/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_5-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 22:20:32,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 22:20:32,190 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 22:20:32,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 22:20:32,212 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 22:20:32,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 22:20:32,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 22:20:32,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 22:20:32,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 22:20:32,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 22:20:32,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 22:20:32,239 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 22:20:32,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 22:20:32,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 22:20:32,244 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 22:20:32,245 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 22:20:32,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 22:20:32,247 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 22:20:32,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 22:20:32,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 22:20:32,259 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 22:20:32,263 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 22:20:32,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 22:20:32,265 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 22:20:32,267 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 22:20:32,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 22:20:32,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 22:20:32,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 22:20:32,284 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 22:20:32,320 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 22:20:32,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 22:20:32,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 22:20:32,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 22:20:32,326 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 22:20:32,326 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 22:20:32,326 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 22:20:32,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 22:20:32,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 22:20:32,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 22:20:32,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 22:20:32,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 22:20:32,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 22:20:32,327 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 22:20:32,327 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 22:20:32,328 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 22:20:32,328 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 22:20:32,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 22:20:32,329 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 22:20:32,329 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 22:20:32,329 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 22:20:32,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:20:32,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 22:20:32,330 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 22:20:32,330 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 22:20:32,330 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 22:20:32,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 22:20:32,331 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 22:20:32,331 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 22:20:32,331 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 22:20:32,636 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 22:20:32,650 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 22:20:32,653 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 22:20:32,655 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 22:20:32,655 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 22:20:32,656 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_5-2.c [2020-07-17 22:20:32,723 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15f151cba/29d65a508831480db3f24dfdf818bc90/FLAG773b47a6f [2020-07-17 22:20:33,169 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 22:20:33,170 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/fibo_2calls_5-2.c [2020-07-17 22:20:33,178 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15f151cba/29d65a508831480db3f24dfdf818bc90/FLAG773b47a6f [2020-07-17 22:20:33,582 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15f151cba/29d65a508831480db3f24dfdf818bc90 [2020-07-17 22:20:33,592 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 22:20:33,596 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 22:20:33,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 22:20:33,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 22:20:33,601 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 22:20:33,602 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:20:33" (1/1) ... [2020-07-17 22:20:33,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41ff13ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:20:33, skipping insertion in model container [2020-07-17 22:20:33,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:20:33" (1/1) ... [2020-07-17 22:20:33,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 22:20:33,634 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 22:20:33,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:20:33,857 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 22:20:33,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:20:33,891 INFO L208 MainTranslator]: Completed translation [2020-07-17 22:20:33,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:20:33 WrapperNode [2020-07-17 22:20:33,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 22:20:33,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 22:20:33,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 22:20:33,892 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 22:20:33,906 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:20:33" (1/1) ... [2020-07-17 22:20:33,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:20:33" (1/1) ... [2020-07-17 22:20:33,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:20:33" (1/1) ... [2020-07-17 22:20:33,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:20:33" (1/1) ... [2020-07-17 22:20:34,009 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:20:33" (1/1) ... [2020-07-17 22:20:34,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:20:33" (1/1) ... [2020-07-17 22:20:34,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:20:33" (1/1) ... [2020-07-17 22:20:34,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 22:20:34,026 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 22:20:34,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 22:20:34,026 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 22:20:34,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:20:33" (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 22:20:34,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 22:20:34,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 22:20:34,084 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-07-17 22:20:34,084 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-07-17 22:20:34,084 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 22:20:34,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 22:20:34,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 22:20:34,085 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-07-17 22:20:34,085 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-07-17 22:20:34,085 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 22:20:34,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 22:20:34,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 22:20:34,431 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 22:20:34,431 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-17 22:20:34,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:20:34 BoogieIcfgContainer [2020-07-17 22:20:34,436 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 22:20:34,437 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 22:20:34,437 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 22:20:34,440 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 22:20:34,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 10:20:33" (1/3) ... [2020-07-17 22:20:34,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c0c0d01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:20:34, skipping insertion in model container [2020-07-17 22:20:34,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:20:33" (2/3) ... [2020-07-17 22:20:34,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c0c0d01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:20:34, skipping insertion in model container [2020-07-17 22:20:34,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:20:34" (3/3) ... [2020-07-17 22:20:34,447 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_5-2.c [2020-07-17 22:20:34,461 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 22:20:34,470 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 22:20:34,482 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 22:20:34,504 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 22:20:34,504 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 22:20:34,505 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 22:20:34,505 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 22:20:34,505 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 22:20:34,505 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 22:20:34,505 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 22:20:34,505 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 22:20:34,524 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-07-17 22:20:34,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-17 22:20:34,529 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:20:34,530 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:20:34,531 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:20:34,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:20:34,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-07-17 22:20:34,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:20:34,548 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125142320] [2020-07-17 22:20:34,549 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:20:34,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:34,731 INFO L280 TraceCheckUtils]: 0: Hoare triple {36#true} assume true; {36#true} is VALID [2020-07-17 22:20:34,731 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {36#true} {36#true} #47#return; {36#true} is VALID [2020-07-17 22:20:34,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:34,795 INFO L280 TraceCheckUtils]: 0: Hoare triple {36#true} ~n := #in~n; {45#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:34,797 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 22:20:34,798 INFO L280 TraceCheckUtils]: 2: Hoare triple {46#(<= |fibo1_#in~n| 0)} assume true; {46#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:34,800 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {46#(<= |fibo1_#in~n| 0)} {40#(<= 5 main_~x~0)} #51#return; {37#false} is VALID [2020-07-17 22:20:34,801 INFO L263 TraceCheckUtils]: 0: Hoare triple {36#true} call ULTIMATE.init(); {36#true} is VALID [2020-07-17 22:20:34,801 INFO L280 TraceCheckUtils]: 1: Hoare triple {36#true} assume true; {36#true} is VALID [2020-07-17 22:20:34,802 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {36#true} {36#true} #47#return; {36#true} is VALID [2020-07-17 22:20:34,802 INFO L263 TraceCheckUtils]: 3: Hoare triple {36#true} call #t~ret5 := main(); {36#true} is VALID [2020-07-17 22:20:34,803 INFO L280 TraceCheckUtils]: 4: Hoare triple {36#true} ~x~0 := 5; {40#(<= 5 main_~x~0)} is VALID [2020-07-17 22:20:34,804 INFO L263 TraceCheckUtils]: 5: Hoare triple {40#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {36#true} is VALID [2020-07-17 22:20:34,805 INFO L280 TraceCheckUtils]: 6: Hoare triple {36#true} ~n := #in~n; {45#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:34,806 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 22:20:34,807 INFO L280 TraceCheckUtils]: 8: Hoare triple {46#(<= |fibo1_#in~n| 0)} assume true; {46#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:34,809 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {46#(<= |fibo1_#in~n| 0)} {40#(<= 5 main_~x~0)} #51#return; {37#false} is VALID [2020-07-17 22:20:34,809 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 22:20:34,810 INFO L280 TraceCheckUtils]: 11: Hoare triple {37#false} assume 5 == ~result~0; {37#false} is VALID [2020-07-17 22:20:34,810 INFO L280 TraceCheckUtils]: 12: Hoare triple {37#false} assume !false; {37#false} is VALID [2020-07-17 22:20:34,812 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 22:20:34,813 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125142320] [2020-07-17 22:20:34,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:20:34,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 22:20:34,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502816346] [2020-07-17 22:20:34,821 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-07-17 22:20:34,823 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:20:34,826 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-17 22:20:34,871 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 22:20:34,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 22:20:34,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:20:34,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 22:20:34,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-17 22:20:34,884 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-07-17 22:20:35,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:35,234 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-07-17 22:20:35,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 22:20:35,235 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-07-17 22:20:35,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:20:35,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-17 22:20:35,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 53 transitions. [2020-07-17 22:20:35,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-17 22:20:35,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 53 transitions. [2020-07-17 22:20:35,254 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 53 transitions. [2020-07-17 22:20:35,342 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 22:20:35,356 INFO L225 Difference]: With dead ends: 44 [2020-07-17 22:20:35,357 INFO L226 Difference]: Without dead ends: 30 [2020-07-17 22:20:35,360 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 22:20:35,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-07-17 22:20:35,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-07-17 22:20:35,439 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:20:35,439 INFO L82 GeneralOperation]: Start isEquivalent. First operand 30 states. Second operand 30 states. [2020-07-17 22:20:35,440 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand 30 states. [2020-07-17 22:20:35,440 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 30 states. [2020-07-17 22:20:35,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:35,447 INFO L93 Difference]: Finished difference Result 30 states and 37 transitions. [2020-07-17 22:20:35,447 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-07-17 22:20:35,448 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:35,449 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:35,449 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand 30 states. [2020-07-17 22:20:35,449 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 30 states. [2020-07-17 22:20:35,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:35,456 INFO L93 Difference]: Finished difference Result 30 states and 37 transitions. [2020-07-17 22:20:35,456 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-07-17 22:20:35,457 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:35,457 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:35,458 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:20:35,458 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:20:35,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-07-17 22:20:35,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-07-17 22:20:35,464 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-07-17 22:20:35,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:20:35,465 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-07-17 22:20:35,465 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 22:20:35,465 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-07-17 22:20:35,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-17 22:20:35,466 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:20:35,466 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:20:35,466 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 22:20:35,467 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:20:35,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:20:35,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-07-17 22:20:35,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:20:35,468 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417602424] [2020-07-17 22:20:35,468 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:20:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:35,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:35,505 INFO L280 TraceCheckUtils]: 0: Hoare triple {207#true} assume true; {207#true} is VALID [2020-07-17 22:20:35,505 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {207#true} {207#true} #47#return; {207#true} is VALID [2020-07-17 22:20:35,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:35,543 INFO L280 TraceCheckUtils]: 0: Hoare triple {207#true} ~n := #in~n; {217#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:35,545 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 22:20:35,547 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 22:20:35,549 INFO L280 TraceCheckUtils]: 3: Hoare triple {218#(<= |fibo1_#in~n| 1)} assume true; {218#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:35,550 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {218#(<= |fibo1_#in~n| 1)} {211#(<= 5 main_~x~0)} #51#return; {208#false} is VALID [2020-07-17 22:20:35,551 INFO L263 TraceCheckUtils]: 0: Hoare triple {207#true} call ULTIMATE.init(); {207#true} is VALID [2020-07-17 22:20:35,551 INFO L280 TraceCheckUtils]: 1: Hoare triple {207#true} assume true; {207#true} is VALID [2020-07-17 22:20:35,551 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {207#true} {207#true} #47#return; {207#true} is VALID [2020-07-17 22:20:35,552 INFO L263 TraceCheckUtils]: 3: Hoare triple {207#true} call #t~ret5 := main(); {207#true} is VALID [2020-07-17 22:20:35,553 INFO L280 TraceCheckUtils]: 4: Hoare triple {207#true} ~x~0 := 5; {211#(<= 5 main_~x~0)} is VALID [2020-07-17 22:20:35,553 INFO L263 TraceCheckUtils]: 5: Hoare triple {211#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {207#true} is VALID [2020-07-17 22:20:35,554 INFO L280 TraceCheckUtils]: 6: Hoare triple {207#true} ~n := #in~n; {217#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:35,554 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 22:20:35,555 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 22:20:35,556 INFO L280 TraceCheckUtils]: 9: Hoare triple {218#(<= |fibo1_#in~n| 1)} assume true; {218#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:35,557 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {218#(<= |fibo1_#in~n| 1)} {211#(<= 5 main_~x~0)} #51#return; {208#false} is VALID [2020-07-17 22:20:35,558 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 22:20:35,558 INFO L280 TraceCheckUtils]: 12: Hoare triple {208#false} assume 5 == ~result~0; {208#false} is VALID [2020-07-17 22:20:35,558 INFO L280 TraceCheckUtils]: 13: Hoare triple {208#false} assume !false; {208#false} is VALID [2020-07-17 22:20:35,559 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 22:20:35,560 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417602424] [2020-07-17 22:20:35,560 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:20:35,560 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 22:20:35,561 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036917499] [2020-07-17 22:20:35,562 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-07-17 22:20:35,563 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:20:35,563 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-17 22:20:35,579 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 22:20:35,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 22:20:35,579 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:20:35,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 22:20:35,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-17 22:20:35,581 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-07-17 22:20:35,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:35,762 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-07-17 22:20:35,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 22:20:35,762 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-07-17 22:20:35,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:20:35,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-17 22:20:35,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2020-07-17 22:20:35,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-17 22:20:35,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2020-07-17 22:20:35,770 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 41 transitions. [2020-07-17 22:20:35,830 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 22:20:35,833 INFO L225 Difference]: With dead ends: 36 [2020-07-17 22:20:35,834 INFO L226 Difference]: Without dead ends: 32 [2020-07-17 22:20:35,835 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 22:20:35,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-07-17 22:20:35,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-07-17 22:20:35,848 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:20:35,848 INFO L82 GeneralOperation]: Start isEquivalent. First operand 32 states. Second operand 30 states. [2020-07-17 22:20:35,848 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand 30 states. [2020-07-17 22:20:35,849 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 30 states. [2020-07-17 22:20:35,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:35,853 INFO L93 Difference]: Finished difference Result 32 states and 40 transitions. [2020-07-17 22:20:35,853 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2020-07-17 22:20:35,854 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:35,855 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:35,855 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand 32 states. [2020-07-17 22:20:35,855 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 32 states. [2020-07-17 22:20:35,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:35,860 INFO L93 Difference]: Finished difference Result 32 states and 40 transitions. [2020-07-17 22:20:35,860 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2020-07-17 22:20:35,861 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:35,862 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:35,862 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:20:35,862 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:20:35,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-07-17 22:20:35,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-07-17 22:20:35,866 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-07-17 22:20:35,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:20:35,867 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-07-17 22:20:35,867 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 22:20:35,867 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-07-17 22:20:35,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-17 22:20:35,868 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:20:35,869 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 22:20:35,869 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 22:20:35,869 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:20:35,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:20:35,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-07-17 22:20:35,870 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:20:35,870 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479368736] [2020-07-17 22:20:35,870 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:20:35,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:35,961 INFO L280 TraceCheckUtils]: 0: Hoare triple {375#true} assume true; {375#true} is VALID [2020-07-17 22:20:35,961 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {375#true} {375#true} #47#return; {375#true} is VALID [2020-07-17 22:20:35,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:36,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:36,067 INFO L280 TraceCheckUtils]: 0: Hoare triple {375#true} ~n := #in~n; {407#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,068 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 22:20:36,069 INFO L280 TraceCheckUtils]: 2: Hoare triple {408#(<= |fibo2_#in~n| 0)} assume true; {408#(<= |fibo2_#in~n| 0)} is VALID [2020-07-17 22:20:36,070 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {408#(<= |fibo2_#in~n| 0)} {398#(< 1 fibo1_~n)} #57#return; {376#false} is VALID [2020-07-17 22:20:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:36,077 INFO L280 TraceCheckUtils]: 0: Hoare triple {375#true} ~n := #in~n; {375#true} is VALID [2020-07-17 22:20:36,077 INFO L280 TraceCheckUtils]: 1: Hoare triple {375#true} assume ~n < 1;#res := 0; {375#true} is VALID [2020-07-17 22:20:36,077 INFO L280 TraceCheckUtils]: 2: Hoare triple {375#true} assume true; {375#true} is VALID [2020-07-17 22:20:36,078 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {375#true} {376#false} #59#return; {376#false} is VALID [2020-07-17 22:20:36,078 INFO L280 TraceCheckUtils]: 0: Hoare triple {375#true} ~n := #in~n; {375#true} is VALID [2020-07-17 22:20:36,079 INFO L280 TraceCheckUtils]: 1: Hoare triple {375#true} assume !(~n < 1); {397#(< 0 fibo1_~n)} is VALID [2020-07-17 22:20:36,080 INFO L280 TraceCheckUtils]: 2: Hoare triple {397#(< 0 fibo1_~n)} assume !(1 == ~n); {398#(< 1 fibo1_~n)} is VALID [2020-07-17 22:20:36,081 INFO L263 TraceCheckUtils]: 3: Hoare triple {398#(< 1 fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {375#true} is VALID [2020-07-17 22:20:36,081 INFO L280 TraceCheckUtils]: 4: Hoare triple {375#true} ~n := #in~n; {407#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,082 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 22:20:36,083 INFO L280 TraceCheckUtils]: 6: Hoare triple {408#(<= |fibo2_#in~n| 0)} assume true; {408#(<= |fibo2_#in~n| 0)} is VALID [2020-07-17 22:20:36,084 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {408#(<= |fibo2_#in~n| 0)} {398#(< 1 fibo1_~n)} #57#return; {376#false} is VALID [2020-07-17 22:20:36,085 INFO L280 TraceCheckUtils]: 8: Hoare triple {376#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {376#false} is VALID [2020-07-17 22:20:36,085 INFO L263 TraceCheckUtils]: 9: Hoare triple {376#false} call #t~ret1 := fibo2(~n - 2); {375#true} is VALID [2020-07-17 22:20:36,086 INFO L280 TraceCheckUtils]: 10: Hoare triple {375#true} ~n := #in~n; {375#true} is VALID [2020-07-17 22:20:36,086 INFO L280 TraceCheckUtils]: 11: Hoare triple {375#true} assume ~n < 1;#res := 0; {375#true} is VALID [2020-07-17 22:20:36,086 INFO L280 TraceCheckUtils]: 12: Hoare triple {375#true} assume true; {375#true} is VALID [2020-07-17 22:20:36,087 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {375#true} {376#false} #59#return; {376#false} is VALID [2020-07-17 22:20:36,087 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 22:20:36,087 INFO L280 TraceCheckUtils]: 15: Hoare triple {376#false} assume true; {376#false} is VALID [2020-07-17 22:20:36,088 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {376#false} {379#(<= 5 main_~x~0)} #51#return; {376#false} is VALID [2020-07-17 22:20:36,089 INFO L263 TraceCheckUtils]: 0: Hoare triple {375#true} call ULTIMATE.init(); {375#true} is VALID [2020-07-17 22:20:36,089 INFO L280 TraceCheckUtils]: 1: Hoare triple {375#true} assume true; {375#true} is VALID [2020-07-17 22:20:36,089 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {375#true} {375#true} #47#return; {375#true} is VALID [2020-07-17 22:20:36,090 INFO L263 TraceCheckUtils]: 3: Hoare triple {375#true} call #t~ret5 := main(); {375#true} is VALID [2020-07-17 22:20:36,090 INFO L280 TraceCheckUtils]: 4: Hoare triple {375#true} ~x~0 := 5; {379#(<= 5 main_~x~0)} is VALID [2020-07-17 22:20:36,091 INFO L263 TraceCheckUtils]: 5: Hoare triple {379#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {375#true} is VALID [2020-07-17 22:20:36,091 INFO L280 TraceCheckUtils]: 6: Hoare triple {375#true} ~n := #in~n; {375#true} is VALID [2020-07-17 22:20:36,092 INFO L280 TraceCheckUtils]: 7: Hoare triple {375#true} assume !(~n < 1); {397#(< 0 fibo1_~n)} is VALID [2020-07-17 22:20:36,093 INFO L280 TraceCheckUtils]: 8: Hoare triple {397#(< 0 fibo1_~n)} assume !(1 == ~n); {398#(< 1 fibo1_~n)} is VALID [2020-07-17 22:20:36,093 INFO L263 TraceCheckUtils]: 9: Hoare triple {398#(< 1 fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {375#true} is VALID [2020-07-17 22:20:36,094 INFO L280 TraceCheckUtils]: 10: Hoare triple {375#true} ~n := #in~n; {407#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:36,095 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 22:20:36,096 INFO L280 TraceCheckUtils]: 12: Hoare triple {408#(<= |fibo2_#in~n| 0)} assume true; {408#(<= |fibo2_#in~n| 0)} is VALID [2020-07-17 22:20:36,097 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {408#(<= |fibo2_#in~n| 0)} {398#(< 1 fibo1_~n)} #57#return; {376#false} is VALID [2020-07-17 22:20:36,098 INFO L280 TraceCheckUtils]: 14: Hoare triple {376#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {376#false} is VALID [2020-07-17 22:20:36,098 INFO L263 TraceCheckUtils]: 15: Hoare triple {376#false} call #t~ret1 := fibo2(~n - 2); {375#true} is VALID [2020-07-17 22:20:36,098 INFO L280 TraceCheckUtils]: 16: Hoare triple {375#true} ~n := #in~n; {375#true} is VALID [2020-07-17 22:20:36,099 INFO L280 TraceCheckUtils]: 17: Hoare triple {375#true} assume ~n < 1;#res := 0; {375#true} is VALID [2020-07-17 22:20:36,099 INFO L280 TraceCheckUtils]: 18: Hoare triple {375#true} assume true; {375#true} is VALID [2020-07-17 22:20:36,099 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {375#true} {376#false} #59#return; {376#false} is VALID [2020-07-17 22:20:36,100 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 22:20:36,100 INFO L280 TraceCheckUtils]: 21: Hoare triple {376#false} assume true; {376#false} is VALID [2020-07-17 22:20:36,100 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {376#false} {379#(<= 5 main_~x~0)} #51#return; {376#false} is VALID [2020-07-17 22:20:36,101 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 22:20:36,101 INFO L280 TraceCheckUtils]: 24: Hoare triple {376#false} assume 5 == ~result~0; {376#false} is VALID [2020-07-17 22:20:36,101 INFO L280 TraceCheckUtils]: 25: Hoare triple {376#false} assume !false; {376#false} is VALID [2020-07-17 22:20:36,102 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 22:20:36,103 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479368736] [2020-07-17 22:20:36,103 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357646381] [2020-07-17 22:20:36,103 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 22:20:36,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:36,148 INFO L264 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-17 22:20:36,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:36,164 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 22:20:36,315 INFO L263 TraceCheckUtils]: 0: Hoare triple {375#true} call ULTIMATE.init(); {375#true} is VALID [2020-07-17 22:20:36,316 INFO L280 TraceCheckUtils]: 1: Hoare triple {375#true} assume true; {375#true} is VALID [2020-07-17 22:20:36,316 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {375#true} {375#true} #47#return; {375#true} is VALID [2020-07-17 22:20:36,317 INFO L263 TraceCheckUtils]: 3: Hoare triple {375#true} call #t~ret5 := main(); {375#true} is VALID [2020-07-17 22:20:36,318 INFO L280 TraceCheckUtils]: 4: Hoare triple {375#true} ~x~0 := 5; {379#(<= 5 main_~x~0)} is VALID [2020-07-17 22:20:36,318 INFO L263 TraceCheckUtils]: 5: Hoare triple {379#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {375#true} is VALID [2020-07-17 22:20:36,319 INFO L280 TraceCheckUtils]: 6: Hoare triple {375#true} ~n := #in~n; {430#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:36,320 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 22:20:36,321 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 22:20:36,321 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 22:20:36,322 INFO L280 TraceCheckUtils]: 10: Hoare triple {375#true} ~n := #in~n; {443#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:36,323 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 22:20:36,324 INFO L280 TraceCheckUtils]: 12: Hoare triple {408#(<= |fibo2_#in~n| 0)} assume true; {408#(<= |fibo2_#in~n| 0)} is VALID [2020-07-17 22:20:36,326 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 22:20:36,327 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 22:20:36,327 INFO L263 TraceCheckUtils]: 15: Hoare triple {453#(<= |fibo1_#in~n| 1)} call #t~ret1 := fibo2(~n - 2); {375#true} is VALID [2020-07-17 22:20:36,327 INFO L280 TraceCheckUtils]: 16: Hoare triple {375#true} ~n := #in~n; {375#true} is VALID [2020-07-17 22:20:36,328 INFO L280 TraceCheckUtils]: 17: Hoare triple {375#true} assume ~n < 1;#res := 0; {375#true} is VALID [2020-07-17 22:20:36,328 INFO L280 TraceCheckUtils]: 18: Hoare triple {375#true} assume true; {375#true} is VALID [2020-07-17 22:20:36,330 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 22:20:36,331 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 22:20:36,331 INFO L280 TraceCheckUtils]: 21: Hoare triple {453#(<= |fibo1_#in~n| 1)} assume true; {453#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:36,333 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {453#(<= |fibo1_#in~n| 1)} {379#(<= 5 main_~x~0)} #51#return; {376#false} is VALID [2020-07-17 22:20:36,334 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 22:20:36,334 INFO L280 TraceCheckUtils]: 24: Hoare triple {376#false} assume 5 == ~result~0; {376#false} is VALID [2020-07-17 22:20:36,334 INFO L280 TraceCheckUtils]: 25: Hoare triple {376#false} assume !false; {376#false} is VALID [2020-07-17 22:20:36,336 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 22:20:36,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 22:20:36,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-17 22:20:36,338 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077467346] [2020-07-17 22:20:36,339 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2020-07-17 22:20:36,339 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:20:36,340 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2020-07-17 22:20:36,390 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 22:20:36,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 22:20:36,391 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:20:36,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 22:20:36,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-07-17 22:20:36,392 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 10 states. [2020-07-17 22:20:36,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:36,978 INFO L93 Difference]: Finished difference Result 58 states and 78 transitions. [2020-07-17 22:20:36,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 22:20:36,978 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2020-07-17 22:20:36,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:20:36,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-17 22:20:36,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 75 transitions. [2020-07-17 22:20:36,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-17 22:20:36,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 75 transitions. [2020-07-17 22:20:36,994 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 75 transitions. [2020-07-17 22:20:37,131 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 22:20:37,134 INFO L225 Difference]: With dead ends: 58 [2020-07-17 22:20:37,134 INFO L226 Difference]: Without dead ends: 34 [2020-07-17 22:20:37,138 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 22:20:37,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-07-17 22:20:37,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-07-17 22:20:37,166 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:20:37,167 INFO L82 GeneralOperation]: Start isEquivalent. First operand 34 states. Second operand 32 states. [2020-07-17 22:20:37,167 INFO L74 IsIncluded]: Start isIncluded. First operand 34 states. Second operand 32 states. [2020-07-17 22:20:37,167 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 32 states. [2020-07-17 22:20:37,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:37,177 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2020-07-17 22:20:37,177 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2020-07-17 22:20:37,178 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:37,179 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:37,179 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand 34 states. [2020-07-17 22:20:37,179 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 34 states. [2020-07-17 22:20:37,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:37,188 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2020-07-17 22:20:37,188 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2020-07-17 22:20:37,189 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:37,189 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:37,189 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:20:37,189 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:20:37,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-07-17 22:20:37,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-07-17 22:20:37,193 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 26 [2020-07-17 22:20:37,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:20:37,194 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-07-17 22:20:37,194 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 22:20:37,194 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-07-17 22:20:37,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-17 22:20:37,196 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:20:37,196 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 22:20:37,409 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-17 22:20:37,410 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:20:37,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:20:37,411 INFO L82 PathProgramCache]: Analyzing trace with hash 746633022, now seen corresponding path program 1 times [2020-07-17 22:20:37,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:20:37,412 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435737541] [2020-07-17 22:20:37,412 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:20:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:37,458 INFO L280 TraceCheckUtils]: 0: Hoare triple {685#true} assume true; {685#true} is VALID [2020-07-17 22:20:37,459 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {685#true} {685#true} #47#return; {685#true} is VALID [2020-07-17 22:20:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:37,559 INFO L280 TraceCheckUtils]: 0: Hoare triple {685#true} ~n := #in~n; {719#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:37,561 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 22:20:37,563 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 22:20:37,566 INFO L280 TraceCheckUtils]: 3: Hoare triple {720#(<= |fibo2_#in~n| 1)} assume true; {720#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:37,568 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 22:20:37,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:37,575 INFO L280 TraceCheckUtils]: 0: Hoare triple {685#true} ~n := #in~n; {685#true} is VALID [2020-07-17 22:20:37,575 INFO L280 TraceCheckUtils]: 1: Hoare triple {685#true} assume ~n < 1;#res := 0; {685#true} is VALID [2020-07-17 22:20:37,576 INFO L280 TraceCheckUtils]: 2: Hoare triple {685#true} assume true; {685#true} is VALID [2020-07-17 22:20:37,577 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 22:20:37,578 INFO L280 TraceCheckUtils]: 0: Hoare triple {685#true} ~n := #in~n; {708#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:37,579 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 22:20:37,579 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 22:20:37,579 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 22:20:37,580 INFO L280 TraceCheckUtils]: 4: Hoare triple {685#true} ~n := #in~n; {719#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:37,581 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 22:20:37,582 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 22:20:37,582 INFO L280 TraceCheckUtils]: 7: Hoare triple {720#(<= |fibo2_#in~n| 1)} assume true; {720#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:37,584 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 22:20:37,585 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 22:20:37,585 INFO L263 TraceCheckUtils]: 10: Hoare triple {714#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {685#true} is VALID [2020-07-17 22:20:37,585 INFO L280 TraceCheckUtils]: 11: Hoare triple {685#true} ~n := #in~n; {685#true} is VALID [2020-07-17 22:20:37,586 INFO L280 TraceCheckUtils]: 12: Hoare triple {685#true} assume ~n < 1;#res := 0; {685#true} is VALID [2020-07-17 22:20:37,586 INFO L280 TraceCheckUtils]: 13: Hoare triple {685#true} assume true; {685#true} is VALID [2020-07-17 22:20:37,587 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 22:20:37,588 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 22:20:37,589 INFO L280 TraceCheckUtils]: 16: Hoare triple {714#(<= |fibo1_#in~n| 2)} assume true; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:37,590 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {714#(<= |fibo1_#in~n| 2)} {689#(<= 5 main_~x~0)} #51#return; {686#false} is VALID [2020-07-17 22:20:37,591 INFO L263 TraceCheckUtils]: 0: Hoare triple {685#true} call ULTIMATE.init(); {685#true} is VALID [2020-07-17 22:20:37,591 INFO L280 TraceCheckUtils]: 1: Hoare triple {685#true} assume true; {685#true} is VALID [2020-07-17 22:20:37,591 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {685#true} {685#true} #47#return; {685#true} is VALID [2020-07-17 22:20:37,591 INFO L263 TraceCheckUtils]: 3: Hoare triple {685#true} call #t~ret5 := main(); {685#true} is VALID [2020-07-17 22:20:37,592 INFO L280 TraceCheckUtils]: 4: Hoare triple {685#true} ~x~0 := 5; {689#(<= 5 main_~x~0)} is VALID [2020-07-17 22:20:37,593 INFO L263 TraceCheckUtils]: 5: Hoare triple {689#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {685#true} is VALID [2020-07-17 22:20:37,593 INFO L280 TraceCheckUtils]: 6: Hoare triple {685#true} ~n := #in~n; {708#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:37,594 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 22:20:37,595 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 22:20:37,595 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 22:20:37,596 INFO L280 TraceCheckUtils]: 10: Hoare triple {685#true} ~n := #in~n; {719#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:37,596 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 22:20:37,597 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 22:20:37,598 INFO L280 TraceCheckUtils]: 13: Hoare triple {720#(<= |fibo2_#in~n| 1)} assume true; {720#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:37,599 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 22:20:37,600 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 22:20:37,600 INFO L263 TraceCheckUtils]: 16: Hoare triple {714#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {685#true} is VALID [2020-07-17 22:20:37,600 INFO L280 TraceCheckUtils]: 17: Hoare triple {685#true} ~n := #in~n; {685#true} is VALID [2020-07-17 22:20:37,600 INFO L280 TraceCheckUtils]: 18: Hoare triple {685#true} assume ~n < 1;#res := 0; {685#true} is VALID [2020-07-17 22:20:37,600 INFO L280 TraceCheckUtils]: 19: Hoare triple {685#true} assume true; {685#true} is VALID [2020-07-17 22:20:37,601 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 22:20:37,601 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 22:20:37,602 INFO L280 TraceCheckUtils]: 22: Hoare triple {714#(<= |fibo1_#in~n| 2)} assume true; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:37,603 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {714#(<= |fibo1_#in~n| 2)} {689#(<= 5 main_~x~0)} #51#return; {686#false} is VALID [2020-07-17 22:20:37,603 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 22:20:37,603 INFO L280 TraceCheckUtils]: 25: Hoare triple {686#false} assume 5 == ~result~0; {686#false} is VALID [2020-07-17 22:20:37,603 INFO L280 TraceCheckUtils]: 26: Hoare triple {686#false} assume !false; {686#false} is VALID [2020-07-17 22:20:37,604 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 22:20:37,605 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435737541] [2020-07-17 22:20:37,605 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379292859] [2020-07-17 22:20:37,605 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 22:20:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:37,633 INFO L264 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-17 22:20:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:37,642 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 22:20:37,752 INFO L263 TraceCheckUtils]: 0: Hoare triple {685#true} call ULTIMATE.init(); {685#true} is VALID [2020-07-17 22:20:37,752 INFO L280 TraceCheckUtils]: 1: Hoare triple {685#true} assume true; {685#true} is VALID [2020-07-17 22:20:37,752 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {685#true} {685#true} #47#return; {685#true} is VALID [2020-07-17 22:20:37,753 INFO L263 TraceCheckUtils]: 3: Hoare triple {685#true} call #t~ret5 := main(); {685#true} is VALID [2020-07-17 22:20:37,753 INFO L280 TraceCheckUtils]: 4: Hoare triple {685#true} ~x~0 := 5; {689#(<= 5 main_~x~0)} is VALID [2020-07-17 22:20:37,753 INFO L263 TraceCheckUtils]: 5: Hoare triple {689#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {685#true} is VALID [2020-07-17 22:20:37,754 INFO L280 TraceCheckUtils]: 6: Hoare triple {685#true} ~n := #in~n; {742#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:37,755 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 22:20:37,756 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 22:20:37,756 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 22:20:37,757 INFO L280 TraceCheckUtils]: 10: Hoare triple {685#true} ~n := #in~n; {755#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:37,757 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 22:20:37,758 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 22:20:37,758 INFO L280 TraceCheckUtils]: 13: Hoare triple {720#(<= |fibo2_#in~n| 1)} assume true; {720#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:37,759 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 22:20:37,760 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 22:20:37,760 INFO L263 TraceCheckUtils]: 16: Hoare triple {714#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {685#true} is VALID [2020-07-17 22:20:37,760 INFO L280 TraceCheckUtils]: 17: Hoare triple {685#true} ~n := #in~n; {685#true} is VALID [2020-07-17 22:20:37,761 INFO L280 TraceCheckUtils]: 18: Hoare triple {685#true} assume ~n < 1;#res := 0; {685#true} is VALID [2020-07-17 22:20:37,761 INFO L280 TraceCheckUtils]: 19: Hoare triple {685#true} assume true; {685#true} is VALID [2020-07-17 22:20:37,763 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 22:20:37,766 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 22:20:37,767 INFO L280 TraceCheckUtils]: 22: Hoare triple {714#(<= |fibo1_#in~n| 2)} assume true; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:37,767 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {714#(<= |fibo1_#in~n| 2)} {689#(<= 5 main_~x~0)} #51#return; {686#false} is VALID [2020-07-17 22:20:37,768 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 22:20:37,768 INFO L280 TraceCheckUtils]: 25: Hoare triple {686#false} assume 5 == ~result~0; {686#false} is VALID [2020-07-17 22:20:37,768 INFO L280 TraceCheckUtils]: 26: Hoare triple {686#false} assume !false; {686#false} is VALID [2020-07-17 22:20:37,769 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 22:20:37,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 22:20:37,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-07-17 22:20:37,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912023104] [2020-07-17 22:20:37,771 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2020-07-17 22:20:37,772 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:20:37,772 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-17 22:20:37,825 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 22:20:37,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 22:20:37,826 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:20:37,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 22:20:37,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 22:20:37,827 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 9 states. [2020-07-17 22:20:38,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:38,445 INFO L93 Difference]: Finished difference Result 54 states and 74 transitions. [2020-07-17 22:20:38,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-17 22:20:38,446 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2020-07-17 22:20:38,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:20:38,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-17 22:20:38,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 66 transitions. [2020-07-17 22:20:38,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-17 22:20:38,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 66 transitions. [2020-07-17 22:20:38,453 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 66 transitions. [2020-07-17 22:20:38,531 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 22:20:38,536 INFO L225 Difference]: With dead ends: 54 [2020-07-17 22:20:38,537 INFO L226 Difference]: Without dead ends: 50 [2020-07-17 22:20:38,538 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 22:20:38,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-07-17 22:20:38,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2020-07-17 22:20:38,574 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:20:38,575 INFO L82 GeneralOperation]: Start isEquivalent. First operand 50 states. Second operand 48 states. [2020-07-17 22:20:38,575 INFO L74 IsIncluded]: Start isIncluded. First operand 50 states. Second operand 48 states. [2020-07-17 22:20:38,575 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 48 states. [2020-07-17 22:20:38,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:38,581 INFO L93 Difference]: Finished difference Result 50 states and 70 transitions. [2020-07-17 22:20:38,581 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 70 transitions. [2020-07-17 22:20:38,582 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:38,582 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:38,583 INFO L74 IsIncluded]: Start isIncluded. First operand 48 states. Second operand 50 states. [2020-07-17 22:20:38,583 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 50 states. [2020-07-17 22:20:38,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:38,588 INFO L93 Difference]: Finished difference Result 50 states and 70 transitions. [2020-07-17 22:20:38,588 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 70 transitions. [2020-07-17 22:20:38,589 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:38,589 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:38,589 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:20:38,589 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:20:38,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-07-17 22:20:38,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 65 transitions. [2020-07-17 22:20:38,593 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 65 transitions. Word has length 27 [2020-07-17 22:20:38,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:20:38,594 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 65 transitions. [2020-07-17 22:20:38,594 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 22:20:38,594 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2020-07-17 22:20:38,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-07-17 22:20:38,596 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:20:38,596 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 22:20:38,804 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:20:38,804 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:20:38,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:20:38,805 INFO L82 PathProgramCache]: Analyzing trace with hash 986908919, now seen corresponding path program 1 times [2020-07-17 22:20:38,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:20:38,806 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439918263] [2020-07-17 22:20:38,806 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:20:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:38,852 INFO L280 TraceCheckUtils]: 0: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-17 22:20:38,853 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1044#true} {1044#true} #47#return; {1044#true} is VALID [2020-07-17 22:20:38,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:38,936 INFO L280 TraceCheckUtils]: 0: Hoare triple {1044#true} ~n := #in~n; {1109#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:38,957 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 22:20:38,962 INFO L280 TraceCheckUtils]: 2: Hoare triple {1110#(<= |fibo1_#in~n| 0)} assume true; {1110#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:38,963 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1110#(<= |fibo1_#in~n| 0)} {1100#(< 1 fibo2_~n)} #53#return; {1045#false} is VALID [2020-07-17 22:20:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:38,971 INFO L280 TraceCheckUtils]: 0: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:38,971 INFO L280 TraceCheckUtils]: 1: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-17 22:20:38,972 INFO L280 TraceCheckUtils]: 2: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-17 22:20:38,972 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1044#true} {1045#false} #55#return; {1045#false} is VALID [2020-07-17 22:20:38,972 INFO L280 TraceCheckUtils]: 0: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:38,973 INFO L280 TraceCheckUtils]: 1: Hoare triple {1044#true} assume !(~n < 1); {1099#(< 0 fibo2_~n)} is VALID [2020-07-17 22:20:38,974 INFO L280 TraceCheckUtils]: 2: Hoare triple {1099#(< 0 fibo2_~n)} assume !(1 == ~n); {1100#(< 1 fibo2_~n)} is VALID [2020-07-17 22:20:38,974 INFO L263 TraceCheckUtils]: 3: Hoare triple {1100#(< 1 fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {1044#true} is VALID [2020-07-17 22:20:38,975 INFO L280 TraceCheckUtils]: 4: Hoare triple {1044#true} ~n := #in~n; {1109#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:38,976 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 22:20:38,977 INFO L280 TraceCheckUtils]: 6: Hoare triple {1110#(<= |fibo1_#in~n| 0)} assume true; {1110#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:38,978 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {1110#(<= |fibo1_#in~n| 0)} {1100#(< 1 fibo2_~n)} #53#return; {1045#false} is VALID [2020-07-17 22:20:38,978 INFO L280 TraceCheckUtils]: 8: Hoare triple {1045#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1045#false} is VALID [2020-07-17 22:20:38,978 INFO L263 TraceCheckUtils]: 9: Hoare triple {1045#false} call #t~ret3 := fibo1(~n - 2); {1044#true} is VALID [2020-07-17 22:20:38,979 INFO L280 TraceCheckUtils]: 10: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:38,979 INFO L280 TraceCheckUtils]: 11: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-17 22:20:38,979 INFO L280 TraceCheckUtils]: 12: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-17 22:20:38,979 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {1044#true} {1045#false} #55#return; {1045#false} is VALID [2020-07-17 22:20:38,980 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 22:20:38,980 INFO L280 TraceCheckUtils]: 15: Hoare triple {1045#false} assume true; {1045#false} is VALID [2020-07-17 22:20:38,980 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {1045#false} {1044#true} #57#return; {1045#false} is VALID [2020-07-17 22:20:38,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:38,993 INFO L280 TraceCheckUtils]: 0: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:38,993 INFO L280 TraceCheckUtils]: 1: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-17 22:20:38,994 INFO L280 TraceCheckUtils]: 2: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-17 22:20:38,994 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1044#true} {1045#false} #59#return; {1045#false} is VALID [2020-07-17 22:20:38,994 INFO L280 TraceCheckUtils]: 0: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:38,995 INFO L280 TraceCheckUtils]: 1: Hoare triple {1044#true} assume !(~n < 1); {1044#true} is VALID [2020-07-17 22:20:38,995 INFO L280 TraceCheckUtils]: 2: Hoare triple {1044#true} assume !(1 == ~n); {1044#true} is VALID [2020-07-17 22:20:38,995 INFO L263 TraceCheckUtils]: 3: Hoare triple {1044#true} call #t~ret0 := fibo2(~n - 1); {1044#true} is VALID [2020-07-17 22:20:38,995 INFO L280 TraceCheckUtils]: 4: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:38,996 INFO L280 TraceCheckUtils]: 5: Hoare triple {1044#true} assume !(~n < 1); {1099#(< 0 fibo2_~n)} is VALID [2020-07-17 22:20:38,997 INFO L280 TraceCheckUtils]: 6: Hoare triple {1099#(< 0 fibo2_~n)} assume !(1 == ~n); {1100#(< 1 fibo2_~n)} is VALID [2020-07-17 22:20:38,997 INFO L263 TraceCheckUtils]: 7: Hoare triple {1100#(< 1 fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {1044#true} is VALID [2020-07-17 22:20:38,999 INFO L280 TraceCheckUtils]: 8: Hoare triple {1044#true} ~n := #in~n; {1109#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:38,999 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 22:20:39,000 INFO L280 TraceCheckUtils]: 10: Hoare triple {1110#(<= |fibo1_#in~n| 0)} assume true; {1110#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:39,001 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1110#(<= |fibo1_#in~n| 0)} {1100#(< 1 fibo2_~n)} #53#return; {1045#false} is VALID [2020-07-17 22:20:39,001 INFO L280 TraceCheckUtils]: 12: Hoare triple {1045#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1045#false} is VALID [2020-07-17 22:20:39,002 INFO L263 TraceCheckUtils]: 13: Hoare triple {1045#false} call #t~ret3 := fibo1(~n - 2); {1044#true} is VALID [2020-07-17 22:20:39,002 INFO L280 TraceCheckUtils]: 14: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:39,002 INFO L280 TraceCheckUtils]: 15: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-17 22:20:39,003 INFO L280 TraceCheckUtils]: 16: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-17 22:20:39,003 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {1044#true} {1045#false} #55#return; {1045#false} is VALID [2020-07-17 22:20:39,003 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 22:20:39,003 INFO L280 TraceCheckUtils]: 19: Hoare triple {1045#false} assume true; {1045#false} is VALID [2020-07-17 22:20:39,004 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1045#false} {1044#true} #57#return; {1045#false} is VALID [2020-07-17 22:20:39,004 INFO L280 TraceCheckUtils]: 21: Hoare triple {1045#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1045#false} is VALID [2020-07-17 22:20:39,004 INFO L263 TraceCheckUtils]: 22: Hoare triple {1045#false} call #t~ret1 := fibo2(~n - 2); {1044#true} is VALID [2020-07-17 22:20:39,004 INFO L280 TraceCheckUtils]: 23: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:39,005 INFO L280 TraceCheckUtils]: 24: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-17 22:20:39,005 INFO L280 TraceCheckUtils]: 25: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-17 22:20:39,005 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {1044#true} {1045#false} #59#return; {1045#false} is VALID [2020-07-17 22:20:39,005 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 22:20:39,006 INFO L280 TraceCheckUtils]: 28: Hoare triple {1045#false} assume true; {1045#false} is VALID [2020-07-17 22:20:39,006 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {1045#false} {1044#true} #51#return; {1045#false} is VALID [2020-07-17 22:20:39,008 INFO L263 TraceCheckUtils]: 0: Hoare triple {1044#true} call ULTIMATE.init(); {1044#true} is VALID [2020-07-17 22:20:39,008 INFO L280 TraceCheckUtils]: 1: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-17 22:20:39,009 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1044#true} {1044#true} #47#return; {1044#true} is VALID [2020-07-17 22:20:39,009 INFO L263 TraceCheckUtils]: 3: Hoare triple {1044#true} call #t~ret5 := main(); {1044#true} is VALID [2020-07-17 22:20:39,009 INFO L280 TraceCheckUtils]: 4: Hoare triple {1044#true} ~x~0 := 5; {1044#true} is VALID [2020-07-17 22:20:39,009 INFO L263 TraceCheckUtils]: 5: Hoare triple {1044#true} call #t~ret4 := fibo1(~x~0); {1044#true} is VALID [2020-07-17 22:20:39,009 INFO L280 TraceCheckUtils]: 6: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:39,010 INFO L280 TraceCheckUtils]: 7: Hoare triple {1044#true} assume !(~n < 1); {1044#true} is VALID [2020-07-17 22:20:39,010 INFO L280 TraceCheckUtils]: 8: Hoare triple {1044#true} assume !(1 == ~n); {1044#true} is VALID [2020-07-17 22:20:39,010 INFO L263 TraceCheckUtils]: 9: Hoare triple {1044#true} call #t~ret0 := fibo2(~n - 1); {1044#true} is VALID [2020-07-17 22:20:39,010 INFO L280 TraceCheckUtils]: 10: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:39,011 INFO L280 TraceCheckUtils]: 11: Hoare triple {1044#true} assume !(~n < 1); {1099#(< 0 fibo2_~n)} is VALID [2020-07-17 22:20:39,012 INFO L280 TraceCheckUtils]: 12: Hoare triple {1099#(< 0 fibo2_~n)} assume !(1 == ~n); {1100#(< 1 fibo2_~n)} is VALID [2020-07-17 22:20:39,012 INFO L263 TraceCheckUtils]: 13: Hoare triple {1100#(< 1 fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {1044#true} is VALID [2020-07-17 22:20:39,013 INFO L280 TraceCheckUtils]: 14: Hoare triple {1044#true} ~n := #in~n; {1109#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:39,014 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 22:20:39,014 INFO L280 TraceCheckUtils]: 16: Hoare triple {1110#(<= |fibo1_#in~n| 0)} assume true; {1110#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:39,015 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {1110#(<= |fibo1_#in~n| 0)} {1100#(< 1 fibo2_~n)} #53#return; {1045#false} is VALID [2020-07-17 22:20:39,015 INFO L280 TraceCheckUtils]: 18: Hoare triple {1045#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1045#false} is VALID [2020-07-17 22:20:39,016 INFO L263 TraceCheckUtils]: 19: Hoare triple {1045#false} call #t~ret3 := fibo1(~n - 2); {1044#true} is VALID [2020-07-17 22:20:39,016 INFO L280 TraceCheckUtils]: 20: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:39,016 INFO L280 TraceCheckUtils]: 21: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-17 22:20:39,016 INFO L280 TraceCheckUtils]: 22: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-17 22:20:39,017 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {1044#true} {1045#false} #55#return; {1045#false} is VALID [2020-07-17 22:20:39,017 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 22:20:39,017 INFO L280 TraceCheckUtils]: 25: Hoare triple {1045#false} assume true; {1045#false} is VALID [2020-07-17 22:20:39,017 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {1045#false} {1044#true} #57#return; {1045#false} is VALID [2020-07-17 22:20:39,018 INFO L280 TraceCheckUtils]: 27: Hoare triple {1045#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1045#false} is VALID [2020-07-17 22:20:39,018 INFO L263 TraceCheckUtils]: 28: Hoare triple {1045#false} call #t~ret1 := fibo2(~n - 2); {1044#true} is VALID [2020-07-17 22:20:39,018 INFO L280 TraceCheckUtils]: 29: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:39,018 INFO L280 TraceCheckUtils]: 30: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-17 22:20:39,018 INFO L280 TraceCheckUtils]: 31: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-17 22:20:39,019 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {1044#true} {1045#false} #59#return; {1045#false} is VALID [2020-07-17 22:20:39,019 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 22:20:39,019 INFO L280 TraceCheckUtils]: 34: Hoare triple {1045#false} assume true; {1045#false} is VALID [2020-07-17 22:20:39,019 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {1045#false} {1044#true} #51#return; {1045#false} is VALID [2020-07-17 22:20:39,020 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 22:20:39,020 INFO L280 TraceCheckUtils]: 37: Hoare triple {1045#false} assume 5 == ~result~0; {1045#false} is VALID [2020-07-17 22:20:39,021 INFO L280 TraceCheckUtils]: 38: Hoare triple {1045#false} assume !false; {1045#false} is VALID [2020-07-17 22:20:39,023 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 22:20:39,023 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439918263] [2020-07-17 22:20:39,023 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83545421] [2020-07-17 22:20:39,023 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 22:20:39,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:39,074 INFO L264 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-17 22:20:39,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:39,088 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 22:20:39,258 INFO L263 TraceCheckUtils]: 0: Hoare triple {1044#true} call ULTIMATE.init(); {1044#true} is VALID [2020-07-17 22:20:39,258 INFO L280 TraceCheckUtils]: 1: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-17 22:20:39,259 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1044#true} {1044#true} #47#return; {1044#true} is VALID [2020-07-17 22:20:39,259 INFO L263 TraceCheckUtils]: 3: Hoare triple {1044#true} call #t~ret5 := main(); {1044#true} is VALID [2020-07-17 22:20:39,261 INFO L280 TraceCheckUtils]: 4: Hoare triple {1044#true} ~x~0 := 5; {1126#(<= 5 main_~x~0)} is VALID [2020-07-17 22:20:39,261 INFO L263 TraceCheckUtils]: 5: Hoare triple {1126#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {1044#true} is VALID [2020-07-17 22:20:39,261 INFO L280 TraceCheckUtils]: 6: Hoare triple {1044#true} ~n := #in~n; {1133#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:39,262 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 22:20:39,262 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 22:20:39,262 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 22:20:39,263 INFO L280 TraceCheckUtils]: 10: Hoare triple {1044#true} ~n := #in~n; {1146#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:39,267 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 22:20:39,268 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 22:20:39,268 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 22:20:39,270 INFO L280 TraceCheckUtils]: 14: Hoare triple {1044#true} ~n := #in~n; {1133#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:39,271 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 22:20:39,271 INFO L280 TraceCheckUtils]: 16: Hoare triple {1110#(<= |fibo1_#in~n| 0)} assume true; {1110#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:39,272 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 22:20:39,272 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 22:20:39,273 INFO L263 TraceCheckUtils]: 19: Hoare triple {1168#(<= |fibo2_#in~n| 1)} call #t~ret3 := fibo1(~n - 2); {1044#true} is VALID [2020-07-17 22:20:39,273 INFO L280 TraceCheckUtils]: 20: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:39,273 INFO L280 TraceCheckUtils]: 21: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-17 22:20:39,273 INFO L280 TraceCheckUtils]: 22: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-17 22:20:39,274 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 22:20:39,274 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 22:20:39,274 INFO L280 TraceCheckUtils]: 25: Hoare triple {1168#(<= |fibo2_#in~n| 1)} assume true; {1168#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:39,275 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 22:20:39,276 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 22:20:39,276 INFO L263 TraceCheckUtils]: 28: Hoare triple {1196#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {1044#true} is VALID [2020-07-17 22:20:39,276 INFO L280 TraceCheckUtils]: 29: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-17 22:20:39,277 INFO L280 TraceCheckUtils]: 30: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-17 22:20:39,277 INFO L280 TraceCheckUtils]: 31: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-17 22:20:39,283 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 22:20:39,284 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 22:20:39,284 INFO L280 TraceCheckUtils]: 34: Hoare triple {1196#(<= |fibo1_#in~n| 2)} assume true; {1196#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:39,285 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {1196#(<= |fibo1_#in~n| 2)} {1126#(<= 5 main_~x~0)} #51#return; {1045#false} is VALID [2020-07-17 22:20:39,285 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 22:20:39,286 INFO L280 TraceCheckUtils]: 37: Hoare triple {1045#false} assume 5 == ~result~0; {1045#false} is VALID [2020-07-17 22:20:39,286 INFO L280 TraceCheckUtils]: 38: Hoare triple {1045#false} assume !false; {1045#false} is VALID [2020-07-17 22:20:39,288 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 22:20:39,289 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 22:20:39,289 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 11 [2020-07-17 22:20:39,289 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448208714] [2020-07-17 22:20:39,290 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 39 [2020-07-17 22:20:39,292 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:20:39,292 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2020-07-17 22:20:39,347 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 22:20:39,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 22:20:39,347 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:20:39,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 22:20:39,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-07-17 22:20:39,348 INFO L87 Difference]: Start difference. First operand 48 states and 65 transitions. Second operand 11 states. [2020-07-17 22:20:40,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:40,338 INFO L93 Difference]: Finished difference Result 108 states and 170 transitions. [2020-07-17 22:20:40,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-17 22:20:40,339 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 39 [2020-07-17 22:20:40,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:20:40,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-17 22:20:40,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 102 transitions. [2020-07-17 22:20:40,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-17 22:20:40,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 102 transitions. [2020-07-17 22:20:40,348 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 102 transitions. [2020-07-17 22:20:40,496 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 22:20:40,502 INFO L225 Difference]: With dead ends: 108 [2020-07-17 22:20:40,502 INFO L226 Difference]: Without dead ends: 66 [2020-07-17 22:20:40,504 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2020-07-17 22:20:40,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-07-17 22:20:40,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2020-07-17 22:20:40,552 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:20:40,552 INFO L82 GeneralOperation]: Start isEquivalent. First operand 66 states. Second operand 66 states. [2020-07-17 22:20:40,553 INFO L74 IsIncluded]: Start isIncluded. First operand 66 states. Second operand 66 states. [2020-07-17 22:20:40,553 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 66 states. [2020-07-17 22:20:40,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:40,562 INFO L93 Difference]: Finished difference Result 66 states and 95 transitions. [2020-07-17 22:20:40,562 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 95 transitions. [2020-07-17 22:20:40,564 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:40,564 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:40,564 INFO L74 IsIncluded]: Start isIncluded. First operand 66 states. Second operand 66 states. [2020-07-17 22:20:40,565 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 66 states. [2020-07-17 22:20:40,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:40,575 INFO L93 Difference]: Finished difference Result 66 states and 95 transitions. [2020-07-17 22:20:40,576 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 95 transitions. [2020-07-17 22:20:40,578 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:40,579 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:40,579 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:20:40,579 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:20:40,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-07-17 22:20:40,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 95 transitions. [2020-07-17 22:20:40,584 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 95 transitions. Word has length 39 [2020-07-17 22:20:40,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:20:40,585 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 95 transitions. [2020-07-17 22:20:40,585 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 22:20:40,585 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 95 transitions. [2020-07-17 22:20:40,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-17 22:20:40,588 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:20:40,589 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 22:20:40,802 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:20:40,803 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:20:40,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:20:40,804 INFO L82 PathProgramCache]: Analyzing trace with hash -2100495745, now seen corresponding path program 1 times [2020-07-17 22:20:40,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:20:40,805 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032836215] [2020-07-17 22:20:40,805 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:20:40,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:40,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:40,862 INFO L280 TraceCheckUtils]: 0: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-17 22:20:40,862 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1610#true} {1610#true} #47#return; {1610#true} is VALID [2020-07-17 22:20:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:40,985 INFO L280 TraceCheckUtils]: 0: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-17 22:20:40,985 INFO L280 TraceCheckUtils]: 1: Hoare triple {1610#true} assume !(~n < 1); {1610#true} is VALID [2020-07-17 22:20:40,985 INFO L280 TraceCheckUtils]: 2: Hoare triple {1610#true} assume 1 == ~n;#res := 1; {1610#true} is VALID [2020-07-17 22:20:40,986 INFO L280 TraceCheckUtils]: 3: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-17 22:20:40,987 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 22:20:40,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:40,995 INFO L280 TraceCheckUtils]: 0: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-17 22:20:40,996 INFO L280 TraceCheckUtils]: 1: Hoare triple {1610#true} assume ~n < 1;#res := 0; {1610#true} is VALID [2020-07-17 22:20:40,996 INFO L280 TraceCheckUtils]: 2: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-17 22:20:40,998 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 22:20:41,000 INFO L280 TraceCheckUtils]: 0: Hoare triple {1610#true} ~n := #in~n; {1669#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:41,001 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 22:20:41,002 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 22:20:41,003 INFO L263 TraceCheckUtils]: 3: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {1610#true} is VALID [2020-07-17 22:20:41,003 INFO L280 TraceCheckUtils]: 4: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-17 22:20:41,003 INFO L280 TraceCheckUtils]: 5: Hoare triple {1610#true} assume !(~n < 1); {1610#true} is VALID [2020-07-17 22:20:41,004 INFO L280 TraceCheckUtils]: 6: Hoare triple {1610#true} assume 1 == ~n;#res := 1; {1610#true} is VALID [2020-07-17 22:20:41,004 INFO L280 TraceCheckUtils]: 7: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-17 22:20:41,005 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 22:20:41,007 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 22:20:41,007 INFO L263 TraceCheckUtils]: 10: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {1610#true} is VALID [2020-07-17 22:20:41,007 INFO L280 TraceCheckUtils]: 11: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-17 22:20:41,007 INFO L280 TraceCheckUtils]: 12: Hoare triple {1610#true} assume ~n < 1;#res := 0; {1610#true} is VALID [2020-07-17 22:20:41,008 INFO L280 TraceCheckUtils]: 13: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-17 22:20:41,009 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 22:20:41,009 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 22:20:41,011 INFO L280 TraceCheckUtils]: 16: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} assume true; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:41,013 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {1671#(<= 2 |fibo2_#in~n|)} {1610#true} #57#return; {1664#(<= 3 fibo1_~n)} is VALID [2020-07-17 22:20:41,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:41,033 INFO L280 TraceCheckUtils]: 0: Hoare triple {1610#true} ~n := #in~n; {1669#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:41,034 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 22:20:41,035 INFO L280 TraceCheckUtils]: 2: Hoare triple {1681#(<= |fibo2_#in~n| 0)} assume true; {1681#(<= |fibo2_#in~n| 0)} is VALID [2020-07-17 22:20:41,036 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1681#(<= |fibo2_#in~n| 0)} {1664#(<= 3 fibo1_~n)} #59#return; {1611#false} is VALID [2020-07-17 22:20:41,036 INFO L280 TraceCheckUtils]: 0: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-17 22:20:41,037 INFO L280 TraceCheckUtils]: 1: Hoare triple {1610#true} assume !(~n < 1); {1610#true} is VALID [2020-07-17 22:20:41,037 INFO L280 TraceCheckUtils]: 2: Hoare triple {1610#true} assume !(1 == ~n); {1610#true} is VALID [2020-07-17 22:20:41,037 INFO L263 TraceCheckUtils]: 3: Hoare triple {1610#true} call #t~ret0 := fibo2(~n - 1); {1610#true} is VALID [2020-07-17 22:20:41,038 INFO L280 TraceCheckUtils]: 4: Hoare triple {1610#true} ~n := #in~n; {1669#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:41,039 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 22:20:41,040 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 22:20:41,040 INFO L263 TraceCheckUtils]: 7: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {1610#true} is VALID [2020-07-17 22:20:41,040 INFO L280 TraceCheckUtils]: 8: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-17 22:20:41,041 INFO L280 TraceCheckUtils]: 9: Hoare triple {1610#true} assume !(~n < 1); {1610#true} is VALID [2020-07-17 22:20:41,041 INFO L280 TraceCheckUtils]: 10: Hoare triple {1610#true} assume 1 == ~n;#res := 1; {1610#true} is VALID [2020-07-17 22:20:41,041 INFO L280 TraceCheckUtils]: 11: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-17 22:20:41,042 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 22:20:41,043 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 22:20:41,043 INFO L263 TraceCheckUtils]: 14: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {1610#true} is VALID [2020-07-17 22:20:41,043 INFO L280 TraceCheckUtils]: 15: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-17 22:20:41,044 INFO L280 TraceCheckUtils]: 16: Hoare triple {1610#true} assume ~n < 1;#res := 0; {1610#true} is VALID [2020-07-17 22:20:41,044 INFO L280 TraceCheckUtils]: 17: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-17 22:20:41,045 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 22:20:41,045 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 22:20:41,046 INFO L280 TraceCheckUtils]: 20: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} assume true; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:41,048 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {1671#(<= 2 |fibo2_#in~n|)} {1610#true} #57#return; {1664#(<= 3 fibo1_~n)} is VALID [2020-07-17 22:20:41,049 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 22:20:41,049 INFO L263 TraceCheckUtils]: 23: Hoare triple {1664#(<= 3 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {1610#true} is VALID [2020-07-17 22:20:41,050 INFO L280 TraceCheckUtils]: 24: Hoare triple {1610#true} ~n := #in~n; {1669#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:41,050 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 22:20:41,051 INFO L280 TraceCheckUtils]: 26: Hoare triple {1681#(<= |fibo2_#in~n| 0)} assume true; {1681#(<= |fibo2_#in~n| 0)} is VALID [2020-07-17 22:20:41,052 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {1681#(<= |fibo2_#in~n| 0)} {1664#(<= 3 fibo1_~n)} #59#return; {1611#false} is VALID [2020-07-17 22:20:41,053 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 22:20:41,053 INFO L280 TraceCheckUtils]: 29: Hoare triple {1611#false} assume true; {1611#false} is VALID [2020-07-17 22:20:41,053 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {1611#false} {1614#(<= 5 main_~x~0)} #51#return; {1611#false} is VALID [2020-07-17 22:20:41,054 INFO L263 TraceCheckUtils]: 0: Hoare triple {1610#true} call ULTIMATE.init(); {1610#true} is VALID [2020-07-17 22:20:41,055 INFO L280 TraceCheckUtils]: 1: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-17 22:20:41,055 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1610#true} {1610#true} #47#return; {1610#true} is VALID [2020-07-17 22:20:41,055 INFO L263 TraceCheckUtils]: 3: Hoare triple {1610#true} call #t~ret5 := main(); {1610#true} is VALID [2020-07-17 22:20:41,056 INFO L280 TraceCheckUtils]: 4: Hoare triple {1610#true} ~x~0 := 5; {1614#(<= 5 main_~x~0)} is VALID [2020-07-17 22:20:41,057 INFO L263 TraceCheckUtils]: 5: Hoare triple {1614#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {1610#true} is VALID [2020-07-17 22:20:41,057 INFO L280 TraceCheckUtils]: 6: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-17 22:20:41,057 INFO L280 TraceCheckUtils]: 7: Hoare triple {1610#true} assume !(~n < 1); {1610#true} is VALID [2020-07-17 22:20:41,057 INFO L280 TraceCheckUtils]: 8: Hoare triple {1610#true} assume !(1 == ~n); {1610#true} is VALID [2020-07-17 22:20:41,057 INFO L263 TraceCheckUtils]: 9: Hoare triple {1610#true} call #t~ret0 := fibo2(~n - 1); {1610#true} is VALID [2020-07-17 22:20:41,058 INFO L280 TraceCheckUtils]: 10: Hoare triple {1610#true} ~n := #in~n; {1669#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:41,059 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 22:20:41,060 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 22:20:41,060 INFO L263 TraceCheckUtils]: 13: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {1610#true} is VALID [2020-07-17 22:20:41,060 INFO L280 TraceCheckUtils]: 14: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-17 22:20:41,061 INFO L280 TraceCheckUtils]: 15: Hoare triple {1610#true} assume !(~n < 1); {1610#true} is VALID [2020-07-17 22:20:41,061 INFO L280 TraceCheckUtils]: 16: Hoare triple {1610#true} assume 1 == ~n;#res := 1; {1610#true} is VALID [2020-07-17 22:20:41,061 INFO L280 TraceCheckUtils]: 17: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-17 22:20:41,062 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 22:20:41,062 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 22:20:41,063 INFO L263 TraceCheckUtils]: 20: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {1610#true} is VALID [2020-07-17 22:20:41,063 INFO L280 TraceCheckUtils]: 21: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-17 22:20:41,063 INFO L280 TraceCheckUtils]: 22: Hoare triple {1610#true} assume ~n < 1;#res := 0; {1610#true} is VALID [2020-07-17 22:20:41,063 INFO L280 TraceCheckUtils]: 23: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-17 22:20:41,064 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 22:20:41,065 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 22:20:41,065 INFO L280 TraceCheckUtils]: 26: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} assume true; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:41,067 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {1671#(<= 2 |fibo2_#in~n|)} {1610#true} #57#return; {1664#(<= 3 fibo1_~n)} is VALID [2020-07-17 22:20:41,067 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 22:20:41,068 INFO L263 TraceCheckUtils]: 29: Hoare triple {1664#(<= 3 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {1610#true} is VALID [2020-07-17 22:20:41,068 INFO L280 TraceCheckUtils]: 30: Hoare triple {1610#true} ~n := #in~n; {1669#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:41,069 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 22:20:41,070 INFO L280 TraceCheckUtils]: 32: Hoare triple {1681#(<= |fibo2_#in~n| 0)} assume true; {1681#(<= |fibo2_#in~n| 0)} is VALID [2020-07-17 22:20:41,071 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {1681#(<= |fibo2_#in~n| 0)} {1664#(<= 3 fibo1_~n)} #59#return; {1611#false} is VALID [2020-07-17 22:20:41,071 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 22:20:41,071 INFO L280 TraceCheckUtils]: 35: Hoare triple {1611#false} assume true; {1611#false} is VALID [2020-07-17 22:20:41,071 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {1611#false} {1614#(<= 5 main_~x~0)} #51#return; {1611#false} is VALID [2020-07-17 22:20:41,072 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 22:20:41,072 INFO L280 TraceCheckUtils]: 38: Hoare triple {1611#false} assume 5 == ~result~0; {1611#false} is VALID [2020-07-17 22:20:41,072 INFO L280 TraceCheckUtils]: 39: Hoare triple {1611#false} assume !false; {1611#false} is VALID [2020-07-17 22:20:41,074 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 22:20:41,074 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032836215] [2020-07-17 22:20:41,074 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574668738] [2020-07-17 22:20:41,074 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) [2020-07-17 22:20:41,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:41,111 INFO L264 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 8 conjunts are in the unsatisfiable core Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:20:41,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:41,128 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 22:20:41,313 INFO L263 TraceCheckUtils]: 0: Hoare triple {1610#true} call ULTIMATE.init(); {1610#true} is VALID [2020-07-17 22:20:41,313 INFO L280 TraceCheckUtils]: 1: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-17 22:20:41,313 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1610#true} {1610#true} #47#return; {1610#true} is VALID [2020-07-17 22:20:41,313 INFO L263 TraceCheckUtils]: 3: Hoare triple {1610#true} call #t~ret5 := main(); {1610#true} is VALID [2020-07-17 22:20:41,314 INFO L280 TraceCheckUtils]: 4: Hoare triple {1610#true} ~x~0 := 5; {1614#(<= 5 main_~x~0)} is VALID [2020-07-17 22:20:41,315 INFO L263 TraceCheckUtils]: 5: Hoare triple {1614#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {1610#true} is VALID [2020-07-17 22:20:41,315 INFO L280 TraceCheckUtils]: 6: Hoare triple {1610#true} ~n := #in~n; {1703#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:41,316 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 22:20:41,316 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 22:20:41,316 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 22:20:41,317 INFO L280 TraceCheckUtils]: 10: Hoare triple {1610#true} ~n := #in~n; {1716#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:41,317 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 22:20:41,318 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 22:20:41,318 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 22:20:41,318 INFO L280 TraceCheckUtils]: 14: Hoare triple {1610#true} ~n := #in~n; {1703#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:41,319 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 22:20:41,319 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 22:20:41,320 INFO L280 TraceCheckUtils]: 17: Hoare triple {1735#(<= |fibo1_#in~n| 1)} assume true; {1735#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:41,321 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 22:20:41,321 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 22:20:41,321 INFO L263 TraceCheckUtils]: 20: Hoare triple {1742#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {1610#true} is VALID [2020-07-17 22:20:41,321 INFO L280 TraceCheckUtils]: 21: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-17 22:20:41,321 INFO L280 TraceCheckUtils]: 22: Hoare triple {1610#true} assume ~n < 1;#res := 0; {1610#true} is VALID [2020-07-17 22:20:41,322 INFO L280 TraceCheckUtils]: 23: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-17 22:20:41,322 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 22:20:41,323 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 22:20:41,323 INFO L280 TraceCheckUtils]: 26: Hoare triple {1742#(<= |fibo2_#in~n| 2)} assume true; {1742#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:41,324 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 22:20:41,325 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 22:20:41,325 INFO L263 TraceCheckUtils]: 29: Hoare triple {1770#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {1610#true} is VALID [2020-07-17 22:20:41,325 INFO L280 TraceCheckUtils]: 30: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-17 22:20:41,326 INFO L280 TraceCheckUtils]: 31: Hoare triple {1610#true} assume ~n < 1;#res := 0; {1610#true} is VALID [2020-07-17 22:20:41,326 INFO L280 TraceCheckUtils]: 32: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-17 22:20:41,327 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 22:20:41,327 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 22:20:41,328 INFO L280 TraceCheckUtils]: 35: Hoare triple {1770#(<= |fibo1_#in~n| 3)} assume true; {1770#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:41,329 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {1770#(<= |fibo1_#in~n| 3)} {1614#(<= 5 main_~x~0)} #51#return; {1611#false} is VALID [2020-07-17 22:20:41,329 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 22:20:41,329 INFO L280 TraceCheckUtils]: 38: Hoare triple {1611#false} assume 5 == ~result~0; {1611#false} is VALID [2020-07-17 22:20:41,329 INFO L280 TraceCheckUtils]: 39: Hoare triple {1611#false} assume !false; {1611#false} is VALID [2020-07-17 22:20:41,331 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 22:20:41,331 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 22:20:41,331 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2020-07-17 22:20:41,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29328987] [2020-07-17 22:20:41,332 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 40 [2020-07-17 22:20:41,333 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:20:41,333 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states. [2020-07-17 22:20:41,404 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 22:20:41,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-17 22:20:41,404 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:20:41,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-17 22:20:41,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-07-17 22:20:41,405 INFO L87 Difference]: Start difference. First operand 66 states and 95 transitions. Second operand 13 states. [2020-07-17 22:20:43,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:43,075 INFO L93 Difference]: Finished difference Result 180 states and 324 transitions. [2020-07-17 22:20:43,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-17 22:20:43,075 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 40 [2020-07-17 22:20:43,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:20:43,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-07-17 22:20:43,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 133 transitions. [2020-07-17 22:20:43,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-07-17 22:20:43,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 133 transitions. [2020-07-17 22:20:43,087 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states and 133 transitions. [2020-07-17 22:20:43,244 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 22:20:43,252 INFO L225 Difference]: With dead ends: 180 [2020-07-17 22:20:43,252 INFO L226 Difference]: Without dead ends: 120 [2020-07-17 22:20:43,254 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 22:20:43,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-07-17 22:20:43,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 106. [2020-07-17 22:20:43,340 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:20:43,340 INFO L82 GeneralOperation]: Start isEquivalent. First operand 120 states. Second operand 106 states. [2020-07-17 22:20:43,340 INFO L74 IsIncluded]: Start isIncluded. First operand 120 states. Second operand 106 states. [2020-07-17 22:20:43,341 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 106 states. [2020-07-17 22:20:43,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:43,351 INFO L93 Difference]: Finished difference Result 120 states and 198 transitions. [2020-07-17 22:20:43,352 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 198 transitions. [2020-07-17 22:20:43,353 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:43,353 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:43,354 INFO L74 IsIncluded]: Start isIncluded. First operand 106 states. Second operand 120 states. [2020-07-17 22:20:43,354 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 120 states. [2020-07-17 22:20:43,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:43,364 INFO L93 Difference]: Finished difference Result 120 states and 198 transitions. [2020-07-17 22:20:43,364 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 198 transitions. [2020-07-17 22:20:43,365 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:43,366 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:43,366 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:20:43,366 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:20:43,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-07-17 22:20:43,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 169 transitions. [2020-07-17 22:20:43,374 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 169 transitions. Word has length 40 [2020-07-17 22:20:43,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:20:43,374 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 169 transitions. [2020-07-17 22:20:43,374 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-17 22:20:43,374 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 169 transitions. [2020-07-17 22:20:43,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-07-17 22:20:43,376 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:20:43,377 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 22:20:43,589 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:20:43,590 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:20:43,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:20:43,591 INFO L82 PathProgramCache]: Analyzing trace with hash -405677468, now seen corresponding path program 1 times [2020-07-17 22:20:43,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:20:43,592 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902094869] [2020-07-17 22:20:43,592 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:20:43,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:43,635 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:43,635 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2439#true} {2439#true} #47#return; {2439#true} is VALID [2020-07-17 22:20:43,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:43,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:43,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:43,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:43,852 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:43,852 INFO L280 TraceCheckUtils]: 1: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:43,852 INFO L280 TraceCheckUtils]: 2: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-17 22:20:43,852 INFO L280 TraceCheckUtils]: 3: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:43,854 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 22:20:43,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:43,860 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:43,861 INFO L280 TraceCheckUtils]: 1: Hoare triple {2439#true} assume ~n < 1;#res := 0; {2439#true} is VALID [2020-07-17 22:20:43,861 INFO L280 TraceCheckUtils]: 2: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:43,862 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 22:20:43,863 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:43,864 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 22:20:43,864 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 22:20:43,865 INFO L263 TraceCheckUtils]: 3: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {2439#true} is VALID [2020-07-17 22:20:43,865 INFO L280 TraceCheckUtils]: 4: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:43,865 INFO L280 TraceCheckUtils]: 5: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:43,865 INFO L280 TraceCheckUtils]: 6: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-17 22:20:43,866 INFO L280 TraceCheckUtils]: 7: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:43,867 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 22:20:43,867 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 22:20:43,868 INFO L263 TraceCheckUtils]: 10: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-17 22:20:43,868 INFO L280 TraceCheckUtils]: 11: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:43,868 INFO L280 TraceCheckUtils]: 12: Hoare triple {2439#true} assume ~n < 1;#res := 0; {2439#true} is VALID [2020-07-17 22:20:43,869 INFO L280 TraceCheckUtils]: 13: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:43,873 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 22:20:43,874 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 22:20:43,880 INFO L280 TraceCheckUtils]: 16: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} assume true; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:43,881 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {2550#(<= 2 |fibo1_#in~n|)} {2439#true} #53#return; {2543#(<= 3 fibo2_~n)} is VALID [2020-07-17 22:20:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:43,906 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:43,907 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 22:20:43,908 INFO L280 TraceCheckUtils]: 2: Hoare triple {2560#(<= |fibo1_#in~n| 0)} assume true; {2560#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:43,909 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2560#(<= |fibo1_#in~n| 0)} {2543#(<= 3 fibo2_~n)} #55#return; {2440#false} is VALID [2020-07-17 22:20:43,910 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:43,910 INFO L280 TraceCheckUtils]: 1: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:43,910 INFO L280 TraceCheckUtils]: 2: Hoare triple {2439#true} assume !(1 == ~n); {2439#true} is VALID [2020-07-17 22:20:43,911 INFO L263 TraceCheckUtils]: 3: Hoare triple {2439#true} call #t~ret2 := fibo1(~n - 1); {2439#true} is VALID [2020-07-17 22:20:43,911 INFO L280 TraceCheckUtils]: 4: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:43,912 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 22:20:43,913 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 22:20:43,913 INFO L263 TraceCheckUtils]: 7: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {2439#true} is VALID [2020-07-17 22:20:43,914 INFO L280 TraceCheckUtils]: 8: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:43,914 INFO L280 TraceCheckUtils]: 9: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:43,914 INFO L280 TraceCheckUtils]: 10: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-17 22:20:43,914 INFO L280 TraceCheckUtils]: 11: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:43,915 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 22:20:43,916 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 22:20:43,916 INFO L263 TraceCheckUtils]: 14: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-17 22:20:43,916 INFO L280 TraceCheckUtils]: 15: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:43,916 INFO L280 TraceCheckUtils]: 16: Hoare triple {2439#true} assume ~n < 1;#res := 0; {2439#true} is VALID [2020-07-17 22:20:43,917 INFO L280 TraceCheckUtils]: 17: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:43,918 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 22:20:43,918 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 22:20:43,919 INFO L280 TraceCheckUtils]: 20: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} assume true; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:43,920 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {2550#(<= 2 |fibo1_#in~n|)} {2439#true} #53#return; {2543#(<= 3 fibo2_~n)} is VALID [2020-07-17 22:20:43,920 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 22:20:43,921 INFO L263 TraceCheckUtils]: 23: Hoare triple {2543#(<= 3 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {2439#true} is VALID [2020-07-17 22:20:43,921 INFO L280 TraceCheckUtils]: 24: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:43,922 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 22:20:43,923 INFO L280 TraceCheckUtils]: 26: Hoare triple {2560#(<= |fibo1_#in~n| 0)} assume true; {2560#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:43,924 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {2560#(<= |fibo1_#in~n| 0)} {2543#(<= 3 fibo2_~n)} #55#return; {2440#false} is VALID [2020-07-17 22:20:43,924 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 22:20:43,924 INFO L280 TraceCheckUtils]: 29: Hoare triple {2440#false} assume true; {2440#false} is VALID [2020-07-17 22:20:43,924 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {2440#false} {2439#true} #57#return; {2440#false} is VALID [2020-07-17 22:20:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:43,932 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:43,932 INFO L280 TraceCheckUtils]: 1: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:43,933 INFO L280 TraceCheckUtils]: 2: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-17 22:20:43,933 INFO L280 TraceCheckUtils]: 3: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:43,933 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2439#true} {2440#false} #59#return; {2440#false} is VALID [2020-07-17 22:20:43,933 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:43,934 INFO L280 TraceCheckUtils]: 1: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:43,934 INFO L280 TraceCheckUtils]: 2: Hoare triple {2439#true} assume !(1 == ~n); {2439#true} is VALID [2020-07-17 22:20:43,934 INFO L263 TraceCheckUtils]: 3: Hoare triple {2439#true} call #t~ret0 := fibo2(~n - 1); {2439#true} is VALID [2020-07-17 22:20:43,934 INFO L280 TraceCheckUtils]: 4: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:43,935 INFO L280 TraceCheckUtils]: 5: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:43,935 INFO L280 TraceCheckUtils]: 6: Hoare triple {2439#true} assume !(1 == ~n); {2439#true} is VALID [2020-07-17 22:20:43,935 INFO L263 TraceCheckUtils]: 7: Hoare triple {2439#true} call #t~ret2 := fibo1(~n - 1); {2439#true} is VALID [2020-07-17 22:20:43,936 INFO L280 TraceCheckUtils]: 8: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:43,937 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 22:20:43,937 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 22:20:43,938 INFO L263 TraceCheckUtils]: 11: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {2439#true} is VALID [2020-07-17 22:20:43,938 INFO L280 TraceCheckUtils]: 12: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:43,938 INFO L280 TraceCheckUtils]: 13: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:43,938 INFO L280 TraceCheckUtils]: 14: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-17 22:20:43,938 INFO L280 TraceCheckUtils]: 15: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:43,939 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 22:20:43,940 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 22:20:43,940 INFO L263 TraceCheckUtils]: 18: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-17 22:20:43,940 INFO L280 TraceCheckUtils]: 19: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:43,940 INFO L280 TraceCheckUtils]: 20: Hoare triple {2439#true} assume ~n < 1;#res := 0; {2439#true} is VALID [2020-07-17 22:20:43,941 INFO L280 TraceCheckUtils]: 21: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:43,942 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 22:20:43,942 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 22:20:43,943 INFO L280 TraceCheckUtils]: 24: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} assume true; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:43,944 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {2550#(<= 2 |fibo1_#in~n|)} {2439#true} #53#return; {2543#(<= 3 fibo2_~n)} is VALID [2020-07-17 22:20:43,944 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 22:20:43,945 INFO L263 TraceCheckUtils]: 27: Hoare triple {2543#(<= 3 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {2439#true} is VALID [2020-07-17 22:20:43,945 INFO L280 TraceCheckUtils]: 28: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:43,946 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 22:20:43,946 INFO L280 TraceCheckUtils]: 30: Hoare triple {2560#(<= |fibo1_#in~n| 0)} assume true; {2560#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:43,947 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {2560#(<= |fibo1_#in~n| 0)} {2543#(<= 3 fibo2_~n)} #55#return; {2440#false} is VALID [2020-07-17 22:20:43,948 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 22:20:43,948 INFO L280 TraceCheckUtils]: 33: Hoare triple {2440#false} assume true; {2440#false} is VALID [2020-07-17 22:20:43,948 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {2440#false} {2439#true} #57#return; {2440#false} is VALID [2020-07-17 22:20:43,948 INFO L280 TraceCheckUtils]: 35: Hoare triple {2440#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2440#false} is VALID [2020-07-17 22:20:43,948 INFO L263 TraceCheckUtils]: 36: Hoare triple {2440#false} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-17 22:20:43,949 INFO L280 TraceCheckUtils]: 37: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:43,949 INFO L280 TraceCheckUtils]: 38: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:43,949 INFO L280 TraceCheckUtils]: 39: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-17 22:20:43,949 INFO L280 TraceCheckUtils]: 40: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:43,950 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {2439#true} {2440#false} #59#return; {2440#false} is VALID [2020-07-17 22:20:43,950 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 22:20:43,950 INFO L280 TraceCheckUtils]: 43: Hoare triple {2440#false} assume true; {2440#false} is VALID [2020-07-17 22:20:43,950 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {2440#false} {2443#(<= 5 main_~x~0)} #51#return; {2440#false} is VALID [2020-07-17 22:20:43,952 INFO L263 TraceCheckUtils]: 0: Hoare triple {2439#true} call ULTIMATE.init(); {2439#true} is VALID [2020-07-17 22:20:43,952 INFO L280 TraceCheckUtils]: 1: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:43,952 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2439#true} {2439#true} #47#return; {2439#true} is VALID [2020-07-17 22:20:43,952 INFO L263 TraceCheckUtils]: 3: Hoare triple {2439#true} call #t~ret5 := main(); {2439#true} is VALID [2020-07-17 22:20:43,953 INFO L280 TraceCheckUtils]: 4: Hoare triple {2439#true} ~x~0 := 5; {2443#(<= 5 main_~x~0)} is VALID [2020-07-17 22:20:43,953 INFO L263 TraceCheckUtils]: 5: Hoare triple {2443#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {2439#true} is VALID [2020-07-17 22:20:43,953 INFO L280 TraceCheckUtils]: 6: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:43,953 INFO L280 TraceCheckUtils]: 7: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:43,953 INFO L280 TraceCheckUtils]: 8: Hoare triple {2439#true} assume !(1 == ~n); {2439#true} is VALID [2020-07-17 22:20:43,953 INFO L263 TraceCheckUtils]: 9: Hoare triple {2439#true} call #t~ret0 := fibo2(~n - 1); {2439#true} is VALID [2020-07-17 22:20:43,954 INFO L280 TraceCheckUtils]: 10: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:43,954 INFO L280 TraceCheckUtils]: 11: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:43,954 INFO L280 TraceCheckUtils]: 12: Hoare triple {2439#true} assume !(1 == ~n); {2439#true} is VALID [2020-07-17 22:20:43,954 INFO L263 TraceCheckUtils]: 13: Hoare triple {2439#true} call #t~ret2 := fibo1(~n - 1); {2439#true} is VALID [2020-07-17 22:20:43,954 INFO L280 TraceCheckUtils]: 14: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:43,955 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 22:20:43,956 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 22:20:43,956 INFO L263 TraceCheckUtils]: 17: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {2439#true} is VALID [2020-07-17 22:20:43,956 INFO L280 TraceCheckUtils]: 18: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:43,956 INFO L280 TraceCheckUtils]: 19: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:43,956 INFO L280 TraceCheckUtils]: 20: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-17 22:20:43,956 INFO L280 TraceCheckUtils]: 21: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:43,957 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 22:20:43,957 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 22:20:43,957 INFO L263 TraceCheckUtils]: 24: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-17 22:20:43,958 INFO L280 TraceCheckUtils]: 25: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:43,958 INFO L280 TraceCheckUtils]: 26: Hoare triple {2439#true} assume ~n < 1;#res := 0; {2439#true} is VALID [2020-07-17 22:20:43,958 INFO L280 TraceCheckUtils]: 27: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:43,959 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 22:20:43,960 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 22:20:43,962 INFO L280 TraceCheckUtils]: 30: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} assume true; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:43,963 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {2550#(<= 2 |fibo1_#in~n|)} {2439#true} #53#return; {2543#(<= 3 fibo2_~n)} is VALID [2020-07-17 22:20:43,964 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 22:20:43,964 INFO L263 TraceCheckUtils]: 33: Hoare triple {2543#(<= 3 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {2439#true} is VALID [2020-07-17 22:20:43,964 INFO L280 TraceCheckUtils]: 34: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:43,965 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 22:20:43,965 INFO L280 TraceCheckUtils]: 36: Hoare triple {2560#(<= |fibo1_#in~n| 0)} assume true; {2560#(<= |fibo1_#in~n| 0)} is VALID [2020-07-17 22:20:43,966 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {2560#(<= |fibo1_#in~n| 0)} {2543#(<= 3 fibo2_~n)} #55#return; {2440#false} is VALID [2020-07-17 22:20:43,966 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 22:20:43,966 INFO L280 TraceCheckUtils]: 39: Hoare triple {2440#false} assume true; {2440#false} is VALID [2020-07-17 22:20:43,967 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {2440#false} {2439#true} #57#return; {2440#false} is VALID [2020-07-17 22:20:43,967 INFO L280 TraceCheckUtils]: 41: Hoare triple {2440#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2440#false} is VALID [2020-07-17 22:20:43,968 INFO L263 TraceCheckUtils]: 42: Hoare triple {2440#false} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-17 22:20:43,968 INFO L280 TraceCheckUtils]: 43: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:43,968 INFO L280 TraceCheckUtils]: 44: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:43,968 INFO L280 TraceCheckUtils]: 45: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-17 22:20:43,969 INFO L280 TraceCheckUtils]: 46: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:43,969 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {2439#true} {2440#false} #59#return; {2440#false} is VALID [2020-07-17 22:20:43,970 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 22:20:43,970 INFO L280 TraceCheckUtils]: 49: Hoare triple {2440#false} assume true; {2440#false} is VALID [2020-07-17 22:20:43,970 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {2440#false} {2443#(<= 5 main_~x~0)} #51#return; {2440#false} is VALID [2020-07-17 22:20:43,970 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 22:20:43,971 INFO L280 TraceCheckUtils]: 52: Hoare triple {2440#false} assume 5 == ~result~0; {2440#false} is VALID [2020-07-17 22:20:43,971 INFO L280 TraceCheckUtils]: 53: Hoare triple {2440#false} assume !false; {2440#false} is VALID [2020-07-17 22:20:43,973 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 22:20:43,973 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902094869] [2020-07-17 22:20:43,973 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884522242] [2020-07-17 22:20:43,974 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 22:20:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:44,010 INFO L264 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-17 22:20:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:44,023 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 22:20:44,242 INFO L263 TraceCheckUtils]: 0: Hoare triple {2439#true} call ULTIMATE.init(); {2439#true} is VALID [2020-07-17 22:20:44,242 INFO L280 TraceCheckUtils]: 1: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:44,242 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2439#true} {2439#true} #47#return; {2439#true} is VALID [2020-07-17 22:20:44,242 INFO L263 TraceCheckUtils]: 3: Hoare triple {2439#true} call #t~ret5 := main(); {2439#true} is VALID [2020-07-17 22:20:44,243 INFO L280 TraceCheckUtils]: 4: Hoare triple {2439#true} ~x~0 := 5; {2443#(<= 5 main_~x~0)} is VALID [2020-07-17 22:20:44,243 INFO L263 TraceCheckUtils]: 5: Hoare triple {2443#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {2439#true} is VALID [2020-07-17 22:20:44,244 INFO L280 TraceCheckUtils]: 6: Hoare triple {2439#true} ~n := #in~n; {2582#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:44,245 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 22:20:44,246 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 22:20:44,246 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 22:20:44,247 INFO L280 TraceCheckUtils]: 10: Hoare triple {2439#true} ~n := #in~n; {2595#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:44,248 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 22:20:44,248 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 22:20:44,249 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 22:20:44,249 INFO L280 TraceCheckUtils]: 14: Hoare triple {2439#true} ~n := #in~n; {2582#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:44,250 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 22:20:44,251 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 22:20:44,251 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 22:20:44,251 INFO L280 TraceCheckUtils]: 18: Hoare triple {2439#true} ~n := #in~n; {2595#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:44,252 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 22:20:44,253 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 22:20:44,253 INFO L280 TraceCheckUtils]: 21: Hoare triple {2626#(<= |fibo2_#in~n| 1)} assume true; {2626#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:44,255 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 22:20:44,256 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 22:20:44,256 INFO L263 TraceCheckUtils]: 24: Hoare triple {2633#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-17 22:20:44,257 INFO L280 TraceCheckUtils]: 25: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:44,257 INFO L280 TraceCheckUtils]: 26: Hoare triple {2439#true} assume ~n < 1;#res := 0; {2439#true} is VALID [2020-07-17 22:20:44,257 INFO L280 TraceCheckUtils]: 27: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:44,258 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 22:20:44,262 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 22:20:44,266 INFO L280 TraceCheckUtils]: 30: Hoare triple {2633#(<= |fibo1_#in~n| 2)} assume true; {2633#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:44,267 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 22:20:44,268 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 22:20:44,268 INFO L263 TraceCheckUtils]: 33: Hoare triple {2661#(<= |fibo2_#in~n| 3)} call #t~ret3 := fibo1(~n - 2); {2439#true} is VALID [2020-07-17 22:20:44,269 INFO L280 TraceCheckUtils]: 34: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:44,269 INFO L280 TraceCheckUtils]: 35: Hoare triple {2439#true} assume ~n < 1;#res := 0; {2439#true} is VALID [2020-07-17 22:20:44,269 INFO L280 TraceCheckUtils]: 36: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:44,270 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 22:20:44,271 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 22:20:44,271 INFO L280 TraceCheckUtils]: 39: Hoare triple {2661#(<= |fibo2_#in~n| 3)} assume true; {2661#(<= |fibo2_#in~n| 3)} is VALID [2020-07-17 22:20:44,272 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 22:20:44,273 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 22:20:44,273 INFO L263 TraceCheckUtils]: 42: Hoare triple {2689#(<= |fibo1_#in~n| 4)} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-17 22:20:44,274 INFO L280 TraceCheckUtils]: 43: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-17 22:20:44,274 INFO L280 TraceCheckUtils]: 44: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-17 22:20:44,274 INFO L280 TraceCheckUtils]: 45: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-17 22:20:44,274 INFO L280 TraceCheckUtils]: 46: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-17 22:20:44,276 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 22:20:44,276 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 22:20:44,277 INFO L280 TraceCheckUtils]: 49: Hoare triple {2689#(<= |fibo1_#in~n| 4)} assume true; {2689#(<= |fibo1_#in~n| 4)} is VALID [2020-07-17 22:20:44,278 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {2689#(<= |fibo1_#in~n| 4)} {2443#(<= 5 main_~x~0)} #51#return; {2440#false} is VALID [2020-07-17 22:20:44,279 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 22:20:44,279 INFO L280 TraceCheckUtils]: 52: Hoare triple {2440#false} assume 5 == ~result~0; {2440#false} is VALID [2020-07-17 22:20:44,279 INFO L280 TraceCheckUtils]: 53: Hoare triple {2440#false} assume !false; {2440#false} is VALID [2020-07-17 22:20:44,282 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 22:20:44,282 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 22:20:44,282 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 14 [2020-07-17 22:20:44,283 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63882918] [2020-07-17 22:20:44,284 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 54 [2020-07-17 22:20:44,285 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:20:44,285 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states. [2020-07-17 22:20:44,375 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 22:20:44,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-17 22:20:44,375 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:20:44,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-17 22:20:44,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-07-17 22:20:44,376 INFO L87 Difference]: Start difference. First operand 106 states and 169 transitions. Second operand 14 states. [2020-07-17 22:20:46,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:46,365 INFO L93 Difference]: Finished difference Result 258 states and 498 transitions. [2020-07-17 22:20:46,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-17 22:20:46,365 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 54 [2020-07-17 22:20:46,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:20:46,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-17 22:20:46,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 164 transitions. [2020-07-17 22:20:46,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-17 22:20:46,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 164 transitions. [2020-07-17 22:20:46,379 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states and 164 transitions. [2020-07-17 22:20:46,615 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 22:20:46,625 INFO L225 Difference]: With dead ends: 258 [2020-07-17 22:20:46,626 INFO L226 Difference]: Without dead ends: 158 [2020-07-17 22:20:46,628 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 22:20:46,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-07-17 22:20:46,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 112. [2020-07-17 22:20:46,744 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:20:46,744 INFO L82 GeneralOperation]: Start isEquivalent. First operand 158 states. Second operand 112 states. [2020-07-17 22:20:46,745 INFO L74 IsIncluded]: Start isIncluded. First operand 158 states. Second operand 112 states. [2020-07-17 22:20:46,745 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 112 states. [2020-07-17 22:20:46,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:46,765 INFO L93 Difference]: Finished difference Result 158 states and 275 transitions. [2020-07-17 22:20:46,765 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 275 transitions. [2020-07-17 22:20:46,768 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:46,768 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:46,768 INFO L74 IsIncluded]: Start isIncluded. First operand 112 states. Second operand 158 states. [2020-07-17 22:20:46,768 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 158 states. [2020-07-17 22:20:46,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:46,786 INFO L93 Difference]: Finished difference Result 158 states and 275 transitions. [2020-07-17 22:20:46,787 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 275 transitions. [2020-07-17 22:20:46,789 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:46,789 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:46,790 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:20:46,790 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:20:46,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-07-17 22:20:46,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 180 transitions. [2020-07-17 22:20:46,799 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 180 transitions. Word has length 54 [2020-07-17 22:20:46,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:20:46,799 INFO L479 AbstractCegarLoop]: Abstraction has 112 states and 180 transitions. [2020-07-17 22:20:46,800 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-17 22:20:46,800 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 180 transitions. [2020-07-17 22:20:46,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-07-17 22:20:46,804 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:20:46,804 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 22:20:47,019 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-07-17 22:20:47,020 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:20:47,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:20:47,021 INFO L82 PathProgramCache]: Analyzing trace with hash -2119203654, now seen corresponding path program 1 times [2020-07-17 22:20:47,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:20:47,022 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419521041] [2020-07-17 22:20:47,022 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:20:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:47,093 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,093 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3550#true} {3550#true} #47#return; {3550#true} is VALID [2020-07-17 22:20:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:47,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:47,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:47,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:47,285 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,286 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,286 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:47,286 INFO L280 TraceCheckUtils]: 3: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,287 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 22:20:47,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:47,292 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,292 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:47,292 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,293 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 22:20:47,294 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3811#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:47,295 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 22:20:47,297 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 22:20:47,297 INFO L263 TraceCheckUtils]: 3: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:47,297 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,298 INFO L280 TraceCheckUtils]: 5: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,298 INFO L280 TraceCheckUtils]: 6: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:47,298 INFO L280 TraceCheckUtils]: 7: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,299 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 22:20:47,300 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 22:20:47,300 INFO L263 TraceCheckUtils]: 10: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:47,300 INFO L280 TraceCheckUtils]: 11: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,301 INFO L280 TraceCheckUtils]: 12: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:47,301 INFO L280 TraceCheckUtils]: 13: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,302 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 22:20:47,302 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 22:20:47,303 INFO L280 TraceCheckUtils]: 16: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume true; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:47,304 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 22:20:47,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:47,316 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,316 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,317 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:47,317 INFO L280 TraceCheckUtils]: 3: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,318 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 22:20:47,319 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:47,319 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 22:20:47,320 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 22:20:47,320 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 22:20:47,321 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~n := #in~n; {3811#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:47,322 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 22:20:47,322 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 22:20:47,323 INFO L263 TraceCheckUtils]: 7: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:47,323 INFO L280 TraceCheckUtils]: 8: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,323 INFO L280 TraceCheckUtils]: 9: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,323 INFO L280 TraceCheckUtils]: 10: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:47,324 INFO L280 TraceCheckUtils]: 11: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,325 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 22:20:47,325 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 22:20:47,326 INFO L263 TraceCheckUtils]: 14: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:47,326 INFO L280 TraceCheckUtils]: 15: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,326 INFO L280 TraceCheckUtils]: 16: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:47,326 INFO L280 TraceCheckUtils]: 17: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,327 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 22:20:47,328 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 22:20:47,328 INFO L280 TraceCheckUtils]: 20: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume true; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:47,330 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 22:20:47,331 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 22:20:47,331 INFO L263 TraceCheckUtils]: 23: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-17 22:20:47,331 INFO L280 TraceCheckUtils]: 24: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,331 INFO L280 TraceCheckUtils]: 25: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,332 INFO L280 TraceCheckUtils]: 26: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:47,332 INFO L280 TraceCheckUtils]: 27: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,333 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 22:20:47,333 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 22:20:47,334 INFO L280 TraceCheckUtils]: 30: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} assume true; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:47,335 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {3805#(<= 3 |fibo1_#in~n|)} {3550#true} #53#return; {3780#(<= 4 fibo2_~n)} is VALID [2020-07-17 22:20:47,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:47,357 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:47,358 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 22:20:47,358 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 22:20:47,359 INFO L280 TraceCheckUtils]: 3: Hoare triple {3823#(<= |fibo1_#in~n| 1)} assume true; {3823#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:47,360 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3823#(<= |fibo1_#in~n| 1)} {3780#(<= 4 fibo2_~n)} #55#return; {3551#false} is VALID [2020-07-17 22:20:47,361 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,361 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,361 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:47,361 INFO L263 TraceCheckUtils]: 3: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:47,362 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:47,362 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 22:20:47,363 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 22:20:47,363 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 22:20:47,364 INFO L280 TraceCheckUtils]: 8: Hoare triple {3550#true} ~n := #in~n; {3811#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:47,365 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 22:20:47,365 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 22:20:47,366 INFO L263 TraceCheckUtils]: 11: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:47,366 INFO L280 TraceCheckUtils]: 12: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,366 INFO L280 TraceCheckUtils]: 13: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,366 INFO L280 TraceCheckUtils]: 14: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:47,367 INFO L280 TraceCheckUtils]: 15: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,368 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 22:20:47,368 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 22:20:47,369 INFO L263 TraceCheckUtils]: 18: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:47,369 INFO L280 TraceCheckUtils]: 19: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,369 INFO L280 TraceCheckUtils]: 20: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:47,369 INFO L280 TraceCheckUtils]: 21: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,370 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 22:20:47,371 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 22:20:47,372 INFO L280 TraceCheckUtils]: 24: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume true; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:47,373 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 22:20:47,374 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 22:20:47,374 INFO L263 TraceCheckUtils]: 27: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-17 22:20:47,374 INFO L280 TraceCheckUtils]: 28: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,374 INFO L280 TraceCheckUtils]: 29: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,374 INFO L280 TraceCheckUtils]: 30: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:47,375 INFO L280 TraceCheckUtils]: 31: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,376 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 22:20:47,376 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 22:20:47,377 INFO L280 TraceCheckUtils]: 34: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} assume true; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:47,378 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {3805#(<= 3 |fibo1_#in~n|)} {3550#true} #53#return; {3780#(<= 4 fibo2_~n)} is VALID [2020-07-17 22:20:47,379 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 22:20:47,379 INFO L263 TraceCheckUtils]: 37: Hoare triple {3780#(<= 4 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:47,380 INFO L280 TraceCheckUtils]: 38: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:47,381 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 22:20:47,381 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 22:20:47,382 INFO L280 TraceCheckUtils]: 41: Hoare triple {3823#(<= |fibo1_#in~n| 1)} assume true; {3823#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:47,383 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {3823#(<= |fibo1_#in~n| 1)} {3780#(<= 4 fibo2_~n)} #55#return; {3551#false} is VALID [2020-07-17 22:20:47,384 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 22:20:47,384 INFO L280 TraceCheckUtils]: 44: Hoare triple {3551#false} assume true; {3551#false} is VALID [2020-07-17 22:20:47,384 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {3551#false} {3550#true} #57#return; {3551#false} is VALID [2020-07-17 22:20:47,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:47,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:47,421 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,422 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,422 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:47,422 INFO L280 TraceCheckUtils]: 3: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,422 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-17 22:20:47,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:47,427 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,427 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:47,427 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,428 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-17 22:20:47,428 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,428 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,428 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:47,429 INFO L263 TraceCheckUtils]: 3: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:47,429 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,429 INFO L280 TraceCheckUtils]: 5: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,430 INFO L280 TraceCheckUtils]: 6: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:47,430 INFO L280 TraceCheckUtils]: 7: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,430 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-17 22:20:47,430 INFO L280 TraceCheckUtils]: 9: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:47,431 INFO L263 TraceCheckUtils]: 10: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:47,431 INFO L280 TraceCheckUtils]: 11: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,431 INFO L280 TraceCheckUtils]: 12: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:47,431 INFO L280 TraceCheckUtils]: 13: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,432 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-17 22:20:47,432 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 22:20:47,432 INFO L280 TraceCheckUtils]: 16: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,432 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {3550#true} {3550#true} #57#return; {3550#true} is VALID [2020-07-17 22:20:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:47,437 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,437 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,437 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:47,438 INFO L280 TraceCheckUtils]: 3: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,438 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3550#true} {3550#true} #59#return; {3550#true} is VALID [2020-07-17 22:20:47,438 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,438 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,439 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:47,439 INFO L263 TraceCheckUtils]: 3: Hoare triple {3550#true} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-17 22:20:47,439 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,439 INFO L280 TraceCheckUtils]: 5: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,440 INFO L280 TraceCheckUtils]: 6: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:47,440 INFO L263 TraceCheckUtils]: 7: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:47,440 INFO L280 TraceCheckUtils]: 8: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,440 INFO L280 TraceCheckUtils]: 9: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,440 INFO L280 TraceCheckUtils]: 10: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:47,441 INFO L280 TraceCheckUtils]: 11: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,441 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-17 22:20:47,441 INFO L280 TraceCheckUtils]: 13: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:47,441 INFO L263 TraceCheckUtils]: 14: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:47,442 INFO L280 TraceCheckUtils]: 15: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,442 INFO L280 TraceCheckUtils]: 16: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:47,442 INFO L280 TraceCheckUtils]: 17: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,442 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-17 22:20:47,443 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 22:20:47,443 INFO L280 TraceCheckUtils]: 20: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,443 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {3550#true} {3550#true} #57#return; {3550#true} is VALID [2020-07-17 22:20:47,443 INFO L280 TraceCheckUtils]: 22: Hoare triple {3550#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:47,444 INFO L263 TraceCheckUtils]: 23: Hoare triple {3550#true} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-17 22:20:47,444 INFO L280 TraceCheckUtils]: 24: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,444 INFO L280 TraceCheckUtils]: 25: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,444 INFO L280 TraceCheckUtils]: 26: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:47,444 INFO L280 TraceCheckUtils]: 27: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,445 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {3550#true} {3550#true} #59#return; {3550#true} is VALID [2020-07-17 22:20:47,445 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 22:20:47,445 INFO L280 TraceCheckUtils]: 30: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,445 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-17 22:20:47,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:47,450 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,451 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,451 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:47,451 INFO L280 TraceCheckUtils]: 3: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,452 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-17 22:20:47,452 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,452 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,452 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:47,453 INFO L263 TraceCheckUtils]: 3: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:47,453 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,453 INFO L280 TraceCheckUtils]: 5: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,453 INFO L280 TraceCheckUtils]: 6: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:47,454 INFO L263 TraceCheckUtils]: 7: Hoare triple {3550#true} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-17 22:20:47,454 INFO L280 TraceCheckUtils]: 8: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,454 INFO L280 TraceCheckUtils]: 9: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,455 INFO L280 TraceCheckUtils]: 10: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:47,455 INFO L263 TraceCheckUtils]: 11: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:47,455 INFO L280 TraceCheckUtils]: 12: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,455 INFO L280 TraceCheckUtils]: 13: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,456 INFO L280 TraceCheckUtils]: 14: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:47,456 INFO L280 TraceCheckUtils]: 15: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,456 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-17 22:20:47,456 INFO L280 TraceCheckUtils]: 17: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:47,456 INFO L263 TraceCheckUtils]: 18: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:47,457 INFO L280 TraceCheckUtils]: 19: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,457 INFO L280 TraceCheckUtils]: 20: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:47,457 INFO L280 TraceCheckUtils]: 21: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,457 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-17 22:20:47,458 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 22:20:47,458 INFO L280 TraceCheckUtils]: 24: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,458 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {3550#true} {3550#true} #57#return; {3550#true} is VALID [2020-07-17 22:20:47,459 INFO L280 TraceCheckUtils]: 26: Hoare triple {3550#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:47,459 INFO L263 TraceCheckUtils]: 27: Hoare triple {3550#true} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-17 22:20:47,459 INFO L280 TraceCheckUtils]: 28: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,459 INFO L280 TraceCheckUtils]: 29: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,459 INFO L280 TraceCheckUtils]: 30: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:47,460 INFO L280 TraceCheckUtils]: 31: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,460 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {3550#true} {3550#true} #59#return; {3550#true} is VALID [2020-07-17 22:20:47,460 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 22:20:47,460 INFO L280 TraceCheckUtils]: 34: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,460 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-17 22:20:47,461 INFO L280 TraceCheckUtils]: 36: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:47,461 INFO L263 TraceCheckUtils]: 37: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:47,461 INFO L280 TraceCheckUtils]: 38: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,461 INFO L280 TraceCheckUtils]: 39: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,461 INFO L280 TraceCheckUtils]: 40: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:47,462 INFO L280 TraceCheckUtils]: 41: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,462 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-17 22:20:47,462 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 22:20:47,462 INFO L280 TraceCheckUtils]: 44: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,463 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {3550#true} {3551#false} #59#return; {3551#false} is VALID [2020-07-17 22:20:47,464 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,464 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,465 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:47,465 INFO L263 TraceCheckUtils]: 3: Hoare triple {3550#true} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-17 22:20:47,465 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,465 INFO L280 TraceCheckUtils]: 5: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,465 INFO L280 TraceCheckUtils]: 6: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:47,466 INFO L263 TraceCheckUtils]: 7: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:47,466 INFO L280 TraceCheckUtils]: 8: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:47,467 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 22:20:47,468 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 22:20:47,468 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 22:20:47,468 INFO L280 TraceCheckUtils]: 12: Hoare triple {3550#true} ~n := #in~n; {3811#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:47,469 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 22:20:47,470 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 22:20:47,471 INFO L263 TraceCheckUtils]: 15: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:47,471 INFO L280 TraceCheckUtils]: 16: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,471 INFO L280 TraceCheckUtils]: 17: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,471 INFO L280 TraceCheckUtils]: 18: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:47,471 INFO L280 TraceCheckUtils]: 19: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,472 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 22:20:47,473 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 22:20:47,473 INFO L263 TraceCheckUtils]: 22: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:47,474 INFO L280 TraceCheckUtils]: 23: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,474 INFO L280 TraceCheckUtils]: 24: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:47,474 INFO L280 TraceCheckUtils]: 25: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,475 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 22:20:47,475 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 22:20:47,476 INFO L280 TraceCheckUtils]: 28: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume true; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:47,477 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 22:20:47,478 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 22:20:47,478 INFO L263 TraceCheckUtils]: 31: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-17 22:20:47,478 INFO L280 TraceCheckUtils]: 32: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,479 INFO L280 TraceCheckUtils]: 33: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,479 INFO L280 TraceCheckUtils]: 34: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:47,479 INFO L280 TraceCheckUtils]: 35: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,480 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 22:20:47,481 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 22:20:47,482 INFO L280 TraceCheckUtils]: 38: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} assume true; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:47,483 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {3805#(<= 3 |fibo1_#in~n|)} {3550#true} #53#return; {3780#(<= 4 fibo2_~n)} is VALID [2020-07-17 22:20:47,484 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 22:20:47,484 INFO L263 TraceCheckUtils]: 41: Hoare triple {3780#(<= 4 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:47,485 INFO L280 TraceCheckUtils]: 42: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:47,486 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 22:20:47,486 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 22:20:47,487 INFO L280 TraceCheckUtils]: 45: Hoare triple {3823#(<= |fibo1_#in~n| 1)} assume true; {3823#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:47,488 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {3823#(<= |fibo1_#in~n| 1)} {3780#(<= 4 fibo2_~n)} #55#return; {3551#false} is VALID [2020-07-17 22:20:47,488 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 22:20:47,489 INFO L280 TraceCheckUtils]: 48: Hoare triple {3551#false} assume true; {3551#false} is VALID [2020-07-17 22:20:47,489 INFO L275 TraceCheckUtils]: 49: Hoare quadruple {3551#false} {3550#true} #57#return; {3551#false} is VALID [2020-07-17 22:20:47,489 INFO L280 TraceCheckUtils]: 50: Hoare triple {3551#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3551#false} is VALID [2020-07-17 22:20:47,489 INFO L263 TraceCheckUtils]: 51: Hoare triple {3551#false} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-17 22:20:47,489 INFO L280 TraceCheckUtils]: 52: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,490 INFO L280 TraceCheckUtils]: 53: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,490 INFO L280 TraceCheckUtils]: 54: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:47,490 INFO L263 TraceCheckUtils]: 55: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:47,490 INFO L280 TraceCheckUtils]: 56: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,490 INFO L280 TraceCheckUtils]: 57: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,491 INFO L280 TraceCheckUtils]: 58: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:47,491 INFO L263 TraceCheckUtils]: 59: Hoare triple {3550#true} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-17 22:20:47,491 INFO L280 TraceCheckUtils]: 60: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,491 INFO L280 TraceCheckUtils]: 61: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,492 INFO L280 TraceCheckUtils]: 62: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:47,492 INFO L263 TraceCheckUtils]: 63: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:47,492 INFO L280 TraceCheckUtils]: 64: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,492 INFO L280 TraceCheckUtils]: 65: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,492 INFO L280 TraceCheckUtils]: 66: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:47,493 INFO L280 TraceCheckUtils]: 67: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,493 INFO L275 TraceCheckUtils]: 68: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-17 22:20:47,493 INFO L280 TraceCheckUtils]: 69: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:47,493 INFO L263 TraceCheckUtils]: 70: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:47,493 INFO L280 TraceCheckUtils]: 71: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,494 INFO L280 TraceCheckUtils]: 72: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:47,494 INFO L280 TraceCheckUtils]: 73: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,494 INFO L275 TraceCheckUtils]: 74: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-17 22:20:47,494 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 22:20:47,494 INFO L280 TraceCheckUtils]: 76: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,495 INFO L275 TraceCheckUtils]: 77: Hoare quadruple {3550#true} {3550#true} #57#return; {3550#true} is VALID [2020-07-17 22:20:47,495 INFO L280 TraceCheckUtils]: 78: Hoare triple {3550#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:47,495 INFO L263 TraceCheckUtils]: 79: Hoare triple {3550#true} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-17 22:20:47,495 INFO L280 TraceCheckUtils]: 80: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,495 INFO L280 TraceCheckUtils]: 81: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,496 INFO L280 TraceCheckUtils]: 82: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:47,496 INFO L280 TraceCheckUtils]: 83: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,496 INFO L275 TraceCheckUtils]: 84: Hoare quadruple {3550#true} {3550#true} #59#return; {3550#true} is VALID [2020-07-17 22:20:47,496 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 22:20:47,497 INFO L280 TraceCheckUtils]: 86: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,497 INFO L275 TraceCheckUtils]: 87: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-17 22:20:47,497 INFO L280 TraceCheckUtils]: 88: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:47,497 INFO L263 TraceCheckUtils]: 89: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:47,497 INFO L280 TraceCheckUtils]: 90: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,498 INFO L280 TraceCheckUtils]: 91: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,498 INFO L280 TraceCheckUtils]: 92: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:47,498 INFO L280 TraceCheckUtils]: 93: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,498 INFO L275 TraceCheckUtils]: 94: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-17 22:20:47,498 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 22:20:47,499 INFO L280 TraceCheckUtils]: 96: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,499 INFO L275 TraceCheckUtils]: 97: Hoare quadruple {3550#true} {3551#false} #59#return; {3551#false} is VALID [2020-07-17 22:20:47,499 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 22:20:47,499 INFO L280 TraceCheckUtils]: 99: Hoare triple {3551#false} assume true; {3551#false} is VALID [2020-07-17 22:20:47,500 INFO L275 TraceCheckUtils]: 100: Hoare quadruple {3551#false} {3554#(<= 5 main_~x~0)} #51#return; {3551#false} is VALID [2020-07-17 22:20:47,507 INFO L263 TraceCheckUtils]: 0: Hoare triple {3550#true} call ULTIMATE.init(); {3550#true} is VALID [2020-07-17 22:20:47,507 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,507 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3550#true} {3550#true} #47#return; {3550#true} is VALID [2020-07-17 22:20:47,508 INFO L263 TraceCheckUtils]: 3: Hoare triple {3550#true} call #t~ret5 := main(); {3550#true} is VALID [2020-07-17 22:20:47,509 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~x~0 := 5; {3554#(<= 5 main_~x~0)} is VALID [2020-07-17 22:20:47,509 INFO L263 TraceCheckUtils]: 5: Hoare triple {3554#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {3550#true} is VALID [2020-07-17 22:20:47,509 INFO L280 TraceCheckUtils]: 6: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,509 INFO L280 TraceCheckUtils]: 7: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,509 INFO L280 TraceCheckUtils]: 8: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:47,510 INFO L263 TraceCheckUtils]: 9: Hoare triple {3550#true} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-17 22:20:47,510 INFO L280 TraceCheckUtils]: 10: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,510 INFO L280 TraceCheckUtils]: 11: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,510 INFO L280 TraceCheckUtils]: 12: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:47,510 INFO L263 TraceCheckUtils]: 13: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:47,511 INFO L280 TraceCheckUtils]: 14: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:47,512 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 22:20:47,512 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 22:20:47,512 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 22:20:47,513 INFO L280 TraceCheckUtils]: 18: Hoare triple {3550#true} ~n := #in~n; {3811#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:47,514 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 22:20:47,515 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 22:20:47,515 INFO L263 TraceCheckUtils]: 21: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:47,515 INFO L280 TraceCheckUtils]: 22: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,516 INFO L280 TraceCheckUtils]: 23: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,516 INFO L280 TraceCheckUtils]: 24: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:47,516 INFO L280 TraceCheckUtils]: 25: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,517 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 22:20:47,518 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 22:20:47,518 INFO L263 TraceCheckUtils]: 28: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:47,518 INFO L280 TraceCheckUtils]: 29: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,519 INFO L280 TraceCheckUtils]: 30: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:47,519 INFO L280 TraceCheckUtils]: 31: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,520 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 22:20:47,520 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 22:20:47,521 INFO L280 TraceCheckUtils]: 34: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume true; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:47,522 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 22:20:47,523 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 22:20:47,523 INFO L263 TraceCheckUtils]: 37: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-17 22:20:47,524 INFO L280 TraceCheckUtils]: 38: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,524 INFO L280 TraceCheckUtils]: 39: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,524 INFO L280 TraceCheckUtils]: 40: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:47,524 INFO L280 TraceCheckUtils]: 41: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,525 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 22:20:47,526 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 22:20:47,527 INFO L280 TraceCheckUtils]: 44: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} assume true; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:47,528 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {3805#(<= 3 |fibo1_#in~n|)} {3550#true} #53#return; {3780#(<= 4 fibo2_~n)} is VALID [2020-07-17 22:20:47,528 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 22:20:47,529 INFO L263 TraceCheckUtils]: 47: Hoare triple {3780#(<= 4 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:47,529 INFO L280 TraceCheckUtils]: 48: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:47,530 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 22:20:47,530 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 22:20:47,531 INFO L280 TraceCheckUtils]: 51: Hoare triple {3823#(<= |fibo1_#in~n| 1)} assume true; {3823#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:47,532 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {3823#(<= |fibo1_#in~n| 1)} {3780#(<= 4 fibo2_~n)} #55#return; {3551#false} is VALID [2020-07-17 22:20:47,532 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 22:20:47,532 INFO L280 TraceCheckUtils]: 54: Hoare triple {3551#false} assume true; {3551#false} is VALID [2020-07-17 22:20:47,533 INFO L275 TraceCheckUtils]: 55: Hoare quadruple {3551#false} {3550#true} #57#return; {3551#false} is VALID [2020-07-17 22:20:47,533 INFO L280 TraceCheckUtils]: 56: Hoare triple {3551#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3551#false} is VALID [2020-07-17 22:20:47,533 INFO L263 TraceCheckUtils]: 57: Hoare triple {3551#false} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-17 22:20:47,533 INFO L280 TraceCheckUtils]: 58: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,533 INFO L280 TraceCheckUtils]: 59: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,533 INFO L280 TraceCheckUtils]: 60: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:47,534 INFO L263 TraceCheckUtils]: 61: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:47,534 INFO L280 TraceCheckUtils]: 62: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,534 INFO L280 TraceCheckUtils]: 63: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,534 INFO L280 TraceCheckUtils]: 64: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:47,534 INFO L263 TraceCheckUtils]: 65: Hoare triple {3550#true} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-17 22:20:47,535 INFO L280 TraceCheckUtils]: 66: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,535 INFO L280 TraceCheckUtils]: 67: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,535 INFO L280 TraceCheckUtils]: 68: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:47,535 INFO L263 TraceCheckUtils]: 69: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:47,535 INFO L280 TraceCheckUtils]: 70: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,536 INFO L280 TraceCheckUtils]: 71: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,536 INFO L280 TraceCheckUtils]: 72: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:47,536 INFO L280 TraceCheckUtils]: 73: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,536 INFO L275 TraceCheckUtils]: 74: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-17 22:20:47,536 INFO L280 TraceCheckUtils]: 75: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:47,536 INFO L263 TraceCheckUtils]: 76: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:47,537 INFO L280 TraceCheckUtils]: 77: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,537 INFO L280 TraceCheckUtils]: 78: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:47,537 INFO L280 TraceCheckUtils]: 79: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,537 INFO L275 TraceCheckUtils]: 80: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-17 22:20:47,537 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 22:20:47,538 INFO L280 TraceCheckUtils]: 82: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,538 INFO L275 TraceCheckUtils]: 83: Hoare quadruple {3550#true} {3550#true} #57#return; {3550#true} is VALID [2020-07-17 22:20:47,538 INFO L280 TraceCheckUtils]: 84: Hoare triple {3550#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:47,538 INFO L263 TraceCheckUtils]: 85: Hoare triple {3550#true} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-17 22:20:47,538 INFO L280 TraceCheckUtils]: 86: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,539 INFO L280 TraceCheckUtils]: 87: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,539 INFO L280 TraceCheckUtils]: 88: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:47,539 INFO L280 TraceCheckUtils]: 89: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,539 INFO L275 TraceCheckUtils]: 90: Hoare quadruple {3550#true} {3550#true} #59#return; {3550#true} is VALID [2020-07-17 22:20:47,539 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 22:20:47,540 INFO L280 TraceCheckUtils]: 92: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,540 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-17 22:20:47,540 INFO L280 TraceCheckUtils]: 94: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:47,540 INFO L263 TraceCheckUtils]: 95: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:47,540 INFO L280 TraceCheckUtils]: 96: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,541 INFO L280 TraceCheckUtils]: 97: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,541 INFO L280 TraceCheckUtils]: 98: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:47,541 INFO L280 TraceCheckUtils]: 99: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,541 INFO L275 TraceCheckUtils]: 100: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-17 22:20:47,541 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 22:20:47,541 INFO L280 TraceCheckUtils]: 102: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,542 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {3550#true} {3551#false} #59#return; {3551#false} is VALID [2020-07-17 22:20:47,542 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 22:20:47,542 INFO L280 TraceCheckUtils]: 105: Hoare triple {3551#false} assume true; {3551#false} is VALID [2020-07-17 22:20:47,542 INFO L275 TraceCheckUtils]: 106: Hoare quadruple {3551#false} {3554#(<= 5 main_~x~0)} #51#return; {3551#false} is VALID [2020-07-17 22:20:47,542 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 22:20:47,543 INFO L280 TraceCheckUtils]: 108: Hoare triple {3551#false} assume 5 == ~result~0; {3551#false} is VALID [2020-07-17 22:20:47,543 INFO L280 TraceCheckUtils]: 109: Hoare triple {3551#false} assume !false; {3551#false} is VALID [2020-07-17 22:20:47,550 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 22:20:47,551 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419521041] [2020-07-17 22:20:47,551 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1084679480] [2020-07-17 22:20:47,551 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 22:20:47,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:47,600 INFO L264 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-17 22:20:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:47,621 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 22:20:47,809 INFO L263 TraceCheckUtils]: 0: Hoare triple {3550#true} call ULTIMATE.init(); {3550#true} is VALID [2020-07-17 22:20:47,809 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,809 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3550#true} {3550#true} #47#return; {3550#true} is VALID [2020-07-17 22:20:47,810 INFO L263 TraceCheckUtils]: 3: Hoare triple {3550#true} call #t~ret5 := main(); {3550#true} is VALID [2020-07-17 22:20:47,810 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~x~0 := 5; {3554#(<= 5 main_~x~0)} is VALID [2020-07-17 22:20:47,810 INFO L263 TraceCheckUtils]: 5: Hoare triple {3554#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {3550#true} is VALID [2020-07-17 22:20:47,811 INFO L280 TraceCheckUtils]: 6: Hoare triple {3550#true} ~n := #in~n; {3914#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:47,811 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 22:20:47,812 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 22:20:47,812 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 22:20:47,812 INFO L280 TraceCheckUtils]: 10: Hoare triple {3550#true} ~n := #in~n; {3927#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:47,813 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 22:20:47,817 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 22:20:47,818 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 22:20:47,818 INFO L280 TraceCheckUtils]: 14: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,818 INFO L280 TraceCheckUtils]: 15: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,818 INFO L280 TraceCheckUtils]: 16: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:47,819 INFO L263 TraceCheckUtils]: 17: Hoare triple {3550#true} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-17 22:20:47,819 INFO L280 TraceCheckUtils]: 18: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,819 INFO L280 TraceCheckUtils]: 19: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,819 INFO L280 TraceCheckUtils]: 20: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:47,819 INFO L263 TraceCheckUtils]: 21: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:47,819 INFO L280 TraceCheckUtils]: 22: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,819 INFO L280 TraceCheckUtils]: 23: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,820 INFO L280 TraceCheckUtils]: 24: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:47,820 INFO L280 TraceCheckUtils]: 25: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,820 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-17 22:20:47,820 INFO L280 TraceCheckUtils]: 27: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:47,820 INFO L263 TraceCheckUtils]: 28: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:47,820 INFO L280 TraceCheckUtils]: 29: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,820 INFO L280 TraceCheckUtils]: 30: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:47,821 INFO L280 TraceCheckUtils]: 31: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,821 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-17 22:20:47,821 INFO L280 TraceCheckUtils]: 33: 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 22:20:47,821 INFO L280 TraceCheckUtils]: 34: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,821 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {3550#true} {3550#true} #57#return; {3550#true} is VALID [2020-07-17 22:20:47,821 INFO L280 TraceCheckUtils]: 36: Hoare triple {3550#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:47,822 INFO L263 TraceCheckUtils]: 37: Hoare triple {3550#true} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-17 22:20:47,822 INFO L280 TraceCheckUtils]: 38: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,822 INFO L280 TraceCheckUtils]: 39: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,822 INFO L280 TraceCheckUtils]: 40: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:47,822 INFO L280 TraceCheckUtils]: 41: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,822 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {3550#true} {3550#true} #59#return; {3550#true} is VALID [2020-07-17 22:20:47,823 INFO L280 TraceCheckUtils]: 43: 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 22:20:47,823 INFO L280 TraceCheckUtils]: 44: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,824 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {3550#true} {3927#(<= |fibo2_#in~n| fibo2_~n)} #53#return; {3927#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:47,824 INFO L280 TraceCheckUtils]: 46: Hoare triple {3927#(<= |fibo2_#in~n| fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3927#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:47,824 INFO L263 TraceCheckUtils]: 47: Hoare triple {3927#(<= |fibo2_#in~n| fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:47,825 INFO L280 TraceCheckUtils]: 48: Hoare triple {3550#true} ~n := #in~n; {3914#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:47,825 INFO L280 TraceCheckUtils]: 49: Hoare triple {3914#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {3914#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:47,826 INFO L280 TraceCheckUtils]: 50: Hoare triple {3914#(<= |fibo1_#in~n| fibo1_~n)} assume 1 == ~n;#res := 1; {3823#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:47,826 INFO L280 TraceCheckUtils]: 51: Hoare triple {3823#(<= |fibo1_#in~n| 1)} assume true; {3823#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:47,828 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {3823#(<= |fibo1_#in~n| 1)} {3927#(<= |fibo2_#in~n| fibo2_~n)} #55#return; {4054#(<= |fibo2_#in~n| 3)} is VALID [2020-07-17 22:20:47,828 INFO L280 TraceCheckUtils]: 53: Hoare triple {4054#(<= |fibo2_#in~n| 3)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {4054#(<= |fibo2_#in~n| 3)} is VALID [2020-07-17 22:20:47,835 INFO L280 TraceCheckUtils]: 54: Hoare triple {4054#(<= |fibo2_#in~n| 3)} assume true; {4054#(<= |fibo2_#in~n| 3)} is VALID [2020-07-17 22:20:47,837 INFO L275 TraceCheckUtils]: 55: Hoare quadruple {4054#(<= |fibo2_#in~n| 3)} {3914#(<= |fibo1_#in~n| fibo1_~n)} #57#return; {4064#(<= |fibo1_#in~n| 4)} is VALID [2020-07-17 22:20:47,838 INFO L280 TraceCheckUtils]: 56: Hoare triple {4064#(<= |fibo1_#in~n| 4)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4064#(<= |fibo1_#in~n| 4)} is VALID [2020-07-17 22:20:47,838 INFO L263 TraceCheckUtils]: 57: Hoare triple {4064#(<= |fibo1_#in~n| 4)} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-17 22:20:47,838 INFO L280 TraceCheckUtils]: 58: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,838 INFO L280 TraceCheckUtils]: 59: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,838 INFO L280 TraceCheckUtils]: 60: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:47,839 INFO L263 TraceCheckUtils]: 61: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:47,839 INFO L280 TraceCheckUtils]: 62: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,839 INFO L280 TraceCheckUtils]: 63: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,839 INFO L280 TraceCheckUtils]: 64: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:47,839 INFO L263 TraceCheckUtils]: 65: Hoare triple {3550#true} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-17 22:20:47,840 INFO L280 TraceCheckUtils]: 66: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,840 INFO L280 TraceCheckUtils]: 67: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,840 INFO L280 TraceCheckUtils]: 68: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-17 22:20:47,840 INFO L263 TraceCheckUtils]: 69: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-17 22:20:47,840 INFO L280 TraceCheckUtils]: 70: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,841 INFO L280 TraceCheckUtils]: 71: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,841 INFO L280 TraceCheckUtils]: 72: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:47,841 INFO L280 TraceCheckUtils]: 73: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,841 INFO L275 TraceCheckUtils]: 74: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-17 22:20:47,841 INFO L280 TraceCheckUtils]: 75: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:47,842 INFO L263 TraceCheckUtils]: 76: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:47,842 INFO L280 TraceCheckUtils]: 77: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,842 INFO L280 TraceCheckUtils]: 78: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-17 22:20:47,842 INFO L280 TraceCheckUtils]: 79: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,842 INFO L275 TraceCheckUtils]: 80: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-17 22:20:47,842 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 22:20:47,843 INFO L280 TraceCheckUtils]: 82: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,843 INFO L275 TraceCheckUtils]: 83: Hoare quadruple {3550#true} {3550#true} #57#return; {3550#true} is VALID [2020-07-17 22:20:47,843 INFO L280 TraceCheckUtils]: 84: Hoare triple {3550#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:47,843 INFO L263 TraceCheckUtils]: 85: Hoare triple {3550#true} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-17 22:20:47,843 INFO L280 TraceCheckUtils]: 86: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,844 INFO L280 TraceCheckUtils]: 87: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,844 INFO L280 TraceCheckUtils]: 88: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:47,844 INFO L280 TraceCheckUtils]: 89: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,844 INFO L275 TraceCheckUtils]: 90: Hoare quadruple {3550#true} {3550#true} #59#return; {3550#true} is VALID [2020-07-17 22:20:47,844 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 22:20:47,844 INFO L280 TraceCheckUtils]: 92: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,845 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-17 22:20:47,845 INFO L280 TraceCheckUtils]: 94: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-17 22:20:47,845 INFO L263 TraceCheckUtils]: 95: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-17 22:20:47,845 INFO L280 TraceCheckUtils]: 96: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-17 22:20:47,845 INFO L280 TraceCheckUtils]: 97: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-17 22:20:47,846 INFO L280 TraceCheckUtils]: 98: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-17 22:20:47,846 INFO L280 TraceCheckUtils]: 99: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,846 INFO L275 TraceCheckUtils]: 100: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-17 22:20:47,846 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 22:20:47,846 INFO L280 TraceCheckUtils]: 102: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-17 22:20:47,848 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {3550#true} {4064#(<= |fibo1_#in~n| 4)} #59#return; {4064#(<= |fibo1_#in~n| 4)} is VALID [2020-07-17 22:20:47,848 INFO L280 TraceCheckUtils]: 104: Hoare triple {4064#(<= |fibo1_#in~n| 4)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4064#(<= |fibo1_#in~n| 4)} is VALID [2020-07-17 22:20:47,849 INFO L280 TraceCheckUtils]: 105: Hoare triple {4064#(<= |fibo1_#in~n| 4)} assume true; {4064#(<= |fibo1_#in~n| 4)} is VALID [2020-07-17 22:20:47,850 INFO L275 TraceCheckUtils]: 106: Hoare quadruple {4064#(<= |fibo1_#in~n| 4)} {3554#(<= 5 main_~x~0)} #51#return; {3551#false} is VALID [2020-07-17 22:20:47,850 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 22:20:47,850 INFO L280 TraceCheckUtils]: 108: Hoare triple {3551#false} assume 5 == ~result~0; {3551#false} is VALID [2020-07-17 22:20:47,850 INFO L280 TraceCheckUtils]: 109: Hoare triple {3551#false} assume !false; {3551#false} is VALID [2020-07-17 22:20:47,859 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 36 proven. 58 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2020-07-17 22:20:47,859 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 22:20:47,859 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 14 [2020-07-17 22:20:47,860 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250190835] [2020-07-17 22:20:47,860 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 110 [2020-07-17 22:20:47,871 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:20:47,871 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states. [2020-07-17 22:20:47,983 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 89 edges. 89 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:20:47,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-17 22:20:47,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:20:47,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-17 22:20:47,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-07-17 22:20:47,984 INFO L87 Difference]: Start difference. First operand 112 states and 180 transitions. Second operand 14 states. [2020-07-17 22:20:49,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:49,767 INFO L93 Difference]: Finished difference Result 244 states and 474 transitions. [2020-07-17 22:20:49,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-17 22:20:49,767 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 110 [2020-07-17 22:20:49,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:20:49,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-17 22:20:49,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 152 transitions. [2020-07-17 22:20:49,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-17 22:20:49,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 152 transitions. [2020-07-17 22:20:49,777 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 20 states and 152 transitions. [2020-07-17 22:20:49,982 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 152 edges. 152 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:20:49,991 INFO L225 Difference]: With dead ends: 244 [2020-07-17 22:20:49,991 INFO L226 Difference]: Without dead ends: 123 [2020-07-17 22:20:49,993 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=415, Unknown=0, NotChecked=0, Total=506 [2020-07-17 22:20:49,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-07-17 22:20:50,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 101. [2020-07-17 22:20:50,073 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:20:50,073 INFO L82 GeneralOperation]: Start isEquivalent. First operand 123 states. Second operand 101 states. [2020-07-17 22:20:50,073 INFO L74 IsIncluded]: Start isIncluded. First operand 123 states. Second operand 101 states. [2020-07-17 22:20:50,073 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 101 states. [2020-07-17 22:20:50,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:50,082 INFO L93 Difference]: Finished difference Result 123 states and 189 transitions. [2020-07-17 22:20:50,082 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 189 transitions. [2020-07-17 22:20:50,083 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:50,083 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:50,084 INFO L74 IsIncluded]: Start isIncluded. First operand 101 states. Second operand 123 states. [2020-07-17 22:20:50,084 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 123 states. [2020-07-17 22:20:50,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:50,092 INFO L93 Difference]: Finished difference Result 123 states and 189 transitions. [2020-07-17 22:20:50,092 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 189 transitions. [2020-07-17 22:20:50,093 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:50,093 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:50,093 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:20:50,094 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:20:50,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-07-17 22:20:50,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 154 transitions. [2020-07-17 22:20:50,100 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 154 transitions. Word has length 110 [2020-07-17 22:20:50,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:20:50,100 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 154 transitions. [2020-07-17 22:20:50,100 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-17 22:20:50,100 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 154 transitions. [2020-07-17 22:20:50,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-07-17 22:20:50,103 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:20:50,103 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:20:50,316 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:20:50,317 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:20:50,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:20:50,318 INFO L82 PathProgramCache]: Analyzing trace with hash -1639039973, now seen corresponding path program 2 times [2020-07-17 22:20:50,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:20:50,318 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981874484] [2020-07-17 22:20:50,318 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:20:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:50,413 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,413 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {4948#true} {4948#true} #47#return; {4948#true} is VALID [2020-07-17 22:20:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:50,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:50,605 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,606 INFO L280 TraceCheckUtils]: 1: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,606 INFO L280 TraceCheckUtils]: 2: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {5329#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:50,607 INFO L280 TraceCheckUtils]: 3: Hoare triple {5329#(<= |fibo1_#in~n| 1)} assume true; {5329#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:50,608 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {5329#(<= |fibo1_#in~n| 1)} {5318#(= fibo2_~n |fibo2_#in~n|)} #53#return; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:50,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:50,616 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,616 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:50,616 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,617 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4948#true} {5324#(<= |fibo2_#in~n| 2)} #55#return; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:50,618 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:50,618 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 22:20:50,619 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 22:20:50,619 INFO L263 TraceCheckUtils]: 3: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:50,620 INFO L280 TraceCheckUtils]: 4: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,620 INFO L280 TraceCheckUtils]: 5: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,621 INFO L280 TraceCheckUtils]: 6: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {5329#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:50,621 INFO L280 TraceCheckUtils]: 7: Hoare triple {5329#(<= |fibo1_#in~n| 1)} assume true; {5329#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:50,623 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {5329#(<= |fibo1_#in~n| 1)} {5318#(= fibo2_~n |fibo2_#in~n|)} #53#return; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:50,623 INFO L280 TraceCheckUtils]: 9: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:50,623 INFO L263 TraceCheckUtils]: 10: Hoare triple {5324#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:50,624 INFO L280 TraceCheckUtils]: 11: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,624 INFO L280 TraceCheckUtils]: 12: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:50,624 INFO L280 TraceCheckUtils]: 13: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,626 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {4948#true} {5324#(<= |fibo2_#in~n| 2)} #55#return; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:50,626 INFO L280 TraceCheckUtils]: 15: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:50,627 INFO L280 TraceCheckUtils]: 16: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume true; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:50,628 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {5324#(<= |fibo2_#in~n| 2)} {5293#(= fibo1_~n |fibo1_#in~n|)} #57#return; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:50,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:50,633 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,634 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,634 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:50,634 INFO L280 TraceCheckUtils]: 3: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,636 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4948#true} {5312#(<= |fibo1_#in~n| 3)} #59#return; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:50,636 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,637 INFO L280 TraceCheckUtils]: 1: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,637 INFO L280 TraceCheckUtils]: 2: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,638 INFO L263 TraceCheckUtils]: 3: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:50,638 INFO L280 TraceCheckUtils]: 4: Hoare triple {4948#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:50,639 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 22:20:50,639 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 22:20:50,640 INFO L263 TraceCheckUtils]: 7: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:50,640 INFO L280 TraceCheckUtils]: 8: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,641 INFO L280 TraceCheckUtils]: 9: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,641 INFO L280 TraceCheckUtils]: 10: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {5329#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:50,642 INFO L280 TraceCheckUtils]: 11: Hoare triple {5329#(<= |fibo1_#in~n| 1)} assume true; {5329#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:50,643 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {5329#(<= |fibo1_#in~n| 1)} {5318#(= fibo2_~n |fibo2_#in~n|)} #53#return; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:50,644 INFO L280 TraceCheckUtils]: 13: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:50,644 INFO L263 TraceCheckUtils]: 14: Hoare triple {5324#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:50,644 INFO L280 TraceCheckUtils]: 15: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,644 INFO L280 TraceCheckUtils]: 16: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:50,644 INFO L280 TraceCheckUtils]: 17: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,646 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {4948#true} {5324#(<= |fibo2_#in~n| 2)} #55#return; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:50,646 INFO L280 TraceCheckUtils]: 19: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:50,647 INFO L280 TraceCheckUtils]: 20: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume true; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:50,648 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {5324#(<= |fibo2_#in~n| 2)} {5293#(= fibo1_~n |fibo1_#in~n|)} #57#return; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:50,649 INFO L280 TraceCheckUtils]: 22: Hoare triple {5312#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:50,649 INFO L263 TraceCheckUtils]: 23: Hoare triple {5312#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:50,649 INFO L280 TraceCheckUtils]: 24: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,649 INFO L280 TraceCheckUtils]: 25: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,650 INFO L280 TraceCheckUtils]: 26: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:50,650 INFO L280 TraceCheckUtils]: 27: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,652 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {4948#true} {5312#(<= |fibo1_#in~n| 3)} #59#return; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:50,652 INFO L280 TraceCheckUtils]: 29: Hoare triple {5312#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:50,653 INFO L280 TraceCheckUtils]: 30: Hoare triple {5312#(<= |fibo1_#in~n| 3)} assume true; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:50,654 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {5312#(<= |fibo1_#in~n| 3)} {4948#true} #53#return; {5260#(<= fibo2_~n 4)} is VALID [2020-07-17 22:20:50,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:50,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:50,741 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,741 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,741 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:50,742 INFO L280 TraceCheckUtils]: 3: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,743 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4948#true} {5355#(<= 2 |fibo2_#in~n|)} #53#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:50,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:50,747 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,747 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:50,747 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,748 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4948#true} {5355#(<= 2 |fibo2_#in~n|)} #55#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:50,749 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:50,749 INFO L280 TraceCheckUtils]: 1: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5354#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-17 22:20:50,750 INFO L280 TraceCheckUtils]: 2: Hoare triple {5354#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:50,750 INFO L263 TraceCheckUtils]: 3: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:50,751 INFO L280 TraceCheckUtils]: 4: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,751 INFO L280 TraceCheckUtils]: 5: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,751 INFO L280 TraceCheckUtils]: 6: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:50,751 INFO L280 TraceCheckUtils]: 7: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,752 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {4948#true} {5355#(<= 2 |fibo2_#in~n|)} #53#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:50,753 INFO L280 TraceCheckUtils]: 9: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:50,753 INFO L263 TraceCheckUtils]: 10: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:50,753 INFO L280 TraceCheckUtils]: 11: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,753 INFO L280 TraceCheckUtils]: 12: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:50,754 INFO L280 TraceCheckUtils]: 13: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,755 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {4948#true} {5355#(<= 2 |fibo2_#in~n|)} #55#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:50,755 INFO L280 TraceCheckUtils]: 15: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:50,756 INFO L280 TraceCheckUtils]: 16: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume true; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:50,757 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {5355#(<= 2 |fibo2_#in~n|)} {5293#(= fibo1_~n |fibo1_#in~n|)} #57#return; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:50,762 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,763 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,763 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:50,763 INFO L280 TraceCheckUtils]: 3: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,764 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4948#true} {5348#(<= 3 |fibo1_#in~n|)} #59#return; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,765 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,765 INFO L280 TraceCheckUtils]: 1: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,766 INFO L280 TraceCheckUtils]: 2: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,766 INFO L263 TraceCheckUtils]: 3: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:50,766 INFO L280 TraceCheckUtils]: 4: Hoare triple {4948#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:50,767 INFO L280 TraceCheckUtils]: 5: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5354#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-17 22:20:50,768 INFO L280 TraceCheckUtils]: 6: Hoare triple {5354#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:50,768 INFO L263 TraceCheckUtils]: 7: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:50,769 INFO L280 TraceCheckUtils]: 8: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,769 INFO L280 TraceCheckUtils]: 9: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,769 INFO L280 TraceCheckUtils]: 10: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:50,769 INFO L280 TraceCheckUtils]: 11: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,770 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {4948#true} {5355#(<= 2 |fibo2_#in~n|)} #53#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:50,771 INFO L280 TraceCheckUtils]: 13: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:50,771 INFO L263 TraceCheckUtils]: 14: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:50,771 INFO L280 TraceCheckUtils]: 15: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,772 INFO L280 TraceCheckUtils]: 16: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:50,772 INFO L280 TraceCheckUtils]: 17: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,773 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {4948#true} {5355#(<= 2 |fibo2_#in~n|)} #55#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:50,773 INFO L280 TraceCheckUtils]: 19: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:50,774 INFO L280 TraceCheckUtils]: 20: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume true; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:50,775 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {5355#(<= 2 |fibo2_#in~n|)} {5293#(= fibo1_~n |fibo1_#in~n|)} #57#return; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,776 INFO L280 TraceCheckUtils]: 22: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,776 INFO L263 TraceCheckUtils]: 23: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:50,776 INFO L280 TraceCheckUtils]: 24: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,776 INFO L280 TraceCheckUtils]: 25: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,776 INFO L280 TraceCheckUtils]: 26: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:50,777 INFO L280 TraceCheckUtils]: 27: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,777 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {4948#true} {5348#(<= 3 |fibo1_#in~n|)} #59#return; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,778 INFO L280 TraceCheckUtils]: 29: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,779 INFO L280 TraceCheckUtils]: 30: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume true; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,780 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {5348#(<= 3 |fibo1_#in~n|)} {5260#(<= fibo2_~n 4)} #55#return; {4949#false} is VALID [2020-07-17 22:20:50,781 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,781 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,782 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:50,782 INFO L263 TraceCheckUtils]: 3: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:50,783 INFO L280 TraceCheckUtils]: 4: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,783 INFO L280 TraceCheckUtils]: 5: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,785 INFO L280 TraceCheckUtils]: 6: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,786 INFO L263 TraceCheckUtils]: 7: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:50,786 INFO L280 TraceCheckUtils]: 8: Hoare triple {4948#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:50,787 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 22:20:50,787 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 22:20:50,787 INFO L263 TraceCheckUtils]: 11: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:50,788 INFO L280 TraceCheckUtils]: 12: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,788 INFO L280 TraceCheckUtils]: 13: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,789 INFO L280 TraceCheckUtils]: 14: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {5329#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:50,790 INFO L280 TraceCheckUtils]: 15: Hoare triple {5329#(<= |fibo1_#in~n| 1)} assume true; {5329#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:50,791 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {5329#(<= |fibo1_#in~n| 1)} {5318#(= fibo2_~n |fibo2_#in~n|)} #53#return; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:50,791 INFO L280 TraceCheckUtils]: 17: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:50,792 INFO L263 TraceCheckUtils]: 18: Hoare triple {5324#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:50,792 INFO L280 TraceCheckUtils]: 19: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,792 INFO L280 TraceCheckUtils]: 20: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:50,792 INFO L280 TraceCheckUtils]: 21: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,793 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {4948#true} {5324#(<= |fibo2_#in~n| 2)} #55#return; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:50,794 INFO L280 TraceCheckUtils]: 23: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:50,794 INFO L280 TraceCheckUtils]: 24: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume true; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:50,796 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {5324#(<= |fibo2_#in~n| 2)} {5293#(= fibo1_~n |fibo1_#in~n|)} #57#return; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:50,796 INFO L280 TraceCheckUtils]: 26: Hoare triple {5312#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:50,796 INFO L263 TraceCheckUtils]: 27: Hoare triple {5312#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:50,797 INFO L280 TraceCheckUtils]: 28: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,797 INFO L280 TraceCheckUtils]: 29: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,797 INFO L280 TraceCheckUtils]: 30: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:50,797 INFO L280 TraceCheckUtils]: 31: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,798 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {4948#true} {5312#(<= |fibo1_#in~n| 3)} #59#return; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:50,798 INFO L280 TraceCheckUtils]: 33: Hoare triple {5312#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:50,799 INFO L280 TraceCheckUtils]: 34: Hoare triple {5312#(<= |fibo1_#in~n| 3)} assume true; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:50,800 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {5312#(<= |fibo1_#in~n| 3)} {4948#true} #53#return; {5260#(<= fibo2_~n 4)} is VALID [2020-07-17 22:20:50,801 INFO L280 TraceCheckUtils]: 36: Hoare triple {5260#(<= fibo2_~n 4)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5260#(<= fibo2_~n 4)} is VALID [2020-07-17 22:20:50,801 INFO L263 TraceCheckUtils]: 37: Hoare triple {5260#(<= fibo2_~n 4)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:50,801 INFO L280 TraceCheckUtils]: 38: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,802 INFO L280 TraceCheckUtils]: 39: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,802 INFO L280 TraceCheckUtils]: 40: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,803 INFO L263 TraceCheckUtils]: 41: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:50,803 INFO L280 TraceCheckUtils]: 42: Hoare triple {4948#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:50,804 INFO L280 TraceCheckUtils]: 43: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5354#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-17 22:20:50,805 INFO L280 TraceCheckUtils]: 44: Hoare triple {5354#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:50,805 INFO L263 TraceCheckUtils]: 45: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:50,805 INFO L280 TraceCheckUtils]: 46: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,805 INFO L280 TraceCheckUtils]: 47: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,806 INFO L280 TraceCheckUtils]: 48: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:50,806 INFO L280 TraceCheckUtils]: 49: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,807 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {4948#true} {5355#(<= 2 |fibo2_#in~n|)} #53#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:50,807 INFO L280 TraceCheckUtils]: 51: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:50,808 INFO L263 TraceCheckUtils]: 52: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:50,808 INFO L280 TraceCheckUtils]: 53: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,808 INFO L280 TraceCheckUtils]: 54: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:50,808 INFO L280 TraceCheckUtils]: 55: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,809 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {4948#true} {5355#(<= 2 |fibo2_#in~n|)} #55#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:50,810 INFO L280 TraceCheckUtils]: 57: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:50,810 INFO L280 TraceCheckUtils]: 58: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume true; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:50,812 INFO L275 TraceCheckUtils]: 59: Hoare quadruple {5355#(<= 2 |fibo2_#in~n|)} {5293#(= fibo1_~n |fibo1_#in~n|)} #57#return; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,812 INFO L280 TraceCheckUtils]: 60: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,813 INFO L263 TraceCheckUtils]: 61: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:50,813 INFO L280 TraceCheckUtils]: 62: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,813 INFO L280 TraceCheckUtils]: 63: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,813 INFO L280 TraceCheckUtils]: 64: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:50,813 INFO L280 TraceCheckUtils]: 65: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,814 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {4948#true} {5348#(<= 3 |fibo1_#in~n|)} #59#return; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,815 INFO L280 TraceCheckUtils]: 67: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,816 INFO L280 TraceCheckUtils]: 68: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume true; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,817 INFO L275 TraceCheckUtils]: 69: Hoare quadruple {5348#(<= 3 |fibo1_#in~n|)} {5260#(<= fibo2_~n 4)} #55#return; {4949#false} is VALID [2020-07-17 22:20:50,817 INFO L280 TraceCheckUtils]: 70: Hoare triple {4949#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {4949#false} is VALID [2020-07-17 22:20:50,818 INFO L280 TraceCheckUtils]: 71: Hoare triple {4949#false} assume true; {4949#false} is VALID [2020-07-17 22:20:50,818 INFO L275 TraceCheckUtils]: 72: Hoare quadruple {4949#false} {4948#true} #57#return; {4949#false} is VALID [2020-07-17 22:20:50,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:50,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:50,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:50,854 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,855 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,855 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:50,855 INFO L280 TraceCheckUtils]: 3: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,855 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4948#true} {4948#true} #57#return; {4948#true} is VALID [2020-07-17 22:20:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:50,863 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,864 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,864 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:50,864 INFO L280 TraceCheckUtils]: 3: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,865 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4948#true} {4948#true} #59#return; {4948#true} is VALID [2020-07-17 22:20:50,865 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,865 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,865 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:50,866 INFO L263 TraceCheckUtils]: 3: Hoare triple {4948#true} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:50,866 INFO L280 TraceCheckUtils]: 4: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,866 INFO L280 TraceCheckUtils]: 5: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,866 INFO L280 TraceCheckUtils]: 6: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:50,866 INFO L280 TraceCheckUtils]: 7: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,867 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {4948#true} {4948#true} #57#return; {4948#true} is VALID [2020-07-17 22:20:50,867 INFO L280 TraceCheckUtils]: 9: Hoare triple {4948#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:50,867 INFO L263 TraceCheckUtils]: 10: Hoare triple {4948#true} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:50,867 INFO L280 TraceCheckUtils]: 11: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,867 INFO L280 TraceCheckUtils]: 12: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,868 INFO L280 TraceCheckUtils]: 13: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:50,868 INFO L280 TraceCheckUtils]: 14: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,868 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {4948#true} {4948#true} #59#return; {4948#true} is VALID [2020-07-17 22:20:50,868 INFO L280 TraceCheckUtils]: 16: Hoare triple {4948#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4948#true} is VALID [2020-07-17 22:20:50,868 INFO L280 TraceCheckUtils]: 17: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,869 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {4948#true} {4948#true} #53#return; {4948#true} is VALID [2020-07-17 22:20:50,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:50,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:50,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:50,885 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,885 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,886 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:50,886 INFO L280 TraceCheckUtils]: 3: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,886 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4948#true} {4948#true} #53#return; {4948#true} is VALID [2020-07-17 22:20:50,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:50,889 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,890 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:50,890 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,890 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4948#true} {4948#true} #55#return; {4948#true} is VALID [2020-07-17 22:20:50,891 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,891 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,891 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:50,891 INFO L263 TraceCheckUtils]: 3: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:50,891 INFO L280 TraceCheckUtils]: 4: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,892 INFO L280 TraceCheckUtils]: 5: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,892 INFO L280 TraceCheckUtils]: 6: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:50,892 INFO L280 TraceCheckUtils]: 7: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,892 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {4948#true} {4948#true} #53#return; {4948#true} is VALID [2020-07-17 22:20:50,893 INFO L280 TraceCheckUtils]: 9: Hoare triple {4948#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:50,893 INFO L263 TraceCheckUtils]: 10: Hoare triple {4948#true} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:50,893 INFO L280 TraceCheckUtils]: 11: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,893 INFO L280 TraceCheckUtils]: 12: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:50,893 INFO L280 TraceCheckUtils]: 13: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,894 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {4948#true} {4948#true} #55#return; {4948#true} is VALID [2020-07-17 22:20:50,894 INFO L280 TraceCheckUtils]: 15: Hoare triple {4948#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {4948#true} is VALID [2020-07-17 22:20:50,894 INFO L280 TraceCheckUtils]: 16: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,894 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {4948#true} {4948#true} #57#return; {4948#true} is VALID [2020-07-17 22:20:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:50,899 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,899 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,899 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:50,899 INFO L280 TraceCheckUtils]: 3: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,900 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4948#true} {4948#true} #59#return; {4948#true} is VALID [2020-07-17 22:20:50,900 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,900 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,900 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:50,901 INFO L263 TraceCheckUtils]: 3: Hoare triple {4948#true} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:50,901 INFO L280 TraceCheckUtils]: 4: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,901 INFO L280 TraceCheckUtils]: 5: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,901 INFO L280 TraceCheckUtils]: 6: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:50,901 INFO L263 TraceCheckUtils]: 7: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:50,902 INFO L280 TraceCheckUtils]: 8: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,902 INFO L280 TraceCheckUtils]: 9: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,902 INFO L280 TraceCheckUtils]: 10: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:50,902 INFO L280 TraceCheckUtils]: 11: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,902 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {4948#true} {4948#true} #53#return; {4948#true} is VALID [2020-07-17 22:20:50,903 INFO L280 TraceCheckUtils]: 13: Hoare triple {4948#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:50,903 INFO L263 TraceCheckUtils]: 14: Hoare triple {4948#true} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:50,903 INFO L280 TraceCheckUtils]: 15: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,903 INFO L280 TraceCheckUtils]: 16: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:50,904 INFO L280 TraceCheckUtils]: 17: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,904 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {4948#true} {4948#true} #55#return; {4948#true} is VALID [2020-07-17 22:20:50,904 INFO L280 TraceCheckUtils]: 19: Hoare triple {4948#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {4948#true} is VALID [2020-07-17 22:20:50,904 INFO L280 TraceCheckUtils]: 20: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,904 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {4948#true} {4948#true} #57#return; {4948#true} is VALID [2020-07-17 22:20:50,905 INFO L280 TraceCheckUtils]: 22: Hoare triple {4948#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:50,905 INFO L263 TraceCheckUtils]: 23: Hoare triple {4948#true} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:50,905 INFO L280 TraceCheckUtils]: 24: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,905 INFO L280 TraceCheckUtils]: 25: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,905 INFO L280 TraceCheckUtils]: 26: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:50,906 INFO L280 TraceCheckUtils]: 27: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,906 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {4948#true} {4948#true} #59#return; {4948#true} is VALID [2020-07-17 22:20:50,906 INFO L280 TraceCheckUtils]: 29: Hoare triple {4948#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4948#true} is VALID [2020-07-17 22:20:50,906 INFO L280 TraceCheckUtils]: 30: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,906 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {4948#true} {4948#true} #55#return; {4948#true} is VALID [2020-07-17 22:20:50,907 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,907 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,908 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:50,908 INFO L263 TraceCheckUtils]: 3: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:50,908 INFO L280 TraceCheckUtils]: 4: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,908 INFO L280 TraceCheckUtils]: 5: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,908 INFO L280 TraceCheckUtils]: 6: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:50,908 INFO L263 TraceCheckUtils]: 7: Hoare triple {4948#true} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:50,909 INFO L280 TraceCheckUtils]: 8: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,909 INFO L280 TraceCheckUtils]: 9: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,909 INFO L280 TraceCheckUtils]: 10: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:50,909 INFO L280 TraceCheckUtils]: 11: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,910 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {4948#true} {4948#true} #57#return; {4948#true} is VALID [2020-07-17 22:20:50,910 INFO L280 TraceCheckUtils]: 13: Hoare triple {4948#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:50,910 INFO L263 TraceCheckUtils]: 14: Hoare triple {4948#true} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:50,910 INFO L280 TraceCheckUtils]: 15: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,910 INFO L280 TraceCheckUtils]: 16: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,911 INFO L280 TraceCheckUtils]: 17: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:50,911 INFO L280 TraceCheckUtils]: 18: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,911 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {4948#true} {4948#true} #59#return; {4948#true} is VALID [2020-07-17 22:20:50,911 INFO L280 TraceCheckUtils]: 20: Hoare triple {4948#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4948#true} is VALID [2020-07-17 22:20:50,912 INFO L280 TraceCheckUtils]: 21: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,912 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {4948#true} {4948#true} #53#return; {4948#true} is VALID [2020-07-17 22:20:50,912 INFO L280 TraceCheckUtils]: 23: Hoare triple {4948#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:50,912 INFO L263 TraceCheckUtils]: 24: Hoare triple {4948#true} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:50,912 INFO L280 TraceCheckUtils]: 25: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,913 INFO L280 TraceCheckUtils]: 26: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,913 INFO L280 TraceCheckUtils]: 27: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:50,913 INFO L263 TraceCheckUtils]: 28: Hoare triple {4948#true} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:50,913 INFO L280 TraceCheckUtils]: 29: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,913 INFO L280 TraceCheckUtils]: 30: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,914 INFO L280 TraceCheckUtils]: 31: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:50,914 INFO L263 TraceCheckUtils]: 32: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:50,914 INFO L280 TraceCheckUtils]: 33: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,914 INFO L280 TraceCheckUtils]: 34: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,914 INFO L280 TraceCheckUtils]: 35: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:50,915 INFO L280 TraceCheckUtils]: 36: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,915 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {4948#true} {4948#true} #53#return; {4948#true} is VALID [2020-07-17 22:20:50,915 INFO L280 TraceCheckUtils]: 38: Hoare triple {4948#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:50,915 INFO L263 TraceCheckUtils]: 39: Hoare triple {4948#true} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:50,915 INFO L280 TraceCheckUtils]: 40: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,915 INFO L280 TraceCheckUtils]: 41: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:50,916 INFO L280 TraceCheckUtils]: 42: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,916 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {4948#true} {4948#true} #55#return; {4948#true} is VALID [2020-07-17 22:20:50,916 INFO L280 TraceCheckUtils]: 44: Hoare triple {4948#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {4948#true} is VALID [2020-07-17 22:20:50,916 INFO L280 TraceCheckUtils]: 45: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,916 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {4948#true} {4948#true} #57#return; {4948#true} is VALID [2020-07-17 22:20:50,917 INFO L280 TraceCheckUtils]: 47: Hoare triple {4948#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:50,917 INFO L263 TraceCheckUtils]: 48: Hoare triple {4948#true} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:50,917 INFO L280 TraceCheckUtils]: 49: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,917 INFO L280 TraceCheckUtils]: 50: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,917 INFO L280 TraceCheckUtils]: 51: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:50,918 INFO L280 TraceCheckUtils]: 52: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,918 INFO L275 TraceCheckUtils]: 53: Hoare quadruple {4948#true} {4948#true} #59#return; {4948#true} is VALID [2020-07-17 22:20:50,918 INFO L280 TraceCheckUtils]: 54: Hoare triple {4948#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4948#true} is VALID [2020-07-17 22:20:50,918 INFO L280 TraceCheckUtils]: 55: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,918 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {4948#true} {4948#true} #55#return; {4948#true} is VALID [2020-07-17 22:20:50,919 INFO L280 TraceCheckUtils]: 57: Hoare triple {4948#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {4948#true} is VALID [2020-07-17 22:20:50,919 INFO L280 TraceCheckUtils]: 58: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,919 INFO L275 TraceCheckUtils]: 59: Hoare quadruple {4948#true} {4949#false} #59#return; {4949#false} is VALID [2020-07-17 22:20:50,921 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,938 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,938 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:50,938 INFO L263 TraceCheckUtils]: 3: Hoare triple {4948#true} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:50,938 INFO L280 TraceCheckUtils]: 4: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,938 INFO L280 TraceCheckUtils]: 5: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,939 INFO L280 TraceCheckUtils]: 6: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:50,939 INFO L263 TraceCheckUtils]: 7: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:50,944 INFO L280 TraceCheckUtils]: 8: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,947 INFO L280 TraceCheckUtils]: 9: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,950 INFO L280 TraceCheckUtils]: 10: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,950 INFO L263 TraceCheckUtils]: 11: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:50,951 INFO L280 TraceCheckUtils]: 12: Hoare triple {4948#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:50,951 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 22:20:50,952 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 22:20:50,952 INFO L263 TraceCheckUtils]: 15: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:50,953 INFO L280 TraceCheckUtils]: 16: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,953 INFO L280 TraceCheckUtils]: 17: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,954 INFO L280 TraceCheckUtils]: 18: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {5329#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:50,954 INFO L280 TraceCheckUtils]: 19: Hoare triple {5329#(<= |fibo1_#in~n| 1)} assume true; {5329#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:50,956 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {5329#(<= |fibo1_#in~n| 1)} {5318#(= fibo2_~n |fibo2_#in~n|)} #53#return; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:50,956 INFO L280 TraceCheckUtils]: 21: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:50,957 INFO L263 TraceCheckUtils]: 22: Hoare triple {5324#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:50,957 INFO L280 TraceCheckUtils]: 23: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,957 INFO L280 TraceCheckUtils]: 24: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:50,957 INFO L280 TraceCheckUtils]: 25: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,958 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {4948#true} {5324#(<= |fibo2_#in~n| 2)} #55#return; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:50,959 INFO L280 TraceCheckUtils]: 27: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:50,959 INFO L280 TraceCheckUtils]: 28: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume true; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:50,960 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {5324#(<= |fibo2_#in~n| 2)} {5293#(= fibo1_~n |fibo1_#in~n|)} #57#return; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:50,961 INFO L280 TraceCheckUtils]: 30: Hoare triple {5312#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:50,961 INFO L263 TraceCheckUtils]: 31: Hoare triple {5312#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:50,961 INFO L280 TraceCheckUtils]: 32: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,961 INFO L280 TraceCheckUtils]: 33: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,962 INFO L280 TraceCheckUtils]: 34: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:50,962 INFO L280 TraceCheckUtils]: 35: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,963 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {4948#true} {5312#(<= |fibo1_#in~n| 3)} #59#return; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:50,963 INFO L280 TraceCheckUtils]: 37: Hoare triple {5312#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:50,964 INFO L280 TraceCheckUtils]: 38: Hoare triple {5312#(<= |fibo1_#in~n| 3)} assume true; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:50,965 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {5312#(<= |fibo1_#in~n| 3)} {4948#true} #53#return; {5260#(<= fibo2_~n 4)} is VALID [2020-07-17 22:20:50,965 INFO L280 TraceCheckUtils]: 40: Hoare triple {5260#(<= fibo2_~n 4)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5260#(<= fibo2_~n 4)} is VALID [2020-07-17 22:20:50,965 INFO L263 TraceCheckUtils]: 41: Hoare triple {5260#(<= fibo2_~n 4)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:50,966 INFO L280 TraceCheckUtils]: 42: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,967 INFO L280 TraceCheckUtils]: 43: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,967 INFO L280 TraceCheckUtils]: 44: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,967 INFO L263 TraceCheckUtils]: 45: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:50,968 INFO L280 TraceCheckUtils]: 46: Hoare triple {4948#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:50,969 INFO L280 TraceCheckUtils]: 47: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5354#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-17 22:20:50,969 INFO L280 TraceCheckUtils]: 48: Hoare triple {5354#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:50,970 INFO L263 TraceCheckUtils]: 49: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:50,970 INFO L280 TraceCheckUtils]: 50: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,970 INFO L280 TraceCheckUtils]: 51: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,970 INFO L280 TraceCheckUtils]: 52: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:50,970 INFO L280 TraceCheckUtils]: 53: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,971 INFO L275 TraceCheckUtils]: 54: Hoare quadruple {4948#true} {5355#(<= 2 |fibo2_#in~n|)} #53#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:50,972 INFO L280 TraceCheckUtils]: 55: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:50,972 INFO L263 TraceCheckUtils]: 56: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:50,972 INFO L280 TraceCheckUtils]: 57: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,972 INFO L280 TraceCheckUtils]: 58: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:50,973 INFO L280 TraceCheckUtils]: 59: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,973 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {4948#true} {5355#(<= 2 |fibo2_#in~n|)} #55#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:50,974 INFO L280 TraceCheckUtils]: 61: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:50,974 INFO L280 TraceCheckUtils]: 62: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume true; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:50,976 INFO L275 TraceCheckUtils]: 63: Hoare quadruple {5355#(<= 2 |fibo2_#in~n|)} {5293#(= fibo1_~n |fibo1_#in~n|)} #57#return; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,976 INFO L280 TraceCheckUtils]: 64: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,976 INFO L263 TraceCheckUtils]: 65: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:50,977 INFO L280 TraceCheckUtils]: 66: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,977 INFO L280 TraceCheckUtils]: 67: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,977 INFO L280 TraceCheckUtils]: 68: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:50,977 INFO L280 TraceCheckUtils]: 69: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,978 INFO L275 TraceCheckUtils]: 70: Hoare quadruple {4948#true} {5348#(<= 3 |fibo1_#in~n|)} #59#return; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,978 INFO L280 TraceCheckUtils]: 71: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,979 INFO L280 TraceCheckUtils]: 72: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume true; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:50,980 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {5348#(<= 3 |fibo1_#in~n|)} {5260#(<= fibo2_~n 4)} #55#return; {4949#false} is VALID [2020-07-17 22:20:50,980 INFO L280 TraceCheckUtils]: 74: Hoare triple {4949#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {4949#false} is VALID [2020-07-17 22:20:50,981 INFO L280 TraceCheckUtils]: 75: Hoare triple {4949#false} assume true; {4949#false} is VALID [2020-07-17 22:20:50,981 INFO L275 TraceCheckUtils]: 76: Hoare quadruple {4949#false} {4948#true} #57#return; {4949#false} is VALID [2020-07-17 22:20:50,981 INFO L280 TraceCheckUtils]: 77: Hoare triple {4949#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4949#false} is VALID [2020-07-17 22:20:50,981 INFO L263 TraceCheckUtils]: 78: Hoare triple {4949#false} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:50,981 INFO L280 TraceCheckUtils]: 79: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,981 INFO L280 TraceCheckUtils]: 80: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,982 INFO L280 TraceCheckUtils]: 81: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:50,982 INFO L263 TraceCheckUtils]: 82: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:50,982 INFO L280 TraceCheckUtils]: 83: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,982 INFO L280 TraceCheckUtils]: 84: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,982 INFO L280 TraceCheckUtils]: 85: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:50,983 INFO L263 TraceCheckUtils]: 86: Hoare triple {4948#true} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:50,983 INFO L280 TraceCheckUtils]: 87: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,983 INFO L280 TraceCheckUtils]: 88: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,983 INFO L280 TraceCheckUtils]: 89: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:50,983 INFO L280 TraceCheckUtils]: 90: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,984 INFO L275 TraceCheckUtils]: 91: Hoare quadruple {4948#true} {4948#true} #57#return; {4948#true} is VALID [2020-07-17 22:20:50,984 INFO L280 TraceCheckUtils]: 92: Hoare triple {4948#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:50,984 INFO L263 TraceCheckUtils]: 93: Hoare triple {4948#true} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:50,984 INFO L280 TraceCheckUtils]: 94: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,984 INFO L280 TraceCheckUtils]: 95: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,984 INFO L280 TraceCheckUtils]: 96: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:50,985 INFO L280 TraceCheckUtils]: 97: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,985 INFO L275 TraceCheckUtils]: 98: Hoare quadruple {4948#true} {4948#true} #59#return; {4948#true} is VALID [2020-07-17 22:20:50,985 INFO L280 TraceCheckUtils]: 99: Hoare triple {4948#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4948#true} is VALID [2020-07-17 22:20:50,985 INFO L280 TraceCheckUtils]: 100: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,985 INFO L275 TraceCheckUtils]: 101: Hoare quadruple {4948#true} {4948#true} #53#return; {4948#true} is VALID [2020-07-17 22:20:50,985 INFO L280 TraceCheckUtils]: 102: Hoare triple {4948#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:50,986 INFO L263 TraceCheckUtils]: 103: Hoare triple {4948#true} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:50,986 INFO L280 TraceCheckUtils]: 104: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,986 INFO L280 TraceCheckUtils]: 105: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,986 INFO L280 TraceCheckUtils]: 106: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:50,986 INFO L263 TraceCheckUtils]: 107: Hoare triple {4948#true} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:50,987 INFO L280 TraceCheckUtils]: 108: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,987 INFO L280 TraceCheckUtils]: 109: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,987 INFO L280 TraceCheckUtils]: 110: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:50,987 INFO L263 TraceCheckUtils]: 111: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:50,987 INFO L280 TraceCheckUtils]: 112: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,987 INFO L280 TraceCheckUtils]: 113: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,988 INFO L280 TraceCheckUtils]: 114: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:50,988 INFO L280 TraceCheckUtils]: 115: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,988 INFO L275 TraceCheckUtils]: 116: Hoare quadruple {4948#true} {4948#true} #53#return; {4948#true} is VALID [2020-07-17 22:20:50,988 INFO L280 TraceCheckUtils]: 117: Hoare triple {4948#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:50,988 INFO L263 TraceCheckUtils]: 118: Hoare triple {4948#true} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:50,989 INFO L280 TraceCheckUtils]: 119: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,989 INFO L280 TraceCheckUtils]: 120: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:50,989 INFO L280 TraceCheckUtils]: 121: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,989 INFO L275 TraceCheckUtils]: 122: Hoare quadruple {4948#true} {4948#true} #55#return; {4948#true} is VALID [2020-07-17 22:20:50,990 INFO L280 TraceCheckUtils]: 123: Hoare triple {4948#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {4948#true} is VALID [2020-07-17 22:20:50,990 INFO L280 TraceCheckUtils]: 124: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,990 INFO L275 TraceCheckUtils]: 125: Hoare quadruple {4948#true} {4948#true} #57#return; {4948#true} is VALID [2020-07-17 22:20:50,990 INFO L280 TraceCheckUtils]: 126: Hoare triple {4948#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:50,990 INFO L263 TraceCheckUtils]: 127: Hoare triple {4948#true} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:50,991 INFO L280 TraceCheckUtils]: 128: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:50,991 INFO L280 TraceCheckUtils]: 129: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:50,991 INFO L280 TraceCheckUtils]: 130: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:50,991 INFO L280 TraceCheckUtils]: 131: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,991 INFO L275 TraceCheckUtils]: 132: Hoare quadruple {4948#true} {4948#true} #59#return; {4948#true} is VALID [2020-07-17 22:20:50,992 INFO L280 TraceCheckUtils]: 133: Hoare triple {4948#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4948#true} is VALID [2020-07-17 22:20:50,992 INFO L280 TraceCheckUtils]: 134: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,992 INFO L275 TraceCheckUtils]: 135: Hoare quadruple {4948#true} {4948#true} #55#return; {4948#true} is VALID [2020-07-17 22:20:50,992 INFO L280 TraceCheckUtils]: 136: Hoare triple {4948#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {4948#true} is VALID [2020-07-17 22:20:50,992 INFO L280 TraceCheckUtils]: 137: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:50,992 INFO L275 TraceCheckUtils]: 138: Hoare quadruple {4948#true} {4949#false} #59#return; {4949#false} is VALID [2020-07-17 22:20:50,993 INFO L280 TraceCheckUtils]: 139: Hoare triple {4949#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4949#false} is VALID [2020-07-17 22:20:50,993 INFO L280 TraceCheckUtils]: 140: Hoare triple {4949#false} assume true; {4949#false} is VALID [2020-07-17 22:20:50,993 INFO L275 TraceCheckUtils]: 141: Hoare quadruple {4949#false} {4952#(<= main_~x~0 5)} #51#return; {4949#false} is VALID [2020-07-17 22:20:51,005 INFO L263 TraceCheckUtils]: 0: Hoare triple {4948#true} call ULTIMATE.init(); {4948#true} is VALID [2020-07-17 22:20:51,005 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:51,006 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4948#true} {4948#true} #47#return; {4948#true} is VALID [2020-07-17 22:20:51,006 INFO L263 TraceCheckUtils]: 3: Hoare triple {4948#true} call #t~ret5 := main(); {4948#true} is VALID [2020-07-17 22:20:51,007 INFO L280 TraceCheckUtils]: 4: Hoare triple {4948#true} ~x~0 := 5; {4952#(<= main_~x~0 5)} is VALID [2020-07-17 22:20:51,007 INFO L263 TraceCheckUtils]: 5: Hoare triple {4952#(<= main_~x~0 5)} call #t~ret4 := fibo1(~x~0); {4948#true} is VALID [2020-07-17 22:20:51,007 INFO L280 TraceCheckUtils]: 6: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:51,007 INFO L280 TraceCheckUtils]: 7: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:51,008 INFO L280 TraceCheckUtils]: 8: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:51,008 INFO L263 TraceCheckUtils]: 9: Hoare triple {4948#true} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:51,008 INFO L280 TraceCheckUtils]: 10: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:51,008 INFO L280 TraceCheckUtils]: 11: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:51,008 INFO L280 TraceCheckUtils]: 12: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:51,008 INFO L263 TraceCheckUtils]: 13: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:51,009 INFO L280 TraceCheckUtils]: 14: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:51,010 INFO L280 TraceCheckUtils]: 15: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:51,010 INFO L280 TraceCheckUtils]: 16: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:51,010 INFO L263 TraceCheckUtils]: 17: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:51,011 INFO L280 TraceCheckUtils]: 18: Hoare triple {4948#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:51,012 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 22:20:51,012 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 22:20:51,012 INFO L263 TraceCheckUtils]: 21: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:51,013 INFO L280 TraceCheckUtils]: 22: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:51,013 INFO L280 TraceCheckUtils]: 23: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:51,014 INFO L280 TraceCheckUtils]: 24: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {5329#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:51,015 INFO L280 TraceCheckUtils]: 25: Hoare triple {5329#(<= |fibo1_#in~n| 1)} assume true; {5329#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:51,016 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {5329#(<= |fibo1_#in~n| 1)} {5318#(= fibo2_~n |fibo2_#in~n|)} #53#return; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:51,016 INFO L280 TraceCheckUtils]: 27: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:51,017 INFO L263 TraceCheckUtils]: 28: Hoare triple {5324#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:51,017 INFO L280 TraceCheckUtils]: 29: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:51,017 INFO L280 TraceCheckUtils]: 30: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:51,017 INFO L280 TraceCheckUtils]: 31: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:51,018 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {4948#true} {5324#(<= |fibo2_#in~n| 2)} #55#return; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:51,019 INFO L280 TraceCheckUtils]: 33: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:51,019 INFO L280 TraceCheckUtils]: 34: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume true; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:51,020 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {5324#(<= |fibo2_#in~n| 2)} {5293#(= fibo1_~n |fibo1_#in~n|)} #57#return; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:51,021 INFO L280 TraceCheckUtils]: 36: Hoare triple {5312#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:51,021 INFO L263 TraceCheckUtils]: 37: Hoare triple {5312#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:51,022 INFO L280 TraceCheckUtils]: 38: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:51,022 INFO L280 TraceCheckUtils]: 39: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:51,022 INFO L280 TraceCheckUtils]: 40: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:51,022 INFO L280 TraceCheckUtils]: 41: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:51,023 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {4948#true} {5312#(<= |fibo1_#in~n| 3)} #59#return; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:51,024 INFO L280 TraceCheckUtils]: 43: Hoare triple {5312#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:51,024 INFO L280 TraceCheckUtils]: 44: Hoare triple {5312#(<= |fibo1_#in~n| 3)} assume true; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:51,025 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {5312#(<= |fibo1_#in~n| 3)} {4948#true} #53#return; {5260#(<= fibo2_~n 4)} is VALID [2020-07-17 22:20:51,026 INFO L280 TraceCheckUtils]: 46: Hoare triple {5260#(<= fibo2_~n 4)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5260#(<= fibo2_~n 4)} is VALID [2020-07-17 22:20:51,026 INFO L263 TraceCheckUtils]: 47: Hoare triple {5260#(<= fibo2_~n 4)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:51,027 INFO L280 TraceCheckUtils]: 48: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:51,027 INFO L280 TraceCheckUtils]: 49: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:51,028 INFO L280 TraceCheckUtils]: 50: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:51,028 INFO L263 TraceCheckUtils]: 51: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:51,028 INFO L280 TraceCheckUtils]: 52: Hoare triple {4948#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:51,029 INFO L280 TraceCheckUtils]: 53: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5354#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-17 22:20:51,030 INFO L280 TraceCheckUtils]: 54: Hoare triple {5354#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:51,030 INFO L263 TraceCheckUtils]: 55: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:51,030 INFO L280 TraceCheckUtils]: 56: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:51,030 INFO L280 TraceCheckUtils]: 57: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:51,031 INFO L280 TraceCheckUtils]: 58: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:51,031 INFO L280 TraceCheckUtils]: 59: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:51,032 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {4948#true} {5355#(<= 2 |fibo2_#in~n|)} #53#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:51,032 INFO L280 TraceCheckUtils]: 61: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:51,033 INFO L263 TraceCheckUtils]: 62: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:51,033 INFO L280 TraceCheckUtils]: 63: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:51,033 INFO L280 TraceCheckUtils]: 64: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:51,033 INFO L280 TraceCheckUtils]: 65: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:51,034 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {4948#true} {5355#(<= 2 |fibo2_#in~n|)} #55#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:51,034 INFO L280 TraceCheckUtils]: 67: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:51,035 INFO L280 TraceCheckUtils]: 68: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume true; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:51,036 INFO L275 TraceCheckUtils]: 69: Hoare quadruple {5355#(<= 2 |fibo2_#in~n|)} {5293#(= fibo1_~n |fibo1_#in~n|)} #57#return; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:51,037 INFO L280 TraceCheckUtils]: 70: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:51,037 INFO L263 TraceCheckUtils]: 71: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:51,037 INFO L280 TraceCheckUtils]: 72: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:51,037 INFO L280 TraceCheckUtils]: 73: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:51,038 INFO L280 TraceCheckUtils]: 74: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:51,038 INFO L280 TraceCheckUtils]: 75: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:51,039 INFO L275 TraceCheckUtils]: 76: Hoare quadruple {4948#true} {5348#(<= 3 |fibo1_#in~n|)} #59#return; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:51,039 INFO L280 TraceCheckUtils]: 77: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:51,040 INFO L280 TraceCheckUtils]: 78: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume true; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:51,041 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {5348#(<= 3 |fibo1_#in~n|)} {5260#(<= fibo2_~n 4)} #55#return; {4949#false} is VALID [2020-07-17 22:20:51,041 INFO L280 TraceCheckUtils]: 80: Hoare triple {4949#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {4949#false} is VALID [2020-07-17 22:20:51,041 INFO L280 TraceCheckUtils]: 81: Hoare triple {4949#false} assume true; {4949#false} is VALID [2020-07-17 22:20:51,042 INFO L275 TraceCheckUtils]: 82: Hoare quadruple {4949#false} {4948#true} #57#return; {4949#false} is VALID [2020-07-17 22:20:51,042 INFO L280 TraceCheckUtils]: 83: Hoare triple {4949#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4949#false} is VALID [2020-07-17 22:20:51,042 INFO L263 TraceCheckUtils]: 84: Hoare triple {4949#false} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:51,042 INFO L280 TraceCheckUtils]: 85: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:51,042 INFO L280 TraceCheckUtils]: 86: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:51,042 INFO L280 TraceCheckUtils]: 87: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:51,043 INFO L263 TraceCheckUtils]: 88: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:51,043 INFO L280 TraceCheckUtils]: 89: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:51,043 INFO L280 TraceCheckUtils]: 90: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:51,043 INFO L280 TraceCheckUtils]: 91: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:51,043 INFO L263 TraceCheckUtils]: 92: Hoare triple {4948#true} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:51,043 INFO L280 TraceCheckUtils]: 93: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:51,044 INFO L280 TraceCheckUtils]: 94: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:51,044 INFO L280 TraceCheckUtils]: 95: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:51,044 INFO L280 TraceCheckUtils]: 96: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:51,044 INFO L275 TraceCheckUtils]: 97: Hoare quadruple {4948#true} {4948#true} #57#return; {4948#true} is VALID [2020-07-17 22:20:51,044 INFO L280 TraceCheckUtils]: 98: Hoare triple {4948#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:51,045 INFO L263 TraceCheckUtils]: 99: Hoare triple {4948#true} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:51,045 INFO L280 TraceCheckUtils]: 100: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:51,045 INFO L280 TraceCheckUtils]: 101: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:51,045 INFO L280 TraceCheckUtils]: 102: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:51,045 INFO L280 TraceCheckUtils]: 103: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:51,046 INFO L275 TraceCheckUtils]: 104: Hoare quadruple {4948#true} {4948#true} #59#return; {4948#true} is VALID [2020-07-17 22:20:51,046 INFO L280 TraceCheckUtils]: 105: Hoare triple {4948#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4948#true} is VALID [2020-07-17 22:20:51,046 INFO L280 TraceCheckUtils]: 106: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:51,046 INFO L275 TraceCheckUtils]: 107: Hoare quadruple {4948#true} {4948#true} #53#return; {4948#true} is VALID [2020-07-17 22:20:51,046 INFO L280 TraceCheckUtils]: 108: Hoare triple {4948#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:51,046 INFO L263 TraceCheckUtils]: 109: Hoare triple {4948#true} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:51,047 INFO L280 TraceCheckUtils]: 110: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:51,047 INFO L280 TraceCheckUtils]: 111: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:51,047 INFO L280 TraceCheckUtils]: 112: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:51,047 INFO L263 TraceCheckUtils]: 113: Hoare triple {4948#true} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:51,047 INFO L280 TraceCheckUtils]: 114: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:51,047 INFO L280 TraceCheckUtils]: 115: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:51,048 INFO L280 TraceCheckUtils]: 116: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:51,048 INFO L263 TraceCheckUtils]: 117: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:51,048 INFO L280 TraceCheckUtils]: 118: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:51,048 INFO L280 TraceCheckUtils]: 119: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:51,048 INFO L280 TraceCheckUtils]: 120: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:51,049 INFO L280 TraceCheckUtils]: 121: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:51,049 INFO L275 TraceCheckUtils]: 122: Hoare quadruple {4948#true} {4948#true} #53#return; {4948#true} is VALID [2020-07-17 22:20:51,049 INFO L280 TraceCheckUtils]: 123: Hoare triple {4948#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:51,049 INFO L263 TraceCheckUtils]: 124: Hoare triple {4948#true} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:51,049 INFO L280 TraceCheckUtils]: 125: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:51,049 INFO L280 TraceCheckUtils]: 126: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:51,050 INFO L280 TraceCheckUtils]: 127: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:51,050 INFO L275 TraceCheckUtils]: 128: Hoare quadruple {4948#true} {4948#true} #55#return; {4948#true} is VALID [2020-07-17 22:20:51,050 INFO L280 TraceCheckUtils]: 129: Hoare triple {4948#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {4948#true} is VALID [2020-07-17 22:20:51,050 INFO L280 TraceCheckUtils]: 130: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:51,050 INFO L275 TraceCheckUtils]: 131: Hoare quadruple {4948#true} {4948#true} #57#return; {4948#true} is VALID [2020-07-17 22:20:51,051 INFO L280 TraceCheckUtils]: 132: Hoare triple {4948#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:51,051 INFO L263 TraceCheckUtils]: 133: Hoare triple {4948#true} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:51,051 INFO L280 TraceCheckUtils]: 134: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:51,051 INFO L280 TraceCheckUtils]: 135: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:51,051 INFO L280 TraceCheckUtils]: 136: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:51,052 INFO L280 TraceCheckUtils]: 137: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:51,052 INFO L275 TraceCheckUtils]: 138: Hoare quadruple {4948#true} {4948#true} #59#return; {4948#true} is VALID [2020-07-17 22:20:51,052 INFO L280 TraceCheckUtils]: 139: Hoare triple {4948#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4948#true} is VALID [2020-07-17 22:20:51,052 INFO L280 TraceCheckUtils]: 140: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:51,052 INFO L275 TraceCheckUtils]: 141: Hoare quadruple {4948#true} {4948#true} #55#return; {4948#true} is VALID [2020-07-17 22:20:51,052 INFO L280 TraceCheckUtils]: 142: Hoare triple {4948#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {4948#true} is VALID [2020-07-17 22:20:51,053 INFO L280 TraceCheckUtils]: 143: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:51,053 INFO L275 TraceCheckUtils]: 144: Hoare quadruple {4948#true} {4949#false} #59#return; {4949#false} is VALID [2020-07-17 22:20:51,053 INFO L280 TraceCheckUtils]: 145: Hoare triple {4949#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4949#false} is VALID [2020-07-17 22:20:51,053 INFO L280 TraceCheckUtils]: 146: Hoare triple {4949#false} assume true; {4949#false} is VALID [2020-07-17 22:20:51,053 INFO L275 TraceCheckUtils]: 147: Hoare quadruple {4949#false} {4952#(<= main_~x~0 5)} #51#return; {4949#false} is VALID [2020-07-17 22:20:51,053 INFO L280 TraceCheckUtils]: 148: Hoare triple {4949#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {4949#false} is VALID [2020-07-17 22:20:51,054 INFO L280 TraceCheckUtils]: 149: Hoare triple {4949#false} assume 5 == ~result~0; {4949#false} is VALID [2020-07-17 22:20:51,054 INFO L280 TraceCheckUtils]: 150: Hoare triple {4949#false} assume !false; {4949#false} is VALID [2020-07-17 22:20:51,068 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 66 proven. 189 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2020-07-17 22:20:51,068 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981874484] [2020-07-17 22:20:51,068 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971815370] [2020-07-17 22:20:51,069 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:20:51,134 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-07-17 22:20:51,134 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-17 22:20:51,136 INFO L264 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-17 22:20:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:51,171 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 22:20:51,476 INFO L263 TraceCheckUtils]: 0: Hoare triple {4948#true} call ULTIMATE.init(); {4948#true} is VALID [2020-07-17 22:20:51,477 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:51,477 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4948#true} {4948#true} #47#return; {4948#true} is VALID [2020-07-17 22:20:51,477 INFO L263 TraceCheckUtils]: 3: Hoare triple {4948#true} call #t~ret5 := main(); {4948#true} is VALID [2020-07-17 22:20:51,478 INFO L280 TraceCheckUtils]: 4: Hoare triple {4948#true} ~x~0 := 5; {4952#(<= main_~x~0 5)} is VALID [2020-07-17 22:20:51,478 INFO L263 TraceCheckUtils]: 5: Hoare triple {4952#(<= main_~x~0 5)} call #t~ret4 := fibo1(~x~0); {4948#true} is VALID [2020-07-17 22:20:51,480 INFO L280 TraceCheckUtils]: 6: Hoare triple {4948#true} ~n := #in~n; {5479#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:51,481 INFO L280 TraceCheckUtils]: 7: Hoare triple {5479#(<= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5479#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:51,481 INFO L280 TraceCheckUtils]: 8: Hoare triple {5479#(<= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5479#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:51,482 INFO L263 TraceCheckUtils]: 9: Hoare triple {5479#(<= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:51,482 INFO L280 TraceCheckUtils]: 10: Hoare triple {4948#true} ~n := #in~n; {5492#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:51,482 INFO L280 TraceCheckUtils]: 11: Hoare triple {5492#(<= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5492#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:51,483 INFO L280 TraceCheckUtils]: 12: Hoare triple {5492#(<= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {5492#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:51,483 INFO L263 TraceCheckUtils]: 13: Hoare triple {5492#(<= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:51,483 INFO L280 TraceCheckUtils]: 14: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:51,483 INFO L280 TraceCheckUtils]: 15: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:51,483 INFO L280 TraceCheckUtils]: 16: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:51,483 INFO L263 TraceCheckUtils]: 17: Hoare triple {4948#true} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:51,484 INFO L280 TraceCheckUtils]: 18: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:51,484 INFO L280 TraceCheckUtils]: 19: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:51,484 INFO L280 TraceCheckUtils]: 20: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:51,484 INFO L263 TraceCheckUtils]: 21: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:51,485 INFO L280 TraceCheckUtils]: 22: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:51,485 INFO L280 TraceCheckUtils]: 23: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:51,485 INFO L280 TraceCheckUtils]: 24: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:51,486 INFO L280 TraceCheckUtils]: 25: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:51,486 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {4948#true} {4948#true} #53#return; {4948#true} is VALID [2020-07-17 22:20:51,486 INFO L280 TraceCheckUtils]: 27: Hoare triple {4948#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:51,486 INFO L263 TraceCheckUtils]: 28: Hoare triple {4948#true} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:51,487 INFO L280 TraceCheckUtils]: 29: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:51,487 INFO L280 TraceCheckUtils]: 30: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:51,487 INFO L280 TraceCheckUtils]: 31: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:51,487 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {4948#true} {4948#true} #55#return; {4948#true} is VALID [2020-07-17 22:20:51,487 INFO L280 TraceCheckUtils]: 33: Hoare triple {4948#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {4948#true} is VALID [2020-07-17 22:20:51,487 INFO L280 TraceCheckUtils]: 34: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:51,488 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {4948#true} {4948#true} #57#return; {4948#true} is VALID [2020-07-17 22:20:51,488 INFO L280 TraceCheckUtils]: 36: Hoare triple {4948#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:51,488 INFO L263 TraceCheckUtils]: 37: Hoare triple {4948#true} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:51,488 INFO L280 TraceCheckUtils]: 38: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:51,488 INFO L280 TraceCheckUtils]: 39: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:51,488 INFO L280 TraceCheckUtils]: 40: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:51,488 INFO L280 TraceCheckUtils]: 41: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:51,489 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {4948#true} {4948#true} #59#return; {4948#true} is VALID [2020-07-17 22:20:51,489 INFO L280 TraceCheckUtils]: 43: Hoare triple {4948#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4948#true} is VALID [2020-07-17 22:20:51,489 INFO L280 TraceCheckUtils]: 44: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:51,490 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {4948#true} {5492#(<= fibo2_~n |fibo2_#in~n|)} #53#return; {5492#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:51,490 INFO L280 TraceCheckUtils]: 46: Hoare triple {5492#(<= fibo2_~n |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5492#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:51,490 INFO L263 TraceCheckUtils]: 47: Hoare triple {5492#(<= fibo2_~n |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:51,491 INFO L280 TraceCheckUtils]: 48: Hoare triple {4948#true} ~n := #in~n; {5479#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:51,491 INFO L280 TraceCheckUtils]: 49: Hoare triple {5479#(<= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5479#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:51,491 INFO L280 TraceCheckUtils]: 50: Hoare triple {5479#(<= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5479#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:51,492 INFO L263 TraceCheckUtils]: 51: Hoare triple {5479#(<= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:51,492 INFO L280 TraceCheckUtils]: 52: Hoare triple {4948#true} ~n := #in~n; {5492#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:51,492 INFO L280 TraceCheckUtils]: 53: Hoare triple {5492#(<= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5492#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:51,493 INFO L280 TraceCheckUtils]: 54: Hoare triple {5492#(<= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {5492#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:51,493 INFO L263 TraceCheckUtils]: 55: Hoare triple {5492#(<= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:51,493 INFO L280 TraceCheckUtils]: 56: Hoare triple {4948#true} ~n := #in~n; {5479#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:51,494 INFO L280 TraceCheckUtils]: 57: Hoare triple {5479#(<= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5634#(<= 1 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:51,495 INFO L280 TraceCheckUtils]: 58: Hoare triple {5634#(<= 1 |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {5634#(<= 1 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:51,495 INFO L280 TraceCheckUtils]: 59: Hoare triple {5634#(<= 1 |fibo1_#in~n|)} assume true; {5634#(<= 1 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:51,497 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {5634#(<= 1 |fibo1_#in~n|)} {5492#(<= fibo2_~n |fibo2_#in~n|)} #53#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:51,497 INFO L280 TraceCheckUtils]: 61: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:51,498 INFO L263 TraceCheckUtils]: 62: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:51,498 INFO L280 TraceCheckUtils]: 63: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:51,498 INFO L280 TraceCheckUtils]: 64: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:51,498 INFO L280 TraceCheckUtils]: 65: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:51,498 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {4948#true} {5355#(<= 2 |fibo2_#in~n|)} #55#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:51,499 INFO L280 TraceCheckUtils]: 67: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:51,499 INFO L280 TraceCheckUtils]: 68: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume true; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:51,501 INFO L275 TraceCheckUtils]: 69: Hoare quadruple {5355#(<= 2 |fibo2_#in~n|)} {5479#(<= fibo1_~n |fibo1_#in~n|)} #57#return; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:51,501 INFO L280 TraceCheckUtils]: 70: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:51,501 INFO L263 TraceCheckUtils]: 71: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:51,502 INFO L280 TraceCheckUtils]: 72: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:51,502 INFO L280 TraceCheckUtils]: 73: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:51,502 INFO L280 TraceCheckUtils]: 74: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:51,502 INFO L280 TraceCheckUtils]: 75: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:51,503 INFO L275 TraceCheckUtils]: 76: Hoare quadruple {4948#true} {5348#(<= 3 |fibo1_#in~n|)} #59#return; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:51,504 INFO L280 TraceCheckUtils]: 77: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:51,504 INFO L280 TraceCheckUtils]: 78: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume true; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:51,505 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {5348#(<= 3 |fibo1_#in~n|)} {5492#(<= fibo2_~n |fibo2_#in~n|)} #55#return; {5701#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:51,506 INFO L280 TraceCheckUtils]: 80: Hoare triple {5701#(<= 5 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {5701#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:51,506 INFO L280 TraceCheckUtils]: 81: Hoare triple {5701#(<= 5 |fibo2_#in~n|)} assume true; {5701#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:51,507 INFO L275 TraceCheckUtils]: 82: Hoare quadruple {5701#(<= 5 |fibo2_#in~n|)} {5479#(<= fibo1_~n |fibo1_#in~n|)} #57#return; {5711#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:51,508 INFO L280 TraceCheckUtils]: 83: Hoare triple {5711#(<= 6 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5711#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:51,508 INFO L263 TraceCheckUtils]: 84: Hoare triple {5711#(<= 6 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:51,508 INFO L280 TraceCheckUtils]: 85: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:51,508 INFO L280 TraceCheckUtils]: 86: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:51,509 INFO L280 TraceCheckUtils]: 87: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:51,509 INFO L263 TraceCheckUtils]: 88: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:51,509 INFO L280 TraceCheckUtils]: 89: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:51,509 INFO L280 TraceCheckUtils]: 90: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:51,510 INFO L280 TraceCheckUtils]: 91: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:51,510 INFO L263 TraceCheckUtils]: 92: Hoare triple {4948#true} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:51,510 INFO L280 TraceCheckUtils]: 93: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:51,510 INFO L280 TraceCheckUtils]: 94: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:51,510 INFO L280 TraceCheckUtils]: 95: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:51,511 INFO L280 TraceCheckUtils]: 96: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:51,511 INFO L275 TraceCheckUtils]: 97: Hoare quadruple {4948#true} {4948#true} #57#return; {4948#true} is VALID [2020-07-17 22:20:51,511 INFO L280 TraceCheckUtils]: 98: Hoare triple {4948#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:51,511 INFO L263 TraceCheckUtils]: 99: Hoare triple {4948#true} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:51,511 INFO L280 TraceCheckUtils]: 100: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:51,512 INFO L280 TraceCheckUtils]: 101: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:51,512 INFO L280 TraceCheckUtils]: 102: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:51,512 INFO L280 TraceCheckUtils]: 103: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:51,512 INFO L275 TraceCheckUtils]: 104: Hoare quadruple {4948#true} {4948#true} #59#return; {4948#true} is VALID [2020-07-17 22:20:51,512 INFO L280 TraceCheckUtils]: 105: Hoare triple {4948#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4948#true} is VALID [2020-07-17 22:20:51,512 INFO L280 TraceCheckUtils]: 106: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:51,512 INFO L275 TraceCheckUtils]: 107: Hoare quadruple {4948#true} {4948#true} #53#return; {4948#true} is VALID [2020-07-17 22:20:51,512 INFO L280 TraceCheckUtils]: 108: Hoare triple {4948#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:51,512 INFO L263 TraceCheckUtils]: 109: Hoare triple {4948#true} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:51,513 INFO L280 TraceCheckUtils]: 110: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:51,513 INFO L280 TraceCheckUtils]: 111: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:51,513 INFO L280 TraceCheckUtils]: 112: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:51,513 INFO L263 TraceCheckUtils]: 113: Hoare triple {4948#true} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-17 22:20:51,513 INFO L280 TraceCheckUtils]: 114: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:51,513 INFO L280 TraceCheckUtils]: 115: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:51,513 INFO L280 TraceCheckUtils]: 116: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-17 22:20:51,513 INFO L263 TraceCheckUtils]: 117: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-17 22:20:51,514 INFO L280 TraceCheckUtils]: 118: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:51,514 INFO L280 TraceCheckUtils]: 119: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:51,514 INFO L280 TraceCheckUtils]: 120: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:51,514 INFO L280 TraceCheckUtils]: 121: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:51,514 INFO L275 TraceCheckUtils]: 122: Hoare quadruple {4948#true} {4948#true} #53#return; {4948#true} is VALID [2020-07-17 22:20:51,514 INFO L280 TraceCheckUtils]: 123: Hoare triple {4948#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:51,514 INFO L263 TraceCheckUtils]: 124: Hoare triple {4948#true} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-17 22:20:51,514 INFO L280 TraceCheckUtils]: 125: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:51,515 INFO L280 TraceCheckUtils]: 126: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-17 22:20:51,515 INFO L280 TraceCheckUtils]: 127: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:51,515 INFO L275 TraceCheckUtils]: 128: Hoare quadruple {4948#true} {4948#true} #55#return; {4948#true} is VALID [2020-07-17 22:20:51,515 INFO L280 TraceCheckUtils]: 129: Hoare triple {4948#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {4948#true} is VALID [2020-07-17 22:20:51,515 INFO L280 TraceCheckUtils]: 130: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:51,515 INFO L275 TraceCheckUtils]: 131: Hoare quadruple {4948#true} {4948#true} #57#return; {4948#true} is VALID [2020-07-17 22:20:51,515 INFO L280 TraceCheckUtils]: 132: Hoare triple {4948#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4948#true} is VALID [2020-07-17 22:20:51,515 INFO L263 TraceCheckUtils]: 133: Hoare triple {4948#true} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-17 22:20:51,516 INFO L280 TraceCheckUtils]: 134: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-17 22:20:51,516 INFO L280 TraceCheckUtils]: 135: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-17 22:20:51,516 INFO L280 TraceCheckUtils]: 136: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-17 22:20:51,516 INFO L280 TraceCheckUtils]: 137: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:51,516 INFO L275 TraceCheckUtils]: 138: Hoare quadruple {4948#true} {4948#true} #59#return; {4948#true} is VALID [2020-07-17 22:20:51,517 INFO L280 TraceCheckUtils]: 139: Hoare triple {4948#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4948#true} is VALID [2020-07-17 22:20:51,517 INFO L280 TraceCheckUtils]: 140: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:51,517 INFO L275 TraceCheckUtils]: 141: Hoare quadruple {4948#true} {4948#true} #55#return; {4948#true} is VALID [2020-07-17 22:20:51,517 INFO L280 TraceCheckUtils]: 142: Hoare triple {4948#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {4948#true} is VALID [2020-07-17 22:20:51,517 INFO L280 TraceCheckUtils]: 143: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-17 22:20:51,524 INFO L275 TraceCheckUtils]: 144: Hoare quadruple {4948#true} {5711#(<= 6 |fibo1_#in~n|)} #59#return; {5711#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:51,525 INFO L280 TraceCheckUtils]: 145: Hoare triple {5711#(<= 6 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {5711#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:51,526 INFO L280 TraceCheckUtils]: 146: Hoare triple {5711#(<= 6 |fibo1_#in~n|)} assume true; {5711#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:51,527 INFO L275 TraceCheckUtils]: 147: Hoare quadruple {5711#(<= 6 |fibo1_#in~n|)} {4952#(<= main_~x~0 5)} #51#return; {4949#false} is VALID [2020-07-17 22:20:51,527 INFO L280 TraceCheckUtils]: 148: Hoare triple {4949#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {4949#false} is VALID [2020-07-17 22:20:51,527 INFO L280 TraceCheckUtils]: 149: Hoare triple {4949#false} assume 5 == ~result~0; {4949#false} is VALID [2020-07-17 22:20:51,528 INFO L280 TraceCheckUtils]: 150: Hoare triple {4949#false} assume !false; {4949#false} is VALID [2020-07-17 22:20:51,540 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 82 proven. 133 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2020-07-17 22:20:51,541 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 22:20:51,541 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 17 [2020-07-17 22:20:51,542 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842587765] [2020-07-17 22:20:51,542 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 151 [2020-07-17 22:20:51,575 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:20:51,575 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states. [2020-07-17 22:20:51,700 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 108 edges. 108 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:20:51,701 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-17 22:20:51,701 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:20:51,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-17 22:20:51,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2020-07-17 22:20:51,702 INFO L87 Difference]: Start difference. First operand 101 states and 154 transitions. Second operand 17 states. [2020-07-17 22:20:54,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:54,172 INFO L93 Difference]: Finished difference Result 253 states and 480 transitions. [2020-07-17 22:20:54,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-07-17 22:20:54,173 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 151 [2020-07-17 22:20:54,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:20:54,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-07-17 22:20:54,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 176 transitions. [2020-07-17 22:20:54,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-07-17 22:20:54,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 176 transitions. [2020-07-17 22:20:54,184 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 27 states and 176 transitions. [2020-07-17 22:20:54,430 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 176 edges. 176 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:20:54,436 INFO L225 Difference]: With dead ends: 253 [2020-07-17 22:20:54,436 INFO L226 Difference]: Without dead ends: 125 [2020-07-17 22:20:54,439 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=157, Invalid=835, Unknown=0, NotChecked=0, Total=992 [2020-07-17 22:20:54,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-07-17 22:20:54,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 111. [2020-07-17 22:20:54,533 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:20:54,533 INFO L82 GeneralOperation]: Start isEquivalent. First operand 125 states. Second operand 111 states. [2020-07-17 22:20:54,534 INFO L74 IsIncluded]: Start isIncluded. First operand 125 states. Second operand 111 states. [2020-07-17 22:20:54,534 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 111 states. [2020-07-17 22:20:54,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:54,540 INFO L93 Difference]: Finished difference Result 125 states and 175 transitions. [2020-07-17 22:20:54,541 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 175 transitions. [2020-07-17 22:20:54,542 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:54,542 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:54,542 INFO L74 IsIncluded]: Start isIncluded. First operand 111 states. Second operand 125 states. [2020-07-17 22:20:54,542 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 125 states. [2020-07-17 22:20:54,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:54,548 INFO L93 Difference]: Finished difference Result 125 states and 175 transitions. [2020-07-17 22:20:54,548 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 175 transitions. [2020-07-17 22:20:54,549 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:54,549 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:54,549 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:20:54,550 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:20:54,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-07-17 22:20:54,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 154 transitions. [2020-07-17 22:20:54,555 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 154 transitions. Word has length 151 [2020-07-17 22:20:54,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:20:54,555 INFO L479 AbstractCegarLoop]: Abstraction has 111 states and 154 transitions. [2020-07-17 22:20:54,555 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-17 22:20:54,555 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 154 transitions. [2020-07-17 22:20:54,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-07-17 22:20:54,558 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:20:54,558 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:20:54,771 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:20:54,772 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:20:54,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:20:54,772 INFO L82 PathProgramCache]: Analyzing trace with hash -878903457, now seen corresponding path program 1 times [2020-07-17 22:20:54,772 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:20:54,773 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798471128] [2020-07-17 22:20:54,773 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:20:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:54,841 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:54,841 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {6671#true} {6671#true} #47#return; {6671#true} is VALID [2020-07-17 22:20:54,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:54,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:54,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:55,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:55,040 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,042 INFO L280 TraceCheckUtils]: 1: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,042 INFO L280 TraceCheckUtils]: 2: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {6981#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:55,043 INFO L280 TraceCheckUtils]: 3: Hoare triple {6981#(<= |fibo1_#in~n| 1)} assume true; {6981#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:55,044 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6981#(<= |fibo1_#in~n| 1)} {6894#(= fibo2_~n |fibo2_#in~n|)} #53#return; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:55,049 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,049 INFO L280 TraceCheckUtils]: 1: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:55,049 INFO L280 TraceCheckUtils]: 2: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,050 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {6671#true} {6976#(<= |fibo2_#in~n| 2)} #55#return; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:55,051 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,052 INFO L280 TraceCheckUtils]: 1: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,052 INFO L280 TraceCheckUtils]: 2: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,052 INFO L263 TraceCheckUtils]: 3: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-17 22:20:55,053 INFO L280 TraceCheckUtils]: 4: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,053 INFO L280 TraceCheckUtils]: 5: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,054 INFO L280 TraceCheckUtils]: 6: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {6981#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:55,055 INFO L280 TraceCheckUtils]: 7: Hoare triple {6981#(<= |fibo1_#in~n| 1)} assume true; {6981#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:55,056 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {6981#(<= |fibo1_#in~n| 1)} {6894#(= fibo2_~n |fibo2_#in~n|)} #53#return; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:55,057 INFO L280 TraceCheckUtils]: 9: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:55,057 INFO L263 TraceCheckUtils]: 10: Hoare triple {6976#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-17 22:20:55,057 INFO L280 TraceCheckUtils]: 11: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,057 INFO L280 TraceCheckUtils]: 12: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:55,058 INFO L280 TraceCheckUtils]: 13: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,059 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {6671#true} {6976#(<= |fibo2_#in~n| 2)} #55#return; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:55,059 INFO L280 TraceCheckUtils]: 15: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:55,060 INFO L280 TraceCheckUtils]: 16: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume true; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:55,061 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {6976#(<= |fibo2_#in~n| 2)} {6946#(= fibo1_~n |fibo1_#in~n|)} #57#return; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:55,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:55,065 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,066 INFO L280 TraceCheckUtils]: 1: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:55,066 INFO L280 TraceCheckUtils]: 2: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-17 22:20:55,066 INFO L280 TraceCheckUtils]: 3: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,067 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6671#true} {6965#(<= |fibo1_#in~n| 3)} #59#return; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:55,068 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,068 INFO L280 TraceCheckUtils]: 1: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,069 INFO L280 TraceCheckUtils]: 2: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,069 INFO L263 TraceCheckUtils]: 3: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:55,070 INFO L280 TraceCheckUtils]: 4: Hoare triple {6671#true} ~n := #in~n; {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,070 INFO L280 TraceCheckUtils]: 5: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,071 INFO L280 TraceCheckUtils]: 6: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,071 INFO L263 TraceCheckUtils]: 7: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-17 22:20:55,072 INFO L280 TraceCheckUtils]: 8: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,072 INFO L280 TraceCheckUtils]: 9: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,073 INFO L280 TraceCheckUtils]: 10: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {6981#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:55,074 INFO L280 TraceCheckUtils]: 11: Hoare triple {6981#(<= |fibo1_#in~n| 1)} assume true; {6981#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:55,075 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {6981#(<= |fibo1_#in~n| 1)} {6894#(= fibo2_~n |fibo2_#in~n|)} #53#return; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:55,076 INFO L280 TraceCheckUtils]: 13: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:55,076 INFO L263 TraceCheckUtils]: 14: Hoare triple {6976#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-17 22:20:55,076 INFO L280 TraceCheckUtils]: 15: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,077 INFO L280 TraceCheckUtils]: 16: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:55,077 INFO L280 TraceCheckUtils]: 17: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,078 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {6671#true} {6976#(<= |fibo2_#in~n| 2)} #55#return; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:55,079 INFO L280 TraceCheckUtils]: 19: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:55,079 INFO L280 TraceCheckUtils]: 20: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume true; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:55,081 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {6976#(<= |fibo2_#in~n| 2)} {6946#(= fibo1_~n |fibo1_#in~n|)} #57#return; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:55,082 INFO L280 TraceCheckUtils]: 22: Hoare triple {6965#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:55,082 INFO L263 TraceCheckUtils]: 23: Hoare triple {6965#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:55,082 INFO L280 TraceCheckUtils]: 24: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,083 INFO L280 TraceCheckUtils]: 25: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:55,083 INFO L280 TraceCheckUtils]: 26: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-17 22:20:55,083 INFO L280 TraceCheckUtils]: 27: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,084 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {6671#true} {6965#(<= |fibo1_#in~n| 3)} #59#return; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:55,085 INFO L280 TraceCheckUtils]: 29: Hoare triple {6965#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:55,085 INFO L280 TraceCheckUtils]: 30: Hoare triple {6965#(<= |fibo1_#in~n| 3)} assume true; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:55,086 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {6965#(<= |fibo1_#in~n| 3)} {6894#(= fibo2_~n |fibo2_#in~n|)} #53#return; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:55,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:55,099 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,100 INFO L280 TraceCheckUtils]: 1: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:55,100 INFO L280 TraceCheckUtils]: 2: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-17 22:20:55,100 INFO L280 TraceCheckUtils]: 3: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,101 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6671#true} {6671#true} #57#return; {6671#true} is VALID [2020-07-17 22:20:55,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:55,105 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,105 INFO L280 TraceCheckUtils]: 1: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:55,105 INFO L280 TraceCheckUtils]: 2: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,106 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {6671#true} {6671#true} #59#return; {6671#true} is VALID [2020-07-17 22:20:55,106 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,106 INFO L280 TraceCheckUtils]: 1: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:55,106 INFO L280 TraceCheckUtils]: 2: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-17 22:20:55,107 INFO L263 TraceCheckUtils]: 3: Hoare triple {6671#true} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:55,107 INFO L280 TraceCheckUtils]: 4: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,107 INFO L280 TraceCheckUtils]: 5: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:55,107 INFO L280 TraceCheckUtils]: 6: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-17 22:20:55,107 INFO L280 TraceCheckUtils]: 7: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,108 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {6671#true} {6671#true} #57#return; {6671#true} is VALID [2020-07-17 22:20:55,108 INFO L280 TraceCheckUtils]: 9: Hoare triple {6671#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6671#true} is VALID [2020-07-17 22:20:55,108 INFO L263 TraceCheckUtils]: 10: Hoare triple {6671#true} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:55,108 INFO L280 TraceCheckUtils]: 11: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,109 INFO L280 TraceCheckUtils]: 12: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:55,109 INFO L280 TraceCheckUtils]: 13: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,109 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {6671#true} {6671#true} #59#return; {6671#true} is VALID [2020-07-17 22:20:55,109 INFO L280 TraceCheckUtils]: 15: Hoare triple {6671#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6671#true} is VALID [2020-07-17 22:20:55,110 INFO L280 TraceCheckUtils]: 16: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,111 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {6671#true} {6927#(<= |fibo2_#in~n| 4)} #55#return; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:55,112 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,112 INFO L280 TraceCheckUtils]: 1: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,113 INFO L280 TraceCheckUtils]: 2: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,113 INFO L263 TraceCheckUtils]: 3: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-17 22:20:55,114 INFO L280 TraceCheckUtils]: 4: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,114 INFO L280 TraceCheckUtils]: 5: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,115 INFO L280 TraceCheckUtils]: 6: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,115 INFO L263 TraceCheckUtils]: 7: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:55,115 INFO L280 TraceCheckUtils]: 8: Hoare triple {6671#true} ~n := #in~n; {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,116 INFO L280 TraceCheckUtils]: 9: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,117 INFO L280 TraceCheckUtils]: 10: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,117 INFO L263 TraceCheckUtils]: 11: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-17 22:20:55,117 INFO L280 TraceCheckUtils]: 12: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,118 INFO L280 TraceCheckUtils]: 13: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,119 INFO L280 TraceCheckUtils]: 14: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {6981#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:55,119 INFO L280 TraceCheckUtils]: 15: Hoare triple {6981#(<= |fibo1_#in~n| 1)} assume true; {6981#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:55,120 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {6981#(<= |fibo1_#in~n| 1)} {6894#(= fibo2_~n |fibo2_#in~n|)} #53#return; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:55,121 INFO L280 TraceCheckUtils]: 17: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:55,121 INFO L263 TraceCheckUtils]: 18: Hoare triple {6976#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-17 22:20:55,122 INFO L280 TraceCheckUtils]: 19: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,122 INFO L280 TraceCheckUtils]: 20: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:55,122 INFO L280 TraceCheckUtils]: 21: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,123 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {6671#true} {6976#(<= |fibo2_#in~n| 2)} #55#return; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:55,124 INFO L280 TraceCheckUtils]: 23: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:55,124 INFO L280 TraceCheckUtils]: 24: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume true; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:55,126 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {6976#(<= |fibo2_#in~n| 2)} {6946#(= fibo1_~n |fibo1_#in~n|)} #57#return; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:55,126 INFO L280 TraceCheckUtils]: 26: Hoare triple {6965#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:55,127 INFO L263 TraceCheckUtils]: 27: Hoare triple {6965#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:55,127 INFO L280 TraceCheckUtils]: 28: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,127 INFO L280 TraceCheckUtils]: 29: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:55,127 INFO L280 TraceCheckUtils]: 30: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-17 22:20:55,127 INFO L280 TraceCheckUtils]: 31: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,129 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {6671#true} {6965#(<= |fibo1_#in~n| 3)} #59#return; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:55,129 INFO L280 TraceCheckUtils]: 33: Hoare triple {6965#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:55,130 INFO L280 TraceCheckUtils]: 34: Hoare triple {6965#(<= |fibo1_#in~n| 3)} assume true; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:55,131 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {6965#(<= |fibo1_#in~n| 3)} {6894#(= fibo2_~n |fibo2_#in~n|)} #53#return; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:55,132 INFO L280 TraceCheckUtils]: 36: Hoare triple {6927#(<= |fibo2_#in~n| 4)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:55,132 INFO L263 TraceCheckUtils]: 37: Hoare triple {6927#(<= |fibo2_#in~n| 4)} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-17 22:20:55,132 INFO L280 TraceCheckUtils]: 38: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,132 INFO L280 TraceCheckUtils]: 39: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:55,133 INFO L280 TraceCheckUtils]: 40: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-17 22:20:55,133 INFO L263 TraceCheckUtils]: 41: Hoare triple {6671#true} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:55,133 INFO L280 TraceCheckUtils]: 42: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,133 INFO L280 TraceCheckUtils]: 43: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:55,133 INFO L280 TraceCheckUtils]: 44: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-17 22:20:55,134 INFO L280 TraceCheckUtils]: 45: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,134 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {6671#true} {6671#true} #57#return; {6671#true} is VALID [2020-07-17 22:20:55,134 INFO L280 TraceCheckUtils]: 47: Hoare triple {6671#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6671#true} is VALID [2020-07-17 22:20:55,134 INFO L263 TraceCheckUtils]: 48: Hoare triple {6671#true} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:55,134 INFO L280 TraceCheckUtils]: 49: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,135 INFO L280 TraceCheckUtils]: 50: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:55,135 INFO L280 TraceCheckUtils]: 51: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,135 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {6671#true} {6671#true} #59#return; {6671#true} is VALID [2020-07-17 22:20:55,135 INFO L280 TraceCheckUtils]: 53: Hoare triple {6671#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6671#true} is VALID [2020-07-17 22:20:55,135 INFO L280 TraceCheckUtils]: 54: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,137 INFO L275 TraceCheckUtils]: 55: Hoare quadruple {6671#true} {6927#(<= |fibo2_#in~n| 4)} #55#return; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:55,138 INFO L280 TraceCheckUtils]: 56: Hoare triple {6927#(<= |fibo2_#in~n| 4)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:55,138 INFO L280 TraceCheckUtils]: 57: Hoare triple {6927#(<= |fibo2_#in~n| 4)} assume true; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:55,140 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {6927#(<= |fibo2_#in~n| 4)} {6671#true} #57#return; {6848#(<= fibo1_~n 5)} is VALID [2020-07-17 22:20:55,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:55,247 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,248 INFO L280 TraceCheckUtils]: 1: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,249 INFO L280 TraceCheckUtils]: 2: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {7038#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:55,250 INFO L280 TraceCheckUtils]: 3: Hoare triple {7038#(<= |fibo2_#in~n| 1)} assume true; {7038#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:55,252 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {7038#(<= |fibo2_#in~n| 1)} {6946#(= fibo1_~n |fibo1_#in~n|)} #57#return; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:55,257 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,257 INFO L280 TraceCheckUtils]: 1: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:55,257 INFO L280 TraceCheckUtils]: 2: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,259 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {6671#true} {7033#(<= |fibo1_#in~n| 2)} #59#return; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:55,259 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,260 INFO L280 TraceCheckUtils]: 1: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,261 INFO L280 TraceCheckUtils]: 2: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,261 INFO L263 TraceCheckUtils]: 3: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:55,262 INFO L280 TraceCheckUtils]: 4: Hoare triple {6671#true} ~n := #in~n; {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,262 INFO L280 TraceCheckUtils]: 5: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,263 INFO L280 TraceCheckUtils]: 6: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {7038#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:55,264 INFO L280 TraceCheckUtils]: 7: Hoare triple {7038#(<= |fibo2_#in~n| 1)} assume true; {7038#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:55,266 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {7038#(<= |fibo2_#in~n| 1)} {6946#(= fibo1_~n |fibo1_#in~n|)} #57#return; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:55,266 INFO L280 TraceCheckUtils]: 9: Hoare triple {7033#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:55,267 INFO L263 TraceCheckUtils]: 10: Hoare triple {7033#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:55,267 INFO L280 TraceCheckUtils]: 11: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,267 INFO L280 TraceCheckUtils]: 12: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:55,267 INFO L280 TraceCheckUtils]: 13: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,269 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {6671#true} {7033#(<= |fibo1_#in~n| 2)} #59#return; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:55,269 INFO L280 TraceCheckUtils]: 15: Hoare triple {7033#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:55,270 INFO L280 TraceCheckUtils]: 16: Hoare triple {7033#(<= |fibo1_#in~n| 2)} assume true; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:55,272 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {7033#(<= |fibo1_#in~n| 2)} {6671#true} #53#return; {7009#(<= fibo2_~n 3)} is VALID [2020-07-17 22:20:55,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:55,334 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,335 INFO L280 TraceCheckUtils]: 1: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:55,335 INFO L280 TraceCheckUtils]: 2: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-17 22:20:55,335 INFO L280 TraceCheckUtils]: 3: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,337 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6671#true} {7040#(<= 2 |fibo1_#in~n|)} #57#return; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:55,343 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,344 INFO L280 TraceCheckUtils]: 1: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:55,344 INFO L280 TraceCheckUtils]: 2: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,365 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {6671#true} {7040#(<= 2 |fibo1_#in~n|)} #59#return; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,366 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,367 INFO L280 TraceCheckUtils]: 1: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7039#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-17 22:20:55,368 INFO L280 TraceCheckUtils]: 2: Hoare triple {7039#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,368 INFO L263 TraceCheckUtils]: 3: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:55,369 INFO L280 TraceCheckUtils]: 4: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,369 INFO L280 TraceCheckUtils]: 5: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:55,369 INFO L280 TraceCheckUtils]: 6: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-17 22:20:55,370 INFO L280 TraceCheckUtils]: 7: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,371 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {6671#true} {7040#(<= 2 |fibo1_#in~n|)} #57#return; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,371 INFO L280 TraceCheckUtils]: 9: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,372 INFO L263 TraceCheckUtils]: 10: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:55,372 INFO L280 TraceCheckUtils]: 11: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,372 INFO L280 TraceCheckUtils]: 12: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:55,373 INFO L280 TraceCheckUtils]: 13: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,374 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {6671#true} {7040#(<= 2 |fibo1_#in~n|)} #59#return; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,375 INFO L280 TraceCheckUtils]: 15: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,375 INFO L280 TraceCheckUtils]: 16: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume true; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,377 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {7040#(<= 2 |fibo1_#in~n|)} {7009#(<= fibo2_~n 3)} #55#return; {6672#false} is VALID [2020-07-17 22:20:55,378 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,378 INFO L280 TraceCheckUtils]: 1: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:55,378 INFO L280 TraceCheckUtils]: 2: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-17 22:20:55,379 INFO L263 TraceCheckUtils]: 3: Hoare triple {6671#true} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-17 22:20:55,379 INFO L280 TraceCheckUtils]: 4: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,380 INFO L280 TraceCheckUtils]: 5: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,381 INFO L280 TraceCheckUtils]: 6: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,381 INFO L263 TraceCheckUtils]: 7: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:55,381 INFO L280 TraceCheckUtils]: 8: Hoare triple {6671#true} ~n := #in~n; {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,382 INFO L280 TraceCheckUtils]: 9: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,383 INFO L280 TraceCheckUtils]: 10: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {7038#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:55,383 INFO L280 TraceCheckUtils]: 11: Hoare triple {7038#(<= |fibo2_#in~n| 1)} assume true; {7038#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:55,384 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {7038#(<= |fibo2_#in~n| 1)} {6946#(= fibo1_~n |fibo1_#in~n|)} #57#return; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:55,385 INFO L280 TraceCheckUtils]: 13: Hoare triple {7033#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:55,385 INFO L263 TraceCheckUtils]: 14: Hoare triple {7033#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:55,386 INFO L280 TraceCheckUtils]: 15: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,386 INFO L280 TraceCheckUtils]: 16: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:55,386 INFO L280 TraceCheckUtils]: 17: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,387 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {6671#true} {7033#(<= |fibo1_#in~n| 2)} #59#return; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:55,387 INFO L280 TraceCheckUtils]: 19: Hoare triple {7033#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:55,388 INFO L280 TraceCheckUtils]: 20: Hoare triple {7033#(<= |fibo1_#in~n| 2)} assume true; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:55,389 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {7033#(<= |fibo1_#in~n| 2)} {6671#true} #53#return; {7009#(<= fibo2_~n 3)} is VALID [2020-07-17 22:20:55,390 INFO L280 TraceCheckUtils]: 22: Hoare triple {7009#(<= fibo2_~n 3)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7009#(<= fibo2_~n 3)} is VALID [2020-07-17 22:20:55,390 INFO L263 TraceCheckUtils]: 23: Hoare triple {7009#(<= fibo2_~n 3)} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-17 22:20:55,390 INFO L280 TraceCheckUtils]: 24: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,391 INFO L280 TraceCheckUtils]: 25: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7039#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-17 22:20:55,393 INFO L280 TraceCheckUtils]: 26: Hoare triple {7039#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,393 INFO L263 TraceCheckUtils]: 27: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:55,393 INFO L280 TraceCheckUtils]: 28: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,393 INFO L280 TraceCheckUtils]: 29: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:55,394 INFO L280 TraceCheckUtils]: 30: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-17 22:20:55,394 INFO L280 TraceCheckUtils]: 31: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,396 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {6671#true} {7040#(<= 2 |fibo1_#in~n|)} #57#return; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,397 INFO L280 TraceCheckUtils]: 33: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,397 INFO L263 TraceCheckUtils]: 34: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:55,397 INFO L280 TraceCheckUtils]: 35: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,397 INFO L280 TraceCheckUtils]: 36: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:55,397 INFO L280 TraceCheckUtils]: 37: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,398 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {6671#true} {7040#(<= 2 |fibo1_#in~n|)} #59#return; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,399 INFO L280 TraceCheckUtils]: 39: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,399 INFO L280 TraceCheckUtils]: 40: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume true; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,401 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {7040#(<= 2 |fibo1_#in~n|)} {7009#(<= fibo2_~n 3)} #55#return; {6672#false} is VALID [2020-07-17 22:20:55,401 INFO L280 TraceCheckUtils]: 42: Hoare triple {6672#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {6672#false} is VALID [2020-07-17 22:20:55,401 INFO L280 TraceCheckUtils]: 43: Hoare triple {6672#false} assume true; {6672#false} is VALID [2020-07-17 22:20:55,402 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {6672#false} {6848#(<= fibo1_~n 5)} #59#return; {6672#false} is VALID [2020-07-17 22:20:55,405 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,405 INFO L280 TraceCheckUtils]: 1: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:55,405 INFO L280 TraceCheckUtils]: 2: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-17 22:20:55,406 INFO L263 TraceCheckUtils]: 3: Hoare triple {6671#true} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:55,407 INFO L280 TraceCheckUtils]: 4: Hoare triple {6671#true} ~n := #in~n; {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,407 INFO L280 TraceCheckUtils]: 5: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,408 INFO L280 TraceCheckUtils]: 6: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,409 INFO L263 TraceCheckUtils]: 7: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-17 22:20:55,409 INFO L280 TraceCheckUtils]: 8: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,410 INFO L280 TraceCheckUtils]: 9: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,411 INFO L280 TraceCheckUtils]: 10: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,411 INFO L263 TraceCheckUtils]: 11: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:55,412 INFO L280 TraceCheckUtils]: 12: Hoare triple {6671#true} ~n := #in~n; {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,413 INFO L280 TraceCheckUtils]: 13: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,414 INFO L280 TraceCheckUtils]: 14: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,414 INFO L263 TraceCheckUtils]: 15: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-17 22:20:55,414 INFO L280 TraceCheckUtils]: 16: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,415 INFO L280 TraceCheckUtils]: 17: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,416 INFO L280 TraceCheckUtils]: 18: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {6981#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:55,416 INFO L280 TraceCheckUtils]: 19: Hoare triple {6981#(<= |fibo1_#in~n| 1)} assume true; {6981#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:55,417 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {6981#(<= |fibo1_#in~n| 1)} {6894#(= fibo2_~n |fibo2_#in~n|)} #53#return; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:55,418 INFO L280 TraceCheckUtils]: 21: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:55,418 INFO L263 TraceCheckUtils]: 22: Hoare triple {6976#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-17 22:20:55,419 INFO L280 TraceCheckUtils]: 23: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,419 INFO L280 TraceCheckUtils]: 24: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:55,419 INFO L280 TraceCheckUtils]: 25: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,420 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {6671#true} {6976#(<= |fibo2_#in~n| 2)} #55#return; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:55,420 INFO L280 TraceCheckUtils]: 27: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:55,421 INFO L280 TraceCheckUtils]: 28: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume true; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:55,423 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {6976#(<= |fibo2_#in~n| 2)} {6946#(= fibo1_~n |fibo1_#in~n|)} #57#return; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:55,424 INFO L280 TraceCheckUtils]: 30: Hoare triple {6965#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:55,424 INFO L263 TraceCheckUtils]: 31: Hoare triple {6965#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:55,424 INFO L280 TraceCheckUtils]: 32: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,424 INFO L280 TraceCheckUtils]: 33: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:55,425 INFO L280 TraceCheckUtils]: 34: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-17 22:20:55,425 INFO L280 TraceCheckUtils]: 35: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,426 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {6671#true} {6965#(<= |fibo1_#in~n| 3)} #59#return; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:55,427 INFO L280 TraceCheckUtils]: 37: Hoare triple {6965#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:55,427 INFO L280 TraceCheckUtils]: 38: Hoare triple {6965#(<= |fibo1_#in~n| 3)} assume true; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:55,429 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {6965#(<= |fibo1_#in~n| 3)} {6894#(= fibo2_~n |fibo2_#in~n|)} #53#return; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:55,429 INFO L280 TraceCheckUtils]: 40: Hoare triple {6927#(<= |fibo2_#in~n| 4)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:55,430 INFO L263 TraceCheckUtils]: 41: Hoare triple {6927#(<= |fibo2_#in~n| 4)} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-17 22:20:55,430 INFO L280 TraceCheckUtils]: 42: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,430 INFO L280 TraceCheckUtils]: 43: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:55,431 INFO L280 TraceCheckUtils]: 44: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-17 22:20:55,431 INFO L263 TraceCheckUtils]: 45: Hoare triple {6671#true} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:55,431 INFO L280 TraceCheckUtils]: 46: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,431 INFO L280 TraceCheckUtils]: 47: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:55,432 INFO L280 TraceCheckUtils]: 48: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-17 22:20:55,432 INFO L280 TraceCheckUtils]: 49: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,432 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {6671#true} {6671#true} #57#return; {6671#true} is VALID [2020-07-17 22:20:55,432 INFO L280 TraceCheckUtils]: 51: Hoare triple {6671#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6671#true} is VALID [2020-07-17 22:20:55,433 INFO L263 TraceCheckUtils]: 52: Hoare triple {6671#true} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:55,433 INFO L280 TraceCheckUtils]: 53: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,433 INFO L280 TraceCheckUtils]: 54: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:55,434 INFO L280 TraceCheckUtils]: 55: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,434 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {6671#true} {6671#true} #59#return; {6671#true} is VALID [2020-07-17 22:20:55,434 INFO L280 TraceCheckUtils]: 57: Hoare triple {6671#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6671#true} is VALID [2020-07-17 22:20:55,434 INFO L280 TraceCheckUtils]: 58: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,436 INFO L275 TraceCheckUtils]: 59: Hoare quadruple {6671#true} {6927#(<= |fibo2_#in~n| 4)} #55#return; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:55,437 INFO L280 TraceCheckUtils]: 60: Hoare triple {6927#(<= |fibo2_#in~n| 4)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:55,438 INFO L280 TraceCheckUtils]: 61: Hoare triple {6927#(<= |fibo2_#in~n| 4)} assume true; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:55,439 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {6927#(<= |fibo2_#in~n| 4)} {6671#true} #57#return; {6848#(<= fibo1_~n 5)} is VALID [2020-07-17 22:20:55,439 INFO L280 TraceCheckUtils]: 63: Hoare triple {6848#(<= fibo1_~n 5)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6848#(<= fibo1_~n 5)} is VALID [2020-07-17 22:20:55,440 INFO L263 TraceCheckUtils]: 64: Hoare triple {6848#(<= fibo1_~n 5)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:55,440 INFO L280 TraceCheckUtils]: 65: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,440 INFO L280 TraceCheckUtils]: 66: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:55,440 INFO L280 TraceCheckUtils]: 67: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-17 22:20:55,440 INFO L263 TraceCheckUtils]: 68: Hoare triple {6671#true} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-17 22:20:55,441 INFO L280 TraceCheckUtils]: 69: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,442 INFO L280 TraceCheckUtils]: 70: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,442 INFO L280 TraceCheckUtils]: 71: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,442 INFO L263 TraceCheckUtils]: 72: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:55,443 INFO L280 TraceCheckUtils]: 73: Hoare triple {6671#true} ~n := #in~n; {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,443 INFO L280 TraceCheckUtils]: 74: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,444 INFO L280 TraceCheckUtils]: 75: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {7038#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:55,445 INFO L280 TraceCheckUtils]: 76: Hoare triple {7038#(<= |fibo2_#in~n| 1)} assume true; {7038#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:55,446 INFO L275 TraceCheckUtils]: 77: Hoare quadruple {7038#(<= |fibo2_#in~n| 1)} {6946#(= fibo1_~n |fibo1_#in~n|)} #57#return; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:55,447 INFO L280 TraceCheckUtils]: 78: Hoare triple {7033#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:55,447 INFO L263 TraceCheckUtils]: 79: Hoare triple {7033#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:55,447 INFO L280 TraceCheckUtils]: 80: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,447 INFO L280 TraceCheckUtils]: 81: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:55,447 INFO L280 TraceCheckUtils]: 82: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,448 INFO L275 TraceCheckUtils]: 83: Hoare quadruple {6671#true} {7033#(<= |fibo1_#in~n| 2)} #59#return; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:55,449 INFO L280 TraceCheckUtils]: 84: Hoare triple {7033#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:55,449 INFO L280 TraceCheckUtils]: 85: Hoare triple {7033#(<= |fibo1_#in~n| 2)} assume true; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:55,451 INFO L275 TraceCheckUtils]: 86: Hoare quadruple {7033#(<= |fibo1_#in~n| 2)} {6671#true} #53#return; {7009#(<= fibo2_~n 3)} is VALID [2020-07-17 22:20:55,452 INFO L280 TraceCheckUtils]: 87: Hoare triple {7009#(<= fibo2_~n 3)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7009#(<= fibo2_~n 3)} is VALID [2020-07-17 22:20:55,452 INFO L263 TraceCheckUtils]: 88: Hoare triple {7009#(<= fibo2_~n 3)} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-17 22:20:55,452 INFO L280 TraceCheckUtils]: 89: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,453 INFO L280 TraceCheckUtils]: 90: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7039#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-17 22:20:55,454 INFO L280 TraceCheckUtils]: 91: Hoare triple {7039#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,455 INFO L263 TraceCheckUtils]: 92: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:55,455 INFO L280 TraceCheckUtils]: 93: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,455 INFO L280 TraceCheckUtils]: 94: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:55,455 INFO L280 TraceCheckUtils]: 95: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-17 22:20:55,456 INFO L280 TraceCheckUtils]: 96: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,457 INFO L275 TraceCheckUtils]: 97: Hoare quadruple {6671#true} {7040#(<= 2 |fibo1_#in~n|)} #57#return; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,458 INFO L280 TraceCheckUtils]: 98: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,458 INFO L263 TraceCheckUtils]: 99: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:55,458 INFO L280 TraceCheckUtils]: 100: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,458 INFO L280 TraceCheckUtils]: 101: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:55,459 INFO L280 TraceCheckUtils]: 102: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,460 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {6671#true} {7040#(<= 2 |fibo1_#in~n|)} #59#return; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,461 INFO L280 TraceCheckUtils]: 104: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,462 INFO L280 TraceCheckUtils]: 105: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume true; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,464 INFO L275 TraceCheckUtils]: 106: Hoare quadruple {7040#(<= 2 |fibo1_#in~n|)} {7009#(<= fibo2_~n 3)} #55#return; {6672#false} is VALID [2020-07-17 22:20:55,464 INFO L280 TraceCheckUtils]: 107: Hoare triple {6672#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {6672#false} is VALID [2020-07-17 22:20:55,464 INFO L280 TraceCheckUtils]: 108: Hoare triple {6672#false} assume true; {6672#false} is VALID [2020-07-17 22:20:55,464 INFO L275 TraceCheckUtils]: 109: Hoare quadruple {6672#false} {6848#(<= fibo1_~n 5)} #59#return; {6672#false} is VALID [2020-07-17 22:20:55,465 INFO L280 TraceCheckUtils]: 110: Hoare triple {6672#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6672#false} is VALID [2020-07-17 22:20:55,465 INFO L280 TraceCheckUtils]: 111: Hoare triple {6672#false} assume true; {6672#false} is VALID [2020-07-17 22:20:55,465 INFO L275 TraceCheckUtils]: 112: Hoare quadruple {6672#false} {6675#(<= main_~x~0 5)} #51#return; {6672#false} is VALID [2020-07-17 22:20:55,479 INFO L263 TraceCheckUtils]: 0: Hoare triple {6671#true} call ULTIMATE.init(); {6671#true} is VALID [2020-07-17 22:20:55,479 INFO L280 TraceCheckUtils]: 1: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,480 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {6671#true} {6671#true} #47#return; {6671#true} is VALID [2020-07-17 22:20:55,480 INFO L263 TraceCheckUtils]: 3: Hoare triple {6671#true} call #t~ret5 := main(); {6671#true} is VALID [2020-07-17 22:20:55,484 INFO L280 TraceCheckUtils]: 4: Hoare triple {6671#true} ~x~0 := 5; {6675#(<= main_~x~0 5)} is VALID [2020-07-17 22:20:55,485 INFO L263 TraceCheckUtils]: 5: Hoare triple {6675#(<= main_~x~0 5)} call #t~ret4 := fibo1(~x~0); {6671#true} is VALID [2020-07-17 22:20:55,485 INFO L280 TraceCheckUtils]: 6: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,485 INFO L280 TraceCheckUtils]: 7: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:55,485 INFO L280 TraceCheckUtils]: 8: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-17 22:20:55,486 INFO L263 TraceCheckUtils]: 9: Hoare triple {6671#true} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:55,486 INFO L280 TraceCheckUtils]: 10: Hoare triple {6671#true} ~n := #in~n; {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,487 INFO L280 TraceCheckUtils]: 11: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,487 INFO L280 TraceCheckUtils]: 12: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,488 INFO L263 TraceCheckUtils]: 13: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-17 22:20:55,488 INFO L280 TraceCheckUtils]: 14: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,488 INFO L280 TraceCheckUtils]: 15: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,489 INFO L280 TraceCheckUtils]: 16: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,489 INFO L263 TraceCheckUtils]: 17: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:55,490 INFO L280 TraceCheckUtils]: 18: Hoare triple {6671#true} ~n := #in~n; {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,490 INFO L280 TraceCheckUtils]: 19: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,491 INFO L280 TraceCheckUtils]: 20: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,491 INFO L263 TraceCheckUtils]: 21: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-17 22:20:55,491 INFO L280 TraceCheckUtils]: 22: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,492 INFO L280 TraceCheckUtils]: 23: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,492 INFO L280 TraceCheckUtils]: 24: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {6981#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:55,493 INFO L280 TraceCheckUtils]: 25: Hoare triple {6981#(<= |fibo1_#in~n| 1)} assume true; {6981#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:55,494 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {6981#(<= |fibo1_#in~n| 1)} {6894#(= fibo2_~n |fibo2_#in~n|)} #53#return; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:55,495 INFO L280 TraceCheckUtils]: 27: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:55,495 INFO L263 TraceCheckUtils]: 28: Hoare triple {6976#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-17 22:20:55,495 INFO L280 TraceCheckUtils]: 29: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,495 INFO L280 TraceCheckUtils]: 30: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:55,496 INFO L280 TraceCheckUtils]: 31: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,497 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {6671#true} {6976#(<= |fibo2_#in~n| 2)} #55#return; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:55,497 INFO L280 TraceCheckUtils]: 33: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:55,498 INFO L280 TraceCheckUtils]: 34: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume true; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:55,499 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {6976#(<= |fibo2_#in~n| 2)} {6946#(= fibo1_~n |fibo1_#in~n|)} #57#return; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:55,500 INFO L280 TraceCheckUtils]: 36: Hoare triple {6965#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:55,500 INFO L263 TraceCheckUtils]: 37: Hoare triple {6965#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:55,500 INFO L280 TraceCheckUtils]: 38: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,500 INFO L280 TraceCheckUtils]: 39: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:55,500 INFO L280 TraceCheckUtils]: 40: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-17 22:20:55,500 INFO L280 TraceCheckUtils]: 41: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,501 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {6671#true} {6965#(<= |fibo1_#in~n| 3)} #59#return; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:55,502 INFO L280 TraceCheckUtils]: 43: Hoare triple {6965#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:55,502 INFO L280 TraceCheckUtils]: 44: Hoare triple {6965#(<= |fibo1_#in~n| 3)} assume true; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-17 22:20:55,503 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {6965#(<= |fibo1_#in~n| 3)} {6894#(= fibo2_~n |fibo2_#in~n|)} #53#return; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:55,504 INFO L280 TraceCheckUtils]: 46: Hoare triple {6927#(<= |fibo2_#in~n| 4)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:55,504 INFO L263 TraceCheckUtils]: 47: Hoare triple {6927#(<= |fibo2_#in~n| 4)} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-17 22:20:55,504 INFO L280 TraceCheckUtils]: 48: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,504 INFO L280 TraceCheckUtils]: 49: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:55,504 INFO L280 TraceCheckUtils]: 50: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-17 22:20:55,505 INFO L263 TraceCheckUtils]: 51: Hoare triple {6671#true} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:55,505 INFO L280 TraceCheckUtils]: 52: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,505 INFO L280 TraceCheckUtils]: 53: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:55,505 INFO L280 TraceCheckUtils]: 54: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-17 22:20:55,505 INFO L280 TraceCheckUtils]: 55: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,505 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {6671#true} {6671#true} #57#return; {6671#true} is VALID [2020-07-17 22:20:55,506 INFO L280 TraceCheckUtils]: 57: Hoare triple {6671#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6671#true} is VALID [2020-07-17 22:20:55,506 INFO L263 TraceCheckUtils]: 58: Hoare triple {6671#true} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:55,506 INFO L280 TraceCheckUtils]: 59: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,506 INFO L280 TraceCheckUtils]: 60: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:55,506 INFO L280 TraceCheckUtils]: 61: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,506 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {6671#true} {6671#true} #59#return; {6671#true} is VALID [2020-07-17 22:20:55,507 INFO L280 TraceCheckUtils]: 63: Hoare triple {6671#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6671#true} is VALID [2020-07-17 22:20:55,507 INFO L280 TraceCheckUtils]: 64: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,508 INFO L275 TraceCheckUtils]: 65: Hoare quadruple {6671#true} {6927#(<= |fibo2_#in~n| 4)} #55#return; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:55,508 INFO L280 TraceCheckUtils]: 66: Hoare triple {6927#(<= |fibo2_#in~n| 4)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:55,509 INFO L280 TraceCheckUtils]: 67: Hoare triple {6927#(<= |fibo2_#in~n| 4)} assume true; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-17 22:20:55,510 INFO L275 TraceCheckUtils]: 68: Hoare quadruple {6927#(<= |fibo2_#in~n| 4)} {6671#true} #57#return; {6848#(<= fibo1_~n 5)} is VALID [2020-07-17 22:20:55,510 INFO L280 TraceCheckUtils]: 69: Hoare triple {6848#(<= fibo1_~n 5)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6848#(<= fibo1_~n 5)} is VALID [2020-07-17 22:20:55,511 INFO L263 TraceCheckUtils]: 70: Hoare triple {6848#(<= fibo1_~n 5)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:55,511 INFO L280 TraceCheckUtils]: 71: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,511 INFO L280 TraceCheckUtils]: 72: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:55,511 INFO L280 TraceCheckUtils]: 73: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-17 22:20:55,511 INFO L263 TraceCheckUtils]: 74: Hoare triple {6671#true} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-17 22:20:55,512 INFO L280 TraceCheckUtils]: 75: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,512 INFO L280 TraceCheckUtils]: 76: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,513 INFO L280 TraceCheckUtils]: 77: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,513 INFO L263 TraceCheckUtils]: 78: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:55,513 INFO L280 TraceCheckUtils]: 79: Hoare triple {6671#true} ~n := #in~n; {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,514 INFO L280 TraceCheckUtils]: 80: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,515 INFO L280 TraceCheckUtils]: 81: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {7038#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:55,515 INFO L280 TraceCheckUtils]: 82: Hoare triple {7038#(<= |fibo2_#in~n| 1)} assume true; {7038#(<= |fibo2_#in~n| 1)} is VALID [2020-07-17 22:20:55,516 INFO L275 TraceCheckUtils]: 83: Hoare quadruple {7038#(<= |fibo2_#in~n| 1)} {6946#(= fibo1_~n |fibo1_#in~n|)} #57#return; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:55,517 INFO L280 TraceCheckUtils]: 84: Hoare triple {7033#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:55,517 INFO L263 TraceCheckUtils]: 85: Hoare triple {7033#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:55,517 INFO L280 TraceCheckUtils]: 86: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,517 INFO L280 TraceCheckUtils]: 87: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:55,518 INFO L280 TraceCheckUtils]: 88: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,519 INFO L275 TraceCheckUtils]: 89: Hoare quadruple {6671#true} {7033#(<= |fibo1_#in~n| 2)} #59#return; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:55,519 INFO L280 TraceCheckUtils]: 90: Hoare triple {7033#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:55,520 INFO L280 TraceCheckUtils]: 91: Hoare triple {7033#(<= |fibo1_#in~n| 2)} assume true; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-17 22:20:55,521 INFO L275 TraceCheckUtils]: 92: Hoare quadruple {7033#(<= |fibo1_#in~n| 2)} {6671#true} #53#return; {7009#(<= fibo2_~n 3)} is VALID [2020-07-17 22:20:55,522 INFO L280 TraceCheckUtils]: 93: Hoare triple {7009#(<= fibo2_~n 3)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7009#(<= fibo2_~n 3)} is VALID [2020-07-17 22:20:55,522 INFO L263 TraceCheckUtils]: 94: Hoare triple {7009#(<= fibo2_~n 3)} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-17 22:20:55,522 INFO L280 TraceCheckUtils]: 95: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,523 INFO L280 TraceCheckUtils]: 96: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7039#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-17 22:20:55,524 INFO L280 TraceCheckUtils]: 97: Hoare triple {7039#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,524 INFO L263 TraceCheckUtils]: 98: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:55,524 INFO L280 TraceCheckUtils]: 99: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,525 INFO L280 TraceCheckUtils]: 100: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:55,525 INFO L280 TraceCheckUtils]: 101: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-17 22:20:55,525 INFO L280 TraceCheckUtils]: 102: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,526 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {6671#true} {7040#(<= 2 |fibo1_#in~n|)} #57#return; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,527 INFO L280 TraceCheckUtils]: 104: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,527 INFO L263 TraceCheckUtils]: 105: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:55,527 INFO L280 TraceCheckUtils]: 106: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,527 INFO L280 TraceCheckUtils]: 107: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:55,528 INFO L280 TraceCheckUtils]: 108: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,528 INFO L275 TraceCheckUtils]: 109: Hoare quadruple {6671#true} {7040#(<= 2 |fibo1_#in~n|)} #59#return; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,529 INFO L280 TraceCheckUtils]: 110: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,530 INFO L280 TraceCheckUtils]: 111: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume true; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,531 INFO L275 TraceCheckUtils]: 112: Hoare quadruple {7040#(<= 2 |fibo1_#in~n|)} {7009#(<= fibo2_~n 3)} #55#return; {6672#false} is VALID [2020-07-17 22:20:55,531 INFO L280 TraceCheckUtils]: 113: Hoare triple {6672#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {6672#false} is VALID [2020-07-17 22:20:55,531 INFO L280 TraceCheckUtils]: 114: Hoare triple {6672#false} assume true; {6672#false} is VALID [2020-07-17 22:20:55,532 INFO L275 TraceCheckUtils]: 115: Hoare quadruple {6672#false} {6848#(<= fibo1_~n 5)} #59#return; {6672#false} is VALID [2020-07-17 22:20:55,532 INFO L280 TraceCheckUtils]: 116: Hoare triple {6672#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6672#false} is VALID [2020-07-17 22:20:55,532 INFO L280 TraceCheckUtils]: 117: Hoare triple {6672#false} assume true; {6672#false} is VALID [2020-07-17 22:20:55,532 INFO L275 TraceCheckUtils]: 118: Hoare quadruple {6672#false} {6675#(<= main_~x~0 5)} #51#return; {6672#false} is VALID [2020-07-17 22:20:55,533 INFO L280 TraceCheckUtils]: 119: Hoare triple {6672#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {6672#false} is VALID [2020-07-17 22:20:55,533 INFO L280 TraceCheckUtils]: 120: Hoare triple {6672#false} assume 5 == ~result~0; {6672#false} is VALID [2020-07-17 22:20:55,533 INFO L280 TraceCheckUtils]: 121: Hoare triple {6672#false} assume !false; {6672#false} is VALID [2020-07-17 22:20:55,551 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 104 proven. 101 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2020-07-17 22:20:55,551 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798471128] [2020-07-17 22:20:55,551 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558844086] [2020-07-17 22:20:55,552 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 22:20:55,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:55,624 INFO L264 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-17 22:20:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:55,646 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 22:20:55,921 INFO L263 TraceCheckUtils]: 0: Hoare triple {6671#true} call ULTIMATE.init(); {6671#true} is VALID [2020-07-17 22:20:55,922 INFO L280 TraceCheckUtils]: 1: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,922 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {6671#true} {6671#true} #47#return; {6671#true} is VALID [2020-07-17 22:20:55,922 INFO L263 TraceCheckUtils]: 3: Hoare triple {6671#true} call #t~ret5 := main(); {6671#true} is VALID [2020-07-17 22:20:55,923 INFO L280 TraceCheckUtils]: 4: Hoare triple {6671#true} ~x~0 := 5; {6675#(<= main_~x~0 5)} is VALID [2020-07-17 22:20:55,923 INFO L263 TraceCheckUtils]: 5: Hoare triple {6675#(<= main_~x~0 5)} call #t~ret4 := fibo1(~x~0); {6671#true} is VALID [2020-07-17 22:20:55,923 INFO L280 TraceCheckUtils]: 6: Hoare triple {6671#true} ~n := #in~n; {7071#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,924 INFO L280 TraceCheckUtils]: 7: Hoare triple {7071#(<= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7071#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,924 INFO L280 TraceCheckUtils]: 8: Hoare triple {7071#(<= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {7071#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,924 INFO L263 TraceCheckUtils]: 9: Hoare triple {7071#(<= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:55,925 INFO L280 TraceCheckUtils]: 10: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,925 INFO L280 TraceCheckUtils]: 11: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:55,925 INFO L280 TraceCheckUtils]: 12: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-17 22:20:55,925 INFO L263 TraceCheckUtils]: 13: Hoare triple {6671#true} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-17 22:20:55,925 INFO L280 TraceCheckUtils]: 14: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,926 INFO L280 TraceCheckUtils]: 15: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:55,926 INFO L280 TraceCheckUtils]: 16: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-17 22:20:55,926 INFO L263 TraceCheckUtils]: 17: Hoare triple {6671#true} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:55,926 INFO L280 TraceCheckUtils]: 18: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,926 INFO L280 TraceCheckUtils]: 19: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:55,927 INFO L280 TraceCheckUtils]: 20: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-17 22:20:55,927 INFO L263 TraceCheckUtils]: 21: Hoare triple {6671#true} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-17 22:20:55,927 INFO L280 TraceCheckUtils]: 22: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,927 INFO L280 TraceCheckUtils]: 23: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:55,927 INFO L280 TraceCheckUtils]: 24: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-17 22:20:55,928 INFO L280 TraceCheckUtils]: 25: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,928 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {6671#true} {6671#true} #53#return; {6671#true} is VALID [2020-07-17 22:20:55,928 INFO L280 TraceCheckUtils]: 27: Hoare triple {6671#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6671#true} is VALID [2020-07-17 22:20:55,928 INFO L263 TraceCheckUtils]: 28: Hoare triple {6671#true} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-17 22:20:55,928 INFO L280 TraceCheckUtils]: 29: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,928 INFO L280 TraceCheckUtils]: 30: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:55,929 INFO L280 TraceCheckUtils]: 31: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,929 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {6671#true} {6671#true} #55#return; {6671#true} is VALID [2020-07-17 22:20:55,929 INFO L280 TraceCheckUtils]: 33: Hoare triple {6671#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {6671#true} is VALID [2020-07-17 22:20:55,929 INFO L280 TraceCheckUtils]: 34: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,929 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {6671#true} {6671#true} #57#return; {6671#true} is VALID [2020-07-17 22:20:55,930 INFO L280 TraceCheckUtils]: 36: Hoare triple {6671#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6671#true} is VALID [2020-07-17 22:20:55,930 INFO L263 TraceCheckUtils]: 37: Hoare triple {6671#true} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:55,930 INFO L280 TraceCheckUtils]: 38: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,930 INFO L280 TraceCheckUtils]: 39: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:55,930 INFO L280 TraceCheckUtils]: 40: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-17 22:20:55,931 INFO L280 TraceCheckUtils]: 41: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,931 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {6671#true} {6671#true} #59#return; {6671#true} is VALID [2020-07-17 22:20:55,931 INFO L280 TraceCheckUtils]: 43: Hoare triple {6671#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6671#true} is VALID [2020-07-17 22:20:55,931 INFO L280 TraceCheckUtils]: 44: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,931 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {6671#true} {6671#true} #53#return; {6671#true} is VALID [2020-07-17 22:20:55,932 INFO L280 TraceCheckUtils]: 46: Hoare triple {6671#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6671#true} is VALID [2020-07-17 22:20:55,932 INFO L263 TraceCheckUtils]: 47: Hoare triple {6671#true} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-17 22:20:55,932 INFO L280 TraceCheckUtils]: 48: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,932 INFO L280 TraceCheckUtils]: 49: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:55,932 INFO L280 TraceCheckUtils]: 50: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-17 22:20:55,932 INFO L263 TraceCheckUtils]: 51: Hoare triple {6671#true} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:55,933 INFO L280 TraceCheckUtils]: 52: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,933 INFO L280 TraceCheckUtils]: 53: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:55,933 INFO L280 TraceCheckUtils]: 54: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-17 22:20:55,933 INFO L280 TraceCheckUtils]: 55: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,933 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {6671#true} {6671#true} #57#return; {6671#true} is VALID [2020-07-17 22:20:55,934 INFO L280 TraceCheckUtils]: 57: Hoare triple {6671#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6671#true} is VALID [2020-07-17 22:20:55,934 INFO L263 TraceCheckUtils]: 58: Hoare triple {6671#true} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:55,934 INFO L280 TraceCheckUtils]: 59: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,934 INFO L280 TraceCheckUtils]: 60: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:55,934 INFO L280 TraceCheckUtils]: 61: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,935 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {6671#true} {6671#true} #59#return; {6671#true} is VALID [2020-07-17 22:20:55,935 INFO L280 TraceCheckUtils]: 63: Hoare triple {6671#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6671#true} is VALID [2020-07-17 22:20:55,935 INFO L280 TraceCheckUtils]: 64: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,935 INFO L275 TraceCheckUtils]: 65: Hoare quadruple {6671#true} {6671#true} #55#return; {6671#true} is VALID [2020-07-17 22:20:55,935 INFO L280 TraceCheckUtils]: 66: Hoare triple {6671#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {6671#true} is VALID [2020-07-17 22:20:55,935 INFO L280 TraceCheckUtils]: 67: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,937 INFO L275 TraceCheckUtils]: 68: Hoare quadruple {6671#true} {7071#(<= fibo1_~n |fibo1_#in~n|)} #57#return; {7071#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,939 INFO L280 TraceCheckUtils]: 69: Hoare triple {7071#(<= fibo1_~n |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7071#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,939 INFO L263 TraceCheckUtils]: 70: Hoare triple {7071#(<= fibo1_~n |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:55,940 INFO L280 TraceCheckUtils]: 71: Hoare triple {6671#true} ~n := #in~n; {7267#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,941 INFO L280 TraceCheckUtils]: 72: Hoare triple {7267#(<= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {7267#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,941 INFO L280 TraceCheckUtils]: 73: Hoare triple {7267#(<= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {7267#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,941 INFO L263 TraceCheckUtils]: 74: Hoare triple {7267#(<= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-17 22:20:55,942 INFO L280 TraceCheckUtils]: 75: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,942 INFO L280 TraceCheckUtils]: 76: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:55,942 INFO L280 TraceCheckUtils]: 77: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-17 22:20:55,942 INFO L263 TraceCheckUtils]: 78: Hoare triple {6671#true} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:55,942 INFO L280 TraceCheckUtils]: 79: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,943 INFO L280 TraceCheckUtils]: 80: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-17 22:20:55,943 INFO L280 TraceCheckUtils]: 81: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-17 22:20:55,943 INFO L280 TraceCheckUtils]: 82: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,943 INFO L275 TraceCheckUtils]: 83: Hoare quadruple {6671#true} {6671#true} #57#return; {6671#true} is VALID [2020-07-17 22:20:55,943 INFO L280 TraceCheckUtils]: 84: Hoare triple {6671#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6671#true} is VALID [2020-07-17 22:20:55,944 INFO L263 TraceCheckUtils]: 85: Hoare triple {6671#true} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:55,944 INFO L280 TraceCheckUtils]: 86: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,944 INFO L280 TraceCheckUtils]: 87: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:55,944 INFO L280 TraceCheckUtils]: 88: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,944 INFO L275 TraceCheckUtils]: 89: Hoare quadruple {6671#true} {6671#true} #59#return; {6671#true} is VALID [2020-07-17 22:20:55,945 INFO L280 TraceCheckUtils]: 90: Hoare triple {6671#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6671#true} is VALID [2020-07-17 22:20:55,945 INFO L280 TraceCheckUtils]: 91: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,946 INFO L275 TraceCheckUtils]: 92: Hoare quadruple {6671#true} {7267#(<= fibo2_~n |fibo2_#in~n|)} #53#return; {7267#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,946 INFO L280 TraceCheckUtils]: 93: Hoare triple {7267#(<= fibo2_~n |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7267#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,947 INFO L263 TraceCheckUtils]: 94: Hoare triple {7267#(<= fibo2_~n |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-17 22:20:55,947 INFO L280 TraceCheckUtils]: 95: Hoare triple {6671#true} ~n := #in~n; {7071#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,948 INFO L280 TraceCheckUtils]: 96: Hoare triple {7071#(<= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7071#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,948 INFO L280 TraceCheckUtils]: 97: Hoare triple {7071#(<= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {7071#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,948 INFO L263 TraceCheckUtils]: 98: Hoare triple {7071#(<= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-17 22:20:55,949 INFO L280 TraceCheckUtils]: 99: Hoare triple {6671#true} ~n := #in~n; {7267#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,951 INFO L280 TraceCheckUtils]: 100: Hoare triple {7267#(<= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {7355#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,951 INFO L280 TraceCheckUtils]: 101: Hoare triple {7355#(<= 1 |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {7355#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,952 INFO L280 TraceCheckUtils]: 102: Hoare triple {7355#(<= 1 |fibo2_#in~n|)} assume true; {7355#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,953 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {7355#(<= 1 |fibo2_#in~n|)} {7071#(<= fibo1_~n |fibo1_#in~n|)} #57#return; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,955 INFO L280 TraceCheckUtils]: 104: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,955 INFO L263 TraceCheckUtils]: 105: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-17 22:20:55,955 INFO L280 TraceCheckUtils]: 106: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-17 22:20:55,955 INFO L280 TraceCheckUtils]: 107: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-17 22:20:55,955 INFO L280 TraceCheckUtils]: 108: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-17 22:20:55,957 INFO L275 TraceCheckUtils]: 109: Hoare quadruple {6671#true} {7040#(<= 2 |fibo1_#in~n|)} #59#return; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,957 INFO L280 TraceCheckUtils]: 110: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,958 INFO L280 TraceCheckUtils]: 111: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume true; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,959 INFO L275 TraceCheckUtils]: 112: Hoare quadruple {7040#(<= 2 |fibo1_#in~n|)} {7267#(<= fibo2_~n |fibo2_#in~n|)} #55#return; {7392#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,960 INFO L280 TraceCheckUtils]: 113: Hoare triple {7392#(<= 4 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {7392#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,960 INFO L280 TraceCheckUtils]: 114: Hoare triple {7392#(<= 4 |fibo2_#in~n|)} assume true; {7392#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:55,961 INFO L275 TraceCheckUtils]: 115: Hoare quadruple {7392#(<= 4 |fibo2_#in~n|)} {7071#(<= fibo1_~n |fibo1_#in~n|)} #59#return; {7402#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,962 INFO L280 TraceCheckUtils]: 116: Hoare triple {7402#(<= 6 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {7402#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,962 INFO L280 TraceCheckUtils]: 117: Hoare triple {7402#(<= 6 |fibo1_#in~n|)} assume true; {7402#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:55,963 INFO L275 TraceCheckUtils]: 118: Hoare quadruple {7402#(<= 6 |fibo1_#in~n|)} {6675#(<= main_~x~0 5)} #51#return; {6672#false} is VALID [2020-07-17 22:20:55,964 INFO L280 TraceCheckUtils]: 119: Hoare triple {6672#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {6672#false} is VALID [2020-07-17 22:20:55,964 INFO L280 TraceCheckUtils]: 120: Hoare triple {6672#false} assume 5 == ~result~0; {6672#false} is VALID [2020-07-17 22:20:55,964 INFO L280 TraceCheckUtils]: 121: Hoare triple {6672#false} assume !false; {6672#false} is VALID [2020-07-17 22:20:55,975 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 112 proven. 24 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2020-07-17 22:20:55,976 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 22:20:55,976 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9] total 20 [2020-07-17 22:20:55,976 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959714720] [2020-07-17 22:20:55,977 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 122 [2020-07-17 22:20:55,984 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:20:55,985 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 20 states. [2020-07-17 22:20:56,135 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 116 edges. 116 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:20:56,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-17 22:20:56,136 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:20:56,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-17 22:20:56,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2020-07-17 22:20:56,137 INFO L87 Difference]: Start difference. First operand 111 states and 154 transitions. Second operand 20 states. [2020-07-17 22:20:58,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:58,443 INFO L93 Difference]: Finished difference Result 227 states and 344 transitions. [2020-07-17 22:20:58,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-07-17 22:20:58,443 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 122 [2020-07-17 22:20:58,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:20:58,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-07-17 22:20:58,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 150 transitions. [2020-07-17 22:20:58,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-07-17 22:20:58,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 150 transitions. [2020-07-17 22:20:58,452 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 31 states and 150 transitions. [2020-07-17 22:20:58,667 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 150 edges. 150 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:20:58,672 INFO L225 Difference]: With dead ends: 227 [2020-07-17 22:20:58,672 INFO L226 Difference]: Without dead ends: 125 [2020-07-17 22:20:58,674 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=237, Invalid=1323, Unknown=0, NotChecked=0, Total=1560 [2020-07-17 22:20:58,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-07-17 22:20:58,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 92. [2020-07-17 22:20:58,739 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:20:58,739 INFO L82 GeneralOperation]: Start isEquivalent. First operand 125 states. Second operand 92 states. [2020-07-17 22:20:58,739 INFO L74 IsIncluded]: Start isIncluded. First operand 125 states. Second operand 92 states. [2020-07-17 22:20:58,739 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 92 states. [2020-07-17 22:20:58,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:58,743 INFO L93 Difference]: Finished difference Result 125 states and 162 transitions. [2020-07-17 22:20:58,743 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 162 transitions. [2020-07-17 22:20:58,744 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:58,744 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:58,744 INFO L74 IsIncluded]: Start isIncluded. First operand 92 states. Second operand 125 states. [2020-07-17 22:20:58,744 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 125 states. [2020-07-17 22:20:58,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:20:58,749 INFO L93 Difference]: Finished difference Result 125 states and 162 transitions. [2020-07-17 22:20:58,749 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 162 transitions. [2020-07-17 22:20:58,750 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:20:58,750 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:20:58,750 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:20:58,750 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:20:58,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-07-17 22:20:58,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 115 transitions. [2020-07-17 22:20:58,754 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 115 transitions. Word has length 122 [2020-07-17 22:20:58,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:20:58,755 INFO L479 AbstractCegarLoop]: Abstraction has 92 states and 115 transitions. [2020-07-17 22:20:58,755 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-17 22:20:58,755 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 115 transitions. [2020-07-17 22:20:58,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-07-17 22:20:58,756 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:20:58,756 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:20:58,970 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-17 22:20:58,971 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:20:58,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:20:58,972 INFO L82 PathProgramCache]: Analyzing trace with hash -46122593, now seen corresponding path program 2 times [2020-07-17 22:20:58,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:20:58,973 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224682809] [2020-07-17 22:20:58,973 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:20:58,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:59,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:59,013 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,014 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {8131#true} {8131#true} #47#return; {8131#true} is VALID [2020-07-17 22:20:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:59,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:59,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:59,170 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,171 INFO L280 TraceCheckUtils]: 1: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:59,171 INFO L280 TraceCheckUtils]: 2: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-17 22:20:59,171 INFO L280 TraceCheckUtils]: 3: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,172 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {8131#true} {8378#(<= 2 |fibo2_#in~n|)} #53#return; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:59,176 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,177 INFO L280 TraceCheckUtils]: 1: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-17 22:20:59,177 INFO L280 TraceCheckUtils]: 2: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,179 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {8131#true} {8378#(<= 2 |fibo2_#in~n|)} #55#return; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,180 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} ~n := #in~n; {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,180 INFO L280 TraceCheckUtils]: 1: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8377#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-17 22:20:59,181 INFO L280 TraceCheckUtils]: 2: Hoare triple {8377#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,181 INFO L263 TraceCheckUtils]: 3: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-17 22:20:59,182 INFO L280 TraceCheckUtils]: 4: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,182 INFO L280 TraceCheckUtils]: 5: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:59,182 INFO L280 TraceCheckUtils]: 6: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-17 22:20:59,182 INFO L280 TraceCheckUtils]: 7: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,183 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {8131#true} {8378#(<= 2 |fibo2_#in~n|)} #53#return; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,184 INFO L280 TraceCheckUtils]: 9: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,184 INFO L263 TraceCheckUtils]: 10: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-17 22:20:59,184 INFO L280 TraceCheckUtils]: 11: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,185 INFO L280 TraceCheckUtils]: 12: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-17 22:20:59,185 INFO L280 TraceCheckUtils]: 13: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,186 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {8131#true} {8378#(<= 2 |fibo2_#in~n|)} #55#return; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,186 INFO L280 TraceCheckUtils]: 15: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,187 INFO L280 TraceCheckUtils]: 16: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume true; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,188 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {8378#(<= 2 |fibo2_#in~n|)} {8352#(= fibo1_~n |fibo1_#in~n|)} #57#return; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:59,196 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,196 INFO L280 TraceCheckUtils]: 1: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:59,197 INFO L280 TraceCheckUtils]: 2: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-17 22:20:59,197 INFO L280 TraceCheckUtils]: 3: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,198 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {8131#true} {8371#(<= 3 |fibo1_#in~n|)} #59#return; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,198 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} ~n := #in~n; {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,199 INFO L280 TraceCheckUtils]: 1: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,199 INFO L280 TraceCheckUtils]: 2: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,199 INFO L263 TraceCheckUtils]: 3: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {8131#true} is VALID [2020-07-17 22:20:59,200 INFO L280 TraceCheckUtils]: 4: Hoare triple {8131#true} ~n := #in~n; {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,201 INFO L280 TraceCheckUtils]: 5: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8377#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-17 22:20:59,201 INFO L280 TraceCheckUtils]: 6: Hoare triple {8377#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,202 INFO L263 TraceCheckUtils]: 7: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-17 22:20:59,202 INFO L280 TraceCheckUtils]: 8: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,202 INFO L280 TraceCheckUtils]: 9: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:59,202 INFO L280 TraceCheckUtils]: 10: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-17 22:20:59,202 INFO L280 TraceCheckUtils]: 11: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,203 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {8131#true} {8378#(<= 2 |fibo2_#in~n|)} #53#return; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,204 INFO L280 TraceCheckUtils]: 13: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,204 INFO L263 TraceCheckUtils]: 14: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-17 22:20:59,204 INFO L280 TraceCheckUtils]: 15: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,204 INFO L280 TraceCheckUtils]: 16: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-17 22:20:59,205 INFO L280 TraceCheckUtils]: 17: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,205 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {8131#true} {8378#(<= 2 |fibo2_#in~n|)} #55#return; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,206 INFO L280 TraceCheckUtils]: 19: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,206 INFO L280 TraceCheckUtils]: 20: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume true; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,207 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {8378#(<= 2 |fibo2_#in~n|)} {8352#(= fibo1_~n |fibo1_#in~n|)} #57#return; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,208 INFO L280 TraceCheckUtils]: 22: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,208 INFO L263 TraceCheckUtils]: 23: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {8131#true} is VALID [2020-07-17 22:20:59,208 INFO L280 TraceCheckUtils]: 24: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,209 INFO L280 TraceCheckUtils]: 25: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:59,209 INFO L280 TraceCheckUtils]: 26: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-17 22:20:59,209 INFO L280 TraceCheckUtils]: 27: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,210 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {8131#true} {8371#(<= 3 |fibo1_#in~n|)} #59#return; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,210 INFO L280 TraceCheckUtils]: 29: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,211 INFO L280 TraceCheckUtils]: 30: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} assume true; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,212 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {8371#(<= 3 |fibo1_#in~n|)} {8300#(= fibo2_~n |fibo2_#in~n|)} #53#return; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:59,228 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,229 INFO L280 TraceCheckUtils]: 1: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:59,229 INFO L280 TraceCheckUtils]: 2: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-17 22:20:59,229 INFO L280 TraceCheckUtils]: 3: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,229 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {8131#true} {8131#true} #57#return; {8131#true} is VALID [2020-07-17 22:20:59,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:59,233 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,233 INFO L280 TraceCheckUtils]: 1: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-17 22:20:59,233 INFO L280 TraceCheckUtils]: 2: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,233 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {8131#true} {8131#true} #59#return; {8131#true} is VALID [2020-07-17 22:20:59,234 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,234 INFO L280 TraceCheckUtils]: 1: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:59,234 INFO L280 TraceCheckUtils]: 2: Hoare triple {8131#true} assume !(1 == ~n); {8131#true} is VALID [2020-07-17 22:20:59,234 INFO L263 TraceCheckUtils]: 3: Hoare triple {8131#true} call #t~ret0 := fibo2(~n - 1); {8131#true} is VALID [2020-07-17 22:20:59,235 INFO L280 TraceCheckUtils]: 4: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,235 INFO L280 TraceCheckUtils]: 5: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:59,235 INFO L280 TraceCheckUtils]: 6: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-17 22:20:59,235 INFO L280 TraceCheckUtils]: 7: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,235 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {8131#true} {8131#true} #57#return; {8131#true} is VALID [2020-07-17 22:20:59,236 INFO L280 TraceCheckUtils]: 9: Hoare triple {8131#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8131#true} is VALID [2020-07-17 22:20:59,236 INFO L263 TraceCheckUtils]: 10: Hoare triple {8131#true} call #t~ret1 := fibo2(~n - 2); {8131#true} is VALID [2020-07-17 22:20:59,236 INFO L280 TraceCheckUtils]: 11: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,236 INFO L280 TraceCheckUtils]: 12: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-17 22:20:59,236 INFO L280 TraceCheckUtils]: 13: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,237 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {8131#true} {8131#true} #59#return; {8131#true} is VALID [2020-07-17 22:20:59,237 INFO L280 TraceCheckUtils]: 15: Hoare triple {8131#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {8131#true} is VALID [2020-07-17 22:20:59,237 INFO L280 TraceCheckUtils]: 16: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,238 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {8131#true} {8333#(<= 4 |fibo2_#in~n|)} #55#return; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,239 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} ~n := #in~n; {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,239 INFO L280 TraceCheckUtils]: 1: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,240 INFO L280 TraceCheckUtils]: 2: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,240 INFO L263 TraceCheckUtils]: 3: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-17 22:20:59,241 INFO L280 TraceCheckUtils]: 4: Hoare triple {8131#true} ~n := #in~n; {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,241 INFO L280 TraceCheckUtils]: 5: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,242 INFO L280 TraceCheckUtils]: 6: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,242 INFO L263 TraceCheckUtils]: 7: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {8131#true} is VALID [2020-07-17 22:20:59,243 INFO L280 TraceCheckUtils]: 8: Hoare triple {8131#true} ~n := #in~n; {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,243 INFO L280 TraceCheckUtils]: 9: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8377#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-17 22:20:59,244 INFO L280 TraceCheckUtils]: 10: Hoare triple {8377#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,244 INFO L263 TraceCheckUtils]: 11: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-17 22:20:59,245 INFO L280 TraceCheckUtils]: 12: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,245 INFO L280 TraceCheckUtils]: 13: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:59,245 INFO L280 TraceCheckUtils]: 14: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-17 22:20:59,245 INFO L280 TraceCheckUtils]: 15: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,246 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {8131#true} {8378#(<= 2 |fibo2_#in~n|)} #53#return; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,247 INFO L280 TraceCheckUtils]: 17: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,247 INFO L263 TraceCheckUtils]: 18: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-17 22:20:59,247 INFO L280 TraceCheckUtils]: 19: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,247 INFO L280 TraceCheckUtils]: 20: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-17 22:20:59,248 INFO L280 TraceCheckUtils]: 21: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,248 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {8131#true} {8378#(<= 2 |fibo2_#in~n|)} #55#return; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,249 INFO L280 TraceCheckUtils]: 23: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,250 INFO L280 TraceCheckUtils]: 24: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume true; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,251 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {8378#(<= 2 |fibo2_#in~n|)} {8352#(= fibo1_~n |fibo1_#in~n|)} #57#return; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,252 INFO L280 TraceCheckUtils]: 26: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,252 INFO L263 TraceCheckUtils]: 27: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {8131#true} is VALID [2020-07-17 22:20:59,253 INFO L280 TraceCheckUtils]: 28: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,253 INFO L280 TraceCheckUtils]: 29: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:59,253 INFO L280 TraceCheckUtils]: 30: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-17 22:20:59,253 INFO L280 TraceCheckUtils]: 31: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,254 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {8131#true} {8371#(<= 3 |fibo1_#in~n|)} #59#return; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,254 INFO L280 TraceCheckUtils]: 33: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,255 INFO L280 TraceCheckUtils]: 34: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} assume true; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,256 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {8371#(<= 3 |fibo1_#in~n|)} {8300#(= fibo2_~n |fibo2_#in~n|)} #53#return; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,257 INFO L280 TraceCheckUtils]: 36: Hoare triple {8333#(<= 4 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,257 INFO L263 TraceCheckUtils]: 37: Hoare triple {8333#(<= 4 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-17 22:20:59,257 INFO L280 TraceCheckUtils]: 38: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,257 INFO L280 TraceCheckUtils]: 39: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:59,258 INFO L280 TraceCheckUtils]: 40: Hoare triple {8131#true} assume !(1 == ~n); {8131#true} is VALID [2020-07-17 22:20:59,258 INFO L263 TraceCheckUtils]: 41: Hoare triple {8131#true} call #t~ret0 := fibo2(~n - 1); {8131#true} is VALID [2020-07-17 22:20:59,258 INFO L280 TraceCheckUtils]: 42: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,258 INFO L280 TraceCheckUtils]: 43: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:59,258 INFO L280 TraceCheckUtils]: 44: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-17 22:20:59,259 INFO L280 TraceCheckUtils]: 45: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,259 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {8131#true} {8131#true} #57#return; {8131#true} is VALID [2020-07-17 22:20:59,259 INFO L280 TraceCheckUtils]: 47: Hoare triple {8131#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8131#true} is VALID [2020-07-17 22:20:59,259 INFO L263 TraceCheckUtils]: 48: Hoare triple {8131#true} call #t~ret1 := fibo2(~n - 2); {8131#true} is VALID [2020-07-17 22:20:59,259 INFO L280 TraceCheckUtils]: 49: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,259 INFO L280 TraceCheckUtils]: 50: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-17 22:20:59,260 INFO L280 TraceCheckUtils]: 51: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,260 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {8131#true} {8131#true} #59#return; {8131#true} is VALID [2020-07-17 22:20:59,260 INFO L280 TraceCheckUtils]: 53: Hoare triple {8131#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {8131#true} is VALID [2020-07-17 22:20:59,260 INFO L280 TraceCheckUtils]: 54: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,261 INFO L275 TraceCheckUtils]: 55: Hoare quadruple {8131#true} {8333#(<= 4 |fibo2_#in~n|)} #55#return; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,262 INFO L280 TraceCheckUtils]: 56: Hoare triple {8333#(<= 4 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,262 INFO L280 TraceCheckUtils]: 57: Hoare triple {8333#(<= 4 |fibo2_#in~n|)} assume true; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,263 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {8333#(<= 4 |fibo2_#in~n|)} {8131#true} #57#return; {8281#(<= 5 fibo1_~n)} is VALID [2020-07-17 22:20:59,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:59,310 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} ~n := #in~n; {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,314 INFO L280 TraceCheckUtils]: 1: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,318 INFO L280 TraceCheckUtils]: 2: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {8407#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:59,319 INFO L280 TraceCheckUtils]: 3: Hoare triple {8407#(<= |fibo1_#in~n| 1)} assume true; {8407#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:59,321 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {8407#(<= |fibo1_#in~n| 1)} {8300#(= fibo2_~n |fibo2_#in~n|)} #53#return; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:59,326 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,326 INFO L280 TraceCheckUtils]: 1: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-17 22:20:59,327 INFO L280 TraceCheckUtils]: 2: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,328 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {8131#true} {8402#(<= |fibo2_#in~n| 2)} #55#return; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:59,329 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} ~n := #in~n; {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,329 INFO L280 TraceCheckUtils]: 1: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,330 INFO L280 TraceCheckUtils]: 2: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,331 INFO L263 TraceCheckUtils]: 3: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-17 22:20:59,332 INFO L280 TraceCheckUtils]: 4: Hoare triple {8131#true} ~n := #in~n; {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,332 INFO L280 TraceCheckUtils]: 5: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,333 INFO L280 TraceCheckUtils]: 6: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {8407#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:59,334 INFO L280 TraceCheckUtils]: 7: Hoare triple {8407#(<= |fibo1_#in~n| 1)} assume true; {8407#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:59,336 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {8407#(<= |fibo1_#in~n| 1)} {8300#(= fibo2_~n |fibo2_#in~n|)} #53#return; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:59,337 INFO L280 TraceCheckUtils]: 9: Hoare triple {8402#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:59,338 INFO L263 TraceCheckUtils]: 10: Hoare triple {8402#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-17 22:20:59,338 INFO L280 TraceCheckUtils]: 11: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,338 INFO L280 TraceCheckUtils]: 12: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-17 22:20:59,339 INFO L280 TraceCheckUtils]: 13: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,340 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {8131#true} {8402#(<= |fibo2_#in~n| 2)} #55#return; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:59,341 INFO L280 TraceCheckUtils]: 15: Hoare triple {8402#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:59,342 INFO L280 TraceCheckUtils]: 16: Hoare triple {8402#(<= |fibo2_#in~n| 2)} assume true; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:59,343 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {8402#(<= |fibo2_#in~n| 2)} {8281#(<= 5 fibo1_~n)} #59#return; {8132#false} is VALID [2020-07-17 22:20:59,344 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,344 INFO L280 TraceCheckUtils]: 1: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:59,345 INFO L280 TraceCheckUtils]: 2: Hoare triple {8131#true} assume !(1 == ~n); {8131#true} is VALID [2020-07-17 22:20:59,345 INFO L263 TraceCheckUtils]: 3: Hoare triple {8131#true} call #t~ret0 := fibo2(~n - 1); {8131#true} is VALID [2020-07-17 22:20:59,346 INFO L280 TraceCheckUtils]: 4: Hoare triple {8131#true} ~n := #in~n; {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,347 INFO L280 TraceCheckUtils]: 5: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,347 INFO L280 TraceCheckUtils]: 6: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,348 INFO L263 TraceCheckUtils]: 7: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-17 22:20:59,349 INFO L280 TraceCheckUtils]: 8: Hoare triple {8131#true} ~n := #in~n; {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,349 INFO L280 TraceCheckUtils]: 9: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,350 INFO L280 TraceCheckUtils]: 10: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,350 INFO L263 TraceCheckUtils]: 11: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {8131#true} is VALID [2020-07-17 22:20:59,351 INFO L280 TraceCheckUtils]: 12: Hoare triple {8131#true} ~n := #in~n; {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,352 INFO L280 TraceCheckUtils]: 13: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8377#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-17 22:20:59,353 INFO L280 TraceCheckUtils]: 14: Hoare triple {8377#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,353 INFO L263 TraceCheckUtils]: 15: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-17 22:20:59,353 INFO L280 TraceCheckUtils]: 16: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,354 INFO L280 TraceCheckUtils]: 17: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:59,354 INFO L280 TraceCheckUtils]: 18: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-17 22:20:59,354 INFO L280 TraceCheckUtils]: 19: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,355 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {8131#true} {8378#(<= 2 |fibo2_#in~n|)} #53#return; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,356 INFO L280 TraceCheckUtils]: 21: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,356 INFO L263 TraceCheckUtils]: 22: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-17 22:20:59,356 INFO L280 TraceCheckUtils]: 23: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,356 INFO L280 TraceCheckUtils]: 24: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-17 22:20:59,356 INFO L280 TraceCheckUtils]: 25: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,357 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {8131#true} {8378#(<= 2 |fibo2_#in~n|)} #55#return; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,358 INFO L280 TraceCheckUtils]: 27: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,359 INFO L280 TraceCheckUtils]: 28: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume true; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,360 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {8378#(<= 2 |fibo2_#in~n|)} {8352#(= fibo1_~n |fibo1_#in~n|)} #57#return; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,361 INFO L280 TraceCheckUtils]: 30: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,361 INFO L263 TraceCheckUtils]: 31: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {8131#true} is VALID [2020-07-17 22:20:59,361 INFO L280 TraceCheckUtils]: 32: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,361 INFO L280 TraceCheckUtils]: 33: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:59,361 INFO L280 TraceCheckUtils]: 34: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-17 22:20:59,362 INFO L280 TraceCheckUtils]: 35: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,363 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {8131#true} {8371#(<= 3 |fibo1_#in~n|)} #59#return; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,363 INFO L280 TraceCheckUtils]: 37: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,364 INFO L280 TraceCheckUtils]: 38: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} assume true; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,365 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {8371#(<= 3 |fibo1_#in~n|)} {8300#(= fibo2_~n |fibo2_#in~n|)} #53#return; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,366 INFO L280 TraceCheckUtils]: 40: Hoare triple {8333#(<= 4 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,366 INFO L263 TraceCheckUtils]: 41: Hoare triple {8333#(<= 4 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-17 22:20:59,366 INFO L280 TraceCheckUtils]: 42: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,367 INFO L280 TraceCheckUtils]: 43: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:59,367 INFO L280 TraceCheckUtils]: 44: Hoare triple {8131#true} assume !(1 == ~n); {8131#true} is VALID [2020-07-17 22:20:59,367 INFO L263 TraceCheckUtils]: 45: Hoare triple {8131#true} call #t~ret0 := fibo2(~n - 1); {8131#true} is VALID [2020-07-17 22:20:59,368 INFO L280 TraceCheckUtils]: 46: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,368 INFO L280 TraceCheckUtils]: 47: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:59,368 INFO L280 TraceCheckUtils]: 48: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-17 22:20:59,368 INFO L280 TraceCheckUtils]: 49: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,369 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {8131#true} {8131#true} #57#return; {8131#true} is VALID [2020-07-17 22:20:59,369 INFO L280 TraceCheckUtils]: 51: Hoare triple {8131#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8131#true} is VALID [2020-07-17 22:20:59,369 INFO L263 TraceCheckUtils]: 52: Hoare triple {8131#true} call #t~ret1 := fibo2(~n - 2); {8131#true} is VALID [2020-07-17 22:20:59,370 INFO L280 TraceCheckUtils]: 53: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,370 INFO L280 TraceCheckUtils]: 54: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-17 22:20:59,370 INFO L280 TraceCheckUtils]: 55: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,371 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {8131#true} {8131#true} #59#return; {8131#true} is VALID [2020-07-17 22:20:59,371 INFO L280 TraceCheckUtils]: 57: Hoare triple {8131#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {8131#true} is VALID [2020-07-17 22:20:59,371 INFO L280 TraceCheckUtils]: 58: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,373 INFO L275 TraceCheckUtils]: 59: Hoare quadruple {8131#true} {8333#(<= 4 |fibo2_#in~n|)} #55#return; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,373 INFO L280 TraceCheckUtils]: 60: Hoare triple {8333#(<= 4 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,374 INFO L280 TraceCheckUtils]: 61: Hoare triple {8333#(<= 4 |fibo2_#in~n|)} assume true; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,376 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {8333#(<= 4 |fibo2_#in~n|)} {8131#true} #57#return; {8281#(<= 5 fibo1_~n)} is VALID [2020-07-17 22:20:59,377 INFO L280 TraceCheckUtils]: 63: Hoare triple {8281#(<= 5 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8281#(<= 5 fibo1_~n)} is VALID [2020-07-17 22:20:59,377 INFO L263 TraceCheckUtils]: 64: Hoare triple {8281#(<= 5 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {8131#true} is VALID [2020-07-17 22:20:59,378 INFO L280 TraceCheckUtils]: 65: Hoare triple {8131#true} ~n := #in~n; {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,378 INFO L280 TraceCheckUtils]: 66: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,379 INFO L280 TraceCheckUtils]: 67: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,380 INFO L263 TraceCheckUtils]: 68: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-17 22:20:59,380 INFO L280 TraceCheckUtils]: 69: Hoare triple {8131#true} ~n := #in~n; {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,381 INFO L280 TraceCheckUtils]: 70: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,382 INFO L280 TraceCheckUtils]: 71: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {8407#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:59,383 INFO L280 TraceCheckUtils]: 72: Hoare triple {8407#(<= |fibo1_#in~n| 1)} assume true; {8407#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:59,385 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {8407#(<= |fibo1_#in~n| 1)} {8300#(= fibo2_~n |fibo2_#in~n|)} #53#return; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:59,386 INFO L280 TraceCheckUtils]: 74: Hoare triple {8402#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:59,386 INFO L263 TraceCheckUtils]: 75: Hoare triple {8402#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-17 22:20:59,386 INFO L280 TraceCheckUtils]: 76: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,387 INFO L280 TraceCheckUtils]: 77: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-17 22:20:59,387 INFO L280 TraceCheckUtils]: 78: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,388 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {8131#true} {8402#(<= |fibo2_#in~n| 2)} #55#return; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:59,389 INFO L280 TraceCheckUtils]: 80: Hoare triple {8402#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:59,390 INFO L280 TraceCheckUtils]: 81: Hoare triple {8402#(<= |fibo2_#in~n| 2)} assume true; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:59,391 INFO L275 TraceCheckUtils]: 82: Hoare quadruple {8402#(<= |fibo2_#in~n| 2)} {8281#(<= 5 fibo1_~n)} #59#return; {8132#false} is VALID [2020-07-17 22:20:59,392 INFO L280 TraceCheckUtils]: 83: Hoare triple {8132#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {8132#false} is VALID [2020-07-17 22:20:59,392 INFO L280 TraceCheckUtils]: 84: Hoare triple {8132#false} assume true; {8132#false} is VALID [2020-07-17 22:20:59,392 INFO L275 TraceCheckUtils]: 85: Hoare quadruple {8132#false} {8135#(<= 5 main_~x~0)} #51#return; {8132#false} is VALID [2020-07-17 22:20:59,401 INFO L263 TraceCheckUtils]: 0: Hoare triple {8131#true} call ULTIMATE.init(); {8131#true} is VALID [2020-07-17 22:20:59,402 INFO L280 TraceCheckUtils]: 1: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,402 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {8131#true} {8131#true} #47#return; {8131#true} is VALID [2020-07-17 22:20:59,402 INFO L263 TraceCheckUtils]: 3: Hoare triple {8131#true} call #t~ret5 := main(); {8131#true} is VALID [2020-07-17 22:20:59,403 INFO L280 TraceCheckUtils]: 4: Hoare triple {8131#true} ~x~0 := 5; {8135#(<= 5 main_~x~0)} is VALID [2020-07-17 22:20:59,403 INFO L263 TraceCheckUtils]: 5: Hoare triple {8135#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {8131#true} is VALID [2020-07-17 22:20:59,403 INFO L280 TraceCheckUtils]: 6: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,403 INFO L280 TraceCheckUtils]: 7: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:59,404 INFO L280 TraceCheckUtils]: 8: Hoare triple {8131#true} assume !(1 == ~n); {8131#true} is VALID [2020-07-17 22:20:59,404 INFO L263 TraceCheckUtils]: 9: Hoare triple {8131#true} call #t~ret0 := fibo2(~n - 1); {8131#true} is VALID [2020-07-17 22:20:59,404 INFO L280 TraceCheckUtils]: 10: Hoare triple {8131#true} ~n := #in~n; {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,405 INFO L280 TraceCheckUtils]: 11: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,406 INFO L280 TraceCheckUtils]: 12: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,406 INFO L263 TraceCheckUtils]: 13: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-17 22:20:59,406 INFO L280 TraceCheckUtils]: 14: Hoare triple {8131#true} ~n := #in~n; {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,407 INFO L280 TraceCheckUtils]: 15: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,408 INFO L280 TraceCheckUtils]: 16: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,408 INFO L263 TraceCheckUtils]: 17: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {8131#true} is VALID [2020-07-17 22:20:59,409 INFO L280 TraceCheckUtils]: 18: Hoare triple {8131#true} ~n := #in~n; {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,410 INFO L280 TraceCheckUtils]: 19: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8377#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-17 22:20:59,411 INFO L280 TraceCheckUtils]: 20: Hoare triple {8377#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,411 INFO L263 TraceCheckUtils]: 21: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-17 22:20:59,412 INFO L280 TraceCheckUtils]: 22: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,412 INFO L280 TraceCheckUtils]: 23: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:59,412 INFO L280 TraceCheckUtils]: 24: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-17 22:20:59,413 INFO L280 TraceCheckUtils]: 25: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,414 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {8131#true} {8378#(<= 2 |fibo2_#in~n|)} #53#return; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,415 INFO L280 TraceCheckUtils]: 27: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,415 INFO L263 TraceCheckUtils]: 28: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-17 22:20:59,415 INFO L280 TraceCheckUtils]: 29: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,416 INFO L280 TraceCheckUtils]: 30: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-17 22:20:59,416 INFO L280 TraceCheckUtils]: 31: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,417 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {8131#true} {8378#(<= 2 |fibo2_#in~n|)} #55#return; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,418 INFO L280 TraceCheckUtils]: 33: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,419 INFO L280 TraceCheckUtils]: 34: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume true; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,420 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {8378#(<= 2 |fibo2_#in~n|)} {8352#(= fibo1_~n |fibo1_#in~n|)} #57#return; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,421 INFO L280 TraceCheckUtils]: 36: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,422 INFO L263 TraceCheckUtils]: 37: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {8131#true} is VALID [2020-07-17 22:20:59,422 INFO L280 TraceCheckUtils]: 38: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,422 INFO L280 TraceCheckUtils]: 39: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:59,422 INFO L280 TraceCheckUtils]: 40: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-17 22:20:59,423 INFO L280 TraceCheckUtils]: 41: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,424 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {8131#true} {8371#(<= 3 |fibo1_#in~n|)} #59#return; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,425 INFO L280 TraceCheckUtils]: 43: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,426 INFO L280 TraceCheckUtils]: 44: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} assume true; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,427 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {8371#(<= 3 |fibo1_#in~n|)} {8300#(= fibo2_~n |fibo2_#in~n|)} #53#return; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,428 INFO L280 TraceCheckUtils]: 46: Hoare triple {8333#(<= 4 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,428 INFO L263 TraceCheckUtils]: 47: Hoare triple {8333#(<= 4 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-17 22:20:59,429 INFO L280 TraceCheckUtils]: 48: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,429 INFO L280 TraceCheckUtils]: 49: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:59,429 INFO L280 TraceCheckUtils]: 50: Hoare triple {8131#true} assume !(1 == ~n); {8131#true} is VALID [2020-07-17 22:20:59,430 INFO L263 TraceCheckUtils]: 51: Hoare triple {8131#true} call #t~ret0 := fibo2(~n - 1); {8131#true} is VALID [2020-07-17 22:20:59,430 INFO L280 TraceCheckUtils]: 52: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,430 INFO L280 TraceCheckUtils]: 53: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:59,430 INFO L280 TraceCheckUtils]: 54: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-17 22:20:59,431 INFO L280 TraceCheckUtils]: 55: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,431 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {8131#true} {8131#true} #57#return; {8131#true} is VALID [2020-07-17 22:20:59,431 INFO L280 TraceCheckUtils]: 57: Hoare triple {8131#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8131#true} is VALID [2020-07-17 22:20:59,431 INFO L263 TraceCheckUtils]: 58: Hoare triple {8131#true} call #t~ret1 := fibo2(~n - 2); {8131#true} is VALID [2020-07-17 22:20:59,432 INFO L280 TraceCheckUtils]: 59: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,432 INFO L280 TraceCheckUtils]: 60: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-17 22:20:59,432 INFO L280 TraceCheckUtils]: 61: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,433 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {8131#true} {8131#true} #59#return; {8131#true} is VALID [2020-07-17 22:20:59,433 INFO L280 TraceCheckUtils]: 63: Hoare triple {8131#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {8131#true} is VALID [2020-07-17 22:20:59,433 INFO L280 TraceCheckUtils]: 64: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,434 INFO L275 TraceCheckUtils]: 65: Hoare quadruple {8131#true} {8333#(<= 4 |fibo2_#in~n|)} #55#return; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,435 INFO L280 TraceCheckUtils]: 66: Hoare triple {8333#(<= 4 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,436 INFO L280 TraceCheckUtils]: 67: Hoare triple {8333#(<= 4 |fibo2_#in~n|)} assume true; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,438 INFO L275 TraceCheckUtils]: 68: Hoare quadruple {8333#(<= 4 |fibo2_#in~n|)} {8131#true} #57#return; {8281#(<= 5 fibo1_~n)} is VALID [2020-07-17 22:20:59,439 INFO L280 TraceCheckUtils]: 69: Hoare triple {8281#(<= 5 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8281#(<= 5 fibo1_~n)} is VALID [2020-07-17 22:20:59,439 INFO L263 TraceCheckUtils]: 70: Hoare triple {8281#(<= 5 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {8131#true} is VALID [2020-07-17 22:20:59,439 INFO L280 TraceCheckUtils]: 71: Hoare triple {8131#true} ~n := #in~n; {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,440 INFO L280 TraceCheckUtils]: 72: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,441 INFO L280 TraceCheckUtils]: 73: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-17 22:20:59,441 INFO L263 TraceCheckUtils]: 74: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-17 22:20:59,441 INFO L280 TraceCheckUtils]: 75: Hoare triple {8131#true} ~n := #in~n; {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,442 INFO L280 TraceCheckUtils]: 76: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-17 22:20:59,443 INFO L280 TraceCheckUtils]: 77: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {8407#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:59,444 INFO L280 TraceCheckUtils]: 78: Hoare triple {8407#(<= |fibo1_#in~n| 1)} assume true; {8407#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:59,445 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {8407#(<= |fibo1_#in~n| 1)} {8300#(= fibo2_~n |fibo2_#in~n|)} #53#return; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:59,446 INFO L280 TraceCheckUtils]: 80: Hoare triple {8402#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:59,446 INFO L263 TraceCheckUtils]: 81: Hoare triple {8402#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-17 22:20:59,446 INFO L280 TraceCheckUtils]: 82: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,446 INFO L280 TraceCheckUtils]: 83: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-17 22:20:59,447 INFO L280 TraceCheckUtils]: 84: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,448 INFO L275 TraceCheckUtils]: 85: Hoare quadruple {8131#true} {8402#(<= |fibo2_#in~n| 2)} #55#return; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:59,448 INFO L280 TraceCheckUtils]: 86: Hoare triple {8402#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:59,449 INFO L280 TraceCheckUtils]: 87: Hoare triple {8402#(<= |fibo2_#in~n| 2)} assume true; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:59,450 INFO L275 TraceCheckUtils]: 88: Hoare quadruple {8402#(<= |fibo2_#in~n| 2)} {8281#(<= 5 fibo1_~n)} #59#return; {8132#false} is VALID [2020-07-17 22:20:59,450 INFO L280 TraceCheckUtils]: 89: Hoare triple {8132#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {8132#false} is VALID [2020-07-17 22:20:59,450 INFO L280 TraceCheckUtils]: 90: Hoare triple {8132#false} assume true; {8132#false} is VALID [2020-07-17 22:20:59,451 INFO L275 TraceCheckUtils]: 91: Hoare quadruple {8132#false} {8135#(<= 5 main_~x~0)} #51#return; {8132#false} is VALID [2020-07-17 22:20:59,451 INFO L280 TraceCheckUtils]: 92: Hoare triple {8132#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {8132#false} is VALID [2020-07-17 22:20:59,451 INFO L280 TraceCheckUtils]: 93: Hoare triple {8132#false} assume 5 == ~result~0; {8132#false} is VALID [2020-07-17 22:20:59,451 INFO L280 TraceCheckUtils]: 94: Hoare triple {8132#false} assume !false; {8132#false} is VALID [2020-07-17 22:20:59,459 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 59 proven. 50 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-07-17 22:20:59,459 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224682809] [2020-07-17 22:20:59,460 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2020318628] [2020-07-17 22:20:59,460 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:20:59,517 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-07-17 22:20:59,518 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-17 22:20:59,519 INFO L264 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-17 22:20:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:20:59,541 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 22:20:59,752 INFO L263 TraceCheckUtils]: 0: Hoare triple {8131#true} call ULTIMATE.init(); {8131#true} is VALID [2020-07-17 22:20:59,752 INFO L280 TraceCheckUtils]: 1: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,752 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {8131#true} {8131#true} #47#return; {8131#true} is VALID [2020-07-17 22:20:59,753 INFO L263 TraceCheckUtils]: 3: Hoare triple {8131#true} call #t~ret5 := main(); {8131#true} is VALID [2020-07-17 22:20:59,753 INFO L280 TraceCheckUtils]: 4: Hoare triple {8131#true} ~x~0 := 5; {8135#(<= 5 main_~x~0)} is VALID [2020-07-17 22:20:59,754 INFO L263 TraceCheckUtils]: 5: Hoare triple {8135#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {8131#true} is VALID [2020-07-17 22:20:59,754 INFO L280 TraceCheckUtils]: 6: Hoare triple {8131#true} ~n := #in~n; {8429#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:59,755 INFO L280 TraceCheckUtils]: 7: Hoare triple {8429#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {8429#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:59,756 INFO L280 TraceCheckUtils]: 8: Hoare triple {8429#(<= |fibo1_#in~n| fibo1_~n)} assume !(1 == ~n); {8429#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:59,756 INFO L263 TraceCheckUtils]: 9: Hoare triple {8429#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {8131#true} is VALID [2020-07-17 22:20:59,756 INFO L280 TraceCheckUtils]: 10: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,756 INFO L280 TraceCheckUtils]: 11: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:59,757 INFO L280 TraceCheckUtils]: 12: Hoare triple {8131#true} assume !(1 == ~n); {8131#true} is VALID [2020-07-17 22:20:59,757 INFO L263 TraceCheckUtils]: 13: Hoare triple {8131#true} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-17 22:20:59,757 INFO L280 TraceCheckUtils]: 14: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,757 INFO L280 TraceCheckUtils]: 15: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:59,758 INFO L280 TraceCheckUtils]: 16: Hoare triple {8131#true} assume !(1 == ~n); {8131#true} is VALID [2020-07-17 22:20:59,758 INFO L263 TraceCheckUtils]: 17: Hoare triple {8131#true} call #t~ret0 := fibo2(~n - 1); {8131#true} is VALID [2020-07-17 22:20:59,758 INFO L280 TraceCheckUtils]: 18: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,758 INFO L280 TraceCheckUtils]: 19: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:59,758 INFO L280 TraceCheckUtils]: 20: Hoare triple {8131#true} assume !(1 == ~n); {8131#true} is VALID [2020-07-17 22:20:59,759 INFO L263 TraceCheckUtils]: 21: Hoare triple {8131#true} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-17 22:20:59,759 INFO L280 TraceCheckUtils]: 22: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,759 INFO L280 TraceCheckUtils]: 23: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:59,759 INFO L280 TraceCheckUtils]: 24: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-17 22:20:59,760 INFO L280 TraceCheckUtils]: 25: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,760 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {8131#true} {8131#true} #53#return; {8131#true} is VALID [2020-07-17 22:20:59,760 INFO L280 TraceCheckUtils]: 27: Hoare triple {8131#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8131#true} is VALID [2020-07-17 22:20:59,760 INFO L263 TraceCheckUtils]: 28: Hoare triple {8131#true} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-17 22:20:59,761 INFO L280 TraceCheckUtils]: 29: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,761 INFO L280 TraceCheckUtils]: 30: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-17 22:20:59,761 INFO L280 TraceCheckUtils]: 31: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,761 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {8131#true} {8131#true} #55#return; {8131#true} is VALID [2020-07-17 22:20:59,762 INFO L280 TraceCheckUtils]: 33: Hoare triple {8131#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {8131#true} is VALID [2020-07-17 22:20:59,762 INFO L280 TraceCheckUtils]: 34: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,762 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {8131#true} {8131#true} #57#return; {8131#true} is VALID [2020-07-17 22:20:59,762 INFO L280 TraceCheckUtils]: 36: Hoare triple {8131#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8131#true} is VALID [2020-07-17 22:20:59,762 INFO L263 TraceCheckUtils]: 37: Hoare triple {8131#true} call #t~ret1 := fibo2(~n - 2); {8131#true} is VALID [2020-07-17 22:20:59,763 INFO L280 TraceCheckUtils]: 38: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,763 INFO L280 TraceCheckUtils]: 39: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:59,763 INFO L280 TraceCheckUtils]: 40: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-17 22:20:59,763 INFO L280 TraceCheckUtils]: 41: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,764 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {8131#true} {8131#true} #59#return; {8131#true} is VALID [2020-07-17 22:20:59,764 INFO L280 TraceCheckUtils]: 43: Hoare triple {8131#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {8131#true} is VALID [2020-07-17 22:20:59,764 INFO L280 TraceCheckUtils]: 44: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,764 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {8131#true} {8131#true} #53#return; {8131#true} is VALID [2020-07-17 22:20:59,764 INFO L280 TraceCheckUtils]: 46: Hoare triple {8131#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8131#true} is VALID [2020-07-17 22:20:59,765 INFO L263 TraceCheckUtils]: 47: Hoare triple {8131#true} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-17 22:20:59,765 INFO L280 TraceCheckUtils]: 48: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,765 INFO L280 TraceCheckUtils]: 49: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:59,765 INFO L280 TraceCheckUtils]: 50: Hoare triple {8131#true} assume !(1 == ~n); {8131#true} is VALID [2020-07-17 22:20:59,765 INFO L263 TraceCheckUtils]: 51: Hoare triple {8131#true} call #t~ret0 := fibo2(~n - 1); {8131#true} is VALID [2020-07-17 22:20:59,766 INFO L280 TraceCheckUtils]: 52: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,766 INFO L280 TraceCheckUtils]: 53: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-17 22:20:59,766 INFO L280 TraceCheckUtils]: 54: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-17 22:20:59,766 INFO L280 TraceCheckUtils]: 55: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,767 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {8131#true} {8131#true} #57#return; {8131#true} is VALID [2020-07-17 22:20:59,767 INFO L280 TraceCheckUtils]: 57: Hoare triple {8131#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8131#true} is VALID [2020-07-17 22:20:59,767 INFO L263 TraceCheckUtils]: 58: Hoare triple {8131#true} call #t~ret1 := fibo2(~n - 2); {8131#true} is VALID [2020-07-17 22:20:59,767 INFO L280 TraceCheckUtils]: 59: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,767 INFO L280 TraceCheckUtils]: 60: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-17 22:20:59,768 INFO L280 TraceCheckUtils]: 61: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,768 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {8131#true} {8131#true} #59#return; {8131#true} is VALID [2020-07-17 22:20:59,768 INFO L280 TraceCheckUtils]: 63: Hoare triple {8131#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {8131#true} is VALID [2020-07-17 22:20:59,768 INFO L280 TraceCheckUtils]: 64: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,768 INFO L275 TraceCheckUtils]: 65: Hoare quadruple {8131#true} {8131#true} #55#return; {8131#true} is VALID [2020-07-17 22:20:59,769 INFO L280 TraceCheckUtils]: 66: Hoare triple {8131#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {8131#true} is VALID [2020-07-17 22:20:59,769 INFO L280 TraceCheckUtils]: 67: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,770 INFO L275 TraceCheckUtils]: 68: Hoare quadruple {8131#true} {8429#(<= |fibo1_#in~n| fibo1_~n)} #57#return; {8429#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:59,771 INFO L280 TraceCheckUtils]: 69: Hoare triple {8429#(<= |fibo1_#in~n| fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8429#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:59,771 INFO L263 TraceCheckUtils]: 70: Hoare triple {8429#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {8131#true} is VALID [2020-07-17 22:20:59,772 INFO L280 TraceCheckUtils]: 71: Hoare triple {8131#true} ~n := #in~n; {8625#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:59,772 INFO L280 TraceCheckUtils]: 72: Hoare triple {8625#(<= |fibo2_#in~n| fibo2_~n)} assume !(~n < 1); {8625#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:59,773 INFO L280 TraceCheckUtils]: 73: Hoare triple {8625#(<= |fibo2_#in~n| fibo2_~n)} assume !(1 == ~n); {8625#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-17 22:20:59,773 INFO L263 TraceCheckUtils]: 74: Hoare triple {8625#(<= |fibo2_#in~n| fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-17 22:20:59,774 INFO L280 TraceCheckUtils]: 75: Hoare triple {8131#true} ~n := #in~n; {8429#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:59,774 INFO L280 TraceCheckUtils]: 76: Hoare triple {8429#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {8429#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-17 22:20:59,775 INFO L280 TraceCheckUtils]: 77: Hoare triple {8429#(<= |fibo1_#in~n| fibo1_~n)} assume 1 == ~n;#res := 1; {8407#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:59,776 INFO L280 TraceCheckUtils]: 78: Hoare triple {8407#(<= |fibo1_#in~n| 1)} assume true; {8407#(<= |fibo1_#in~n| 1)} is VALID [2020-07-17 22:20:59,777 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {8407#(<= |fibo1_#in~n| 1)} {8625#(<= |fibo2_#in~n| fibo2_~n)} #53#return; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:59,777 INFO L280 TraceCheckUtils]: 80: Hoare triple {8402#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:59,778 INFO L263 TraceCheckUtils]: 81: Hoare triple {8402#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-17 22:20:59,778 INFO L280 TraceCheckUtils]: 82: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-17 22:20:59,778 INFO L280 TraceCheckUtils]: 83: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-17 22:20:59,778 INFO L280 TraceCheckUtils]: 84: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-17 22:20:59,779 INFO L275 TraceCheckUtils]: 85: Hoare quadruple {8131#true} {8402#(<= |fibo2_#in~n| 2)} #55#return; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:59,780 INFO L280 TraceCheckUtils]: 86: Hoare triple {8402#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret3;havoc #t~ret2; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:59,780 INFO L280 TraceCheckUtils]: 87: Hoare triple {8402#(<= |fibo2_#in~n| 2)} assume true; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-17 22:20:59,782 INFO L275 TraceCheckUtils]: 88: Hoare quadruple {8402#(<= |fibo2_#in~n| 2)} {8429#(<= |fibo1_#in~n| fibo1_~n)} #59#return; {8677#(<= |fibo1_#in~n| 4)} is VALID [2020-07-17 22:20:59,782 INFO L280 TraceCheckUtils]: 89: Hoare triple {8677#(<= |fibo1_#in~n| 4)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {8677#(<= |fibo1_#in~n| 4)} is VALID [2020-07-17 22:20:59,783 INFO L280 TraceCheckUtils]: 90: Hoare triple {8677#(<= |fibo1_#in~n| 4)} assume true; {8677#(<= |fibo1_#in~n| 4)} is VALID [2020-07-17 22:20:59,784 INFO L275 TraceCheckUtils]: 91: Hoare quadruple {8677#(<= |fibo1_#in~n| 4)} {8135#(<= 5 main_~x~0)} #51#return; {8132#false} is VALID [2020-07-17 22:20:59,784 INFO L280 TraceCheckUtils]: 92: Hoare triple {8132#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {8132#false} is VALID [2020-07-17 22:20:59,784 INFO L280 TraceCheckUtils]: 93: Hoare triple {8132#false} assume 5 == ~result~0; {8132#false} is VALID [2020-07-17 22:20:59,784 INFO L280 TraceCheckUtils]: 94: Hoare triple {8132#false} assume !false; {8132#false} is VALID [2020-07-17 22:20:59,792 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 58 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-07-17 22:20:59,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 22:20:59,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 15 [2020-07-17 22:20:59,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292873005] [2020-07-17 22:20:59,793 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 95 [2020-07-17 22:20:59,798 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:20:59,798 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states. [2020-07-17 22:20:59,905 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 94 edges. 94 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:20:59,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-17 22:20:59,906 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:20:59,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-17 22:20:59,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-07-17 22:20:59,906 INFO L87 Difference]: Start difference. First operand 92 states and 115 transitions. Second operand 15 states. [2020-07-17 22:21:01,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:21:01,364 INFO L93 Difference]: Finished difference Result 178 states and 229 transitions. [2020-07-17 22:21:01,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-17 22:21:01,364 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 95 [2020-07-17 22:21:01,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:21:01,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-17 22:21:01,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 120 transitions. [2020-07-17 22:21:01,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-17 22:21:01,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 120 transitions. [2020-07-17 22:21:01,372 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 20 states and 120 transitions. [2020-07-17 22:21:01,536 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 120 edges. 120 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:21:01,539 INFO L225 Difference]: With dead ends: 178 [2020-07-17 22:21:01,539 INFO L226 Difference]: Without dead ends: 99 [2020-07-17 22:21:01,540 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=499, Unknown=0, NotChecked=0, Total=600 [2020-07-17 22:21:01,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-07-17 22:21:01,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 95. [2020-07-17 22:21:01,614 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:21:01,614 INFO L82 GeneralOperation]: Start isEquivalent. First operand 99 states. Second operand 95 states. [2020-07-17 22:21:01,615 INFO L74 IsIncluded]: Start isIncluded. First operand 99 states. Second operand 95 states. [2020-07-17 22:21:01,615 INFO L87 Difference]: Start difference. First operand 99 states. Second operand 95 states. [2020-07-17 22:21:01,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:21:01,618 INFO L93 Difference]: Finished difference Result 99 states and 120 transitions. [2020-07-17 22:21:01,618 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 120 transitions. [2020-07-17 22:21:01,619 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:21:01,619 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:21:01,619 INFO L74 IsIncluded]: Start isIncluded. First operand 95 states. Second operand 99 states. [2020-07-17 22:21:01,620 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 99 states. [2020-07-17 22:21:01,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:21:01,624 INFO L93 Difference]: Finished difference Result 99 states and 120 transitions. [2020-07-17 22:21:01,624 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 120 transitions. [2020-07-17 22:21:01,625 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:21:01,625 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:21:01,625 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:21:01,625 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:21:01,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-07-17 22:21:01,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 116 transitions. [2020-07-17 22:21:01,630 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 116 transitions. Word has length 95 [2020-07-17 22:21:01,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:21:01,631 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 116 transitions. [2020-07-17 22:21:01,631 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-17 22:21:01,631 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 116 transitions. [2020-07-17 22:21:01,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-07-17 22:21:01,634 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:21:01,634 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:21:01,848 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:21:01,849 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:21:01,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:21:01,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1540036056, now seen corresponding path program 3 times [2020-07-17 22:21:01,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:21:01,850 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182140145] [2020-07-17 22:21:01,850 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:21:01,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 22:21:01,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 22:21:01,912 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-17 22:21:01,913 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 22:21:01,913 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-17 22:21:01,995 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-17 22:21:01,995 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 22:21:01,995 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 22:21:01,995 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-17 22:21:01,995 WARN L170 areAnnotationChecker]: fibo2ENTRY has no Hoare annotation [2020-07-17 22:21:01,995 WARN L170 areAnnotationChecker]: fibo1ENTRY has no Hoare annotation [2020-07-17 22:21:01,996 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-17 22:21:01,996 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 22:21:01,996 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 22:21:01,996 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-17 22:21:01,996 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-17 22:21:01,996 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2020-07-17 22:21:01,996 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2020-07-17 22:21:01,996 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-17 22:21:01,996 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-17 22:21:01,996 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 22:21:01,996 WARN L170 areAnnotationChecker]: L37-1 has no Hoare annotation [2020-07-17 22:21:01,996 WARN L170 areAnnotationChecker]: fibo2FINAL has no Hoare annotation [2020-07-17 22:21:01,996 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2020-07-17 22:21:01,996 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2020-07-17 22:21:01,997 WARN L170 areAnnotationChecker]: fibo1FINAL has no Hoare annotation [2020-07-17 22:21:01,997 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2020-07-17 22:21:01,997 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2020-07-17 22:21:01,997 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-17 22:21:01,997 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-17 22:21:01,997 WARN L170 areAnnotationChecker]: fibo2EXIT has no Hoare annotation [2020-07-17 22:21:01,997 WARN L170 areAnnotationChecker]: fibo2EXIT has no Hoare annotation [2020-07-17 22:21:01,997 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-17 22:21:01,997 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-17 22:21:01,997 WARN L170 areAnnotationChecker]: fibo1EXIT has no Hoare annotation [2020-07-17 22:21:01,997 WARN L170 areAnnotationChecker]: fibo1EXIT has no Hoare annotation [2020-07-17 22:21:01,997 WARN L170 areAnnotationChecker]: fibo1EXIT has no Hoare annotation [2020-07-17 22:21:01,997 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-17 22:21:01,997 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-17 22:21:01,997 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-17 22:21:01,998 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-17 22:21:01,998 WARN L170 areAnnotationChecker]: L38-2 has no Hoare annotation [2020-07-17 22:21:01,998 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-17 22:21:01,998 WARN L170 areAnnotationChecker]: L13-3 has no Hoare annotation [2020-07-17 22:21:01,998 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2020-07-17 22:21:01,998 WARN L170 areAnnotationChecker]: L23-3 has no Hoare annotation [2020-07-17 22:21:01,998 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-17 22:21:01,998 WARN L170 areAnnotationChecker]: L13-2 has no Hoare annotation [2020-07-17 22:21:01,998 WARN L170 areAnnotationChecker]: L13-2 has no Hoare annotation [2020-07-17 22:21:01,998 WARN L170 areAnnotationChecker]: L23-2 has no Hoare annotation [2020-07-17 22:21:01,998 WARN L170 areAnnotationChecker]: L23-2 has no Hoare annotation [2020-07-17 22:21:01,998 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-17 22:21:01,998 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 22:21:02,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 10:21:02 BoogieIcfgContainer [2020-07-17 22:21:02,001 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 22:21:02,004 INFO L168 Benchmark]: Toolchain (without parser) took 28409.33 ms. Allocated memory was 145.8 MB in the beginning and 452.5 MB in the end (delta: 306.7 MB). Free memory was 104.5 MB in the beginning and 167.4 MB in the end (delta: -62.9 MB). Peak memory consumption was 243.8 MB. Max. memory is 7.1 GB. [2020-07-17 22:21:02,004 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 145.8 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-07-17 22:21:02,005 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.06 ms. Allocated memory is still 145.8 MB. Free memory was 104.1 MB in the beginning and 94.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2020-07-17 22:21:02,006 INFO L168 Benchmark]: Boogie Preprocessor took 133.55 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 94.3 MB in the beginning and 182.7 MB in the end (delta: -88.3 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2020-07-17 22:21:02,006 INFO L168 Benchmark]: RCFGBuilder took 409.60 ms. Allocated memory is still 203.9 MB. Free memory was 182.7 MB in the beginning and 163.5 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. [2020-07-17 22:21:02,007 INFO L168 Benchmark]: TraceAbstraction took 27564.03 ms. Allocated memory was 203.9 MB in the beginning and 452.5 MB in the end (delta: 248.5 MB). Free memory was 162.9 MB in the beginning and 167.4 MB in the end (delta: -4.5 MB). Peak memory consumption was 244.0 MB. Max. memory is 7.1 GB. [2020-07-17 22:21:02,009 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 0.24 ms. Allocated memory is still 145.8 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 295.06 ms. Allocated memory is still 145.8 MB. Free memory was 104.1 MB in the beginning and 94.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 133.55 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 94.3 MB in the beginning and 182.7 MB in the end (delta: -88.3 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 409.60 ms. Allocated memory is still 203.9 MB. Free memory was 182.7 MB in the beginning and 163.5 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27564.03 ms. Allocated memory was 203.9 MB in the beginning and 452.5 MB in the end (delta: 248.5 MB). Free memory was 162.9 MB in the beginning and 167.4 MB in the end (delta: -4.5 MB). Peak memory consumption was 244.0 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 = 5; VAL [x=5] [L37] CALL, EXPR fibo1(x) VAL [\old(n)=5] [L8] COND FALSE !(n < 1) VAL [\old(n)=5, n=5] [L10] COND FALSE !(n == 1) VAL [\old(n)=5, n=5] [L13] CALL, EXPR fibo2(n-1) VAL [\old(n)=4] [L18] COND FALSE !(n < 1) VAL [\old(n)=4, n=4] [L20] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L23] CALL, EXPR fibo1(n-1) VAL [\old(n)=3] [L8] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L10] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L13] CALL, EXPR fibo2(n-1) VAL [\old(n)=2] [L18] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L20] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L23] CALL, EXPR fibo1(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [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-1) VAL [\old(n)=5, fibo2(n-1)=3, n=5] [L13] CALL, EXPR fibo2(n-2) VAL [\old(n)=3] [L18] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L20] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L23] CALL, EXPR fibo1(n-1) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo2(n-1) VAL [\old(n)=1] [L18] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L20] COND TRUE n == 1 [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-2) VAL [\old(n)=5, fibo2(n-1)=3, fibo2(n-2)=2, n=5] [L13] return fibo2(n-1) + fibo2(n-2); [L37] RET, EXPR fibo1(x) VAL [fibo1(x)=5, x=5] [L37] int result = fibo1(x); [L38] COND TRUE result == 5 VAL [result=5, x=5] [L39] __VERIFIER_error() VAL [result=5, x=5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 27.4s, OverallIterations: 12, TraceHistogramMax: 11, AutomataDifference: 16.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 330 SDtfs, 520 SDslu, 2064 SDs, 0 SdLazy, 3008 SolverSat, 504 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1064 GetRequests, 864 SyntacticMatches, 0 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 740 ImplicationChecksByTransitivity, 2.7s 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: 0.9s AutomataMinimizationTime, 11 MinimizatonAttempts, 139 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 1464 NumberOfCodeBlocks, 1464 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 1335 ConstructedInterpolants, 0 QuantifiedInterpolants, 207625 SizeOfPredicates, 38 NumberOfNonLiveVariables, 1493 ConjunctsInSsa, 76 ConjunctsInUnsatCore, 20 InterpolantComputations, 2 PerfectInterpolantSequences, 2195/2908 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...