/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/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_5-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 15:56:24,003 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 15:56:24,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 15:56:24,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 15:56:24,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 15:56:24,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 15:56:24,027 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 15:56:24,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 15:56:24,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 15:56:24,043 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 15:56:24,045 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 15:56:24,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 15:56:24,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 15:56:24,049 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 15:56:24,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 15:56:24,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 15:56:24,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 15:56:24,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 15:56:24,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 15:56:24,060 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 15:56:24,064 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 15:56:24,068 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 15:56:24,068 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 15:56:24,069 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 15:56:24,072 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-08 15:56:24,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 15:56:24,081 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 15:56:24,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 15:56:24,083 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-08 15:56:24,105 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 15:56:24,106 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 15:56:24,107 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 15:56:24,107 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 15:56:24,107 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 15:56:24,110 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 15:56:24,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 15:56:24,111 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 15:56:24,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 15:56:24,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 15:56:24,111 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 15:56:24,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 15:56:24,112 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 15:56:24,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 15:56:24,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 15:56:24,112 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 15:56:24,112 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 15:56:24,112 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 15:56:24,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 15:56:24,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 15:56:24,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 15:56:24,113 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 15:56:24,117 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-08 15:56:24,380 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 15:56:24,392 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 15:56:24,395 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 15:56:24,396 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 15:56:24,397 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 15:56:24,397 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_5-2.c [2020-07-08 15:56:24,463 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6c510c81/faa7d1a9625946199fb7bdf5c93254a4/FLAGe0f92c4fa [2020-07-08 15:56:24,840 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 15:56:24,841 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/fibo_5-2.c [2020-07-08 15:56:24,848 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6c510c81/faa7d1a9625946199fb7bdf5c93254a4/FLAGe0f92c4fa [2020-07-08 15:56:25,218 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6c510c81/faa7d1a9625946199fb7bdf5c93254a4 [2020-07-08 15:56:25,226 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 15:56:25,228 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 15:56:25,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 15:56:25,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 15:56:25,238 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 15:56:25,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 03:56:25" (1/1) ... [2020-07-08 15:56:25,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52b27dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:56:25, skipping insertion in model container [2020-07-08 15:56:25,244 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 03:56:25" (1/1) ... [2020-07-08 15:56:25,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 15:56:25,271 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 15:56:25,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 15:56:25,423 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 15:56:25,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 15:56:25,453 INFO L208 MainTranslator]: Completed translation [2020-07-08 15:56:25,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:56:25 WrapperNode [2020-07-08 15:56:25,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 15:56:25,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 15:56:25,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 15:56:25,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 15:56:25,468 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:56:25" (1/1) ... [2020-07-08 15:56:25,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:56:25" (1/1) ... [2020-07-08 15:56:25,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:56:25" (1/1) ... [2020-07-08 15:56:25,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:56:25" (1/1) ... [2020-07-08 15:56:25,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:56:25" (1/1) ... [2020-07-08 15:56:25,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:56:25" (1/1) ... [2020-07-08 15:56:25,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:56:25" (1/1) ... [2020-07-08 15:56:25,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 15:56:25,482 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 15:56:25,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 15:56:25,483 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 15:56:25,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:56:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 15:56:25,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 15:56:25,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 15:56:25,623 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2020-07-08 15:56:25,623 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 15:56:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-08 15:56:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 15:56:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2020-07-08 15:56:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 15:56:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 15:56:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 15:56:25,925 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 15:56:25,926 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-08 15:56:25,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 03:56:25 BoogieIcfgContainer [2020-07-08 15:56:25,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 15:56:25,932 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 15:56:25,932 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 15:56:25,937 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 15:56:25,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 03:56:25" (1/3) ... [2020-07-08 15:56:25,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ce547c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 03:56:25, skipping insertion in model container [2020-07-08 15:56:25,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:56:25" (2/3) ... [2020-07-08 15:56:25,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ce547c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 03:56:25, skipping insertion in model container [2020-07-08 15:56:25,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 03:56:25" (3/3) ... [2020-07-08 15:56:25,942 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_5-2.c [2020-07-08 15:56:25,949 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 15:56:25,955 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 15:56:25,969 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 15:56:25,994 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 15:56:25,994 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 15:56:25,994 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-08 15:56:25,995 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 15:56:25,995 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 15:56:25,996 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 15:56:25,996 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 15:56:25,996 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 15:56:26,013 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2020-07-08 15:56:26,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-08 15:56:26,029 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 15:56:26,030 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 15:56:26,030 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 15:56:26,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 15:56:26,036 INFO L82 PathProgramCache]: Analyzing trace with hash -1756383024, now seen corresponding path program 1 times [2020-07-08 15:56:26,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 15:56:26,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1626614503] [2020-07-08 15:56:26,045 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 15:56:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:26,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:26,226 INFO L280 TraceCheckUtils]: 0: Hoare triple {34#true} assume true; {34#true} is VALID [2020-07-08 15:56:26,227 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {34#true} {34#true} #40#return; {34#true} is VALID [2020-07-08 15:56:26,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:26,288 INFO L280 TraceCheckUtils]: 0: Hoare triple {34#true} ~n := #in~n; {44#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:26,289 INFO L280 TraceCheckUtils]: 1: Hoare triple {44#(= fibo_~n |fibo_#in~n|)} assume ~n < 1; {45#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 15:56:26,291 INFO L280 TraceCheckUtils]: 2: Hoare triple {45#(<= |fibo_#in~n| 0)} #res := 0; {45#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 15:56:26,292 INFO L280 TraceCheckUtils]: 3: Hoare triple {45#(<= |fibo_#in~n| 0)} assume true; {45#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 15:56:26,295 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {45#(<= |fibo_#in~n| 0)} {38#(<= 5 main_~x~0)} #44#return; {35#false} is VALID [2020-07-08 15:56:26,295 INFO L263 TraceCheckUtils]: 0: Hoare triple {34#true} call ULTIMATE.init(); {34#true} is VALID [2020-07-08 15:56:26,296 INFO L280 TraceCheckUtils]: 1: Hoare triple {34#true} assume true; {34#true} is VALID [2020-07-08 15:56:26,296 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {34#true} {34#true} #40#return; {34#true} is VALID [2020-07-08 15:56:26,297 INFO L263 TraceCheckUtils]: 3: Hoare triple {34#true} call #t~ret3 := main(); {34#true} is VALID [2020-07-08 15:56:26,298 INFO L280 TraceCheckUtils]: 4: Hoare triple {34#true} ~x~0 := 5; {38#(<= 5 main_~x~0)} is VALID [2020-07-08 15:56:26,298 INFO L263 TraceCheckUtils]: 5: Hoare triple {38#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {34#true} is VALID [2020-07-08 15:56:26,300 INFO L280 TraceCheckUtils]: 6: Hoare triple {34#true} ~n := #in~n; {44#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:26,302 INFO L280 TraceCheckUtils]: 7: Hoare triple {44#(= fibo_~n |fibo_#in~n|)} assume ~n < 1; {45#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 15:56:26,304 INFO L280 TraceCheckUtils]: 8: Hoare triple {45#(<= |fibo_#in~n| 0)} #res := 0; {45#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 15:56:26,306 INFO L280 TraceCheckUtils]: 9: Hoare triple {45#(<= |fibo_#in~n| 0)} assume true; {45#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 15:56:26,309 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {45#(<= |fibo_#in~n| 0)} {38#(<= 5 main_~x~0)} #44#return; {35#false} is VALID [2020-07-08 15:56:26,309 INFO L280 TraceCheckUtils]: 11: Hoare triple {35#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {35#false} is VALID [2020-07-08 15:56:26,310 INFO L280 TraceCheckUtils]: 12: Hoare triple {35#false} ~result~0 := #t~ret2; {35#false} is VALID [2020-07-08 15:56:26,310 INFO L280 TraceCheckUtils]: 13: Hoare triple {35#false} havoc #t~ret2; {35#false} is VALID [2020-07-08 15:56:26,310 INFO L280 TraceCheckUtils]: 14: Hoare triple {35#false} assume 5 == ~result~0; {35#false} is VALID [2020-07-08 15:56:26,311 INFO L280 TraceCheckUtils]: 15: Hoare triple {35#false} assume !false; {35#false} is VALID [2020-07-08 15:56:26,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 15:56:26,313 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 15:56:26,315 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1626614503] [2020-07-08 15:56:26,317 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 15:56:26,318 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-08 15:56:26,318 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697390972] [2020-07-08 15:56:26,323 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-07-08 15:56:26,325 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 15:56:26,328 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-08 15:56:26,368 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:56:26,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-08 15:56:26,369 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 15:56:26,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-08 15:56:26,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-08 15:56:26,381 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 5 states. [2020-07-08 15:56:26,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:56:26,664 INFO L93 Difference]: Finished difference Result 44 states and 50 transitions. [2020-07-08 15:56:26,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-08 15:56:26,664 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-07-08 15:56:26,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 15:56:26,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-08 15:56:26,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 50 transitions. [2020-07-08 15:56:26,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-08 15:56:26,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 50 transitions. [2020-07-08 15:56:26,682 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 50 transitions. [2020-07-08 15:56:26,762 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:56:26,776 INFO L225 Difference]: With dead ends: 44 [2020-07-08 15:56:26,776 INFO L226 Difference]: Without dead ends: 28 [2020-07-08 15:56:26,780 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 [2020-07-08 15:56:26,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-07-08 15:56:26,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-07-08 15:56:26,867 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 15:56:26,868 INFO L82 GeneralOperation]: Start isEquivalent. First operand 28 states. Second operand 28 states. [2020-07-08 15:56:26,869 INFO L74 IsIncluded]: Start isIncluded. First operand 28 states. Second operand 28 states. [2020-07-08 15:56:26,869 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 28 states. [2020-07-08 15:56:26,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:56:26,876 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2020-07-08 15:56:26,876 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-07-08 15:56:26,877 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 15:56:26,877 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 15:56:26,877 INFO L74 IsIncluded]: Start isIncluded. First operand 28 states. Second operand 28 states. [2020-07-08 15:56:26,878 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 28 states. [2020-07-08 15:56:26,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:56:26,883 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2020-07-08 15:56:26,883 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-07-08 15:56:26,884 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 15:56:26,884 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 15:56:26,884 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 15:56:26,885 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 15:56:26,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-07-08 15:56:26,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2020-07-08 15:56:26,890 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 16 [2020-07-08 15:56:26,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 15:56:26,891 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2020-07-08 15:56:26,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-08 15:56:26,891 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 28 states and 32 transitions. [2020-07-08 15:56:26,936 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:56:26,936 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-07-08 15:56:26,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-08 15:56:26,938 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 15:56:26,938 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 15:56:26,938 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 15:56:26,939 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 15:56:26,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 15:56:26,939 INFO L82 PathProgramCache]: Analyzing trace with hash -389703589, now seen corresponding path program 1 times [2020-07-08 15:56:26,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 15:56:26,940 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2137641716] [2020-07-08 15:56:26,940 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 15:56:26,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:26,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:26,990 INFO L280 TraceCheckUtils]: 0: Hoare triple {250#true} assume true; {250#true} is VALID [2020-07-08 15:56:26,991 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {250#true} {250#true} #40#return; {250#true} is VALID [2020-07-08 15:56:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:27,029 INFO L280 TraceCheckUtils]: 0: Hoare triple {250#true} ~n := #in~n; {261#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:27,030 INFO L280 TraceCheckUtils]: 1: Hoare triple {261#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {261#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:27,031 INFO L280 TraceCheckUtils]: 2: Hoare triple {261#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {262#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:27,032 INFO L280 TraceCheckUtils]: 3: Hoare triple {262#(<= |fibo_#in~n| 1)} #res := 1; {262#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:27,032 INFO L280 TraceCheckUtils]: 4: Hoare triple {262#(<= |fibo_#in~n| 1)} assume true; {262#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:27,034 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {262#(<= |fibo_#in~n| 1)} {254#(<= 5 main_~x~0)} #44#return; {251#false} is VALID [2020-07-08 15:56:27,034 INFO L263 TraceCheckUtils]: 0: Hoare triple {250#true} call ULTIMATE.init(); {250#true} is VALID [2020-07-08 15:56:27,035 INFO L280 TraceCheckUtils]: 1: Hoare triple {250#true} assume true; {250#true} is VALID [2020-07-08 15:56:27,035 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {250#true} {250#true} #40#return; {250#true} is VALID [2020-07-08 15:56:27,035 INFO L263 TraceCheckUtils]: 3: Hoare triple {250#true} call #t~ret3 := main(); {250#true} is VALID [2020-07-08 15:56:27,036 INFO L280 TraceCheckUtils]: 4: Hoare triple {250#true} ~x~0 := 5; {254#(<= 5 main_~x~0)} is VALID [2020-07-08 15:56:27,037 INFO L263 TraceCheckUtils]: 5: Hoare triple {254#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {250#true} is VALID [2020-07-08 15:56:27,037 INFO L280 TraceCheckUtils]: 6: Hoare triple {250#true} ~n := #in~n; {261#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:27,038 INFO L280 TraceCheckUtils]: 7: Hoare triple {261#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {261#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:27,039 INFO L280 TraceCheckUtils]: 8: Hoare triple {261#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {262#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:27,040 INFO L280 TraceCheckUtils]: 9: Hoare triple {262#(<= |fibo_#in~n| 1)} #res := 1; {262#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:27,041 INFO L280 TraceCheckUtils]: 10: Hoare triple {262#(<= |fibo_#in~n| 1)} assume true; {262#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:27,042 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {262#(<= |fibo_#in~n| 1)} {254#(<= 5 main_~x~0)} #44#return; {251#false} is VALID [2020-07-08 15:56:27,043 INFO L280 TraceCheckUtils]: 12: Hoare triple {251#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {251#false} is VALID [2020-07-08 15:56:27,043 INFO L280 TraceCheckUtils]: 13: Hoare triple {251#false} ~result~0 := #t~ret2; {251#false} is VALID [2020-07-08 15:56:27,043 INFO L280 TraceCheckUtils]: 14: Hoare triple {251#false} havoc #t~ret2; {251#false} is VALID [2020-07-08 15:56:27,044 INFO L280 TraceCheckUtils]: 15: Hoare triple {251#false} assume 5 == ~result~0; {251#false} is VALID [2020-07-08 15:56:27,044 INFO L280 TraceCheckUtils]: 16: Hoare triple {251#false} assume !false; {251#false} is VALID [2020-07-08 15:56:27,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 15:56:27,045 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 15:56:27,045 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2137641716] [2020-07-08 15:56:27,046 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 15:56:27,046 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-08 15:56:27,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78235723] [2020-07-08 15:56:27,047 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-07-08 15:56:27,047 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 15:56:27,048 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-08 15:56:27,069 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:56:27,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-08 15:56:27,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 15:56:27,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-08 15:56:27,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-08 15:56:27,070 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 5 states. [2020-07-08 15:56:27,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:56:27,246 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions. [2020-07-08 15:56:27,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-08 15:56:27,246 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-07-08 15:56:27,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 15:56:27,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-08 15:56:27,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 38 transitions. [2020-07-08 15:56:27,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-08 15:56:27,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 38 transitions. [2020-07-08 15:56:27,253 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 38 transitions. [2020-07-08 15:56:27,298 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:56:27,300 INFO L225 Difference]: With dead ends: 36 [2020-07-08 15:56:27,301 INFO L226 Difference]: Without dead ends: 30 [2020-07-08 15:56:27,302 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 [2020-07-08 15:56:27,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-07-08 15:56:27,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2020-07-08 15:56:27,336 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 15:56:27,337 INFO L82 GeneralOperation]: Start isEquivalent. First operand 30 states. Second operand 28 states. [2020-07-08 15:56:27,337 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand 28 states. [2020-07-08 15:56:27,337 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 28 states. [2020-07-08 15:56:27,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:56:27,341 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2020-07-08 15:56:27,341 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2020-07-08 15:56:27,342 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 15:56:27,343 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 15:56:27,343 INFO L74 IsIncluded]: Start isIncluded. First operand 28 states. Second operand 30 states. [2020-07-08 15:56:27,343 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 30 states. [2020-07-08 15:56:27,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:56:27,347 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2020-07-08 15:56:27,347 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2020-07-08 15:56:27,348 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 15:56:27,348 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 15:56:27,348 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 15:56:27,349 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 15:56:27,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-07-08 15:56:27,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2020-07-08 15:56:27,352 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 17 [2020-07-08 15:56:27,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 15:56:27,352 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2020-07-08 15:56:27,352 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-08 15:56:27,352 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 28 states and 32 transitions. [2020-07-08 15:56:27,395 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:56:27,396 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-07-08 15:56:27,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-08 15:56:27,397 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 15:56:27,398 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-07-08 15:56:27,398 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 15:56:27,398 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 15:56:27,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 15:56:27,399 INFO L82 PathProgramCache]: Analyzing trace with hash 50309368, now seen corresponding path program 1 times [2020-07-08 15:56:27,399 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 15:56:27,399 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1488726971] [2020-07-08 15:56:27,399 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 15:56:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:27,466 INFO L280 TraceCheckUtils]: 0: Hoare triple {455#true} assume true; {455#true} is VALID [2020-07-08 15:56:27,467 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {455#true} {455#true} #40#return; {455#true} is VALID [2020-07-08 15:56:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:27,573 INFO L280 TraceCheckUtils]: 0: Hoare triple {455#true} ~n := #in~n; {494#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:27,574 INFO L280 TraceCheckUtils]: 1: Hoare triple {494#(= fibo_~n |fibo_#in~n|)} assume ~n < 1; {495#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 15:56:27,575 INFO L280 TraceCheckUtils]: 2: Hoare triple {495#(<= |fibo_#in~n| 0)} #res := 0; {495#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 15:56:27,576 INFO L280 TraceCheckUtils]: 3: Hoare triple {495#(<= |fibo_#in~n| 0)} assume true; {495#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 15:56:27,578 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {495#(<= |fibo_#in~n| 0)} {483#(< 1 fibo_~n)} #46#return; {456#false} is VALID [2020-07-08 15:56:27,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:27,595 INFO L280 TraceCheckUtils]: 0: Hoare triple {455#true} ~n := #in~n; {455#true} is VALID [2020-07-08 15:56:27,595 INFO L280 TraceCheckUtils]: 1: Hoare triple {455#true} assume ~n < 1; {455#true} is VALID [2020-07-08 15:56:27,595 INFO L280 TraceCheckUtils]: 2: Hoare triple {455#true} #res := 0; {455#true} is VALID [2020-07-08 15:56:27,596 INFO L280 TraceCheckUtils]: 3: Hoare triple {455#true} assume true; {455#true} is VALID [2020-07-08 15:56:27,596 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {455#true} {456#false} #48#return; {456#false} is VALID [2020-07-08 15:56:27,596 INFO L280 TraceCheckUtils]: 0: Hoare triple {455#true} ~n := #in~n; {455#true} is VALID [2020-07-08 15:56:27,597 INFO L280 TraceCheckUtils]: 1: Hoare triple {455#true} assume !(~n < 1); {482#(< 0 fibo_~n)} is VALID [2020-07-08 15:56:27,600 INFO L280 TraceCheckUtils]: 2: Hoare triple {482#(< 0 fibo_~n)} assume !(1 == ~n); {483#(< 1 fibo_~n)} is VALID [2020-07-08 15:56:27,600 INFO L263 TraceCheckUtils]: 3: Hoare triple {483#(< 1 fibo_~n)} call #t~ret0 := fibo(~n - 1); {455#true} is VALID [2020-07-08 15:56:27,601 INFO L280 TraceCheckUtils]: 4: Hoare triple {455#true} ~n := #in~n; {494#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:27,602 INFO L280 TraceCheckUtils]: 5: Hoare triple {494#(= fibo_~n |fibo_#in~n|)} assume ~n < 1; {495#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 15:56:27,602 INFO L280 TraceCheckUtils]: 6: Hoare triple {495#(<= |fibo_#in~n| 0)} #res := 0; {495#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 15:56:27,603 INFO L280 TraceCheckUtils]: 7: Hoare triple {495#(<= |fibo_#in~n| 0)} assume true; {495#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 15:56:27,604 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {495#(<= |fibo_#in~n| 0)} {483#(< 1 fibo_~n)} #46#return; {456#false} is VALID [2020-07-08 15:56:27,604 INFO L280 TraceCheckUtils]: 9: Hoare triple {456#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {456#false} is VALID [2020-07-08 15:56:27,605 INFO L263 TraceCheckUtils]: 10: Hoare triple {456#false} call #t~ret1 := fibo(~n - 2); {455#true} is VALID [2020-07-08 15:56:27,605 INFO L280 TraceCheckUtils]: 11: Hoare triple {455#true} ~n := #in~n; {455#true} is VALID [2020-07-08 15:56:27,605 INFO L280 TraceCheckUtils]: 12: Hoare triple {455#true} assume ~n < 1; {455#true} is VALID [2020-07-08 15:56:27,606 INFO L280 TraceCheckUtils]: 13: Hoare triple {455#true} #res := 0; {455#true} is VALID [2020-07-08 15:56:27,606 INFO L280 TraceCheckUtils]: 14: Hoare triple {455#true} assume true; {455#true} is VALID [2020-07-08 15:56:27,607 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {455#true} {456#false} #48#return; {456#false} is VALID [2020-07-08 15:56:27,607 INFO L280 TraceCheckUtils]: 16: Hoare triple {456#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {456#false} is VALID [2020-07-08 15:56:27,607 INFO L280 TraceCheckUtils]: 17: Hoare triple {456#false} #res := #t~ret0 + #t~ret1; {456#false} is VALID [2020-07-08 15:56:27,608 INFO L280 TraceCheckUtils]: 18: Hoare triple {456#false} havoc #t~ret1; {456#false} is VALID [2020-07-08 15:56:27,608 INFO L280 TraceCheckUtils]: 19: Hoare triple {456#false} havoc #t~ret0; {456#false} is VALID [2020-07-08 15:56:27,609 INFO L280 TraceCheckUtils]: 20: Hoare triple {456#false} assume true; {456#false} is VALID [2020-07-08 15:56:27,609 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {456#false} {459#(<= 5 main_~x~0)} #44#return; {456#false} is VALID [2020-07-08 15:56:27,611 INFO L263 TraceCheckUtils]: 0: Hoare triple {455#true} call ULTIMATE.init(); {455#true} is VALID [2020-07-08 15:56:27,611 INFO L280 TraceCheckUtils]: 1: Hoare triple {455#true} assume true; {455#true} is VALID [2020-07-08 15:56:27,611 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {455#true} {455#true} #40#return; {455#true} is VALID [2020-07-08 15:56:27,612 INFO L263 TraceCheckUtils]: 3: Hoare triple {455#true} call #t~ret3 := main(); {455#true} is VALID [2020-07-08 15:56:27,615 INFO L280 TraceCheckUtils]: 4: Hoare triple {455#true} ~x~0 := 5; {459#(<= 5 main_~x~0)} is VALID [2020-07-08 15:56:27,616 INFO L263 TraceCheckUtils]: 5: Hoare triple {459#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {455#true} is VALID [2020-07-08 15:56:27,616 INFO L280 TraceCheckUtils]: 6: Hoare triple {455#true} ~n := #in~n; {455#true} is VALID [2020-07-08 15:56:27,617 INFO L280 TraceCheckUtils]: 7: Hoare triple {455#true} assume !(~n < 1); {482#(< 0 fibo_~n)} is VALID [2020-07-08 15:56:27,619 INFO L280 TraceCheckUtils]: 8: Hoare triple {482#(< 0 fibo_~n)} assume !(1 == ~n); {483#(< 1 fibo_~n)} is VALID [2020-07-08 15:56:27,619 INFO L263 TraceCheckUtils]: 9: Hoare triple {483#(< 1 fibo_~n)} call #t~ret0 := fibo(~n - 1); {455#true} is VALID [2020-07-08 15:56:27,621 INFO L280 TraceCheckUtils]: 10: Hoare triple {455#true} ~n := #in~n; {494#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:27,623 INFO L280 TraceCheckUtils]: 11: Hoare triple {494#(= fibo_~n |fibo_#in~n|)} assume ~n < 1; {495#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 15:56:27,625 INFO L280 TraceCheckUtils]: 12: Hoare triple {495#(<= |fibo_#in~n| 0)} #res := 0; {495#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 15:56:27,626 INFO L280 TraceCheckUtils]: 13: Hoare triple {495#(<= |fibo_#in~n| 0)} assume true; {495#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 15:56:27,628 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {495#(<= |fibo_#in~n| 0)} {483#(< 1 fibo_~n)} #46#return; {456#false} is VALID [2020-07-08 15:56:27,628 INFO L280 TraceCheckUtils]: 15: Hoare triple {456#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {456#false} is VALID [2020-07-08 15:56:27,629 INFO L263 TraceCheckUtils]: 16: Hoare triple {456#false} call #t~ret1 := fibo(~n - 2); {455#true} is VALID [2020-07-08 15:56:27,629 INFO L280 TraceCheckUtils]: 17: Hoare triple {455#true} ~n := #in~n; {455#true} is VALID [2020-07-08 15:56:27,629 INFO L280 TraceCheckUtils]: 18: Hoare triple {455#true} assume ~n < 1; {455#true} is VALID [2020-07-08 15:56:27,630 INFO L280 TraceCheckUtils]: 19: Hoare triple {455#true} #res := 0; {455#true} is VALID [2020-07-08 15:56:27,630 INFO L280 TraceCheckUtils]: 20: Hoare triple {455#true} assume true; {455#true} is VALID [2020-07-08 15:56:27,630 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {455#true} {456#false} #48#return; {456#false} is VALID [2020-07-08 15:56:27,631 INFO L280 TraceCheckUtils]: 22: Hoare triple {456#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {456#false} is VALID [2020-07-08 15:56:27,631 INFO L280 TraceCheckUtils]: 23: Hoare triple {456#false} #res := #t~ret0 + #t~ret1; {456#false} is VALID [2020-07-08 15:56:27,631 INFO L280 TraceCheckUtils]: 24: Hoare triple {456#false} havoc #t~ret1; {456#false} is VALID [2020-07-08 15:56:27,632 INFO L280 TraceCheckUtils]: 25: Hoare triple {456#false} havoc #t~ret0; {456#false} is VALID [2020-07-08 15:56:27,632 INFO L280 TraceCheckUtils]: 26: Hoare triple {456#false} assume true; {456#false} is VALID [2020-07-08 15:56:27,632 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {456#false} {459#(<= 5 main_~x~0)} #44#return; {456#false} is VALID [2020-07-08 15:56:27,633 INFO L280 TraceCheckUtils]: 28: Hoare triple {456#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {456#false} is VALID [2020-07-08 15:56:27,633 INFO L280 TraceCheckUtils]: 29: Hoare triple {456#false} ~result~0 := #t~ret2; {456#false} is VALID [2020-07-08 15:56:27,633 INFO L280 TraceCheckUtils]: 30: Hoare triple {456#false} havoc #t~ret2; {456#false} is VALID [2020-07-08 15:56:27,634 INFO L280 TraceCheckUtils]: 31: Hoare triple {456#false} assume 5 == ~result~0; {456#false} is VALID [2020-07-08 15:56:27,634 INFO L280 TraceCheckUtils]: 32: Hoare triple {456#false} assume !false; {456#false} is VALID [2020-07-08 15:56:27,637 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-08 15:56:27,637 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 15:56:27,637 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1488726971] [2020-07-08 15:56:27,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 15:56:27,638 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-08 15:56:27,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178280514] [2020-07-08 15:56:27,639 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-07-08 15:56:27,639 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 15:56:27,639 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-08 15:56:27,679 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:56:27,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-08 15:56:27,680 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 15:56:27,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-08 15:56:27,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-08 15:56:27,681 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 7 states. [2020-07-08 15:56:28,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:56:28,017 INFO L93 Difference]: Finished difference Result 52 states and 63 transitions. [2020-07-08 15:56:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-08 15:56:28,017 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-07-08 15:56:28,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 15:56:28,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 15:56:28,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 60 transitions. [2020-07-08 15:56:28,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 15:56:28,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 60 transitions. [2020-07-08 15:56:28,032 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 60 transitions. [2020-07-08 15:56:28,115 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:56:28,117 INFO L225 Difference]: With dead ends: 52 [2020-07-08 15:56:28,117 INFO L226 Difference]: Without dead ends: 30 [2020-07-08 15:56:28,118 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-07-08 15:56:28,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-07-08 15:56:28,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-07-08 15:56:28,163 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 15:56:28,163 INFO L82 GeneralOperation]: Start isEquivalent. First operand 30 states. Second operand 30 states. [2020-07-08 15:56:28,163 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand 30 states. [2020-07-08 15:56:28,163 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 30 states. [2020-07-08 15:56:28,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:56:28,167 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2020-07-08 15:56:28,167 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2020-07-08 15:56:28,168 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 15:56:28,168 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 15:56:28,168 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand 30 states. [2020-07-08 15:56:28,168 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 30 states. [2020-07-08 15:56:28,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:56:28,177 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2020-07-08 15:56:28,178 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2020-07-08 15:56:28,178 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 15:56:28,178 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 15:56:28,179 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 15:56:28,179 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 15:56:28,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-07-08 15:56:28,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2020-07-08 15:56:28,185 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 33 [2020-07-08 15:56:28,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 15:56:28,185 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2020-07-08 15:56:28,185 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-08 15:56:28,185 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 30 states and 34 transitions. [2020-07-08 15:56:28,231 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:56:28,232 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2020-07-08 15:56:28,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-08 15:56:28,233 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 15:56:28,233 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 15:56:28,233 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-08 15:56:28,234 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 15:56:28,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 15:56:28,234 INFO L82 PathProgramCache]: Analyzing trace with hash -643371531, now seen corresponding path program 1 times [2020-07-08 15:56:28,234 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 15:56:28,235 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1388787182] [2020-07-08 15:56:28,235 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 15:56:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:28,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:28,284 INFO L280 TraceCheckUtils]: 0: Hoare triple {730#true} assume true; {730#true} is VALID [2020-07-08 15:56:28,284 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {730#true} {730#true} #40#return; {730#true} is VALID [2020-07-08 15:56:28,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:28,369 INFO L280 TraceCheckUtils]: 0: Hoare triple {730#true} ~n := #in~n; {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:28,369 INFO L280 TraceCheckUtils]: 1: Hoare triple {758#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:28,370 INFO L280 TraceCheckUtils]: 2: Hoare triple {758#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {772#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:28,371 INFO L280 TraceCheckUtils]: 3: Hoare triple {772#(<= |fibo_#in~n| 1)} #res := 1; {772#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:28,372 INFO L280 TraceCheckUtils]: 4: Hoare triple {772#(<= |fibo_#in~n| 1)} assume true; {772#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:28,373 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {772#(<= |fibo_#in~n| 1)} {758#(= fibo_~n |fibo_#in~n|)} #46#return; {765#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 15:56:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:28,381 INFO L280 TraceCheckUtils]: 0: Hoare triple {730#true} ~n := #in~n; {730#true} is VALID [2020-07-08 15:56:28,382 INFO L280 TraceCheckUtils]: 1: Hoare triple {730#true} assume ~n < 1; {730#true} is VALID [2020-07-08 15:56:28,382 INFO L280 TraceCheckUtils]: 2: Hoare triple {730#true} #res := 0; {730#true} is VALID [2020-07-08 15:56:28,382 INFO L280 TraceCheckUtils]: 3: Hoare triple {730#true} assume true; {730#true} is VALID [2020-07-08 15:56:28,384 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {730#true} {765#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} #48#return; {771#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:28,384 INFO L280 TraceCheckUtils]: 0: Hoare triple {730#true} ~n := #in~n; {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:28,385 INFO L280 TraceCheckUtils]: 1: Hoare triple {758#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:28,386 INFO L280 TraceCheckUtils]: 2: Hoare triple {758#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:28,386 INFO L263 TraceCheckUtils]: 3: Hoare triple {758#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {730#true} is VALID [2020-07-08 15:56:28,387 INFO L280 TraceCheckUtils]: 4: Hoare triple {730#true} ~n := #in~n; {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:28,387 INFO L280 TraceCheckUtils]: 5: Hoare triple {758#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:28,388 INFO L280 TraceCheckUtils]: 6: Hoare triple {758#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {772#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:28,389 INFO L280 TraceCheckUtils]: 7: Hoare triple {772#(<= |fibo_#in~n| 1)} #res := 1; {772#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:28,389 INFO L280 TraceCheckUtils]: 8: Hoare triple {772#(<= |fibo_#in~n| 1)} assume true; {772#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:28,391 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {772#(<= |fibo_#in~n| 1)} {758#(= fibo_~n |fibo_#in~n|)} #46#return; {765#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 15:56:28,392 INFO L280 TraceCheckUtils]: 10: Hoare triple {765#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {765#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 15:56:28,392 INFO L263 TraceCheckUtils]: 11: Hoare triple {765#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} call #t~ret1 := fibo(~n - 2); {730#true} is VALID [2020-07-08 15:56:28,392 INFO L280 TraceCheckUtils]: 12: Hoare triple {730#true} ~n := #in~n; {730#true} is VALID [2020-07-08 15:56:28,393 INFO L280 TraceCheckUtils]: 13: Hoare triple {730#true} assume ~n < 1; {730#true} is VALID [2020-07-08 15:56:28,393 INFO L280 TraceCheckUtils]: 14: Hoare triple {730#true} #res := 0; {730#true} is VALID [2020-07-08 15:56:28,393 INFO L280 TraceCheckUtils]: 15: Hoare triple {730#true} assume true; {730#true} is VALID [2020-07-08 15:56:28,394 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {730#true} {765#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} #48#return; {771#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:28,395 INFO L280 TraceCheckUtils]: 17: Hoare triple {771#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {771#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:28,396 INFO L280 TraceCheckUtils]: 18: Hoare triple {771#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {771#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:28,396 INFO L280 TraceCheckUtils]: 19: Hoare triple {771#(<= |fibo_#in~n| 2)} havoc #t~ret1; {771#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:28,397 INFO L280 TraceCheckUtils]: 20: Hoare triple {771#(<= |fibo_#in~n| 2)} havoc #t~ret0; {771#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:28,397 INFO L280 TraceCheckUtils]: 21: Hoare triple {771#(<= |fibo_#in~n| 2)} assume true; {771#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:28,399 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {771#(<= |fibo_#in~n| 2)} {734#(<= 5 main_~x~0)} #44#return; {731#false} is VALID [2020-07-08 15:56:28,401 INFO L263 TraceCheckUtils]: 0: Hoare triple {730#true} call ULTIMATE.init(); {730#true} is VALID [2020-07-08 15:56:28,401 INFO L280 TraceCheckUtils]: 1: Hoare triple {730#true} assume true; {730#true} is VALID [2020-07-08 15:56:28,401 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {730#true} {730#true} #40#return; {730#true} is VALID [2020-07-08 15:56:28,401 INFO L263 TraceCheckUtils]: 3: Hoare triple {730#true} call #t~ret3 := main(); {730#true} is VALID [2020-07-08 15:56:28,402 INFO L280 TraceCheckUtils]: 4: Hoare triple {730#true} ~x~0 := 5; {734#(<= 5 main_~x~0)} is VALID [2020-07-08 15:56:28,402 INFO L263 TraceCheckUtils]: 5: Hoare triple {734#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {730#true} is VALID [2020-07-08 15:56:28,403 INFO L280 TraceCheckUtils]: 6: Hoare triple {730#true} ~n := #in~n; {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:28,404 INFO L280 TraceCheckUtils]: 7: Hoare triple {758#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:28,404 INFO L280 TraceCheckUtils]: 8: Hoare triple {758#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:28,404 INFO L263 TraceCheckUtils]: 9: Hoare triple {758#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {730#true} is VALID [2020-07-08 15:56:28,405 INFO L280 TraceCheckUtils]: 10: Hoare triple {730#true} ~n := #in~n; {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:28,406 INFO L280 TraceCheckUtils]: 11: Hoare triple {758#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:28,406 INFO L280 TraceCheckUtils]: 12: Hoare triple {758#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {772#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:28,407 INFO L280 TraceCheckUtils]: 13: Hoare triple {772#(<= |fibo_#in~n| 1)} #res := 1; {772#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:28,408 INFO L280 TraceCheckUtils]: 14: Hoare triple {772#(<= |fibo_#in~n| 1)} assume true; {772#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:28,409 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {772#(<= |fibo_#in~n| 1)} {758#(= fibo_~n |fibo_#in~n|)} #46#return; {765#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 15:56:28,410 INFO L280 TraceCheckUtils]: 16: Hoare triple {765#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {765#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 15:56:28,410 INFO L263 TraceCheckUtils]: 17: Hoare triple {765#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} call #t~ret1 := fibo(~n - 2); {730#true} is VALID [2020-07-08 15:56:28,411 INFO L280 TraceCheckUtils]: 18: Hoare triple {730#true} ~n := #in~n; {730#true} is VALID [2020-07-08 15:56:28,411 INFO L280 TraceCheckUtils]: 19: Hoare triple {730#true} assume ~n < 1; {730#true} is VALID [2020-07-08 15:56:28,411 INFO L280 TraceCheckUtils]: 20: Hoare triple {730#true} #res := 0; {730#true} is VALID [2020-07-08 15:56:28,411 INFO L280 TraceCheckUtils]: 21: Hoare triple {730#true} assume true; {730#true} is VALID [2020-07-08 15:56:28,413 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {730#true} {765#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} #48#return; {771#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:28,413 INFO L280 TraceCheckUtils]: 23: Hoare triple {771#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {771#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:28,414 INFO L280 TraceCheckUtils]: 24: Hoare triple {771#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {771#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:28,414 INFO L280 TraceCheckUtils]: 25: Hoare triple {771#(<= |fibo_#in~n| 2)} havoc #t~ret1; {771#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:28,415 INFO L280 TraceCheckUtils]: 26: Hoare triple {771#(<= |fibo_#in~n| 2)} havoc #t~ret0; {771#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:28,415 INFO L280 TraceCheckUtils]: 27: Hoare triple {771#(<= |fibo_#in~n| 2)} assume true; {771#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:28,416 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {771#(<= |fibo_#in~n| 2)} {734#(<= 5 main_~x~0)} #44#return; {731#false} is VALID [2020-07-08 15:56:28,417 INFO L280 TraceCheckUtils]: 29: Hoare triple {731#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {731#false} is VALID [2020-07-08 15:56:28,417 INFO L280 TraceCheckUtils]: 30: Hoare triple {731#false} ~result~0 := #t~ret2; {731#false} is VALID [2020-07-08 15:56:28,417 INFO L280 TraceCheckUtils]: 31: Hoare triple {731#false} havoc #t~ret2; {731#false} is VALID [2020-07-08 15:56:28,418 INFO L280 TraceCheckUtils]: 32: Hoare triple {731#false} assume 5 == ~result~0; {731#false} is VALID [2020-07-08 15:56:28,418 INFO L280 TraceCheckUtils]: 33: Hoare triple {731#false} assume !false; {731#false} is VALID [2020-07-08 15:56:28,420 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-08 15:56:28,420 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 15:56:28,420 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1388787182] [2020-07-08 15:56:28,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 15:56:28,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-08 15:56:28,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355230341] [2020-07-08 15:56:28,422 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2020-07-08 15:56:28,422 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 15:56:28,422 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-08 15:56:28,471 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:56:28,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-08 15:56:28,471 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 15:56:28,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-08 15:56:28,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-08 15:56:28,472 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand 7 states. [2020-07-08 15:56:28,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:56:28,883 INFO L93 Difference]: Finished difference Result 56 states and 70 transitions. [2020-07-08 15:56:28,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-08 15:56:28,883 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2020-07-08 15:56:28,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 15:56:28,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 15:56:28,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 62 transitions. [2020-07-08 15:56:28,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 15:56:28,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 62 transitions. [2020-07-08 15:56:28,892 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 62 transitions. [2020-07-08 15:56:28,968 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:56:28,971 INFO L225 Difference]: With dead ends: 56 [2020-07-08 15:56:28,972 INFO L226 Difference]: Without dead ends: 50 [2020-07-08 15:56:28,972 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-07-08 15:56:28,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-07-08 15:56:29,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2020-07-08 15:56:29,051 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 15:56:29,051 INFO L82 GeneralOperation]: Start isEquivalent. First operand 50 states. Second operand 50 states. [2020-07-08 15:56:29,051 INFO L74 IsIncluded]: Start isIncluded. First operand 50 states. Second operand 50 states. [2020-07-08 15:56:29,052 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 50 states. [2020-07-08 15:56:29,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:56:29,059 INFO L93 Difference]: Finished difference Result 50 states and 64 transitions. [2020-07-08 15:56:29,060 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2020-07-08 15:56:29,060 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 15:56:29,061 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 15:56:29,061 INFO L74 IsIncluded]: Start isIncluded. First operand 50 states. Second operand 50 states. [2020-07-08 15:56:29,061 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 50 states. [2020-07-08 15:56:29,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:56:29,068 INFO L93 Difference]: Finished difference Result 50 states and 64 transitions. [2020-07-08 15:56:29,068 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2020-07-08 15:56:29,069 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 15:56:29,070 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 15:56:29,070 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 15:56:29,070 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 15:56:29,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-07-08 15:56:29,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 64 transitions. [2020-07-08 15:56:29,076 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 64 transitions. Word has length 34 [2020-07-08 15:56:29,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 15:56:29,078 INFO L479 AbstractCegarLoop]: Abstraction has 50 states and 64 transitions. [2020-07-08 15:56:29,079 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-08 15:56:29,079 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 50 states and 64 transitions. [2020-07-08 15:56:29,162 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:56:29,162 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2020-07-08 15:56:29,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-08 15:56:29,164 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 15:56:29,165 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 15:56:29,165 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-08 15:56:29,165 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 15:56:29,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 15:56:29,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1274787059, now seen corresponding path program 2 times [2020-07-08 15:56:29,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 15:56:29,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1187322271] [2020-07-08 15:56:29,166 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 15:56:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:29,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:29,226 INFO L280 TraceCheckUtils]: 0: Hoare triple {1090#true} assume true; {1090#true} is VALID [2020-07-08 15:56:29,227 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1090#true} {1090#true} #40#return; {1090#true} is VALID [2020-07-08 15:56:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:29,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:29,357 INFO L280 TraceCheckUtils]: 0: Hoare triple {1090#true} ~n := #in~n; {1090#true} is VALID [2020-07-08 15:56:29,357 INFO L280 TraceCheckUtils]: 1: Hoare triple {1090#true} assume !(~n < 1); {1090#true} is VALID [2020-07-08 15:56:29,358 INFO L280 TraceCheckUtils]: 2: Hoare triple {1090#true} assume 1 == ~n; {1090#true} is VALID [2020-07-08 15:56:29,358 INFO L280 TraceCheckUtils]: 3: Hoare triple {1090#true} #res := 1; {1090#true} is VALID [2020-07-08 15:56:29,358 INFO L280 TraceCheckUtils]: 4: Hoare triple {1090#true} assume true; {1090#true} is VALID [2020-07-08 15:56:29,359 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1090#true} {1166#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #46#return; {1166#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 15:56:29,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:29,366 INFO L280 TraceCheckUtils]: 0: Hoare triple {1090#true} ~n := #in~n; {1090#true} is VALID [2020-07-08 15:56:29,366 INFO L280 TraceCheckUtils]: 1: Hoare triple {1090#true} assume ~n < 1; {1090#true} is VALID [2020-07-08 15:56:29,366 INFO L280 TraceCheckUtils]: 2: Hoare triple {1090#true} #res := 0; {1090#true} is VALID [2020-07-08 15:56:29,367 INFO L280 TraceCheckUtils]: 3: Hoare triple {1090#true} assume true; {1090#true} is VALID [2020-07-08 15:56:29,368 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1090#true} {1166#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #48#return; {1178#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:29,369 INFO L280 TraceCheckUtils]: 0: Hoare triple {1090#true} ~n := #in~n; {1164#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:29,370 INFO L280 TraceCheckUtils]: 1: Hoare triple {1164#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1165#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-08 15:56:29,370 INFO L280 TraceCheckUtils]: 2: Hoare triple {1165#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {1166#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 15:56:29,371 INFO L263 TraceCheckUtils]: 3: Hoare triple {1166#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret0 := fibo(~n - 1); {1090#true} is VALID [2020-07-08 15:56:29,371 INFO L280 TraceCheckUtils]: 4: Hoare triple {1090#true} ~n := #in~n; {1090#true} is VALID [2020-07-08 15:56:29,371 INFO L280 TraceCheckUtils]: 5: Hoare triple {1090#true} assume !(~n < 1); {1090#true} is VALID [2020-07-08 15:56:29,371 INFO L280 TraceCheckUtils]: 6: Hoare triple {1090#true} assume 1 == ~n; {1090#true} is VALID [2020-07-08 15:56:29,372 INFO L280 TraceCheckUtils]: 7: Hoare triple {1090#true} #res := 1; {1090#true} is VALID [2020-07-08 15:56:29,372 INFO L280 TraceCheckUtils]: 8: Hoare triple {1090#true} assume true; {1090#true} is VALID [2020-07-08 15:56:29,373 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {1090#true} {1166#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #46#return; {1166#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 15:56:29,374 INFO L280 TraceCheckUtils]: 10: Hoare triple {1166#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1166#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 15:56:29,374 INFO L263 TraceCheckUtils]: 11: Hoare triple {1166#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret1 := fibo(~n - 2); {1090#true} is VALID [2020-07-08 15:56:29,374 INFO L280 TraceCheckUtils]: 12: Hoare triple {1090#true} ~n := #in~n; {1090#true} is VALID [2020-07-08 15:56:29,375 INFO L280 TraceCheckUtils]: 13: Hoare triple {1090#true} assume ~n < 1; {1090#true} is VALID [2020-07-08 15:56:29,375 INFO L280 TraceCheckUtils]: 14: Hoare triple {1090#true} #res := 0; {1090#true} is VALID [2020-07-08 15:56:29,375 INFO L280 TraceCheckUtils]: 15: Hoare triple {1090#true} assume true; {1090#true} is VALID [2020-07-08 15:56:29,376 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {1090#true} {1166#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #48#return; {1178#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:29,377 INFO L280 TraceCheckUtils]: 17: Hoare triple {1178#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1178#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:29,377 INFO L280 TraceCheckUtils]: 18: Hoare triple {1178#(<= 2 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {1178#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:29,378 INFO L280 TraceCheckUtils]: 19: Hoare triple {1178#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {1178#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:29,379 INFO L280 TraceCheckUtils]: 20: Hoare triple {1178#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {1178#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:29,379 INFO L280 TraceCheckUtils]: 21: Hoare triple {1178#(<= 2 |fibo_#in~n|)} assume true; {1178#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:29,380 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {1178#(<= 2 |fibo_#in~n|)} {1090#true} #46#return; {1158#(<= 3 fibo_~n)} is VALID [2020-07-08 15:56:29,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:29,400 INFO L280 TraceCheckUtils]: 0: Hoare triple {1090#true} ~n := #in~n; {1164#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:29,401 INFO L280 TraceCheckUtils]: 1: Hoare triple {1164#(= fibo_~n |fibo_#in~n|)} assume ~n < 1; {1179#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 15:56:29,402 INFO L280 TraceCheckUtils]: 2: Hoare triple {1179#(<= |fibo_#in~n| 0)} #res := 0; {1179#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 15:56:29,402 INFO L280 TraceCheckUtils]: 3: Hoare triple {1179#(<= |fibo_#in~n| 0)} assume true; {1179#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 15:56:29,404 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1179#(<= |fibo_#in~n| 0)} {1158#(<= 3 fibo_~n)} #48#return; {1091#false} is VALID [2020-07-08 15:56:29,404 INFO L280 TraceCheckUtils]: 0: Hoare triple {1090#true} ~n := #in~n; {1090#true} is VALID [2020-07-08 15:56:29,404 INFO L280 TraceCheckUtils]: 1: Hoare triple {1090#true} assume !(~n < 1); {1090#true} is VALID [2020-07-08 15:56:29,404 INFO L280 TraceCheckUtils]: 2: Hoare triple {1090#true} assume !(1 == ~n); {1090#true} is VALID [2020-07-08 15:56:29,405 INFO L263 TraceCheckUtils]: 3: Hoare triple {1090#true} call #t~ret0 := fibo(~n - 1); {1090#true} is VALID [2020-07-08 15:56:29,405 INFO L280 TraceCheckUtils]: 4: Hoare triple {1090#true} ~n := #in~n; {1164#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:29,406 INFO L280 TraceCheckUtils]: 5: Hoare triple {1164#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1165#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-08 15:56:29,407 INFO L280 TraceCheckUtils]: 6: Hoare triple {1165#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {1166#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 15:56:29,407 INFO L263 TraceCheckUtils]: 7: Hoare triple {1166#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret0 := fibo(~n - 1); {1090#true} is VALID [2020-07-08 15:56:29,408 INFO L280 TraceCheckUtils]: 8: Hoare triple {1090#true} ~n := #in~n; {1090#true} is VALID [2020-07-08 15:56:29,408 INFO L280 TraceCheckUtils]: 9: Hoare triple {1090#true} assume !(~n < 1); {1090#true} is VALID [2020-07-08 15:56:29,408 INFO L280 TraceCheckUtils]: 10: Hoare triple {1090#true} assume 1 == ~n; {1090#true} is VALID [2020-07-08 15:56:29,408 INFO L280 TraceCheckUtils]: 11: Hoare triple {1090#true} #res := 1; {1090#true} is VALID [2020-07-08 15:56:29,408 INFO L280 TraceCheckUtils]: 12: Hoare triple {1090#true} assume true; {1090#true} is VALID [2020-07-08 15:56:29,409 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {1090#true} {1166#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #46#return; {1166#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 15:56:29,410 INFO L280 TraceCheckUtils]: 14: Hoare triple {1166#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1166#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 15:56:29,410 INFO L263 TraceCheckUtils]: 15: Hoare triple {1166#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret1 := fibo(~n - 2); {1090#true} is VALID [2020-07-08 15:56:29,411 INFO L280 TraceCheckUtils]: 16: Hoare triple {1090#true} ~n := #in~n; {1090#true} is VALID [2020-07-08 15:56:29,411 INFO L280 TraceCheckUtils]: 17: Hoare triple {1090#true} assume ~n < 1; {1090#true} is VALID [2020-07-08 15:56:29,411 INFO L280 TraceCheckUtils]: 18: Hoare triple {1090#true} #res := 0; {1090#true} is VALID [2020-07-08 15:56:29,411 INFO L280 TraceCheckUtils]: 19: Hoare triple {1090#true} assume true; {1090#true} is VALID [2020-07-08 15:56:29,413 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1090#true} {1166#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #48#return; {1178#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:29,413 INFO L280 TraceCheckUtils]: 21: Hoare triple {1178#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1178#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:29,414 INFO L280 TraceCheckUtils]: 22: Hoare triple {1178#(<= 2 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {1178#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:29,414 INFO L280 TraceCheckUtils]: 23: Hoare triple {1178#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {1178#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:29,415 INFO L280 TraceCheckUtils]: 24: Hoare triple {1178#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {1178#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:29,416 INFO L280 TraceCheckUtils]: 25: Hoare triple {1178#(<= 2 |fibo_#in~n|)} assume true; {1178#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:29,417 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {1178#(<= 2 |fibo_#in~n|)} {1090#true} #46#return; {1158#(<= 3 fibo_~n)} is VALID [2020-07-08 15:56:29,417 INFO L280 TraceCheckUtils]: 27: Hoare triple {1158#(<= 3 fibo_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1158#(<= 3 fibo_~n)} is VALID [2020-07-08 15:56:29,418 INFO L263 TraceCheckUtils]: 28: Hoare triple {1158#(<= 3 fibo_~n)} call #t~ret1 := fibo(~n - 2); {1090#true} is VALID [2020-07-08 15:56:29,418 INFO L280 TraceCheckUtils]: 29: Hoare triple {1090#true} ~n := #in~n; {1164#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:29,419 INFO L280 TraceCheckUtils]: 30: Hoare triple {1164#(= fibo_~n |fibo_#in~n|)} assume ~n < 1; {1179#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 15:56:29,420 INFO L280 TraceCheckUtils]: 31: Hoare triple {1179#(<= |fibo_#in~n| 0)} #res := 0; {1179#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 15:56:29,420 INFO L280 TraceCheckUtils]: 32: Hoare triple {1179#(<= |fibo_#in~n| 0)} assume true; {1179#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 15:56:29,422 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {1179#(<= |fibo_#in~n| 0)} {1158#(<= 3 fibo_~n)} #48#return; {1091#false} is VALID [2020-07-08 15:56:29,422 INFO L280 TraceCheckUtils]: 34: Hoare triple {1091#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1091#false} is VALID [2020-07-08 15:56:29,422 INFO L280 TraceCheckUtils]: 35: Hoare triple {1091#false} #res := #t~ret0 + #t~ret1; {1091#false} is VALID [2020-07-08 15:56:29,422 INFO L280 TraceCheckUtils]: 36: Hoare triple {1091#false} havoc #t~ret1; {1091#false} is VALID [2020-07-08 15:56:29,423 INFO L280 TraceCheckUtils]: 37: Hoare triple {1091#false} havoc #t~ret0; {1091#false} is VALID [2020-07-08 15:56:29,423 INFO L280 TraceCheckUtils]: 38: Hoare triple {1091#false} assume true; {1091#false} is VALID [2020-07-08 15:56:29,423 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {1091#false} {1094#(<= 5 main_~x~0)} #44#return; {1091#false} is VALID [2020-07-08 15:56:29,425 INFO L263 TraceCheckUtils]: 0: Hoare triple {1090#true} call ULTIMATE.init(); {1090#true} is VALID [2020-07-08 15:56:29,426 INFO L280 TraceCheckUtils]: 1: Hoare triple {1090#true} assume true; {1090#true} is VALID [2020-07-08 15:56:29,426 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1090#true} {1090#true} #40#return; {1090#true} is VALID [2020-07-08 15:56:29,426 INFO L263 TraceCheckUtils]: 3: Hoare triple {1090#true} call #t~ret3 := main(); {1090#true} is VALID [2020-07-08 15:56:29,427 INFO L280 TraceCheckUtils]: 4: Hoare triple {1090#true} ~x~0 := 5; {1094#(<= 5 main_~x~0)} is VALID [2020-07-08 15:56:29,427 INFO L263 TraceCheckUtils]: 5: Hoare triple {1094#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {1090#true} is VALID [2020-07-08 15:56:29,427 INFO L280 TraceCheckUtils]: 6: Hoare triple {1090#true} ~n := #in~n; {1090#true} is VALID [2020-07-08 15:56:29,428 INFO L280 TraceCheckUtils]: 7: Hoare triple {1090#true} assume !(~n < 1); {1090#true} is VALID [2020-07-08 15:56:29,428 INFO L280 TraceCheckUtils]: 8: Hoare triple {1090#true} assume !(1 == ~n); {1090#true} is VALID [2020-07-08 15:56:29,428 INFO L263 TraceCheckUtils]: 9: Hoare triple {1090#true} call #t~ret0 := fibo(~n - 1); {1090#true} is VALID [2020-07-08 15:56:29,429 INFO L280 TraceCheckUtils]: 10: Hoare triple {1090#true} ~n := #in~n; {1164#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:29,429 INFO L280 TraceCheckUtils]: 11: Hoare triple {1164#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1165#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-08 15:56:29,430 INFO L280 TraceCheckUtils]: 12: Hoare triple {1165#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {1166#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 15:56:29,430 INFO L263 TraceCheckUtils]: 13: Hoare triple {1166#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret0 := fibo(~n - 1); {1090#true} is VALID [2020-07-08 15:56:29,431 INFO L280 TraceCheckUtils]: 14: Hoare triple {1090#true} ~n := #in~n; {1090#true} is VALID [2020-07-08 15:56:29,431 INFO L280 TraceCheckUtils]: 15: Hoare triple {1090#true} assume !(~n < 1); {1090#true} is VALID [2020-07-08 15:56:29,431 INFO L280 TraceCheckUtils]: 16: Hoare triple {1090#true} assume 1 == ~n; {1090#true} is VALID [2020-07-08 15:56:29,431 INFO L280 TraceCheckUtils]: 17: Hoare triple {1090#true} #res := 1; {1090#true} is VALID [2020-07-08 15:56:29,431 INFO L280 TraceCheckUtils]: 18: Hoare triple {1090#true} assume true; {1090#true} is VALID [2020-07-08 15:56:29,432 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {1090#true} {1166#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #46#return; {1166#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 15:56:29,433 INFO L280 TraceCheckUtils]: 20: Hoare triple {1166#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1166#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 15:56:29,433 INFO L263 TraceCheckUtils]: 21: Hoare triple {1166#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret1 := fibo(~n - 2); {1090#true} is VALID [2020-07-08 15:56:29,434 INFO L280 TraceCheckUtils]: 22: Hoare triple {1090#true} ~n := #in~n; {1090#true} is VALID [2020-07-08 15:56:29,434 INFO L280 TraceCheckUtils]: 23: Hoare triple {1090#true} assume ~n < 1; {1090#true} is VALID [2020-07-08 15:56:29,434 INFO L280 TraceCheckUtils]: 24: Hoare triple {1090#true} #res := 0; {1090#true} is VALID [2020-07-08 15:56:29,434 INFO L280 TraceCheckUtils]: 25: Hoare triple {1090#true} assume true; {1090#true} is VALID [2020-07-08 15:56:29,436 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {1090#true} {1166#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #48#return; {1178#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:29,436 INFO L280 TraceCheckUtils]: 27: Hoare triple {1178#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1178#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:29,437 INFO L280 TraceCheckUtils]: 28: Hoare triple {1178#(<= 2 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {1178#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:29,437 INFO L280 TraceCheckUtils]: 29: Hoare triple {1178#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {1178#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:29,438 INFO L280 TraceCheckUtils]: 30: Hoare triple {1178#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {1178#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:29,438 INFO L280 TraceCheckUtils]: 31: Hoare triple {1178#(<= 2 |fibo_#in~n|)} assume true; {1178#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:29,439 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {1178#(<= 2 |fibo_#in~n|)} {1090#true} #46#return; {1158#(<= 3 fibo_~n)} is VALID [2020-07-08 15:56:29,440 INFO L280 TraceCheckUtils]: 33: Hoare triple {1158#(<= 3 fibo_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1158#(<= 3 fibo_~n)} is VALID [2020-07-08 15:56:29,440 INFO L263 TraceCheckUtils]: 34: Hoare triple {1158#(<= 3 fibo_~n)} call #t~ret1 := fibo(~n - 2); {1090#true} is VALID [2020-07-08 15:56:29,441 INFO L280 TraceCheckUtils]: 35: Hoare triple {1090#true} ~n := #in~n; {1164#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:29,442 INFO L280 TraceCheckUtils]: 36: Hoare triple {1164#(= fibo_~n |fibo_#in~n|)} assume ~n < 1; {1179#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 15:56:29,442 INFO L280 TraceCheckUtils]: 37: Hoare triple {1179#(<= |fibo_#in~n| 0)} #res := 0; {1179#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 15:56:29,443 INFO L280 TraceCheckUtils]: 38: Hoare triple {1179#(<= |fibo_#in~n| 0)} assume true; {1179#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 15:56:29,444 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {1179#(<= |fibo_#in~n| 0)} {1158#(<= 3 fibo_~n)} #48#return; {1091#false} is VALID [2020-07-08 15:56:29,444 INFO L280 TraceCheckUtils]: 40: Hoare triple {1091#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1091#false} is VALID [2020-07-08 15:56:29,444 INFO L280 TraceCheckUtils]: 41: Hoare triple {1091#false} #res := #t~ret0 + #t~ret1; {1091#false} is VALID [2020-07-08 15:56:29,444 INFO L280 TraceCheckUtils]: 42: Hoare triple {1091#false} havoc #t~ret1; {1091#false} is VALID [2020-07-08 15:56:29,445 INFO L280 TraceCheckUtils]: 43: Hoare triple {1091#false} havoc #t~ret0; {1091#false} is VALID [2020-07-08 15:56:29,445 INFO L280 TraceCheckUtils]: 44: Hoare triple {1091#false} assume true; {1091#false} is VALID [2020-07-08 15:56:29,445 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {1091#false} {1094#(<= 5 main_~x~0)} #44#return; {1091#false} is VALID [2020-07-08 15:56:29,445 INFO L280 TraceCheckUtils]: 46: Hoare triple {1091#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1091#false} is VALID [2020-07-08 15:56:29,446 INFO L280 TraceCheckUtils]: 47: Hoare triple {1091#false} ~result~0 := #t~ret2; {1091#false} is VALID [2020-07-08 15:56:29,446 INFO L280 TraceCheckUtils]: 48: Hoare triple {1091#false} havoc #t~ret2; {1091#false} is VALID [2020-07-08 15:56:29,446 INFO L280 TraceCheckUtils]: 49: Hoare triple {1091#false} assume 5 == ~result~0; {1091#false} is VALID [2020-07-08 15:56:29,446 INFO L280 TraceCheckUtils]: 50: Hoare triple {1091#false} assume !false; {1091#false} is VALID [2020-07-08 15:56:29,449 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-08 15:56:29,449 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 15:56:29,450 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1187322271] [2020-07-08 15:56:29,450 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 15:56:29,450 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-08 15:56:29,450 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000731718] [2020-07-08 15:56:29,451 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2020-07-08 15:56:29,452 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 15:56:29,452 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-08 15:56:29,499 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:56:29,499 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-08 15:56:29,500 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 15:56:29,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-08 15:56:29,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-07-08 15:56:29,501 INFO L87 Difference]: Start difference. First operand 50 states and 64 transitions. Second operand 9 states. [2020-07-08 15:56:30,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:56:30,006 INFO L93 Difference]: Finished difference Result 111 states and 156 transitions. [2020-07-08 15:56:30,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-08 15:56:30,007 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2020-07-08 15:56:30,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 15:56:30,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-08 15:56:30,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 78 transitions. [2020-07-08 15:56:30,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-08 15:56:30,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 78 transitions. [2020-07-08 15:56:30,013 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 78 transitions. [2020-07-08 15:56:30,121 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:56:30,127 INFO L225 Difference]: With dead ends: 111 [2020-07-08 15:56:30,127 INFO L226 Difference]: Without dead ends: 67 [2020-07-08 15:56:30,129 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-07-08 15:56:30,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-07-08 15:56:30,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 55. [2020-07-08 15:56:30,222 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 15:56:30,223 INFO L82 GeneralOperation]: Start isEquivalent. First operand 67 states. Second operand 55 states. [2020-07-08 15:56:30,223 INFO L74 IsIncluded]: Start isIncluded. First operand 67 states. Second operand 55 states. [2020-07-08 15:56:30,223 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 55 states. [2020-07-08 15:56:30,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:56:30,231 INFO L93 Difference]: Finished difference Result 67 states and 86 transitions. [2020-07-08 15:56:30,231 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2020-07-08 15:56:30,233 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 15:56:30,233 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 15:56:30,233 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 67 states. [2020-07-08 15:56:30,233 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 67 states. [2020-07-08 15:56:30,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:56:30,242 INFO L93 Difference]: Finished difference Result 67 states and 86 transitions. [2020-07-08 15:56:30,242 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2020-07-08 15:56:30,244 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 15:56:30,244 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 15:56:30,244 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 15:56:30,244 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 15:56:30,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-07-08 15:56:30,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 70 transitions. [2020-07-08 15:56:30,249 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 70 transitions. Word has length 51 [2020-07-08 15:56:30,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 15:56:30,252 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 70 transitions. [2020-07-08 15:56:30,252 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-08 15:56:30,252 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 55 states and 70 transitions. [2020-07-08 15:56:30,336 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 70 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:56:30,337 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2020-07-08 15:56:30,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-08 15:56:30,338 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 15:56:30,338 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 15:56:30,339 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-08 15:56:30,339 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 15:56:30,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 15:56:30,339 INFO L82 PathProgramCache]: Analyzing trace with hash 99184320, now seen corresponding path program 3 times [2020-07-08 15:56:30,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 15:56:30,340 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1945819559] [2020-07-08 15:56:30,340 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 15:56:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:30,384 INFO L280 TraceCheckUtils]: 0: Hoare triple {1653#true} assume true; {1653#true} is VALID [2020-07-08 15:56:30,385 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1653#true} {1653#true} #40#return; {1653#true} is VALID [2020-07-08 15:56:30,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:30,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:30,488 INFO L280 TraceCheckUtils]: 0: Hoare triple {1653#true} ~n := #in~n; {1699#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:30,488 INFO L280 TraceCheckUtils]: 1: Hoare triple {1699#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1699#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:30,489 INFO L280 TraceCheckUtils]: 2: Hoare triple {1699#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {1744#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:30,489 INFO L280 TraceCheckUtils]: 3: Hoare triple {1744#(<= |fibo_#in~n| 1)} #res := 1; {1744#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:30,490 INFO L280 TraceCheckUtils]: 4: Hoare triple {1744#(<= |fibo_#in~n| 1)} assume true; {1744#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:30,491 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1744#(<= |fibo_#in~n| 1)} {1699#(= fibo_~n |fibo_#in~n|)} #46#return; {1737#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 15:56:30,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:30,497 INFO L280 TraceCheckUtils]: 0: Hoare triple {1653#true} ~n := #in~n; {1653#true} is VALID [2020-07-08 15:56:30,497 INFO L280 TraceCheckUtils]: 1: Hoare triple {1653#true} assume ~n < 1; {1653#true} is VALID [2020-07-08 15:56:30,498 INFO L280 TraceCheckUtils]: 2: Hoare triple {1653#true} #res := 0; {1653#true} is VALID [2020-07-08 15:56:30,498 INFO L280 TraceCheckUtils]: 3: Hoare triple {1653#true} assume true; {1653#true} is VALID [2020-07-08 15:56:30,499 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1653#true} {1737#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} #48#return; {1743#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:30,499 INFO L280 TraceCheckUtils]: 0: Hoare triple {1653#true} ~n := #in~n; {1699#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:30,500 INFO L280 TraceCheckUtils]: 1: Hoare triple {1699#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1699#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:30,500 INFO L280 TraceCheckUtils]: 2: Hoare triple {1699#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1699#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:30,501 INFO L263 TraceCheckUtils]: 3: Hoare triple {1699#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1653#true} is VALID [2020-07-08 15:56:30,501 INFO L280 TraceCheckUtils]: 4: Hoare triple {1653#true} ~n := #in~n; {1699#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:30,502 INFO L280 TraceCheckUtils]: 5: Hoare triple {1699#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1699#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:30,502 INFO L280 TraceCheckUtils]: 6: Hoare triple {1699#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {1744#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:30,503 INFO L280 TraceCheckUtils]: 7: Hoare triple {1744#(<= |fibo_#in~n| 1)} #res := 1; {1744#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:30,505 INFO L280 TraceCheckUtils]: 8: Hoare triple {1744#(<= |fibo_#in~n| 1)} assume true; {1744#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:30,513 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {1744#(<= |fibo_#in~n| 1)} {1699#(= fibo_~n |fibo_#in~n|)} #46#return; {1737#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 15:56:30,516 INFO L280 TraceCheckUtils]: 10: Hoare triple {1737#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1737#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 15:56:30,517 INFO L263 TraceCheckUtils]: 11: Hoare triple {1737#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} call #t~ret1 := fibo(~n - 2); {1653#true} is VALID [2020-07-08 15:56:30,517 INFO L280 TraceCheckUtils]: 12: Hoare triple {1653#true} ~n := #in~n; {1653#true} is VALID [2020-07-08 15:56:30,517 INFO L280 TraceCheckUtils]: 13: Hoare triple {1653#true} assume ~n < 1; {1653#true} is VALID [2020-07-08 15:56:30,517 INFO L280 TraceCheckUtils]: 14: Hoare triple {1653#true} #res := 0; {1653#true} is VALID [2020-07-08 15:56:30,518 INFO L280 TraceCheckUtils]: 15: Hoare triple {1653#true} assume true; {1653#true} is VALID [2020-07-08 15:56:30,523 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {1653#true} {1737#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} #48#return; {1743#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:30,524 INFO L280 TraceCheckUtils]: 17: Hoare triple {1743#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1743#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:30,525 INFO L280 TraceCheckUtils]: 18: Hoare triple {1743#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {1743#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:30,525 INFO L280 TraceCheckUtils]: 19: Hoare triple {1743#(<= |fibo_#in~n| 2)} havoc #t~ret1; {1743#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:30,526 INFO L280 TraceCheckUtils]: 20: Hoare triple {1743#(<= |fibo_#in~n| 2)} havoc #t~ret0; {1743#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:30,526 INFO L280 TraceCheckUtils]: 21: Hoare triple {1743#(<= |fibo_#in~n| 2)} assume true; {1743#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:30,527 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {1743#(<= |fibo_#in~n| 2)} {1699#(= fibo_~n |fibo_#in~n|)} #46#return; {1723#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} is VALID [2020-07-08 15:56:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:30,536 INFO L280 TraceCheckUtils]: 0: Hoare triple {1653#true} ~n := #in~n; {1653#true} is VALID [2020-07-08 15:56:30,536 INFO L280 TraceCheckUtils]: 1: Hoare triple {1653#true} assume !(~n < 1); {1653#true} is VALID [2020-07-08 15:56:30,536 INFO L280 TraceCheckUtils]: 2: Hoare triple {1653#true} assume 1 == ~n; {1653#true} is VALID [2020-07-08 15:56:30,537 INFO L280 TraceCheckUtils]: 3: Hoare triple {1653#true} #res := 1; {1653#true} is VALID [2020-07-08 15:56:30,537 INFO L280 TraceCheckUtils]: 4: Hoare triple {1653#true} assume true; {1653#true} is VALID [2020-07-08 15:56:30,538 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1653#true} {1723#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} #48#return; {1730#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:30,539 INFO L280 TraceCheckUtils]: 0: Hoare triple {1653#true} ~n := #in~n; {1699#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:30,541 INFO L280 TraceCheckUtils]: 1: Hoare triple {1699#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1699#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:30,542 INFO L280 TraceCheckUtils]: 2: Hoare triple {1699#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1699#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:30,542 INFO L263 TraceCheckUtils]: 3: Hoare triple {1699#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1653#true} is VALID [2020-07-08 15:56:30,543 INFO L280 TraceCheckUtils]: 4: Hoare triple {1653#true} ~n := #in~n; {1699#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:30,544 INFO L280 TraceCheckUtils]: 5: Hoare triple {1699#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1699#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:30,545 INFO L280 TraceCheckUtils]: 6: Hoare triple {1699#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1699#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:30,546 INFO L263 TraceCheckUtils]: 7: Hoare triple {1699#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1653#true} is VALID [2020-07-08 15:56:30,546 INFO L280 TraceCheckUtils]: 8: Hoare triple {1653#true} ~n := #in~n; {1699#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:30,547 INFO L280 TraceCheckUtils]: 9: Hoare triple {1699#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1699#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:30,547 INFO L280 TraceCheckUtils]: 10: Hoare triple {1699#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {1744#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:30,548 INFO L280 TraceCheckUtils]: 11: Hoare triple {1744#(<= |fibo_#in~n| 1)} #res := 1; {1744#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:30,548 INFO L280 TraceCheckUtils]: 12: Hoare triple {1744#(<= |fibo_#in~n| 1)} assume true; {1744#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:30,550 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {1744#(<= |fibo_#in~n| 1)} {1699#(= fibo_~n |fibo_#in~n|)} #46#return; {1737#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 15:56:30,550 INFO L280 TraceCheckUtils]: 14: Hoare triple {1737#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1737#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 15:56:30,551 INFO L263 TraceCheckUtils]: 15: Hoare triple {1737#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} call #t~ret1 := fibo(~n - 2); {1653#true} is VALID [2020-07-08 15:56:30,551 INFO L280 TraceCheckUtils]: 16: Hoare triple {1653#true} ~n := #in~n; {1653#true} is VALID [2020-07-08 15:56:30,551 INFO L280 TraceCheckUtils]: 17: Hoare triple {1653#true} assume ~n < 1; {1653#true} is VALID [2020-07-08 15:56:30,551 INFO L280 TraceCheckUtils]: 18: Hoare triple {1653#true} #res := 0; {1653#true} is VALID [2020-07-08 15:56:30,551 INFO L280 TraceCheckUtils]: 19: Hoare triple {1653#true} assume true; {1653#true} is VALID [2020-07-08 15:56:30,552 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1653#true} {1737#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} #48#return; {1743#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:30,553 INFO L280 TraceCheckUtils]: 21: Hoare triple {1743#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1743#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:30,554 INFO L280 TraceCheckUtils]: 22: Hoare triple {1743#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {1743#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:30,554 INFO L280 TraceCheckUtils]: 23: Hoare triple {1743#(<= |fibo_#in~n| 2)} havoc #t~ret1; {1743#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:30,555 INFO L280 TraceCheckUtils]: 24: Hoare triple {1743#(<= |fibo_#in~n| 2)} havoc #t~ret0; {1743#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:30,555 INFO L280 TraceCheckUtils]: 25: Hoare triple {1743#(<= |fibo_#in~n| 2)} assume true; {1743#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:30,557 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {1743#(<= |fibo_#in~n| 2)} {1699#(= fibo_~n |fibo_#in~n|)} #46#return; {1723#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} is VALID [2020-07-08 15:56:30,557 INFO L280 TraceCheckUtils]: 27: Hoare triple {1723#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1723#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} is VALID [2020-07-08 15:56:30,558 INFO L263 TraceCheckUtils]: 28: Hoare triple {1723#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} call #t~ret1 := fibo(~n - 2); {1653#true} is VALID [2020-07-08 15:56:30,558 INFO L280 TraceCheckUtils]: 29: Hoare triple {1653#true} ~n := #in~n; {1653#true} is VALID [2020-07-08 15:56:30,558 INFO L280 TraceCheckUtils]: 30: Hoare triple {1653#true} assume !(~n < 1); {1653#true} is VALID [2020-07-08 15:56:30,558 INFO L280 TraceCheckUtils]: 31: Hoare triple {1653#true} assume 1 == ~n; {1653#true} is VALID [2020-07-08 15:56:30,559 INFO L280 TraceCheckUtils]: 32: Hoare triple {1653#true} #res := 1; {1653#true} is VALID [2020-07-08 15:56:30,559 INFO L280 TraceCheckUtils]: 33: Hoare triple {1653#true} assume true; {1653#true} is VALID [2020-07-08 15:56:30,560 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {1653#true} {1723#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} #48#return; {1730#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:30,561 INFO L280 TraceCheckUtils]: 35: Hoare triple {1730#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1730#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:30,561 INFO L280 TraceCheckUtils]: 36: Hoare triple {1730#(<= |fibo_#in~n| 3)} #res := #t~ret0 + #t~ret1; {1730#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:30,562 INFO L280 TraceCheckUtils]: 37: Hoare triple {1730#(<= |fibo_#in~n| 3)} havoc #t~ret1; {1730#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:30,562 INFO L280 TraceCheckUtils]: 38: Hoare triple {1730#(<= |fibo_#in~n| 3)} havoc #t~ret0; {1730#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:30,563 INFO L280 TraceCheckUtils]: 39: Hoare triple {1730#(<= |fibo_#in~n| 3)} assume true; {1730#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:30,564 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {1730#(<= |fibo_#in~n| 3)} {1657#(<= 5 main_~x~0)} #44#return; {1654#false} is VALID [2020-07-08 15:56:30,566 INFO L263 TraceCheckUtils]: 0: Hoare triple {1653#true} call ULTIMATE.init(); {1653#true} is VALID [2020-07-08 15:56:30,566 INFO L280 TraceCheckUtils]: 1: Hoare triple {1653#true} assume true; {1653#true} is VALID [2020-07-08 15:56:30,566 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1653#true} {1653#true} #40#return; {1653#true} is VALID [2020-07-08 15:56:30,566 INFO L263 TraceCheckUtils]: 3: Hoare triple {1653#true} call #t~ret3 := main(); {1653#true} is VALID [2020-07-08 15:56:30,567 INFO L280 TraceCheckUtils]: 4: Hoare triple {1653#true} ~x~0 := 5; {1657#(<= 5 main_~x~0)} is VALID [2020-07-08 15:56:30,567 INFO L263 TraceCheckUtils]: 5: Hoare triple {1657#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {1653#true} is VALID [2020-07-08 15:56:30,568 INFO L280 TraceCheckUtils]: 6: Hoare triple {1653#true} ~n := #in~n; {1699#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:30,568 INFO L280 TraceCheckUtils]: 7: Hoare triple {1699#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1699#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:30,569 INFO L280 TraceCheckUtils]: 8: Hoare triple {1699#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1699#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:30,569 INFO L263 TraceCheckUtils]: 9: Hoare triple {1699#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1653#true} is VALID [2020-07-08 15:56:30,569 INFO L280 TraceCheckUtils]: 10: Hoare triple {1653#true} ~n := #in~n; {1699#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:30,570 INFO L280 TraceCheckUtils]: 11: Hoare triple {1699#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1699#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:30,570 INFO L280 TraceCheckUtils]: 12: Hoare triple {1699#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1699#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:30,570 INFO L263 TraceCheckUtils]: 13: Hoare triple {1699#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1653#true} is VALID [2020-07-08 15:56:30,571 INFO L280 TraceCheckUtils]: 14: Hoare triple {1653#true} ~n := #in~n; {1699#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:30,571 INFO L280 TraceCheckUtils]: 15: Hoare triple {1699#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1699#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:30,572 INFO L280 TraceCheckUtils]: 16: Hoare triple {1699#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {1744#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:30,572 INFO L280 TraceCheckUtils]: 17: Hoare triple {1744#(<= |fibo_#in~n| 1)} #res := 1; {1744#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:30,572 INFO L280 TraceCheckUtils]: 18: Hoare triple {1744#(<= |fibo_#in~n| 1)} assume true; {1744#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:30,576 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {1744#(<= |fibo_#in~n| 1)} {1699#(= fibo_~n |fibo_#in~n|)} #46#return; {1737#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 15:56:30,577 INFO L280 TraceCheckUtils]: 20: Hoare triple {1737#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1737#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 15:56:30,577 INFO L263 TraceCheckUtils]: 21: Hoare triple {1737#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} call #t~ret1 := fibo(~n - 2); {1653#true} is VALID [2020-07-08 15:56:30,577 INFO L280 TraceCheckUtils]: 22: Hoare triple {1653#true} ~n := #in~n; {1653#true} is VALID [2020-07-08 15:56:30,578 INFO L280 TraceCheckUtils]: 23: Hoare triple {1653#true} assume ~n < 1; {1653#true} is VALID [2020-07-08 15:56:30,578 INFO L280 TraceCheckUtils]: 24: Hoare triple {1653#true} #res := 0; {1653#true} is VALID [2020-07-08 15:56:30,578 INFO L280 TraceCheckUtils]: 25: Hoare triple {1653#true} assume true; {1653#true} is VALID [2020-07-08 15:56:30,579 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {1653#true} {1737#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} #48#return; {1743#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:30,580 INFO L280 TraceCheckUtils]: 27: Hoare triple {1743#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1743#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:30,582 INFO L280 TraceCheckUtils]: 28: Hoare triple {1743#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {1743#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:30,583 INFO L280 TraceCheckUtils]: 29: Hoare triple {1743#(<= |fibo_#in~n| 2)} havoc #t~ret1; {1743#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:30,584 INFO L280 TraceCheckUtils]: 30: Hoare triple {1743#(<= |fibo_#in~n| 2)} havoc #t~ret0; {1743#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:30,584 INFO L280 TraceCheckUtils]: 31: Hoare triple {1743#(<= |fibo_#in~n| 2)} assume true; {1743#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:30,585 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {1743#(<= |fibo_#in~n| 2)} {1699#(= fibo_~n |fibo_#in~n|)} #46#return; {1723#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} is VALID [2020-07-08 15:56:30,585 INFO L280 TraceCheckUtils]: 33: Hoare triple {1723#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1723#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} is VALID [2020-07-08 15:56:30,586 INFO L263 TraceCheckUtils]: 34: Hoare triple {1723#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} call #t~ret1 := fibo(~n - 2); {1653#true} is VALID [2020-07-08 15:56:30,586 INFO L280 TraceCheckUtils]: 35: Hoare triple {1653#true} ~n := #in~n; {1653#true} is VALID [2020-07-08 15:56:30,586 INFO L280 TraceCheckUtils]: 36: Hoare triple {1653#true} assume !(~n < 1); {1653#true} is VALID [2020-07-08 15:56:30,586 INFO L280 TraceCheckUtils]: 37: Hoare triple {1653#true} assume 1 == ~n; {1653#true} is VALID [2020-07-08 15:56:30,587 INFO L280 TraceCheckUtils]: 38: Hoare triple {1653#true} #res := 1; {1653#true} is VALID [2020-07-08 15:56:30,587 INFO L280 TraceCheckUtils]: 39: Hoare triple {1653#true} assume true; {1653#true} is VALID [2020-07-08 15:56:30,588 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {1653#true} {1723#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} #48#return; {1730#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:30,588 INFO L280 TraceCheckUtils]: 41: Hoare triple {1730#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1730#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:30,589 INFO L280 TraceCheckUtils]: 42: Hoare triple {1730#(<= |fibo_#in~n| 3)} #res := #t~ret0 + #t~ret1; {1730#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:30,589 INFO L280 TraceCheckUtils]: 43: Hoare triple {1730#(<= |fibo_#in~n| 3)} havoc #t~ret1; {1730#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:30,589 INFO L280 TraceCheckUtils]: 44: Hoare triple {1730#(<= |fibo_#in~n| 3)} havoc #t~ret0; {1730#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:30,591 INFO L280 TraceCheckUtils]: 45: Hoare triple {1730#(<= |fibo_#in~n| 3)} assume true; {1730#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:30,592 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {1730#(<= |fibo_#in~n| 3)} {1657#(<= 5 main_~x~0)} #44#return; {1654#false} is VALID [2020-07-08 15:56:30,592 INFO L280 TraceCheckUtils]: 47: Hoare triple {1654#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1654#false} is VALID [2020-07-08 15:56:30,592 INFO L280 TraceCheckUtils]: 48: Hoare triple {1654#false} ~result~0 := #t~ret2; {1654#false} is VALID [2020-07-08 15:56:30,592 INFO L280 TraceCheckUtils]: 49: Hoare triple {1654#false} havoc #t~ret2; {1654#false} is VALID [2020-07-08 15:56:30,592 INFO L280 TraceCheckUtils]: 50: Hoare triple {1654#false} assume 5 == ~result~0; {1654#false} is VALID [2020-07-08 15:56:30,592 INFO L280 TraceCheckUtils]: 51: Hoare triple {1654#false} assume !false; {1654#false} is VALID [2020-07-08 15:56:30,594 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-08 15:56:30,594 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 15:56:30,595 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1945819559] [2020-07-08 15:56:30,595 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 15:56:30,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-08 15:56:30,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598868737] [2020-07-08 15:56:30,595 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 52 [2020-07-08 15:56:30,596 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 15:56:30,596 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-08 15:56:30,646 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:56:30,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-08 15:56:30,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 15:56:30,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-08 15:56:30,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-07-08 15:56:30,647 INFO L87 Difference]: Start difference. First operand 55 states and 70 transitions. Second operand 9 states. [2020-07-08 15:56:31,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:56:31,119 INFO L93 Difference]: Finished difference Result 89 states and 117 transitions. [2020-07-08 15:56:31,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-08 15:56:31,120 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 52 [2020-07-08 15:56:31,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 15:56:31,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-08 15:56:31,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 72 transitions. [2020-07-08 15:56:31,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-08 15:56:31,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 72 transitions. [2020-07-08 15:56:31,124 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 72 transitions. [2020-07-08 15:56:31,214 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 72 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:56:31,218 INFO L225 Difference]: With dead ends: 89 [2020-07-08 15:56:31,218 INFO L226 Difference]: Without dead ends: 83 [2020-07-08 15:56:31,219 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-07-08 15:56:31,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-07-08 15:56:31,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 77. [2020-07-08 15:56:31,336 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 15:56:31,336 INFO L82 GeneralOperation]: Start isEquivalent. First operand 83 states. Second operand 77 states. [2020-07-08 15:56:31,336 INFO L74 IsIncluded]: Start isIncluded. First operand 83 states. Second operand 77 states. [2020-07-08 15:56:31,337 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 77 states. [2020-07-08 15:56:31,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:56:31,343 INFO L93 Difference]: Finished difference Result 83 states and 111 transitions. [2020-07-08 15:56:31,343 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 111 transitions. [2020-07-08 15:56:31,344 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 15:56:31,344 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 15:56:31,344 INFO L74 IsIncluded]: Start isIncluded. First operand 77 states. Second operand 83 states. [2020-07-08 15:56:31,344 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 83 states. [2020-07-08 15:56:31,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:56:31,351 INFO L93 Difference]: Finished difference Result 83 states and 111 transitions. [2020-07-08 15:56:31,351 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 111 transitions. [2020-07-08 15:56:31,352 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 15:56:31,352 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 15:56:31,352 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 15:56:31,352 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 15:56:31,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-07-08 15:56:31,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 103 transitions. [2020-07-08 15:56:31,357 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 103 transitions. Word has length 52 [2020-07-08 15:56:31,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 15:56:31,357 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 103 transitions. [2020-07-08 15:56:31,358 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-08 15:56:31,358 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 77 states and 103 transitions. [2020-07-08 15:56:31,490 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 103 edges. 103 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:56:31,491 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 103 transitions. [2020-07-08 15:56:31,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-07-08 15:56:31,494 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 15:56:31,494 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 15:56:31,494 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-08 15:56:31,495 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 15:56:31,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 15:56:31,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1883941443, now seen corresponding path program 4 times [2020-07-08 15:56:31,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 15:56:31,495 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1998456254] [2020-07-08 15:56:31,496 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 15:56:31,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:31,561 INFO L280 TraceCheckUtils]: 0: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 15:56:31,561 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2248#true} {2248#true} #40#return; {2248#true} is VALID [2020-07-08 15:56:31,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:31,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:31,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:31,755 INFO L280 TraceCheckUtils]: 0: Hoare triple {2248#true} ~n := #in~n; {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:31,755 INFO L280 TraceCheckUtils]: 1: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:31,756 INFO L280 TraceCheckUtils]: 2: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {2511#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:31,757 INFO L280 TraceCheckUtils]: 3: Hoare triple {2511#(<= |fibo_#in~n| 1)} #res := 1; {2511#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:31,757 INFO L280 TraceCheckUtils]: 4: Hoare triple {2511#(<= |fibo_#in~n| 1)} assume true; {2511#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:31,759 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2511#(<= |fibo_#in~n| 1)} {2466#(= fibo_~n |fibo_#in~n|)} #46#return; {2504#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 15:56:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:31,766 INFO L280 TraceCheckUtils]: 0: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 15:56:31,766 INFO L280 TraceCheckUtils]: 1: Hoare triple {2248#true} assume ~n < 1; {2248#true} is VALID [2020-07-08 15:56:31,767 INFO L280 TraceCheckUtils]: 2: Hoare triple {2248#true} #res := 0; {2248#true} is VALID [2020-07-08 15:56:31,767 INFO L280 TraceCheckUtils]: 3: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 15:56:31,768 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2248#true} {2504#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} #48#return; {2510#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:31,770 INFO L280 TraceCheckUtils]: 0: Hoare triple {2248#true} ~n := #in~n; {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:31,772 INFO L280 TraceCheckUtils]: 1: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:31,773 INFO L280 TraceCheckUtils]: 2: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:31,773 INFO L263 TraceCheckUtils]: 3: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2248#true} is VALID [2020-07-08 15:56:31,774 INFO L280 TraceCheckUtils]: 4: Hoare triple {2248#true} ~n := #in~n; {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:31,774 INFO L280 TraceCheckUtils]: 5: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:31,775 INFO L280 TraceCheckUtils]: 6: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {2511#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:31,775 INFO L280 TraceCheckUtils]: 7: Hoare triple {2511#(<= |fibo_#in~n| 1)} #res := 1; {2511#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:31,776 INFO L280 TraceCheckUtils]: 8: Hoare triple {2511#(<= |fibo_#in~n| 1)} assume true; {2511#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:31,777 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {2511#(<= |fibo_#in~n| 1)} {2466#(= fibo_~n |fibo_#in~n|)} #46#return; {2504#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 15:56:31,778 INFO L280 TraceCheckUtils]: 10: Hoare triple {2504#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2504#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 15:56:31,778 INFO L263 TraceCheckUtils]: 11: Hoare triple {2504#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} call #t~ret1 := fibo(~n - 2); {2248#true} is VALID [2020-07-08 15:56:31,778 INFO L280 TraceCheckUtils]: 12: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 15:56:31,779 INFO L280 TraceCheckUtils]: 13: Hoare triple {2248#true} assume ~n < 1; {2248#true} is VALID [2020-07-08 15:56:31,779 INFO L280 TraceCheckUtils]: 14: Hoare triple {2248#true} #res := 0; {2248#true} is VALID [2020-07-08 15:56:31,779 INFO L280 TraceCheckUtils]: 15: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 15:56:31,780 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {2248#true} {2504#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} #48#return; {2510#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:31,780 INFO L280 TraceCheckUtils]: 17: Hoare triple {2510#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2510#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:31,781 INFO L280 TraceCheckUtils]: 18: Hoare triple {2510#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {2510#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:31,782 INFO L280 TraceCheckUtils]: 19: Hoare triple {2510#(<= |fibo_#in~n| 2)} havoc #t~ret1; {2510#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:31,782 INFO L280 TraceCheckUtils]: 20: Hoare triple {2510#(<= |fibo_#in~n| 2)} havoc #t~ret0; {2510#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:31,783 INFO L280 TraceCheckUtils]: 21: Hoare triple {2510#(<= |fibo_#in~n| 2)} assume true; {2510#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:31,784 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {2510#(<= |fibo_#in~n| 2)} {2466#(= fibo_~n |fibo_#in~n|)} #46#return; {2490#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} is VALID [2020-07-08 15:56:31,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:31,790 INFO L280 TraceCheckUtils]: 0: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 15:56:31,790 INFO L280 TraceCheckUtils]: 1: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 15:56:31,791 INFO L280 TraceCheckUtils]: 2: Hoare triple {2248#true} assume 1 == ~n; {2248#true} is VALID [2020-07-08 15:56:31,791 INFO L280 TraceCheckUtils]: 3: Hoare triple {2248#true} #res := 1; {2248#true} is VALID [2020-07-08 15:56:31,791 INFO L280 TraceCheckUtils]: 4: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 15:56:31,792 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2248#true} {2490#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} #48#return; {2497#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:31,793 INFO L280 TraceCheckUtils]: 0: Hoare triple {2248#true} ~n := #in~n; {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:31,794 INFO L280 TraceCheckUtils]: 1: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:31,794 INFO L280 TraceCheckUtils]: 2: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:31,795 INFO L263 TraceCheckUtils]: 3: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2248#true} is VALID [2020-07-08 15:56:31,795 INFO L280 TraceCheckUtils]: 4: Hoare triple {2248#true} ~n := #in~n; {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:31,796 INFO L280 TraceCheckUtils]: 5: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:31,797 INFO L280 TraceCheckUtils]: 6: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:31,797 INFO L263 TraceCheckUtils]: 7: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2248#true} is VALID [2020-07-08 15:56:31,798 INFO L280 TraceCheckUtils]: 8: Hoare triple {2248#true} ~n := #in~n; {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:31,798 INFO L280 TraceCheckUtils]: 9: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:31,799 INFO L280 TraceCheckUtils]: 10: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {2511#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:31,799 INFO L280 TraceCheckUtils]: 11: Hoare triple {2511#(<= |fibo_#in~n| 1)} #res := 1; {2511#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:31,800 INFO L280 TraceCheckUtils]: 12: Hoare triple {2511#(<= |fibo_#in~n| 1)} assume true; {2511#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:31,802 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {2511#(<= |fibo_#in~n| 1)} {2466#(= fibo_~n |fibo_#in~n|)} #46#return; {2504#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 15:56:31,802 INFO L280 TraceCheckUtils]: 14: Hoare triple {2504#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2504#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 15:56:31,803 INFO L263 TraceCheckUtils]: 15: Hoare triple {2504#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} call #t~ret1 := fibo(~n - 2); {2248#true} is VALID [2020-07-08 15:56:31,803 INFO L280 TraceCheckUtils]: 16: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 15:56:31,803 INFO L280 TraceCheckUtils]: 17: Hoare triple {2248#true} assume ~n < 1; {2248#true} is VALID [2020-07-08 15:56:31,804 INFO L280 TraceCheckUtils]: 18: Hoare triple {2248#true} #res := 0; {2248#true} is VALID [2020-07-08 15:56:31,804 INFO L280 TraceCheckUtils]: 19: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 15:56:31,805 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {2248#true} {2504#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} #48#return; {2510#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:31,806 INFO L280 TraceCheckUtils]: 21: Hoare triple {2510#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2510#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:31,806 INFO L280 TraceCheckUtils]: 22: Hoare triple {2510#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {2510#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:31,807 INFO L280 TraceCheckUtils]: 23: Hoare triple {2510#(<= |fibo_#in~n| 2)} havoc #t~ret1; {2510#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:31,808 INFO L280 TraceCheckUtils]: 24: Hoare triple {2510#(<= |fibo_#in~n| 2)} havoc #t~ret0; {2510#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:31,808 INFO L280 TraceCheckUtils]: 25: Hoare triple {2510#(<= |fibo_#in~n| 2)} assume true; {2510#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:31,810 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {2510#(<= |fibo_#in~n| 2)} {2466#(= fibo_~n |fibo_#in~n|)} #46#return; {2490#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} is VALID [2020-07-08 15:56:31,810 INFO L280 TraceCheckUtils]: 27: Hoare triple {2490#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2490#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} is VALID [2020-07-08 15:56:31,811 INFO L263 TraceCheckUtils]: 28: Hoare triple {2490#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} call #t~ret1 := fibo(~n - 2); {2248#true} is VALID [2020-07-08 15:56:31,811 INFO L280 TraceCheckUtils]: 29: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 15:56:31,811 INFO L280 TraceCheckUtils]: 30: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 15:56:31,812 INFO L280 TraceCheckUtils]: 31: Hoare triple {2248#true} assume 1 == ~n; {2248#true} is VALID [2020-07-08 15:56:31,812 INFO L280 TraceCheckUtils]: 32: Hoare triple {2248#true} #res := 1; {2248#true} is VALID [2020-07-08 15:56:31,812 INFO L280 TraceCheckUtils]: 33: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 15:56:31,813 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {2248#true} {2490#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} #48#return; {2497#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:31,814 INFO L280 TraceCheckUtils]: 35: Hoare triple {2497#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2497#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:31,815 INFO L280 TraceCheckUtils]: 36: Hoare triple {2497#(<= |fibo_#in~n| 3)} #res := #t~ret0 + #t~ret1; {2497#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:31,815 INFO L280 TraceCheckUtils]: 37: Hoare triple {2497#(<= |fibo_#in~n| 3)} havoc #t~ret1; {2497#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:31,816 INFO L280 TraceCheckUtils]: 38: Hoare triple {2497#(<= |fibo_#in~n| 3)} havoc #t~ret0; {2497#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:31,816 INFO L280 TraceCheckUtils]: 39: Hoare triple {2497#(<= |fibo_#in~n| 3)} assume true; {2497#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:31,818 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {2497#(<= |fibo_#in~n| 3)} {2248#true} #46#return; {2406#(<= fibo_~n 4)} is VALID [2020-07-08 15:56:31,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:31,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:31,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:32,000 INFO L280 TraceCheckUtils]: 0: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 15:56:32,001 INFO L280 TraceCheckUtils]: 1: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 15:56:32,001 INFO L280 TraceCheckUtils]: 2: Hoare triple {2248#true} assume 1 == ~n; {2248#true} is VALID [2020-07-08 15:56:32,002 INFO L280 TraceCheckUtils]: 3: Hoare triple {2248#true} #res := 1; {2248#true} is VALID [2020-07-08 15:56:32,002 INFO L280 TraceCheckUtils]: 4: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 15:56:32,002 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2248#true} {2248#true} #46#return; {2248#true} is VALID [2020-07-08 15:56:32,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:32,013 INFO L280 TraceCheckUtils]: 0: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 15:56:32,014 INFO L280 TraceCheckUtils]: 1: Hoare triple {2248#true} assume ~n < 1; {2248#true} is VALID [2020-07-08 15:56:32,014 INFO L280 TraceCheckUtils]: 2: Hoare triple {2248#true} #res := 0; {2248#true} is VALID [2020-07-08 15:56:32,014 INFO L280 TraceCheckUtils]: 3: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 15:56:32,014 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2248#true} {2248#true} #48#return; {2248#true} is VALID [2020-07-08 15:56:32,014 INFO L280 TraceCheckUtils]: 0: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 15:56:32,015 INFO L280 TraceCheckUtils]: 1: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 15:56:32,015 INFO L280 TraceCheckUtils]: 2: Hoare triple {2248#true} assume !(1 == ~n); {2248#true} is VALID [2020-07-08 15:56:32,015 INFO L263 TraceCheckUtils]: 3: Hoare triple {2248#true} call #t~ret0 := fibo(~n - 1); {2248#true} is VALID [2020-07-08 15:56:32,015 INFO L280 TraceCheckUtils]: 4: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 15:56:32,015 INFO L280 TraceCheckUtils]: 5: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 15:56:32,015 INFO L280 TraceCheckUtils]: 6: Hoare triple {2248#true} assume 1 == ~n; {2248#true} is VALID [2020-07-08 15:56:32,015 INFO L280 TraceCheckUtils]: 7: Hoare triple {2248#true} #res := 1; {2248#true} is VALID [2020-07-08 15:56:32,016 INFO L280 TraceCheckUtils]: 8: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 15:56:32,016 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {2248#true} {2248#true} #46#return; {2248#true} is VALID [2020-07-08 15:56:32,016 INFO L280 TraceCheckUtils]: 10: Hoare triple {2248#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2248#true} is VALID [2020-07-08 15:56:32,016 INFO L263 TraceCheckUtils]: 11: Hoare triple {2248#true} call #t~ret1 := fibo(~n - 2); {2248#true} is VALID [2020-07-08 15:56:32,016 INFO L280 TraceCheckUtils]: 12: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 15:56:32,016 INFO L280 TraceCheckUtils]: 13: Hoare triple {2248#true} assume ~n < 1; {2248#true} is VALID [2020-07-08 15:56:32,017 INFO L280 TraceCheckUtils]: 14: Hoare triple {2248#true} #res := 0; {2248#true} is VALID [2020-07-08 15:56:32,017 INFO L280 TraceCheckUtils]: 15: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 15:56:32,017 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {2248#true} {2248#true} #48#return; {2248#true} is VALID [2020-07-08 15:56:32,017 INFO L280 TraceCheckUtils]: 17: Hoare triple {2248#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2248#true} is VALID [2020-07-08 15:56:32,017 INFO L280 TraceCheckUtils]: 18: Hoare triple {2248#true} #res := #t~ret0 + #t~ret1; {2248#true} is VALID [2020-07-08 15:56:32,017 INFO L280 TraceCheckUtils]: 19: Hoare triple {2248#true} havoc #t~ret1; {2248#true} is VALID [2020-07-08 15:56:32,017 INFO L280 TraceCheckUtils]: 20: Hoare triple {2248#true} havoc #t~ret0; {2248#true} is VALID [2020-07-08 15:56:32,018 INFO L280 TraceCheckUtils]: 21: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 15:56:32,018 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {2248#true} {2562#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #46#return; {2562#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 15:56:32,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:32,027 INFO L280 TraceCheckUtils]: 0: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 15:56:32,027 INFO L280 TraceCheckUtils]: 1: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 15:56:32,028 INFO L280 TraceCheckUtils]: 2: Hoare triple {2248#true} assume 1 == ~n; {2248#true} is VALID [2020-07-08 15:56:32,028 INFO L280 TraceCheckUtils]: 3: Hoare triple {2248#true} #res := 1; {2248#true} is VALID [2020-07-08 15:56:32,028 INFO L280 TraceCheckUtils]: 4: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 15:56:32,030 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2248#true} {2562#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #48#return; {2592#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,031 INFO L280 TraceCheckUtils]: 0: Hoare triple {2248#true} ~n := #in~n; {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,032 INFO L280 TraceCheckUtils]: 1: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2561#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-08 15:56:32,033 INFO L280 TraceCheckUtils]: 2: Hoare triple {2561#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {2562#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 15:56:32,033 INFO L263 TraceCheckUtils]: 3: Hoare triple {2562#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret0 := fibo(~n - 1); {2248#true} is VALID [2020-07-08 15:56:32,033 INFO L280 TraceCheckUtils]: 4: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 15:56:32,033 INFO L280 TraceCheckUtils]: 5: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 15:56:32,033 INFO L280 TraceCheckUtils]: 6: Hoare triple {2248#true} assume !(1 == ~n); {2248#true} is VALID [2020-07-08 15:56:32,033 INFO L263 TraceCheckUtils]: 7: Hoare triple {2248#true} call #t~ret0 := fibo(~n - 1); {2248#true} is VALID [2020-07-08 15:56:32,034 INFO L280 TraceCheckUtils]: 8: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 15:56:32,034 INFO L280 TraceCheckUtils]: 9: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 15:56:32,034 INFO L280 TraceCheckUtils]: 10: Hoare triple {2248#true} assume 1 == ~n; {2248#true} is VALID [2020-07-08 15:56:32,034 INFO L280 TraceCheckUtils]: 11: Hoare triple {2248#true} #res := 1; {2248#true} is VALID [2020-07-08 15:56:32,034 INFO L280 TraceCheckUtils]: 12: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 15:56:32,034 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {2248#true} {2248#true} #46#return; {2248#true} is VALID [2020-07-08 15:56:32,035 INFO L280 TraceCheckUtils]: 14: Hoare triple {2248#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2248#true} is VALID [2020-07-08 15:56:32,035 INFO L263 TraceCheckUtils]: 15: Hoare triple {2248#true} call #t~ret1 := fibo(~n - 2); {2248#true} is VALID [2020-07-08 15:56:32,035 INFO L280 TraceCheckUtils]: 16: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 15:56:32,035 INFO L280 TraceCheckUtils]: 17: Hoare triple {2248#true} assume ~n < 1; {2248#true} is VALID [2020-07-08 15:56:32,035 INFO L280 TraceCheckUtils]: 18: Hoare triple {2248#true} #res := 0; {2248#true} is VALID [2020-07-08 15:56:32,036 INFO L280 TraceCheckUtils]: 19: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 15:56:32,036 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {2248#true} {2248#true} #48#return; {2248#true} is VALID [2020-07-08 15:56:32,036 INFO L280 TraceCheckUtils]: 21: Hoare triple {2248#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2248#true} is VALID [2020-07-08 15:56:32,036 INFO L280 TraceCheckUtils]: 22: Hoare triple {2248#true} #res := #t~ret0 + #t~ret1; {2248#true} is VALID [2020-07-08 15:56:32,037 INFO L280 TraceCheckUtils]: 23: Hoare triple {2248#true} havoc #t~ret1; {2248#true} is VALID [2020-07-08 15:56:32,037 INFO L280 TraceCheckUtils]: 24: Hoare triple {2248#true} havoc #t~ret0; {2248#true} is VALID [2020-07-08 15:56:32,037 INFO L280 TraceCheckUtils]: 25: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 15:56:32,039 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {2248#true} {2562#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #46#return; {2562#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 15:56:32,039 INFO L280 TraceCheckUtils]: 27: Hoare triple {2562#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2562#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 15:56:32,040 INFO L263 TraceCheckUtils]: 28: Hoare triple {2562#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret1 := fibo(~n - 2); {2248#true} is VALID [2020-07-08 15:56:32,040 INFO L280 TraceCheckUtils]: 29: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 15:56:32,040 INFO L280 TraceCheckUtils]: 30: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 15:56:32,040 INFO L280 TraceCheckUtils]: 31: Hoare triple {2248#true} assume 1 == ~n; {2248#true} is VALID [2020-07-08 15:56:32,040 INFO L280 TraceCheckUtils]: 32: Hoare triple {2248#true} #res := 1; {2248#true} is VALID [2020-07-08 15:56:32,041 INFO L280 TraceCheckUtils]: 33: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 15:56:32,042 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {2248#true} {2562#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #48#return; {2592#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,043 INFO L280 TraceCheckUtils]: 35: Hoare triple {2592#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2592#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,044 INFO L280 TraceCheckUtils]: 36: Hoare triple {2592#(<= 2 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {2592#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,044 INFO L280 TraceCheckUtils]: 37: Hoare triple {2592#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {2592#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,044 INFO L280 TraceCheckUtils]: 38: Hoare triple {2592#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {2592#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,045 INFO L280 TraceCheckUtils]: 39: Hoare triple {2592#(<= 2 |fibo_#in~n|)} assume true; {2592#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,046 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {2592#(<= 2 |fibo_#in~n|)} {2466#(= fibo_~n |fibo_#in~n|)} #46#return; {2553#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} is VALID [2020-07-08 15:56:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:32,058 INFO L280 TraceCheckUtils]: 0: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 15:56:32,059 INFO L280 TraceCheckUtils]: 1: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 15:56:32,059 INFO L280 TraceCheckUtils]: 2: Hoare triple {2248#true} assume 1 == ~n; {2248#true} is VALID [2020-07-08 15:56:32,059 INFO L280 TraceCheckUtils]: 3: Hoare triple {2248#true} #res := 1; {2248#true} is VALID [2020-07-08 15:56:32,059 INFO L280 TraceCheckUtils]: 4: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 15:56:32,061 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2248#true} {2553#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} #48#return; {2560#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,061 INFO L280 TraceCheckUtils]: 0: Hoare triple {2248#true} ~n := #in~n; {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,062 INFO L280 TraceCheckUtils]: 1: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,062 INFO L280 TraceCheckUtils]: 2: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,063 INFO L263 TraceCheckUtils]: 3: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2248#true} is VALID [2020-07-08 15:56:32,063 INFO L280 TraceCheckUtils]: 4: Hoare triple {2248#true} ~n := #in~n; {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,063 INFO L280 TraceCheckUtils]: 5: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2561#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-08 15:56:32,064 INFO L280 TraceCheckUtils]: 6: Hoare triple {2561#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {2562#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 15:56:32,064 INFO L263 TraceCheckUtils]: 7: Hoare triple {2562#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret0 := fibo(~n - 1); {2248#true} is VALID [2020-07-08 15:56:32,064 INFO L280 TraceCheckUtils]: 8: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 15:56:32,064 INFO L280 TraceCheckUtils]: 9: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 15:56:32,065 INFO L280 TraceCheckUtils]: 10: Hoare triple {2248#true} assume !(1 == ~n); {2248#true} is VALID [2020-07-08 15:56:32,065 INFO L263 TraceCheckUtils]: 11: Hoare triple {2248#true} call #t~ret0 := fibo(~n - 1); {2248#true} is VALID [2020-07-08 15:56:32,065 INFO L280 TraceCheckUtils]: 12: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 15:56:32,065 INFO L280 TraceCheckUtils]: 13: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 15:56:32,065 INFO L280 TraceCheckUtils]: 14: Hoare triple {2248#true} assume 1 == ~n; {2248#true} is VALID [2020-07-08 15:56:32,066 INFO L280 TraceCheckUtils]: 15: Hoare triple {2248#true} #res := 1; {2248#true} is VALID [2020-07-08 15:56:32,066 INFO L280 TraceCheckUtils]: 16: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 15:56:32,066 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {2248#true} {2248#true} #46#return; {2248#true} is VALID [2020-07-08 15:56:32,066 INFO L280 TraceCheckUtils]: 18: Hoare triple {2248#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2248#true} is VALID [2020-07-08 15:56:32,066 INFO L263 TraceCheckUtils]: 19: Hoare triple {2248#true} call #t~ret1 := fibo(~n - 2); {2248#true} is VALID [2020-07-08 15:56:32,066 INFO L280 TraceCheckUtils]: 20: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 15:56:32,066 INFO L280 TraceCheckUtils]: 21: Hoare triple {2248#true} assume ~n < 1; {2248#true} is VALID [2020-07-08 15:56:32,067 INFO L280 TraceCheckUtils]: 22: Hoare triple {2248#true} #res := 0; {2248#true} is VALID [2020-07-08 15:56:32,067 INFO L280 TraceCheckUtils]: 23: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 15:56:32,067 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {2248#true} {2248#true} #48#return; {2248#true} is VALID [2020-07-08 15:56:32,067 INFO L280 TraceCheckUtils]: 25: Hoare triple {2248#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2248#true} is VALID [2020-07-08 15:56:32,067 INFO L280 TraceCheckUtils]: 26: Hoare triple {2248#true} #res := #t~ret0 + #t~ret1; {2248#true} is VALID [2020-07-08 15:56:32,067 INFO L280 TraceCheckUtils]: 27: Hoare triple {2248#true} havoc #t~ret1; {2248#true} is VALID [2020-07-08 15:56:32,067 INFO L280 TraceCheckUtils]: 28: Hoare triple {2248#true} havoc #t~ret0; {2248#true} is VALID [2020-07-08 15:56:32,068 INFO L280 TraceCheckUtils]: 29: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 15:56:32,068 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {2248#true} {2562#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #46#return; {2562#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 15:56:32,069 INFO L280 TraceCheckUtils]: 31: Hoare triple {2562#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2562#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 15:56:32,069 INFO L263 TraceCheckUtils]: 32: Hoare triple {2562#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret1 := fibo(~n - 2); {2248#true} is VALID [2020-07-08 15:56:32,069 INFO L280 TraceCheckUtils]: 33: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 15:56:32,069 INFO L280 TraceCheckUtils]: 34: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 15:56:32,069 INFO L280 TraceCheckUtils]: 35: Hoare triple {2248#true} assume 1 == ~n; {2248#true} is VALID [2020-07-08 15:56:32,069 INFO L280 TraceCheckUtils]: 36: Hoare triple {2248#true} #res := 1; {2248#true} is VALID [2020-07-08 15:56:32,070 INFO L280 TraceCheckUtils]: 37: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 15:56:32,070 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {2248#true} {2562#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #48#return; {2592#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,071 INFO L280 TraceCheckUtils]: 39: Hoare triple {2592#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2592#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,071 INFO L280 TraceCheckUtils]: 40: Hoare triple {2592#(<= 2 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {2592#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,072 INFO L280 TraceCheckUtils]: 41: Hoare triple {2592#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {2592#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,072 INFO L280 TraceCheckUtils]: 42: Hoare triple {2592#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {2592#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,072 INFO L280 TraceCheckUtils]: 43: Hoare triple {2592#(<= 2 |fibo_#in~n|)} assume true; {2592#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,073 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {2592#(<= 2 |fibo_#in~n|)} {2466#(= fibo_~n |fibo_#in~n|)} #46#return; {2553#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} is VALID [2020-07-08 15:56:32,074 INFO L280 TraceCheckUtils]: 45: Hoare triple {2553#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2553#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} is VALID [2020-07-08 15:56:32,074 INFO L263 TraceCheckUtils]: 46: Hoare triple {2553#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} call #t~ret1 := fibo(~n - 2); {2248#true} is VALID [2020-07-08 15:56:32,074 INFO L280 TraceCheckUtils]: 47: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 15:56:32,074 INFO L280 TraceCheckUtils]: 48: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 15:56:32,075 INFO L280 TraceCheckUtils]: 49: Hoare triple {2248#true} assume 1 == ~n; {2248#true} is VALID [2020-07-08 15:56:32,075 INFO L280 TraceCheckUtils]: 50: Hoare triple {2248#true} #res := 1; {2248#true} is VALID [2020-07-08 15:56:32,075 INFO L280 TraceCheckUtils]: 51: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 15:56:32,078 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {2248#true} {2553#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} #48#return; {2560#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,078 INFO L280 TraceCheckUtils]: 53: Hoare triple {2560#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2560#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,079 INFO L280 TraceCheckUtils]: 54: Hoare triple {2560#(<= 3 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {2560#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,079 INFO L280 TraceCheckUtils]: 55: Hoare triple {2560#(<= 3 |fibo_#in~n|)} havoc #t~ret1; {2560#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,079 INFO L280 TraceCheckUtils]: 56: Hoare triple {2560#(<= 3 |fibo_#in~n|)} havoc #t~ret0; {2560#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,080 INFO L280 TraceCheckUtils]: 57: Hoare triple {2560#(<= 3 |fibo_#in~n|)} assume true; {2560#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,080 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {2560#(<= 3 |fibo_#in~n|)} {2406#(<= fibo_~n 4)} #48#return; {2249#false} is VALID [2020-07-08 15:56:32,083 INFO L280 TraceCheckUtils]: 0: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 15:56:32,083 INFO L280 TraceCheckUtils]: 1: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 15:56:32,083 INFO L280 TraceCheckUtils]: 2: Hoare triple {2248#true} assume !(1 == ~n); {2248#true} is VALID [2020-07-08 15:56:32,083 INFO L263 TraceCheckUtils]: 3: Hoare triple {2248#true} call #t~ret0 := fibo(~n - 1); {2248#true} is VALID [2020-07-08 15:56:32,083 INFO L280 TraceCheckUtils]: 4: Hoare triple {2248#true} ~n := #in~n; {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,084 INFO L280 TraceCheckUtils]: 5: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,084 INFO L280 TraceCheckUtils]: 6: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,084 INFO L263 TraceCheckUtils]: 7: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2248#true} is VALID [2020-07-08 15:56:32,085 INFO L280 TraceCheckUtils]: 8: Hoare triple {2248#true} ~n := #in~n; {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,085 INFO L280 TraceCheckUtils]: 9: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,085 INFO L280 TraceCheckUtils]: 10: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,086 INFO L263 TraceCheckUtils]: 11: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2248#true} is VALID [2020-07-08 15:56:32,086 INFO L280 TraceCheckUtils]: 12: Hoare triple {2248#true} ~n := #in~n; {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,086 INFO L280 TraceCheckUtils]: 13: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,087 INFO L280 TraceCheckUtils]: 14: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {2511#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:32,087 INFO L280 TraceCheckUtils]: 15: Hoare triple {2511#(<= |fibo_#in~n| 1)} #res := 1; {2511#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:32,088 INFO L280 TraceCheckUtils]: 16: Hoare triple {2511#(<= |fibo_#in~n| 1)} assume true; {2511#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:32,088 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {2511#(<= |fibo_#in~n| 1)} {2466#(= fibo_~n |fibo_#in~n|)} #46#return; {2504#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 15:56:32,089 INFO L280 TraceCheckUtils]: 18: Hoare triple {2504#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2504#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 15:56:32,089 INFO L263 TraceCheckUtils]: 19: Hoare triple {2504#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} call #t~ret1 := fibo(~n - 2); {2248#true} is VALID [2020-07-08 15:56:32,089 INFO L280 TraceCheckUtils]: 20: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 15:56:32,089 INFO L280 TraceCheckUtils]: 21: Hoare triple {2248#true} assume ~n < 1; {2248#true} is VALID [2020-07-08 15:56:32,089 INFO L280 TraceCheckUtils]: 22: Hoare triple {2248#true} #res := 0; {2248#true} is VALID [2020-07-08 15:56:32,090 INFO L280 TraceCheckUtils]: 23: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 15:56:32,096 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {2248#true} {2504#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} #48#return; {2510#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:32,096 INFO L280 TraceCheckUtils]: 25: Hoare triple {2510#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2510#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:32,097 INFO L280 TraceCheckUtils]: 26: Hoare triple {2510#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {2510#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:32,097 INFO L280 TraceCheckUtils]: 27: Hoare triple {2510#(<= |fibo_#in~n| 2)} havoc #t~ret1; {2510#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:32,098 INFO L280 TraceCheckUtils]: 28: Hoare triple {2510#(<= |fibo_#in~n| 2)} havoc #t~ret0; {2510#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:32,098 INFO L280 TraceCheckUtils]: 29: Hoare triple {2510#(<= |fibo_#in~n| 2)} assume true; {2510#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:32,100 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {2510#(<= |fibo_#in~n| 2)} {2466#(= fibo_~n |fibo_#in~n|)} #46#return; {2490#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} is VALID [2020-07-08 15:56:32,100 INFO L280 TraceCheckUtils]: 31: Hoare triple {2490#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2490#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} is VALID [2020-07-08 15:56:32,101 INFO L263 TraceCheckUtils]: 32: Hoare triple {2490#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} call #t~ret1 := fibo(~n - 2); {2248#true} is VALID [2020-07-08 15:56:32,101 INFO L280 TraceCheckUtils]: 33: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 15:56:32,101 INFO L280 TraceCheckUtils]: 34: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 15:56:32,101 INFO L280 TraceCheckUtils]: 35: Hoare triple {2248#true} assume 1 == ~n; {2248#true} is VALID [2020-07-08 15:56:32,101 INFO L280 TraceCheckUtils]: 36: Hoare triple {2248#true} #res := 1; {2248#true} is VALID [2020-07-08 15:56:32,101 INFO L280 TraceCheckUtils]: 37: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 15:56:32,102 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {2248#true} {2490#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} #48#return; {2497#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:32,103 INFO L280 TraceCheckUtils]: 39: Hoare triple {2497#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2497#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:32,103 INFO L280 TraceCheckUtils]: 40: Hoare triple {2497#(<= |fibo_#in~n| 3)} #res := #t~ret0 + #t~ret1; {2497#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:32,104 INFO L280 TraceCheckUtils]: 41: Hoare triple {2497#(<= |fibo_#in~n| 3)} havoc #t~ret1; {2497#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:32,104 INFO L280 TraceCheckUtils]: 42: Hoare triple {2497#(<= |fibo_#in~n| 3)} havoc #t~ret0; {2497#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:32,105 INFO L280 TraceCheckUtils]: 43: Hoare triple {2497#(<= |fibo_#in~n| 3)} assume true; {2497#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:32,106 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {2497#(<= |fibo_#in~n| 3)} {2248#true} #46#return; {2406#(<= fibo_~n 4)} is VALID [2020-07-08 15:56:32,106 INFO L280 TraceCheckUtils]: 45: Hoare triple {2406#(<= fibo_~n 4)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2406#(<= fibo_~n 4)} is VALID [2020-07-08 15:56:32,107 INFO L263 TraceCheckUtils]: 46: Hoare triple {2406#(<= fibo_~n 4)} call #t~ret1 := fibo(~n - 2); {2248#true} is VALID [2020-07-08 15:56:32,107 INFO L280 TraceCheckUtils]: 47: Hoare triple {2248#true} ~n := #in~n; {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,108 INFO L280 TraceCheckUtils]: 48: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,108 INFO L280 TraceCheckUtils]: 49: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,108 INFO L263 TraceCheckUtils]: 50: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2248#true} is VALID [2020-07-08 15:56:32,109 INFO L280 TraceCheckUtils]: 51: Hoare triple {2248#true} ~n := #in~n; {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,109 INFO L280 TraceCheckUtils]: 52: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2561#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-08 15:56:32,110 INFO L280 TraceCheckUtils]: 53: Hoare triple {2561#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {2562#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 15:56:32,110 INFO L263 TraceCheckUtils]: 54: Hoare triple {2562#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret0 := fibo(~n - 1); {2248#true} is VALID [2020-07-08 15:56:32,111 INFO L280 TraceCheckUtils]: 55: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 15:56:32,111 INFO L280 TraceCheckUtils]: 56: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 15:56:32,111 INFO L280 TraceCheckUtils]: 57: Hoare triple {2248#true} assume !(1 == ~n); {2248#true} is VALID [2020-07-08 15:56:32,111 INFO L263 TraceCheckUtils]: 58: Hoare triple {2248#true} call #t~ret0 := fibo(~n - 1); {2248#true} is VALID [2020-07-08 15:56:32,111 INFO L280 TraceCheckUtils]: 59: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 15:56:32,112 INFO L280 TraceCheckUtils]: 60: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 15:56:32,112 INFO L280 TraceCheckUtils]: 61: Hoare triple {2248#true} assume 1 == ~n; {2248#true} is VALID [2020-07-08 15:56:32,112 INFO L280 TraceCheckUtils]: 62: Hoare triple {2248#true} #res := 1; {2248#true} is VALID [2020-07-08 15:56:32,112 INFO L280 TraceCheckUtils]: 63: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 15:56:32,112 INFO L275 TraceCheckUtils]: 64: Hoare quadruple {2248#true} {2248#true} #46#return; {2248#true} is VALID [2020-07-08 15:56:32,112 INFO L280 TraceCheckUtils]: 65: Hoare triple {2248#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2248#true} is VALID [2020-07-08 15:56:32,113 INFO L263 TraceCheckUtils]: 66: Hoare triple {2248#true} call #t~ret1 := fibo(~n - 2); {2248#true} is VALID [2020-07-08 15:56:32,113 INFO L280 TraceCheckUtils]: 67: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 15:56:32,113 INFO L280 TraceCheckUtils]: 68: Hoare triple {2248#true} assume ~n < 1; {2248#true} is VALID [2020-07-08 15:56:32,113 INFO L280 TraceCheckUtils]: 69: Hoare triple {2248#true} #res := 0; {2248#true} is VALID [2020-07-08 15:56:32,113 INFO L280 TraceCheckUtils]: 70: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 15:56:32,113 INFO L275 TraceCheckUtils]: 71: Hoare quadruple {2248#true} {2248#true} #48#return; {2248#true} is VALID [2020-07-08 15:56:32,113 INFO L280 TraceCheckUtils]: 72: Hoare triple {2248#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2248#true} is VALID [2020-07-08 15:56:32,113 INFO L280 TraceCheckUtils]: 73: Hoare triple {2248#true} #res := #t~ret0 + #t~ret1; {2248#true} is VALID [2020-07-08 15:56:32,114 INFO L280 TraceCheckUtils]: 74: Hoare triple {2248#true} havoc #t~ret1; {2248#true} is VALID [2020-07-08 15:56:32,114 INFO L280 TraceCheckUtils]: 75: Hoare triple {2248#true} havoc #t~ret0; {2248#true} is VALID [2020-07-08 15:56:32,114 INFO L280 TraceCheckUtils]: 76: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 15:56:32,114 INFO L275 TraceCheckUtils]: 77: Hoare quadruple {2248#true} {2562#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #46#return; {2562#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 15:56:32,115 INFO L280 TraceCheckUtils]: 78: Hoare triple {2562#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2562#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 15:56:32,115 INFO L263 TraceCheckUtils]: 79: Hoare triple {2562#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret1 := fibo(~n - 2); {2248#true} is VALID [2020-07-08 15:56:32,115 INFO L280 TraceCheckUtils]: 80: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 15:56:32,115 INFO L280 TraceCheckUtils]: 81: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 15:56:32,116 INFO L280 TraceCheckUtils]: 82: Hoare triple {2248#true} assume 1 == ~n; {2248#true} is VALID [2020-07-08 15:56:32,116 INFO L280 TraceCheckUtils]: 83: Hoare triple {2248#true} #res := 1; {2248#true} is VALID [2020-07-08 15:56:32,116 INFO L280 TraceCheckUtils]: 84: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 15:56:32,117 INFO L275 TraceCheckUtils]: 85: Hoare quadruple {2248#true} {2562#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #48#return; {2592#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,117 INFO L280 TraceCheckUtils]: 86: Hoare triple {2592#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2592#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,117 INFO L280 TraceCheckUtils]: 87: Hoare triple {2592#(<= 2 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {2592#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,118 INFO L280 TraceCheckUtils]: 88: Hoare triple {2592#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {2592#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,118 INFO L280 TraceCheckUtils]: 89: Hoare triple {2592#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {2592#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,118 INFO L280 TraceCheckUtils]: 90: Hoare triple {2592#(<= 2 |fibo_#in~n|)} assume true; {2592#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,119 INFO L275 TraceCheckUtils]: 91: Hoare quadruple {2592#(<= 2 |fibo_#in~n|)} {2466#(= fibo_~n |fibo_#in~n|)} #46#return; {2553#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} is VALID [2020-07-08 15:56:32,120 INFO L280 TraceCheckUtils]: 92: Hoare triple {2553#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2553#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} is VALID [2020-07-08 15:56:32,120 INFO L263 TraceCheckUtils]: 93: Hoare triple {2553#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} call #t~ret1 := fibo(~n - 2); {2248#true} is VALID [2020-07-08 15:56:32,120 INFO L280 TraceCheckUtils]: 94: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 15:56:32,120 INFO L280 TraceCheckUtils]: 95: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 15:56:32,120 INFO L280 TraceCheckUtils]: 96: Hoare triple {2248#true} assume 1 == ~n; {2248#true} is VALID [2020-07-08 15:56:32,121 INFO L280 TraceCheckUtils]: 97: Hoare triple {2248#true} #res := 1; {2248#true} is VALID [2020-07-08 15:56:32,121 INFO L280 TraceCheckUtils]: 98: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 15:56:32,122 INFO L275 TraceCheckUtils]: 99: Hoare quadruple {2248#true} {2553#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} #48#return; {2560#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,127 INFO L280 TraceCheckUtils]: 100: Hoare triple {2560#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2560#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,128 INFO L280 TraceCheckUtils]: 101: Hoare triple {2560#(<= 3 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {2560#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,128 INFO L280 TraceCheckUtils]: 102: Hoare triple {2560#(<= 3 |fibo_#in~n|)} havoc #t~ret1; {2560#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,129 INFO L280 TraceCheckUtils]: 103: Hoare triple {2560#(<= 3 |fibo_#in~n|)} havoc #t~ret0; {2560#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,130 INFO L280 TraceCheckUtils]: 104: Hoare triple {2560#(<= 3 |fibo_#in~n|)} assume true; {2560#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,131 INFO L275 TraceCheckUtils]: 105: Hoare quadruple {2560#(<= 3 |fibo_#in~n|)} {2406#(<= fibo_~n 4)} #48#return; {2249#false} is VALID [2020-07-08 15:56:32,131 INFO L280 TraceCheckUtils]: 106: Hoare triple {2249#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2249#false} is VALID [2020-07-08 15:56:32,131 INFO L280 TraceCheckUtils]: 107: Hoare triple {2249#false} #res := #t~ret0 + #t~ret1; {2249#false} is VALID [2020-07-08 15:56:32,131 INFO L280 TraceCheckUtils]: 108: Hoare triple {2249#false} havoc #t~ret1; {2249#false} is VALID [2020-07-08 15:56:32,131 INFO L280 TraceCheckUtils]: 109: Hoare triple {2249#false} havoc #t~ret0; {2249#false} is VALID [2020-07-08 15:56:32,132 INFO L280 TraceCheckUtils]: 110: Hoare triple {2249#false} assume true; {2249#false} is VALID [2020-07-08 15:56:32,132 INFO L275 TraceCheckUtils]: 111: Hoare quadruple {2249#false} {2252#(<= 5 main_~x~0)} #44#return; {2249#false} is VALID [2020-07-08 15:56:32,141 INFO L263 TraceCheckUtils]: 0: Hoare triple {2248#true} call ULTIMATE.init(); {2248#true} is VALID [2020-07-08 15:56:32,141 INFO L280 TraceCheckUtils]: 1: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 15:56:32,142 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2248#true} {2248#true} #40#return; {2248#true} is VALID [2020-07-08 15:56:32,142 INFO L263 TraceCheckUtils]: 3: Hoare triple {2248#true} call #t~ret3 := main(); {2248#true} is VALID [2020-07-08 15:56:32,142 INFO L280 TraceCheckUtils]: 4: Hoare triple {2248#true} ~x~0 := 5; {2252#(<= 5 main_~x~0)} is VALID [2020-07-08 15:56:32,143 INFO L263 TraceCheckUtils]: 5: Hoare triple {2252#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {2248#true} is VALID [2020-07-08 15:56:32,143 INFO L280 TraceCheckUtils]: 6: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 15:56:32,143 INFO L280 TraceCheckUtils]: 7: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 15:56:32,143 INFO L280 TraceCheckUtils]: 8: Hoare triple {2248#true} assume !(1 == ~n); {2248#true} is VALID [2020-07-08 15:56:32,143 INFO L263 TraceCheckUtils]: 9: Hoare triple {2248#true} call #t~ret0 := fibo(~n - 1); {2248#true} is VALID [2020-07-08 15:56:32,146 INFO L280 TraceCheckUtils]: 10: Hoare triple {2248#true} ~n := #in~n; {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,147 INFO L280 TraceCheckUtils]: 11: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,147 INFO L280 TraceCheckUtils]: 12: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,148 INFO L263 TraceCheckUtils]: 13: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2248#true} is VALID [2020-07-08 15:56:32,148 INFO L280 TraceCheckUtils]: 14: Hoare triple {2248#true} ~n := #in~n; {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,149 INFO L280 TraceCheckUtils]: 15: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,149 INFO L280 TraceCheckUtils]: 16: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,149 INFO L263 TraceCheckUtils]: 17: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2248#true} is VALID [2020-07-08 15:56:32,150 INFO L280 TraceCheckUtils]: 18: Hoare triple {2248#true} ~n := #in~n; {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,150 INFO L280 TraceCheckUtils]: 19: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,151 INFO L280 TraceCheckUtils]: 20: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {2511#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:32,151 INFO L280 TraceCheckUtils]: 21: Hoare triple {2511#(<= |fibo_#in~n| 1)} #res := 1; {2511#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:32,152 INFO L280 TraceCheckUtils]: 22: Hoare triple {2511#(<= |fibo_#in~n| 1)} assume true; {2511#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:32,153 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {2511#(<= |fibo_#in~n| 1)} {2466#(= fibo_~n |fibo_#in~n|)} #46#return; {2504#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 15:56:32,153 INFO L280 TraceCheckUtils]: 24: Hoare triple {2504#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2504#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 15:56:32,154 INFO L263 TraceCheckUtils]: 25: Hoare triple {2504#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} call #t~ret1 := fibo(~n - 2); {2248#true} is VALID [2020-07-08 15:56:32,154 INFO L280 TraceCheckUtils]: 26: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 15:56:32,154 INFO L280 TraceCheckUtils]: 27: Hoare triple {2248#true} assume ~n < 1; {2248#true} is VALID [2020-07-08 15:56:32,154 INFO L280 TraceCheckUtils]: 28: Hoare triple {2248#true} #res := 0; {2248#true} is VALID [2020-07-08 15:56:32,154 INFO L280 TraceCheckUtils]: 29: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 15:56:32,155 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {2248#true} {2504#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} #48#return; {2510#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:32,156 INFO L280 TraceCheckUtils]: 31: Hoare triple {2510#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2510#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:32,156 INFO L280 TraceCheckUtils]: 32: Hoare triple {2510#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {2510#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:32,157 INFO L280 TraceCheckUtils]: 33: Hoare triple {2510#(<= |fibo_#in~n| 2)} havoc #t~ret1; {2510#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:32,157 INFO L280 TraceCheckUtils]: 34: Hoare triple {2510#(<= |fibo_#in~n| 2)} havoc #t~ret0; {2510#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:32,157 INFO L280 TraceCheckUtils]: 35: Hoare triple {2510#(<= |fibo_#in~n| 2)} assume true; {2510#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:32,159 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {2510#(<= |fibo_#in~n| 2)} {2466#(= fibo_~n |fibo_#in~n|)} #46#return; {2490#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} is VALID [2020-07-08 15:56:32,159 INFO L280 TraceCheckUtils]: 37: Hoare triple {2490#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2490#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} is VALID [2020-07-08 15:56:32,159 INFO L263 TraceCheckUtils]: 38: Hoare triple {2490#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} call #t~ret1 := fibo(~n - 2); {2248#true} is VALID [2020-07-08 15:56:32,160 INFO L280 TraceCheckUtils]: 39: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 15:56:32,160 INFO L280 TraceCheckUtils]: 40: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 15:56:32,160 INFO L280 TraceCheckUtils]: 41: Hoare triple {2248#true} assume 1 == ~n; {2248#true} is VALID [2020-07-08 15:56:32,160 INFO L280 TraceCheckUtils]: 42: Hoare triple {2248#true} #res := 1; {2248#true} is VALID [2020-07-08 15:56:32,160 INFO L280 TraceCheckUtils]: 43: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 15:56:32,165 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {2248#true} {2490#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} #48#return; {2497#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:32,165 INFO L280 TraceCheckUtils]: 45: Hoare triple {2497#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2497#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:32,166 INFO L280 TraceCheckUtils]: 46: Hoare triple {2497#(<= |fibo_#in~n| 3)} #res := #t~ret0 + #t~ret1; {2497#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:32,166 INFO L280 TraceCheckUtils]: 47: Hoare triple {2497#(<= |fibo_#in~n| 3)} havoc #t~ret1; {2497#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:32,167 INFO L280 TraceCheckUtils]: 48: Hoare triple {2497#(<= |fibo_#in~n| 3)} havoc #t~ret0; {2497#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:32,167 INFO L280 TraceCheckUtils]: 49: Hoare triple {2497#(<= |fibo_#in~n| 3)} assume true; {2497#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:32,168 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {2497#(<= |fibo_#in~n| 3)} {2248#true} #46#return; {2406#(<= fibo_~n 4)} is VALID [2020-07-08 15:56:32,169 INFO L280 TraceCheckUtils]: 51: Hoare triple {2406#(<= fibo_~n 4)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2406#(<= fibo_~n 4)} is VALID [2020-07-08 15:56:32,169 INFO L263 TraceCheckUtils]: 52: Hoare triple {2406#(<= fibo_~n 4)} call #t~ret1 := fibo(~n - 2); {2248#true} is VALID [2020-07-08 15:56:32,169 INFO L280 TraceCheckUtils]: 53: Hoare triple {2248#true} ~n := #in~n; {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,170 INFO L280 TraceCheckUtils]: 54: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,170 INFO L280 TraceCheckUtils]: 55: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,170 INFO L263 TraceCheckUtils]: 56: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2248#true} is VALID [2020-07-08 15:56:32,171 INFO L280 TraceCheckUtils]: 57: Hoare triple {2248#true} ~n := #in~n; {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,172 INFO L280 TraceCheckUtils]: 58: Hoare triple {2466#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2561#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-08 15:56:32,172 INFO L280 TraceCheckUtils]: 59: Hoare triple {2561#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {2562#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 15:56:32,173 INFO L263 TraceCheckUtils]: 60: Hoare triple {2562#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret0 := fibo(~n - 1); {2248#true} is VALID [2020-07-08 15:56:32,173 INFO L280 TraceCheckUtils]: 61: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 15:56:32,173 INFO L280 TraceCheckUtils]: 62: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 15:56:32,173 INFO L280 TraceCheckUtils]: 63: Hoare triple {2248#true} assume !(1 == ~n); {2248#true} is VALID [2020-07-08 15:56:32,173 INFO L263 TraceCheckUtils]: 64: Hoare triple {2248#true} call #t~ret0 := fibo(~n - 1); {2248#true} is VALID [2020-07-08 15:56:32,173 INFO L280 TraceCheckUtils]: 65: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 15:56:32,174 INFO L280 TraceCheckUtils]: 66: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 15:56:32,174 INFO L280 TraceCheckUtils]: 67: Hoare triple {2248#true} assume 1 == ~n; {2248#true} is VALID [2020-07-08 15:56:32,174 INFO L280 TraceCheckUtils]: 68: Hoare triple {2248#true} #res := 1; {2248#true} is VALID [2020-07-08 15:56:32,174 INFO L280 TraceCheckUtils]: 69: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 15:56:32,174 INFO L275 TraceCheckUtils]: 70: Hoare quadruple {2248#true} {2248#true} #46#return; {2248#true} is VALID [2020-07-08 15:56:32,175 INFO L280 TraceCheckUtils]: 71: Hoare triple {2248#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2248#true} is VALID [2020-07-08 15:56:32,175 INFO L263 TraceCheckUtils]: 72: Hoare triple {2248#true} call #t~ret1 := fibo(~n - 2); {2248#true} is VALID [2020-07-08 15:56:32,175 INFO L280 TraceCheckUtils]: 73: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 15:56:32,175 INFO L280 TraceCheckUtils]: 74: Hoare triple {2248#true} assume ~n < 1; {2248#true} is VALID [2020-07-08 15:56:32,175 INFO L280 TraceCheckUtils]: 75: Hoare triple {2248#true} #res := 0; {2248#true} is VALID [2020-07-08 15:56:32,175 INFO L280 TraceCheckUtils]: 76: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 15:56:32,176 INFO L275 TraceCheckUtils]: 77: Hoare quadruple {2248#true} {2248#true} #48#return; {2248#true} is VALID [2020-07-08 15:56:32,176 INFO L280 TraceCheckUtils]: 78: Hoare triple {2248#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2248#true} is VALID [2020-07-08 15:56:32,176 INFO L280 TraceCheckUtils]: 79: Hoare triple {2248#true} #res := #t~ret0 + #t~ret1; {2248#true} is VALID [2020-07-08 15:56:32,176 INFO L280 TraceCheckUtils]: 80: Hoare triple {2248#true} havoc #t~ret1; {2248#true} is VALID [2020-07-08 15:56:32,176 INFO L280 TraceCheckUtils]: 81: Hoare triple {2248#true} havoc #t~ret0; {2248#true} is VALID [2020-07-08 15:56:32,177 INFO L280 TraceCheckUtils]: 82: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 15:56:32,177 INFO L275 TraceCheckUtils]: 83: Hoare quadruple {2248#true} {2562#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #46#return; {2562#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 15:56:32,178 INFO L280 TraceCheckUtils]: 84: Hoare triple {2562#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2562#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 15:56:32,178 INFO L263 TraceCheckUtils]: 85: Hoare triple {2562#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret1 := fibo(~n - 2); {2248#true} is VALID [2020-07-08 15:56:32,178 INFO L280 TraceCheckUtils]: 86: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 15:56:32,179 INFO L280 TraceCheckUtils]: 87: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 15:56:32,179 INFO L280 TraceCheckUtils]: 88: Hoare triple {2248#true} assume 1 == ~n; {2248#true} is VALID [2020-07-08 15:56:32,179 INFO L280 TraceCheckUtils]: 89: Hoare triple {2248#true} #res := 1; {2248#true} is VALID [2020-07-08 15:56:32,179 INFO L280 TraceCheckUtils]: 90: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 15:56:32,180 INFO L275 TraceCheckUtils]: 91: Hoare quadruple {2248#true} {2562#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #48#return; {2592#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,181 INFO L280 TraceCheckUtils]: 92: Hoare triple {2592#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2592#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,181 INFO L280 TraceCheckUtils]: 93: Hoare triple {2592#(<= 2 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {2592#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,182 INFO L280 TraceCheckUtils]: 94: Hoare triple {2592#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {2592#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,182 INFO L280 TraceCheckUtils]: 95: Hoare triple {2592#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {2592#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,183 INFO L280 TraceCheckUtils]: 96: Hoare triple {2592#(<= 2 |fibo_#in~n|)} assume true; {2592#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,184 INFO L275 TraceCheckUtils]: 97: Hoare quadruple {2592#(<= 2 |fibo_#in~n|)} {2466#(= fibo_~n |fibo_#in~n|)} #46#return; {2553#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} is VALID [2020-07-08 15:56:32,184 INFO L280 TraceCheckUtils]: 98: Hoare triple {2553#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2553#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} is VALID [2020-07-08 15:56:32,184 INFO L263 TraceCheckUtils]: 99: Hoare triple {2553#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} call #t~ret1 := fibo(~n - 2); {2248#true} is VALID [2020-07-08 15:56:32,185 INFO L280 TraceCheckUtils]: 100: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 15:56:32,185 INFO L280 TraceCheckUtils]: 101: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 15:56:32,185 INFO L280 TraceCheckUtils]: 102: Hoare triple {2248#true} assume 1 == ~n; {2248#true} is VALID [2020-07-08 15:56:32,186 INFO L280 TraceCheckUtils]: 103: Hoare triple {2248#true} #res := 1; {2248#true} is VALID [2020-07-08 15:56:32,186 INFO L280 TraceCheckUtils]: 104: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 15:56:32,187 INFO L275 TraceCheckUtils]: 105: Hoare quadruple {2248#true} {2553#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} #48#return; {2560#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,188 INFO L280 TraceCheckUtils]: 106: Hoare triple {2560#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2560#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,188 INFO L280 TraceCheckUtils]: 107: Hoare triple {2560#(<= 3 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {2560#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,189 INFO L280 TraceCheckUtils]: 108: Hoare triple {2560#(<= 3 |fibo_#in~n|)} havoc #t~ret1; {2560#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,189 INFO L280 TraceCheckUtils]: 109: Hoare triple {2560#(<= 3 |fibo_#in~n|)} havoc #t~ret0; {2560#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,190 INFO L280 TraceCheckUtils]: 110: Hoare triple {2560#(<= 3 |fibo_#in~n|)} assume true; {2560#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:32,191 INFO L275 TraceCheckUtils]: 111: Hoare quadruple {2560#(<= 3 |fibo_#in~n|)} {2406#(<= fibo_~n 4)} #48#return; {2249#false} is VALID [2020-07-08 15:56:32,191 INFO L280 TraceCheckUtils]: 112: Hoare triple {2249#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2249#false} is VALID [2020-07-08 15:56:32,191 INFO L280 TraceCheckUtils]: 113: Hoare triple {2249#false} #res := #t~ret0 + #t~ret1; {2249#false} is VALID [2020-07-08 15:56:32,191 INFO L280 TraceCheckUtils]: 114: Hoare triple {2249#false} havoc #t~ret1; {2249#false} is VALID [2020-07-08 15:56:32,191 INFO L280 TraceCheckUtils]: 115: Hoare triple {2249#false} havoc #t~ret0; {2249#false} is VALID [2020-07-08 15:56:32,191 INFO L280 TraceCheckUtils]: 116: Hoare triple {2249#false} assume true; {2249#false} is VALID [2020-07-08 15:56:32,192 INFO L275 TraceCheckUtils]: 117: Hoare quadruple {2249#false} {2252#(<= 5 main_~x~0)} #44#return; {2249#false} is VALID [2020-07-08 15:56:32,192 INFO L280 TraceCheckUtils]: 118: Hoare triple {2249#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {2249#false} is VALID [2020-07-08 15:56:32,192 INFO L280 TraceCheckUtils]: 119: Hoare triple {2249#false} ~result~0 := #t~ret2; {2249#false} is VALID [2020-07-08 15:56:32,192 INFO L280 TraceCheckUtils]: 120: Hoare triple {2249#false} havoc #t~ret2; {2249#false} is VALID [2020-07-08 15:56:32,192 INFO L280 TraceCheckUtils]: 121: Hoare triple {2249#false} assume 5 == ~result~0; {2249#false} is VALID [2020-07-08 15:56:32,193 INFO L280 TraceCheckUtils]: 122: Hoare triple {2249#false} assume !false; {2249#false} is VALID [2020-07-08 15:56:32,203 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 17 proven. 70 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-07-08 15:56:32,203 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 15:56:32,203 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1998456254] [2020-07-08 15:56:32,204 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 15:56:32,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-07-08 15:56:32,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542655584] [2020-07-08 15:56:32,205 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 123 [2020-07-08 15:56:32,213 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 15:56:32,214 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states. [2020-07-08 15:56:32,298 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 84 edges. 84 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:56:32,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-08 15:56:32,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 15:56:32,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-08 15:56:32,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2020-07-08 15:56:32,300 INFO L87 Difference]: Start difference. First operand 77 states and 103 transitions. Second operand 15 states. [2020-07-08 15:56:33,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:56:33,295 INFO L93 Difference]: Finished difference Result 142 states and 213 transitions. [2020-07-08 15:56:33,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-08 15:56:33,295 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 123 [2020-07-08 15:56:33,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 15:56:33,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-08 15:56:33,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 121 transitions. [2020-07-08 15:56:33,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-08 15:56:33,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 121 transitions. [2020-07-08 15:56:33,304 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 18 states and 121 transitions. [2020-07-08 15:56:33,448 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 121 edges. 121 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:56:33,453 INFO L225 Difference]: With dead ends: 142 [2020-07-08 15:56:33,454 INFO L226 Difference]: Without dead ends: 73 [2020-07-08 15:56:33,455 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2020-07-08 15:56:33,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-07-08 15:56:33,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 70. [2020-07-08 15:56:33,583 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 15:56:33,583 INFO L82 GeneralOperation]: Start isEquivalent. First operand 73 states. Second operand 70 states. [2020-07-08 15:56:33,583 INFO L74 IsIncluded]: Start isIncluded. First operand 73 states. Second operand 70 states. [2020-07-08 15:56:33,583 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 70 states. [2020-07-08 15:56:33,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:56:33,587 INFO L93 Difference]: Finished difference Result 73 states and 90 transitions. [2020-07-08 15:56:33,587 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2020-07-08 15:56:33,588 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 15:56:33,588 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 15:56:33,588 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand 73 states. [2020-07-08 15:56:33,589 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 73 states. [2020-07-08 15:56:33,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:56:33,593 INFO L93 Difference]: Finished difference Result 73 states and 90 transitions. [2020-07-08 15:56:33,593 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2020-07-08 15:56:33,594 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 15:56:33,594 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 15:56:33,594 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 15:56:33,594 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 15:56:33,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-07-08 15:56:33,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 86 transitions. [2020-07-08 15:56:33,598 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 86 transitions. Word has length 123 [2020-07-08 15:56:33,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 15:56:33,598 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 86 transitions. [2020-07-08 15:56:33,598 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-08 15:56:33,599 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 70 states and 86 transitions. [2020-07-08 15:56:33,708 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 86 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:56:33,708 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 86 transitions. [2020-07-08 15:56:33,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-07-08 15:56:33,711 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 15:56:33,711 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 17, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 15:56:33,712 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-08 15:56:33,712 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 15:56:33,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 15:56:33,712 INFO L82 PathProgramCache]: Analyzing trace with hash 532445701, now seen corresponding path program 5 times [2020-07-08 15:56:33,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 15:56:33,713 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [109782325] [2020-07-08 15:56:33,713 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Garbage collection #1: 17 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 17 to 31 Garbage collection #2: 31 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 31 to 61 Garbage collection #3: 61 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 61 to 113 Garbage collection #4: 113 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 113 to 223 [2020-07-08 15:56:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:33,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:33,925 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:33,925 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3188#true} {3188#true} #40#return; {3188#true} is VALID [2020-07-08 15:56:33,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:33,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:34,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:34,133 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,134 INFO L280 TraceCheckUtils]: 1: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,135 INFO L280 TraceCheckUtils]: 2: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:34,136 INFO L280 TraceCheckUtils]: 3: Hoare triple {3657#(<= |fibo_#in~n| 1)} #res := 1; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:34,136 INFO L280 TraceCheckUtils]: 4: Hoare triple {3657#(<= |fibo_#in~n| 1)} assume true; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:34,137 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3657#(<= |fibo_#in~n| 1)} {3546#(= fibo_~n |fibo_#in~n|)} #46#return; {3650#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 15:56:34,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:34,142 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,142 INFO L280 TraceCheckUtils]: 1: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 15:56:34,143 INFO L280 TraceCheckUtils]: 2: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 15:56:34,143 INFO L280 TraceCheckUtils]: 3: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,144 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3188#true} {3650#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} #48#return; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:34,144 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,145 INFO L280 TraceCheckUtils]: 1: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,146 INFO L280 TraceCheckUtils]: 2: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,146 INFO L263 TraceCheckUtils]: 3: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,146 INFO L280 TraceCheckUtils]: 4: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,147 INFO L280 TraceCheckUtils]: 5: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,148 INFO L280 TraceCheckUtils]: 6: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:34,148 INFO L280 TraceCheckUtils]: 7: Hoare triple {3657#(<= |fibo_#in~n| 1)} #res := 1; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:34,149 INFO L280 TraceCheckUtils]: 8: Hoare triple {3657#(<= |fibo_#in~n| 1)} assume true; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:34,150 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {3657#(<= |fibo_#in~n| 1)} {3546#(= fibo_~n |fibo_#in~n|)} #46#return; {3650#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 15:56:34,151 INFO L280 TraceCheckUtils]: 10: Hoare triple {3650#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3650#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 15:56:34,151 INFO L263 TraceCheckUtils]: 11: Hoare triple {3650#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,151 INFO L280 TraceCheckUtils]: 12: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,151 INFO L280 TraceCheckUtils]: 13: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 15:56:34,151 INFO L280 TraceCheckUtils]: 14: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 15:56:34,152 INFO L280 TraceCheckUtils]: 15: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,153 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {3188#true} {3650#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} #48#return; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:34,153 INFO L280 TraceCheckUtils]: 17: Hoare triple {3656#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:34,154 INFO L280 TraceCheckUtils]: 18: Hoare triple {3656#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:34,154 INFO L280 TraceCheckUtils]: 19: Hoare triple {3656#(<= |fibo_#in~n| 2)} havoc #t~ret1; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:34,155 INFO L280 TraceCheckUtils]: 20: Hoare triple {3656#(<= |fibo_#in~n| 2)} havoc #t~ret0; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:34,155 INFO L280 TraceCheckUtils]: 21: Hoare triple {3656#(<= |fibo_#in~n| 2)} assume true; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:34,156 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {3656#(<= |fibo_#in~n| 2)} {3546#(= fibo_~n |fibo_#in~n|)} #46#return; {3636#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} is VALID [2020-07-08 15:56:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:34,161 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,162 INFO L280 TraceCheckUtils]: 1: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,162 INFO L280 TraceCheckUtils]: 2: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 15:56:34,162 INFO L280 TraceCheckUtils]: 3: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 15:56:34,162 INFO L280 TraceCheckUtils]: 4: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,163 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3188#true} {3636#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} #48#return; {3643#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:34,164 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,164 INFO L280 TraceCheckUtils]: 1: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,165 INFO L280 TraceCheckUtils]: 2: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,165 INFO L263 TraceCheckUtils]: 3: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,166 INFO L280 TraceCheckUtils]: 4: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,167 INFO L280 TraceCheckUtils]: 5: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,167 INFO L280 TraceCheckUtils]: 6: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,167 INFO L263 TraceCheckUtils]: 7: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,168 INFO L280 TraceCheckUtils]: 8: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,168 INFO L280 TraceCheckUtils]: 9: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,169 INFO L280 TraceCheckUtils]: 10: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:34,170 INFO L280 TraceCheckUtils]: 11: Hoare triple {3657#(<= |fibo_#in~n| 1)} #res := 1; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:34,170 INFO L280 TraceCheckUtils]: 12: Hoare triple {3657#(<= |fibo_#in~n| 1)} assume true; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:34,171 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {3657#(<= |fibo_#in~n| 1)} {3546#(= fibo_~n |fibo_#in~n|)} #46#return; {3650#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 15:56:34,172 INFO L280 TraceCheckUtils]: 14: Hoare triple {3650#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3650#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 15:56:34,173 INFO L263 TraceCheckUtils]: 15: Hoare triple {3650#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,173 INFO L280 TraceCheckUtils]: 16: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,173 INFO L280 TraceCheckUtils]: 17: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 15:56:34,173 INFO L280 TraceCheckUtils]: 18: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 15:56:34,174 INFO L280 TraceCheckUtils]: 19: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,175 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {3188#true} {3650#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} #48#return; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:34,175 INFO L280 TraceCheckUtils]: 21: Hoare triple {3656#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:34,176 INFO L280 TraceCheckUtils]: 22: Hoare triple {3656#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:34,176 INFO L280 TraceCheckUtils]: 23: Hoare triple {3656#(<= |fibo_#in~n| 2)} havoc #t~ret1; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:34,177 INFO L280 TraceCheckUtils]: 24: Hoare triple {3656#(<= |fibo_#in~n| 2)} havoc #t~ret0; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:34,177 INFO L280 TraceCheckUtils]: 25: Hoare triple {3656#(<= |fibo_#in~n| 2)} assume true; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:34,179 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {3656#(<= |fibo_#in~n| 2)} {3546#(= fibo_~n |fibo_#in~n|)} #46#return; {3636#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} is VALID [2020-07-08 15:56:34,179 INFO L280 TraceCheckUtils]: 27: Hoare triple {3636#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3636#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} is VALID [2020-07-08 15:56:34,180 INFO L263 TraceCheckUtils]: 28: Hoare triple {3636#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,180 INFO L280 TraceCheckUtils]: 29: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,180 INFO L280 TraceCheckUtils]: 30: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,180 INFO L280 TraceCheckUtils]: 31: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 15:56:34,180 INFO L280 TraceCheckUtils]: 32: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 15:56:34,181 INFO L280 TraceCheckUtils]: 33: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,182 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {3188#true} {3636#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} #48#return; {3643#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:34,182 INFO L280 TraceCheckUtils]: 35: Hoare triple {3643#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3643#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:34,183 INFO L280 TraceCheckUtils]: 36: Hoare triple {3643#(<= |fibo_#in~n| 3)} #res := #t~ret0 + #t~ret1; {3643#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:34,183 INFO L280 TraceCheckUtils]: 37: Hoare triple {3643#(<= |fibo_#in~n| 3)} havoc #t~ret1; {3643#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:34,184 INFO L280 TraceCheckUtils]: 38: Hoare triple {3643#(<= |fibo_#in~n| 3)} havoc #t~ret0; {3643#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:34,184 INFO L280 TraceCheckUtils]: 39: Hoare triple {3643#(<= |fibo_#in~n| 3)} assume true; {3643#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:34,186 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {3643#(<= |fibo_#in~n| 3)} {3546#(= fibo_~n |fibo_#in~n|)} #46#return; {3588#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 4))} is VALID [2020-07-08 15:56:34,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:34,202 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,202 INFO L280 TraceCheckUtils]: 1: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,202 INFO L280 TraceCheckUtils]: 2: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 15:56:34,202 INFO L280 TraceCheckUtils]: 3: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 15:56:34,203 INFO L280 TraceCheckUtils]: 4: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,203 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3188#true} {3188#true} #46#return; {3188#true} is VALID [2020-07-08 15:56:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:34,206 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,206 INFO L280 TraceCheckUtils]: 1: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 15:56:34,207 INFO L280 TraceCheckUtils]: 2: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 15:56:34,207 INFO L280 TraceCheckUtils]: 3: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,207 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3188#true} {3188#true} #48#return; {3188#true} is VALID [2020-07-08 15:56:34,207 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,207 INFO L280 TraceCheckUtils]: 1: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,208 INFO L280 TraceCheckUtils]: 2: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 15:56:34,208 INFO L263 TraceCheckUtils]: 3: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,208 INFO L280 TraceCheckUtils]: 4: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,208 INFO L280 TraceCheckUtils]: 5: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,209 INFO L280 TraceCheckUtils]: 6: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 15:56:34,209 INFO L280 TraceCheckUtils]: 7: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 15:56:34,209 INFO L280 TraceCheckUtils]: 8: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,209 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {3188#true} {3188#true} #46#return; {3188#true} is VALID [2020-07-08 15:56:34,209 INFO L280 TraceCheckUtils]: 10: Hoare triple {3188#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3188#true} is VALID [2020-07-08 15:56:34,210 INFO L263 TraceCheckUtils]: 11: Hoare triple {3188#true} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,210 INFO L280 TraceCheckUtils]: 12: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,210 INFO L280 TraceCheckUtils]: 13: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 15:56:34,210 INFO L280 TraceCheckUtils]: 14: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 15:56:34,210 INFO L280 TraceCheckUtils]: 15: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,211 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {3188#true} {3188#true} #48#return; {3188#true} is VALID [2020-07-08 15:56:34,211 INFO L280 TraceCheckUtils]: 17: Hoare triple {3188#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3188#true} is VALID [2020-07-08 15:56:34,211 INFO L280 TraceCheckUtils]: 18: Hoare triple {3188#true} #res := #t~ret0 + #t~ret1; {3188#true} is VALID [2020-07-08 15:56:34,211 INFO L280 TraceCheckUtils]: 19: Hoare triple {3188#true} havoc #t~ret1; {3188#true} is VALID [2020-07-08 15:56:34,211 INFO L280 TraceCheckUtils]: 20: Hoare triple {3188#true} havoc #t~ret0; {3188#true} is VALID [2020-07-08 15:56:34,212 INFO L280 TraceCheckUtils]: 21: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,213 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {3188#true} {3588#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 4))} #48#return; {3612#(<= |fibo_#in~n| 4)} is VALID [2020-07-08 15:56:34,214 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,214 INFO L280 TraceCheckUtils]: 1: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,215 INFO L280 TraceCheckUtils]: 2: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,215 INFO L263 TraceCheckUtils]: 3: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,215 INFO L280 TraceCheckUtils]: 4: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,216 INFO L280 TraceCheckUtils]: 5: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,216 INFO L280 TraceCheckUtils]: 6: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,217 INFO L263 TraceCheckUtils]: 7: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,217 INFO L280 TraceCheckUtils]: 8: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,218 INFO L280 TraceCheckUtils]: 9: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,218 INFO L280 TraceCheckUtils]: 10: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,218 INFO L263 TraceCheckUtils]: 11: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,219 INFO L280 TraceCheckUtils]: 12: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,219 INFO L280 TraceCheckUtils]: 13: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,220 INFO L280 TraceCheckUtils]: 14: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:34,221 INFO L280 TraceCheckUtils]: 15: Hoare triple {3657#(<= |fibo_#in~n| 1)} #res := 1; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:34,221 INFO L280 TraceCheckUtils]: 16: Hoare triple {3657#(<= |fibo_#in~n| 1)} assume true; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:34,222 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {3657#(<= |fibo_#in~n| 1)} {3546#(= fibo_~n |fibo_#in~n|)} #46#return; {3650#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 15:56:34,223 INFO L280 TraceCheckUtils]: 18: Hoare triple {3650#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3650#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 15:56:34,223 INFO L263 TraceCheckUtils]: 19: Hoare triple {3650#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,224 INFO L280 TraceCheckUtils]: 20: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,224 INFO L280 TraceCheckUtils]: 21: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 15:56:34,224 INFO L280 TraceCheckUtils]: 22: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 15:56:34,224 INFO L280 TraceCheckUtils]: 23: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,225 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {3188#true} {3650#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} #48#return; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:34,226 INFO L280 TraceCheckUtils]: 25: Hoare triple {3656#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:34,227 INFO L280 TraceCheckUtils]: 26: Hoare triple {3656#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:34,228 INFO L280 TraceCheckUtils]: 27: Hoare triple {3656#(<= |fibo_#in~n| 2)} havoc #t~ret1; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:34,229 INFO L280 TraceCheckUtils]: 28: Hoare triple {3656#(<= |fibo_#in~n| 2)} havoc #t~ret0; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:34,229 INFO L280 TraceCheckUtils]: 29: Hoare triple {3656#(<= |fibo_#in~n| 2)} assume true; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:34,230 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {3656#(<= |fibo_#in~n| 2)} {3546#(= fibo_~n |fibo_#in~n|)} #46#return; {3636#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} is VALID [2020-07-08 15:56:34,231 INFO L280 TraceCheckUtils]: 31: Hoare triple {3636#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3636#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} is VALID [2020-07-08 15:56:34,231 INFO L263 TraceCheckUtils]: 32: Hoare triple {3636#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,232 INFO L280 TraceCheckUtils]: 33: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,232 INFO L280 TraceCheckUtils]: 34: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,232 INFO L280 TraceCheckUtils]: 35: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 15:56:34,232 INFO L280 TraceCheckUtils]: 36: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 15:56:34,232 INFO L280 TraceCheckUtils]: 37: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,233 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {3188#true} {3636#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} #48#return; {3643#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:34,234 INFO L280 TraceCheckUtils]: 39: Hoare triple {3643#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3643#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:34,235 INFO L280 TraceCheckUtils]: 40: Hoare triple {3643#(<= |fibo_#in~n| 3)} #res := #t~ret0 + #t~ret1; {3643#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:34,235 INFO L280 TraceCheckUtils]: 41: Hoare triple {3643#(<= |fibo_#in~n| 3)} havoc #t~ret1; {3643#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:34,236 INFO L280 TraceCheckUtils]: 42: Hoare triple {3643#(<= |fibo_#in~n| 3)} havoc #t~ret0; {3643#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:34,236 INFO L280 TraceCheckUtils]: 43: Hoare triple {3643#(<= |fibo_#in~n| 3)} assume true; {3643#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:34,237 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {3643#(<= |fibo_#in~n| 3)} {3546#(= fibo_~n |fibo_#in~n|)} #46#return; {3588#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 4))} is VALID [2020-07-08 15:56:34,238 INFO L280 TraceCheckUtils]: 45: Hoare triple {3588#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 4))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3588#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 4))} is VALID [2020-07-08 15:56:34,238 INFO L263 TraceCheckUtils]: 46: Hoare triple {3588#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 4))} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,239 INFO L280 TraceCheckUtils]: 47: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,239 INFO L280 TraceCheckUtils]: 48: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,239 INFO L280 TraceCheckUtils]: 49: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 15:56:34,239 INFO L263 TraceCheckUtils]: 50: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,239 INFO L280 TraceCheckUtils]: 51: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,240 INFO L280 TraceCheckUtils]: 52: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,240 INFO L280 TraceCheckUtils]: 53: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 15:56:34,240 INFO L280 TraceCheckUtils]: 54: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 15:56:34,240 INFO L280 TraceCheckUtils]: 55: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,240 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {3188#true} {3188#true} #46#return; {3188#true} is VALID [2020-07-08 15:56:34,241 INFO L280 TraceCheckUtils]: 57: Hoare triple {3188#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3188#true} is VALID [2020-07-08 15:56:34,241 INFO L263 TraceCheckUtils]: 58: Hoare triple {3188#true} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,241 INFO L280 TraceCheckUtils]: 59: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,241 INFO L280 TraceCheckUtils]: 60: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 15:56:34,241 INFO L280 TraceCheckUtils]: 61: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 15:56:34,242 INFO L280 TraceCheckUtils]: 62: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,242 INFO L275 TraceCheckUtils]: 63: Hoare quadruple {3188#true} {3188#true} #48#return; {3188#true} is VALID [2020-07-08 15:56:34,242 INFO L280 TraceCheckUtils]: 64: Hoare triple {3188#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3188#true} is VALID [2020-07-08 15:56:34,242 INFO L280 TraceCheckUtils]: 65: Hoare triple {3188#true} #res := #t~ret0 + #t~ret1; {3188#true} is VALID [2020-07-08 15:56:34,242 INFO L280 TraceCheckUtils]: 66: Hoare triple {3188#true} havoc #t~ret1; {3188#true} is VALID [2020-07-08 15:56:34,243 INFO L280 TraceCheckUtils]: 67: Hoare triple {3188#true} havoc #t~ret0; {3188#true} is VALID [2020-07-08 15:56:34,243 INFO L280 TraceCheckUtils]: 68: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,244 INFO L275 TraceCheckUtils]: 69: Hoare quadruple {3188#true} {3588#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 4))} #48#return; {3612#(<= |fibo_#in~n| 4)} is VALID [2020-07-08 15:56:34,244 INFO L280 TraceCheckUtils]: 70: Hoare triple {3612#(<= |fibo_#in~n| 4)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3612#(<= |fibo_#in~n| 4)} is VALID [2020-07-08 15:56:34,245 INFO L280 TraceCheckUtils]: 71: Hoare triple {3612#(<= |fibo_#in~n| 4)} #res := #t~ret0 + #t~ret1; {3612#(<= |fibo_#in~n| 4)} is VALID [2020-07-08 15:56:34,246 INFO L280 TraceCheckUtils]: 72: Hoare triple {3612#(<= |fibo_#in~n| 4)} havoc #t~ret1; {3612#(<= |fibo_#in~n| 4)} is VALID [2020-07-08 15:56:34,246 INFO L280 TraceCheckUtils]: 73: Hoare triple {3612#(<= |fibo_#in~n| 4)} havoc #t~ret0; {3612#(<= |fibo_#in~n| 4)} is VALID [2020-07-08 15:56:34,247 INFO L280 TraceCheckUtils]: 74: Hoare triple {3612#(<= |fibo_#in~n| 4)} assume true; {3612#(<= |fibo_#in~n| 4)} is VALID [2020-07-08 15:56:34,248 INFO L275 TraceCheckUtils]: 75: Hoare quadruple {3612#(<= |fibo_#in~n| 4)} {3188#true} #46#return; {3451#(<= fibo_~n 5)} is VALID [2020-07-08 15:56:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:34,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:34,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:34,449 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,450 INFO L280 TraceCheckUtils]: 1: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,450 INFO L280 TraceCheckUtils]: 2: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 15:56:34,450 INFO L280 TraceCheckUtils]: 3: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 15:56:34,450 INFO L280 TraceCheckUtils]: 4: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,451 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3188#true} {3188#true} #46#return; {3188#true} is VALID [2020-07-08 15:56:34,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:34,453 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,454 INFO L280 TraceCheckUtils]: 1: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 15:56:34,454 INFO L280 TraceCheckUtils]: 2: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 15:56:34,454 INFO L280 TraceCheckUtils]: 3: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,454 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3188#true} {3188#true} #48#return; {3188#true} is VALID [2020-07-08 15:56:34,455 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,455 INFO L280 TraceCheckUtils]: 1: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,455 INFO L280 TraceCheckUtils]: 2: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 15:56:34,455 INFO L263 TraceCheckUtils]: 3: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,455 INFO L280 TraceCheckUtils]: 4: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,456 INFO L280 TraceCheckUtils]: 5: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,456 INFO L280 TraceCheckUtils]: 6: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 15:56:34,456 INFO L280 TraceCheckUtils]: 7: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 15:56:34,456 INFO L280 TraceCheckUtils]: 8: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,456 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {3188#true} {3188#true} #46#return; {3188#true} is VALID [2020-07-08 15:56:34,457 INFO L280 TraceCheckUtils]: 10: Hoare triple {3188#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3188#true} is VALID [2020-07-08 15:56:34,457 INFO L263 TraceCheckUtils]: 11: Hoare triple {3188#true} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,457 INFO L280 TraceCheckUtils]: 12: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,457 INFO L280 TraceCheckUtils]: 13: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 15:56:34,458 INFO L280 TraceCheckUtils]: 14: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 15:56:34,458 INFO L280 TraceCheckUtils]: 15: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,458 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {3188#true} {3188#true} #48#return; {3188#true} is VALID [2020-07-08 15:56:34,458 INFO L280 TraceCheckUtils]: 17: Hoare triple {3188#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3188#true} is VALID [2020-07-08 15:56:34,458 INFO L280 TraceCheckUtils]: 18: Hoare triple {3188#true} #res := #t~ret0 + #t~ret1; {3188#true} is VALID [2020-07-08 15:56:34,459 INFO L280 TraceCheckUtils]: 19: Hoare triple {3188#true} havoc #t~ret1; {3188#true} is VALID [2020-07-08 15:56:34,459 INFO L280 TraceCheckUtils]: 20: Hoare triple {3188#true} havoc #t~ret0; {3188#true} is VALID [2020-07-08 15:56:34,459 INFO L280 TraceCheckUtils]: 21: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,461 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {3188#true} {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #46#return; {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 15:56:34,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:34,466 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,466 INFO L280 TraceCheckUtils]: 1: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,467 INFO L280 TraceCheckUtils]: 2: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 15:56:34,467 INFO L280 TraceCheckUtils]: 3: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 15:56:34,467 INFO L280 TraceCheckUtils]: 4: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,468 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3188#true} {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #48#return; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,469 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,470 INFO L280 TraceCheckUtils]: 1: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3818#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-08 15:56:34,470 INFO L280 TraceCheckUtils]: 2: Hoare triple {3818#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 15:56:34,471 INFO L263 TraceCheckUtils]: 3: Hoare triple {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,471 INFO L280 TraceCheckUtils]: 4: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,471 INFO L280 TraceCheckUtils]: 5: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,471 INFO L280 TraceCheckUtils]: 6: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 15:56:34,472 INFO L263 TraceCheckUtils]: 7: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,472 INFO L280 TraceCheckUtils]: 8: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,472 INFO L280 TraceCheckUtils]: 9: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,472 INFO L280 TraceCheckUtils]: 10: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 15:56:34,473 INFO L280 TraceCheckUtils]: 11: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 15:56:34,473 INFO L280 TraceCheckUtils]: 12: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,473 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {3188#true} {3188#true} #46#return; {3188#true} is VALID [2020-07-08 15:56:34,473 INFO L280 TraceCheckUtils]: 14: Hoare triple {3188#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3188#true} is VALID [2020-07-08 15:56:34,474 INFO L263 TraceCheckUtils]: 15: Hoare triple {3188#true} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,474 INFO L280 TraceCheckUtils]: 16: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,474 INFO L280 TraceCheckUtils]: 17: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 15:56:34,474 INFO L280 TraceCheckUtils]: 18: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 15:56:34,475 INFO L280 TraceCheckUtils]: 19: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,475 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {3188#true} {3188#true} #48#return; {3188#true} is VALID [2020-07-08 15:56:34,475 INFO L280 TraceCheckUtils]: 21: Hoare triple {3188#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3188#true} is VALID [2020-07-08 15:56:34,475 INFO L280 TraceCheckUtils]: 22: Hoare triple {3188#true} #res := #t~ret0 + #t~ret1; {3188#true} is VALID [2020-07-08 15:56:34,475 INFO L280 TraceCheckUtils]: 23: Hoare triple {3188#true} havoc #t~ret1; {3188#true} is VALID [2020-07-08 15:56:34,476 INFO L280 TraceCheckUtils]: 24: Hoare triple {3188#true} havoc #t~ret0; {3188#true} is VALID [2020-07-08 15:56:34,476 INFO L280 TraceCheckUtils]: 25: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,478 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {3188#true} {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #46#return; {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 15:56:34,478 INFO L280 TraceCheckUtils]: 27: Hoare triple {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 15:56:34,479 INFO L263 TraceCheckUtils]: 28: Hoare triple {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,479 INFO L280 TraceCheckUtils]: 29: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,479 INFO L280 TraceCheckUtils]: 30: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,479 INFO L280 TraceCheckUtils]: 31: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 15:56:34,480 INFO L280 TraceCheckUtils]: 32: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 15:56:34,480 INFO L280 TraceCheckUtils]: 33: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,481 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {3188#true} {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #48#return; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,481 INFO L280 TraceCheckUtils]: 35: Hoare triple {3849#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,482 INFO L280 TraceCheckUtils]: 36: Hoare triple {3849#(<= 2 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,483 INFO L280 TraceCheckUtils]: 37: Hoare triple {3849#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,483 INFO L280 TraceCheckUtils]: 38: Hoare triple {3849#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,484 INFO L280 TraceCheckUtils]: 39: Hoare triple {3849#(<= 2 |fibo_#in~n|)} assume true; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,485 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {3849#(<= 2 |fibo_#in~n|)} {3546#(= fibo_~n |fibo_#in~n|)} #46#return; {3793#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} is VALID [2020-07-08 15:56:34,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:34,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:34,506 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,506 INFO L280 TraceCheckUtils]: 1: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,506 INFO L280 TraceCheckUtils]: 2: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 15:56:34,507 INFO L280 TraceCheckUtils]: 3: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 15:56:34,507 INFO L280 TraceCheckUtils]: 4: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,507 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3188#true} {3188#true} #46#return; {3188#true} is VALID [2020-07-08 15:56:34,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:34,510 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,510 INFO L280 TraceCheckUtils]: 1: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 15:56:34,510 INFO L280 TraceCheckUtils]: 2: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 15:56:34,511 INFO L280 TraceCheckUtils]: 3: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,511 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3188#true} {3188#true} #48#return; {3188#true} is VALID [2020-07-08 15:56:34,511 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,511 INFO L280 TraceCheckUtils]: 1: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,512 INFO L280 TraceCheckUtils]: 2: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 15:56:34,512 INFO L263 TraceCheckUtils]: 3: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,512 INFO L280 TraceCheckUtils]: 4: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,512 INFO L280 TraceCheckUtils]: 5: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,513 INFO L280 TraceCheckUtils]: 6: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 15:56:34,513 INFO L280 TraceCheckUtils]: 7: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 15:56:34,513 INFO L280 TraceCheckUtils]: 8: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,513 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {3188#true} {3188#true} #46#return; {3188#true} is VALID [2020-07-08 15:56:34,514 INFO L280 TraceCheckUtils]: 10: Hoare triple {3188#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3188#true} is VALID [2020-07-08 15:56:34,514 INFO L263 TraceCheckUtils]: 11: Hoare triple {3188#true} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,514 INFO L280 TraceCheckUtils]: 12: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,514 INFO L280 TraceCheckUtils]: 13: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 15:56:34,514 INFO L280 TraceCheckUtils]: 14: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 15:56:34,515 INFO L280 TraceCheckUtils]: 15: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,515 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {3188#true} {3188#true} #48#return; {3188#true} is VALID [2020-07-08 15:56:34,515 INFO L280 TraceCheckUtils]: 17: Hoare triple {3188#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3188#true} is VALID [2020-07-08 15:56:34,515 INFO L280 TraceCheckUtils]: 18: Hoare triple {3188#true} #res := #t~ret0 + #t~ret1; {3188#true} is VALID [2020-07-08 15:56:34,515 INFO L280 TraceCheckUtils]: 19: Hoare triple {3188#true} havoc #t~ret1; {3188#true} is VALID [2020-07-08 15:56:34,516 INFO L280 TraceCheckUtils]: 20: Hoare triple {3188#true} havoc #t~ret0; {3188#true} is VALID [2020-07-08 15:56:34,516 INFO L280 TraceCheckUtils]: 21: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,518 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {3188#true} {3793#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} #48#return; {3817#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,519 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,519 INFO L280 TraceCheckUtils]: 1: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,520 INFO L280 TraceCheckUtils]: 2: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,520 INFO L263 TraceCheckUtils]: 3: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,521 INFO L280 TraceCheckUtils]: 4: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,522 INFO L280 TraceCheckUtils]: 5: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3818#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-08 15:56:34,522 INFO L280 TraceCheckUtils]: 6: Hoare triple {3818#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 15:56:34,523 INFO L263 TraceCheckUtils]: 7: Hoare triple {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,523 INFO L280 TraceCheckUtils]: 8: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,523 INFO L280 TraceCheckUtils]: 9: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,523 INFO L280 TraceCheckUtils]: 10: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 15:56:34,523 INFO L263 TraceCheckUtils]: 11: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,524 INFO L280 TraceCheckUtils]: 12: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,524 INFO L280 TraceCheckUtils]: 13: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,524 INFO L280 TraceCheckUtils]: 14: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 15:56:34,524 INFO L280 TraceCheckUtils]: 15: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 15:56:34,524 INFO L280 TraceCheckUtils]: 16: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,525 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {3188#true} {3188#true} #46#return; {3188#true} is VALID [2020-07-08 15:56:34,525 INFO L280 TraceCheckUtils]: 18: Hoare triple {3188#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3188#true} is VALID [2020-07-08 15:56:34,525 INFO L263 TraceCheckUtils]: 19: Hoare triple {3188#true} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,525 INFO L280 TraceCheckUtils]: 20: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,526 INFO L280 TraceCheckUtils]: 21: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 15:56:34,526 INFO L280 TraceCheckUtils]: 22: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 15:56:34,526 INFO L280 TraceCheckUtils]: 23: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,526 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {3188#true} {3188#true} #48#return; {3188#true} is VALID [2020-07-08 15:56:34,526 INFO L280 TraceCheckUtils]: 25: Hoare triple {3188#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3188#true} is VALID [2020-07-08 15:56:34,527 INFO L280 TraceCheckUtils]: 26: Hoare triple {3188#true} #res := #t~ret0 + #t~ret1; {3188#true} is VALID [2020-07-08 15:56:34,527 INFO L280 TraceCheckUtils]: 27: Hoare triple {3188#true} havoc #t~ret1; {3188#true} is VALID [2020-07-08 15:56:34,527 INFO L280 TraceCheckUtils]: 28: Hoare triple {3188#true} havoc #t~ret0; {3188#true} is VALID [2020-07-08 15:56:34,527 INFO L280 TraceCheckUtils]: 29: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,528 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {3188#true} {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #46#return; {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 15:56:34,529 INFO L280 TraceCheckUtils]: 31: Hoare triple {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 15:56:34,529 INFO L263 TraceCheckUtils]: 32: Hoare triple {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,529 INFO L280 TraceCheckUtils]: 33: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,530 INFO L280 TraceCheckUtils]: 34: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,530 INFO L280 TraceCheckUtils]: 35: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 15:56:34,530 INFO L280 TraceCheckUtils]: 36: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 15:56:34,530 INFO L280 TraceCheckUtils]: 37: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,531 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {3188#true} {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #48#return; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,532 INFO L280 TraceCheckUtils]: 39: Hoare triple {3849#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,533 INFO L280 TraceCheckUtils]: 40: Hoare triple {3849#(<= 2 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,533 INFO L280 TraceCheckUtils]: 41: Hoare triple {3849#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,534 INFO L280 TraceCheckUtils]: 42: Hoare triple {3849#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,534 INFO L280 TraceCheckUtils]: 43: Hoare triple {3849#(<= 2 |fibo_#in~n|)} assume true; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,535 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {3849#(<= 2 |fibo_#in~n|)} {3546#(= fibo_~n |fibo_#in~n|)} #46#return; {3793#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} is VALID [2020-07-08 15:56:34,536 INFO L280 TraceCheckUtils]: 45: Hoare triple {3793#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3793#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} is VALID [2020-07-08 15:56:34,536 INFO L263 TraceCheckUtils]: 46: Hoare triple {3793#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,536 INFO L280 TraceCheckUtils]: 47: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,537 INFO L280 TraceCheckUtils]: 48: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,537 INFO L280 TraceCheckUtils]: 49: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 15:56:34,537 INFO L263 TraceCheckUtils]: 50: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,537 INFO L280 TraceCheckUtils]: 51: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,537 INFO L280 TraceCheckUtils]: 52: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,538 INFO L280 TraceCheckUtils]: 53: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 15:56:34,538 INFO L280 TraceCheckUtils]: 54: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 15:56:34,538 INFO L280 TraceCheckUtils]: 55: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,538 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {3188#true} {3188#true} #46#return; {3188#true} is VALID [2020-07-08 15:56:34,539 INFO L280 TraceCheckUtils]: 57: Hoare triple {3188#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3188#true} is VALID [2020-07-08 15:56:34,539 INFO L263 TraceCheckUtils]: 58: Hoare triple {3188#true} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,539 INFO L280 TraceCheckUtils]: 59: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,539 INFO L280 TraceCheckUtils]: 60: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 15:56:34,539 INFO L280 TraceCheckUtils]: 61: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 15:56:34,540 INFO L280 TraceCheckUtils]: 62: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,540 INFO L275 TraceCheckUtils]: 63: Hoare quadruple {3188#true} {3188#true} #48#return; {3188#true} is VALID [2020-07-08 15:56:34,540 INFO L280 TraceCheckUtils]: 64: Hoare triple {3188#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3188#true} is VALID [2020-07-08 15:56:34,540 INFO L280 TraceCheckUtils]: 65: Hoare triple {3188#true} #res := #t~ret0 + #t~ret1; {3188#true} is VALID [2020-07-08 15:56:34,541 INFO L280 TraceCheckUtils]: 66: Hoare triple {3188#true} havoc #t~ret1; {3188#true} is VALID [2020-07-08 15:56:34,541 INFO L280 TraceCheckUtils]: 67: Hoare triple {3188#true} havoc #t~ret0; {3188#true} is VALID [2020-07-08 15:56:34,541 INFO L280 TraceCheckUtils]: 68: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,543 INFO L275 TraceCheckUtils]: 69: Hoare quadruple {3188#true} {3793#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} #48#return; {3817#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,544 INFO L280 TraceCheckUtils]: 70: Hoare triple {3817#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3817#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,544 INFO L280 TraceCheckUtils]: 71: Hoare triple {3817#(<= 3 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {3817#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,545 INFO L280 TraceCheckUtils]: 72: Hoare triple {3817#(<= 3 |fibo_#in~n|)} havoc #t~ret1; {3817#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,546 INFO L280 TraceCheckUtils]: 73: Hoare triple {3817#(<= 3 |fibo_#in~n|)} havoc #t~ret0; {3817#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,546 INFO L280 TraceCheckUtils]: 74: Hoare triple {3817#(<= 3 |fibo_#in~n|)} assume true; {3817#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,547 INFO L275 TraceCheckUtils]: 75: Hoare quadruple {3817#(<= 3 |fibo_#in~n|)} {3188#true} #46#return; {3745#(<= 4 fibo_~n)} is VALID [2020-07-08 15:56:34,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:56:34,562 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,563 INFO L280 TraceCheckUtils]: 1: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,564 INFO L280 TraceCheckUtils]: 2: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:34,564 INFO L280 TraceCheckUtils]: 3: Hoare triple {3657#(<= |fibo_#in~n| 1)} #res := 1; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:34,565 INFO L280 TraceCheckUtils]: 4: Hoare triple {3657#(<= |fibo_#in~n| 1)} assume true; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:34,566 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3657#(<= |fibo_#in~n| 1)} {3745#(<= 4 fibo_~n)} #48#return; {3189#false} is VALID [2020-07-08 15:56:34,566 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,566 INFO L280 TraceCheckUtils]: 1: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,566 INFO L280 TraceCheckUtils]: 2: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 15:56:34,567 INFO L263 TraceCheckUtils]: 3: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,567 INFO L280 TraceCheckUtils]: 4: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,568 INFO L280 TraceCheckUtils]: 5: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,569 INFO L280 TraceCheckUtils]: 6: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,569 INFO L263 TraceCheckUtils]: 7: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,570 INFO L280 TraceCheckUtils]: 8: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,570 INFO L280 TraceCheckUtils]: 9: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3818#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-08 15:56:34,571 INFO L280 TraceCheckUtils]: 10: Hoare triple {3818#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 15:56:34,571 INFO L263 TraceCheckUtils]: 11: Hoare triple {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,572 INFO L280 TraceCheckUtils]: 12: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,572 INFO L280 TraceCheckUtils]: 13: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,572 INFO L280 TraceCheckUtils]: 14: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 15:56:34,572 INFO L263 TraceCheckUtils]: 15: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,572 INFO L280 TraceCheckUtils]: 16: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,573 INFO L280 TraceCheckUtils]: 17: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,573 INFO L280 TraceCheckUtils]: 18: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 15:56:34,573 INFO L280 TraceCheckUtils]: 19: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 15:56:34,573 INFO L280 TraceCheckUtils]: 20: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,573 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {3188#true} {3188#true} #46#return; {3188#true} is VALID [2020-07-08 15:56:34,573 INFO L280 TraceCheckUtils]: 22: Hoare triple {3188#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3188#true} is VALID [2020-07-08 15:56:34,574 INFO L263 TraceCheckUtils]: 23: Hoare triple {3188#true} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,574 INFO L280 TraceCheckUtils]: 24: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,574 INFO L280 TraceCheckUtils]: 25: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 15:56:34,574 INFO L280 TraceCheckUtils]: 26: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 15:56:34,575 INFO L280 TraceCheckUtils]: 27: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,575 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {3188#true} {3188#true} #48#return; {3188#true} is VALID [2020-07-08 15:56:34,575 INFO L280 TraceCheckUtils]: 29: Hoare triple {3188#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3188#true} is VALID [2020-07-08 15:56:34,575 INFO L280 TraceCheckUtils]: 30: Hoare triple {3188#true} #res := #t~ret0 + #t~ret1; {3188#true} is VALID [2020-07-08 15:56:34,575 INFO L280 TraceCheckUtils]: 31: Hoare triple {3188#true} havoc #t~ret1; {3188#true} is VALID [2020-07-08 15:56:34,576 INFO L280 TraceCheckUtils]: 32: Hoare triple {3188#true} havoc #t~ret0; {3188#true} is VALID [2020-07-08 15:56:34,576 INFO L280 TraceCheckUtils]: 33: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,577 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {3188#true} {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #46#return; {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 15:56:34,577 INFO L280 TraceCheckUtils]: 35: Hoare triple {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 15:56:34,578 INFO L263 TraceCheckUtils]: 36: Hoare triple {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,578 INFO L280 TraceCheckUtils]: 37: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,578 INFO L280 TraceCheckUtils]: 38: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,578 INFO L280 TraceCheckUtils]: 39: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 15:56:34,578 INFO L280 TraceCheckUtils]: 40: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 15:56:34,579 INFO L280 TraceCheckUtils]: 41: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,580 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {3188#true} {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #48#return; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,580 INFO L280 TraceCheckUtils]: 43: Hoare triple {3849#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,581 INFO L280 TraceCheckUtils]: 44: Hoare triple {3849#(<= 2 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,582 INFO L280 TraceCheckUtils]: 45: Hoare triple {3849#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,583 INFO L280 TraceCheckUtils]: 46: Hoare triple {3849#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,583 INFO L280 TraceCheckUtils]: 47: Hoare triple {3849#(<= 2 |fibo_#in~n|)} assume true; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,585 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {3849#(<= 2 |fibo_#in~n|)} {3546#(= fibo_~n |fibo_#in~n|)} #46#return; {3793#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} is VALID [2020-07-08 15:56:34,585 INFO L280 TraceCheckUtils]: 49: Hoare triple {3793#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3793#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} is VALID [2020-07-08 15:56:34,586 INFO L263 TraceCheckUtils]: 50: Hoare triple {3793#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,586 INFO L280 TraceCheckUtils]: 51: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,586 INFO L280 TraceCheckUtils]: 52: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,586 INFO L280 TraceCheckUtils]: 53: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 15:56:34,586 INFO L263 TraceCheckUtils]: 54: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,587 INFO L280 TraceCheckUtils]: 55: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,587 INFO L280 TraceCheckUtils]: 56: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,587 INFO L280 TraceCheckUtils]: 57: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 15:56:34,587 INFO L280 TraceCheckUtils]: 58: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 15:56:34,587 INFO L280 TraceCheckUtils]: 59: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,588 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {3188#true} {3188#true} #46#return; {3188#true} is VALID [2020-07-08 15:56:34,588 INFO L280 TraceCheckUtils]: 61: Hoare triple {3188#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3188#true} is VALID [2020-07-08 15:56:34,588 INFO L263 TraceCheckUtils]: 62: Hoare triple {3188#true} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,588 INFO L280 TraceCheckUtils]: 63: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,588 INFO L280 TraceCheckUtils]: 64: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 15:56:34,589 INFO L280 TraceCheckUtils]: 65: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 15:56:34,589 INFO L280 TraceCheckUtils]: 66: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,589 INFO L275 TraceCheckUtils]: 67: Hoare quadruple {3188#true} {3188#true} #48#return; {3188#true} is VALID [2020-07-08 15:56:34,589 INFO L280 TraceCheckUtils]: 68: Hoare triple {3188#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3188#true} is VALID [2020-07-08 15:56:34,589 INFO L280 TraceCheckUtils]: 69: Hoare triple {3188#true} #res := #t~ret0 + #t~ret1; {3188#true} is VALID [2020-07-08 15:56:34,590 INFO L280 TraceCheckUtils]: 70: Hoare triple {3188#true} havoc #t~ret1; {3188#true} is VALID [2020-07-08 15:56:34,590 INFO L280 TraceCheckUtils]: 71: Hoare triple {3188#true} havoc #t~ret0; {3188#true} is VALID [2020-07-08 15:56:34,590 INFO L280 TraceCheckUtils]: 72: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,592 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {3188#true} {3793#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} #48#return; {3817#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,592 INFO L280 TraceCheckUtils]: 74: Hoare triple {3817#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3817#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,593 INFO L280 TraceCheckUtils]: 75: Hoare triple {3817#(<= 3 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {3817#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,593 INFO L280 TraceCheckUtils]: 76: Hoare triple {3817#(<= 3 |fibo_#in~n|)} havoc #t~ret1; {3817#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,594 INFO L280 TraceCheckUtils]: 77: Hoare triple {3817#(<= 3 |fibo_#in~n|)} havoc #t~ret0; {3817#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,594 INFO L280 TraceCheckUtils]: 78: Hoare triple {3817#(<= 3 |fibo_#in~n|)} assume true; {3817#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,595 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {3817#(<= 3 |fibo_#in~n|)} {3188#true} #46#return; {3745#(<= 4 fibo_~n)} is VALID [2020-07-08 15:56:34,596 INFO L280 TraceCheckUtils]: 80: Hoare triple {3745#(<= 4 fibo_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3745#(<= 4 fibo_~n)} is VALID [2020-07-08 15:56:34,596 INFO L263 TraceCheckUtils]: 81: Hoare triple {3745#(<= 4 fibo_~n)} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,597 INFO L280 TraceCheckUtils]: 82: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,597 INFO L280 TraceCheckUtils]: 83: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,598 INFO L280 TraceCheckUtils]: 84: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:34,598 INFO L280 TraceCheckUtils]: 85: Hoare triple {3657#(<= |fibo_#in~n| 1)} #res := 1; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:34,599 INFO L280 TraceCheckUtils]: 86: Hoare triple {3657#(<= |fibo_#in~n| 1)} assume true; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:34,600 INFO L275 TraceCheckUtils]: 87: Hoare quadruple {3657#(<= |fibo_#in~n| 1)} {3745#(<= 4 fibo_~n)} #48#return; {3189#false} is VALID [2020-07-08 15:56:34,600 INFO L280 TraceCheckUtils]: 88: Hoare triple {3189#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3189#false} is VALID [2020-07-08 15:56:34,600 INFO L280 TraceCheckUtils]: 89: Hoare triple {3189#false} #res := #t~ret0 + #t~ret1; {3189#false} is VALID [2020-07-08 15:56:34,600 INFO L280 TraceCheckUtils]: 90: Hoare triple {3189#false} havoc #t~ret1; {3189#false} is VALID [2020-07-08 15:56:34,601 INFO L280 TraceCheckUtils]: 91: Hoare triple {3189#false} havoc #t~ret0; {3189#false} is VALID [2020-07-08 15:56:34,601 INFO L280 TraceCheckUtils]: 92: Hoare triple {3189#false} assume true; {3189#false} is VALID [2020-07-08 15:56:34,601 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {3189#false} {3451#(<= fibo_~n 5)} #48#return; {3189#false} is VALID [2020-07-08 15:56:34,607 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,607 INFO L280 TraceCheckUtils]: 1: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,608 INFO L280 TraceCheckUtils]: 2: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 15:56:34,608 INFO L263 TraceCheckUtils]: 3: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,609 INFO L280 TraceCheckUtils]: 4: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,610 INFO L280 TraceCheckUtils]: 5: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,610 INFO L280 TraceCheckUtils]: 6: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,611 INFO L263 TraceCheckUtils]: 7: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,611 INFO L280 TraceCheckUtils]: 8: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,612 INFO L280 TraceCheckUtils]: 9: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,612 INFO L280 TraceCheckUtils]: 10: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,612 INFO L263 TraceCheckUtils]: 11: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,613 INFO L280 TraceCheckUtils]: 12: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,613 INFO L280 TraceCheckUtils]: 13: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,614 INFO L280 TraceCheckUtils]: 14: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,614 INFO L263 TraceCheckUtils]: 15: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,615 INFO L280 TraceCheckUtils]: 16: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,615 INFO L280 TraceCheckUtils]: 17: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,616 INFO L280 TraceCheckUtils]: 18: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:34,616 INFO L280 TraceCheckUtils]: 19: Hoare triple {3657#(<= |fibo_#in~n| 1)} #res := 1; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:34,617 INFO L280 TraceCheckUtils]: 20: Hoare triple {3657#(<= |fibo_#in~n| 1)} assume true; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:34,619 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {3657#(<= |fibo_#in~n| 1)} {3546#(= fibo_~n |fibo_#in~n|)} #46#return; {3650#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 15:56:34,619 INFO L280 TraceCheckUtils]: 22: Hoare triple {3650#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3650#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 15:56:34,619 INFO L263 TraceCheckUtils]: 23: Hoare triple {3650#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,620 INFO L280 TraceCheckUtils]: 24: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,620 INFO L280 TraceCheckUtils]: 25: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 15:56:34,620 INFO L280 TraceCheckUtils]: 26: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 15:56:34,620 INFO L280 TraceCheckUtils]: 27: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,621 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {3188#true} {3650#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} #48#return; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:34,622 INFO L280 TraceCheckUtils]: 29: Hoare triple {3656#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:34,622 INFO L280 TraceCheckUtils]: 30: Hoare triple {3656#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:34,623 INFO L280 TraceCheckUtils]: 31: Hoare triple {3656#(<= |fibo_#in~n| 2)} havoc #t~ret1; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:34,623 INFO L280 TraceCheckUtils]: 32: Hoare triple {3656#(<= |fibo_#in~n| 2)} havoc #t~ret0; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:34,624 INFO L280 TraceCheckUtils]: 33: Hoare triple {3656#(<= |fibo_#in~n| 2)} assume true; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:34,625 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {3656#(<= |fibo_#in~n| 2)} {3546#(= fibo_~n |fibo_#in~n|)} #46#return; {3636#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} is VALID [2020-07-08 15:56:34,626 INFO L280 TraceCheckUtils]: 35: Hoare triple {3636#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3636#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} is VALID [2020-07-08 15:56:34,626 INFO L263 TraceCheckUtils]: 36: Hoare triple {3636#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,626 INFO L280 TraceCheckUtils]: 37: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,627 INFO L280 TraceCheckUtils]: 38: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,627 INFO L280 TraceCheckUtils]: 39: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 15:56:34,627 INFO L280 TraceCheckUtils]: 40: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 15:56:34,627 INFO L280 TraceCheckUtils]: 41: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,628 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {3188#true} {3636#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} #48#return; {3643#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:34,629 INFO L280 TraceCheckUtils]: 43: Hoare triple {3643#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3643#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:34,629 INFO L280 TraceCheckUtils]: 44: Hoare triple {3643#(<= |fibo_#in~n| 3)} #res := #t~ret0 + #t~ret1; {3643#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:34,630 INFO L280 TraceCheckUtils]: 45: Hoare triple {3643#(<= |fibo_#in~n| 3)} havoc #t~ret1; {3643#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:34,630 INFO L280 TraceCheckUtils]: 46: Hoare triple {3643#(<= |fibo_#in~n| 3)} havoc #t~ret0; {3643#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:34,631 INFO L280 TraceCheckUtils]: 47: Hoare triple {3643#(<= |fibo_#in~n| 3)} assume true; {3643#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:34,632 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {3643#(<= |fibo_#in~n| 3)} {3546#(= fibo_~n |fibo_#in~n|)} #46#return; {3588#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 4))} is VALID [2020-07-08 15:56:34,632 INFO L280 TraceCheckUtils]: 49: Hoare triple {3588#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 4))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3588#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 4))} is VALID [2020-07-08 15:56:34,633 INFO L263 TraceCheckUtils]: 50: Hoare triple {3588#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 4))} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,633 INFO L280 TraceCheckUtils]: 51: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,633 INFO L280 TraceCheckUtils]: 52: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,633 INFO L280 TraceCheckUtils]: 53: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 15:56:34,633 INFO L263 TraceCheckUtils]: 54: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,634 INFO L280 TraceCheckUtils]: 55: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,634 INFO L280 TraceCheckUtils]: 56: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,634 INFO L280 TraceCheckUtils]: 57: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 15:56:34,634 INFO L280 TraceCheckUtils]: 58: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 15:56:34,634 INFO L280 TraceCheckUtils]: 59: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,635 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {3188#true} {3188#true} #46#return; {3188#true} is VALID [2020-07-08 15:56:34,635 INFO L280 TraceCheckUtils]: 61: Hoare triple {3188#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3188#true} is VALID [2020-07-08 15:56:34,635 INFO L263 TraceCheckUtils]: 62: Hoare triple {3188#true} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,635 INFO L280 TraceCheckUtils]: 63: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,635 INFO L280 TraceCheckUtils]: 64: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 15:56:34,635 INFO L280 TraceCheckUtils]: 65: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 15:56:34,636 INFO L280 TraceCheckUtils]: 66: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,636 INFO L275 TraceCheckUtils]: 67: Hoare quadruple {3188#true} {3188#true} #48#return; {3188#true} is VALID [2020-07-08 15:56:34,636 INFO L280 TraceCheckUtils]: 68: Hoare triple {3188#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3188#true} is VALID [2020-07-08 15:56:34,636 INFO L280 TraceCheckUtils]: 69: Hoare triple {3188#true} #res := #t~ret0 + #t~ret1; {3188#true} is VALID [2020-07-08 15:56:34,636 INFO L280 TraceCheckUtils]: 70: Hoare triple {3188#true} havoc #t~ret1; {3188#true} is VALID [2020-07-08 15:56:34,637 INFO L280 TraceCheckUtils]: 71: Hoare triple {3188#true} havoc #t~ret0; {3188#true} is VALID [2020-07-08 15:56:34,637 INFO L280 TraceCheckUtils]: 72: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,639 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {3188#true} {3588#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 4))} #48#return; {3612#(<= |fibo_#in~n| 4)} is VALID [2020-07-08 15:56:34,639 INFO L280 TraceCheckUtils]: 74: Hoare triple {3612#(<= |fibo_#in~n| 4)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3612#(<= |fibo_#in~n| 4)} is VALID [2020-07-08 15:56:34,640 INFO L280 TraceCheckUtils]: 75: Hoare triple {3612#(<= |fibo_#in~n| 4)} #res := #t~ret0 + #t~ret1; {3612#(<= |fibo_#in~n| 4)} is VALID [2020-07-08 15:56:34,640 INFO L280 TraceCheckUtils]: 76: Hoare triple {3612#(<= |fibo_#in~n| 4)} havoc #t~ret1; {3612#(<= |fibo_#in~n| 4)} is VALID [2020-07-08 15:56:34,641 INFO L280 TraceCheckUtils]: 77: Hoare triple {3612#(<= |fibo_#in~n| 4)} havoc #t~ret0; {3612#(<= |fibo_#in~n| 4)} is VALID [2020-07-08 15:56:34,641 INFO L280 TraceCheckUtils]: 78: Hoare triple {3612#(<= |fibo_#in~n| 4)} assume true; {3612#(<= |fibo_#in~n| 4)} is VALID [2020-07-08 15:56:34,642 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {3612#(<= |fibo_#in~n| 4)} {3188#true} #46#return; {3451#(<= fibo_~n 5)} is VALID [2020-07-08 15:56:34,643 INFO L280 TraceCheckUtils]: 80: Hoare triple {3451#(<= fibo_~n 5)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3451#(<= fibo_~n 5)} is VALID [2020-07-08 15:56:34,643 INFO L263 TraceCheckUtils]: 81: Hoare triple {3451#(<= fibo_~n 5)} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,643 INFO L280 TraceCheckUtils]: 82: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,644 INFO L280 TraceCheckUtils]: 83: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,644 INFO L280 TraceCheckUtils]: 84: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 15:56:34,644 INFO L263 TraceCheckUtils]: 85: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,645 INFO L280 TraceCheckUtils]: 86: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,646 INFO L280 TraceCheckUtils]: 87: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,647 INFO L280 TraceCheckUtils]: 88: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,647 INFO L263 TraceCheckUtils]: 89: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,647 INFO L280 TraceCheckUtils]: 90: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,648 INFO L280 TraceCheckUtils]: 91: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3818#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-08 15:56:34,649 INFO L280 TraceCheckUtils]: 92: Hoare triple {3818#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 15:56:34,649 INFO L263 TraceCheckUtils]: 93: Hoare triple {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,650 INFO L280 TraceCheckUtils]: 94: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,650 INFO L280 TraceCheckUtils]: 95: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,650 INFO L280 TraceCheckUtils]: 96: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 15:56:34,650 INFO L263 TraceCheckUtils]: 97: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,650 INFO L280 TraceCheckUtils]: 98: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,651 INFO L280 TraceCheckUtils]: 99: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,651 INFO L280 TraceCheckUtils]: 100: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 15:56:34,651 INFO L280 TraceCheckUtils]: 101: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 15:56:34,651 INFO L280 TraceCheckUtils]: 102: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,651 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {3188#true} {3188#true} #46#return; {3188#true} is VALID [2020-07-08 15:56:34,652 INFO L280 TraceCheckUtils]: 104: Hoare triple {3188#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3188#true} is VALID [2020-07-08 15:56:34,652 INFO L263 TraceCheckUtils]: 105: Hoare triple {3188#true} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,652 INFO L280 TraceCheckUtils]: 106: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,652 INFO L280 TraceCheckUtils]: 107: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 15:56:34,652 INFO L280 TraceCheckUtils]: 108: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 15:56:34,653 INFO L280 TraceCheckUtils]: 109: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,653 INFO L275 TraceCheckUtils]: 110: Hoare quadruple {3188#true} {3188#true} #48#return; {3188#true} is VALID [2020-07-08 15:56:34,653 INFO L280 TraceCheckUtils]: 111: Hoare triple {3188#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3188#true} is VALID [2020-07-08 15:56:34,653 INFO L280 TraceCheckUtils]: 112: Hoare triple {3188#true} #res := #t~ret0 + #t~ret1; {3188#true} is VALID [2020-07-08 15:56:34,653 INFO L280 TraceCheckUtils]: 113: Hoare triple {3188#true} havoc #t~ret1; {3188#true} is VALID [2020-07-08 15:56:34,654 INFO L280 TraceCheckUtils]: 114: Hoare triple {3188#true} havoc #t~ret0; {3188#true} is VALID [2020-07-08 15:56:34,654 INFO L280 TraceCheckUtils]: 115: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,655 INFO L275 TraceCheckUtils]: 116: Hoare quadruple {3188#true} {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #46#return; {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 15:56:34,655 INFO L280 TraceCheckUtils]: 117: Hoare triple {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 15:56:34,656 INFO L263 TraceCheckUtils]: 118: Hoare triple {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,656 INFO L280 TraceCheckUtils]: 119: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,656 INFO L280 TraceCheckUtils]: 120: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,656 INFO L280 TraceCheckUtils]: 121: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 15:56:34,657 INFO L280 TraceCheckUtils]: 122: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 15:56:34,657 INFO L280 TraceCheckUtils]: 123: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,658 INFO L275 TraceCheckUtils]: 124: Hoare quadruple {3188#true} {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #48#return; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,658 INFO L280 TraceCheckUtils]: 125: Hoare triple {3849#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,659 INFO L280 TraceCheckUtils]: 126: Hoare triple {3849#(<= 2 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,659 INFO L280 TraceCheckUtils]: 127: Hoare triple {3849#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,660 INFO L280 TraceCheckUtils]: 128: Hoare triple {3849#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,660 INFO L280 TraceCheckUtils]: 129: Hoare triple {3849#(<= 2 |fibo_#in~n|)} assume true; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,662 INFO L275 TraceCheckUtils]: 130: Hoare quadruple {3849#(<= 2 |fibo_#in~n|)} {3546#(= fibo_~n |fibo_#in~n|)} #46#return; {3793#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} is VALID [2020-07-08 15:56:34,662 INFO L280 TraceCheckUtils]: 131: Hoare triple {3793#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3793#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} is VALID [2020-07-08 15:56:34,663 INFO L263 TraceCheckUtils]: 132: Hoare triple {3793#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,663 INFO L280 TraceCheckUtils]: 133: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,663 INFO L280 TraceCheckUtils]: 134: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,663 INFO L280 TraceCheckUtils]: 135: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 15:56:34,663 INFO L263 TraceCheckUtils]: 136: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,664 INFO L280 TraceCheckUtils]: 137: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,664 INFO L280 TraceCheckUtils]: 138: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,664 INFO L280 TraceCheckUtils]: 139: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 15:56:34,664 INFO L280 TraceCheckUtils]: 140: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 15:56:34,664 INFO L280 TraceCheckUtils]: 141: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,664 INFO L275 TraceCheckUtils]: 142: Hoare quadruple {3188#true} {3188#true} #46#return; {3188#true} is VALID [2020-07-08 15:56:34,665 INFO L280 TraceCheckUtils]: 143: Hoare triple {3188#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3188#true} is VALID [2020-07-08 15:56:34,665 INFO L263 TraceCheckUtils]: 144: Hoare triple {3188#true} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,665 INFO L280 TraceCheckUtils]: 145: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,665 INFO L280 TraceCheckUtils]: 146: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 15:56:34,666 INFO L280 TraceCheckUtils]: 147: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 15:56:34,666 INFO L280 TraceCheckUtils]: 148: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,666 INFO L275 TraceCheckUtils]: 149: Hoare quadruple {3188#true} {3188#true} #48#return; {3188#true} is VALID [2020-07-08 15:56:34,666 INFO L280 TraceCheckUtils]: 150: Hoare triple {3188#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3188#true} is VALID [2020-07-08 15:56:34,666 INFO L280 TraceCheckUtils]: 151: Hoare triple {3188#true} #res := #t~ret0 + #t~ret1; {3188#true} is VALID [2020-07-08 15:56:34,667 INFO L280 TraceCheckUtils]: 152: Hoare triple {3188#true} havoc #t~ret1; {3188#true} is VALID [2020-07-08 15:56:34,667 INFO L280 TraceCheckUtils]: 153: Hoare triple {3188#true} havoc #t~ret0; {3188#true} is VALID [2020-07-08 15:56:34,667 INFO L280 TraceCheckUtils]: 154: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,669 INFO L275 TraceCheckUtils]: 155: Hoare quadruple {3188#true} {3793#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} #48#return; {3817#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,669 INFO L280 TraceCheckUtils]: 156: Hoare triple {3817#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3817#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,670 INFO L280 TraceCheckUtils]: 157: Hoare triple {3817#(<= 3 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {3817#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,670 INFO L280 TraceCheckUtils]: 158: Hoare triple {3817#(<= 3 |fibo_#in~n|)} havoc #t~ret1; {3817#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,671 INFO L280 TraceCheckUtils]: 159: Hoare triple {3817#(<= 3 |fibo_#in~n|)} havoc #t~ret0; {3817#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,671 INFO L280 TraceCheckUtils]: 160: Hoare triple {3817#(<= 3 |fibo_#in~n|)} assume true; {3817#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,672 INFO L275 TraceCheckUtils]: 161: Hoare quadruple {3817#(<= 3 |fibo_#in~n|)} {3188#true} #46#return; {3745#(<= 4 fibo_~n)} is VALID [2020-07-08 15:56:34,673 INFO L280 TraceCheckUtils]: 162: Hoare triple {3745#(<= 4 fibo_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3745#(<= 4 fibo_~n)} is VALID [2020-07-08 15:56:34,673 INFO L263 TraceCheckUtils]: 163: Hoare triple {3745#(<= 4 fibo_~n)} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,674 INFO L280 TraceCheckUtils]: 164: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,674 INFO L280 TraceCheckUtils]: 165: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,675 INFO L280 TraceCheckUtils]: 166: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:34,675 INFO L280 TraceCheckUtils]: 167: Hoare triple {3657#(<= |fibo_#in~n| 1)} #res := 1; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:34,676 INFO L280 TraceCheckUtils]: 168: Hoare triple {3657#(<= |fibo_#in~n| 1)} assume true; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:34,676 INFO L275 TraceCheckUtils]: 169: Hoare quadruple {3657#(<= |fibo_#in~n| 1)} {3745#(<= 4 fibo_~n)} #48#return; {3189#false} is VALID [2020-07-08 15:56:34,677 INFO L280 TraceCheckUtils]: 170: Hoare triple {3189#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3189#false} is VALID [2020-07-08 15:56:34,677 INFO L280 TraceCheckUtils]: 171: Hoare triple {3189#false} #res := #t~ret0 + #t~ret1; {3189#false} is VALID [2020-07-08 15:56:34,677 INFO L280 TraceCheckUtils]: 172: Hoare triple {3189#false} havoc #t~ret1; {3189#false} is VALID [2020-07-08 15:56:34,677 INFO L280 TraceCheckUtils]: 173: Hoare triple {3189#false} havoc #t~ret0; {3189#false} is VALID [2020-07-08 15:56:34,677 INFO L280 TraceCheckUtils]: 174: Hoare triple {3189#false} assume true; {3189#false} is VALID [2020-07-08 15:56:34,678 INFO L275 TraceCheckUtils]: 175: Hoare quadruple {3189#false} {3451#(<= fibo_~n 5)} #48#return; {3189#false} is VALID [2020-07-08 15:56:34,678 INFO L280 TraceCheckUtils]: 176: Hoare triple {3189#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3189#false} is VALID [2020-07-08 15:56:34,678 INFO L280 TraceCheckUtils]: 177: Hoare triple {3189#false} #res := #t~ret0 + #t~ret1; {3189#false} is VALID [2020-07-08 15:56:34,678 INFO L280 TraceCheckUtils]: 178: Hoare triple {3189#false} havoc #t~ret1; {3189#false} is VALID [2020-07-08 15:56:34,678 INFO L280 TraceCheckUtils]: 179: Hoare triple {3189#false} havoc #t~ret0; {3189#false} is VALID [2020-07-08 15:56:34,679 INFO L280 TraceCheckUtils]: 180: Hoare triple {3189#false} assume true; {3189#false} is VALID [2020-07-08 15:56:34,679 INFO L275 TraceCheckUtils]: 181: Hoare quadruple {3189#false} {3192#(<= main_~x~0 5)} #44#return; {3189#false} is VALID [2020-07-08 15:56:34,704 INFO L263 TraceCheckUtils]: 0: Hoare triple {3188#true} call ULTIMATE.init(); {3188#true} is VALID [2020-07-08 15:56:34,705 INFO L280 TraceCheckUtils]: 1: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,705 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3188#true} {3188#true} #40#return; {3188#true} is VALID [2020-07-08 15:56:34,705 INFO L263 TraceCheckUtils]: 3: Hoare triple {3188#true} call #t~ret3 := main(); {3188#true} is VALID [2020-07-08 15:56:34,708 INFO L280 TraceCheckUtils]: 4: Hoare triple {3188#true} ~x~0 := 5; {3192#(<= main_~x~0 5)} is VALID [2020-07-08 15:56:34,709 INFO L263 TraceCheckUtils]: 5: Hoare triple {3192#(<= main_~x~0 5)} call #t~ret2 := fibo(~x~0); {3188#true} is VALID [2020-07-08 15:56:34,709 INFO L280 TraceCheckUtils]: 6: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,709 INFO L280 TraceCheckUtils]: 7: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,709 INFO L280 TraceCheckUtils]: 8: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 15:56:34,709 INFO L263 TraceCheckUtils]: 9: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,712 INFO L280 TraceCheckUtils]: 10: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,713 INFO L280 TraceCheckUtils]: 11: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,714 INFO L280 TraceCheckUtils]: 12: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,714 INFO L263 TraceCheckUtils]: 13: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,714 INFO L280 TraceCheckUtils]: 14: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,715 INFO L280 TraceCheckUtils]: 15: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,715 INFO L280 TraceCheckUtils]: 16: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,715 INFO L263 TraceCheckUtils]: 17: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,716 INFO L280 TraceCheckUtils]: 18: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,716 INFO L280 TraceCheckUtils]: 19: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,717 INFO L280 TraceCheckUtils]: 20: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,717 INFO L263 TraceCheckUtils]: 21: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,717 INFO L280 TraceCheckUtils]: 22: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,718 INFO L280 TraceCheckUtils]: 23: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,718 INFO L280 TraceCheckUtils]: 24: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:34,719 INFO L280 TraceCheckUtils]: 25: Hoare triple {3657#(<= |fibo_#in~n| 1)} #res := 1; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:34,719 INFO L280 TraceCheckUtils]: 26: Hoare triple {3657#(<= |fibo_#in~n| 1)} assume true; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:34,720 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {3657#(<= |fibo_#in~n| 1)} {3546#(= fibo_~n |fibo_#in~n|)} #46#return; {3650#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 15:56:34,721 INFO L280 TraceCheckUtils]: 28: Hoare triple {3650#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3650#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 15:56:34,722 INFO L263 TraceCheckUtils]: 29: Hoare triple {3650#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,722 INFO L280 TraceCheckUtils]: 30: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,722 INFO L280 TraceCheckUtils]: 31: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 15:56:34,722 INFO L280 TraceCheckUtils]: 32: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 15:56:34,722 INFO L280 TraceCheckUtils]: 33: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,724 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {3188#true} {3650#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} #48#return; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:34,724 INFO L280 TraceCheckUtils]: 35: Hoare triple {3656#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:34,725 INFO L280 TraceCheckUtils]: 36: Hoare triple {3656#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:34,725 INFO L280 TraceCheckUtils]: 37: Hoare triple {3656#(<= |fibo_#in~n| 2)} havoc #t~ret1; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:34,726 INFO L280 TraceCheckUtils]: 38: Hoare triple {3656#(<= |fibo_#in~n| 2)} havoc #t~ret0; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:34,726 INFO L280 TraceCheckUtils]: 39: Hoare triple {3656#(<= |fibo_#in~n| 2)} assume true; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 15:56:34,728 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {3656#(<= |fibo_#in~n| 2)} {3546#(= fibo_~n |fibo_#in~n|)} #46#return; {3636#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} is VALID [2020-07-08 15:56:34,728 INFO L280 TraceCheckUtils]: 41: Hoare triple {3636#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3636#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} is VALID [2020-07-08 15:56:34,728 INFO L263 TraceCheckUtils]: 42: Hoare triple {3636#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,729 INFO L280 TraceCheckUtils]: 43: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,729 INFO L280 TraceCheckUtils]: 44: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,729 INFO L280 TraceCheckUtils]: 45: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 15:56:34,729 INFO L280 TraceCheckUtils]: 46: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 15:56:34,729 INFO L280 TraceCheckUtils]: 47: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,730 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {3188#true} {3636#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} #48#return; {3643#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:34,731 INFO L280 TraceCheckUtils]: 49: Hoare triple {3643#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3643#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:34,732 INFO L280 TraceCheckUtils]: 50: Hoare triple {3643#(<= |fibo_#in~n| 3)} #res := #t~ret0 + #t~ret1; {3643#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:34,732 INFO L280 TraceCheckUtils]: 51: Hoare triple {3643#(<= |fibo_#in~n| 3)} havoc #t~ret1; {3643#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:34,733 INFO L280 TraceCheckUtils]: 52: Hoare triple {3643#(<= |fibo_#in~n| 3)} havoc #t~ret0; {3643#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:34,733 INFO L280 TraceCheckUtils]: 53: Hoare triple {3643#(<= |fibo_#in~n| 3)} assume true; {3643#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 15:56:34,734 INFO L275 TraceCheckUtils]: 54: Hoare quadruple {3643#(<= |fibo_#in~n| 3)} {3546#(= fibo_~n |fibo_#in~n|)} #46#return; {3588#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 4))} is VALID [2020-07-08 15:56:34,735 INFO L280 TraceCheckUtils]: 55: Hoare triple {3588#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 4))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3588#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 4))} is VALID [2020-07-08 15:56:34,735 INFO L263 TraceCheckUtils]: 56: Hoare triple {3588#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 4))} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,735 INFO L280 TraceCheckUtils]: 57: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,735 INFO L280 TraceCheckUtils]: 58: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,736 INFO L280 TraceCheckUtils]: 59: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 15:56:34,736 INFO L263 TraceCheckUtils]: 60: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,736 INFO L280 TraceCheckUtils]: 61: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,736 INFO L280 TraceCheckUtils]: 62: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,736 INFO L280 TraceCheckUtils]: 63: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 15:56:34,737 INFO L280 TraceCheckUtils]: 64: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 15:56:34,737 INFO L280 TraceCheckUtils]: 65: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,737 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {3188#true} {3188#true} #46#return; {3188#true} is VALID [2020-07-08 15:56:34,737 INFO L280 TraceCheckUtils]: 67: Hoare triple {3188#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3188#true} is VALID [2020-07-08 15:56:34,737 INFO L263 TraceCheckUtils]: 68: Hoare triple {3188#true} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,737 INFO L280 TraceCheckUtils]: 69: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,738 INFO L280 TraceCheckUtils]: 70: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 15:56:34,738 INFO L280 TraceCheckUtils]: 71: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 15:56:34,738 INFO L280 TraceCheckUtils]: 72: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,738 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {3188#true} {3188#true} #48#return; {3188#true} is VALID [2020-07-08 15:56:34,738 INFO L280 TraceCheckUtils]: 74: Hoare triple {3188#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3188#true} is VALID [2020-07-08 15:56:34,739 INFO L280 TraceCheckUtils]: 75: Hoare triple {3188#true} #res := #t~ret0 + #t~ret1; {3188#true} is VALID [2020-07-08 15:56:34,739 INFO L280 TraceCheckUtils]: 76: Hoare triple {3188#true} havoc #t~ret1; {3188#true} is VALID [2020-07-08 15:56:34,739 INFO L280 TraceCheckUtils]: 77: Hoare triple {3188#true} havoc #t~ret0; {3188#true} is VALID [2020-07-08 15:56:34,739 INFO L280 TraceCheckUtils]: 78: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,741 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {3188#true} {3588#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 4))} #48#return; {3612#(<= |fibo_#in~n| 4)} is VALID [2020-07-08 15:56:34,741 INFO L280 TraceCheckUtils]: 80: Hoare triple {3612#(<= |fibo_#in~n| 4)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3612#(<= |fibo_#in~n| 4)} is VALID [2020-07-08 15:56:34,742 INFO L280 TraceCheckUtils]: 81: Hoare triple {3612#(<= |fibo_#in~n| 4)} #res := #t~ret0 + #t~ret1; {3612#(<= |fibo_#in~n| 4)} is VALID [2020-07-08 15:56:34,742 INFO L280 TraceCheckUtils]: 82: Hoare triple {3612#(<= |fibo_#in~n| 4)} havoc #t~ret1; {3612#(<= |fibo_#in~n| 4)} is VALID [2020-07-08 15:56:34,743 INFO L280 TraceCheckUtils]: 83: Hoare triple {3612#(<= |fibo_#in~n| 4)} havoc #t~ret0; {3612#(<= |fibo_#in~n| 4)} is VALID [2020-07-08 15:56:34,743 INFO L280 TraceCheckUtils]: 84: Hoare triple {3612#(<= |fibo_#in~n| 4)} assume true; {3612#(<= |fibo_#in~n| 4)} is VALID [2020-07-08 15:56:34,744 INFO L275 TraceCheckUtils]: 85: Hoare quadruple {3612#(<= |fibo_#in~n| 4)} {3188#true} #46#return; {3451#(<= fibo_~n 5)} is VALID [2020-07-08 15:56:34,745 INFO L280 TraceCheckUtils]: 86: Hoare triple {3451#(<= fibo_~n 5)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3451#(<= fibo_~n 5)} is VALID [2020-07-08 15:56:34,745 INFO L263 TraceCheckUtils]: 87: Hoare triple {3451#(<= fibo_~n 5)} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,745 INFO L280 TraceCheckUtils]: 88: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,746 INFO L280 TraceCheckUtils]: 89: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,746 INFO L280 TraceCheckUtils]: 90: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 15:56:34,746 INFO L263 TraceCheckUtils]: 91: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,746 INFO L280 TraceCheckUtils]: 92: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,747 INFO L280 TraceCheckUtils]: 93: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,747 INFO L280 TraceCheckUtils]: 94: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,747 INFO L263 TraceCheckUtils]: 95: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,748 INFO L280 TraceCheckUtils]: 96: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,749 INFO L280 TraceCheckUtils]: 97: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3818#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-08 15:56:34,749 INFO L280 TraceCheckUtils]: 98: Hoare triple {3818#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 15:56:34,750 INFO L263 TraceCheckUtils]: 99: Hoare triple {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,750 INFO L280 TraceCheckUtils]: 100: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,750 INFO L280 TraceCheckUtils]: 101: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,750 INFO L280 TraceCheckUtils]: 102: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 15:56:34,750 INFO L263 TraceCheckUtils]: 103: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,751 INFO L280 TraceCheckUtils]: 104: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,751 INFO L280 TraceCheckUtils]: 105: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,751 INFO L280 TraceCheckUtils]: 106: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 15:56:34,751 INFO L280 TraceCheckUtils]: 107: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 15:56:34,751 INFO L280 TraceCheckUtils]: 108: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,751 INFO L275 TraceCheckUtils]: 109: Hoare quadruple {3188#true} {3188#true} #46#return; {3188#true} is VALID [2020-07-08 15:56:34,752 INFO L280 TraceCheckUtils]: 110: Hoare triple {3188#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3188#true} is VALID [2020-07-08 15:56:34,752 INFO L263 TraceCheckUtils]: 111: Hoare triple {3188#true} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,752 INFO L280 TraceCheckUtils]: 112: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,752 INFO L280 TraceCheckUtils]: 113: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 15:56:34,752 INFO L280 TraceCheckUtils]: 114: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 15:56:34,752 INFO L280 TraceCheckUtils]: 115: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,753 INFO L275 TraceCheckUtils]: 116: Hoare quadruple {3188#true} {3188#true} #48#return; {3188#true} is VALID [2020-07-08 15:56:34,753 INFO L280 TraceCheckUtils]: 117: Hoare triple {3188#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3188#true} is VALID [2020-07-08 15:56:34,753 INFO L280 TraceCheckUtils]: 118: Hoare triple {3188#true} #res := #t~ret0 + #t~ret1; {3188#true} is VALID [2020-07-08 15:56:34,753 INFO L280 TraceCheckUtils]: 119: Hoare triple {3188#true} havoc #t~ret1; {3188#true} is VALID [2020-07-08 15:56:34,753 INFO L280 TraceCheckUtils]: 120: Hoare triple {3188#true} havoc #t~ret0; {3188#true} is VALID [2020-07-08 15:56:34,754 INFO L280 TraceCheckUtils]: 121: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,755 INFO L275 TraceCheckUtils]: 122: Hoare quadruple {3188#true} {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #46#return; {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 15:56:34,755 INFO L280 TraceCheckUtils]: 123: Hoare triple {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 15:56:34,756 INFO L263 TraceCheckUtils]: 124: Hoare triple {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,756 INFO L280 TraceCheckUtils]: 125: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,756 INFO L280 TraceCheckUtils]: 126: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,756 INFO L280 TraceCheckUtils]: 127: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 15:56:34,756 INFO L280 TraceCheckUtils]: 128: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 15:56:34,757 INFO L280 TraceCheckUtils]: 129: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,758 INFO L275 TraceCheckUtils]: 130: Hoare quadruple {3188#true} {3819#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #48#return; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,758 INFO L280 TraceCheckUtils]: 131: Hoare triple {3849#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,759 INFO L280 TraceCheckUtils]: 132: Hoare triple {3849#(<= 2 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,759 INFO L280 TraceCheckUtils]: 133: Hoare triple {3849#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,760 INFO L280 TraceCheckUtils]: 134: Hoare triple {3849#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,761 INFO L280 TraceCheckUtils]: 135: Hoare triple {3849#(<= 2 |fibo_#in~n|)} assume true; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,762 INFO L275 TraceCheckUtils]: 136: Hoare quadruple {3849#(<= 2 |fibo_#in~n|)} {3546#(= fibo_~n |fibo_#in~n|)} #46#return; {3793#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} is VALID [2020-07-08 15:56:34,763 INFO L280 TraceCheckUtils]: 137: Hoare triple {3793#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3793#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} is VALID [2020-07-08 15:56:34,763 INFO L263 TraceCheckUtils]: 138: Hoare triple {3793#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,763 INFO L280 TraceCheckUtils]: 139: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,763 INFO L280 TraceCheckUtils]: 140: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,763 INFO L280 TraceCheckUtils]: 141: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 15:56:34,764 INFO L263 TraceCheckUtils]: 142: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 15:56:34,764 INFO L280 TraceCheckUtils]: 143: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,764 INFO L280 TraceCheckUtils]: 144: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 15:56:34,764 INFO L280 TraceCheckUtils]: 145: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 15:56:34,764 INFO L280 TraceCheckUtils]: 146: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 15:56:34,765 INFO L280 TraceCheckUtils]: 147: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,765 INFO L275 TraceCheckUtils]: 148: Hoare quadruple {3188#true} {3188#true} #46#return; {3188#true} is VALID [2020-07-08 15:56:34,765 INFO L280 TraceCheckUtils]: 149: Hoare triple {3188#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3188#true} is VALID [2020-07-08 15:56:34,765 INFO L263 TraceCheckUtils]: 150: Hoare triple {3188#true} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,765 INFO L280 TraceCheckUtils]: 151: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 15:56:34,765 INFO L280 TraceCheckUtils]: 152: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 15:56:34,766 INFO L280 TraceCheckUtils]: 153: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 15:56:34,766 INFO L280 TraceCheckUtils]: 154: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,766 INFO L275 TraceCheckUtils]: 155: Hoare quadruple {3188#true} {3188#true} #48#return; {3188#true} is VALID [2020-07-08 15:56:34,766 INFO L280 TraceCheckUtils]: 156: Hoare triple {3188#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3188#true} is VALID [2020-07-08 15:56:34,767 INFO L280 TraceCheckUtils]: 157: Hoare triple {3188#true} #res := #t~ret0 + #t~ret1; {3188#true} is VALID [2020-07-08 15:56:34,767 INFO L280 TraceCheckUtils]: 158: Hoare triple {3188#true} havoc #t~ret1; {3188#true} is VALID [2020-07-08 15:56:34,767 INFO L280 TraceCheckUtils]: 159: Hoare triple {3188#true} havoc #t~ret0; {3188#true} is VALID [2020-07-08 15:56:34,767 INFO L280 TraceCheckUtils]: 160: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 15:56:34,769 INFO L275 TraceCheckUtils]: 161: Hoare quadruple {3188#true} {3793#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} #48#return; {3817#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,770 INFO L280 TraceCheckUtils]: 162: Hoare triple {3817#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3817#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,770 INFO L280 TraceCheckUtils]: 163: Hoare triple {3817#(<= 3 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {3817#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,771 INFO L280 TraceCheckUtils]: 164: Hoare triple {3817#(<= 3 |fibo_#in~n|)} havoc #t~ret1; {3817#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,771 INFO L280 TraceCheckUtils]: 165: Hoare triple {3817#(<= 3 |fibo_#in~n|)} havoc #t~ret0; {3817#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,772 INFO L280 TraceCheckUtils]: 166: Hoare triple {3817#(<= 3 |fibo_#in~n|)} assume true; {3817#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,773 INFO L275 TraceCheckUtils]: 167: Hoare quadruple {3817#(<= 3 |fibo_#in~n|)} {3188#true} #46#return; {3745#(<= 4 fibo_~n)} is VALID [2020-07-08 15:56:34,773 INFO L280 TraceCheckUtils]: 168: Hoare triple {3745#(<= 4 fibo_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3745#(<= 4 fibo_~n)} is VALID [2020-07-08 15:56:34,773 INFO L263 TraceCheckUtils]: 169: Hoare triple {3745#(<= 4 fibo_~n)} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 15:56:34,774 INFO L280 TraceCheckUtils]: 170: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,774 INFO L280 TraceCheckUtils]: 171: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 15:56:34,775 INFO L280 TraceCheckUtils]: 172: Hoare triple {3546#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:34,776 INFO L280 TraceCheckUtils]: 173: Hoare triple {3657#(<= |fibo_#in~n| 1)} #res := 1; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:34,776 INFO L280 TraceCheckUtils]: 174: Hoare triple {3657#(<= |fibo_#in~n| 1)} assume true; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 15:56:34,777 INFO L275 TraceCheckUtils]: 175: Hoare quadruple {3657#(<= |fibo_#in~n| 1)} {3745#(<= 4 fibo_~n)} #48#return; {3189#false} is VALID [2020-07-08 15:56:34,778 INFO L280 TraceCheckUtils]: 176: Hoare triple {3189#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3189#false} is VALID [2020-07-08 15:56:34,778 INFO L280 TraceCheckUtils]: 177: Hoare triple {3189#false} #res := #t~ret0 + #t~ret1; {3189#false} is VALID [2020-07-08 15:56:34,778 INFO L280 TraceCheckUtils]: 178: Hoare triple {3189#false} havoc #t~ret1; {3189#false} is VALID [2020-07-08 15:56:34,778 INFO L280 TraceCheckUtils]: 179: Hoare triple {3189#false} havoc #t~ret0; {3189#false} is VALID [2020-07-08 15:56:34,778 INFO L280 TraceCheckUtils]: 180: Hoare triple {3189#false} assume true; {3189#false} is VALID [2020-07-08 15:56:34,779 INFO L275 TraceCheckUtils]: 181: Hoare quadruple {3189#false} {3451#(<= fibo_~n 5)} #48#return; {3189#false} is VALID [2020-07-08 15:56:34,779 INFO L280 TraceCheckUtils]: 182: Hoare triple {3189#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3189#false} is VALID [2020-07-08 15:56:34,779 INFO L280 TraceCheckUtils]: 183: Hoare triple {3189#false} #res := #t~ret0 + #t~ret1; {3189#false} is VALID [2020-07-08 15:56:34,779 INFO L280 TraceCheckUtils]: 184: Hoare triple {3189#false} havoc #t~ret1; {3189#false} is VALID [2020-07-08 15:56:34,779 INFO L280 TraceCheckUtils]: 185: Hoare triple {3189#false} havoc #t~ret0; {3189#false} is VALID [2020-07-08 15:56:34,780 INFO L280 TraceCheckUtils]: 186: Hoare triple {3189#false} assume true; {3189#false} is VALID [2020-07-08 15:56:34,780 INFO L275 TraceCheckUtils]: 187: Hoare quadruple {3189#false} {3192#(<= main_~x~0 5)} #44#return; {3189#false} is VALID [2020-07-08 15:56:34,780 INFO L280 TraceCheckUtils]: 188: Hoare triple {3189#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3189#false} is VALID [2020-07-08 15:56:34,780 INFO L280 TraceCheckUtils]: 189: Hoare triple {3189#false} ~result~0 := #t~ret2; {3189#false} is VALID [2020-07-08 15:56:34,780 INFO L280 TraceCheckUtils]: 190: Hoare triple {3189#false} havoc #t~ret2; {3189#false} is VALID [2020-07-08 15:56:34,780 INFO L280 TraceCheckUtils]: 191: Hoare triple {3189#false} assume 5 == ~result~0; {3189#false} is VALID [2020-07-08 15:56:34,781 INFO L280 TraceCheckUtils]: 192: Hoare triple {3189#false} assume !false; {3189#false} is VALID [2020-07-08 15:56:34,823 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 47 proven. 92 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2020-07-08 15:56:34,824 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 15:56:34,824 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [109782325] [2020-07-08 15:56:34,824 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 15:56:34,824 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-07-08 15:56:34,825 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575701756] [2020-07-08 15:56:34,826 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 193 [2020-07-08 15:56:34,857 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 15:56:34,857 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 18 states. [2020-07-08 15:56:34,952 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 97 edges. 97 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:56:34,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-08 15:56:34,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 15:56:34,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-08 15:56:34,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2020-07-08 15:56:34,953 INFO L87 Difference]: Start difference. First operand 70 states and 86 transitions. Second operand 18 states. [2020-07-08 15:56:36,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:56:36,423 INFO L93 Difference]: Finished difference Result 149 states and 214 transitions. [2020-07-08 15:56:36,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-08 15:56:36,423 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 193 [2020-07-08 15:56:36,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 15:56:36,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-07-08 15:56:36,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 133 transitions. [2020-07-08 15:56:36,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-07-08 15:56:36,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 133 transitions. [2020-07-08 15:56:36,431 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 21 states and 133 transitions. [2020-07-08 15:56:36,568 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 133 edges. 133 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:56:36,571 INFO L225 Difference]: With dead ends: 149 [2020-07-08 15:56:36,572 INFO L226 Difference]: Without dead ends: 92 [2020-07-08 15:56:36,573 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=190, Invalid=622, Unknown=0, NotChecked=0, Total=812 [2020-07-08 15:56:36,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-07-08 15:56:36,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 79. [2020-07-08 15:56:36,722 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 15:56:36,722 INFO L82 GeneralOperation]: Start isEquivalent. First operand 92 states. Second operand 79 states. [2020-07-08 15:56:36,722 INFO L74 IsIncluded]: Start isIncluded. First operand 92 states. Second operand 79 states. [2020-07-08 15:56:36,723 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 79 states. [2020-07-08 15:56:36,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:56:36,728 INFO L93 Difference]: Finished difference Result 92 states and 115 transitions. [2020-07-08 15:56:36,728 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 115 transitions. [2020-07-08 15:56:36,729 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 15:56:36,729 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 15:56:36,729 INFO L74 IsIncluded]: Start isIncluded. First operand 79 states. Second operand 92 states. [2020-07-08 15:56:36,730 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 92 states. [2020-07-08 15:56:36,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:56:36,735 INFO L93 Difference]: Finished difference Result 92 states and 115 transitions. [2020-07-08 15:56:36,735 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 115 transitions. [2020-07-08 15:56:36,735 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 15:56:36,736 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 15:56:36,736 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 15:56:36,736 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 15:56:36,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-07-08 15:56:36,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 97 transitions. [2020-07-08 15:56:36,740 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 97 transitions. Word has length 193 [2020-07-08 15:56:36,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 15:56:36,741 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 97 transitions. [2020-07-08 15:56:36,741 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-08 15:56:36,741 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 79 states and 97 transitions. [2020-07-08 15:56:36,858 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 97 edges. 97 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:56:36,858 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 97 transitions. [2020-07-08 15:56:36,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-07-08 15:56:36,860 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 15:56:36,860 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 12, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 15:56:36,861 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-08 15:56:36,861 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 15:56:36,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 15:56:36,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1618484333, now seen corresponding path program 6 times [2020-07-08 15:56:36,861 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 15:56:36,862 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [736472814] [2020-07-08 15:56:36,862 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Garbage collection #1: 17 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 17 to 31 Garbage collection #2: 31 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 31 to 61 Garbage collection #3: 61 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 61 to 113 Garbage collection #4: 113 nodes / 0 free / 0.001s / 0.001s total Resizing node table from 113 to 223 [2020-07-08 15:56:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 15:56:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 15:56:37,014 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 15:56:37,015 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-08 15:56:37,015 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-08 15:56:37,017 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-08 15:56:37,049 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-08 15:56:37,049 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 15:56:37,049 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 15:56:37,049 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-08 15:56:37,050 WARN L170 areAnnotationChecker]: fiboENTRY has no Hoare annotation [2020-07-08 15:56:37,050 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-08 15:56:37,050 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 15:56:37,050 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 15:56:37,050 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-08 15:56:37,050 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-08 15:56:37,050 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2020-07-08 15:56:37,050 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2020-07-08 15:56:37,050 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-08 15:56:37,050 WARN L170 areAnnotationChecker]: L25-1 has no Hoare annotation [2020-07-08 15:56:37,051 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2020-07-08 15:56:37,051 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-08 15:56:37,051 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-08 15:56:37,051 WARN L170 areAnnotationChecker]: L25-2 has no Hoare annotation [2020-07-08 15:56:37,051 WARN L170 areAnnotationChecker]: fiboFINAL has no Hoare annotation [2020-07-08 15:56:37,051 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2020-07-08 15:56:37,051 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-08 15:56:37,051 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-08 15:56:37,051 WARN L170 areAnnotationChecker]: L25-3 has no Hoare annotation [2020-07-08 15:56:37,052 WARN L170 areAnnotationChecker]: fiboEXIT has no Hoare annotation [2020-07-08 15:56:37,052 WARN L170 areAnnotationChecker]: fiboEXIT has no Hoare annotation [2020-07-08 15:56:37,052 WARN L170 areAnnotationChecker]: fiboEXIT has no Hoare annotation [2020-07-08 15:56:37,052 WARN L170 areAnnotationChecker]: L11-1 has no Hoare annotation [2020-07-08 15:56:37,052 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-08 15:56:37,052 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-08 15:56:37,052 WARN L170 areAnnotationChecker]: L11-3 has no Hoare annotation [2020-07-08 15:56:37,052 WARN L170 areAnnotationChecker]: L11-2 has no Hoare annotation [2020-07-08 15:56:37,052 WARN L170 areAnnotationChecker]: L11-2 has no Hoare annotation [2020-07-08 15:56:37,052 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-08 15:56:37,053 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-08 15:56:37,053 WARN L170 areAnnotationChecker]: L26-2 has no Hoare annotation [2020-07-08 15:56:37,053 WARN L170 areAnnotationChecker]: L11-4 has no Hoare annotation [2020-07-08 15:56:37,053 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-08 15:56:37,053 WARN L170 areAnnotationChecker]: L11-5 has no Hoare annotation [2020-07-08 15:56:37,053 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-08 15:56:37,053 WARN L170 areAnnotationChecker]: L11-6 has no Hoare annotation [2020-07-08 15:56:37,053 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. [2020-07-08 15:56:37,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 03:56:37 BoogieIcfgContainer [2020-07-08 15:56:37,056 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 15:56:37,064 INFO L168 Benchmark]: Toolchain (without parser) took 11830.57 ms. Allocated memory was 146.8 MB in the beginning and 356.5 MB in the end (delta: 209.7 MB). Free memory was 104.9 MB in the beginning and 120.0 MB in the end (delta: -15.1 MB). Peak memory consumption was 194.6 MB. Max. memory is 7.1 GB. [2020-07-08 15:56:37,066 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 146.8 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-08 15:56:37,066 INFO L168 Benchmark]: CACSL2BoogieTranslator took 220.34 ms. Allocated memory is still 146.8 MB. Free memory was 104.7 MB in the beginning and 95.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2020-07-08 15:56:37,067 INFO L168 Benchmark]: Boogie Preprocessor took 27.38 ms. Allocated memory is still 146.8 MB. Free memory was 95.3 MB in the beginning and 93.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-07-08 15:56:37,067 INFO L168 Benchmark]: RCFGBuilder took 448.48 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 93.9 MB in the beginning and 166.6 MB in the end (delta: -72.7 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-07-08 15:56:37,070 INFO L168 Benchmark]: TraceAbstraction took 11124.28 ms. Allocated memory was 203.9 MB in the beginning and 356.5 MB in the end (delta: 152.6 MB). Free memory was 165.9 MB in the beginning and 120.0 MB in the end (delta: 45.9 MB). Peak memory consumption was 198.5 MB. Max. memory is 7.1 GB. [2020-07-08 15:56:37,077 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 0.20 ms. Allocated memory is still 146.8 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 220.34 ms. Allocated memory is still 146.8 MB. Free memory was 104.7 MB in the beginning and 95.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.38 ms. Allocated memory is still 146.8 MB. Free memory was 95.3 MB in the beginning and 93.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 448.48 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 93.9 MB in the beginning and 166.6 MB in the end (delta: -72.7 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11124.28 ms. Allocated memory was 203.9 MB in the beginning and 356.5 MB in the end (delta: 152.6 MB). Free memory was 165.9 MB in the beginning and 120.0 MB in the end (delta: 45.9 MB). Peak memory consumption was 198.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 27]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L24] int x = 5; [L25] CALL, EXPR fibo(x) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L25] RET, EXPR fibo(x) [L25] int result = fibo(x); [L26] COND TRUE result == 5 [L27] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 11.0s, OverallIterations: 9, TraceHistogramMax: 21, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 231 SDtfs, 523 SDslu, 700 SDs, 0 SdLazy, 677 SolverSat, 272 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 225 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 8 MinimizatonAttempts, 36 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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...