:24,527 INFO L280 TraceCheckUtils]: 12: Hoare triple {1045#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1045#false} is VALID [2020-07-17 22:20:24,527 INFO L263 TraceCheckUtils]: 13: Hoare triple {1045#false} call #t~ret3 := fibo1(~n - 2); {1044#true} is VALID [2020-07-17 22:20:24,527 INFO L280 TraceCheckUtils]: 14: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:24,527 INFO L280 TraceCheckUtils]: 15: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-17 22:20:24,527 INFO L280 TraceCheckUtils]: 16: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-17 22:20:24,528 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {1044#true} {1045#false} #55#return; {1045#false} is VALID [2020-07-17 22:20:24,528 INFO L280 TraceCheckUtils]: 18: Hoare triple {1045#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {1045#false} is VALID [2020-07-17 22:20:24,528 INFO L280 TraceCheckUtils]: 19: Hoare triple {1045#false} assume true; {1045#false} is VALID [2020-07-17 22:20:24,528 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1045#false} {1044#true} #57#return; {1045#false} is VALID [2020-07-17 22:20:24,529 INFO L280 TraceCheckUtils]: 21: Hoare triple {1045#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1045#false} is VALID [2020-07-17 22:20:24,529 INFO L263 TraceCheckUtils]: 22: Hoare triple {1045#false} call #t~ret1 := fibo2(~n - 2); {1044#true} is VALID [2020-07-17 22:20:24,529 INFO L280 TraceCheckUtils]: 23: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:24,529 INFO L280 TraceCheckUtils]: 24: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-17 22:20:24,530 INFO L280 TraceCheckUtils]: 25: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-17 22:20:24,530 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {1044#true} {1045#false} #59#return; {1045#false} is VALID [2020-07-17 22:20:24,530 INFO L280 TraceCheckUtils]: 27: Hoare triple {1045#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1045#false} is VALID [2020-07-17 22:20:24,530 INFO L280 TraceCheckUtils]: 28: Hoare triple {1045#false} assume true; {1045#false} is VALID [2020-07-17 22:20:24,531 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {1045#false} {1044#true} #51#return; {1045#false} is VALID [2020-07-17 22:20:24,532 INFO L263 TraceCheckUtils]: 0: Hoare triple {1044#true} call ULTIMATE.init(); {1044#true} is VALID [2020-07-17 22:20:24,532 INFO L280 TraceCheckUtils]: 1: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-17 22:20:24,532 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1044#true} {1044#true} #47#return; {1044#true} is VALID [2020-07-17 22:20:24,532 INFO L263 TraceCheckUtils]: 3: Hoare triple {1044#true} call #t~ret5 := main(); {1044#true} is VALID [2020-07-17 22:20:24,533 INFO L280 TraceCheckUtils]: 4: Hoare triple {1044#true} ~x~0 := 5; {1044#true} is VALID [2020-07-17 22:20:24,533 INFO L263 TraceCheckUtils]: 5: Hoare triple {1044#true} call #t~ret4 := fibo1(~x~0); {1044#true} is VALID [2020-07-17 22:20:24,533 INFO L280 TraceCheckUtils]: 6: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:24,533 INFO L280 TraceCheckUtils]: 7: Hoare triple {1044#true} assume !(~n < 1); {1044#true} is VALID [2020-07-17 22:20:24,534 INFO L280 TraceCheckUtils]: 8: Hoare triple {1044#true} assume !(1 == ~n); {1044#true} is VALID [2020-07-17 22:20:24,534 INFO L263 TraceCheckUtils]: 9: Hoare triple {1044#true} call #t~ret0 := fibo2(~n - 1); {1044#true} is VALID [2020-07-17 22:20:24,534 INFO L280 TraceCheckUtils]: 10: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:24,536 INFO L280 TraceCheckUtils]: 11: Hoare triple {1044#true} assume !(~n < 1); {1099#(< 0 fibo2_~n)} is VALID [2020-07-17 22:20:24,539 INFO L280 TraceCheckUtils]: 12: Hoare triple {1099#(< 0 fibo2_~n)} assume !(1 == ~n); {1100#(< 1 fibo2_~n)} is VALID [2020-07-17 22:20:24,540 INFO L263 TraceCheckUtils]: 13: Hoare triple {1100#(< 1 fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {1044#true} is VALID [2020-07-17 22:20:24,542 INFO L280 TraceCheckUtils]: 14: Hoare triple {1044#true} ~n := #in~n; {1109#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:24,544 INFO L280 TraceCheckUtils]: 15: Hoare triple {1109#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1;#res := 0; {1110#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:24,545 INFO L280 TraceCheckUtils]: 16: Hoare triple {1110#(<= |fibo1_#in~n| 0)} assume true; {1110#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:24,546 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {1110#(<= |fibo1_#in~n| 0)} {1100#(< 1 fibo2_~n)} #53#return; {1045#false} is VALID [2020-07-17 22:20:24,546 INFO L280 TraceCheckUtils]: 18: Hoare triple {1045#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1045#false} is VALID [2020-07-17 22:20:24,547 INFO L263 TraceCheckUtils]: 19: Hoare triple {1045#false} call #t~ret3 := fibo1(~n - 2); {1044#true} is VALID [2020-07-17 22:20:24,547 INFO L280 TraceCheckUtils]: 20: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:24,547 INFO L280 TraceCheckUtils]: 21: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-17 22:20:24,547 INFO L280 TraceCheckUtils]: 22: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-17 22:20:24,547 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {1044#true} {1045#false} #55#return; {1045#false} is VALID [2020-07-17 22:20:24,548 INFO L280 TraceCheckUtils]: 24: Hoare triple {1045#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {1045#false} is VALID [2020-07-17 22:20:24,548 INFO L280 TraceCheckUtils]: 25: Hoare triple {1045#false} assume true; {1045#false} is VALID [2020-07-17 22:20:24,548 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {1045#false} {1044#true} #57#return; {1045#false} is VALID [2020-07-17 22:20:24,548 INFO L280 TraceCheckUtils]: 27: Hoare triple {1045#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1045#false} is VALID [2020-07-17 22:20:24,548 INFO L263 TraceCheckUtils]: 28: Hoare triple {1045#false} call #t~ret1 := fibo2(~n - 2); {1044#true} is VALID [2020-07-17 22:20:24,548 INFO L280 TraceCheckUtils]: 29: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:24,549 INFO L280 TraceCheckUtils]: 30: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-17 22:20:24,549 INFO L280 TraceCheckUtils]: 31: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-17 22:20:24,549 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {1044#true} {1045#false} #59#return; {1045#false} is VALID [2020-07-17 22:20:24,549 INFO L280 TraceCheckUtils]: 33: Hoare triple {1045#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1045#false} is VALID [2020-07-17 22:20:24,549 INFO L280 TraceCheckUtils]: 34: Hoare triple {1045#false} assume true; {1045#false} is VALID [2020-07-17 22:20:24,550 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {1045#false} {1044#true} #51#return; {1045#false} is VALID [2020-07-17 22:20:24,550 INFO L280 TraceCheckUtils]: 36: Hoare triple {1045#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {1045#false} is VALID [2020-07-17 22:20:24,550 INFO L280 TraceCheckUtils]: 37: Hoare triple {1045#false} assume 5 != ~result~0; {1045#false} is VALID [2020-07-17 22:20:24,550 INFO L280 TraceCheckUtils]: 38: Hoare triple {1045#false} assume !false; {1045#false} is VALID [2020-07-17 22:20:24,552 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-17 22:20:24,552 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159585657] [2020-07-17 22:20:24,552 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270644269] [2020-07-17 22:20:24,553 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:20:24,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:24,585 INFO L264 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-17 22:20:24,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:24,594 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 22:20:24,775 INFO L263 TraceCheckUtils]: 0: Hoare triple {1044#true} call ULTIMATE.init(); {1044#true} is VALID [2020-07-17 22:20:24,775 INFO L280 TraceCheckUtils]: 1: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-17 22:20:24,776 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1044#true} {1044#true} #47#return; {1044#true} is VALID [2020-07-17 22:20:24,776 INFO L263 TraceCheckUtils]: 3: Hoare triple {1044#true} call #t~ret5 := main(); {1044#true} is VALID [2020-07-17 22:20:24,777 INFO L280 TraceCheckUtils]: 4: Hoare triple {1044#true} ~x~0 := 5; {1126#(<= 5 main_~x~0)} is VALID [2020-07-17 22:20:24,777 INFO L263 TraceCheckUtils]: 5: Hoare triple {1126#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {1044#true} is VALID [2020-07-17 22:20:24,778 INFO L280 TraceCheckUtils]: 6: Hoare triple {1044#true} ~n := #in~n; {1133#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:24,778 INFO L280 TraceCheckUtils]: 7: Hoare triple {1133#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {1133#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:24,779 INFO L280 TraceCheckUtils]: 8: Hoare triple {1133#(<= |fibo1_#in~n| fibo1_~n)} assume !(1 == ~n); {1133#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:24,779 INFO L263 TraceCheckUtils]: 9: Hoare triple {1133#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {1044#true} is VALID [2020-07-17 22:20:24,780 INFO L280 TraceCheckUtils]: 10: Hoare triple {1044#true} ~n := #in~n; {1146#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:24,781 INFO L280 TraceCheckUtils]: 11: Hoare triple {1146#(<= |fibo2_#in~n| fibo2_~n)} assume !(~n < 1); {1146#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:24,781 INFO L280 TraceCheckUtils]: 12: Hoare triple {1146#(<= |fibo2_#in~n| fibo2_~n)} assume !(1 == ~n); {1146#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:24,782 INFO L263 TraceCheckUtils]: 13: Hoare triple {1146#(<= |fibo2_#in~n| fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {1044#true} is VALID [2020-07-17 22:20:24,782 INFO L280 TraceCheckUtils]: 14: Hoare triple {1044#true} ~n := #in~n; {1133#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:24,783 INFO L280 TraceCheckUtils]: 15: Hoare triple {1133#(<= |fibo1_#in~n| fibo1_~n)} assume ~n < 1;#res := 0; {1110#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:24,784 INFO L280 TraceCheckUtils]: 16: Hoare triple {1110#(<= |fibo1_#in~n| 0)} assume true; {1110#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:24,785 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {1110#(<= |fibo1_#in~n| 0)} {1146#(<= |fibo2_#in~n| fibo2_~n)} #53#return; {1168#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:24,786 INFO L280 TraceCheckUtils]: 18: Hoare triple {1168#(<= |fibo2_#in~n| 1)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1168#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:24,786 INFO L263 TraceCheckUtils]: 19: Hoare triple {1168#(<= |fibo2_#in~n| 1)} call #t~ret3 := fibo1(~n - 2); {1044#true} is VALID [2020-07-17 22:20:24,786 INFO L280 TraceCheckUtils]: 20: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:24,787 INFO L280 TraceCheckUtils]: 21: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-17 22:20:24,787 INFO L280 TraceCheckUtils]: 22: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-17 22:20:24,788 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {1044#true} {1168#(<= |fibo2_#in~n| 1)} #55#return; {1168#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:24,789 INFO L280 TraceCheckUtils]: 24: Hoare triple {1168#(<= |fibo2_#in~n| 1)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {1168#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:24,789 INFO L280 TraceCheckUtils]: 25: Hoare triple {1168#(<= |fibo2_#in~n| 1)} assume true; {1168#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:24,790 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {1168#(<= |fibo2_#in~n| 1)} {1133#(<= |fibo1_#in~n| fibo1_~n)} #57#return; {1196#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:24,791 INFO L280 TraceCheckUtils]: 27: Hoare triple {1196#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1196#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:24,791 INFO L263 TraceCheckUtils]: 28: Hoare triple {1196#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {1044#true} is VALID [2020-07-17 22:20:24,792 INFO L280 TraceCheckUtils]: 29: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:24,792 INFO L280 TraceCheckUtils]: 30: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-17 22:20:24,793 INFO L280 TraceCheckUtils]: 31: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-17 22:20:24,793 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {1044#true} {1196#(<= |fibo1_#in~n| 2)} #59#return; {1196#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:24,794 INFO L280 TraceCheckUtils]: 33: Hoare triple {1196#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1196#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:24,795 INFO L280 TraceCheckUtils]: 34: Hoare triple {1196#(<= |fibo1_#in~n| 2)} assume true; {1196#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:24,796 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {1196#(<= |fibo1_#in~n| 2)} {1126#(<= 5 main_~x~0)} #51#return; {1045#false} is VALID [2020-07-17 22:20:24,797 INFO L280 TraceCheckUtils]: 36: Hoare triple {1045#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {1045#false} is VALID [2020-07-17 22:20:24,797 INFO L280 TraceCheckUtils]: 37: Hoare triple {1045#false} assume 5 != ~result~0; {1045#false} is VALID [2020-07-17 22:20:24,797 INFO L280 TraceCheckUtils]: 38: Hoare triple {1045#false} assume !false; {1045#false} is VALID [2020-07-17 22:20:24,799 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-17 22:20:24,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 22:20:24,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 11 [2020-07-17 22:20:24,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586952890] [2020-07-17 22:20:24,801 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 39 [2020-07-17 22:20:24,803 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:20:24,803 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2020-07-17 22:20:24,870 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 61 edges. 61 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:20:24,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 22:20:24,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:20:24,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 22:20:24,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-07-17 22:20:24,871 INFO L87 Difference]: Start difference. First operand 48 states and 65 transitions. Second operand 11 states. [2020-07-17 22:20:25,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:25,824 INFO L93 Difference]: Finished difference Result 108 states and 170 transitions. [2020-07-17 22:20:25,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-17 22:20:25,824 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 39 [2020-07-17 22:20:25,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:20:25,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-17 22:20:25,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 102 transitions. [2020-07-17 22:20:25,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-17 22:20:25,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 102 transitions. [2020-07-17 22:20:25,834 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 102 transitions. [2020-07-17 22:20:25,971 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 102 edges. 102 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:20:25,976 INFO L225 Difference]: With dead ends: 108 [2020-07-17 22:20:25,976 INFO L226 Difference]: Without dead ends: 66 [2020-07-17 22:20:25,978 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2020-07-17 22:20:25,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-07-17 22:20:26,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2020-07-17 22:20:26,037 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:20:26,038 INFO L82 GeneralOperation]: Start isEquivalent. First operand 66 states. Second operand 66 states. [2020-07-17 22:20:26,038 INFO L74 IsIncluded]: Start isIncluded. First operand 66 states. Second operand 66 states. [2020-07-17 22:20:26,038 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 66 states. [2020-07-17 22:20:26,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:26,044 INFO L93 Difference]: Finished difference Result 66 states and 95 transitions. [2020-07-17 22:20:26,044 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 95 transitions. [2020-07-17 22:20:26,045 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:26,045 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:26,045 INFO L74 IsIncluded]: Start isIncluded. First operand 66 states. Second operand 66 states. [2020-07-17 22:20:26,045 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 66 states. [2020-07-17 22:20:26,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:26,051 INFO L93 Difference]: Finished difference Result 66 states and 95 transitions. [2020-07-17 22:20:26,052 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 95 transitions. [2020-07-17 22:20:26,052 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:26,053 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:26,053 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:20:26,053 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:20:26,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-07-17 22:20:26,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 95 transitions. [2020-07-17 22:20:26,058 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 95 transitions. Word has length 39 [2020-07-17 22:20:26,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:20:26,059 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 95 transitions. [2020-07-17 22:20:26,059 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 22:20:26,059 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 95 transitions. [2020-07-17 22:20:26,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-17 22:20:26,061 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:20:26,061 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] [2020-07-17 22:20:26,275 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:20:26,276 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:20:26,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:20:26,277 INFO L82 PathProgramCache]: Analyzing trace with hash -2100495745, now seen corresponding path program 1 times [2020-07-17 22:20:26,277 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:20:26,278 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936171511] [2020-07-17 22:20:26,278 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:20:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:26,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:26,357 INFO L280 TraceCheckUtils]: 0: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-17 22:20:26,358 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1610#true} {1610#true} #47#return; {1610#true} is VALID [2020-07-17 22:20:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:26,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:26,462 INFO L280 TraceCheckUtils]: 0: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-17 22:20:26,462 INFO L280 TraceCheckUtils]: 1: Hoare triple {1610#true} assume !(~n < 1); {1610#true} is VALID [2020-07-17 22:20:26,462 INFO L280 TraceCheckUtils]: 2: Hoare triple {1610#true} assume 1 == ~n;#res := 1; {1610#true} is VALID [2020-07-17 22:20:26,463 INFO L280 TraceCheckUtils]: 3: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-17 22:20:26,464 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1610#true} {1671#(<= 2 |fibo2_#in~n|)} #53#return; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:26,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:26,470 INFO L280 TraceCheckUtils]: 0: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-17 22:20:26,470 INFO L280 TraceCheckUtils]: 1: Hoare triple {1610#true} assume ~n < 1;#res := 0; {1610#true} is VALID [2020-07-17 22:20:26,470 INFO L280 TraceCheckUtils]: 2: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-17 22:20:26,471 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1610#true} {1671#(<= 2 |fibo2_#in~n|)} #55#return; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:26,472 INFO L280 TraceCheckUtils]: 0: Hoare triple {1610#true} ~n := #in~n; {1669#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:26,473 INFO L280 TraceCheckUtils]: 1: Hoare triple {1669#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {1670#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-17 22:20:26,474 INFO L280 TraceCheckUtils]: 2: Hoare triple {1670#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:26,474 INFO L263 TraceCheckUtils]: 3: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {1610#true} is VALID [2020-07-17 22:20:26,474 INFO L280 TraceCheckUtils]: 4: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-17 22:20:26,475 INFO L280 TraceCheckUtils]: 5: Hoare triple {1610#true} assume !(~n < 1); {1610#true} is VALID [2020-07-17 22:20:26,475 INFO L280 TraceCheckUtils]: 6: Hoare triple {1610#true} assume 1 == ~n;#res := 1; {1610#true} is VALID [2020-07-17 22:20:26,475 INFO L280 TraceCheckUtils]: 7: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-17 22:20:26,476 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1610#true} {1671#(<= 2 |fibo2_#in~n|)} #53#return; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:26,477 INFO L280 TraceCheckUtils]: 9: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:26,477 INFO L263 TraceCheckUtils]: 10: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {1610#true} is VALID [2020-07-17 22:20:26,477 INFO L280 TraceCheckUtils]: 11: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-17 22:20:26,477 INFO L280 TraceCheckUtils]: 12: Hoare triple {1610#true} assume ~n < 1;#res := 0; {1610#true} is VALID [2020-07-17 22:20:26,478 INFO L280 TraceCheckUtils]: 13: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-17 22:20:26,479 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {1610#true} {1671#(<= 2 |fibo2_#in~n|)} #55#return; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:26,479 INFO L280 TraceCheckUtils]: 15: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:26,480 INFO L280 TraceCheckUtils]: 16: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} assume true; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:26,481 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {1671#(<= 2 |fibo2_#in~n|)} {1610#true} #57#return; {1664#(<= 3 fibo1_~n)} is VALID [2020-07-17 22:20:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:26,501 INFO L280 TraceCheckUtils]: 0: Hoare triple {1610#true} ~n := #in~n; {1669#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:26,502 INFO L280 TraceCheckUtils]: 1: Hoare triple {1669#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1;#res := 0; {1681#(<= |fibo2_#in~n| 0)} is VALID [2020-07-17 22:20:26,503 INFO L280 TraceCheckUtils]: 2: Hoare triple {1681#(<= |fibo2_#in~n| 0)} assume true; {1681#(<= |fibo2_#in~n| 0)} is VALID [2020-07-17 22:20:26,504 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1681#(<= |fibo2_#in~n| 0)} {1664#(<= 3 fibo1_~n)} #59#return; {1611#false} is VALID [2020-07-17 22:20:26,505 INFO L280 TraceCheckUtils]: 0: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-17 22:20:26,505 INFO L280 TraceCheckUtils]: 1: Hoare triple {1610#true} assume !(~n < 1); {1610#true} is VALID [2020-07-17 22:20:26,505 INFO L280 TraceCheckUtils]: 2: Hoare triple {1610#true} assume !(1 == ~n); {1610#true} is VALID [2020-07-17 22:20:26,505 INFO L263 TraceCheckUtils]: 3: Hoare triple {1610#true} call #t~ret0 := fibo2(~n - 1); {1610#true} is VALID [2020-07-17 22:20:26,506 INFO L280 TraceCheckUtils]: 4: Hoare triple {1610#true} ~n := #in~n; {1669#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:26,507 INFO L280 TraceCheckUtils]: 5: Hoare triple {1669#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {1670#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-17 22:20:26,508 INFO L280 TraceCheckUtils]: 6: Hoare triple {1670#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:26,508 INFO L263 TraceCheckUtils]: 7: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {1610#true} is VALID [2020-07-17 22:20:26,508 INFO L280 TraceCheckUtils]: 8: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-17 22:20:26,508 INFO L280 TraceCheckUtils]: 9: Hoare triple {1610#true} assume !(~n < 1); {1610#true} is VALID [2020-07-17 22:20:26,509 INFO L280 TraceCheckUtils]: 10: Hoare triple {1610#true} assume 1 == ~n;#res := 1; {1610#true} is VALID [2020-07-17 22:20:26,509 INFO L280 TraceCheckUtils]: 11: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-17 22:20:26,510 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {1610#true} {1671#(<= 2 |fibo2_#in~n|)} #53#return; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:26,511 INFO L280 TraceCheckUtils]: 13: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:26,511 INFO L263 TraceCheckUtils]: 14: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {1610#true} is VALID [2020-07-17 22:20:26,511 INFO L280 TraceCheckUtils]: 15: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-17 22:20:26,511 INFO L280 TraceCheckUtils]: 16: Hoare triple {1610#true} assume ~n < 1;#res := 0; {1610#true} is VALID [2020-07-17 22:20:26,512 INFO L280 TraceCheckUtils]: 17: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-17 22:20:26,513 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {1610#true} {1671#(<= 2 |fibo2_#in~n|)} #55#return; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:26,513 INFO L280 TraceCheckUtils]: 19: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:26,514 INFO L280 TraceCheckUtils]: 20: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} assume true; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:26,515 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {1671#(<= 2 |fibo2_#in~n|)} {1610#true} #57#return; {1664#(<= 3 fibo1_~n)} is VALID [2020-07-17 22:20:26,516 INFO L280 TraceCheckUtils]: 22: Hoare triple {1664#(<= 3 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1664#(<= 3 fibo1_~n)} is VALID [2020-07-17 22:20:26,516 INFO L263 TraceCheckUtils]: 23: Hoare triple {1664#(<= 3 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {1610#true} is VALID [2020-07-17 22:20:26,517 INFO L280 TraceCheckUtils]: 24: Hoare triple {1610#true} ~n := #in~n; {1669#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:26,518 INFO L280 TraceCheckUtils]: 25: Hoare triple {1669#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1;#res := 0; {1681#(<= |fibo2_#in~n| 0)} is VALID [2020-07-17 22:20:26,518 INFO L280 TraceCheckUtils]: 26: Hoare triple {1681#(<= |fibo2_#in~n| 0)} assume true; {1681#(<= |fibo2_#in~n| 0)} is VALID [2020-07-17 22:20:26,519 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {1681#(<= |fibo2_#in~n| 0)} {1664#(<= 3 fibo1_~n)} #59#return; {1611#false} is VALID [2020-07-17 22:20:26,520 INFO L280 TraceCheckUtils]: 28: Hoare triple {1611#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1611#false} is VALID [2020-07-17 22:20:26,520 INFO L280 TraceCheckUtils]: 29: Hoare triple {1611#false} assume true; {1611#false} is VALID [2020-07-17 22:20:26,520 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {1611#false} {1614#(<= 5 main_~x~0)} #51#return; {1611#false} is VALID [2020-07-17 22:20:26,521 INFO L263 TraceCheckUtils]: 0: Hoare triple {1610#true} call ULTIMATE.init(); {1610#true} is VALID [2020-07-17 22:20:26,522 INFO L280 TraceCheckUtils]: 1: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-17 22:20:26,522 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1610#true} {1610#true} #47#return; {1610#true} is VALID [2020-07-17 22:20:26,522 INFO L263 TraceCheckUtils]: 3: Hoare triple {1610#true} call #t~ret5 := main(); {1610#true} is VALID [2020-07-17 22:20:26,523 INFO L280 TraceCheckUtils]: 4: Hoare triple {1610#true} ~x~0 := 5; {1614#(<= 5 main_~x~0)} is VALID [2020-07-17 22:20:26,523 INFO L263 TraceCheckUtils]: 5: Hoare triple {1614#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {1610#true} is VALID [2020-07-17 22:20:26,523 INFO L280 TraceCheckUtils]: 6: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-17 22:20:26,523 INFO L280 TraceCheckUtils]: 7: Hoare triple {1610#true} assume !(~n < 1); {1610#true} is VALID [2020-07-17 22:20:26,524 INFO L280 TraceCheckUtils]: 8: Hoare triple {1610#true} assume !(1 == ~n); {1610#true} is VALID [2020-07-17 22:20:26,524 INFO L263 TraceCheckUtils]: 9: Hoare triple {1610#true} call #t~ret0 := fibo2(~n - 1); {1610#true} is VALID [2020-07-17 22:20:26,524 INFO L280 TraceCheckUtils]: 10: Hoare triple {1610#true} ~n := #in~n; {1669#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:26,525 INFO L280 TraceCheckUtils]: 11: Hoare triple {1669#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {1670#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-17 22:20:26,526 INFO L280 TraceCheckUtils]: 12: Hoare triple {1670#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:26,526 INFO L263 TraceCheckUtils]: 13: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {1610#true} is VALID [2020-07-17 22:20:26,527 INFO L280 TraceCheckUtils]: 14: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-17 22:20:26,527 INFO L280 TraceCheckUtils]: 15: Hoare triple {1610#true} assume !(~n < 1); {1610#true} is VALID [2020-07-17 22:20:26,527 INFO L280 TraceCheckUtils]: 16: Hoare triple {1610#true} assume 1 == ~n;#res := 1; {1610#true} is VALID [2020-07-17 22:20:26,527 INFO L280 TraceCheckUtils]: 17: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-17 22:20:26,528 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {1610#true} {1671#(<= 2 |fibo2_#in~n|)} #53#return; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:26,529 INFO L280 TraceCheckUtils]: 19: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:26,529 INFO L263 TraceCheckUtils]: 20: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {1610#true} is VALID [2020-07-17 22:20:26,529 INFO L280 TraceCheckUtils]: 21: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-17 22:20:26,529 INFO L280 TraceCheckUtils]: 22: Hoare triple {1610#true} assume ~n < 1;#res := 0; {1610#true} is VALID [2020-07-17 22:20:26,530 INFO L280 TraceCheckUtils]: 23: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-17 22:20:26,531 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {1610#true} {1671#(<= 2 |fibo2_#in~n|)} #55#return; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:26,532 INFO L280 TraceCheckUtils]: 25: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:26,532 INFO L280 TraceCheckUtils]: 26: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} assume true; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:26,534 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {1671#(<= 2 |fibo2_#in~n|)} {1610#true} #57#return; {1664#(<= 3 fibo1_~n)} is VALID [2020-07-17 22:20:26,535 INFO L280 TraceCheckUtils]: 28: Hoare triple {1664#(<= 3 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1664#(<= 3 fibo1_~n)} is VALID [2020-07-17 22:20:26,535 INFO L263 TraceCheckUtils]: 29: Hoare triple {1664#(<= 3 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {1610#true} is VALID [2020-07-17 22:20:26,536 INFO L280 TraceCheckUtils]: 30: Hoare triple {1610#true} ~n := #in~n; {1669#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:26,537 INFO L280 TraceCheckUtils]: 31: Hoare triple {1669#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1;#res := 0; {1681#(<= |fibo2_#in~n| 0)} is VALID [2020-07-17 22:20:26,537 INFO L280 TraceCheckUtils]: 32: Hoare triple {1681#(<= |fibo2_#in~n| 0)} assume true; {1681#(<= |fibo2_#in~n| 0)} is VALID [2020-07-17 22:20:26,538 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {1681#(<= |fibo2_#in~n| 0)} {1664#(<= 3 fibo1_~n)} #59#return; {1611#false} is VALID [2020-07-17 22:20:26,539 INFO L280 TraceCheckUtils]: 34: Hoare triple {1611#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1611#false} is VALID [2020-07-17 22:20:26,539 INFO L280 TraceCheckUtils]: 35: Hoare triple {1611#false} assume true; {1611#false} is VALID [2020-07-17 22:20:26,539 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {1611#false} {1614#(<= 5 main_~x~0)} #51#return; {1611#false} is VALID [2020-07-17 22:20:26,539 INFO L280 TraceCheckUtils]: 37: Hoare triple {1611#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {1611#false} is VALID [2020-07-17 22:20:26,539 INFO L280 TraceCheckUtils]: 38: Hoare triple {1611#false} assume 5 != ~result~0; {1611#false} is VALID [2020-07-17 22:20:26,540 INFO L280 TraceCheckUtils]: 39: Hoare triple {1611#false} assume !false; {1611#false} is VALID [2020-07-17 22:20:26,542 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-17 22:20:26,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936171511] [2020-07-17 22:20:26,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1777803334] [2020-07-17 22:20:26,543 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:20:26,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:26,581 INFO L264 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-17 22:20:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:26,594 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 22:20:26,759 INFO L263 TraceCheckUtils]: 0: Hoare triple {1610#true} call ULTIMATE.init(); {1610#true} is VALID [2020-07-17 22:20:26,759 INFO L280 TraceCheckUtils]: 1: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-17 22:20:26,760 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1610#true} {1610#true} #47#return; {1610#true} is VALID [2020-07-17 22:20:26,760 INFO L263 TraceCheckUtils]: 3: Hoare triple {1610#true} call #t~ret5 := main(); {1610#true} is VALID [2020-07-17 22:20:26,761 INFO L280 TraceCheckUtils]: 4: Hoare triple {1610#true} ~x~0 := 5; {1614#(<= 5 main_~x~0)} is VALID [2020-07-17 22:20:26,761 INFO L263 TraceCheckUtils]: 5: Hoare triple {1614#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {1610#true} is VALID [2020-07-17 22:20:26,762 INFO L280 TraceCheckUtils]: 6: Hoare triple {1610#true} ~n := #in~n; {1703#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:26,762 INFO L280 TraceCheckUtils]: 7: Hoare triple {1703#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {1703#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:26,763 INFO L280 TraceCheckUtils]: 8: Hoare triple {1703#(<= |fibo1_#in~n| fibo1_~n)} assume !(1 == ~n); {1703#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:26,763 INFO L263 TraceCheckUtils]: 9: Hoare triple {1703#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {1610#true} is VALID [2020-07-17 22:20:26,764 INFO L280 TraceCheckUtils]: 10: Hoare triple {1610#true} ~n := #in~n; {1716#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:26,764 INFO L280 TraceCheckUtils]: 11: Hoare triple {1716#(<= |fibo2_#in~n| fibo2_~n)} assume !(~n < 1); {1716#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:26,766 INFO L280 TraceCheckUtils]: 12: Hoare triple {1716#(<= |fibo2_#in~n| fibo2_~n)} assume !(1 == ~n); {1716#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:26,766 INFO L263 TraceCheckUtils]: 13: Hoare triple {1716#(<= |fibo2_#in~n| fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {1610#true} is VALID [2020-07-17 22:20:26,767 INFO L280 TraceCheckUtils]: 14: Hoare triple {1610#true} ~n := #in~n; {1703#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:26,767 INFO L280 TraceCheckUtils]: 15: Hoare triple {1703#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {1703#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:26,768 INFO L280 TraceCheckUtils]: 16: Hoare triple {1703#(<= |fibo1_#in~n| fibo1_~n)} assume 1 == ~n;#res := 1; {1735#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:26,768 INFO L280 TraceCheckUtils]: 17: Hoare triple {1735#(<= |fibo1_#in~n| 1)} assume true; {1735#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:26,770 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {1735#(<= |fibo1_#in~n| 1)} {1716#(<= |fibo2_#in~n| fibo2_~n)} #53#return; {1742#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:26,770 INFO L280 TraceCheckUtils]: 19: Hoare triple {1742#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1742#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:26,771 INFO L263 TraceCheckUtils]: 20: Hoare triple {1742#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {1610#true} is VALID [2020-07-17 22:20:26,771 INFO L280 TraceCheckUtils]: 21: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-17 22:20:26,771 INFO L280 TraceCheckUtils]: 22: Hoare triple {1610#true} assume ~n < 1;#res := 0; {1610#true} is VALID [2020-07-17 22:20:26,771 INFO L280 TraceCheckUtils]: 23: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-17 22:20:26,772 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {1610#true} {1742#(<= |fibo2_#in~n| 2)} #55#return; {1742#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:26,773 INFO L280 TraceCheckUtils]: 25: Hoare triple {1742#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {1742#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:26,773 INFO L280 TraceCheckUtils]: 26: Hoare triple {1742#(<= |fibo2_#in~n| 2)} assume true; {1742#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:26,775 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {1742#(<= |fibo2_#in~n| 2)} {1703#(<= |fibo1_#in~n| fibo1_~n)} #57#return; {1770#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:26,776 INFO L280 TraceCheckUtils]: 28: Hoare triple {1770#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1770#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:26,776 INFO L263 TraceCheckUtils]: 29: Hoare triple {1770#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {1610#true} is VALID [2020-07-17 22:20:26,776 INFO L280 TraceCheckUtils]: 30: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-17 22:20:26,776 INFO L280 TraceCheckUtils]: 31: Hoare triple {1610#true} assume ~n < 1;#res := 0; {1610#true} is VALID [2020-07-17 22:20:26,777 INFO L280 TraceCheckUtils]: 32: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-17 22:20:26,778 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {1610#true} {1770#(<= |fibo1_#in~n| 3)} #59#return; {1770#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:26,778 INFO L280 TraceCheckUtils]: 34: Hoare triple {1770#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1770#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:26,779 INFO L280 TraceCheckUtils]: 35: Hoare triple {1770#(<= |fibo1_#in~n| 3)} assume true; {1770#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:26,780 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {1770#(<= |fibo1_#in~n| 3)} {1614#(<= 5 main_~x~0)} #51#return; {1611#false} is VALID [2020-07-17 22:20:26,780 INFO L280 TraceCheckUtils]: 37: Hoare triple {1611#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {1611#false} is VALID [2020-07-17 22:20:26,780 INFO L280 TraceCheckUtils]: 38: Hoare triple {1611#false} assume 5 != ~result~0; {1611#false} is VALID [2020-07-17 22:20:26,781 INFO L280 TraceCheckUtils]: 39: Hoare triple {1611#false} assume !false; {1611#false} is VALID [2020-07-17 22:20:26,782 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-17 22:20:26,783 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 22:20:26,783 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2020-07-17 22:20:26,783 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266124092] [2020-07-17 22:20:26,784 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 40 [2020-07-17 22:20:26,785 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:20:26,786 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states. [2020-07-17 22:20:26,852 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 61 edges. 61 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:20:26,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-17 22:20:26,853 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:20:26,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-17 22:20:26,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-07-17 22:20:26,854 INFO L87 Difference]: Start difference. First operand 66 states and 95 transitions. Second operand 13 states. [2020-07-17 22:20:28,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:28,460 INFO L93 Difference]: Finished difference Result 180 states and 324 transitions. [2020-07-17 22:20:28,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-17 22:20:28,460 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 40 [2020-07-17 22:20:28,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:20:28,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-07-17 22:20:28,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 133 transitions. [2020-07-17 22:20:28,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-07-17 22:20:28,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 133 transitions. [2020-07-17 22:20:28,472 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states and 133 transitions. [2020-07-17 22:20:28,645 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 133 edges. 133 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:20:28,658 INFO L225 Difference]: With dead ends: 180 [2020-07-17 22:20:28,659 INFO L226 Difference]: Without dead ends: 120 [2020-07-17 22:20:28,664 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=376, Unknown=0, NotChecked=0, Total=462 [2020-07-17 22:20:28,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-07-17 22:20:28,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 106. [2020-07-17 22:20:28,749 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:20:28,749 INFO L82 GeneralOperation]: Start isEquivalent. First operand 120 states. Second operand 106 states. [2020-07-17 22:20:28,750 INFO L74 IsIncluded]: Start isIncluded. First operand 120 states. Second operand 106 states. [2020-07-17 22:20:28,750 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 106 states. [2020-07-17 22:20:28,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:28,760 INFO L93 Difference]: Finished difference Result 120 states and 198 transitions. [2020-07-17 22:20:28,761 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 198 transitions. [2020-07-17 22:20:28,762 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:28,762 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:28,763 INFO L74 IsIncluded]: Start isIncluded. First operand 106 states. Second operand 120 states. [2020-07-17 22:20:28,763 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 120 states. [2020-07-17 22:20:28,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:28,773 INFO L93 Difference]: Finished difference Result 120 states and 198 transitions. [2020-07-17 22:20:28,773 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 198 transitions. [2020-07-17 22:20:28,775 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:28,775 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:28,775 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:20:28,776 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:20:28,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-07-17 22:20:28,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 169 transitions. [2020-07-17 22:20:28,784 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 169 transitions. Word has length 40 [2020-07-17 22:20:28,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:20:28,784 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 169 transitions. [2020-07-17 22:20:28,784 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-17 22:20:28,784 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 169 transitions. [2020-07-17 22:20:28,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-07-17 22:20:28,786 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:20:28,786 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 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] [2020-07-17 22:20:29,000 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:20:29,001 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:20:29,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:20:29,001 INFO L82 PathProgramCache]: Analyzing trace with hash -405677468, now seen corresponding path program 1 times [2020-07-17 22:20:29,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:20:29,002 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661806635] [2020-07-17 22:20:29,002 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:20:29,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:29,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:29,044 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:29,044 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2439#true} {2439#true} #47#return; {2439#true} is VALID [2020-07-17 22:20:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:29,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:29,154 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:29,154 INFO L280 TraceCheckUtils]: 1: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:29,154 INFO L280 TraceCheckUtils]: 2: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-17 22:20:29,155 INFO L280 TraceCheckUtils]: 3: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:29,156 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2439#true} {2550#(<= 2 |fibo1_#in~n|)} #57#return; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:29,161 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:29,161 INFO L280 TraceCheckUtils]: 1: Hoare triple {2439#true} assume ~n < 1;#res := 0; {2439#true} is VALID [2020-07-17 22:20:29,162 INFO L280 TraceCheckUtils]: 2: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:29,163 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2439#true} {2550#(<= 2 |fibo1_#in~n|)} #59#return; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:29,163 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:29,164 INFO L280 TraceCheckUtils]: 1: Hoare triple {2548#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {2549#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-17 22:20:29,165 INFO L280 TraceCheckUtils]: 2: Hoare triple {2549#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:29,166 INFO L263 TraceCheckUtils]: 3: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {2439#true} is VALID [2020-07-17 22:20:29,166 INFO L280 TraceCheckUtils]: 4: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:29,166 INFO L280 TraceCheckUtils]: 5: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:29,166 INFO L280 TraceCheckUtils]: 6: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-17 22:20:29,167 INFO L280 TraceCheckUtils]: 7: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:29,168 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {2439#true} {2550#(<= 2 |fibo1_#in~n|)} #57#return; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:29,168 INFO L280 TraceCheckUtils]: 9: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:29,168 INFO L263 TraceCheckUtils]: 10: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-17 22:20:29,169 INFO L280 TraceCheckUtils]: 11: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:29,169 INFO L280 TraceCheckUtils]: 12: Hoare triple {2439#true} assume ~n < 1;#res := 0; {2439#true} is VALID [2020-07-17 22:20:29,169 INFO L280 TraceCheckUtils]: 13: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:29,170 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {2439#true} {2550#(<= 2 |fibo1_#in~n|)} #59#return; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:29,171 INFO L280 TraceCheckUtils]: 15: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:29,172 INFO L280 TraceCheckUtils]: 16: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} assume true; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:29,173 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {2550#(<= 2 |fibo1_#in~n|)} {2439#true} #53#return; {2543#(<= 3 fibo2_~n)} is VALID [2020-07-17 22:20:29,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:29,191 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:29,192 INFO L280 TraceCheckUtils]: 1: Hoare triple {2548#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1;#res := 0; {2560#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:29,197 INFO L280 TraceCheckUtils]: 2: Hoare triple {2560#(<= |fibo1_#in~n| 0)} assume true; {2560#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:29,204 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2560#(<= |fibo1_#in~n| 0)} {2543#(<= 3 fibo2_~n)} #55#return; {2440#false} is VALID [2020-07-17 22:20:29,205 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:29,205 INFO L280 TraceCheckUtils]: 1: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:29,206 INFO L280 TraceCheckUtils]: 2: Hoare triple {2439#true} assume !(1 == ~n); {2439#true} is VALID [2020-07-17 22:20:29,206 INFO L263 TraceCheckUtils]: 3: Hoare triple {2439#true} call #t~ret2 := fibo1(~n - 1); {2439#true} is VALID [2020-07-17 22:20:29,211 INFO L280 TraceCheckUtils]: 4: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:29,212 INFO L280 TraceCheckUtils]: 5: Hoare triple {2548#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {2549#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-17 22:20:29,213 INFO L280 TraceCheckUtils]: 6: Hoare triple {2549#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:29,214 INFO L263 TraceCheckUtils]: 7: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {2439#true} is VALID [2020-07-17 22:20:29,214 INFO L280 TraceCheckUtils]: 8: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:29,214 INFO L280 TraceCheckUtils]: 9: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:29,214 INFO L280 TraceCheckUtils]: 10: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-17 22:20:29,214 INFO L280 TraceCheckUtils]: 11: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:29,215 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {2439#true} {2550#(<= 2 |fibo1_#in~n|)} #57#return; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:29,216 INFO L280 TraceCheckUtils]: 13: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:29,216 INFO L263 TraceCheckUtils]: 14: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-17 22:20:29,216 INFO L280 TraceCheckUtils]: 15: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:29,217 INFO L280 TraceCheckUtils]: 16: Hoare triple {2439#true} assume ~n < 1;#res := 0; {2439#true} is VALID [2020-07-17 22:20:29,217 INFO L280 TraceCheckUtils]: 17: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:29,218 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {2439#true} {2550#(<= 2 |fibo1_#in~n|)} #59#return; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:29,218 INFO L280 TraceCheckUtils]: 19: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:29,219 INFO L280 TraceCheckUtils]: 20: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} assume true; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:29,220 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {2550#(<= 2 |fibo1_#in~n|)} {2439#true} #53#return; {2543#(<= 3 fibo2_~n)} is VALID [2020-07-17 22:20:29,220 INFO L280 TraceCheckUtils]: 22: Hoare triple {2543#(<= 3 fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {2543#(<= 3 fibo2_~n)} is VALID [2020-07-17 22:20:29,221 INFO L263 TraceCheckUtils]: 23: Hoare triple {2543#(<= 3 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {2439#true} is VALID [2020-07-17 22:20:29,221 INFO L280 TraceCheckUtils]: 24: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:29,222 INFO L280 TraceCheckUtils]: 25: Hoare triple {2548#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1;#res := 0; {2560#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:29,223 INFO L280 TraceCheckUtils]: 26: Hoare triple {2560#(<= |fibo1_#in~n| 0)} assume true; {2560#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:29,224 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {2560#(<= |fibo1_#in~n| 0)} {2543#(<= 3 fibo2_~n)} #55#return; {2440#false} is VALID [2020-07-17 22:20:29,224 INFO L280 TraceCheckUtils]: 28: Hoare triple {2440#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {2440#false} is VALID [2020-07-17 22:20:29,224 INFO L280 TraceCheckUtils]: 29: Hoare triple {2440#false} assume true; {2440#false} is VALID [2020-07-17 22:20:29,225 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {2440#false} {2439#true} #57#return; {2440#false} is VALID [2020-07-17 22:20:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:29,231 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:29,232 INFO L280 TraceCheckUtils]: 1: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:29,232 INFO L280 TraceCheckUtils]: 2: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-17 22:20:29,232 INFO L280 TraceCheckUtils]: 3: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:29,232 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2439#true} {2440#false} #59#return; {2440#false} is VALID [2020-07-17 22:20:29,233 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:29,233 INFO L280 TraceCheckUtils]: 1: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:29,233 INFO L280 TraceCheckUtils]: 2: Hoare triple {2439#true} assume !(1 == ~n); {2439#true} is VALID [2020-07-17 22:20:29,233 INFO L263 TraceCheckUtils]: 3: Hoare triple {2439#true} call #t~ret0 := fibo2(~n - 1); {2439#true} is VALID [2020-07-17 22:20:29,234 INFO L280 TraceCheckUtils]: 4: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:29,234 INFO L280 TraceCheckUtils]: 5: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:29,234 INFO L280 TraceCheckUtils]: 6: Hoare triple {2439#true} assume !(1 == ~n); {2439#true} is VALID [2020-07-17 22:20:29,234 INFO L263 TraceCheckUtils]: 7: Hoare triple {2439#true} call #t~ret2 := fibo1(~n - 1); {2439#true} is VALID [2020-07-17 22:20:29,235 INFO L280 TraceCheckUtils]: 8: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:29,236 INFO L280 TraceCheckUtils]: 9: Hoare triple {2548#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {2549#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-17 22:20:29,237 INFO L280 TraceCheckUtils]: 10: Hoare triple {2549#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:29,237 INFO L263 TraceCheckUtils]: 11: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {2439#true} is VALID [2020-07-17 22:20:29,237 INFO L280 TraceCheckUtils]: 12: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:29,237 INFO L280 TraceCheckUtils]: 13: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:29,238 INFO L280 TraceCheckUtils]: 14: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-17 22:20:29,238 INFO L280 TraceCheckUtils]: 15: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:29,239 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {2439#true} {2550#(<= 2 |fibo1_#in~n|)} #57#return; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:29,239 INFO L280 TraceCheckUtils]: 17: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:29,240 INFO L263 TraceCheckUtils]: 18: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-17 22:20:29,240 INFO L280 TraceCheckUtils]: 19: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:29,240 INFO L280 TraceCheckUtils]: 20: Hoare triple {2439#true} assume ~n < 1;#res := 0; {2439#true} is VALID [2020-07-17 22:20:29,241 INFO L280 TraceCheckUtils]: 21: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:29,241 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {2439#true} {2550#(<= 2 |fibo1_#in~n|)} #59#return; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:29,242 INFO L280 TraceCheckUtils]: 23: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:29,243 INFO L280 TraceCheckUtils]: 24: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} assume true; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:29,244 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {2550#(<= 2 |fibo1_#in~n|)} {2439#true} #53#return; {2543#(<= 3 fibo2_~n)} is VALID [2020-07-17 22:20:29,244 INFO L280 TraceCheckUtils]: 26: Hoare triple {2543#(<= 3 fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {2543#(<= 3 fibo2_~n)} is VALID [2020-07-17 22:20:29,245 INFO L263 TraceCheckUtils]: 27: Hoare triple {2543#(<= 3 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {2439#true} is VALID [2020-07-17 22:20:29,245 INFO L280 TraceCheckUtils]: 28: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:29,246 INFO L280 TraceCheckUtils]: 29: Hoare triple {2548#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1;#res := 0; {2560#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:29,247 INFO L280 TraceCheckUtils]: 30: Hoare triple {2560#(<= |fibo1_#in~n| 0)} assume true; {2560#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:29,248 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {2560#(<= |fibo1_#in~n| 0)} {2543#(<= 3 fibo2_~n)} #55#return; {2440#false} is VALID [2020-07-17 22:20:29,248 INFO L280 TraceCheckUtils]: 32: Hoare triple {2440#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {2440#false} is VALID [2020-07-17 22:20:29,248 INFO L280 TraceCheckUtils]: 33: Hoare triple {2440#false} assume true; {2440#false} is VALID [2020-07-17 22:20:29,248 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {2440#false} {2439#true} #57#return; {2440#false} is VALID [2020-07-17 22:20:29,249 INFO L280 TraceCheckUtils]: 35: Hoare triple {2440#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2440#false} is VALID [2020-07-17 22:20:29,249 INFO L263 TraceCheckUtils]: 36: Hoare triple {2440#false} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-17 22:20:29,249 INFO L280 TraceCheckUtils]: 37: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:29,249 INFO L280 TraceCheckUtils]: 38: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:29,249 INFO L280 TraceCheckUtils]: 39: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-17 22:20:29,250 INFO L280 TraceCheckUtils]: 40: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:29,250 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {2439#true} {2440#false} #59#return; {2440#false} is VALID [2020-07-17 22:20:29,250 INFO L280 TraceCheckUtils]: 42: Hoare triple {2440#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2440#false} is VALID [2020-07-17 22:20:29,250 INFO L280 TraceCheckUtils]: 43: Hoare triple {2440#false} assume true; {2440#false} is VALID [2020-07-17 22:20:29,251 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {2440#false} {2443#(<= 5 main_~x~0)} #51#return; {2440#false} is VALID [2020-07-17 22:20:29,253 INFO L263 TraceCheckUtils]: 0: Hoare triple {2439#true} call ULTIMATE.init(); {2439#true} is VALID [2020-07-17 22:20:29,253 INFO L280 TraceCheckUtils]: 1: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:29,253 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2439#true} {2439#true} #47#return; {2439#true} is VALID [2020-07-17 22:20:29,253 INFO L263 TraceCheckUtils]: 3: Hoare triple {2439#true} call #t~ret5 := main(); {2439#true} is VALID [2020-07-17 22:20:29,255 INFO L280 TraceCheckUtils]: 4: Hoare triple {2439#true} ~x~0 := 5; {2443#(<= 5 main_~x~0)} is VALID [2020-07-17 22:20:29,255 INFO L263 TraceCheckUtils]: 5: Hoare triple {2443#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {2439#true} is VALID [2020-07-17 22:20:29,255 INFO L280 TraceCheckUtils]: 6: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:29,255 INFO L280 TraceCheckUtils]: 7: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:29,255 INFO L280 TraceCheckUtils]: 8: Hoare triple {2439#true} assume !(1 == ~n); {2439#true} is VALID [2020-07-17 22:20:29,256 INFO L263 TraceCheckUtils]: 9: Hoare triple {2439#true} call #t~ret0 := fibo2(~n - 1); {2439#true} is VALID [2020-07-17 22:20:29,256 INFO L280 TraceCheckUtils]: 10: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:29,256 INFO L280 TraceCheckUtils]: 11: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:29,256 INFO L280 TraceCheckUtils]: 12: Hoare triple {2439#true} assume !(1 == ~n); {2439#true} is VALID [2020-07-17 22:20:29,256 INFO L263 TraceCheckUtils]: 13: Hoare triple {2439#true} call #t~ret2 := fibo1(~n - 1); {2439#true} is VALID [2020-07-17 22:20:29,257 INFO L280 TraceCheckUtils]: 14: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:29,258 INFO L280 TraceCheckUtils]: 15: Hoare triple {2548#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {2549#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-17 22:20:29,258 INFO L280 TraceCheckUtils]: 16: Hoare triple {2549#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:29,259 INFO L263 TraceCheckUtils]: 17: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {2439#true} is VALID [2020-07-17 22:20:29,259 INFO L280 TraceCheckUtils]: 18: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:29,259 INFO L280 TraceCheckUtils]: 19: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:29,259 INFO L280 TraceCheckUtils]: 20: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-17 22:20:29,259 INFO L280 TraceCheckUtils]: 21: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:29,260 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {2439#true} {2550#(<= 2 |fibo1_#in~n|)} #57#return; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:29,261 INFO L280 TraceCheckUtils]: 23: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:29,261 INFO L263 TraceCheckUtils]: 24: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-17 22:20:29,261 INFO L280 TraceCheckUtils]: 25: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:29,261 INFO L280 TraceCheckUtils]: 26: Hoare triple {2439#true} assume ~n < 1;#res := 0; {2439#true} is VALID [2020-07-17 22:20:29,261 INFO L280 TraceCheckUtils]: 27: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:29,262 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {2439#true} {2550#(<= 2 |fibo1_#in~n|)} #59#return; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:29,263 INFO L280 TraceCheckUtils]: 29: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:29,263 INFO L280 TraceCheckUtils]: 30: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} assume true; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:29,264 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {2550#(<= 2 |fibo1_#in~n|)} {2439#true} #53#return; {2543#(<= 3 fibo2_~n)} is VALID [2020-07-17 22:20:29,265 INFO L280 TraceCheckUtils]: 32: Hoare triple {2543#(<= 3 fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {2543#(<= 3 fibo2_~n)} is VALID [2020-07-17 22:20:29,265 INFO L263 TraceCheckUtils]: 33: Hoare triple {2543#(<= 3 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {2439#true} is VALID [2020-07-17 22:20:29,265 INFO L280 TraceCheckUtils]: 34: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:29,266 INFO L280 TraceCheckUtils]: 35: Hoare triple {2548#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1;#res := 0; {2560#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:29,267 INFO L280 TraceCheckUtils]: 36: Hoare triple {2560#(<= |fibo1_#in~n| 0)} assume true; {2560#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:29,267 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {2560#(<= |fibo1_#in~n| 0)} {2543#(<= 3 fibo2_~n)} #55#return; {2440#false} is VALID [2020-07-17 22:20:29,268 INFO L280 TraceCheckUtils]: 38: Hoare triple {2440#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {2440#false} is VALID [2020-07-17 22:20:29,268 INFO L280 TraceCheckUtils]: 39: Hoare triple {2440#false} assume true; {2440#false} is VALID [2020-07-17 22:20:29,268 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {2440#false} {2439#true} #57#return; {2440#false} is VALID [2020-07-17 22:20:29,268 INFO L280 TraceCheckUtils]: 41: Hoare triple {2440#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2440#false} is VALID [2020-07-17 22:20:29,268 INFO L263 TraceCheckUtils]: 42: Hoare triple {2440#false} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-17 22:20:29,269 INFO L280 TraceCheckUtils]: 43: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:29,269 INFO L280 TraceCheckUtils]: 44: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:29,269 INFO L280 TraceCheckUtils]: 45: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-17 22:20:29,269 INFO L280 TraceCheckUtils]: 46: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:29,269 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {2439#true} {2440#false} #59#return; {2440#false} is VALID [2020-07-17 22:20:29,270 INFO L280 TraceCheckUtils]: 48: Hoare triple {2440#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2440#false} is VALID [2020-07-17 22:20:29,270 INFO L280 TraceCheckUtils]: 49: Hoare triple {2440#false} assume true; {2440#false} is VALID [2020-07-17 22:20:29,270 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {2440#false} {2443#(<= 5 main_~x~0)} #51#return; {2440#false} is VALID [2020-07-17 22:20:29,275 INFO L280 TraceCheckUtils]: 51: Hoare triple {2440#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {2440#false} is VALID [2020-07-17 22:20:29,276 INFO L280 TraceCheckUtils]: 52: Hoare triple {2440#false} assume 5 != ~result~0; {2440#false} is VALID [2020-07-17 22:20:29,276 INFO L280 TraceCheckUtils]: 53: Hoare triple {2440#false} assume !false; {2440#false} is VALID [2020-07-17 22:20:29,281 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-07-17 22:20:29,282 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661806635] [2020-07-17 22:20:29,282 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958111872] [2020-07-17 22:20:29,282 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2020-07-17 22:20:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:20:29,338 INFO L264 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-17 22:20:29,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:29,353 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 22:20:29,570 INFO L263 TraceCheckUtils]: 0: Hoare triple {2439#true} call ULTIMATE.init(); {2439#true} is VALID [2020-07-17 22:20:29,570 INFO L280 TraceCheckUtils]: 1: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:29,570 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2439#true} {2439#true} #47#return; {2439#true} is VALID [2020-07-17 22:20:29,571 INFO L263 TraceCheckUtils]: 3: Hoare triple {2439#true} call #t~ret5 := main(); {2439#true} is VALID [2020-07-17 22:20:29,572 INFO L280 TraceCheckUtils]: 4: Hoare triple {2439#true} ~x~0 := 5; {2443#(<= 5 main_~x~0)} is VALID [2020-07-17 22:20:29,572 INFO L263 TraceCheckUtils]: 5: Hoare triple {2443#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {2439#true} is VALID [2020-07-17 22:20:29,574 INFO L280 TraceCheckUtils]: 6: Hoare triple {2439#true} ~n := #in~n; {2582#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:29,574 INFO L280 TraceCheckUtils]: 7: Hoare triple {2582#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {2582#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:29,575 INFO L280 TraceCheckUtils]: 8: Hoare triple {2582#(<= |fibo1_#in~n| fibo1_~n)} assume !(1 == ~n); {2582#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:29,576 INFO L263 TraceCheckUtils]: 9: Hoare triple {2582#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {2439#true} is VALID [2020-07-17 22:20:29,576 INFO L280 TraceCheckUtils]: 10: Hoare triple {2439#true} ~n := #in~n; {2595#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:29,577 INFO L280 TraceCheckUtils]: 11: Hoare triple {2595#(<= |fibo2_#in~n| fibo2_~n)} assume !(~n < 1); {2595#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:29,577 INFO L280 TraceCheckUtils]: 12: Hoare triple {2595#(<= |fibo2_#in~n| fibo2_~n)} assume !(1 == ~n); {2595#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:29,578 INFO L263 TraceCheckUtils]: 13: Hoare triple {2595#(<= |fibo2_#in~n| fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {2439#true} is VALID [2020-07-17 22:20:29,578 INFO L280 TraceCheckUtils]: 14: Hoare triple {2439#true} ~n := #in~n; {2582#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:29,579 INFO L280 TraceCheckUtils]: 15: Hoare triple {2582#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {2582#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:29,579 INFO L280 TraceCheckUtils]: 16: Hoare triple {2582#(<= |fibo1_#in~n| fibo1_~n)} assume !(1 == ~n); {2582#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:29,580 INFO L263 TraceCheckUtils]: 17: Hoare triple {2582#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {2439#true} is VALID [2020-07-17 22:20:29,580 INFO L280 TraceCheckUtils]: 18: Hoare triple {2439#true} ~n := #in~n; {2595#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:29,581 INFO L280 TraceCheckUtils]: 19: Hoare triple {2595#(<= |fibo2_#in~n| fibo2_~n)} assume !(~n < 1); {2595#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:29,582 INFO L280 TraceCheckUtils]: 20: Hoare triple {2595#(<= |fibo2_#in~n| fibo2_~n)} assume 1 == ~n;#res := 1; {2626#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:29,583 INFO L280 TraceCheckUtils]: 21: Hoare triple {2626#(<= |fibo2_#in~n| 1)} assume true; {2626#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:29,585 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {2626#(<= |fibo2_#in~n| 1)} {2582#(<= |fibo1_#in~n| fibo1_~n)} #57#return; {2633#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:29,586 INFO L280 TraceCheckUtils]: 23: Hoare triple {2633#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2633#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:29,586 INFO L263 TraceCheckUtils]: 24: Hoare triple {2633#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-17 22:20:29,586 INFO L280 TraceCheckUtils]: 25: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:29,586 INFO L280 TraceCheckUtils]: 26: Hoare triple {2439#true} assume ~n < 1;#res := 0; {2439#true} is VALID [2020-07-17 22:20:29,587 INFO L280 TraceCheckUtils]: 27: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:29,587 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {2439#true} {2633#(<= |fibo1_#in~n| 2)} #59#return; {2633#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:29,588 INFO L280 TraceCheckUtils]: 29: Hoare triple {2633#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2633#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:29,589 INFO L280 TraceCheckUtils]: 30: Hoare triple {2633#(<= |fibo1_#in~n| 2)} assume true; {2633#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:29,590 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {2633#(<= |fibo1_#in~n| 2)} {2595#(<= |fibo2_#in~n| fibo2_~n)} #53#return; {2661#(<= |fibo2_#in~n| 3)} is VALID [2020-07-17 22:20:29,590 INFO L280 TraceCheckUtils]: 32: Hoare triple {2661#(<= |fibo2_#in~n| 3)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {2661#(<= |fibo2_#in~n| 3)} is VALID [2020-07-17 22:20:29,591 INFO L263 TraceCheckUtils]: 33: Hoare triple {2661#(<= |fibo2_#in~n| 3)} call #t~ret3 := fibo1(~n - 2); {2439#true} is VALID [2020-07-17 22:20:29,591 INFO L280 TraceCheckUtils]: 34: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:29,591 INFO L280 TraceCheckUtils]: 35: Hoare triple {2439#true} assume ~n < 1;#res := 0; {2439#true} is VALID [2020-07-17 22:20:29,591 INFO L280 TraceCheckUtils]: 36: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:29,592 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {2439#true} {2661#(<= |fibo2_#in~n| 3)} #55#return; {2661#(<= |fibo2_#in~n| 3)} is VALID [2020-07-17 22:20:29,593 INFO L280 TraceCheckUtils]: 38: Hoare triple {2661#(<= |fibo2_#in~n| 3)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {2661#(<= |fibo2_#in~n| 3)} is VALID [2020-07-17 22:20:29,593 INFO L280 TraceCheckUtils]: 39: Hoare triple {2661#(<= |fibo2_#in~n| 3)} assume true; {2661#(<= |fibo2_#in~n| 3)} is VALID [2020-07-17 22:20:29,595 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {2661#(<= |fibo2_#in~n| 3)} {2582#(<= |fibo1_#in~n| fibo1_~n)} #57#return; {2689#(<= |fibo1_#in~n| 4)} is VALID [2020-07-17 22:20:29,595 INFO L280 TraceCheckUtils]: 41: Hoare triple {2689#(<= |fibo1_#in~n| 4)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2689#(<= |fibo1_#in~n| 4)} is VALID [2020-07-17 22:20:29,595 INFO L263 TraceCheckUtils]: 42: Hoare triple {2689#(<= |fibo1_#in~n| 4)} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-17 22:20:29,596 INFO L280 TraceCheckUtils]: 43: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:29,596 INFO L280 TraceCheckUtils]: 44: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:29,596 INFO L280 TraceCheckUtils]: 45: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-17 22:20:29,596 INFO L280 TraceCheckUtils]: 46: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:29,597 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {2439#true} {2689#(<= |fibo1_#in~n| 4)} #59#return; {2689#(<= |fibo1_#in~n| 4)} is VALID [2020-07-17 22:20:29,598 INFO L280 TraceCheckUtils]: 48: Hoare triple {2689#(<= |fibo1_#in~n| 4)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2689#(<= |fibo1_#in~n| 4)} is VALID [2020-07-17 22:20:29,598 INFO L280 TraceCheckUtils]: 49: Hoare triple {2689#(<= |fibo1_#in~n| 4)} assume true; {2689#(<= |fibo1_#in~n| 4)} is VALID [2020-07-17 22:20:29,599 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {2689#(<= |fibo1_#in~n| 4)} {2443#(<= 5 main_~x~0)} #51#return; {2440#false} is VALID [2020-07-17 22:20:29,600 INFO L280 TraceCheckUtils]: 51: Hoare triple {2440#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {2440#false} is VALID [2020-07-17 22:20:29,600 INFO L280 TraceCheckUtils]: 52: Hoare triple {2440#false} assume 5 != ~result~0; {2440#false} is VALID [2020-07-17 22:20:29,600 INFO L280 TraceCheckUtils]: 53: Hoare triple {2440#false} assume !false; {2440#false} is VALID [2020-07-17 22:20:29,605 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-17 22:20:29,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 22:20:29,606 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 14 [2020-07-17 22:20:29,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199727016] [2020-07-17 22:20:29,608 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 54 [2020-07-17 22:20:29,609 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:20:29,609 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states. [2020-07-17 22:20:29,710 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 76 edges. 76 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:20:29,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-17 22:20:29,710 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:20:29,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-17 22:20:29,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-07-17 22:20:29,712 INFO L87 Difference]: Start difference. First operand 106 states and 169 transitions. Second operand 14 states. [2020-07-17 22:20:31,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:31,726 INFO L93 Difference]: Finished difference Result 258 states and 498 transitions. [2020-07-17 22:20:31,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-17 22:20:31,726 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 54 [2020-07-17 22:20:31,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:20:31,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-17 22:20:31,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 164 transitions. [2020-07-17 22:20:31,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-17 22:20:31,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 164 transitions. [2020-07-17 22:20:31,739 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states and 164 transitions. [2020-07-17 22:20:31,980 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 164 edges. 164 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:20:31,989 INFO L225 Difference]: With dead ends: 258 [2020-07-17 22:20:31,989 INFO L226 Difference]: Without dead ends: 158 [2020-07-17 22:20:31,991 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=450, Unknown=0, NotChecked=0, Total=552 [2020-07-17 22:20:31,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-07-17 22:20:32,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 112. [2020-07-17 22:20:32,110 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:20:32,110 INFO L82 GeneralOperation]: Start isEquivalent. First operand 158 states. Second operand 112 states. [2020-07-17 22:20:32,110 INFO L74 IsIncluded]: Start isIncluded. First operand 158 states. Second operand 112 states. [2020-07-17 22:20:32,111 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 112 states. [2020-07-17 22:20:32,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:32,127 INFO L93 Difference]: Finished difference Result 158 states and 275 transitions. [2020-07-17 22:20:32,127 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 275 transitions. [2020-07-17 22:20:32,130 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:32,131 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:32,131 INFO L74 IsIncluded]: Start isIncluded. First operand 112 states. Second operand 158 states. [2020-07-17 22:20:32,131 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 158 states. [2020-07-17 22:20:32,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:32,149 INFO L93 Difference]: Finished difference Result 158 states and 275 transitions. [2020-07-17 22:20:32,149 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 275 transitions. [2020-07-17 22:20:32,151 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:32,151 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:32,152 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:20:32,152 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:20:32,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-07-17 22:20:32,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 180 transitions. [2020-07-17 22:20:32,163 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 180 transitions. Word has length 54 [2020-07-17 22:20:32,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:20:32,163 INFO L479 AbstractCegarLoop]: Abstraction has 112 states and 180 transitions. [2020-07-17 22:20:32,164 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-17 22:20:32,164 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 180 transitions. [2020-07-17 22:20:32,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-07-17 22:20:32,166 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:20:32,167 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:20:32,379 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-07-17 22:20:32,380 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:20:32,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:20:32,381 INFO L82 PathProgramCache]: Analyzing trace with hash -2119203654, now seen corresponding path program 1 times [2020-07-17 22:20:32,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:20:32,381 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281708610] [2020-07-17 22:20:32,382 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:20:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:32,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:32,449 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,449 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3550#true} {3550#true} #47#return; {3550#true} is VALID [2020-07-17 22:20:32,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:32,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:32,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:32,672 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,673 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,673 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:32,673 INFO L280 TraceCheckUtils]: 3: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,674 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3550#true} {3813#(<= 2 |fibo2_#in~n|)} #53#return; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:32,679 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,680 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:32,680 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,681 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3550#true} {3813#(<= 2 |fibo2_#in~n|)} #55#return; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:32,682 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3811#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:32,683 INFO L280 TraceCheckUtils]: 1: Hoare triple {3811#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {3812#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-17 22:20:32,683 INFO L280 TraceCheckUtils]: 2: Hoare triple {3812#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:32,684 INFO L263 TraceCheckUtils]: 3: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:32,684 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,684 INFO L280 TraceCheckUtils]: 5: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,685 INFO L280 TraceCheckUtils]: 6: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:32,685 INFO L280 TraceCheckUtils]: 7: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,686 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {3550#true} {3813#(<= 2 |fibo2_#in~n|)} #53#return; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:32,686 INFO L280 TraceCheckUtils]: 9: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:32,687 INFO L263 TraceCheckUtils]: 10: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:32,687 INFO L280 TraceCheckUtils]: 11: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,687 INFO L280 TraceCheckUtils]: 12: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:32,687 INFO L280 TraceCheckUtils]: 13: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,688 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {3550#true} {3813#(<= 2 |fibo2_#in~n|)} #55#return; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:32,689 INFO L280 TraceCheckUtils]: 15: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:32,689 INFO L280 TraceCheckUtils]: 16: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume true; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:32,691 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {3813#(<= 2 |fibo2_#in~n|)} {3786#(= fibo1_~n |fibo1_#in~n|)} #57#return; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:32,697 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,697 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,697 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:32,698 INFO L280 TraceCheckUtils]: 3: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,698 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3550#true} {3805#(<= 3 |fibo1_#in~n|)} #59#return; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,699 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,700 INFO L280 TraceCheckUtils]: 1: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,700 INFO L280 TraceCheckUtils]: 2: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,700 INFO L263 TraceCheckUtils]: 3: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-17 22:20:32,701 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~n := #in~n; {3811#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:32,702 INFO L280 TraceCheckUtils]: 5: Hoare triple {3811#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {3812#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-17 22:20:32,702 INFO L280 TraceCheckUtils]: 6: Hoare triple {3812#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:32,703 INFO L263 TraceCheckUtils]: 7: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:32,703 INFO L280 TraceCheckUtils]: 8: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,703 INFO L280 TraceCheckUtils]: 9: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,703 INFO L280 TraceCheckUtils]: 10: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:32,703 INFO L280 TraceCheckUtils]: 11: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,704 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {3550#true} {3813#(<= 2 |fibo2_#in~n|)} #53#return; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:32,705 INFO L280 TraceCheckUtils]: 13: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:32,705 INFO L263 TraceCheckUtils]: 14: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:32,705 INFO L280 TraceCheckUtils]: 15: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,706 INFO L280 TraceCheckUtils]: 16: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:32,706 INFO L280 TraceCheckUtils]: 17: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,707 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {3550#true} {3813#(<= 2 |fibo2_#in~n|)} #55#return; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:32,707 INFO L280 TraceCheckUtils]: 19: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:32,708 INFO L280 TraceCheckUtils]: 20: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume true; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:32,709 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {3813#(<= 2 |fibo2_#in~n|)} {3786#(= fibo1_~n |fibo1_#in~n|)} #57#return; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,710 INFO L280 TraceCheckUtils]: 22: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,710 INFO L263 TraceCheckUtils]: 23: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-17 22:20:32,710 INFO L280 TraceCheckUtils]: 24: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,710 INFO L280 TraceCheckUtils]: 25: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,711 INFO L280 TraceCheckUtils]: 26: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:32,711 INFO L280 TraceCheckUtils]: 27: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,712 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {3550#true} {3805#(<= 3 |fibo1_#in~n|)} #59#return; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,712 INFO L280 TraceCheckUtils]: 29: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,713 INFO L280 TraceCheckUtils]: 30: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} assume true; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,714 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {3805#(<= 3 |fibo1_#in~n|)} {3550#true} #53#return; {3780#(<= 4 fibo2_~n)} is VALID [2020-07-17 22:20:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:32,737 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,738 INFO L280 TraceCheckUtils]: 1: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,739 INFO L280 TraceCheckUtils]: 2: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {3823#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:32,739 INFO L280 TraceCheckUtils]: 3: Hoare triple {3823#(<= |fibo1_#in~n| 1)} assume true; {3823#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:32,740 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3823#(<= |fibo1_#in~n| 1)} {3780#(<= 4 fibo2_~n)} #55#return; {3551#false} is VALID [2020-07-17 22:20:32,741 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,741 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,741 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:32,741 INFO L263 TraceCheckUtils]: 3: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:32,742 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,743 INFO L280 TraceCheckUtils]: 5: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,743 INFO L280 TraceCheckUtils]: 6: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,743 INFO L263 TraceCheckUtils]: 7: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-17 22:20:32,744 INFO L280 TraceCheckUtils]: 8: Hoare triple {3550#true} ~n := #in~n; {3811#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:32,745 INFO L280 TraceCheckUtils]: 9: Hoare triple {3811#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {3812#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-17 22:20:32,745 INFO L280 TraceCheckUtils]: 10: Hoare triple {3812#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:32,746 INFO L263 TraceCheckUtils]: 11: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:32,746 INFO L280 TraceCheckUtils]: 12: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,746 INFO L280 TraceCheckUtils]: 13: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,746 INFO L280 TraceCheckUtils]: 14: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:32,747 INFO L280 TraceCheckUtils]: 15: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,747 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {3550#true} {3813#(<= 2 |fibo2_#in~n|)} #53#return; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:32,748 INFO L280 TraceCheckUtils]: 17: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:32,748 INFO L263 TraceCheckUtils]: 18: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:32,748 INFO L280 TraceCheckUtils]: 19: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,749 INFO L280 TraceCheckUtils]: 20: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:32,749 INFO L280 TraceCheckUtils]: 21: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,750 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {3550#true} {3813#(<= 2 |fibo2_#in~n|)} #55#return; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:32,750 INFO L280 TraceCheckUtils]: 23: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:32,751 INFO L280 TraceCheckUtils]: 24: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume true; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:32,758 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {3813#(<= 2 |fibo2_#in~n|)} {3786#(= fibo1_~n |fibo1_#in~n|)} #57#return; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,759 INFO L280 TraceCheckUtils]: 26: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,759 INFO L263 TraceCheckUtils]: 27: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-17 22:20:32,759 INFO L280 TraceCheckUtils]: 28: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,759 INFO L280 TraceCheckUtils]: 29: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,760 INFO L280 TraceCheckUtils]: 30: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:32,760 INFO L280 TraceCheckUtils]: 31: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,761 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {3550#true} {3805#(<= 3 |fibo1_#in~n|)} #59#return; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,761 INFO L280 TraceCheckUtils]: 33: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,762 INFO L280 TraceCheckUtils]: 34: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} assume true; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,763 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {3805#(<= 3 |fibo1_#in~n|)} {3550#true} #53#return; {3780#(<= 4 fibo2_~n)} is VALID [2020-07-17 22:20:32,764 INFO L280 TraceCheckUtils]: 36: Hoare triple {3780#(<= 4 fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3780#(<= 4 fibo2_~n)} is VALID [2020-07-17 22:20:32,764 INFO L263 TraceCheckUtils]: 37: Hoare triple {3780#(<= 4 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:32,765 INFO L280 TraceCheckUtils]: 38: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,765 INFO L280 TraceCheckUtils]: 39: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,766 INFO L280 TraceCheckUtils]: 40: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {3823#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:32,766 INFO L280 TraceCheckUtils]: 41: Hoare triple {3823#(<= |fibo1_#in~n| 1)} assume true; {3823#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:32,767 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {3823#(<= |fibo1_#in~n| 1)} {3780#(<= 4 fibo2_~n)} #55#return; {3551#false} is VALID [2020-07-17 22:20:32,768 INFO L280 TraceCheckUtils]: 43: Hoare triple {3551#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {3551#false} is VALID [2020-07-17 22:20:32,768 INFO L280 TraceCheckUtils]: 44: Hoare triple {3551#false} assume true; {3551#false} is VALID [2020-07-17 22:20:32,768 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {3551#false} {3550#true} #57#return; {3551#false} is VALID [2020-07-17 22:20:32,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:32,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:32,813 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,813 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,814 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:32,814 INFO L280 TraceCheckUtils]: 3: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,814 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-17 22:20:32,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:32,819 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,820 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:32,820 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,820 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-17 22:20:32,821 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,821 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,821 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:32,821 INFO L263 TraceCheckUtils]: 3: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:32,822 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,822 INFO L280 TraceCheckUtils]: 5: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,822 INFO L280 TraceCheckUtils]: 6: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:32,823 INFO L280 TraceCheckUtils]: 7: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,823 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-17 22:20:32,823 INFO L280 TraceCheckUtils]: 9: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:32,824 INFO L263 TraceCheckUtils]: 10: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:32,824 INFO L280 TraceCheckUtils]: 11: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,824 INFO L280 TraceCheckUtils]: 12: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:32,824 INFO L280 TraceCheckUtils]: 13: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,825 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-17 22:20:32,825 INFO L280 TraceCheckUtils]: 15: Hoare triple {3550#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {3550#true} is VALID [2020-07-17 22:20:32,825 INFO L280 TraceCheckUtils]: 16: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,825 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {3550#true} {3550#true} #57#return; {3550#true} is VALID [2020-07-17 22:20:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:32,831 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,831 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,831 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:32,832 INFO L280 TraceCheckUtils]: 3: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,832 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3550#true} {3550#true} #59#return; {3550#true} is VALID [2020-07-17 22:20:32,833 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,833 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,833 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:32,833 INFO L263 TraceCheckUtils]: 3: Hoare triple {3550#true} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-17 22:20:32,834 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,834 INFO L280 TraceCheckUtils]: 5: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,834 INFO L280 TraceCheckUtils]: 6: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:32,834 INFO L263 TraceCheckUtils]: 7: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:32,835 INFO L280 TraceCheckUtils]: 8: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,835 INFO L280 TraceCheckUtils]: 9: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,835 INFO L280 TraceCheckUtils]: 10: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:32,835 INFO L280 TraceCheckUtils]: 11: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,835 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-17 22:20:32,836 INFO L280 TraceCheckUtils]: 13: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:32,836 INFO L263 TraceCheckUtils]: 14: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:32,836 INFO L280 TraceCheckUtils]: 15: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,836 INFO L280 TraceCheckUtils]: 16: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:32,837 INFO L280 TraceCheckUtils]: 17: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,837 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-17 22:20:32,837 INFO L280 TraceCheckUtils]: 19: Hoare triple {3550#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {3550#true} is VALID [2020-07-17 22:20:32,837 INFO L280 TraceCheckUtils]: 20: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,837 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {3550#true} {3550#true} #57#return; {3550#true} is VALID [2020-07-17 22:20:32,838 INFO L280 TraceCheckUtils]: 22: Hoare triple {3550#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:32,838 INFO L263 TraceCheckUtils]: 23: Hoare triple {3550#true} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-17 22:20:32,838 INFO L280 TraceCheckUtils]: 24: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,838 INFO L280 TraceCheckUtils]: 25: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,838 INFO L280 TraceCheckUtils]: 26: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:32,839 INFO L280 TraceCheckUtils]: 27: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,839 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {3550#true} {3550#true} #59#return; {3550#true} is VALID [2020-07-17 22:20:32,839 INFO L280 TraceCheckUtils]: 29: Hoare triple {3550#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3550#true} is VALID [2020-07-17 22:20:32,840 INFO L280 TraceCheckUtils]: 30: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,840 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-17 22:20:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:32,846 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,847 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,847 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:32,847 INFO L280 TraceCheckUtils]: 3: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,847 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-17 22:20:32,848 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,848 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,849 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:32,849 INFO L263 TraceCheckUtils]: 3: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:32,849 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,850 INFO L280 TraceCheckUtils]: 5: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,850 INFO L280 TraceCheckUtils]: 6: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:32,850 INFO L263 TraceCheckUtils]: 7: Hoare triple {3550#true} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-17 22:20:32,851 INFO L280 TraceCheckUtils]: 8: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,851 INFO L280 TraceCheckUtils]: 9: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,851 INFO L280 TraceCheckUtils]: 10: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:32,851 INFO L263 TraceCheckUtils]: 11: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:32,851 INFO L280 TraceCheckUtils]: 12: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,852 INFO L280 TraceCheckUtils]: 13: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,852 INFO L280 TraceCheckUtils]: 14: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:32,852 INFO L280 TraceCheckUtils]: 15: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,852 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-17 22:20:32,853 INFO L280 TraceCheckUtils]: 17: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:32,853 INFO L263 TraceCheckUtils]: 18: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:32,853 INFO L280 TraceCheckUtils]: 19: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,853 INFO L280 TraceCheckUtils]: 20: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:32,853 INFO L280 TraceCheckUtils]: 21: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,854 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-17 22:20:32,854 INFO L280 TraceCheckUtils]: 23: Hoare triple {3550#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {3550#true} is VALID [2020-07-17 22:20:32,854 INFO L280 TraceCheckUtils]: 24: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,854 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {3550#true} {3550#true} #57#return; {3550#true} is VALID [2020-07-17 22:20:32,854 INFO L280 TraceCheckUtils]: 26: Hoare triple {3550#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:32,855 INFO L263 TraceCheckUtils]: 27: Hoare triple {3550#true} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-17 22:20:32,855 INFO L280 TraceCheckUtils]: 28: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,855 INFO L280 TraceCheckUtils]: 29: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,855 INFO L280 TraceCheckUtils]: 30: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:32,855 INFO L280 TraceCheckUtils]: 31: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,856 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {3550#true} {3550#true} #59#return; {3550#true} is VALID [2020-07-17 22:20:32,856 INFO L280 TraceCheckUtils]: 33: Hoare triple {3550#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3550#true} is VALID [2020-07-17 22:20:32,856 INFO L280 TraceCheckUtils]: 34: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,856 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-17 22:20:32,856 INFO L280 TraceCheckUtils]: 36: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:32,857 INFO L263 TraceCheckUtils]: 37: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:32,857 INFO L280 TraceCheckUtils]: 38: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,857 INFO L280 TraceCheckUtils]: 39: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,857 INFO L280 TraceCheckUtils]: 40: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:32,857 INFO L280 TraceCheckUtils]: 41: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,858 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-17 22:20:32,858 INFO L280 TraceCheckUtils]: 43: Hoare triple {3550#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {3550#true} is VALID [2020-07-17 22:20:32,859 INFO L280 TraceCheckUtils]: 44: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,859 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {3550#true} {3551#false} #59#return; {3551#false} is VALID [2020-07-17 22:20:32,861 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,861 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,861 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:32,862 INFO L263 TraceCheckUtils]: 3: Hoare triple {3550#true} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-17 22:20:32,862 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,862 INFO L280 TraceCheckUtils]: 5: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,862 INFO L280 TraceCheckUtils]: 6: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:32,863 INFO L263 TraceCheckUtils]: 7: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:32,864 INFO L280 TraceCheckUtils]: 8: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,864 INFO L280 TraceCheckUtils]: 9: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,865 INFO L280 TraceCheckUtils]: 10: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,866 INFO L263 TraceCheckUtils]: 11: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-17 22:20:32,866 INFO L280 TraceCheckUtils]: 12: Hoare triple {3550#true} ~n := #in~n; {3811#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:32,868 INFO L280 TraceCheckUtils]: 13: Hoare triple {3811#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {3812#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-17 22:20:32,869 INFO L280 TraceCheckUtils]: 14: Hoare triple {3812#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:32,869 INFO L263 TraceCheckUtils]: 15: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:32,869 INFO L280 TraceCheckUtils]: 16: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,869 INFO L280 TraceCheckUtils]: 17: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,870 INFO L280 TraceCheckUtils]: 18: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:32,870 INFO L280 TraceCheckUtils]: 19: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,871 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {3550#true} {3813#(<= 2 |fibo2_#in~n|)} #53#return; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:32,872 INFO L280 TraceCheckUtils]: 21: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:32,872 INFO L263 TraceCheckUtils]: 22: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:32,872 INFO L280 TraceCheckUtils]: 23: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,872 INFO L280 TraceCheckUtils]: 24: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:32,872 INFO L280 TraceCheckUtils]: 25: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,873 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {3550#true} {3813#(<= 2 |fibo2_#in~n|)} #55#return; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:32,874 INFO L280 TraceCheckUtils]: 27: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:32,874 INFO L280 TraceCheckUtils]: 28: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume true; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:32,876 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {3813#(<= 2 |fibo2_#in~n|)} {3786#(= fibo1_~n |fibo1_#in~n|)} #57#return; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,876 INFO L280 TraceCheckUtils]: 30: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,877 INFO L263 TraceCheckUtils]: 31: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-17 22:20:32,877 INFO L280 TraceCheckUtils]: 32: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,877 INFO L280 TraceCheckUtils]: 33: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,877 INFO L280 TraceCheckUtils]: 34: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:32,877 INFO L280 TraceCheckUtils]: 35: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,878 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {3550#true} {3805#(<= 3 |fibo1_#in~n|)} #59#return; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,879 INFO L280 TraceCheckUtils]: 37: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,880 INFO L280 TraceCheckUtils]: 38: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} assume true; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,881 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {3805#(<= 3 |fibo1_#in~n|)} {3550#true} #53#return; {3780#(<= 4 fibo2_~n)} is VALID [2020-07-17 22:20:32,881 INFO L280 TraceCheckUtils]: 40: Hoare triple {3780#(<= 4 fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3780#(<= 4 fibo2_~n)} is VALID [2020-07-17 22:20:32,882 INFO L263 TraceCheckUtils]: 41: Hoare triple {3780#(<= 4 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:32,882 INFO L280 TraceCheckUtils]: 42: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,883 INFO L280 TraceCheckUtils]: 43: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,883 INFO L280 TraceCheckUtils]: 44: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {3823#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:32,884 INFO L280 TraceCheckUtils]: 45: Hoare triple {3823#(<= |fibo1_#in~n| 1)} assume true; {3823#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:32,885 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {3823#(<= |fibo1_#in~n| 1)} {3780#(<= 4 fibo2_~n)} #55#return; {3551#false} is VALID [2020-07-17 22:20:32,885 INFO L280 TraceCheckUtils]: 47: Hoare triple {3551#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {3551#false} is VALID [2020-07-17 22:20:32,886 INFO L280 TraceCheckUtils]: 48: Hoare triple {3551#false} assume true; {3551#false} is VALID [2020-07-17 22:20:32,886 INFO L275 TraceCheckUtils]: 49: Hoare quadruple {3551#false} {3550#true} #57#return; {3551#false} is VALID [2020-07-17 22:20:32,886 INFO L280 TraceCheckUtils]: 50: Hoare triple {3551#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3551#false} is VALID [2020-07-17 22:20:32,886 INFO L263 TraceCheckUtils]: 51: Hoare triple {3551#false} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-17 22:20:32,886 INFO L280 TraceCheckUtils]: 52: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,887 INFO L280 TraceCheckUtils]: 53: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,887 INFO L280 TraceCheckUtils]: 54: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:32,887 INFO L263 TraceCheckUtils]: 55: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:32,887 INFO L280 TraceCheckUtils]: 56: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,887 INFO L280 TraceCheckUtils]: 57: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,888 INFO L280 TraceCheckUtils]: 58: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:32,888 INFO L263 TraceCheckUtils]: 59: Hoare triple {3550#true} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-17 22:20:32,889 INFO L280 TraceCheckUtils]: 60: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,889 INFO L280 TraceCheckUtils]: 61: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,889 INFO L280 TraceCheckUtils]: 62: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:32,889 INFO L263 TraceCheckUtils]: 63: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:32,890 INFO L280 TraceCheckUtils]: 64: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,890 INFO L280 TraceCheckUtils]: 65: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,890 INFO L280 TraceCheckUtils]: 66: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:32,890 INFO L280 TraceCheckUtils]: 67: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,891 INFO L275 TraceCheckUtils]: 68: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-17 22:20:32,891 INFO L280 TraceCheckUtils]: 69: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:32,891 INFO L263 TraceCheckUtils]: 70: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:32,891 INFO L280 TraceCheckUtils]: 71: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,892 INFO L280 TraceCheckUtils]: 72: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:32,892 INFO L280 TraceCheckUtils]: 73: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,892 INFO L275 TraceCheckUtils]: 74: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-17 22:20:32,892 INFO L280 TraceCheckUtils]: 75: Hoare triple {3550#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {3550#true} is VALID [2020-07-17 22:20:32,893 INFO L280 TraceCheckUtils]: 76: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,893 INFO L275 TraceCheckUtils]: 77: Hoare quadruple {3550#true} {3550#true} #57#return; {3550#true} is VALID [2020-07-17 22:20:32,893 INFO L280 TraceCheckUtils]: 78: Hoare triple {3550#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:32,894 INFO L263 TraceCheckUtils]: 79: Hoare triple {3550#true} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-17 22:20:32,894 INFO L280 TraceCheckUtils]: 80: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,894 INFO L280 TraceCheckUtils]: 81: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,895 INFO L280 TraceCheckUtils]: 82: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:32,895 INFO L280 TraceCheckUtils]: 83: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,895 INFO L275 TraceCheckUtils]: 84: Hoare quadruple {3550#true} {3550#true} #59#return; {3550#true} is VALID [2020-07-17 22:20:32,896 INFO L280 TraceCheckUtils]: 85: Hoare triple {3550#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3550#true} is VALID [2020-07-17 22:20:32,896 INFO L280 TraceCheckUtils]: 86: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,896 INFO L275 TraceCheckUtils]: 87: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-17 22:20:32,897 INFO L280 TraceCheckUtils]: 88: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:32,897 INFO L263 TraceCheckUtils]: 89: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:32,897 INFO L280 TraceCheckUtils]: 90: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,897 INFO L280 TraceCheckUtils]: 91: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,898 INFO L280 TraceCheckUtils]: 92: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:32,898 INFO L280 TraceCheckUtils]: 93: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,898 INFO L275 TraceCheckUtils]: 94: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-17 22:20:32,898 INFO L280 TraceCheckUtils]: 95: Hoare triple {3550#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {3550#true} is VALID [2020-07-17 22:20:32,899 INFO L280 TraceCheckUtils]: 96: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,899 INFO L275 TraceCheckUtils]: 97: Hoare quadruple {3550#true} {3551#false} #59#return; {3551#false} is VALID [2020-07-17 22:20:32,899 INFO L280 TraceCheckUtils]: 98: Hoare triple {3551#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3551#false} is VALID [2020-07-17 22:20:32,899 INFO L280 TraceCheckUtils]: 99: Hoare triple {3551#false} assume true; {3551#false} is VALID [2020-07-17 22:20:32,899 INFO L275 TraceCheckUtils]: 100: Hoare quadruple {3551#false} {3554#(<= 5 main_~x~0)} #51#return; {3551#false} is VALID [2020-07-17 22:20:32,906 INFO L263 TraceCheckUtils]: 0: Hoare triple {3550#true} call ULTIMATE.init(); {3550#true} is VALID [2020-07-17 22:20:32,907 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,907 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3550#true} {3550#true} #47#return; {3550#true} is VALID [2020-07-17 22:20:32,907 INFO L263 TraceCheckUtils]: 3: Hoare triple {3550#true} call #t~ret5 := main(); {3550#true} is VALID [2020-07-17 22:20:32,909 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~x~0 := 5; {3554#(<= 5 main_~x~0)} is VALID [2020-07-17 22:20:32,909 INFO L263 TraceCheckUtils]: 5: Hoare triple {3554#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {3550#true} is VALID [2020-07-17 22:20:32,909 INFO L280 TraceCheckUtils]: 6: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,909 INFO L280 TraceCheckUtils]: 7: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,909 INFO L280 TraceCheckUtils]: 8: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:32,910 INFO L263 TraceCheckUtils]: 9: Hoare triple {3550#true} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-17 22:20:32,910 INFO L280 TraceCheckUtils]: 10: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,910 INFO L280 TraceCheckUtils]: 11: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,910 INFO L280 TraceCheckUtils]: 12: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:32,911 INFO L263 TraceCheckUtils]: 13: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:32,912 INFO L280 TraceCheckUtils]: 14: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,912 INFO L280 TraceCheckUtils]: 15: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,913 INFO L280 TraceCheckUtils]: 16: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,913 INFO L263 TraceCheckUtils]: 17: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-17 22:20:32,914 INFO L280 TraceCheckUtils]: 18: Hoare triple {3550#true} ~n := #in~n; {3811#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:32,915 INFO L280 TraceCheckUtils]: 19: Hoare triple {3811#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {3812#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-17 22:20:32,917 INFO L280 TraceCheckUtils]: 20: Hoare triple {3812#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:32,917 INFO L263 TraceCheckUtils]: 21: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:32,917 INFO L280 TraceCheckUtils]: 22: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,917 INFO L280 TraceCheckUtils]: 23: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,918 INFO L280 TraceCheckUtils]: 24: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:32,918 INFO L280 TraceCheckUtils]: 25: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,919 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {3550#true} {3813#(<= 2 |fibo2_#in~n|)} #53#return; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:32,919 INFO L280 TraceCheckUtils]: 27: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:32,920 INFO L263 TraceCheckUtils]: 28: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:32,920 INFO L280 TraceCheckUtils]: 29: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,920 INFO L280 TraceCheckUtils]: 30: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:32,920 INFO L280 TraceCheckUtils]: 31: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,921 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {3550#true} {3813#(<= 2 |fibo2_#in~n|)} #55#return; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:32,922 INFO L280 TraceCheckUtils]: 33: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:32,922 INFO L280 TraceCheckUtils]: 34: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume true; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:32,924 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {3813#(<= 2 |fibo2_#in~n|)} {3786#(= fibo1_~n |fibo1_#in~n|)} #57#return; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,924 INFO L280 TraceCheckUtils]: 36: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,924 INFO L263 TraceCheckUtils]: 37: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-17 22:20:32,925 INFO L280 TraceCheckUtils]: 38: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,925 INFO L280 TraceCheckUtils]: 39: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,925 INFO L280 TraceCheckUtils]: 40: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:32,925 INFO L280 TraceCheckUtils]: 41: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,926 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {3550#true} {3805#(<= 3 |fibo1_#in~n|)} #59#return; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,927 INFO L280 TraceCheckUtils]: 43: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,927 INFO L280 TraceCheckUtils]: 44: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} assume true; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,929 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {3805#(<= 3 |fibo1_#in~n|)} {3550#true} #53#return; {3780#(<= 4 fibo2_~n)} is VALID [2020-07-17 22:20:32,930 INFO L280 TraceCheckUtils]: 46: Hoare triple {3780#(<= 4 fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3780#(<= 4 fibo2_~n)} is VALID [2020-07-17 22:20:32,930 INFO L263 TraceCheckUtils]: 47: Hoare triple {3780#(<= 4 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:32,931 INFO L280 TraceCheckUtils]: 48: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,931 INFO L280 TraceCheckUtils]: 49: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:32,932 INFO L280 TraceCheckUtils]: 50: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {3823#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:32,933 INFO L280 TraceCheckUtils]: 51: Hoare triple {3823#(<= |fibo1_#in~n| 1)} assume true; {3823#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:32,934 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {3823#(<= |fibo1_#in~n| 1)} {3780#(<= 4 fibo2_~n)} #55#return; {3551#false} is VALID [2020-07-17 22:20:32,935 INFO L280 TraceCheckUtils]: 53: Hoare triple {3551#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {3551#false} is VALID [2020-07-17 22:20:32,935 INFO L280 TraceCheckUtils]: 54: Hoare triple {3551#false} assume true; {3551#false} is VALID [2020-07-17 22:20:32,935 INFO L275 TraceCheckUtils]: 55: Hoare quadruple {3551#false} {3550#true} #57#return; {3551#false} is VALID [2020-07-17 22:20:32,936 INFO L280 TraceCheckUtils]: 56: Hoare triple {3551#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3551#false} is VALID [2020-07-17 22:20:32,936 INFO L263 TraceCheckUtils]: 57: Hoare triple {3551#false} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-17 22:20:32,936 INFO L280 TraceCheckUtils]: 58: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,937 INFO L280 TraceCheckUtils]: 59: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,937 INFO L280 TraceCheckUtils]: 60: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:32,937 INFO L263 TraceCheckUtils]: 61: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:32,938 INFO L280 TraceCheckUtils]: 62: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,938 INFO L280 TraceCheckUtils]: 63: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,938 INFO L280 TraceCheckUtils]: 64: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:32,938 INFO L263 TraceCheckUtils]: 65: Hoare triple {3550#true} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-17 22:20:32,938 INFO L280 TraceCheckUtils]: 66: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,939 INFO L280 TraceCheckUtils]: 67: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,939 INFO L280 TraceCheckUtils]: 68: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:32,939 INFO L263 TraceCheckUtils]: 69: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:32,939 INFO L280 TraceCheckUtils]: 70: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,939 INFO L280 TraceCheckUtils]: 71: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,940 INFO L280 TraceCheckUtils]: 72: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:32,940 INFO L280 TraceCheckUtils]: 73: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,940 INFO L275 TraceCheckUtils]: 74: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-17 22:20:32,940 INFO L280 TraceCheckUtils]: 75: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:32,940 INFO L263 TraceCheckUtils]: 76: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:32,941 INFO L280 TraceCheckUtils]: 77: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,941 INFO L280 TraceCheckUtils]: 78: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:32,941 INFO L280 TraceCheckUtils]: 79: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,941 INFO L275 TraceCheckUtils]: 80: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-17 22:20:32,941 INFO L280 TraceCheckUtils]: 81: Hoare triple {3550#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {3550#true} is VALID [2020-07-17 22:20:32,942 INFO L280 TraceCheckUtils]: 82: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,942 INFO L275 TraceCheckUtils]: 83: Hoare quadruple {3550#true} {3550#true} #57#return; {3550#true} is VALID [2020-07-17 22:20:32,942 INFO L280 TraceCheckUtils]: 84: Hoare triple {3550#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:32,942 INFO L263 TraceCheckUtils]: 85: Hoare triple {3550#true} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-17 22:20:32,942 INFO L280 TraceCheckUtils]: 86: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,942 INFO L280 TraceCheckUtils]: 87: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,943 INFO L280 TraceCheckUtils]: 88: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:32,943 INFO L280 TraceCheckUtils]: 89: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,943 INFO L275 TraceCheckUtils]: 90: Hoare quadruple {3550#true} {3550#true} #59#return; {3550#true} is VALID [2020-07-17 22:20:32,943 INFO L280 TraceCheckUtils]: 91: Hoare triple {3550#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3550#true} is VALID [2020-07-17 22:20:32,943 INFO L280 TraceCheckUtils]: 92: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,944 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-17 22:20:32,944 INFO L280 TraceCheckUtils]: 94: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:32,944 INFO L263 TraceCheckUtils]: 95: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:32,944 INFO L280 TraceCheckUtils]: 96: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:32,944 INFO L280 TraceCheckUtils]: 97: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:32,945 INFO L280 TraceCheckUtils]: 98: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:32,945 INFO L280 TraceCheckUtils]: 99: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,945 INFO L275 TraceCheckUtils]: 100: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-17 22:20:32,945 INFO L280 TraceCheckUtils]: 101: Hoare triple {3550#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {3550#true} is VALID [2020-07-17 22:20:32,945 INFO L280 TraceCheckUtils]: 102: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:32,945 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {3550#true} {3551#false} #59#return; {3551#false} is VALID [2020-07-17 22:20:32,946 INFO L280 TraceCheckUtils]: 104: Hoare triple {3551#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3551#false} is VALID [2020-07-17 22:20:32,946 INFO L280 TraceCheckUtils]: 105: Hoare triple {3551#false} assume true; {3551#false} is VALID [2020-07-17 22:20:32,946 INFO L275 TraceCheckUtils]: 106: Hoare quadruple {3551#false} {3554#(<= 5 main_~x~0)} #51#return; {3551#false} is VALID [2020-07-17 22:20:32,946 INFO L280 TraceCheckUtils]: 107: Hoare triple {3551#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {3551#false} is VALID [2020-07-17 22:20:32,946 INFO L280 TraceCheckUtils]: 108: Hoare triple {3551#false} assume 5 != ~result~0; {3551#false} is VALID [2020-07-17 22:20:32,947 INFO L280 TraceCheckUtils]: 109: Hoare triple {3551#false} assume !false; {3551#false} is VALID [2020-07-17 22:20:32,959 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 44 proven. 79 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2020-07-17 22:20:32,959 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281708610] [2020-07-17 22:20:32,959 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426093060] [2020-07-17 22:20:32,960 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:20:33,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:33,020 INFO L264 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-17 22:20:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:33,067 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 22:20:33,272 INFO L263 TraceCheckUtils]: 0: Hoare triple {3550#true} call ULTIMATE.init(); {3550#true} is VALID [2020-07-17 22:20:33,272 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:33,272 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3550#true} {3550#true} #47#return; {3550#true} is VALID [2020-07-17 22:20:33,273 INFO L263 TraceCheckUtils]: 3: Hoare triple {3550#true} call #t~ret5 := main(); {3550#true} is VALID [2020-07-17 22:20:33,273 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~x~0 := 5; {3554#(<= 5 main_~x~0)} is VALID [2020-07-17 22:20:33,274 INFO L263 TraceCheckUtils]: 5: Hoare triple {3554#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {3550#true} is VALID [2020-07-17 22:20:33,274 INFO L280 TraceCheckUtils]: 6: Hoare triple {3550#true} ~n := #in~n; {3914#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:33,275 INFO L280 TraceCheckUtils]: 7: Hoare triple {3914#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {3914#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:33,275 INFO L280 TraceCheckUtils]: 8: Hoare triple {3914#(<= |fibo1_#in~n| fibo1_~n)} assume !(1 == ~n); {3914#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:33,276 INFO L263 TraceCheckUtils]: 9: Hoare triple {3914#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-17 22:20:33,276 INFO L280 TraceCheckUtils]: 10: Hoare triple {3550#true} ~n := #in~n; {3927#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:33,277 INFO L280 TraceCheckUtils]: 11: Hoare triple {3927#(<= |fibo2_#in~n| fibo2_~n)} assume !(~n < 1); {3927#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:33,277 INFO L280 TraceCheckUtils]: 12: Hoare triple {3927#(<= |fibo2_#in~n| fibo2_~n)} assume !(1 == ~n); {3927#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:33,277 INFO L263 TraceCheckUtils]: 13: Hoare triple {3927#(<= |fibo2_#in~n| fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:33,278 INFO L280 TraceCheckUtils]: 14: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:33,278 INFO L280 TraceCheckUtils]: 15: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:33,278 INFO L280 TraceCheckUtils]: 16: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:33,278 INFO L263 TraceCheckUtils]: 17: Hoare triple {3550#true} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-17 22:20:33,278 INFO L280 TraceCheckUtils]: 18: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:33,279 INFO L280 TraceCheckUtils]: 19: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:33,279 INFO L280 TraceCheckUtils]: 20: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:33,279 INFO L263 TraceCheckUtils]: 21: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:33,279 INFO L280 TraceCheckUtils]: 22: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:33,279 INFO L280 TraceCheckUtils]: 23: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:33,280 INFO L280 TraceCheckUtils]: 24: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:33,280 INFO L280 TraceCheckUtils]: 25: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:33,280 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-17 22:20:33,280 INFO L280 TraceCheckUtils]: 27: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:33,280 INFO L263 TraceCheckUtils]: 28: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:33,281 INFO L280 TraceCheckUtils]: 29: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:33,281 INFO L280 TraceCheckUtils]: 30: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:33,281 INFO L280 TraceCheckUtils]: 31: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:33,281 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-17 22:20:33,281 INFO L280 TraceCheckUtils]: 33: Hoare triple {3550#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {3550#true} is VALID [2020-07-17 22:20:33,282 INFO L280 TraceCheckUtils]: 34: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:33,282 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {3550#true} {3550#true} #57#return; {3550#true} is VALID [2020-07-17 22:20:33,282 INFO L280 TraceCheckUtils]: 36: Hoare triple {3550#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:33,282 INFO L263 TraceCheckUtils]: 37: Hoare triple {3550#true} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-17 22:20:33,282 INFO L280 TraceCheckUtils]: 38: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:33,283 INFO L280 TraceCheckUtils]: 39: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:33,283 INFO L280 TraceCheckUtils]: 40: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:33,283 INFO L280 TraceCheckUtils]: 41: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:33,283 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {3550#true} {3550#true} #59#return; {3550#true} is VALID [2020-07-17 22:20:33,283 INFO L280 TraceCheckUtils]: 43: Hoare triple {3550#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3550#true} is VALID [2020-07-17 22:20:33,283 INFO L280 TraceCheckUtils]: 44: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:33,284 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {3550#true} {3927#(<= |fibo2_#in~n| fibo2_~n)} #53#return; {3927#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:33,285 INFO L280 TraceCheckUtils]: 46: Hoare triple {3927#(<= |fibo2_#in~n| fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3927#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:33,285 INFO L263 TraceCheckUtils]: 47: Hoare triple {3927#(<= |fibo2_#in~n| fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:33,286 INFO L280 TraceCheckUtils]: 48: Hoare triple {3550#true} ~n := #in~n; {3914#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:33,286 INFO L280 TraceCheckUtils]: 49: Hoare triple {3914#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {3914#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:33,287 INFO L280 TraceCheckUtils]: 50: Hoare triple {3914#(<= |fibo1_#in~n| fibo1_~n)} assume 1 == ~n;#res := 1; {3823#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:33,288 INFO L280 TraceCheckUtils]: 51: Hoare triple {3823#(<= |fibo1_#in~n| 1)} assume true; {3823#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:33,289 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {3823#(<= |fibo1_#in~n| 1)} {3927#(<= |fibo2_#in~n| fibo2_~n)} #55#return; {4054#(<= |fibo2_#in~n| 3)} is VALID [2020-07-17 22:20:33,289 INFO L280 TraceCheckUtils]: 53: Hoare triple {4054#(<= |fibo2_#in~n| 3)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4054#(<= |fibo2_#in~n| 3)} is VALID [2020-07-17 22:20:33,290 INFO L280 TraceCheckUtils]: 54: Hoare triple {4054#(<= |fibo2_#in~n| 3)} assume true; {4054#(<= |fibo2_#in~n| 3)} is VALID [2020-07-17 22:20:33,291 INFO L275 TraceCheckUtils]: 55: Hoare quadruple {4054#(<= |fibo2_#in~n| 3)} {3914#(<= |fibo1_#in~n| fibo1_~n)} #57#return; {4064#(<= |fibo1_#in~n| 4)} is VALID [2020-07-17 22:20:33,292 INFO L280 TraceCheckUtils]: 56: Hoare triple {4064#(<= |fibo1_#in~n| 4)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4064#(<= |fibo1_#in~n| 4)} is VALID [2020-07-17 22:20:33,292 INFO L263 TraceCheckUtils]: 57: Hoare triple {4064#(<= |fibo1_#in~n| 4)} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-17 22:20:33,292 INFO L280 TraceCheckUtils]: 58: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:33,292 INFO L280 TraceCheckUtils]: 59: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:33,293 INFO L280 TraceCheckUtils]: 60: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:33,293 INFO L263 TraceCheckUtils]: 61: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:33,293 INFO L280 TraceCheckUtils]: 62: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:33,293 INFO L280 TraceCheckUtils]: 63: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:33,293 INFO L280 TraceCheckUtils]: 64: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:33,294 INFO L263 TraceCheckUtils]: 65: Hoare triple {3550#true} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-17 22:20:33,294 INFO L280 TraceCheckUtils]: 66: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:33,294 INFO L280 TraceCheckUtils]: 67: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:33,294 INFO L280 TraceCheckUtils]: 68: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:33,294 INFO L263 TraceCheckUtils]: 69: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:33,295 INFO L280 TraceCheckUtils]: 70: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:33,295 INFO L280 TraceCheckUtils]: 71: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:33,295 INFO L280 TraceCheckUtils]: 72: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:33,295 INFO L280 TraceCheckUtils]: 73: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:33,295 INFO L275 TraceCheckUtils]: 74: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-17 22:20:33,296 INFO L280 TraceCheckUtils]: 75: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:33,296 INFO L263 TraceCheckUtils]: 76: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:33,296 INFO L280 TraceCheckUtils]: 77: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:33,296 INFO L280 TraceCheckUtils]: 78: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:33,296 INFO L280 TraceCheckUtils]: 79: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:33,297 INFO L275 TraceCheckUtils]: 80: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-17 22:20:33,297 INFO L280 TraceCheckUtils]: 81: Hoare triple {3550#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {3550#true} is VALID [2020-07-17 22:20:33,297 INFO L280 TraceCheckUtils]: 82: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:33,297 INFO L275 TraceCheckUtils]: 83: Hoare quadruple {3550#true} {3550#true} #57#return; {3550#true} is VALID [2020-07-17 22:20:33,297 INFO L280 TraceCheckUtils]: 84: Hoare triple {3550#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:33,298 INFO L263 TraceCheckUtils]: 85: Hoare triple {3550#true} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-17 22:20:33,298 INFO L280 TraceCheckUtils]: 86: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:33,298 INFO L280 TraceCheckUtils]: 87: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:33,298 INFO L280 TraceCheckUtils]: 88: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:33,298 INFO L280 TraceCheckUtils]: 89: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:33,298 INFO L275 TraceCheckUtils]: 90: Hoare quadruple {3550#true} {3550#true} #59#return; {3550#true} is VALID [2020-07-17 22:20:33,299 INFO L280 TraceCheckUtils]: 91: Hoare triple {3550#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3550#true} is VALID [2020-07-17 22:20:33,299 INFO L280 TraceCheckUtils]: 92: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:33,299 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-17 22:20:33,299 INFO L280 TraceCheckUtils]: 94: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:33,299 INFO L263 TraceCheckUtils]: 95: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:33,300 INFO L280 TraceCheckUtils]: 96: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:33,300 INFO L280 TraceCheckUtils]: 97: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:33,300 INFO L280 TraceCheckUtils]: 98: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:33,300 INFO L280 TraceCheckUtils]: 99: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:33,300 INFO L275 TraceCheckUtils]: 100: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-17 22:20:33,301 INFO L280 TraceCheckUtils]: 101: Hoare triple {3550#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {3550#true} is VALID [2020-07-17 22:20:33,301 INFO L280 TraceCheckUtils]: 102: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:33,302 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {3550#true} {4064#(<= |fibo1_#in~n| 4)} #59#return; {4064#(<= |fibo1_#in~n| 4)} is VALID [2020-07-17 22:20:33,302 INFO L280 TraceCheckUtils]: 104: Hoare triple {4064#(<= |fibo1_#in~n| 4)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4064#(<= |fibo1_#in~n| 4)} is VALID [2020-07-17 22:20:33,303 INFO L280 TraceCheckUtils]: 105: Hoare triple {4064#(<= |fibo1_#in~n| 4)} assume true; {4064#(<= |fibo1_#in~n| 4)} is VALID [2020-07-17 22:20:33,304 INFO L275 TraceCheckUtils]: 106: Hoare quadruple {4064#(<= |fibo1_#in~n| 4)} {3554#(<= 5 main_~x~0)} #51#return; {3551#false} is VALID [2020-07-17 22:20:33,304 INFO L280 TraceCheckUtils]: 107: Hoare triple {3551#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {3551#false} is VALID [2020-07-17 22:20:33,304 INFO L280 TraceCheckUtils]: 108: Hoare triple {3551#false} assume 5 != ~result~0; {3551#false} is VALID [2020-07-17 22:20:33,304 INFO L280 TraceCheckUtils]: 109: Hoare triple {3551#false} assume !false; {3551#false} is VALID [2020-07-17 22:20:33,314 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 36 proven. 58 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2020-07-17 22:20:33,315 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 22:20:33,315 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 14 [2020-07-17 22:20:33,315 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517829417] [2020-07-17 22:20:33,318 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 110 [2020-07-17 22:20:33,332 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:20:33,333 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states. [2020-07-17 22:20:33,439 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 89 edges. 89 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:20:33,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-17 22:20:33,440 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:20:33,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-17 22:20:33,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-07-17 22:20:33,441 INFO L87 Difference]: Start difference. First operand 112 states and 180 transitions. Second operand 14 states. [2020-07-17 22:20:35,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:35,165 INFO L93 Difference]: Finished difference Result 244 states and 474 transitions. [2020-07-17 22:20:35,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-17 22:20:35,166 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 110 [2020-07-17 22:20:35,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:20:35,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-17 22:20:35,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 152 transitions. [2020-07-17 22:20:35,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-17 22:20:35,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 152 transitions. [2020-07-17 22:20:35,182 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 20 states and 152 transitions. [2020-07-17 22:20:35,393 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 152 edges. 152 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:20:35,402 INFO L225 Difference]: With dead ends: 244 [2020-07-17 22:20:35,402 INFO L226 Difference]: Without dead ends: 123 [2020-07-17 22:20:35,404 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=415, Unknown=0, NotChecked=0, Total=506 [2020-07-17 22:20:35,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-07-17 22:20:35,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 101. [2020-07-17 22:20:35,477 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:20:35,477 INFO L82 GeneralOperation]: Start isEquivalent. First operand 123 states. Second operand 101 states. [2020-07-17 22:20:35,478 INFO L74 IsIncluded]: Start isIncluded. First operand 123 states. Second operand 101 states. [2020-07-17 22:20:35,478 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 101 states. [2020-07-17 22:20:35,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:35,487 INFO L93 Difference]: Finished difference Result 123 states and 189 transitions. [2020-07-17 22:20:35,487 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 189 transitions. [2020-07-17 22:20:35,488 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:35,489 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:35,489 INFO L74 IsIncluded]: Start isIncluded. First operand 101 states. Second operand 123 states. [2020-07-17 22:20:35,489 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 123 states. [2020-07-17 22:20:35,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:35,497 INFO L93 Difference]: Finished difference Result 123 states and 189 transitions. [2020-07-17 22:20:35,497 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 189 transitions. [2020-07-17 22:20:35,498 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:35,498 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:35,499 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:20:35,499 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:20:35,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-07-17 22:20:35,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 154 transitions. [2020-07-17 22:20:35,505 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 154 transitions. Word has length 110 [2020-07-17 22:20:35,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:20:35,506 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 154 transitions. [2020-07-17 22:20:35,506 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-17 22:20:35,506 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 154 transitions. [2020-07-17 22:20:35,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-07-17 22:20:35,509 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:20:35,509 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:20:35,722 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:20:35,723 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:20:35,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:20:35,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1639039973, now seen corresponding path program 2 times [2020-07-17 22:20:35,724 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:20:35,725 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534511989] [2020-07-17 22:20:35,725 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:20:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:35,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:35,794 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:35,794 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {4948#true} {4948#true} #47#return; {4948#true} is VALID [2020-07-17 22:20:35,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:35,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:35,948 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:35,948 INFO L280 TraceCheckUtils]: 1: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:35,949 INFO L280 TraceCheckUtils]: 2: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {5329#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:35,950 INFO L280 TraceCheckUtils]: 3: Hoare triple {5329#(<= |fibo1_#in~n| 1)} assume true; {5329#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:35,951 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {5329#(<= |fibo1_#in~n| 1)} {5318#(= fibo2_~n |fibo2_#in~n|)} #53#return; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:35,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:35,956 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:35,956 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:35,956 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:35,957 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4948#true} {5324#(<= |fibo2_#in~n| 2)} #55#return; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:35,958 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:35,959 INFO L280 TraceCheckUtils]: 1: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:35,959 INFO L280 TraceCheckUtils]: 2: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:35,959 INFO L263 TraceCheckUtils]: 3: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:35,960 INFO L280 TraceCheckUtils]: 4: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:35,960 INFO L280 TraceCheckUtils]: 5: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:35,961 INFO L280 TraceCheckUtils]: 6: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {5329#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:35,962 INFO L280 TraceCheckUtils]: 7: Hoare triple {5329#(<= |fibo1_#in~n| 1)} assume true; {5329#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:35,963 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {5329#(<= |fibo1_#in~n| 1)} {5318#(= fibo2_~n |fibo2_#in~n|)} #53#return; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:35,964 INFO L280 TraceCheckUtils]: 9: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:35,964 INFO L263 TraceCheckUtils]: 10: Hoare triple {5324#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:35,964 INFO L280 TraceCheckUtils]: 11: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:35,964 INFO L280 TraceCheckUtils]: 12: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:35,964 INFO L280 TraceCheckUtils]: 13: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:35,965 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {4948#true} {5324#(<= |fibo2_#in~n| 2)} #55#return; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:35,966 INFO L280 TraceCheckUtils]: 15: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:35,966 INFO L280 TraceCheckUtils]: 16: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume true; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:35,968 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {5324#(<= |fibo2_#in~n| 2)} {5293#(= fibo1_~n |fibo1_#in~n|)} #57#return; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:35,972 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:35,973 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:35,973 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:35,973 INFO L280 TraceCheckUtils]: 3: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:35,974 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4948#true} {5312#(<= |fibo1_#in~n| 3)} #59#return; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:35,975 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:35,976 INFO L280 TraceCheckUtils]: 1: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:35,976 INFO L280 TraceCheckUtils]: 2: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:35,976 INFO L263 TraceCheckUtils]: 3: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:35,977 INFO L280 TraceCheckUtils]: 4: Hoare triple {4948#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:35,977 INFO L280 TraceCheckUtils]: 5: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:35,978 INFO L280 TraceCheckUtils]: 6: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:35,978 INFO L263 TraceCheckUtils]: 7: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:35,979 INFO L280 TraceCheckUtils]: 8: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:35,979 INFO L280 TraceCheckUtils]: 9: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:35,980 INFO L280 TraceCheckUtils]: 10: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {5329#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:35,981 INFO L280 TraceCheckUtils]: 11: Hoare triple {5329#(<= |fibo1_#in~n| 1)} assume true; {5329#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:35,982 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {5329#(<= |fibo1_#in~n| 1)} {5318#(= fibo2_~n |fibo2_#in~n|)} #53#return; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:35,982 INFO L280 TraceCheckUtils]: 13: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:35,983 INFO L263 TraceCheckUtils]: 14: Hoare triple {5324#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:35,983 INFO L280 TraceCheckUtils]: 15: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:35,983 INFO L280 TraceCheckUtils]: 16: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:35,983 INFO L280 TraceCheckUtils]: 17: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:35,984 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {4948#true} {5324#(<= |fibo2_#in~n| 2)} #55#return; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:35,985 INFO L280 TraceCheckUtils]: 19: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:35,985 INFO L280 TraceCheckUtils]: 20: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume true; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:35,986 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {5324#(<= |fibo2_#in~n| 2)} {5293#(= fibo1_~n |fibo1_#in~n|)} #57#return; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:35,987 INFO L280 TraceCheckUtils]: 22: Hoare triple {5312#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:35,987 INFO L263 TraceCheckUtils]: 23: Hoare triple {5312#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:35,987 INFO L280 TraceCheckUtils]: 24: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:35,988 INFO L280 TraceCheckUtils]: 25: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:35,988 INFO L280 TraceCheckUtils]: 26: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:35,988 INFO L280 TraceCheckUtils]: 27: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:35,989 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {4948#true} {5312#(<= |fibo1_#in~n| 3)} #59#return; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:35,990 INFO L280 TraceCheckUtils]: 29: Hoare triple {5312#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:35,990 INFO L280 TraceCheckUtils]: 30: Hoare triple {5312#(<= |fibo1_#in~n| 3)} assume true; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:35,991 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {5312#(<= |fibo1_#in~n| 3)} {4948#true} #53#return; {5260#(<= fibo2_~n 4)} is VALID [2020-07-17 22:20:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:36,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:36,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:36,083 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,083 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,084 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,084 INFO L280 TraceCheckUtils]: 3: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,085 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4948#true} {5355#(<= 2 |fibo2_#in~n|)} #53#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:36,090 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,091 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:36,091 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,092 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4948#true} {5355#(<= 2 |fibo2_#in~n|)} #55#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,093 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,094 INFO L280 TraceCheckUtils]: 1: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5354#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-17 22:20:36,094 INFO L280 TraceCheckUtils]: 2: Hoare triple {5354#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,095 INFO L263 TraceCheckUtils]: 3: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,095 INFO L280 TraceCheckUtils]: 4: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,095 INFO L280 TraceCheckUtils]: 5: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,095 INFO L280 TraceCheckUtils]: 6: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,096 INFO L280 TraceCheckUtils]: 7: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,097 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {4948#true} {5355#(<= 2 |fibo2_#in~n|)} #53#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,097 INFO L280 TraceCheckUtils]: 9: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,097 INFO L263 TraceCheckUtils]: 10: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,098 INFO L280 TraceCheckUtils]: 11: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,098 INFO L280 TraceCheckUtils]: 12: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:36,098 INFO L280 TraceCheckUtils]: 13: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,099 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {4948#true} {5355#(<= 2 |fibo2_#in~n|)} #55#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,100 INFO L280 TraceCheckUtils]: 15: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,100 INFO L280 TraceCheckUtils]: 16: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume true; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,102 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {5355#(<= 2 |fibo2_#in~n|)} {5293#(= fibo1_~n |fibo1_#in~n|)} #57#return; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:36,109 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,109 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,109 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,110 INFO L280 TraceCheckUtils]: 3: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,111 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4948#true} {5348#(<= 3 |fibo1_#in~n|)} #59#return; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,111 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,112 INFO L280 TraceCheckUtils]: 1: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,112 INFO L280 TraceCheckUtils]: 2: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,113 INFO L263 TraceCheckUtils]: 3: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,113 INFO L280 TraceCheckUtils]: 4: Hoare triple {4948#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,114 INFO L280 TraceCheckUtils]: 5: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5354#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-17 22:20:36,115 INFO L280 TraceCheckUtils]: 6: Hoare triple {5354#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,115 INFO L263 TraceCheckUtils]: 7: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,115 INFO L280 TraceCheckUtils]: 8: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,116 INFO L280 TraceCheckUtils]: 9: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,116 INFO L280 TraceCheckUtils]: 10: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,116 INFO L280 TraceCheckUtils]: 11: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,117 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {4948#true} {5355#(<= 2 |fibo2_#in~n|)} #53#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,118 INFO L280 TraceCheckUtils]: 13: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,118 INFO L263 TraceCheckUtils]: 14: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,118 INFO L280 TraceCheckUtils]: 15: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,118 INFO L280 TraceCheckUtils]: 16: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:36,118 INFO L280 TraceCheckUtils]: 17: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,119 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {4948#true} {5355#(<= 2 |fibo2_#in~n|)} #55#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,120 INFO L280 TraceCheckUtils]: 19: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,120 INFO L280 TraceCheckUtils]: 20: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume true; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,122 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {5355#(<= 2 |fibo2_#in~n|)} {5293#(= fibo1_~n |fibo1_#in~n|)} #57#return; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,122 INFO L280 TraceCheckUtils]: 22: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,123 INFO L263 TraceCheckUtils]: 23: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,123 INFO L280 TraceCheckUtils]: 24: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,123 INFO L280 TraceCheckUtils]: 25: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,123 INFO L280 TraceCheckUtils]: 26: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,124 INFO L280 TraceCheckUtils]: 27: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,125 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {4948#true} {5348#(<= 3 |fibo1_#in~n|)} #59#return; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,125 INFO L280 TraceCheckUtils]: 29: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,126 INFO L280 TraceCheckUtils]: 30: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume true; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,127 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {5348#(<= 3 |fibo1_#in~n|)} {5260#(<= fibo2_~n 4)} #55#return; {4949#false} is VALID [2020-07-17 22:20:36,128 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,128 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,128 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:36,129 INFO L263 TraceCheckUtils]: 3: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,129 INFO L280 TraceCheckUtils]: 4: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,130 INFO L280 TraceCheckUtils]: 5: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,130 INFO L280 TraceCheckUtils]: 6: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,131 INFO L263 TraceCheckUtils]: 7: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,131 INFO L280 TraceCheckUtils]: 8: Hoare triple {4948#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,132 INFO L280 TraceCheckUtils]: 9: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,132 INFO L280 TraceCheckUtils]: 10: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,132 INFO L263 TraceCheckUtils]: 11: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,133 INFO L280 TraceCheckUtils]: 12: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,133 INFO L280 TraceCheckUtils]: 13: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,134 INFO L280 TraceCheckUtils]: 14: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {5329#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:36,135 INFO L280 TraceCheckUtils]: 15: Hoare triple {5329#(<= |fibo1_#in~n| 1)} assume true; {5329#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:36,136 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {5329#(<= |fibo1_#in~n| 1)} {5318#(= fibo2_~n |fibo2_#in~n|)} #53#return; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:36,137 INFO L280 TraceCheckUtils]: 17: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:36,137 INFO L263 TraceCheckUtils]: 18: Hoare triple {5324#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,137 INFO L280 TraceCheckUtils]: 19: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,137 INFO L280 TraceCheckUtils]: 20: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:36,138 INFO L280 TraceCheckUtils]: 21: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,138 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {4948#true} {5324#(<= |fibo2_#in~n| 2)} #55#return; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:36,139 INFO L280 TraceCheckUtils]: 23: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:36,140 INFO L280 TraceCheckUtils]: 24: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume true; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:36,141 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {5324#(<= |fibo2_#in~n| 2)} {5293#(= fibo1_~n |fibo1_#in~n|)} #57#return; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:36,141 INFO L280 TraceCheckUtils]: 26: Hoare triple {5312#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:36,142 INFO L263 TraceCheckUtils]: 27: Hoare triple {5312#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,142 INFO L280 TraceCheckUtils]: 28: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,142 INFO L280 TraceCheckUtils]: 29: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,142 INFO L280 TraceCheckUtils]: 30: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,143 INFO L280 TraceCheckUtils]: 31: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,143 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {4948#true} {5312#(<= |fibo1_#in~n| 3)} #59#return; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:36,144 INFO L280 TraceCheckUtils]: 33: Hoare triple {5312#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:36,145 INFO L280 TraceCheckUtils]: 34: Hoare triple {5312#(<= |fibo1_#in~n| 3)} assume true; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:36,146 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {5312#(<= |fibo1_#in~n| 3)} {4948#true} #53#return; {5260#(<= fibo2_~n 4)} is VALID [2020-07-17 22:20:36,146 INFO L280 TraceCheckUtils]: 36: Hoare triple {5260#(<= fibo2_~n 4)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5260#(<= fibo2_~n 4)} is VALID [2020-07-17 22:20:36,147 INFO L263 TraceCheckUtils]: 37: Hoare triple {5260#(<= fibo2_~n 4)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,147 INFO L280 TraceCheckUtils]: 38: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,148 INFO L280 TraceCheckUtils]: 39: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,148 INFO L280 TraceCheckUtils]: 40: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,148 INFO L263 TraceCheckUtils]: 41: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,149 INFO L280 TraceCheckUtils]: 42: Hoare triple {4948#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,150 INFO L280 TraceCheckUtils]: 43: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5354#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-17 22:20:36,151 INFO L280 TraceCheckUtils]: 44: Hoare triple {5354#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,151 INFO L263 TraceCheckUtils]: 45: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,151 INFO L280 TraceCheckUtils]: 46: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,151 INFO L280 TraceCheckUtils]: 47: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,152 INFO L280 TraceCheckUtils]: 48: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,152 INFO L280 TraceCheckUtils]: 49: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,153 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {4948#true} {5355#(<= 2 |fibo2_#in~n|)} #53#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,153 INFO L280 TraceCheckUtils]: 51: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,153 INFO L263 TraceCheckUtils]: 52: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,154 INFO L280 TraceCheckUtils]: 53: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,154 INFO L280 TraceCheckUtils]: 54: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:36,154 INFO L280 TraceCheckUtils]: 55: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,155 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {4948#true} {5355#(<= 2 |fibo2_#in~n|)} #55#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,155 INFO L280 TraceCheckUtils]: 57: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,156 INFO L280 TraceCheckUtils]: 58: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume true; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,157 INFO L275 TraceCheckUtils]: 59: Hoare quadruple {5355#(<= 2 |fibo2_#in~n|)} {5293#(= fibo1_~n |fibo1_#in~n|)} #57#return; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,158 INFO L280 TraceCheckUtils]: 60: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,158 INFO L263 TraceCheckUtils]: 61: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,158 INFO L280 TraceCheckUtils]: 62: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,159 INFO L280 TraceCheckUtils]: 63: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,159 INFO L280 TraceCheckUtils]: 64: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,159 INFO L280 TraceCheckUtils]: 65: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,160 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {4948#true} {5348#(<= 3 |fibo1_#in~n|)} #59#return; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,161 INFO L280 TraceCheckUtils]: 67: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,161 INFO L280 TraceCheckUtils]: 68: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume true; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,162 INFO L275 TraceCheckUtils]: 69: Hoare quadruple {5348#(<= 3 |fibo1_#in~n|)} {5260#(<= fibo2_~n 4)} #55#return; {4949#false} is VALID [2020-07-17 22:20:36,163 INFO L280 TraceCheckUtils]: 70: Hoare triple {4949#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4949#false} is VALID [2020-07-17 22:20:36,163 INFO L280 TraceCheckUtils]: 71: Hoare triple {4949#false} assume true; {4949#false} is VALID [2020-07-17 22:20:36,163 INFO L275 TraceCheckUtils]: 72: Hoare quadruple {4949#false} {4948#true} #57#return; {4949#false} is VALID [2020-07-17 22:20:36,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:36,195 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,195 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,195 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,196 INFO L280 TraceCheckUtils]: 3: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,196 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4948#true} {4948#true} #57#return; {4948#true} is VALID [2020-07-17 22:20:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:36,201 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,201 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,201 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,202 INFO L280 TraceCheckUtils]: 3: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,202 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4948#true} {4948#true} #59#return; {4948#true} is VALID [2020-07-17 22:20:36,202 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,202 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,203 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:36,203 INFO L263 TraceCheckUtils]: 3: Hoare triple {4948#true} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,203 INFO L280 TraceCheckUtils]: 4: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,203 INFO L280 TraceCheckUtils]: 5: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,203 INFO L280 TraceCheckUtils]: 6: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,204 INFO L280 TraceCheckUtils]: 7: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,204 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {4948#true} {4948#true} #57#return; {4948#true} is VALID [2020-07-17 22:20:36,204 INFO L280 TraceCheckUtils]: 9: Hoare triple {4948#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:36,204 INFO L263 TraceCheckUtils]: 10: Hoare triple {4948#true} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,204 INFO L280 TraceCheckUtils]: 11: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,205 INFO L280 TraceCheckUtils]: 12: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,205 INFO L280 TraceCheckUtils]: 13: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,205 INFO L280 TraceCheckUtils]: 14: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,205 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {4948#true} {4948#true} #59#return; {4948#true} is VALID [2020-07-17 22:20:36,205 INFO L280 TraceCheckUtils]: 16: Hoare triple {4948#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4948#true} is VALID [2020-07-17 22:20:36,206 INFO L280 TraceCheckUtils]: 17: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,206 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {4948#true} {4948#true} #53#return; {4948#true} is VALID [2020-07-17 22:20:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:36,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:36,222 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,223 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,223 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,223 INFO L280 TraceCheckUtils]: 3: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,223 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4948#true} {4948#true} #53#return; {4948#true} is VALID [2020-07-17 22:20:36,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:36,227 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,227 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:36,227 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,228 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4948#true} {4948#true} #55#return; {4948#true} is VALID [2020-07-17 22:20:36,228 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,228 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,228 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:36,229 INFO L263 TraceCheckUtils]: 3: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,229 INFO L280 TraceCheckUtils]: 4: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,229 INFO L280 TraceCheckUtils]: 5: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,229 INFO L280 TraceCheckUtils]: 6: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,229 INFO L280 TraceCheckUtils]: 7: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,230 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {4948#true} {4948#true} #53#return; {4948#true} is VALID [2020-07-17 22:20:36,230 INFO L280 TraceCheckUtils]: 9: Hoare triple {4948#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:36,230 INFO L263 TraceCheckUtils]: 10: Hoare triple {4948#true} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,230 INFO L280 TraceCheckUtils]: 11: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,231 INFO L280 TraceCheckUtils]: 12: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:36,231 INFO L280 TraceCheckUtils]: 13: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,231 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {4948#true} {4948#true} #55#return; {4948#true} is VALID [2020-07-17 22:20:36,231 INFO L280 TraceCheckUtils]: 15: Hoare triple {4948#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4948#true} is VALID [2020-07-17 22:20:36,231 INFO L280 TraceCheckUtils]: 16: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,232 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {4948#true} {4948#true} #57#return; {4948#true} is VALID [2020-07-17 22:20:36,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:36,235 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,236 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,236 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,236 INFO L280 TraceCheckUtils]: 3: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,236 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4948#true} {4948#true} #59#return; {4948#true} is VALID [2020-07-17 22:20:36,236 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,237 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,237 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:36,237 INFO L263 TraceCheckUtils]: 3: Hoare triple {4948#true} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,237 INFO L280 TraceCheckUtils]: 4: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,238 INFO L280 TraceCheckUtils]: 5: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,238 INFO L280 TraceCheckUtils]: 6: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:36,238 INFO L263 TraceCheckUtils]: 7: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,238 INFO L280 TraceCheckUtils]: 8: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,238 INFO L280 TraceCheckUtils]: 9: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,239 INFO L280 TraceCheckUtils]: 10: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,239 INFO L280 TraceCheckUtils]: 11: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,239 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {4948#true} {4948#true} #53#return; {4948#true} is VALID [2020-07-17 22:20:36,239 INFO L280 TraceCheckUtils]: 13: Hoare triple {4948#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:36,239 INFO L263 TraceCheckUtils]: 14: Hoare triple {4948#true} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,240 INFO L280 TraceCheckUtils]: 15: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,240 INFO L280 TraceCheckUtils]: 16: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:36,240 INFO L280 TraceCheckUtils]: 17: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,240 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {4948#true} {4948#true} #55#return; {4948#true} is VALID [2020-07-17 22:20:36,240 INFO L280 TraceCheckUtils]: 19: Hoare triple {4948#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4948#true} is VALID [2020-07-17 22:20:36,241 INFO L280 TraceCheckUtils]: 20: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,241 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {4948#true} {4948#true} #57#return; {4948#true} is VALID [2020-07-17 22:20:36,241 INFO L280 TraceCheckUtils]: 22: Hoare triple {4948#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:36,241 INFO L263 TraceCheckUtils]: 23: Hoare triple {4948#true} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,241 INFO L280 TraceCheckUtils]: 24: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,242 INFO L280 TraceCheckUtils]: 25: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,242 INFO L280 TraceCheckUtils]: 26: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,242 INFO L280 TraceCheckUtils]: 27: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,242 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {4948#true} {4948#true} #59#return; {4948#true} is VALID [2020-07-17 22:20:36,242 INFO L280 TraceCheckUtils]: 29: Hoare triple {4948#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4948#true} is VALID [2020-07-17 22:20:36,243 INFO L280 TraceCheckUtils]: 30: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,243 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {4948#true} {4948#true} #55#return; {4948#true} is VALID [2020-07-17 22:20:36,244 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,244 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,244 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:36,244 INFO L263 TraceCheckUtils]: 3: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,245 INFO L280 TraceCheckUtils]: 4: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,245 INFO L280 TraceCheckUtils]: 5: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,245 INFO L280 TraceCheckUtils]: 6: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:36,245 INFO L263 TraceCheckUtils]: 7: Hoare triple {4948#true} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,245 INFO L280 TraceCheckUtils]: 8: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,245 INFO L280 TraceCheckUtils]: 9: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,246 INFO L280 TraceCheckUtils]: 10: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,246 INFO L280 TraceCheckUtils]: 11: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,246 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {4948#true} {4948#true} #57#return; {4948#true} is VALID [2020-07-17 22:20:36,246 INFO L280 TraceCheckUtils]: 13: Hoare triple {4948#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:36,246 INFO L263 TraceCheckUtils]: 14: Hoare triple {4948#true} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,247 INFO L280 TraceCheckUtils]: 15: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,247 INFO L280 TraceCheckUtils]: 16: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,247 INFO L280 TraceCheckUtils]: 17: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,247 INFO L280 TraceCheckUtils]: 18: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,247 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {4948#true} {4948#true} #59#return; {4948#true} is VALID [2020-07-17 22:20:36,248 INFO L280 TraceCheckUtils]: 20: Hoare triple {4948#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4948#true} is VALID [2020-07-17 22:20:36,248 INFO L280 TraceCheckUtils]: 21: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,248 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {4948#true} {4948#true} #53#return; {4948#true} is VALID [2020-07-17 22:20:36,248 INFO L280 TraceCheckUtils]: 23: Hoare triple {4948#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:36,248 INFO L263 TraceCheckUtils]: 24: Hoare triple {4948#true} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,249 INFO L280 TraceCheckUtils]: 25: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,249 INFO L280 TraceCheckUtils]: 26: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,249 INFO L280 TraceCheckUtils]: 27: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:36,249 INFO L263 TraceCheckUtils]: 28: Hoare triple {4948#true} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,250 INFO L280 TraceCheckUtils]: 29: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,250 INFO L280 TraceCheckUtils]: 30: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,250 INFO L280 TraceCheckUtils]: 31: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:36,250 INFO L263 TraceCheckUtils]: 32: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,250 INFO L280 TraceCheckUtils]: 33: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,251 INFO L280 TraceCheckUtils]: 34: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,251 INFO L280 TraceCheckUtils]: 35: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,251 INFO L280 TraceCheckUtils]: 36: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,251 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {4948#true} {4948#true} #53#return; {4948#true} is VALID [2020-07-17 22:20:36,251 INFO L280 TraceCheckUtils]: 38: Hoare triple {4948#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:36,252 INFO L263 TraceCheckUtils]: 39: Hoare triple {4948#true} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,252 INFO L280 TraceCheckUtils]: 40: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,252 INFO L280 TraceCheckUtils]: 41: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:36,252 INFO L280 TraceCheckUtils]: 42: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,252 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {4948#true} {4948#true} #55#return; {4948#true} is VALID [2020-07-17 22:20:36,253 INFO L280 TraceCheckUtils]: 44: Hoare triple {4948#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4948#true} is VALID [2020-07-17 22:20:36,253 INFO L280 TraceCheckUtils]: 45: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,253 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {4948#true} {4948#true} #57#return; {4948#true} is VALID [2020-07-17 22:20:36,253 INFO L280 TraceCheckUtils]: 47: Hoare triple {4948#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:36,253 INFO L263 TraceCheckUtils]: 48: Hoare triple {4948#true} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,254 INFO L280 TraceCheckUtils]: 49: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,254 INFO L280 TraceCheckUtils]: 50: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,254 INFO L280 TraceCheckUtils]: 51: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,254 INFO L280 TraceCheckUtils]: 52: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,254 INFO L275 TraceCheckUtils]: 53: Hoare quadruple {4948#true} {4948#true} #59#return; {4948#true} is VALID [2020-07-17 22:20:36,255 INFO L280 TraceCheckUtils]: 54: Hoare triple {4948#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4948#true} is VALID [2020-07-17 22:20:36,255 INFO L280 TraceCheckUtils]: 55: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,255 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {4948#true} {4948#true} #55#return; {4948#true} is VALID [2020-07-17 22:20:36,255 INFO L280 TraceCheckUtils]: 57: Hoare triple {4948#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4948#true} is VALID [2020-07-17 22:20:36,255 INFO L280 TraceCheckUtils]: 58: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,255 INFO L275 TraceCheckUtils]: 59: Hoare quadruple {4948#true} {4949#false} #59#return; {4949#false} is VALID [2020-07-17 22:20:36,258 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,258 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,258 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:36,258 INFO L263 TraceCheckUtils]: 3: Hoare triple {4948#true} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,259 INFO L280 TraceCheckUtils]: 4: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,259 INFO L280 TraceCheckUtils]: 5: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,259 INFO L280 TraceCheckUtils]: 6: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:36,259 INFO L263 TraceCheckUtils]: 7: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,260 INFO L280 TraceCheckUtils]: 8: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,261 INFO L280 TraceCheckUtils]: 9: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,262 INFO L280 TraceCheckUtils]: 10: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,262 INFO L263 TraceCheckUtils]: 11: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,262 INFO L280 TraceCheckUtils]: 12: Hoare triple {4948#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,278 INFO L280 TraceCheckUtils]: 13: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,279 INFO L280 TraceCheckUtils]: 14: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,280 INFO L263 TraceCheckUtils]: 15: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,281 INFO L280 TraceCheckUtils]: 16: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,285 INFO L280 TraceCheckUtils]: 17: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,286 INFO L280 TraceCheckUtils]: 18: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {5329#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:36,287 INFO L280 TraceCheckUtils]: 19: Hoare triple {5329#(<= |fibo1_#in~n| 1)} assume true; {5329#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:36,288 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {5329#(<= |fibo1_#in~n| 1)} {5318#(= fibo2_~n |fibo2_#in~n|)} #53#return; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:36,289 INFO L280 TraceCheckUtils]: 21: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:36,289 INFO L263 TraceCheckUtils]: 22: Hoare triple {5324#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,289 INFO L280 TraceCheckUtils]: 23: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,289 INFO L280 TraceCheckUtils]: 24: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:36,290 INFO L280 TraceCheckUtils]: 25: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,290 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {4948#true} {5324#(<= |fibo2_#in~n| 2)} #55#return; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:36,291 INFO L280 TraceCheckUtils]: 27: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:36,292 INFO L280 TraceCheckUtils]: 28: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume true; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:36,293 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {5324#(<= |fibo2_#in~n| 2)} {5293#(= fibo1_~n |fibo1_#in~n|)} #57#return; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:36,293 INFO L280 TraceCheckUtils]: 30: Hoare triple {5312#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:36,293 INFO L263 TraceCheckUtils]: 31: Hoare triple {5312#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,294 INFO L280 TraceCheckUtils]: 32: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,294 INFO L280 TraceCheckUtils]: 33: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,294 INFO L280 TraceCheckUtils]: 34: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,294 INFO L280 TraceCheckUtils]: 35: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,295 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {4948#true} {5312#(<= |fibo1_#in~n| 3)} #59#return; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:36,296 INFO L280 TraceCheckUtils]: 37: Hoare triple {5312#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:36,296 INFO L280 TraceCheckUtils]: 38: Hoare triple {5312#(<= |fibo1_#in~n| 3)} assume true; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:36,297 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {5312#(<= |fibo1_#in~n| 3)} {4948#true} #53#return; {5260#(<= fibo2_~n 4)} is VALID [2020-07-17 22:20:36,298 INFO L280 TraceCheckUtils]: 40: Hoare triple {5260#(<= fibo2_~n 4)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5260#(<= fibo2_~n 4)} is VALID [2020-07-17 22:20:36,298 INFO L263 TraceCheckUtils]: 41: Hoare triple {5260#(<= fibo2_~n 4)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,299 INFO L280 TraceCheckUtils]: 42: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,299 INFO L280 TraceCheckUtils]: 43: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,300 INFO L280 TraceCheckUtils]: 44: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,300 INFO L263 TraceCheckUtils]: 45: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,301 INFO L280 TraceCheckUtils]: 46: Hoare triple {4948#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,301 INFO L280 TraceCheckUtils]: 47: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5354#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-17 22:20:36,302 INFO L280 TraceCheckUtils]: 48: Hoare triple {5354#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,302 INFO L263 TraceCheckUtils]: 49: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,303 INFO L280 TraceCheckUtils]: 50: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,303 INFO L280 TraceCheckUtils]: 51: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,303 INFO L280 TraceCheckUtils]: 52: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,303 INFO L280 TraceCheckUtils]: 53: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,304 INFO L275 TraceCheckUtils]: 54: Hoare quadruple {4948#true} {5355#(<= 2 |fibo2_#in~n|)} #53#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,305 INFO L280 TraceCheckUtils]: 55: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,305 INFO L263 TraceCheckUtils]: 56: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,305 INFO L280 TraceCheckUtils]: 57: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,305 INFO L280 TraceCheckUtils]: 58: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:36,305 INFO L280 TraceCheckUtils]: 59: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,306 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {4948#true} {5355#(<= 2 |fibo2_#in~n|)} #55#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,307 INFO L280 TraceCheckUtils]: 61: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,307 INFO L280 TraceCheckUtils]: 62: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume true; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,308 INFO L275 TraceCheckUtils]: 63: Hoare quadruple {5355#(<= 2 |fibo2_#in~n|)} {5293#(= fibo1_~n |fibo1_#in~n|)} #57#return; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,309 INFO L280 TraceCheckUtils]: 64: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,309 INFO L263 TraceCheckUtils]: 65: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,309 INFO L280 TraceCheckUtils]: 66: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,310 INFO L280 TraceCheckUtils]: 67: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,310 INFO L280 TraceCheckUtils]: 68: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,310 INFO L280 TraceCheckUtils]: 69: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,311 INFO L275 TraceCheckUtils]: 70: Hoare quadruple {4948#true} {5348#(<= 3 |fibo1_#in~n|)} #59#return; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,311 INFO L280 TraceCheckUtils]: 71: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,312 INFO L280 TraceCheckUtils]: 72: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume true; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,313 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {5348#(<= 3 |fibo1_#in~n|)} {5260#(<= fibo2_~n 4)} #55#return; {4949#false} is VALID [2020-07-17 22:20:36,313 INFO L280 TraceCheckUtils]: 74: Hoare triple {4949#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4949#false} is VALID [2020-07-17 22:20:36,314 INFO L280 TraceCheckUtils]: 75: Hoare triple {4949#false} assume true; {4949#false} is VALID [2020-07-17 22:20:36,314 INFO L275 TraceCheckUtils]: 76: Hoare quadruple {4949#false} {4948#true} #57#return; {4949#false} is VALID [2020-07-17 22:20:36,314 INFO L280 TraceCheckUtils]: 77: Hoare triple {4949#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4949#false} is VALID [2020-07-17 22:20:36,314 INFO L263 TraceCheckUtils]: 78: Hoare triple {4949#false} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,314 INFO L280 TraceCheckUtils]: 79: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,315 INFO L280 TraceCheckUtils]: 80: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,315 INFO L280 TraceCheckUtils]: 81: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:36,315 INFO L263 TraceCheckUtils]: 82: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,315 INFO L280 TraceCheckUtils]: 83: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,315 INFO L280 TraceCheckUtils]: 84: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,315 INFO L280 TraceCheckUtils]: 85: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:36,316 INFO L263 TraceCheckUtils]: 86: Hoare triple {4948#true} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,316 INFO L280 TraceCheckUtils]: 87: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,316 INFO L280 TraceCheckUtils]: 88: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,316 INFO L280 TraceCheckUtils]: 89: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,316 INFO L280 TraceCheckUtils]: 90: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,317 INFO L275 TraceCheckUtils]: 91: Hoare quadruple {4948#true} {4948#true} #57#return; {4948#true} is VALID [2020-07-17 22:20:36,317 INFO L280 TraceCheckUtils]: 92: Hoare triple {4948#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:36,317 INFO L263 TraceCheckUtils]: 93: Hoare triple {4948#true} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,317 INFO L280 TraceCheckUtils]: 94: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,317 INFO L280 TraceCheckUtils]: 95: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,318 INFO L280 TraceCheckUtils]: 96: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,318 INFO L280 TraceCheckUtils]: 97: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,318 INFO L275 TraceCheckUtils]: 98: Hoare quadruple {4948#true} {4948#true} #59#return; {4948#true} is VALID [2020-07-17 22:20:36,318 INFO L280 TraceCheckUtils]: 99: Hoare triple {4948#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4948#true} is VALID [2020-07-17 22:20:36,318 INFO L280 TraceCheckUtils]: 100: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,319 INFO L275 TraceCheckUtils]: 101: Hoare quadruple {4948#true} {4948#true} #53#return; {4948#true} is VALID [2020-07-17 22:20:36,319 INFO L280 TraceCheckUtils]: 102: Hoare triple {4948#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:36,319 INFO L263 TraceCheckUtils]: 103: Hoare triple {4948#true} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,319 INFO L280 TraceCheckUtils]: 104: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,319 INFO L280 TraceCheckUtils]: 105: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,320 INFO L280 TraceCheckUtils]: 106: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:36,320 INFO L263 TraceCheckUtils]: 107: Hoare triple {4948#true} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,320 INFO L280 TraceCheckUtils]: 108: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,320 INFO L280 TraceCheckUtils]: 109: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,320 INFO L280 TraceCheckUtils]: 110: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:36,320 INFO L263 TraceCheckUtils]: 111: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,320 INFO L280 TraceCheckUtils]: 112: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,321 INFO L280 TraceCheckUtils]: 113: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,321 INFO L280 TraceCheckUtils]: 114: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,321 INFO L280 TraceCheckUtils]: 115: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,321 INFO L275 TraceCheckUtils]: 116: Hoare quadruple {4948#true} {4948#true} #53#return; {4948#true} is VALID [2020-07-17 22:20:36,321 INFO L280 TraceCheckUtils]: 117: Hoare triple {4948#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:36,321 INFO L263 TraceCheckUtils]: 118: Hoare triple {4948#true} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,321 INFO L280 TraceCheckUtils]: 119: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,321 INFO L280 TraceCheckUtils]: 120: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:36,322 INFO L280 TraceCheckUtils]: 121: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,322 INFO L275 TraceCheckUtils]: 122: Hoare quadruple {4948#true} {4948#true} #55#return; {4948#true} is VALID [2020-07-17 22:20:36,322 INFO L280 TraceCheckUtils]: 123: Hoare triple {4948#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4948#true} is VALID [2020-07-17 22:20:36,322 INFO L280 TraceCheckUtils]: 124: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,322 INFO L275 TraceCheckUtils]: 125: Hoare quadruple {4948#true} {4948#true} #57#return; {4948#true} is VALID [2020-07-17 22:20:36,323 INFO L280 TraceCheckUtils]: 126: Hoare triple {4948#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:36,323 INFO L263 TraceCheckUtils]: 127: Hoare triple {4948#true} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,323 INFO L280 TraceCheckUtils]: 128: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,323 INFO L280 TraceCheckUtils]: 129: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,323 INFO L280 TraceCheckUtils]: 130: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,324 INFO L280 TraceCheckUtils]: 131: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,324 INFO L275 TraceCheckUtils]: 132: Hoare quadruple {4948#true} {4948#true} #59#return; {4948#true} is VALID [2020-07-17 22:20:36,324 INFO L280 TraceCheckUtils]: 133: Hoare triple {4948#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4948#true} is VALID [2020-07-17 22:20:36,324 INFO L280 TraceCheckUtils]: 134: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,324 INFO L275 TraceCheckUtils]: 135: Hoare quadruple {4948#true} {4948#true} #55#return; {4948#true} is VALID [2020-07-17 22:20:36,325 INFO L280 TraceCheckUtils]: 136: Hoare triple {4948#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4948#true} is VALID [2020-07-17 22:20:36,325 INFO L280 TraceCheckUtils]: 137: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,325 INFO L275 TraceCheckUtils]: 138: Hoare quadruple {4948#true} {4949#false} #59#return; {4949#false} is VALID [2020-07-17 22:20:36,325 INFO L280 TraceCheckUtils]: 139: Hoare triple {4949#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4949#false} is VALID [2020-07-17 22:20:36,325 INFO L280 TraceCheckUtils]: 140: Hoare triple {4949#false} assume true; {4949#false} is VALID [2020-07-17 22:20:36,326 INFO L275 TraceCheckUtils]: 141: Hoare quadruple {4949#false} {4952#(<= main_~x~0 5)} #51#return; {4949#false} is VALID [2020-07-17 22:20:36,338 INFO L263 TraceCheckUtils]: 0: Hoare triple {4948#true} call ULTIMATE.init(); {4948#true} is VALID [2020-07-17 22:20:36,338 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,338 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4948#true} {4948#true} #47#return; {4948#true} is VALID [2020-07-17 22:20:36,339 INFO L263 TraceCheckUtils]: 3: Hoare triple {4948#true} call #t~ret5 := main(); {4948#true} is VALID [2020-07-17 22:20:36,340 INFO L280 TraceCheckUtils]: 4: Hoare triple {4948#true} ~x~0 := 5; {4952#(<= main_~x~0 5)} is VALID [2020-07-17 22:20:36,340 INFO L263 TraceCheckUtils]: 5: Hoare triple {4952#(<= main_~x~0 5)} call #t~ret4 := fibo1(~x~0); {4948#true} is VALID [2020-07-17 22:20:36,340 INFO L280 TraceCheckUtils]: 6: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,340 INFO L280 TraceCheckUtils]: 7: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,340 INFO L280 TraceCheckUtils]: 8: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:36,341 INFO L263 TraceCheckUtils]: 9: Hoare triple {4948#true} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,341 INFO L280 TraceCheckUtils]: 10: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,341 INFO L280 TraceCheckUtils]: 11: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,341 INFO L280 TraceCheckUtils]: 12: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:36,341 INFO L263 TraceCheckUtils]: 13: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,342 INFO L280 TraceCheckUtils]: 14: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,342 INFO L280 TraceCheckUtils]: 15: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,343 INFO L280 TraceCheckUtils]: 16: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,343 INFO L263 TraceCheckUtils]: 17: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,344 INFO L280 TraceCheckUtils]: 18: Hoare triple {4948#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,344 INFO L280 TraceCheckUtils]: 19: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,345 INFO L280 TraceCheckUtils]: 20: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,345 INFO L263 TraceCheckUtils]: 21: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,345 INFO L280 TraceCheckUtils]: 22: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,346 INFO L280 TraceCheckUtils]: 23: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,347 INFO L280 TraceCheckUtils]: 24: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {5329#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:36,347 INFO L280 TraceCheckUtils]: 25: Hoare triple {5329#(<= |fibo1_#in~n| 1)} assume true; {5329#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:36,348 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {5329#(<= |fibo1_#in~n| 1)} {5318#(= fibo2_~n |fibo2_#in~n|)} #53#return; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:36,349 INFO L280 TraceCheckUtils]: 27: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:36,349 INFO L263 TraceCheckUtils]: 28: Hoare triple {5324#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,349 INFO L280 TraceCheckUtils]: 29: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,349 INFO L280 TraceCheckUtils]: 30: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:36,350 INFO L280 TraceCheckUtils]: 31: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,350 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {4948#true} {5324#(<= |fibo2_#in~n| 2)} #55#return; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:36,351 INFO L280 TraceCheckUtils]: 33: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:36,351 INFO L280 TraceCheckUtils]: 34: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume true; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:36,353 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {5324#(<= |fibo2_#in~n| 2)} {5293#(= fibo1_~n |fibo1_#in~n|)} #57#return; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:36,353 INFO L280 TraceCheckUtils]: 36: Hoare triple {5312#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:36,353 INFO L263 TraceCheckUtils]: 37: Hoare triple {5312#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,354 INFO L280 TraceCheckUtils]: 38: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,354 INFO L280 TraceCheckUtils]: 39: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,354 INFO L280 TraceCheckUtils]: 40: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,354 INFO L280 TraceCheckUtils]: 41: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,355 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {4948#true} {5312#(<= |fibo1_#in~n| 3)} #59#return; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:36,356 INFO L280 TraceCheckUtils]: 43: Hoare triple {5312#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:36,356 INFO L280 TraceCheckUtils]: 44: Hoare triple {5312#(<= |fibo1_#in~n| 3)} assume true; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:36,357 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {5312#(<= |fibo1_#in~n| 3)} {4948#true} #53#return; {5260#(<= fibo2_~n 4)} is VALID [2020-07-17 22:20:36,358 INFO L280 TraceCheckUtils]: 46: Hoare triple {5260#(<= fibo2_~n 4)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5260#(<= fibo2_~n 4)} is VALID [2020-07-17 22:20:36,358 INFO L263 TraceCheckUtils]: 47: Hoare triple {5260#(<= fibo2_~n 4)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,358 INFO L280 TraceCheckUtils]: 48: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,359 INFO L280 TraceCheckUtils]: 49: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,360 INFO L280 TraceCheckUtils]: 50: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,360 INFO L263 TraceCheckUtils]: 51: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,360 INFO L280 TraceCheckUtils]: 52: Hoare triple {4948#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,361 INFO L280 TraceCheckUtils]: 53: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5354#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-17 22:20:36,362 INFO L280 TraceCheckUtils]: 54: Hoare triple {5354#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,362 INFO L263 TraceCheckUtils]: 55: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,362 INFO L280 TraceCheckUtils]: 56: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,362 INFO L280 TraceCheckUtils]: 57: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,363 INFO L280 TraceCheckUtils]: 58: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,363 INFO L280 TraceCheckUtils]: 59: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,364 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {4948#true} {5355#(<= 2 |fibo2_#in~n|)} #53#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,364 INFO L280 TraceCheckUtils]: 61: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,364 INFO L263 TraceCheckUtils]: 62: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,365 INFO L280 TraceCheckUtils]: 63: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,365 INFO L280 TraceCheckUtils]: 64: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:36,365 INFO L280 TraceCheckUtils]: 65: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,366 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {4948#true} {5355#(<= 2 |fibo2_#in~n|)} #55#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,366 INFO L280 TraceCheckUtils]: 67: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,367 INFO L280 TraceCheckUtils]: 68: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume true; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,368 INFO L275 TraceCheckUtils]: 69: Hoare quadruple {5355#(<= 2 |fibo2_#in~n|)} {5293#(= fibo1_~n |fibo1_#in~n|)} #57#return; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,369 INFO L280 TraceCheckUtils]: 70: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,369 INFO L263 TraceCheckUtils]: 71: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,369 INFO L280 TraceCheckUtils]: 72: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,369 INFO L280 TraceCheckUtils]: 73: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,369 INFO L280 TraceCheckUtils]: 74: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,370 INFO L280 TraceCheckUtils]: 75: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,371 INFO L275 TraceCheckUtils]: 76: Hoare quadruple {4948#true} {5348#(<= 3 |fibo1_#in~n|)} #59#return; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,371 INFO L280 TraceCheckUtils]: 77: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,372 INFO L280 TraceCheckUtils]: 78: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume true; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,373 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {5348#(<= 3 |fibo1_#in~n|)} {5260#(<= fibo2_~n 4)} #55#return; {4949#false} is VALID [2020-07-17 22:20:36,373 INFO L280 TraceCheckUtils]: 80: Hoare triple {4949#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4949#false} is VALID [2020-07-17 22:20:36,373 INFO L280 TraceCheckUtils]: 81: Hoare triple {4949#false} assume true; {4949#false} is VALID [2020-07-17 22:20:36,374 INFO L275 TraceCheckUtils]: 82: Hoare quadruple {4949#false} {4948#true} #57#return; {4949#false} is VALID [2020-07-17 22:20:36,374 INFO L280 TraceCheckUtils]: 83: Hoare triple {4949#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4949#false} is VALID [2020-07-17 22:20:36,374 INFO L263 TraceCheckUtils]: 84: Hoare triple {4949#false} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,374 INFO L280 TraceCheckUtils]: 85: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,374 INFO L280 TraceCheckUtils]: 86: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,374 INFO L280 TraceCheckUtils]: 87: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:36,375 INFO L263 TraceCheckUtils]: 88: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,375 INFO L280 TraceCheckUtils]: 89: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,375 INFO L280 TraceCheckUtils]: 90: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,375 INFO L280 TraceCheckUtils]: 91: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:36,375 INFO L263 TraceCheckUtils]: 92: Hoare triple {4948#true} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,376 INFO L280 TraceCheckUtils]: 93: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,376 INFO L280 TraceCheckUtils]: 94: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,376 INFO L280 TraceCheckUtils]: 95: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,376 INFO L280 TraceCheckUtils]: 96: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,376 INFO L275 TraceCheckUtils]: 97: Hoare quadruple {4948#true} {4948#true} #57#return; {4948#true} is VALID [2020-07-17 22:20:36,377 INFO L280 TraceCheckUtils]: 98: Hoare triple {4948#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:36,377 INFO L263 TraceCheckUtils]: 99: Hoare triple {4948#true} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,377 INFO L280 TraceCheckUtils]: 100: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,377 INFO L280 TraceCheckUtils]: 101: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,377 INFO L280 TraceCheckUtils]: 102: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,378 INFO L280 TraceCheckUtils]: 103: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,378 INFO L275 TraceCheckUtils]: 104: Hoare quadruple {4948#true} {4948#true} #59#return; {4948#true} is VALID [2020-07-17 22:20:36,378 INFO L280 TraceCheckUtils]: 105: Hoare triple {4948#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4948#true} is VALID [2020-07-17 22:20:36,378 INFO L280 TraceCheckUtils]: 106: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,378 INFO L275 TraceCheckUtils]: 107: Hoare quadruple {4948#true} {4948#true} #53#return; {4948#true} is VALID [2020-07-17 22:20:36,378 INFO L280 TraceCheckUtils]: 108: Hoare triple {4948#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:36,379 INFO L263 TraceCheckUtils]: 109: Hoare triple {4948#true} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,379 INFO L280 TraceCheckUtils]: 110: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,379 INFO L280 TraceCheckUtils]: 111: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,379 INFO L280 TraceCheckUtils]: 112: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:36,379 INFO L263 TraceCheckUtils]: 113: Hoare triple {4948#true} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,380 INFO L280 TraceCheckUtils]: 114: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,380 INFO L280 TraceCheckUtils]: 115: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,380 INFO L280 TraceCheckUtils]: 116: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:36,380 INFO L263 TraceCheckUtils]: 117: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,380 INFO L280 TraceCheckUtils]: 118: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,381 INFO L280 TraceCheckUtils]: 119: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,381 INFO L280 TraceCheckUtils]: 120: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,381 INFO L280 TraceCheckUtils]: 121: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,381 INFO L275 TraceCheckUtils]: 122: Hoare quadruple {4948#true} {4948#true} #53#return; {4948#true} is VALID [2020-07-17 22:20:36,381 INFO L280 TraceCheckUtils]: 123: Hoare triple {4948#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:36,382 INFO L263 TraceCheckUtils]: 124: Hoare triple {4948#true} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,382 INFO L280 TraceCheckUtils]: 125: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,382 INFO L280 TraceCheckUtils]: 126: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:36,382 INFO L280 TraceCheckUtils]: 127: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,382 INFO L275 TraceCheckUtils]: 128: Hoare quadruple {4948#true} {4948#true} #55#return; {4948#true} is VALID [2020-07-17 22:20:36,383 INFO L280 TraceCheckUtils]: 129: Hoare triple {4948#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4948#true} is VALID [2020-07-17 22:20:36,383 INFO L280 TraceCheckUtils]: 130: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,383 INFO L275 TraceCheckUtils]: 131: Hoare quadruple {4948#true} {4948#true} #57#return; {4948#true} is VALID [2020-07-17 22:20:36,383 INFO L280 TraceCheckUtils]: 132: Hoare triple {4948#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:36,383 INFO L263 TraceCheckUtils]: 133: Hoare triple {4948#true} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,384 INFO L280 TraceCheckUtils]: 134: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,384 INFO L280 TraceCheckUtils]: 135: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,384 INFO L280 TraceCheckUtils]: 136: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,384 INFO L280 TraceCheckUtils]: 137: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,384 INFO L275 TraceCheckUtils]: 138: Hoare quadruple {4948#true} {4948#true} #59#return; {4948#true} is VALID [2020-07-17 22:20:36,384 INFO L280 TraceCheckUtils]: 139: Hoare triple {4948#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4948#true} is VALID [2020-07-17 22:20:36,385 INFO L280 TraceCheckUtils]: 140: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,385 INFO L275 TraceCheckUtils]: 141: Hoare quadruple {4948#true} {4948#true} #55#return; {4948#true} is VALID [2020-07-17 22:20:36,385 INFO L280 TraceCheckUtils]: 142: Hoare triple {4948#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4948#true} is VALID [2020-07-17 22:20:36,385 INFO L280 TraceCheckUtils]: 143: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,385 INFO L275 TraceCheckUtils]: 144: Hoare quadruple {4948#true} {4949#false} #59#return; {4949#false} is VALID [2020-07-17 22:20:36,386 INFO L280 TraceCheckUtils]: 145: Hoare triple {4949#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4949#false} is VALID [2020-07-17 22:20:36,386 INFO L280 TraceCheckUtils]: 146: Hoare triple {4949#false} assume true; {4949#false} is VALID [2020-07-17 22:20:36,386 INFO L275 TraceCheckUtils]: 147: Hoare quadruple {4949#false} {4952#(<= main_~x~0 5)} #51#return; {4949#false} is VALID [2020-07-17 22:20:36,386 INFO L280 TraceCheckUtils]: 148: Hoare triple {4949#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {4949#false} is VALID [2020-07-17 22:20:36,386 INFO L280 TraceCheckUtils]: 149: Hoare triple {4949#false} assume 5 != ~result~0; {4949#false} is VALID [2020-07-17 22:20:36,387 INFO L280 TraceCheckUtils]: 150: Hoare triple {4949#false} assume !false; {4949#false} is VALID [2020-07-17 22:20:36,402 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 66 proven. 189 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2020-07-17 22:20:36,402 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534511989] [2020-07-17 22:20:36,402 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [15855001] [2020-07-17 22:20:36,403 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:20:36,471 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-07-17 22:20:36,471 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-17 22:20:36,472 INFO L264 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-17 22:20:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:36,502 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 22:20:36,760 INFO L263 TraceCheckUtils]: 0: Hoare triple {4948#true} call ULTIMATE.init(); {4948#true} is VALID [2020-07-17 22:20:36,760 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,760 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4948#true} {4948#true} #47#return; {4948#true} is VALID [2020-07-17 22:20:36,760 INFO L263 TraceCheckUtils]: 3: Hoare triple {4948#true} call #t~ret5 := main(); {4948#true} is VALID [2020-07-17 22:20:36,761 INFO L280 TraceCheckUtils]: 4: Hoare triple {4948#true} ~x~0 := 5; {4952#(<= main_~x~0 5)} is VALID [2020-07-17 22:20:36,761 INFO L263 TraceCheckUtils]: 5: Hoare triple {4952#(<= main_~x~0 5)} call #t~ret4 := fibo1(~x~0); {4948#true} is VALID [2020-07-17 22:20:36,763 INFO L280 TraceCheckUtils]: 6: Hoare triple {4948#true} ~n := #in~n; {5479#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,763 INFO L280 TraceCheckUtils]: 7: Hoare triple {5479#(<= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5479#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,764 INFO L280 TraceCheckUtils]: 8: Hoare triple {5479#(<= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5479#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,764 INFO L263 TraceCheckUtils]: 9: Hoare triple {5479#(<= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,764 INFO L280 TraceCheckUtils]: 10: Hoare triple {4948#true} ~n := #in~n; {5492#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,765 INFO L280 TraceCheckUtils]: 11: Hoare triple {5492#(<= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5492#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,765 INFO L280 TraceCheckUtils]: 12: Hoare triple {5492#(<= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {5492#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,765 INFO L263 TraceCheckUtils]: 13: Hoare triple {5492#(<= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,766 INFO L280 TraceCheckUtils]: 14: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,766 INFO L280 TraceCheckUtils]: 15: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,766 INFO L280 TraceCheckUtils]: 16: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:36,766 INFO L263 TraceCheckUtils]: 17: Hoare triple {4948#true} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,766 INFO L280 TraceCheckUtils]: 18: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,766 INFO L280 TraceCheckUtils]: 19: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,766 INFO L280 TraceCheckUtils]: 20: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:36,766 INFO L263 TraceCheckUtils]: 21: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,767 INFO L280 TraceCheckUtils]: 22: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,767 INFO L280 TraceCheckUtils]: 23: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,767 INFO L280 TraceCheckUtils]: 24: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,767 INFO L280 TraceCheckUtils]: 25: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,767 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {4948#true} {4948#true} #53#return; {4948#true} is VALID [2020-07-17 22:20:36,767 INFO L280 TraceCheckUtils]: 27: Hoare triple {4948#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:36,768 INFO L263 TraceCheckUtils]: 28: Hoare triple {4948#true} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,768 INFO L280 TraceCheckUtils]: 29: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,768 INFO L280 TraceCheckUtils]: 30: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:36,768 INFO L280 TraceCheckUtils]: 31: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,768 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {4948#true} {4948#true} #55#return; {4948#true} is VALID [2020-07-17 22:20:36,768 INFO L280 TraceCheckUtils]: 33: Hoare triple {4948#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4948#true} is VALID [2020-07-17 22:20:36,769 INFO L280 TraceCheckUtils]: 34: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,769 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {4948#true} {4948#true} #57#return; {4948#true} is VALID [2020-07-17 22:20:36,769 INFO L280 TraceCheckUtils]: 36: Hoare triple {4948#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:36,769 INFO L263 TraceCheckUtils]: 37: Hoare triple {4948#true} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,769 INFO L280 TraceCheckUtils]: 38: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,769 INFO L280 TraceCheckUtils]: 39: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,770 INFO L280 TraceCheckUtils]: 40: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,770 INFO L280 TraceCheckUtils]: 41: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,770 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {4948#true} {4948#true} #59#return; {4948#true} is VALID [2020-07-17 22:20:36,770 INFO L280 TraceCheckUtils]: 43: Hoare triple {4948#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4948#true} is VALID [2020-07-17 22:20:36,770 INFO L280 TraceCheckUtils]: 44: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,771 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {4948#true} {5492#(<= fibo2_~n |fibo2_#in~n|)} #53#return; {5492#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,771 INFO L280 TraceCheckUtils]: 46: Hoare triple {5492#(<= fibo2_~n |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5492#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,771 INFO L263 TraceCheckUtils]: 47: Hoare triple {5492#(<= fibo2_~n |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,772 INFO L280 TraceCheckUtils]: 48: Hoare triple {4948#true} ~n := #in~n; {5479#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,772 INFO L280 TraceCheckUtils]: 49: Hoare triple {5479#(<= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5479#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,772 INFO L280 TraceCheckUtils]: 50: Hoare triple {5479#(<= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5479#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,772 INFO L263 TraceCheckUtils]: 51: Hoare triple {5479#(<= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,773 INFO L280 TraceCheckUtils]: 52: Hoare triple {4948#true} ~n := #in~n; {5492#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,773 INFO L280 TraceCheckUtils]: 53: Hoare triple {5492#(<= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5492#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,774 INFO L280 TraceCheckUtils]: 54: Hoare triple {5492#(<= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {5492#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,774 INFO L263 TraceCheckUtils]: 55: Hoare triple {5492#(<= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,774 INFO L280 TraceCheckUtils]: 56: Hoare triple {4948#true} ~n := #in~n; {5479#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,775 INFO L280 TraceCheckUtils]: 57: Hoare triple {5479#(<= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5634#(<= 1 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,775 INFO L280 TraceCheckUtils]: 58: Hoare triple {5634#(<= 1 |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {5634#(<= 1 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,775 INFO L280 TraceCheckUtils]: 59: Hoare triple {5634#(<= 1 |fibo1_#in~n|)} assume true; {5634#(<= 1 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,776 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {5634#(<= 1 |fibo1_#in~n|)} {5492#(<= fibo2_~n |fibo2_#in~n|)} #53#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,777 INFO L280 TraceCheckUtils]: 61: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,777 INFO L263 TraceCheckUtils]: 62: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,777 INFO L280 TraceCheckUtils]: 63: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,777 INFO L280 TraceCheckUtils]: 64: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:36,777 INFO L280 TraceCheckUtils]: 65: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,778 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {4948#true} {5355#(<= 2 |fibo2_#in~n|)} #55#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,779 INFO L280 TraceCheckUtils]: 67: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,779 INFO L280 TraceCheckUtils]: 68: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume true; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,780 INFO L275 TraceCheckUtils]: 69: Hoare quadruple {5355#(<= 2 |fibo2_#in~n|)} {5479#(<= fibo1_~n |fibo1_#in~n|)} #57#return; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,781 INFO L280 TraceCheckUtils]: 70: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,781 INFO L263 TraceCheckUtils]: 71: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,781 INFO L280 TraceCheckUtils]: 72: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,781 INFO L280 TraceCheckUtils]: 73: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,781 INFO L280 TraceCheckUtils]: 74: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,781 INFO L280 TraceCheckUtils]: 75: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,782 INFO L275 TraceCheckUtils]: 76: Hoare quadruple {4948#true} {5348#(<= 3 |fibo1_#in~n|)} #59#return; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,782 INFO L280 TraceCheckUtils]: 77: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,783 INFO L280 TraceCheckUtils]: 78: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume true; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,784 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {5348#(<= 3 |fibo1_#in~n|)} {5492#(<= fibo2_~n |fibo2_#in~n|)} #55#return; {5701#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,784 INFO L280 TraceCheckUtils]: 80: Hoare triple {5701#(<= 5 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {5701#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,785 INFO L280 TraceCheckUtils]: 81: Hoare triple {5701#(<= 5 |fibo2_#in~n|)} assume true; {5701#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,785 INFO L275 TraceCheckUtils]: 82: Hoare quadruple {5701#(<= 5 |fibo2_#in~n|)} {5479#(<= fibo1_~n |fibo1_#in~n|)} #57#return; {5711#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,786 INFO L280 TraceCheckUtils]: 83: Hoare triple {5711#(<= 6 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5711#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,786 INFO L263 TraceCheckUtils]: 84: Hoare triple {5711#(<= 6 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,787 INFO L280 TraceCheckUtils]: 85: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,787 INFO L280 TraceCheckUtils]: 86: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,787 INFO L280 TraceCheckUtils]: 87: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:36,787 INFO L263 TraceCheckUtils]: 88: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,787 INFO L280 TraceCheckUtils]: 89: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,788 INFO L280 TraceCheckUtils]: 90: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,788 INFO L280 TraceCheckUtils]: 91: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:36,788 INFO L263 TraceCheckUtils]: 92: Hoare triple {4948#true} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,788 INFO L280 TraceCheckUtils]: 93: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,788 INFO L280 TraceCheckUtils]: 94: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,789 INFO L280 TraceCheckUtils]: 95: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,789 INFO L280 TraceCheckUtils]: 96: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,789 INFO L275 TraceCheckUtils]: 97: Hoare quadruple {4948#true} {4948#true} #57#return; {4948#true} is VALID [2020-07-17 22:20:36,789 INFO L280 TraceCheckUtils]: 98: Hoare triple {4948#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:36,789 INFO L263 TraceCheckUtils]: 99: Hoare triple {4948#true} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,789 INFO L280 TraceCheckUtils]: 100: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,790 INFO L280 TraceCheckUtils]: 101: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,790 INFO L280 TraceCheckUtils]: 102: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,790 INFO L280 TraceCheckUtils]: 103: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,790 INFO L275 TraceCheckUtils]: 104: Hoare quadruple {4948#true} {4948#true} #59#return; {4948#true} is VALID [2020-07-17 22:20:36,790 INFO L280 TraceCheckUtils]: 105: Hoare triple {4948#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4948#true} is VALID [2020-07-17 22:20:36,791 INFO L280 TraceCheckUtils]: 106: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,791 INFO L275 TraceCheckUtils]: 107: Hoare quadruple {4948#true} {4948#true} #53#return; {4948#true} is VALID [2020-07-17 22:20:36,791 INFO L280 TraceCheckUtils]: 108: Hoare triple {4948#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:36,791 INFO L263 TraceCheckUtils]: 109: Hoare triple {4948#true} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,791 INFO L280 TraceCheckUtils]: 110: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,791 INFO L280 TraceCheckUtils]: 111: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,792 INFO L280 TraceCheckUtils]: 112: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:36,792 INFO L263 TraceCheckUtils]: 113: Hoare triple {4948#true} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,792 INFO L280 TraceCheckUtils]: 114: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,792 INFO L280 TraceCheckUtils]: 115: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,792 INFO L280 TraceCheckUtils]: 116: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:36,792 INFO L263 TraceCheckUtils]: 117: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:36,793 INFO L280 TraceCheckUtils]: 118: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,793 INFO L280 TraceCheckUtils]: 119: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,793 INFO L280 TraceCheckUtils]: 120: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,793 INFO L280 TraceCheckUtils]: 121: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,793 INFO L275 TraceCheckUtils]: 122: Hoare quadruple {4948#true} {4948#true} #53#return; {4948#true} is VALID [2020-07-17 22:20:36,793 INFO L280 TraceCheckUtils]: 123: Hoare triple {4948#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:36,794 INFO L263 TraceCheckUtils]: 124: Hoare triple {4948#true} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,794 INFO L280 TraceCheckUtils]: 125: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,794 INFO L280 TraceCheckUtils]: 126: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:36,794 INFO L280 TraceCheckUtils]: 127: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,794 INFO L275 TraceCheckUtils]: 128: Hoare quadruple {4948#true} {4948#true} #55#return; {4948#true} is VALID [2020-07-17 22:20:36,794 INFO L280 TraceCheckUtils]: 129: Hoare triple {4948#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4948#true} is VALID [2020-07-17 22:20:36,795 INFO L280 TraceCheckUtils]: 130: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,795 INFO L275 TraceCheckUtils]: 131: Hoare quadruple {4948#true} {4948#true} #57#return; {4948#true} is VALID [2020-07-17 22:20:36,795 INFO L280 TraceCheckUtils]: 132: Hoare triple {4948#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:36,795 INFO L263 TraceCheckUtils]: 133: Hoare triple {4948#true} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:36,795 INFO L280 TraceCheckUtils]: 134: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:36,795 INFO L280 TraceCheckUtils]: 135: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:36,796 INFO L280 TraceCheckUtils]: 136: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:36,796 INFO L280 TraceCheckUtils]: 137: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,796 INFO L275 TraceCheckUtils]: 138: Hoare quadruple {4948#true} {4948#true} #59#return; {4948#true} is VALID [2020-07-17 22:20:36,796 INFO L280 TraceCheckUtils]: 139: Hoare triple {4948#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4948#true} is VALID [2020-07-17 22:20:36,796 INFO L280 TraceCheckUtils]: 140: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,796 INFO L275 TraceCheckUtils]: 141: Hoare quadruple {4948#true} {4948#true} #55#return; {4948#true} is VALID [2020-07-17 22:20:36,797 INFO L280 TraceCheckUtils]: 142: Hoare triple {4948#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4948#true} is VALID [2020-07-17 22:20:36,797 INFO L280 TraceCheckUtils]: 143: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:36,798 INFO L275 TraceCheckUtils]: 144: Hoare quadruple {4948#true} {5711#(<= 6 |fibo1_#in~n|)} #59#return; {5711#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,798 INFO L280 TraceCheckUtils]: 145: Hoare triple {5711#(<= 6 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {5711#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,799 INFO L280 TraceCheckUtils]: 146: Hoare triple {5711#(<= 6 |fibo1_#in~n|)} assume true; {5711#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,799 INFO L275 TraceCheckUtils]: 147: Hoare quadruple {5711#(<= 6 |fibo1_#in~n|)} {4952#(<= main_~x~0 5)} #51#return; {4949#false} is VALID [2020-07-17 22:20:36,800 INFO L280 TraceCheckUtils]: 148: Hoare triple {4949#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {4949#false} is VALID [2020-07-17 22:20:36,800 INFO L280 TraceCheckUtils]: 149: Hoare triple {4949#false} assume 5 != ~result~0; {4949#false} is VALID [2020-07-17 22:20:36,800 INFO L280 TraceCheckUtils]: 150: Hoare triple {4949#false} assume !false; {4949#false} is VALID [2020-07-17 22:20:36,814 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 82 proven. 133 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2020-07-17 22:20:36,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 22:20:36,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 17 [2020-07-17 22:20:36,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225776726] [2020-07-17 22:20:36,816 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 151 [2020-07-17 22:20:36,847 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:20:36,847 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states. [2020-07-17 22:20:36,961 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 108 edges. 108 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:20:36,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-17 22:20:36,961 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:20:36,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-17 22:20:36,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2020-07-17 22:20:36,962 INFO L87 Difference]: Start difference. First operand 101 states and 154 transitions. Second operand 17 states. [2020-07-17 22:20:39,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:39,402 INFO L93 Difference]: Finished difference Result 253 states and 480 transitions. [2020-07-17 22:20:39,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-07-17 22:20:39,402 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 151 [2020-07-17 22:20:39,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:20:39,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-07-17 22:20:39,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 176 transitions. [2020-07-17 22:20:39,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-07-17 22:20:39,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 176 transitions. [2020-07-17 22:20:39,413 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 27 states and 176 transitions. [2020-07-17 22:20:39,619 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 176 edges. 176 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:20:39,623 INFO L225 Difference]: With dead ends: 253 [2020-07-17 22:20:39,624 INFO L226 Difference]: Without dead ends: 125 [2020-07-17 22:20:39,626 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=157, Invalid=835, Unknown=0, NotChecked=0, Total=992 [2020-07-17 22:20:39,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-07-17 22:20:39,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 111. [2020-07-17 22:20:39,696 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:20:39,696 INFO L82 GeneralOperation]: Start isEquivalent. First operand 125 states. Second operand 111 states. [2020-07-17 22:20:39,696 INFO L74 IsIncluded]: Start isIncluded. First operand 125 states. Second operand 111 states. [2020-07-17 22:20:39,697 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 111 states. [2020-07-17 22:20:39,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:39,703 INFO L93 Difference]: Finished difference Result 125 states and 175 transitions. [2020-07-17 22:20:39,703 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 175 transitions. [2020-07-17 22:20:39,704 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:39,705 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:39,705 INFO L74 IsIncluded]: Start isIncluded. First operand 111 states. Second operand 125 states. [2020-07-17 22:20:39,705 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 125 states. [2020-07-17 22:20:39,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:39,710 INFO L93 Difference]: Finished difference Result 125 states and 175 transitions. [2020-07-17 22:20:39,710 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 175 transitions. [2020-07-17 22:20:39,711 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:39,711 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:39,711 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:20:39,712 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:20:39,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-07-17 22:20:39,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 154 transitions. [2020-07-17 22:20:39,716 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 154 transitions. Word has length 151 [2020-07-17 22:20:39,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:20:39,717 INFO L479 AbstractCegarLoop]: Abstraction has 111 states and 154 transitions. [2020-07-17 22:20:39,717 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-17 22:20:39,717 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 154 transitions. [2020-07-17 22:20:39,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-07-17 22:20:39,719 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:20:39,719 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:20:39,932 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:20:39,933 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:20:39,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:20:39,934 INFO L82 PathProgramCache]: Analyzing trace with hash -878903457, now seen corresponding path program 1 times [2020-07-17 22:20:39,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:20:39,934 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664503886] [2020-07-17 22:20:39,935 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:20:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:39,994 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:39,995 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {6671#true} {6671#true} #47#return; {6671#true} is VALID [2020-07-17 22:20:40,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:40,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:40,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:40,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:40,197 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,198 INFO L280 TraceCheckUtils]: 1: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,198 INFO L280 TraceCheckUtils]: 2: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {6981#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:40,199 INFO L280 TraceCheckUtils]: 3: Hoare triple {6981#(<= |fibo1_#in~n| 1)} assume true; {6981#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:40,200 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6981#(<= |fibo1_#in~n| 1)} {6894#(= fibo2_~n |fibo2_#in~n|)} #53#return; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:40,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:40,204 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,204 INFO L280 TraceCheckUtils]: 1: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:40,205 INFO L280 TraceCheckUtils]: 2: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,205 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {6671#true} {6976#(<= |fibo2_#in~n| 2)} #55#return; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:40,206 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:40,207 INFO L280 TraceCheckUtils]: 1: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:40,207 INFO L280 TraceCheckUtils]: 2: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:40,207 INFO L263 TraceCheckUtils]: 3: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-17 22:20:40,208 INFO L280 TraceCheckUtils]: 4: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,209 INFO L280 TraceCheckUtils]: 5: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,210 INFO L280 TraceCheckUtils]: 6: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {6981#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:40,211 INFO L280 TraceCheckUtils]: 7: Hoare triple {6981#(<= |fibo1_#in~n| 1)} assume true; {6981#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:40,213 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {6981#(<= |fibo1_#in~n| 1)} {6894#(= fibo2_~n |fibo2_#in~n|)} #53#return; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:40,214 INFO L280 TraceCheckUtils]: 9: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:40,214 INFO L263 TraceCheckUtils]: 10: Hoare triple {6976#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-17 22:20:40,214 INFO L280 TraceCheckUtils]: 11: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,215 INFO L280 TraceCheckUtils]: 12: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:40,215 INFO L280 TraceCheckUtils]: 13: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,217 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {6671#true} {6976#(<= |fibo2_#in~n| 2)} #55#return; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:40,218 INFO L280 TraceCheckUtils]: 15: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:40,219 INFO L280 TraceCheckUtils]: 16: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume true; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:40,220 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {6976#(<= |fibo2_#in~n| 2)} {6946#(= fibo1_~n |fibo1_#in~n|)} #57#return; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:40,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:40,226 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,226 INFO L280 TraceCheckUtils]: 1: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:40,227 INFO L280 TraceCheckUtils]: 2: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-17 22:20:40,227 INFO L280 TraceCheckUtils]: 3: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,228 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6671#true} {6965#(<= |fibo1_#in~n| 3)} #59#return; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:40,229 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,230 INFO L280 TraceCheckUtils]: 1: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,231 INFO L280 TraceCheckUtils]: 2: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,231 INFO L263 TraceCheckUtils]: 3: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:40,232 INFO L280 TraceCheckUtils]: 4: Hoare triple {6671#true} ~n := #in~n; {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:40,232 INFO L280 TraceCheckUtils]: 5: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:40,233 INFO L280 TraceCheckUtils]: 6: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:40,233 INFO L263 TraceCheckUtils]: 7: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-17 22:20:40,234 INFO L280 TraceCheckUtils]: 8: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,235 INFO L280 TraceCheckUtils]: 9: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,236 INFO L280 TraceCheckUtils]: 10: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {6981#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:40,236 INFO L280 TraceCheckUtils]: 11: Hoare triple {6981#(<= |fibo1_#in~n| 1)} assume true; {6981#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:40,238 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {6981#(<= |fibo1_#in~n| 1)} {6894#(= fibo2_~n |fibo2_#in~n|)} #53#return; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:40,239 INFO L280 TraceCheckUtils]: 13: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:40,239 INFO L263 TraceCheckUtils]: 14: Hoare triple {6976#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-17 22:20:40,240 INFO L280 TraceCheckUtils]: 15: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,240 INFO L280 TraceCheckUtils]: 16: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:40,240 INFO L280 TraceCheckUtils]: 17: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,241 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {6671#true} {6976#(<= |fibo2_#in~n| 2)} #55#return; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:40,242 INFO L280 TraceCheckUtils]: 19: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:40,243 INFO L280 TraceCheckUtils]: 20: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume true; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:40,245 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {6976#(<= |fibo2_#in~n| 2)} {6946#(= fibo1_~n |fibo1_#in~n|)} #57#return; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:40,246 INFO L280 TraceCheckUtils]: 22: Hoare triple {6965#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:40,246 INFO L263 TraceCheckUtils]: 23: Hoare triple {6965#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:40,246 INFO L280 TraceCheckUtils]: 24: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,247 INFO L280 TraceCheckUtils]: 25: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:40,247 INFO L280 TraceCheckUtils]: 26: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-17 22:20:40,247 INFO L280 TraceCheckUtils]: 27: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,248 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {6671#true} {6965#(<= |fibo1_#in~n| 3)} #59#return; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:40,249 INFO L280 TraceCheckUtils]: 29: Hoare triple {6965#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:40,250 INFO L280 TraceCheckUtils]: 30: Hoare triple {6965#(<= |fibo1_#in~n| 3)} assume true; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:40,252 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {6965#(<= |fibo1_#in~n| 3)} {6894#(= fibo2_~n |fibo2_#in~n|)} #53#return; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:40,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:40,267 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,267 INFO L280 TraceCheckUtils]: 1: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:40,268 INFO L280 TraceCheckUtils]: 2: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-17 22:20:40,268 INFO L280 TraceCheckUtils]: 3: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,269 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6671#true} {6671#true} #57#return; {6671#true} is VALID [2020-07-17 22:20:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:40,272 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,272 INFO L280 TraceCheckUtils]: 1: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:40,272 INFO L280 TraceCheckUtils]: 2: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,273 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {6671#true} {6671#true} #59#return; {6671#true} is VALID [2020-07-17 22:20:40,273 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,273 INFO L280 TraceCheckUtils]: 1: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:40,274 INFO L280 TraceCheckUtils]: 2: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-17 22:20:40,274 INFO L263 TraceCheckUtils]: 3: Hoare triple {6671#true} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:40,274 INFO L280 TraceCheckUtils]: 4: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,275 INFO L280 TraceCheckUtils]: 5: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:40,275 INFO L280 TraceCheckUtils]: 6: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-17 22:20:40,275 INFO L280 TraceCheckUtils]: 7: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,276 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {6671#true} {6671#true} #57#return; {6671#true} is VALID [2020-07-17 22:20:40,276 INFO L280 TraceCheckUtils]: 9: Hoare triple {6671#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6671#true} is VALID [2020-07-17 22:20:40,277 INFO L263 TraceCheckUtils]: 10: Hoare triple {6671#true} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:40,277 INFO L280 TraceCheckUtils]: 11: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,277 INFO L280 TraceCheckUtils]: 12: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:40,278 INFO L280 TraceCheckUtils]: 13: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,278 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {6671#true} {6671#true} #59#return; {6671#true} is VALID [2020-07-17 22:20:40,278 INFO L280 TraceCheckUtils]: 15: Hoare triple {6671#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {6671#true} is VALID [2020-07-17 22:20:40,279 INFO L280 TraceCheckUtils]: 16: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,280 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {6671#true} {6927#(<= |fibo2_#in~n| 4)} #55#return; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:40,281 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:40,282 INFO L280 TraceCheckUtils]: 1: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:40,282 INFO L280 TraceCheckUtils]: 2: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:40,283 INFO L263 TraceCheckUtils]: 3: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-17 22:20:40,284 INFO L280 TraceCheckUtils]: 4: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,285 INFO L280 TraceCheckUtils]: 5: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,289 INFO L280 TraceCheckUtils]: 6: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,289 INFO L263 TraceCheckUtils]: 7: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:40,290 INFO L280 TraceCheckUtils]: 8: Hoare triple {6671#true} ~n := #in~n; {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:40,292 INFO L280 TraceCheckUtils]: 9: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:40,296 INFO L280 TraceCheckUtils]: 10: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:40,296 INFO L263 TraceCheckUtils]: 11: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-17 22:20:40,297 INFO L280 TraceCheckUtils]: 12: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,300 INFO L280 TraceCheckUtils]: 13: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,301 INFO L280 TraceCheckUtils]: 14: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {6981#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:40,303 INFO L280 TraceCheckUtils]: 15: Hoare triple {6981#(<= |fibo1_#in~n| 1)} assume true; {6981#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:40,306 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {6981#(<= |fibo1_#in~n| 1)} {6894#(= fibo2_~n |fibo2_#in~n|)} #53#return; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:40,307 INFO L280 TraceCheckUtils]: 17: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:40,308 INFO L263 TraceCheckUtils]: 18: Hoare triple {6976#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-17 22:20:40,308 INFO L280 TraceCheckUtils]: 19: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,308 INFO L280 TraceCheckUtils]: 20: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:40,308 INFO L280 TraceCheckUtils]: 21: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,310 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {6671#true} {6976#(<= |fibo2_#in~n| 2)} #55#return; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:40,310 INFO L280 TraceCheckUtils]: 23: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:40,311 INFO L280 TraceCheckUtils]: 24: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume true; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:40,312 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {6976#(<= |fibo2_#in~n| 2)} {6946#(= fibo1_~n |fibo1_#in~n|)} #57#return; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:40,313 INFO L280 TraceCheckUtils]: 26: Hoare triple {6965#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:40,313 INFO L263 TraceCheckUtils]: 27: Hoare triple {6965#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:40,314 INFO L280 TraceCheckUtils]: 28: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,314 INFO L280 TraceCheckUtils]: 29: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:40,314 INFO L280 TraceCheckUtils]: 30: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-17 22:20:40,315 INFO L280 TraceCheckUtils]: 31: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,316 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {6671#true} {6965#(<= |fibo1_#in~n| 3)} #59#return; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:40,317 INFO L280 TraceCheckUtils]: 33: Hoare triple {6965#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:40,318 INFO L280 TraceCheckUtils]: 34: Hoare triple {6965#(<= |fibo1_#in~n| 3)} assume true; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:40,319 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {6965#(<= |fibo1_#in~n| 3)} {6894#(= fibo2_~n |fibo2_#in~n|)} #53#return; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:40,320 INFO L280 TraceCheckUtils]: 36: Hoare triple {6927#(<= |fibo2_#in~n| 4)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:40,320 INFO L263 TraceCheckUtils]: 37: Hoare triple {6927#(<= |fibo2_#in~n| 4)} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-17 22:20:40,321 INFO L280 TraceCheckUtils]: 38: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,321 INFO L280 TraceCheckUtils]: 39: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:40,321 INFO L280 TraceCheckUtils]: 40: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-17 22:20:40,322 INFO L263 TraceCheckUtils]: 41: Hoare triple {6671#true} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:40,322 INFO L280 TraceCheckUtils]: 42: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,322 INFO L280 TraceCheckUtils]: 43: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:40,323 INFO L280 TraceCheckUtils]: 44: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-17 22:20:40,323 INFO L280 TraceCheckUtils]: 45: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,323 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {6671#true} {6671#true} #57#return; {6671#true} is VALID [2020-07-17 22:20:40,324 INFO L280 TraceCheckUtils]: 47: Hoare triple {6671#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6671#true} is VALID [2020-07-17 22:20:40,324 INFO L263 TraceCheckUtils]: 48: Hoare triple {6671#true} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:40,324 INFO L280 TraceCheckUtils]: 49: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,325 INFO L280 TraceCheckUtils]: 50: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:40,325 INFO L280 TraceCheckUtils]: 51: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,325 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {6671#true} {6671#true} #59#return; {6671#true} is VALID [2020-07-17 22:20:40,326 INFO L280 TraceCheckUtils]: 53: Hoare triple {6671#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {6671#true} is VALID [2020-07-17 22:20:40,326 INFO L280 TraceCheckUtils]: 54: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,327 INFO L275 TraceCheckUtils]: 55: Hoare quadruple {6671#true} {6927#(<= |fibo2_#in~n| 4)} #55#return; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:40,328 INFO L280 TraceCheckUtils]: 56: Hoare triple {6927#(<= |fibo2_#in~n| 4)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:40,329 INFO L280 TraceCheckUtils]: 57: Hoare triple {6927#(<= |fibo2_#in~n| 4)} assume true; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:40,330 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {6927#(<= |fibo2_#in~n| 4)} {6671#true} #57#return; {6848#(<= fibo1_~n 5)} is VALID [2020-07-17 22:20:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:40,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:40,455 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:40,456 INFO L280 TraceCheckUtils]: 1: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:40,457 INFO L280 TraceCheckUtils]: 2: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {7038#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:40,458 INFO L280 TraceCheckUtils]: 3: Hoare triple {7038#(<= |fibo2_#in~n| 1)} assume true; {7038#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:40,460 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {7038#(<= |fibo2_#in~n| 1)} {6946#(= fibo1_~n |fibo1_#in~n|)} #57#return; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:40,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:40,466 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,467 INFO L280 TraceCheckUtils]: 1: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:40,467 INFO L280 TraceCheckUtils]: 2: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,469 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {6671#true} {7033#(<= |fibo1_#in~n| 2)} #59#return; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:40,470 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,471 INFO L280 TraceCheckUtils]: 1: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,472 INFO L280 TraceCheckUtils]: 2: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,473 INFO L263 TraceCheckUtils]: 3: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:40,473 INFO L280 TraceCheckUtils]: 4: Hoare triple {6671#true} ~n := #in~n; {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:40,474 INFO L280 TraceCheckUtils]: 5: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:40,476 INFO L280 TraceCheckUtils]: 6: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {7038#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:40,476 INFO L280 TraceCheckUtils]: 7: Hoare triple {7038#(<= |fibo2_#in~n| 1)} assume true; {7038#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:40,478 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {7038#(<= |fibo2_#in~n| 1)} {6946#(= fibo1_~n |fibo1_#in~n|)} #57#return; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:40,479 INFO L280 TraceCheckUtils]: 9: Hoare triple {7033#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:40,479 INFO L263 TraceCheckUtils]: 10: Hoare triple {7033#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:40,480 INFO L280 TraceCheckUtils]: 11: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,480 INFO L280 TraceCheckUtils]: 12: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:40,480 INFO L280 TraceCheckUtils]: 13: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,482 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {6671#true} {7033#(<= |fibo1_#in~n| 2)} #59#return; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:40,483 INFO L280 TraceCheckUtils]: 15: Hoare triple {7033#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:40,484 INFO L280 TraceCheckUtils]: 16: Hoare triple {7033#(<= |fibo1_#in~n| 2)} assume true; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:40,485 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {7033#(<= |fibo1_#in~n| 2)} {6671#true} #53#return; {7009#(<= fibo2_~n 3)} is VALID [2020-07-17 22:20:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:40,574 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,574 INFO L280 TraceCheckUtils]: 1: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:40,575 INFO L280 TraceCheckUtils]: 2: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-17 22:20:40,575 INFO L280 TraceCheckUtils]: 3: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,577 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6671#true} {7040#(<= 2 |fibo1_#in~n|)} #57#return; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:40,583 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,584 INFO L280 TraceCheckUtils]: 1: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:40,584 INFO L280 TraceCheckUtils]: 2: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,586 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {6671#true} {7040#(<= 2 |fibo1_#in~n|)} #59#return; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,587 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,588 INFO L280 TraceCheckUtils]: 1: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7039#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-17 22:20:40,589 INFO L280 TraceCheckUtils]: 2: Hoare triple {7039#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,590 INFO L263 TraceCheckUtils]: 3: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:40,590 INFO L280 TraceCheckUtils]: 4: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,591 INFO L280 TraceCheckUtils]: 5: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:40,591 INFO L280 TraceCheckUtils]: 6: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-17 22:20:40,592 INFO L280 TraceCheckUtils]: 7: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,593 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {6671#true} {7040#(<= 2 |fibo1_#in~n|)} #57#return; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,594 INFO L280 TraceCheckUtils]: 9: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,595 INFO L263 TraceCheckUtils]: 10: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:40,595 INFO L280 TraceCheckUtils]: 11: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,595 INFO L280 TraceCheckUtils]: 12: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:40,596 INFO L280 TraceCheckUtils]: 13: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,597 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {6671#true} {7040#(<= 2 |fibo1_#in~n|)} #59#return; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,598 INFO L280 TraceCheckUtils]: 15: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,599 INFO L280 TraceCheckUtils]: 16: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume true; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,601 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {7040#(<= 2 |fibo1_#in~n|)} {7009#(<= fibo2_~n 3)} #55#return; {6672#false} is VALID [2020-07-17 22:20:40,629 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,629 INFO L280 TraceCheckUtils]: 1: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:40,629 INFO L280 TraceCheckUtils]: 2: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-17 22:20:40,629 INFO L263 TraceCheckUtils]: 3: Hoare triple {6671#true} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-17 22:20:40,631 INFO L280 TraceCheckUtils]: 4: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,632 INFO L280 TraceCheckUtils]: 5: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,636 INFO L280 TraceCheckUtils]: 6: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,636 INFO L263 TraceCheckUtils]: 7: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:40,636 INFO L280 TraceCheckUtils]: 8: Hoare triple {6671#true} ~n := #in~n; {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:40,637 INFO L280 TraceCheckUtils]: 9: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:40,638 INFO L280 TraceCheckUtils]: 10: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {7038#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:40,638 INFO L280 TraceCheckUtils]: 11: Hoare triple {7038#(<= |fibo2_#in~n| 1)} assume true; {7038#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:40,640 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {7038#(<= |fibo2_#in~n| 1)} {6946#(= fibo1_~n |fibo1_#in~n|)} #57#return; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:40,641 INFO L280 TraceCheckUtils]: 13: Hoare triple {7033#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:40,641 INFO L263 TraceCheckUtils]: 14: Hoare triple {7033#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:40,642 INFO L280 TraceCheckUtils]: 15: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,642 INFO L280 TraceCheckUtils]: 16: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:40,643 INFO L280 TraceCheckUtils]: 17: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,644 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {6671#true} {7033#(<= |fibo1_#in~n| 2)} #59#return; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:40,645 INFO L280 TraceCheckUtils]: 19: Hoare triple {7033#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:40,645 INFO L280 TraceCheckUtils]: 20: Hoare triple {7033#(<= |fibo1_#in~n| 2)} assume true; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:40,647 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {7033#(<= |fibo1_#in~n| 2)} {6671#true} #53#return; {7009#(<= fibo2_~n 3)} is VALID [2020-07-17 22:20:40,648 INFO L280 TraceCheckUtils]: 22: Hoare triple {7009#(<= fibo2_~n 3)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7009#(<= fibo2_~n 3)} is VALID [2020-07-17 22:20:40,648 INFO L263 TraceCheckUtils]: 23: Hoare triple {7009#(<= fibo2_~n 3)} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-17 22:20:40,649 INFO L280 TraceCheckUtils]: 24: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,650 INFO L280 TraceCheckUtils]: 25: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7039#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-17 22:20:40,652 INFO L280 TraceCheckUtils]: 26: Hoare triple {7039#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,652 INFO L263 TraceCheckUtils]: 27: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:40,652 INFO L280 TraceCheckUtils]: 28: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,653 INFO L280 TraceCheckUtils]: 29: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:40,653 INFO L280 TraceCheckUtils]: 30: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-17 22:20:40,653 INFO L280 TraceCheckUtils]: 31: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,654 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {6671#true} {7040#(<= 2 |fibo1_#in~n|)} #57#return; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,655 INFO L280 TraceCheckUtils]: 33: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,656 INFO L263 TraceCheckUtils]: 34: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:40,656 INFO L280 TraceCheckUtils]: 35: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,656 INFO L280 TraceCheckUtils]: 36: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:40,657 INFO L280 TraceCheckUtils]: 37: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,658 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {6671#true} {7040#(<= 2 |fibo1_#in~n|)} #59#return; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,659 INFO L280 TraceCheckUtils]: 39: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,660 INFO L280 TraceCheckUtils]: 40: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume true; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,661 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {7040#(<= 2 |fibo1_#in~n|)} {7009#(<= fibo2_~n 3)} #55#return; {6672#false} is VALID [2020-07-17 22:20:40,661 INFO L280 TraceCheckUtils]: 42: Hoare triple {6672#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6672#false} is VALID [2020-07-17 22:20:40,661 INFO L280 TraceCheckUtils]: 43: Hoare triple {6672#false} assume true; {6672#false} is VALID [2020-07-17 22:20:40,662 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {6672#false} {6848#(<= fibo1_~n 5)} #59#return; {6672#false} is VALID [2020-07-17 22:20:40,665 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,665 INFO L280 TraceCheckUtils]: 1: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:40,665 INFO L280 TraceCheckUtils]: 2: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-17 22:20:40,666 INFO L263 TraceCheckUtils]: 3: Hoare triple {6671#true} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:40,667 INFO L280 TraceCheckUtils]: 4: Hoare triple {6671#true} ~n := #in~n; {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:40,668 INFO L280 TraceCheckUtils]: 5: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:40,668 INFO L280 TraceCheckUtils]: 6: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:40,669 INFO L263 TraceCheckUtils]: 7: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-17 22:20:40,669 INFO L280 TraceCheckUtils]: 8: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,670 INFO L280 TraceCheckUtils]: 9: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,671 INFO L280 TraceCheckUtils]: 10: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,671 INFO L263 TraceCheckUtils]: 11: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:40,672 INFO L280 TraceCheckUtils]: 12: Hoare triple {6671#true} ~n := #in~n; {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:40,673 INFO L280 TraceCheckUtils]: 13: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:40,674 INFO L280 TraceCheckUtils]: 14: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:40,674 INFO L263 TraceCheckUtils]: 15: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-17 22:20:40,675 INFO L280 TraceCheckUtils]: 16: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,676 INFO L280 TraceCheckUtils]: 17: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,677 INFO L280 TraceCheckUtils]: 18: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {6981#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:40,678 INFO L280 TraceCheckUtils]: 19: Hoare triple {6981#(<= |fibo1_#in~n| 1)} assume true; {6981#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:40,679 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {6981#(<= |fibo1_#in~n| 1)} {6894#(= fibo2_~n |fibo2_#in~n|)} #53#return; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:40,680 INFO L280 TraceCheckUtils]: 21: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:40,681 INFO L263 TraceCheckUtils]: 22: Hoare triple {6976#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-17 22:20:40,681 INFO L280 TraceCheckUtils]: 23: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,681 INFO L280 TraceCheckUtils]: 24: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:40,681 INFO L280 TraceCheckUtils]: 25: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,683 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {6671#true} {6976#(<= |fibo2_#in~n| 2)} #55#return; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:40,683 INFO L280 TraceCheckUtils]: 27: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:40,684 INFO L280 TraceCheckUtils]: 28: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume true; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:40,686 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {6976#(<= |fibo2_#in~n| 2)} {6946#(= fibo1_~n |fibo1_#in~n|)} #57#return; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:40,687 INFO L280 TraceCheckUtils]: 30: Hoare triple {6965#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:40,687 INFO L263 TraceCheckUtils]: 31: Hoare triple {6965#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:40,687 INFO L280 TraceCheckUtils]: 32: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,688 INFO L280 TraceCheckUtils]: 33: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:40,688 INFO L280 TraceCheckUtils]: 34: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-17 22:20:40,688 INFO L280 TraceCheckUtils]: 35: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,690 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {6671#true} {6965#(<= |fibo1_#in~n| 3)} #59#return; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:40,690 INFO L280 TraceCheckUtils]: 37: Hoare triple {6965#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:40,691 INFO L280 TraceCheckUtils]: 38: Hoare triple {6965#(<= |fibo1_#in~n| 3)} assume true; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:40,693 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {6965#(<= |fibo1_#in~n| 3)} {6894#(= fibo2_~n |fibo2_#in~n|)} #53#return; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:40,693 INFO L280 TraceCheckUtils]: 40: Hoare triple {6927#(<= |fibo2_#in~n| 4)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:40,693 INFO L263 TraceCheckUtils]: 41: Hoare triple {6927#(<= |fibo2_#in~n| 4)} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-17 22:20:40,694 INFO L280 TraceCheckUtils]: 42: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,694 INFO L280 TraceCheckUtils]: 43: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:40,694 INFO L280 TraceCheckUtils]: 44: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-17 22:20:40,694 INFO L263 TraceCheckUtils]: 45: Hoare triple {6671#true} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:40,695 INFO L280 TraceCheckUtils]: 46: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,695 INFO L280 TraceCheckUtils]: 47: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:40,695 INFO L280 TraceCheckUtils]: 48: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-17 22:20:40,696 INFO L280 TraceCheckUtils]: 49: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,696 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {6671#true} {6671#true} #57#return; {6671#true} is VALID [2020-07-17 22:20:40,696 INFO L280 TraceCheckUtils]: 51: Hoare triple {6671#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6671#true} is VALID [2020-07-17 22:20:40,697 INFO L263 TraceCheckUtils]: 52: Hoare triple {6671#true} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:40,697 INFO L280 TraceCheckUtils]: 53: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,697 INFO L280 TraceCheckUtils]: 54: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:40,698 INFO L280 TraceCheckUtils]: 55: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,698 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {6671#true} {6671#true} #59#return; {6671#true} is VALID [2020-07-17 22:20:40,698 INFO L280 TraceCheckUtils]: 57: Hoare triple {6671#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {6671#true} is VALID [2020-07-17 22:20:40,699 INFO L280 TraceCheckUtils]: 58: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,700 INFO L275 TraceCheckUtils]: 59: Hoare quadruple {6671#true} {6927#(<= |fibo2_#in~n| 4)} #55#return; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:40,701 INFO L280 TraceCheckUtils]: 60: Hoare triple {6927#(<= |fibo2_#in~n| 4)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:40,702 INFO L280 TraceCheckUtils]: 61: Hoare triple {6927#(<= |fibo2_#in~n| 4)} assume true; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:40,703 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {6927#(<= |fibo2_#in~n| 4)} {6671#true} #57#return; {6848#(<= fibo1_~n 5)} is VALID [2020-07-17 22:20:40,703 INFO L280 TraceCheckUtils]: 63: Hoare triple {6848#(<= fibo1_~n 5)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6848#(<= fibo1_~n 5)} is VALID [2020-07-17 22:20:40,704 INFO L263 TraceCheckUtils]: 64: Hoare triple {6848#(<= fibo1_~n 5)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:40,704 INFO L280 TraceCheckUtils]: 65: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,704 INFO L280 TraceCheckUtils]: 66: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:40,704 INFO L280 TraceCheckUtils]: 67: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-17 22:20:40,704 INFO L263 TraceCheckUtils]: 68: Hoare triple {6671#true} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-17 22:20:40,705 INFO L280 TraceCheckUtils]: 69: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,705 INFO L280 TraceCheckUtils]: 70: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,706 INFO L280 TraceCheckUtils]: 71: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,706 INFO L263 TraceCheckUtils]: 72: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:40,707 INFO L280 TraceCheckUtils]: 73: Hoare triple {6671#true} ~n := #in~n; {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:40,707 INFO L280 TraceCheckUtils]: 74: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:40,708 INFO L280 TraceCheckUtils]: 75: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {7038#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:40,708 INFO L280 TraceCheckUtils]: 76: Hoare triple {7038#(<= |fibo2_#in~n| 1)} assume true; {7038#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:40,710 INFO L275 TraceCheckUtils]: 77: Hoare quadruple {7038#(<= |fibo2_#in~n| 1)} {6946#(= fibo1_~n |fibo1_#in~n|)} #57#return; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:40,710 INFO L280 TraceCheckUtils]: 78: Hoare triple {7033#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:40,710 INFO L263 TraceCheckUtils]: 79: Hoare triple {7033#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:40,711 INFO L280 TraceCheckUtils]: 80: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,711 INFO L280 TraceCheckUtils]: 81: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:40,711 INFO L280 TraceCheckUtils]: 82: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,712 INFO L275 TraceCheckUtils]: 83: Hoare quadruple {6671#true} {7033#(<= |fibo1_#in~n| 2)} #59#return; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:40,712 INFO L280 TraceCheckUtils]: 84: Hoare triple {7033#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:40,713 INFO L280 TraceCheckUtils]: 85: Hoare triple {7033#(<= |fibo1_#in~n| 2)} assume true; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:40,714 INFO L275 TraceCheckUtils]: 86: Hoare quadruple {7033#(<= |fibo1_#in~n| 2)} {6671#true} #53#return; {7009#(<= fibo2_~n 3)} is VALID [2020-07-17 22:20:40,714 INFO L280 TraceCheckUtils]: 87: Hoare triple {7009#(<= fibo2_~n 3)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7009#(<= fibo2_~n 3)} is VALID [2020-07-17 22:20:40,714 INFO L263 TraceCheckUtils]: 88: Hoare triple {7009#(<= fibo2_~n 3)} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-17 22:20:40,715 INFO L280 TraceCheckUtils]: 89: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,716 INFO L280 TraceCheckUtils]: 90: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7039#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-17 22:20:40,716 INFO L280 TraceCheckUtils]: 91: Hoare triple {7039#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,717 INFO L263 TraceCheckUtils]: 92: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:40,717 INFO L280 TraceCheckUtils]: 93: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,717 INFO L280 TraceCheckUtils]: 94: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:40,717 INFO L280 TraceCheckUtils]: 95: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-17 22:20:40,717 INFO L280 TraceCheckUtils]: 96: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,718 INFO L275 TraceCheckUtils]: 97: Hoare quadruple {6671#true} {7040#(<= 2 |fibo1_#in~n|)} #57#return; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,719 INFO L280 TraceCheckUtils]: 98: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,719 INFO L263 TraceCheckUtils]: 99: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:40,719 INFO L280 TraceCheckUtils]: 100: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,719 INFO L280 TraceCheckUtils]: 101: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:40,719 INFO L280 TraceCheckUtils]: 102: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,720 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {6671#true} {7040#(<= 2 |fibo1_#in~n|)} #59#return; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,721 INFO L280 TraceCheckUtils]: 104: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,721 INFO L280 TraceCheckUtils]: 105: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume true; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,722 INFO L275 TraceCheckUtils]: 106: Hoare quadruple {7040#(<= 2 |fibo1_#in~n|)} {7009#(<= fibo2_~n 3)} #55#return; {6672#false} is VALID [2020-07-17 22:20:40,723 INFO L280 TraceCheckUtils]: 107: Hoare triple {6672#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6672#false} is VALID [2020-07-17 22:20:40,723 INFO L280 TraceCheckUtils]: 108: Hoare triple {6672#false} assume true; {6672#false} is VALID [2020-07-17 22:20:40,723 INFO L275 TraceCheckUtils]: 109: Hoare quadruple {6672#false} {6848#(<= fibo1_~n 5)} #59#return; {6672#false} is VALID [2020-07-17 22:20:40,723 INFO L280 TraceCheckUtils]: 110: Hoare triple {6672#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {6672#false} is VALID [2020-07-17 22:20:40,724 INFO L280 TraceCheckUtils]: 111: Hoare triple {6672#false} assume true; {6672#false} is VALID [2020-07-17 22:20:40,724 INFO L275 TraceCheckUtils]: 112: Hoare quadruple {6672#false} {6675#(<= main_~x~0 5)} #51#return; {6672#false} is VALID [2020-07-17 22:20:40,739 INFO L263 TraceCheckUtils]: 0: Hoare triple {6671#true} call ULTIMATE.init(); {6671#true} is VALID [2020-07-17 22:20:40,740 INFO L280 TraceCheckUtils]: 1: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,740 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {6671#true} {6671#true} #47#return; {6671#true} is VALID [2020-07-17 22:20:40,740 INFO L263 TraceCheckUtils]: 3: Hoare triple {6671#true} call #t~ret5 := main(); {6671#true} is VALID [2020-07-17 22:20:40,741 INFO L280 TraceCheckUtils]: 4: Hoare triple {6671#true} ~x~0 := 5; {6675#(<= main_~x~0 5)} is VALID [2020-07-17 22:20:40,742 INFO L263 TraceCheckUtils]: 5: Hoare triple {6675#(<= main_~x~0 5)} call #t~ret4 := fibo1(~x~0); {6671#true} is VALID [2020-07-17 22:20:40,742 INFO L280 TraceCheckUtils]: 6: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,742 INFO L280 TraceCheckUtils]: 7: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:40,742 INFO L280 TraceCheckUtils]: 8: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-17 22:20:40,742 INFO L263 TraceCheckUtils]: 9: Hoare triple {6671#true} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:40,743 INFO L280 TraceCheckUtils]: 10: Hoare triple {6671#true} ~n := #in~n; {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:40,744 INFO L280 TraceCheckUtils]: 11: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:40,744 INFO L280 TraceCheckUtils]: 12: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:40,744 INFO L263 TraceCheckUtils]: 13: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-17 22:20:40,745 INFO L280 TraceCheckUtils]: 14: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,746 INFO L280 TraceCheckUtils]: 15: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,746 INFO L280 TraceCheckUtils]: 16: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,746 INFO L263 TraceCheckUtils]: 17: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:40,747 INFO L280 TraceCheckUtils]: 18: Hoare triple {6671#true} ~n := #in~n; {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:40,747 INFO L280 TraceCheckUtils]: 19: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:40,748 INFO L280 TraceCheckUtils]: 20: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:40,748 INFO L263 TraceCheckUtils]: 21: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-17 22:20:40,748 INFO L280 TraceCheckUtils]: 22: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,749 INFO L280 TraceCheckUtils]: 23: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,750 INFO L280 TraceCheckUtils]: 24: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {6981#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:40,750 INFO L280 TraceCheckUtils]: 25: Hoare triple {6981#(<= |fibo1_#in~n| 1)} assume true; {6981#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:40,751 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {6981#(<= |fibo1_#in~n| 1)} {6894#(= fibo2_~n |fibo2_#in~n|)} #53#return; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:40,752 INFO L280 TraceCheckUtils]: 27: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:40,752 INFO L263 TraceCheckUtils]: 28: Hoare triple {6976#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-17 22:20:40,752 INFO L280 TraceCheckUtils]: 29: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,752 INFO L280 TraceCheckUtils]: 30: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:40,753 INFO L280 TraceCheckUtils]: 31: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,753 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {6671#true} {6976#(<= |fibo2_#in~n| 2)} #55#return; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:40,754 INFO L280 TraceCheckUtils]: 33: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:40,754 INFO L280 TraceCheckUtils]: 34: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume true; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:40,756 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {6976#(<= |fibo2_#in~n| 2)} {6946#(= fibo1_~n |fibo1_#in~n|)} #57#return; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:40,756 INFO L280 TraceCheckUtils]: 36: Hoare triple {6965#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:40,756 INFO L263 TraceCheckUtils]: 37: Hoare triple {6965#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:40,757 INFO L280 TraceCheckUtils]: 38: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,757 INFO L280 TraceCheckUtils]: 39: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:40,757 INFO L280 TraceCheckUtils]: 40: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-17 22:20:40,757 INFO L280 TraceCheckUtils]: 41: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,758 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {6671#true} {6965#(<= |fibo1_#in~n| 3)} #59#return; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:40,759 INFO L280 TraceCheckUtils]: 43: Hoare triple {6965#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:40,759 INFO L280 TraceCheckUtils]: 44: Hoare triple {6965#(<= |fibo1_#in~n| 3)} assume true; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:40,760 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {6965#(<= |fibo1_#in~n| 3)} {6894#(= fibo2_~n |fibo2_#in~n|)} #53#return; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:40,761 INFO L280 TraceCheckUtils]: 46: Hoare triple {6927#(<= |fibo2_#in~n| 4)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:40,761 INFO L263 TraceCheckUtils]: 47: Hoare triple {6927#(<= |fibo2_#in~n| 4)} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-17 22:20:40,761 INFO L280 TraceCheckUtils]: 48: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,762 INFO L280 TraceCheckUtils]: 49: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:40,762 INFO L280 TraceCheckUtils]: 50: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-17 22:20:40,762 INFO L263 TraceCheckUtils]: 51: Hoare triple {6671#true} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:40,762 INFO L280 TraceCheckUtils]: 52: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,762 INFO L280 TraceCheckUtils]: 53: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:40,763 INFO L280 TraceCheckUtils]: 54: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-17 22:20:40,763 INFO L280 TraceCheckUtils]: 55: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,763 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {6671#true} {6671#true} #57#return; {6671#true} is VALID [2020-07-17 22:20:40,763 INFO L280 TraceCheckUtils]: 57: Hoare triple {6671#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6671#true} is VALID [2020-07-17 22:20:40,763 INFO L263 TraceCheckUtils]: 58: Hoare triple {6671#true} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:40,764 INFO L280 TraceCheckUtils]: 59: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,764 INFO L280 TraceCheckUtils]: 60: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:40,764 INFO L280 TraceCheckUtils]: 61: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,764 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {6671#true} {6671#true} #59#return; {6671#true} is VALID [2020-07-17 22:20:40,764 INFO L280 TraceCheckUtils]: 63: Hoare triple {6671#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {6671#true} is VALID [2020-07-17 22:20:40,764 INFO L280 TraceCheckUtils]: 64: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,765 INFO L275 TraceCheckUtils]: 65: Hoare quadruple {6671#true} {6927#(<= |fibo2_#in~n| 4)} #55#return; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:40,766 INFO L280 TraceCheckUtils]: 66: Hoare triple {6927#(<= |fibo2_#in~n| 4)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:40,767 INFO L280 TraceCheckUtils]: 67: Hoare triple {6927#(<= |fibo2_#in~n| 4)} assume true; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:40,768 INFO L275 TraceCheckUtils]: 68: Hoare quadruple {6927#(<= |fibo2_#in~n| 4)} {6671#true} #57#return; {6848#(<= fibo1_~n 5)} is VALID [2020-07-17 22:20:40,768 INFO L280 TraceCheckUtils]: 69: Hoare triple {6848#(<= fibo1_~n 5)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6848#(<= fibo1_~n 5)} is VALID [2020-07-17 22:20:40,768 INFO L263 TraceCheckUtils]: 70: Hoare triple {6848#(<= fibo1_~n 5)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:40,769 INFO L280 TraceCheckUtils]: 71: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,769 INFO L280 TraceCheckUtils]: 72: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:40,769 INFO L280 TraceCheckUtils]: 73: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-17 22:20:40,769 INFO L263 TraceCheckUtils]: 74: Hoare triple {6671#true} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-17 22:20:40,770 INFO L280 TraceCheckUtils]: 75: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,770 INFO L280 TraceCheckUtils]: 76: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,771 INFO L280 TraceCheckUtils]: 77: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,771 INFO L263 TraceCheckUtils]: 78: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:40,772 INFO L280 TraceCheckUtils]: 79: Hoare triple {6671#true} ~n := #in~n; {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:40,772 INFO L280 TraceCheckUtils]: 80: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:40,773 INFO L280 TraceCheckUtils]: 81: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {7038#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:40,774 INFO L280 TraceCheckUtils]: 82: Hoare triple {7038#(<= |fibo2_#in~n| 1)} assume true; {7038#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:40,775 INFO L275 TraceCheckUtils]: 83: Hoare quadruple {7038#(<= |fibo2_#in~n| 1)} {6946#(= fibo1_~n |fibo1_#in~n|)} #57#return; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:40,776 INFO L280 TraceCheckUtils]: 84: Hoare triple {7033#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:40,776 INFO L263 TraceCheckUtils]: 85: Hoare triple {7033#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:40,776 INFO L280 TraceCheckUtils]: 86: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,776 INFO L280 TraceCheckUtils]: 87: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:40,777 INFO L280 TraceCheckUtils]: 88: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,777 INFO L275 TraceCheckUtils]: 89: Hoare quadruple {6671#true} {7033#(<= |fibo1_#in~n| 2)} #59#return; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:40,778 INFO L280 TraceCheckUtils]: 90: Hoare triple {7033#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:40,779 INFO L280 TraceCheckUtils]: 91: Hoare triple {7033#(<= |fibo1_#in~n| 2)} assume true; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:40,780 INFO L275 TraceCheckUtils]: 92: Hoare quadruple {7033#(<= |fibo1_#in~n| 2)} {6671#true} #53#return; {7009#(<= fibo2_~n 3)} is VALID [2020-07-17 22:20:40,780 INFO L280 TraceCheckUtils]: 93: Hoare triple {7009#(<= fibo2_~n 3)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7009#(<= fibo2_~n 3)} is VALID [2020-07-17 22:20:40,781 INFO L263 TraceCheckUtils]: 94: Hoare triple {7009#(<= fibo2_~n 3)} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-17 22:20:40,781 INFO L280 TraceCheckUtils]: 95: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,782 INFO L280 TraceCheckUtils]: 96: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7039#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-17 22:20:40,783 INFO L280 TraceCheckUtils]: 97: Hoare triple {7039#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,783 INFO L263 TraceCheckUtils]: 98: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:40,784 INFO L280 TraceCheckUtils]: 99: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,784 INFO L280 TraceCheckUtils]: 100: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:40,784 INFO L280 TraceCheckUtils]: 101: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-17 22:20:40,784 INFO L280 TraceCheckUtils]: 102: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,785 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {6671#true} {7040#(<= 2 |fibo1_#in~n|)} #57#return; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,786 INFO L280 TraceCheckUtils]: 104: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,786 INFO L263 TraceCheckUtils]: 105: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:40,786 INFO L280 TraceCheckUtils]: 106: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:40,786 INFO L280 TraceCheckUtils]: 107: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:40,786 INFO L280 TraceCheckUtils]: 108: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:40,787 INFO L275 TraceCheckUtils]: 109: Hoare quadruple {6671#true} {7040#(<= 2 |fibo1_#in~n|)} #59#return; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,788 INFO L280 TraceCheckUtils]: 110: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,789 INFO L280 TraceCheckUtils]: 111: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume true; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,790 INFO L275 TraceCheckUtils]: 112: Hoare quadruple {7040#(<= 2 |fibo1_#in~n|)} {7009#(<= fibo2_~n 3)} #55#return; {6672#false} is VALID [2020-07-17 22:20:40,790 INFO L280 TraceCheckUtils]: 113: Hoare triple {6672#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6672#false} is VALID [2020-07-17 22:20:40,790 INFO L280 TraceCheckUtils]: 114: Hoare triple {6672#false} assume true; {6672#false} is VALID [2020-07-17 22:20:40,790 INFO L275 TraceCheckUtils]: 115: Hoare quadruple {6672#false} {6848#(<= fibo1_~n 5)} #59#return; {6672#false} is VALID [2020-07-17 22:20:40,791 INFO L280 TraceCheckUtils]: 116: Hoare triple {6672#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {6672#false} is VALID [2020-07-17 22:20:40,791 INFO L280 TraceCheckUtils]: 117: Hoare triple {6672#false} assume true; {6672#false} is VALID [2020-07-17 22:20:40,791 INFO L275 TraceCheckUtils]: 118: Hoare quadruple {6672#false} {6675#(<= main_~x~0 5)} #51#return; {6672#false} is VALID [2020-07-17 22:20:40,791 INFO L280 TraceCheckUtils]: 119: Hoare triple {6672#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {6672#false} is VALID [2020-07-17 22:20:40,791 INFO L280 TraceCheckUtils]: 120: Hoare triple {6672#false} assume 5 != ~result~0; {6672#false} is VALID [2020-07-17 22:20:40,791 INFO L280 TraceCheckUtils]: 121: Hoare triple {6672#false} assume !false; {6672#false} is VALID [2020-07-17 22:20:40,806 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 104 proven. 101 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2020-07-17 22:20:40,806 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664503886] [2020-07-17 22:20:40,806 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [530201392] [2020-07-17 22:20:40,807 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:20:40,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:40,857 INFO L264 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-17 22:20:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:40,876 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 22:20:41,111 INFO L263 TraceCheckUtils]: 0: Hoare triple {6671#true} call ULTIMATE.init(); {6671#true} is VALID [2020-07-17 22:20:41,112 INFO L280 TraceCheckUtils]: 1: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:41,112 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {6671#true} {6671#true} #47#return; {6671#true} is VALID [2020-07-17 22:20:41,112 INFO L263 TraceCheckUtils]: 3: Hoare triple {6671#true} call #t~ret5 := main(); {6671#true} is VALID [2020-07-17 22:20:41,113 INFO L280 TraceCheckUtils]: 4: Hoare triple {6671#true} ~x~0 := 5; {6675#(<= main_~x~0 5)} is VALID [2020-07-17 22:20:41,113 INFO L263 TraceCheckUtils]: 5: Hoare triple {6675#(<= main_~x~0 5)} call #t~ret4 := fibo1(~x~0); {6671#true} is VALID [2020-07-17 22:20:41,113 INFO L280 TraceCheckUtils]: 6: Hoare triple {6671#true} ~n := #in~n; {7071#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:41,114 INFO L280 TraceCheckUtils]: 7: Hoare triple {7071#(<= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7071#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:41,114 INFO L280 TraceCheckUtils]: 8: Hoare triple {7071#(<= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {7071#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:41,115 INFO L263 TraceCheckUtils]: 9: Hoare triple {7071#(<= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:41,115 INFO L280 TraceCheckUtils]: 10: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:41,115 INFO L280 TraceCheckUtils]: 11: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:41,115 INFO L280 TraceCheckUtils]: 12: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-17 22:20:41,115 INFO L263 TraceCheckUtils]: 13: Hoare triple {6671#true} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-17 22:20:41,115 INFO L280 TraceCheckUtils]: 14: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:41,116 INFO L280 TraceCheckUtils]: 15: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:41,116 INFO L280 TraceCheckUtils]: 16: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-17 22:20:41,116 INFO L263 TraceCheckUtils]: 17: Hoare triple {6671#true} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:41,116 INFO L280 TraceCheckUtils]: 18: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:41,116 INFO L280 TraceCheckUtils]: 19: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:41,116 INFO L280 TraceCheckUtils]: 20: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-17 22:20:41,117 INFO L263 TraceCheckUtils]: 21: Hoare triple {6671#true} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-17 22:20:41,117 INFO L280 TraceCheckUtils]: 22: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:41,117 INFO L280 TraceCheckUtils]: 23: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:41,117 INFO L280 TraceCheckUtils]: 24: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-17 22:20:41,117 INFO L280 TraceCheckUtils]: 25: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:41,117 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {6671#true} {6671#true} #53#return; {6671#true} is VALID [2020-07-17 22:20:41,118 INFO L280 TraceCheckUtils]: 27: Hoare triple {6671#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6671#true} is VALID [2020-07-17 22:20:41,118 INFO L263 TraceCheckUtils]: 28: Hoare triple {6671#true} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-17 22:20:41,118 INFO L280 TraceCheckUtils]: 29: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:41,118 INFO L280 TraceCheckUtils]: 30: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:41,118 INFO L280 TraceCheckUtils]: 31: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:41,118 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {6671#true} {6671#true} #55#return; {6671#true} is VALID [2020-07-17 22:20:41,119 INFO L280 TraceCheckUtils]: 33: Hoare triple {6671#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6671#true} is VALID [2020-07-17 22:20:41,119 INFO L280 TraceCheckUtils]: 34: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:41,119 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {6671#true} {6671#true} #57#return; {6671#true} is VALID [2020-07-17 22:20:41,119 INFO L280 TraceCheckUtils]: 36: Hoare triple {6671#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6671#true} is VALID [2020-07-17 22:20:41,119 INFO L263 TraceCheckUtils]: 37: Hoare triple {6671#true} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:41,119 INFO L280 TraceCheckUtils]: 38: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:41,120 INFO L280 TraceCheckUtils]: 39: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:41,120 INFO L280 TraceCheckUtils]: 40: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-17 22:20:41,120 INFO L280 TraceCheckUtils]: 41: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:41,120 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {6671#true} {6671#true} #59#return; {6671#true} is VALID [2020-07-17 22:20:41,120 INFO L280 TraceCheckUtils]: 43: Hoare triple {6671#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {6671#true} is VALID [2020-07-17 22:20:41,120 INFO L280 TraceCheckUtils]: 44: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:41,121 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {6671#true} {6671#true} #53#return; {6671#true} is VALID [2020-07-17 22:20:41,121 INFO L280 TraceCheckUtils]: 46: Hoare triple {6671#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6671#true} is VALID [2020-07-17 22:20:41,121 INFO L263 TraceCheckUtils]: 47: Hoare triple {6671#true} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-17 22:20:41,121 INFO L280 TraceCheckUtils]: 48: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:41,121 INFO L280 TraceCheckUtils]: 49: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:41,121 INFO L280 TraceCheckUtils]: 50: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-17 22:20:41,122 INFO L263 TraceCheckUtils]: 51: Hoare triple {6671#true} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:41,122 INFO L280 TraceCheckUtils]: 52: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:41,122 INFO L280 TraceCheckUtils]: 53: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:41,122 INFO L280 TraceCheckUtils]: 54: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-17 22:20:41,122 INFO L280 TraceCheckUtils]: 55: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:41,122 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {6671#true} {6671#true} #57#return; {6671#true} is VALID [2020-07-17 22:20:41,123 INFO L280 TraceCheckUtils]: 57: Hoare triple {6671#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6671#true} is VALID [2020-07-17 22:20:41,123 INFO L263 TraceCheckUtils]: 58: Hoare triple {6671#true} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:41,123 INFO L280 TraceCheckUtils]: 59: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:41,123 INFO L280 TraceCheckUtils]: 60: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:41,123 INFO L280 TraceCheckUtils]: 61: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:41,123 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {6671#true} {6671#true} #59#return; {6671#true} is VALID [2020-07-17 22:20:41,124 INFO L280 TraceCheckUtils]: 63: Hoare triple {6671#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {6671#true} is VALID [2020-07-17 22:20:41,124 INFO L280 TraceCheckUtils]: 64: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:41,124 INFO L275 TraceCheckUtils]: 65: Hoare quadruple {6671#true} {6671#true} #55#return; {6671#true} is VALID [2020-07-17 22:20:41,124 INFO L280 TraceCheckUtils]: 66: Hoare triple {6671#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6671#true} is VALID [2020-07-17 22:20:41,124 INFO L280 TraceCheckUtils]: 67: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:41,126 INFO L275 TraceCheckUtils]: 68: Hoare quadruple {6671#true} {7071#(<= fibo1_~n |fibo1_#in~n|)} #57#return; {7071#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:41,126 INFO L280 TraceCheckUtils]: 69: Hoare triple {7071#(<= fibo1_~n |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7071#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:41,126 INFO L263 TraceCheckUtils]: 70: Hoare triple {7071#(<= fibo1_~n |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:41,127 INFO L280 TraceCheckUtils]: 71: Hoare triple {6671#true} ~n := #in~n; {7267#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:41,128 INFO L280 TraceCheckUtils]: 72: Hoare triple {7267#(<= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {7267#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:41,128 INFO L280 TraceCheckUtils]: 73: Hoare triple {7267#(<= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {7267#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:41,128 INFO L263 TraceCheckUtils]: 74: Hoare triple {7267#(<= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-17 22:20:41,128 INFO L280 TraceCheckUtils]: 75: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:41,128 INFO L280 TraceCheckUtils]: 76: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:41,129 INFO L280 TraceCheckUtils]: 77: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-17 22:20:41,129 INFO L263 TraceCheckUtils]: 78: Hoare triple {6671#true} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:41,129 INFO L280 TraceCheckUtils]: 79: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:41,129 INFO L280 TraceCheckUtils]: 80: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:41,129 INFO L280 TraceCheckUtils]: 81: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-17 22:20:41,130 INFO L280 TraceCheckUtils]: 82: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:41,130 INFO L275 TraceCheckUtils]: 83: Hoare quadruple {6671#true} {6671#true} #57#return; {6671#true} is VALID [2020-07-17 22:20:41,130 INFO L280 TraceCheckUtils]: 84: Hoare triple {6671#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6671#true} is VALID [2020-07-17 22:20:41,130 INFO L263 TraceCheckUtils]: 85: Hoare triple {6671#true} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:41,130 INFO L280 TraceCheckUtils]: 86: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:41,131 INFO L280 TraceCheckUtils]: 87: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:41,131 INFO L280 TraceCheckUtils]: 88: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:41,131 INFO L275 TraceCheckUtils]: 89: Hoare quadruple {6671#true} {6671#true} #59#return; {6671#true} is VALID [2020-07-17 22:20:41,131 INFO L280 TraceCheckUtils]: 90: Hoare triple {6671#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {6671#true} is VALID [2020-07-17 22:20:41,131 INFO L280 TraceCheckUtils]: 91: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:41,132 INFO L275 TraceCheckUtils]: 92: Hoare quadruple {6671#true} {7267#(<= fibo2_~n |fibo2_#in~n|)} #53#return; {7267#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:41,133 INFO L280 TraceCheckUtils]: 93: Hoare triple {7267#(<= fibo2_~n |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7267#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:41,133 INFO L263 TraceCheckUtils]: 94: Hoare triple {7267#(<= fibo2_~n |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-17 22:20:41,133 INFO L280 TraceCheckUtils]: 95: Hoare triple {6671#true} ~n := #in~n; {7071#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:41,134 INFO L280 TraceCheckUtils]: 96: Hoare triple {7071#(<= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7071#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:41,134 INFO L280 TraceCheckUtils]: 97: Hoare triple {7071#(<= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {7071#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:41,134 INFO L263 TraceCheckUtils]: 98: Hoare triple {7071#(<= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:41,135 INFO L280 TraceCheckUtils]: 99: Hoare triple {6671#true} ~n := #in~n; {7267#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:41,136 INFO L280 TraceCheckUtils]: 100: Hoare triple {7267#(<= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {7355#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:41,136 INFO L280 TraceCheckUtils]: 101: Hoare triple {7355#(<= 1 |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {7355#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:41,137 INFO L280 TraceCheckUtils]: 102: Hoare triple {7355#(<= 1 |fibo2_#in~n|)} assume true; {7355#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:41,139 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {7355#(<= 1 |fibo2_#in~n|)} {7071#(<= fibo1_~n |fibo1_#in~n|)} #57#return; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:41,139 INFO L280 TraceCheckUtils]: 104: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:41,139 INFO L263 TraceCheckUtils]: 105: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:41,139 INFO L280 TraceCheckUtils]: 106: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:41,139 INFO L280 TraceCheckUtils]: 107: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:41,139 INFO L280 TraceCheckUtils]: 108: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:41,140 INFO L275 TraceCheckUtils]: 109: Hoare quadruple {6671#true} {7040#(<= 2 |fibo1_#in~n|)} #59#return; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:41,140 INFO L280 TraceCheckUtils]: 110: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:41,141 INFO L280 TraceCheckUtils]: 111: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume true; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:41,142 INFO L275 TraceCheckUtils]: 112: Hoare quadruple {7040#(<= 2 |fibo1_#in~n|)} {7267#(<= fibo2_~n |fibo2_#in~n|)} #55#return; {7392#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:41,142 INFO L280 TraceCheckUtils]: 113: Hoare triple {7392#(<= 4 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {7392#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:41,143 INFO L280 TraceCheckUtils]: 114: Hoare triple {7392#(<= 4 |fibo2_#in~n|)} assume true; {7392#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:41,144 INFO L275 TraceCheckUtils]: 115: Hoare quadruple {7392#(<= 4 |fibo2_#in~n|)} {7071#(<= fibo1_~n |fibo1_#in~n|)} #59#return; {7402#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:41,144 INFO L280 TraceCheckUtils]: 116: Hoare triple {7402#(<= 6 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {7402#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:41,145 INFO L280 TraceCheckUtils]: 117: Hoare triple {7402#(<= 6 |fibo1_#in~n|)} assume true; {7402#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:41,145 INFO L275 TraceCheckUtils]: 118: Hoare quadruple {7402#(<= 6 |fibo1_#in~n|)} {6675#(<= main_~x~0 5)} #51#return; {6672#false} is VALID [2020-07-17 22:20:41,145 INFO L280 TraceCheckUtils]: 119: Hoare triple {6672#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {6672#false} is VALID [2020-07-17 22:20:41,146 INFO L280 TraceCheckUtils]: 120: Hoare triple {6672#false} assume 5 != ~result~0; {6672#false} is VALID [2020-07-17 22:20:41,146 INFO L280 TraceCheckUtils]: 121: Hoare triple {6672#false} assume !false; {6672#false} is VALID [2020-07-17 22:20:41,156 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 112 proven. 24 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2020-07-17 22:20:41,156 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 22:20:41,156 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9] total 20 [2020-07-17 22:20:41,156 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209789423] [2020-07-17 22:20:41,157 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 122 [2020-07-17 22:20:41,164 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:20:41,164 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 20 states. [2020-07-17 22:20:41,286 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 116 edges. 116 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:20:41,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-17 22:20:41,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:20:41,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-17 22:20:41,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2020-07-17 22:20:41,288 INFO L87 Difference]: Start difference. First operand 111 states and 154 transitions. Second operand 20 states. [2020-07-17 22:20:43,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:43,587 INFO L93 Difference]: Finished difference Result 227 states and 344 transitions. [2020-07-17 22:20:43,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-07-17 22:20:43,588 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 122 [2020-07-17 22:20:43,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:20:43,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-07-17 22:20:43,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 150 transitions. [2020-07-17 22:20:43,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-07-17 22:20:43,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 150 transitions. [2020-07-17 22:20:43,595 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 31 states and 150 transitions. [2020-07-17 22:20:43,824 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 150 edges. 150 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:20:43,829 INFO L225 Difference]: With dead ends: 227 [2020-07-17 22:20:43,829 INFO L226 Difference]: Without dead ends: 125 [2020-07-17 22:20:43,831 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=237, Invalid=1323, Unknown=0, NotChecked=0, Total=1560 [2020-07-17 22:20:43,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-07-17 22:20:43,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 92. [2020-07-17 22:20:43,898 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:20:43,898 INFO L82 GeneralOperation]: Start isEquivalent. First operand 125 states. Second operand 92 states. [2020-07-17 22:20:43,899 INFO L74 IsIncluded]: Start isIncluded. First operand 125 states. Second operand 92 states. [2020-07-17 22:20:43,899 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 92 states. [2020-07-17 22:20:43,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:43,904 INFO L93 Difference]: Finished difference Result 125 states and 162 transitions. [2020-07-17 22:20:43,904 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 162 transitions. [2020-07-17 22:20:43,905 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:43,905 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:43,905 INFO L74 IsIncluded]: Start isIncluded. First operand 92 states. Second operand 125 states. [2020-07-17 22:20:43,905 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 125 states. [2020-07-17 22:20:43,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:43,910 INFO L93 Difference]: Finished difference Result 125 states and 162 transitions. [2020-07-17 22:20:43,910 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 162 transitions. [2020-07-17 22:20:43,911 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:43,911 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:43,911 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:20:43,911 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:20:43,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-07-17 22:20:43,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 115 transitions. [2020-07-17 22:20:43,915 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 115 transitions. Word has length 122 [2020-07-17 22:20:43,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:20:43,915 INFO L479 AbstractCegarLoop]: Abstraction has 92 states and 115 transitions. [2020-07-17 22:20:43,915 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-17 22:20:43,915 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 115 transitions. [2020-07-17 22:20:43,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-07-17 22:20:43,917 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:20:43,917 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:20:44,131 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-17 22:20:44,132 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:20:44,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:20:44,133 INFO L82 PathProgramCache]: Analyzing trace with hash -46122593, now seen corresponding path program 2 times [2020-07-17 22:20:44,133 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:20:44,134 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122411463] [2020-07-17 22:20:44,134 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:20:44,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:44,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:44,177 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,177 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {8131#true} {8131#true} #47#return; {8131#true} is VALID [2020-07-17 22:20:44,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:44,334 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,334 INFO L280 TraceCheckUtils]: 1: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:44,334 INFO L280 TraceCheckUtils]: 2: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-17 22:20:44,335 INFO L280 TraceCheckUtils]: 3: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,336 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {8131#true} {8378#(<= 2 |fibo2_#in~n|)} #53#return; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:44,339 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,340 INFO L280 TraceCheckUtils]: 1: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-17 22:20:44,340 INFO L280 TraceCheckUtils]: 2: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,341 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {8131#true} {8378#(<= 2 |fibo2_#in~n|)} #55#return; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,341 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} ~n := #in~n; {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,342 INFO L280 TraceCheckUtils]: 1: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8377#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-17 22:20:44,343 INFO L280 TraceCheckUtils]: 2: Hoare triple {8377#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,344 INFO L263 TraceCheckUtils]: 3: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-17 22:20:44,344 INFO L280 TraceCheckUtils]: 4: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,344 INFO L280 TraceCheckUtils]: 5: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:44,345 INFO L280 TraceCheckUtils]: 6: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-17 22:20:44,345 INFO L280 TraceCheckUtils]: 7: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,346 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {8131#true} {8378#(<= 2 |fibo2_#in~n|)} #53#return; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,346 INFO L280 TraceCheckUtils]: 9: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,346 INFO L263 TraceCheckUtils]: 10: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-17 22:20:44,347 INFO L280 TraceCheckUtils]: 11: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,347 INFO L280 TraceCheckUtils]: 12: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-17 22:20:44,347 INFO L280 TraceCheckUtils]: 13: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,348 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {8131#true} {8378#(<= 2 |fibo2_#in~n|)} #55#return; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,348 INFO L280 TraceCheckUtils]: 15: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,349 INFO L280 TraceCheckUtils]: 16: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume true; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,350 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {8378#(<= 2 |fibo2_#in~n|)} {8352#(= fibo1_~n |fibo1_#in~n|)} #57#return; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:44,355 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,355 INFO L280 TraceCheckUtils]: 1: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:44,355 INFO L280 TraceCheckUtils]: 2: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-17 22:20:44,356 INFO L280 TraceCheckUtils]: 3: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,357 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {8131#true} {8371#(<= 3 |fibo1_#in~n|)} #59#return; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,357 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} ~n := #in~n; {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,358 INFO L280 TraceCheckUtils]: 1: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,358 INFO L280 TraceCheckUtils]: 2: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,358 INFO L263 TraceCheckUtils]: 3: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {8131#true} is VALID [2020-07-17 22:20:44,359 INFO L280 TraceCheckUtils]: 4: Hoare triple {8131#true} ~n := #in~n; {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,360 INFO L280 TraceCheckUtils]: 5: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8377#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-17 22:20:44,361 INFO L280 TraceCheckUtils]: 6: Hoare triple {8377#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,361 INFO L263 TraceCheckUtils]: 7: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-17 22:20:44,362 INFO L280 TraceCheckUtils]: 8: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,362 INFO L280 TraceCheckUtils]: 9: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:44,362 INFO L280 TraceCheckUtils]: 10: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-17 22:20:44,362 INFO L280 TraceCheckUtils]: 11: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,364 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {8131#true} {8378#(<= 2 |fibo2_#in~n|)} #53#return; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,364 INFO L280 TraceCheckUtils]: 13: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,365 INFO L263 TraceCheckUtils]: 14: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-17 22:20:44,365 INFO L280 TraceCheckUtils]: 15: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,365 INFO L280 TraceCheckUtils]: 16: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-17 22:20:44,365 INFO L280 TraceCheckUtils]: 17: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,366 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {8131#true} {8378#(<= 2 |fibo2_#in~n|)} #55#return; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,367 INFO L280 TraceCheckUtils]: 19: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,367 INFO L280 TraceCheckUtils]: 20: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume true; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,368 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {8378#(<= 2 |fibo2_#in~n|)} {8352#(= fibo1_~n |fibo1_#in~n|)} #57#return; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,369 INFO L280 TraceCheckUtils]: 22: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,369 INFO L263 TraceCheckUtils]: 23: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {8131#true} is VALID [2020-07-17 22:20:44,369 INFO L280 TraceCheckUtils]: 24: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,370 INFO L280 TraceCheckUtils]: 25: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:44,370 INFO L280 TraceCheckUtils]: 26: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-17 22:20:44,370 INFO L280 TraceCheckUtils]: 27: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,371 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {8131#true} {8371#(<= 3 |fibo1_#in~n|)} #59#return; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,372 INFO L280 TraceCheckUtils]: 29: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,373 INFO L280 TraceCheckUtils]: 30: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} assume true; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,374 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {8371#(<= 3 |fibo1_#in~n|)} {8300#(= fibo2_~n |fibo2_#in~n|)} #53#return; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:44,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:44,386 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,387 INFO L280 TraceCheckUtils]: 1: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:44,387 INFO L280 TraceCheckUtils]: 2: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-17 22:20:44,387 INFO L280 TraceCheckUtils]: 3: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,387 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {8131#true} {8131#true} #57#return; {8131#true} is VALID [2020-07-17 22:20:44,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:44,391 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,392 INFO L280 TraceCheckUtils]: 1: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-17 22:20:44,392 INFO L280 TraceCheckUtils]: 2: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,392 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {8131#true} {8131#true} #59#return; {8131#true} is VALID [2020-07-17 22:20:44,392 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,392 INFO L280 TraceCheckUtils]: 1: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:44,393 INFO L280 TraceCheckUtils]: 2: Hoare triple {8131#true} assume !(1 == ~n); {8131#true} is VALID [2020-07-17 22:20:44,393 INFO L263 TraceCheckUtils]: 3: Hoare triple {8131#true} call #t~ret0 := fibo2(~n - 1); {8131#true} is VALID [2020-07-17 22:20:44,393 INFO L280 TraceCheckUtils]: 4: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,393 INFO L280 TraceCheckUtils]: 5: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:44,394 INFO L280 TraceCheckUtils]: 6: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-17 22:20:44,394 INFO L280 TraceCheckUtils]: 7: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,394 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {8131#true} {8131#true} #57#return; {8131#true} is VALID [2020-07-17 22:20:44,394 INFO L280 TraceCheckUtils]: 9: Hoare triple {8131#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8131#true} is VALID [2020-07-17 22:20:44,394 INFO L263 TraceCheckUtils]: 10: Hoare triple {8131#true} call #t~ret1 := fibo2(~n - 2); {8131#true} is VALID [2020-07-17 22:20:44,395 INFO L280 TraceCheckUtils]: 11: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,395 INFO L280 TraceCheckUtils]: 12: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-17 22:20:44,395 INFO L280 TraceCheckUtils]: 13: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,395 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {8131#true} {8131#true} #59#return; {8131#true} is VALID [2020-07-17 22:20:44,395 INFO L280 TraceCheckUtils]: 15: Hoare triple {8131#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {8131#true} is VALID [2020-07-17 22:20:44,396 INFO L280 TraceCheckUtils]: 16: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,397 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {8131#true} {8333#(<= 4 |fibo2_#in~n|)} #55#return; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,398 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} ~n := #in~n; {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,398 INFO L280 TraceCheckUtils]: 1: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,399 INFO L280 TraceCheckUtils]: 2: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,399 INFO L263 TraceCheckUtils]: 3: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-17 22:20:44,400 INFO L280 TraceCheckUtils]: 4: Hoare triple {8131#true} ~n := #in~n; {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,400 INFO L280 TraceCheckUtils]: 5: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,401 INFO L280 TraceCheckUtils]: 6: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,401 INFO L263 TraceCheckUtils]: 7: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {8131#true} is VALID [2020-07-17 22:20:44,402 INFO L280 TraceCheckUtils]: 8: Hoare triple {8131#true} ~n := #in~n; {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,402 INFO L280 TraceCheckUtils]: 9: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8377#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-17 22:20:44,403 INFO L280 TraceCheckUtils]: 10: Hoare triple {8377#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,403 INFO L263 TraceCheckUtils]: 11: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-17 22:20:44,404 INFO L280 TraceCheckUtils]: 12: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,404 INFO L280 TraceCheckUtils]: 13: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:44,404 INFO L280 TraceCheckUtils]: 14: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-17 22:20:44,404 INFO L280 TraceCheckUtils]: 15: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,405 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {8131#true} {8378#(<= 2 |fibo2_#in~n|)} #53#return; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,406 INFO L280 TraceCheckUtils]: 17: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,406 INFO L263 TraceCheckUtils]: 18: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-17 22:20:44,406 INFO L280 TraceCheckUtils]: 19: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,406 INFO L280 TraceCheckUtils]: 20: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-17 22:20:44,407 INFO L280 TraceCheckUtils]: 21: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,408 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {8131#true} {8378#(<= 2 |fibo2_#in~n|)} #55#return; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,408 INFO L280 TraceCheckUtils]: 23: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,409 INFO L280 TraceCheckUtils]: 24: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume true; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,410 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {8378#(<= 2 |fibo2_#in~n|)} {8352#(= fibo1_~n |fibo1_#in~n|)} #57#return; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,411 INFO L280 TraceCheckUtils]: 26: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,411 INFO L263 TraceCheckUtils]: 27: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {8131#true} is VALID [2020-07-17 22:20:44,411 INFO L280 TraceCheckUtils]: 28: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,411 INFO L280 TraceCheckUtils]: 29: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:44,412 INFO L280 TraceCheckUtils]: 30: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-17 22:20:44,412 INFO L280 TraceCheckUtils]: 31: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,413 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {8131#true} {8371#(<= 3 |fibo1_#in~n|)} #59#return; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,413 INFO L280 TraceCheckUtils]: 33: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,414 INFO L280 TraceCheckUtils]: 34: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} assume true; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,415 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {8371#(<= 3 |fibo1_#in~n|)} {8300#(= fibo2_~n |fibo2_#in~n|)} #53#return; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,415 INFO L280 TraceCheckUtils]: 36: Hoare triple {8333#(<= 4 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,416 INFO L263 TraceCheckUtils]: 37: Hoare triple {8333#(<= 4 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-17 22:20:44,416 INFO L280 TraceCheckUtils]: 38: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,416 INFO L280 TraceCheckUtils]: 39: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:44,416 INFO L280 TraceCheckUtils]: 40: Hoare triple {8131#true} assume !(1 == ~n); {8131#true} is VALID [2020-07-17 22:20:44,417 INFO L263 TraceCheckUtils]: 41: Hoare triple {8131#true} call #t~ret0 := fibo2(~n - 1); {8131#true} is VALID [2020-07-17 22:20:44,417 INFO L280 TraceCheckUtils]: 42: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,417 INFO L280 TraceCheckUtils]: 43: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:44,417 INFO L280 TraceCheckUtils]: 44: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-17 22:20:44,417 INFO L280 TraceCheckUtils]: 45: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,418 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {8131#true} {8131#true} #57#return; {8131#true} is VALID [2020-07-17 22:20:44,418 INFO L280 TraceCheckUtils]: 47: Hoare triple {8131#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8131#true} is VALID [2020-07-17 22:20:44,418 INFO L263 TraceCheckUtils]: 48: Hoare triple {8131#true} call #t~ret1 := fibo2(~n - 2); {8131#true} is VALID [2020-07-17 22:20:44,418 INFO L280 TraceCheckUtils]: 49: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,418 INFO L280 TraceCheckUtils]: 50: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-17 22:20:44,419 INFO L280 TraceCheckUtils]: 51: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,419 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {8131#true} {8131#true} #59#return; {8131#true} is VALID [2020-07-17 22:20:44,419 INFO L280 TraceCheckUtils]: 53: Hoare triple {8131#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {8131#true} is VALID [2020-07-17 22:20:44,419 INFO L280 TraceCheckUtils]: 54: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,420 INFO L275 TraceCheckUtils]: 55: Hoare quadruple {8131#true} {8333#(<= 4 |fibo2_#in~n|)} #55#return; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,421 INFO L280 TraceCheckUtils]: 56: Hoare triple {8333#(<= 4 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,421 INFO L280 TraceCheckUtils]: 57: Hoare triple {8333#(<= 4 |fibo2_#in~n|)} assume true; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,423 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {8333#(<= 4 |fibo2_#in~n|)} {8131#true} #57#return; {8281#(<= 5 fibo1_~n)} is VALID [2020-07-17 22:20:44,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:44,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:44,469 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} ~n := #in~n; {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,469 INFO L280 TraceCheckUtils]: 1: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,470 INFO L280 TraceCheckUtils]: 2: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {8407#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:44,471 INFO L280 TraceCheckUtils]: 3: Hoare triple {8407#(<= |fibo1_#in~n| 1)} assume true; {8407#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:44,472 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {8407#(<= |fibo1_#in~n| 1)} {8300#(= fibo2_~n |fibo2_#in~n|)} #53#return; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:44,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:44,475 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,475 INFO L280 TraceCheckUtils]: 1: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-17 22:20:44,475 INFO L280 TraceCheckUtils]: 2: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,476 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {8131#true} {8402#(<= |fibo2_#in~n| 2)} #55#return; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:44,477 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} ~n := #in~n; {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,477 INFO L280 TraceCheckUtils]: 1: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,478 INFO L280 TraceCheckUtils]: 2: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,478 INFO L263 TraceCheckUtils]: 3: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-17 22:20:44,478 INFO L280 TraceCheckUtils]: 4: Hoare triple {8131#true} ~n := #in~n; {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,479 INFO L280 TraceCheckUtils]: 5: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,480 INFO L280 TraceCheckUtils]: 6: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {8407#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:44,480 INFO L280 TraceCheckUtils]: 7: Hoare triple {8407#(<= |fibo1_#in~n| 1)} assume true; {8407#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:44,481 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {8407#(<= |fibo1_#in~n| 1)} {8300#(= fibo2_~n |fibo2_#in~n|)} #53#return; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:44,482 INFO L280 TraceCheckUtils]: 9: Hoare triple {8402#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:44,482 INFO L263 TraceCheckUtils]: 10: Hoare triple {8402#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-17 22:20:44,482 INFO L280 TraceCheckUtils]: 11: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,482 INFO L280 TraceCheckUtils]: 12: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-17 22:20:44,482 INFO L280 TraceCheckUtils]: 13: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,483 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {8131#true} {8402#(<= |fibo2_#in~n| 2)} #55#return; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:44,484 INFO L280 TraceCheckUtils]: 15: Hoare triple {8402#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:44,484 INFO L280 TraceCheckUtils]: 16: Hoare triple {8402#(<= |fibo2_#in~n| 2)} assume true; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:44,486 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {8402#(<= |fibo2_#in~n| 2)} {8281#(<= 5 fibo1_~n)} #59#return; {8132#false} is VALID [2020-07-17 22:20:44,486 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,486 INFO L280 TraceCheckUtils]: 1: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:44,487 INFO L280 TraceCheckUtils]: 2: Hoare triple {8131#true} assume !(1 == ~n); {8131#true} is VALID [2020-07-17 22:20:44,487 INFO L263 TraceCheckUtils]: 3: Hoare triple {8131#true} call #t~ret0 := fibo2(~n - 1); {8131#true} is VALID [2020-07-17 22:20:44,488 INFO L280 TraceCheckUtils]: 4: Hoare triple {8131#true} ~n := #in~n; {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,488 INFO L280 TraceCheckUtils]: 5: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,489 INFO L280 TraceCheckUtils]: 6: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,489 INFO L263 TraceCheckUtils]: 7: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-17 22:20:44,489 INFO L280 TraceCheckUtils]: 8: Hoare triple {8131#true} ~n := #in~n; {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,490 INFO L280 TraceCheckUtils]: 9: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,490 INFO L280 TraceCheckUtils]: 10: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,491 INFO L263 TraceCheckUtils]: 11: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {8131#true} is VALID [2020-07-17 22:20:44,491 INFO L280 TraceCheckUtils]: 12: Hoare triple {8131#true} ~n := #in~n; {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,492 INFO L280 TraceCheckUtils]: 13: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8377#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-17 22:20:44,493 INFO L280 TraceCheckUtils]: 14: Hoare triple {8377#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,493 INFO L263 TraceCheckUtils]: 15: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-17 22:20:44,493 INFO L280 TraceCheckUtils]: 16: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,493 INFO L280 TraceCheckUtils]: 17: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:44,493 INFO L280 TraceCheckUtils]: 18: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-17 22:20:44,494 INFO L280 TraceCheckUtils]: 19: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,495 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {8131#true} {8378#(<= 2 |fibo2_#in~n|)} #53#return; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,495 INFO L280 TraceCheckUtils]: 21: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,495 INFO L263 TraceCheckUtils]: 22: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-17 22:20:44,496 INFO L280 TraceCheckUtils]: 23: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,496 INFO L280 TraceCheckUtils]: 24: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-17 22:20:44,496 INFO L280 TraceCheckUtils]: 25: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,498 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {8131#true} {8378#(<= 2 |fibo2_#in~n|)} #55#return; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,498 INFO L280 TraceCheckUtils]: 27: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,499 INFO L280 TraceCheckUtils]: 28: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume true; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,500 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {8378#(<= 2 |fibo2_#in~n|)} {8352#(= fibo1_~n |fibo1_#in~n|)} #57#return; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,500 INFO L280 TraceCheckUtils]: 30: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,500 INFO L263 TraceCheckUtils]: 31: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {8131#true} is VALID [2020-07-17 22:20:44,501 INFO L280 TraceCheckUtils]: 32: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,501 INFO L280 TraceCheckUtils]: 33: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:44,501 INFO L280 TraceCheckUtils]: 34: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-17 22:20:44,501 INFO L280 TraceCheckUtils]: 35: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,502 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {8131#true} {8371#(<= 3 |fibo1_#in~n|)} #59#return; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,503 INFO L280 TraceCheckUtils]: 37: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,503 INFO L280 TraceCheckUtils]: 38: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} assume true; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,505 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {8371#(<= 3 |fibo1_#in~n|)} {8300#(= fibo2_~n |fibo2_#in~n|)} #53#return; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,505 INFO L280 TraceCheckUtils]: 40: Hoare triple {8333#(<= 4 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,505 INFO L263 TraceCheckUtils]: 41: Hoare triple {8333#(<= 4 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-17 22:20:44,506 INFO L280 TraceCheckUtils]: 42: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,506 INFO L280 TraceCheckUtils]: 43: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:44,506 INFO L280 TraceCheckUtils]: 44: Hoare triple {8131#true} assume !(1 == ~n); {8131#true} is VALID [2020-07-17 22:20:44,506 INFO L263 TraceCheckUtils]: 45: Hoare triple {8131#true} call #t~ret0 := fibo2(~n - 1); {8131#true} is VALID [2020-07-17 22:20:44,506 INFO L280 TraceCheckUtils]: 46: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,506 INFO L280 TraceCheckUtils]: 47: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:44,507 INFO L280 TraceCheckUtils]: 48: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-17 22:20:44,507 INFO L280 TraceCheckUtils]: 49: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,507 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {8131#true} {8131#true} #57#return; {8131#true} is VALID [2020-07-17 22:20:44,507 INFO L280 TraceCheckUtils]: 51: Hoare triple {8131#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8131#true} is VALID [2020-07-17 22:20:44,507 INFO L263 TraceCheckUtils]: 52: Hoare triple {8131#true} call #t~ret1 := fibo2(~n - 2); {8131#true} is VALID [2020-07-17 22:20:44,508 INFO L280 TraceCheckUtils]: 53: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,508 INFO L280 TraceCheckUtils]: 54: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-17 22:20:44,508 INFO L280 TraceCheckUtils]: 55: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,508 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {8131#true} {8131#true} #59#return; {8131#true} is VALID [2020-07-17 22:20:44,508 INFO L280 TraceCheckUtils]: 57: Hoare triple {8131#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {8131#true} is VALID [2020-07-17 22:20:44,509 INFO L280 TraceCheckUtils]: 58: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,510 INFO L275 TraceCheckUtils]: 59: Hoare quadruple {8131#true} {8333#(<= 4 |fibo2_#in~n|)} #55#return; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,510 INFO L280 TraceCheckUtils]: 60: Hoare triple {8333#(<= 4 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,511 INFO L280 TraceCheckUtils]: 61: Hoare triple {8333#(<= 4 |fibo2_#in~n|)} assume true; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,512 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {8333#(<= 4 |fibo2_#in~n|)} {8131#true} #57#return; {8281#(<= 5 fibo1_~n)} is VALID [2020-07-17 22:20:44,513 INFO L280 TraceCheckUtils]: 63: Hoare triple {8281#(<= 5 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8281#(<= 5 fibo1_~n)} is VALID [2020-07-17 22:20:44,513 INFO L263 TraceCheckUtils]: 64: Hoare triple {8281#(<= 5 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {8131#true} is VALID [2020-07-17 22:20:44,513 INFO L280 TraceCheckUtils]: 65: Hoare triple {8131#true} ~n := #in~n; {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,514 INFO L280 TraceCheckUtils]: 66: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,514 INFO L280 TraceCheckUtils]: 67: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,515 INFO L263 TraceCheckUtils]: 68: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-17 22:20:44,515 INFO L280 TraceCheckUtils]: 69: Hoare triple {8131#true} ~n := #in~n; {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,516 INFO L280 TraceCheckUtils]: 70: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,516 INFO L280 TraceCheckUtils]: 71: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {8407#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:44,517 INFO L280 TraceCheckUtils]: 72: Hoare triple {8407#(<= |fibo1_#in~n| 1)} assume true; {8407#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:44,518 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {8407#(<= |fibo1_#in~n| 1)} {8300#(= fibo2_~n |fibo2_#in~n|)} #53#return; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:44,518 INFO L280 TraceCheckUtils]: 74: Hoare triple {8402#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:44,519 INFO L263 TraceCheckUtils]: 75: Hoare triple {8402#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-17 22:20:44,519 INFO L280 TraceCheckUtils]: 76: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,519 INFO L280 TraceCheckUtils]: 77: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-17 22:20:44,519 INFO L280 TraceCheckUtils]: 78: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,520 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {8131#true} {8402#(<= |fibo2_#in~n| 2)} #55#return; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:44,520 INFO L280 TraceCheckUtils]: 80: Hoare triple {8402#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:44,521 INFO L280 TraceCheckUtils]: 81: Hoare triple {8402#(<= |fibo2_#in~n| 2)} assume true; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:44,522 INFO L275 TraceCheckUtils]: 82: Hoare quadruple {8402#(<= |fibo2_#in~n| 2)} {8281#(<= 5 fibo1_~n)} #59#return; {8132#false} is VALID [2020-07-17 22:20:44,522 INFO L280 TraceCheckUtils]: 83: Hoare triple {8132#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {8132#false} is VALID [2020-07-17 22:20:44,522 INFO L280 TraceCheckUtils]: 84: Hoare triple {8132#false} assume true; {8132#false} is VALID [2020-07-17 22:20:44,522 INFO L275 TraceCheckUtils]: 85: Hoare quadruple {8132#false} {8135#(<= 5 main_~x~0)} #51#return; {8132#false} is VALID [2020-07-17 22:20:44,528 INFO L263 TraceCheckUtils]: 0: Hoare triple {8131#true} call ULTIMATE.init(); {8131#true} is VALID [2020-07-17 22:20:44,529 INFO L280 TraceCheckUtils]: 1: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,529 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {8131#true} {8131#true} #47#return; {8131#true} is VALID [2020-07-17 22:20:44,529 INFO L263 TraceCheckUtils]: 3: Hoare triple {8131#true} call #t~ret5 := main(); {8131#true} is VALID [2020-07-17 22:20:44,531 INFO L280 TraceCheckUtils]: 4: Hoare triple {8131#true} ~x~0 := 5; {8135#(<= 5 main_~x~0)} is VALID [2020-07-17 22:20:44,531 INFO L263 TraceCheckUtils]: 5: Hoare triple {8135#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {8131#true} is VALID [2020-07-17 22:20:44,531 INFO L280 TraceCheckUtils]: 6: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,531 INFO L280 TraceCheckUtils]: 7: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:44,531 INFO L280 TraceCheckUtils]: 8: Hoare triple {8131#true} assume !(1 == ~n); {8131#true} is VALID [2020-07-17 22:20:44,532 INFO L263 TraceCheckUtils]: 9: Hoare triple {8131#true} call #t~ret0 := fibo2(~n - 1); {8131#true} is VALID [2020-07-17 22:20:44,532 INFO L280 TraceCheckUtils]: 10: Hoare triple {8131#true} ~n := #in~n; {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,533 INFO L280 TraceCheckUtils]: 11: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,533 INFO L280 TraceCheckUtils]: 12: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,534 INFO L263 TraceCheckUtils]: 13: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-17 22:20:44,534 INFO L280 TraceCheckUtils]: 14: Hoare triple {8131#true} ~n := #in~n; {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,535 INFO L280 TraceCheckUtils]: 15: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,535 INFO L280 TraceCheckUtils]: 16: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,536 INFO L263 TraceCheckUtils]: 17: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {8131#true} is VALID [2020-07-17 22:20:44,536 INFO L280 TraceCheckUtils]: 18: Hoare triple {8131#true} ~n := #in~n; {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,537 INFO L280 TraceCheckUtils]: 19: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8377#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-17 22:20:44,538 INFO L280 TraceCheckUtils]: 20: Hoare triple {8377#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,538 INFO L263 TraceCheckUtils]: 21: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-17 22:20:44,538 INFO L280 TraceCheckUtils]: 22: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,538 INFO L280 TraceCheckUtils]: 23: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:44,538 INFO L280 TraceCheckUtils]: 24: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-17 22:20:44,538 INFO L280 TraceCheckUtils]: 25: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,539 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {8131#true} {8378#(<= 2 |fibo2_#in~n|)} #53#return; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,540 INFO L280 TraceCheckUtils]: 27: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,540 INFO L263 TraceCheckUtils]: 28: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-17 22:20:44,540 INFO L280 TraceCheckUtils]: 29: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,540 INFO L280 TraceCheckUtils]: 30: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-17 22:20:44,541 INFO L280 TraceCheckUtils]: 31: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,542 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {8131#true} {8378#(<= 2 |fibo2_#in~n|)} #55#return; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,542 INFO L280 TraceCheckUtils]: 33: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,543 INFO L280 TraceCheckUtils]: 34: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume true; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,544 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {8378#(<= 2 |fibo2_#in~n|)} {8352#(= fibo1_~n |fibo1_#in~n|)} #57#return; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,545 INFO L280 TraceCheckUtils]: 36: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,545 INFO L263 TraceCheckUtils]: 37: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {8131#true} is VALID [2020-07-17 22:20:44,545 INFO L280 TraceCheckUtils]: 38: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,545 INFO L280 TraceCheckUtils]: 39: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:44,546 INFO L280 TraceCheckUtils]: 40: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-17 22:20:44,546 INFO L280 TraceCheckUtils]: 41: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,547 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {8131#true} {8371#(<= 3 |fibo1_#in~n|)} #59#return; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,547 INFO L280 TraceCheckUtils]: 43: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,548 INFO L280 TraceCheckUtils]: 44: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} assume true; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,549 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {8371#(<= 3 |fibo1_#in~n|)} {8300#(= fibo2_~n |fibo2_#in~n|)} #53#return; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,549 INFO L280 TraceCheckUtils]: 46: Hoare triple {8333#(<= 4 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,550 INFO L263 TraceCheckUtils]: 47: Hoare triple {8333#(<= 4 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-17 22:20:44,550 INFO L280 TraceCheckUtils]: 48: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,550 INFO L280 TraceCheckUtils]: 49: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:44,550 INFO L280 TraceCheckUtils]: 50: Hoare triple {8131#true} assume !(1 == ~n); {8131#true} is VALID [2020-07-17 22:20:44,550 INFO L263 TraceCheckUtils]: 51: Hoare triple {8131#true} call #t~ret0 := fibo2(~n - 1); {8131#true} is VALID [2020-07-17 22:20:44,551 INFO L280 TraceCheckUtils]: 52: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,551 INFO L280 TraceCheckUtils]: 53: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:44,551 INFO L280 TraceCheckUtils]: 54: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-17 22:20:44,551 INFO L280 TraceCheckUtils]: 55: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,551 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {8131#true} {8131#true} #57#return; {8131#true} is VALID [2020-07-17 22:20:44,551 INFO L280 TraceCheckUtils]: 57: Hoare triple {8131#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8131#true} is VALID [2020-07-17 22:20:44,552 INFO L263 TraceCheckUtils]: 58: Hoare triple {8131#true} call #t~ret1 := fibo2(~n - 2); {8131#true} is VALID [2020-07-17 22:20:44,552 INFO L280 TraceCheckUtils]: 59: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,552 INFO L280 TraceCheckUtils]: 60: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-17 22:20:44,552 INFO L280 TraceCheckUtils]: 61: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,552 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {8131#true} {8131#true} #59#return; {8131#true} is VALID [2020-07-17 22:20:44,553 INFO L280 TraceCheckUtils]: 63: Hoare triple {8131#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {8131#true} is VALID [2020-07-17 22:20:44,553 INFO L280 TraceCheckUtils]: 64: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,555 INFO L275 TraceCheckUtils]: 65: Hoare quadruple {8131#true} {8333#(<= 4 |fibo2_#in~n|)} #55#return; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,555 INFO L280 TraceCheckUtils]: 66: Hoare triple {8333#(<= 4 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,556 INFO L280 TraceCheckUtils]: 67: Hoare triple {8333#(<= 4 |fibo2_#in~n|)} assume true; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,557 INFO L275 TraceCheckUtils]: 68: Hoare quadruple {8333#(<= 4 |fibo2_#in~n|)} {8131#true} #57#return; {8281#(<= 5 fibo1_~n)} is VALID [2020-07-17 22:20:44,558 INFO L280 TraceCheckUtils]: 69: Hoare triple {8281#(<= 5 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8281#(<= 5 fibo1_~n)} is VALID [2020-07-17 22:20:44,558 INFO L263 TraceCheckUtils]: 70: Hoare triple {8281#(<= 5 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {8131#true} is VALID [2020-07-17 22:20:44,558 INFO L280 TraceCheckUtils]: 71: Hoare triple {8131#true} ~n := #in~n; {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,559 INFO L280 TraceCheckUtils]: 72: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,559 INFO L280 TraceCheckUtils]: 73: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:44,559 INFO L263 TraceCheckUtils]: 74: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-17 22:20:44,560 INFO L280 TraceCheckUtils]: 75: Hoare triple {8131#true} ~n := #in~n; {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,561 INFO L280 TraceCheckUtils]: 76: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:44,561 INFO L280 TraceCheckUtils]: 77: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {8407#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:44,563 INFO L280 TraceCheckUtils]: 78: Hoare triple {8407#(<= |fibo1_#in~n| 1)} assume true; {8407#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:44,565 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {8407#(<= |fibo1_#in~n| 1)} {8300#(= fibo2_~n |fibo2_#in~n|)} #53#return; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:44,565 INFO L280 TraceCheckUtils]: 80: Hoare triple {8402#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:44,565 INFO L263 TraceCheckUtils]: 81: Hoare triple {8402#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-17 22:20:44,565 INFO L280 TraceCheckUtils]: 82: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,566 INFO L280 TraceCheckUtils]: 83: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-17 22:20:44,566 INFO L280 TraceCheckUtils]: 84: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,567 INFO L275 TraceCheckUtils]: 85: Hoare quadruple {8131#true} {8402#(<= |fibo2_#in~n| 2)} #55#return; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:44,567 INFO L280 TraceCheckUtils]: 86: Hoare triple {8402#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:44,568 INFO L280 TraceCheckUtils]: 87: Hoare triple {8402#(<= |fibo2_#in~n| 2)} assume true; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:44,569 INFO L275 TraceCheckUtils]: 88: Hoare quadruple {8402#(<= |fibo2_#in~n| 2)} {8281#(<= 5 fibo1_~n)} #59#return; {8132#false} is VALID [2020-07-17 22:20:44,569 INFO L280 TraceCheckUtils]: 89: Hoare triple {8132#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {8132#false} is VALID [2020-07-17 22:20:44,569 INFO L280 TraceCheckUtils]: 90: Hoare triple {8132#false} assume true; {8132#false} is VALID [2020-07-17 22:20:44,569 INFO L275 TraceCheckUtils]: 91: Hoare quadruple {8132#false} {8135#(<= 5 main_~x~0)} #51#return; {8132#false} is VALID [2020-07-17 22:20:44,569 INFO L280 TraceCheckUtils]: 92: Hoare triple {8132#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {8132#false} is VALID [2020-07-17 22:20:44,570 INFO L280 TraceCheckUtils]: 93: Hoare triple {8132#false} assume 5 != ~result~0; {8132#false} is VALID [2020-07-17 22:20:44,570 INFO L280 TraceCheckUtils]: 94: Hoare triple {8132#false} assume !false; {8132#false} is VALID [2020-07-17 22:20:44,576 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 59 proven. 50 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-07-17 22:20:44,577 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122411463] [2020-07-17 22:20:44,577 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757357301] [2020-07-17 22:20:44,577 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:20:44,625 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-07-17 22:20:44,625 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-17 22:20:44,626 INFO L264 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-17 22:20:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:44,642 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 22:20:44,827 INFO L263 TraceCheckUtils]: 0: Hoare triple {8131#true} call ULTIMATE.init(); {8131#true} is VALID [2020-07-17 22:20:44,827 INFO L280 TraceCheckUtils]: 1: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,827 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {8131#true} {8131#true} #47#return; {8131#true} is VALID [2020-07-17 22:20:44,827 INFO L263 TraceCheckUtils]: 3: Hoare triple {8131#true} call #t~ret5 := main(); {8131#true} is VALID [2020-07-17 22:20:44,828 INFO L280 TraceCheckUtils]: 4: Hoare triple {8131#true} ~x~0 := 5; {8135#(<= 5 main_~x~0)} is VALID [2020-07-17 22:20:44,828 INFO L263 TraceCheckUtils]: 5: Hoare triple {8135#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {8131#true} is VALID [2020-07-17 22:20:44,829 INFO L280 TraceCheckUtils]: 6: Hoare triple {8131#true} ~n := #in~n; {8429#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:44,829 INFO L280 TraceCheckUtils]: 7: Hoare triple {8429#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {8429#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:44,830 INFO L280 TraceCheckUtils]: 8: Hoare triple {8429#(<= |fibo1_#in~n| fibo1_~n)} assume !(1 == ~n); {8429#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:44,830 INFO L263 TraceCheckUtils]: 9: Hoare triple {8429#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {8131#true} is VALID [2020-07-17 22:20:44,830 INFO L280 TraceCheckUtils]: 10: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,830 INFO L280 TraceCheckUtils]: 11: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:44,831 INFO L280 TraceCheckUtils]: 12: Hoare triple {8131#true} assume !(1 == ~n); {8131#true} is VALID [2020-07-17 22:20:44,831 INFO L263 TraceCheckUtils]: 13: Hoare triple {8131#true} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-17 22:20:44,831 INFO L280 TraceCheckUtils]: 14: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,831 INFO L280 TraceCheckUtils]: 15: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:44,831 INFO L280 TraceCheckUtils]: 16: Hoare triple {8131#true} assume !(1 == ~n); {8131#true} is VALID [2020-07-17 22:20:44,831 INFO L263 TraceCheckUtils]: 17: Hoare triple {8131#true} call #t~ret0 := fibo2(~n - 1); {8131#true} is VALID [2020-07-17 22:20:44,832 INFO L280 TraceCheckUtils]: 18: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,832 INFO L280 TraceCheckUtils]: 19: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:44,832 INFO L280 TraceCheckUtils]: 20: Hoare triple {8131#true} assume !(1 == ~n); {8131#true} is VALID [2020-07-17 22:20:44,832 INFO L263 TraceCheckUtils]: 21: Hoare triple {8131#true} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-17 22:20:44,832 INFO L280 TraceCheckUtils]: 22: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,832 INFO L280 TraceCheckUtils]: 23: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:44,833 INFO L280 TraceCheckUtils]: 24: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-17 22:20:44,833 INFO L280 TraceCheckUtils]: 25: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,833 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {8131#true} {8131#true} #53#return; {8131#true} is VALID [2020-07-17 22:20:44,833 INFO L280 TraceCheckUtils]: 27: Hoare triple {8131#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8131#true} is VALID [2020-07-17 22:20:44,833 INFO L263 TraceCheckUtils]: 28: Hoare triple {8131#true} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-17 22:20:44,833 INFO L280 TraceCheckUtils]: 29: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,834 INFO L280 TraceCheckUtils]: 30: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-17 22:20:44,834 INFO L280 TraceCheckUtils]: 31: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,834 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {8131#true} {8131#true} #55#return; {8131#true} is VALID [2020-07-17 22:20:44,834 INFO L280 TraceCheckUtils]: 33: Hoare triple {8131#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {8131#true} is VALID [2020-07-17 22:20:44,834 INFO L280 TraceCheckUtils]: 34: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,834 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {8131#true} {8131#true} #57#return; {8131#true} is VALID [2020-07-17 22:20:44,835 INFO L280 TraceCheckUtils]: 36: Hoare triple {8131#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8131#true} is VALID [2020-07-17 22:20:44,835 INFO L263 TraceCheckUtils]: 37: Hoare triple {8131#true} call #t~ret1 := fibo2(~n - 2); {8131#true} is VALID [2020-07-17 22:20:44,835 INFO L280 TraceCheckUtils]: 38: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,835 INFO L280 TraceCheckUtils]: 39: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:44,835 INFO L280 TraceCheckUtils]: 40: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-17 22:20:44,836 INFO L280 TraceCheckUtils]: 41: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,836 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {8131#true} {8131#true} #59#return; {8131#true} is VALID [2020-07-17 22:20:44,837 INFO L280 TraceCheckUtils]: 43: Hoare triple {8131#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {8131#true} is VALID [2020-07-17 22:20:44,837 INFO L280 TraceCheckUtils]: 44: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,838 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {8131#true} {8131#true} #53#return; {8131#true} is VALID [2020-07-17 22:20:44,838 INFO L280 TraceCheckUtils]: 46: Hoare triple {8131#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8131#true} is VALID [2020-07-17 22:20:44,838 INFO L263 TraceCheckUtils]: 47: Hoare triple {8131#true} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-17 22:20:44,838 INFO L280 TraceCheckUtils]: 48: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,838 INFO L280 TraceCheckUtils]: 49: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:44,838 INFO L280 TraceCheckUtils]: 50: Hoare triple {8131#true} assume !(1 == ~n); {8131#true} is VALID [2020-07-17 22:20:44,839 INFO L263 TraceCheckUtils]: 51: Hoare triple {8131#true} call #t~ret0 := fibo2(~n - 1); {8131#true} is VALID [2020-07-17 22:20:44,839 INFO L280 TraceCheckUtils]: 52: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,839 INFO L280 TraceCheckUtils]: 53: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:44,839 INFO L280 TraceCheckUtils]: 54: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-17 22:20:44,839 INFO L280 TraceCheckUtils]: 55: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,839 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {8131#true} {8131#true} #57#return; {8131#true} is VALID [2020-07-17 22:20:44,840 INFO L280 TraceCheckUtils]: 57: Hoare triple {8131#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8131#true} is VALID [2020-07-17 22:20:44,840 INFO L263 TraceCheckUtils]: 58: Hoare triple {8131#true} call #t~ret1 := fibo2(~n - 2); {8131#true} is VALID [2020-07-17 22:20:44,840 INFO L280 TraceCheckUtils]: 59: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,840 INFO L280 TraceCheckUtils]: 60: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-17 22:20:44,840 INFO L280 TraceCheckUtils]: 61: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,841 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {8131#true} {8131#true} #59#return; {8131#true} is VALID [2020-07-17 22:20:44,841 INFO L280 TraceCheckUtils]: 63: Hoare triple {8131#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {8131#true} is VALID [2020-07-17 22:20:44,841 INFO L280 TraceCheckUtils]: 64: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,841 INFO L275 TraceCheckUtils]: 65: Hoare quadruple {8131#true} {8131#true} #55#return; {8131#true} is VALID [2020-07-17 22:20:44,841 INFO L280 TraceCheckUtils]: 66: Hoare triple {8131#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {8131#true} is VALID [2020-07-17 22:20:44,841 INFO L280 TraceCheckUtils]: 67: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,843 INFO L275 TraceCheckUtils]: 68: Hoare quadruple {8131#true} {8429#(<= |fibo1_#in~n| fibo1_~n)} #57#return; {8429#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:44,843 INFO L280 TraceCheckUtils]: 69: Hoare triple {8429#(<= |fibo1_#in~n| fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8429#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:44,843 INFO L263 TraceCheckUtils]: 70: Hoare triple {8429#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {8131#true} is VALID [2020-07-17 22:20:44,844 INFO L280 TraceCheckUtils]: 71: Hoare triple {8131#true} ~n := #in~n; {8625#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:44,844 INFO L280 TraceCheckUtils]: 72: Hoare triple {8625#(<= |fibo2_#in~n| fibo2_~n)} assume !(~n < 1); {8625#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:44,845 INFO L280 TraceCheckUtils]: 73: Hoare triple {8625#(<= |fibo2_#in~n| fibo2_~n)} assume !(1 == ~n); {8625#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:44,845 INFO L263 TraceCheckUtils]: 74: Hoare triple {8625#(<= |fibo2_#in~n| fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-17 22:20:44,846 INFO L280 TraceCheckUtils]: 75: Hoare triple {8131#true} ~n := #in~n; {8429#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:44,846 INFO L280 TraceCheckUtils]: 76: Hoare triple {8429#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {8429#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:44,847 INFO L280 TraceCheckUtils]: 77: Hoare triple {8429#(<= |fibo1_#in~n| fibo1_~n)} assume 1 == ~n;#res := 1; {8407#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:44,847 INFO L280 TraceCheckUtils]: 78: Hoare triple {8407#(<= |fibo1_#in~n| 1)} assume true; {8407#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:44,848 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {8407#(<= |fibo1_#in~n| 1)} {8625#(<= |fibo2_#in~n| fibo2_~n)} #53#return; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:44,849 INFO L280 TraceCheckUtils]: 80: Hoare triple {8402#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:44,849 INFO L263 TraceCheckUtils]: 81: Hoare triple {8402#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-17 22:20:44,849 INFO L280 TraceCheckUtils]: 82: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:44,849 INFO L280 TraceCheckUtils]: 83: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-17 22:20:44,850 INFO L280 TraceCheckUtils]: 84: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:44,850 INFO L275 TraceCheckUtils]: 85: Hoare quadruple {8131#true} {8402#(<= |fibo2_#in~n| 2)} #55#return; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:44,851 INFO L280 TraceCheckUtils]: 86: Hoare triple {8402#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:44,851 INFO L280 TraceCheckUtils]: 87: Hoare triple {8402#(<= |fibo2_#in~n| 2)} assume true; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:44,852 INFO L275 TraceCheckUtils]: 88: Hoare quadruple {8402#(<= |fibo2_#in~n| 2)} {8429#(<= |fibo1_#in~n| fibo1_~n)} #59#return; {8677#(<= |fibo1_#in~n| 4)} is VALID [2020-07-17 22:20:44,853 INFO L280 TraceCheckUtils]: 89: Hoare triple {8677#(<= |fibo1_#in~n| 4)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {8677#(<= |fibo1_#in~n| 4)} is VALID [2020-07-17 22:20:44,853 INFO L280 TraceCheckUtils]: 90: Hoare triple {8677#(<= |fibo1_#in~n| 4)} assume true; {8677#(<= |fibo1_#in~n| 4)} is VALID [2020-07-17 22:20:44,854 INFO L275 TraceCheckUtils]: 91: Hoare quadruple {8677#(<= |fibo1_#in~n| 4)} {8135#(<= 5 main_~x~0)} #51#return; {8132#false} is VALID [2020-07-17 22:20:44,854 INFO L280 TraceCheckUtils]: 92: Hoare triple {8132#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {8132#false} is VALID [2020-07-17 22:20:44,854 INFO L280 TraceCheckUtils]: 93: Hoare triple {8132#false} assume 5 != ~result~0; {8132#false} is VALID [2020-07-17 22:20:44,855 INFO L280 TraceCheckUtils]: 94: Hoare triple {8132#false} assume !false; {8132#false} is VALID [2020-07-17 22:20:44,860 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 58 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-07-17 22:20:44,860 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 22:20:44,860 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 15 [2020-07-17 22:20:44,861 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144391542] [2020-07-17 22:20:44,862 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 95 [2020-07-17 22:20:44,864 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:20:44,864 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states. [2020-07-17 22:20:44,977 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 94 edges. 94 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:20:44,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-17 22:20:44,978 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:20:44,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-17 22:20:44,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-07-17 22:20:44,978 INFO L87 Difference]: Start difference. First operand 92 states and 115 transitions. Second operand 15 states. [2020-07-17 22:20:46,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:46,449 INFO L93 Difference]: Finished difference Result 178 states and 229 transitions. [2020-07-17 22:20:46,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-17 22:20:46,450 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 95 [2020-07-17 22:20:46,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:20:46,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-17 22:20:46,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 120 transitions. [2020-07-17 22:20:46,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-17 22:20:46,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 120 transitions. [2020-07-17 22:20:46,456 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 20 states and 120 transitions. [2020-07-17 22:20:46,618 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 120 edges. 120 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:20:46,621 INFO L225 Difference]: With dead ends: 178 [2020-07-17 22:20:46,622 INFO L226 Difference]: Without dead ends: 99 [2020-07-17 22:20:46,624 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=499, Unknown=0, NotChecked=0, Total=600 [2020-07-17 22:20:46,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-07-17 22:20:46,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 95. [2020-07-17 22:20:46,694 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:20:46,694 INFO L82 GeneralOperation]: Start isEquivalent. First operand 99 states. Second operand 95 states. [2020-07-17 22:20:46,694 INFO L74 IsIncluded]: Start isIncluded. First operand 99 states. Second operand 95 states. [2020-07-17 22:20:46,695 INFO L87 Difference]: Start difference. First operand 99 states. Second operand 95 states. [2020-07-17 22:20:46,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:46,699 INFO L93 Difference]: Finished difference Result 99 states and 120 transitions. [2020-07-17 22:20:46,699 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 120 transitions. [2020-07-17 22:20:46,700 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:46,700 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:46,700 INFO L74 IsIncluded]: Start isIncluded. First operand 95 states. Second operand 99 states. [2020-07-17 22:20:46,701 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 99 states. [2020-07-17 22:20:46,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:46,705 INFO L93 Difference]: Finished difference Result 99 states and 120 transitions. [2020-07-17 22:20:46,705 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 120 transitions. [2020-07-17 22:20:46,706 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:46,706 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:46,706 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:20:46,707 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:20:46,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-07-17 22:20:46,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 116 transitions. [2020-07-17 22:20:46,712 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 116 transitions. Word has length 95 [2020-07-17 22:20:46,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:20:46,713 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 116 transitions. [2020-07-17 22:20:46,713 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-17 22:20:46,713 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 116 transitions. [2020-07-17 22:20:46,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-07-17 22:20:46,715 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:20:46,716 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:20:46,929 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:20:46,930 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:20:46,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:20:46,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1540036056, now seen corresponding path program 3 times [2020-07-17 22:20:46,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:20:46,931 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101895087] [2020-07-17 22:20:46,931 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:20:46,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:47,010 INFO L280 TraceCheckUtils]: 0: Hoare triple {9270#true} assume true; {9270#true} is VALID [2020-07-17 22:20:47,010 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {9270#true} {9270#true} #47#return; {9270#true} is VALID [2020-07-17 22:20:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:47,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:47,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:47,389 INFO L280 TraceCheckUtils]: 0: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,390 INFO L280 TraceCheckUtils]: 1: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,390 INFO L280 TraceCheckUtils]: 2: Hoare triple {9270#true} assume 1 == ~n;#res := 1; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:47,391 INFO L280 TraceCheckUtils]: 3: Hoare triple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:47,392 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {9270#true} #53#return; {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-17 22:20:47,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:47,434 INFO L280 TraceCheckUtils]: 0: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,435 INFO L280 TraceCheckUtils]: 1: Hoare triple {9270#true} assume ~n < 1;#res := 0; {9562#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} is VALID [2020-07-17 22:20:47,435 INFO L280 TraceCheckUtils]: 2: Hoare triple {9562#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} assume true; {9562#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} is VALID [2020-07-17 22:20:47,437 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {9562#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} #55#return; {9559#(and (<= 1 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 1))} is VALID [2020-07-17 22:20:47,438 INFO L280 TraceCheckUtils]: 0: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,438 INFO L280 TraceCheckUtils]: 1: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,438 INFO L280 TraceCheckUtils]: 2: Hoare triple {9270#true} assume !(1 == ~n); {9270#true} is VALID [2020-07-17 22:20:47,439 INFO L263 TraceCheckUtils]: 3: Hoare triple {9270#true} call #t~ret2 := fibo1(~n - 1); {9270#true} is VALID [2020-07-17 22:20:47,439 INFO L280 TraceCheckUtils]: 4: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,439 INFO L280 TraceCheckUtils]: 5: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,440 INFO L280 TraceCheckUtils]: 6: Hoare triple {9270#true} assume 1 == ~n;#res := 1; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:47,441 INFO L280 TraceCheckUtils]: 7: Hoare triple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:47,443 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {9270#true} #53#return; {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-17 22:20:47,444 INFO L280 TraceCheckUtils]: 9: Hoare triple {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-17 22:20:47,444 INFO L263 TraceCheckUtils]: 10: Hoare triple {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} call #t~ret3 := fibo1(~n - 2); {9270#true} is VALID [2020-07-17 22:20:47,444 INFO L280 TraceCheckUtils]: 11: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,445 INFO L280 TraceCheckUtils]: 12: Hoare triple {9270#true} assume ~n < 1;#res := 0; {9562#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} is VALID [2020-07-17 22:20:47,446 INFO L280 TraceCheckUtils]: 13: Hoare triple {9562#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} assume true; {9562#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} is VALID [2020-07-17 22:20:47,448 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {9562#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} #55#return; {9559#(and (<= 1 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 1))} is VALID [2020-07-17 22:20:47,450 INFO L280 TraceCheckUtils]: 15: Hoare triple {9559#(and (<= 1 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 1))} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,451 INFO L280 TraceCheckUtils]: 16: Hoare triple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,452 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {9270#true} #57#return; {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-17 22:20:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:47,465 INFO L280 TraceCheckUtils]: 0: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,465 INFO L280 TraceCheckUtils]: 1: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,466 INFO L280 TraceCheckUtils]: 2: Hoare triple {9270#true} assume 1 == ~n;#res := 1; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,467 INFO L280 TraceCheckUtils]: 3: Hoare triple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,470 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} #59#return; {9547#(and (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 2) (<= 2 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)))} is VALID [2020-07-17 22:20:47,470 INFO L280 TraceCheckUtils]: 0: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,471 INFO L280 TraceCheckUtils]: 1: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,471 INFO L280 TraceCheckUtils]: 2: Hoare triple {9270#true} assume !(1 == ~n); {9270#true} is VALID [2020-07-17 22:20:47,471 INFO L263 TraceCheckUtils]: 3: Hoare triple {9270#true} call #t~ret0 := fibo2(~n - 1); {9270#true} is VALID [2020-07-17 22:20:47,472 INFO L280 TraceCheckUtils]: 4: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,472 INFO L280 TraceCheckUtils]: 5: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,472 INFO L280 TraceCheckUtils]: 6: Hoare triple {9270#true} assume !(1 == ~n); {9270#true} is VALID [2020-07-17 22:20:47,473 INFO L263 TraceCheckUtils]: 7: Hoare triple {9270#true} call #t~ret2 := fibo1(~n - 1); {9270#true} is VALID [2020-07-17 22:20:47,473 INFO L280 TraceCheckUtils]: 8: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,473 INFO L280 TraceCheckUtils]: 9: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,475 INFO L280 TraceCheckUtils]: 10: Hoare triple {9270#true} assume 1 == ~n;#res := 1; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:47,476 INFO L280 TraceCheckUtils]: 11: Hoare triple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:47,477 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {9270#true} #53#return; {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-17 22:20:47,479 INFO L280 TraceCheckUtils]: 13: Hoare triple {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-17 22:20:47,479 INFO L263 TraceCheckUtils]: 14: Hoare triple {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} call #t~ret3 := fibo1(~n - 2); {9270#true} is VALID [2020-07-17 22:20:47,480 INFO L280 TraceCheckUtils]: 15: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,481 INFO L280 TraceCheckUtils]: 16: Hoare triple {9270#true} assume ~n < 1;#res := 0; {9562#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} is VALID [2020-07-17 22:20:47,482 INFO L280 TraceCheckUtils]: 17: Hoare triple {9562#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} assume true; {9562#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} is VALID [2020-07-17 22:20:47,484 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {9562#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} #55#return; {9559#(and (<= 1 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 1))} is VALID [2020-07-17 22:20:47,486 INFO L280 TraceCheckUtils]: 19: Hoare triple {9559#(and (<= 1 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 1))} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,488 INFO L280 TraceCheckUtils]: 20: Hoare triple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,489 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {9270#true} #57#return; {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-17 22:20:47,490 INFO L280 TraceCheckUtils]: 22: Hoare triple {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-17 22:20:47,491 INFO L263 TraceCheckUtils]: 23: Hoare triple {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} call #t~ret1 := fibo2(~n - 2); {9270#true} is VALID [2020-07-17 22:20:47,491 INFO L280 TraceCheckUtils]: 24: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,491 INFO L280 TraceCheckUtils]: 25: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,492 INFO L280 TraceCheckUtils]: 26: Hoare triple {9270#true} assume 1 == ~n;#res := 1; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,493 INFO L280 TraceCheckUtils]: 27: Hoare triple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,495 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} #59#return; {9547#(and (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 2) (<= 2 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)))} is VALID [2020-07-17 22:20:47,496 INFO L280 TraceCheckUtils]: 29: Hoare triple {9547#(and (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 2) (<= 2 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {9548#(and (<= 2 |fibo1_#res|) (<= |fibo1_#res| 2))} is VALID [2020-07-17 22:20:47,497 INFO L280 TraceCheckUtils]: 30: Hoare triple {9548#(and (<= 2 |fibo1_#res|) (<= |fibo1_#res| 2))} assume true; {9548#(and (<= 2 |fibo1_#res|) (<= |fibo1_#res| 2))} is VALID [2020-07-17 22:20:47,498 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {9548#(and (<= 2 |fibo1_#res|) (<= |fibo1_#res| 2))} {9270#true} #53#return; {9502#(and (<= 2 |fibo2_#t~ret2|) (<= |fibo2_#t~ret2| 2))} is VALID [2020-07-17 22:20:47,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:47,590 INFO L280 TraceCheckUtils]: 0: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,590 INFO L280 TraceCheckUtils]: 1: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,591 INFO L280 TraceCheckUtils]: 2: Hoare triple {9270#true} assume 1 == ~n;#res := 1; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,592 INFO L280 TraceCheckUtils]: 3: Hoare triple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,593 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {9270#true} #57#return; {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-17 22:20:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:47,637 INFO L280 TraceCheckUtils]: 0: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,638 INFO L280 TraceCheckUtils]: 1: Hoare triple {9270#true} assume ~n < 1;#res := 0; {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-17 22:20:47,639 INFO L280 TraceCheckUtils]: 2: Hoare triple {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} assume true; {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-17 22:20:47,641 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} #59#return; {9572#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} is VALID [2020-07-17 22:20:47,642 INFO L280 TraceCheckUtils]: 0: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,642 INFO L280 TraceCheckUtils]: 1: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,642 INFO L280 TraceCheckUtils]: 2: Hoare triple {9270#true} assume !(1 == ~n); {9270#true} is VALID [2020-07-17 22:20:47,643 INFO L263 TraceCheckUtils]: 3: Hoare triple {9270#true} call #t~ret0 := fibo2(~n - 1); {9270#true} is VALID [2020-07-17 22:20:47,643 INFO L280 TraceCheckUtils]: 4: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,643 INFO L280 TraceCheckUtils]: 5: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,645 INFO L280 TraceCheckUtils]: 6: Hoare triple {9270#true} assume 1 == ~n;#res := 1; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,646 INFO L280 TraceCheckUtils]: 7: Hoare triple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,647 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {9270#true} #57#return; {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-17 22:20:47,648 INFO L280 TraceCheckUtils]: 9: Hoare triple {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-17 22:20:47,649 INFO L263 TraceCheckUtils]: 10: Hoare triple {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} call #t~ret1 := fibo2(~n - 2); {9270#true} is VALID [2020-07-17 22:20:47,649 INFO L280 TraceCheckUtils]: 11: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,650 INFO L280 TraceCheckUtils]: 12: Hoare triple {9270#true} assume ~n < 1;#res := 0; {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-17 22:20:47,651 INFO L280 TraceCheckUtils]: 13: Hoare triple {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} assume true; {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-17 22:20:47,653 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} #59#return; {9572#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} is VALID [2020-07-17 22:20:47,655 INFO L280 TraceCheckUtils]: 15: Hoare triple {9572#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:47,656 INFO L280 TraceCheckUtils]: 16: Hoare triple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:47,658 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {9502#(and (<= 2 |fibo2_#t~ret2|) (<= |fibo2_#t~ret2| 2))} #55#return; {9521#(and (<= 3 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 3))} is VALID [2020-07-17 22:20:47,659 INFO L280 TraceCheckUtils]: 0: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,659 INFO L280 TraceCheckUtils]: 1: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,659 INFO L280 TraceCheckUtils]: 2: Hoare triple {9270#true} assume !(1 == ~n); {9270#true} is VALID [2020-07-17 22:20:47,660 INFO L263 TraceCheckUtils]: 3: Hoare triple {9270#true} call #t~ret2 := fibo1(~n - 1); {9270#true} is VALID [2020-07-17 22:20:47,660 INFO L280 TraceCheckUtils]: 4: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,660 INFO L280 TraceCheckUtils]: 5: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,661 INFO L280 TraceCheckUtils]: 6: Hoare triple {9270#true} assume !(1 == ~n); {9270#true} is VALID [2020-07-17 22:20:47,661 INFO L263 TraceCheckUtils]: 7: Hoare triple {9270#true} call #t~ret0 := fibo2(~n - 1); {9270#true} is VALID [2020-07-17 22:20:47,661 INFO L280 TraceCheckUtils]: 8: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,662 INFO L280 TraceCheckUtils]: 9: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,662 INFO L280 TraceCheckUtils]: 10: Hoare triple {9270#true} assume !(1 == ~n); {9270#true} is VALID [2020-07-17 22:20:47,662 INFO L263 TraceCheckUtils]: 11: Hoare triple {9270#true} call #t~ret2 := fibo1(~n - 1); {9270#true} is VALID [2020-07-17 22:20:47,663 INFO L280 TraceCheckUtils]: 12: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,663 INFO L280 TraceCheckUtils]: 13: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,664 INFO L280 TraceCheckUtils]: 14: Hoare triple {9270#true} assume 1 == ~n;#res := 1; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:47,665 INFO L280 TraceCheckUtils]: 15: Hoare triple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:47,666 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {9270#true} #53#return; {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-17 22:20:47,667 INFO L280 TraceCheckUtils]: 17: Hoare triple {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-17 22:20:47,667 INFO L263 TraceCheckUtils]: 18: Hoare triple {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} call #t~ret3 := fibo1(~n - 2); {9270#true} is VALID [2020-07-17 22:20:47,667 INFO L280 TraceCheckUtils]: 19: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,668 INFO L280 TraceCheckUtils]: 20: Hoare triple {9270#true} assume ~n < 1;#res := 0; {9562#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} is VALID [2020-07-17 22:20:47,668 INFO L280 TraceCheckUtils]: 21: Hoare triple {9562#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} assume true; {9562#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} is VALID [2020-07-17 22:20:47,670 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {9562#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} #55#return; {9559#(and (<= 1 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 1))} is VALID [2020-07-17 22:20:47,671 INFO L280 TraceCheckUtils]: 23: Hoare triple {9559#(and (<= 1 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 1))} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,672 INFO L280 TraceCheckUtils]: 24: Hoare triple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,673 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {9270#true} #57#return; {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-17 22:20:47,674 INFO L280 TraceCheckUtils]: 26: Hoare triple {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-17 22:20:47,674 INFO L263 TraceCheckUtils]: 27: Hoare triple {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} call #t~ret1 := fibo2(~n - 2); {9270#true} is VALID [2020-07-17 22:20:47,675 INFO L280 TraceCheckUtils]: 28: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,675 INFO L280 TraceCheckUtils]: 29: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,676 INFO L280 TraceCheckUtils]: 30: Hoare triple {9270#true} assume 1 == ~n;#res := 1; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,677 INFO L280 TraceCheckUtils]: 31: Hoare triple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,679 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} #59#return; {9547#(and (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 2) (<= 2 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)))} is VALID [2020-07-17 22:20:47,681 INFO L280 TraceCheckUtils]: 33: Hoare triple {9547#(and (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 2) (<= 2 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {9548#(and (<= 2 |fibo1_#res|) (<= |fibo1_#res| 2))} is VALID [2020-07-17 22:20:47,682 INFO L280 TraceCheckUtils]: 34: Hoare triple {9548#(and (<= 2 |fibo1_#res|) (<= |fibo1_#res| 2))} assume true; {9548#(and (<= 2 |fibo1_#res|) (<= |fibo1_#res| 2))} is VALID [2020-07-17 22:20:47,683 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {9548#(and (<= 2 |fibo1_#res|) (<= |fibo1_#res| 2))} {9270#true} #53#return; {9502#(and (<= 2 |fibo2_#t~ret2|) (<= |fibo2_#t~ret2| 2))} is VALID [2020-07-17 22:20:47,684 INFO L280 TraceCheckUtils]: 36: Hoare triple {9502#(and (<= 2 |fibo2_#t~ret2|) (<= |fibo2_#t~ret2| 2))} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9502#(and (<= 2 |fibo2_#t~ret2|) (<= |fibo2_#t~ret2| 2))} is VALID [2020-07-17 22:20:47,684 INFO L263 TraceCheckUtils]: 37: Hoare triple {9502#(and (<= 2 |fibo2_#t~ret2|) (<= |fibo2_#t~ret2| 2))} call #t~ret3 := fibo1(~n - 2); {9270#true} is VALID [2020-07-17 22:20:47,685 INFO L280 TraceCheckUtils]: 38: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,685 INFO L280 TraceCheckUtils]: 39: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,685 INFO L280 TraceCheckUtils]: 40: Hoare triple {9270#true} assume !(1 == ~n); {9270#true} is VALID [2020-07-17 22:20:47,686 INFO L263 TraceCheckUtils]: 41: Hoare triple {9270#true} call #t~ret0 := fibo2(~n - 1); {9270#true} is VALID [2020-07-17 22:20:47,686 INFO L280 TraceCheckUtils]: 42: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,686 INFO L280 TraceCheckUtils]: 43: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,687 INFO L280 TraceCheckUtils]: 44: Hoare triple {9270#true} assume 1 == ~n;#res := 1; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,688 INFO L280 TraceCheckUtils]: 45: Hoare triple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,690 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {9270#true} #57#return; {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-17 22:20:47,690 INFO L280 TraceCheckUtils]: 47: Hoare triple {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-17 22:20:47,690 INFO L263 TraceCheckUtils]: 48: Hoare triple {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} call #t~ret1 := fibo2(~n - 2); {9270#true} is VALID [2020-07-17 22:20:47,691 INFO L280 TraceCheckUtils]: 49: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,691 INFO L280 TraceCheckUtils]: 50: Hoare triple {9270#true} assume ~n < 1;#res := 0; {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-17 22:20:47,692 INFO L280 TraceCheckUtils]: 51: Hoare triple {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} assume true; {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-17 22:20:47,695 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} #59#return; {9572#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} is VALID [2020-07-17 22:20:47,696 INFO L280 TraceCheckUtils]: 53: Hoare triple {9572#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:47,697 INFO L280 TraceCheckUtils]: 54: Hoare triple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:47,699 INFO L275 TraceCheckUtils]: 55: Hoare quadruple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {9502#(and (<= 2 |fibo2_#t~ret2|) (<= |fibo2_#t~ret2| 2))} #55#return; {9521#(and (<= 3 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 3))} is VALID [2020-07-17 22:20:47,700 INFO L280 TraceCheckUtils]: 56: Hoare triple {9521#(and (<= 3 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 3))} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {9522#(and (<= 3 |fibo2_#res|) (<= |fibo2_#res| 3))} is VALID [2020-07-17 22:20:47,701 INFO L280 TraceCheckUtils]: 57: Hoare triple {9522#(and (<= 3 |fibo2_#res|) (<= |fibo2_#res| 3))} assume true; {9522#(and (<= 3 |fibo2_#res|) (<= |fibo2_#res| 3))} is VALID [2020-07-17 22:20:47,702 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {9522#(and (<= 3 |fibo2_#res|) (<= |fibo2_#res| 3))} {9270#true} #57#return; {9435#(and (<= 3 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 3))} is VALID [2020-07-17 22:20:47,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:47,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:47,819 INFO L280 TraceCheckUtils]: 0: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,820 INFO L280 TraceCheckUtils]: 1: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,820 INFO L280 TraceCheckUtils]: 2: Hoare triple {9270#true} assume 1 == ~n;#res := 1; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,821 INFO L280 TraceCheckUtils]: 3: Hoare triple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,822 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {9270#true} #57#return; {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-17 22:20:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:47,830 INFO L280 TraceCheckUtils]: 0: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,831 INFO L280 TraceCheckUtils]: 1: Hoare triple {9270#true} assume ~n < 1;#res := 0; {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-17 22:20:47,832 INFO L280 TraceCheckUtils]: 2: Hoare triple {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} assume true; {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-17 22:20:47,833 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} #59#return; {9572#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} is VALID [2020-07-17 22:20:47,834 INFO L280 TraceCheckUtils]: 0: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,834 INFO L280 TraceCheckUtils]: 1: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,834 INFO L280 TraceCheckUtils]: 2: Hoare triple {9270#true} assume !(1 == ~n); {9270#true} is VALID [2020-07-17 22:20:47,834 INFO L263 TraceCheckUtils]: 3: Hoare triple {9270#true} call #t~ret0 := fibo2(~n - 1); {9270#true} is VALID [2020-07-17 22:20:47,834 INFO L280 TraceCheckUtils]: 4: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,834 INFO L280 TraceCheckUtils]: 5: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,835 INFO L280 TraceCheckUtils]: 6: Hoare triple {9270#true} assume 1 == ~n;#res := 1; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,836 INFO L280 TraceCheckUtils]: 7: Hoare triple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,837 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {9270#true} #57#return; {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-17 22:20:47,838 INFO L280 TraceCheckUtils]: 9: Hoare triple {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-17 22:20:47,838 INFO L263 TraceCheckUtils]: 10: Hoare triple {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} call #t~ret1 := fibo2(~n - 2); {9270#true} is VALID [2020-07-17 22:20:47,838 INFO L280 TraceCheckUtils]: 11: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,839 INFO L280 TraceCheckUtils]: 12: Hoare triple {9270#true} assume ~n < 1;#res := 0; {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-17 22:20:47,839 INFO L280 TraceCheckUtils]: 13: Hoare triple {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} assume true; {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-17 22:20:47,841 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} #59#return; {9572#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} is VALID [2020-07-17 22:20:47,842 INFO L280 TraceCheckUtils]: 15: Hoare triple {9572#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:47,842 INFO L280 TraceCheckUtils]: 16: Hoare triple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:47,843 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {9270#true} #53#return; {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-17 22:20:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:47,852 INFO L280 TraceCheckUtils]: 0: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,852 INFO L280 TraceCheckUtils]: 1: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,853 INFO L280 TraceCheckUtils]: 2: Hoare triple {9270#true} assume 1 == ~n;#res := 1; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:47,854 INFO L280 TraceCheckUtils]: 3: Hoare triple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:47,855 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} #55#return; {9597#(and (<= 2 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 2))} is VALID [2020-07-17 22:20:47,856 INFO L280 TraceCheckUtils]: 0: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,856 INFO L280 TraceCheckUtils]: 1: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,856 INFO L280 TraceCheckUtils]: 2: Hoare triple {9270#true} assume !(1 == ~n); {9270#true} is VALID [2020-07-17 22:20:47,856 INFO L263 TraceCheckUtils]: 3: Hoare triple {9270#true} call #t~ret2 := fibo1(~n - 1); {9270#true} is VALID [2020-07-17 22:20:47,856 INFO L280 TraceCheckUtils]: 4: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,857 INFO L280 TraceCheckUtils]: 5: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,857 INFO L280 TraceCheckUtils]: 6: Hoare triple {9270#true} assume !(1 == ~n); {9270#true} is VALID [2020-07-17 22:20:47,857 INFO L263 TraceCheckUtils]: 7: Hoare triple {9270#true} call #t~ret0 := fibo2(~n - 1); {9270#true} is VALID [2020-07-17 22:20:47,857 INFO L280 TraceCheckUtils]: 8: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,857 INFO L280 TraceCheckUtils]: 9: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,858 INFO L280 TraceCheckUtils]: 10: Hoare triple {9270#true} assume 1 == ~n;#res := 1; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,859 INFO L280 TraceCheckUtils]: 11: Hoare triple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,860 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {9270#true} #57#return; {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-17 22:20:47,861 INFO L280 TraceCheckUtils]: 13: Hoare triple {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-17 22:20:47,861 INFO L263 TraceCheckUtils]: 14: Hoare triple {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} call #t~ret1 := fibo2(~n - 2); {9270#true} is VALID [2020-07-17 22:20:47,861 INFO L280 TraceCheckUtils]: 15: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,862 INFO L280 TraceCheckUtils]: 16: Hoare triple {9270#true} assume ~n < 1;#res := 0; {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-17 22:20:47,863 INFO L280 TraceCheckUtils]: 17: Hoare triple {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} assume true; {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-17 22:20:47,864 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} #59#return; {9572#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} is VALID [2020-07-17 22:20:47,866 INFO L280 TraceCheckUtils]: 19: Hoare triple {9572#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:47,866 INFO L280 TraceCheckUtils]: 20: Hoare triple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:47,867 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {9270#true} #53#return; {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-17 22:20:47,868 INFO L280 TraceCheckUtils]: 22: Hoare triple {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-17 22:20:47,869 INFO L263 TraceCheckUtils]: 23: Hoare triple {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} call #t~ret3 := fibo1(~n - 2); {9270#true} is VALID [2020-07-17 22:20:47,869 INFO L280 TraceCheckUtils]: 24: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,869 INFO L280 TraceCheckUtils]: 25: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,870 INFO L280 TraceCheckUtils]: 26: Hoare triple {9270#true} assume 1 == ~n;#res := 1; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:47,871 INFO L280 TraceCheckUtils]: 27: Hoare triple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:47,872 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} #55#return; {9597#(and (<= 2 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 2))} is VALID [2020-07-17 22:20:47,874 INFO L280 TraceCheckUtils]: 29: Hoare triple {9597#(and (<= 2 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 2))} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {9598#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2020-07-17 22:20:47,875 INFO L280 TraceCheckUtils]: 30: Hoare triple {9598#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} assume true; {9598#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2020-07-17 22:20:47,876 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {9598#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} {9435#(and (<= 3 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 3))} #59#return; {9468#(and (<= 5 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 5))} is VALID [2020-07-17 22:20:47,878 INFO L280 TraceCheckUtils]: 0: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,878 INFO L280 TraceCheckUtils]: 1: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,878 INFO L280 TraceCheckUtils]: 2: Hoare triple {9270#true} assume !(1 == ~n); {9270#true} is VALID [2020-07-17 22:20:47,879 INFO L263 TraceCheckUtils]: 3: Hoare triple {9270#true} call #t~ret0 := fibo2(~n - 1); {9270#true} is VALID [2020-07-17 22:20:47,879 INFO L280 TraceCheckUtils]: 4: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,879 INFO L280 TraceCheckUtils]: 5: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,879 INFO L280 TraceCheckUtils]: 6: Hoare triple {9270#true} assume !(1 == ~n); {9270#true} is VALID [2020-07-17 22:20:47,879 INFO L263 TraceCheckUtils]: 7: Hoare triple {9270#true} call #t~ret2 := fibo1(~n - 1); {9270#true} is VALID [2020-07-17 22:20:47,880 INFO L280 TraceCheckUtils]: 8: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,880 INFO L280 TraceCheckUtils]: 9: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,880 INFO L280 TraceCheckUtils]: 10: Hoare triple {9270#true} assume !(1 == ~n); {9270#true} is VALID [2020-07-17 22:20:47,880 INFO L263 TraceCheckUtils]: 11: Hoare triple {9270#true} call #t~ret0 := fibo2(~n - 1); {9270#true} is VALID [2020-07-17 22:20:47,880 INFO L280 TraceCheckUtils]: 12: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,880 INFO L280 TraceCheckUtils]: 13: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,881 INFO L280 TraceCheckUtils]: 14: Hoare triple {9270#true} assume !(1 == ~n); {9270#true} is VALID [2020-07-17 22:20:47,881 INFO L263 TraceCheckUtils]: 15: Hoare triple {9270#true} call #t~ret2 := fibo1(~n - 1); {9270#true} is VALID [2020-07-17 22:20:47,881 INFO L280 TraceCheckUtils]: 16: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,881 INFO L280 TraceCheckUtils]: 17: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,882 INFO L280 TraceCheckUtils]: 18: Hoare triple {9270#true} assume 1 == ~n;#res := 1; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:47,883 INFO L280 TraceCheckUtils]: 19: Hoare triple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:47,884 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {9270#true} #53#return; {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-17 22:20:47,885 INFO L280 TraceCheckUtils]: 21: Hoare triple {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-17 22:20:47,885 INFO L263 TraceCheckUtils]: 22: Hoare triple {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} call #t~ret3 := fibo1(~n - 2); {9270#true} is VALID [2020-07-17 22:20:47,885 INFO L280 TraceCheckUtils]: 23: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,886 INFO L280 TraceCheckUtils]: 24: Hoare triple {9270#true} assume ~n < 1;#res := 0; {9562#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} is VALID [2020-07-17 22:20:47,886 INFO L280 TraceCheckUtils]: 25: Hoare triple {9562#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} assume true; {9562#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} is VALID [2020-07-17 22:20:47,888 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {9562#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} #55#return; {9559#(and (<= 1 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 1))} is VALID [2020-07-17 22:20:47,889 INFO L280 TraceCheckUtils]: 27: Hoare triple {9559#(and (<= 1 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 1))} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,890 INFO L280 TraceCheckUtils]: 28: Hoare triple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,891 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {9270#true} #57#return; {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-17 22:20:47,892 INFO L280 TraceCheckUtils]: 30: Hoare triple {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-17 22:20:47,892 INFO L263 TraceCheckUtils]: 31: Hoare triple {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} call #t~ret1 := fibo2(~n - 2); {9270#true} is VALID [2020-07-17 22:20:47,892 INFO L280 TraceCheckUtils]: 32: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,892 INFO L280 TraceCheckUtils]: 33: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,893 INFO L280 TraceCheckUtils]: 34: Hoare triple {9270#true} assume 1 == ~n;#res := 1; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,895 INFO L280 TraceCheckUtils]: 35: Hoare triple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,897 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} #59#return; {9547#(and (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 2) (<= 2 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)))} is VALID [2020-07-17 22:20:47,898 INFO L280 TraceCheckUtils]: 37: Hoare triple {9547#(and (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 2) (<= 2 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {9548#(and (<= 2 |fibo1_#res|) (<= |fibo1_#res| 2))} is VALID [2020-07-17 22:20:47,899 INFO L280 TraceCheckUtils]: 38: Hoare triple {9548#(and (<= 2 |fibo1_#res|) (<= |fibo1_#res| 2))} assume true; {9548#(and (<= 2 |fibo1_#res|) (<= |fibo1_#res| 2))} is VALID [2020-07-17 22:20:47,900 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {9548#(and (<= 2 |fibo1_#res|) (<= |fibo1_#res| 2))} {9270#true} #53#return; {9502#(and (<= 2 |fibo2_#t~ret2|) (<= |fibo2_#t~ret2| 2))} is VALID [2020-07-17 22:20:47,901 INFO L280 TraceCheckUtils]: 40: Hoare triple {9502#(and (<= 2 |fibo2_#t~ret2|) (<= |fibo2_#t~ret2| 2))} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9502#(and (<= 2 |fibo2_#t~ret2|) (<= |fibo2_#t~ret2| 2))} is VALID [2020-07-17 22:20:47,901 INFO L263 TraceCheckUtils]: 41: Hoare triple {9502#(and (<= 2 |fibo2_#t~ret2|) (<= |fibo2_#t~ret2| 2))} call #t~ret3 := fibo1(~n - 2); {9270#true} is VALID [2020-07-17 22:20:47,901 INFO L280 TraceCheckUtils]: 42: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,902 INFO L280 TraceCheckUtils]: 43: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,902 INFO L280 TraceCheckUtils]: 44: Hoare triple {9270#true} assume !(1 == ~n); {9270#true} is VALID [2020-07-17 22:20:47,902 INFO L263 TraceCheckUtils]: 45: Hoare triple {9270#true} call #t~ret0 := fibo2(~n - 1); {9270#true} is VALID [2020-07-17 22:20:47,902 INFO L280 TraceCheckUtils]: 46: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,902 INFO L280 TraceCheckUtils]: 47: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,903 INFO L280 TraceCheckUtils]: 48: Hoare triple {9270#true} assume 1 == ~n;#res := 1; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,904 INFO L280 TraceCheckUtils]: 49: Hoare triple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,905 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {9270#true} #57#return; {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-17 22:20:47,906 INFO L280 TraceCheckUtils]: 51: Hoare triple {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-17 22:20:47,906 INFO L263 TraceCheckUtils]: 52: Hoare triple {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} call #t~ret1 := fibo2(~n - 2); {9270#true} is VALID [2020-07-17 22:20:47,906 INFO L280 TraceCheckUtils]: 53: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,907 INFO L280 TraceCheckUtils]: 54: Hoare triple {9270#true} assume ~n < 1;#res := 0; {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-17 22:20:47,908 INFO L280 TraceCheckUtils]: 55: Hoare triple {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} assume true; {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-17 22:20:47,910 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} #59#return; {9572#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} is VALID [2020-07-17 22:20:47,911 INFO L280 TraceCheckUtils]: 57: Hoare triple {9572#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:47,912 INFO L280 TraceCheckUtils]: 58: Hoare triple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:47,914 INFO L275 TraceCheckUtils]: 59: Hoare quadruple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {9502#(and (<= 2 |fibo2_#t~ret2|) (<= |fibo2_#t~ret2| 2))} #55#return; {9521#(and (<= 3 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 3))} is VALID [2020-07-17 22:20:47,915 INFO L280 TraceCheckUtils]: 60: Hoare triple {9521#(and (<= 3 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 3))} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {9522#(and (<= 3 |fibo2_#res|) (<= |fibo2_#res| 3))} is VALID [2020-07-17 22:20:47,916 INFO L280 TraceCheckUtils]: 61: Hoare triple {9522#(and (<= 3 |fibo2_#res|) (<= |fibo2_#res| 3))} assume true; {9522#(and (<= 3 |fibo2_#res|) (<= |fibo2_#res| 3))} is VALID [2020-07-17 22:20:47,917 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {9522#(and (<= 3 |fibo2_#res|) (<= |fibo2_#res| 3))} {9270#true} #57#return; {9435#(and (<= 3 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 3))} is VALID [2020-07-17 22:20:47,918 INFO L280 TraceCheckUtils]: 63: Hoare triple {9435#(and (<= 3 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 3))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {9435#(and (<= 3 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 3))} is VALID [2020-07-17 22:20:47,918 INFO L263 TraceCheckUtils]: 64: Hoare triple {9435#(and (<= 3 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 3))} call #t~ret1 := fibo2(~n - 2); {9270#true} is VALID [2020-07-17 22:20:47,918 INFO L280 TraceCheckUtils]: 65: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,918 INFO L280 TraceCheckUtils]: 66: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,919 INFO L280 TraceCheckUtils]: 67: Hoare triple {9270#true} assume !(1 == ~n); {9270#true} is VALID [2020-07-17 22:20:47,919 INFO L263 TraceCheckUtils]: 68: Hoare triple {9270#true} call #t~ret2 := fibo1(~n - 1); {9270#true} is VALID [2020-07-17 22:20:47,919 INFO L280 TraceCheckUtils]: 69: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,919 INFO L280 TraceCheckUtils]: 70: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,919 INFO L280 TraceCheckUtils]: 71: Hoare triple {9270#true} assume !(1 == ~n); {9270#true} is VALID [2020-07-17 22:20:47,920 INFO L263 TraceCheckUtils]: 72: Hoare triple {9270#true} call #t~ret0 := fibo2(~n - 1); {9270#true} is VALID [2020-07-17 22:20:47,920 INFO L280 TraceCheckUtils]: 73: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,920 INFO L280 TraceCheckUtils]: 74: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,921 INFO L280 TraceCheckUtils]: 75: Hoare triple {9270#true} assume 1 == ~n;#res := 1; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,922 INFO L280 TraceCheckUtils]: 76: Hoare triple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,923 INFO L275 TraceCheckUtils]: 77: Hoare quadruple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {9270#true} #57#return; {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-17 22:20:47,924 INFO L280 TraceCheckUtils]: 78: Hoare triple {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-17 22:20:47,924 INFO L263 TraceCheckUtils]: 79: Hoare triple {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} call #t~ret1 := fibo2(~n - 2); {9270#true} is VALID [2020-07-17 22:20:47,924 INFO L280 TraceCheckUtils]: 80: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,925 INFO L280 TraceCheckUtils]: 81: Hoare triple {9270#true} assume ~n < 1;#res := 0; {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-17 22:20:47,926 INFO L280 TraceCheckUtils]: 82: Hoare triple {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} assume true; {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-17 22:20:47,927 INFO L275 TraceCheckUtils]: 83: Hoare quadruple {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} #59#return; {9572#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} is VALID [2020-07-17 22:20:47,928 INFO L280 TraceCheckUtils]: 84: Hoare triple {9572#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:47,929 INFO L280 TraceCheckUtils]: 85: Hoare triple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:47,930 INFO L275 TraceCheckUtils]: 86: Hoare quadruple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {9270#true} #53#return; {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-17 22:20:47,930 INFO L280 TraceCheckUtils]: 87: Hoare triple {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-17 22:20:47,931 INFO L263 TraceCheckUtils]: 88: Hoare triple {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} call #t~ret3 := fibo1(~n - 2); {9270#true} is VALID [2020-07-17 22:20:47,931 INFO L280 TraceCheckUtils]: 89: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,931 INFO L280 TraceCheckUtils]: 90: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,932 INFO L280 TraceCheckUtils]: 91: Hoare triple {9270#true} assume 1 == ~n;#res := 1; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:47,932 INFO L280 TraceCheckUtils]: 92: Hoare triple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:47,934 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} #55#return; {9597#(and (<= 2 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 2))} is VALID [2020-07-17 22:20:47,935 INFO L280 TraceCheckUtils]: 94: Hoare triple {9597#(and (<= 2 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 2))} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {9598#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2020-07-17 22:20:47,935 INFO L280 TraceCheckUtils]: 95: Hoare triple {9598#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} assume true; {9598#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2020-07-17 22:20:47,937 INFO L275 TraceCheckUtils]: 96: Hoare quadruple {9598#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} {9435#(and (<= 3 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 3))} #59#return; {9468#(and (<= 5 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 5))} is VALID [2020-07-17 22:20:47,938 INFO L280 TraceCheckUtils]: 97: Hoare triple {9468#(and (<= 5 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 5))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {9469#(and (<= 5 |fibo1_#res|) (<= |fibo1_#res| 5))} is VALID [2020-07-17 22:20:47,938 INFO L280 TraceCheckUtils]: 98: Hoare triple {9469#(and (<= 5 |fibo1_#res|) (<= |fibo1_#res| 5))} assume true; {9469#(and (<= 5 |fibo1_#res|) (<= |fibo1_#res| 5))} is VALID [2020-07-17 22:20:47,939 INFO L275 TraceCheckUtils]: 99: Hoare quadruple {9469#(and (<= 5 |fibo1_#res|) (<= |fibo1_#res| 5))} {9270#true} #51#return; {9374#(and (<= 5 |main_#t~ret4|) (<= |main_#t~ret4| 5))} is VALID [2020-07-17 22:20:47,953 INFO L263 TraceCheckUtils]: 0: Hoare triple {9270#true} call ULTIMATE.init(); {9270#true} is VALID [2020-07-17 22:20:47,954 INFO L280 TraceCheckUtils]: 1: Hoare triple {9270#true} assume true; {9270#true} is VALID [2020-07-17 22:20:47,954 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {9270#true} {9270#true} #47#return; {9270#true} is VALID [2020-07-17 22:20:47,954 INFO L263 TraceCheckUtils]: 3: Hoare triple {9270#true} call #t~ret5 := main(); {9270#true} is VALID [2020-07-17 22:20:47,954 INFO L280 TraceCheckUtils]: 4: Hoare triple {9270#true} ~x~0 := 5; {9270#true} is VALID [2020-07-17 22:20:47,954 INFO L263 TraceCheckUtils]: 5: Hoare triple {9270#true} call #t~ret4 := fibo1(~x~0); {9270#true} is VALID [2020-07-17 22:20:47,955 INFO L280 TraceCheckUtils]: 6: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,955 INFO L280 TraceCheckUtils]: 7: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,955 INFO L280 TraceCheckUtils]: 8: Hoare triple {9270#true} assume !(1 == ~n); {9270#true} is VALID [2020-07-17 22:20:47,955 INFO L263 TraceCheckUtils]: 9: Hoare triple {9270#true} call #t~ret0 := fibo2(~n - 1); {9270#true} is VALID [2020-07-17 22:20:47,955 INFO L280 TraceCheckUtils]: 10: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,955 INFO L280 TraceCheckUtils]: 11: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,956 INFO L280 TraceCheckUtils]: 12: Hoare triple {9270#true} assume !(1 == ~n); {9270#true} is VALID [2020-07-17 22:20:47,956 INFO L263 TraceCheckUtils]: 13: Hoare triple {9270#true} call #t~ret2 := fibo1(~n - 1); {9270#true} is VALID [2020-07-17 22:20:47,956 INFO L280 TraceCheckUtils]: 14: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,956 INFO L280 TraceCheckUtils]: 15: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,956 INFO L280 TraceCheckUtils]: 16: Hoare triple {9270#true} assume !(1 == ~n); {9270#true} is VALID [2020-07-17 22:20:47,956 INFO L263 TraceCheckUtils]: 17: Hoare triple {9270#true} call #t~ret0 := fibo2(~n - 1); {9270#true} is VALID [2020-07-17 22:20:47,957 INFO L280 TraceCheckUtils]: 18: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,957 INFO L280 TraceCheckUtils]: 19: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,957 INFO L280 TraceCheckUtils]: 20: Hoare triple {9270#true} assume !(1 == ~n); {9270#true} is VALID [2020-07-17 22:20:47,957 INFO L263 TraceCheckUtils]: 21: Hoare triple {9270#true} call #t~ret2 := fibo1(~n - 1); {9270#true} is VALID [2020-07-17 22:20:47,957 INFO L280 TraceCheckUtils]: 22: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,957 INFO L280 TraceCheckUtils]: 23: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,958 INFO L280 TraceCheckUtils]: 24: Hoare triple {9270#true} assume 1 == ~n;#res := 1; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:47,959 INFO L280 TraceCheckUtils]: 25: Hoare triple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:47,960 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {9270#true} #53#return; {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-17 22:20:47,961 INFO L280 TraceCheckUtils]: 27: Hoare triple {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-17 22:20:47,961 INFO L263 TraceCheckUtils]: 28: Hoare triple {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} call #t~ret3 := fibo1(~n - 2); {9270#true} is VALID [2020-07-17 22:20:47,961 INFO L280 TraceCheckUtils]: 29: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,962 INFO L280 TraceCheckUtils]: 30: Hoare triple {9270#true} assume ~n < 1;#res := 0; {9562#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} is VALID [2020-07-17 22:20:47,963 INFO L280 TraceCheckUtils]: 31: Hoare triple {9562#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} assume true; {9562#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} is VALID [2020-07-17 22:20:47,964 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {9562#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} #55#return; {9559#(and (<= 1 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 1))} is VALID [2020-07-17 22:20:47,965 INFO L280 TraceCheckUtils]: 33: Hoare triple {9559#(and (<= 1 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 1))} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,966 INFO L280 TraceCheckUtils]: 34: Hoare triple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,967 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {9270#true} #57#return; {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-17 22:20:47,967 INFO L280 TraceCheckUtils]: 36: Hoare triple {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-17 22:20:47,968 INFO L263 TraceCheckUtils]: 37: Hoare triple {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} call #t~ret1 := fibo2(~n - 2); {9270#true} is VALID [2020-07-17 22:20:47,968 INFO L280 TraceCheckUtils]: 38: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,968 INFO L280 TraceCheckUtils]: 39: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,969 INFO L280 TraceCheckUtils]: 40: Hoare triple {9270#true} assume 1 == ~n;#res := 1; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,969 INFO L280 TraceCheckUtils]: 41: Hoare triple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,971 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} #59#return; {9547#(and (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 2) (<= 2 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)))} is VALID [2020-07-17 22:20:47,972 INFO L280 TraceCheckUtils]: 43: Hoare triple {9547#(and (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 2) (<= 2 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {9548#(and (<= 2 |fibo1_#res|) (<= |fibo1_#res| 2))} is VALID [2020-07-17 22:20:47,972 INFO L280 TraceCheckUtils]: 44: Hoare triple {9548#(and (<= 2 |fibo1_#res|) (<= |fibo1_#res| 2))} assume true; {9548#(and (<= 2 |fibo1_#res|) (<= |fibo1_#res| 2))} is VALID [2020-07-17 22:20:47,973 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {9548#(and (<= 2 |fibo1_#res|) (<= |fibo1_#res| 2))} {9270#true} #53#return; {9502#(and (<= 2 |fibo2_#t~ret2|) (<= |fibo2_#t~ret2| 2))} is VALID [2020-07-17 22:20:47,974 INFO L280 TraceCheckUtils]: 46: Hoare triple {9502#(and (<= 2 |fibo2_#t~ret2|) (<= |fibo2_#t~ret2| 2))} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9502#(and (<= 2 |fibo2_#t~ret2|) (<= |fibo2_#t~ret2| 2))} is VALID [2020-07-17 22:20:47,974 INFO L263 TraceCheckUtils]: 47: Hoare triple {9502#(and (<= 2 |fibo2_#t~ret2|) (<= |fibo2_#t~ret2| 2))} call #t~ret3 := fibo1(~n - 2); {9270#true} is VALID [2020-07-17 22:20:47,974 INFO L280 TraceCheckUtils]: 48: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,974 INFO L280 TraceCheckUtils]: 49: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,975 INFO L280 TraceCheckUtils]: 50: Hoare triple {9270#true} assume !(1 == ~n); {9270#true} is VALID [2020-07-17 22:20:47,975 INFO L263 TraceCheckUtils]: 51: Hoare triple {9270#true} call #t~ret0 := fibo2(~n - 1); {9270#true} is VALID [2020-07-17 22:20:47,975 INFO L280 TraceCheckUtils]: 52: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,975 INFO L280 TraceCheckUtils]: 53: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,976 INFO L280 TraceCheckUtils]: 54: Hoare triple {9270#true} assume 1 == ~n;#res := 1; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,977 INFO L280 TraceCheckUtils]: 55: Hoare triple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,978 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {9270#true} #57#return; {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-17 22:20:47,979 INFO L280 TraceCheckUtils]: 57: Hoare triple {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-17 22:20:47,979 INFO L263 TraceCheckUtils]: 58: Hoare triple {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} call #t~ret1 := fibo2(~n - 2); {9270#true} is VALID [2020-07-17 22:20:47,979 INFO L280 TraceCheckUtils]: 59: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,980 INFO L280 TraceCheckUtils]: 60: Hoare triple {9270#true} assume ~n < 1;#res := 0; {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-17 22:20:47,981 INFO L280 TraceCheckUtils]: 61: Hoare triple {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} assume true; {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-17 22:20:47,982 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} #59#return; {9572#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} is VALID [2020-07-17 22:20:47,983 INFO L280 TraceCheckUtils]: 63: Hoare triple {9572#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:47,984 INFO L280 TraceCheckUtils]: 64: Hoare triple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:47,986 INFO L275 TraceCheckUtils]: 65: Hoare quadruple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {9502#(and (<= 2 |fibo2_#t~ret2|) (<= |fibo2_#t~ret2| 2))} #55#return; {9521#(and (<= 3 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 3))} is VALID [2020-07-17 22:20:47,987 INFO L280 TraceCheckUtils]: 66: Hoare triple {9521#(and (<= 3 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 3))} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {9522#(and (<= 3 |fibo2_#res|) (<= |fibo2_#res| 3))} is VALID [2020-07-17 22:20:47,988 INFO L280 TraceCheckUtils]: 67: Hoare triple {9522#(and (<= 3 |fibo2_#res|) (<= |fibo2_#res| 3))} assume true; {9522#(and (<= 3 |fibo2_#res|) (<= |fibo2_#res| 3))} is VALID [2020-07-17 22:20:47,989 INFO L275 TraceCheckUtils]: 68: Hoare quadruple {9522#(and (<= 3 |fibo2_#res|) (<= |fibo2_#res| 3))} {9270#true} #57#return; {9435#(and (<= 3 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 3))} is VALID [2020-07-17 22:20:47,990 INFO L280 TraceCheckUtils]: 69: Hoare triple {9435#(and (<= 3 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 3))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {9435#(and (<= 3 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 3))} is VALID [2020-07-17 22:20:47,991 INFO L263 TraceCheckUtils]: 70: Hoare triple {9435#(and (<= 3 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 3))} call #t~ret1 := fibo2(~n - 2); {9270#true} is VALID [2020-07-17 22:20:47,991 INFO L280 TraceCheckUtils]: 71: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,991 INFO L280 TraceCheckUtils]: 72: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,991 INFO L280 TraceCheckUtils]: 73: Hoare triple {9270#true} assume !(1 == ~n); {9270#true} is VALID [2020-07-17 22:20:47,991 INFO L263 TraceCheckUtils]: 74: Hoare triple {9270#true} call #t~ret2 := fibo1(~n - 1); {9270#true} is VALID [2020-07-17 22:20:47,992 INFO L280 TraceCheckUtils]: 75: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,992 INFO L280 TraceCheckUtils]: 76: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,992 INFO L280 TraceCheckUtils]: 77: Hoare triple {9270#true} assume !(1 == ~n); {9270#true} is VALID [2020-07-17 22:20:47,992 INFO L263 TraceCheckUtils]: 78: Hoare triple {9270#true} call #t~ret0 := fibo2(~n - 1); {9270#true} is VALID [2020-07-17 22:20:47,992 INFO L280 TraceCheckUtils]: 79: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,993 INFO L280 TraceCheckUtils]: 80: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:47,993 INFO L280 TraceCheckUtils]: 81: Hoare triple {9270#true} assume 1 == ~n;#res := 1; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,994 INFO L280 TraceCheckUtils]: 82: Hoare triple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:47,995 INFO L275 TraceCheckUtils]: 83: Hoare quadruple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {9270#true} #57#return; {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-17 22:20:47,996 INFO L280 TraceCheckUtils]: 84: Hoare triple {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-17 22:20:47,996 INFO L263 TraceCheckUtils]: 85: Hoare triple {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} call #t~ret1 := fibo2(~n - 2); {9270#true} is VALID [2020-07-17 22:20:47,996 INFO L280 TraceCheckUtils]: 86: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:47,997 INFO L280 TraceCheckUtils]: 87: Hoare triple {9270#true} assume ~n < 1;#res := 0; {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-17 22:20:47,998 INFO L280 TraceCheckUtils]: 88: Hoare triple {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} assume true; {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-17 22:20:47,999 INFO L275 TraceCheckUtils]: 89: Hoare quadruple {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} #59#return; {9572#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} is VALID [2020-07-17 22:20:48,000 INFO L280 TraceCheckUtils]: 90: Hoare triple {9572#(and (<= 1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 1))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:48,001 INFO L280 TraceCheckUtils]: 91: Hoare triple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:48,002 INFO L275 TraceCheckUtils]: 92: Hoare quadruple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {9270#true} #53#return; {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-17 22:20:48,002 INFO L280 TraceCheckUtils]: 93: Hoare triple {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-17 22:20:48,003 INFO L263 TraceCheckUtils]: 94: Hoare triple {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} call #t~ret3 := fibo1(~n - 2); {9270#true} is VALID [2020-07-17 22:20:48,003 INFO L280 TraceCheckUtils]: 95: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:48,003 INFO L280 TraceCheckUtils]: 96: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:48,003 INFO L280 TraceCheckUtils]: 97: Hoare triple {9270#true} assume 1 == ~n;#res := 1; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:48,004 INFO L280 TraceCheckUtils]: 98: Hoare triple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:48,006 INFO L275 TraceCheckUtils]: 99: Hoare quadruple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} #55#return; {9597#(and (<= 2 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 2))} is VALID [2020-07-17 22:20:48,007 INFO L280 TraceCheckUtils]: 100: Hoare triple {9597#(and (<= 2 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|)) (<= (+ |fibo2_#t~ret3| |fibo2_#t~ret2|) 2))} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {9598#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2020-07-17 22:20:48,007 INFO L280 TraceCheckUtils]: 101: Hoare triple {9598#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} assume true; {9598#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2020-07-17 22:20:48,009 INFO L275 TraceCheckUtils]: 102: Hoare quadruple {9598#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} {9435#(and (<= 3 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 3))} #59#return; {9468#(and (<= 5 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 5))} is VALID [2020-07-17 22:20:48,009 INFO L280 TraceCheckUtils]: 103: Hoare triple {9468#(and (<= 5 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (<= (+ |fibo1_#t~ret1| |fibo1_#t~ret0|) 5))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {9469#(and (<= 5 |fibo1_#res|) (<= |fibo1_#res| 5))} is VALID [2020-07-17 22:20:48,010 INFO L280 TraceCheckUtils]: 104: Hoare triple {9469#(and (<= 5 |fibo1_#res|) (<= |fibo1_#res| 5))} assume true; {9469#(and (<= 5 |fibo1_#res|) (<= |fibo1_#res| 5))} is VALID [2020-07-17 22:20:48,011 INFO L275 TraceCheckUtils]: 105: Hoare quadruple {9469#(and (<= 5 |fibo1_#res|) (<= |fibo1_#res| 5))} {9270#true} #51#return; {9374#(and (<= 5 |main_#t~ret4|) (<= |main_#t~ret4| 5))} is VALID [2020-07-17 22:20:48,012 INFO L280 TraceCheckUtils]: 106: Hoare triple {9374#(and (<= 5 |main_#t~ret4|) (<= |main_#t~ret4| 5))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {9375#(and (< 4 main_~result~0) (<= main_~result~0 5))} is VALID [2020-07-17 22:20:48,012 INFO L280 TraceCheckUtils]: 107: Hoare triple {9375#(and (< 4 main_~result~0) (<= main_~result~0 5))} assume 5 != ~result~0; {9271#false} is VALID [2020-07-17 22:20:48,013 INFO L280 TraceCheckUtils]: 108: Hoare triple {9271#false} assume !false; {9271#false} is VALID [2020-07-17 22:20:48,026 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2020-07-17 22:20:48,027 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101895087] [2020-07-17 22:20:48,027 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449497320] [2020-07-17 22:20:48,027 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:20:48,078 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2020-07-17 22:20:48,078 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-17 22:20:48,080 INFO L264 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 63 conjunts are in the unsatisfiable core [2020-07-17 22:20:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:48,097 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 22:20:48,914 INFO L263 TraceCheckUtils]: 0: Hoare triple {9270#true} call ULTIMATE.init(); {9270#true} is VALID [2020-07-17 22:20:48,914 INFO L280 TraceCheckUtils]: 1: Hoare triple {9270#true} assume true; {9270#true} is VALID [2020-07-17 22:20:48,915 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {9270#true} {9270#true} #47#return; {9270#true} is VALID [2020-07-17 22:20:48,915 INFO L263 TraceCheckUtils]: 3: Hoare triple {9270#true} call #t~ret5 := main(); {9270#true} is VALID [2020-07-17 22:20:48,915 INFO L280 TraceCheckUtils]: 4: Hoare triple {9270#true} ~x~0 := 5; {9270#true} is VALID [2020-07-17 22:20:48,915 INFO L263 TraceCheckUtils]: 5: Hoare triple {9270#true} call #t~ret4 := fibo1(~x~0); {9270#true} is VALID [2020-07-17 22:20:48,915 INFO L280 TraceCheckUtils]: 6: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:48,915 INFO L280 TraceCheckUtils]: 7: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:48,915 INFO L280 TraceCheckUtils]: 8: Hoare triple {9270#true} assume !(1 == ~n); {9270#true} is VALID [2020-07-17 22:20:48,915 INFO L263 TraceCheckUtils]: 9: Hoare triple {9270#true} call #t~ret0 := fibo2(~n - 1); {9270#true} is VALID [2020-07-17 22:20:48,916 INFO L280 TraceCheckUtils]: 10: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:48,916 INFO L280 TraceCheckUtils]: 11: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:48,916 INFO L280 TraceCheckUtils]: 12: Hoare triple {9270#true} assume !(1 == ~n); {9270#true} is VALID [2020-07-17 22:20:48,916 INFO L263 TraceCheckUtils]: 13: Hoare triple {9270#true} call #t~ret2 := fibo1(~n - 1); {9270#true} is VALID [2020-07-17 22:20:48,916 INFO L280 TraceCheckUtils]: 14: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:48,916 INFO L280 TraceCheckUtils]: 15: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:48,916 INFO L280 TraceCheckUtils]: 16: Hoare triple {9270#true} assume !(1 == ~n); {9270#true} is VALID [2020-07-17 22:20:48,916 INFO L263 TraceCheckUtils]: 17: Hoare triple {9270#true} call #t~ret0 := fibo2(~n - 1); {9270#true} is VALID [2020-07-17 22:20:48,917 INFO L280 TraceCheckUtils]: 18: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:48,917 INFO L280 TraceCheckUtils]: 19: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:48,917 INFO L280 TraceCheckUtils]: 20: Hoare triple {9270#true} assume !(1 == ~n); {9270#true} is VALID [2020-07-17 22:20:48,917 INFO L263 TraceCheckUtils]: 21: Hoare triple {9270#true} call #t~ret2 := fibo1(~n - 1); {9270#true} is VALID [2020-07-17 22:20:48,917 INFO L280 TraceCheckUtils]: 22: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:48,917 INFO L280 TraceCheckUtils]: 23: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:48,918 INFO L280 TraceCheckUtils]: 24: Hoare triple {9270#true} assume 1 == ~n;#res := 1; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:48,918 INFO L280 TraceCheckUtils]: 25: Hoare triple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:48,919 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {9270#true} #53#return; {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-17 22:20:48,920 INFO L280 TraceCheckUtils]: 27: Hoare triple {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-17 22:20:48,920 INFO L263 TraceCheckUtils]: 28: Hoare triple {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} call #t~ret3 := fibo1(~n - 2); {9270#true} is VALID [2020-07-17 22:20:48,920 INFO L280 TraceCheckUtils]: 29: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:48,920 INFO L280 TraceCheckUtils]: 30: Hoare triple {9270#true} assume ~n < 1;#res := 0; {9562#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} is VALID [2020-07-17 22:20:48,921 INFO L280 TraceCheckUtils]: 31: Hoare triple {9562#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} assume true; {9562#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} is VALID [2020-07-17 22:20:48,922 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {9562#(and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|))} {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} #55#return; {9707#(and (<= 0 |fibo2_#t~ret3|) (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|) (<= |fibo2_#t~ret3| 0))} is VALID [2020-07-17 22:20:48,923 INFO L280 TraceCheckUtils]: 33: Hoare triple {9707#(and (<= 0 |fibo2_#t~ret3|) (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|) (<= |fibo2_#t~ret3| 0))} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:48,923 INFO L280 TraceCheckUtils]: 34: Hoare triple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:48,924 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {9270#true} #57#return; {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-17 22:20:48,925 INFO L280 TraceCheckUtils]: 36: Hoare triple {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-17 22:20:48,925 INFO L263 TraceCheckUtils]: 37: Hoare triple {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} call #t~ret1 := fibo2(~n - 2); {9270#true} is VALID [2020-07-17 22:20:48,925 INFO L280 TraceCheckUtils]: 38: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:48,925 INFO L280 TraceCheckUtils]: 39: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:48,925 INFO L280 TraceCheckUtils]: 40: Hoare triple {9270#true} assume 1 == ~n;#res := 1; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:48,926 INFO L280 TraceCheckUtils]: 41: Hoare triple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:48,927 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} #59#return; {9738#(and (<= 1 |fibo1_#t~ret0|) (<= 1 |fibo1_#t~ret1|) (<= |fibo1_#t~ret1| 1) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-17 22:20:48,928 INFO L280 TraceCheckUtils]: 43: Hoare triple {9738#(and (<= 1 |fibo1_#t~ret0|) (<= 1 |fibo1_#t~ret1|) (<= |fibo1_#t~ret1| 1) (<= |fibo1_#t~ret0| 1))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {9548#(and (<= 2 |fibo1_#res|) (<= |fibo1_#res| 2))} is VALID [2020-07-17 22:20:48,928 INFO L280 TraceCheckUtils]: 44: Hoare triple {9548#(and (<= 2 |fibo1_#res|) (<= |fibo1_#res| 2))} assume true; {9548#(and (<= 2 |fibo1_#res|) (<= |fibo1_#res| 2))} is VALID [2020-07-17 22:20:48,929 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {9548#(and (<= 2 |fibo1_#res|) (<= |fibo1_#res| 2))} {9270#true} #53#return; {9502#(and (<= 2 |fibo2_#t~ret2|) (<= |fibo2_#t~ret2| 2))} is VALID [2020-07-17 22:20:48,930 INFO L280 TraceCheckUtils]: 46: Hoare triple {9502#(and (<= 2 |fibo2_#t~ret2|) (<= |fibo2_#t~ret2| 2))} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9502#(and (<= 2 |fibo2_#t~ret2|) (<= |fibo2_#t~ret2| 2))} is VALID [2020-07-17 22:20:48,930 INFO L263 TraceCheckUtils]: 47: Hoare triple {9502#(and (<= 2 |fibo2_#t~ret2|) (<= |fibo2_#t~ret2| 2))} call #t~ret3 := fibo1(~n - 2); {9270#true} is VALID [2020-07-17 22:20:48,930 INFO L280 TraceCheckUtils]: 48: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:48,930 INFO L280 TraceCheckUtils]: 49: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:48,930 INFO L280 TraceCheckUtils]: 50: Hoare triple {9270#true} assume !(1 == ~n); {9270#true} is VALID [2020-07-17 22:20:48,930 INFO L263 TraceCheckUtils]: 51: Hoare triple {9270#true} call #t~ret0 := fibo2(~n - 1); {9270#true} is VALID [2020-07-17 22:20:48,930 INFO L280 TraceCheckUtils]: 52: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:48,930 INFO L280 TraceCheckUtils]: 53: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:48,931 INFO L280 TraceCheckUtils]: 54: Hoare triple {9270#true} assume 1 == ~n;#res := 1; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:48,931 INFO L280 TraceCheckUtils]: 55: Hoare triple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:48,932 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {9270#true} #57#return; {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-17 22:20:48,933 INFO L280 TraceCheckUtils]: 57: Hoare triple {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-17 22:20:48,933 INFO L263 TraceCheckUtils]: 58: Hoare triple {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} call #t~ret1 := fibo2(~n - 2); {9270#true} is VALID [2020-07-17 22:20:48,933 INFO L280 TraceCheckUtils]: 59: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:48,933 INFO L280 TraceCheckUtils]: 60: Hoare triple {9270#true} assume ~n < 1;#res := 0; {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-17 22:20:48,934 INFO L280 TraceCheckUtils]: 61: Hoare triple {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} assume true; {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-17 22:20:48,935 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} #59#return; {9799#(and (<= 1 |fibo1_#t~ret0|) (<= 0 |fibo1_#t~ret1|) (<= |fibo1_#t~ret1| 0) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-17 22:20:48,935 INFO L280 TraceCheckUtils]: 63: Hoare triple {9799#(and (<= 1 |fibo1_#t~ret0|) (<= 0 |fibo1_#t~ret1|) (<= |fibo1_#t~ret1| 0) (<= |fibo1_#t~ret0| 1))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:48,936 INFO L280 TraceCheckUtils]: 64: Hoare triple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:48,937 INFO L275 TraceCheckUtils]: 65: Hoare quadruple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {9502#(and (<= 2 |fibo2_#t~ret2|) (<= |fibo2_#t~ret2| 2))} #55#return; {9809#(and (<= 2 |fibo2_#t~ret2|) (<= |fibo2_#t~ret3| 1) (<= |fibo2_#t~ret2| 2) (<= 1 |fibo2_#t~ret3|))} is VALID [2020-07-17 22:20:48,938 INFO L280 TraceCheckUtils]: 66: Hoare triple {9809#(and (<= 2 |fibo2_#t~ret2|) (<= |fibo2_#t~ret3| 1) (<= |fibo2_#t~ret2| 2) (<= 1 |fibo2_#t~ret3|))} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {9522#(and (<= 3 |fibo2_#res|) (<= |fibo2_#res| 3))} is VALID [2020-07-17 22:20:48,939 INFO L280 TraceCheckUtils]: 67: Hoare triple {9522#(and (<= 3 |fibo2_#res|) (<= |fibo2_#res| 3))} assume true; {9522#(and (<= 3 |fibo2_#res|) (<= |fibo2_#res| 3))} is VALID [2020-07-17 22:20:48,940 INFO L275 TraceCheckUtils]: 68: Hoare quadruple {9522#(and (<= 3 |fibo2_#res|) (<= |fibo2_#res| 3))} {9270#true} #57#return; {9435#(and (<= 3 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 3))} is VALID [2020-07-17 22:20:48,941 INFO L280 TraceCheckUtils]: 69: Hoare triple {9435#(and (<= 3 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 3))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {9435#(and (<= 3 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 3))} is VALID [2020-07-17 22:20:48,941 INFO L263 TraceCheckUtils]: 70: Hoare triple {9435#(and (<= 3 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 3))} call #t~ret1 := fibo2(~n - 2); {9270#true} is VALID [2020-07-17 22:20:48,941 INFO L280 TraceCheckUtils]: 71: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:48,941 INFO L280 TraceCheckUtils]: 72: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:48,941 INFO L280 TraceCheckUtils]: 73: Hoare triple {9270#true} assume !(1 == ~n); {9270#true} is VALID [2020-07-17 22:20:48,941 INFO L263 TraceCheckUtils]: 74: Hoare triple {9270#true} call #t~ret2 := fibo1(~n - 1); {9270#true} is VALID [2020-07-17 22:20:48,941 INFO L280 TraceCheckUtils]: 75: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:48,941 INFO L280 TraceCheckUtils]: 76: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:48,942 INFO L280 TraceCheckUtils]: 77: Hoare triple {9270#true} assume !(1 == ~n); {9270#true} is VALID [2020-07-17 22:20:48,942 INFO L263 TraceCheckUtils]: 78: Hoare triple {9270#true} call #t~ret0 := fibo2(~n - 1); {9270#true} is VALID [2020-07-17 22:20:48,942 INFO L280 TraceCheckUtils]: 79: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:48,942 INFO L280 TraceCheckUtils]: 80: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:48,942 INFO L280 TraceCheckUtils]: 81: Hoare triple {9270#true} assume 1 == ~n;#res := 1; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:48,943 INFO L280 TraceCheckUtils]: 82: Hoare triple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} assume true; {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} is VALID [2020-07-17 22:20:48,944 INFO L275 TraceCheckUtils]: 83: Hoare quadruple {9560#(and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1))} {9270#true} #57#return; {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-17 22:20:48,944 INFO L280 TraceCheckUtils]: 84: Hoare triple {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-17 22:20:48,944 INFO L263 TraceCheckUtils]: 85: Hoare triple {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} call #t~ret1 := fibo2(~n - 2); {9270#true} is VALID [2020-07-17 22:20:48,944 INFO L280 TraceCheckUtils]: 86: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:48,945 INFO L280 TraceCheckUtils]: 87: Hoare triple {9270#true} assume ~n < 1;#res := 0; {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-17 22:20:48,945 INFO L280 TraceCheckUtils]: 88: Hoare triple {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} assume true; {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} is VALID [2020-07-17 22:20:48,946 INFO L275 TraceCheckUtils]: 89: Hoare quadruple {9573#(and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))} {9541#(and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))} #59#return; {9799#(and (<= 1 |fibo1_#t~ret0|) (<= 0 |fibo1_#t~ret1|) (<= |fibo1_#t~ret1| 0) (<= |fibo1_#t~ret0| 1))} is VALID [2020-07-17 22:20:48,947 INFO L280 TraceCheckUtils]: 90: Hoare triple {9799#(and (<= 1 |fibo1_#t~ret0|) (<= 0 |fibo1_#t~ret1|) (<= |fibo1_#t~ret1| 0) (<= |fibo1_#t~ret0| 1))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:48,947 INFO L280 TraceCheckUtils]: 91: Hoare triple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:48,948 INFO L275 TraceCheckUtils]: 92: Hoare quadruple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {9270#true} #53#return; {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-17 22:20:48,949 INFO L280 TraceCheckUtils]: 93: Hoare triple {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-17 22:20:48,950 INFO L263 TraceCheckUtils]: 94: Hoare triple {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} call #t~ret3 := fibo1(~n - 2); {9270#true} is VALID [2020-07-17 22:20:48,950 INFO L280 TraceCheckUtils]: 95: Hoare triple {9270#true} ~n := #in~n; {9270#true} is VALID [2020-07-17 22:20:48,950 INFO L280 TraceCheckUtils]: 96: Hoare triple {9270#true} assume !(~n < 1); {9270#true} is VALID [2020-07-17 22:20:48,950 INFO L280 TraceCheckUtils]: 97: Hoare triple {9270#true} assume 1 == ~n;#res := 1; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:48,951 INFO L280 TraceCheckUtils]: 98: Hoare triple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} assume true; {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} is VALID [2020-07-17 22:20:48,951 INFO L275 TraceCheckUtils]: 99: Hoare quadruple {9561#(and (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1))} {9554#(and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))} #55#return; {9912#(and (<= |fibo2_#t~ret2| 1) (<= |fibo2_#t~ret3| 1) (<= 1 |fibo2_#t~ret3|) (<= 1 |fibo2_#t~ret2|))} is VALID [2020-07-17 22:20:48,952 INFO L280 TraceCheckUtils]: 100: Hoare triple {9912#(and (<= |fibo2_#t~ret2| 1) (<= |fibo2_#t~ret3| 1) (<= 1 |fibo2_#t~ret3|) (<= 1 |fibo2_#t~ret2|))} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {9598#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2020-07-17 22:20:48,953 INFO L280 TraceCheckUtils]: 101: Hoare triple {9598#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} assume true; {9598#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2020-07-17 22:20:48,953 INFO L275 TraceCheckUtils]: 102: Hoare quadruple {9598#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} {9435#(and (<= 3 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 3))} #59#return; {9922#(and (<= 3 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 3) (<= 2 |fibo1_#t~ret1|) (<= |fibo1_#t~ret1| 2))} is VALID [2020-07-17 22:20:48,954 INFO L280 TraceCheckUtils]: 103: Hoare triple {9922#(and (<= 3 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 3) (<= 2 |fibo1_#t~ret1|) (<= |fibo1_#t~ret1| 2))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {9469#(and (<= 5 |fibo1_#res|) (<= |fibo1_#res| 5))} is VALID [2020-07-17 22:20:48,955 INFO L280 TraceCheckUtils]: 104: Hoare triple {9469#(and (<= 5 |fibo1_#res|) (<= |fibo1_#res| 5))} assume true; {9469#(and (<= 5 |fibo1_#res|) (<= |fibo1_#res| 5))} is VALID [2020-07-17 22:20:48,955 INFO L275 TraceCheckUtils]: 105: Hoare quadruple {9469#(and (<= 5 |fibo1_#res|) (<= |fibo1_#res| 5))} {9270#true} #51#return; {9374#(and (<= 5 |main_#t~ret4|) (<= |main_#t~ret4| 5))} is VALID [2020-07-17 22:20:48,956 INFO L280 TraceCheckUtils]: 106: Hoare triple {9374#(and (<= 5 |main_#t~ret4|) (<= |main_#t~ret4| 5))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {9375#(and (< 4 main_~result~0) (<= main_~result~0 5))} is VALID [2020-07-17 22:20:48,957 INFO L280 TraceCheckUtils]: 107: Hoare triple {9375#(and (< 4 main_~result~0) (<= main_~result~0 5))} assume 5 != ~result~0; {9271#false} is VALID [2020-07-17 22:20:48,957 INFO L280 TraceCheckUtils]: 108: Hoare triple {9271#false} assume !false; {9271#false} is VALID [2020-07-17 22:20:48,968 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2020-07-17 22:20:48,969 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 22:20:48,969 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 28 [2020-07-17 22:20:48,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094499174] [2020-07-17 22:20:48,970 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 109 [2020-07-17 22:20:48,971 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:20:48,971 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 28 states. [2020-07-17 22:20:49,071 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 66 edges. 66 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:20:49,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-07-17 22:20:49,071 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:20:49,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-07-17 22:20:49,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2020-07-17 22:20:49,072 INFO L87 Difference]: Start difference. First operand 95 states and 116 transitions. Second operand 28 states. [2020-07-17 22:20:51,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:51,404 INFO L93 Difference]: Finished difference Result 112 states and 136 transitions. [2020-07-17 22:20:51,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-17 22:20:51,404 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 109 [2020-07-17 22:20:51,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:20:51,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-07-17 22:20:51,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 73 transitions. [2020-07-17 22:20:51,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-07-17 22:20:51,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 73 transitions. [2020-07-17 22:20:51,414 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 22 states and 73 transitions. [2020-07-17 22:20:51,556 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 73 edges. 73 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:20:51,561 INFO L225 Difference]: With dead ends: 112 [2020-07-17 22:20:51,561 INFO L226 Difference]: Without dead ends: 108 [2020-07-17 22:20:51,562 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 138 SyntacticMatches, 9 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2020-07-17 22:20:51,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-07-17 22:20:51,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 105. [2020-07-17 22:20:51,683 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:20:51,683 INFO L82 GeneralOperation]: Start isEquivalent. First operand 108 states. Second operand 105 states. [2020-07-17 22:20:51,684 INFO L74 IsIncluded]: Start isIncluded. First operand 108 states. Second operand 105 states. [2020-07-17 22:20:51,684 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 105 states. [2020-07-17 22:20:51,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:51,690 INFO L93 Difference]: Finished difference Result 108 states and 131 transitions. [2020-07-17 22:20:51,690 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 131 transitions. [2020-07-17 22:20:51,691 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:51,691 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:51,692 INFO L74 IsIncluded]: Start isIncluded. First operand 105 states. Second operand 108 states. [2020-07-17 22:20:51,692 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 108 states. [2020-07-17 22:20:51,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:51,698 INFO L93 Difference]: Finished difference Result 108 states and 131 transitions. [2020-07-17 22:20:51,698 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 131 transitions. [2020-07-17 22:20:51,699 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:51,699 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:51,700 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:20:51,700 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:20:51,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-07-17 22:20:51,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 128 transitions. [2020-07-17 22:20:51,705 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 128 transitions. Word has length 109 [2020-07-17 22:20:51,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:20:51,706 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 128 transitions. [2020-07-17 22:20:51,706 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-07-17 22:20:51,706 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 128 transitions. [2020-07-17 22:20:51,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-07-17 22:20:51,711 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:20:51,711 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:20:51,925 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:20:51,926 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:20:51,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:20:51,926 INFO L82 PathProgramCache]: Analyzing trace with hash 2095197631, now seen corresponding path program 1 times [2020-07-17 22:20:51,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:20:51,927 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428129782] [2020-07-17 22:20:51,927 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:20:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:51,994 INFO L280 TraceCheckUtils]: 0: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:51,994 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {10439#true} {10439#true} #47#return; {10439#true} is VALID [2020-07-17 22:20:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,310 INFO L280 TraceCheckUtils]: 0: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,310 INFO L280 TraceCheckUtils]: 1: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,310 INFO L280 TraceCheckUtils]: 2: Hoare triple {10439#true} assume 1 == ~n;#res := 1; {10439#true} is VALID [2020-07-17 22:20:52,311 INFO L280 TraceCheckUtils]: 3: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,312 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {10439#true} {10793#(<= 2 |fibo1_#in~n|)} #57#return; {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,321 INFO L280 TraceCheckUtils]: 0: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,322 INFO L280 TraceCheckUtils]: 1: Hoare triple {10439#true} assume ~n < 1;#res := 0; {10439#true} is VALID [2020-07-17 22:20:52,322 INFO L280 TraceCheckUtils]: 2: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,323 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {10439#true} {10793#(<= 2 |fibo1_#in~n|)} #59#return; {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,324 INFO L280 TraceCheckUtils]: 0: Hoare triple {10439#true} ~n := #in~n; {10558#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,326 INFO L280 TraceCheckUtils]: 1: Hoare triple {10558#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {10792#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-17 22:20:52,327 INFO L280 TraceCheckUtils]: 2: Hoare triple {10792#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,327 INFO L263 TraceCheckUtils]: 3: Hoare triple {10793#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {10439#true} is VALID [2020-07-17 22:20:52,328 INFO L280 TraceCheckUtils]: 4: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,328 INFO L280 TraceCheckUtils]: 5: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,329 INFO L280 TraceCheckUtils]: 6: Hoare triple {10439#true} assume 1 == ~n;#res := 1; {10439#true} is VALID [2020-07-17 22:20:52,329 INFO L280 TraceCheckUtils]: 7: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,330 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {10439#true} {10793#(<= 2 |fibo1_#in~n|)} #57#return; {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,331 INFO L280 TraceCheckUtils]: 9: Hoare triple {10793#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,332 INFO L263 TraceCheckUtils]: 10: Hoare triple {10793#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {10439#true} is VALID [2020-07-17 22:20:52,332 INFO L280 TraceCheckUtils]: 11: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,332 INFO L280 TraceCheckUtils]: 12: Hoare triple {10439#true} assume ~n < 1;#res := 0; {10439#true} is VALID [2020-07-17 22:20:52,333 INFO L280 TraceCheckUtils]: 13: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,334 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {10439#true} {10793#(<= 2 |fibo1_#in~n|)} #59#return; {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,335 INFO L280 TraceCheckUtils]: 15: Hoare triple {10793#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,336 INFO L280 TraceCheckUtils]: 16: Hoare triple {10793#(<= 2 |fibo1_#in~n|)} assume true; {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,338 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {10793#(<= 2 |fibo1_#in~n|)} {10767#(= fibo2_~n |fibo2_#in~n|)} #53#return; {10786#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,343 INFO L280 TraceCheckUtils]: 0: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,344 INFO L280 TraceCheckUtils]: 1: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,344 INFO L280 TraceCheckUtils]: 2: Hoare triple {10439#true} assume 1 == ~n;#res := 1; {10439#true} is VALID [2020-07-17 22:20:52,344 INFO L280 TraceCheckUtils]: 3: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,346 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {10439#true} {10786#(<= 3 |fibo2_#in~n|)} #55#return; {10786#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,347 INFO L280 TraceCheckUtils]: 0: Hoare triple {10439#true} ~n := #in~n; {10767#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,348 INFO L280 TraceCheckUtils]: 1: Hoare triple {10767#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {10767#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,349 INFO L280 TraceCheckUtils]: 2: Hoare triple {10767#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {10767#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,349 INFO L263 TraceCheckUtils]: 3: Hoare triple {10767#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {10439#true} is VALID [2020-07-17 22:20:52,350 INFO L280 TraceCheckUtils]: 4: Hoare triple {10439#true} ~n := #in~n; {10558#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,351 INFO L280 TraceCheckUtils]: 5: Hoare triple {10558#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {10792#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-17 22:20:52,352 INFO L280 TraceCheckUtils]: 6: Hoare triple {10792#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,353 INFO L263 TraceCheckUtils]: 7: Hoare triple {10793#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {10439#true} is VALID [2020-07-17 22:20:52,353 INFO L280 TraceCheckUtils]: 8: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,354 INFO L280 TraceCheckUtils]: 9: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,354 INFO L280 TraceCheckUtils]: 10: Hoare triple {10439#true} assume 1 == ~n;#res := 1; {10439#true} is VALID [2020-07-17 22:20:52,354 INFO L280 TraceCheckUtils]: 11: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,356 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {10439#true} {10793#(<= 2 |fibo1_#in~n|)} #57#return; {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,357 INFO L280 TraceCheckUtils]: 13: Hoare triple {10793#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,357 INFO L263 TraceCheckUtils]: 14: Hoare triple {10793#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {10439#true} is VALID [2020-07-17 22:20:52,357 INFO L280 TraceCheckUtils]: 15: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,358 INFO L280 TraceCheckUtils]: 16: Hoare triple {10439#true} assume ~n < 1;#res := 0; {10439#true} is VALID [2020-07-17 22:20:52,358 INFO L280 TraceCheckUtils]: 17: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,359 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {10439#true} {10793#(<= 2 |fibo1_#in~n|)} #59#return; {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,360 INFO L280 TraceCheckUtils]: 19: Hoare triple {10793#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,361 INFO L280 TraceCheckUtils]: 20: Hoare triple {10793#(<= 2 |fibo1_#in~n|)} assume true; {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,363 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {10793#(<= 2 |fibo1_#in~n|)} {10767#(= fibo2_~n |fibo2_#in~n|)} #53#return; {10786#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,364 INFO L280 TraceCheckUtils]: 22: Hoare triple {10786#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {10786#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,364 INFO L263 TraceCheckUtils]: 23: Hoare triple {10786#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {10439#true} is VALID [2020-07-17 22:20:52,365 INFO L280 TraceCheckUtils]: 24: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,365 INFO L280 TraceCheckUtils]: 25: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,365 INFO L280 TraceCheckUtils]: 26: Hoare triple {10439#true} assume 1 == ~n;#res := 1; {10439#true} is VALID [2020-07-17 22:20:52,366 INFO L280 TraceCheckUtils]: 27: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,367 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {10439#true} {10786#(<= 3 |fibo2_#in~n|)} #55#return; {10786#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,368 INFO L280 TraceCheckUtils]: 29: Hoare triple {10786#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {10786#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,369 INFO L280 TraceCheckUtils]: 30: Hoare triple {10786#(<= 3 |fibo2_#in~n|)} assume true; {10786#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,371 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {10786#(<= 3 |fibo2_#in~n|)} {10439#true} #57#return; {10761#(<= 4 fibo1_~n)} is VALID [2020-07-17 22:20:52,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,399 INFO L280 TraceCheckUtils]: 0: Hoare triple {10439#true} ~n := #in~n; {10767#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,400 INFO L280 TraceCheckUtils]: 1: Hoare triple {10767#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {10767#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,401 INFO L280 TraceCheckUtils]: 2: Hoare triple {10767#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {10803#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:52,402 INFO L280 TraceCheckUtils]: 3: Hoare triple {10803#(<= |fibo2_#in~n| 1)} assume true; {10803#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:52,404 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {10803#(<= |fibo2_#in~n| 1)} {10761#(<= 4 fibo1_~n)} #59#return; {10440#false} is VALID [2020-07-17 22:20:52,404 INFO L280 TraceCheckUtils]: 0: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,405 INFO L280 TraceCheckUtils]: 1: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,405 INFO L280 TraceCheckUtils]: 2: Hoare triple {10439#true} assume !(1 == ~n); {10439#true} is VALID [2020-07-17 22:20:52,405 INFO L263 TraceCheckUtils]: 3: Hoare triple {10439#true} call #t~ret0 := fibo2(~n - 1); {10439#true} is VALID [2020-07-17 22:20:52,406 INFO L280 TraceCheckUtils]: 4: Hoare triple {10439#true} ~n := #in~n; {10767#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,407 INFO L280 TraceCheckUtils]: 5: Hoare triple {10767#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {10767#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,408 INFO L280 TraceCheckUtils]: 6: Hoare triple {10767#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {10767#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,408 INFO L263 TraceCheckUtils]: 7: Hoare triple {10767#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {10439#true} is VALID [2020-07-17 22:20:52,409 INFO L280 TraceCheckUtils]: 8: Hoare triple {10439#true} ~n := #in~n; {10558#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,410 INFO L280 TraceCheckUtils]: 9: Hoare triple {10558#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {10792#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-17 22:20:52,412 INFO L280 TraceCheckUtils]: 10: Hoare triple {10792#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,412 INFO L263 TraceCheckUtils]: 11: Hoare triple {10793#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {10439#true} is VALID [2020-07-17 22:20:52,412 INFO L280 TraceCheckUtils]: 12: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,413 INFO L280 TraceCheckUtils]: 13: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,413 INFO L280 TraceCheckUtils]: 14: Hoare triple {10439#true} assume 1 == ~n;#res := 1; {10439#true} is VALID [2020-07-17 22:20:52,413 INFO L280 TraceCheckUtils]: 15: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,415 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {10439#true} {10793#(<= 2 |fibo1_#in~n|)} #57#return; {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,415 INFO L280 TraceCheckUtils]: 17: Hoare triple {10793#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,416 INFO L263 TraceCheckUtils]: 18: Hoare triple {10793#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {10439#true} is VALID [2020-07-17 22:20:52,416 INFO L280 TraceCheckUtils]: 19: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,416 INFO L280 TraceCheckUtils]: 20: Hoare triple {10439#true} assume ~n < 1;#res := 0; {10439#true} is VALID [2020-07-17 22:20:52,417 INFO L280 TraceCheckUtils]: 21: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,418 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {10439#true} {10793#(<= 2 |fibo1_#in~n|)} #59#return; {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,419 INFO L280 TraceCheckUtils]: 23: Hoare triple {10793#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,420 INFO L280 TraceCheckUtils]: 24: Hoare triple {10793#(<= 2 |fibo1_#in~n|)} assume true; {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,422 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {10793#(<= 2 |fibo1_#in~n|)} {10767#(= fibo2_~n |fibo2_#in~n|)} #53#return; {10786#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,422 INFO L280 TraceCheckUtils]: 26: Hoare triple {10786#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {10786#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,423 INFO L263 TraceCheckUtils]: 27: Hoare triple {10786#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {10439#true} is VALID [2020-07-17 22:20:52,423 INFO L280 TraceCheckUtils]: 28: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,423 INFO L280 TraceCheckUtils]: 29: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,424 INFO L280 TraceCheckUtils]: 30: Hoare triple {10439#true} assume 1 == ~n;#res := 1; {10439#true} is VALID [2020-07-17 22:20:52,424 INFO L280 TraceCheckUtils]: 31: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,426 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {10439#true} {10786#(<= 3 |fibo2_#in~n|)} #55#return; {10786#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,426 INFO L280 TraceCheckUtils]: 33: Hoare triple {10786#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {10786#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,427 INFO L280 TraceCheckUtils]: 34: Hoare triple {10786#(<= 3 |fibo2_#in~n|)} assume true; {10786#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,429 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {10786#(<= 3 |fibo2_#in~n|)} {10439#true} #57#return; {10761#(<= 4 fibo1_~n)} is VALID [2020-07-17 22:20:52,430 INFO L280 TraceCheckUtils]: 36: Hoare triple {10761#(<= 4 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {10761#(<= 4 fibo1_~n)} is VALID [2020-07-17 22:20:52,430 INFO L263 TraceCheckUtils]: 37: Hoare triple {10761#(<= 4 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {10439#true} is VALID [2020-07-17 22:20:52,431 INFO L280 TraceCheckUtils]: 38: Hoare triple {10439#true} ~n := #in~n; {10767#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,432 INFO L280 TraceCheckUtils]: 39: Hoare triple {10767#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {10767#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,433 INFO L280 TraceCheckUtils]: 40: Hoare triple {10767#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {10803#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:52,434 INFO L280 TraceCheckUtils]: 41: Hoare triple {10803#(<= |fibo2_#in~n| 1)} assume true; {10803#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:52,436 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {10803#(<= |fibo2_#in~n| 1)} {10761#(<= 4 fibo1_~n)} #59#return; {10440#false} is VALID [2020-07-17 22:20:52,436 INFO L280 TraceCheckUtils]: 43: Hoare triple {10440#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {10440#false} is VALID [2020-07-17 22:20:52,436 INFO L280 TraceCheckUtils]: 44: Hoare triple {10440#false} assume true; {10440#false} is VALID [2020-07-17 22:20:52,437 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {10440#false} {10439#true} #53#return; {10440#false} is VALID [2020-07-17 22:20:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,451 INFO L280 TraceCheckUtils]: 0: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,452 INFO L280 TraceCheckUtils]: 1: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,452 INFO L280 TraceCheckUtils]: 2: Hoare triple {10439#true} assume 1 == ~n;#res := 1; {10439#true} is VALID [2020-07-17 22:20:52,453 INFO L280 TraceCheckUtils]: 3: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,453 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {10439#true} {10439#true} #57#return; {10439#true} is VALID [2020-07-17 22:20:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,457 INFO L280 TraceCheckUtils]: 0: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,458 INFO L280 TraceCheckUtils]: 1: Hoare triple {10439#true} assume ~n < 1;#res := 0; {10439#true} is VALID [2020-07-17 22:20:52,458 INFO L280 TraceCheckUtils]: 2: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,458 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {10439#true} {10439#true} #59#return; {10439#true} is VALID [2020-07-17 22:20:52,459 INFO L280 TraceCheckUtils]: 0: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,459 INFO L280 TraceCheckUtils]: 1: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,459 INFO L280 TraceCheckUtils]: 2: Hoare triple {10439#true} assume !(1 == ~n); {10439#true} is VALID [2020-07-17 22:20:52,460 INFO L263 TraceCheckUtils]: 3: Hoare triple {10439#true} call #t~ret0 := fibo2(~n - 1); {10439#true} is VALID [2020-07-17 22:20:52,460 INFO L280 TraceCheckUtils]: 4: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,461 INFO L280 TraceCheckUtils]: 5: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,461 INFO L280 TraceCheckUtils]: 6: Hoare triple {10439#true} assume 1 == ~n;#res := 1; {10439#true} is VALID [2020-07-17 22:20:52,461 INFO L280 TraceCheckUtils]: 7: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,462 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {10439#true} {10439#true} #57#return; {10439#true} is VALID [2020-07-17 22:20:52,462 INFO L280 TraceCheckUtils]: 9: Hoare triple {10439#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {10439#true} is VALID [2020-07-17 22:20:52,462 INFO L263 TraceCheckUtils]: 10: Hoare triple {10439#true} call #t~ret1 := fibo2(~n - 2); {10439#true} is VALID [2020-07-17 22:20:52,463 INFO L280 TraceCheckUtils]: 11: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,463 INFO L280 TraceCheckUtils]: 12: Hoare triple {10439#true} assume ~n < 1;#res := 0; {10439#true} is VALID [2020-07-17 22:20:52,463 INFO L280 TraceCheckUtils]: 13: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,464 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {10439#true} {10439#true} #59#return; {10439#true} is VALID [2020-07-17 22:20:52,464 INFO L280 TraceCheckUtils]: 15: Hoare triple {10439#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {10439#true} is VALID [2020-07-17 22:20:52,464 INFO L280 TraceCheckUtils]: 16: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,465 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {10439#true} {10440#false} #55#return; {10440#false} is VALID [2020-07-17 22:20:52,465 INFO L280 TraceCheckUtils]: 0: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,466 INFO L280 TraceCheckUtils]: 1: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,466 INFO L280 TraceCheckUtils]: 2: Hoare triple {10439#true} assume !(1 == ~n); {10439#true} is VALID [2020-07-17 22:20:52,466 INFO L263 TraceCheckUtils]: 3: Hoare triple {10439#true} call #t~ret2 := fibo1(~n - 1); {10439#true} is VALID [2020-07-17 22:20:52,467 INFO L280 TraceCheckUtils]: 4: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,467 INFO L280 TraceCheckUtils]: 5: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,467 INFO L280 TraceCheckUtils]: 6: Hoare triple {10439#true} assume !(1 == ~n); {10439#true} is VALID [2020-07-17 22:20:52,467 INFO L263 TraceCheckUtils]: 7: Hoare triple {10439#true} call #t~ret0 := fibo2(~n - 1); {10439#true} is VALID [2020-07-17 22:20:52,469 INFO L280 TraceCheckUtils]: 8: Hoare triple {10439#true} ~n := #in~n; {10767#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,469 INFO L280 TraceCheckUtils]: 9: Hoare triple {10767#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {10767#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,470 INFO L280 TraceCheckUtils]: 10: Hoare triple {10767#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {10767#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,470 INFO L263 TraceCheckUtils]: 11: Hoare triple {10767#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {10439#true} is VALID [2020-07-17 22:20:52,471 INFO L280 TraceCheckUtils]: 12: Hoare triple {10439#true} ~n := #in~n; {10558#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,472 INFO L280 TraceCheckUtils]: 13: Hoare triple {10558#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {10792#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-17 22:20:52,474 INFO L280 TraceCheckUtils]: 14: Hoare triple {10792#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,474 INFO L263 TraceCheckUtils]: 15: Hoare triple {10793#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {10439#true} is VALID [2020-07-17 22:20:52,474 INFO L280 TraceCheckUtils]: 16: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,475 INFO L280 TraceCheckUtils]: 17: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,475 INFO L280 TraceCheckUtils]: 18: Hoare triple {10439#true} assume 1 == ~n;#res := 1; {10439#true} is VALID [2020-07-17 22:20:52,475 INFO L280 TraceCheckUtils]: 19: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,477 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {10439#true} {10793#(<= 2 |fibo1_#in~n|)} #57#return; {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,478 INFO L280 TraceCheckUtils]: 21: Hoare triple {10793#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,478 INFO L263 TraceCheckUtils]: 22: Hoare triple {10793#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {10439#true} is VALID [2020-07-17 22:20:52,478 INFO L280 TraceCheckUtils]: 23: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,479 INFO L280 TraceCheckUtils]: 24: Hoare triple {10439#true} assume ~n < 1;#res := 0; {10439#true} is VALID [2020-07-17 22:20:52,479 INFO L280 TraceCheckUtils]: 25: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,480 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {10439#true} {10793#(<= 2 |fibo1_#in~n|)} #59#return; {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,481 INFO L280 TraceCheckUtils]: 27: Hoare triple {10793#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,482 INFO L280 TraceCheckUtils]: 28: Hoare triple {10793#(<= 2 |fibo1_#in~n|)} assume true; {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,484 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {10793#(<= 2 |fibo1_#in~n|)} {10767#(= fibo2_~n |fibo2_#in~n|)} #53#return; {10786#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,485 INFO L280 TraceCheckUtils]: 30: Hoare triple {10786#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {10786#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,485 INFO L263 TraceCheckUtils]: 31: Hoare triple {10786#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {10439#true} is VALID [2020-07-17 22:20:52,485 INFO L280 TraceCheckUtils]: 32: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,486 INFO L280 TraceCheckUtils]: 33: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,486 INFO L280 TraceCheckUtils]: 34: Hoare triple {10439#true} assume 1 == ~n;#res := 1; {10439#true} is VALID [2020-07-17 22:20:52,486 INFO L280 TraceCheckUtils]: 35: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,488 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {10439#true} {10786#(<= 3 |fibo2_#in~n|)} #55#return; {10786#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,488 INFO L280 TraceCheckUtils]: 37: Hoare triple {10786#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {10786#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,489 INFO L280 TraceCheckUtils]: 38: Hoare triple {10786#(<= 3 |fibo2_#in~n|)} assume true; {10786#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,491 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {10786#(<= 3 |fibo2_#in~n|)} {10439#true} #57#return; {10761#(<= 4 fibo1_~n)} is VALID [2020-07-17 22:20:52,492 INFO L280 TraceCheckUtils]: 40: Hoare triple {10761#(<= 4 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {10761#(<= 4 fibo1_~n)} is VALID [2020-07-17 22:20:52,492 INFO L263 TraceCheckUtils]: 41: Hoare triple {10761#(<= 4 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {10439#true} is VALID [2020-07-17 22:20:52,493 INFO L280 TraceCheckUtils]: 42: Hoare triple {10439#true} ~n := #in~n; {10767#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,494 INFO L280 TraceCheckUtils]: 43: Hoare triple {10767#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {10767#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,495 INFO L280 TraceCheckUtils]: 44: Hoare triple {10767#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {10803#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:52,496 INFO L280 TraceCheckUtils]: 45: Hoare triple {10803#(<= |fibo2_#in~n| 1)} assume true; {10803#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:52,498 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {10803#(<= |fibo2_#in~n| 1)} {10761#(<= 4 fibo1_~n)} #59#return; {10440#false} is VALID [2020-07-17 22:20:52,498 INFO L280 TraceCheckUtils]: 47: Hoare triple {10440#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {10440#false} is VALID [2020-07-17 22:20:52,499 INFO L280 TraceCheckUtils]: 48: Hoare triple {10440#false} assume true; {10440#false} is VALID [2020-07-17 22:20:52,499 INFO L275 TraceCheckUtils]: 49: Hoare quadruple {10440#false} {10439#true} #53#return; {10440#false} is VALID [2020-07-17 22:20:52,499 INFO L280 TraceCheckUtils]: 50: Hoare triple {10440#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {10440#false} is VALID [2020-07-17 22:20:52,500 INFO L263 TraceCheckUtils]: 51: Hoare triple {10440#false} call #t~ret3 := fibo1(~n - 2); {10439#true} is VALID [2020-07-17 22:20:52,500 INFO L280 TraceCheckUtils]: 52: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,500 INFO L280 TraceCheckUtils]: 53: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,501 INFO L280 TraceCheckUtils]: 54: Hoare triple {10439#true} assume !(1 == ~n); {10439#true} is VALID [2020-07-17 22:20:52,501 INFO L263 TraceCheckUtils]: 55: Hoare triple {10439#true} call #t~ret0 := fibo2(~n - 1); {10439#true} is VALID [2020-07-17 22:20:52,501 INFO L280 TraceCheckUtils]: 56: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,502 INFO L280 TraceCheckUtils]: 57: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,502 INFO L280 TraceCheckUtils]: 58: Hoare triple {10439#true} assume 1 == ~n;#res := 1; {10439#true} is VALID [2020-07-17 22:20:52,502 INFO L280 TraceCheckUtils]: 59: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,503 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {10439#true} {10439#true} #57#return; {10439#true} is VALID [2020-07-17 22:20:52,503 INFO L280 TraceCheckUtils]: 61: Hoare triple {10439#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {10439#true} is VALID [2020-07-17 22:20:52,503 INFO L263 TraceCheckUtils]: 62: Hoare triple {10439#true} call #t~ret1 := fibo2(~n - 2); {10439#true} is VALID [2020-07-17 22:20:52,504 INFO L280 TraceCheckUtils]: 63: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,504 INFO L280 TraceCheckUtils]: 64: Hoare triple {10439#true} assume ~n < 1;#res := 0; {10439#true} is VALID [2020-07-17 22:20:52,504 INFO L280 TraceCheckUtils]: 65: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,505 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {10439#true} {10439#true} #59#return; {10439#true} is VALID [2020-07-17 22:20:52,505 INFO L280 TraceCheckUtils]: 67: Hoare triple {10439#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {10439#true} is VALID [2020-07-17 22:20:52,505 INFO L280 TraceCheckUtils]: 68: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,506 INFO L275 TraceCheckUtils]: 69: Hoare quadruple {10439#true} {10440#false} #55#return; {10440#false} is VALID [2020-07-17 22:20:52,506 INFO L280 TraceCheckUtils]: 70: Hoare triple {10440#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {10440#false} is VALID [2020-07-17 22:20:52,506 INFO L280 TraceCheckUtils]: 71: Hoare triple {10440#false} assume true; {10440#false} is VALID [2020-07-17 22:20:52,506 INFO L275 TraceCheckUtils]: 72: Hoare quadruple {10440#false} {10558#(= fibo1_~n |fibo1_#in~n|)} #57#return; {10632#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,555 INFO L280 TraceCheckUtils]: 0: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,555 INFO L280 TraceCheckUtils]: 1: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,556 INFO L280 TraceCheckUtils]: 2: Hoare triple {10439#true} assume 1 == ~n;#res := 1; {10439#true} is VALID [2020-07-17 22:20:52,556 INFO L280 TraceCheckUtils]: 3: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,556 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {10439#true} {10439#true} #57#return; {10439#true} is VALID [2020-07-17 22:20:52,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,561 INFO L280 TraceCheckUtils]: 0: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,562 INFO L280 TraceCheckUtils]: 1: Hoare triple {10439#true} assume ~n < 1;#res := 0; {10439#true} is VALID [2020-07-17 22:20:52,562 INFO L280 TraceCheckUtils]: 2: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,563 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {10439#true} {10439#true} #59#return; {10439#true} is VALID [2020-07-17 22:20:52,563 INFO L280 TraceCheckUtils]: 0: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,563 INFO L280 TraceCheckUtils]: 1: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,564 INFO L280 TraceCheckUtils]: 2: Hoare triple {10439#true} assume !(1 == ~n); {10439#true} is VALID [2020-07-17 22:20:52,564 INFO L263 TraceCheckUtils]: 3: Hoare triple {10439#true} call #t~ret0 := fibo2(~n - 1); {10439#true} is VALID [2020-07-17 22:20:52,564 INFO L280 TraceCheckUtils]: 4: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,565 INFO L280 TraceCheckUtils]: 5: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,565 INFO L280 TraceCheckUtils]: 6: Hoare triple {10439#true} assume 1 == ~n;#res := 1; {10439#true} is VALID [2020-07-17 22:20:52,565 INFO L280 TraceCheckUtils]: 7: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,566 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {10439#true} {10439#true} #57#return; {10439#true} is VALID [2020-07-17 22:20:52,566 INFO L280 TraceCheckUtils]: 9: Hoare triple {10439#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {10439#true} is VALID [2020-07-17 22:20:52,566 INFO L263 TraceCheckUtils]: 10: Hoare triple {10439#true} call #t~ret1 := fibo2(~n - 2); {10439#true} is VALID [2020-07-17 22:20:52,567 INFO L280 TraceCheckUtils]: 11: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,567 INFO L280 TraceCheckUtils]: 12: Hoare triple {10439#true} assume ~n < 1;#res := 0; {10439#true} is VALID [2020-07-17 22:20:52,567 INFO L280 TraceCheckUtils]: 13: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,568 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {10439#true} {10439#true} #59#return; {10439#true} is VALID [2020-07-17 22:20:52,568 INFO L280 TraceCheckUtils]: 15: Hoare triple {10439#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {10439#true} is VALID [2020-07-17 22:20:52,568 INFO L280 TraceCheckUtils]: 16: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,569 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {10439#true} {10439#true} #53#return; {10439#true} is VALID [2020-07-17 22:20:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,573 INFO L280 TraceCheckUtils]: 0: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,574 INFO L280 TraceCheckUtils]: 1: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,574 INFO L280 TraceCheckUtils]: 2: Hoare triple {10439#true} assume 1 == ~n;#res := 1; {10439#true} is VALID [2020-07-17 22:20:52,575 INFO L280 TraceCheckUtils]: 3: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,575 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {10439#true} {10439#true} #55#return; {10439#true} is VALID [2020-07-17 22:20:52,575 INFO L280 TraceCheckUtils]: 0: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,576 INFO L280 TraceCheckUtils]: 1: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,576 INFO L280 TraceCheckUtils]: 2: Hoare triple {10439#true} assume !(1 == ~n); {10439#true} is VALID [2020-07-17 22:20:52,576 INFO L263 TraceCheckUtils]: 3: Hoare triple {10439#true} call #t~ret2 := fibo1(~n - 1); {10439#true} is VALID [2020-07-17 22:20:52,577 INFO L280 TraceCheckUtils]: 4: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,577 INFO L280 TraceCheckUtils]: 5: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,577 INFO L280 TraceCheckUtils]: 6: Hoare triple {10439#true} assume !(1 == ~n); {10439#true} is VALID [2020-07-17 22:20:52,578 INFO L263 TraceCheckUtils]: 7: Hoare triple {10439#true} call #t~ret0 := fibo2(~n - 1); {10439#true} is VALID [2020-07-17 22:20:52,578 INFO L280 TraceCheckUtils]: 8: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,578 INFO L280 TraceCheckUtils]: 9: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,579 INFO L280 TraceCheckUtils]: 10: Hoare triple {10439#true} assume 1 == ~n;#res := 1; {10439#true} is VALID [2020-07-17 22:20:52,579 INFO L280 TraceCheckUtils]: 11: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,579 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {10439#true} {10439#true} #57#return; {10439#true} is VALID [2020-07-17 22:20:52,580 INFO L280 TraceCheckUtils]: 13: Hoare triple {10439#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {10439#true} is VALID [2020-07-17 22:20:52,580 INFO L263 TraceCheckUtils]: 14: Hoare triple {10439#true} call #t~ret1 := fibo2(~n - 2); {10439#true} is VALID [2020-07-17 22:20:52,580 INFO L280 TraceCheckUtils]: 15: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,581 INFO L280 TraceCheckUtils]: 16: Hoare triple {10439#true} assume ~n < 1;#res := 0; {10439#true} is VALID [2020-07-17 22:20:52,581 INFO L280 TraceCheckUtils]: 17: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,581 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {10439#true} {10439#true} #59#return; {10439#true} is VALID [2020-07-17 22:20:52,581 INFO L280 TraceCheckUtils]: 19: Hoare triple {10439#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {10439#true} is VALID [2020-07-17 22:20:52,582 INFO L280 TraceCheckUtils]: 20: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,582 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {10439#true} {10439#true} #53#return; {10439#true} is VALID [2020-07-17 22:20:52,582 INFO L280 TraceCheckUtils]: 22: Hoare triple {10439#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {10439#true} is VALID [2020-07-17 22:20:52,583 INFO L263 TraceCheckUtils]: 23: Hoare triple {10439#true} call #t~ret3 := fibo1(~n - 2); {10439#true} is VALID [2020-07-17 22:20:52,583 INFO L280 TraceCheckUtils]: 24: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,583 INFO L280 TraceCheckUtils]: 25: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,584 INFO L280 TraceCheckUtils]: 26: Hoare triple {10439#true} assume 1 == ~n;#res := 1; {10439#true} is VALID [2020-07-17 22:20:52,584 INFO L280 TraceCheckUtils]: 27: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,584 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {10439#true} {10439#true} #55#return; {10439#true} is VALID [2020-07-17 22:20:52,585 INFO L280 TraceCheckUtils]: 29: Hoare triple {10439#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {10439#true} is VALID [2020-07-17 22:20:52,585 INFO L280 TraceCheckUtils]: 30: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,586 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {10439#true} {10632#(<= 6 |fibo1_#in~n|)} #59#return; {10632#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,589 INFO L280 TraceCheckUtils]: 0: Hoare triple {10439#true} ~n := #in~n; {10558#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,590 INFO L280 TraceCheckUtils]: 1: Hoare triple {10558#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {10558#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,590 INFO L280 TraceCheckUtils]: 2: Hoare triple {10558#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {10558#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,591 INFO L263 TraceCheckUtils]: 3: Hoare triple {10558#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {10439#true} is VALID [2020-07-17 22:20:52,591 INFO L280 TraceCheckUtils]: 4: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,591 INFO L280 TraceCheckUtils]: 5: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,592 INFO L280 TraceCheckUtils]: 6: Hoare triple {10439#true} assume !(1 == ~n); {10439#true} is VALID [2020-07-17 22:20:52,592 INFO L263 TraceCheckUtils]: 7: Hoare triple {10439#true} call #t~ret2 := fibo1(~n - 1); {10439#true} is VALID [2020-07-17 22:20:52,592 INFO L280 TraceCheckUtils]: 8: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,593 INFO L280 TraceCheckUtils]: 9: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,593 INFO L280 TraceCheckUtils]: 10: Hoare triple {10439#true} assume !(1 == ~n); {10439#true} is VALID [2020-07-17 22:20:52,593 INFO L263 TraceCheckUtils]: 11: Hoare triple {10439#true} call #t~ret0 := fibo2(~n - 1); {10439#true} is VALID [2020-07-17 22:20:52,594 INFO L280 TraceCheckUtils]: 12: Hoare triple {10439#true} ~n := #in~n; {10767#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,595 INFO L280 TraceCheckUtils]: 13: Hoare triple {10767#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {10767#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,596 INFO L280 TraceCheckUtils]: 14: Hoare triple {10767#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {10767#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,596 INFO L263 TraceCheckUtils]: 15: Hoare triple {10767#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {10439#true} is VALID [2020-07-17 22:20:52,597 INFO L280 TraceCheckUtils]: 16: Hoare triple {10439#true} ~n := #in~n; {10558#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,599 INFO L280 TraceCheckUtils]: 17: Hoare triple {10558#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {10792#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-17 22:20:52,600 INFO L280 TraceCheckUtils]: 18: Hoare triple {10792#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,601 INFO L263 TraceCheckUtils]: 19: Hoare triple {10793#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {10439#true} is VALID [2020-07-17 22:20:52,601 INFO L280 TraceCheckUtils]: 20: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,601 INFO L280 TraceCheckUtils]: 21: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,602 INFO L280 TraceCheckUtils]: 22: Hoare triple {10439#true} assume 1 == ~n;#res := 1; {10439#true} is VALID [2020-07-17 22:20:52,602 INFO L280 TraceCheckUtils]: 23: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,604 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {10439#true} {10793#(<= 2 |fibo1_#in~n|)} #57#return; {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,605 INFO L280 TraceCheckUtils]: 25: Hoare triple {10793#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,605 INFO L263 TraceCheckUtils]: 26: Hoare triple {10793#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {10439#true} is VALID [2020-07-17 22:20:52,605 INFO L280 TraceCheckUtils]: 27: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,606 INFO L280 TraceCheckUtils]: 28: Hoare triple {10439#true} assume ~n < 1;#res := 0; {10439#true} is VALID [2020-07-17 22:20:52,606 INFO L280 TraceCheckUtils]: 29: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,607 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {10439#true} {10793#(<= 2 |fibo1_#in~n|)} #59#return; {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,608 INFO L280 TraceCheckUtils]: 31: Hoare triple {10793#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,609 INFO L280 TraceCheckUtils]: 32: Hoare triple {10793#(<= 2 |fibo1_#in~n|)} assume true; {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,611 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {10793#(<= 2 |fibo1_#in~n|)} {10767#(= fibo2_~n |fibo2_#in~n|)} #53#return; {10786#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,612 INFO L280 TraceCheckUtils]: 34: Hoare triple {10786#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {10786#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,612 INFO L263 TraceCheckUtils]: 35: Hoare triple {10786#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {10439#true} is VALID [2020-07-17 22:20:52,612 INFO L280 TraceCheckUtils]: 36: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,613 INFO L280 TraceCheckUtils]: 37: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,613 INFO L280 TraceCheckUtils]: 38: Hoare triple {10439#true} assume 1 == ~n;#res := 1; {10439#true} is VALID [2020-07-17 22:20:52,613 INFO L280 TraceCheckUtils]: 39: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,615 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {10439#true} {10786#(<= 3 |fibo2_#in~n|)} #55#return; {10786#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,616 INFO L280 TraceCheckUtils]: 41: Hoare triple {10786#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {10786#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,616 INFO L280 TraceCheckUtils]: 42: Hoare triple {10786#(<= 3 |fibo2_#in~n|)} assume true; {10786#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,618 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {10786#(<= 3 |fibo2_#in~n|)} {10439#true} #57#return; {10761#(<= 4 fibo1_~n)} is VALID [2020-07-17 22:20:52,619 INFO L280 TraceCheckUtils]: 44: Hoare triple {10761#(<= 4 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {10761#(<= 4 fibo1_~n)} is VALID [2020-07-17 22:20:52,620 INFO L263 TraceCheckUtils]: 45: Hoare triple {10761#(<= 4 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {10439#true} is VALID [2020-07-17 22:20:52,620 INFO L280 TraceCheckUtils]: 46: Hoare triple {10439#true} ~n := #in~n; {10767#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,621 INFO L280 TraceCheckUtils]: 47: Hoare triple {10767#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {10767#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,622 INFO L280 TraceCheckUtils]: 48: Hoare triple {10767#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {10803#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:52,623 INFO L280 TraceCheckUtils]: 49: Hoare triple {10803#(<= |fibo2_#in~n| 1)} assume true; {10803#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:52,625 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {10803#(<= |fibo2_#in~n| 1)} {10761#(<= 4 fibo1_~n)} #59#return; {10440#false} is VALID [2020-07-17 22:20:52,626 INFO L280 TraceCheckUtils]: 51: Hoare triple {10440#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {10440#false} is VALID [2020-07-17 22:20:52,626 INFO L280 TraceCheckUtils]: 52: Hoare triple {10440#false} assume true; {10440#false} is VALID [2020-07-17 22:20:52,626 INFO L275 TraceCheckUtils]: 53: Hoare quadruple {10440#false} {10439#true} #53#return; {10440#false} is VALID [2020-07-17 22:20:52,626 INFO L280 TraceCheckUtils]: 54: Hoare triple {10440#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {10440#false} is VALID [2020-07-17 22:20:52,627 INFO L263 TraceCheckUtils]: 55: Hoare triple {10440#false} call #t~ret3 := fibo1(~n - 2); {10439#true} is VALID [2020-07-17 22:20:52,627 INFO L280 TraceCheckUtils]: 56: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,627 INFO L280 TraceCheckUtils]: 57: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,628 INFO L280 TraceCheckUtils]: 58: Hoare triple {10439#true} assume !(1 == ~n); {10439#true} is VALID [2020-07-17 22:20:52,628 INFO L263 TraceCheckUtils]: 59: Hoare triple {10439#true} call #t~ret0 := fibo2(~n - 1); {10439#true} is VALID [2020-07-17 22:20:52,628 INFO L280 TraceCheckUtils]: 60: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,629 INFO L280 TraceCheckUtils]: 61: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,629 INFO L280 TraceCheckUtils]: 62: Hoare triple {10439#true} assume 1 == ~n;#res := 1; {10439#true} is VALID [2020-07-17 22:20:52,629 INFO L280 TraceCheckUtils]: 63: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,630 INFO L275 TraceCheckUtils]: 64: Hoare quadruple {10439#true} {10439#true} #57#return; {10439#true} is VALID [2020-07-17 22:20:52,630 INFO L280 TraceCheckUtils]: 65: Hoare triple {10439#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {10439#true} is VALID [2020-07-17 22:20:52,630 INFO L263 TraceCheckUtils]: 66: Hoare triple {10439#true} call #t~ret1 := fibo2(~n - 2); {10439#true} is VALID [2020-07-17 22:20:52,631 INFO L280 TraceCheckUtils]: 67: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,631 INFO L280 TraceCheckUtils]: 68: Hoare triple {10439#true} assume ~n < 1;#res := 0; {10439#true} is VALID [2020-07-17 22:20:52,631 INFO L280 TraceCheckUtils]: 69: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,632 INFO L275 TraceCheckUtils]: 70: Hoare quadruple {10439#true} {10439#true} #59#return; {10439#true} is VALID [2020-07-17 22:20:52,632 INFO L280 TraceCheckUtils]: 71: Hoare triple {10439#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {10439#true} is VALID [2020-07-17 22:20:52,632 INFO L280 TraceCheckUtils]: 72: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,632 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {10439#true} {10440#false} #55#return; {10440#false} is VALID [2020-07-17 22:20:52,633 INFO L280 TraceCheckUtils]: 74: Hoare triple {10440#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {10440#false} is VALID [2020-07-17 22:20:52,633 INFO L280 TraceCheckUtils]: 75: Hoare triple {10440#false} assume true; {10440#false} is VALID [2020-07-17 22:20:52,633 INFO L275 TraceCheckUtils]: 76: Hoare quadruple {10440#false} {10558#(= fibo1_~n |fibo1_#in~n|)} #57#return; {10632#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,635 INFO L280 TraceCheckUtils]: 77: Hoare triple {10632#(<= 6 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {10632#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,635 INFO L263 TraceCheckUtils]: 78: Hoare triple {10632#(<= 6 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {10439#true} is VALID [2020-07-17 22:20:52,635 INFO L280 TraceCheckUtils]: 79: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,636 INFO L280 TraceCheckUtils]: 80: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,636 INFO L280 TraceCheckUtils]: 81: Hoare triple {10439#true} assume !(1 == ~n); {10439#true} is VALID [2020-07-17 22:20:52,636 INFO L263 TraceCheckUtils]: 82: Hoare triple {10439#true} call #t~ret2 := fibo1(~n - 1); {10439#true} is VALID [2020-07-17 22:20:52,637 INFO L280 TraceCheckUtils]: 83: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,637 INFO L280 TraceCheckUtils]: 84: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,637 INFO L280 TraceCheckUtils]: 85: Hoare triple {10439#true} assume !(1 == ~n); {10439#true} is VALID [2020-07-17 22:20:52,638 INFO L263 TraceCheckUtils]: 86: Hoare triple {10439#true} call #t~ret0 := fibo2(~n - 1); {10439#true} is VALID [2020-07-17 22:20:52,638 INFO L280 TraceCheckUtils]: 87: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,638 INFO L280 TraceCheckUtils]: 88: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,638 INFO L280 TraceCheckUtils]: 89: Hoare triple {10439#true} assume 1 == ~n;#res := 1; {10439#true} is VALID [2020-07-17 22:20:52,639 INFO L280 TraceCheckUtils]: 90: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,639 INFO L275 TraceCheckUtils]: 91: Hoare quadruple {10439#true} {10439#true} #57#return; {10439#true} is VALID [2020-07-17 22:20:52,639 INFO L280 TraceCheckUtils]: 92: Hoare triple {10439#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {10439#true} is VALID [2020-07-17 22:20:52,640 INFO L263 TraceCheckUtils]: 93: Hoare triple {10439#true} call #t~ret1 := fibo2(~n - 2); {10439#true} is VALID [2020-07-17 22:20:52,640 INFO L280 TraceCheckUtils]: 94: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,640 INFO L280 TraceCheckUtils]: 95: Hoare triple {10439#true} assume ~n < 1;#res := 0; {10439#true} is VALID [2020-07-17 22:20:52,641 INFO L280 TraceCheckUtils]: 96: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,641 INFO L275 TraceCheckUtils]: 97: Hoare quadruple {10439#true} {10439#true} #59#return; {10439#true} is VALID [2020-07-17 22:20:52,641 INFO L280 TraceCheckUtils]: 98: Hoare triple {10439#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {10439#true} is VALID [2020-07-17 22:20:52,641 INFO L280 TraceCheckUtils]: 99: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,642 INFO L275 TraceCheckUtils]: 100: Hoare quadruple {10439#true} {10439#true} #53#return; {10439#true} is VALID [2020-07-17 22:20:52,642 INFO L280 TraceCheckUtils]: 101: Hoare triple {10439#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {10439#true} is VALID [2020-07-17 22:20:52,642 INFO L263 TraceCheckUtils]: 102: Hoare triple {10439#true} call #t~ret3 := fibo1(~n - 2); {10439#true} is VALID [2020-07-17 22:20:52,643 INFO L280 TraceCheckUtils]: 103: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,643 INFO L280 TraceCheckUtils]: 104: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,643 INFO L280 TraceCheckUtils]: 105: Hoare triple {10439#true} assume 1 == ~n;#res := 1; {10439#true} is VALID [2020-07-17 22:20:52,643 INFO L280 TraceCheckUtils]: 106: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,644 INFO L275 TraceCheckUtils]: 107: Hoare quadruple {10439#true} {10439#true} #55#return; {10439#true} is VALID [2020-07-17 22:20:52,644 INFO L280 TraceCheckUtils]: 108: Hoare triple {10439#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {10439#true} is VALID [2020-07-17 22:20:52,644 INFO L280 TraceCheckUtils]: 109: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,646 INFO L275 TraceCheckUtils]: 110: Hoare quadruple {10439#true} {10632#(<= 6 |fibo1_#in~n|)} #59#return; {10632#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,647 INFO L280 TraceCheckUtils]: 111: Hoare triple {10632#(<= 6 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {10632#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,648 INFO L280 TraceCheckUtils]: 112: Hoare triple {10632#(<= 6 |fibo1_#in~n|)} assume true; {10632#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,649 INFO L275 TraceCheckUtils]: 113: Hoare quadruple {10632#(<= 6 |fibo1_#in~n|)} {10443#(<= main_~x~0 5)} #51#return; {10440#false} is VALID [2020-07-17 22:20:52,667 INFO L263 TraceCheckUtils]: 0: Hoare triple {10439#true} call ULTIMATE.init(); {10439#true} is VALID [2020-07-17 22:20:52,668 INFO L280 TraceCheckUtils]: 1: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,668 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {10439#true} {10439#true} #47#return; {10439#true} is VALID [2020-07-17 22:20:52,668 INFO L263 TraceCheckUtils]: 3: Hoare triple {10439#true} call #t~ret5 := main(); {10439#true} is VALID [2020-07-17 22:20:52,669 INFO L280 TraceCheckUtils]: 4: Hoare triple {10439#true} ~x~0 := 5; {10443#(<= main_~x~0 5)} is VALID [2020-07-17 22:20:52,670 INFO L263 TraceCheckUtils]: 5: Hoare triple {10443#(<= main_~x~0 5)} call #t~ret4 := fibo1(~x~0); {10439#true} is VALID [2020-07-17 22:20:52,671 INFO L280 TraceCheckUtils]: 6: Hoare triple {10439#true} ~n := #in~n; {10558#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,671 INFO L280 TraceCheckUtils]: 7: Hoare triple {10558#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {10558#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,672 INFO L280 TraceCheckUtils]: 8: Hoare triple {10558#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {10558#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,672 INFO L263 TraceCheckUtils]: 9: Hoare triple {10558#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {10439#true} is VALID [2020-07-17 22:20:52,673 INFO L280 TraceCheckUtils]: 10: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,673 INFO L280 TraceCheckUtils]: 11: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,673 INFO L280 TraceCheckUtils]: 12: Hoare triple {10439#true} assume !(1 == ~n); {10439#true} is VALID [2020-07-17 22:20:52,674 INFO L263 TraceCheckUtils]: 13: Hoare triple {10439#true} call #t~ret2 := fibo1(~n - 1); {10439#true} is VALID [2020-07-17 22:20:52,674 INFO L280 TraceCheckUtils]: 14: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,674 INFO L280 TraceCheckUtils]: 15: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,674 INFO L280 TraceCheckUtils]: 16: Hoare triple {10439#true} assume !(1 == ~n); {10439#true} is VALID [2020-07-17 22:20:52,675 INFO L263 TraceCheckUtils]: 17: Hoare triple {10439#true} call #t~ret0 := fibo2(~n - 1); {10439#true} is VALID [2020-07-17 22:20:52,676 INFO L280 TraceCheckUtils]: 18: Hoare triple {10439#true} ~n := #in~n; {10767#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,676 INFO L280 TraceCheckUtils]: 19: Hoare triple {10767#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {10767#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,677 INFO L280 TraceCheckUtils]: 20: Hoare triple {10767#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {10767#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,677 INFO L263 TraceCheckUtils]: 21: Hoare triple {10767#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {10439#true} is VALID [2020-07-17 22:20:52,678 INFO L280 TraceCheckUtils]: 22: Hoare triple {10439#true} ~n := #in~n; {10558#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,679 INFO L280 TraceCheckUtils]: 23: Hoare triple {10558#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {10792#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-17 22:20:52,679 INFO L280 TraceCheckUtils]: 24: Hoare triple {10792#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,680 INFO L263 TraceCheckUtils]: 25: Hoare triple {10793#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {10439#true} is VALID [2020-07-17 22:20:52,680 INFO L280 TraceCheckUtils]: 26: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,680 INFO L280 TraceCheckUtils]: 27: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,680 INFO L280 TraceCheckUtils]: 28: Hoare triple {10439#true} assume 1 == ~n;#res := 1; {10439#true} is VALID [2020-07-17 22:20:52,680 INFO L280 TraceCheckUtils]: 29: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,681 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {10439#true} {10793#(<= 2 |fibo1_#in~n|)} #57#return; {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,682 INFO L280 TraceCheckUtils]: 31: Hoare triple {10793#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,682 INFO L263 TraceCheckUtils]: 32: Hoare triple {10793#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {10439#true} is VALID [2020-07-17 22:20:52,682 INFO L280 TraceCheckUtils]: 33: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,683 INFO L280 TraceCheckUtils]: 34: Hoare triple {10439#true} assume ~n < 1;#res := 0; {10439#true} is VALID [2020-07-17 22:20:52,683 INFO L280 TraceCheckUtils]: 35: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,684 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {10439#true} {10793#(<= 2 |fibo1_#in~n|)} #59#return; {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,685 INFO L280 TraceCheckUtils]: 37: Hoare triple {10793#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,686 INFO L280 TraceCheckUtils]: 38: Hoare triple {10793#(<= 2 |fibo1_#in~n|)} assume true; {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,688 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {10793#(<= 2 |fibo1_#in~n|)} {10767#(= fibo2_~n |fibo2_#in~n|)} #53#return; {10786#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,689 INFO L280 TraceCheckUtils]: 40: Hoare triple {10786#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {10786#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,689 INFO L263 TraceCheckUtils]: 41: Hoare triple {10786#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {10439#true} is VALID [2020-07-17 22:20:52,689 INFO L280 TraceCheckUtils]: 42: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,689 INFO L280 TraceCheckUtils]: 43: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,690 INFO L280 TraceCheckUtils]: 44: Hoare triple {10439#true} assume 1 == ~n;#res := 1; {10439#true} is VALID [2020-07-17 22:20:52,690 INFO L280 TraceCheckUtils]: 45: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,692 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {10439#true} {10786#(<= 3 |fibo2_#in~n|)} #55#return; {10786#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,692 INFO L280 TraceCheckUtils]: 47: Hoare triple {10786#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {10786#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,693 INFO L280 TraceCheckUtils]: 48: Hoare triple {10786#(<= 3 |fibo2_#in~n|)} assume true; {10786#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,695 INFO L275 TraceCheckUtils]: 49: Hoare quadruple {10786#(<= 3 |fibo2_#in~n|)} {10439#true} #57#return; {10761#(<= 4 fibo1_~n)} is VALID [2020-07-17 22:20:52,696 INFO L280 TraceCheckUtils]: 50: Hoare triple {10761#(<= 4 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {10761#(<= 4 fibo1_~n)} is VALID [2020-07-17 22:20:52,696 INFO L263 TraceCheckUtils]: 51: Hoare triple {10761#(<= 4 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {10439#true} is VALID [2020-07-17 22:20:52,697 INFO L280 TraceCheckUtils]: 52: Hoare triple {10439#true} ~n := #in~n; {10767#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,698 INFO L280 TraceCheckUtils]: 53: Hoare triple {10767#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {10767#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,699 INFO L280 TraceCheckUtils]: 54: Hoare triple {10767#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {10803#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:52,700 INFO L280 TraceCheckUtils]: 55: Hoare triple {10803#(<= |fibo2_#in~n| 1)} assume true; {10803#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:52,702 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {10803#(<= |fibo2_#in~n| 1)} {10761#(<= 4 fibo1_~n)} #59#return; {10440#false} is VALID [2020-07-17 22:20:52,702 INFO L280 TraceCheckUtils]: 57: Hoare triple {10440#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {10440#false} is VALID [2020-07-17 22:20:52,702 INFO L280 TraceCheckUtils]: 58: Hoare triple {10440#false} assume true; {10440#false} is VALID [2020-07-17 22:20:52,703 INFO L275 TraceCheckUtils]: 59: Hoare quadruple {10440#false} {10439#true} #53#return; {10440#false} is VALID [2020-07-17 22:20:52,703 INFO L280 TraceCheckUtils]: 60: Hoare triple {10440#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {10440#false} is VALID [2020-07-17 22:20:52,703 INFO L263 TraceCheckUtils]: 61: Hoare triple {10440#false} call #t~ret3 := fibo1(~n - 2); {10439#true} is VALID [2020-07-17 22:20:52,704 INFO L280 TraceCheckUtils]: 62: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,704 INFO L280 TraceCheckUtils]: 63: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,704 INFO L280 TraceCheckUtils]: 64: Hoare triple {10439#true} assume !(1 == ~n); {10439#true} is VALID [2020-07-17 22:20:52,705 INFO L263 TraceCheckUtils]: 65: Hoare triple {10439#true} call #t~ret0 := fibo2(~n - 1); {10439#true} is VALID [2020-07-17 22:20:52,705 INFO L280 TraceCheckUtils]: 66: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,705 INFO L280 TraceCheckUtils]: 67: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,706 INFO L280 TraceCheckUtils]: 68: Hoare triple {10439#true} assume 1 == ~n;#res := 1; {10439#true} is VALID [2020-07-17 22:20:52,706 INFO L280 TraceCheckUtils]: 69: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,706 INFO L275 TraceCheckUtils]: 70: Hoare quadruple {10439#true} {10439#true} #57#return; {10439#true} is VALID [2020-07-17 22:20:52,706 INFO L280 TraceCheckUtils]: 71: Hoare triple {10439#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {10439#true} is VALID [2020-07-17 22:20:52,707 INFO L263 TraceCheckUtils]: 72: Hoare triple {10439#true} call #t~ret1 := fibo2(~n - 2); {10439#true} is VALID [2020-07-17 22:20:52,707 INFO L280 TraceCheckUtils]: 73: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,707 INFO L280 TraceCheckUtils]: 74: Hoare triple {10439#true} assume ~n < 1;#res := 0; {10439#true} is VALID [2020-07-17 22:20:52,708 INFO L280 TraceCheckUtils]: 75: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,708 INFO L275 TraceCheckUtils]: 76: Hoare quadruple {10439#true} {10439#true} #59#return; {10439#true} is VALID [2020-07-17 22:20:52,708 INFO L280 TraceCheckUtils]: 77: Hoare triple {10439#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {10439#true} is VALID [2020-07-17 22:20:52,709 INFO L280 TraceCheckUtils]: 78: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,709 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {10439#true} {10440#false} #55#return; {10440#false} is VALID [2020-07-17 22:20:52,709 INFO L280 TraceCheckUtils]: 80: Hoare triple {10440#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {10440#false} is VALID [2020-07-17 22:20:52,709 INFO L280 TraceCheckUtils]: 81: Hoare triple {10440#false} assume true; {10440#false} is VALID [2020-07-17 22:20:52,710 INFO L275 TraceCheckUtils]: 82: Hoare quadruple {10440#false} {10558#(= fibo1_~n |fibo1_#in~n|)} #57#return; {10632#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,711 INFO L280 TraceCheckUtils]: 83: Hoare triple {10632#(<= 6 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {10632#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,711 INFO L263 TraceCheckUtils]: 84: Hoare triple {10632#(<= 6 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {10439#true} is VALID [2020-07-17 22:20:52,712 INFO L280 TraceCheckUtils]: 85: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,712 INFO L280 TraceCheckUtils]: 86: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,712 INFO L280 TraceCheckUtils]: 87: Hoare triple {10439#true} assume !(1 == ~n); {10439#true} is VALID [2020-07-17 22:20:52,712 INFO L263 TraceCheckUtils]: 88: Hoare triple {10439#true} call #t~ret2 := fibo1(~n - 1); {10439#true} is VALID [2020-07-17 22:20:52,713 INFO L280 TraceCheckUtils]: 89: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,713 INFO L280 TraceCheckUtils]: 90: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,713 INFO L280 TraceCheckUtils]: 91: Hoare triple {10439#true} assume !(1 == ~n); {10439#true} is VALID [2020-07-17 22:20:52,714 INFO L263 TraceCheckUtils]: 92: Hoare triple {10439#true} call #t~ret0 := fibo2(~n - 1); {10439#true} is VALID [2020-07-17 22:20:52,714 INFO L280 TraceCheckUtils]: 93: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,714 INFO L280 TraceCheckUtils]: 94: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,715 INFO L280 TraceCheckUtils]: 95: Hoare triple {10439#true} assume 1 == ~n;#res := 1; {10439#true} is VALID [2020-07-17 22:20:52,715 INFO L280 TraceCheckUtils]: 96: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,715 INFO L275 TraceCheckUtils]: 97: Hoare quadruple {10439#true} {10439#true} #57#return; {10439#true} is VALID [2020-07-17 22:20:52,715 INFO L280 TraceCheckUtils]: 98: Hoare triple {10439#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {10439#true} is VALID [2020-07-17 22:20:52,716 INFO L263 TraceCheckUtils]: 99: Hoare triple {10439#true} call #t~ret1 := fibo2(~n - 2); {10439#true} is VALID [2020-07-17 22:20:52,716 INFO L280 TraceCheckUtils]: 100: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,716 INFO L280 TraceCheckUtils]: 101: Hoare triple {10439#true} assume ~n < 1;#res := 0; {10439#true} is VALID [2020-07-17 22:20:52,717 INFO L280 TraceCheckUtils]: 102: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,717 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {10439#true} {10439#true} #59#return; {10439#true} is VALID [2020-07-17 22:20:52,717 INFO L280 TraceCheckUtils]: 104: Hoare triple {10439#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {10439#true} is VALID [2020-07-17 22:20:52,718 INFO L280 TraceCheckUtils]: 105: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,718 INFO L275 TraceCheckUtils]: 106: Hoare quadruple {10439#true} {10439#true} #53#return; {10439#true} is VALID [2020-07-17 22:20:52,718 INFO L280 TraceCheckUtils]: 107: Hoare triple {10439#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {10439#true} is VALID [2020-07-17 22:20:52,718 INFO L263 TraceCheckUtils]: 108: Hoare triple {10439#true} call #t~ret3 := fibo1(~n - 2); {10439#true} is VALID [2020-07-17 22:20:52,719 INFO L280 TraceCheckUtils]: 109: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:52,719 INFO L280 TraceCheckUtils]: 110: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:52,719 INFO L280 TraceCheckUtils]: 111: Hoare triple {10439#true} assume 1 == ~n;#res := 1; {10439#true} is VALID [2020-07-17 22:20:52,720 INFO L280 TraceCheckUtils]: 112: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,720 INFO L275 TraceCheckUtils]: 113: Hoare quadruple {10439#true} {10439#true} #55#return; {10439#true} is VALID [2020-07-17 22:20:52,720 INFO L280 TraceCheckUtils]: 114: Hoare triple {10439#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {10439#true} is VALID [2020-07-17 22:20:52,721 INFO L280 TraceCheckUtils]: 115: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:52,722 INFO L275 TraceCheckUtils]: 116: Hoare quadruple {10439#true} {10632#(<= 6 |fibo1_#in~n|)} #59#return; {10632#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,723 INFO L280 TraceCheckUtils]: 117: Hoare triple {10632#(<= 6 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {10632#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,724 INFO L280 TraceCheckUtils]: 118: Hoare triple {10632#(<= 6 |fibo1_#in~n|)} assume true; {10632#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,726 INFO L275 TraceCheckUtils]: 119: Hoare quadruple {10632#(<= 6 |fibo1_#in~n|)} {10443#(<= main_~x~0 5)} #51#return; {10440#false} is VALID [2020-07-17 22:20:52,726 INFO L280 TraceCheckUtils]: 120: Hoare triple {10440#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {10440#false} is VALID [2020-07-17 22:20:52,726 INFO L280 TraceCheckUtils]: 121: Hoare triple {10440#false} assume 5 != ~result~0; {10440#false} is VALID [2020-07-17 22:20:52,727 INFO L280 TraceCheckUtils]: 122: Hoare triple {10440#false} assume !false; {10440#false} is VALID [2020-07-17 22:20:52,749 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 57 proven. 113 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2020-07-17 22:20:52,749 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428129782] [2020-07-17 22:20:52,750 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1048168404] [2020-07-17 22:20:52,750 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:20:52,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,839 INFO L264 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-17 22:20:52,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,870 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 22:20:53,279 INFO L263 TraceCheckUtils]: 0: Hoare triple {10439#true} call ULTIMATE.init(); {10439#true} is VALID [2020-07-17 22:20:53,280 INFO L280 TraceCheckUtils]: 1: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:53,280 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {10439#true} {10439#true} #47#return; {10439#true} is VALID [2020-07-17 22:20:53,280 INFO L263 TraceCheckUtils]: 3: Hoare triple {10439#true} call #t~ret5 := main(); {10439#true} is VALID [2020-07-17 22:20:53,281 INFO L280 TraceCheckUtils]: 4: Hoare triple {10439#true} ~x~0 := 5; {10443#(<= main_~x~0 5)} is VALID [2020-07-17 22:20:53,281 INFO L263 TraceCheckUtils]: 5: Hoare triple {10443#(<= main_~x~0 5)} call #t~ret4 := fibo1(~x~0); {10439#true} is VALID [2020-07-17 22:20:53,282 INFO L280 TraceCheckUtils]: 6: Hoare triple {10439#true} ~n := #in~n; {10866#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:53,283 INFO L280 TraceCheckUtils]: 7: Hoare triple {10866#(<= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {10866#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:53,284 INFO L280 TraceCheckUtils]: 8: Hoare triple {10866#(<= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {10866#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:53,284 INFO L263 TraceCheckUtils]: 9: Hoare triple {10866#(<= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {10439#true} is VALID [2020-07-17 22:20:53,285 INFO L280 TraceCheckUtils]: 10: Hoare triple {10439#true} ~n := #in~n; {10879#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:53,286 INFO L280 TraceCheckUtils]: 11: Hoare triple {10879#(<= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {10879#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:53,287 INFO L280 TraceCheckUtils]: 12: Hoare triple {10879#(<= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {10879#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:53,287 INFO L263 TraceCheckUtils]: 13: Hoare triple {10879#(<= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {10439#true} is VALID [2020-07-17 22:20:53,288 INFO L280 TraceCheckUtils]: 14: Hoare triple {10439#true} ~n := #in~n; {10866#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:53,289 INFO L280 TraceCheckUtils]: 15: Hoare triple {10866#(<= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {10866#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:53,290 INFO L280 TraceCheckUtils]: 16: Hoare triple {10866#(<= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {10866#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:53,290 INFO L263 TraceCheckUtils]: 17: Hoare triple {10866#(<= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {10439#true} is VALID [2020-07-17 22:20:53,291 INFO L280 TraceCheckUtils]: 18: Hoare triple {10439#true} ~n := #in~n; {10879#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:53,292 INFO L280 TraceCheckUtils]: 19: Hoare triple {10879#(<= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {10879#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:53,293 INFO L280 TraceCheckUtils]: 20: Hoare triple {10879#(<= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {10879#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:53,293 INFO L263 TraceCheckUtils]: 21: Hoare triple {10879#(<= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {10439#true} is VALID [2020-07-17 22:20:53,294 INFO L280 TraceCheckUtils]: 22: Hoare triple {10439#true} ~n := #in~n; {10866#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:53,295 INFO L280 TraceCheckUtils]: 23: Hoare triple {10866#(<= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {10866#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:53,296 INFO L280 TraceCheckUtils]: 24: Hoare triple {10866#(<= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {10866#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:53,296 INFO L263 TraceCheckUtils]: 25: Hoare triple {10866#(<= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {10439#true} is VALID [2020-07-17 22:20:53,297 INFO L280 TraceCheckUtils]: 26: Hoare triple {10439#true} ~n := #in~n; {10879#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:53,298 INFO L280 TraceCheckUtils]: 27: Hoare triple {10879#(<= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {10931#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:53,299 INFO L280 TraceCheckUtils]: 28: Hoare triple {10931#(<= 1 |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {10931#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:53,300 INFO L280 TraceCheckUtils]: 29: Hoare triple {10931#(<= 1 |fibo2_#in~n|)} assume true; {10931#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:53,302 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {10931#(<= 1 |fibo2_#in~n|)} {10866#(<= fibo1_~n |fibo1_#in~n|)} #57#return; {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:53,303 INFO L280 TraceCheckUtils]: 31: Hoare triple {10793#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:53,303 INFO L263 TraceCheckUtils]: 32: Hoare triple {10793#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {10439#true} is VALID [2020-07-17 22:20:53,303 INFO L280 TraceCheckUtils]: 33: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:53,304 INFO L280 TraceCheckUtils]: 34: Hoare triple {10439#true} assume ~n < 1;#res := 0; {10439#true} is VALID [2020-07-17 22:20:53,304 INFO L280 TraceCheckUtils]: 35: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:53,305 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {10439#true} {10793#(<= 2 |fibo1_#in~n|)} #59#return; {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:53,306 INFO L280 TraceCheckUtils]: 37: Hoare triple {10793#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:53,307 INFO L280 TraceCheckUtils]: 38: Hoare triple {10793#(<= 2 |fibo1_#in~n|)} assume true; {10793#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:53,309 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {10793#(<= 2 |fibo1_#in~n|)} {10879#(<= fibo2_~n |fibo2_#in~n|)} #53#return; {10786#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:53,310 INFO L280 TraceCheckUtils]: 40: Hoare triple {10786#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {10786#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:53,310 INFO L263 TraceCheckUtils]: 41: Hoare triple {10786#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {10439#true} is VALID [2020-07-17 22:20:53,310 INFO L280 TraceCheckUtils]: 42: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:53,311 INFO L280 TraceCheckUtils]: 43: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:53,311 INFO L280 TraceCheckUtils]: 44: Hoare triple {10439#true} assume 1 == ~n;#res := 1; {10439#true} is VALID [2020-07-17 22:20:53,311 INFO L280 TraceCheckUtils]: 45: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:53,313 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {10439#true} {10786#(<= 3 |fibo2_#in~n|)} #55#return; {10786#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:53,314 INFO L280 TraceCheckUtils]: 47: Hoare triple {10786#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {10786#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:53,314 INFO L280 TraceCheckUtils]: 48: Hoare triple {10786#(<= 3 |fibo2_#in~n|)} assume true; {10786#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:53,316 INFO L275 TraceCheckUtils]: 49: Hoare quadruple {10786#(<= 3 |fibo2_#in~n|)} {10866#(<= fibo1_~n |fibo1_#in~n|)} #57#return; {10998#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:53,317 INFO L280 TraceCheckUtils]: 50: Hoare triple {10998#(<= 4 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {10998#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:53,317 INFO L263 TraceCheckUtils]: 51: Hoare triple {10998#(<= 4 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {10439#true} is VALID [2020-07-17 22:20:53,318 INFO L280 TraceCheckUtils]: 52: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:53,318 INFO L280 TraceCheckUtils]: 53: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:53,321 INFO L280 TraceCheckUtils]: 54: Hoare triple {10439#true} assume 1 == ~n;#res := 1; {10439#true} is VALID [2020-07-17 22:20:53,322 INFO L280 TraceCheckUtils]: 55: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:53,330 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {10439#true} {10998#(<= 4 |fibo1_#in~n|)} #59#return; {10998#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:53,331 INFO L280 TraceCheckUtils]: 57: Hoare triple {10998#(<= 4 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {10998#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:53,332 INFO L280 TraceCheckUtils]: 58: Hoare triple {10998#(<= 4 |fibo1_#in~n|)} assume true; {10998#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:53,334 INFO L275 TraceCheckUtils]: 59: Hoare quadruple {10998#(<= 4 |fibo1_#in~n|)} {10879#(<= fibo2_~n |fibo2_#in~n|)} #53#return; {11029#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:53,335 INFO L280 TraceCheckUtils]: 60: Hoare triple {11029#(<= 5 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {11029#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:53,335 INFO L263 TraceCheckUtils]: 61: Hoare triple {11029#(<= 5 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {10439#true} is VALID [2020-07-17 22:20:53,335 INFO L280 TraceCheckUtils]: 62: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:53,336 INFO L280 TraceCheckUtils]: 63: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:53,336 INFO L280 TraceCheckUtils]: 64: Hoare triple {10439#true} assume !(1 == ~n); {10439#true} is VALID [2020-07-17 22:20:53,336 INFO L263 TraceCheckUtils]: 65: Hoare triple {10439#true} call #t~ret0 := fibo2(~n - 1); {10439#true} is VALID [2020-07-17 22:20:53,337 INFO L280 TraceCheckUtils]: 66: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:53,337 INFO L280 TraceCheckUtils]: 67: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:53,337 INFO L280 TraceCheckUtils]: 68: Hoare triple {10439#true} assume 1 == ~n;#res := 1; {10439#true} is VALID [2020-07-17 22:20:53,337 INFO L280 TraceCheckUtils]: 69: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:53,338 INFO L275 TraceCheckUtils]: 70: Hoare quadruple {10439#true} {10439#true} #57#return; {10439#true} is VALID [2020-07-17 22:20:53,338 INFO L280 TraceCheckUtils]: 71: Hoare triple {10439#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {10439#true} is VALID [2020-07-17 22:20:53,338 INFO L263 TraceCheckUtils]: 72: Hoare triple {10439#true} call #t~ret1 := fibo2(~n - 2); {10439#true} is VALID [2020-07-17 22:20:53,338 INFO L280 TraceCheckUtils]: 73: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:53,339 INFO L280 TraceCheckUtils]: 74: Hoare triple {10439#true} assume ~n < 1;#res := 0; {10439#true} is VALID [2020-07-17 22:20:53,339 INFO L280 TraceCheckUtils]: 75: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:53,339 INFO L275 TraceCheckUtils]: 76: Hoare quadruple {10439#true} {10439#true} #59#return; {10439#true} is VALID [2020-07-17 22:20:53,340 INFO L280 TraceCheckUtils]: 77: Hoare triple {10439#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {10439#true} is VALID [2020-07-17 22:20:53,340 INFO L280 TraceCheckUtils]: 78: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:53,341 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {10439#true} {11029#(<= 5 |fibo2_#in~n|)} #55#return; {11029#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:53,342 INFO L280 TraceCheckUtils]: 80: Hoare triple {11029#(<= 5 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {11029#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:53,343 INFO L280 TraceCheckUtils]: 81: Hoare triple {11029#(<= 5 |fibo2_#in~n|)} assume true; {11029#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:53,345 INFO L275 TraceCheckUtils]: 82: Hoare quadruple {11029#(<= 5 |fibo2_#in~n|)} {10866#(<= fibo1_~n |fibo1_#in~n|)} #57#return; {10632#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:53,346 INFO L280 TraceCheckUtils]: 83: Hoare triple {10632#(<= 6 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {10632#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:53,346 INFO L263 TraceCheckUtils]: 84: Hoare triple {10632#(<= 6 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {10439#true} is VALID [2020-07-17 22:20:53,346 INFO L280 TraceCheckUtils]: 85: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:53,346 INFO L280 TraceCheckUtils]: 86: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:53,347 INFO L280 TraceCheckUtils]: 87: Hoare triple {10439#true} assume !(1 == ~n); {10439#true} is VALID [2020-07-17 22:20:53,347 INFO L263 TraceCheckUtils]: 88: Hoare triple {10439#true} call #t~ret2 := fibo1(~n - 1); {10439#true} is VALID [2020-07-17 22:20:53,347 INFO L280 TraceCheckUtils]: 89: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:53,348 INFO L280 TraceCheckUtils]: 90: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:53,348 INFO L280 TraceCheckUtils]: 91: Hoare triple {10439#true} assume !(1 == ~n); {10439#true} is VALID [2020-07-17 22:20:53,348 INFO L263 TraceCheckUtils]: 92: Hoare triple {10439#true} call #t~ret0 := fibo2(~n - 1); {10439#true} is VALID [2020-07-17 22:20:53,348 INFO L280 TraceCheckUtils]: 93: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:53,349 INFO L280 TraceCheckUtils]: 94: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:53,349 INFO L280 TraceCheckUtils]: 95: Hoare triple {10439#true} assume 1 == ~n;#res := 1; {10439#true} is VALID [2020-07-17 22:20:53,349 INFO L280 TraceCheckUtils]: 96: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:53,350 INFO L275 TraceCheckUtils]: 97: Hoare quadruple {10439#true} {10439#true} #57#return; {10439#true} is VALID [2020-07-17 22:20:53,350 INFO L280 TraceCheckUtils]: 98: Hoare triple {10439#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {10439#true} is VALID [2020-07-17 22:20:53,350 INFO L263 TraceCheckUtils]: 99: Hoare triple {10439#true} call #t~ret1 := fibo2(~n - 2); {10439#true} is VALID [2020-07-17 22:20:53,350 INFO L280 TraceCheckUtils]: 100: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:53,351 INFO L280 TraceCheckUtils]: 101: Hoare triple {10439#true} assume ~n < 1;#res := 0; {10439#true} is VALID [2020-07-17 22:20:53,351 INFO L280 TraceCheckUtils]: 102: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:53,351 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {10439#true} {10439#true} #59#return; {10439#true} is VALID [2020-07-17 22:20:53,352 INFO L280 TraceCheckUtils]: 104: Hoare triple {10439#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {10439#true} is VALID [2020-07-17 22:20:53,352 INFO L280 TraceCheckUtils]: 105: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:53,352 INFO L275 TraceCheckUtils]: 106: Hoare quadruple {10439#true} {10439#true} #53#return; {10439#true} is VALID [2020-07-17 22:20:53,352 INFO L280 TraceCheckUtils]: 107: Hoare triple {10439#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {10439#true} is VALID [2020-07-17 22:20:53,353 INFO L263 TraceCheckUtils]: 108: Hoare triple {10439#true} call #t~ret3 := fibo1(~n - 2); {10439#true} is VALID [2020-07-17 22:20:53,353 INFO L280 TraceCheckUtils]: 109: Hoare triple {10439#true} ~n := #in~n; {10439#true} is VALID [2020-07-17 22:20:53,353 INFO L280 TraceCheckUtils]: 110: Hoare triple {10439#true} assume !(~n < 1); {10439#true} is VALID [2020-07-17 22:20:53,353 INFO L280 TraceCheckUtils]: 111: Hoare triple {10439#true} assume 1 == ~n;#res := 1; {10439#true} is VALID [2020-07-17 22:20:53,353 INFO L280 TraceCheckUtils]: 112: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:53,354 INFO L275 TraceCheckUtils]: 113: Hoare quadruple {10439#true} {10439#true} #55#return; {10439#true} is VALID [2020-07-17 22:20:53,354 INFO L280 TraceCheckUtils]: 114: Hoare triple {10439#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {10439#true} is VALID [2020-07-17 22:20:53,354 INFO L280 TraceCheckUtils]: 115: Hoare triple {10439#true} assume true; {10439#true} is VALID [2020-07-17 22:20:53,355 INFO L275 TraceCheckUtils]: 116: Hoare quadruple {10439#true} {10632#(<= 6 |fibo1_#in~n|)} #59#return; {10632#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:53,356 INFO L280 TraceCheckUtils]: 117: Hoare triple {10632#(<= 6 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {10632#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:53,356 INFO L280 TraceCheckUtils]: 118: Hoare triple {10632#(<= 6 |fibo1_#in~n|)} assume true; {10632#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:53,357 INFO L275 TraceCheckUtils]: 119: Hoare quadruple {10632#(<= 6 |fibo1_#in~n|)} {10443#(<= main_~x~0 5)} #51#return; {10440#false} is VALID [2020-07-17 22:20:53,358 INFO L280 TraceCheckUtils]: 120: Hoare triple {10440#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {10440#false} is VALID [2020-07-17 22:20:53,358 INFO L280 TraceCheckUtils]: 121: Hoare triple {10440#false} assume 5 != ~result~0; {10440#false} is VALID [2020-07-17 22:20:53,358 INFO L280 TraceCheckUtils]: 122: Hoare triple {10440#false} assume !false; {10440#false} is VALID [2020-07-17 22:20:53,380 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 48 proven. 133 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2020-07-17 22:20:53,381 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 22:20:53,381 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2020-07-17 22:20:53,381 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491943070] [2020-07-17 22:20:53,383 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 123 [2020-07-17 22:20:53,413 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:20:53,413 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states. [2020-07-17 22:20:53,593 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 102 edges. 102 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:20:53,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-07-17 22:20:53,593 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:20:53,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-07-17 22:20:53,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2020-07-17 22:20:53,594 INFO L87 Difference]: Start difference. First operand 105 states and 128 transitions. Second operand 16 states. [2020-07-17 22:20:55,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:55,546 INFO L93 Difference]: Finished difference Result 196 states and 249 transitions. [2020-07-17 22:20:55,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-17 22:20:55,547 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 123 [2020-07-17 22:20:55,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:20:55,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-07-17 22:20:55,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 109 transitions. [2020-07-17 22:20:55,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-07-17 22:20:55,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 109 transitions. [2020-07-17 22:20:55,554 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states and 109 transitions. [2020-07-17 22:20:55,698 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 109 edges. 109 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:20:55,698 INFO L225 Difference]: With dead ends: 196 [2020-07-17 22:20:55,698 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 22:20:55,701 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=453, Unknown=0, NotChecked=0, Total=552 [2020-07-17 22:20:55,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 22:20:55,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 22:20:55,701 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:20:55,701 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-17 22:20:55,702 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-17 22:20:55,702 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-17 22:20:55,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:55,702 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-17 22:20:55,702 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 22:20:55,702 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:55,703 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:55,703 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-17 22:20:55,703 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-17 22:20:55,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:55,703 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-17 22:20:55,703 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 22:20:55,704 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:55,704 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:55,704 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:20:55,704 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:20:55,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 22:20:55,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 22:20:55,704 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 123 [2020-07-17 22:20:55,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:20:55,705 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 22:20:55,705 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-07-17 22:20:55,705 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 22:20:55,705 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:55,913 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-17 22:20:55,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 22:20:56,865 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 6 [2020-07-17 22:20:57,315 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 19 [2020-07-17 22:20:57,487 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 7 [2020-07-17 22:20:57,829 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 22 [2020-07-17 22:20:57,835 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-17 22:20:57,835 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 22:20:57,836 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 22:20:57,836 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-17 22:20:57,836 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 22:20:57,836 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 22:20:57,836 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 39) no Hoare annotation was computed. [2020-07-17 22:20:57,836 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 35 42) the Hoare annotation is: true [2020-07-17 22:20:57,836 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 35 42) no Hoare annotation was computed. [2020-07-17 22:20:57,836 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 35 42) no Hoare annotation was computed. [2020-07-17 22:20:57,836 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-07-17 22:20:57,837 INFO L268 CegarLoopResult]: For program point L38(lines 38 40) no Hoare annotation was computed. [2020-07-17 22:20:57,837 INFO L264 CegarLoopResult]: At program point L37(line 37) the Hoare annotation is: (and (<= main_~x~0 5) (<= 5 main_~x~0)) [2020-07-17 22:20:57,837 INFO L268 CegarLoopResult]: For program point L37-1(line 37) no Hoare annotation was computed. [2020-07-17 22:20:57,837 INFO L268 CegarLoopResult]: For program point L38-2(lines 38 40) no Hoare annotation was computed. [2020-07-17 22:20:57,837 INFO L271 CegarLoopResult]: At program point fibo2ENTRY(lines 17 25) the Hoare annotation is: true [2020-07-17 22:20:57,837 INFO L264 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: (and (= fibo2_~n |fibo2_#in~n|) (< 1 fibo2_~n)) [2020-07-17 22:20:57,837 INFO L268 CegarLoopResult]: For program point L23-1(line 23) no Hoare annotation was computed. [2020-07-17 22:20:57,838 INFO L264 CegarLoopResult]: At program point L23-2(line 23) the Hoare annotation is: (let ((.cse0 (<= |fibo2_#t~ret2| 1)) (.cse1 (<= 1 |fibo2_#t~ret2|)) (.cse2 (= fibo2_~n |fibo2_#in~n|))) (or (and .cse0 .cse1 .cse2 (<= 3 fibo2_~n) (<= fibo2_~n 3)) (and (<= 5 |fibo2_#in~n|) .cse2) (and (<= |fibo2_#in~n| 2) .cse0 .cse1 (< 1 fibo2_~n) .cse2))) [2020-07-17 22:20:57,838 INFO L268 CegarLoopResult]: For program point L20(lines 20 24) no Hoare annotation was computed. [2020-07-17 22:20:57,838 INFO L268 CegarLoopResult]: For program point L23-3(line 23) no Hoare annotation was computed. [2020-07-17 22:20:57,838 INFO L268 CegarLoopResult]: For program point L18(lines 18 24) no Hoare annotation was computed. [2020-07-17 22:20:57,838 INFO L268 CegarLoopResult]: For program point fibo2FINAL(lines 17 25) no Hoare annotation was computed. [2020-07-17 22:20:57,838 INFO L268 CegarLoopResult]: For program point fibo2EXIT(lines 17 25) no Hoare annotation was computed. [2020-07-17 22:20:57,838 INFO L271 CegarLoopResult]: At program point fibo1ENTRY(lines 7 15) the Hoare annotation is: true [2020-07-17 22:20:57,839 INFO L264 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: (and (not (<= |fibo1_#in~n| 1)) (= fibo1_~n |fibo1_#in~n|)) [2020-07-17 22:20:57,839 INFO L268 CegarLoopResult]: For program point L13-1(line 13) no Hoare annotation was computed. [2020-07-17 22:20:57,839 INFO L264 CegarLoopResult]: At program point L13-2(line 13) the Hoare annotation is: (and (or (<= 6 |fibo1_#in~n|) (<= |fibo1_#in~n| 4) (and (<= 3 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 3))) (or (<= 4 |fibo1_#in~n|) (and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))) (not (<= |fibo1_#in~n| 1)) (= fibo1_~n |fibo1_#in~n|)) [2020-07-17 22:20:57,839 INFO L268 CegarLoopResult]: For program point fibo1FINAL(lines 7 15) no Hoare annotation was computed. [2020-07-17 22:20:57,839 INFO L268 CegarLoopResult]: For program point L10(lines 10 14) no Hoare annotation was computed. [2020-07-17 22:20:57,839 INFO L268 CegarLoopResult]: For program point L13-3(line 13) no Hoare annotation was computed. [2020-07-17 22:20:57,839 INFO L268 CegarLoopResult]: For program point L8(lines 8 14) no Hoare annotation was computed. [2020-07-17 22:20:57,839 INFO L268 CegarLoopResult]: For program point fibo1EXIT(lines 7 15) no Hoare annotation was computed. [2020-07-17 22:20:57,844 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-17 22:20:57,850 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2020-07-17 22:20:57,850 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-17 22:20:57,850 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-17 22:20:57,850 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 22:20:57,851 WARN L170 areAnnotationChecker]: L37-1 has no Hoare annotation [2020-07-17 22:20:57,851 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2020-07-17 22:20:57,851 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2020-07-17 22:20:57,851 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-17 22:20:57,851 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-17 22:20:57,851 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 22:20:57,851 WARN L170 areAnnotationChecker]: L37-1 has no Hoare annotation [2020-07-17 22:20:57,851 WARN L170 areAnnotationChecker]: fibo2FINAL has no Hoare annotation [2020-07-17 22:20:57,851 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2020-07-17 22:20:57,852 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2020-07-17 22:20:57,852 WARN L170 areAnnotationChecker]: fibo1FINAL has no Hoare annotation [2020-07-17 22:20:57,852 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2020-07-17 22:20:57,852 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2020-07-17 22:20:57,852 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-17 22:20:57,852 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-17 22:20:57,852 WARN L170 areAnnotationChecker]: fibo2EXIT has no Hoare annotation [2020-07-17 22:20:57,852 WARN L170 areAnnotationChecker]: fibo2EXIT has no Hoare annotation [2020-07-17 22:20:57,852 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2020-07-17 22:20:57,852 WARN L170 areAnnotationChecker]: fibo1EXIT has no Hoare annotation [2020-07-17 22:20:57,853 WARN L170 areAnnotationChecker]: fibo1EXIT has no Hoare annotation [2020-07-17 22:20:57,853 WARN L170 areAnnotationChecker]: fibo1EXIT has no Hoare annotation [2020-07-17 22:20:57,853 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-17 22:20:57,853 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-17 22:20:57,853 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-17 22:20:57,853 WARN L170 areAnnotationChecker]: L38-2 has no Hoare annotation [2020-07-17 22:20:57,853 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-17 22:20:57,853 WARN L170 areAnnotationChecker]: L13-3 has no Hoare annotation [2020-07-17 22:20:57,854 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2020-07-17 22:20:57,854 WARN L170 areAnnotationChecker]: L23-3 has no Hoare annotation [2020-07-17 22:20:57,854 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-17 22:20:57,854 WARN L170 areAnnotationChecker]: L13-3 has no Hoare annotation [2020-07-17 22:20:57,854 WARN L170 areAnnotationChecker]: L23-3 has no Hoare annotation [2020-07-17 22:20:57,854 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-17 22:20:57,854 INFO L163 areAnnotationChecker]: CFG has 8 edges. 8 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-17 22:20:57,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 10:20:57 BoogieIcfgContainer [2020-07-17 22:20:57,858 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 22:20:57,867 INFO L168 Benchmark]: Toolchain (without parser) took 38775.65 ms. Allocated memory was 140.0 MB in the beginning and 487.1 MB in the end (delta: 347.1 MB). Free memory was 105.0 MB in the beginning and 329.4 MB in the end (delta: -224.4 MB). Peak memory consumption was 122.7 MB. Max. memory is 7.1 GB. [2020-07-17 22:20:57,867 INFO L168 Benchmark]: CDTParser took 1.49 ms. Allocated memory is still 140.0 MB. Free memory is still 122.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-17 22:20:57,868 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.70 ms. Allocated memory is still 140.0 MB. Free memory was 104.5 MB in the beginning and 94.9 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2020-07-17 22:20:57,868 INFO L168 Benchmark]: Boogie Preprocessor took 29.47 ms. Allocated memory is still 140.0 MB. Free memory was 94.9 MB in the beginning and 93.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2020-07-17 22:20:57,869 INFO L168 Benchmark]: RCFGBuilder took 451.71 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 93.2 MB in the beginning and 163.3 MB in the end (delta: -70.1 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2020-07-17 22:20:57,872 INFO L168 Benchmark]: TraceAbstraction took 37966.48 ms. Allocated memory was 202.9 MB in the beginning and 487.1 MB in the end (delta: 284.2 MB). Free memory was 162.3 MB in the beginning and 329.4 MB in the end (delta: -167.0 MB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. [2020-07-17 22:20:57,876 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 1.49 ms. Allocated memory is still 140.0 MB. Free memory is still 122.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 320.70 ms. Allocated memory is still 140.0 MB. Free memory was 104.5 MB in the beginning and 94.9 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.47 ms. Allocated memory is still 140.0 MB. Free memory was 94.9 MB in the beginning and 93.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 451.71 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 93.2 MB in the beginning and 163.3 MB in the end (delta: -70.1 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 37966.48 ms. Allocated memory was 202.9 MB in the beginning and 487.1 MB in the end (delta: 284.2 MB). Free memory was 162.3 MB in the beginning and 329.4 MB in the end (delta: -167.0 MB). Peak memory consumption was 117.1 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 35.9s, OverallIterations: 13, TraceHistogramMax: 11, AutomataDifference: 20.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 415 SDtfs, 551 SDslu, 3323 SDs, 0 SdLazy, 3646 SolverSat, 542 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1414 GetRequests, 1157 SyntacticMatches, 9 SemanticMatches, 248 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 834 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 13 MinimizatonAttempts, 142 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 485 PreInvPairs, 670 NumberOfFragments, 101 HoareAnnotationTreeSize, 485 FomulaSimplifications, 4493 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 11 FomulaSimplificationsInter, 3711 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 9.2s InterpolantComputationTime, 1819 NumberOfCodeBlocks, 1819 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 1795 ConstructedInterpolants, 0 QuantifiedInterpolants, 356001 SizeOfPredicates, 46 NumberOfNonLiveVariables, 2001 ConjunctsInSsa, 153 ConjunctsInUnsatCore, 24 InterpolantComputations, 2 PerfectInterpolantSequences, 3009/4148 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...