/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_6-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 22:20:33,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 22:20:33,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 22:20:33,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 22:20:33,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 22:20:33,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 22:20:33,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 22:20:33,867 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 22:20:33,868 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 22:20:33,869 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 22:20:33,870 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 22:20:33,871 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 22:20:33,871 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 22:20:33,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 22:20:33,874 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 22:20:33,875 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 22:20:33,875 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 22:20:33,876 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 22:20:33,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 22:20:33,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 22:20:33,882 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 22:20:33,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 22:20:33,884 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 22:20:33,885 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 22:20:33,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 22:20:33,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 22:20:33,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 22:20:33,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 22:20:33,898 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 22:20:33,913 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 22:20:33,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 22:20:33,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 22:20:33,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 22:20:33,915 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 22:20:33,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 22:20:33,915 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 22:20:33,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 22:20:33,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 22:20:33,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 22:20:33,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 22:20:33,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 22:20:33,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 22:20:33,917 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 22:20:33,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 22:20:33,917 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 22:20:33,917 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 22:20:33,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 22:20:33,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 22:20:33,918 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 22:20:33,918 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 22:20:33,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:20:33,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 22:20:33,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 22:20:33,919 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 22:20:33,919 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 22:20:33,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 22:20:33,919 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 22:20:33,920 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 22:20:33,920 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 22:20:34,233 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 22:20:34,249 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 22:20:34,253 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 22:20:34,254 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 22:20:34,255 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 22:20:34,255 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_6-2.c [2020-07-17 22:20:34,318 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e395173d/75a719ad045f404c90b592e0348fdee8/FLAG115870660 [2020-07-17 22:20:34,749 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 22:20:34,749 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/fibo_2calls_6-2.c [2020-07-17 22:20:34,757 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e395173d/75a719ad045f404c90b592e0348fdee8/FLAG115870660 [2020-07-17 22:20:35,128 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e395173d/75a719ad045f404c90b592e0348fdee8 [2020-07-17 22:20:35,136 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 22:20:35,139 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 22:20:35,140 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 22:20:35,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 22:20:35,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 22:20:35,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:20:35" (1/1) ... [2020-07-17 22:20:35,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@161b7128 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:20:35, skipping insertion in model container [2020-07-17 22:20:35,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:20:35" (1/1) ... [2020-07-17 22:20:35,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 22:20:35,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 22:20:35,375 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:20:35,379 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 22:20:35,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:20:35,415 INFO L208 MainTranslator]: Completed translation [2020-07-17 22:20:35,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:20:35 WrapperNode [2020-07-17 22:20:35,416 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 22:20:35,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 22:20:35,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 22:20:35,417 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 22:20:35,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:20:35" (1/1) ... [2020-07-17 22:20:35,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:20:35" (1/1) ... [2020-07-17 22:20:35,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:20:35" (1/1) ... [2020-07-17 22:20:35,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:20:35" (1/1) ... [2020-07-17 22:20:35,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:20:35" (1/1) ... [2020-07-17 22:20:35,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:20:35" (1/1) ... [2020-07-17 22:20:35,447 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:20:35" (1/1) ... [2020-07-17 22:20:35,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 22:20:35,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 22:20:35,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 22:20:35,450 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 22:20:35,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:20:35" (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 22:20:35,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 22:20:35,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 22:20:35,607 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-07-17 22:20:35,607 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-07-17 22:20:35,607 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 22:20:35,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 22:20:35,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 22:20:35,607 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-07-17 22:20:35,608 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-07-17 22:20:35,608 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 22:20:35,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 22:20:35,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 22:20:35,912 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 22:20:35,913 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-17 22:20:35,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:20:35 BoogieIcfgContainer [2020-07-17 22:20:35,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 22:20:35,919 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 22:20:35,919 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 22:20:35,923 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 22:20:35,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 10:20:35" (1/3) ... [2020-07-17 22:20:35,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5579d59f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:20:35, skipping insertion in model container [2020-07-17 22:20:35,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:20:35" (2/3) ... [2020-07-17 22:20:35,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5579d59f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:20:35, skipping insertion in model container [2020-07-17 22:20:35,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:20:35" (3/3) ... [2020-07-17 22:20:35,927 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_6-2.c [2020-07-17 22:20:35,943 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 22:20:35,954 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 22:20:35,977 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 22:20:36,007 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 22:20:36,008 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 22:20:36,008 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 22:20:36,008 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 22:20:36,008 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 22:20:36,008 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 22:20:36,009 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 22:20:36,009 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 22:20:36,034 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-07-17 22:20:36,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-17 22:20:36,042 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:20:36,044 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:20:36,044 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:20:36,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:20:36,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-07-17 22:20:36,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:20:36,080 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716319675] [2020-07-17 22:20:36,084 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:20:36,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:36,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:36,280 INFO L280 TraceCheckUtils]: 0: Hoare triple {36#true} assume true; {36#true} is VALID [2020-07-17 22:20:36,281 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {36#true} {36#true} #47#return; {36#true} is VALID [2020-07-17 22:20:36,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:36,346 INFO L280 TraceCheckUtils]: 0: Hoare triple {36#true} ~n := #in~n; {45#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,348 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 22:20:36,349 INFO L280 TraceCheckUtils]: 2: Hoare triple {46#(<= |fibo1_#in~n| 0)} assume true; {46#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:36,352 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {46#(<= |fibo1_#in~n| 0)} {40#(<= 6 main_~x~0)} #51#return; {37#false} is VALID [2020-07-17 22:20:36,353 INFO L263 TraceCheckUtils]: 0: Hoare triple {36#true} call ULTIMATE.init(); {36#true} is VALID [2020-07-17 22:20:36,354 INFO L280 TraceCheckUtils]: 1: Hoare triple {36#true} assume true; {36#true} is VALID [2020-07-17 22:20:36,354 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {36#true} {36#true} #47#return; {36#true} is VALID [2020-07-17 22:20:36,355 INFO L263 TraceCheckUtils]: 3: Hoare triple {36#true} call #t~ret5 := main(); {36#true} is VALID [2020-07-17 22:20:36,356 INFO L280 TraceCheckUtils]: 4: Hoare triple {36#true} ~x~0 := 6; {40#(<= 6 main_~x~0)} is VALID [2020-07-17 22:20:36,357 INFO L263 TraceCheckUtils]: 5: Hoare triple {40#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {36#true} is VALID [2020-07-17 22:20:36,358 INFO L280 TraceCheckUtils]: 6: Hoare triple {36#true} ~n := #in~n; {45#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:36,359 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 22:20:36,361 INFO L280 TraceCheckUtils]: 8: Hoare triple {46#(<= |fibo1_#in~n| 0)} assume true; {46#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:36,363 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {46#(<= |fibo1_#in~n| 0)} {40#(<= 6 main_~x~0)} #51#return; {37#false} is VALID [2020-07-17 22:20:36,364 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 22:20:36,364 INFO L280 TraceCheckUtils]: 11: Hoare triple {37#false} assume 8 == ~result~0; {37#false} is VALID [2020-07-17 22:20:36,365 INFO L280 TraceCheckUtils]: 12: Hoare triple {37#false} assume !false; {37#false} is VALID [2020-07-17 22:20:36,366 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 22:20:36,368 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716319675] [2020-07-17 22:20:36,369 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:20:36,369 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 22:20:36,370 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934157362] [2020-07-17 22:20:36,378 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-07-17 22:20:36,381 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:20:36,386 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-17 22:20:36,415 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 22:20:36,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 22:20:36,416 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:20:36,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 22:20:36,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-17 22:20:36,430 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-07-17 22:20:36,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:36,742 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-07-17 22:20:36,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 22:20:36,743 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-07-17 22:20:36,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:20:36,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-17 22:20:36,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 53 transitions. [2020-07-17 22:20:36,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-17 22:20:36,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 53 transitions. [2020-07-17 22:20:36,762 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 53 transitions. [2020-07-17 22:20:36,859 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 22:20:36,874 INFO L225 Difference]: With dead ends: 44 [2020-07-17 22:20:36,875 INFO L226 Difference]: Without dead ends: 30 [2020-07-17 22:20:36,883 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 22:20:36,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-07-17 22:20:36,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-07-17 22:20:36,940 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:20:36,941 INFO L82 GeneralOperation]: Start isEquivalent. First operand 30 states. Second operand 30 states. [2020-07-17 22:20:36,942 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand 30 states. [2020-07-17 22:20:36,942 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 30 states. [2020-07-17 22:20:36,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:36,950 INFO L93 Difference]: Finished difference Result 30 states and 37 transitions. [2020-07-17 22:20:36,950 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-07-17 22:20:36,951 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:36,952 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:36,952 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand 30 states. [2020-07-17 22:20:36,952 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 30 states. [2020-07-17 22:20:36,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:36,959 INFO L93 Difference]: Finished difference Result 30 states and 37 transitions. [2020-07-17 22:20:36,959 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-07-17 22:20:36,960 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:36,960 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:36,961 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:20:36,961 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:20:36,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-07-17 22:20:36,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-07-17 22:20:36,967 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-07-17 22:20:36,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:20:36,968 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-07-17 22:20:36,968 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 22:20:36,969 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-07-17 22:20:36,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-17 22:20:36,970 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:20:36,970 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:20:36,970 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 22:20:36,971 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:20:36,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:20:36,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-07-17 22:20:36,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:20:36,972 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885723051] [2020-07-17 22:20:36,972 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:20:36,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:37,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:37,024 INFO L280 TraceCheckUtils]: 0: Hoare triple {207#true} assume true; {207#true} is VALID [2020-07-17 22:20:37,025 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {207#true} {207#true} #47#return; {207#true} is VALID [2020-07-17 22:20:37,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:37,061 INFO L280 TraceCheckUtils]: 0: Hoare triple {207#true} ~n := #in~n; {217#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:37,062 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 22:20:37,064 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 22:20:37,064 INFO L280 TraceCheckUtils]: 3: Hoare triple {218#(<= |fibo1_#in~n| 1)} assume true; {218#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:37,066 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {218#(<= |fibo1_#in~n| 1)} {211#(<= 6 main_~x~0)} #51#return; {208#false} is VALID [2020-07-17 22:20:37,067 INFO L263 TraceCheckUtils]: 0: Hoare triple {207#true} call ULTIMATE.init(); {207#true} is VALID [2020-07-17 22:20:37,067 INFO L280 TraceCheckUtils]: 1: Hoare triple {207#true} assume true; {207#true} is VALID [2020-07-17 22:20:37,067 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {207#true} {207#true} #47#return; {207#true} is VALID [2020-07-17 22:20:37,068 INFO L263 TraceCheckUtils]: 3: Hoare triple {207#true} call #t~ret5 := main(); {207#true} is VALID [2020-07-17 22:20:37,069 INFO L280 TraceCheckUtils]: 4: Hoare triple {207#true} ~x~0 := 6; {211#(<= 6 main_~x~0)} is VALID [2020-07-17 22:20:37,069 INFO L263 TraceCheckUtils]: 5: Hoare triple {211#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {207#true} is VALID [2020-07-17 22:20:37,070 INFO L280 TraceCheckUtils]: 6: Hoare triple {207#true} ~n := #in~n; {217#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:37,071 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 22:20:37,072 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 22:20:37,073 INFO L280 TraceCheckUtils]: 9: Hoare triple {218#(<= |fibo1_#in~n| 1)} assume true; {218#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:37,074 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {218#(<= |fibo1_#in~n| 1)} {211#(<= 6 main_~x~0)} #51#return; {208#false} is VALID [2020-07-17 22:20:37,075 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 22:20:37,075 INFO L280 TraceCheckUtils]: 12: Hoare triple {208#false} assume 8 == ~result~0; {208#false} is VALID [2020-07-17 22:20:37,075 INFO L280 TraceCheckUtils]: 13: Hoare triple {208#false} assume !false; {208#false} is VALID [2020-07-17 22:20:37,076 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 22:20:37,077 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885723051] [2020-07-17 22:20:37,077 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:20:37,077 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 22:20:37,077 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323579568] [2020-07-17 22:20:37,079 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-07-17 22:20:37,080 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:20:37,080 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-17 22:20:37,099 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 22:20:37,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 22:20:37,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:20:37,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 22:20:37,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-17 22:20:37,101 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-07-17 22:20:37,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:37,287 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-07-17 22:20:37,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 22:20:37,288 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-07-17 22:20:37,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:20:37,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-17 22:20:37,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2020-07-17 22:20:37,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-17 22:20:37,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2020-07-17 22:20:37,294 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 41 transitions. [2020-07-17 22:20:37,345 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 22:20:37,348 INFO L225 Difference]: With dead ends: 36 [2020-07-17 22:20:37,348 INFO L226 Difference]: Without dead ends: 32 [2020-07-17 22:20:37,349 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 22:20:37,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-07-17 22:20:37,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-07-17 22:20:37,362 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:20:37,362 INFO L82 GeneralOperation]: Start isEquivalent. First operand 32 states. Second operand 30 states. [2020-07-17 22:20:37,362 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand 30 states. [2020-07-17 22:20:37,363 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 30 states. [2020-07-17 22:20:37,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:37,367 INFO L93 Difference]: Finished difference Result 32 states and 40 transitions. [2020-07-17 22:20:37,367 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2020-07-17 22:20:37,368 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:37,368 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:37,368 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand 32 states. [2020-07-17 22:20:37,369 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 32 states. [2020-07-17 22:20:37,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:37,372 INFO L93 Difference]: Finished difference Result 32 states and 40 transitions. [2020-07-17 22:20:37,372 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2020-07-17 22:20:37,373 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:37,374 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:37,374 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:20:37,374 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:20:37,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-07-17 22:20:37,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-07-17 22:20:37,377 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-07-17 22:20:37,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:20:37,377 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-07-17 22:20:37,377 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 22:20:37,378 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-07-17 22:20:37,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-17 22:20:37,379 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:20:37,379 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 22:20:37,380 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 22:20:37,380 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:20:37,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:20:37,380 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-07-17 22:20:37,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:20:37,381 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561065044] [2020-07-17 22:20:37,381 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:20:37,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:37,434 INFO L280 TraceCheckUtils]: 0: Hoare triple {375#true} assume true; {375#true} is VALID [2020-07-17 22:20:37,434 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {375#true} {375#true} #47#return; {375#true} is VALID [2020-07-17 22:20:37,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:37,542 INFO L280 TraceCheckUtils]: 0: Hoare triple {375#true} ~n := #in~n; {407#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:37,543 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 22:20:37,544 INFO L280 TraceCheckUtils]: 2: Hoare triple {408#(<= |fibo2_#in~n| 0)} assume true; {408#(<= |fibo2_#in~n| 0)} is VALID [2020-07-17 22:20:37,546 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {408#(<= |fibo2_#in~n| 0)} {398#(< 1 fibo1_~n)} #57#return; {376#false} is VALID [2020-07-17 22:20:37,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:37,560 INFO L280 TraceCheckUtils]: 0: Hoare triple {375#true} ~n := #in~n; {375#true} is VALID [2020-07-17 22:20:37,561 INFO L280 TraceCheckUtils]: 1: Hoare triple {375#true} assume ~n < 1;#res := 0; {375#true} is VALID [2020-07-17 22:20:37,561 INFO L280 TraceCheckUtils]: 2: Hoare triple {375#true} assume true; {375#true} is VALID [2020-07-17 22:20:37,561 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {375#true} {376#false} #59#return; {376#false} is VALID [2020-07-17 22:20:37,562 INFO L280 TraceCheckUtils]: 0: Hoare triple {375#true} ~n := #in~n; {375#true} is VALID [2020-07-17 22:20:37,566 INFO L280 TraceCheckUtils]: 1: Hoare triple {375#true} assume !(~n < 1); {397#(< 0 fibo1_~n)} is VALID [2020-07-17 22:20:37,567 INFO L280 TraceCheckUtils]: 2: Hoare triple {397#(< 0 fibo1_~n)} assume !(1 == ~n); {398#(< 1 fibo1_~n)} is VALID [2020-07-17 22:20:37,567 INFO L263 TraceCheckUtils]: 3: Hoare triple {398#(< 1 fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {375#true} is VALID [2020-07-17 22:20:37,567 INFO L280 TraceCheckUtils]: 4: Hoare triple {375#true} ~n := #in~n; {407#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:37,568 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 22:20:37,569 INFO L280 TraceCheckUtils]: 6: Hoare triple {408#(<= |fibo2_#in~n| 0)} assume true; {408#(<= |fibo2_#in~n| 0)} is VALID [2020-07-17 22:20:37,571 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {408#(<= |fibo2_#in~n| 0)} {398#(< 1 fibo1_~n)} #57#return; {376#false} is VALID [2020-07-17 22:20:37,571 INFO L280 TraceCheckUtils]: 8: Hoare triple {376#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {376#false} is VALID [2020-07-17 22:20:37,571 INFO L263 TraceCheckUtils]: 9: Hoare triple {376#false} call #t~ret1 := fibo2(~n - 2); {375#true} is VALID [2020-07-17 22:20:37,572 INFO L280 TraceCheckUtils]: 10: Hoare triple {375#true} ~n := #in~n; {375#true} is VALID [2020-07-17 22:20:37,572 INFO L280 TraceCheckUtils]: 11: Hoare triple {375#true} assume ~n < 1;#res := 0; {375#true} is VALID [2020-07-17 22:20:37,572 INFO L280 TraceCheckUtils]: 12: Hoare triple {375#true} assume true; {375#true} is VALID [2020-07-17 22:20:37,573 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {375#true} {376#false} #59#return; {376#false} is VALID [2020-07-17 22:20:37,573 INFO L280 TraceCheckUtils]: 14: Hoare triple {376#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {376#false} is VALID [2020-07-17 22:20:37,573 INFO L280 TraceCheckUtils]: 15: Hoare triple {376#false} assume true; {376#false} is VALID [2020-07-17 22:20:37,574 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {376#false} {379#(<= 6 main_~x~0)} #51#return; {376#false} is VALID [2020-07-17 22:20:37,575 INFO L263 TraceCheckUtils]: 0: Hoare triple {375#true} call ULTIMATE.init(); {375#true} is VALID [2020-07-17 22:20:37,575 INFO L280 TraceCheckUtils]: 1: Hoare triple {375#true} assume true; {375#true} is VALID [2020-07-17 22:20:37,575 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {375#true} {375#true} #47#return; {375#true} is VALID [2020-07-17 22:20:37,576 INFO L263 TraceCheckUtils]: 3: Hoare triple {375#true} call #t~ret5 := main(); {375#true} is VALID [2020-07-17 22:20:37,577 INFO L280 TraceCheckUtils]: 4: Hoare triple {375#true} ~x~0 := 6; {379#(<= 6 main_~x~0)} is VALID [2020-07-17 22:20:37,577 INFO L263 TraceCheckUtils]: 5: Hoare triple {379#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {375#true} is VALID [2020-07-17 22:20:37,577 INFO L280 TraceCheckUtils]: 6: Hoare triple {375#true} ~n := #in~n; {375#true} is VALID [2020-07-17 22:20:37,579 INFO L280 TraceCheckUtils]: 7: Hoare triple {375#true} assume !(~n < 1); {397#(< 0 fibo1_~n)} is VALID [2020-07-17 22:20:37,580 INFO L280 TraceCheckUtils]: 8: Hoare triple {397#(< 0 fibo1_~n)} assume !(1 == ~n); {398#(< 1 fibo1_~n)} is VALID [2020-07-17 22:20:37,581 INFO L263 TraceCheckUtils]: 9: Hoare triple {398#(< 1 fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {375#true} is VALID [2020-07-17 22:20:37,581 INFO L280 TraceCheckUtils]: 10: Hoare triple {375#true} ~n := #in~n; {407#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:37,583 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 22:20:37,585 INFO L280 TraceCheckUtils]: 12: Hoare triple {408#(<= |fibo2_#in~n| 0)} assume true; {408#(<= |fibo2_#in~n| 0)} is VALID [2020-07-17 22:20:37,586 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {408#(<= |fibo2_#in~n| 0)} {398#(< 1 fibo1_~n)} #57#return; {376#false} is VALID [2020-07-17 22:20:37,587 INFO L280 TraceCheckUtils]: 14: Hoare triple {376#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {376#false} is VALID [2020-07-17 22:20:37,587 INFO L263 TraceCheckUtils]: 15: Hoare triple {376#false} call #t~ret1 := fibo2(~n - 2); {375#true} is VALID [2020-07-17 22:20:37,587 INFO L280 TraceCheckUtils]: 16: Hoare triple {375#true} ~n := #in~n; {375#true} is VALID [2020-07-17 22:20:37,588 INFO L280 TraceCheckUtils]: 17: Hoare triple {375#true} assume ~n < 1;#res := 0; {375#true} is VALID [2020-07-17 22:20:37,588 INFO L280 TraceCheckUtils]: 18: Hoare triple {375#true} assume true; {375#true} is VALID [2020-07-17 22:20:37,588 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {375#true} {376#false} #59#return; {376#false} is VALID [2020-07-17 22:20:37,589 INFO L280 TraceCheckUtils]: 20: Hoare triple {376#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {376#false} is VALID [2020-07-17 22:20:37,589 INFO L280 TraceCheckUtils]: 21: Hoare triple {376#false} assume true; {376#false} is VALID [2020-07-17 22:20:37,589 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {376#false} {379#(<= 6 main_~x~0)} #51#return; {376#false} is VALID [2020-07-17 22:20:37,590 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 22:20:37,591 INFO L280 TraceCheckUtils]: 24: Hoare triple {376#false} assume 8 == ~result~0; {376#false} is VALID [2020-07-17 22:20:37,591 INFO L280 TraceCheckUtils]: 25: Hoare triple {376#false} assume !false; {376#false} is VALID [2020-07-17 22:20:37,592 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 22:20:37,593 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561065044] [2020-07-17 22:20:37,593 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198612579] [2020-07-17 22:20:37,593 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 22:20:37,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:37,640 INFO L264 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-17 22:20:37,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:37,656 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 22:20:37,804 INFO L263 TraceCheckUtils]: 0: Hoare triple {375#true} call ULTIMATE.init(); {375#true} is VALID [2020-07-17 22:20:37,804 INFO L280 TraceCheckUtils]: 1: Hoare triple {375#true} assume true; {375#true} is VALID [2020-07-17 22:20:37,805 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {375#true} {375#true} #47#return; {375#true} is VALID [2020-07-17 22:20:37,805 INFO L263 TraceCheckUtils]: 3: Hoare triple {375#true} call #t~ret5 := main(); {375#true} is VALID [2020-07-17 22:20:37,806 INFO L280 TraceCheckUtils]: 4: Hoare triple {375#true} ~x~0 := 6; {379#(<= 6 main_~x~0)} is VALID [2020-07-17 22:20:37,807 INFO L263 TraceCheckUtils]: 5: Hoare triple {379#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {375#true} is VALID [2020-07-17 22:20:37,808 INFO L280 TraceCheckUtils]: 6: Hoare triple {375#true} ~n := #in~n; {430#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:37,808 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 22:20:37,809 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 22:20:37,810 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 22:20:37,811 INFO L280 TraceCheckUtils]: 10: Hoare triple {375#true} ~n := #in~n; {443#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:37,812 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 22:20:37,812 INFO L280 TraceCheckUtils]: 12: Hoare triple {408#(<= |fibo2_#in~n| 0)} assume true; {408#(<= |fibo2_#in~n| 0)} is VALID [2020-07-17 22:20:37,815 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 22:20:37,816 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 22:20:37,816 INFO L263 TraceCheckUtils]: 15: Hoare triple {453#(<= |fibo1_#in~n| 1)} call #t~ret1 := fibo2(~n - 2); {375#true} is VALID [2020-07-17 22:20:37,817 INFO L280 TraceCheckUtils]: 16: Hoare triple {375#true} ~n := #in~n; {375#true} is VALID [2020-07-17 22:20:37,817 INFO L280 TraceCheckUtils]: 17: Hoare triple {375#true} assume ~n < 1;#res := 0; {375#true} is VALID [2020-07-17 22:20:37,817 INFO L280 TraceCheckUtils]: 18: Hoare triple {375#true} assume true; {375#true} is VALID [2020-07-17 22:20:37,819 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 22:20:37,820 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~ret1;havoc #t~ret0; {453#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:37,821 INFO L280 TraceCheckUtils]: 21: Hoare triple {453#(<= |fibo1_#in~n| 1)} assume true; {453#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:37,823 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {453#(<= |fibo1_#in~n| 1)} {379#(<= 6 main_~x~0)} #51#return; {376#false} is VALID [2020-07-17 22:20:37,823 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 22:20:37,824 INFO L280 TraceCheckUtils]: 24: Hoare triple {376#false} assume 8 == ~result~0; {376#false} is VALID [2020-07-17 22:20:37,824 INFO L280 TraceCheckUtils]: 25: Hoare triple {376#false} assume !false; {376#false} is VALID [2020-07-17 22:20:37,826 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 22:20:37,826 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 22:20:37,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-17 22:20:37,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371705696] [2020-07-17 22:20:37,828 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2020-07-17 22:20:37,829 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:20:37,829 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2020-07-17 22:20:37,880 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 22:20:37,881 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 22:20:37,881 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:20:37,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 22:20:37,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-07-17 22:20:37,882 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 10 states. [2020-07-17 22:20:38,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:38,494 INFO L93 Difference]: Finished difference Result 58 states and 78 transitions. [2020-07-17 22:20:38,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 22:20:38,494 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2020-07-17 22:20:38,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:20:38,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-17 22:20:38,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 75 transitions. [2020-07-17 22:20:38,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-17 22:20:38,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 75 transitions. [2020-07-17 22:20:38,503 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 75 transitions. [2020-07-17 22:20:38,597 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 22:20:38,600 INFO L225 Difference]: With dead ends: 58 [2020-07-17 22:20:38,600 INFO L226 Difference]: Without dead ends: 34 [2020-07-17 22:20:38,601 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 22:20:38,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-07-17 22:20:38,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-07-17 22:20:38,619 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:20:38,619 INFO L82 GeneralOperation]: Start isEquivalent. First operand 34 states. Second operand 32 states. [2020-07-17 22:20:38,619 INFO L74 IsIncluded]: Start isIncluded. First operand 34 states. Second operand 32 states. [2020-07-17 22:20:38,619 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 32 states. [2020-07-17 22:20:38,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:38,623 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2020-07-17 22:20:38,623 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2020-07-17 22:20:38,624 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:38,624 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:38,624 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand 34 states. [2020-07-17 22:20:38,624 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 34 states. [2020-07-17 22:20:38,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:38,628 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2020-07-17 22:20:38,628 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2020-07-17 22:20:38,629 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:38,629 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:38,629 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:20:38,629 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:20:38,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-07-17 22:20:38,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-07-17 22:20:38,632 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 26 [2020-07-17 22:20:38,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:20:38,633 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-07-17 22:20:38,633 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 22:20:38,633 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-07-17 22:20:38,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-17 22:20:38,635 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:20:38,635 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 22:20:38,849 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-17 22:20:38,850 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:20:38,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:20:38,851 INFO L82 PathProgramCache]: Analyzing trace with hash 746633022, now seen corresponding path program 1 times [2020-07-17 22:20:38,852 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:20:38,852 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030569674] [2020-07-17 22:20:38,852 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:20:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:38,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:38,897 INFO L280 TraceCheckUtils]: 0: Hoare triple {685#true} assume true; {685#true} is VALID [2020-07-17 22:20:38,898 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {685#true} {685#true} #47#return; {685#true} is VALID [2020-07-17 22:20:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:38,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:38,965 INFO L280 TraceCheckUtils]: 0: Hoare triple {685#true} ~n := #in~n; {719#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:38,966 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 22:20:38,966 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 22:20:38,967 INFO L280 TraceCheckUtils]: 3: Hoare triple {720#(<= |fibo2_#in~n| 1)} assume true; {720#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:38,969 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 22:20:38,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:38,975 INFO L280 TraceCheckUtils]: 0: Hoare triple {685#true} ~n := #in~n; {685#true} is VALID [2020-07-17 22:20:38,976 INFO L280 TraceCheckUtils]: 1: Hoare triple {685#true} assume ~n < 1;#res := 0; {685#true} is VALID [2020-07-17 22:20:38,976 INFO L280 TraceCheckUtils]: 2: Hoare triple {685#true} assume true; {685#true} is VALID [2020-07-17 22:20:38,978 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 22:20:38,979 INFO L280 TraceCheckUtils]: 0: Hoare triple {685#true} ~n := #in~n; {708#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:38,979 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 22:20:38,980 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 22:20:38,980 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 22:20:38,981 INFO L280 TraceCheckUtils]: 4: Hoare triple {685#true} ~n := #in~n; {719#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:38,981 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 22:20:38,982 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 22:20:38,983 INFO L280 TraceCheckUtils]: 7: Hoare triple {720#(<= |fibo2_#in~n| 1)} assume true; {720#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:38,984 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 22:20:38,985 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 22:20:38,985 INFO L263 TraceCheckUtils]: 10: Hoare triple {714#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {685#true} is VALID [2020-07-17 22:20:38,986 INFO L280 TraceCheckUtils]: 11: Hoare triple {685#true} ~n := #in~n; {685#true} is VALID [2020-07-17 22:20:38,986 INFO L280 TraceCheckUtils]: 12: Hoare triple {685#true} assume ~n < 1;#res := 0; {685#true} is VALID [2020-07-17 22:20:38,986 INFO L280 TraceCheckUtils]: 13: Hoare triple {685#true} assume true; {685#true} is VALID [2020-07-17 22:20:38,987 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 22:20:38,988 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~ret1;havoc #t~ret0; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:38,988 INFO L280 TraceCheckUtils]: 16: Hoare triple {714#(<= |fibo1_#in~n| 2)} assume true; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:38,989 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {714#(<= |fibo1_#in~n| 2)} {689#(<= 6 main_~x~0)} #51#return; {686#false} is VALID [2020-07-17 22:20:38,990 INFO L263 TraceCheckUtils]: 0: Hoare triple {685#true} call ULTIMATE.init(); {685#true} is VALID [2020-07-17 22:20:38,990 INFO L280 TraceCheckUtils]: 1: Hoare triple {685#true} assume true; {685#true} is VALID [2020-07-17 22:20:38,991 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {685#true} {685#true} #47#return; {685#true} is VALID [2020-07-17 22:20:38,991 INFO L263 TraceCheckUtils]: 3: Hoare triple {685#true} call #t~ret5 := main(); {685#true} is VALID [2020-07-17 22:20:38,992 INFO L280 TraceCheckUtils]: 4: Hoare triple {685#true} ~x~0 := 6; {689#(<= 6 main_~x~0)} is VALID [2020-07-17 22:20:38,992 INFO L263 TraceCheckUtils]: 5: Hoare triple {689#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {685#true} is VALID [2020-07-17 22:20:38,993 INFO L280 TraceCheckUtils]: 6: Hoare triple {685#true} ~n := #in~n; {708#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:38,993 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 22:20:38,994 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 22:20:38,994 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 22:20:38,995 INFO L280 TraceCheckUtils]: 10: Hoare triple {685#true} ~n := #in~n; {719#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:38,995 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 22:20:38,996 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 22:20:38,997 INFO L280 TraceCheckUtils]: 13: Hoare triple {720#(<= |fibo2_#in~n| 1)} assume true; {720#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:38,998 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 22:20:38,999 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 22:20:38,999 INFO L263 TraceCheckUtils]: 16: Hoare triple {714#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {685#true} is VALID [2020-07-17 22:20:38,999 INFO L280 TraceCheckUtils]: 17: Hoare triple {685#true} ~n := #in~n; {685#true} is VALID [2020-07-17 22:20:39,000 INFO L280 TraceCheckUtils]: 18: Hoare triple {685#true} assume ~n < 1;#res := 0; {685#true} is VALID [2020-07-17 22:20:39,000 INFO L280 TraceCheckUtils]: 19: Hoare triple {685#true} assume true; {685#true} is VALID [2020-07-17 22:20:39,001 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 22:20:39,002 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~ret1;havoc #t~ret0; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:39,002 INFO L280 TraceCheckUtils]: 22: Hoare triple {714#(<= |fibo1_#in~n| 2)} assume true; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:39,003 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {714#(<= |fibo1_#in~n| 2)} {689#(<= 6 main_~x~0)} #51#return; {686#false} is VALID [2020-07-17 22:20:39,004 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 22:20:39,004 INFO L280 TraceCheckUtils]: 25: Hoare triple {686#false} assume 8 == ~result~0; {686#false} is VALID [2020-07-17 22:20:39,004 INFO L280 TraceCheckUtils]: 26: Hoare triple {686#false} assume !false; {686#false} is VALID [2020-07-17 22:20:39,006 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 22:20:39,006 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030569674] [2020-07-17 22:20:39,006 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [88641373] [2020-07-17 22:20:39,006 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 22:20:39,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:39,031 INFO L264 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-17 22:20:39,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:39,046 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 22:20:39,150 INFO L263 TraceCheckUtils]: 0: Hoare triple {685#true} call ULTIMATE.init(); {685#true} is VALID [2020-07-17 22:20:39,151 INFO L280 TraceCheckUtils]: 1: Hoare triple {685#true} assume true; {685#true} is VALID [2020-07-17 22:20:39,151 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {685#true} {685#true} #47#return; {685#true} is VALID [2020-07-17 22:20:39,151 INFO L263 TraceCheckUtils]: 3: Hoare triple {685#true} call #t~ret5 := main(); {685#true} is VALID [2020-07-17 22:20:39,152 INFO L280 TraceCheckUtils]: 4: Hoare triple {685#true} ~x~0 := 6; {689#(<= 6 main_~x~0)} is VALID [2020-07-17 22:20:39,152 INFO L263 TraceCheckUtils]: 5: Hoare triple {689#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {685#true} is VALID [2020-07-17 22:20:39,153 INFO L280 TraceCheckUtils]: 6: Hoare triple {685#true} ~n := #in~n; {742#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:39,154 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 22:20:39,154 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 22:20:39,155 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 22:20:39,155 INFO L280 TraceCheckUtils]: 10: Hoare triple {685#true} ~n := #in~n; {755#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:39,156 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 22:20:39,157 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 22:20:39,157 INFO L280 TraceCheckUtils]: 13: Hoare triple {720#(<= |fibo2_#in~n| 1)} assume true; {720#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:39,159 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 22:20:39,159 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 22:20:39,160 INFO L263 TraceCheckUtils]: 16: Hoare triple {714#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {685#true} is VALID [2020-07-17 22:20:39,160 INFO L280 TraceCheckUtils]: 17: Hoare triple {685#true} ~n := #in~n; {685#true} is VALID [2020-07-17 22:20:39,160 INFO L280 TraceCheckUtils]: 18: Hoare triple {685#true} assume ~n < 1;#res := 0; {685#true} is VALID [2020-07-17 22:20:39,160 INFO L280 TraceCheckUtils]: 19: Hoare triple {685#true} assume true; {685#true} is VALID [2020-07-17 22:20:39,161 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 22:20:39,162 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~ret1;havoc #t~ret0; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:39,163 INFO L280 TraceCheckUtils]: 22: Hoare triple {714#(<= |fibo1_#in~n| 2)} assume true; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:39,164 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {714#(<= |fibo1_#in~n| 2)} {689#(<= 6 main_~x~0)} #51#return; {686#false} is VALID [2020-07-17 22:20:39,164 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 22:20:39,164 INFO L280 TraceCheckUtils]: 25: Hoare triple {686#false} assume 8 == ~result~0; {686#false} is VALID [2020-07-17 22:20:39,165 INFO L280 TraceCheckUtils]: 26: Hoare triple {686#false} assume !false; {686#false} is VALID [2020-07-17 22:20:39,166 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 22:20:39,166 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 22:20:39,166 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-07-17 22:20:39,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265532310] [2020-07-17 22:20:39,167 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2020-07-17 22:20:39,168 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:20:39,168 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-17 22:20:39,204 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 22:20:39,205 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 22:20:39,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:20:39,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 22:20:39,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 22:20:39,206 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 9 states. [2020-07-17 22:20:39,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:39,769 INFO L93 Difference]: Finished difference Result 54 states and 74 transitions. [2020-07-17 22:20:39,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-17 22:20:39,769 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2020-07-17 22:20:39,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:20:39,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-17 22:20:39,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 66 transitions. [2020-07-17 22:20:39,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-17 22:20:39,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 66 transitions. [2020-07-17 22:20:39,775 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 66 transitions. [2020-07-17 22:20:39,853 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 22:20:39,857 INFO L225 Difference]: With dead ends: 54 [2020-07-17 22:20:39,857 INFO L226 Difference]: Without dead ends: 50 [2020-07-17 22:20:39,858 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 22:20:39,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-07-17 22:20:39,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2020-07-17 22:20:39,891 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:20:39,891 INFO L82 GeneralOperation]: Start isEquivalent. First operand 50 states. Second operand 48 states. [2020-07-17 22:20:39,892 INFO L74 IsIncluded]: Start isIncluded. First operand 50 states. Second operand 48 states. [2020-07-17 22:20:39,892 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 48 states. [2020-07-17 22:20:39,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:39,898 INFO L93 Difference]: Finished difference Result 50 states and 70 transitions. [2020-07-17 22:20:39,899 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 70 transitions. [2020-07-17 22:20:39,902 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:39,902 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:39,903 INFO L74 IsIncluded]: Start isIncluded. First operand 48 states. Second operand 50 states. [2020-07-17 22:20:39,903 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 50 states. [2020-07-17 22:20:39,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:39,911 INFO L93 Difference]: Finished difference Result 50 states and 70 transitions. [2020-07-17 22:20:39,911 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 70 transitions. [2020-07-17 22:20:39,915 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:39,915 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:39,915 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:20:39,916 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:20:39,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-07-17 22:20:39,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 65 transitions. [2020-07-17 22:20:39,921 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 65 transitions. Word has length 27 [2020-07-17 22:20:39,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:20:39,922 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 65 transitions. [2020-07-17 22:20:39,922 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 22:20:39,923 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2020-07-17 22:20:39,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-07-17 22:20:39,925 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:20:39,925 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 22:20:40,138 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:20:40,139 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:20:40,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:20:40,139 INFO L82 PathProgramCache]: Analyzing trace with hash 986908919, now seen corresponding path program 1 times [2020-07-17 22:20:40,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:20:40,140 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343462206] [2020-07-17 22:20:40,140 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:20:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:40,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:40,168 INFO L280 TraceCheckUtils]: 0: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-17 22:20:40,168 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1044#true} {1044#true} #47#return; {1044#true} is VALID [2020-07-17 22:20:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:40,300 INFO L280 TraceCheckUtils]: 0: Hoare triple {1044#true} ~n := #in~n; {1109#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,304 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 22:20:40,306 INFO L280 TraceCheckUtils]: 2: Hoare triple {1110#(<= |fibo1_#in~n| 0)} assume true; {1110#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:40,307 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1110#(<= |fibo1_#in~n| 0)} {1100#(< 1 fibo2_~n)} #53#return; {1045#false} is VALID [2020-07-17 22:20:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:40,312 INFO L280 TraceCheckUtils]: 0: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:40,313 INFO L280 TraceCheckUtils]: 1: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-17 22:20:40,313 INFO L280 TraceCheckUtils]: 2: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-17 22:20:40,313 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1044#true} {1045#false} #55#return; {1045#false} is VALID [2020-07-17 22:20:40,313 INFO L280 TraceCheckUtils]: 0: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:40,314 INFO L280 TraceCheckUtils]: 1: Hoare triple {1044#true} assume !(~n < 1); {1099#(< 0 fibo2_~n)} is VALID [2020-07-17 22:20:40,315 INFO L280 TraceCheckUtils]: 2: Hoare triple {1099#(< 0 fibo2_~n)} assume !(1 == ~n); {1100#(< 1 fibo2_~n)} is VALID [2020-07-17 22:20:40,316 INFO L263 TraceCheckUtils]: 3: Hoare triple {1100#(< 1 fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {1044#true} is VALID [2020-07-17 22:20:40,316 INFO L280 TraceCheckUtils]: 4: Hoare triple {1044#true} ~n := #in~n; {1109#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,317 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 22:20:40,318 INFO L280 TraceCheckUtils]: 6: Hoare triple {1110#(<= |fibo1_#in~n| 0)} assume true; {1110#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:40,319 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {1110#(<= |fibo1_#in~n| 0)} {1100#(< 1 fibo2_~n)} #53#return; {1045#false} is VALID [2020-07-17 22:20:40,319 INFO L280 TraceCheckUtils]: 8: Hoare triple {1045#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1045#false} is VALID [2020-07-17 22:20:40,319 INFO L263 TraceCheckUtils]: 9: Hoare triple {1045#false} call #t~ret3 := fibo1(~n - 2); {1044#true} is VALID [2020-07-17 22:20:40,320 INFO L280 TraceCheckUtils]: 10: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:40,320 INFO L280 TraceCheckUtils]: 11: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-17 22:20:40,320 INFO L280 TraceCheckUtils]: 12: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-17 22:20:40,320 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {1044#true} {1045#false} #55#return; {1045#false} is VALID [2020-07-17 22:20:40,321 INFO L280 TraceCheckUtils]: 14: Hoare triple {1045#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {1045#false} is VALID [2020-07-17 22:20:40,321 INFO L280 TraceCheckUtils]: 15: Hoare triple {1045#false} assume true; {1045#false} is VALID [2020-07-17 22:20:40,321 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {1045#false} {1044#true} #57#return; {1045#false} is VALID [2020-07-17 22:20:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:40,326 INFO L280 TraceCheckUtils]: 0: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:40,326 INFO L280 TraceCheckUtils]: 1: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-17 22:20:40,327 INFO L280 TraceCheckUtils]: 2: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-17 22:20:40,327 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1044#true} {1045#false} #59#return; {1045#false} is VALID [2020-07-17 22:20:40,327 INFO L280 TraceCheckUtils]: 0: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:40,327 INFO L280 TraceCheckUtils]: 1: Hoare triple {1044#true} assume !(~n < 1); {1044#true} is VALID [2020-07-17 22:20:40,328 INFO L280 TraceCheckUtils]: 2: Hoare triple {1044#true} assume !(1 == ~n); {1044#true} is VALID [2020-07-17 22:20:40,328 INFO L263 TraceCheckUtils]: 3: Hoare triple {1044#true} call #t~ret0 := fibo2(~n - 1); {1044#true} is VALID [2020-07-17 22:20:40,328 INFO L280 TraceCheckUtils]: 4: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:40,329 INFO L280 TraceCheckUtils]: 5: Hoare triple {1044#true} assume !(~n < 1); {1099#(< 0 fibo2_~n)} is VALID [2020-07-17 22:20:40,330 INFO L280 TraceCheckUtils]: 6: Hoare triple {1099#(< 0 fibo2_~n)} assume !(1 == ~n); {1100#(< 1 fibo2_~n)} is VALID [2020-07-17 22:20:40,330 INFO L263 TraceCheckUtils]: 7: Hoare triple {1100#(< 1 fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {1044#true} is VALID [2020-07-17 22:20:40,331 INFO L280 TraceCheckUtils]: 8: Hoare triple {1044#true} ~n := #in~n; {1109#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,331 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 22:20:40,332 INFO L280 TraceCheckUtils]: 10: Hoare triple {1110#(<= |fibo1_#in~n| 0)} assume true; {1110#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:40,333 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1110#(<= |fibo1_#in~n| 0)} {1100#(< 1 fibo2_~n)} #53#return; {1045#false} is VALID [2020-07-17 22:20:40,333 INFO L280 TraceCheckUtils]: 12: Hoare triple {1045#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1045#false} is VALID [2020-07-17 22:20:40,334 INFO L263 TraceCheckUtils]: 13: Hoare triple {1045#false} call #t~ret3 := fibo1(~n - 2); {1044#true} is VALID [2020-07-17 22:20:40,334 INFO L280 TraceCheckUtils]: 14: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:40,334 INFO L280 TraceCheckUtils]: 15: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-17 22:20:40,335 INFO L280 TraceCheckUtils]: 16: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-17 22:20:40,335 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {1044#true} {1045#false} #55#return; {1045#false} is VALID [2020-07-17 22:20:40,336 INFO L280 TraceCheckUtils]: 18: Hoare triple {1045#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {1045#false} is VALID [2020-07-17 22:20:40,336 INFO L280 TraceCheckUtils]: 19: Hoare triple {1045#false} assume true; {1045#false} is VALID [2020-07-17 22:20:40,336 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1045#false} {1044#true} #57#return; {1045#false} is VALID [2020-07-17 22:20:40,336 INFO L280 TraceCheckUtils]: 21: Hoare triple {1045#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1045#false} is VALID [2020-07-17 22:20:40,337 INFO L263 TraceCheckUtils]: 22: Hoare triple {1045#false} call #t~ret1 := fibo2(~n - 2); {1044#true} is VALID [2020-07-17 22:20:40,337 INFO L280 TraceCheckUtils]: 23: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:40,337 INFO L280 TraceCheckUtils]: 24: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-17 22:20:40,337 INFO L280 TraceCheckUtils]: 25: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-17 22:20:40,338 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {1044#true} {1045#false} #59#return; {1045#false} is VALID [2020-07-17 22:20:40,338 INFO L280 TraceCheckUtils]: 27: Hoare triple {1045#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {1045#false} is VALID [2020-07-17 22:20:40,338 INFO L280 TraceCheckUtils]: 28: Hoare triple {1045#false} assume true; {1045#false} is VALID [2020-07-17 22:20:40,338 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {1045#false} {1044#true} #51#return; {1045#false} is VALID [2020-07-17 22:20:40,339 INFO L263 TraceCheckUtils]: 0: Hoare triple {1044#true} call ULTIMATE.init(); {1044#true} is VALID [2020-07-17 22:20:40,340 INFO L280 TraceCheckUtils]: 1: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-17 22:20:40,340 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1044#true} {1044#true} #47#return; {1044#true} is VALID [2020-07-17 22:20:40,340 INFO L263 TraceCheckUtils]: 3: Hoare triple {1044#true} call #t~ret5 := main(); {1044#true} is VALID [2020-07-17 22:20:40,340 INFO L280 TraceCheckUtils]: 4: Hoare triple {1044#true} ~x~0 := 6; {1044#true} is VALID [2020-07-17 22:20:40,341 INFO L263 TraceCheckUtils]: 5: Hoare triple {1044#true} call #t~ret4 := fibo1(~x~0); {1044#true} is VALID [2020-07-17 22:20:40,341 INFO L280 TraceCheckUtils]: 6: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:40,341 INFO L280 TraceCheckUtils]: 7: Hoare triple {1044#true} assume !(~n < 1); {1044#true} is VALID [2020-07-17 22:20:40,341 INFO L280 TraceCheckUtils]: 8: Hoare triple {1044#true} assume !(1 == ~n); {1044#true} is VALID [2020-07-17 22:20:40,342 INFO L263 TraceCheckUtils]: 9: Hoare triple {1044#true} call #t~ret0 := fibo2(~n - 1); {1044#true} is VALID [2020-07-17 22:20:40,342 INFO L280 TraceCheckUtils]: 10: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:40,343 INFO L280 TraceCheckUtils]: 11: Hoare triple {1044#true} assume !(~n < 1); {1099#(< 0 fibo2_~n)} is VALID [2020-07-17 22:20:40,344 INFO L280 TraceCheckUtils]: 12: Hoare triple {1099#(< 0 fibo2_~n)} assume !(1 == ~n); {1100#(< 1 fibo2_~n)} is VALID [2020-07-17 22:20:40,344 INFO L263 TraceCheckUtils]: 13: Hoare triple {1100#(< 1 fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {1044#true} is VALID [2020-07-17 22:20:40,345 INFO L280 TraceCheckUtils]: 14: Hoare triple {1044#true} ~n := #in~n; {1109#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:40,345 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 22:20:40,346 INFO L280 TraceCheckUtils]: 16: Hoare triple {1110#(<= |fibo1_#in~n| 0)} assume true; {1110#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:40,347 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {1110#(<= |fibo1_#in~n| 0)} {1100#(< 1 fibo2_~n)} #53#return; {1045#false} is VALID [2020-07-17 22:20:40,348 INFO L280 TraceCheckUtils]: 18: Hoare triple {1045#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1045#false} is VALID [2020-07-17 22:20:40,348 INFO L263 TraceCheckUtils]: 19: Hoare triple {1045#false} call #t~ret3 := fibo1(~n - 2); {1044#true} is VALID [2020-07-17 22:20:40,348 INFO L280 TraceCheckUtils]: 20: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:40,348 INFO L280 TraceCheckUtils]: 21: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-17 22:20:40,349 INFO L280 TraceCheckUtils]: 22: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-17 22:20:40,349 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {1044#true} {1045#false} #55#return; {1045#false} is VALID [2020-07-17 22:20:40,349 INFO L280 TraceCheckUtils]: 24: Hoare triple {1045#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {1045#false} is VALID [2020-07-17 22:20:40,349 INFO L280 TraceCheckUtils]: 25: Hoare triple {1045#false} assume true; {1045#false} is VALID [2020-07-17 22:20:40,350 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {1045#false} {1044#true} #57#return; {1045#false} is VALID [2020-07-17 22:20:40,350 INFO L280 TraceCheckUtils]: 27: Hoare triple {1045#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1045#false} is VALID [2020-07-17 22:20:40,350 INFO L263 TraceCheckUtils]: 28: Hoare triple {1045#false} call #t~ret1 := fibo2(~n - 2); {1044#true} is VALID [2020-07-17 22:20:40,350 INFO L280 TraceCheckUtils]: 29: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:40,350 INFO L280 TraceCheckUtils]: 30: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-17 22:20:40,351 INFO L280 TraceCheckUtils]: 31: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-17 22:20:40,351 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {1044#true} {1045#false} #59#return; {1045#false} is VALID [2020-07-17 22:20:40,351 INFO L280 TraceCheckUtils]: 33: Hoare triple {1045#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {1045#false} is VALID [2020-07-17 22:20:40,351 INFO L280 TraceCheckUtils]: 34: Hoare triple {1045#false} assume true; {1045#false} is VALID [2020-07-17 22:20:40,352 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {1045#false} {1044#true} #51#return; {1045#false} is VALID [2020-07-17 22:20:40,352 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 22:20:40,352 INFO L280 TraceCheckUtils]: 37: Hoare triple {1045#false} assume 8 == ~result~0; {1045#false} is VALID [2020-07-17 22:20:40,352 INFO L280 TraceCheckUtils]: 38: Hoare triple {1045#false} assume !false; {1045#false} is VALID [2020-07-17 22:20:40,354 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 22:20:40,354 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343462206] [2020-07-17 22:20:40,354 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [110590429] [2020-07-17 22:20:40,355 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 22:20:40,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:40,388 INFO L264 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-17 22:20:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:40,400 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 22:20:40,545 INFO L263 TraceCheckUtils]: 0: Hoare triple {1044#true} call ULTIMATE.init(); {1044#true} is VALID [2020-07-17 22:20:40,545 INFO L280 TraceCheckUtils]: 1: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-17 22:20:40,545 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1044#true} {1044#true} #47#return; {1044#true} is VALID [2020-07-17 22:20:40,545 INFO L263 TraceCheckUtils]: 3: Hoare triple {1044#true} call #t~ret5 := main(); {1044#true} is VALID [2020-07-17 22:20:40,546 INFO L280 TraceCheckUtils]: 4: Hoare triple {1044#true} ~x~0 := 6; {1126#(<= 6 main_~x~0)} is VALID [2020-07-17 22:20:40,546 INFO L263 TraceCheckUtils]: 5: Hoare triple {1126#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {1044#true} is VALID [2020-07-17 22:20:40,548 INFO L280 TraceCheckUtils]: 6: Hoare triple {1044#true} ~n := #in~n; {1133#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:40,549 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 22:20:40,549 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 22:20:40,549 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 22:20:40,550 INFO L280 TraceCheckUtils]: 10: Hoare triple {1044#true} ~n := #in~n; {1146#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:40,556 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 22:20:40,560 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 22:20:40,560 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 22:20:40,560 INFO L280 TraceCheckUtils]: 14: Hoare triple {1044#true} ~n := #in~n; {1133#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:40,561 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 22:20:40,562 INFO L280 TraceCheckUtils]: 16: Hoare triple {1110#(<= |fibo1_#in~n| 0)} assume true; {1110#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:40,563 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 22:20:40,563 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 22:20:40,564 INFO L263 TraceCheckUtils]: 19: Hoare triple {1168#(<= |fibo2_#in~n| 1)} call #t~ret3 := fibo1(~n - 2); {1044#true} is VALID [2020-07-17 22:20:40,564 INFO L280 TraceCheckUtils]: 20: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:40,564 INFO L280 TraceCheckUtils]: 21: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-17 22:20:40,564 INFO L280 TraceCheckUtils]: 22: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-17 22:20:40,565 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 22:20:40,566 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~ret3;havoc #t~ret2; {1168#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:40,566 INFO L280 TraceCheckUtils]: 25: Hoare triple {1168#(<= |fibo2_#in~n| 1)} assume true; {1168#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:40,567 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 22:20:40,568 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 22:20:40,568 INFO L263 TraceCheckUtils]: 28: Hoare triple {1196#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {1044#true} is VALID [2020-07-17 22:20:40,568 INFO L280 TraceCheckUtils]: 29: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:40,569 INFO L280 TraceCheckUtils]: 30: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-17 22:20:40,569 INFO L280 TraceCheckUtils]: 31: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-17 22:20:40,575 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 22:20:40,576 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~ret1;havoc #t~ret0; {1196#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:40,576 INFO L280 TraceCheckUtils]: 34: Hoare triple {1196#(<= |fibo1_#in~n| 2)} assume true; {1196#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:40,578 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {1196#(<= |fibo1_#in~n| 2)} {1126#(<= 6 main_~x~0)} #51#return; {1045#false} is VALID [2020-07-17 22:20:40,578 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 22:20:40,578 INFO L280 TraceCheckUtils]: 37: Hoare triple {1045#false} assume 8 == ~result~0; {1045#false} is VALID [2020-07-17 22:20:40,578 INFO L280 TraceCheckUtils]: 38: Hoare triple {1045#false} assume !false; {1045#false} is VALID [2020-07-17 22:20:40,580 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 22:20:40,580 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 22:20:40,580 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 11 [2020-07-17 22:20:40,581 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508373052] [2020-07-17 22:20:40,582 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 39 [2020-07-17 22:20:40,587 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:20:40,587 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2020-07-17 22:20:40,655 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 22:20:40,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 22:20:40,655 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:20:40,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 22:20:40,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-07-17 22:20:40,656 INFO L87 Difference]: Start difference. First operand 48 states and 65 transitions. Second operand 11 states. [2020-07-17 22:20:41,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:41,699 INFO L93 Difference]: Finished difference Result 108 states and 170 transitions. [2020-07-17 22:20:41,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-17 22:20:41,700 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 39 [2020-07-17 22:20:41,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:20:41,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-17 22:20:41,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 102 transitions. [2020-07-17 22:20:41,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-17 22:20:41,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 102 transitions. [2020-07-17 22:20:41,709 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 102 transitions. [2020-07-17 22:20:41,848 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 22:20:41,853 INFO L225 Difference]: With dead ends: 108 [2020-07-17 22:20:41,853 INFO L226 Difference]: Without dead ends: 66 [2020-07-17 22:20:41,855 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 22:20:41,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-07-17 22:20:41,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2020-07-17 22:20:41,896 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:20:41,896 INFO L82 GeneralOperation]: Start isEquivalent. First operand 66 states. Second operand 66 states. [2020-07-17 22:20:41,896 INFO L74 IsIncluded]: Start isIncluded. First operand 66 states. Second operand 66 states. [2020-07-17 22:20:41,896 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 66 states. [2020-07-17 22:20:41,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:41,902 INFO L93 Difference]: Finished difference Result 66 states and 95 transitions. [2020-07-17 22:20:41,902 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 95 transitions. [2020-07-17 22:20:41,903 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:41,903 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:41,903 INFO L74 IsIncluded]: Start isIncluded. First operand 66 states. Second operand 66 states. [2020-07-17 22:20:41,903 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 66 states. [2020-07-17 22:20:41,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:41,909 INFO L93 Difference]: Finished difference Result 66 states and 95 transitions. [2020-07-17 22:20:41,909 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 95 transitions. [2020-07-17 22:20:41,910 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:41,911 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:41,911 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:20:41,911 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:20:41,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-07-17 22:20:41,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 95 transitions. [2020-07-17 22:20:41,916 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 95 transitions. Word has length 39 [2020-07-17 22:20:41,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:20:41,916 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 95 transitions. [2020-07-17 22:20:41,916 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 22:20:41,917 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 95 transitions. [2020-07-17 22:20:41,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-17 22:20:41,918 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:20:41,918 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 22:20:42,132 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:20:42,132 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:20:42,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:20:42,133 INFO L82 PathProgramCache]: Analyzing trace with hash -2100495745, now seen corresponding path program 1 times [2020-07-17 22:20:42,133 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:20:42,134 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516425745] [2020-07-17 22:20:42,134 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:20:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:42,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:42,169 INFO L280 TraceCheckUtils]: 0: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-17 22:20:42,170 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1610#true} {1610#true} #47#return; {1610#true} is VALID [2020-07-17 22:20:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:42,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:42,284 INFO L280 TraceCheckUtils]: 0: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-17 22:20:42,284 INFO L280 TraceCheckUtils]: 1: Hoare triple {1610#true} assume !(~n < 1); {1610#true} is VALID [2020-07-17 22:20:42,285 INFO L280 TraceCheckUtils]: 2: Hoare triple {1610#true} assume 1 == ~n;#res := 1; {1610#true} is VALID [2020-07-17 22:20:42,285 INFO L280 TraceCheckUtils]: 3: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-17 22:20:42,286 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 22:20:42,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:42,303 INFO L280 TraceCheckUtils]: 0: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-17 22:20:42,304 INFO L280 TraceCheckUtils]: 1: Hoare triple {1610#true} assume ~n < 1;#res := 0; {1610#true} is VALID [2020-07-17 22:20:42,304 INFO L280 TraceCheckUtils]: 2: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-17 22:20:42,305 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 22:20:42,305 INFO L280 TraceCheckUtils]: 0: Hoare triple {1610#true} ~n := #in~n; {1669#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:42,306 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 22:20:42,307 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 22:20:42,307 INFO L263 TraceCheckUtils]: 3: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {1610#true} is VALID [2020-07-17 22:20:42,307 INFO L280 TraceCheckUtils]: 4: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-17 22:20:42,307 INFO L280 TraceCheckUtils]: 5: Hoare triple {1610#true} assume !(~n < 1); {1610#true} is VALID [2020-07-17 22:20:42,307 INFO L280 TraceCheckUtils]: 6: Hoare triple {1610#true} assume 1 == ~n;#res := 1; {1610#true} is VALID [2020-07-17 22:20:42,308 INFO L280 TraceCheckUtils]: 7: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-17 22:20:42,308 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 22:20:42,309 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 22:20:42,309 INFO L263 TraceCheckUtils]: 10: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {1610#true} is VALID [2020-07-17 22:20:42,309 INFO L280 TraceCheckUtils]: 11: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-17 22:20:42,310 INFO L280 TraceCheckUtils]: 12: Hoare triple {1610#true} assume ~n < 1;#res := 0; {1610#true} is VALID [2020-07-17 22:20:42,310 INFO L280 TraceCheckUtils]: 13: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-17 22:20:42,311 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 22:20:42,312 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~ret3;havoc #t~ret2; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:42,312 INFO L280 TraceCheckUtils]: 16: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} assume true; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:42,313 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {1671#(<= 2 |fibo2_#in~n|)} {1610#true} #57#return; {1664#(<= 3 fibo1_~n)} is VALID [2020-07-17 22:20:42,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:42,332 INFO L280 TraceCheckUtils]: 0: Hoare triple {1610#true} ~n := #in~n; {1669#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:42,333 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 22:20:42,333 INFO L280 TraceCheckUtils]: 2: Hoare triple {1681#(<= |fibo2_#in~n| 0)} assume true; {1681#(<= |fibo2_#in~n| 0)} is VALID [2020-07-17 22:20:42,334 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1681#(<= |fibo2_#in~n| 0)} {1664#(<= 3 fibo1_~n)} #59#return; {1611#false} is VALID [2020-07-17 22:20:42,335 INFO L280 TraceCheckUtils]: 0: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-17 22:20:42,335 INFO L280 TraceCheckUtils]: 1: Hoare triple {1610#true} assume !(~n < 1); {1610#true} is VALID [2020-07-17 22:20:42,335 INFO L280 TraceCheckUtils]: 2: Hoare triple {1610#true} assume !(1 == ~n); {1610#true} is VALID [2020-07-17 22:20:42,335 INFO L263 TraceCheckUtils]: 3: Hoare triple {1610#true} call #t~ret0 := fibo2(~n - 1); {1610#true} is VALID [2020-07-17 22:20:42,338 INFO L280 TraceCheckUtils]: 4: Hoare triple {1610#true} ~n := #in~n; {1669#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:42,339 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 22:20:42,340 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 22:20:42,340 INFO L263 TraceCheckUtils]: 7: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {1610#true} is VALID [2020-07-17 22:20:42,340 INFO L280 TraceCheckUtils]: 8: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-17 22:20:42,341 INFO L280 TraceCheckUtils]: 9: Hoare triple {1610#true} assume !(~n < 1); {1610#true} is VALID [2020-07-17 22:20:42,341 INFO L280 TraceCheckUtils]: 10: Hoare triple {1610#true} assume 1 == ~n;#res := 1; {1610#true} is VALID [2020-07-17 22:20:42,341 INFO L280 TraceCheckUtils]: 11: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-17 22:20:42,343 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 22:20:42,344 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 22:20:42,344 INFO L263 TraceCheckUtils]: 14: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {1610#true} is VALID [2020-07-17 22:20:42,344 INFO L280 TraceCheckUtils]: 15: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-17 22:20:42,344 INFO L280 TraceCheckUtils]: 16: Hoare triple {1610#true} assume ~n < 1;#res := 0; {1610#true} is VALID [2020-07-17 22:20:42,345 INFO L280 TraceCheckUtils]: 17: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-17 22:20:42,345 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 22:20:42,346 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~ret3;havoc #t~ret2; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:42,346 INFO L280 TraceCheckUtils]: 20: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} assume true; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:42,347 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {1671#(<= 2 |fibo2_#in~n|)} {1610#true} #57#return; {1664#(<= 3 fibo1_~n)} is VALID [2020-07-17 22:20:42,354 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 22:20:42,354 INFO L263 TraceCheckUtils]: 23: Hoare triple {1664#(<= 3 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {1610#true} is VALID [2020-07-17 22:20:42,355 INFO L280 TraceCheckUtils]: 24: Hoare triple {1610#true} ~n := #in~n; {1669#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:42,356 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 22:20:42,356 INFO L280 TraceCheckUtils]: 26: Hoare triple {1681#(<= |fibo2_#in~n| 0)} assume true; {1681#(<= |fibo2_#in~n| 0)} is VALID [2020-07-17 22:20:42,357 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {1681#(<= |fibo2_#in~n| 0)} {1664#(<= 3 fibo1_~n)} #59#return; {1611#false} is VALID [2020-07-17 22:20:42,358 INFO L280 TraceCheckUtils]: 28: Hoare triple {1611#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {1611#false} is VALID [2020-07-17 22:20:42,358 INFO L280 TraceCheckUtils]: 29: Hoare triple {1611#false} assume true; {1611#false} is VALID [2020-07-17 22:20:42,358 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {1611#false} {1614#(<= 6 main_~x~0)} #51#return; {1611#false} is VALID [2020-07-17 22:20:42,359 INFO L263 TraceCheckUtils]: 0: Hoare triple {1610#true} call ULTIMATE.init(); {1610#true} is VALID [2020-07-17 22:20:42,360 INFO L280 TraceCheckUtils]: 1: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-17 22:20:42,360 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1610#true} {1610#true} #47#return; {1610#true} is VALID [2020-07-17 22:20:42,360 INFO L263 TraceCheckUtils]: 3: Hoare triple {1610#true} call #t~ret5 := main(); {1610#true} is VALID [2020-07-17 22:20:42,369 INFO L280 TraceCheckUtils]: 4: Hoare triple {1610#true} ~x~0 := 6; {1614#(<= 6 main_~x~0)} is VALID [2020-07-17 22:20:42,369 INFO L263 TraceCheckUtils]: 5: Hoare triple {1614#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {1610#true} is VALID [2020-07-17 22:20:42,369 INFO L280 TraceCheckUtils]: 6: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-17 22:20:42,369 INFO L280 TraceCheckUtils]: 7: Hoare triple {1610#true} assume !(~n < 1); {1610#true} is VALID [2020-07-17 22:20:42,370 INFO L280 TraceCheckUtils]: 8: Hoare triple {1610#true} assume !(1 == ~n); {1610#true} is VALID [2020-07-17 22:20:42,370 INFO L263 TraceCheckUtils]: 9: Hoare triple {1610#true} call #t~ret0 := fibo2(~n - 1); {1610#true} is VALID [2020-07-17 22:20:42,371 INFO L280 TraceCheckUtils]: 10: Hoare triple {1610#true} ~n := #in~n; {1669#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:42,371 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 22:20:42,374 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 22:20:42,375 INFO L263 TraceCheckUtils]: 13: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {1610#true} is VALID [2020-07-17 22:20:42,375 INFO L280 TraceCheckUtils]: 14: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-17 22:20:42,375 INFO L280 TraceCheckUtils]: 15: Hoare triple {1610#true} assume !(~n < 1); {1610#true} is VALID [2020-07-17 22:20:42,375 INFO L280 TraceCheckUtils]: 16: Hoare triple {1610#true} assume 1 == ~n;#res := 1; {1610#true} is VALID [2020-07-17 22:20:42,376 INFO L280 TraceCheckUtils]: 17: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-17 22:20:42,377 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 22:20:42,384 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 22:20:42,384 INFO L263 TraceCheckUtils]: 20: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {1610#true} is VALID [2020-07-17 22:20:42,384 INFO L280 TraceCheckUtils]: 21: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-17 22:20:42,385 INFO L280 TraceCheckUtils]: 22: Hoare triple {1610#true} assume ~n < 1;#res := 0; {1610#true} is VALID [2020-07-17 22:20:42,385 INFO L280 TraceCheckUtils]: 23: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-17 22:20:42,392 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 22:20:42,392 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~ret3;havoc #t~ret2; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:42,393 INFO L280 TraceCheckUtils]: 26: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} assume true; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:42,394 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {1671#(<= 2 |fibo2_#in~n|)} {1610#true} #57#return; {1664#(<= 3 fibo1_~n)} is VALID [2020-07-17 22:20:42,394 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 22:20:42,394 INFO L263 TraceCheckUtils]: 29: Hoare triple {1664#(<= 3 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {1610#true} is VALID [2020-07-17 22:20:42,395 INFO L280 TraceCheckUtils]: 30: Hoare triple {1610#true} ~n := #in~n; {1669#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:42,396 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 22:20:42,397 INFO L280 TraceCheckUtils]: 32: Hoare triple {1681#(<= |fibo2_#in~n| 0)} assume true; {1681#(<= |fibo2_#in~n| 0)} is VALID [2020-07-17 22:20:42,398 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {1681#(<= |fibo2_#in~n| 0)} {1664#(<= 3 fibo1_~n)} #59#return; {1611#false} is VALID [2020-07-17 22:20:42,398 INFO L280 TraceCheckUtils]: 34: Hoare triple {1611#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {1611#false} is VALID [2020-07-17 22:20:42,399 INFO L280 TraceCheckUtils]: 35: Hoare triple {1611#false} assume true; {1611#false} is VALID [2020-07-17 22:20:42,399 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {1611#false} {1614#(<= 6 main_~x~0)} #51#return; {1611#false} is VALID [2020-07-17 22:20:42,399 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 22:20:42,399 INFO L280 TraceCheckUtils]: 38: Hoare triple {1611#false} assume 8 == ~result~0; {1611#false} is VALID [2020-07-17 22:20:42,400 INFO L280 TraceCheckUtils]: 39: Hoare triple {1611#false} assume !false; {1611#false} is VALID [2020-07-17 22:20:42,402 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 22:20:42,402 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516425745] [2020-07-17 22:20:42,402 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136637170] [2020-07-17 22:20:42,402 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 22:20:42,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:42,430 INFO L264 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-17 22:20:42,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:42,441 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 22:20:42,605 INFO L263 TraceCheckUtils]: 0: Hoare triple {1610#true} call ULTIMATE.init(); {1610#true} is VALID [2020-07-17 22:20:42,606 INFO L280 TraceCheckUtils]: 1: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-17 22:20:42,606 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1610#true} {1610#true} #47#return; {1610#true} is VALID [2020-07-17 22:20:42,606 INFO L263 TraceCheckUtils]: 3: Hoare triple {1610#true} call #t~ret5 := main(); {1610#true} is VALID [2020-07-17 22:20:42,607 INFO L280 TraceCheckUtils]: 4: Hoare triple {1610#true} ~x~0 := 6; {1614#(<= 6 main_~x~0)} is VALID [2020-07-17 22:20:42,607 INFO L263 TraceCheckUtils]: 5: Hoare triple {1614#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {1610#true} is VALID [2020-07-17 22:20:42,608 INFO L280 TraceCheckUtils]: 6: Hoare triple {1610#true} ~n := #in~n; {1703#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:42,608 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 22:20:42,608 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 22:20:42,609 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 22:20:42,609 INFO L280 TraceCheckUtils]: 10: Hoare triple {1610#true} ~n := #in~n; {1716#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:42,609 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 22:20:42,610 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 22:20:42,610 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 22:20:42,610 INFO L280 TraceCheckUtils]: 14: Hoare triple {1610#true} ~n := #in~n; {1703#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:42,611 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 22:20:42,611 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 22:20:42,611 INFO L280 TraceCheckUtils]: 17: Hoare triple {1735#(<= |fibo1_#in~n| 1)} assume true; {1735#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:42,612 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 22:20:42,613 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 22:20:42,613 INFO L263 TraceCheckUtils]: 20: Hoare triple {1742#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {1610#true} is VALID [2020-07-17 22:20:42,613 INFO L280 TraceCheckUtils]: 21: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-17 22:20:42,614 INFO L280 TraceCheckUtils]: 22: Hoare triple {1610#true} assume ~n < 1;#res := 0; {1610#true} is VALID [2020-07-17 22:20:42,614 INFO L280 TraceCheckUtils]: 23: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-17 22:20:42,615 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 22:20:42,615 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~ret3;havoc #t~ret2; {1742#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:42,616 INFO L280 TraceCheckUtils]: 26: Hoare triple {1742#(<= |fibo2_#in~n| 2)} assume true; {1742#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:42,616 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 22:20:42,617 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 22:20:42,617 INFO L263 TraceCheckUtils]: 29: Hoare triple {1770#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {1610#true} is VALID [2020-07-17 22:20:42,617 INFO L280 TraceCheckUtils]: 30: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-17 22:20:42,617 INFO L280 TraceCheckUtils]: 31: Hoare triple {1610#true} assume ~n < 1;#res := 0; {1610#true} is VALID [2020-07-17 22:20:42,617 INFO L280 TraceCheckUtils]: 32: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-17 22:20:42,618 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 22:20:42,618 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~ret1;havoc #t~ret0; {1770#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:42,619 INFO L280 TraceCheckUtils]: 35: Hoare triple {1770#(<= |fibo1_#in~n| 3)} assume true; {1770#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:42,620 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {1770#(<= |fibo1_#in~n| 3)} {1614#(<= 6 main_~x~0)} #51#return; {1611#false} is VALID [2020-07-17 22:20:42,621 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 22:20:42,621 INFO L280 TraceCheckUtils]: 38: Hoare triple {1611#false} assume 8 == ~result~0; {1611#false} is VALID [2020-07-17 22:20:42,621 INFO L280 TraceCheckUtils]: 39: Hoare triple {1611#false} assume !false; {1611#false} is VALID [2020-07-17 22:20:42,623 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 22:20:42,623 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 22:20:42,623 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2020-07-17 22:20:42,624 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550562632] [2020-07-17 22:20:42,624 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 40 [2020-07-17 22:20:42,625 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:20:42,625 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states. [2020-07-17 22:20:42,703 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 22:20:42,703 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-17 22:20:42,704 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:20:42,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-17 22:20:42,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-07-17 22:20:42,705 INFO L87 Difference]: Start difference. First operand 66 states and 95 transitions. Second operand 13 states. [2020-07-17 22:20:44,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:44,397 INFO L93 Difference]: Finished difference Result 180 states and 324 transitions. [2020-07-17 22:20:44,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-17 22:20:44,398 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 40 [2020-07-17 22:20:44,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:20:44,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-07-17 22:20:44,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 133 transitions. [2020-07-17 22:20:44,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-07-17 22:20:44,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 133 transitions. [2020-07-17 22:20:44,410 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states and 133 transitions. [2020-07-17 22:20:44,580 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 22:20:44,590 INFO L225 Difference]: With dead ends: 180 [2020-07-17 22:20:44,590 INFO L226 Difference]: Without dead ends: 120 [2020-07-17 22:20:44,593 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 22:20:44,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-07-17 22:20:44,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 106. [2020-07-17 22:20:44,684 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:20:44,684 INFO L82 GeneralOperation]: Start isEquivalent. First operand 120 states. Second operand 106 states. [2020-07-17 22:20:44,684 INFO L74 IsIncluded]: Start isIncluded. First operand 120 states. Second operand 106 states. [2020-07-17 22:20:44,685 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 106 states. [2020-07-17 22:20:44,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:44,698 INFO L93 Difference]: Finished difference Result 120 states and 198 transitions. [2020-07-17 22:20:44,698 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 198 transitions. [2020-07-17 22:20:44,701 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:44,702 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:44,702 INFO L74 IsIncluded]: Start isIncluded. First operand 106 states. Second operand 120 states. [2020-07-17 22:20:44,702 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 120 states. [2020-07-17 22:20:44,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:44,716 INFO L93 Difference]: Finished difference Result 120 states and 198 transitions. [2020-07-17 22:20:44,716 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 198 transitions. [2020-07-17 22:20:44,720 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:44,720 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:44,721 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:20:44,721 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:20:44,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-07-17 22:20:44,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 169 transitions. [2020-07-17 22:20:44,732 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 169 transitions. Word has length 40 [2020-07-17 22:20:44,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:20:44,732 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 169 transitions. [2020-07-17 22:20:44,732 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-17 22:20:44,733 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 169 transitions. [2020-07-17 22:20:44,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-07-17 22:20:44,737 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:20:44,737 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 22:20:44,952 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:20:44,953 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:20:44,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:20:44,954 INFO L82 PathProgramCache]: Analyzing trace with hash -405677468, now seen corresponding path program 1 times [2020-07-17 22:20:44,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:20:44,955 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774858801] [2020-07-17 22:20:44,955 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:20:44,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:44,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:44,991 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:44,992 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2439#true} {2439#true} #47#return; {2439#true} is VALID [2020-07-17 22:20:45,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:45,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:45,108 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:45,108 INFO L280 TraceCheckUtils]: 1: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:45,108 INFO L280 TraceCheckUtils]: 2: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-17 22:20:45,108 INFO L280 TraceCheckUtils]: 3: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:45,109 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 22:20:45,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:45,114 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:45,115 INFO L280 TraceCheckUtils]: 1: Hoare triple {2439#true} assume ~n < 1;#res := 0; {2439#true} is VALID [2020-07-17 22:20:45,115 INFO L280 TraceCheckUtils]: 2: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:45,116 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 22:20:45,116 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:45,117 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 22:20:45,117 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 22:20:45,118 INFO L263 TraceCheckUtils]: 3: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {2439#true} is VALID [2020-07-17 22:20:45,118 INFO L280 TraceCheckUtils]: 4: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:45,118 INFO L280 TraceCheckUtils]: 5: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:45,118 INFO L280 TraceCheckUtils]: 6: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-17 22:20:45,119 INFO L280 TraceCheckUtils]: 7: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:45,120 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 22:20:45,120 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 22:20:45,121 INFO L263 TraceCheckUtils]: 10: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-17 22:20:45,121 INFO L280 TraceCheckUtils]: 11: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:45,121 INFO L280 TraceCheckUtils]: 12: Hoare triple {2439#true} assume ~n < 1;#res := 0; {2439#true} is VALID [2020-07-17 22:20:45,121 INFO L280 TraceCheckUtils]: 13: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:45,122 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 22:20:45,125 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~ret1;havoc #t~ret0; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:45,127 INFO L280 TraceCheckUtils]: 16: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} assume true; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:45,128 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {2550#(<= 2 |fibo1_#in~n|)} {2439#true} #53#return; {2543#(<= 3 fibo2_~n)} is VALID [2020-07-17 22:20:45,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:45,149 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:45,150 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 22:20:45,151 INFO L280 TraceCheckUtils]: 2: Hoare triple {2560#(<= |fibo1_#in~n| 0)} assume true; {2560#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:45,152 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2560#(<= |fibo1_#in~n| 0)} {2543#(<= 3 fibo2_~n)} #55#return; {2440#false} is VALID [2020-07-17 22:20:45,152 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:45,152 INFO L280 TraceCheckUtils]: 1: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:45,152 INFO L280 TraceCheckUtils]: 2: Hoare triple {2439#true} assume !(1 == ~n); {2439#true} is VALID [2020-07-17 22:20:45,153 INFO L263 TraceCheckUtils]: 3: Hoare triple {2439#true} call #t~ret2 := fibo1(~n - 1); {2439#true} is VALID [2020-07-17 22:20:45,157 INFO L280 TraceCheckUtils]: 4: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:45,157 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 22:20:45,158 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 22:20:45,158 INFO L263 TraceCheckUtils]: 7: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {2439#true} is VALID [2020-07-17 22:20:45,158 INFO L280 TraceCheckUtils]: 8: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:45,159 INFO L280 TraceCheckUtils]: 9: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:45,159 INFO L280 TraceCheckUtils]: 10: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-17 22:20:45,159 INFO L280 TraceCheckUtils]: 11: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:45,159 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 22:20:45,160 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 22:20:45,160 INFO L263 TraceCheckUtils]: 14: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-17 22:20:45,160 INFO L280 TraceCheckUtils]: 15: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:45,160 INFO L280 TraceCheckUtils]: 16: Hoare triple {2439#true} assume ~n < 1;#res := 0; {2439#true} is VALID [2020-07-17 22:20:45,160 INFO L280 TraceCheckUtils]: 17: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:45,161 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 22:20:45,161 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~ret1;havoc #t~ret0; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:45,162 INFO L280 TraceCheckUtils]: 20: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} assume true; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:45,163 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {2550#(<= 2 |fibo1_#in~n|)} {2439#true} #53#return; {2543#(<= 3 fibo2_~n)} is VALID [2020-07-17 22:20:45,163 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 22:20:45,164 INFO L263 TraceCheckUtils]: 23: Hoare triple {2543#(<= 3 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {2439#true} is VALID [2020-07-17 22:20:45,164 INFO L280 TraceCheckUtils]: 24: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:45,164 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 22:20:45,165 INFO L280 TraceCheckUtils]: 26: Hoare triple {2560#(<= |fibo1_#in~n| 0)} assume true; {2560#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:45,166 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {2560#(<= |fibo1_#in~n| 0)} {2543#(<= 3 fibo2_~n)} #55#return; {2440#false} is VALID [2020-07-17 22:20:45,166 INFO L280 TraceCheckUtils]: 28: Hoare triple {2440#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {2440#false} is VALID [2020-07-17 22:20:45,166 INFO L280 TraceCheckUtils]: 29: Hoare triple {2440#false} assume true; {2440#false} is VALID [2020-07-17 22:20:45,166 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {2440#false} {2439#true} #57#return; {2440#false} is VALID [2020-07-17 22:20:45,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:45,173 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:45,174 INFO L280 TraceCheckUtils]: 1: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:45,174 INFO L280 TraceCheckUtils]: 2: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-17 22:20:45,174 INFO L280 TraceCheckUtils]: 3: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:45,174 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2439#true} {2440#false} #59#return; {2440#false} is VALID [2020-07-17 22:20:45,174 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:45,174 INFO L280 TraceCheckUtils]: 1: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:45,175 INFO L280 TraceCheckUtils]: 2: Hoare triple {2439#true} assume !(1 == ~n); {2439#true} is VALID [2020-07-17 22:20:45,175 INFO L263 TraceCheckUtils]: 3: Hoare triple {2439#true} call #t~ret0 := fibo2(~n - 1); {2439#true} is VALID [2020-07-17 22:20:45,175 INFO L280 TraceCheckUtils]: 4: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:45,175 INFO L280 TraceCheckUtils]: 5: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:45,175 INFO L280 TraceCheckUtils]: 6: Hoare triple {2439#true} assume !(1 == ~n); {2439#true} is VALID [2020-07-17 22:20:45,175 INFO L263 TraceCheckUtils]: 7: Hoare triple {2439#true} call #t~ret2 := fibo1(~n - 1); {2439#true} is VALID [2020-07-17 22:20:45,176 INFO L280 TraceCheckUtils]: 8: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:45,176 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 22:20:45,177 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 22:20:45,177 INFO L263 TraceCheckUtils]: 11: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {2439#true} is VALID [2020-07-17 22:20:45,177 INFO L280 TraceCheckUtils]: 12: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:45,177 INFO L280 TraceCheckUtils]: 13: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:45,177 INFO L280 TraceCheckUtils]: 14: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-17 22:20:45,178 INFO L280 TraceCheckUtils]: 15: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:45,178 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 22:20:45,179 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 22:20:45,179 INFO L263 TraceCheckUtils]: 18: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-17 22:20:45,179 INFO L280 TraceCheckUtils]: 19: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:45,179 INFO L280 TraceCheckUtils]: 20: Hoare triple {2439#true} assume ~n < 1;#res := 0; {2439#true} is VALID [2020-07-17 22:20:45,179 INFO L280 TraceCheckUtils]: 21: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:45,180 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 22:20:45,180 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~ret1;havoc #t~ret0; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:45,181 INFO L280 TraceCheckUtils]: 24: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} assume true; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:45,181 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {2550#(<= 2 |fibo1_#in~n|)} {2439#true} #53#return; {2543#(<= 3 fibo2_~n)} is VALID [2020-07-17 22:20:45,182 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 22:20:45,182 INFO L263 TraceCheckUtils]: 27: Hoare triple {2543#(<= 3 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {2439#true} is VALID [2020-07-17 22:20:45,182 INFO L280 TraceCheckUtils]: 28: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:45,183 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 22:20:45,183 INFO L280 TraceCheckUtils]: 30: Hoare triple {2560#(<= |fibo1_#in~n| 0)} assume true; {2560#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:45,185 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {2560#(<= |fibo1_#in~n| 0)} {2543#(<= 3 fibo2_~n)} #55#return; {2440#false} is VALID [2020-07-17 22:20:45,185 INFO L280 TraceCheckUtils]: 32: Hoare triple {2440#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {2440#false} is VALID [2020-07-17 22:20:45,185 INFO L280 TraceCheckUtils]: 33: Hoare triple {2440#false} assume true; {2440#false} is VALID [2020-07-17 22:20:45,186 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {2440#false} {2439#true} #57#return; {2440#false} is VALID [2020-07-17 22:20:45,186 INFO L280 TraceCheckUtils]: 35: Hoare triple {2440#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2440#false} is VALID [2020-07-17 22:20:45,186 INFO L263 TraceCheckUtils]: 36: Hoare triple {2440#false} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-17 22:20:45,186 INFO L280 TraceCheckUtils]: 37: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:45,186 INFO L280 TraceCheckUtils]: 38: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:45,187 INFO L280 TraceCheckUtils]: 39: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-17 22:20:45,187 INFO L280 TraceCheckUtils]: 40: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:45,187 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {2439#true} {2440#false} #59#return; {2440#false} is VALID [2020-07-17 22:20:45,187 INFO L280 TraceCheckUtils]: 42: Hoare triple {2440#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2440#false} is VALID [2020-07-17 22:20:45,188 INFO L280 TraceCheckUtils]: 43: Hoare triple {2440#false} assume true; {2440#false} is VALID [2020-07-17 22:20:45,188 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {2440#false} {2443#(<= 6 main_~x~0)} #51#return; {2440#false} is VALID [2020-07-17 22:20:45,189 INFO L263 TraceCheckUtils]: 0: Hoare triple {2439#true} call ULTIMATE.init(); {2439#true} is VALID [2020-07-17 22:20:45,189 INFO L280 TraceCheckUtils]: 1: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:45,189 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2439#true} {2439#true} #47#return; {2439#true} is VALID [2020-07-17 22:20:45,189 INFO L263 TraceCheckUtils]: 3: Hoare triple {2439#true} call #t~ret5 := main(); {2439#true} is VALID [2020-07-17 22:20:45,190 INFO L280 TraceCheckUtils]: 4: Hoare triple {2439#true} ~x~0 := 6; {2443#(<= 6 main_~x~0)} is VALID [2020-07-17 22:20:45,190 INFO L263 TraceCheckUtils]: 5: Hoare triple {2443#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {2439#true} is VALID [2020-07-17 22:20:45,190 INFO L280 TraceCheckUtils]: 6: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:45,190 INFO L280 TraceCheckUtils]: 7: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:45,190 INFO L280 TraceCheckUtils]: 8: Hoare triple {2439#true} assume !(1 == ~n); {2439#true} is VALID [2020-07-17 22:20:45,191 INFO L263 TraceCheckUtils]: 9: Hoare triple {2439#true} call #t~ret0 := fibo2(~n - 1); {2439#true} is VALID [2020-07-17 22:20:45,191 INFO L280 TraceCheckUtils]: 10: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:45,191 INFO L280 TraceCheckUtils]: 11: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:45,191 INFO L280 TraceCheckUtils]: 12: Hoare triple {2439#true} assume !(1 == ~n); {2439#true} is VALID [2020-07-17 22:20:45,191 INFO L263 TraceCheckUtils]: 13: Hoare triple {2439#true} call #t~ret2 := fibo1(~n - 1); {2439#true} is VALID [2020-07-17 22:20:45,192 INFO L280 TraceCheckUtils]: 14: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:45,192 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 22:20:45,193 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 22:20:45,193 INFO L263 TraceCheckUtils]: 17: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {2439#true} is VALID [2020-07-17 22:20:45,193 INFO L280 TraceCheckUtils]: 18: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:45,193 INFO L280 TraceCheckUtils]: 19: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:45,193 INFO L280 TraceCheckUtils]: 20: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-17 22:20:45,193 INFO L280 TraceCheckUtils]: 21: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:45,194 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 22:20:45,194 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 22:20:45,194 INFO L263 TraceCheckUtils]: 24: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-17 22:20:45,195 INFO L280 TraceCheckUtils]: 25: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:45,195 INFO L280 TraceCheckUtils]: 26: Hoare triple {2439#true} assume ~n < 1;#res := 0; {2439#true} is VALID [2020-07-17 22:20:45,195 INFO L280 TraceCheckUtils]: 27: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:45,195 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 22:20:45,196 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~ret1;havoc #t~ret0; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:45,196 INFO L280 TraceCheckUtils]: 30: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} assume true; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:45,197 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {2550#(<= 2 |fibo1_#in~n|)} {2439#true} #53#return; {2543#(<= 3 fibo2_~n)} is VALID [2020-07-17 22:20:45,198 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 22:20:45,198 INFO L263 TraceCheckUtils]: 33: Hoare triple {2543#(<= 3 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {2439#true} is VALID [2020-07-17 22:20:45,199 INFO L280 TraceCheckUtils]: 34: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:45,199 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 22:20:45,200 INFO L280 TraceCheckUtils]: 36: Hoare triple {2560#(<= |fibo1_#in~n| 0)} assume true; {2560#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:45,200 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {2560#(<= |fibo1_#in~n| 0)} {2543#(<= 3 fibo2_~n)} #55#return; {2440#false} is VALID [2020-07-17 22:20:45,200 INFO L280 TraceCheckUtils]: 38: Hoare triple {2440#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {2440#false} is VALID [2020-07-17 22:20:45,201 INFO L280 TraceCheckUtils]: 39: Hoare triple {2440#false} assume true; {2440#false} is VALID [2020-07-17 22:20:45,201 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {2440#false} {2439#true} #57#return; {2440#false} is VALID [2020-07-17 22:20:45,201 INFO L280 TraceCheckUtils]: 41: Hoare triple {2440#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2440#false} is VALID [2020-07-17 22:20:45,201 INFO L263 TraceCheckUtils]: 42: Hoare triple {2440#false} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-17 22:20:45,202 INFO L280 TraceCheckUtils]: 43: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:45,202 INFO L280 TraceCheckUtils]: 44: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:45,202 INFO L280 TraceCheckUtils]: 45: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-17 22:20:45,203 INFO L280 TraceCheckUtils]: 46: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:45,203 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {2439#true} {2440#false} #59#return; {2440#false} is VALID [2020-07-17 22:20:45,203 INFO L280 TraceCheckUtils]: 48: Hoare triple {2440#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2440#false} is VALID [2020-07-17 22:20:45,203 INFO L280 TraceCheckUtils]: 49: Hoare triple {2440#false} assume true; {2440#false} is VALID [2020-07-17 22:20:45,204 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {2440#false} {2443#(<= 6 main_~x~0)} #51#return; {2440#false} is VALID [2020-07-17 22:20:45,204 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 22:20:45,204 INFO L280 TraceCheckUtils]: 52: Hoare triple {2440#false} assume 8 == ~result~0; {2440#false} is VALID [2020-07-17 22:20:45,204 INFO L280 TraceCheckUtils]: 53: Hoare triple {2440#false} assume !false; {2440#false} is VALID [2020-07-17 22:20:45,206 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 22:20:45,206 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774858801] [2020-07-17 22:20:45,207 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114043470] [2020-07-17 22:20:45,207 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) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:20:45,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:45,248 INFO L264 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-17 22:20:45,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:45,264 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 22:20:45,513 INFO L263 TraceCheckUtils]: 0: Hoare triple {2439#true} call ULTIMATE.init(); {2439#true} is VALID [2020-07-17 22:20:45,514 INFO L280 TraceCheckUtils]: 1: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:45,514 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2439#true} {2439#true} #47#return; {2439#true} is VALID [2020-07-17 22:20:45,514 INFO L263 TraceCheckUtils]: 3: Hoare triple {2439#true} call #t~ret5 := main(); {2439#true} is VALID [2020-07-17 22:20:45,537 INFO L280 TraceCheckUtils]: 4: Hoare triple {2439#true} ~x~0 := 6; {2443#(<= 6 main_~x~0)} is VALID [2020-07-17 22:20:45,537 INFO L263 TraceCheckUtils]: 5: Hoare triple {2443#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {2439#true} is VALID [2020-07-17 22:20:45,538 INFO L280 TraceCheckUtils]: 6: Hoare triple {2439#true} ~n := #in~n; {2582#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:45,538 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 22:20:45,539 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 22:20:45,539 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 22:20:45,540 INFO L280 TraceCheckUtils]: 10: Hoare triple {2439#true} ~n := #in~n; {2595#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:45,540 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 22:20:45,541 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 22:20:45,541 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 22:20:45,542 INFO L280 TraceCheckUtils]: 14: Hoare triple {2439#true} ~n := #in~n; {2582#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:45,542 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 22:20:45,543 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 22:20:45,543 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 22:20:45,543 INFO L280 TraceCheckUtils]: 18: Hoare triple {2439#true} ~n := #in~n; {2595#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:45,544 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 22:20:45,544 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 22:20:45,545 INFO L280 TraceCheckUtils]: 21: Hoare triple {2626#(<= |fibo2_#in~n| 1)} assume true; {2626#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:45,546 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 22:20:45,547 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 22:20:45,547 INFO L263 TraceCheckUtils]: 24: Hoare triple {2633#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-17 22:20:45,547 INFO L280 TraceCheckUtils]: 25: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:45,547 INFO L280 TraceCheckUtils]: 26: Hoare triple {2439#true} assume ~n < 1;#res := 0; {2439#true} is VALID [2020-07-17 22:20:45,548 INFO L280 TraceCheckUtils]: 27: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:45,548 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 22:20:45,549 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~ret1;havoc #t~ret0; {2633#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:45,549 INFO L280 TraceCheckUtils]: 30: Hoare triple {2633#(<= |fibo1_#in~n| 2)} assume true; {2633#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:45,551 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 22:20:45,551 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 22:20:45,551 INFO L263 TraceCheckUtils]: 33: Hoare triple {2661#(<= |fibo2_#in~n| 3)} call #t~ret3 := fibo1(~n - 2); {2439#true} is VALID [2020-07-17 22:20:45,552 INFO L280 TraceCheckUtils]: 34: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:45,552 INFO L280 TraceCheckUtils]: 35: Hoare triple {2439#true} assume ~n < 1;#res := 0; {2439#true} is VALID [2020-07-17 22:20:45,552 INFO L280 TraceCheckUtils]: 36: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:45,553 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 22:20:45,553 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~ret3;havoc #t~ret2; {2661#(<= |fibo2_#in~n| 3)} is VALID [2020-07-17 22:20:45,554 INFO L280 TraceCheckUtils]: 39: Hoare triple {2661#(<= |fibo2_#in~n| 3)} assume true; {2661#(<= |fibo2_#in~n| 3)} is VALID [2020-07-17 22:20:45,555 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 22:20:45,555 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 22:20:45,556 INFO L263 TraceCheckUtils]: 42: Hoare triple {2689#(<= |fibo1_#in~n| 4)} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-17 22:20:45,556 INFO L280 TraceCheckUtils]: 43: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:45,556 INFO L280 TraceCheckUtils]: 44: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:45,556 INFO L280 TraceCheckUtils]: 45: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-17 22:20:45,556 INFO L280 TraceCheckUtils]: 46: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:45,557 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 22:20:45,558 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~ret1;havoc #t~ret0; {2689#(<= |fibo1_#in~n| 4)} is VALID [2020-07-17 22:20:45,558 INFO L280 TraceCheckUtils]: 49: Hoare triple {2689#(<= |fibo1_#in~n| 4)} assume true; {2689#(<= |fibo1_#in~n| 4)} is VALID [2020-07-17 22:20:45,559 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {2689#(<= |fibo1_#in~n| 4)} {2443#(<= 6 main_~x~0)} #51#return; {2440#false} is VALID [2020-07-17 22:20:45,559 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 22:20:45,560 INFO L280 TraceCheckUtils]: 52: Hoare triple {2440#false} assume 8 == ~result~0; {2440#false} is VALID [2020-07-17 22:20:45,560 INFO L280 TraceCheckUtils]: 53: Hoare triple {2440#false} assume !false; {2440#false} is VALID [2020-07-17 22:20:45,562 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 22:20:45,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 22:20:45,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 14 [2020-07-17 22:20:45,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836355135] [2020-07-17 22:20:45,564 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 54 [2020-07-17 22:20:45,569 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:20:45,569 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states. [2020-07-17 22:20:45,659 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 22:20:45,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-17 22:20:45,659 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:20:45,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-17 22:20:45,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-07-17 22:20:45,661 INFO L87 Difference]: Start difference. First operand 106 states and 169 transitions. Second operand 14 states. [2020-07-17 22:20:47,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:47,746 INFO L93 Difference]: Finished difference Result 258 states and 498 transitions. [2020-07-17 22:20:47,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-17 22:20:47,746 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 54 [2020-07-17 22:20:47,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:20:47,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-17 22:20:47,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 164 transitions. [2020-07-17 22:20:47,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-17 22:20:47,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 164 transitions. [2020-07-17 22:20:47,759 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states and 164 transitions. [2020-07-17 22:20:47,986 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 22:20:47,997 INFO L225 Difference]: With dead ends: 258 [2020-07-17 22:20:47,997 INFO L226 Difference]: Without dead ends: 158 [2020-07-17 22:20:47,999 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 22:20:48,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-07-17 22:20:48,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 112. [2020-07-17 22:20:48,117 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:20:48,117 INFO L82 GeneralOperation]: Start isEquivalent. First operand 158 states. Second operand 112 states. [2020-07-17 22:20:48,118 INFO L74 IsIncluded]: Start isIncluded. First operand 158 states. Second operand 112 states. [2020-07-17 22:20:48,118 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 112 states. [2020-07-17 22:20:48,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:48,136 INFO L93 Difference]: Finished difference Result 158 states and 275 transitions. [2020-07-17 22:20:48,136 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 275 transitions. [2020-07-17 22:20:48,138 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:48,139 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:48,139 INFO L74 IsIncluded]: Start isIncluded. First operand 112 states. Second operand 158 states. [2020-07-17 22:20:48,139 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 158 states. [2020-07-17 22:20:48,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:48,152 INFO L93 Difference]: Finished difference Result 158 states and 275 transitions. [2020-07-17 22:20:48,153 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 275 transitions. [2020-07-17 22:20:48,155 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:48,155 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:48,155 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:20:48,155 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:20:48,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-07-17 22:20:48,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 180 transitions. [2020-07-17 22:20:48,164 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 180 transitions. Word has length 54 [2020-07-17 22:20:48,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:20:48,164 INFO L479 AbstractCegarLoop]: Abstraction has 112 states and 180 transitions. [2020-07-17 22:20:48,165 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-17 22:20:48,165 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 180 transitions. [2020-07-17 22:20:48,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-07-17 22:20:48,169 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:20:48,169 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 22:20:48,384 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-07-17 22:20:48,385 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:20:48,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:20:48,386 INFO L82 PathProgramCache]: Analyzing trace with hash -2119203654, now seen corresponding path program 1 times [2020-07-17 22:20:48,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:20:48,386 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833223898] [2020-07-17 22:20:48,387 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:20:48,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:48,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:48,443 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,443 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3550#true} {3550#true} #47#return; {3550#true} is VALID [2020-07-17 22:20:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:48,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:48,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:48,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:48,608 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,609 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,609 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:48,609 INFO L280 TraceCheckUtils]: 3: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,611 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 22:20:48,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:48,619 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,620 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:48,620 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,623 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 22:20:48,627 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3811#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:48,628 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 22:20:48,629 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 22:20:48,629 INFO L263 TraceCheckUtils]: 3: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:48,629 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,630 INFO L280 TraceCheckUtils]: 5: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,630 INFO L280 TraceCheckUtils]: 6: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:48,630 INFO L280 TraceCheckUtils]: 7: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,631 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 22:20:48,632 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 22:20:48,632 INFO L263 TraceCheckUtils]: 10: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:48,632 INFO L280 TraceCheckUtils]: 11: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,633 INFO L280 TraceCheckUtils]: 12: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:48,633 INFO L280 TraceCheckUtils]: 13: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,634 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 22:20:48,635 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~ret3;havoc #t~ret2; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:48,636 INFO L280 TraceCheckUtils]: 16: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume true; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:48,637 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 22:20:48,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:48,643 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,643 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,644 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:48,644 INFO L280 TraceCheckUtils]: 3: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,645 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 22:20:48,646 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:48,647 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 22:20:48,648 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 22:20:48,648 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 22:20:48,649 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~n := #in~n; {3811#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:48,650 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 22:20:48,651 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 22:20:48,651 INFO L263 TraceCheckUtils]: 7: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:48,651 INFO L280 TraceCheckUtils]: 8: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,652 INFO L280 TraceCheckUtils]: 9: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,652 INFO L280 TraceCheckUtils]: 10: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:48,652 INFO L280 TraceCheckUtils]: 11: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,653 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 22:20:48,654 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 22:20:48,654 INFO L263 TraceCheckUtils]: 14: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:48,654 INFO L280 TraceCheckUtils]: 15: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,654 INFO L280 TraceCheckUtils]: 16: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:48,655 INFO L280 TraceCheckUtils]: 17: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,656 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 22:20:48,657 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~ret3;havoc #t~ret2; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:48,658 INFO L280 TraceCheckUtils]: 20: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume true; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:48,659 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 22:20:48,660 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 22:20:48,661 INFO L263 TraceCheckUtils]: 23: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-17 22:20:48,661 INFO L280 TraceCheckUtils]: 24: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,661 INFO L280 TraceCheckUtils]: 25: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,687 INFO L280 TraceCheckUtils]: 26: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:48,687 INFO L280 TraceCheckUtils]: 27: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,690 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 22:20:48,691 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~ret1;havoc #t~ret0; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:48,691 INFO L280 TraceCheckUtils]: 30: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} assume true; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:48,692 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {3805#(<= 3 |fibo1_#in~n|)} {3550#true} #53#return; {3780#(<= 4 fibo2_~n)} is VALID [2020-07-17 22:20:48,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:48,717 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:48,718 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 22:20:48,719 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 22:20:48,719 INFO L280 TraceCheckUtils]: 3: Hoare triple {3823#(<= |fibo1_#in~n| 1)} assume true; {3823#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:48,720 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3823#(<= |fibo1_#in~n| 1)} {3780#(<= 4 fibo2_~n)} #55#return; {3551#false} is VALID [2020-07-17 22:20:48,721 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,721 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,721 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:48,721 INFO L263 TraceCheckUtils]: 3: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:48,722 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:48,723 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 22:20:48,723 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 22:20:48,723 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 22:20:48,724 INFO L280 TraceCheckUtils]: 8: Hoare triple {3550#true} ~n := #in~n; {3811#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:48,725 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 22:20:48,726 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 22:20:48,726 INFO L263 TraceCheckUtils]: 11: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:48,726 INFO L280 TraceCheckUtils]: 12: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,726 INFO L280 TraceCheckUtils]: 13: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,726 INFO L280 TraceCheckUtils]: 14: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:48,727 INFO L280 TraceCheckUtils]: 15: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,727 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 22:20:48,728 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 22:20:48,728 INFO L263 TraceCheckUtils]: 18: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:48,728 INFO L280 TraceCheckUtils]: 19: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,729 INFO L280 TraceCheckUtils]: 20: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:48,729 INFO L280 TraceCheckUtils]: 21: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,730 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 22:20:48,730 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~ret3;havoc #t~ret2; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:48,731 INFO L280 TraceCheckUtils]: 24: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume true; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:48,732 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 22:20:48,732 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 22:20:48,733 INFO L263 TraceCheckUtils]: 27: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-17 22:20:48,733 INFO L280 TraceCheckUtils]: 28: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,733 INFO L280 TraceCheckUtils]: 29: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,733 INFO L280 TraceCheckUtils]: 30: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:48,734 INFO L280 TraceCheckUtils]: 31: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,735 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 22:20:48,735 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~ret1;havoc #t~ret0; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:48,736 INFO L280 TraceCheckUtils]: 34: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} assume true; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:48,737 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {3805#(<= 3 |fibo1_#in~n|)} {3550#true} #53#return; {3780#(<= 4 fibo2_~n)} is VALID [2020-07-17 22:20:48,737 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 22:20:48,737 INFO L263 TraceCheckUtils]: 37: Hoare triple {3780#(<= 4 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:48,738 INFO L280 TraceCheckUtils]: 38: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:48,739 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 22:20:48,739 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 22:20:48,740 INFO L280 TraceCheckUtils]: 41: Hoare triple {3823#(<= |fibo1_#in~n| 1)} assume true; {3823#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:48,741 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {3823#(<= |fibo1_#in~n| 1)} {3780#(<= 4 fibo2_~n)} #55#return; {3551#false} is VALID [2020-07-17 22:20:48,741 INFO L280 TraceCheckUtils]: 43: Hoare triple {3551#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {3551#false} is VALID [2020-07-17 22:20:48,741 INFO L280 TraceCheckUtils]: 44: Hoare triple {3551#false} assume true; {3551#false} is VALID [2020-07-17 22:20:48,742 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {3551#false} {3550#true} #57#return; {3551#false} is VALID [2020-07-17 22:20:48,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:48,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:48,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:48,779 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,780 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,780 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:48,780 INFO L280 TraceCheckUtils]: 3: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,780 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-17 22:20:48,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:48,784 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,785 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:48,785 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,785 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-17 22:20:48,785 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,786 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,786 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:48,786 INFO L263 TraceCheckUtils]: 3: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:48,786 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,787 INFO L280 TraceCheckUtils]: 5: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,787 INFO L280 TraceCheckUtils]: 6: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:48,787 INFO L280 TraceCheckUtils]: 7: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,787 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-17 22:20:48,787 INFO L280 TraceCheckUtils]: 9: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:48,788 INFO L263 TraceCheckUtils]: 10: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:48,788 INFO L280 TraceCheckUtils]: 11: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,788 INFO L280 TraceCheckUtils]: 12: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:48,788 INFO L280 TraceCheckUtils]: 13: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,789 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-17 22:20:48,789 INFO L280 TraceCheckUtils]: 15: Hoare triple {3550#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {3550#true} is VALID [2020-07-17 22:20:48,789 INFO L280 TraceCheckUtils]: 16: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,789 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {3550#true} {3550#true} #57#return; {3550#true} is VALID [2020-07-17 22:20:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:48,794 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,794 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,794 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:48,794 INFO L280 TraceCheckUtils]: 3: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,795 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3550#true} {3550#true} #59#return; {3550#true} is VALID [2020-07-17 22:20:48,795 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,795 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,795 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:48,796 INFO L263 TraceCheckUtils]: 3: Hoare triple {3550#true} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-17 22:20:48,796 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,796 INFO L280 TraceCheckUtils]: 5: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,796 INFO L280 TraceCheckUtils]: 6: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:48,796 INFO L263 TraceCheckUtils]: 7: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:48,797 INFO L280 TraceCheckUtils]: 8: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,797 INFO L280 TraceCheckUtils]: 9: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,797 INFO L280 TraceCheckUtils]: 10: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:48,797 INFO L280 TraceCheckUtils]: 11: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,798 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-17 22:20:48,798 INFO L280 TraceCheckUtils]: 13: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:48,798 INFO L263 TraceCheckUtils]: 14: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:48,798 INFO L280 TraceCheckUtils]: 15: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,798 INFO L280 TraceCheckUtils]: 16: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:48,799 INFO L280 TraceCheckUtils]: 17: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,799 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-17 22:20:48,799 INFO L280 TraceCheckUtils]: 19: Hoare triple {3550#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {3550#true} is VALID [2020-07-17 22:20:48,799 INFO L280 TraceCheckUtils]: 20: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,800 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {3550#true} {3550#true} #57#return; {3550#true} is VALID [2020-07-17 22:20:48,800 INFO L280 TraceCheckUtils]: 22: Hoare triple {3550#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:48,800 INFO L263 TraceCheckUtils]: 23: Hoare triple {3550#true} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-17 22:20:48,800 INFO L280 TraceCheckUtils]: 24: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,800 INFO L280 TraceCheckUtils]: 25: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,801 INFO L280 TraceCheckUtils]: 26: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:48,801 INFO L280 TraceCheckUtils]: 27: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,801 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {3550#true} {3550#true} #59#return; {3550#true} is VALID [2020-07-17 22:20:48,801 INFO L280 TraceCheckUtils]: 29: Hoare triple {3550#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {3550#true} is VALID [2020-07-17 22:20:48,801 INFO L280 TraceCheckUtils]: 30: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,802 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-17 22:20:48,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:48,806 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,807 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,807 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:48,807 INFO L280 TraceCheckUtils]: 3: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,808 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-17 22:20:48,808 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,808 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,808 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:48,809 INFO L263 TraceCheckUtils]: 3: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:48,809 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,809 INFO L280 TraceCheckUtils]: 5: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,809 INFO L280 TraceCheckUtils]: 6: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:48,810 INFO L263 TraceCheckUtils]: 7: Hoare triple {3550#true} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-17 22:20:48,810 INFO L280 TraceCheckUtils]: 8: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,810 INFO L280 TraceCheckUtils]: 9: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,810 INFO L280 TraceCheckUtils]: 10: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:48,810 INFO L263 TraceCheckUtils]: 11: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:48,810 INFO L280 TraceCheckUtils]: 12: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,811 INFO L280 TraceCheckUtils]: 13: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,811 INFO L280 TraceCheckUtils]: 14: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:48,811 INFO L280 TraceCheckUtils]: 15: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,811 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-17 22:20:48,811 INFO L280 TraceCheckUtils]: 17: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:48,812 INFO L263 TraceCheckUtils]: 18: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:48,812 INFO L280 TraceCheckUtils]: 19: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,812 INFO L280 TraceCheckUtils]: 20: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:48,812 INFO L280 TraceCheckUtils]: 21: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,812 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-17 22:20:48,813 INFO L280 TraceCheckUtils]: 23: Hoare triple {3550#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {3550#true} is VALID [2020-07-17 22:20:48,813 INFO L280 TraceCheckUtils]: 24: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,813 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {3550#true} {3550#true} #57#return; {3550#true} is VALID [2020-07-17 22:20:48,813 INFO L280 TraceCheckUtils]: 26: Hoare triple {3550#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:48,813 INFO L263 TraceCheckUtils]: 27: Hoare triple {3550#true} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-17 22:20:48,814 INFO L280 TraceCheckUtils]: 28: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,814 INFO L280 TraceCheckUtils]: 29: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,814 INFO L280 TraceCheckUtils]: 30: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:48,814 INFO L280 TraceCheckUtils]: 31: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,814 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {3550#true} {3550#true} #59#return; {3550#true} is VALID [2020-07-17 22:20:48,814 INFO L280 TraceCheckUtils]: 33: Hoare triple {3550#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {3550#true} is VALID [2020-07-17 22:20:48,815 INFO L280 TraceCheckUtils]: 34: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,815 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-17 22:20:48,815 INFO L280 TraceCheckUtils]: 36: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:48,815 INFO L263 TraceCheckUtils]: 37: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:48,815 INFO L280 TraceCheckUtils]: 38: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,816 INFO L280 TraceCheckUtils]: 39: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,816 INFO L280 TraceCheckUtils]: 40: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:48,816 INFO L280 TraceCheckUtils]: 41: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,816 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-17 22:20:48,816 INFO L280 TraceCheckUtils]: 43: Hoare triple {3550#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {3550#true} is VALID [2020-07-17 22:20:48,817 INFO L280 TraceCheckUtils]: 44: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,817 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {3550#true} {3551#false} #59#return; {3551#false} is VALID [2020-07-17 22:20:48,818 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,818 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,818 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:48,819 INFO L263 TraceCheckUtils]: 3: Hoare triple {3550#true} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-17 22:20:48,819 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,819 INFO L280 TraceCheckUtils]: 5: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,819 INFO L280 TraceCheckUtils]: 6: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:48,819 INFO L263 TraceCheckUtils]: 7: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:48,820 INFO L280 TraceCheckUtils]: 8: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:48,821 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 22:20:48,822 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 22:20:48,822 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 22:20:48,822 INFO L280 TraceCheckUtils]: 12: Hoare triple {3550#true} ~n := #in~n; {3811#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:48,823 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 22:20:48,824 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 22:20:48,824 INFO L263 TraceCheckUtils]: 15: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:48,825 INFO L280 TraceCheckUtils]: 16: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,825 INFO L280 TraceCheckUtils]: 17: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,825 INFO L280 TraceCheckUtils]: 18: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:48,825 INFO L280 TraceCheckUtils]: 19: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,826 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 22:20:48,827 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 22:20:48,827 INFO L263 TraceCheckUtils]: 22: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:48,827 INFO L280 TraceCheckUtils]: 23: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,828 INFO L280 TraceCheckUtils]: 24: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:48,828 INFO L280 TraceCheckUtils]: 25: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,829 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 22:20:48,829 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~ret3;havoc #t~ret2; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:48,830 INFO L280 TraceCheckUtils]: 28: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume true; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:48,831 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 22:20:48,832 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 22:20:48,832 INFO L263 TraceCheckUtils]: 31: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-17 22:20:48,832 INFO L280 TraceCheckUtils]: 32: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,832 INFO L280 TraceCheckUtils]: 33: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,832 INFO L280 TraceCheckUtils]: 34: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:48,833 INFO L280 TraceCheckUtils]: 35: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,834 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 22:20:48,834 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~ret1;havoc #t~ret0; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:48,835 INFO L280 TraceCheckUtils]: 38: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} assume true; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:48,836 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {3805#(<= 3 |fibo1_#in~n|)} {3550#true} #53#return; {3780#(<= 4 fibo2_~n)} is VALID [2020-07-17 22:20:48,837 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 22:20:48,837 INFO L263 TraceCheckUtils]: 41: Hoare triple {3780#(<= 4 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:48,837 INFO L280 TraceCheckUtils]: 42: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:48,838 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 22:20:48,839 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 22:20:48,839 INFO L280 TraceCheckUtils]: 45: Hoare triple {3823#(<= |fibo1_#in~n| 1)} assume true; {3823#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:48,840 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {3823#(<= |fibo1_#in~n| 1)} {3780#(<= 4 fibo2_~n)} #55#return; {3551#false} is VALID [2020-07-17 22:20:48,841 INFO L280 TraceCheckUtils]: 47: Hoare triple {3551#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {3551#false} is VALID [2020-07-17 22:20:48,841 INFO L280 TraceCheckUtils]: 48: Hoare triple {3551#false} assume true; {3551#false} is VALID [2020-07-17 22:20:48,841 INFO L275 TraceCheckUtils]: 49: Hoare quadruple {3551#false} {3550#true} #57#return; {3551#false} is VALID [2020-07-17 22:20:48,841 INFO L280 TraceCheckUtils]: 50: Hoare triple {3551#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3551#false} is VALID [2020-07-17 22:20:48,842 INFO L263 TraceCheckUtils]: 51: Hoare triple {3551#false} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-17 22:20:48,842 INFO L280 TraceCheckUtils]: 52: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,842 INFO L280 TraceCheckUtils]: 53: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,842 INFO L280 TraceCheckUtils]: 54: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:48,843 INFO L263 TraceCheckUtils]: 55: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:48,843 INFO L280 TraceCheckUtils]: 56: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,843 INFO L280 TraceCheckUtils]: 57: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,843 INFO L280 TraceCheckUtils]: 58: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:48,843 INFO L263 TraceCheckUtils]: 59: Hoare triple {3550#true} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-17 22:20:48,844 INFO L280 TraceCheckUtils]: 60: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,844 INFO L280 TraceCheckUtils]: 61: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,844 INFO L280 TraceCheckUtils]: 62: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:48,844 INFO L263 TraceCheckUtils]: 63: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:48,844 INFO L280 TraceCheckUtils]: 64: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,845 INFO L280 TraceCheckUtils]: 65: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,845 INFO L280 TraceCheckUtils]: 66: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:48,845 INFO L280 TraceCheckUtils]: 67: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,845 INFO L275 TraceCheckUtils]: 68: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-17 22:20:48,845 INFO L280 TraceCheckUtils]: 69: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:48,846 INFO L263 TraceCheckUtils]: 70: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:48,846 INFO L280 TraceCheckUtils]: 71: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,846 INFO L280 TraceCheckUtils]: 72: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:48,846 INFO L280 TraceCheckUtils]: 73: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,846 INFO L275 TraceCheckUtils]: 74: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-17 22:20:48,847 INFO L280 TraceCheckUtils]: 75: Hoare triple {3550#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {3550#true} is VALID [2020-07-17 22:20:48,847 INFO L280 TraceCheckUtils]: 76: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,847 INFO L275 TraceCheckUtils]: 77: Hoare quadruple {3550#true} {3550#true} #57#return; {3550#true} is VALID [2020-07-17 22:20:48,847 INFO L280 TraceCheckUtils]: 78: Hoare triple {3550#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:48,847 INFO L263 TraceCheckUtils]: 79: Hoare triple {3550#true} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-17 22:20:48,848 INFO L280 TraceCheckUtils]: 80: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,848 INFO L280 TraceCheckUtils]: 81: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,848 INFO L280 TraceCheckUtils]: 82: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:48,848 INFO L280 TraceCheckUtils]: 83: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,849 INFO L275 TraceCheckUtils]: 84: Hoare quadruple {3550#true} {3550#true} #59#return; {3550#true} is VALID [2020-07-17 22:20:48,849 INFO L280 TraceCheckUtils]: 85: Hoare triple {3550#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {3550#true} is VALID [2020-07-17 22:20:48,849 INFO L280 TraceCheckUtils]: 86: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,849 INFO L275 TraceCheckUtils]: 87: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-17 22:20:48,849 INFO L280 TraceCheckUtils]: 88: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:48,850 INFO L263 TraceCheckUtils]: 89: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:48,850 INFO L280 TraceCheckUtils]: 90: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,850 INFO L280 TraceCheckUtils]: 91: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,850 INFO L280 TraceCheckUtils]: 92: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:48,850 INFO L280 TraceCheckUtils]: 93: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,850 INFO L275 TraceCheckUtils]: 94: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-17 22:20:48,851 INFO L280 TraceCheckUtils]: 95: Hoare triple {3550#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {3550#true} is VALID [2020-07-17 22:20:48,851 INFO L280 TraceCheckUtils]: 96: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,851 INFO L275 TraceCheckUtils]: 97: Hoare quadruple {3550#true} {3551#false} #59#return; {3551#false} is VALID [2020-07-17 22:20:48,851 INFO L280 TraceCheckUtils]: 98: Hoare triple {3551#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {3551#false} is VALID [2020-07-17 22:20:48,851 INFO L280 TraceCheckUtils]: 99: Hoare triple {3551#false} assume true; {3551#false} is VALID [2020-07-17 22:20:48,852 INFO L275 TraceCheckUtils]: 100: Hoare quadruple {3551#false} {3554#(<= 6 main_~x~0)} #51#return; {3551#false} is VALID [2020-07-17 22:20:48,862 INFO L263 TraceCheckUtils]: 0: Hoare triple {3550#true} call ULTIMATE.init(); {3550#true} is VALID [2020-07-17 22:20:48,863 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,863 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3550#true} {3550#true} #47#return; {3550#true} is VALID [2020-07-17 22:20:48,863 INFO L263 TraceCheckUtils]: 3: Hoare triple {3550#true} call #t~ret5 := main(); {3550#true} is VALID [2020-07-17 22:20:48,864 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~x~0 := 6; {3554#(<= 6 main_~x~0)} is VALID [2020-07-17 22:20:48,865 INFO L263 TraceCheckUtils]: 5: Hoare triple {3554#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {3550#true} is VALID [2020-07-17 22:20:48,865 INFO L280 TraceCheckUtils]: 6: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,865 INFO L280 TraceCheckUtils]: 7: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,865 INFO L280 TraceCheckUtils]: 8: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:48,865 INFO L263 TraceCheckUtils]: 9: Hoare triple {3550#true} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-17 22:20:48,866 INFO L280 TraceCheckUtils]: 10: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,866 INFO L280 TraceCheckUtils]: 11: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,866 INFO L280 TraceCheckUtils]: 12: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:48,866 INFO L263 TraceCheckUtils]: 13: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:48,867 INFO L280 TraceCheckUtils]: 14: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:48,867 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 22:20:48,868 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 22:20:48,868 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 22:20:48,869 INFO L280 TraceCheckUtils]: 18: Hoare triple {3550#true} ~n := #in~n; {3811#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:48,869 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 22:20:48,870 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 22:20:48,870 INFO L263 TraceCheckUtils]: 21: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:48,871 INFO L280 TraceCheckUtils]: 22: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,871 INFO L280 TraceCheckUtils]: 23: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,871 INFO L280 TraceCheckUtils]: 24: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:48,871 INFO L280 TraceCheckUtils]: 25: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,872 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 22:20:48,873 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 22:20:48,873 INFO L263 TraceCheckUtils]: 28: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:48,873 INFO L280 TraceCheckUtils]: 29: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,874 INFO L280 TraceCheckUtils]: 30: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:48,874 INFO L280 TraceCheckUtils]: 31: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,875 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 22:20:48,876 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~ret3;havoc #t~ret2; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:48,877 INFO L280 TraceCheckUtils]: 34: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume true; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:48,878 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 22:20:48,879 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 22:20:48,879 INFO L263 TraceCheckUtils]: 37: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-17 22:20:48,880 INFO L280 TraceCheckUtils]: 38: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,880 INFO L280 TraceCheckUtils]: 39: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,880 INFO L280 TraceCheckUtils]: 40: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:48,880 INFO L280 TraceCheckUtils]: 41: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,882 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 22:20:48,882 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~ret1;havoc #t~ret0; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:48,883 INFO L280 TraceCheckUtils]: 44: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} assume true; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:48,884 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {3805#(<= 3 |fibo1_#in~n|)} {3550#true} #53#return; {3780#(<= 4 fibo2_~n)} is VALID [2020-07-17 22:20:48,885 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 22:20:48,885 INFO L263 TraceCheckUtils]: 47: Hoare triple {3780#(<= 4 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:48,886 INFO L280 TraceCheckUtils]: 48: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:48,886 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 22:20:48,887 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 22:20:48,887 INFO L280 TraceCheckUtils]: 51: Hoare triple {3823#(<= |fibo1_#in~n| 1)} assume true; {3823#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:48,889 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {3823#(<= |fibo1_#in~n| 1)} {3780#(<= 4 fibo2_~n)} #55#return; {3551#false} is VALID [2020-07-17 22:20:48,889 INFO L280 TraceCheckUtils]: 53: Hoare triple {3551#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {3551#false} is VALID [2020-07-17 22:20:48,889 INFO L280 TraceCheckUtils]: 54: Hoare triple {3551#false} assume true; {3551#false} is VALID [2020-07-17 22:20:48,890 INFO L275 TraceCheckUtils]: 55: Hoare quadruple {3551#false} {3550#true} #57#return; {3551#false} is VALID [2020-07-17 22:20:48,890 INFO L280 TraceCheckUtils]: 56: Hoare triple {3551#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3551#false} is VALID [2020-07-17 22:20:48,890 INFO L263 TraceCheckUtils]: 57: Hoare triple {3551#false} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-17 22:20:48,890 INFO L280 TraceCheckUtils]: 58: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,891 INFO L280 TraceCheckUtils]: 59: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,891 INFO L280 TraceCheckUtils]: 60: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:48,891 INFO L263 TraceCheckUtils]: 61: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:48,892 INFO L280 TraceCheckUtils]: 62: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,892 INFO L280 TraceCheckUtils]: 63: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,892 INFO L280 TraceCheckUtils]: 64: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:48,892 INFO L263 TraceCheckUtils]: 65: Hoare triple {3550#true} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-17 22:20:48,893 INFO L280 TraceCheckUtils]: 66: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,893 INFO L280 TraceCheckUtils]: 67: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,893 INFO L280 TraceCheckUtils]: 68: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:48,893 INFO L263 TraceCheckUtils]: 69: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:48,894 INFO L280 TraceCheckUtils]: 70: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,894 INFO L280 TraceCheckUtils]: 71: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,894 INFO L280 TraceCheckUtils]: 72: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:48,894 INFO L280 TraceCheckUtils]: 73: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,895 INFO L275 TraceCheckUtils]: 74: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-17 22:20:48,895 INFO L280 TraceCheckUtils]: 75: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:48,895 INFO L263 TraceCheckUtils]: 76: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:48,896 INFO L280 TraceCheckUtils]: 77: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,896 INFO L280 TraceCheckUtils]: 78: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:48,896 INFO L280 TraceCheckUtils]: 79: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,896 INFO L275 TraceCheckUtils]: 80: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-17 22:20:48,897 INFO L280 TraceCheckUtils]: 81: Hoare triple {3550#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {3550#true} is VALID [2020-07-17 22:20:48,897 INFO L280 TraceCheckUtils]: 82: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,897 INFO L275 TraceCheckUtils]: 83: Hoare quadruple {3550#true} {3550#true} #57#return; {3550#true} is VALID [2020-07-17 22:20:48,897 INFO L280 TraceCheckUtils]: 84: Hoare triple {3550#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:48,898 INFO L263 TraceCheckUtils]: 85: Hoare triple {3550#true} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-17 22:20:48,898 INFO L280 TraceCheckUtils]: 86: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,898 INFO L280 TraceCheckUtils]: 87: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,898 INFO L280 TraceCheckUtils]: 88: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:48,898 INFO L280 TraceCheckUtils]: 89: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,899 INFO L275 TraceCheckUtils]: 90: Hoare quadruple {3550#true} {3550#true} #59#return; {3550#true} is VALID [2020-07-17 22:20:48,899 INFO L280 TraceCheckUtils]: 91: Hoare triple {3550#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {3550#true} is VALID [2020-07-17 22:20:48,899 INFO L280 TraceCheckUtils]: 92: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,899 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-17 22:20:48,899 INFO L280 TraceCheckUtils]: 94: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:48,900 INFO L263 TraceCheckUtils]: 95: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:48,900 INFO L280 TraceCheckUtils]: 96: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:48,900 INFO L280 TraceCheckUtils]: 97: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:48,900 INFO L280 TraceCheckUtils]: 98: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:48,900 INFO L280 TraceCheckUtils]: 99: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,900 INFO L275 TraceCheckUtils]: 100: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-17 22:20:48,901 INFO L280 TraceCheckUtils]: 101: Hoare triple {3550#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {3550#true} is VALID [2020-07-17 22:20:48,901 INFO L280 TraceCheckUtils]: 102: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:48,901 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {3550#true} {3551#false} #59#return; {3551#false} is VALID [2020-07-17 22:20:48,901 INFO L280 TraceCheckUtils]: 104: Hoare triple {3551#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {3551#false} is VALID [2020-07-17 22:20:48,901 INFO L280 TraceCheckUtils]: 105: Hoare triple {3551#false} assume true; {3551#false} is VALID [2020-07-17 22:20:48,902 INFO L275 TraceCheckUtils]: 106: Hoare quadruple {3551#false} {3554#(<= 6 main_~x~0)} #51#return; {3551#false} is VALID [2020-07-17 22:20:48,902 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 22:20:48,902 INFO L280 TraceCheckUtils]: 108: Hoare triple {3551#false} assume 8 == ~result~0; {3551#false} is VALID [2020-07-17 22:20:48,902 INFO L280 TraceCheckUtils]: 109: Hoare triple {3551#false} assume !false; {3551#false} is VALID [2020-07-17 22:20:48,911 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 22:20:48,911 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833223898] [2020-07-17 22:20:48,911 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826243450] [2020-07-17 22:20:48,912 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 22:20:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:48,969 INFO L264 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-17 22:20:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:48,995 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 22:20:49,253 INFO L263 TraceCheckUtils]: 0: Hoare triple {3550#true} call ULTIMATE.init(); {3550#true} is VALID [2020-07-17 22:20:49,253 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:49,253 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3550#true} {3550#true} #47#return; {3550#true} is VALID [2020-07-17 22:20:49,254 INFO L263 TraceCheckUtils]: 3: Hoare triple {3550#true} call #t~ret5 := main(); {3550#true} is VALID [2020-07-17 22:20:49,255 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~x~0 := 6; {3554#(<= 6 main_~x~0)} is VALID [2020-07-17 22:20:49,255 INFO L263 TraceCheckUtils]: 5: Hoare triple {3554#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {3550#true} is VALID [2020-07-17 22:20:49,256 INFO L280 TraceCheckUtils]: 6: Hoare triple {3550#true} ~n := #in~n; {3914#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:49,256 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 22:20:49,257 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 22:20:49,257 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 22:20:49,258 INFO L280 TraceCheckUtils]: 10: Hoare triple {3550#true} ~n := #in~n; {3927#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:49,258 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 22:20:49,259 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 22:20:49,259 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 22:20:49,259 INFO L280 TraceCheckUtils]: 14: Hoare triple {3550#true} ~n := #in~n; {3914#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:49,260 INFO L280 TraceCheckUtils]: 15: Hoare triple {3914#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {3914#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:49,260 INFO L280 TraceCheckUtils]: 16: Hoare triple {3914#(<= |fibo1_#in~n| fibo1_~n)} assume !(1 == ~n); {3914#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:49,261 INFO L263 TraceCheckUtils]: 17: Hoare triple {3914#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-17 22:20:49,261 INFO L280 TraceCheckUtils]: 18: Hoare triple {3550#true} ~n := #in~n; {3927#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:49,262 INFO L280 TraceCheckUtils]: 19: Hoare triple {3927#(<= |fibo2_#in~n| fibo2_~n)} assume !(~n < 1); {3927#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:49,262 INFO L280 TraceCheckUtils]: 20: Hoare triple {3927#(<= |fibo2_#in~n| fibo2_~n)} assume !(1 == ~n); {3927#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:49,262 INFO L263 TraceCheckUtils]: 21: Hoare triple {3927#(<= |fibo2_#in~n| fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:49,263 INFO L280 TraceCheckUtils]: 22: Hoare triple {3550#true} ~n := #in~n; {3914#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:49,263 INFO L280 TraceCheckUtils]: 23: Hoare triple {3914#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {3914#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:49,264 INFO L280 TraceCheckUtils]: 24: Hoare triple {3914#(<= |fibo1_#in~n| fibo1_~n)} assume 1 == ~n;#res := 1; {3823#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:49,264 INFO L280 TraceCheckUtils]: 25: Hoare triple {3823#(<= |fibo1_#in~n| 1)} assume true; {3823#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:49,265 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {3823#(<= |fibo1_#in~n| 1)} {3927#(<= |fibo2_#in~n| fibo2_~n)} #53#return; {3976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:49,266 INFO L280 TraceCheckUtils]: 27: Hoare triple {3976#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:49,266 INFO L263 TraceCheckUtils]: 28: Hoare triple {3976#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:49,266 INFO L280 TraceCheckUtils]: 29: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:49,266 INFO L280 TraceCheckUtils]: 30: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:49,267 INFO L280 TraceCheckUtils]: 31: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:49,268 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {3550#true} {3976#(<= |fibo2_#in~n| 2)} #55#return; {3976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:49,268 INFO L280 TraceCheckUtils]: 33: Hoare triple {3976#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {3976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:49,269 INFO L280 TraceCheckUtils]: 34: Hoare triple {3976#(<= |fibo2_#in~n| 2)} assume true; {3976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:49,270 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {3976#(<= |fibo2_#in~n| 2)} {3914#(<= |fibo1_#in~n| fibo1_~n)} #57#return; {4004#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:49,270 INFO L280 TraceCheckUtils]: 36: Hoare triple {4004#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4004#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:49,270 INFO L263 TraceCheckUtils]: 37: Hoare triple {4004#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-17 22:20:49,271 INFO L280 TraceCheckUtils]: 38: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:49,271 INFO L280 TraceCheckUtils]: 39: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:49,271 INFO L280 TraceCheckUtils]: 40: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:49,271 INFO L280 TraceCheckUtils]: 41: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:49,272 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {3550#true} {4004#(<= |fibo1_#in~n| 3)} #59#return; {4004#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:49,273 INFO L280 TraceCheckUtils]: 43: Hoare triple {4004#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4004#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:49,273 INFO L280 TraceCheckUtils]: 44: Hoare triple {4004#(<= |fibo1_#in~n| 3)} assume true; {4004#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:49,274 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {4004#(<= |fibo1_#in~n| 3)} {3927#(<= |fibo2_#in~n| fibo2_~n)} #53#return; {4035#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:49,275 INFO L280 TraceCheckUtils]: 46: Hoare triple {4035#(<= |fibo2_#in~n| 4)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4035#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:49,275 INFO L263 TraceCheckUtils]: 47: Hoare triple {4035#(<= |fibo2_#in~n| 4)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:49,275 INFO L280 TraceCheckUtils]: 48: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:49,275 INFO L280 TraceCheckUtils]: 49: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:49,276 INFO L280 TraceCheckUtils]: 50: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:49,276 INFO L280 TraceCheckUtils]: 51: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:49,277 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {3550#true} {4035#(<= |fibo2_#in~n| 4)} #55#return; {4035#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:49,277 INFO L280 TraceCheckUtils]: 53: Hoare triple {4035#(<= |fibo2_#in~n| 4)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {4035#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:49,277 INFO L280 TraceCheckUtils]: 54: Hoare triple {4035#(<= |fibo2_#in~n| 4)} assume true; {4035#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:49,279 INFO L275 TraceCheckUtils]: 55: Hoare quadruple {4035#(<= |fibo2_#in~n| 4)} {3914#(<= |fibo1_#in~n| fibo1_~n)} #57#return; {4066#(<= |fibo1_#in~n| 5)} is VALID [2020-07-17 22:20:49,279 INFO L280 TraceCheckUtils]: 56: Hoare triple {4066#(<= |fibo1_#in~n| 5)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4066#(<= |fibo1_#in~n| 5)} is VALID [2020-07-17 22:20:49,279 INFO L263 TraceCheckUtils]: 57: Hoare triple {4066#(<= |fibo1_#in~n| 5)} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-17 22:20:49,279 INFO L280 TraceCheckUtils]: 58: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:49,280 INFO L280 TraceCheckUtils]: 59: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:49,280 INFO L280 TraceCheckUtils]: 60: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:49,280 INFO L263 TraceCheckUtils]: 61: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:49,280 INFO L280 TraceCheckUtils]: 62: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:49,280 INFO L280 TraceCheckUtils]: 63: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:49,281 INFO L280 TraceCheckUtils]: 64: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:49,281 INFO L263 TraceCheckUtils]: 65: Hoare triple {3550#true} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-17 22:20:49,281 INFO L280 TraceCheckUtils]: 66: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:49,281 INFO L280 TraceCheckUtils]: 67: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:49,281 INFO L280 TraceCheckUtils]: 68: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:49,281 INFO L263 TraceCheckUtils]: 69: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:49,282 INFO L280 TraceCheckUtils]: 70: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:49,282 INFO L280 TraceCheckUtils]: 71: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:49,282 INFO L280 TraceCheckUtils]: 72: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:49,282 INFO L280 TraceCheckUtils]: 73: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:49,282 INFO L275 TraceCheckUtils]: 74: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-17 22:20:49,282 INFO L280 TraceCheckUtils]: 75: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:49,283 INFO L263 TraceCheckUtils]: 76: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:49,283 INFO L280 TraceCheckUtils]: 77: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:49,283 INFO L280 TraceCheckUtils]: 78: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:49,283 INFO L280 TraceCheckUtils]: 79: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:49,283 INFO L275 TraceCheckUtils]: 80: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-17 22:20:49,284 INFO L280 TraceCheckUtils]: 81: Hoare triple {3550#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {3550#true} is VALID [2020-07-17 22:20:49,284 INFO L280 TraceCheckUtils]: 82: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:49,284 INFO L275 TraceCheckUtils]: 83: Hoare quadruple {3550#true} {3550#true} #57#return; {3550#true} is VALID [2020-07-17 22:20:49,284 INFO L280 TraceCheckUtils]: 84: Hoare triple {3550#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:49,284 INFO L263 TraceCheckUtils]: 85: Hoare triple {3550#true} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-17 22:20:49,284 INFO L280 TraceCheckUtils]: 86: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:49,285 INFO L280 TraceCheckUtils]: 87: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:49,285 INFO L280 TraceCheckUtils]: 88: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:49,285 INFO L280 TraceCheckUtils]: 89: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:49,285 INFO L275 TraceCheckUtils]: 90: Hoare quadruple {3550#true} {3550#true} #59#return; {3550#true} is VALID [2020-07-17 22:20:49,285 INFO L280 TraceCheckUtils]: 91: Hoare triple {3550#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {3550#true} is VALID [2020-07-17 22:20:49,286 INFO L280 TraceCheckUtils]: 92: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:49,286 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-17 22:20:49,286 INFO L280 TraceCheckUtils]: 94: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:49,286 INFO L263 TraceCheckUtils]: 95: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:49,286 INFO L280 TraceCheckUtils]: 96: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:49,286 INFO L280 TraceCheckUtils]: 97: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:49,287 INFO L280 TraceCheckUtils]: 98: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:49,287 INFO L280 TraceCheckUtils]: 99: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:49,287 INFO L275 TraceCheckUtils]: 100: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-17 22:20:49,287 INFO L280 TraceCheckUtils]: 101: Hoare triple {3550#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {3550#true} is VALID [2020-07-17 22:20:49,287 INFO L280 TraceCheckUtils]: 102: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:49,289 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {3550#true} {4066#(<= |fibo1_#in~n| 5)} #59#return; {4066#(<= |fibo1_#in~n| 5)} is VALID [2020-07-17 22:20:49,289 INFO L280 TraceCheckUtils]: 104: Hoare triple {4066#(<= |fibo1_#in~n| 5)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4066#(<= |fibo1_#in~n| 5)} is VALID [2020-07-17 22:20:49,290 INFO L280 TraceCheckUtils]: 105: Hoare triple {4066#(<= |fibo1_#in~n| 5)} assume true; {4066#(<= |fibo1_#in~n| 5)} is VALID [2020-07-17 22:20:49,291 INFO L275 TraceCheckUtils]: 106: Hoare quadruple {4066#(<= |fibo1_#in~n| 5)} {3554#(<= 6 main_~x~0)} #51#return; {3551#false} is VALID [2020-07-17 22:20:49,291 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 22:20:49,291 INFO L280 TraceCheckUtils]: 108: Hoare triple {3551#false} assume 8 == ~result~0; {3551#false} is VALID [2020-07-17 22:20:49,291 INFO L280 TraceCheckUtils]: 109: Hoare triple {3551#false} assume !false; {3551#false} is VALID [2020-07-17 22:20:49,301 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 17 proven. 119 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2020-07-17 22:20:49,301 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 22:20:49,301 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2020-07-17 22:20:49,302 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013293954] [2020-07-17 22:20:49,307 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 110 [2020-07-17 22:20:49,323 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:20:49,323 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states. [2020-07-17 22:20:49,444 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 101 edges. 101 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:20:49,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-07-17 22:20:49,445 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:20:49,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-07-17 22:20:49,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2020-07-17 22:20:49,446 INFO L87 Difference]: Start difference. First operand 112 states and 180 transitions. Second operand 16 states. [2020-07-17 22:20:51,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:51,588 INFO L93 Difference]: Finished difference Result 243 states and 465 transitions. [2020-07-17 22:20:51,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-07-17 22:20:51,589 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 110 [2020-07-17 22:20:51,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:20:51,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-07-17 22:20:51,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 182 transitions. [2020-07-17 22:20:51,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-07-17 22:20:51,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 182 transitions. [2020-07-17 22:20:51,602 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 26 states and 182 transitions. [2020-07-17 22:20:51,878 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 182 edges. 182 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:20:51,886 INFO L225 Difference]: With dead ends: 243 [2020-07-17 22:20:51,887 INFO L226 Difference]: Without dead ends: 110 [2020-07-17 22:20:51,889 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=153, Invalid=717, Unknown=0, NotChecked=0, Total=870 [2020-07-17 22:20:51,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-07-17 22:20:51,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 87. [2020-07-17 22:20:51,953 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:20:51,953 INFO L82 GeneralOperation]: Start isEquivalent. First operand 110 states. Second operand 87 states. [2020-07-17 22:20:51,953 INFO L74 IsIncluded]: Start isIncluded. First operand 110 states. Second operand 87 states. [2020-07-17 22:20:51,954 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 87 states. [2020-07-17 22:20:51,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:51,961 INFO L93 Difference]: Finished difference Result 110 states and 155 transitions. [2020-07-17 22:20:51,961 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 155 transitions. [2020-07-17 22:20:51,962 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:51,962 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:51,963 INFO L74 IsIncluded]: Start isIncluded. First operand 87 states. Second operand 110 states. [2020-07-17 22:20:51,963 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 110 states. [2020-07-17 22:20:51,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:51,970 INFO L93 Difference]: Finished difference Result 110 states and 155 transitions. [2020-07-17 22:20:51,970 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 155 transitions. [2020-07-17 22:20:51,971 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:51,971 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:51,971 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:20:51,971 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:20:51,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-07-17 22:20:51,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2020-07-17 22:20:51,977 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 110 [2020-07-17 22:20:51,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:20:51,977 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2020-07-17 22:20:51,977 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-07-17 22:20:51,977 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2020-07-17 22:20:51,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-07-17 22:20:51,980 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:20:51,980 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 10, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:20:52,194 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:20:52,195 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:20:52,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:20:52,196 INFO L82 PathProgramCache]: Analyzing trace with hash 930138238, now seen corresponding path program 1 times [2020-07-17 22:20:52,197 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:20:52,197 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604026658] [2020-07-17 22:20:52,197 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:20:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,275 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,276 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {4910#true} {4910#true} #47#return; {4910#true} is VALID [2020-07-17 22:20:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,496 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,496 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,497 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,497 INFO L280 TraceCheckUtils]: 3: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,498 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4910#true} {5345#(<= 2 |fibo1_#in~n|)} #57#return; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,502 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,503 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-17 22:20:52,503 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,504 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4910#true} {5345#(<= 2 |fibo1_#in~n|)} #59#return; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,504 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {5343#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,505 INFO L280 TraceCheckUtils]: 1: Hoare triple {5343#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5344#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-17 22:20:52,506 INFO L280 TraceCheckUtils]: 2: Hoare triple {5344#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,506 INFO L263 TraceCheckUtils]: 3: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,507 INFO L280 TraceCheckUtils]: 4: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,507 INFO L280 TraceCheckUtils]: 5: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,507 INFO L280 TraceCheckUtils]: 6: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,507 INFO L280 TraceCheckUtils]: 7: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,508 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {4910#true} {5345#(<= 2 |fibo1_#in~n|)} #57#return; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,509 INFO L280 TraceCheckUtils]: 9: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,509 INFO L263 TraceCheckUtils]: 10: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,510 INFO L280 TraceCheckUtils]: 11: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,510 INFO L280 TraceCheckUtils]: 12: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-17 22:20:52,510 INFO L280 TraceCheckUtils]: 13: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,511 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {4910#true} {5345#(<= 2 |fibo1_#in~n|)} #59#return; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,512 INFO L280 TraceCheckUtils]: 15: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,512 INFO L280 TraceCheckUtils]: 16: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} assume true; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,513 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {5345#(<= 2 |fibo1_#in~n|)} {5318#(= fibo2_~n |fibo2_#in~n|)} #53#return; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,518 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,518 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,519 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,519 INFO L280 TraceCheckUtils]: 3: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,520 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4910#true} {5337#(<= 3 |fibo2_#in~n|)} #55#return; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,520 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,521 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 22:20:52,521 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 22:20:52,522 INFO L263 TraceCheckUtils]: 3: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,522 INFO L280 TraceCheckUtils]: 4: Hoare triple {4910#true} ~n := #in~n; {5343#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,523 INFO L280 TraceCheckUtils]: 5: Hoare triple {5343#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5344#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-17 22:20:52,524 INFO L280 TraceCheckUtils]: 6: Hoare triple {5344#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,524 INFO L263 TraceCheckUtils]: 7: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,524 INFO L280 TraceCheckUtils]: 8: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,524 INFO L280 TraceCheckUtils]: 9: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,525 INFO L280 TraceCheckUtils]: 10: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,525 INFO L280 TraceCheckUtils]: 11: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,526 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {4910#true} {5345#(<= 2 |fibo1_#in~n|)} #57#return; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,526 INFO L280 TraceCheckUtils]: 13: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,527 INFO L263 TraceCheckUtils]: 14: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,527 INFO L280 TraceCheckUtils]: 15: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,527 INFO L280 TraceCheckUtils]: 16: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-17 22:20:52,527 INFO L280 TraceCheckUtils]: 17: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,529 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {4910#true} {5345#(<= 2 |fibo1_#in~n|)} #59#return; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,542 INFO L280 TraceCheckUtils]: 19: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,542 INFO L280 TraceCheckUtils]: 20: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} assume true; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,544 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {5345#(<= 2 |fibo1_#in~n|)} {5318#(= fibo2_~n |fibo2_#in~n|)} #53#return; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,544 INFO L280 TraceCheckUtils]: 22: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,545 INFO L263 TraceCheckUtils]: 23: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,545 INFO L280 TraceCheckUtils]: 24: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,545 INFO L280 TraceCheckUtils]: 25: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,545 INFO L280 TraceCheckUtils]: 26: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,546 INFO L280 TraceCheckUtils]: 27: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,547 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {4910#true} {5337#(<= 3 |fibo2_#in~n|)} #55#return; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,547 INFO L280 TraceCheckUtils]: 29: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,548 INFO L280 TraceCheckUtils]: 30: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} assume true; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,549 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {5337#(<= 3 |fibo2_#in~n|)} {4910#true} #57#return; {5312#(<= 4 fibo1_~n)} is VALID [2020-07-17 22:20:52,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,570 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,570 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 22:20:52,571 INFO L280 TraceCheckUtils]: 2: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {5355#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:52,572 INFO L280 TraceCheckUtils]: 3: Hoare triple {5355#(<= |fibo2_#in~n| 1)} assume true; {5355#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:52,573 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {5355#(<= |fibo2_#in~n| 1)} {5312#(<= 4 fibo1_~n)} #59#return; {4911#false} is VALID [2020-07-17 22:20:52,573 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,573 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,574 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:52,574 INFO L263 TraceCheckUtils]: 3: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,575 INFO L280 TraceCheckUtils]: 4: Hoare triple {4910#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,575 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 22:20:52,576 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 22:20:52,576 INFO L263 TraceCheckUtils]: 7: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,576 INFO L280 TraceCheckUtils]: 8: Hoare triple {4910#true} ~n := #in~n; {5343#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,577 INFO L280 TraceCheckUtils]: 9: Hoare triple {5343#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5344#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-17 22:20:52,578 INFO L280 TraceCheckUtils]: 10: Hoare triple {5344#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,578 INFO L263 TraceCheckUtils]: 11: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,579 INFO L280 TraceCheckUtils]: 12: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,579 INFO L280 TraceCheckUtils]: 13: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,579 INFO L280 TraceCheckUtils]: 14: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,579 INFO L280 TraceCheckUtils]: 15: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,580 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {4910#true} {5345#(<= 2 |fibo1_#in~n|)} #57#return; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,581 INFO L280 TraceCheckUtils]: 17: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,581 INFO L263 TraceCheckUtils]: 18: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,581 INFO L280 TraceCheckUtils]: 19: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,582 INFO L280 TraceCheckUtils]: 20: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-17 22:20:52,582 INFO L280 TraceCheckUtils]: 21: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,583 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {4910#true} {5345#(<= 2 |fibo1_#in~n|)} #59#return; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,583 INFO L280 TraceCheckUtils]: 23: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,584 INFO L280 TraceCheckUtils]: 24: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} assume true; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,585 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {5345#(<= 2 |fibo1_#in~n|)} {5318#(= fibo2_~n |fibo2_#in~n|)} #53#return; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,586 INFO L280 TraceCheckUtils]: 26: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,586 INFO L263 TraceCheckUtils]: 27: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,586 INFO L280 TraceCheckUtils]: 28: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,587 INFO L280 TraceCheckUtils]: 29: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,587 INFO L280 TraceCheckUtils]: 30: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,587 INFO L280 TraceCheckUtils]: 31: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,588 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {4910#true} {5337#(<= 3 |fibo2_#in~n|)} #55#return; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,589 INFO L280 TraceCheckUtils]: 33: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,589 INFO L280 TraceCheckUtils]: 34: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} assume true; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,591 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {5337#(<= 3 |fibo2_#in~n|)} {4910#true} #57#return; {5312#(<= 4 fibo1_~n)} is VALID [2020-07-17 22:20:52,592 INFO L280 TraceCheckUtils]: 36: Hoare triple {5312#(<= 4 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5312#(<= 4 fibo1_~n)} is VALID [2020-07-17 22:20:52,592 INFO L263 TraceCheckUtils]: 37: Hoare triple {5312#(<= 4 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,593 INFO L280 TraceCheckUtils]: 38: Hoare triple {4910#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,593 INFO L280 TraceCheckUtils]: 39: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,594 INFO L280 TraceCheckUtils]: 40: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {5355#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:52,594 INFO L280 TraceCheckUtils]: 41: Hoare triple {5355#(<= |fibo2_#in~n| 1)} assume true; {5355#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:52,595 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {5355#(<= |fibo2_#in~n| 1)} {5312#(<= 4 fibo1_~n)} #59#return; {4911#false} is VALID [2020-07-17 22:20:52,596 INFO L280 TraceCheckUtils]: 43: Hoare triple {4911#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4911#false} is VALID [2020-07-17 22:20:52,596 INFO L280 TraceCheckUtils]: 44: Hoare triple {4911#false} assume true; {4911#false} is VALID [2020-07-17 22:20:52,596 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {4911#false} {4910#true} #53#return; {4911#false} is VALID [2020-07-17 22:20:52,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,612 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,613 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,613 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,613 INFO L280 TraceCheckUtils]: 3: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,614 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-17 22:20:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,617 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,618 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-17 22:20:52,618 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,618 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-17 22:20:52,618 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,619 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,619 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:52,619 INFO L263 TraceCheckUtils]: 3: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,619 INFO L280 TraceCheckUtils]: 4: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,619 INFO L280 TraceCheckUtils]: 5: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,620 INFO L280 TraceCheckUtils]: 6: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,620 INFO L280 TraceCheckUtils]: 7: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,620 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-17 22:20:52,620 INFO L280 TraceCheckUtils]: 9: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-17 22:20:52,620 INFO L263 TraceCheckUtils]: 10: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,621 INFO L280 TraceCheckUtils]: 11: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,621 INFO L280 TraceCheckUtils]: 12: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-17 22:20:52,621 INFO L280 TraceCheckUtils]: 13: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,621 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-17 22:20:52,622 INFO L280 TraceCheckUtils]: 15: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4910#true} is VALID [2020-07-17 22:20:52,622 INFO L280 TraceCheckUtils]: 16: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,622 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {4910#true} {4911#false} #55#return; {4911#false} is VALID [2020-07-17 22:20:52,622 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,623 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,623 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:52,623 INFO L263 TraceCheckUtils]: 3: Hoare triple {4910#true} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,623 INFO L280 TraceCheckUtils]: 4: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,623 INFO L280 TraceCheckUtils]: 5: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,624 INFO L280 TraceCheckUtils]: 6: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:52,624 INFO L263 TraceCheckUtils]: 7: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,625 INFO L280 TraceCheckUtils]: 8: Hoare triple {4910#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,625 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 22:20:52,626 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 22:20:52,627 INFO L263 TraceCheckUtils]: 11: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,627 INFO L280 TraceCheckUtils]: 12: Hoare triple {4910#true} ~n := #in~n; {5343#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,629 INFO L280 TraceCheckUtils]: 13: Hoare triple {5343#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5344#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-17 22:20:52,630 INFO L280 TraceCheckUtils]: 14: Hoare triple {5344#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,630 INFO L263 TraceCheckUtils]: 15: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,630 INFO L280 TraceCheckUtils]: 16: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,630 INFO L280 TraceCheckUtils]: 17: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,631 INFO L280 TraceCheckUtils]: 18: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,631 INFO L280 TraceCheckUtils]: 19: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,632 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {4910#true} {5345#(<= 2 |fibo1_#in~n|)} #57#return; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,632 INFO L280 TraceCheckUtils]: 21: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,633 INFO L263 TraceCheckUtils]: 22: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,633 INFO L280 TraceCheckUtils]: 23: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,633 INFO L280 TraceCheckUtils]: 24: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-17 22:20:52,633 INFO L280 TraceCheckUtils]: 25: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,634 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {4910#true} {5345#(<= 2 |fibo1_#in~n|)} #59#return; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,635 INFO L280 TraceCheckUtils]: 27: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,635 INFO L280 TraceCheckUtils]: 28: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} assume true; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,637 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {5345#(<= 2 |fibo1_#in~n|)} {5318#(= fibo2_~n |fibo2_#in~n|)} #53#return; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,637 INFO L280 TraceCheckUtils]: 30: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,638 INFO L263 TraceCheckUtils]: 31: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,638 INFO L280 TraceCheckUtils]: 32: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,638 INFO L280 TraceCheckUtils]: 33: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,638 INFO L280 TraceCheckUtils]: 34: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,638 INFO L280 TraceCheckUtils]: 35: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,639 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {4910#true} {5337#(<= 3 |fibo2_#in~n|)} #55#return; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,640 INFO L280 TraceCheckUtils]: 37: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,640 INFO L280 TraceCheckUtils]: 38: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} assume true; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,641 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {5337#(<= 3 |fibo2_#in~n|)} {4910#true} #57#return; {5312#(<= 4 fibo1_~n)} is VALID [2020-07-17 22:20:52,642 INFO L280 TraceCheckUtils]: 40: Hoare triple {5312#(<= 4 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5312#(<= 4 fibo1_~n)} is VALID [2020-07-17 22:20:52,642 INFO L263 TraceCheckUtils]: 41: Hoare triple {5312#(<= 4 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,643 INFO L280 TraceCheckUtils]: 42: Hoare triple {4910#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,643 INFO L280 TraceCheckUtils]: 43: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,644 INFO L280 TraceCheckUtils]: 44: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {5355#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:52,644 INFO L280 TraceCheckUtils]: 45: Hoare triple {5355#(<= |fibo2_#in~n| 1)} assume true; {5355#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:52,645 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {5355#(<= |fibo2_#in~n| 1)} {5312#(<= 4 fibo1_~n)} #59#return; {4911#false} is VALID [2020-07-17 22:20:52,646 INFO L280 TraceCheckUtils]: 47: Hoare triple {4911#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4911#false} is VALID [2020-07-17 22:20:52,646 INFO L280 TraceCheckUtils]: 48: Hoare triple {4911#false} assume true; {4911#false} is VALID [2020-07-17 22:20:52,646 INFO L275 TraceCheckUtils]: 49: Hoare quadruple {4911#false} {4910#true} #53#return; {4911#false} is VALID [2020-07-17 22:20:52,646 INFO L280 TraceCheckUtils]: 50: Hoare triple {4911#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4911#false} is VALID [2020-07-17 22:20:52,646 INFO L263 TraceCheckUtils]: 51: Hoare triple {4911#false} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,647 INFO L280 TraceCheckUtils]: 52: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,647 INFO L280 TraceCheckUtils]: 53: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,647 INFO L280 TraceCheckUtils]: 54: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:52,647 INFO L263 TraceCheckUtils]: 55: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,648 INFO L280 TraceCheckUtils]: 56: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,648 INFO L280 TraceCheckUtils]: 57: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,648 INFO L280 TraceCheckUtils]: 58: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,648 INFO L280 TraceCheckUtils]: 59: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,648 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-17 22:20:52,649 INFO L280 TraceCheckUtils]: 61: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-17 22:20:52,649 INFO L263 TraceCheckUtils]: 62: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,649 INFO L280 TraceCheckUtils]: 63: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,649 INFO L280 TraceCheckUtils]: 64: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-17 22:20:52,649 INFO L280 TraceCheckUtils]: 65: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,650 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-17 22:20:52,650 INFO L280 TraceCheckUtils]: 67: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4910#true} is VALID [2020-07-17 22:20:52,650 INFO L280 TraceCheckUtils]: 68: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,650 INFO L275 TraceCheckUtils]: 69: Hoare quadruple {4910#true} {4911#false} #55#return; {4911#false} is VALID [2020-07-17 22:20:52,650 INFO L280 TraceCheckUtils]: 70: Hoare triple {4911#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {4911#false} is VALID [2020-07-17 22:20:52,651 INFO L280 TraceCheckUtils]: 71: Hoare triple {4911#false} assume true; {4911#false} is VALID [2020-07-17 22:20:52,651 INFO L275 TraceCheckUtils]: 72: Hoare quadruple {4911#false} {4910#true} #57#return; {4911#false} is VALID [2020-07-17 22:20:52,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,713 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,713 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,713 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,714 INFO L280 TraceCheckUtils]: 3: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,714 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-17 22:20:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,718 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,718 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-17 22:20:52,719 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,719 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-17 22:20:52,719 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,720 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,720 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:52,720 INFO L263 TraceCheckUtils]: 3: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,721 INFO L280 TraceCheckUtils]: 4: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,721 INFO L280 TraceCheckUtils]: 5: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,721 INFO L280 TraceCheckUtils]: 6: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,721 INFO L280 TraceCheckUtils]: 7: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,722 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-17 22:20:52,722 INFO L280 TraceCheckUtils]: 9: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-17 22:20:52,722 INFO L263 TraceCheckUtils]: 10: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,723 INFO L280 TraceCheckUtils]: 11: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,723 INFO L280 TraceCheckUtils]: 12: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-17 22:20:52,723 INFO L280 TraceCheckUtils]: 13: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,723 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-17 22:20:52,724 INFO L280 TraceCheckUtils]: 15: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4910#true} is VALID [2020-07-17 22:20:52,724 INFO L280 TraceCheckUtils]: 16: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,724 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {4910#true} {4910#true} #53#return; {4910#true} is VALID [2020-07-17 22:20:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,729 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,729 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,730 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,730 INFO L280 TraceCheckUtils]: 3: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,730 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4910#true} {4910#true} #55#return; {4910#true} is VALID [2020-07-17 22:20:52,730 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,731 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,731 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:52,731 INFO L263 TraceCheckUtils]: 3: Hoare triple {4910#true} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,731 INFO L280 TraceCheckUtils]: 4: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,732 INFO L280 TraceCheckUtils]: 5: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,732 INFO L280 TraceCheckUtils]: 6: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:52,732 INFO L263 TraceCheckUtils]: 7: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,732 INFO L280 TraceCheckUtils]: 8: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,732 INFO L280 TraceCheckUtils]: 9: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,733 INFO L280 TraceCheckUtils]: 10: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,733 INFO L280 TraceCheckUtils]: 11: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,733 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-17 22:20:52,733 INFO L280 TraceCheckUtils]: 13: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-17 22:20:52,734 INFO L263 TraceCheckUtils]: 14: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,734 INFO L280 TraceCheckUtils]: 15: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,734 INFO L280 TraceCheckUtils]: 16: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-17 22:20:52,734 INFO L280 TraceCheckUtils]: 17: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,734 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-17 22:20:52,735 INFO L280 TraceCheckUtils]: 19: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4910#true} is VALID [2020-07-17 22:20:52,735 INFO L280 TraceCheckUtils]: 20: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,735 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {4910#true} {4910#true} #53#return; {4910#true} is VALID [2020-07-17 22:20:52,735 INFO L280 TraceCheckUtils]: 22: Hoare triple {4910#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4910#true} is VALID [2020-07-17 22:20:52,736 INFO L263 TraceCheckUtils]: 23: Hoare triple {4910#true} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,736 INFO L280 TraceCheckUtils]: 24: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,736 INFO L280 TraceCheckUtils]: 25: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,736 INFO L280 TraceCheckUtils]: 26: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,737 INFO L280 TraceCheckUtils]: 27: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,737 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {4910#true} {4910#true} #55#return; {4910#true} is VALID [2020-07-17 22:20:52,737 INFO L280 TraceCheckUtils]: 29: Hoare triple {4910#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {4910#true} is VALID [2020-07-17 22:20:52,737 INFO L280 TraceCheckUtils]: 30: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,738 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-17 22:20:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,745 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,746 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,746 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,746 INFO L280 TraceCheckUtils]: 3: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,747 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-17 22:20:52,747 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,747 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,747 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:52,748 INFO L263 TraceCheckUtils]: 3: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,748 INFO L280 TraceCheckUtils]: 4: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,748 INFO L280 TraceCheckUtils]: 5: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,748 INFO L280 TraceCheckUtils]: 6: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:52,749 INFO L263 TraceCheckUtils]: 7: Hoare triple {4910#true} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,749 INFO L280 TraceCheckUtils]: 8: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,749 INFO L280 TraceCheckUtils]: 9: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,750 INFO L280 TraceCheckUtils]: 10: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:52,750 INFO L263 TraceCheckUtils]: 11: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,750 INFO L280 TraceCheckUtils]: 12: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,750 INFO L280 TraceCheckUtils]: 13: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,750 INFO L280 TraceCheckUtils]: 14: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,751 INFO L280 TraceCheckUtils]: 15: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,751 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-17 22:20:52,751 INFO L280 TraceCheckUtils]: 17: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-17 22:20:52,751 INFO L263 TraceCheckUtils]: 18: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,751 INFO L280 TraceCheckUtils]: 19: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,752 INFO L280 TraceCheckUtils]: 20: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-17 22:20:52,752 INFO L280 TraceCheckUtils]: 21: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,753 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-17 22:20:52,753 INFO L280 TraceCheckUtils]: 23: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4910#true} is VALID [2020-07-17 22:20:52,754 INFO L280 TraceCheckUtils]: 24: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,754 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {4910#true} {4910#true} #53#return; {4910#true} is VALID [2020-07-17 22:20:52,754 INFO L280 TraceCheckUtils]: 26: Hoare triple {4910#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4910#true} is VALID [2020-07-17 22:20:52,755 INFO L263 TraceCheckUtils]: 27: Hoare triple {4910#true} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,755 INFO L280 TraceCheckUtils]: 28: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,755 INFO L280 TraceCheckUtils]: 29: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,756 INFO L280 TraceCheckUtils]: 30: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,756 INFO L280 TraceCheckUtils]: 31: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,756 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {4910#true} {4910#true} #55#return; {4910#true} is VALID [2020-07-17 22:20:52,757 INFO L280 TraceCheckUtils]: 33: Hoare triple {4910#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {4910#true} is VALID [2020-07-17 22:20:52,757 INFO L280 TraceCheckUtils]: 34: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,757 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-17 22:20:52,757 INFO L280 TraceCheckUtils]: 36: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-17 22:20:52,758 INFO L263 TraceCheckUtils]: 37: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,758 INFO L280 TraceCheckUtils]: 38: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,758 INFO L280 TraceCheckUtils]: 39: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,758 INFO L280 TraceCheckUtils]: 40: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,759 INFO L280 TraceCheckUtils]: 41: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,759 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-17 22:20:52,759 INFO L280 TraceCheckUtils]: 43: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4910#true} is VALID [2020-07-17 22:20:52,760 INFO L280 TraceCheckUtils]: 44: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,760 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {4910#true} {4910#true} #53#return; {4910#true} is VALID [2020-07-17 22:20:52,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,776 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,777 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,777 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,778 INFO L280 TraceCheckUtils]: 3: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,778 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-17 22:20:52,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:52,783 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,784 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-17 22:20:52,784 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,784 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-17 22:20:52,785 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,785 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,785 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:52,785 INFO L263 TraceCheckUtils]: 3: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,786 INFO L280 TraceCheckUtils]: 4: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,786 INFO L280 TraceCheckUtils]: 5: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,786 INFO L280 TraceCheckUtils]: 6: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,786 INFO L280 TraceCheckUtils]: 7: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,787 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-17 22:20:52,787 INFO L280 TraceCheckUtils]: 9: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-17 22:20:52,787 INFO L263 TraceCheckUtils]: 10: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,787 INFO L280 TraceCheckUtils]: 11: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,787 INFO L280 TraceCheckUtils]: 12: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-17 22:20:52,788 INFO L280 TraceCheckUtils]: 13: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,788 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-17 22:20:52,788 INFO L280 TraceCheckUtils]: 15: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4910#true} is VALID [2020-07-17 22:20:52,788 INFO L280 TraceCheckUtils]: 16: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,789 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {4910#true} {4910#true} #55#return; {4910#true} is VALID [2020-07-17 22:20:52,790 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,790 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,790 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:52,790 INFO L263 TraceCheckUtils]: 3: Hoare triple {4910#true} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,790 INFO L280 TraceCheckUtils]: 4: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,791 INFO L280 TraceCheckUtils]: 5: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,791 INFO L280 TraceCheckUtils]: 6: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:52,791 INFO L263 TraceCheckUtils]: 7: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,791 INFO L280 TraceCheckUtils]: 8: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,791 INFO L280 TraceCheckUtils]: 9: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,792 INFO L280 TraceCheckUtils]: 10: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:52,792 INFO L263 TraceCheckUtils]: 11: Hoare triple {4910#true} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,792 INFO L280 TraceCheckUtils]: 12: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,792 INFO L280 TraceCheckUtils]: 13: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,793 INFO L280 TraceCheckUtils]: 14: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:52,793 INFO L263 TraceCheckUtils]: 15: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,793 INFO L280 TraceCheckUtils]: 16: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,794 INFO L280 TraceCheckUtils]: 17: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,794 INFO L280 TraceCheckUtils]: 18: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,794 INFO L280 TraceCheckUtils]: 19: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,794 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-17 22:20:52,795 INFO L280 TraceCheckUtils]: 21: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-17 22:20:52,795 INFO L263 TraceCheckUtils]: 22: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,795 INFO L280 TraceCheckUtils]: 23: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,796 INFO L280 TraceCheckUtils]: 24: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-17 22:20:52,796 INFO L280 TraceCheckUtils]: 25: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,796 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-17 22:20:52,796 INFO L280 TraceCheckUtils]: 27: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4910#true} is VALID [2020-07-17 22:20:52,797 INFO L280 TraceCheckUtils]: 28: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,797 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {4910#true} {4910#true} #53#return; {4910#true} is VALID [2020-07-17 22:20:52,797 INFO L280 TraceCheckUtils]: 30: Hoare triple {4910#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4910#true} is VALID [2020-07-17 22:20:52,797 INFO L263 TraceCheckUtils]: 31: Hoare triple {4910#true} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,798 INFO L280 TraceCheckUtils]: 32: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,798 INFO L280 TraceCheckUtils]: 33: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,798 INFO L280 TraceCheckUtils]: 34: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,798 INFO L280 TraceCheckUtils]: 35: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,799 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {4910#true} {4910#true} #55#return; {4910#true} is VALID [2020-07-17 22:20:52,799 INFO L280 TraceCheckUtils]: 37: Hoare triple {4910#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {4910#true} is VALID [2020-07-17 22:20:52,799 INFO L280 TraceCheckUtils]: 38: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,799 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-17 22:20:52,800 INFO L280 TraceCheckUtils]: 40: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-17 22:20:52,800 INFO L263 TraceCheckUtils]: 41: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,800 INFO L280 TraceCheckUtils]: 42: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,800 INFO L280 TraceCheckUtils]: 43: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,800 INFO L280 TraceCheckUtils]: 44: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,801 INFO L280 TraceCheckUtils]: 45: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,801 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-17 22:20:52,801 INFO L280 TraceCheckUtils]: 47: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4910#true} is VALID [2020-07-17 22:20:52,802 INFO L280 TraceCheckUtils]: 48: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,802 INFO L275 TraceCheckUtils]: 49: Hoare quadruple {4910#true} {4910#true} #53#return; {4910#true} is VALID [2020-07-17 22:20:52,802 INFO L280 TraceCheckUtils]: 50: Hoare triple {4910#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4910#true} is VALID [2020-07-17 22:20:52,802 INFO L263 TraceCheckUtils]: 51: Hoare triple {4910#true} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,803 INFO L280 TraceCheckUtils]: 52: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,803 INFO L280 TraceCheckUtils]: 53: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,803 INFO L280 TraceCheckUtils]: 54: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:52,803 INFO L263 TraceCheckUtils]: 55: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,803 INFO L280 TraceCheckUtils]: 56: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,804 INFO L280 TraceCheckUtils]: 57: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,804 INFO L280 TraceCheckUtils]: 58: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,804 INFO L280 TraceCheckUtils]: 59: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,804 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-17 22:20:52,805 INFO L280 TraceCheckUtils]: 61: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-17 22:20:52,805 INFO L263 TraceCheckUtils]: 62: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,805 INFO L280 TraceCheckUtils]: 63: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,805 INFO L280 TraceCheckUtils]: 64: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-17 22:20:52,805 INFO L280 TraceCheckUtils]: 65: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,806 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-17 22:20:52,806 INFO L280 TraceCheckUtils]: 67: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4910#true} is VALID [2020-07-17 22:20:52,806 INFO L280 TraceCheckUtils]: 68: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,806 INFO L275 TraceCheckUtils]: 69: Hoare quadruple {4910#true} {4910#true} #55#return; {4910#true} is VALID [2020-07-17 22:20:52,806 INFO L280 TraceCheckUtils]: 70: Hoare triple {4910#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {4910#true} is VALID [2020-07-17 22:20:52,807 INFO L280 TraceCheckUtils]: 71: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,807 INFO L275 TraceCheckUtils]: 72: Hoare quadruple {4910#true} {4911#false} #59#return; {4911#false} is VALID [2020-07-17 22:20:52,811 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,811 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,811 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:52,812 INFO L263 TraceCheckUtils]: 3: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,812 INFO L280 TraceCheckUtils]: 4: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,812 INFO L280 TraceCheckUtils]: 5: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,812 INFO L280 TraceCheckUtils]: 6: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:52,813 INFO L263 TraceCheckUtils]: 7: Hoare triple {4910#true} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,813 INFO L280 TraceCheckUtils]: 8: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,813 INFO L280 TraceCheckUtils]: 9: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,813 INFO L280 TraceCheckUtils]: 10: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:52,814 INFO L263 TraceCheckUtils]: 11: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,818 INFO L280 TraceCheckUtils]: 12: Hoare triple {4910#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,819 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 22:20:52,819 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 22:20:52,819 INFO L263 TraceCheckUtils]: 15: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,820 INFO L280 TraceCheckUtils]: 16: Hoare triple {4910#true} ~n := #in~n; {5343#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,821 INFO L280 TraceCheckUtils]: 17: Hoare triple {5343#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5344#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-17 22:20:52,822 INFO L280 TraceCheckUtils]: 18: Hoare triple {5344#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,822 INFO L263 TraceCheckUtils]: 19: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,822 INFO L280 TraceCheckUtils]: 20: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,822 INFO L280 TraceCheckUtils]: 21: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,822 INFO L280 TraceCheckUtils]: 22: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,823 INFO L280 TraceCheckUtils]: 23: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,824 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {4910#true} {5345#(<= 2 |fibo1_#in~n|)} #57#return; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,824 INFO L280 TraceCheckUtils]: 25: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,824 INFO L263 TraceCheckUtils]: 26: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,825 INFO L280 TraceCheckUtils]: 27: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,825 INFO L280 TraceCheckUtils]: 28: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-17 22:20:52,825 INFO L280 TraceCheckUtils]: 29: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,826 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {4910#true} {5345#(<= 2 |fibo1_#in~n|)} #59#return; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,826 INFO L280 TraceCheckUtils]: 31: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,827 INFO L280 TraceCheckUtils]: 32: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} assume true; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,829 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {5345#(<= 2 |fibo1_#in~n|)} {5318#(= fibo2_~n |fibo2_#in~n|)} #53#return; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,830 INFO L280 TraceCheckUtils]: 34: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,830 INFO L263 TraceCheckUtils]: 35: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,830 INFO L280 TraceCheckUtils]: 36: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,830 INFO L280 TraceCheckUtils]: 37: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,831 INFO L280 TraceCheckUtils]: 38: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,831 INFO L280 TraceCheckUtils]: 39: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,832 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {4910#true} {5337#(<= 3 |fibo2_#in~n|)} #55#return; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,833 INFO L280 TraceCheckUtils]: 41: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,833 INFO L280 TraceCheckUtils]: 42: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} assume true; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,835 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {5337#(<= 3 |fibo2_#in~n|)} {4910#true} #57#return; {5312#(<= 4 fibo1_~n)} is VALID [2020-07-17 22:20:52,835 INFO L280 TraceCheckUtils]: 44: Hoare triple {5312#(<= 4 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5312#(<= 4 fibo1_~n)} is VALID [2020-07-17 22:20:52,836 INFO L263 TraceCheckUtils]: 45: Hoare triple {5312#(<= 4 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,837 INFO L280 TraceCheckUtils]: 46: Hoare triple {4910#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,837 INFO L280 TraceCheckUtils]: 47: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,838 INFO L280 TraceCheckUtils]: 48: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {5355#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:52,838 INFO L280 TraceCheckUtils]: 49: Hoare triple {5355#(<= |fibo2_#in~n| 1)} assume true; {5355#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:52,839 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {5355#(<= |fibo2_#in~n| 1)} {5312#(<= 4 fibo1_~n)} #59#return; {4911#false} is VALID [2020-07-17 22:20:52,840 INFO L280 TraceCheckUtils]: 51: Hoare triple {4911#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4911#false} is VALID [2020-07-17 22:20:52,840 INFO L280 TraceCheckUtils]: 52: Hoare triple {4911#false} assume true; {4911#false} is VALID [2020-07-17 22:20:52,840 INFO L275 TraceCheckUtils]: 53: Hoare quadruple {4911#false} {4910#true} #53#return; {4911#false} is VALID [2020-07-17 22:20:52,840 INFO L280 TraceCheckUtils]: 54: Hoare triple {4911#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4911#false} is VALID [2020-07-17 22:20:52,840 INFO L263 TraceCheckUtils]: 55: Hoare triple {4911#false} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,841 INFO L280 TraceCheckUtils]: 56: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,841 INFO L280 TraceCheckUtils]: 57: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,841 INFO L280 TraceCheckUtils]: 58: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:52,841 INFO L263 TraceCheckUtils]: 59: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,842 INFO L280 TraceCheckUtils]: 60: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,842 INFO L280 TraceCheckUtils]: 61: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,842 INFO L280 TraceCheckUtils]: 62: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,842 INFO L280 TraceCheckUtils]: 63: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,843 INFO L275 TraceCheckUtils]: 64: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-17 22:20:52,843 INFO L280 TraceCheckUtils]: 65: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-17 22:20:52,843 INFO L263 TraceCheckUtils]: 66: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,843 INFO L280 TraceCheckUtils]: 67: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,843 INFO L280 TraceCheckUtils]: 68: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-17 22:20:52,844 INFO L280 TraceCheckUtils]: 69: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,844 INFO L275 TraceCheckUtils]: 70: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-17 22:20:52,844 INFO L280 TraceCheckUtils]: 71: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4910#true} is VALID [2020-07-17 22:20:52,844 INFO L280 TraceCheckUtils]: 72: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,844 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {4910#true} {4911#false} #55#return; {4911#false} is VALID [2020-07-17 22:20:52,844 INFO L280 TraceCheckUtils]: 74: Hoare triple {4911#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {4911#false} is VALID [2020-07-17 22:20:52,845 INFO L280 TraceCheckUtils]: 75: Hoare triple {4911#false} assume true; {4911#false} is VALID [2020-07-17 22:20:52,845 INFO L275 TraceCheckUtils]: 76: Hoare quadruple {4911#false} {4910#true} #57#return; {4911#false} is VALID [2020-07-17 22:20:52,845 INFO L280 TraceCheckUtils]: 77: Hoare triple {4911#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4911#false} is VALID [2020-07-17 22:20:52,845 INFO L263 TraceCheckUtils]: 78: Hoare triple {4911#false} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,845 INFO L280 TraceCheckUtils]: 79: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,845 INFO L280 TraceCheckUtils]: 80: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,846 INFO L280 TraceCheckUtils]: 81: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:52,846 INFO L263 TraceCheckUtils]: 82: Hoare triple {4910#true} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,846 INFO L280 TraceCheckUtils]: 83: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,846 INFO L280 TraceCheckUtils]: 84: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,846 INFO L280 TraceCheckUtils]: 85: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:52,847 INFO L263 TraceCheckUtils]: 86: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,847 INFO L280 TraceCheckUtils]: 87: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,847 INFO L280 TraceCheckUtils]: 88: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,847 INFO L280 TraceCheckUtils]: 89: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:52,847 INFO L263 TraceCheckUtils]: 90: Hoare triple {4910#true} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,848 INFO L280 TraceCheckUtils]: 91: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,848 INFO L280 TraceCheckUtils]: 92: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,848 INFO L280 TraceCheckUtils]: 93: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:52,848 INFO L263 TraceCheckUtils]: 94: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,848 INFO L280 TraceCheckUtils]: 95: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,848 INFO L280 TraceCheckUtils]: 96: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,849 INFO L280 TraceCheckUtils]: 97: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,849 INFO L280 TraceCheckUtils]: 98: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,849 INFO L275 TraceCheckUtils]: 99: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-17 22:20:52,849 INFO L280 TraceCheckUtils]: 100: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-17 22:20:52,849 INFO L263 TraceCheckUtils]: 101: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,850 INFO L280 TraceCheckUtils]: 102: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,850 INFO L280 TraceCheckUtils]: 103: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-17 22:20:52,850 INFO L280 TraceCheckUtils]: 104: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,850 INFO L275 TraceCheckUtils]: 105: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-17 22:20:52,851 INFO L280 TraceCheckUtils]: 106: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4910#true} is VALID [2020-07-17 22:20:52,851 INFO L280 TraceCheckUtils]: 107: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,851 INFO L275 TraceCheckUtils]: 108: Hoare quadruple {4910#true} {4910#true} #53#return; {4910#true} is VALID [2020-07-17 22:20:52,851 INFO L280 TraceCheckUtils]: 109: Hoare triple {4910#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4910#true} is VALID [2020-07-17 22:20:52,852 INFO L263 TraceCheckUtils]: 110: Hoare triple {4910#true} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,852 INFO L280 TraceCheckUtils]: 111: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,852 INFO L280 TraceCheckUtils]: 112: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,852 INFO L280 TraceCheckUtils]: 113: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,852 INFO L280 TraceCheckUtils]: 114: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,853 INFO L275 TraceCheckUtils]: 115: Hoare quadruple {4910#true} {4910#true} #55#return; {4910#true} is VALID [2020-07-17 22:20:52,853 INFO L280 TraceCheckUtils]: 116: Hoare triple {4910#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {4910#true} is VALID [2020-07-17 22:20:52,853 INFO L280 TraceCheckUtils]: 117: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,853 INFO L275 TraceCheckUtils]: 118: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-17 22:20:52,854 INFO L280 TraceCheckUtils]: 119: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-17 22:20:52,854 INFO L263 TraceCheckUtils]: 120: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,854 INFO L280 TraceCheckUtils]: 121: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,854 INFO L280 TraceCheckUtils]: 122: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,855 INFO L280 TraceCheckUtils]: 123: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,855 INFO L280 TraceCheckUtils]: 124: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,855 INFO L275 TraceCheckUtils]: 125: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-17 22:20:52,855 INFO L280 TraceCheckUtils]: 126: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4910#true} is VALID [2020-07-17 22:20:52,855 INFO L280 TraceCheckUtils]: 127: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,856 INFO L275 TraceCheckUtils]: 128: Hoare quadruple {4910#true} {4910#true} #53#return; {4910#true} is VALID [2020-07-17 22:20:52,856 INFO L280 TraceCheckUtils]: 129: Hoare triple {4910#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4910#true} is VALID [2020-07-17 22:20:52,856 INFO L263 TraceCheckUtils]: 130: Hoare triple {4910#true} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,856 INFO L280 TraceCheckUtils]: 131: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,857 INFO L280 TraceCheckUtils]: 132: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,857 INFO L280 TraceCheckUtils]: 133: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:52,857 INFO L263 TraceCheckUtils]: 134: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,857 INFO L280 TraceCheckUtils]: 135: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,857 INFO L280 TraceCheckUtils]: 136: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,858 INFO L280 TraceCheckUtils]: 137: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,858 INFO L280 TraceCheckUtils]: 138: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,858 INFO L275 TraceCheckUtils]: 139: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-17 22:20:52,858 INFO L280 TraceCheckUtils]: 140: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-17 22:20:52,859 INFO L263 TraceCheckUtils]: 141: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,859 INFO L280 TraceCheckUtils]: 142: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,859 INFO L280 TraceCheckUtils]: 143: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-17 22:20:52,859 INFO L280 TraceCheckUtils]: 144: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,859 INFO L275 TraceCheckUtils]: 145: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-17 22:20:52,860 INFO L280 TraceCheckUtils]: 146: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4910#true} is VALID [2020-07-17 22:20:52,860 INFO L280 TraceCheckUtils]: 147: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,860 INFO L275 TraceCheckUtils]: 148: Hoare quadruple {4910#true} {4910#true} #55#return; {4910#true} is VALID [2020-07-17 22:20:52,860 INFO L280 TraceCheckUtils]: 149: Hoare triple {4910#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {4910#true} is VALID [2020-07-17 22:20:52,860 INFO L280 TraceCheckUtils]: 150: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,861 INFO L275 TraceCheckUtils]: 151: Hoare quadruple {4910#true} {4911#false} #59#return; {4911#false} is VALID [2020-07-17 22:20:52,861 INFO L280 TraceCheckUtils]: 152: Hoare triple {4911#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4911#false} is VALID [2020-07-17 22:20:52,861 INFO L280 TraceCheckUtils]: 153: Hoare triple {4911#false} assume true; {4911#false} is VALID [2020-07-17 22:20:52,861 INFO L275 TraceCheckUtils]: 154: Hoare quadruple {4911#false} {4914#(<= 6 main_~x~0)} #51#return; {4911#false} is VALID [2020-07-17 22:20:52,885 INFO L263 TraceCheckUtils]: 0: Hoare triple {4910#true} call ULTIMATE.init(); {4910#true} is VALID [2020-07-17 22:20:52,885 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,886 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4910#true} {4910#true} #47#return; {4910#true} is VALID [2020-07-17 22:20:52,886 INFO L263 TraceCheckUtils]: 3: Hoare triple {4910#true} call #t~ret5 := main(); {4910#true} is VALID [2020-07-17 22:20:52,889 INFO L280 TraceCheckUtils]: 4: Hoare triple {4910#true} ~x~0 := 6; {4914#(<= 6 main_~x~0)} is VALID [2020-07-17 22:20:52,890 INFO L263 TraceCheckUtils]: 5: Hoare triple {4914#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {4910#true} is VALID [2020-07-17 22:20:52,890 INFO L280 TraceCheckUtils]: 6: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,890 INFO L280 TraceCheckUtils]: 7: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,891 INFO L280 TraceCheckUtils]: 8: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:52,891 INFO L263 TraceCheckUtils]: 9: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,891 INFO L280 TraceCheckUtils]: 10: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,891 INFO L280 TraceCheckUtils]: 11: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,892 INFO L280 TraceCheckUtils]: 12: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:52,892 INFO L263 TraceCheckUtils]: 13: Hoare triple {4910#true} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,892 INFO L280 TraceCheckUtils]: 14: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,892 INFO L280 TraceCheckUtils]: 15: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,893 INFO L280 TraceCheckUtils]: 16: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:52,893 INFO L263 TraceCheckUtils]: 17: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,894 INFO L280 TraceCheckUtils]: 18: Hoare triple {4910#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,894 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 22:20:52,895 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 22:20:52,895 INFO L263 TraceCheckUtils]: 21: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,896 INFO L280 TraceCheckUtils]: 22: Hoare triple {4910#true} ~n := #in~n; {5343#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,897 INFO L280 TraceCheckUtils]: 23: Hoare triple {5343#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5344#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-17 22:20:52,898 INFO L280 TraceCheckUtils]: 24: Hoare triple {5344#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,898 INFO L263 TraceCheckUtils]: 25: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,899 INFO L280 TraceCheckUtils]: 26: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,899 INFO L280 TraceCheckUtils]: 27: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,899 INFO L280 TraceCheckUtils]: 28: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,899 INFO L280 TraceCheckUtils]: 29: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,900 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {4910#true} {5345#(<= 2 |fibo1_#in~n|)} #57#return; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,901 INFO L280 TraceCheckUtils]: 31: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,901 INFO L263 TraceCheckUtils]: 32: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,902 INFO L280 TraceCheckUtils]: 33: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,902 INFO L280 TraceCheckUtils]: 34: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-17 22:20:52,902 INFO L280 TraceCheckUtils]: 35: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,903 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {4910#true} {5345#(<= 2 |fibo1_#in~n|)} #59#return; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,904 INFO L280 TraceCheckUtils]: 37: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,904 INFO L280 TraceCheckUtils]: 38: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} assume true; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:52,906 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {5345#(<= 2 |fibo1_#in~n|)} {5318#(= fibo2_~n |fibo2_#in~n|)} #53#return; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,906 INFO L280 TraceCheckUtils]: 40: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,906 INFO L263 TraceCheckUtils]: 41: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,907 INFO L280 TraceCheckUtils]: 42: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,907 INFO L280 TraceCheckUtils]: 43: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,907 INFO L280 TraceCheckUtils]: 44: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,907 INFO L280 TraceCheckUtils]: 45: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,908 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {4910#true} {5337#(<= 3 |fibo2_#in~n|)} #55#return; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,909 INFO L280 TraceCheckUtils]: 47: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,910 INFO L280 TraceCheckUtils]: 48: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} assume true; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,911 INFO L275 TraceCheckUtils]: 49: Hoare quadruple {5337#(<= 3 |fibo2_#in~n|)} {4910#true} #57#return; {5312#(<= 4 fibo1_~n)} is VALID [2020-07-17 22:20:52,912 INFO L280 TraceCheckUtils]: 50: Hoare triple {5312#(<= 4 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5312#(<= 4 fibo1_~n)} is VALID [2020-07-17 22:20:52,912 INFO L263 TraceCheckUtils]: 51: Hoare triple {5312#(<= 4 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,912 INFO L280 TraceCheckUtils]: 52: Hoare triple {4910#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,913 INFO L280 TraceCheckUtils]: 53: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:52,914 INFO L280 TraceCheckUtils]: 54: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {5355#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:52,914 INFO L280 TraceCheckUtils]: 55: Hoare triple {5355#(<= |fibo2_#in~n| 1)} assume true; {5355#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:52,915 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {5355#(<= |fibo2_#in~n| 1)} {5312#(<= 4 fibo1_~n)} #59#return; {4911#false} is VALID [2020-07-17 22:20:52,915 INFO L280 TraceCheckUtils]: 57: Hoare triple {4911#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4911#false} is VALID [2020-07-17 22:20:52,916 INFO L280 TraceCheckUtils]: 58: Hoare triple {4911#false} assume true; {4911#false} is VALID [2020-07-17 22:20:52,916 INFO L275 TraceCheckUtils]: 59: Hoare quadruple {4911#false} {4910#true} #53#return; {4911#false} is VALID [2020-07-17 22:20:52,916 INFO L280 TraceCheckUtils]: 60: Hoare triple {4911#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4911#false} is VALID [2020-07-17 22:20:52,916 INFO L263 TraceCheckUtils]: 61: Hoare triple {4911#false} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,917 INFO L280 TraceCheckUtils]: 62: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,917 INFO L280 TraceCheckUtils]: 63: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,917 INFO L280 TraceCheckUtils]: 64: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:52,917 INFO L263 TraceCheckUtils]: 65: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,917 INFO L280 TraceCheckUtils]: 66: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,918 INFO L280 TraceCheckUtils]: 67: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,918 INFO L280 TraceCheckUtils]: 68: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,918 INFO L280 TraceCheckUtils]: 69: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,918 INFO L275 TraceCheckUtils]: 70: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-17 22:20:52,919 INFO L280 TraceCheckUtils]: 71: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-17 22:20:52,919 INFO L263 TraceCheckUtils]: 72: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,919 INFO L280 TraceCheckUtils]: 73: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,919 INFO L280 TraceCheckUtils]: 74: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-17 22:20:52,919 INFO L280 TraceCheckUtils]: 75: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,920 INFO L275 TraceCheckUtils]: 76: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-17 22:20:52,920 INFO L280 TraceCheckUtils]: 77: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4910#true} is VALID [2020-07-17 22:20:52,920 INFO L280 TraceCheckUtils]: 78: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,920 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {4910#true} {4911#false} #55#return; {4911#false} is VALID [2020-07-17 22:20:52,921 INFO L280 TraceCheckUtils]: 80: Hoare triple {4911#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {4911#false} is VALID [2020-07-17 22:20:52,921 INFO L280 TraceCheckUtils]: 81: Hoare triple {4911#false} assume true; {4911#false} is VALID [2020-07-17 22:20:52,921 INFO L275 TraceCheckUtils]: 82: Hoare quadruple {4911#false} {4910#true} #57#return; {4911#false} is VALID [2020-07-17 22:20:52,922 INFO L280 TraceCheckUtils]: 83: Hoare triple {4911#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4911#false} is VALID [2020-07-17 22:20:52,923 INFO L263 TraceCheckUtils]: 84: Hoare triple {4911#false} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,923 INFO L280 TraceCheckUtils]: 85: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,923 INFO L280 TraceCheckUtils]: 86: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,923 INFO L280 TraceCheckUtils]: 87: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:52,923 INFO L263 TraceCheckUtils]: 88: Hoare triple {4910#true} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,924 INFO L280 TraceCheckUtils]: 89: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,924 INFO L280 TraceCheckUtils]: 90: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,924 INFO L280 TraceCheckUtils]: 91: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:52,924 INFO L263 TraceCheckUtils]: 92: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,924 INFO L280 TraceCheckUtils]: 93: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,925 INFO L280 TraceCheckUtils]: 94: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,925 INFO L280 TraceCheckUtils]: 95: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:52,925 INFO L263 TraceCheckUtils]: 96: Hoare triple {4910#true} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,925 INFO L280 TraceCheckUtils]: 97: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,926 INFO L280 TraceCheckUtils]: 98: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,926 INFO L280 TraceCheckUtils]: 99: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:52,926 INFO L263 TraceCheckUtils]: 100: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,926 INFO L280 TraceCheckUtils]: 101: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,926 INFO L280 TraceCheckUtils]: 102: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,927 INFO L280 TraceCheckUtils]: 103: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,927 INFO L280 TraceCheckUtils]: 104: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,927 INFO L275 TraceCheckUtils]: 105: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-17 22:20:52,927 INFO L280 TraceCheckUtils]: 106: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-17 22:20:52,928 INFO L263 TraceCheckUtils]: 107: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,928 INFO L280 TraceCheckUtils]: 108: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,928 INFO L280 TraceCheckUtils]: 109: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-17 22:20:52,928 INFO L280 TraceCheckUtils]: 110: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,928 INFO L275 TraceCheckUtils]: 111: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-17 22:20:52,929 INFO L280 TraceCheckUtils]: 112: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4910#true} is VALID [2020-07-17 22:20:52,929 INFO L280 TraceCheckUtils]: 113: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,929 INFO L275 TraceCheckUtils]: 114: Hoare quadruple {4910#true} {4910#true} #53#return; {4910#true} is VALID [2020-07-17 22:20:52,929 INFO L280 TraceCheckUtils]: 115: Hoare triple {4910#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4910#true} is VALID [2020-07-17 22:20:52,930 INFO L263 TraceCheckUtils]: 116: Hoare triple {4910#true} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,951 INFO L280 TraceCheckUtils]: 117: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,952 INFO L280 TraceCheckUtils]: 118: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,952 INFO L280 TraceCheckUtils]: 119: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,952 INFO L280 TraceCheckUtils]: 120: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,952 INFO L275 TraceCheckUtils]: 121: Hoare quadruple {4910#true} {4910#true} #55#return; {4910#true} is VALID [2020-07-17 22:20:52,952 INFO L280 TraceCheckUtils]: 122: Hoare triple {4910#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {4910#true} is VALID [2020-07-17 22:20:52,953 INFO L280 TraceCheckUtils]: 123: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,953 INFO L275 TraceCheckUtils]: 124: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-17 22:20:52,957 INFO L280 TraceCheckUtils]: 125: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-17 22:20:52,957 INFO L263 TraceCheckUtils]: 126: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,958 INFO L280 TraceCheckUtils]: 127: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,958 INFO L280 TraceCheckUtils]: 128: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,958 INFO L280 TraceCheckUtils]: 129: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,958 INFO L280 TraceCheckUtils]: 130: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,958 INFO L275 TraceCheckUtils]: 131: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-17 22:20:52,958 INFO L280 TraceCheckUtils]: 132: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4910#true} is VALID [2020-07-17 22:20:52,958 INFO L280 TraceCheckUtils]: 133: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,958 INFO L275 TraceCheckUtils]: 134: Hoare quadruple {4910#true} {4910#true} #53#return; {4910#true} is VALID [2020-07-17 22:20:52,959 INFO L280 TraceCheckUtils]: 135: Hoare triple {4910#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4910#true} is VALID [2020-07-17 22:20:52,959 INFO L263 TraceCheckUtils]: 136: Hoare triple {4910#true} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,959 INFO L280 TraceCheckUtils]: 137: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,959 INFO L280 TraceCheckUtils]: 138: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,959 INFO L280 TraceCheckUtils]: 139: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:52,959 INFO L263 TraceCheckUtils]: 140: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-17 22:20:52,959 INFO L280 TraceCheckUtils]: 141: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,959 INFO L280 TraceCheckUtils]: 142: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:52,960 INFO L280 TraceCheckUtils]: 143: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:52,960 INFO L280 TraceCheckUtils]: 144: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,960 INFO L275 TraceCheckUtils]: 145: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-17 22:20:52,960 INFO L280 TraceCheckUtils]: 146: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-17 22:20:52,960 INFO L263 TraceCheckUtils]: 147: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-17 22:20:52,960 INFO L280 TraceCheckUtils]: 148: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:52,960 INFO L280 TraceCheckUtils]: 149: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-17 22:20:52,960 INFO L280 TraceCheckUtils]: 150: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,961 INFO L275 TraceCheckUtils]: 151: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-17 22:20:52,961 INFO L280 TraceCheckUtils]: 152: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4910#true} is VALID [2020-07-17 22:20:52,961 INFO L280 TraceCheckUtils]: 153: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,961 INFO L275 TraceCheckUtils]: 154: Hoare quadruple {4910#true} {4910#true} #55#return; {4910#true} is VALID [2020-07-17 22:20:52,961 INFO L280 TraceCheckUtils]: 155: Hoare triple {4910#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {4910#true} is VALID [2020-07-17 22:20:52,961 INFO L280 TraceCheckUtils]: 156: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:52,961 INFO L275 TraceCheckUtils]: 157: Hoare quadruple {4910#true} {4911#false} #59#return; {4911#false} is VALID [2020-07-17 22:20:52,961 INFO L280 TraceCheckUtils]: 158: Hoare triple {4911#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4911#false} is VALID [2020-07-17 22:20:52,961 INFO L280 TraceCheckUtils]: 159: Hoare triple {4911#false} assume true; {4911#false} is VALID [2020-07-17 22:20:52,962 INFO L275 TraceCheckUtils]: 160: Hoare quadruple {4911#false} {4914#(<= 6 main_~x~0)} #51#return; {4911#false} is VALID [2020-07-17 22:20:52,962 INFO L280 TraceCheckUtils]: 161: Hoare triple {4911#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {4911#false} is VALID [2020-07-17 22:20:52,962 INFO L280 TraceCheckUtils]: 162: Hoare triple {4911#false} assume 8 == ~result~0; {4911#false} is VALID [2020-07-17 22:20:52,962 INFO L280 TraceCheckUtils]: 163: Hoare triple {4911#false} assume !false; {4911#false} is VALID [2020-07-17 22:20:52,981 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 67 proven. 169 refuted. 0 times theorem prover too weak. 461 trivial. 0 not checked. [2020-07-17 22:20:52,981 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604026658] [2020-07-17 22:20:52,982 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1126317068] [2020-07-17 22:20:52,982 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 22:20:53,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:53,047 INFO L264 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-17 22:20:53,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:53,078 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 22:20:53,345 INFO L263 TraceCheckUtils]: 0: Hoare triple {4910#true} call ULTIMATE.init(); {4910#true} is VALID [2020-07-17 22:20:53,345 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:53,346 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4910#true} {4910#true} #47#return; {4910#true} is VALID [2020-07-17 22:20:53,346 INFO L263 TraceCheckUtils]: 3: Hoare triple {4910#true} call #t~ret5 := main(); {4910#true} is VALID [2020-07-17 22:20:53,347 INFO L280 TraceCheckUtils]: 4: Hoare triple {4910#true} ~x~0 := 6; {4914#(<= 6 main_~x~0)} is VALID [2020-07-17 22:20:53,347 INFO L263 TraceCheckUtils]: 5: Hoare triple {4914#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {4910#true} is VALID [2020-07-17 22:20:53,347 INFO L280 TraceCheckUtils]: 6: Hoare triple {4910#true} ~n := #in~n; {5528#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:53,348 INFO L280 TraceCheckUtils]: 7: Hoare triple {5528#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {5528#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:53,348 INFO L280 TraceCheckUtils]: 8: Hoare triple {5528#(<= |fibo1_#in~n| fibo1_~n)} assume !(1 == ~n); {5528#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:53,348 INFO L263 TraceCheckUtils]: 9: Hoare triple {5528#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-17 22:20:53,349 INFO L280 TraceCheckUtils]: 10: Hoare triple {4910#true} ~n := #in~n; {5541#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:53,349 INFO L280 TraceCheckUtils]: 11: Hoare triple {5541#(<= |fibo2_#in~n| fibo2_~n)} assume !(~n < 1); {5541#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:53,349 INFO L280 TraceCheckUtils]: 12: Hoare triple {5541#(<= |fibo2_#in~n| fibo2_~n)} assume !(1 == ~n); {5541#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:53,350 INFO L263 TraceCheckUtils]: 13: Hoare triple {5541#(<= |fibo2_#in~n| fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-17 22:20:53,350 INFO L280 TraceCheckUtils]: 14: Hoare triple {4910#true} ~n := #in~n; {5528#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:53,350 INFO L280 TraceCheckUtils]: 15: Hoare triple {5528#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {5528#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:53,351 INFO L280 TraceCheckUtils]: 16: Hoare triple {5528#(<= |fibo1_#in~n| fibo1_~n)} assume !(1 == ~n); {5528#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:53,351 INFO L263 TraceCheckUtils]: 17: Hoare triple {5528#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-17 22:20:53,351 INFO L280 TraceCheckUtils]: 18: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:53,351 INFO L280 TraceCheckUtils]: 19: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:53,351 INFO L280 TraceCheckUtils]: 20: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:53,351 INFO L263 TraceCheckUtils]: 21: Hoare triple {4910#true} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-17 22:20:53,351 INFO L280 TraceCheckUtils]: 22: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:53,352 INFO L280 TraceCheckUtils]: 23: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:53,352 INFO L280 TraceCheckUtils]: 24: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:53,352 INFO L263 TraceCheckUtils]: 25: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-17 22:20:53,352 INFO L280 TraceCheckUtils]: 26: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:53,352 INFO L280 TraceCheckUtils]: 27: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:53,352 INFO L280 TraceCheckUtils]: 28: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:53,352 INFO L280 TraceCheckUtils]: 29: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:53,353 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-17 22:20:53,353 INFO L280 TraceCheckUtils]: 31: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-17 22:20:53,353 INFO L263 TraceCheckUtils]: 32: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-17 22:20:53,353 INFO L280 TraceCheckUtils]: 33: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:53,353 INFO L280 TraceCheckUtils]: 34: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-17 22:20:53,353 INFO L280 TraceCheckUtils]: 35: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:53,353 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-17 22:20:53,354 INFO L280 TraceCheckUtils]: 37: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4910#true} is VALID [2020-07-17 22:20:53,354 INFO L280 TraceCheckUtils]: 38: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:53,354 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {4910#true} {4910#true} #53#return; {4910#true} is VALID [2020-07-17 22:20:53,355 INFO L280 TraceCheckUtils]: 40: Hoare triple {4910#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4910#true} is VALID [2020-07-17 22:20:53,355 INFO L263 TraceCheckUtils]: 41: Hoare triple {4910#true} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-17 22:20:53,355 INFO L280 TraceCheckUtils]: 42: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:53,356 INFO L280 TraceCheckUtils]: 43: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:53,356 INFO L280 TraceCheckUtils]: 44: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:53,356 INFO L280 TraceCheckUtils]: 45: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:53,356 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {4910#true} {4910#true} #55#return; {4910#true} is VALID [2020-07-17 22:20:53,356 INFO L280 TraceCheckUtils]: 47: Hoare triple {4910#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {4910#true} is VALID [2020-07-17 22:20:53,357 INFO L280 TraceCheckUtils]: 48: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:53,359 INFO L275 TraceCheckUtils]: 49: Hoare quadruple {4910#true} {5528#(<= |fibo1_#in~n| fibo1_~n)} #57#return; {5528#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:53,364 INFO L280 TraceCheckUtils]: 50: Hoare triple {5528#(<= |fibo1_#in~n| fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5528#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:53,365 INFO L263 TraceCheckUtils]: 51: Hoare triple {5528#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-17 22:20:53,365 INFO L280 TraceCheckUtils]: 52: Hoare triple {4910#true} ~n := #in~n; {5541#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:53,366 INFO L280 TraceCheckUtils]: 53: Hoare triple {5541#(<= |fibo2_#in~n| fibo2_~n)} assume !(~n < 1); {5541#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:53,366 INFO L280 TraceCheckUtils]: 54: Hoare triple {5541#(<= |fibo2_#in~n| fibo2_~n)} assume 1 == ~n;#res := 1; {5355#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:53,367 INFO L280 TraceCheckUtils]: 55: Hoare triple {5355#(<= |fibo2_#in~n| 1)} assume true; {5355#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:53,368 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {5355#(<= |fibo2_#in~n| 1)} {5528#(<= |fibo1_#in~n| fibo1_~n)} #59#return; {5680#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:53,369 INFO L280 TraceCheckUtils]: 57: Hoare triple {5680#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {5680#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:53,369 INFO L280 TraceCheckUtils]: 58: Hoare triple {5680#(<= |fibo1_#in~n| 3)} assume true; {5680#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:53,370 INFO L275 TraceCheckUtils]: 59: Hoare quadruple {5680#(<= |fibo1_#in~n| 3)} {5541#(<= |fibo2_#in~n| fibo2_~n)} #53#return; {5690#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:53,371 INFO L280 TraceCheckUtils]: 60: Hoare triple {5690#(<= |fibo2_#in~n| 4)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5690#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:53,371 INFO L263 TraceCheckUtils]: 61: Hoare triple {5690#(<= |fibo2_#in~n| 4)} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-17 22:20:53,371 INFO L280 TraceCheckUtils]: 62: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:53,371 INFO L280 TraceCheckUtils]: 63: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:53,371 INFO L280 TraceCheckUtils]: 64: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:53,372 INFO L263 TraceCheckUtils]: 65: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-17 22:20:53,372 INFO L280 TraceCheckUtils]: 66: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:53,372 INFO L280 TraceCheckUtils]: 67: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:53,372 INFO L280 TraceCheckUtils]: 68: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:53,372 INFO L280 TraceCheckUtils]: 69: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:53,373 INFO L275 TraceCheckUtils]: 70: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-17 22:20:53,373 INFO L280 TraceCheckUtils]: 71: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-17 22:20:53,373 INFO L263 TraceCheckUtils]: 72: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-17 22:20:53,373 INFO L280 TraceCheckUtils]: 73: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:53,373 INFO L280 TraceCheckUtils]: 74: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-17 22:20:53,373 INFO L280 TraceCheckUtils]: 75: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:53,373 INFO L275 TraceCheckUtils]: 76: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-17 22:20:53,373 INFO L280 TraceCheckUtils]: 77: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4910#true} is VALID [2020-07-17 22:20:53,374 INFO L280 TraceCheckUtils]: 78: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:53,374 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {4910#true} {5690#(<= |fibo2_#in~n| 4)} #55#return; {5690#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:53,375 INFO L280 TraceCheckUtils]: 80: Hoare triple {5690#(<= |fibo2_#in~n| 4)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {5690#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:53,375 INFO L280 TraceCheckUtils]: 81: Hoare triple {5690#(<= |fibo2_#in~n| 4)} assume true; {5690#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:53,376 INFO L275 TraceCheckUtils]: 82: Hoare quadruple {5690#(<= |fibo2_#in~n| 4)} {5528#(<= |fibo1_#in~n| fibo1_~n)} #57#return; {5760#(<= |fibo1_#in~n| 5)} is VALID [2020-07-17 22:20:53,376 INFO L280 TraceCheckUtils]: 83: Hoare triple {5760#(<= |fibo1_#in~n| 5)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5760#(<= |fibo1_#in~n| 5)} is VALID [2020-07-17 22:20:53,376 INFO L263 TraceCheckUtils]: 84: Hoare triple {5760#(<= |fibo1_#in~n| 5)} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-17 22:20:53,377 INFO L280 TraceCheckUtils]: 85: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:53,377 INFO L280 TraceCheckUtils]: 86: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:53,377 INFO L280 TraceCheckUtils]: 87: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:53,377 INFO L263 TraceCheckUtils]: 88: Hoare triple {4910#true} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-17 22:20:53,377 INFO L280 TraceCheckUtils]: 89: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:53,377 INFO L280 TraceCheckUtils]: 90: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:53,377 INFO L280 TraceCheckUtils]: 91: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:53,378 INFO L263 TraceCheckUtils]: 92: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-17 22:20:53,378 INFO L280 TraceCheckUtils]: 93: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:53,378 INFO L280 TraceCheckUtils]: 94: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:53,378 INFO L280 TraceCheckUtils]: 95: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:53,379 INFO L263 TraceCheckUtils]: 96: Hoare triple {4910#true} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-17 22:20:53,379 INFO L280 TraceCheckUtils]: 97: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:53,379 INFO L280 TraceCheckUtils]: 98: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:53,379 INFO L280 TraceCheckUtils]: 99: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:53,379 INFO L263 TraceCheckUtils]: 100: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-17 22:20:53,380 INFO L280 TraceCheckUtils]: 101: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:53,380 INFO L280 TraceCheckUtils]: 102: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:53,380 INFO L280 TraceCheckUtils]: 103: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:53,380 INFO L280 TraceCheckUtils]: 104: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:53,380 INFO L275 TraceCheckUtils]: 105: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-17 22:20:53,381 INFO L280 TraceCheckUtils]: 106: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-17 22:20:53,381 INFO L263 TraceCheckUtils]: 107: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-17 22:20:53,381 INFO L280 TraceCheckUtils]: 108: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:53,381 INFO L280 TraceCheckUtils]: 109: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-17 22:20:53,381 INFO L280 TraceCheckUtils]: 110: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:53,381 INFO L275 TraceCheckUtils]: 111: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-17 22:20:53,382 INFO L280 TraceCheckUtils]: 112: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4910#true} is VALID [2020-07-17 22:20:53,382 INFO L280 TraceCheckUtils]: 113: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:53,382 INFO L275 TraceCheckUtils]: 114: Hoare quadruple {4910#true} {4910#true} #53#return; {4910#true} is VALID [2020-07-17 22:20:53,382 INFO L280 TraceCheckUtils]: 115: Hoare triple {4910#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4910#true} is VALID [2020-07-17 22:20:53,382 INFO L263 TraceCheckUtils]: 116: Hoare triple {4910#true} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-17 22:20:53,383 INFO L280 TraceCheckUtils]: 117: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:53,383 INFO L280 TraceCheckUtils]: 118: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:53,383 INFO L280 TraceCheckUtils]: 119: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:53,383 INFO L280 TraceCheckUtils]: 120: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:53,383 INFO L275 TraceCheckUtils]: 121: Hoare quadruple {4910#true} {4910#true} #55#return; {4910#true} is VALID [2020-07-17 22:20:53,383 INFO L280 TraceCheckUtils]: 122: Hoare triple {4910#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {4910#true} is VALID [2020-07-17 22:20:53,384 INFO L280 TraceCheckUtils]: 123: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:53,384 INFO L275 TraceCheckUtils]: 124: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-17 22:20:53,384 INFO L280 TraceCheckUtils]: 125: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-17 22:20:53,384 INFO L263 TraceCheckUtils]: 126: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-17 22:20:53,384 INFO L280 TraceCheckUtils]: 127: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:53,384 INFO L280 TraceCheckUtils]: 128: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:53,385 INFO L280 TraceCheckUtils]: 129: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:53,385 INFO L280 TraceCheckUtils]: 130: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:53,385 INFO L275 TraceCheckUtils]: 131: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-17 22:20:53,385 INFO L280 TraceCheckUtils]: 132: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4910#true} is VALID [2020-07-17 22:20:53,385 INFO L280 TraceCheckUtils]: 133: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:53,385 INFO L275 TraceCheckUtils]: 134: Hoare quadruple {4910#true} {4910#true} #53#return; {4910#true} is VALID [2020-07-17 22:20:53,386 INFO L280 TraceCheckUtils]: 135: Hoare triple {4910#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4910#true} is VALID [2020-07-17 22:20:53,386 INFO L263 TraceCheckUtils]: 136: Hoare triple {4910#true} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-17 22:20:53,386 INFO L280 TraceCheckUtils]: 137: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:53,386 INFO L280 TraceCheckUtils]: 138: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:53,386 INFO L280 TraceCheckUtils]: 139: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-17 22:20:53,387 INFO L263 TraceCheckUtils]: 140: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-17 22:20:53,387 INFO L280 TraceCheckUtils]: 141: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:53,387 INFO L280 TraceCheckUtils]: 142: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-17 22:20:53,387 INFO L280 TraceCheckUtils]: 143: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-17 22:20:53,387 INFO L280 TraceCheckUtils]: 144: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:53,387 INFO L275 TraceCheckUtils]: 145: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-17 22:20:53,388 INFO L280 TraceCheckUtils]: 146: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-17 22:20:53,388 INFO L263 TraceCheckUtils]: 147: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-17 22:20:53,388 INFO L280 TraceCheckUtils]: 148: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-17 22:20:53,388 INFO L280 TraceCheckUtils]: 149: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-17 22:20:53,388 INFO L280 TraceCheckUtils]: 150: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:53,388 INFO L275 TraceCheckUtils]: 151: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-17 22:20:53,389 INFO L280 TraceCheckUtils]: 152: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4910#true} is VALID [2020-07-17 22:20:53,389 INFO L280 TraceCheckUtils]: 153: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:53,389 INFO L275 TraceCheckUtils]: 154: Hoare quadruple {4910#true} {4910#true} #55#return; {4910#true} is VALID [2020-07-17 22:20:53,389 INFO L280 TraceCheckUtils]: 155: Hoare triple {4910#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {4910#true} is VALID [2020-07-17 22:20:53,389 INFO L280 TraceCheckUtils]: 156: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-17 22:20:53,390 INFO L275 TraceCheckUtils]: 157: Hoare quadruple {4910#true} {5760#(<= |fibo1_#in~n| 5)} #59#return; {5760#(<= |fibo1_#in~n| 5)} is VALID [2020-07-17 22:20:53,391 INFO L280 TraceCheckUtils]: 158: Hoare triple {5760#(<= |fibo1_#in~n| 5)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {5760#(<= |fibo1_#in~n| 5)} is VALID [2020-07-17 22:20:53,391 INFO L280 TraceCheckUtils]: 159: Hoare triple {5760#(<= |fibo1_#in~n| 5)} assume true; {5760#(<= |fibo1_#in~n| 5)} is VALID [2020-07-17 22:20:53,392 INFO L275 TraceCheckUtils]: 160: Hoare quadruple {5760#(<= |fibo1_#in~n| 5)} {4914#(<= 6 main_~x~0)} #51#return; {4911#false} is VALID [2020-07-17 22:20:53,393 INFO L280 TraceCheckUtils]: 161: Hoare triple {4911#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {4911#false} is VALID [2020-07-17 22:20:53,393 INFO L280 TraceCheckUtils]: 162: Hoare triple {4911#false} assume 8 == ~result~0; {4911#false} is VALID [2020-07-17 22:20:53,393 INFO L280 TraceCheckUtils]: 163: Hoare triple {4911#false} assume !false; {4911#false} is VALID [2020-07-17 22:20:53,409 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 54 proven. 149 refuted. 0 times theorem prover too weak. 494 trivial. 0 not checked. [2020-07-17 22:20:53,410 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 22:20:53,410 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 15 [2020-07-17 22:20:53,410 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661841822] [2020-07-17 22:20:53,411 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 164 [2020-07-17 22:20:53,448 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:20:53,448 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states. [2020-07-17 22:20:53,552 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 99 edges. 99 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:20:53,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-17 22:20:53,553 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:20:53,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-17 22:20:53,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-07-17 22:20:53,554 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand 15 states. [2020-07-17 22:20:55,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:55,145 INFO L93 Difference]: Finished difference Result 172 states and 251 transitions. [2020-07-17 22:20:55,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-17 22:20:55,145 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 164 [2020-07-17 22:20:55,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:20:55,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-17 22:20:55,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 129 transitions. [2020-07-17 22:20:55,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-17 22:20:55,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 129 transitions. [2020-07-17 22:20:55,169 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 21 states and 129 transitions. [2020-07-17 22:20:55,337 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 129 edges. 129 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:20:55,341 INFO L225 Difference]: With dead ends: 172 [2020-07-17 22:20:55,342 INFO L226 Difference]: Without dead ends: 96 [2020-07-17 22:20:55,343 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=117, Invalid=533, Unknown=0, NotChecked=0, Total=650 [2020-07-17 22:20:55,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2020-07-17 22:20:55,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 90. [2020-07-17 22:20:55,410 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:20:55,410 INFO L82 GeneralOperation]: Start isEquivalent. First operand 96 states. Second operand 90 states. [2020-07-17 22:20:55,410 INFO L74 IsIncluded]: Start isIncluded. First operand 96 states. Second operand 90 states. [2020-07-17 22:20:55,410 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 90 states. [2020-07-17 22:20:55,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:55,415 INFO L93 Difference]: Finished difference Result 96 states and 129 transitions. [2020-07-17 22:20:55,415 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 129 transitions. [2020-07-17 22:20:55,416 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:55,416 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:55,416 INFO L74 IsIncluded]: Start isIncluded. First operand 90 states. Second operand 96 states. [2020-07-17 22:20:55,416 INFO L87 Difference]: Start difference. First operand 90 states. Second operand 96 states. [2020-07-17 22:20:55,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:55,421 INFO L93 Difference]: Finished difference Result 96 states and 129 transitions. [2020-07-17 22:20:55,421 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 129 transitions. [2020-07-17 22:20:55,422 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:55,422 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:55,422 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:20:55,422 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:20:55,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-07-17 22:20:55,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 121 transitions. [2020-07-17 22:20:55,426 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 121 transitions. Word has length 164 [2020-07-17 22:20:55,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:20:55,426 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 121 transitions. [2020-07-17 22:20:55,426 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-17 22:20:55,426 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 121 transitions. [2020-07-17 22:20:55,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-07-17 22:20:55,429 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:20:55,429 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 10, 9, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:20:55,644 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:20:55,644 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:20:55,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:20:55,645 INFO L82 PathProgramCache]: Analyzing trace with hash 639237618, now seen corresponding path program 1 times [2020-07-17 22:20:55,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:20:55,646 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930072355] [2020-07-17 22:20:55,646 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:20:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:55,771 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:55,771 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {6552#true} {6552#true} #47#return; {6552#true} is VALID [2020-07-17 22:20:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:55,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:56,090 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,091 INFO L280 TraceCheckUtils]: 1: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,091 INFO L280 TraceCheckUtils]: 2: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,092 INFO L280 TraceCheckUtils]: 3: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,093 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #57#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:56,099 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,100 INFO L280 TraceCheckUtils]: 1: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-17 22:20:56,100 INFO L280 TraceCheckUtils]: 2: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,102 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #59#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,103 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,104 INFO L280 TraceCheckUtils]: 1: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-17 22:20:56,106 INFO L280 TraceCheckUtils]: 2: Hoare triple {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,106 INFO L263 TraceCheckUtils]: 3: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,106 INFO L280 TraceCheckUtils]: 4: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,106 INFO L280 TraceCheckUtils]: 5: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,107 INFO L280 TraceCheckUtils]: 6: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,107 INFO L280 TraceCheckUtils]: 7: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,108 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #57#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,109 INFO L280 TraceCheckUtils]: 9: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,109 INFO L263 TraceCheckUtils]: 10: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,110 INFO L280 TraceCheckUtils]: 11: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,110 INFO L280 TraceCheckUtils]: 12: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-17 22:20:56,110 INFO L280 TraceCheckUtils]: 13: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,111 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #59#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,112 INFO L280 TraceCheckUtils]: 15: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,113 INFO L280 TraceCheckUtils]: 16: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume true; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,114 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {7029#(<= 2 |fibo1_#in~n|)} {6859#(= fibo2_~n |fibo2_#in~n|)} #53#return; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:56,120 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,120 INFO L280 TraceCheckUtils]: 1: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,121 INFO L280 TraceCheckUtils]: 2: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,121 INFO L280 TraceCheckUtils]: 3: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,123 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6552#true} {7022#(<= 3 |fibo2_#in~n|)} #55#return; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,123 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,124 INFO L280 TraceCheckUtils]: 1: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,125 INFO L280 TraceCheckUtils]: 2: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,125 INFO L263 TraceCheckUtils]: 3: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,126 INFO L280 TraceCheckUtils]: 4: Hoare triple {6552#true} ~n := #in~n; {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,127 INFO L280 TraceCheckUtils]: 5: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-17 22:20:56,128 INFO L280 TraceCheckUtils]: 6: Hoare triple {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,129 INFO L263 TraceCheckUtils]: 7: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,129 INFO L280 TraceCheckUtils]: 8: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,129 INFO L280 TraceCheckUtils]: 9: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,129 INFO L280 TraceCheckUtils]: 10: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,130 INFO L280 TraceCheckUtils]: 11: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,131 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #57#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,132 INFO L280 TraceCheckUtils]: 13: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,133 INFO L263 TraceCheckUtils]: 14: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,133 INFO L280 TraceCheckUtils]: 15: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,133 INFO L280 TraceCheckUtils]: 16: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-17 22:20:56,134 INFO L280 TraceCheckUtils]: 17: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,135 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #59#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,136 INFO L280 TraceCheckUtils]: 19: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,137 INFO L280 TraceCheckUtils]: 20: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume true; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,139 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {7029#(<= 2 |fibo1_#in~n|)} {6859#(= fibo2_~n |fibo2_#in~n|)} #53#return; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,140 INFO L280 TraceCheckUtils]: 22: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,140 INFO L263 TraceCheckUtils]: 23: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,141 INFO L280 TraceCheckUtils]: 24: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,141 INFO L280 TraceCheckUtils]: 25: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,141 INFO L280 TraceCheckUtils]: 26: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,141 INFO L280 TraceCheckUtils]: 27: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,143 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {6552#true} {7022#(<= 3 |fibo2_#in~n|)} #55#return; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,143 INFO L280 TraceCheckUtils]: 29: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,144 INFO L280 TraceCheckUtils]: 30: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} assume true; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,146 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {7022#(<= 3 |fibo2_#in~n|)} {6952#(= fibo1_~n |fibo1_#in~n|)} #57#return; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:56,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:56,159 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,160 INFO L280 TraceCheckUtils]: 1: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,160 INFO L280 TraceCheckUtils]: 2: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,161 INFO L280 TraceCheckUtils]: 3: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,161 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6552#true} {6552#true} #53#return; {6552#true} is VALID [2020-07-17 22:20:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:56,166 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,167 INFO L280 TraceCheckUtils]: 1: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-17 22:20:56,167 INFO L280 TraceCheckUtils]: 2: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,168 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {6552#true} {6552#true} #55#return; {6552#true} is VALID [2020-07-17 22:20:56,168 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,169 INFO L280 TraceCheckUtils]: 1: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,169 INFO L280 TraceCheckUtils]: 2: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-17 22:20:56,170 INFO L263 TraceCheckUtils]: 3: Hoare triple {6552#true} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,170 INFO L280 TraceCheckUtils]: 4: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,171 INFO L280 TraceCheckUtils]: 5: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,171 INFO L280 TraceCheckUtils]: 6: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,171 INFO L280 TraceCheckUtils]: 7: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,172 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {6552#true} {6552#true} #53#return; {6552#true} is VALID [2020-07-17 22:20:56,172 INFO L280 TraceCheckUtils]: 9: Hoare triple {6552#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6552#true} is VALID [2020-07-17 22:20:56,173 INFO L263 TraceCheckUtils]: 10: Hoare triple {6552#true} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,173 INFO L280 TraceCheckUtils]: 11: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,174 INFO L280 TraceCheckUtils]: 12: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-17 22:20:56,174 INFO L280 TraceCheckUtils]: 13: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,174 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {6552#true} {6552#true} #55#return; {6552#true} is VALID [2020-07-17 22:20:56,175 INFO L280 TraceCheckUtils]: 15: Hoare triple {6552#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {6552#true} is VALID [2020-07-17 22:20:56,175 INFO L280 TraceCheckUtils]: 16: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,176 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {6552#true} {6985#(<= 4 |fibo1_#in~n|)} #59#return; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,179 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,180 INFO L280 TraceCheckUtils]: 1: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,181 INFO L280 TraceCheckUtils]: 2: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,181 INFO L263 TraceCheckUtils]: 3: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,181 INFO L280 TraceCheckUtils]: 4: Hoare triple {6552#true} ~n := #in~n; {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,182 INFO L280 TraceCheckUtils]: 5: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,183 INFO L280 TraceCheckUtils]: 6: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,183 INFO L263 TraceCheckUtils]: 7: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,184 INFO L280 TraceCheckUtils]: 8: Hoare triple {6552#true} ~n := #in~n; {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,185 INFO L280 TraceCheckUtils]: 9: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-17 22:20:56,186 INFO L280 TraceCheckUtils]: 10: Hoare triple {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,187 INFO L263 TraceCheckUtils]: 11: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,187 INFO L280 TraceCheckUtils]: 12: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,187 INFO L280 TraceCheckUtils]: 13: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,188 INFO L280 TraceCheckUtils]: 14: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,188 INFO L280 TraceCheckUtils]: 15: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,189 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #57#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,190 INFO L280 TraceCheckUtils]: 17: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,190 INFO L263 TraceCheckUtils]: 18: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,190 INFO L280 TraceCheckUtils]: 19: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,191 INFO L280 TraceCheckUtils]: 20: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-17 22:20:56,191 INFO L280 TraceCheckUtils]: 21: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,192 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #59#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,193 INFO L280 TraceCheckUtils]: 23: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,193 INFO L280 TraceCheckUtils]: 24: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume true; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,195 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {7029#(<= 2 |fibo1_#in~n|)} {6859#(= fibo2_~n |fibo2_#in~n|)} #53#return; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,196 INFO L280 TraceCheckUtils]: 26: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,196 INFO L263 TraceCheckUtils]: 27: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,196 INFO L280 TraceCheckUtils]: 28: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,197 INFO L280 TraceCheckUtils]: 29: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,197 INFO L280 TraceCheckUtils]: 30: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,197 INFO L280 TraceCheckUtils]: 31: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,199 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {6552#true} {7022#(<= 3 |fibo2_#in~n|)} #55#return; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,199 INFO L280 TraceCheckUtils]: 33: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,200 INFO L280 TraceCheckUtils]: 34: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} assume true; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,201 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {7022#(<= 3 |fibo2_#in~n|)} {6952#(= fibo1_~n |fibo1_#in~n|)} #57#return; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,202 INFO L280 TraceCheckUtils]: 36: Hoare triple {6985#(<= 4 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,202 INFO L263 TraceCheckUtils]: 37: Hoare triple {6985#(<= 4 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,202 INFO L280 TraceCheckUtils]: 38: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,203 INFO L280 TraceCheckUtils]: 39: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,203 INFO L280 TraceCheckUtils]: 40: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-17 22:20:56,203 INFO L263 TraceCheckUtils]: 41: Hoare triple {6552#true} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,203 INFO L280 TraceCheckUtils]: 42: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,204 INFO L280 TraceCheckUtils]: 43: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,204 INFO L280 TraceCheckUtils]: 44: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,204 INFO L280 TraceCheckUtils]: 45: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,204 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {6552#true} {6552#true} #53#return; {6552#true} is VALID [2020-07-17 22:20:56,205 INFO L280 TraceCheckUtils]: 47: Hoare triple {6552#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6552#true} is VALID [2020-07-17 22:20:56,205 INFO L263 TraceCheckUtils]: 48: Hoare triple {6552#true} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,205 INFO L280 TraceCheckUtils]: 49: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,205 INFO L280 TraceCheckUtils]: 50: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-17 22:20:56,206 INFO L280 TraceCheckUtils]: 51: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,206 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {6552#true} {6552#true} #55#return; {6552#true} is VALID [2020-07-17 22:20:56,206 INFO L280 TraceCheckUtils]: 53: Hoare triple {6552#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {6552#true} is VALID [2020-07-17 22:20:56,206 INFO L280 TraceCheckUtils]: 54: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,208 INFO L275 TraceCheckUtils]: 55: Hoare quadruple {6552#true} {6985#(<= 4 |fibo1_#in~n|)} #59#return; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,209 INFO L280 TraceCheckUtils]: 56: Hoare triple {6985#(<= 4 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,209 INFO L280 TraceCheckUtils]: 57: Hoare triple {6985#(<= 4 |fibo1_#in~n|)} assume true; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,211 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {6985#(<= 4 |fibo1_#in~n|)} {6859#(= fibo2_~n |fibo2_#in~n|)} #53#return; {6919#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:56,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:56,282 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,283 INFO L280 TraceCheckUtils]: 1: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,283 INFO L280 TraceCheckUtils]: 2: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,283 INFO L280 TraceCheckUtils]: 3: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,284 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6552#true} {6552#true} #53#return; {6552#true} is VALID [2020-07-17 22:20:56,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:56,287 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,288 INFO L280 TraceCheckUtils]: 1: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-17 22:20:56,288 INFO L280 TraceCheckUtils]: 2: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,288 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {6552#true} {6552#true} #55#return; {6552#true} is VALID [2020-07-17 22:20:56,288 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,289 INFO L280 TraceCheckUtils]: 1: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,289 INFO L280 TraceCheckUtils]: 2: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-17 22:20:56,289 INFO L263 TraceCheckUtils]: 3: Hoare triple {6552#true} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,290 INFO L280 TraceCheckUtils]: 4: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,290 INFO L280 TraceCheckUtils]: 5: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,290 INFO L280 TraceCheckUtils]: 6: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,291 INFO L280 TraceCheckUtils]: 7: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,291 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {6552#true} {6552#true} #53#return; {6552#true} is VALID [2020-07-17 22:20:56,291 INFO L280 TraceCheckUtils]: 9: Hoare triple {6552#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6552#true} is VALID [2020-07-17 22:20:56,291 INFO L263 TraceCheckUtils]: 10: Hoare triple {6552#true} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,292 INFO L280 TraceCheckUtils]: 11: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,292 INFO L280 TraceCheckUtils]: 12: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-17 22:20:56,292 INFO L280 TraceCheckUtils]: 13: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,293 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {6552#true} {6552#true} #55#return; {6552#true} is VALID [2020-07-17 22:20:56,293 INFO L280 TraceCheckUtils]: 15: Hoare triple {6552#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {6552#true} is VALID [2020-07-17 22:20:56,293 INFO L280 TraceCheckUtils]: 16: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,294 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {6552#true} {6552#true} #57#return; {6552#true} is VALID [2020-07-17 22:20:56,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:56,298 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,298 INFO L280 TraceCheckUtils]: 1: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,299 INFO L280 TraceCheckUtils]: 2: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,299 INFO L280 TraceCheckUtils]: 3: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,299 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6552#true} {6552#true} #59#return; {6552#true} is VALID [2020-07-17 22:20:56,300 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,300 INFO L280 TraceCheckUtils]: 1: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,300 INFO L280 TraceCheckUtils]: 2: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-17 22:20:56,300 INFO L263 TraceCheckUtils]: 3: Hoare triple {6552#true} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,301 INFO L280 TraceCheckUtils]: 4: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,301 INFO L280 TraceCheckUtils]: 5: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,301 INFO L280 TraceCheckUtils]: 6: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-17 22:20:56,301 INFO L263 TraceCheckUtils]: 7: Hoare triple {6552#true} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,302 INFO L280 TraceCheckUtils]: 8: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,302 INFO L280 TraceCheckUtils]: 9: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,302 INFO L280 TraceCheckUtils]: 10: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,303 INFO L280 TraceCheckUtils]: 11: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,303 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {6552#true} {6552#true} #53#return; {6552#true} is VALID [2020-07-17 22:20:56,303 INFO L280 TraceCheckUtils]: 13: Hoare triple {6552#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6552#true} is VALID [2020-07-17 22:20:56,303 INFO L263 TraceCheckUtils]: 14: Hoare triple {6552#true} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,304 INFO L280 TraceCheckUtils]: 15: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,304 INFO L280 TraceCheckUtils]: 16: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-17 22:20:56,304 INFO L280 TraceCheckUtils]: 17: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,304 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {6552#true} {6552#true} #55#return; {6552#true} is VALID [2020-07-17 22:20:56,305 INFO L280 TraceCheckUtils]: 19: Hoare triple {6552#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {6552#true} is VALID [2020-07-17 22:20:56,305 INFO L280 TraceCheckUtils]: 20: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,305 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {6552#true} {6552#true} #57#return; {6552#true} is VALID [2020-07-17 22:20:56,306 INFO L280 TraceCheckUtils]: 22: Hoare triple {6552#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6552#true} is VALID [2020-07-17 22:20:56,306 INFO L263 TraceCheckUtils]: 23: Hoare triple {6552#true} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,306 INFO L280 TraceCheckUtils]: 24: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,306 INFO L280 TraceCheckUtils]: 25: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,306 INFO L280 TraceCheckUtils]: 26: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,307 INFO L280 TraceCheckUtils]: 27: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,307 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {6552#true} {6552#true} #59#return; {6552#true} is VALID [2020-07-17 22:20:56,307 INFO L280 TraceCheckUtils]: 29: Hoare triple {6552#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6552#true} is VALID [2020-07-17 22:20:56,307 INFO L280 TraceCheckUtils]: 30: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,309 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {6552#true} {6919#(<= 5 |fibo2_#in~n|)} #55#return; {6919#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,311 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,312 INFO L280 TraceCheckUtils]: 1: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,313 INFO L280 TraceCheckUtils]: 2: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,313 INFO L263 TraceCheckUtils]: 3: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,314 INFO L280 TraceCheckUtils]: 4: Hoare triple {6552#true} ~n := #in~n; {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,315 INFO L280 TraceCheckUtils]: 5: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,316 INFO L280 TraceCheckUtils]: 6: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,316 INFO L263 TraceCheckUtils]: 7: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,317 INFO L280 TraceCheckUtils]: 8: Hoare triple {6552#true} ~n := #in~n; {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,317 INFO L280 TraceCheckUtils]: 9: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,319 INFO L280 TraceCheckUtils]: 10: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,320 INFO L263 TraceCheckUtils]: 11: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,320 INFO L280 TraceCheckUtils]: 12: Hoare triple {6552#true} ~n := #in~n; {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,321 INFO L280 TraceCheckUtils]: 13: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-17 22:20:56,323 INFO L280 TraceCheckUtils]: 14: Hoare triple {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,323 INFO L263 TraceCheckUtils]: 15: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,323 INFO L280 TraceCheckUtils]: 16: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,323 INFO L280 TraceCheckUtils]: 17: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,324 INFO L280 TraceCheckUtils]: 18: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,324 INFO L280 TraceCheckUtils]: 19: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,325 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #57#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,326 INFO L280 TraceCheckUtils]: 21: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,327 INFO L263 TraceCheckUtils]: 22: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,327 INFO L280 TraceCheckUtils]: 23: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,327 INFO L280 TraceCheckUtils]: 24: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-17 22:20:56,327 INFO L280 TraceCheckUtils]: 25: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,329 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #59#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,329 INFO L280 TraceCheckUtils]: 27: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,330 INFO L280 TraceCheckUtils]: 28: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume true; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,331 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {7029#(<= 2 |fibo1_#in~n|)} {6859#(= fibo2_~n |fibo2_#in~n|)} #53#return; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,332 INFO L280 TraceCheckUtils]: 30: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,332 INFO L263 TraceCheckUtils]: 31: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,332 INFO L280 TraceCheckUtils]: 32: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,332 INFO L280 TraceCheckUtils]: 33: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,332 INFO L280 TraceCheckUtils]: 34: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,333 INFO L280 TraceCheckUtils]: 35: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,333 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {6552#true} {7022#(<= 3 |fibo2_#in~n|)} #55#return; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,334 INFO L280 TraceCheckUtils]: 37: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,335 INFO L280 TraceCheckUtils]: 38: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} assume true; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,336 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {7022#(<= 3 |fibo2_#in~n|)} {6952#(= fibo1_~n |fibo1_#in~n|)} #57#return; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,336 INFO L280 TraceCheckUtils]: 40: Hoare triple {6985#(<= 4 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,337 INFO L263 TraceCheckUtils]: 41: Hoare triple {6985#(<= 4 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,337 INFO L280 TraceCheckUtils]: 42: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,337 INFO L280 TraceCheckUtils]: 43: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,337 INFO L280 TraceCheckUtils]: 44: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-17 22:20:56,337 INFO L263 TraceCheckUtils]: 45: Hoare triple {6552#true} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,338 INFO L280 TraceCheckUtils]: 46: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,338 INFO L280 TraceCheckUtils]: 47: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,338 INFO L280 TraceCheckUtils]: 48: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,338 INFO L280 TraceCheckUtils]: 49: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,338 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {6552#true} {6552#true} #53#return; {6552#true} is VALID [2020-07-17 22:20:56,338 INFO L280 TraceCheckUtils]: 51: Hoare triple {6552#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6552#true} is VALID [2020-07-17 22:20:56,339 INFO L263 TraceCheckUtils]: 52: Hoare triple {6552#true} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,339 INFO L280 TraceCheckUtils]: 53: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,339 INFO L280 TraceCheckUtils]: 54: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-17 22:20:56,339 INFO L280 TraceCheckUtils]: 55: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,339 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {6552#true} {6552#true} #55#return; {6552#true} is VALID [2020-07-17 22:20:56,340 INFO L280 TraceCheckUtils]: 57: Hoare triple {6552#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {6552#true} is VALID [2020-07-17 22:20:56,340 INFO L280 TraceCheckUtils]: 58: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,341 INFO L275 TraceCheckUtils]: 59: Hoare quadruple {6552#true} {6985#(<= 4 |fibo1_#in~n|)} #59#return; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,341 INFO L280 TraceCheckUtils]: 60: Hoare triple {6985#(<= 4 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,342 INFO L280 TraceCheckUtils]: 61: Hoare triple {6985#(<= 4 |fibo1_#in~n|)} assume true; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,343 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {6985#(<= 4 |fibo1_#in~n|)} {6859#(= fibo2_~n |fibo2_#in~n|)} #53#return; {6919#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,344 INFO L280 TraceCheckUtils]: 63: Hoare triple {6919#(<= 5 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6919#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,344 INFO L263 TraceCheckUtils]: 64: Hoare triple {6919#(<= 5 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,344 INFO L280 TraceCheckUtils]: 65: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,344 INFO L280 TraceCheckUtils]: 66: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,345 INFO L280 TraceCheckUtils]: 67: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-17 22:20:56,345 INFO L263 TraceCheckUtils]: 68: Hoare triple {6552#true} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,345 INFO L280 TraceCheckUtils]: 69: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,345 INFO L280 TraceCheckUtils]: 70: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,345 INFO L280 TraceCheckUtils]: 71: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-17 22:20:56,346 INFO L263 TraceCheckUtils]: 72: Hoare triple {6552#true} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,346 INFO L280 TraceCheckUtils]: 73: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,346 INFO L280 TraceCheckUtils]: 74: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,346 INFO L280 TraceCheckUtils]: 75: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,346 INFO L280 TraceCheckUtils]: 76: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,347 INFO L275 TraceCheckUtils]: 77: Hoare quadruple {6552#true} {6552#true} #53#return; {6552#true} is VALID [2020-07-17 22:20:56,347 INFO L280 TraceCheckUtils]: 78: Hoare triple {6552#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6552#true} is VALID [2020-07-17 22:20:56,347 INFO L263 TraceCheckUtils]: 79: Hoare triple {6552#true} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,347 INFO L280 TraceCheckUtils]: 80: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,347 INFO L280 TraceCheckUtils]: 81: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-17 22:20:56,347 INFO L280 TraceCheckUtils]: 82: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,348 INFO L275 TraceCheckUtils]: 83: Hoare quadruple {6552#true} {6552#true} #55#return; {6552#true} is VALID [2020-07-17 22:20:56,348 INFO L280 TraceCheckUtils]: 84: Hoare triple {6552#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {6552#true} is VALID [2020-07-17 22:20:56,348 INFO L280 TraceCheckUtils]: 85: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,348 INFO L275 TraceCheckUtils]: 86: Hoare quadruple {6552#true} {6552#true} #57#return; {6552#true} is VALID [2020-07-17 22:20:56,348 INFO L280 TraceCheckUtils]: 87: Hoare triple {6552#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6552#true} is VALID [2020-07-17 22:20:56,349 INFO L263 TraceCheckUtils]: 88: Hoare triple {6552#true} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,349 INFO L280 TraceCheckUtils]: 89: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,349 INFO L280 TraceCheckUtils]: 90: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,349 INFO L280 TraceCheckUtils]: 91: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,349 INFO L280 TraceCheckUtils]: 92: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,350 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {6552#true} {6552#true} #59#return; {6552#true} is VALID [2020-07-17 22:20:56,350 INFO L280 TraceCheckUtils]: 94: Hoare triple {6552#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6552#true} is VALID [2020-07-17 22:20:56,350 INFO L280 TraceCheckUtils]: 95: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,351 INFO L275 TraceCheckUtils]: 96: Hoare quadruple {6552#true} {6919#(<= 5 |fibo2_#in~n|)} #55#return; {6919#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,352 INFO L280 TraceCheckUtils]: 97: Hoare triple {6919#(<= 5 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {6919#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,352 INFO L280 TraceCheckUtils]: 98: Hoare triple {6919#(<= 5 |fibo2_#in~n|)} assume true; {6919#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,353 INFO L275 TraceCheckUtils]: 99: Hoare quadruple {6919#(<= 5 |fibo2_#in~n|)} {6552#true} #57#return; {6812#(<= 6 fibo1_~n)} is VALID [2020-07-17 22:20:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:56,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:56,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:56,435 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,435 INFO L280 TraceCheckUtils]: 1: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,436 INFO L280 TraceCheckUtils]: 2: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {7129#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:56,437 INFO L280 TraceCheckUtils]: 3: Hoare triple {7129#(<= |fibo2_#in~n| 1)} assume true; {7129#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:56,438 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {7129#(<= |fibo2_#in~n| 1)} {6952#(= fibo1_~n |fibo1_#in~n|)} #57#return; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:56,443 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,444 INFO L280 TraceCheckUtils]: 1: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,444 INFO L280 TraceCheckUtils]: 2: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,444 INFO L280 TraceCheckUtils]: 3: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,446 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6552#true} {7123#(<= |fibo1_#in~n| 2)} #59#return; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:56,446 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,447 INFO L280 TraceCheckUtils]: 1: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,448 INFO L280 TraceCheckUtils]: 2: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,448 INFO L263 TraceCheckUtils]: 3: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,449 INFO L280 TraceCheckUtils]: 4: Hoare triple {6552#true} ~n := #in~n; {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,449 INFO L280 TraceCheckUtils]: 5: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,450 INFO L280 TraceCheckUtils]: 6: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {7129#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:56,451 INFO L280 TraceCheckUtils]: 7: Hoare triple {7129#(<= |fibo2_#in~n| 1)} assume true; {7129#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:56,452 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {7129#(<= |fibo2_#in~n| 1)} {6952#(= fibo1_~n |fibo1_#in~n|)} #57#return; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:56,452 INFO L280 TraceCheckUtils]: 9: Hoare triple {7123#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:56,453 INFO L263 TraceCheckUtils]: 10: Hoare triple {7123#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,453 INFO L280 TraceCheckUtils]: 11: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,453 INFO L280 TraceCheckUtils]: 12: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,453 INFO L280 TraceCheckUtils]: 13: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,453 INFO L280 TraceCheckUtils]: 14: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,454 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {6552#true} {7123#(<= |fibo1_#in~n| 2)} #59#return; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:56,455 INFO L280 TraceCheckUtils]: 16: Hoare triple {7123#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:56,456 INFO L280 TraceCheckUtils]: 17: Hoare triple {7123#(<= |fibo1_#in~n| 2)} assume true; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:56,457 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {7123#(<= |fibo1_#in~n| 2)} {6552#true} #53#return; {7099#(<= fibo2_~n 3)} is VALID [2020-07-17 22:20:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:56,476 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,477 INFO L280 TraceCheckUtils]: 1: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,477 INFO L280 TraceCheckUtils]: 2: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,477 INFO L280 TraceCheckUtils]: 3: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,478 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #57#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:56,482 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,483 INFO L280 TraceCheckUtils]: 1: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-17 22:20:56,483 INFO L280 TraceCheckUtils]: 2: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,484 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #59#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,484 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,485 INFO L280 TraceCheckUtils]: 1: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-17 22:20:56,486 INFO L280 TraceCheckUtils]: 2: Hoare triple {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,486 INFO L263 TraceCheckUtils]: 3: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,487 INFO L280 TraceCheckUtils]: 4: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,487 INFO L280 TraceCheckUtils]: 5: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,487 INFO L280 TraceCheckUtils]: 6: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,488 INFO L280 TraceCheckUtils]: 7: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,489 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #57#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,490 INFO L280 TraceCheckUtils]: 9: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,490 INFO L263 TraceCheckUtils]: 10: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,490 INFO L280 TraceCheckUtils]: 11: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,490 INFO L280 TraceCheckUtils]: 12: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-17 22:20:56,491 INFO L280 TraceCheckUtils]: 13: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,492 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #59#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,492 INFO L280 TraceCheckUtils]: 15: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,493 INFO L280 TraceCheckUtils]: 16: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume true; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,495 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {7029#(<= 2 |fibo1_#in~n|)} {7099#(<= fibo2_~n 3)} #55#return; {6553#false} is VALID [2020-07-17 22:20:56,495 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,496 INFO L280 TraceCheckUtils]: 1: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,496 INFO L280 TraceCheckUtils]: 2: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-17 22:20:56,496 INFO L263 TraceCheckUtils]: 3: Hoare triple {6552#true} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,497 INFO L280 TraceCheckUtils]: 4: Hoare triple {6552#true} ~n := #in~n; {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,498 INFO L280 TraceCheckUtils]: 5: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,498 INFO L280 TraceCheckUtils]: 6: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,498 INFO L263 TraceCheckUtils]: 7: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,499 INFO L280 TraceCheckUtils]: 8: Hoare triple {6552#true} ~n := #in~n; {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,500 INFO L280 TraceCheckUtils]: 9: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,500 INFO L280 TraceCheckUtils]: 10: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {7129#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:56,501 INFO L280 TraceCheckUtils]: 11: Hoare triple {7129#(<= |fibo2_#in~n| 1)} assume true; {7129#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:56,503 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {7129#(<= |fibo2_#in~n| 1)} {6952#(= fibo1_~n |fibo1_#in~n|)} #57#return; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:56,503 INFO L280 TraceCheckUtils]: 13: Hoare triple {7123#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:56,504 INFO L263 TraceCheckUtils]: 14: Hoare triple {7123#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,504 INFO L280 TraceCheckUtils]: 15: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,504 INFO L280 TraceCheckUtils]: 16: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,504 INFO L280 TraceCheckUtils]: 17: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,505 INFO L280 TraceCheckUtils]: 18: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,506 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {6552#true} {7123#(<= |fibo1_#in~n| 2)} #59#return; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:56,506 INFO L280 TraceCheckUtils]: 20: Hoare triple {7123#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:56,507 INFO L280 TraceCheckUtils]: 21: Hoare triple {7123#(<= |fibo1_#in~n| 2)} assume true; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:56,508 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {7123#(<= |fibo1_#in~n| 2)} {6552#true} #53#return; {7099#(<= fibo2_~n 3)} is VALID [2020-07-17 22:20:56,508 INFO L280 TraceCheckUtils]: 23: Hoare triple {7099#(<= fibo2_~n 3)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7099#(<= fibo2_~n 3)} is VALID [2020-07-17 22:20:56,509 INFO L263 TraceCheckUtils]: 24: Hoare triple {7099#(<= fibo2_~n 3)} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,509 INFO L280 TraceCheckUtils]: 25: Hoare triple {6552#true} ~n := #in~n; {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,510 INFO L280 TraceCheckUtils]: 26: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-17 22:20:56,511 INFO L280 TraceCheckUtils]: 27: Hoare triple {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,511 INFO L263 TraceCheckUtils]: 28: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,511 INFO L280 TraceCheckUtils]: 29: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,511 INFO L280 TraceCheckUtils]: 30: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,512 INFO L280 TraceCheckUtils]: 31: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,512 INFO L280 TraceCheckUtils]: 32: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,513 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #57#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,513 INFO L280 TraceCheckUtils]: 34: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,514 INFO L263 TraceCheckUtils]: 35: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,514 INFO L280 TraceCheckUtils]: 36: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,514 INFO L280 TraceCheckUtils]: 37: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-17 22:20:56,514 INFO L280 TraceCheckUtils]: 38: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,515 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #59#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,516 INFO L280 TraceCheckUtils]: 40: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,516 INFO L280 TraceCheckUtils]: 41: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume true; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,517 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {7029#(<= 2 |fibo1_#in~n|)} {7099#(<= fibo2_~n 3)} #55#return; {6553#false} is VALID [2020-07-17 22:20:56,518 INFO L280 TraceCheckUtils]: 43: Hoare triple {6553#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {6553#false} is VALID [2020-07-17 22:20:56,518 INFO L280 TraceCheckUtils]: 44: Hoare triple {6553#false} assume true; {6553#false} is VALID [2020-07-17 22:20:56,518 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {6553#false} {6812#(<= 6 fibo1_~n)} #59#return; {6553#false} is VALID [2020-07-17 22:20:56,520 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,520 INFO L280 TraceCheckUtils]: 1: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,521 INFO L280 TraceCheckUtils]: 2: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-17 22:20:56,521 INFO L263 TraceCheckUtils]: 3: Hoare triple {6552#true} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,522 INFO L280 TraceCheckUtils]: 4: Hoare triple {6552#true} ~n := #in~n; {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,522 INFO L280 TraceCheckUtils]: 5: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,523 INFO L280 TraceCheckUtils]: 6: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,523 INFO L263 TraceCheckUtils]: 7: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,524 INFO L280 TraceCheckUtils]: 8: Hoare triple {6552#true} ~n := #in~n; {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,524 INFO L280 TraceCheckUtils]: 9: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,525 INFO L280 TraceCheckUtils]: 10: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,525 INFO L263 TraceCheckUtils]: 11: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,526 INFO L280 TraceCheckUtils]: 12: Hoare triple {6552#true} ~n := #in~n; {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,526 INFO L280 TraceCheckUtils]: 13: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,527 INFO L280 TraceCheckUtils]: 14: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,527 INFO L263 TraceCheckUtils]: 15: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,528 INFO L280 TraceCheckUtils]: 16: Hoare triple {6552#true} ~n := #in~n; {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,529 INFO L280 TraceCheckUtils]: 17: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-17 22:20:56,529 INFO L280 TraceCheckUtils]: 18: Hoare triple {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,530 INFO L263 TraceCheckUtils]: 19: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,530 INFO L280 TraceCheckUtils]: 20: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,530 INFO L280 TraceCheckUtils]: 21: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,530 INFO L280 TraceCheckUtils]: 22: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,531 INFO L280 TraceCheckUtils]: 23: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,532 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #57#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,532 INFO L280 TraceCheckUtils]: 25: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,532 INFO L263 TraceCheckUtils]: 26: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,533 INFO L280 TraceCheckUtils]: 27: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,533 INFO L280 TraceCheckUtils]: 28: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-17 22:20:56,533 INFO L280 TraceCheckUtils]: 29: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,534 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #59#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,534 INFO L280 TraceCheckUtils]: 31: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,535 INFO L280 TraceCheckUtils]: 32: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume true; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,536 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {7029#(<= 2 |fibo1_#in~n|)} {6859#(= fibo2_~n |fibo2_#in~n|)} #53#return; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,537 INFO L280 TraceCheckUtils]: 34: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,537 INFO L263 TraceCheckUtils]: 35: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,537 INFO L280 TraceCheckUtils]: 36: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,538 INFO L280 TraceCheckUtils]: 37: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,538 INFO L280 TraceCheckUtils]: 38: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,538 INFO L280 TraceCheckUtils]: 39: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,539 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {6552#true} {7022#(<= 3 |fibo2_#in~n|)} #55#return; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,539 INFO L280 TraceCheckUtils]: 41: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,540 INFO L280 TraceCheckUtils]: 42: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} assume true; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,541 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {7022#(<= 3 |fibo2_#in~n|)} {6952#(= fibo1_~n |fibo1_#in~n|)} #57#return; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,542 INFO L280 TraceCheckUtils]: 44: Hoare triple {6985#(<= 4 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,542 INFO L263 TraceCheckUtils]: 45: Hoare triple {6985#(<= 4 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,542 INFO L280 TraceCheckUtils]: 46: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,542 INFO L280 TraceCheckUtils]: 47: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,543 INFO L280 TraceCheckUtils]: 48: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-17 22:20:56,543 INFO L263 TraceCheckUtils]: 49: Hoare triple {6552#true} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,543 INFO L280 TraceCheckUtils]: 50: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,543 INFO L280 TraceCheckUtils]: 51: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,543 INFO L280 TraceCheckUtils]: 52: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,544 INFO L280 TraceCheckUtils]: 53: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,544 INFO L275 TraceCheckUtils]: 54: Hoare quadruple {6552#true} {6552#true} #53#return; {6552#true} is VALID [2020-07-17 22:20:56,544 INFO L280 TraceCheckUtils]: 55: Hoare triple {6552#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6552#true} is VALID [2020-07-17 22:20:56,544 INFO L263 TraceCheckUtils]: 56: Hoare triple {6552#true} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,544 INFO L280 TraceCheckUtils]: 57: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,545 INFO L280 TraceCheckUtils]: 58: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-17 22:20:56,545 INFO L280 TraceCheckUtils]: 59: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,545 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {6552#true} {6552#true} #55#return; {6552#true} is VALID [2020-07-17 22:20:56,545 INFO L280 TraceCheckUtils]: 61: Hoare triple {6552#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {6552#true} is VALID [2020-07-17 22:20:56,545 INFO L280 TraceCheckUtils]: 62: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,546 INFO L275 TraceCheckUtils]: 63: Hoare quadruple {6552#true} {6985#(<= 4 |fibo1_#in~n|)} #59#return; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,547 INFO L280 TraceCheckUtils]: 64: Hoare triple {6985#(<= 4 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,548 INFO L280 TraceCheckUtils]: 65: Hoare triple {6985#(<= 4 |fibo1_#in~n|)} assume true; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,549 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {6985#(<= 4 |fibo1_#in~n|)} {6859#(= fibo2_~n |fibo2_#in~n|)} #53#return; {6919#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,549 INFO L280 TraceCheckUtils]: 67: Hoare triple {6919#(<= 5 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6919#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,550 INFO L263 TraceCheckUtils]: 68: Hoare triple {6919#(<= 5 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,550 INFO L280 TraceCheckUtils]: 69: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,550 INFO L280 TraceCheckUtils]: 70: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,550 INFO L280 TraceCheckUtils]: 71: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-17 22:20:56,550 INFO L263 TraceCheckUtils]: 72: Hoare triple {6552#true} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,551 INFO L280 TraceCheckUtils]: 73: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,551 INFO L280 TraceCheckUtils]: 74: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,551 INFO L280 TraceCheckUtils]: 75: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-17 22:20:56,551 INFO L263 TraceCheckUtils]: 76: Hoare triple {6552#true} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,551 INFO L280 TraceCheckUtils]: 77: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,552 INFO L280 TraceCheckUtils]: 78: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,552 INFO L280 TraceCheckUtils]: 79: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,552 INFO L280 TraceCheckUtils]: 80: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,552 INFO L275 TraceCheckUtils]: 81: Hoare quadruple {6552#true} {6552#true} #53#return; {6552#true} is VALID [2020-07-17 22:20:56,552 INFO L280 TraceCheckUtils]: 82: Hoare triple {6552#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6552#true} is VALID [2020-07-17 22:20:56,553 INFO L263 TraceCheckUtils]: 83: Hoare triple {6552#true} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,553 INFO L280 TraceCheckUtils]: 84: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,553 INFO L280 TraceCheckUtils]: 85: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-17 22:20:56,553 INFO L280 TraceCheckUtils]: 86: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,553 INFO L275 TraceCheckUtils]: 87: Hoare quadruple {6552#true} {6552#true} #55#return; {6552#true} is VALID [2020-07-17 22:20:56,553 INFO L280 TraceCheckUtils]: 88: Hoare triple {6552#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {6552#true} is VALID [2020-07-17 22:20:56,554 INFO L280 TraceCheckUtils]: 89: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,554 INFO L275 TraceCheckUtils]: 90: Hoare quadruple {6552#true} {6552#true} #57#return; {6552#true} is VALID [2020-07-17 22:20:56,554 INFO L280 TraceCheckUtils]: 91: Hoare triple {6552#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6552#true} is VALID [2020-07-17 22:20:56,554 INFO L263 TraceCheckUtils]: 92: Hoare triple {6552#true} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,554 INFO L280 TraceCheckUtils]: 93: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,555 INFO L280 TraceCheckUtils]: 94: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,555 INFO L280 TraceCheckUtils]: 95: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,555 INFO L280 TraceCheckUtils]: 96: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,555 INFO L275 TraceCheckUtils]: 97: Hoare quadruple {6552#true} {6552#true} #59#return; {6552#true} is VALID [2020-07-17 22:20:56,556 INFO L280 TraceCheckUtils]: 98: Hoare triple {6552#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6552#true} is VALID [2020-07-17 22:20:56,556 INFO L280 TraceCheckUtils]: 99: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,557 INFO L275 TraceCheckUtils]: 100: Hoare quadruple {6552#true} {6919#(<= 5 |fibo2_#in~n|)} #55#return; {6919#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,558 INFO L280 TraceCheckUtils]: 101: Hoare triple {6919#(<= 5 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {6919#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,559 INFO L280 TraceCheckUtils]: 102: Hoare triple {6919#(<= 5 |fibo2_#in~n|)} assume true; {6919#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,560 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {6919#(<= 5 |fibo2_#in~n|)} {6552#true} #57#return; {6812#(<= 6 fibo1_~n)} is VALID [2020-07-17 22:20:56,561 INFO L280 TraceCheckUtils]: 104: Hoare triple {6812#(<= 6 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6812#(<= 6 fibo1_~n)} is VALID [2020-07-17 22:20:56,561 INFO L263 TraceCheckUtils]: 105: Hoare triple {6812#(<= 6 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,561 INFO L280 TraceCheckUtils]: 106: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,562 INFO L280 TraceCheckUtils]: 107: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,562 INFO L280 TraceCheckUtils]: 108: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-17 22:20:56,562 INFO L263 TraceCheckUtils]: 109: Hoare triple {6552#true} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,563 INFO L280 TraceCheckUtils]: 110: Hoare triple {6552#true} ~n := #in~n; {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,563 INFO L280 TraceCheckUtils]: 111: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,564 INFO L280 TraceCheckUtils]: 112: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,564 INFO L263 TraceCheckUtils]: 113: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,565 INFO L280 TraceCheckUtils]: 114: Hoare triple {6552#true} ~n := #in~n; {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,565 INFO L280 TraceCheckUtils]: 115: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,566 INFO L280 TraceCheckUtils]: 116: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {7129#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:56,567 INFO L280 TraceCheckUtils]: 117: Hoare triple {7129#(<= |fibo2_#in~n| 1)} assume true; {7129#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:56,568 INFO L275 TraceCheckUtils]: 118: Hoare quadruple {7129#(<= |fibo2_#in~n| 1)} {6952#(= fibo1_~n |fibo1_#in~n|)} #57#return; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:56,569 INFO L280 TraceCheckUtils]: 119: Hoare triple {7123#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:56,569 INFO L263 TraceCheckUtils]: 120: Hoare triple {7123#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,569 INFO L280 TraceCheckUtils]: 121: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,570 INFO L280 TraceCheckUtils]: 122: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,570 INFO L280 TraceCheckUtils]: 123: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,570 INFO L280 TraceCheckUtils]: 124: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,571 INFO L275 TraceCheckUtils]: 125: Hoare quadruple {6552#true} {7123#(<= |fibo1_#in~n| 2)} #59#return; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:56,572 INFO L280 TraceCheckUtils]: 126: Hoare triple {7123#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:56,573 INFO L280 TraceCheckUtils]: 127: Hoare triple {7123#(<= |fibo1_#in~n| 2)} assume true; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:56,574 INFO L275 TraceCheckUtils]: 128: Hoare quadruple {7123#(<= |fibo1_#in~n| 2)} {6552#true} #53#return; {7099#(<= fibo2_~n 3)} is VALID [2020-07-17 22:20:56,575 INFO L280 TraceCheckUtils]: 129: Hoare triple {7099#(<= fibo2_~n 3)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7099#(<= fibo2_~n 3)} is VALID [2020-07-17 22:20:56,575 INFO L263 TraceCheckUtils]: 130: Hoare triple {7099#(<= fibo2_~n 3)} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,576 INFO L280 TraceCheckUtils]: 131: Hoare triple {6552#true} ~n := #in~n; {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,577 INFO L280 TraceCheckUtils]: 132: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-17 22:20:56,578 INFO L280 TraceCheckUtils]: 133: Hoare triple {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,579 INFO L263 TraceCheckUtils]: 134: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,579 INFO L280 TraceCheckUtils]: 135: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,579 INFO L280 TraceCheckUtils]: 136: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,579 INFO L280 TraceCheckUtils]: 137: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,579 INFO L280 TraceCheckUtils]: 138: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,580 INFO L275 TraceCheckUtils]: 139: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #57#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,581 INFO L280 TraceCheckUtils]: 140: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,581 INFO L263 TraceCheckUtils]: 141: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,581 INFO L280 TraceCheckUtils]: 142: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,582 INFO L280 TraceCheckUtils]: 143: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-17 22:20:56,582 INFO L280 TraceCheckUtils]: 144: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,583 INFO L275 TraceCheckUtils]: 145: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #59#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,584 INFO L280 TraceCheckUtils]: 146: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,584 INFO L280 TraceCheckUtils]: 147: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume true; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,585 INFO L275 TraceCheckUtils]: 148: Hoare quadruple {7029#(<= 2 |fibo1_#in~n|)} {7099#(<= fibo2_~n 3)} #55#return; {6553#false} is VALID [2020-07-17 22:20:56,586 INFO L280 TraceCheckUtils]: 149: Hoare triple {6553#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {6553#false} is VALID [2020-07-17 22:20:56,586 INFO L280 TraceCheckUtils]: 150: Hoare triple {6553#false} assume true; {6553#false} is VALID [2020-07-17 22:20:56,586 INFO L275 TraceCheckUtils]: 151: Hoare quadruple {6553#false} {6812#(<= 6 fibo1_~n)} #59#return; {6553#false} is VALID [2020-07-17 22:20:56,586 INFO L280 TraceCheckUtils]: 152: Hoare triple {6553#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6553#false} is VALID [2020-07-17 22:20:56,586 INFO L280 TraceCheckUtils]: 153: Hoare triple {6553#false} assume true; {6553#false} is VALID [2020-07-17 22:20:56,587 INFO L275 TraceCheckUtils]: 154: Hoare quadruple {6553#false} {6556#(<= 6 main_~x~0)} #51#return; {6553#false} is VALID [2020-07-17 22:20:56,603 INFO L263 TraceCheckUtils]: 0: Hoare triple {6552#true} call ULTIMATE.init(); {6552#true} is VALID [2020-07-17 22:20:56,603 INFO L280 TraceCheckUtils]: 1: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,603 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {6552#true} {6552#true} #47#return; {6552#true} is VALID [2020-07-17 22:20:56,603 INFO L263 TraceCheckUtils]: 3: Hoare triple {6552#true} call #t~ret5 := main(); {6552#true} is VALID [2020-07-17 22:20:56,604 INFO L280 TraceCheckUtils]: 4: Hoare triple {6552#true} ~x~0 := 6; {6556#(<= 6 main_~x~0)} is VALID [2020-07-17 22:20:56,605 INFO L263 TraceCheckUtils]: 5: Hoare triple {6556#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {6552#true} is VALID [2020-07-17 22:20:56,605 INFO L280 TraceCheckUtils]: 6: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,605 INFO L280 TraceCheckUtils]: 7: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,605 INFO L280 TraceCheckUtils]: 8: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-17 22:20:56,605 INFO L263 TraceCheckUtils]: 9: Hoare triple {6552#true} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,606 INFO L280 TraceCheckUtils]: 10: Hoare triple {6552#true} ~n := #in~n; {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,606 INFO L280 TraceCheckUtils]: 11: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,607 INFO L280 TraceCheckUtils]: 12: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,607 INFO L263 TraceCheckUtils]: 13: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,608 INFO L280 TraceCheckUtils]: 14: Hoare triple {6552#true} ~n := #in~n; {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,608 INFO L280 TraceCheckUtils]: 15: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,609 INFO L280 TraceCheckUtils]: 16: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,609 INFO L263 TraceCheckUtils]: 17: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,609 INFO L280 TraceCheckUtils]: 18: Hoare triple {6552#true} ~n := #in~n; {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,610 INFO L280 TraceCheckUtils]: 19: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,610 INFO L280 TraceCheckUtils]: 20: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,611 INFO L263 TraceCheckUtils]: 21: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,611 INFO L280 TraceCheckUtils]: 22: Hoare triple {6552#true} ~n := #in~n; {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,612 INFO L280 TraceCheckUtils]: 23: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-17 22:20:56,613 INFO L280 TraceCheckUtils]: 24: Hoare triple {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,613 INFO L263 TraceCheckUtils]: 25: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,613 INFO L280 TraceCheckUtils]: 26: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,613 INFO L280 TraceCheckUtils]: 27: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,613 INFO L280 TraceCheckUtils]: 28: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,614 INFO L280 TraceCheckUtils]: 29: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,615 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #57#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,615 INFO L280 TraceCheckUtils]: 31: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,615 INFO L263 TraceCheckUtils]: 32: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,616 INFO L280 TraceCheckUtils]: 33: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,616 INFO L280 TraceCheckUtils]: 34: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-17 22:20:56,616 INFO L280 TraceCheckUtils]: 35: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,617 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #59#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,617 INFO L280 TraceCheckUtils]: 37: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,618 INFO L280 TraceCheckUtils]: 38: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume true; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,619 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {7029#(<= 2 |fibo1_#in~n|)} {6859#(= fibo2_~n |fibo2_#in~n|)} #53#return; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,620 INFO L280 TraceCheckUtils]: 40: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,620 INFO L263 TraceCheckUtils]: 41: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,620 INFO L280 TraceCheckUtils]: 42: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,620 INFO L280 TraceCheckUtils]: 43: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,621 INFO L280 TraceCheckUtils]: 44: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,621 INFO L280 TraceCheckUtils]: 45: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,622 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {6552#true} {7022#(<= 3 |fibo2_#in~n|)} #55#return; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,622 INFO L280 TraceCheckUtils]: 47: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,623 INFO L280 TraceCheckUtils]: 48: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} assume true; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,624 INFO L275 TraceCheckUtils]: 49: Hoare quadruple {7022#(<= 3 |fibo2_#in~n|)} {6952#(= fibo1_~n |fibo1_#in~n|)} #57#return; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,625 INFO L280 TraceCheckUtils]: 50: Hoare triple {6985#(<= 4 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,625 INFO L263 TraceCheckUtils]: 51: Hoare triple {6985#(<= 4 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,625 INFO L280 TraceCheckUtils]: 52: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,625 INFO L280 TraceCheckUtils]: 53: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,625 INFO L280 TraceCheckUtils]: 54: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-17 22:20:56,625 INFO L263 TraceCheckUtils]: 55: Hoare triple {6552#true} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,626 INFO L280 TraceCheckUtils]: 56: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,626 INFO L280 TraceCheckUtils]: 57: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,626 INFO L280 TraceCheckUtils]: 58: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,626 INFO L280 TraceCheckUtils]: 59: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,626 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {6552#true} {6552#true} #53#return; {6552#true} is VALID [2020-07-17 22:20:56,627 INFO L280 TraceCheckUtils]: 61: Hoare triple {6552#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6552#true} is VALID [2020-07-17 22:20:56,627 INFO L263 TraceCheckUtils]: 62: Hoare triple {6552#true} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,627 INFO L280 TraceCheckUtils]: 63: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,627 INFO L280 TraceCheckUtils]: 64: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-17 22:20:56,627 INFO L280 TraceCheckUtils]: 65: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,627 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {6552#true} {6552#true} #55#return; {6552#true} is VALID [2020-07-17 22:20:56,628 INFO L280 TraceCheckUtils]: 67: Hoare triple {6552#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {6552#true} is VALID [2020-07-17 22:20:56,628 INFO L280 TraceCheckUtils]: 68: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,629 INFO L275 TraceCheckUtils]: 69: Hoare quadruple {6552#true} {6985#(<= 4 |fibo1_#in~n|)} #59#return; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,629 INFO L280 TraceCheckUtils]: 70: Hoare triple {6985#(<= 4 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,630 INFO L280 TraceCheckUtils]: 71: Hoare triple {6985#(<= 4 |fibo1_#in~n|)} assume true; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,631 INFO L275 TraceCheckUtils]: 72: Hoare quadruple {6985#(<= 4 |fibo1_#in~n|)} {6859#(= fibo2_~n |fibo2_#in~n|)} #53#return; {6919#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,632 INFO L280 TraceCheckUtils]: 73: Hoare triple {6919#(<= 5 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6919#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,632 INFO L263 TraceCheckUtils]: 74: Hoare triple {6919#(<= 5 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,632 INFO L280 TraceCheckUtils]: 75: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,632 INFO L280 TraceCheckUtils]: 76: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,632 INFO L280 TraceCheckUtils]: 77: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-17 22:20:56,633 INFO L263 TraceCheckUtils]: 78: Hoare triple {6552#true} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,633 INFO L280 TraceCheckUtils]: 79: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,633 INFO L280 TraceCheckUtils]: 80: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,633 INFO L280 TraceCheckUtils]: 81: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-17 22:20:56,633 INFO L263 TraceCheckUtils]: 82: Hoare triple {6552#true} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,633 INFO L280 TraceCheckUtils]: 83: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,634 INFO L280 TraceCheckUtils]: 84: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,634 INFO L280 TraceCheckUtils]: 85: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,634 INFO L280 TraceCheckUtils]: 86: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,634 INFO L275 TraceCheckUtils]: 87: Hoare quadruple {6552#true} {6552#true} #53#return; {6552#true} is VALID [2020-07-17 22:20:56,634 INFO L280 TraceCheckUtils]: 88: Hoare triple {6552#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6552#true} is VALID [2020-07-17 22:20:56,634 INFO L263 TraceCheckUtils]: 89: Hoare triple {6552#true} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,635 INFO L280 TraceCheckUtils]: 90: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,635 INFO L280 TraceCheckUtils]: 91: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-17 22:20:56,635 INFO L280 TraceCheckUtils]: 92: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,635 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {6552#true} {6552#true} #55#return; {6552#true} is VALID [2020-07-17 22:20:56,635 INFO L280 TraceCheckUtils]: 94: Hoare triple {6552#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {6552#true} is VALID [2020-07-17 22:20:56,636 INFO L280 TraceCheckUtils]: 95: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,636 INFO L275 TraceCheckUtils]: 96: Hoare quadruple {6552#true} {6552#true} #57#return; {6552#true} is VALID [2020-07-17 22:20:56,636 INFO L280 TraceCheckUtils]: 97: Hoare triple {6552#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6552#true} is VALID [2020-07-17 22:20:56,636 INFO L263 TraceCheckUtils]: 98: Hoare triple {6552#true} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,636 INFO L280 TraceCheckUtils]: 99: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,636 INFO L280 TraceCheckUtils]: 100: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,637 INFO L280 TraceCheckUtils]: 101: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,637 INFO L280 TraceCheckUtils]: 102: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,637 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {6552#true} {6552#true} #59#return; {6552#true} is VALID [2020-07-17 22:20:56,637 INFO L280 TraceCheckUtils]: 104: Hoare triple {6552#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6552#true} is VALID [2020-07-17 22:20:56,637 INFO L280 TraceCheckUtils]: 105: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,638 INFO L275 TraceCheckUtils]: 106: Hoare quadruple {6552#true} {6919#(<= 5 |fibo2_#in~n|)} #55#return; {6919#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,639 INFO L280 TraceCheckUtils]: 107: Hoare triple {6919#(<= 5 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {6919#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,640 INFO L280 TraceCheckUtils]: 108: Hoare triple {6919#(<= 5 |fibo2_#in~n|)} assume true; {6919#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,641 INFO L275 TraceCheckUtils]: 109: Hoare quadruple {6919#(<= 5 |fibo2_#in~n|)} {6552#true} #57#return; {6812#(<= 6 fibo1_~n)} is VALID [2020-07-17 22:20:56,641 INFO L280 TraceCheckUtils]: 110: Hoare triple {6812#(<= 6 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6812#(<= 6 fibo1_~n)} is VALID [2020-07-17 22:20:56,641 INFO L263 TraceCheckUtils]: 111: Hoare triple {6812#(<= 6 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,642 INFO L280 TraceCheckUtils]: 112: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,642 INFO L280 TraceCheckUtils]: 113: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,642 INFO L280 TraceCheckUtils]: 114: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-17 22:20:56,642 INFO L263 TraceCheckUtils]: 115: Hoare triple {6552#true} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,643 INFO L280 TraceCheckUtils]: 116: Hoare triple {6552#true} ~n := #in~n; {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,643 INFO L280 TraceCheckUtils]: 117: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,644 INFO L280 TraceCheckUtils]: 118: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,644 INFO L263 TraceCheckUtils]: 119: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,645 INFO L280 TraceCheckUtils]: 120: Hoare triple {6552#true} ~n := #in~n; {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,645 INFO L280 TraceCheckUtils]: 121: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:56,646 INFO L280 TraceCheckUtils]: 122: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {7129#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:56,646 INFO L280 TraceCheckUtils]: 123: Hoare triple {7129#(<= |fibo2_#in~n| 1)} assume true; {7129#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:56,647 INFO L275 TraceCheckUtils]: 124: Hoare quadruple {7129#(<= |fibo2_#in~n| 1)} {6952#(= fibo1_~n |fibo1_#in~n|)} #57#return; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:56,648 INFO L280 TraceCheckUtils]: 125: Hoare triple {7123#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:56,648 INFO L263 TraceCheckUtils]: 126: Hoare triple {7123#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,648 INFO L280 TraceCheckUtils]: 127: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,648 INFO L280 TraceCheckUtils]: 128: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,649 INFO L280 TraceCheckUtils]: 129: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,649 INFO L280 TraceCheckUtils]: 130: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,650 INFO L275 TraceCheckUtils]: 131: Hoare quadruple {6552#true} {7123#(<= |fibo1_#in~n| 2)} #59#return; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:56,650 INFO L280 TraceCheckUtils]: 132: Hoare triple {7123#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:56,651 INFO L280 TraceCheckUtils]: 133: Hoare triple {7123#(<= |fibo1_#in~n| 2)} assume true; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:56,652 INFO L275 TraceCheckUtils]: 134: Hoare quadruple {7123#(<= |fibo1_#in~n| 2)} {6552#true} #53#return; {7099#(<= fibo2_~n 3)} is VALID [2020-07-17 22:20:56,652 INFO L280 TraceCheckUtils]: 135: Hoare triple {7099#(<= fibo2_~n 3)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7099#(<= fibo2_~n 3)} is VALID [2020-07-17 22:20:56,653 INFO L263 TraceCheckUtils]: 136: Hoare triple {7099#(<= fibo2_~n 3)} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,653 INFO L280 TraceCheckUtils]: 137: Hoare triple {6552#true} ~n := #in~n; {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,654 INFO L280 TraceCheckUtils]: 138: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-17 22:20:56,655 INFO L280 TraceCheckUtils]: 139: Hoare triple {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,655 INFO L263 TraceCheckUtils]: 140: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-17 22:20:56,655 INFO L280 TraceCheckUtils]: 141: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,655 INFO L280 TraceCheckUtils]: 142: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:56,655 INFO L280 TraceCheckUtils]: 143: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:56,656 INFO L280 TraceCheckUtils]: 144: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,657 INFO L275 TraceCheckUtils]: 145: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #57#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,657 INFO L280 TraceCheckUtils]: 146: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,657 INFO L263 TraceCheckUtils]: 147: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-17 22:20:56,658 INFO L280 TraceCheckUtils]: 148: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:56,658 INFO L280 TraceCheckUtils]: 149: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-17 22:20:56,658 INFO L280 TraceCheckUtils]: 150: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:56,659 INFO L275 TraceCheckUtils]: 151: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #59#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,659 INFO L280 TraceCheckUtils]: 152: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,660 INFO L280 TraceCheckUtils]: 153: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume true; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:56,661 INFO L275 TraceCheckUtils]: 154: Hoare quadruple {7029#(<= 2 |fibo1_#in~n|)} {7099#(<= fibo2_~n 3)} #55#return; {6553#false} is VALID [2020-07-17 22:20:56,661 INFO L280 TraceCheckUtils]: 155: Hoare triple {6553#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {6553#false} is VALID [2020-07-17 22:20:56,661 INFO L280 TraceCheckUtils]: 156: Hoare triple {6553#false} assume true; {6553#false} is VALID [2020-07-17 22:20:56,661 INFO L275 TraceCheckUtils]: 157: Hoare quadruple {6553#false} {6812#(<= 6 fibo1_~n)} #59#return; {6553#false} is VALID [2020-07-17 22:20:56,662 INFO L280 TraceCheckUtils]: 158: Hoare triple {6553#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6553#false} is VALID [2020-07-17 22:20:56,662 INFO L280 TraceCheckUtils]: 159: Hoare triple {6553#false} assume true; {6553#false} is VALID [2020-07-17 22:20:56,662 INFO L275 TraceCheckUtils]: 160: Hoare quadruple {6553#false} {6556#(<= 6 main_~x~0)} #51#return; {6553#false} is VALID [2020-07-17 22:20:56,662 INFO L280 TraceCheckUtils]: 161: Hoare triple {6553#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {6553#false} is VALID [2020-07-17 22:20:56,662 INFO L280 TraceCheckUtils]: 162: Hoare triple {6553#false} assume 8 == ~result~0; {6553#false} is VALID [2020-07-17 22:20:56,662 INFO L280 TraceCheckUtils]: 163: Hoare triple {6553#false} assume !false; {6553#false} is VALID [2020-07-17 22:20:56,673 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 179 proven. 162 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2020-07-17 22:20:56,674 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930072355] [2020-07-17 22:20:56,674 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158952844] [2020-07-17 22:20:56,674 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 22:20:56,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:56,742 INFO L264 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-17 22:20:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:56,777 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 22:20:57,050 INFO L263 TraceCheckUtils]: 0: Hoare triple {6552#true} call ULTIMATE.init(); {6552#true} is VALID [2020-07-17 22:20:57,050 INFO L280 TraceCheckUtils]: 1: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:57,050 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {6552#true} {6552#true} #47#return; {6552#true} is VALID [2020-07-17 22:20:57,051 INFO L263 TraceCheckUtils]: 3: Hoare triple {6552#true} call #t~ret5 := main(); {6552#true} is VALID [2020-07-17 22:20:57,051 INFO L280 TraceCheckUtils]: 4: Hoare triple {6552#true} ~x~0 := 6; {6556#(<= 6 main_~x~0)} is VALID [2020-07-17 22:20:57,051 INFO L263 TraceCheckUtils]: 5: Hoare triple {6556#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {6552#true} is VALID [2020-07-17 22:20:57,052 INFO L280 TraceCheckUtils]: 6: Hoare triple {6552#true} ~n := #in~n; {7160#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:57,052 INFO L280 TraceCheckUtils]: 7: Hoare triple {7160#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {7160#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:57,053 INFO L280 TraceCheckUtils]: 8: Hoare triple {7160#(<= |fibo1_#in~n| fibo1_~n)} assume !(1 == ~n); {7160#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:57,053 INFO L263 TraceCheckUtils]: 9: Hoare triple {7160#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-17 22:20:57,053 INFO L280 TraceCheckUtils]: 10: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:57,053 INFO L280 TraceCheckUtils]: 11: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:57,053 INFO L280 TraceCheckUtils]: 12: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-17 22:20:57,054 INFO L263 TraceCheckUtils]: 13: Hoare triple {6552#true} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-17 22:20:57,054 INFO L280 TraceCheckUtils]: 14: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:57,054 INFO L280 TraceCheckUtils]: 15: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:57,054 INFO L280 TraceCheckUtils]: 16: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-17 22:20:57,054 INFO L263 TraceCheckUtils]: 17: Hoare triple {6552#true} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-17 22:20:57,054 INFO L280 TraceCheckUtils]: 18: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:57,054 INFO L280 TraceCheckUtils]: 19: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:57,054 INFO L280 TraceCheckUtils]: 20: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-17 22:20:57,055 INFO L263 TraceCheckUtils]: 21: Hoare triple {6552#true} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-17 22:20:57,055 INFO L280 TraceCheckUtils]: 22: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:57,055 INFO L280 TraceCheckUtils]: 23: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:57,055 INFO L280 TraceCheckUtils]: 24: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-17 22:20:57,055 INFO L263 TraceCheckUtils]: 25: Hoare triple {6552#true} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-17 22:20:57,055 INFO L280 TraceCheckUtils]: 26: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:57,056 INFO L280 TraceCheckUtils]: 27: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:57,056 INFO L280 TraceCheckUtils]: 28: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:57,056 INFO L280 TraceCheckUtils]: 29: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:57,056 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {6552#true} {6552#true} #57#return; {6552#true} is VALID [2020-07-17 22:20:57,056 INFO L280 TraceCheckUtils]: 31: Hoare triple {6552#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6552#true} is VALID [2020-07-17 22:20:57,057 INFO L263 TraceCheckUtils]: 32: Hoare triple {6552#true} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-17 22:20:57,057 INFO L280 TraceCheckUtils]: 33: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:57,057 INFO L280 TraceCheckUtils]: 34: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-17 22:20:57,057 INFO L280 TraceCheckUtils]: 35: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:57,057 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {6552#true} {6552#true} #59#return; {6552#true} is VALID [2020-07-17 22:20:57,057 INFO L280 TraceCheckUtils]: 37: Hoare triple {6552#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6552#true} is VALID [2020-07-17 22:20:57,058 INFO L280 TraceCheckUtils]: 38: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:57,058 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {6552#true} {6552#true} #53#return; {6552#true} is VALID [2020-07-17 22:20:57,058 INFO L280 TraceCheckUtils]: 40: Hoare triple {6552#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6552#true} is VALID [2020-07-17 22:20:57,058 INFO L263 TraceCheckUtils]: 41: Hoare triple {6552#true} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-17 22:20:57,058 INFO L280 TraceCheckUtils]: 42: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:57,059 INFO L280 TraceCheckUtils]: 43: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:57,059 INFO L280 TraceCheckUtils]: 44: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:57,059 INFO L280 TraceCheckUtils]: 45: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:57,059 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {6552#true} {6552#true} #55#return; {6552#true} is VALID [2020-07-17 22:20:57,059 INFO L280 TraceCheckUtils]: 47: Hoare triple {6552#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {6552#true} is VALID [2020-07-17 22:20:57,059 INFO L280 TraceCheckUtils]: 48: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:57,060 INFO L275 TraceCheckUtils]: 49: Hoare quadruple {6552#true} {6552#true} #57#return; {6552#true} is VALID [2020-07-17 22:20:57,060 INFO L280 TraceCheckUtils]: 50: Hoare triple {6552#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6552#true} is VALID [2020-07-17 22:20:57,060 INFO L263 TraceCheckUtils]: 51: Hoare triple {6552#true} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-17 22:20:57,060 INFO L280 TraceCheckUtils]: 52: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:57,060 INFO L280 TraceCheckUtils]: 53: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:57,060 INFO L280 TraceCheckUtils]: 54: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-17 22:20:57,061 INFO L263 TraceCheckUtils]: 55: Hoare triple {6552#true} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-17 22:20:57,061 INFO L280 TraceCheckUtils]: 56: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:57,061 INFO L280 TraceCheckUtils]: 57: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:57,061 INFO L280 TraceCheckUtils]: 58: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:57,061 INFO L280 TraceCheckUtils]: 59: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:57,061 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {6552#true} {6552#true} #53#return; {6552#true} is VALID [2020-07-17 22:20:57,062 INFO L280 TraceCheckUtils]: 61: Hoare triple {6552#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6552#true} is VALID [2020-07-17 22:20:57,062 INFO L263 TraceCheckUtils]: 62: Hoare triple {6552#true} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-17 22:20:57,062 INFO L280 TraceCheckUtils]: 63: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:57,062 INFO L280 TraceCheckUtils]: 64: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-17 22:20:57,062 INFO L280 TraceCheckUtils]: 65: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:57,063 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {6552#true} {6552#true} #55#return; {6552#true} is VALID [2020-07-17 22:20:57,063 INFO L280 TraceCheckUtils]: 67: Hoare triple {6552#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {6552#true} is VALID [2020-07-17 22:20:57,063 INFO L280 TraceCheckUtils]: 68: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:57,063 INFO L275 TraceCheckUtils]: 69: Hoare quadruple {6552#true} {6552#true} #59#return; {6552#true} is VALID [2020-07-17 22:20:57,063 INFO L280 TraceCheckUtils]: 70: Hoare triple {6552#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6552#true} is VALID [2020-07-17 22:20:57,063 INFO L280 TraceCheckUtils]: 71: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:57,064 INFO L275 TraceCheckUtils]: 72: Hoare quadruple {6552#true} {6552#true} #53#return; {6552#true} is VALID [2020-07-17 22:20:57,064 INFO L280 TraceCheckUtils]: 73: Hoare triple {6552#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6552#true} is VALID [2020-07-17 22:20:57,064 INFO L263 TraceCheckUtils]: 74: Hoare triple {6552#true} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-17 22:20:57,064 INFO L280 TraceCheckUtils]: 75: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:57,064 INFO L280 TraceCheckUtils]: 76: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:57,064 INFO L280 TraceCheckUtils]: 77: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-17 22:20:57,065 INFO L263 TraceCheckUtils]: 78: Hoare triple {6552#true} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-17 22:20:57,065 INFO L280 TraceCheckUtils]: 79: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:57,065 INFO L280 TraceCheckUtils]: 80: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:57,066 INFO L280 TraceCheckUtils]: 81: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-17 22:20:57,066 INFO L263 TraceCheckUtils]: 82: Hoare triple {6552#true} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-17 22:20:57,066 INFO L280 TraceCheckUtils]: 83: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:57,066 INFO L280 TraceCheckUtils]: 84: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:57,066 INFO L280 TraceCheckUtils]: 85: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:57,067 INFO L280 TraceCheckUtils]: 86: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:57,067 INFO L275 TraceCheckUtils]: 87: Hoare quadruple {6552#true} {6552#true} #53#return; {6552#true} is VALID [2020-07-17 22:20:57,067 INFO L280 TraceCheckUtils]: 88: Hoare triple {6552#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6552#true} is VALID [2020-07-17 22:20:57,067 INFO L263 TraceCheckUtils]: 89: Hoare triple {6552#true} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-17 22:20:57,067 INFO L280 TraceCheckUtils]: 90: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:57,068 INFO L280 TraceCheckUtils]: 91: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-17 22:20:57,068 INFO L280 TraceCheckUtils]: 92: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:57,068 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {6552#true} {6552#true} #55#return; {6552#true} is VALID [2020-07-17 22:20:57,068 INFO L280 TraceCheckUtils]: 94: Hoare triple {6552#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {6552#true} is VALID [2020-07-17 22:20:57,068 INFO L280 TraceCheckUtils]: 95: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:57,069 INFO L275 TraceCheckUtils]: 96: Hoare quadruple {6552#true} {6552#true} #57#return; {6552#true} is VALID [2020-07-17 22:20:57,069 INFO L280 TraceCheckUtils]: 97: Hoare triple {6552#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6552#true} is VALID [2020-07-17 22:20:57,069 INFO L263 TraceCheckUtils]: 98: Hoare triple {6552#true} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-17 22:20:57,069 INFO L280 TraceCheckUtils]: 99: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:57,069 INFO L280 TraceCheckUtils]: 100: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:57,069 INFO L280 TraceCheckUtils]: 101: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:57,070 INFO L280 TraceCheckUtils]: 102: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:57,070 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {6552#true} {6552#true} #59#return; {6552#true} is VALID [2020-07-17 22:20:57,070 INFO L280 TraceCheckUtils]: 104: Hoare triple {6552#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6552#true} is VALID [2020-07-17 22:20:57,070 INFO L280 TraceCheckUtils]: 105: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:57,070 INFO L275 TraceCheckUtils]: 106: Hoare quadruple {6552#true} {6552#true} #55#return; {6552#true} is VALID [2020-07-17 22:20:57,071 INFO L280 TraceCheckUtils]: 107: Hoare triple {6552#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {6552#true} is VALID [2020-07-17 22:20:57,071 INFO L280 TraceCheckUtils]: 108: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:57,073 INFO L275 TraceCheckUtils]: 109: Hoare quadruple {6552#true} {7160#(<= |fibo1_#in~n| fibo1_~n)} #57#return; {7160#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:57,074 INFO L280 TraceCheckUtils]: 110: Hoare triple {7160#(<= |fibo1_#in~n| fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7160#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:57,074 INFO L263 TraceCheckUtils]: 111: Hoare triple {7160#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-17 22:20:57,075 INFO L280 TraceCheckUtils]: 112: Hoare triple {6552#true} ~n := #in~n; {7479#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:57,075 INFO L280 TraceCheckUtils]: 113: Hoare triple {7479#(<= |fibo2_#in~n| fibo2_~n)} assume !(~n < 1); {7479#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:57,076 INFO L280 TraceCheckUtils]: 114: Hoare triple {7479#(<= |fibo2_#in~n| fibo2_~n)} assume !(1 == ~n); {7479#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:57,076 INFO L263 TraceCheckUtils]: 115: Hoare triple {7479#(<= |fibo2_#in~n| fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-17 22:20:57,076 INFO L280 TraceCheckUtils]: 116: Hoare triple {6552#true} ~n := #in~n; {7160#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:57,077 INFO L280 TraceCheckUtils]: 117: Hoare triple {7160#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {7160#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:57,077 INFO L280 TraceCheckUtils]: 118: Hoare triple {7160#(<= |fibo1_#in~n| fibo1_~n)} assume !(1 == ~n); {7160#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:57,078 INFO L263 TraceCheckUtils]: 119: Hoare triple {7160#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-17 22:20:57,078 INFO L280 TraceCheckUtils]: 120: Hoare triple {6552#true} ~n := #in~n; {7479#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:57,079 INFO L280 TraceCheckUtils]: 121: Hoare triple {7479#(<= |fibo2_#in~n| fibo2_~n)} assume !(~n < 1); {7479#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:57,079 INFO L280 TraceCheckUtils]: 122: Hoare triple {7479#(<= |fibo2_#in~n| fibo2_~n)} assume 1 == ~n;#res := 1; {7129#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:57,080 INFO L280 TraceCheckUtils]: 123: Hoare triple {7129#(<= |fibo2_#in~n| 1)} assume true; {7129#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:57,081 INFO L275 TraceCheckUtils]: 124: Hoare quadruple {7129#(<= |fibo2_#in~n| 1)} {7160#(<= |fibo1_#in~n| fibo1_~n)} #57#return; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:57,082 INFO L280 TraceCheckUtils]: 125: Hoare triple {7123#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:57,082 INFO L263 TraceCheckUtils]: 126: Hoare triple {7123#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-17 22:20:57,082 INFO L280 TraceCheckUtils]: 127: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:57,082 INFO L280 TraceCheckUtils]: 128: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:57,082 INFO L280 TraceCheckUtils]: 129: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:57,082 INFO L280 TraceCheckUtils]: 130: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:57,083 INFO L275 TraceCheckUtils]: 131: Hoare quadruple {6552#true} {7123#(<= |fibo1_#in~n| 2)} #59#return; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:57,084 INFO L280 TraceCheckUtils]: 132: Hoare triple {7123#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:57,084 INFO L280 TraceCheckUtils]: 133: Hoare triple {7123#(<= |fibo1_#in~n| 2)} assume true; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:57,085 INFO L275 TraceCheckUtils]: 134: Hoare quadruple {7123#(<= |fibo1_#in~n| 2)} {7479#(<= |fibo2_#in~n| fibo2_~n)} #53#return; {7546#(<= |fibo2_#in~n| 3)} is VALID [2020-07-17 22:20:57,086 INFO L280 TraceCheckUtils]: 135: Hoare triple {7546#(<= |fibo2_#in~n| 3)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7546#(<= |fibo2_#in~n| 3)} is VALID [2020-07-17 22:20:57,086 INFO L263 TraceCheckUtils]: 136: Hoare triple {7546#(<= |fibo2_#in~n| 3)} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-17 22:20:57,086 INFO L280 TraceCheckUtils]: 137: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:57,086 INFO L280 TraceCheckUtils]: 138: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:57,087 INFO L280 TraceCheckUtils]: 139: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-17 22:20:57,087 INFO L263 TraceCheckUtils]: 140: Hoare triple {6552#true} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-17 22:20:57,087 INFO L280 TraceCheckUtils]: 141: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:57,087 INFO L280 TraceCheckUtils]: 142: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-17 22:20:57,087 INFO L280 TraceCheckUtils]: 143: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-17 22:20:57,087 INFO L280 TraceCheckUtils]: 144: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:57,088 INFO L275 TraceCheckUtils]: 145: Hoare quadruple {6552#true} {6552#true} #57#return; {6552#true} is VALID [2020-07-17 22:20:57,088 INFO L280 TraceCheckUtils]: 146: Hoare triple {6552#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6552#true} is VALID [2020-07-17 22:20:57,088 INFO L263 TraceCheckUtils]: 147: Hoare triple {6552#true} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-17 22:20:57,088 INFO L280 TraceCheckUtils]: 148: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-17 22:20:57,088 INFO L280 TraceCheckUtils]: 149: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-17 22:20:57,088 INFO L280 TraceCheckUtils]: 150: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:57,089 INFO L275 TraceCheckUtils]: 151: Hoare quadruple {6552#true} {6552#true} #59#return; {6552#true} is VALID [2020-07-17 22:20:57,089 INFO L280 TraceCheckUtils]: 152: Hoare triple {6552#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6552#true} is VALID [2020-07-17 22:20:57,089 INFO L280 TraceCheckUtils]: 153: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-17 22:20:57,090 INFO L275 TraceCheckUtils]: 154: Hoare quadruple {6552#true} {7546#(<= |fibo2_#in~n| 3)} #55#return; {7546#(<= |fibo2_#in~n| 3)} is VALID [2020-07-17 22:20:57,090 INFO L280 TraceCheckUtils]: 155: Hoare triple {7546#(<= |fibo2_#in~n| 3)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {7546#(<= |fibo2_#in~n| 3)} is VALID [2020-07-17 22:20:57,091 INFO L280 TraceCheckUtils]: 156: Hoare triple {7546#(<= |fibo2_#in~n| 3)} assume true; {7546#(<= |fibo2_#in~n| 3)} is VALID [2020-07-17 22:20:57,093 INFO L275 TraceCheckUtils]: 157: Hoare quadruple {7546#(<= |fibo2_#in~n| 3)} {7160#(<= |fibo1_#in~n| fibo1_~n)} #59#return; {7616#(<= |fibo1_#in~n| 5)} is VALID [2020-07-17 22:20:57,094 INFO L280 TraceCheckUtils]: 158: Hoare triple {7616#(<= |fibo1_#in~n| 5)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {7616#(<= |fibo1_#in~n| 5)} is VALID [2020-07-17 22:20:57,095 INFO L280 TraceCheckUtils]: 159: Hoare triple {7616#(<= |fibo1_#in~n| 5)} assume true; {7616#(<= |fibo1_#in~n| 5)} is VALID [2020-07-17 22:20:57,096 INFO L275 TraceCheckUtils]: 160: Hoare quadruple {7616#(<= |fibo1_#in~n| 5)} {6556#(<= 6 main_~x~0)} #51#return; {6553#false} is VALID [2020-07-17 22:20:57,097 INFO L280 TraceCheckUtils]: 161: Hoare triple {6553#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {6553#false} is VALID [2020-07-17 22:20:57,097 INFO L280 TraceCheckUtils]: 162: Hoare triple {6553#false} assume 8 == ~result~0; {6553#false} is VALID [2020-07-17 22:20:57,097 INFO L280 TraceCheckUtils]: 163: Hoare triple {6553#false} assume !false; {6553#false} is VALID [2020-07-17 22:20:57,113 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 146 proven. 53 refuted. 0 times theorem prover too weak. 466 trivial. 0 not checked. [2020-07-17 22:20:57,113 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 22:20:57,114 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9] total 18 [2020-07-17 22:20:57,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012520102] [2020-07-17 22:20:57,115 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 164 [2020-07-17 22:20:57,161 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:20:57,162 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 18 states. [2020-07-17 22:20:57,276 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 112 edges. 112 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:20:57,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-17 22:20:57,277 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:20:57,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-17 22:20:57,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2020-07-17 22:20:57,277 INFO L87 Difference]: Start difference. First operand 90 states and 121 transitions. Second operand 18 states. [2020-07-17 22:20:59,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:59,844 INFO L93 Difference]: Finished difference Result 195 states and 295 transitions. [2020-07-17 22:20:59,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-07-17 22:20:59,844 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 164 [2020-07-17 22:20:59,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:20:59,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-07-17 22:20:59,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 162 transitions. [2020-07-17 22:20:59,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-07-17 22:20:59,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 162 transitions. [2020-07-17 22:20:59,852 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 25 states and 162 transitions. [2020-07-17 22:21:00,083 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 162 edges. 162 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:21:00,089 INFO L225 Difference]: With dead ends: 195 [2020-07-17 22:21:00,089 INFO L226 Difference]: Without dead ends: 113 [2020-07-17 22:21:00,092 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=145, Invalid=785, Unknown=0, NotChecked=0, Total=930 [2020-07-17 22:21:00,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-07-17 22:21:00,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 94. [2020-07-17 22:21:00,181 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:21:00,182 INFO L82 GeneralOperation]: Start isEquivalent. First operand 113 states. Second operand 94 states. [2020-07-17 22:21:00,182 INFO L74 IsIncluded]: Start isIncluded. First operand 113 states. Second operand 94 states. [2020-07-17 22:21:00,182 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 94 states. [2020-07-17 22:21:00,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:21:00,188 INFO L93 Difference]: Finished difference Result 113 states and 153 transitions. [2020-07-17 22:21:00,188 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 153 transitions. [2020-07-17 22:21:00,189 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:21:00,189 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:21:00,189 INFO L74 IsIncluded]: Start isIncluded. First operand 94 states. Second operand 113 states. [2020-07-17 22:21:00,189 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 113 states. [2020-07-17 22:21:00,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:21:00,194 INFO L93 Difference]: Finished difference Result 113 states and 153 transitions. [2020-07-17 22:21:00,195 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 153 transitions. [2020-07-17 22:21:00,195 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:21:00,196 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:21:00,196 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:21:00,196 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:21:00,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-07-17 22:21:00,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 122 transitions. [2020-07-17 22:21:00,200 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 122 transitions. Word has length 164 [2020-07-17 22:21:00,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:21:00,200 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 122 transitions. [2020-07-17 22:21:00,200 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-17 22:21:00,201 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2020-07-17 22:21:00,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-07-17 22:21:00,204 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:21:00,204 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:21:00,418 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-17 22:21:00,419 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:21:00,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:21:00,419 INFO L82 PathProgramCache]: Analyzing trace with hash 307857833, now seen corresponding path program 2 times [2020-07-17 22:21:00,419 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:21:00,420 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379480477] [2020-07-17 22:21:00,420 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:21:00,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 22:21:00,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 22:21:00,544 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-17 22:21:00,544 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 22:21:00,545 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-17 22:21:00,634 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-17 22:21:00,634 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 22:21:00,634 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 22:21:00,634 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-17 22:21:00,634 WARN L170 areAnnotationChecker]: fibo2ENTRY has no Hoare annotation [2020-07-17 22:21:00,635 WARN L170 areAnnotationChecker]: fibo1ENTRY has no Hoare annotation [2020-07-17 22:21:00,635 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-17 22:21:00,635 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 22:21:00,635 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 22:21:00,635 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-17 22:21:00,635 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-17 22:21:00,635 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2020-07-17 22:21:00,635 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2020-07-17 22:21:00,635 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-17 22:21:00,636 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-17 22:21:00,636 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 22:21:00,636 WARN L170 areAnnotationChecker]: L37-1 has no Hoare annotation [2020-07-17 22:21:00,636 WARN L170 areAnnotationChecker]: fibo2FINAL has no Hoare annotation [2020-07-17 22:21:00,636 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2020-07-17 22:21:00,636 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2020-07-17 22:21:00,636 WARN L170 areAnnotationChecker]: fibo1FINAL has no Hoare annotation [2020-07-17 22:21:00,636 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2020-07-17 22:21:00,636 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2020-07-17 22:21:00,637 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-17 22:21:00,637 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-17 22:21:00,637 WARN L170 areAnnotationChecker]: fibo2EXIT has no Hoare annotation [2020-07-17 22:21:00,637 WARN L170 areAnnotationChecker]: fibo2EXIT has no Hoare annotation [2020-07-17 22:21:00,637 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-17 22:21:00,637 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-17 22:21:00,637 WARN L170 areAnnotationChecker]: fibo1EXIT has no Hoare annotation [2020-07-17 22:21:00,638 WARN L170 areAnnotationChecker]: fibo1EXIT has no Hoare annotation [2020-07-17 22:21:00,638 WARN L170 areAnnotationChecker]: fibo1EXIT has no Hoare annotation [2020-07-17 22:21:00,638 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-17 22:21:00,638 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-17 22:21:00,638 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-17 22:21:00,638 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-17 22:21:00,638 WARN L170 areAnnotationChecker]: L38-2 has no Hoare annotation [2020-07-17 22:21:00,638 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-17 22:21:00,639 WARN L170 areAnnotationChecker]: L13-3 has no Hoare annotation [2020-07-17 22:21:00,639 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2020-07-17 22:21:00,639 WARN L170 areAnnotationChecker]: L23-3 has no Hoare annotation [2020-07-17 22:21:00,639 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-17 22:21:00,639 WARN L170 areAnnotationChecker]: L13-2 has no Hoare annotation [2020-07-17 22:21:00,639 WARN L170 areAnnotationChecker]: L13-2 has no Hoare annotation [2020-07-17 22:21:00,639 WARN L170 areAnnotationChecker]: L23-2 has no Hoare annotation [2020-07-17 22:21:00,639 WARN L170 areAnnotationChecker]: L23-2 has no Hoare annotation [2020-07-17 22:21:00,639 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-17 22:21:00,640 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-17 22:21:00,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 10:21:00 BoogieIcfgContainer [2020-07-17 22:21:00,642 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 22:21:00,645 INFO L168 Benchmark]: Toolchain (without parser) took 25506.53 ms. Allocated memory was 139.5 MB in the beginning and 459.8 MB in the end (delta: 320.3 MB). Free memory was 99.4 MB in the beginning and 250.4 MB in the end (delta: -151.0 MB). Peak memory consumption was 169.3 MB. Max. memory is 7.1 GB. [2020-07-17 22:21:00,645 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 117.6 MB in the beginning and 117.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 22:21:00,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.77 ms. Allocated memory is still 139.5 MB. Free memory was 98.9 MB in the beginning and 89.1 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2020-07-17 22:21:00,646 INFO L168 Benchmark]: Boogie Preprocessor took 32.36 ms. Allocated memory is still 139.5 MB. Free memory was 89.1 MB in the beginning and 87.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-07-17 22:21:00,647 INFO L168 Benchmark]: RCFGBuilder took 468.31 ms. Allocated memory was 139.5 MB in the beginning and 200.3 MB in the end (delta: 60.8 MB). Free memory was 87.5 MB in the beginning and 160.6 MB in the end (delta: -73.1 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2020-07-17 22:21:00,648 INFO L168 Benchmark]: TraceAbstraction took 24723.00 ms. Allocated memory was 200.3 MB in the beginning and 459.8 MB in the end (delta: 259.5 MB). Free memory was 159.9 MB in the beginning and 250.4 MB in the end (delta: -90.5 MB). Peak memory consumption was 169.0 MB. Max. memory is 7.1 GB. [2020-07-17 22:21:00,650 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 117.6 MB in the beginning and 117.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 275.77 ms. Allocated memory is still 139.5 MB. Free memory was 98.9 MB in the beginning and 89.1 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 32.36 ms. Allocated memory is still 139.5 MB. Free memory was 89.1 MB in the beginning and 87.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 468.31 ms. Allocated memory was 139.5 MB in the beginning and 200.3 MB in the end (delta: 60.8 MB). Free memory was 87.5 MB in the beginning and 160.6 MB in the end (delta: -73.1 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24723.00 ms. Allocated memory was 200.3 MB in the beginning and 459.8 MB in the end (delta: 259.5 MB). Free memory was 159.9 MB in the beginning and 250.4 MB in the end (delta: -90.5 MB). Peak memory consumption was 169.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 39]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L36] int x = 6; VAL [x=6] [L37] CALL, EXPR fibo1(x) VAL [\old(n)=6] [L8] COND FALSE !(n < 1) VAL [\old(n)=6, n=6] [L10] COND FALSE !(n == 1) VAL [\old(n)=6, n=6] [L13] CALL, EXPR fibo2(n-1) VAL [\old(n)=5] [L18] COND FALSE !(n < 1) VAL [\old(n)=5, n=5] [L20] COND FALSE !(n == 1) VAL [\old(n)=5, n=5] [L23] CALL, EXPR fibo1(n-1) VAL [\old(n)=4] [L8] COND FALSE !(n < 1) VAL [\old(n)=4, n=4] [L10] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L13] CALL, EXPR fibo2(n-1) VAL [\old(n)=3] [L18] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L20] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L23] CALL, EXPR fibo1(n-1) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo2(n-1) VAL [\old(n)=1] [L18] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L20] COND TRUE n == 1 [L21] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo2(n-1) VAL [\old(n)=2, fibo2(n-1)=1, n=2] [L13] CALL, EXPR fibo2(n-2) VAL [\old(n)=0] [L18] COND TRUE n < 1 [L19] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo2(n-2) VAL [\old(n)=2, fibo2(n-1)=1, fibo2(n-2)=0, n=2] [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-1) VAL [\old(n)=3, fibo1(n-1)=1, n=3] [L23] CALL, EXPR fibo1(n-2) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L23] RET, EXPR fibo1(n-2) VAL [\old(n)=3, fibo1(n-1)=1, fibo1(n-2)=1, n=3] [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) VAL [\old(n)=4, fibo2(n-1)=2, n=4] [L13] CALL, EXPR fibo2(n-2) VAL [\old(n)=2] [L18] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L20] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L23] CALL, EXPR fibo1(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L23] RET, EXPR fibo1(n-1) VAL [\old(n)=2, fibo1(n-1)=1, n=2] [L23] CALL, EXPR fibo1(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L23] RET, EXPR fibo1(n-2) VAL [\old(n)=2, fibo1(n-1)=1, fibo1(n-2)=0, n=2] [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-2) VAL [\old(n)=4, fibo2(n-1)=2, fibo2(n-2)=1, n=4] [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-1) VAL [\old(n)=5, fibo1(n-1)=3, n=5] [L23] CALL, EXPR fibo1(n-2) VAL [\old(n)=3] [L8] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L10] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L13] CALL, EXPR fibo2(n-1) VAL [\old(n)=2] [L18] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L20] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L23] CALL, EXPR fibo1(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L23] RET, EXPR fibo1(n-1) VAL [\old(n)=2, fibo1(n-1)=1, n=2] [L23] CALL, EXPR fibo1(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L23] RET, EXPR fibo1(n-2) VAL [\old(n)=2, fibo1(n-1)=1, fibo1(n-2)=0, n=2] [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) VAL [\old(n)=3, fibo2(n-1)=1, n=3] [L13] CALL, EXPR fibo2(n-2) VAL [\old(n)=1] [L18] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L20] COND TRUE n == 1 [L21] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo2(n-2) VAL [\old(n)=3, fibo2(n-1)=1, fibo2(n-2)=1, n=3] [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-2) VAL [\old(n)=5, fibo1(n-1)=3, fibo1(n-2)=2, n=5] [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) VAL [\old(n)=6, fibo2(n-1)=5, n=6] [L13] CALL, EXPR fibo2(n-2) VAL [\old(n)=4] [L18] COND FALSE !(n < 1) VAL [\old(n)=4, n=4] [L20] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L23] CALL, EXPR fibo1(n-1) VAL [\old(n)=3] [L8] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L10] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L13] CALL, EXPR fibo2(n-1) VAL [\old(n)=2] [L18] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L20] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L23] CALL, EXPR fibo1(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L23] RET, EXPR fibo1(n-1) VAL [\old(n)=2, fibo1(n-1)=1, n=2] [L23] CALL, EXPR fibo1(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L23] RET, EXPR fibo1(n-2) VAL [\old(n)=2, fibo1(n-1)=1, fibo1(n-2)=0, n=2] [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) VAL [\old(n)=3, fibo2(n-1)=1, n=3] [L13] CALL, EXPR fibo2(n-2) VAL [\old(n)=1] [L18] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L20] COND TRUE n == 1 [L21] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo2(n-2) VAL [\old(n)=3, fibo2(n-1)=1, fibo2(n-2)=1, n=3] [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-1) VAL [\old(n)=4, fibo1(n-1)=2, n=4] [L23] CALL, EXPR fibo1(n-2) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo2(n-1) VAL [\old(n)=1] [L18] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L20] COND TRUE n == 1 [L21] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo2(n-1) VAL [\old(n)=2, fibo2(n-1)=1, n=2] [L13] CALL, EXPR fibo2(n-2) VAL [\old(n)=0] [L18] COND TRUE n < 1 [L19] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo2(n-2) VAL [\old(n)=2, fibo2(n-1)=1, fibo2(n-2)=0, n=2] [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-2) VAL [\old(n)=4, fibo1(n-1)=2, fibo1(n-2)=1, n=4] [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-2) VAL [\old(n)=6, fibo2(n-1)=5, fibo2(n-2)=3, n=6] [L13] return fibo2(n-1) + fibo2(n-2); [L37] RET, EXPR fibo1(x) VAL [fibo1(x)=8, x=6] [L37] int result = fibo1(x); [L38] COND TRUE result == 8 VAL [result=8, x=6] [L39] __VERIFIER_error() VAL [result=8, x=6] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 24.5s, OverallIterations: 11, TraceHistogramMax: 14, AutomataDifference: 14.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 300 SDtfs, 426 SDslu, 1871 SDs, 0 SdLazy, 2637 SolverSat, 417 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 986 GetRequests, 817 SyntacticMatches, 0 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 433 ImplicationChecksByTransitivity, 2.3s 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: 0.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 114 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 1452 NumberOfCodeBlocks, 1452 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1257 ConstructedInterpolants, 0 QuantifiedInterpolants, 216995 SizeOfPredicates, 35 NumberOfNonLiveVariables, 1402 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 18 InterpolantComputations, 2 PerfectInterpolantSequences, 2651/3446 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...