/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_5-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 22:06:30,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 22:06:30,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 22:06:30,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 22:06:30,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 22:06:30,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 22:06:30,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 22:06:30,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 22:06:30,830 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 22:06:30,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 22:06:30,834 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 22:06:30,836 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 22:06:30,836 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 22:06:30,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 22:06:30,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 22:06:30,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 22:06:30,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 22:06:30,851 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 22:06:30,853 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 22:06:30,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 22:06:30,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 22:06:30,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 22:06:30,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 22:06:30,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 22:06:30,870 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-08 22:06:30,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 22:06:30,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 22:06:30,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 22:06:30,892 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 22:06:30,910 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 22:06:30,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 22:06:30,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 22:06:30,913 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 22:06:30,913 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 22:06:30,913 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 22:06:30,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 22:06:30,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 22:06:30,914 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 22:06:30,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 22:06:30,915 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 22:06:30,916 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 22:06:30,916 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 22:06:30,916 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 22:06:30,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 22:06:30,917 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 22:06:30,917 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 22:06:30,917 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 22:06:30,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 22:06:30,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 22:06:30,918 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 22:06:30,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 22:06:30,918 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-08 22:06:31,190 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 22:06:31,207 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 22:06:31,211 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 22:06:31,213 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 22:06:31,213 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 22:06:31,214 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_5-2.c [2020-07-08 22:06:31,296 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38a6cf2f6/eb1f4394f29349f9972019033bfc1345/FLAGfe1b74707 [2020-07-08 22:06:31,839 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 22:06:31,840 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/fibo_5-2.c [2020-07-08 22:06:31,847 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38a6cf2f6/eb1f4394f29349f9972019033bfc1345/FLAGfe1b74707 [2020-07-08 22:06:32,171 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38a6cf2f6/eb1f4394f29349f9972019033bfc1345 [2020-07-08 22:06:32,182 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 22:06:32,186 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 22:06:32,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 22:06:32,187 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 22:06:32,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 22:06:32,193 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 10:06:32" (1/1) ... [2020-07-08 22:06:32,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d0c752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:06:32, skipping insertion in model container [2020-07-08 22:06:32,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 10:06:32" (1/1) ... [2020-07-08 22:06:32,205 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 22:06:32,232 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 22:06:32,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 22:06:32,507 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 22:06:32,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 22:06:32,552 INFO L208 MainTranslator]: Completed translation [2020-07-08 22:06:32,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:06:32 WrapperNode [2020-07-08 22:06:32,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 22:06:32,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 22:06:32,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 22:06:32,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 22:06:32,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:06:32" (1/1) ... [2020-07-08 22:06:32,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:06:32" (1/1) ... [2020-07-08 22:06:32,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:06:32" (1/1) ... [2020-07-08 22:06:32,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:06:32" (1/1) ... [2020-07-08 22:06:32,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:06:32" (1/1) ... [2020-07-08 22:06:32,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:06:32" (1/1) ... [2020-07-08 22:06:32,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:06:32" (1/1) ... [2020-07-08 22:06:32,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 22:06:32,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 22:06:32,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 22:06:32,588 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 22:06:32,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:06:32" (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 22:06:32,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 22:06:32,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 22:06:32,739 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2020-07-08 22:06:32,739 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 22:06:32,739 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-08 22:06:32,739 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 22:06:32,740 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2020-07-08 22:06:32,740 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 22:06:32,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 22:06:32,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 22:06:32,988 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 22:06:32,988 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-08 22:06:32,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 10:06:32 BoogieIcfgContainer [2020-07-08 22:06:32,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 22:06:32,994 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 22:06:32,994 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 22:06:32,998 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 22:06:32,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 10:06:32" (1/3) ... [2020-07-08 22:06:33,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@229a4a30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 10:06:32, skipping insertion in model container [2020-07-08 22:06:33,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:06:32" (2/3) ... [2020-07-08 22:06:33,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@229a4a30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 10:06:33, skipping insertion in model container [2020-07-08 22:06:33,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 10:06:32" (3/3) ... [2020-07-08 22:06:33,003 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_5-2.c [2020-07-08 22:06:33,017 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 22:06:33,029 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 22:06:33,044 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 22:06:33,073 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 22:06:33,073 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 22:06:33,073 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-08 22:06:33,074 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 22:06:33,074 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 22:06:33,074 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 22:06:33,074 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 22:06:33,075 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 22:06:33,098 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2020-07-08 22:06:33,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-08 22:06:33,121 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:06:33,122 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:06:33,131 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:06:33,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:06:33,139 INFO L82 PathProgramCache]: Analyzing trace with hash -1756383024, now seen corresponding path program 1 times [2020-07-08 22:06:33,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:06:33,160 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1766870159] [2020-07-08 22:06:33,161 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:06:33,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:33,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:33,363 INFO L280 TraceCheckUtils]: 0: Hoare triple {34#true} assume true; {34#true} is VALID [2020-07-08 22:06:33,364 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {34#true} {34#true} #40#return; {34#true} is VALID [2020-07-08 22:06:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:33,432 INFO L280 TraceCheckUtils]: 0: Hoare triple {34#true} ~n := #in~n; {44#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:33,433 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 22:06:33,435 INFO L280 TraceCheckUtils]: 2: Hoare triple {45#(<= |fibo_#in~n| 0)} #res := 0; {45#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 22:06:33,436 INFO L280 TraceCheckUtils]: 3: Hoare triple {45#(<= |fibo_#in~n| 0)} assume true; {45#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 22:06:33,439 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 22:06:33,440 INFO L263 TraceCheckUtils]: 0: Hoare triple {34#true} call ULTIMATE.init(); {34#true} is VALID [2020-07-08 22:06:33,440 INFO L280 TraceCheckUtils]: 1: Hoare triple {34#true} assume true; {34#true} is VALID [2020-07-08 22:06:33,441 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {34#true} {34#true} #40#return; {34#true} is VALID [2020-07-08 22:06:33,441 INFO L263 TraceCheckUtils]: 3: Hoare triple {34#true} call #t~ret3 := main(); {34#true} is VALID [2020-07-08 22:06:33,443 INFO L280 TraceCheckUtils]: 4: Hoare triple {34#true} ~x~0 := 5; {38#(<= 5 main_~x~0)} is VALID [2020-07-08 22:06:33,443 INFO L263 TraceCheckUtils]: 5: Hoare triple {38#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {34#true} is VALID [2020-07-08 22:06:33,445 INFO L280 TraceCheckUtils]: 6: Hoare triple {34#true} ~n := #in~n; {44#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:33,447 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 22:06:33,450 INFO L280 TraceCheckUtils]: 8: Hoare triple {45#(<= |fibo_#in~n| 0)} #res := 0; {45#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 22:06:33,451 INFO L280 TraceCheckUtils]: 9: Hoare triple {45#(<= |fibo_#in~n| 0)} assume true; {45#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 22:06:33,454 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 22:06:33,454 INFO L280 TraceCheckUtils]: 11: Hoare triple {35#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {35#false} is VALID [2020-07-08 22:06:33,455 INFO L280 TraceCheckUtils]: 12: Hoare triple {35#false} ~result~0 := #t~ret2; {35#false} is VALID [2020-07-08 22:06:33,455 INFO L280 TraceCheckUtils]: 13: Hoare triple {35#false} havoc #t~ret2; {35#false} is VALID [2020-07-08 22:06:33,456 INFO L280 TraceCheckUtils]: 14: Hoare triple {35#false} assume 5 == ~result~0; {35#false} is VALID [2020-07-08 22:06:33,456 INFO L280 TraceCheckUtils]: 15: Hoare triple {35#false} assume !false; {35#false} is VALID [2020-07-08 22:06:33,458 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 22:06:33,460 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1766870159] [2020-07-08 22:06:33,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 22:06:33,463 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-08 22:06:33,464 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546670188] [2020-07-08 22:06:33,471 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-07-08 22:06:33,474 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:06:33,479 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-08 22:06:33,517 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 22:06:33,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-08 22:06:33,518 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:06:33,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-08 22:06:33,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-08 22:06:33,532 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 5 states. [2020-07-08 22:06:33,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:06:33,961 INFO L93 Difference]: Finished difference Result 44 states and 50 transitions. [2020-07-08 22:06:33,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-08 22:06:33,962 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-07-08 22:06:33,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:06:33,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-08 22:06:33,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 50 transitions. [2020-07-08 22:06:33,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-08 22:06:33,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 50 transitions. [2020-07-08 22:06:33,993 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 50 transitions. [2020-07-08 22:06:34,080 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 22:06:34,094 INFO L225 Difference]: With dead ends: 44 [2020-07-08 22:06:34,094 INFO L226 Difference]: Without dead ends: 28 [2020-07-08 22:06:34,100 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 22:06:34,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-07-08 22:06:34,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-07-08 22:06:34,218 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:06:34,218 INFO L82 GeneralOperation]: Start isEquivalent. First operand 28 states. Second operand 28 states. [2020-07-08 22:06:34,219 INFO L74 IsIncluded]: Start isIncluded. First operand 28 states. Second operand 28 states. [2020-07-08 22:06:34,219 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 28 states. [2020-07-08 22:06:34,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:06:34,226 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2020-07-08 22:06:34,226 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-07-08 22:06:34,227 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:06:34,228 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:06:34,228 INFO L74 IsIncluded]: Start isIncluded. First operand 28 states. Second operand 28 states. [2020-07-08 22:06:34,228 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 28 states. [2020-07-08 22:06:34,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:06:34,234 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2020-07-08 22:06:34,234 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-07-08 22:06:34,235 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:06:34,235 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:06:34,236 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:06:34,236 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:06:34,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-07-08 22:06:34,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2020-07-08 22:06:34,243 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 16 [2020-07-08 22:06:34,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:06:34,244 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2020-07-08 22:06:34,244 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-08 22:06:34,244 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 28 states and 32 transitions. [2020-07-08 22:06:34,292 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 22:06:34,292 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-07-08 22:06:34,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-08 22:06:34,293 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:06:34,294 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 22:06:34,294 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 22:06:34,294 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:06:34,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:06:34,295 INFO L82 PathProgramCache]: Analyzing trace with hash -389703589, now seen corresponding path program 1 times [2020-07-08 22:06:34,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:06:34,296 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1280855126] [2020-07-08 22:06:34,296 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:06:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:34,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:34,337 INFO L280 TraceCheckUtils]: 0: Hoare triple {250#true} assume true; {250#true} is VALID [2020-07-08 22:06:34,338 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {250#true} {250#true} #40#return; {250#true} is VALID [2020-07-08 22:06:34,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:34,375 INFO L280 TraceCheckUtils]: 0: Hoare triple {250#true} ~n := #in~n; {261#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:34,376 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 22:06:34,377 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 22:06:34,378 INFO L280 TraceCheckUtils]: 3: Hoare triple {262#(<= |fibo_#in~n| 1)} #res := 1; {262#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:34,379 INFO L280 TraceCheckUtils]: 4: Hoare triple {262#(<= |fibo_#in~n| 1)} assume true; {262#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:34,381 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 22:06:34,382 INFO L263 TraceCheckUtils]: 0: Hoare triple {250#true} call ULTIMATE.init(); {250#true} is VALID [2020-07-08 22:06:34,382 INFO L280 TraceCheckUtils]: 1: Hoare triple {250#true} assume true; {250#true} is VALID [2020-07-08 22:06:34,383 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {250#true} {250#true} #40#return; {250#true} is VALID [2020-07-08 22:06:34,383 INFO L263 TraceCheckUtils]: 3: Hoare triple {250#true} call #t~ret3 := main(); {250#true} is VALID [2020-07-08 22:06:34,384 INFO L280 TraceCheckUtils]: 4: Hoare triple {250#true} ~x~0 := 5; {254#(<= 5 main_~x~0)} is VALID [2020-07-08 22:06:34,384 INFO L263 TraceCheckUtils]: 5: Hoare triple {254#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {250#true} is VALID [2020-07-08 22:06:34,385 INFO L280 TraceCheckUtils]: 6: Hoare triple {250#true} ~n := #in~n; {261#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:34,386 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 22:06:34,387 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 22:06:34,387 INFO L280 TraceCheckUtils]: 9: Hoare triple {262#(<= |fibo_#in~n| 1)} #res := 1; {262#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:34,388 INFO L280 TraceCheckUtils]: 10: Hoare triple {262#(<= |fibo_#in~n| 1)} assume true; {262#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:34,389 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 22:06:34,390 INFO L280 TraceCheckUtils]: 12: Hoare triple {251#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {251#false} is VALID [2020-07-08 22:06:34,390 INFO L280 TraceCheckUtils]: 13: Hoare triple {251#false} ~result~0 := #t~ret2; {251#false} is VALID [2020-07-08 22:06:34,390 INFO L280 TraceCheckUtils]: 14: Hoare triple {251#false} havoc #t~ret2; {251#false} is VALID [2020-07-08 22:06:34,391 INFO L280 TraceCheckUtils]: 15: Hoare triple {251#false} assume 5 == ~result~0; {251#false} is VALID [2020-07-08 22:06:34,391 INFO L280 TraceCheckUtils]: 16: Hoare triple {251#false} assume !false; {251#false} is VALID [2020-07-08 22:06:34,392 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 22:06:34,392 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1280855126] [2020-07-08 22:06:34,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 22:06:34,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-08 22:06:34,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182751256] [2020-07-08 22:06:34,395 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-07-08 22:06:34,396 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:06:34,396 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-08 22:06:34,417 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 22:06:34,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-08 22:06:34,418 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:06:34,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-08 22:06:34,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-08 22:06:34,419 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 5 states. [2020-07-08 22:06:34,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:06:34,617 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions. [2020-07-08 22:06:34,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-08 22:06:34,617 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-07-08 22:06:34,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:06:34,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-08 22:06:34,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 38 transitions. [2020-07-08 22:06:34,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-08 22:06:34,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 38 transitions. [2020-07-08 22:06:34,624 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 38 transitions. [2020-07-08 22:06:34,680 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 22:06:34,683 INFO L225 Difference]: With dead ends: 36 [2020-07-08 22:06:34,683 INFO L226 Difference]: Without dead ends: 30 [2020-07-08 22:06:34,685 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 22:06:34,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-07-08 22:06:34,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2020-07-08 22:06:34,723 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:06:34,723 INFO L82 GeneralOperation]: Start isEquivalent. First operand 30 states. Second operand 28 states. [2020-07-08 22:06:34,723 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand 28 states. [2020-07-08 22:06:34,723 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 28 states. [2020-07-08 22:06:34,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:06:34,727 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2020-07-08 22:06:34,728 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2020-07-08 22:06:34,729 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:06:34,729 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:06:34,729 INFO L74 IsIncluded]: Start isIncluded. First operand 28 states. Second operand 30 states. [2020-07-08 22:06:34,729 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 30 states. [2020-07-08 22:06:34,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:06:34,733 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2020-07-08 22:06:34,733 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2020-07-08 22:06:34,734 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:06:34,734 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:06:34,734 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:06:34,735 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:06:34,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-07-08 22:06:34,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2020-07-08 22:06:34,738 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 17 [2020-07-08 22:06:34,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:06:34,738 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2020-07-08 22:06:34,738 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-08 22:06:34,739 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 28 states and 32 transitions. [2020-07-08 22:06:34,798 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 22:06:34,798 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-07-08 22:06:34,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-08 22:06:34,800 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:06:34,800 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 22:06:34,801 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 22:06:34,801 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:06:34,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:06:34,802 INFO L82 PathProgramCache]: Analyzing trace with hash 50309368, now seen corresponding path program 1 times [2020-07-08 22:06:34,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:06:34,802 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [385637380] [2020-07-08 22:06:34,803 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:06:34,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:34,855 INFO L280 TraceCheckUtils]: 0: Hoare triple {455#true} assume true; {455#true} is VALID [2020-07-08 22:06:34,856 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {455#true} {455#true} #40#return; {455#true} is VALID [2020-07-08 22:06:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:34,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:34,946 INFO L280 TraceCheckUtils]: 0: Hoare triple {455#true} ~n := #in~n; {494#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:34,947 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 22:06:34,948 INFO L280 TraceCheckUtils]: 2: Hoare triple {495#(<= |fibo_#in~n| 0)} #res := 0; {495#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 22:06:34,949 INFO L280 TraceCheckUtils]: 3: Hoare triple {495#(<= |fibo_#in~n| 0)} assume true; {495#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 22:06:34,951 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {495#(<= |fibo_#in~n| 0)} {483#(< 1 fibo_~n)} #46#return; {456#false} is VALID [2020-07-08 22:06:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:34,959 INFO L280 TraceCheckUtils]: 0: Hoare triple {455#true} ~n := #in~n; {455#true} is VALID [2020-07-08 22:06:34,960 INFO L280 TraceCheckUtils]: 1: Hoare triple {455#true} assume ~n < 1; {455#true} is VALID [2020-07-08 22:06:34,960 INFO L280 TraceCheckUtils]: 2: Hoare triple {455#true} #res := 0; {455#true} is VALID [2020-07-08 22:06:34,960 INFO L280 TraceCheckUtils]: 3: Hoare triple {455#true} assume true; {455#true} is VALID [2020-07-08 22:06:34,961 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {455#true} {456#false} #48#return; {456#false} is VALID [2020-07-08 22:06:34,961 INFO L280 TraceCheckUtils]: 0: Hoare triple {455#true} ~n := #in~n; {455#true} is VALID [2020-07-08 22:06:34,963 INFO L280 TraceCheckUtils]: 1: Hoare triple {455#true} assume !(~n < 1); {482#(< 0 fibo_~n)} is VALID [2020-07-08 22:06:34,964 INFO L280 TraceCheckUtils]: 2: Hoare triple {482#(< 0 fibo_~n)} assume !(1 == ~n); {483#(< 1 fibo_~n)} is VALID [2020-07-08 22:06:34,964 INFO L263 TraceCheckUtils]: 3: Hoare triple {483#(< 1 fibo_~n)} call #t~ret0 := fibo(~n - 1); {455#true} is VALID [2020-07-08 22:06:34,965 INFO L280 TraceCheckUtils]: 4: Hoare triple {455#true} ~n := #in~n; {494#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:34,966 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 22:06:34,967 INFO L280 TraceCheckUtils]: 6: Hoare triple {495#(<= |fibo_#in~n| 0)} #res := 0; {495#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 22:06:34,968 INFO L280 TraceCheckUtils]: 7: Hoare triple {495#(<= |fibo_#in~n| 0)} assume true; {495#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 22:06:34,970 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {495#(<= |fibo_#in~n| 0)} {483#(< 1 fibo_~n)} #46#return; {456#false} is VALID [2020-07-08 22:06:34,970 INFO L280 TraceCheckUtils]: 9: Hoare triple {456#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {456#false} is VALID [2020-07-08 22:06:34,971 INFO L263 TraceCheckUtils]: 10: Hoare triple {456#false} call #t~ret1 := fibo(~n - 2); {455#true} is VALID [2020-07-08 22:06:34,971 INFO L280 TraceCheckUtils]: 11: Hoare triple {455#true} ~n := #in~n; {455#true} is VALID [2020-07-08 22:06:34,971 INFO L280 TraceCheckUtils]: 12: Hoare triple {455#true} assume ~n < 1; {455#true} is VALID [2020-07-08 22:06:34,972 INFO L280 TraceCheckUtils]: 13: Hoare triple {455#true} #res := 0; {455#true} is VALID [2020-07-08 22:06:34,972 INFO L280 TraceCheckUtils]: 14: Hoare triple {455#true} assume true; {455#true} is VALID [2020-07-08 22:06:34,972 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {455#true} {456#false} #48#return; {456#false} is VALID [2020-07-08 22:06:34,973 INFO L280 TraceCheckUtils]: 16: Hoare triple {456#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {456#false} is VALID [2020-07-08 22:06:34,973 INFO L280 TraceCheckUtils]: 17: Hoare triple {456#false} #res := #t~ret0 + #t~ret1; {456#false} is VALID [2020-07-08 22:06:34,973 INFO L280 TraceCheckUtils]: 18: Hoare triple {456#false} havoc #t~ret0; {456#false} is VALID [2020-07-08 22:06:34,974 INFO L280 TraceCheckUtils]: 19: Hoare triple {456#false} havoc #t~ret1; {456#false} is VALID [2020-07-08 22:06:34,974 INFO L280 TraceCheckUtils]: 20: Hoare triple {456#false} assume true; {456#false} is VALID [2020-07-08 22:06:34,975 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {456#false} {459#(<= 5 main_~x~0)} #44#return; {456#false} is VALID [2020-07-08 22:06:34,976 INFO L263 TraceCheckUtils]: 0: Hoare triple {455#true} call ULTIMATE.init(); {455#true} is VALID [2020-07-08 22:06:34,976 INFO L280 TraceCheckUtils]: 1: Hoare triple {455#true} assume true; {455#true} is VALID [2020-07-08 22:06:34,977 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {455#true} {455#true} #40#return; {455#true} is VALID [2020-07-08 22:06:34,977 INFO L263 TraceCheckUtils]: 3: Hoare triple {455#true} call #t~ret3 := main(); {455#true} is VALID [2020-07-08 22:06:34,978 INFO L280 TraceCheckUtils]: 4: Hoare triple {455#true} ~x~0 := 5; {459#(<= 5 main_~x~0)} is VALID [2020-07-08 22:06:34,979 INFO L263 TraceCheckUtils]: 5: Hoare triple {459#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {455#true} is VALID [2020-07-08 22:06:34,979 INFO L280 TraceCheckUtils]: 6: Hoare triple {455#true} ~n := #in~n; {455#true} is VALID [2020-07-08 22:06:34,980 INFO L280 TraceCheckUtils]: 7: Hoare triple {455#true} assume !(~n < 1); {482#(< 0 fibo_~n)} is VALID [2020-07-08 22:06:34,982 INFO L280 TraceCheckUtils]: 8: Hoare triple {482#(< 0 fibo_~n)} assume !(1 == ~n); {483#(< 1 fibo_~n)} is VALID [2020-07-08 22:06:34,982 INFO L263 TraceCheckUtils]: 9: Hoare triple {483#(< 1 fibo_~n)} call #t~ret0 := fibo(~n - 1); {455#true} is VALID [2020-07-08 22:06:34,983 INFO L280 TraceCheckUtils]: 10: Hoare triple {455#true} ~n := #in~n; {494#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:34,984 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 22:06:34,985 INFO L280 TraceCheckUtils]: 12: Hoare triple {495#(<= |fibo_#in~n| 0)} #res := 0; {495#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 22:06:34,985 INFO L280 TraceCheckUtils]: 13: Hoare triple {495#(<= |fibo_#in~n| 0)} assume true; {495#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 22:06:34,987 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {495#(<= |fibo_#in~n| 0)} {483#(< 1 fibo_~n)} #46#return; {456#false} is VALID [2020-07-08 22:06:34,988 INFO L280 TraceCheckUtils]: 15: Hoare triple {456#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {456#false} is VALID [2020-07-08 22:06:34,988 INFO L263 TraceCheckUtils]: 16: Hoare triple {456#false} call #t~ret1 := fibo(~n - 2); {455#true} is VALID [2020-07-08 22:06:34,988 INFO L280 TraceCheckUtils]: 17: Hoare triple {455#true} ~n := #in~n; {455#true} is VALID [2020-07-08 22:06:34,989 INFO L280 TraceCheckUtils]: 18: Hoare triple {455#true} assume ~n < 1; {455#true} is VALID [2020-07-08 22:06:34,989 INFO L280 TraceCheckUtils]: 19: Hoare triple {455#true} #res := 0; {455#true} is VALID [2020-07-08 22:06:34,989 INFO L280 TraceCheckUtils]: 20: Hoare triple {455#true} assume true; {455#true} is VALID [2020-07-08 22:06:34,990 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {455#true} {456#false} #48#return; {456#false} is VALID [2020-07-08 22:06:34,990 INFO L280 TraceCheckUtils]: 22: Hoare triple {456#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {456#false} is VALID [2020-07-08 22:06:34,990 INFO L280 TraceCheckUtils]: 23: Hoare triple {456#false} #res := #t~ret0 + #t~ret1; {456#false} is VALID [2020-07-08 22:06:34,991 INFO L280 TraceCheckUtils]: 24: Hoare triple {456#false} havoc #t~ret0; {456#false} is VALID [2020-07-08 22:06:34,991 INFO L280 TraceCheckUtils]: 25: Hoare triple {456#false} havoc #t~ret1; {456#false} is VALID [2020-07-08 22:06:34,993 INFO L280 TraceCheckUtils]: 26: Hoare triple {456#false} assume true; {456#false} is VALID [2020-07-08 22:06:34,993 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {456#false} {459#(<= 5 main_~x~0)} #44#return; {456#false} is VALID [2020-07-08 22:06:34,994 INFO L280 TraceCheckUtils]: 28: Hoare triple {456#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {456#false} is VALID [2020-07-08 22:06:34,994 INFO L280 TraceCheckUtils]: 29: Hoare triple {456#false} ~result~0 := #t~ret2; {456#false} is VALID [2020-07-08 22:06:34,994 INFO L280 TraceCheckUtils]: 30: Hoare triple {456#false} havoc #t~ret2; {456#false} is VALID [2020-07-08 22:06:34,995 INFO L280 TraceCheckUtils]: 31: Hoare triple {456#false} assume 5 == ~result~0; {456#false} is VALID [2020-07-08 22:06:34,995 INFO L280 TraceCheckUtils]: 32: Hoare triple {456#false} assume !false; {456#false} is VALID [2020-07-08 22:06:34,998 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-08 22:06:34,998 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [385637380] [2020-07-08 22:06:34,999 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 22:06:34,999 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-07-08 22:06:34,999 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867287125] [2020-07-08 22:06:35,000 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-07-08 22:06:35,001 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:06:35,001 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-08 22:06:35,042 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 22:06:35,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-08 22:06:35,042 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:06:35,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-08 22:06:35,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-08 22:06:35,043 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 7 states. [2020-07-08 22:06:35,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:06:35,375 INFO L93 Difference]: Finished difference Result 52 states and 63 transitions. [2020-07-08 22:06:35,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-08 22:06:35,376 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-07-08 22:06:35,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:06:35,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 22:06:35,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 60 transitions. [2020-07-08 22:06:35,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 22:06:35,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 60 transitions. [2020-07-08 22:06:35,384 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 60 transitions. [2020-07-08 22:06:35,463 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 22:06:35,465 INFO L225 Difference]: With dead ends: 52 [2020-07-08 22:06:35,465 INFO L226 Difference]: Without dead ends: 30 [2020-07-08 22:06:35,466 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 22:06:35,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-07-08 22:06:35,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-07-08 22:06:35,514 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:06:35,514 INFO L82 GeneralOperation]: Start isEquivalent. First operand 30 states. Second operand 30 states. [2020-07-08 22:06:35,514 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand 30 states. [2020-07-08 22:06:35,514 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 30 states. [2020-07-08 22:06:35,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:06:35,517 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2020-07-08 22:06:35,518 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2020-07-08 22:06:35,518 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:06:35,519 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:06:35,519 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand 30 states. [2020-07-08 22:06:35,519 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 30 states. [2020-07-08 22:06:35,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:06:35,522 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2020-07-08 22:06:35,522 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2020-07-08 22:06:35,523 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:06:35,523 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:06:35,523 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:06:35,524 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:06:35,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-07-08 22:06:35,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2020-07-08 22:06:35,527 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 33 [2020-07-08 22:06:35,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:06:35,527 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2020-07-08 22:06:35,527 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-08 22:06:35,528 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 30 states and 34 transitions. [2020-07-08 22:06:35,571 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 22:06:35,572 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2020-07-08 22:06:35,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-08 22:06:35,573 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:06:35,573 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 22:06:35,574 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-08 22:06:35,574 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:06:35,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:06:35,574 INFO L82 PathProgramCache]: Analyzing trace with hash -643371531, now seen corresponding path program 1 times [2020-07-08 22:06:35,575 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:06:35,575 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1667535606] [2020-07-08 22:06:35,575 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:06:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:35,632 INFO L280 TraceCheckUtils]: 0: Hoare triple {730#true} assume true; {730#true} is VALID [2020-07-08 22:06:35,633 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {730#true} {730#true} #40#return; {730#true} is VALID [2020-07-08 22:06:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:35,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:35,710 INFO L280 TraceCheckUtils]: 0: Hoare triple {730#true} ~n := #in~n; {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:35,711 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 22:06:35,711 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 22:06:35,712 INFO L280 TraceCheckUtils]: 3: Hoare triple {772#(<= |fibo_#in~n| 1)} #res := 1; {772#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:35,713 INFO L280 TraceCheckUtils]: 4: Hoare triple {772#(<= |fibo_#in~n| 1)} assume true; {772#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:35,714 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 22:06:35,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:35,722 INFO L280 TraceCheckUtils]: 0: Hoare triple {730#true} ~n := #in~n; {730#true} is VALID [2020-07-08 22:06:35,722 INFO L280 TraceCheckUtils]: 1: Hoare triple {730#true} assume ~n < 1; {730#true} is VALID [2020-07-08 22:06:35,723 INFO L280 TraceCheckUtils]: 2: Hoare triple {730#true} #res := 0; {730#true} is VALID [2020-07-08 22:06:35,723 INFO L280 TraceCheckUtils]: 3: Hoare triple {730#true} assume true; {730#true} is VALID [2020-07-08 22:06:35,724 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 22:06:35,725 INFO L280 TraceCheckUtils]: 0: Hoare triple {730#true} ~n := #in~n; {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:35,725 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 22:06:35,726 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 22:06:35,726 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 22:06:35,727 INFO L280 TraceCheckUtils]: 4: Hoare triple {730#true} ~n := #in~n; {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:35,727 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 22:06:35,728 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 22:06:35,729 INFO L280 TraceCheckUtils]: 7: Hoare triple {772#(<= |fibo_#in~n| 1)} #res := 1; {772#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:35,729 INFO L280 TraceCheckUtils]: 8: Hoare triple {772#(<= |fibo_#in~n| 1)} assume true; {772#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:35,731 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 22:06:35,732 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 22:06:35,732 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 22:06:35,732 INFO L280 TraceCheckUtils]: 12: Hoare triple {730#true} ~n := #in~n; {730#true} is VALID [2020-07-08 22:06:35,733 INFO L280 TraceCheckUtils]: 13: Hoare triple {730#true} assume ~n < 1; {730#true} is VALID [2020-07-08 22:06:35,733 INFO L280 TraceCheckUtils]: 14: Hoare triple {730#true} #res := 0; {730#true} is VALID [2020-07-08 22:06:35,733 INFO L280 TraceCheckUtils]: 15: Hoare triple {730#true} assume true; {730#true} is VALID [2020-07-08 22:06:35,734 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 22:06:35,735 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 22:06:35,736 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 22:06:35,737 INFO L280 TraceCheckUtils]: 19: Hoare triple {771#(<= |fibo_#in~n| 2)} havoc #t~ret0; {771#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:35,737 INFO L280 TraceCheckUtils]: 20: Hoare triple {771#(<= |fibo_#in~n| 2)} havoc #t~ret1; {771#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:35,738 INFO L280 TraceCheckUtils]: 21: Hoare triple {771#(<= |fibo_#in~n| 2)} assume true; {771#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:35,739 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 22:06:35,740 INFO L263 TraceCheckUtils]: 0: Hoare triple {730#true} call ULTIMATE.init(); {730#true} is VALID [2020-07-08 22:06:35,740 INFO L280 TraceCheckUtils]: 1: Hoare triple {730#true} assume true; {730#true} is VALID [2020-07-08 22:06:35,741 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {730#true} {730#true} #40#return; {730#true} is VALID [2020-07-08 22:06:35,741 INFO L263 TraceCheckUtils]: 3: Hoare triple {730#true} call #t~ret3 := main(); {730#true} is VALID [2020-07-08 22:06:35,742 INFO L280 TraceCheckUtils]: 4: Hoare triple {730#true} ~x~0 := 5; {734#(<= 5 main_~x~0)} is VALID [2020-07-08 22:06:35,742 INFO L263 TraceCheckUtils]: 5: Hoare triple {734#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {730#true} is VALID [2020-07-08 22:06:35,743 INFO L280 TraceCheckUtils]: 6: Hoare triple {730#true} ~n := #in~n; {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:35,743 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 22:06:35,744 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 22:06:35,744 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 22:06:35,745 INFO L280 TraceCheckUtils]: 10: Hoare triple {730#true} ~n := #in~n; {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:35,745 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 22:06:35,746 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 22:06:35,747 INFO L280 TraceCheckUtils]: 13: Hoare triple {772#(<= |fibo_#in~n| 1)} #res := 1; {772#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:35,747 INFO L280 TraceCheckUtils]: 14: Hoare triple {772#(<= |fibo_#in~n| 1)} assume true; {772#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:35,749 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 22:06:35,750 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 22:06:35,750 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 22:06:35,750 INFO L280 TraceCheckUtils]: 18: Hoare triple {730#true} ~n := #in~n; {730#true} is VALID [2020-07-08 22:06:35,751 INFO L280 TraceCheckUtils]: 19: Hoare triple {730#true} assume ~n < 1; {730#true} is VALID [2020-07-08 22:06:35,751 INFO L280 TraceCheckUtils]: 20: Hoare triple {730#true} #res := 0; {730#true} is VALID [2020-07-08 22:06:35,751 INFO L280 TraceCheckUtils]: 21: Hoare triple {730#true} assume true; {730#true} is VALID [2020-07-08 22:06:35,752 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 22:06:35,753 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 22:06:35,754 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 22:06:35,754 INFO L280 TraceCheckUtils]: 25: Hoare triple {771#(<= |fibo_#in~n| 2)} havoc #t~ret0; {771#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:35,755 INFO L280 TraceCheckUtils]: 26: Hoare triple {771#(<= |fibo_#in~n| 2)} havoc #t~ret1; {771#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:35,756 INFO L280 TraceCheckUtils]: 27: Hoare triple {771#(<= |fibo_#in~n| 2)} assume true; {771#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:35,757 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 22:06:35,757 INFO L280 TraceCheckUtils]: 29: Hoare triple {731#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {731#false} is VALID [2020-07-08 22:06:35,757 INFO L280 TraceCheckUtils]: 30: Hoare triple {731#false} ~result~0 := #t~ret2; {731#false} is VALID [2020-07-08 22:06:35,758 INFO L280 TraceCheckUtils]: 31: Hoare triple {731#false} havoc #t~ret2; {731#false} is VALID [2020-07-08 22:06:35,758 INFO L280 TraceCheckUtils]: 32: Hoare triple {731#false} assume 5 == ~result~0; {731#false} is VALID [2020-07-08 22:06:35,758 INFO L280 TraceCheckUtils]: 33: Hoare triple {731#false} assume !false; {731#false} is VALID [2020-07-08 22:06:35,760 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-08 22:06:35,760 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1667535606] [2020-07-08 22:06:35,761 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 22:06:35,761 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-07-08 22:06:35,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605316048] [2020-07-08 22:06:35,762 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2020-07-08 22:06:35,762 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:06:35,762 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-08 22:06:35,799 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 22:06:35,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-08 22:06:35,800 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:06:35,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-08 22:06:35,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-08 22:06:35,801 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand 7 states. [2020-07-08 22:06:36,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:06:36,238 INFO L93 Difference]: Finished difference Result 56 states and 70 transitions. [2020-07-08 22:06:36,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-08 22:06:36,238 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2020-07-08 22:06:36,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:06:36,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 22:06:36,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 62 transitions. [2020-07-08 22:06:36,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 22:06:36,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 62 transitions. [2020-07-08 22:06:36,250 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 62 transitions. [2020-07-08 22:06:36,334 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 22:06:36,341 INFO L225 Difference]: With dead ends: 56 [2020-07-08 22:06:36,341 INFO L226 Difference]: Without dead ends: 50 [2020-07-08 22:06:36,342 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 22:06:36,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-07-08 22:06:36,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2020-07-08 22:06:36,427 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:06:36,427 INFO L82 GeneralOperation]: Start isEquivalent. First operand 50 states. Second operand 50 states. [2020-07-08 22:06:36,427 INFO L74 IsIncluded]: Start isIncluded. First operand 50 states. Second operand 50 states. [2020-07-08 22:06:36,427 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 50 states. [2020-07-08 22:06:36,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:06:36,432 INFO L93 Difference]: Finished difference Result 50 states and 64 transitions. [2020-07-08 22:06:36,432 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2020-07-08 22:06:36,433 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:06:36,433 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:06:36,433 INFO L74 IsIncluded]: Start isIncluded. First operand 50 states. Second operand 50 states. [2020-07-08 22:06:36,434 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 50 states. [2020-07-08 22:06:36,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:06:36,438 INFO L93 Difference]: Finished difference Result 50 states and 64 transitions. [2020-07-08 22:06:36,438 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2020-07-08 22:06:36,439 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:06:36,439 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:06:36,439 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:06:36,439 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:06:36,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-07-08 22:06:36,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 64 transitions. [2020-07-08 22:06:36,443 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 64 transitions. Word has length 34 [2020-07-08 22:06:36,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:06:36,444 INFO L479 AbstractCegarLoop]: Abstraction has 50 states and 64 transitions. [2020-07-08 22:06:36,444 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-08 22:06:36,444 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 50 states and 64 transitions. [2020-07-08 22:06:36,526 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 22:06:36,526 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2020-07-08 22:06:36,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-08 22:06:36,528 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:06:36,528 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 22:06:36,529 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-08 22:06:36,529 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:06:36,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:06:36,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1274787059, now seen corresponding path program 2 times [2020-07-08 22:06:36,530 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:06:36,530 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1242805215] [2020-07-08 22:06:36,530 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:06:36,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:36,569 INFO L280 TraceCheckUtils]: 0: Hoare triple {1090#true} assume true; {1090#true} is VALID [2020-07-08 22:06:36,570 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1090#true} {1090#true} #40#return; {1090#true} is VALID [2020-07-08 22:06:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:36,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:36,726 INFO L280 TraceCheckUtils]: 0: Hoare triple {1090#true} ~n := #in~n; {1090#true} is VALID [2020-07-08 22:06:36,727 INFO L280 TraceCheckUtils]: 1: Hoare triple {1090#true} assume !(~n < 1); {1090#true} is VALID [2020-07-08 22:06:36,727 INFO L280 TraceCheckUtils]: 2: Hoare triple {1090#true} assume 1 == ~n; {1090#true} is VALID [2020-07-08 22:06:36,728 INFO L280 TraceCheckUtils]: 3: Hoare triple {1090#true} #res := 1; {1090#true} is VALID [2020-07-08 22:06:36,728 INFO L280 TraceCheckUtils]: 4: Hoare triple {1090#true} assume true; {1090#true} is VALID [2020-07-08 22:06:36,729 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 22:06:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:36,739 INFO L280 TraceCheckUtils]: 0: Hoare triple {1090#true} ~n := #in~n; {1090#true} is VALID [2020-07-08 22:06:36,739 INFO L280 TraceCheckUtils]: 1: Hoare triple {1090#true} assume ~n < 1; {1090#true} is VALID [2020-07-08 22:06:36,740 INFO L280 TraceCheckUtils]: 2: Hoare triple {1090#true} #res := 0; {1090#true} is VALID [2020-07-08 22:06:36,740 INFO L280 TraceCheckUtils]: 3: Hoare triple {1090#true} assume true; {1090#true} is VALID [2020-07-08 22:06:36,742 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 22:06:36,743 INFO L280 TraceCheckUtils]: 0: Hoare triple {1090#true} ~n := #in~n; {1164#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:36,744 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 22:06:36,745 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 22:06:36,745 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 22:06:36,745 INFO L280 TraceCheckUtils]: 4: Hoare triple {1090#true} ~n := #in~n; {1090#true} is VALID [2020-07-08 22:06:36,746 INFO L280 TraceCheckUtils]: 5: Hoare triple {1090#true} assume !(~n < 1); {1090#true} is VALID [2020-07-08 22:06:36,746 INFO L280 TraceCheckUtils]: 6: Hoare triple {1090#true} assume 1 == ~n; {1090#true} is VALID [2020-07-08 22:06:36,746 INFO L280 TraceCheckUtils]: 7: Hoare triple {1090#true} #res := 1; {1090#true} is VALID [2020-07-08 22:06:36,746 INFO L280 TraceCheckUtils]: 8: Hoare triple {1090#true} assume true; {1090#true} is VALID [2020-07-08 22:06:36,748 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 22:06:36,748 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 22:06:36,749 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 22:06:36,749 INFO L280 TraceCheckUtils]: 12: Hoare triple {1090#true} ~n := #in~n; {1090#true} is VALID [2020-07-08 22:06:36,749 INFO L280 TraceCheckUtils]: 13: Hoare triple {1090#true} assume ~n < 1; {1090#true} is VALID [2020-07-08 22:06:36,750 INFO L280 TraceCheckUtils]: 14: Hoare triple {1090#true} #res := 0; {1090#true} is VALID [2020-07-08 22:06:36,750 INFO L280 TraceCheckUtils]: 15: Hoare triple {1090#true} assume true; {1090#true} is VALID [2020-07-08 22:06:36,751 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 22:06:36,752 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 22:06:36,753 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 22:06:36,754 INFO L280 TraceCheckUtils]: 19: Hoare triple {1178#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {1178#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 22:06:36,754 INFO L280 TraceCheckUtils]: 20: Hoare triple {1178#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {1178#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 22:06:36,755 INFO L280 TraceCheckUtils]: 21: Hoare triple {1178#(<= 2 |fibo_#in~n|)} assume true; {1178#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 22:06:36,757 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {1178#(<= 2 |fibo_#in~n|)} {1090#true} #46#return; {1158#(<= 3 fibo_~n)} is VALID [2020-07-08 22:06:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:36,779 INFO L280 TraceCheckUtils]: 0: Hoare triple {1090#true} ~n := #in~n; {1164#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:36,780 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 22:06:36,781 INFO L280 TraceCheckUtils]: 2: Hoare triple {1179#(<= |fibo_#in~n| 0)} #res := 0; {1179#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 22:06:36,781 INFO L280 TraceCheckUtils]: 3: Hoare triple {1179#(<= |fibo_#in~n| 0)} assume true; {1179#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 22:06:36,783 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1179#(<= |fibo_#in~n| 0)} {1158#(<= 3 fibo_~n)} #48#return; {1091#false} is VALID [2020-07-08 22:06:36,783 INFO L280 TraceCheckUtils]: 0: Hoare triple {1090#true} ~n := #in~n; {1090#true} is VALID [2020-07-08 22:06:36,783 INFO L280 TraceCheckUtils]: 1: Hoare triple {1090#true} assume !(~n < 1); {1090#true} is VALID [2020-07-08 22:06:36,784 INFO L280 TraceCheckUtils]: 2: Hoare triple {1090#true} assume !(1 == ~n); {1090#true} is VALID [2020-07-08 22:06:36,784 INFO L263 TraceCheckUtils]: 3: Hoare triple {1090#true} call #t~ret0 := fibo(~n - 1); {1090#true} is VALID [2020-07-08 22:06:36,785 INFO L280 TraceCheckUtils]: 4: Hoare triple {1090#true} ~n := #in~n; {1164#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:36,786 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 22:06:36,787 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 22:06:36,787 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 22:06:36,787 INFO L280 TraceCheckUtils]: 8: Hoare triple {1090#true} ~n := #in~n; {1090#true} is VALID [2020-07-08 22:06:36,787 INFO L280 TraceCheckUtils]: 9: Hoare triple {1090#true} assume !(~n < 1); {1090#true} is VALID [2020-07-08 22:06:36,788 INFO L280 TraceCheckUtils]: 10: Hoare triple {1090#true} assume 1 == ~n; {1090#true} is VALID [2020-07-08 22:06:36,788 INFO L280 TraceCheckUtils]: 11: Hoare triple {1090#true} #res := 1; {1090#true} is VALID [2020-07-08 22:06:36,788 INFO L280 TraceCheckUtils]: 12: Hoare triple {1090#true} assume true; {1090#true} is VALID [2020-07-08 22:06:36,789 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 22:06:36,790 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 22:06:36,791 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 22:06:36,791 INFO L280 TraceCheckUtils]: 16: Hoare triple {1090#true} ~n := #in~n; {1090#true} is VALID [2020-07-08 22:06:36,791 INFO L280 TraceCheckUtils]: 17: Hoare triple {1090#true} assume ~n < 1; {1090#true} is VALID [2020-07-08 22:06:36,791 INFO L280 TraceCheckUtils]: 18: Hoare triple {1090#true} #res := 0; {1090#true} is VALID [2020-07-08 22:06:36,792 INFO L280 TraceCheckUtils]: 19: Hoare triple {1090#true} assume true; {1090#true} is VALID [2020-07-08 22:06:36,793 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 22:06:36,794 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 22:06:36,794 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 22:06:36,795 INFO L280 TraceCheckUtils]: 23: Hoare triple {1178#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {1178#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 22:06:36,796 INFO L280 TraceCheckUtils]: 24: Hoare triple {1178#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {1178#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 22:06:36,796 INFO L280 TraceCheckUtils]: 25: Hoare triple {1178#(<= 2 |fibo_#in~n|)} assume true; {1178#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 22:06:36,798 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {1178#(<= 2 |fibo_#in~n|)} {1090#true} #46#return; {1158#(<= 3 fibo_~n)} is VALID [2020-07-08 22:06:36,799 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 22:06:36,799 INFO L263 TraceCheckUtils]: 28: Hoare triple {1158#(<= 3 fibo_~n)} call #t~ret1 := fibo(~n - 2); {1090#true} is VALID [2020-07-08 22:06:36,800 INFO L280 TraceCheckUtils]: 29: Hoare triple {1090#true} ~n := #in~n; {1164#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:36,800 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 22:06:36,801 INFO L280 TraceCheckUtils]: 31: Hoare triple {1179#(<= |fibo_#in~n| 0)} #res := 0; {1179#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 22:06:36,802 INFO L280 TraceCheckUtils]: 32: Hoare triple {1179#(<= |fibo_#in~n| 0)} assume true; {1179#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 22:06:36,803 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {1179#(<= |fibo_#in~n| 0)} {1158#(<= 3 fibo_~n)} #48#return; {1091#false} is VALID [2020-07-08 22:06:36,804 INFO L280 TraceCheckUtils]: 34: Hoare triple {1091#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1091#false} is VALID [2020-07-08 22:06:36,804 INFO L280 TraceCheckUtils]: 35: Hoare triple {1091#false} #res := #t~ret0 + #t~ret1; {1091#false} is VALID [2020-07-08 22:06:36,804 INFO L280 TraceCheckUtils]: 36: Hoare triple {1091#false} havoc #t~ret0; {1091#false} is VALID [2020-07-08 22:06:36,804 INFO L280 TraceCheckUtils]: 37: Hoare triple {1091#false} havoc #t~ret1; {1091#false} is VALID [2020-07-08 22:06:36,805 INFO L280 TraceCheckUtils]: 38: Hoare triple {1091#false} assume true; {1091#false} is VALID [2020-07-08 22:06:36,805 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {1091#false} {1094#(<= 5 main_~x~0)} #44#return; {1091#false} is VALID [2020-07-08 22:06:36,808 INFO L263 TraceCheckUtils]: 0: Hoare triple {1090#true} call ULTIMATE.init(); {1090#true} is VALID [2020-07-08 22:06:36,808 INFO L280 TraceCheckUtils]: 1: Hoare triple {1090#true} assume true; {1090#true} is VALID [2020-07-08 22:06:36,808 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1090#true} {1090#true} #40#return; {1090#true} is VALID [2020-07-08 22:06:36,808 INFO L263 TraceCheckUtils]: 3: Hoare triple {1090#true} call #t~ret3 := main(); {1090#true} is VALID [2020-07-08 22:06:36,809 INFO L280 TraceCheckUtils]: 4: Hoare triple {1090#true} ~x~0 := 5; {1094#(<= 5 main_~x~0)} is VALID [2020-07-08 22:06:36,810 INFO L263 TraceCheckUtils]: 5: Hoare triple {1094#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {1090#true} is VALID [2020-07-08 22:06:36,810 INFO L280 TraceCheckUtils]: 6: Hoare triple {1090#true} ~n := #in~n; {1090#true} is VALID [2020-07-08 22:06:36,810 INFO L280 TraceCheckUtils]: 7: Hoare triple {1090#true} assume !(~n < 1); {1090#true} is VALID [2020-07-08 22:06:36,810 INFO L280 TraceCheckUtils]: 8: Hoare triple {1090#true} assume !(1 == ~n); {1090#true} is VALID [2020-07-08 22:06:36,810 INFO L263 TraceCheckUtils]: 9: Hoare triple {1090#true} call #t~ret0 := fibo(~n - 1); {1090#true} is VALID [2020-07-08 22:06:36,811 INFO L280 TraceCheckUtils]: 10: Hoare triple {1090#true} ~n := #in~n; {1164#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:36,812 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 22:06:36,813 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 22:06:36,813 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 22:06:36,814 INFO L280 TraceCheckUtils]: 14: Hoare triple {1090#true} ~n := #in~n; {1090#true} is VALID [2020-07-08 22:06:36,814 INFO L280 TraceCheckUtils]: 15: Hoare triple {1090#true} assume !(~n < 1); {1090#true} is VALID [2020-07-08 22:06:36,814 INFO L280 TraceCheckUtils]: 16: Hoare triple {1090#true} assume 1 == ~n; {1090#true} is VALID [2020-07-08 22:06:36,814 INFO L280 TraceCheckUtils]: 17: Hoare triple {1090#true} #res := 1; {1090#true} is VALID [2020-07-08 22:06:36,814 INFO L280 TraceCheckUtils]: 18: Hoare triple {1090#true} assume true; {1090#true} is VALID [2020-07-08 22:06:36,815 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 22:06:36,816 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 22:06:36,817 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 22:06:36,817 INFO L280 TraceCheckUtils]: 22: Hoare triple {1090#true} ~n := #in~n; {1090#true} is VALID [2020-07-08 22:06:36,817 INFO L280 TraceCheckUtils]: 23: Hoare triple {1090#true} assume ~n < 1; {1090#true} is VALID [2020-07-08 22:06:36,817 INFO L280 TraceCheckUtils]: 24: Hoare triple {1090#true} #res := 0; {1090#true} is VALID [2020-07-08 22:06:36,818 INFO L280 TraceCheckUtils]: 25: Hoare triple {1090#true} assume true; {1090#true} is VALID [2020-07-08 22:06:36,819 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 22:06:36,829 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 22:06:36,830 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 22:06:36,832 INFO L280 TraceCheckUtils]: 29: Hoare triple {1178#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {1178#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 22:06:36,834 INFO L280 TraceCheckUtils]: 30: Hoare triple {1178#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {1178#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 22:06:36,834 INFO L280 TraceCheckUtils]: 31: Hoare triple {1178#(<= 2 |fibo_#in~n|)} assume true; {1178#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 22:06:36,836 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {1178#(<= 2 |fibo_#in~n|)} {1090#true} #46#return; {1158#(<= 3 fibo_~n)} is VALID [2020-07-08 22:06:36,837 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 22:06:36,837 INFO L263 TraceCheckUtils]: 34: Hoare triple {1158#(<= 3 fibo_~n)} call #t~ret1 := fibo(~n - 2); {1090#true} is VALID [2020-07-08 22:06:36,838 INFO L280 TraceCheckUtils]: 35: Hoare triple {1090#true} ~n := #in~n; {1164#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:36,839 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 22:06:36,839 INFO L280 TraceCheckUtils]: 37: Hoare triple {1179#(<= |fibo_#in~n| 0)} #res := 0; {1179#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 22:06:36,840 INFO L280 TraceCheckUtils]: 38: Hoare triple {1179#(<= |fibo_#in~n| 0)} assume true; {1179#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 22:06:36,841 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {1179#(<= |fibo_#in~n| 0)} {1158#(<= 3 fibo_~n)} #48#return; {1091#false} is VALID [2020-07-08 22:06:36,841 INFO L280 TraceCheckUtils]: 40: Hoare triple {1091#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1091#false} is VALID [2020-07-08 22:06:36,842 INFO L280 TraceCheckUtils]: 41: Hoare triple {1091#false} #res := #t~ret0 + #t~ret1; {1091#false} is VALID [2020-07-08 22:06:36,842 INFO L280 TraceCheckUtils]: 42: Hoare triple {1091#false} havoc #t~ret0; {1091#false} is VALID [2020-07-08 22:06:36,842 INFO L280 TraceCheckUtils]: 43: Hoare triple {1091#false} havoc #t~ret1; {1091#false} is VALID [2020-07-08 22:06:36,842 INFO L280 TraceCheckUtils]: 44: Hoare triple {1091#false} assume true; {1091#false} is VALID [2020-07-08 22:06:36,843 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {1091#false} {1094#(<= 5 main_~x~0)} #44#return; {1091#false} is VALID [2020-07-08 22:06:36,843 INFO L280 TraceCheckUtils]: 46: Hoare triple {1091#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1091#false} is VALID [2020-07-08 22:06:36,843 INFO L280 TraceCheckUtils]: 47: Hoare triple {1091#false} ~result~0 := #t~ret2; {1091#false} is VALID [2020-07-08 22:06:36,843 INFO L280 TraceCheckUtils]: 48: Hoare triple {1091#false} havoc #t~ret2; {1091#false} is VALID [2020-07-08 22:06:36,844 INFO L280 TraceCheckUtils]: 49: Hoare triple {1091#false} assume 5 == ~result~0; {1091#false} is VALID [2020-07-08 22:06:36,844 INFO L280 TraceCheckUtils]: 50: Hoare triple {1091#false} assume !false; {1091#false} is VALID [2020-07-08 22:06:36,847 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-08 22:06:36,847 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1242805215] [2020-07-08 22:06:36,848 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 22:06:36,848 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-07-08 22:06:36,848 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998170924] [2020-07-08 22:06:36,849 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2020-07-08 22:06:36,849 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:06:36,850 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-08 22:06:36,897 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 22:06:36,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-08 22:06:36,898 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:06:36,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-08 22:06:36,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-07-08 22:06:36,898 INFO L87 Difference]: Start difference. First operand 50 states and 64 transitions. Second operand 9 states. [2020-07-08 22:06:37,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:06:37,435 INFO L93 Difference]: Finished difference Result 111 states and 156 transitions. [2020-07-08 22:06:37,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-08 22:06:37,436 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2020-07-08 22:06:37,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:06:37,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-08 22:06:37,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 78 transitions. [2020-07-08 22:06:37,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-08 22:06:37,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 78 transitions. [2020-07-08 22:06:37,443 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 78 transitions. [2020-07-08 22:06:37,522 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 22:06:37,525 INFO L225 Difference]: With dead ends: 111 [2020-07-08 22:06:37,525 INFO L226 Difference]: Without dead ends: 67 [2020-07-08 22:06:37,527 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 22:06:37,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-07-08 22:06:37,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 55. [2020-07-08 22:06:37,635 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:06:37,635 INFO L82 GeneralOperation]: Start isEquivalent. First operand 67 states. Second operand 55 states. [2020-07-08 22:06:37,635 INFO L74 IsIncluded]: Start isIncluded. First operand 67 states. Second operand 55 states. [2020-07-08 22:06:37,636 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 55 states. [2020-07-08 22:06:37,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:06:37,642 INFO L93 Difference]: Finished difference Result 67 states and 86 transitions. [2020-07-08 22:06:37,642 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2020-07-08 22:06:37,643 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:06:37,643 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:06:37,644 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 67 states. [2020-07-08 22:06:37,644 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 67 states. [2020-07-08 22:06:37,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:06:37,650 INFO L93 Difference]: Finished difference Result 67 states and 86 transitions. [2020-07-08 22:06:37,650 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2020-07-08 22:06:37,651 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:06:37,652 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:06:37,652 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:06:37,652 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:06:37,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-07-08 22:06:37,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 70 transitions. [2020-07-08 22:06:37,657 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 70 transitions. Word has length 51 [2020-07-08 22:06:37,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:06:37,657 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 70 transitions. [2020-07-08 22:06:37,657 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-08 22:06:37,658 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 55 states and 70 transitions. [2020-07-08 22:06:37,756 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 22:06:37,756 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2020-07-08 22:06:37,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-08 22:06:37,758 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:06:37,758 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 22:06:37,759 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-08 22:06:37,759 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:06:37,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:06:37,759 INFO L82 PathProgramCache]: Analyzing trace with hash 99184320, now seen corresponding path program 3 times [2020-07-08 22:06:37,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:06:37,760 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1275248772] [2020-07-08 22:06:37,760 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:06:37,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:37,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:37,821 INFO L280 TraceCheckUtils]: 0: Hoare triple {1653#true} assume true; {1653#true} is VALID [2020-07-08 22:06:37,821 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1653#true} {1653#true} #40#return; {1653#true} is VALID [2020-07-08 22:06:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:37,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:37,926 INFO L280 TraceCheckUtils]: 0: Hoare triple {1653#true} ~n := #in~n; {1699#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:37,927 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 22:06:37,928 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 22:06:37,928 INFO L280 TraceCheckUtils]: 3: Hoare triple {1744#(<= |fibo_#in~n| 1)} #res := 1; {1744#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:37,929 INFO L280 TraceCheckUtils]: 4: Hoare triple {1744#(<= |fibo_#in~n| 1)} assume true; {1744#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:37,931 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 22:06:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:37,938 INFO L280 TraceCheckUtils]: 0: Hoare triple {1653#true} ~n := #in~n; {1653#true} is VALID [2020-07-08 22:06:37,938 INFO L280 TraceCheckUtils]: 1: Hoare triple {1653#true} assume ~n < 1; {1653#true} is VALID [2020-07-08 22:06:37,939 INFO L280 TraceCheckUtils]: 2: Hoare triple {1653#true} #res := 0; {1653#true} is VALID [2020-07-08 22:06:37,939 INFO L280 TraceCheckUtils]: 3: Hoare triple {1653#true} assume true; {1653#true} is VALID [2020-07-08 22:06:37,941 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 22:06:37,942 INFO L280 TraceCheckUtils]: 0: Hoare triple {1653#true} ~n := #in~n; {1699#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:37,943 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 22:06:37,943 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 22:06:37,943 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 22:06:37,944 INFO L280 TraceCheckUtils]: 4: Hoare triple {1653#true} ~n := #in~n; {1699#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:37,945 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 22:06:37,946 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 22:06:37,947 INFO L280 TraceCheckUtils]: 7: Hoare triple {1744#(<= |fibo_#in~n| 1)} #res := 1; {1744#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:37,947 INFO L280 TraceCheckUtils]: 8: Hoare triple {1744#(<= |fibo_#in~n| 1)} assume true; {1744#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:37,952 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 22:06:37,956 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 22:06:37,956 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 22:06:37,957 INFO L280 TraceCheckUtils]: 12: Hoare triple {1653#true} ~n := #in~n; {1653#true} is VALID [2020-07-08 22:06:37,957 INFO L280 TraceCheckUtils]: 13: Hoare triple {1653#true} assume ~n < 1; {1653#true} is VALID [2020-07-08 22:06:37,957 INFO L280 TraceCheckUtils]: 14: Hoare triple {1653#true} #res := 0; {1653#true} is VALID [2020-07-08 22:06:37,958 INFO L280 TraceCheckUtils]: 15: Hoare triple {1653#true} assume true; {1653#true} is VALID [2020-07-08 22:06:37,959 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 22:06:37,960 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 22:06:37,961 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 22:06:37,962 INFO L280 TraceCheckUtils]: 19: Hoare triple {1743#(<= |fibo_#in~n| 2)} havoc #t~ret0; {1743#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:37,963 INFO L280 TraceCheckUtils]: 20: Hoare triple {1743#(<= |fibo_#in~n| 2)} havoc #t~ret1; {1743#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:37,964 INFO L280 TraceCheckUtils]: 21: Hoare triple {1743#(<= |fibo_#in~n| 2)} assume true; {1743#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:37,965 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 22:06:37,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:37,973 INFO L280 TraceCheckUtils]: 0: Hoare triple {1653#true} ~n := #in~n; {1653#true} is VALID [2020-07-08 22:06:37,973 INFO L280 TraceCheckUtils]: 1: Hoare triple {1653#true} assume !(~n < 1); {1653#true} is VALID [2020-07-08 22:06:37,974 INFO L280 TraceCheckUtils]: 2: Hoare triple {1653#true} assume 1 == ~n; {1653#true} is VALID [2020-07-08 22:06:37,974 INFO L280 TraceCheckUtils]: 3: Hoare triple {1653#true} #res := 1; {1653#true} is VALID [2020-07-08 22:06:37,974 INFO L280 TraceCheckUtils]: 4: Hoare triple {1653#true} assume true; {1653#true} is VALID [2020-07-08 22:06:37,976 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 22:06:37,977 INFO L280 TraceCheckUtils]: 0: Hoare triple {1653#true} ~n := #in~n; {1699#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:37,978 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 22:06:37,978 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 22:06:37,979 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 22:06:37,979 INFO L280 TraceCheckUtils]: 4: Hoare triple {1653#true} ~n := #in~n; {1699#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:37,980 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 22:06:37,981 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 22:06:37,981 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 22:06:37,982 INFO L280 TraceCheckUtils]: 8: Hoare triple {1653#true} ~n := #in~n; {1699#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:37,983 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 22:06:37,983 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 22:06:37,984 INFO L280 TraceCheckUtils]: 11: Hoare triple {1744#(<= |fibo_#in~n| 1)} #res := 1; {1744#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:37,985 INFO L280 TraceCheckUtils]: 12: Hoare triple {1744#(<= |fibo_#in~n| 1)} assume true; {1744#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:37,987 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 22:06:37,988 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 22:06:37,988 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 22:06:37,989 INFO L280 TraceCheckUtils]: 16: Hoare triple {1653#true} ~n := #in~n; {1653#true} is VALID [2020-07-08 22:06:37,989 INFO L280 TraceCheckUtils]: 17: Hoare triple {1653#true} assume ~n < 1; {1653#true} is VALID [2020-07-08 22:06:37,989 INFO L280 TraceCheckUtils]: 18: Hoare triple {1653#true} #res := 0; {1653#true} is VALID [2020-07-08 22:06:37,990 INFO L280 TraceCheckUtils]: 19: Hoare triple {1653#true} assume true; {1653#true} is VALID [2020-07-08 22:06:37,991 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 22:06:37,992 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 22:06:37,993 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 22:06:37,993 INFO L280 TraceCheckUtils]: 23: Hoare triple {1743#(<= |fibo_#in~n| 2)} havoc #t~ret0; {1743#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:37,994 INFO L280 TraceCheckUtils]: 24: Hoare triple {1743#(<= |fibo_#in~n| 2)} havoc #t~ret1; {1743#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:37,995 INFO L280 TraceCheckUtils]: 25: Hoare triple {1743#(<= |fibo_#in~n| 2)} assume true; {1743#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:37,996 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 22:06:37,997 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 22:06:37,997 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 22:06:37,997 INFO L280 TraceCheckUtils]: 29: Hoare triple {1653#true} ~n := #in~n; {1653#true} is VALID [2020-07-08 22:06:37,998 INFO L280 TraceCheckUtils]: 30: Hoare triple {1653#true} assume !(~n < 1); {1653#true} is VALID [2020-07-08 22:06:37,998 INFO L280 TraceCheckUtils]: 31: Hoare triple {1653#true} assume 1 == ~n; {1653#true} is VALID [2020-07-08 22:06:37,998 INFO L280 TraceCheckUtils]: 32: Hoare triple {1653#true} #res := 1; {1653#true} is VALID [2020-07-08 22:06:37,998 INFO L280 TraceCheckUtils]: 33: Hoare triple {1653#true} assume true; {1653#true} is VALID [2020-07-08 22:06:38,000 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 22:06:38,000 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 22:06:38,001 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 22:06:38,001 INFO L280 TraceCheckUtils]: 37: Hoare triple {1730#(<= |fibo_#in~n| 3)} havoc #t~ret0; {1730#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 22:06:38,002 INFO L280 TraceCheckUtils]: 38: Hoare triple {1730#(<= |fibo_#in~n| 3)} havoc #t~ret1; {1730#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 22:06:38,003 INFO L280 TraceCheckUtils]: 39: Hoare triple {1730#(<= |fibo_#in~n| 3)} assume true; {1730#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 22:06:38,004 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 22:06:38,007 INFO L263 TraceCheckUtils]: 0: Hoare triple {1653#true} call ULTIMATE.init(); {1653#true} is VALID [2020-07-08 22:06:38,007 INFO L280 TraceCheckUtils]: 1: Hoare triple {1653#true} assume true; {1653#true} is VALID [2020-07-08 22:06:38,007 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1653#true} {1653#true} #40#return; {1653#true} is VALID [2020-07-08 22:06:38,008 INFO L263 TraceCheckUtils]: 3: Hoare triple {1653#true} call #t~ret3 := main(); {1653#true} is VALID [2020-07-08 22:06:38,009 INFO L280 TraceCheckUtils]: 4: Hoare triple {1653#true} ~x~0 := 5; {1657#(<= 5 main_~x~0)} is VALID [2020-07-08 22:06:38,009 INFO L263 TraceCheckUtils]: 5: Hoare triple {1657#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {1653#true} is VALID [2020-07-08 22:06:38,010 INFO L280 TraceCheckUtils]: 6: Hoare triple {1653#true} ~n := #in~n; {1699#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:38,011 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 22:06:38,011 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 22:06:38,012 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 22:06:38,012 INFO L280 TraceCheckUtils]: 10: Hoare triple {1653#true} ~n := #in~n; {1699#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:38,013 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 22:06:38,013 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 22:06:38,014 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 22:06:38,014 INFO L280 TraceCheckUtils]: 14: Hoare triple {1653#true} ~n := #in~n; {1699#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:38,015 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 22:06:38,015 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 22:06:38,016 INFO L280 TraceCheckUtils]: 17: Hoare triple {1744#(<= |fibo_#in~n| 1)} #res := 1; {1744#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:38,017 INFO L280 TraceCheckUtils]: 18: Hoare triple {1744#(<= |fibo_#in~n| 1)} assume true; {1744#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:38,018 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 22:06:38,019 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 22:06:38,020 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 22:06:38,020 INFO L280 TraceCheckUtils]: 22: Hoare triple {1653#true} ~n := #in~n; {1653#true} is VALID [2020-07-08 22:06:38,020 INFO L280 TraceCheckUtils]: 23: Hoare triple {1653#true} assume ~n < 1; {1653#true} is VALID [2020-07-08 22:06:38,020 INFO L280 TraceCheckUtils]: 24: Hoare triple {1653#true} #res := 0; {1653#true} is VALID [2020-07-08 22:06:38,021 INFO L280 TraceCheckUtils]: 25: Hoare triple {1653#true} assume true; {1653#true} is VALID [2020-07-08 22:06:38,022 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 22:06:38,023 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 22:06:38,024 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 22:06:38,025 INFO L280 TraceCheckUtils]: 29: Hoare triple {1743#(<= |fibo_#in~n| 2)} havoc #t~ret0; {1743#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:38,025 INFO L280 TraceCheckUtils]: 30: Hoare triple {1743#(<= |fibo_#in~n| 2)} havoc #t~ret1; {1743#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:38,026 INFO L280 TraceCheckUtils]: 31: Hoare triple {1743#(<= |fibo_#in~n| 2)} assume true; {1743#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:38,028 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 22:06:38,029 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 22:06:38,029 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 22:06:38,029 INFO L280 TraceCheckUtils]: 35: Hoare triple {1653#true} ~n := #in~n; {1653#true} is VALID [2020-07-08 22:06:38,030 INFO L280 TraceCheckUtils]: 36: Hoare triple {1653#true} assume !(~n < 1); {1653#true} is VALID [2020-07-08 22:06:38,030 INFO L280 TraceCheckUtils]: 37: Hoare triple {1653#true} assume 1 == ~n; {1653#true} is VALID [2020-07-08 22:06:38,030 INFO L280 TraceCheckUtils]: 38: Hoare triple {1653#true} #res := 1; {1653#true} is VALID [2020-07-08 22:06:38,030 INFO L280 TraceCheckUtils]: 39: Hoare triple {1653#true} assume true; {1653#true} is VALID [2020-07-08 22:06:38,032 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 22:06:38,033 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 22:06:38,033 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 22:06:38,034 INFO L280 TraceCheckUtils]: 43: Hoare triple {1730#(<= |fibo_#in~n| 3)} havoc #t~ret0; {1730#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 22:06:38,035 INFO L280 TraceCheckUtils]: 44: Hoare triple {1730#(<= |fibo_#in~n| 3)} havoc #t~ret1; {1730#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 22:06:38,035 INFO L280 TraceCheckUtils]: 45: Hoare triple {1730#(<= |fibo_#in~n| 3)} assume true; {1730#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 22:06:38,036 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 22:06:38,037 INFO L280 TraceCheckUtils]: 47: Hoare triple {1654#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1654#false} is VALID [2020-07-08 22:06:38,037 INFO L280 TraceCheckUtils]: 48: Hoare triple {1654#false} ~result~0 := #t~ret2; {1654#false} is VALID [2020-07-08 22:06:38,037 INFO L280 TraceCheckUtils]: 49: Hoare triple {1654#false} havoc #t~ret2; {1654#false} is VALID [2020-07-08 22:06:38,037 INFO L280 TraceCheckUtils]: 50: Hoare triple {1654#false} assume 5 == ~result~0; {1654#false} is VALID [2020-07-08 22:06:38,037 INFO L280 TraceCheckUtils]: 51: Hoare triple {1654#false} assume !false; {1654#false} is VALID [2020-07-08 22:06:38,042 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-07-08 22:06:38,042 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1275248772] [2020-07-08 22:06:38,042 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 22:06:38,043 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-07-08 22:06:38,043 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453502137] [2020-07-08 22:06:38,043 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 52 [2020-07-08 22:06:38,044 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:06:38,044 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-08 22:06:38,100 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 22:06:38,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-08 22:06:38,101 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:06:38,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-08 22:06:38,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-07-08 22:06:38,102 INFO L87 Difference]: Start difference. First operand 55 states and 70 transitions. Second operand 9 states. [2020-07-08 22:06:38,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:06:38,626 INFO L93 Difference]: Finished difference Result 89 states and 117 transitions. [2020-07-08 22:06:38,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-08 22:06:38,627 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 52 [2020-07-08 22:06:38,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:06:38,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-08 22:06:38,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 72 transitions. [2020-07-08 22:06:38,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-08 22:06:38,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 72 transitions. [2020-07-08 22:06:38,632 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 72 transitions. [2020-07-08 22:06:38,736 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 22:06:38,741 INFO L225 Difference]: With dead ends: 89 [2020-07-08 22:06:38,741 INFO L226 Difference]: Without dead ends: 83 [2020-07-08 22:06:38,742 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 22:06:38,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-07-08 22:06:38,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 77. [2020-07-08 22:06:38,888 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:06:38,888 INFO L82 GeneralOperation]: Start isEquivalent. First operand 83 states. Second operand 77 states. [2020-07-08 22:06:38,888 INFO L74 IsIncluded]: Start isIncluded. First operand 83 states. Second operand 77 states. [2020-07-08 22:06:38,888 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 77 states. [2020-07-08 22:06:38,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:06:38,894 INFO L93 Difference]: Finished difference Result 83 states and 111 transitions. [2020-07-08 22:06:38,894 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 111 transitions. [2020-07-08 22:06:38,895 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:06:38,895 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:06:38,895 INFO L74 IsIncluded]: Start isIncluded. First operand 77 states. Second operand 83 states. [2020-07-08 22:06:38,896 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 83 states. [2020-07-08 22:06:38,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:06:38,901 INFO L93 Difference]: Finished difference Result 83 states and 111 transitions. [2020-07-08 22:06:38,902 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 111 transitions. [2020-07-08 22:06:38,903 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:06:38,903 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:06:38,903 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:06:38,903 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:06:38,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-07-08 22:06:38,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 103 transitions. [2020-07-08 22:06:38,909 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 103 transitions. Word has length 52 [2020-07-08 22:06:38,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:06:38,909 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 103 transitions. [2020-07-08 22:06:38,910 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-08 22:06:38,910 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 77 states and 103 transitions. [2020-07-08 22:06:39,054 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 22:06:39,055 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 103 transitions. [2020-07-08 22:06:39,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-07-08 22:06:39,059 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:06:39,059 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 22:06:39,059 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-08 22:06:39,059 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:06:39,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:06:39,060 INFO L82 PathProgramCache]: Analyzing trace with hash 1883941443, now seen corresponding path program 4 times [2020-07-08 22:06:39,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:06:39,060 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1060943701] [2020-07-08 22:06:39,060 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:06:39,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:39,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:39,117 INFO L280 TraceCheckUtils]: 0: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 22:06:39,117 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2248#true} {2248#true} #40#return; {2248#true} is VALID [2020-07-08 22:06:39,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:39,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:39,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:39,296 INFO L280 TraceCheckUtils]: 0: Hoare triple {2248#true} ~n := #in~n; {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,297 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 22:06:39,298 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 22:06:39,298 INFO L280 TraceCheckUtils]: 3: Hoare triple {2511#(<= |fibo_#in~n| 1)} #res := 1; {2511#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:39,299 INFO L280 TraceCheckUtils]: 4: Hoare triple {2511#(<= |fibo_#in~n| 1)} assume true; {2511#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:39,300 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 22:06:39,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:39,306 INFO L280 TraceCheckUtils]: 0: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 22:06:39,307 INFO L280 TraceCheckUtils]: 1: Hoare triple {2248#true} assume ~n < 1; {2248#true} is VALID [2020-07-08 22:06:39,307 INFO L280 TraceCheckUtils]: 2: Hoare triple {2248#true} #res := 0; {2248#true} is VALID [2020-07-08 22:06:39,307 INFO L280 TraceCheckUtils]: 3: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 22:06:39,308 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 22:06:39,309 INFO L280 TraceCheckUtils]: 0: Hoare triple {2248#true} ~n := #in~n; {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,310 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 22:06:39,310 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 22:06:39,311 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 22:06:39,311 INFO L280 TraceCheckUtils]: 4: Hoare triple {2248#true} ~n := #in~n; {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,312 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 22:06:39,313 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 22:06:39,313 INFO L280 TraceCheckUtils]: 7: Hoare triple {2511#(<= |fibo_#in~n| 1)} #res := 1; {2511#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:39,314 INFO L280 TraceCheckUtils]: 8: Hoare triple {2511#(<= |fibo_#in~n| 1)} assume true; {2511#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:39,315 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 22:06:39,316 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 22:06:39,316 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 22:06:39,316 INFO L280 TraceCheckUtils]: 12: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 22:06:39,317 INFO L280 TraceCheckUtils]: 13: Hoare triple {2248#true} assume ~n < 1; {2248#true} is VALID [2020-07-08 22:06:39,317 INFO L280 TraceCheckUtils]: 14: Hoare triple {2248#true} #res := 0; {2248#true} is VALID [2020-07-08 22:06:39,317 INFO L280 TraceCheckUtils]: 15: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 22:06:39,318 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 22:06:39,319 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 22:06:39,319 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 22:06:39,320 INFO L280 TraceCheckUtils]: 19: Hoare triple {2510#(<= |fibo_#in~n| 2)} havoc #t~ret0; {2510#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:39,321 INFO L280 TraceCheckUtils]: 20: Hoare triple {2510#(<= |fibo_#in~n| 2)} havoc #t~ret1; {2510#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:39,321 INFO L280 TraceCheckUtils]: 21: Hoare triple {2510#(<= |fibo_#in~n| 2)} assume true; {2510#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:39,323 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 22:06:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:39,329 INFO L280 TraceCheckUtils]: 0: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 22:06:39,330 INFO L280 TraceCheckUtils]: 1: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 22:06:39,330 INFO L280 TraceCheckUtils]: 2: Hoare triple {2248#true} assume 1 == ~n; {2248#true} is VALID [2020-07-08 22:06:39,330 INFO L280 TraceCheckUtils]: 3: Hoare triple {2248#true} #res := 1; {2248#true} is VALID [2020-07-08 22:06:39,330 INFO L280 TraceCheckUtils]: 4: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 22:06:39,331 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 22:06:39,332 INFO L280 TraceCheckUtils]: 0: Hoare triple {2248#true} ~n := #in~n; {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,333 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 22:06:39,333 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 22:06:39,333 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 22:06:39,334 INFO L280 TraceCheckUtils]: 4: Hoare triple {2248#true} ~n := #in~n; {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,335 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 22:06:39,335 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 22:06:39,335 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 22:06:39,336 INFO L280 TraceCheckUtils]: 8: Hoare triple {2248#true} ~n := #in~n; {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,337 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 22:06:39,337 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 22:06:39,338 INFO L280 TraceCheckUtils]: 11: Hoare triple {2511#(<= |fibo_#in~n| 1)} #res := 1; {2511#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:39,339 INFO L280 TraceCheckUtils]: 12: Hoare triple {2511#(<= |fibo_#in~n| 1)} assume true; {2511#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:39,340 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 22:06:39,341 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 22:06:39,341 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 22:06:39,342 INFO L280 TraceCheckUtils]: 16: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 22:06:39,342 INFO L280 TraceCheckUtils]: 17: Hoare triple {2248#true} assume ~n < 1; {2248#true} is VALID [2020-07-08 22:06:39,342 INFO L280 TraceCheckUtils]: 18: Hoare triple {2248#true} #res := 0; {2248#true} is VALID [2020-07-08 22:06:39,343 INFO L280 TraceCheckUtils]: 19: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 22:06:39,344 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 22:06:39,344 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 22:06:39,345 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 22:06:39,345 INFO L280 TraceCheckUtils]: 23: Hoare triple {2510#(<= |fibo_#in~n| 2)} havoc #t~ret0; {2510#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:39,346 INFO L280 TraceCheckUtils]: 24: Hoare triple {2510#(<= |fibo_#in~n| 2)} havoc #t~ret1; {2510#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:39,346 INFO L280 TraceCheckUtils]: 25: Hoare triple {2510#(<= |fibo_#in~n| 2)} assume true; {2510#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:39,348 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 22:06:39,348 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 22:06:39,349 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 22:06:39,349 INFO L280 TraceCheckUtils]: 29: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 22:06:39,349 INFO L280 TraceCheckUtils]: 30: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 22:06:39,349 INFO L280 TraceCheckUtils]: 31: Hoare triple {2248#true} assume 1 == ~n; {2248#true} is VALID [2020-07-08 22:06:39,349 INFO L280 TraceCheckUtils]: 32: Hoare triple {2248#true} #res := 1; {2248#true} is VALID [2020-07-08 22:06:39,350 INFO L280 TraceCheckUtils]: 33: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 22:06:39,351 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 22:06:39,351 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 22:06:39,352 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 22:06:39,352 INFO L280 TraceCheckUtils]: 37: Hoare triple {2497#(<= |fibo_#in~n| 3)} havoc #t~ret0; {2497#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 22:06:39,353 INFO L280 TraceCheckUtils]: 38: Hoare triple {2497#(<= |fibo_#in~n| 3)} havoc #t~ret1; {2497#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 22:06:39,353 INFO L280 TraceCheckUtils]: 39: Hoare triple {2497#(<= |fibo_#in~n| 3)} assume true; {2497#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 22:06:39,355 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {2497#(<= |fibo_#in~n| 3)} {2248#true} #46#return; {2406#(<= fibo_~n 4)} is VALID [2020-07-08 22:06:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:39,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:39,546 INFO L280 TraceCheckUtils]: 0: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 22:06:39,546 INFO L280 TraceCheckUtils]: 1: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 22:06:39,547 INFO L280 TraceCheckUtils]: 2: Hoare triple {2248#true} assume 1 == ~n; {2248#true} is VALID [2020-07-08 22:06:39,547 INFO L280 TraceCheckUtils]: 3: Hoare triple {2248#true} #res := 1; {2248#true} is VALID [2020-07-08 22:06:39,547 INFO L280 TraceCheckUtils]: 4: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 22:06:39,547 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2248#true} {2248#true} #46#return; {2248#true} is VALID [2020-07-08 22:06:39,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:39,552 INFO L280 TraceCheckUtils]: 0: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 22:06:39,552 INFO L280 TraceCheckUtils]: 1: Hoare triple {2248#true} assume ~n < 1; {2248#true} is VALID [2020-07-08 22:06:39,552 INFO L280 TraceCheckUtils]: 2: Hoare triple {2248#true} #res := 0; {2248#true} is VALID [2020-07-08 22:06:39,552 INFO L280 TraceCheckUtils]: 3: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 22:06:39,553 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2248#true} {2248#true} #48#return; {2248#true} is VALID [2020-07-08 22:06:39,553 INFO L280 TraceCheckUtils]: 0: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 22:06:39,553 INFO L280 TraceCheckUtils]: 1: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 22:06:39,553 INFO L280 TraceCheckUtils]: 2: Hoare triple {2248#true} assume !(1 == ~n); {2248#true} is VALID [2020-07-08 22:06:39,554 INFO L263 TraceCheckUtils]: 3: Hoare triple {2248#true} call #t~ret0 := fibo(~n - 1); {2248#true} is VALID [2020-07-08 22:06:39,554 INFO L280 TraceCheckUtils]: 4: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 22:06:39,554 INFO L280 TraceCheckUtils]: 5: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 22:06:39,554 INFO L280 TraceCheckUtils]: 6: Hoare triple {2248#true} assume 1 == ~n; {2248#true} is VALID [2020-07-08 22:06:39,554 INFO L280 TraceCheckUtils]: 7: Hoare triple {2248#true} #res := 1; {2248#true} is VALID [2020-07-08 22:06:39,555 INFO L280 TraceCheckUtils]: 8: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 22:06:39,555 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {2248#true} {2248#true} #46#return; {2248#true} is VALID [2020-07-08 22:06:39,555 INFO L280 TraceCheckUtils]: 10: Hoare triple {2248#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2248#true} is VALID [2020-07-08 22:06:39,555 INFO L263 TraceCheckUtils]: 11: Hoare triple {2248#true} call #t~ret1 := fibo(~n - 2); {2248#true} is VALID [2020-07-08 22:06:39,556 INFO L280 TraceCheckUtils]: 12: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 22:06:39,556 INFO L280 TraceCheckUtils]: 13: Hoare triple {2248#true} assume ~n < 1; {2248#true} is VALID [2020-07-08 22:06:39,556 INFO L280 TraceCheckUtils]: 14: Hoare triple {2248#true} #res := 0; {2248#true} is VALID [2020-07-08 22:06:39,556 INFO L280 TraceCheckUtils]: 15: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 22:06:39,557 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {2248#true} {2248#true} #48#return; {2248#true} is VALID [2020-07-08 22:06:39,557 INFO L280 TraceCheckUtils]: 17: Hoare triple {2248#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2248#true} is VALID [2020-07-08 22:06:39,557 INFO L280 TraceCheckUtils]: 18: Hoare triple {2248#true} #res := #t~ret0 + #t~ret1; {2248#true} is VALID [2020-07-08 22:06:39,557 INFO L280 TraceCheckUtils]: 19: Hoare triple {2248#true} havoc #t~ret0; {2248#true} is VALID [2020-07-08 22:06:39,558 INFO L280 TraceCheckUtils]: 20: Hoare triple {2248#true} havoc #t~ret1; {2248#true} is VALID [2020-07-08 22:06:39,558 INFO L280 TraceCheckUtils]: 21: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 22:06:39,559 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 22:06:39,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:39,569 INFO L280 TraceCheckUtils]: 0: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 22:06:39,569 INFO L280 TraceCheckUtils]: 1: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 22:06:39,569 INFO L280 TraceCheckUtils]: 2: Hoare triple {2248#true} assume 1 == ~n; {2248#true} is VALID [2020-07-08 22:06:39,570 INFO L280 TraceCheckUtils]: 3: Hoare triple {2248#true} #res := 1; {2248#true} is VALID [2020-07-08 22:06:39,570 INFO L280 TraceCheckUtils]: 4: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 22:06:39,571 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 22:06:39,572 INFO L280 TraceCheckUtils]: 0: Hoare triple {2248#true} ~n := #in~n; {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,573 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 22:06:39,573 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 22:06:39,574 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 22:06:39,574 INFO L280 TraceCheckUtils]: 4: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 22:06:39,574 INFO L280 TraceCheckUtils]: 5: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 22:06:39,574 INFO L280 TraceCheckUtils]: 6: Hoare triple {2248#true} assume !(1 == ~n); {2248#true} is VALID [2020-07-08 22:06:39,575 INFO L263 TraceCheckUtils]: 7: Hoare triple {2248#true} call #t~ret0 := fibo(~n - 1); {2248#true} is VALID [2020-07-08 22:06:39,575 INFO L280 TraceCheckUtils]: 8: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 22:06:39,575 INFO L280 TraceCheckUtils]: 9: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 22:06:39,575 INFO L280 TraceCheckUtils]: 10: Hoare triple {2248#true} assume 1 == ~n; {2248#true} is VALID [2020-07-08 22:06:39,575 INFO L280 TraceCheckUtils]: 11: Hoare triple {2248#true} #res := 1; {2248#true} is VALID [2020-07-08 22:06:39,576 INFO L280 TraceCheckUtils]: 12: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 22:06:39,576 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {2248#true} {2248#true} #46#return; {2248#true} is VALID [2020-07-08 22:06:39,576 INFO L280 TraceCheckUtils]: 14: Hoare triple {2248#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2248#true} is VALID [2020-07-08 22:06:39,576 INFO L263 TraceCheckUtils]: 15: Hoare triple {2248#true} call #t~ret1 := fibo(~n - 2); {2248#true} is VALID [2020-07-08 22:06:39,577 INFO L280 TraceCheckUtils]: 16: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 22:06:39,577 INFO L280 TraceCheckUtils]: 17: Hoare triple {2248#true} assume ~n < 1; {2248#true} is VALID [2020-07-08 22:06:39,577 INFO L280 TraceCheckUtils]: 18: Hoare triple {2248#true} #res := 0; {2248#true} is VALID [2020-07-08 22:06:39,577 INFO L280 TraceCheckUtils]: 19: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 22:06:39,577 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {2248#true} {2248#true} #48#return; {2248#true} is VALID [2020-07-08 22:06:39,578 INFO L280 TraceCheckUtils]: 21: Hoare triple {2248#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2248#true} is VALID [2020-07-08 22:06:39,578 INFO L280 TraceCheckUtils]: 22: Hoare triple {2248#true} #res := #t~ret0 + #t~ret1; {2248#true} is VALID [2020-07-08 22:06:39,578 INFO L280 TraceCheckUtils]: 23: Hoare triple {2248#true} havoc #t~ret0; {2248#true} is VALID [2020-07-08 22:06:39,578 INFO L280 TraceCheckUtils]: 24: Hoare triple {2248#true} havoc #t~ret1; {2248#true} is VALID [2020-07-08 22:06:39,579 INFO L280 TraceCheckUtils]: 25: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 22:06:39,580 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 22:06:39,581 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 22:06:39,581 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 22:06:39,581 INFO L280 TraceCheckUtils]: 29: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 22:06:39,581 INFO L280 TraceCheckUtils]: 30: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 22:06:39,582 INFO L280 TraceCheckUtils]: 31: Hoare triple {2248#true} assume 1 == ~n; {2248#true} is VALID [2020-07-08 22:06:39,582 INFO L280 TraceCheckUtils]: 32: Hoare triple {2248#true} #res := 1; {2248#true} is VALID [2020-07-08 22:06:39,582 INFO L280 TraceCheckUtils]: 33: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 22:06:39,583 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 22:06:39,584 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 22:06:39,585 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 22:06:39,585 INFO L280 TraceCheckUtils]: 37: Hoare triple {2592#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {2592#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,586 INFO L280 TraceCheckUtils]: 38: Hoare triple {2592#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {2592#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,586 INFO L280 TraceCheckUtils]: 39: Hoare triple {2592#(<= 2 |fibo_#in~n|)} assume true; {2592#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,588 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 22:06:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:39,598 INFO L280 TraceCheckUtils]: 0: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 22:06:39,598 INFO L280 TraceCheckUtils]: 1: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 22:06:39,598 INFO L280 TraceCheckUtils]: 2: Hoare triple {2248#true} assume 1 == ~n; {2248#true} is VALID [2020-07-08 22:06:39,599 INFO L280 TraceCheckUtils]: 3: Hoare triple {2248#true} #res := 1; {2248#true} is VALID [2020-07-08 22:06:39,599 INFO L280 TraceCheckUtils]: 4: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 22:06:39,600 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 22:06:39,601 INFO L280 TraceCheckUtils]: 0: Hoare triple {2248#true} ~n := #in~n; {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,601 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 22:06:39,602 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 22:06:39,602 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 22:06:39,603 INFO L280 TraceCheckUtils]: 4: Hoare triple {2248#true} ~n := #in~n; {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,604 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 22:06:39,605 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 22:06:39,605 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 22:06:39,605 INFO L280 TraceCheckUtils]: 8: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 22:06:39,605 INFO L280 TraceCheckUtils]: 9: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 22:06:39,606 INFO L280 TraceCheckUtils]: 10: Hoare triple {2248#true} assume !(1 == ~n); {2248#true} is VALID [2020-07-08 22:06:39,606 INFO L263 TraceCheckUtils]: 11: Hoare triple {2248#true} call #t~ret0 := fibo(~n - 1); {2248#true} is VALID [2020-07-08 22:06:39,606 INFO L280 TraceCheckUtils]: 12: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 22:06:39,606 INFO L280 TraceCheckUtils]: 13: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 22:06:39,607 INFO L280 TraceCheckUtils]: 14: Hoare triple {2248#true} assume 1 == ~n; {2248#true} is VALID [2020-07-08 22:06:39,607 INFO L280 TraceCheckUtils]: 15: Hoare triple {2248#true} #res := 1; {2248#true} is VALID [2020-07-08 22:06:39,607 INFO L280 TraceCheckUtils]: 16: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 22:06:39,607 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {2248#true} {2248#true} #46#return; {2248#true} is VALID [2020-07-08 22:06:39,608 INFO L280 TraceCheckUtils]: 18: Hoare triple {2248#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2248#true} is VALID [2020-07-08 22:06:39,608 INFO L263 TraceCheckUtils]: 19: Hoare triple {2248#true} call #t~ret1 := fibo(~n - 2); {2248#true} is VALID [2020-07-08 22:06:39,608 INFO L280 TraceCheckUtils]: 20: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 22:06:39,608 INFO L280 TraceCheckUtils]: 21: Hoare triple {2248#true} assume ~n < 1; {2248#true} is VALID [2020-07-08 22:06:39,609 INFO L280 TraceCheckUtils]: 22: Hoare triple {2248#true} #res := 0; {2248#true} is VALID [2020-07-08 22:06:39,609 INFO L280 TraceCheckUtils]: 23: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 22:06:39,609 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {2248#true} {2248#true} #48#return; {2248#true} is VALID [2020-07-08 22:06:39,609 INFO L280 TraceCheckUtils]: 25: Hoare triple {2248#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2248#true} is VALID [2020-07-08 22:06:39,610 INFO L280 TraceCheckUtils]: 26: Hoare triple {2248#true} #res := #t~ret0 + #t~ret1; {2248#true} is VALID [2020-07-08 22:06:39,610 INFO L280 TraceCheckUtils]: 27: Hoare triple {2248#true} havoc #t~ret0; {2248#true} is VALID [2020-07-08 22:06:39,610 INFO L280 TraceCheckUtils]: 28: Hoare triple {2248#true} havoc #t~ret1; {2248#true} is VALID [2020-07-08 22:06:39,610 INFO L280 TraceCheckUtils]: 29: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 22:06:39,612 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 22:06:39,613 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 22:06:39,613 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 22:06:39,613 INFO L280 TraceCheckUtils]: 33: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 22:06:39,614 INFO L280 TraceCheckUtils]: 34: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 22:06:39,614 INFO L280 TraceCheckUtils]: 35: Hoare triple {2248#true} assume 1 == ~n; {2248#true} is VALID [2020-07-08 22:06:39,614 INFO L280 TraceCheckUtils]: 36: Hoare triple {2248#true} #res := 1; {2248#true} is VALID [2020-07-08 22:06:39,614 INFO L280 TraceCheckUtils]: 37: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 22:06:39,616 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 22:06:39,616 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 22:06:39,617 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 22:06:39,618 INFO L280 TraceCheckUtils]: 41: Hoare triple {2592#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {2592#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,618 INFO L280 TraceCheckUtils]: 42: Hoare triple {2592#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {2592#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,619 INFO L280 TraceCheckUtils]: 43: Hoare triple {2592#(<= 2 |fibo_#in~n|)} assume true; {2592#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,620 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 22:06:39,621 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 22:06:39,622 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 22:06:39,622 INFO L280 TraceCheckUtils]: 47: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 22:06:39,622 INFO L280 TraceCheckUtils]: 48: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 22:06:39,622 INFO L280 TraceCheckUtils]: 49: Hoare triple {2248#true} assume 1 == ~n; {2248#true} is VALID [2020-07-08 22:06:39,623 INFO L280 TraceCheckUtils]: 50: Hoare triple {2248#true} #res := 1; {2248#true} is VALID [2020-07-08 22:06:39,623 INFO L280 TraceCheckUtils]: 51: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 22:06:39,624 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 22:06:39,625 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 22:06:39,625 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 22:06:39,626 INFO L280 TraceCheckUtils]: 55: Hoare triple {2560#(<= 3 |fibo_#in~n|)} havoc #t~ret0; {2560#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,627 INFO L280 TraceCheckUtils]: 56: Hoare triple {2560#(<= 3 |fibo_#in~n|)} havoc #t~ret1; {2560#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,627 INFO L280 TraceCheckUtils]: 57: Hoare triple {2560#(<= 3 |fibo_#in~n|)} assume true; {2560#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,629 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {2560#(<= 3 |fibo_#in~n|)} {2406#(<= fibo_~n 4)} #48#return; {2249#false} is VALID [2020-07-08 22:06:39,635 INFO L280 TraceCheckUtils]: 0: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 22:06:39,635 INFO L280 TraceCheckUtils]: 1: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 22:06:39,636 INFO L280 TraceCheckUtils]: 2: Hoare triple {2248#true} assume !(1 == ~n); {2248#true} is VALID [2020-07-08 22:06:39,636 INFO L263 TraceCheckUtils]: 3: Hoare triple {2248#true} call #t~ret0 := fibo(~n - 1); {2248#true} is VALID [2020-07-08 22:06:39,637 INFO L280 TraceCheckUtils]: 4: Hoare triple {2248#true} ~n := #in~n; {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,637 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 22:06:39,638 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 22:06:39,638 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 22:06:39,639 INFO L280 TraceCheckUtils]: 8: Hoare triple {2248#true} ~n := #in~n; {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,639 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 22:06:39,640 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 22:06:39,640 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 22:06:39,641 INFO L280 TraceCheckUtils]: 12: Hoare triple {2248#true} ~n := #in~n; {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,641 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 22:06:39,642 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 22:06:39,643 INFO L280 TraceCheckUtils]: 15: Hoare triple {2511#(<= |fibo_#in~n| 1)} #res := 1; {2511#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:39,643 INFO L280 TraceCheckUtils]: 16: Hoare triple {2511#(<= |fibo_#in~n| 1)} assume true; {2511#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:39,645 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 22:06:39,646 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 22:06:39,646 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 22:06:39,646 INFO L280 TraceCheckUtils]: 20: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 22:06:39,647 INFO L280 TraceCheckUtils]: 21: Hoare triple {2248#true} assume ~n < 1; {2248#true} is VALID [2020-07-08 22:06:39,647 INFO L280 TraceCheckUtils]: 22: Hoare triple {2248#true} #res := 0; {2248#true} is VALID [2020-07-08 22:06:39,647 INFO L280 TraceCheckUtils]: 23: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 22:06:39,648 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 22:06:39,649 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 22:06:39,649 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 22:06:39,650 INFO L280 TraceCheckUtils]: 27: Hoare triple {2510#(<= |fibo_#in~n| 2)} havoc #t~ret0; {2510#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:39,651 INFO L280 TraceCheckUtils]: 28: Hoare triple {2510#(<= |fibo_#in~n| 2)} havoc #t~ret1; {2510#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:39,651 INFO L280 TraceCheckUtils]: 29: Hoare triple {2510#(<= |fibo_#in~n| 2)} assume true; {2510#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:39,653 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 22:06:39,654 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 22:06:39,654 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 22:06:39,654 INFO L280 TraceCheckUtils]: 33: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 22:06:39,654 INFO L280 TraceCheckUtils]: 34: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 22:06:39,655 INFO L280 TraceCheckUtils]: 35: Hoare triple {2248#true} assume 1 == ~n; {2248#true} is VALID [2020-07-08 22:06:39,655 INFO L280 TraceCheckUtils]: 36: Hoare triple {2248#true} #res := 1; {2248#true} is VALID [2020-07-08 22:06:39,655 INFO L280 TraceCheckUtils]: 37: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 22:06:39,656 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 22:06:39,657 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 22:06:39,657 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 22:06:39,658 INFO L280 TraceCheckUtils]: 41: Hoare triple {2497#(<= |fibo_#in~n| 3)} havoc #t~ret0; {2497#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 22:06:39,659 INFO L280 TraceCheckUtils]: 42: Hoare triple {2497#(<= |fibo_#in~n| 3)} havoc #t~ret1; {2497#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 22:06:39,659 INFO L280 TraceCheckUtils]: 43: Hoare triple {2497#(<= |fibo_#in~n| 3)} assume true; {2497#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 22:06:39,661 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {2497#(<= |fibo_#in~n| 3)} {2248#true} #46#return; {2406#(<= fibo_~n 4)} is VALID [2020-07-08 22:06:39,661 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 22:06:39,662 INFO L263 TraceCheckUtils]: 46: Hoare triple {2406#(<= fibo_~n 4)} call #t~ret1 := fibo(~n - 2); {2248#true} is VALID [2020-07-08 22:06:39,662 INFO L280 TraceCheckUtils]: 47: Hoare triple {2248#true} ~n := #in~n; {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,663 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 22:06:39,663 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 22:06:39,664 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 22:06:39,664 INFO L280 TraceCheckUtils]: 51: Hoare triple {2248#true} ~n := #in~n; {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,665 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 22:06:39,666 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 22:06:39,667 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 22:06:39,667 INFO L280 TraceCheckUtils]: 55: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 22:06:39,667 INFO L280 TraceCheckUtils]: 56: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 22:06:39,667 INFO L280 TraceCheckUtils]: 57: Hoare triple {2248#true} assume !(1 == ~n); {2248#true} is VALID [2020-07-08 22:06:39,667 INFO L263 TraceCheckUtils]: 58: Hoare triple {2248#true} call #t~ret0 := fibo(~n - 1); {2248#true} is VALID [2020-07-08 22:06:39,668 INFO L280 TraceCheckUtils]: 59: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 22:06:39,668 INFO L280 TraceCheckUtils]: 60: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 22:06:39,668 INFO L280 TraceCheckUtils]: 61: Hoare triple {2248#true} assume 1 == ~n; {2248#true} is VALID [2020-07-08 22:06:39,668 INFO L280 TraceCheckUtils]: 62: Hoare triple {2248#true} #res := 1; {2248#true} is VALID [2020-07-08 22:06:39,669 INFO L280 TraceCheckUtils]: 63: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 22:06:39,669 INFO L275 TraceCheckUtils]: 64: Hoare quadruple {2248#true} {2248#true} #46#return; {2248#true} is VALID [2020-07-08 22:06:39,669 INFO L280 TraceCheckUtils]: 65: Hoare triple {2248#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2248#true} is VALID [2020-07-08 22:06:39,669 INFO L263 TraceCheckUtils]: 66: Hoare triple {2248#true} call #t~ret1 := fibo(~n - 2); {2248#true} is VALID [2020-07-08 22:06:39,669 INFO L280 TraceCheckUtils]: 67: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 22:06:39,670 INFO L280 TraceCheckUtils]: 68: Hoare triple {2248#true} assume ~n < 1; {2248#true} is VALID [2020-07-08 22:06:39,670 INFO L280 TraceCheckUtils]: 69: Hoare triple {2248#true} #res := 0; {2248#true} is VALID [2020-07-08 22:06:39,670 INFO L280 TraceCheckUtils]: 70: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 22:06:39,670 INFO L275 TraceCheckUtils]: 71: Hoare quadruple {2248#true} {2248#true} #48#return; {2248#true} is VALID [2020-07-08 22:06:39,670 INFO L280 TraceCheckUtils]: 72: Hoare triple {2248#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2248#true} is VALID [2020-07-08 22:06:39,671 INFO L280 TraceCheckUtils]: 73: Hoare triple {2248#true} #res := #t~ret0 + #t~ret1; {2248#true} is VALID [2020-07-08 22:06:39,671 INFO L280 TraceCheckUtils]: 74: Hoare triple {2248#true} havoc #t~ret0; {2248#true} is VALID [2020-07-08 22:06:39,671 INFO L280 TraceCheckUtils]: 75: Hoare triple {2248#true} havoc #t~ret1; {2248#true} is VALID [2020-07-08 22:06:39,671 INFO L280 TraceCheckUtils]: 76: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 22:06:39,672 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 22:06:39,673 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 22:06:39,673 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 22:06:39,673 INFO L280 TraceCheckUtils]: 80: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 22:06:39,674 INFO L280 TraceCheckUtils]: 81: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 22:06:39,674 INFO L280 TraceCheckUtils]: 82: Hoare triple {2248#true} assume 1 == ~n; {2248#true} is VALID [2020-07-08 22:06:39,674 INFO L280 TraceCheckUtils]: 83: Hoare triple {2248#true} #res := 1; {2248#true} is VALID [2020-07-08 22:06:39,674 INFO L280 TraceCheckUtils]: 84: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 22:06:39,676 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 22:06:39,676 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 22:06:39,677 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 22:06:39,678 INFO L280 TraceCheckUtils]: 88: Hoare triple {2592#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {2592#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,691 INFO L280 TraceCheckUtils]: 89: Hoare triple {2592#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {2592#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,696 INFO L280 TraceCheckUtils]: 90: Hoare triple {2592#(<= 2 |fibo_#in~n|)} assume true; {2592#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,698 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 22:06:39,698 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 22:06:39,699 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 22:06:39,699 INFO L280 TraceCheckUtils]: 94: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 22:06:39,699 INFO L280 TraceCheckUtils]: 95: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 22:06:39,699 INFO L280 TraceCheckUtils]: 96: Hoare triple {2248#true} assume 1 == ~n; {2248#true} is VALID [2020-07-08 22:06:39,699 INFO L280 TraceCheckUtils]: 97: Hoare triple {2248#true} #res := 1; {2248#true} is VALID [2020-07-08 22:06:39,700 INFO L280 TraceCheckUtils]: 98: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 22:06:39,701 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 22:06:39,701 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 22:06:39,702 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 22:06:39,702 INFO L280 TraceCheckUtils]: 102: Hoare triple {2560#(<= 3 |fibo_#in~n|)} havoc #t~ret0; {2560#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,703 INFO L280 TraceCheckUtils]: 103: Hoare triple {2560#(<= 3 |fibo_#in~n|)} havoc #t~ret1; {2560#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,703 INFO L280 TraceCheckUtils]: 104: Hoare triple {2560#(<= 3 |fibo_#in~n|)} assume true; {2560#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,704 INFO L275 TraceCheckUtils]: 105: Hoare quadruple {2560#(<= 3 |fibo_#in~n|)} {2406#(<= fibo_~n 4)} #48#return; {2249#false} is VALID [2020-07-08 22:06:39,704 INFO L280 TraceCheckUtils]: 106: Hoare triple {2249#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2249#false} is VALID [2020-07-08 22:06:39,705 INFO L280 TraceCheckUtils]: 107: Hoare triple {2249#false} #res := #t~ret0 + #t~ret1; {2249#false} is VALID [2020-07-08 22:06:39,705 INFO L280 TraceCheckUtils]: 108: Hoare triple {2249#false} havoc #t~ret0; {2249#false} is VALID [2020-07-08 22:06:39,705 INFO L280 TraceCheckUtils]: 109: Hoare triple {2249#false} havoc #t~ret1; {2249#false} is VALID [2020-07-08 22:06:39,705 INFO L280 TraceCheckUtils]: 110: Hoare triple {2249#false} assume true; {2249#false} is VALID [2020-07-08 22:06:39,705 INFO L275 TraceCheckUtils]: 111: Hoare quadruple {2249#false} {2252#(<= 5 main_~x~0)} #44#return; {2249#false} is VALID [2020-07-08 22:06:39,717 INFO L263 TraceCheckUtils]: 0: Hoare triple {2248#true} call ULTIMATE.init(); {2248#true} is VALID [2020-07-08 22:06:39,718 INFO L280 TraceCheckUtils]: 1: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 22:06:39,718 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2248#true} {2248#true} #40#return; {2248#true} is VALID [2020-07-08 22:06:39,718 INFO L263 TraceCheckUtils]: 3: Hoare triple {2248#true} call #t~ret3 := main(); {2248#true} is VALID [2020-07-08 22:06:39,719 INFO L280 TraceCheckUtils]: 4: Hoare triple {2248#true} ~x~0 := 5; {2252#(<= 5 main_~x~0)} is VALID [2020-07-08 22:06:39,720 INFO L263 TraceCheckUtils]: 5: Hoare triple {2252#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {2248#true} is VALID [2020-07-08 22:06:39,720 INFO L280 TraceCheckUtils]: 6: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 22:06:39,720 INFO L280 TraceCheckUtils]: 7: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 22:06:39,720 INFO L280 TraceCheckUtils]: 8: Hoare triple {2248#true} assume !(1 == ~n); {2248#true} is VALID [2020-07-08 22:06:39,720 INFO L263 TraceCheckUtils]: 9: Hoare triple {2248#true} call #t~ret0 := fibo(~n - 1); {2248#true} is VALID [2020-07-08 22:06:39,723 INFO L280 TraceCheckUtils]: 10: Hoare triple {2248#true} ~n := #in~n; {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,723 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 22:06:39,723 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 22:06:39,724 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 22:06:39,725 INFO L280 TraceCheckUtils]: 14: Hoare triple {2248#true} ~n := #in~n; {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,725 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 22:06:39,726 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 22:06:39,726 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 22:06:39,731 INFO L280 TraceCheckUtils]: 18: Hoare triple {2248#true} ~n := #in~n; {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,732 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 22:06:39,733 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 22:06:39,733 INFO L280 TraceCheckUtils]: 21: Hoare triple {2511#(<= |fibo_#in~n| 1)} #res := 1; {2511#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:39,734 INFO L280 TraceCheckUtils]: 22: Hoare triple {2511#(<= |fibo_#in~n| 1)} assume true; {2511#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:39,735 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 22:06:39,736 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 22:06:39,736 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 22:06:39,736 INFO L280 TraceCheckUtils]: 26: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 22:06:39,737 INFO L280 TraceCheckUtils]: 27: Hoare triple {2248#true} assume ~n < 1; {2248#true} is VALID [2020-07-08 22:06:39,737 INFO L280 TraceCheckUtils]: 28: Hoare triple {2248#true} #res := 0; {2248#true} is VALID [2020-07-08 22:06:39,737 INFO L280 TraceCheckUtils]: 29: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 22:06:39,738 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 22:06:39,738 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 22:06:39,739 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 22:06:39,739 INFO L280 TraceCheckUtils]: 33: Hoare triple {2510#(<= |fibo_#in~n| 2)} havoc #t~ret0; {2510#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:39,740 INFO L280 TraceCheckUtils]: 34: Hoare triple {2510#(<= |fibo_#in~n| 2)} havoc #t~ret1; {2510#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:39,740 INFO L280 TraceCheckUtils]: 35: Hoare triple {2510#(<= |fibo_#in~n| 2)} assume true; {2510#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:39,742 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 22:06:39,742 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 22:06:39,743 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 22:06:39,743 INFO L280 TraceCheckUtils]: 39: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 22:06:39,743 INFO L280 TraceCheckUtils]: 40: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 22:06:39,743 INFO L280 TraceCheckUtils]: 41: Hoare triple {2248#true} assume 1 == ~n; {2248#true} is VALID [2020-07-08 22:06:39,744 INFO L280 TraceCheckUtils]: 42: Hoare triple {2248#true} #res := 1; {2248#true} is VALID [2020-07-08 22:06:39,744 INFO L280 TraceCheckUtils]: 43: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 22:06:39,745 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 22:06:39,745 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 22:06:39,746 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 22:06:39,746 INFO L280 TraceCheckUtils]: 47: Hoare triple {2497#(<= |fibo_#in~n| 3)} havoc #t~ret0; {2497#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 22:06:39,747 INFO L280 TraceCheckUtils]: 48: Hoare triple {2497#(<= |fibo_#in~n| 3)} havoc #t~ret1; {2497#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 22:06:39,747 INFO L280 TraceCheckUtils]: 49: Hoare triple {2497#(<= |fibo_#in~n| 3)} assume true; {2497#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 22:06:39,748 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {2497#(<= |fibo_#in~n| 3)} {2248#true} #46#return; {2406#(<= fibo_~n 4)} is VALID [2020-07-08 22:06:39,748 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 22:06:39,749 INFO L263 TraceCheckUtils]: 52: Hoare triple {2406#(<= fibo_~n 4)} call #t~ret1 := fibo(~n - 2); {2248#true} is VALID [2020-07-08 22:06:39,751 INFO L280 TraceCheckUtils]: 53: Hoare triple {2248#true} ~n := #in~n; {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,755 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 22:06:39,756 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 22:06:39,756 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 22:06:39,757 INFO L280 TraceCheckUtils]: 57: Hoare triple {2248#true} ~n := #in~n; {2466#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,757 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 22:06:39,758 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 22:06:39,758 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 22:06:39,759 INFO L280 TraceCheckUtils]: 61: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 22:06:39,759 INFO L280 TraceCheckUtils]: 62: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 22:06:39,759 INFO L280 TraceCheckUtils]: 63: Hoare triple {2248#true} assume !(1 == ~n); {2248#true} is VALID [2020-07-08 22:06:39,759 INFO L263 TraceCheckUtils]: 64: Hoare triple {2248#true} call #t~ret0 := fibo(~n - 1); {2248#true} is VALID [2020-07-08 22:06:39,759 INFO L280 TraceCheckUtils]: 65: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 22:06:39,759 INFO L280 TraceCheckUtils]: 66: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 22:06:39,760 INFO L280 TraceCheckUtils]: 67: Hoare triple {2248#true} assume 1 == ~n; {2248#true} is VALID [2020-07-08 22:06:39,760 INFO L280 TraceCheckUtils]: 68: Hoare triple {2248#true} #res := 1; {2248#true} is VALID [2020-07-08 22:06:39,760 INFO L280 TraceCheckUtils]: 69: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 22:06:39,760 INFO L275 TraceCheckUtils]: 70: Hoare quadruple {2248#true} {2248#true} #46#return; {2248#true} is VALID [2020-07-08 22:06:39,760 INFO L280 TraceCheckUtils]: 71: Hoare triple {2248#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2248#true} is VALID [2020-07-08 22:06:39,761 INFO L263 TraceCheckUtils]: 72: Hoare triple {2248#true} call #t~ret1 := fibo(~n - 2); {2248#true} is VALID [2020-07-08 22:06:39,761 INFO L280 TraceCheckUtils]: 73: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 22:06:39,761 INFO L280 TraceCheckUtils]: 74: Hoare triple {2248#true} assume ~n < 1; {2248#true} is VALID [2020-07-08 22:06:39,761 INFO L280 TraceCheckUtils]: 75: Hoare triple {2248#true} #res := 0; {2248#true} is VALID [2020-07-08 22:06:39,761 INFO L280 TraceCheckUtils]: 76: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 22:06:39,762 INFO L275 TraceCheckUtils]: 77: Hoare quadruple {2248#true} {2248#true} #48#return; {2248#true} is VALID [2020-07-08 22:06:39,762 INFO L280 TraceCheckUtils]: 78: Hoare triple {2248#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2248#true} is VALID [2020-07-08 22:06:39,762 INFO L280 TraceCheckUtils]: 79: Hoare triple {2248#true} #res := #t~ret0 + #t~ret1; {2248#true} is VALID [2020-07-08 22:06:39,762 INFO L280 TraceCheckUtils]: 80: Hoare triple {2248#true} havoc #t~ret0; {2248#true} is VALID [2020-07-08 22:06:39,762 INFO L280 TraceCheckUtils]: 81: Hoare triple {2248#true} havoc #t~ret1; {2248#true} is VALID [2020-07-08 22:06:39,762 INFO L280 TraceCheckUtils]: 82: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 22:06:39,763 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 22:06:39,764 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 22:06:39,764 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 22:06:39,764 INFO L280 TraceCheckUtils]: 86: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 22:06:39,765 INFO L280 TraceCheckUtils]: 87: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 22:06:39,765 INFO L280 TraceCheckUtils]: 88: Hoare triple {2248#true} assume 1 == ~n; {2248#true} is VALID [2020-07-08 22:06:39,765 INFO L280 TraceCheckUtils]: 89: Hoare triple {2248#true} #res := 1; {2248#true} is VALID [2020-07-08 22:06:39,765 INFO L280 TraceCheckUtils]: 90: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 22:06:39,766 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 22:06:39,767 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 22:06:39,767 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 22:06:39,768 INFO L280 TraceCheckUtils]: 94: Hoare triple {2592#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {2592#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,768 INFO L280 TraceCheckUtils]: 95: Hoare triple {2592#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {2592#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,769 INFO L280 TraceCheckUtils]: 96: Hoare triple {2592#(<= 2 |fibo_#in~n|)} assume true; {2592#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,770 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 22:06:39,771 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 22:06:39,771 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 22:06:39,771 INFO L280 TraceCheckUtils]: 100: Hoare triple {2248#true} ~n := #in~n; {2248#true} is VALID [2020-07-08 22:06:39,771 INFO L280 TraceCheckUtils]: 101: Hoare triple {2248#true} assume !(~n < 1); {2248#true} is VALID [2020-07-08 22:06:39,772 INFO L280 TraceCheckUtils]: 102: Hoare triple {2248#true} assume 1 == ~n; {2248#true} is VALID [2020-07-08 22:06:39,772 INFO L280 TraceCheckUtils]: 103: Hoare triple {2248#true} #res := 1; {2248#true} is VALID [2020-07-08 22:06:39,772 INFO L280 TraceCheckUtils]: 104: Hoare triple {2248#true} assume true; {2248#true} is VALID [2020-07-08 22:06:39,775 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 22:06:39,775 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 22:06:39,776 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 22:06:39,776 INFO L280 TraceCheckUtils]: 108: Hoare triple {2560#(<= 3 |fibo_#in~n|)} havoc #t~ret0; {2560#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,777 INFO L280 TraceCheckUtils]: 109: Hoare triple {2560#(<= 3 |fibo_#in~n|)} havoc #t~ret1; {2560#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,777 INFO L280 TraceCheckUtils]: 110: Hoare triple {2560#(<= 3 |fibo_#in~n|)} assume true; {2560#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 22:06:39,778 INFO L275 TraceCheckUtils]: 111: Hoare quadruple {2560#(<= 3 |fibo_#in~n|)} {2406#(<= fibo_~n 4)} #48#return; {2249#false} is VALID [2020-07-08 22:06:39,779 INFO L280 TraceCheckUtils]: 112: Hoare triple {2249#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2249#false} is VALID [2020-07-08 22:06:39,779 INFO L280 TraceCheckUtils]: 113: Hoare triple {2249#false} #res := #t~ret0 + #t~ret1; {2249#false} is VALID [2020-07-08 22:06:39,779 INFO L280 TraceCheckUtils]: 114: Hoare triple {2249#false} havoc #t~ret0; {2249#false} is VALID [2020-07-08 22:06:39,779 INFO L280 TraceCheckUtils]: 115: Hoare triple {2249#false} havoc #t~ret1; {2249#false} is VALID [2020-07-08 22:06:39,779 INFO L280 TraceCheckUtils]: 116: Hoare triple {2249#false} assume true; {2249#false} is VALID [2020-07-08 22:06:39,779 INFO L275 TraceCheckUtils]: 117: Hoare quadruple {2249#false} {2252#(<= 5 main_~x~0)} #44#return; {2249#false} is VALID [2020-07-08 22:06:39,780 INFO L280 TraceCheckUtils]: 118: Hoare triple {2249#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {2249#false} is VALID [2020-07-08 22:06:39,780 INFO L280 TraceCheckUtils]: 119: Hoare triple {2249#false} ~result~0 := #t~ret2; {2249#false} is VALID [2020-07-08 22:06:39,780 INFO L280 TraceCheckUtils]: 120: Hoare triple {2249#false} havoc #t~ret2; {2249#false} is VALID [2020-07-08 22:06:39,780 INFO L280 TraceCheckUtils]: 121: Hoare triple {2249#false} assume 5 == ~result~0; {2249#false} is VALID [2020-07-08 22:06:39,780 INFO L280 TraceCheckUtils]: 122: Hoare triple {2249#false} assume !false; {2249#false} is VALID [2020-07-08 22:06:39,794 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 123 proven. 170 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2020-07-08 22:06:39,794 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1060943701] [2020-07-08 22:06:39,795 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 22:06:39,795 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-07-08 22:06:39,795 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326161046] [2020-07-08 22:06:39,798 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 123 [2020-07-08 22:06:39,816 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:06:39,817 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states. [2020-07-08 22:06:39,911 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 22:06:39,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-08 22:06:39,912 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:06:39,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-08 22:06:39,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2020-07-08 22:06:39,913 INFO L87 Difference]: Start difference. First operand 77 states and 103 transitions. Second operand 15 states. [2020-07-08 22:06:41,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:06:41,002 INFO L93 Difference]: Finished difference Result 142 states and 213 transitions. [2020-07-08 22:06:41,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-08 22:06:41,003 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 123 [2020-07-08 22:06:41,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:06:41,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-08 22:06:41,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 121 transitions. [2020-07-08 22:06:41,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-08 22:06:41,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 121 transitions. [2020-07-08 22:06:41,014 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 18 states and 121 transitions. [2020-07-08 22:06:41,162 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 22:06:41,168 INFO L225 Difference]: With dead ends: 142 [2020-07-08 22:06:41,168 INFO L226 Difference]: Without dead ends: 73 [2020-07-08 22:06:41,170 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 22:06:41,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-07-08 22:06:41,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 70. [2020-07-08 22:06:41,286 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:06:41,286 INFO L82 GeneralOperation]: Start isEquivalent. First operand 73 states. Second operand 70 states. [2020-07-08 22:06:41,286 INFO L74 IsIncluded]: Start isIncluded. First operand 73 states. Second operand 70 states. [2020-07-08 22:06:41,287 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 70 states. [2020-07-08 22:06:41,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:06:41,291 INFO L93 Difference]: Finished difference Result 73 states and 90 transitions. [2020-07-08 22:06:41,291 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2020-07-08 22:06:41,292 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:06:41,292 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:06:41,292 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand 73 states. [2020-07-08 22:06:41,292 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 73 states. [2020-07-08 22:06:41,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:06:41,299 INFO L93 Difference]: Finished difference Result 73 states and 90 transitions. [2020-07-08 22:06:41,299 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2020-07-08 22:06:41,300 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:06:41,300 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:06:41,300 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:06:41,300 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:06:41,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-07-08 22:06:41,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 86 transitions. [2020-07-08 22:06:41,310 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 86 transitions. Word has length 123 [2020-07-08 22:06:41,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:06:41,310 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 86 transitions. [2020-07-08 22:06:41,310 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-08 22:06:41,310 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 70 states and 86 transitions. [2020-07-08 22:06:41,437 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 22:06:41,437 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 86 transitions. [2020-07-08 22:06:41,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-07-08 22:06:41,444 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:06:41,444 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 22:06:41,444 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-08 22:06:41,444 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:06:41,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:06:41,445 INFO L82 PathProgramCache]: Analyzing trace with hash 532445701, now seen corresponding path program 5 times [2020-07-08 22:06:41,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:06:41,445 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2049002044] [2020-07-08 22:06:41,445 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:06:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:41,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:41,542 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:41,542 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3188#true} {3188#true} #40#return; {3188#true} is VALID [2020-07-08 22:06:41,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:41,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:41,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:41,810 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:41,810 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 22:06:41,811 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 22:06:41,811 INFO L280 TraceCheckUtils]: 3: Hoare triple {3657#(<= |fibo_#in~n| 1)} #res := 1; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:41,812 INFO L280 TraceCheckUtils]: 4: Hoare triple {3657#(<= |fibo_#in~n| 1)} assume true; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:41,813 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 22:06:41,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:41,820 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:41,821 INFO L280 TraceCheckUtils]: 1: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 22:06:41,821 INFO L280 TraceCheckUtils]: 2: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 22:06:41,821 INFO L280 TraceCheckUtils]: 3: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:41,822 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 22:06:41,823 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:41,823 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 22:06:41,824 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 22:06:41,824 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 22:06:41,825 INFO L280 TraceCheckUtils]: 4: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:41,825 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 22:06:41,826 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 22:06:41,826 INFO L280 TraceCheckUtils]: 7: Hoare triple {3657#(<= |fibo_#in~n| 1)} #res := 1; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:41,827 INFO L280 TraceCheckUtils]: 8: Hoare triple {3657#(<= |fibo_#in~n| 1)} assume true; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:41,828 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 22:06:41,829 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 22:06:41,829 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 22:06:41,829 INFO L280 TraceCheckUtils]: 12: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:41,829 INFO L280 TraceCheckUtils]: 13: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 22:06:41,830 INFO L280 TraceCheckUtils]: 14: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 22:06:41,830 INFO L280 TraceCheckUtils]: 15: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:41,831 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 22:06:41,831 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 22:06:41,832 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 22:06:41,832 INFO L280 TraceCheckUtils]: 19: Hoare triple {3656#(<= |fibo_#in~n| 2)} havoc #t~ret0; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:41,833 INFO L280 TraceCheckUtils]: 20: Hoare triple {3656#(<= |fibo_#in~n| 2)} havoc #t~ret1; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:41,833 INFO L280 TraceCheckUtils]: 21: Hoare triple {3656#(<= |fibo_#in~n| 2)} assume true; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:41,834 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 22:06:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:41,842 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:41,843 INFO L280 TraceCheckUtils]: 1: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:41,843 INFO L280 TraceCheckUtils]: 2: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 22:06:41,843 INFO L280 TraceCheckUtils]: 3: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 22:06:41,843 INFO L280 TraceCheckUtils]: 4: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:41,844 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 22:06:41,845 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:41,846 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 22:06:41,846 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 22:06:41,846 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 22:06:41,847 INFO L280 TraceCheckUtils]: 4: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:41,847 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 22:06:41,848 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 22:06:41,848 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 22:06:41,848 INFO L280 TraceCheckUtils]: 8: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:41,849 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 22:06:41,849 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 22:06:41,850 INFO L280 TraceCheckUtils]: 11: Hoare triple {3657#(<= |fibo_#in~n| 1)} #res := 1; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:41,850 INFO L280 TraceCheckUtils]: 12: Hoare triple {3657#(<= |fibo_#in~n| 1)} assume true; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:41,852 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 22:06:41,852 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 22:06:41,852 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 22:06:41,853 INFO L280 TraceCheckUtils]: 16: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:41,853 INFO L280 TraceCheckUtils]: 17: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 22:06:41,853 INFO L280 TraceCheckUtils]: 18: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 22:06:41,853 INFO L280 TraceCheckUtils]: 19: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:41,854 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 22:06:41,855 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 22:06:41,856 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 22:06:41,856 INFO L280 TraceCheckUtils]: 23: Hoare triple {3656#(<= |fibo_#in~n| 2)} havoc #t~ret0; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:41,857 INFO L280 TraceCheckUtils]: 24: Hoare triple {3656#(<= |fibo_#in~n| 2)} havoc #t~ret1; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:41,858 INFO L280 TraceCheckUtils]: 25: Hoare triple {3656#(<= |fibo_#in~n| 2)} assume true; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:41,859 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 22:06:41,860 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 22:06:41,860 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 22:06:41,860 INFO L280 TraceCheckUtils]: 29: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:41,860 INFO L280 TraceCheckUtils]: 30: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:41,860 INFO L280 TraceCheckUtils]: 31: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 22:06:41,860 INFO L280 TraceCheckUtils]: 32: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 22:06:41,861 INFO L280 TraceCheckUtils]: 33: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:41,861 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 22:06:41,862 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 22:06:41,862 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 22:06:41,863 INFO L280 TraceCheckUtils]: 37: Hoare triple {3643#(<= |fibo_#in~n| 3)} havoc #t~ret0; {3643#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 22:06:41,863 INFO L280 TraceCheckUtils]: 38: Hoare triple {3643#(<= |fibo_#in~n| 3)} havoc #t~ret1; {3643#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 22:06:41,863 INFO L280 TraceCheckUtils]: 39: Hoare triple {3643#(<= |fibo_#in~n| 3)} assume true; {3643#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 22:06:41,865 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 22:06:41,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:41,887 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:41,887 INFO L280 TraceCheckUtils]: 1: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:41,887 INFO L280 TraceCheckUtils]: 2: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 22:06:41,888 INFO L280 TraceCheckUtils]: 3: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 22:06:41,888 INFO L280 TraceCheckUtils]: 4: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:41,888 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3188#true} {3188#true} #46#return; {3188#true} is VALID [2020-07-08 22:06:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:41,892 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:41,892 INFO L280 TraceCheckUtils]: 1: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 22:06:41,892 INFO L280 TraceCheckUtils]: 2: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 22:06:41,892 INFO L280 TraceCheckUtils]: 3: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:41,893 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3188#true} {3188#true} #48#return; {3188#true} is VALID [2020-07-08 22:06:41,893 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:41,893 INFO L280 TraceCheckUtils]: 1: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:41,893 INFO L280 TraceCheckUtils]: 2: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 22:06:41,893 INFO L263 TraceCheckUtils]: 3: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 22:06:41,894 INFO L280 TraceCheckUtils]: 4: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:41,894 INFO L280 TraceCheckUtils]: 5: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:41,894 INFO L280 TraceCheckUtils]: 6: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 22:06:41,894 INFO L280 TraceCheckUtils]: 7: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 22:06:41,894 INFO L280 TraceCheckUtils]: 8: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:41,895 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {3188#true} {3188#true} #46#return; {3188#true} is VALID [2020-07-08 22:06:41,895 INFO L280 TraceCheckUtils]: 10: Hoare triple {3188#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3188#true} is VALID [2020-07-08 22:06:41,895 INFO L263 TraceCheckUtils]: 11: Hoare triple {3188#true} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 22:06:41,895 INFO L280 TraceCheckUtils]: 12: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:41,896 INFO L280 TraceCheckUtils]: 13: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 22:06:41,896 INFO L280 TraceCheckUtils]: 14: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 22:06:41,896 INFO L280 TraceCheckUtils]: 15: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:41,896 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {3188#true} {3188#true} #48#return; {3188#true} is VALID [2020-07-08 22:06:41,896 INFO L280 TraceCheckUtils]: 17: Hoare triple {3188#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3188#true} is VALID [2020-07-08 22:06:41,897 INFO L280 TraceCheckUtils]: 18: Hoare triple {3188#true} #res := #t~ret0 + #t~ret1; {3188#true} is VALID [2020-07-08 22:06:41,897 INFO L280 TraceCheckUtils]: 19: Hoare triple {3188#true} havoc #t~ret0; {3188#true} is VALID [2020-07-08 22:06:41,897 INFO L280 TraceCheckUtils]: 20: Hoare triple {3188#true} havoc #t~ret1; {3188#true} is VALID [2020-07-08 22:06:41,897 INFO L280 TraceCheckUtils]: 21: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:41,899 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 22:06:41,900 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:41,900 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 22:06:41,901 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 22:06:41,901 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 22:06:41,902 INFO L280 TraceCheckUtils]: 4: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:41,902 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 22:06:41,903 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 22:06:41,903 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 22:06:41,904 INFO L280 TraceCheckUtils]: 8: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:41,904 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 22:06:41,905 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 22:06:41,905 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 22:06:41,905 INFO L280 TraceCheckUtils]: 12: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:41,906 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 22:06:41,907 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 22:06:41,907 INFO L280 TraceCheckUtils]: 15: Hoare triple {3657#(<= |fibo_#in~n| 1)} #res := 1; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:41,908 INFO L280 TraceCheckUtils]: 16: Hoare triple {3657#(<= |fibo_#in~n| 1)} assume true; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:41,909 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 22:06:41,910 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 22:06:41,910 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 22:06:41,910 INFO L280 TraceCheckUtils]: 20: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:41,911 INFO L280 TraceCheckUtils]: 21: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 22:06:41,911 INFO L280 TraceCheckUtils]: 22: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 22:06:41,911 INFO L280 TraceCheckUtils]: 23: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:41,912 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 22:06:41,913 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 22:06:41,913 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 22:06:41,914 INFO L280 TraceCheckUtils]: 27: Hoare triple {3656#(<= |fibo_#in~n| 2)} havoc #t~ret0; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:41,914 INFO L280 TraceCheckUtils]: 28: Hoare triple {3656#(<= |fibo_#in~n| 2)} havoc #t~ret1; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:41,915 INFO L280 TraceCheckUtils]: 29: Hoare triple {3656#(<= |fibo_#in~n| 2)} assume true; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:41,916 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 22:06:41,917 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 22:06:41,917 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 22:06:41,917 INFO L280 TraceCheckUtils]: 33: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:41,918 INFO L280 TraceCheckUtils]: 34: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:41,918 INFO L280 TraceCheckUtils]: 35: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 22:06:41,918 INFO L280 TraceCheckUtils]: 36: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 22:06:41,918 INFO L280 TraceCheckUtils]: 37: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:41,919 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 22:06:41,920 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 22:06:41,920 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 22:06:41,921 INFO L280 TraceCheckUtils]: 41: Hoare triple {3643#(<= |fibo_#in~n| 3)} havoc #t~ret0; {3643#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 22:06:41,922 INFO L280 TraceCheckUtils]: 42: Hoare triple {3643#(<= |fibo_#in~n| 3)} havoc #t~ret1; {3643#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 22:06:41,922 INFO L280 TraceCheckUtils]: 43: Hoare triple {3643#(<= |fibo_#in~n| 3)} assume true; {3643#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 22:06:41,923 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 22:06:41,924 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 22:06:41,924 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 22:06:41,924 INFO L280 TraceCheckUtils]: 47: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:41,925 INFO L280 TraceCheckUtils]: 48: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:41,925 INFO L280 TraceCheckUtils]: 49: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 22:06:41,925 INFO L263 TraceCheckUtils]: 50: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 22:06:41,925 INFO L280 TraceCheckUtils]: 51: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:41,925 INFO L280 TraceCheckUtils]: 52: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:41,926 INFO L280 TraceCheckUtils]: 53: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 22:06:41,926 INFO L280 TraceCheckUtils]: 54: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 22:06:41,926 INFO L280 TraceCheckUtils]: 55: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:41,926 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {3188#true} {3188#true} #46#return; {3188#true} is VALID [2020-07-08 22:06:41,926 INFO L280 TraceCheckUtils]: 57: Hoare triple {3188#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3188#true} is VALID [2020-07-08 22:06:41,927 INFO L263 TraceCheckUtils]: 58: Hoare triple {3188#true} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 22:06:41,927 INFO L280 TraceCheckUtils]: 59: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:41,927 INFO L280 TraceCheckUtils]: 60: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 22:06:41,927 INFO L280 TraceCheckUtils]: 61: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 22:06:41,927 INFO L280 TraceCheckUtils]: 62: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:41,928 INFO L275 TraceCheckUtils]: 63: Hoare quadruple {3188#true} {3188#true} #48#return; {3188#true} is VALID [2020-07-08 22:06:41,928 INFO L280 TraceCheckUtils]: 64: Hoare triple {3188#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3188#true} is VALID [2020-07-08 22:06:41,928 INFO L280 TraceCheckUtils]: 65: Hoare triple {3188#true} #res := #t~ret0 + #t~ret1; {3188#true} is VALID [2020-07-08 22:06:41,928 INFO L280 TraceCheckUtils]: 66: Hoare triple {3188#true} havoc #t~ret0; {3188#true} is VALID [2020-07-08 22:06:41,929 INFO L280 TraceCheckUtils]: 67: Hoare triple {3188#true} havoc #t~ret1; {3188#true} is VALID [2020-07-08 22:06:41,929 INFO L280 TraceCheckUtils]: 68: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:41,930 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 22:06:41,931 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 22:06:41,931 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 22:06:41,932 INFO L280 TraceCheckUtils]: 72: Hoare triple {3612#(<= |fibo_#in~n| 4)} havoc #t~ret0; {3612#(<= |fibo_#in~n| 4)} is VALID [2020-07-08 22:06:41,932 INFO L280 TraceCheckUtils]: 73: Hoare triple {3612#(<= |fibo_#in~n| 4)} havoc #t~ret1; {3612#(<= |fibo_#in~n| 4)} is VALID [2020-07-08 22:06:41,933 INFO L280 TraceCheckUtils]: 74: Hoare triple {3612#(<= |fibo_#in~n| 4)} assume true; {3612#(<= |fibo_#in~n| 4)} is VALID [2020-07-08 22:06:41,934 INFO L275 TraceCheckUtils]: 75: Hoare quadruple {3612#(<= |fibo_#in~n| 4)} {3188#true} #46#return; {3451#(<= fibo_~n 5)} is VALID [2020-07-08 22:06:41,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:42,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:42,171 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,171 INFO L280 TraceCheckUtils]: 1: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,171 INFO L280 TraceCheckUtils]: 2: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 22:06:42,172 INFO L280 TraceCheckUtils]: 3: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 22:06:42,172 INFO L280 TraceCheckUtils]: 4: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,172 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3188#true} {3188#true} #46#return; {3188#true} is VALID [2020-07-08 22:06:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:42,176 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,176 INFO L280 TraceCheckUtils]: 1: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 22:06:42,177 INFO L280 TraceCheckUtils]: 2: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 22:06:42,177 INFO L280 TraceCheckUtils]: 3: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,177 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3188#true} {3188#true} #48#return; {3188#true} is VALID [2020-07-08 22:06:42,178 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,178 INFO L280 TraceCheckUtils]: 1: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,178 INFO L280 TraceCheckUtils]: 2: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 22:06:42,178 INFO L263 TraceCheckUtils]: 3: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 22:06:42,179 INFO L280 TraceCheckUtils]: 4: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,179 INFO L280 TraceCheckUtils]: 5: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,179 INFO L280 TraceCheckUtils]: 6: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 22:06:42,179 INFO L280 TraceCheckUtils]: 7: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 22:06:42,180 INFO L280 TraceCheckUtils]: 8: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,180 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {3188#true} {3188#true} #46#return; {3188#true} is VALID [2020-07-08 22:06:42,180 INFO L280 TraceCheckUtils]: 10: Hoare triple {3188#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3188#true} is VALID [2020-07-08 22:06:42,180 INFO L263 TraceCheckUtils]: 11: Hoare triple {3188#true} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 22:06:42,180 INFO L280 TraceCheckUtils]: 12: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,181 INFO L280 TraceCheckUtils]: 13: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 22:06:42,181 INFO L280 TraceCheckUtils]: 14: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 22:06:42,181 INFO L280 TraceCheckUtils]: 15: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,181 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {3188#true} {3188#true} #48#return; {3188#true} is VALID [2020-07-08 22:06:42,182 INFO L280 TraceCheckUtils]: 17: Hoare triple {3188#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3188#true} is VALID [2020-07-08 22:06:42,182 INFO L280 TraceCheckUtils]: 18: Hoare triple {3188#true} #res := #t~ret0 + #t~ret1; {3188#true} is VALID [2020-07-08 22:06:42,182 INFO L280 TraceCheckUtils]: 19: Hoare triple {3188#true} havoc #t~ret0; {3188#true} is VALID [2020-07-08 22:06:42,182 INFO L280 TraceCheckUtils]: 20: Hoare triple {3188#true} havoc #t~ret1; {3188#true} is VALID [2020-07-08 22:06:42,182 INFO L280 TraceCheckUtils]: 21: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,183 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 22:06:42,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:42,190 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,190 INFO L280 TraceCheckUtils]: 1: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,190 INFO L280 TraceCheckUtils]: 2: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 22:06:42,190 INFO L280 TraceCheckUtils]: 3: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 22:06:42,191 INFO L280 TraceCheckUtils]: 4: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,192 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 22:06:42,193 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,193 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 22:06:42,194 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 22:06:42,194 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 22:06:42,195 INFO L280 TraceCheckUtils]: 4: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,195 INFO L280 TraceCheckUtils]: 5: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,195 INFO L280 TraceCheckUtils]: 6: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 22:06:42,195 INFO L263 TraceCheckUtils]: 7: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 22:06:42,196 INFO L280 TraceCheckUtils]: 8: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,196 INFO L280 TraceCheckUtils]: 9: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,196 INFO L280 TraceCheckUtils]: 10: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 22:06:42,196 INFO L280 TraceCheckUtils]: 11: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 22:06:42,197 INFO L280 TraceCheckUtils]: 12: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,197 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {3188#true} {3188#true} #46#return; {3188#true} is VALID [2020-07-08 22:06:42,197 INFO L280 TraceCheckUtils]: 14: Hoare triple {3188#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3188#true} is VALID [2020-07-08 22:06:42,198 INFO L263 TraceCheckUtils]: 15: Hoare triple {3188#true} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 22:06:42,198 INFO L280 TraceCheckUtils]: 16: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,198 INFO L280 TraceCheckUtils]: 17: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 22:06:42,198 INFO L280 TraceCheckUtils]: 18: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 22:06:42,199 INFO L280 TraceCheckUtils]: 19: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,199 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {3188#true} {3188#true} #48#return; {3188#true} is VALID [2020-07-08 22:06:42,199 INFO L280 TraceCheckUtils]: 21: Hoare triple {3188#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3188#true} is VALID [2020-07-08 22:06:42,199 INFO L280 TraceCheckUtils]: 22: Hoare triple {3188#true} #res := #t~ret0 + #t~ret1; {3188#true} is VALID [2020-07-08 22:06:42,199 INFO L280 TraceCheckUtils]: 23: Hoare triple {3188#true} havoc #t~ret0; {3188#true} is VALID [2020-07-08 22:06:42,200 INFO L280 TraceCheckUtils]: 24: Hoare triple {3188#true} havoc #t~ret1; {3188#true} is VALID [2020-07-08 22:06:42,200 INFO L280 TraceCheckUtils]: 25: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,201 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 22:06:42,202 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 22:06:42,202 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 22:06:42,203 INFO L280 TraceCheckUtils]: 29: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,203 INFO L280 TraceCheckUtils]: 30: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,203 INFO L280 TraceCheckUtils]: 31: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 22:06:42,203 INFO L280 TraceCheckUtils]: 32: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 22:06:42,204 INFO L280 TraceCheckUtils]: 33: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,205 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 22:06:42,205 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 22:06:42,206 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 22:06:42,207 INFO L280 TraceCheckUtils]: 37: Hoare triple {3849#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,207 INFO L280 TraceCheckUtils]: 38: Hoare triple {3849#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,208 INFO L280 TraceCheckUtils]: 39: Hoare triple {3849#(<= 2 |fibo_#in~n|)} assume true; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,209 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 22:06:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:42,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:42,223 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,223 INFO L280 TraceCheckUtils]: 1: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,223 INFO L280 TraceCheckUtils]: 2: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 22:06:42,224 INFO L280 TraceCheckUtils]: 3: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 22:06:42,224 INFO L280 TraceCheckUtils]: 4: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,224 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3188#true} {3188#true} #46#return; {3188#true} is VALID [2020-07-08 22:06:42,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:42,229 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,230 INFO L280 TraceCheckUtils]: 1: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 22:06:42,230 INFO L280 TraceCheckUtils]: 2: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 22:06:42,230 INFO L280 TraceCheckUtils]: 3: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,231 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3188#true} {3188#true} #48#return; {3188#true} is VALID [2020-07-08 22:06:42,231 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,231 INFO L280 TraceCheckUtils]: 1: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,232 INFO L280 TraceCheckUtils]: 2: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 22:06:42,232 INFO L263 TraceCheckUtils]: 3: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 22:06:42,232 INFO L280 TraceCheckUtils]: 4: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,232 INFO L280 TraceCheckUtils]: 5: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,233 INFO L280 TraceCheckUtils]: 6: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 22:06:42,233 INFO L280 TraceCheckUtils]: 7: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 22:06:42,233 INFO L280 TraceCheckUtils]: 8: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,233 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {3188#true} {3188#true} #46#return; {3188#true} is VALID [2020-07-08 22:06:42,233 INFO L280 TraceCheckUtils]: 10: Hoare triple {3188#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3188#true} is VALID [2020-07-08 22:06:42,234 INFO L263 TraceCheckUtils]: 11: Hoare triple {3188#true} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 22:06:42,234 INFO L280 TraceCheckUtils]: 12: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,234 INFO L280 TraceCheckUtils]: 13: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 22:06:42,234 INFO L280 TraceCheckUtils]: 14: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 22:06:42,234 INFO L280 TraceCheckUtils]: 15: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,235 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {3188#true} {3188#true} #48#return; {3188#true} is VALID [2020-07-08 22:06:42,235 INFO L280 TraceCheckUtils]: 17: Hoare triple {3188#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3188#true} is VALID [2020-07-08 22:06:42,235 INFO L280 TraceCheckUtils]: 18: Hoare triple {3188#true} #res := #t~ret0 + #t~ret1; {3188#true} is VALID [2020-07-08 22:06:42,235 INFO L280 TraceCheckUtils]: 19: Hoare triple {3188#true} havoc #t~ret0; {3188#true} is VALID [2020-07-08 22:06:42,236 INFO L280 TraceCheckUtils]: 20: Hoare triple {3188#true} havoc #t~ret1; {3188#true} is VALID [2020-07-08 22:06:42,236 INFO L280 TraceCheckUtils]: 21: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,237 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 22:06:42,238 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,239 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 22:06:42,239 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 22:06:42,240 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 22:06:42,240 INFO L280 TraceCheckUtils]: 4: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,241 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 22:06:42,242 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 22:06:42,242 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 22:06:42,242 INFO L280 TraceCheckUtils]: 8: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,243 INFO L280 TraceCheckUtils]: 9: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,243 INFO L280 TraceCheckUtils]: 10: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 22:06:42,243 INFO L263 TraceCheckUtils]: 11: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 22:06:42,243 INFO L280 TraceCheckUtils]: 12: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,244 INFO L280 TraceCheckUtils]: 13: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,244 INFO L280 TraceCheckUtils]: 14: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 22:06:42,244 INFO L280 TraceCheckUtils]: 15: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 22:06:42,244 INFO L280 TraceCheckUtils]: 16: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,244 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {3188#true} {3188#true} #46#return; {3188#true} is VALID [2020-07-08 22:06:42,245 INFO L280 TraceCheckUtils]: 18: Hoare triple {3188#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3188#true} is VALID [2020-07-08 22:06:42,245 INFO L263 TraceCheckUtils]: 19: Hoare triple {3188#true} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 22:06:42,245 INFO L280 TraceCheckUtils]: 20: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,245 INFO L280 TraceCheckUtils]: 21: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 22:06:42,245 INFO L280 TraceCheckUtils]: 22: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 22:06:42,246 INFO L280 TraceCheckUtils]: 23: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,246 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {3188#true} {3188#true} #48#return; {3188#true} is VALID [2020-07-08 22:06:42,246 INFO L280 TraceCheckUtils]: 25: Hoare triple {3188#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3188#true} is VALID [2020-07-08 22:06:42,246 INFO L280 TraceCheckUtils]: 26: Hoare triple {3188#true} #res := #t~ret0 + #t~ret1; {3188#true} is VALID [2020-07-08 22:06:42,246 INFO L280 TraceCheckUtils]: 27: Hoare triple {3188#true} havoc #t~ret0; {3188#true} is VALID [2020-07-08 22:06:42,247 INFO L280 TraceCheckUtils]: 28: Hoare triple {3188#true} havoc #t~ret1; {3188#true} is VALID [2020-07-08 22:06:42,247 INFO L280 TraceCheckUtils]: 29: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,248 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 22:06:42,249 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 22:06:42,249 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 22:06:42,249 INFO L280 TraceCheckUtils]: 33: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,249 INFO L280 TraceCheckUtils]: 34: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,249 INFO L280 TraceCheckUtils]: 35: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 22:06:42,250 INFO L280 TraceCheckUtils]: 36: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 22:06:42,250 INFO L280 TraceCheckUtils]: 37: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,251 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 22:06:42,252 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 22:06:42,252 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 22:06:42,253 INFO L280 TraceCheckUtils]: 41: Hoare triple {3849#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,253 INFO L280 TraceCheckUtils]: 42: Hoare triple {3849#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,254 INFO L280 TraceCheckUtils]: 43: Hoare triple {3849#(<= 2 |fibo_#in~n|)} assume true; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,255 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 22:06:42,256 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 22:06:42,256 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 22:06:42,256 INFO L280 TraceCheckUtils]: 47: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,256 INFO L280 TraceCheckUtils]: 48: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,257 INFO L280 TraceCheckUtils]: 49: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 22:06:42,257 INFO L263 TraceCheckUtils]: 50: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 22:06:42,257 INFO L280 TraceCheckUtils]: 51: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,257 INFO L280 TraceCheckUtils]: 52: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,257 INFO L280 TraceCheckUtils]: 53: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 22:06:42,258 INFO L280 TraceCheckUtils]: 54: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 22:06:42,258 INFO L280 TraceCheckUtils]: 55: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,258 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {3188#true} {3188#true} #46#return; {3188#true} is VALID [2020-07-08 22:06:42,258 INFO L280 TraceCheckUtils]: 57: Hoare triple {3188#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3188#true} is VALID [2020-07-08 22:06:42,258 INFO L263 TraceCheckUtils]: 58: Hoare triple {3188#true} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 22:06:42,259 INFO L280 TraceCheckUtils]: 59: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,259 INFO L280 TraceCheckUtils]: 60: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 22:06:42,259 INFO L280 TraceCheckUtils]: 61: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 22:06:42,259 INFO L280 TraceCheckUtils]: 62: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,259 INFO L275 TraceCheckUtils]: 63: Hoare quadruple {3188#true} {3188#true} #48#return; {3188#true} is VALID [2020-07-08 22:06:42,260 INFO L280 TraceCheckUtils]: 64: Hoare triple {3188#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3188#true} is VALID [2020-07-08 22:06:42,260 INFO L280 TraceCheckUtils]: 65: Hoare triple {3188#true} #res := #t~ret0 + #t~ret1; {3188#true} is VALID [2020-07-08 22:06:42,260 INFO L280 TraceCheckUtils]: 66: Hoare triple {3188#true} havoc #t~ret0; {3188#true} is VALID [2020-07-08 22:06:42,260 INFO L280 TraceCheckUtils]: 67: Hoare triple {3188#true} havoc #t~ret1; {3188#true} is VALID [2020-07-08 22:06:42,260 INFO L280 TraceCheckUtils]: 68: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,261 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 22:06:42,262 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 22:06:42,263 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 22:06:42,263 INFO L280 TraceCheckUtils]: 72: Hoare triple {3817#(<= 3 |fibo_#in~n|)} havoc #t~ret0; {3817#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,264 INFO L280 TraceCheckUtils]: 73: Hoare triple {3817#(<= 3 |fibo_#in~n|)} havoc #t~ret1; {3817#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,264 INFO L280 TraceCheckUtils]: 74: Hoare triple {3817#(<= 3 |fibo_#in~n|)} assume true; {3817#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,265 INFO L275 TraceCheckUtils]: 75: Hoare quadruple {3817#(<= 3 |fibo_#in~n|)} {3188#true} #46#return; {3745#(<= 4 fibo_~n)} is VALID [2020-07-08 22:06:42,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:06:42,279 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,280 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 22:06:42,280 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 22:06:42,281 INFO L280 TraceCheckUtils]: 3: Hoare triple {3657#(<= |fibo_#in~n| 1)} #res := 1; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:42,282 INFO L280 TraceCheckUtils]: 4: Hoare triple {3657#(<= |fibo_#in~n| 1)} assume true; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:42,283 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3657#(<= |fibo_#in~n| 1)} {3745#(<= 4 fibo_~n)} #48#return; {3189#false} is VALID [2020-07-08 22:06:42,283 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,283 INFO L280 TraceCheckUtils]: 1: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,284 INFO L280 TraceCheckUtils]: 2: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 22:06:42,284 INFO L263 TraceCheckUtils]: 3: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 22:06:42,284 INFO L280 TraceCheckUtils]: 4: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,285 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 22:06:42,285 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 22:06:42,286 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 22:06:42,286 INFO L280 TraceCheckUtils]: 8: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,287 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 22:06:42,288 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 22:06:42,288 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 22:06:42,288 INFO L280 TraceCheckUtils]: 12: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,288 INFO L280 TraceCheckUtils]: 13: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,289 INFO L280 TraceCheckUtils]: 14: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 22:06:42,289 INFO L263 TraceCheckUtils]: 15: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 22:06:42,289 INFO L280 TraceCheckUtils]: 16: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,289 INFO L280 TraceCheckUtils]: 17: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,289 INFO L280 TraceCheckUtils]: 18: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 22:06:42,290 INFO L280 TraceCheckUtils]: 19: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 22:06:42,290 INFO L280 TraceCheckUtils]: 20: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,290 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {3188#true} {3188#true} #46#return; {3188#true} is VALID [2020-07-08 22:06:42,290 INFO L280 TraceCheckUtils]: 22: Hoare triple {3188#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3188#true} is VALID [2020-07-08 22:06:42,291 INFO L263 TraceCheckUtils]: 23: Hoare triple {3188#true} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 22:06:42,291 INFO L280 TraceCheckUtils]: 24: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,291 INFO L280 TraceCheckUtils]: 25: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 22:06:42,291 INFO L280 TraceCheckUtils]: 26: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 22:06:42,291 INFO L280 TraceCheckUtils]: 27: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,292 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {3188#true} {3188#true} #48#return; {3188#true} is VALID [2020-07-08 22:06:42,292 INFO L280 TraceCheckUtils]: 29: Hoare triple {3188#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3188#true} is VALID [2020-07-08 22:06:42,292 INFO L280 TraceCheckUtils]: 30: Hoare triple {3188#true} #res := #t~ret0 + #t~ret1; {3188#true} is VALID [2020-07-08 22:06:42,292 INFO L280 TraceCheckUtils]: 31: Hoare triple {3188#true} havoc #t~ret0; {3188#true} is VALID [2020-07-08 22:06:42,292 INFO L280 TraceCheckUtils]: 32: Hoare triple {3188#true} havoc #t~ret1; {3188#true} is VALID [2020-07-08 22:06:42,293 INFO L280 TraceCheckUtils]: 33: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,294 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 22:06:42,294 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 22:06:42,295 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 22:06:42,295 INFO L280 TraceCheckUtils]: 37: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,295 INFO L280 TraceCheckUtils]: 38: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,295 INFO L280 TraceCheckUtils]: 39: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 22:06:42,295 INFO L280 TraceCheckUtils]: 40: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 22:06:42,296 INFO L280 TraceCheckUtils]: 41: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,297 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 22:06:42,298 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 22:06:42,298 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 22:06:42,299 INFO L280 TraceCheckUtils]: 45: Hoare triple {3849#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,299 INFO L280 TraceCheckUtils]: 46: Hoare triple {3849#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,300 INFO L280 TraceCheckUtils]: 47: Hoare triple {3849#(<= 2 |fibo_#in~n|)} assume true; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,301 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 22:06:42,303 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 22:06:42,303 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 22:06:42,304 INFO L280 TraceCheckUtils]: 51: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,304 INFO L280 TraceCheckUtils]: 52: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,304 INFO L280 TraceCheckUtils]: 53: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 22:06:42,304 INFO L263 TraceCheckUtils]: 54: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 22:06:42,305 INFO L280 TraceCheckUtils]: 55: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,305 INFO L280 TraceCheckUtils]: 56: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,305 INFO L280 TraceCheckUtils]: 57: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 22:06:42,305 INFO L280 TraceCheckUtils]: 58: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 22:06:42,305 INFO L280 TraceCheckUtils]: 59: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,306 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {3188#true} {3188#true} #46#return; {3188#true} is VALID [2020-07-08 22:06:42,306 INFO L280 TraceCheckUtils]: 61: Hoare triple {3188#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3188#true} is VALID [2020-07-08 22:06:42,306 INFO L263 TraceCheckUtils]: 62: Hoare triple {3188#true} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 22:06:42,306 INFO L280 TraceCheckUtils]: 63: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,306 INFO L280 TraceCheckUtils]: 64: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 22:06:42,307 INFO L280 TraceCheckUtils]: 65: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 22:06:42,307 INFO L280 TraceCheckUtils]: 66: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,307 INFO L275 TraceCheckUtils]: 67: Hoare quadruple {3188#true} {3188#true} #48#return; {3188#true} is VALID [2020-07-08 22:06:42,307 INFO L280 TraceCheckUtils]: 68: Hoare triple {3188#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3188#true} is VALID [2020-07-08 22:06:42,307 INFO L280 TraceCheckUtils]: 69: Hoare triple {3188#true} #res := #t~ret0 + #t~ret1; {3188#true} is VALID [2020-07-08 22:06:42,308 INFO L280 TraceCheckUtils]: 70: Hoare triple {3188#true} havoc #t~ret0; {3188#true} is VALID [2020-07-08 22:06:42,308 INFO L280 TraceCheckUtils]: 71: Hoare triple {3188#true} havoc #t~ret1; {3188#true} is VALID [2020-07-08 22:06:42,308 INFO L280 TraceCheckUtils]: 72: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,310 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 22:06:42,310 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 22:06:42,311 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 22:06:42,311 INFO L280 TraceCheckUtils]: 76: Hoare triple {3817#(<= 3 |fibo_#in~n|)} havoc #t~ret0; {3817#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,312 INFO L280 TraceCheckUtils]: 77: Hoare triple {3817#(<= 3 |fibo_#in~n|)} havoc #t~ret1; {3817#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,312 INFO L280 TraceCheckUtils]: 78: Hoare triple {3817#(<= 3 |fibo_#in~n|)} assume true; {3817#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,314 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {3817#(<= 3 |fibo_#in~n|)} {3188#true} #46#return; {3745#(<= 4 fibo_~n)} is VALID [2020-07-08 22:06:42,315 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 22:06:42,315 INFO L263 TraceCheckUtils]: 81: Hoare triple {3745#(<= 4 fibo_~n)} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 22:06:42,316 INFO L280 TraceCheckUtils]: 82: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,316 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 22:06:42,317 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 22:06:42,318 INFO L280 TraceCheckUtils]: 85: Hoare triple {3657#(<= |fibo_#in~n| 1)} #res := 1; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:42,318 INFO L280 TraceCheckUtils]: 86: Hoare triple {3657#(<= |fibo_#in~n| 1)} assume true; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:42,320 INFO L275 TraceCheckUtils]: 87: Hoare quadruple {3657#(<= |fibo_#in~n| 1)} {3745#(<= 4 fibo_~n)} #48#return; {3189#false} is VALID [2020-07-08 22:06:42,320 INFO L280 TraceCheckUtils]: 88: Hoare triple {3189#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3189#false} is VALID [2020-07-08 22:06:42,320 INFO L280 TraceCheckUtils]: 89: Hoare triple {3189#false} #res := #t~ret0 + #t~ret1; {3189#false} is VALID [2020-07-08 22:06:42,320 INFO L280 TraceCheckUtils]: 90: Hoare triple {3189#false} havoc #t~ret0; {3189#false} is VALID [2020-07-08 22:06:42,321 INFO L280 TraceCheckUtils]: 91: Hoare triple {3189#false} havoc #t~ret1; {3189#false} is VALID [2020-07-08 22:06:42,321 INFO L280 TraceCheckUtils]: 92: Hoare triple {3189#false} assume true; {3189#false} is VALID [2020-07-08 22:06:42,321 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {3189#false} {3451#(<= fibo_~n 5)} #48#return; {3189#false} is VALID [2020-07-08 22:06:42,327 INFO L280 TraceCheckUtils]: 0: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,328 INFO L280 TraceCheckUtils]: 1: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,328 INFO L280 TraceCheckUtils]: 2: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 22:06:42,328 INFO L263 TraceCheckUtils]: 3: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 22:06:42,329 INFO L280 TraceCheckUtils]: 4: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,329 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 22:06:42,330 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 22:06:42,330 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 22:06:42,331 INFO L280 TraceCheckUtils]: 8: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,331 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 22:06:42,332 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 22:06:42,332 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 22:06:42,333 INFO L280 TraceCheckUtils]: 12: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,333 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 22:06:42,334 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 22:06:42,334 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 22:06:42,335 INFO L280 TraceCheckUtils]: 16: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,335 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 22:06:42,336 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 22:06:42,337 INFO L280 TraceCheckUtils]: 19: Hoare triple {3657#(<= |fibo_#in~n| 1)} #res := 1; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:42,338 INFO L280 TraceCheckUtils]: 20: Hoare triple {3657#(<= |fibo_#in~n| 1)} assume true; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:42,339 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 22:06:42,340 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 22:06:42,341 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 22:06:42,341 INFO L280 TraceCheckUtils]: 24: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,341 INFO L280 TraceCheckUtils]: 25: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 22:06:42,342 INFO L280 TraceCheckUtils]: 26: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 22:06:42,342 INFO L280 TraceCheckUtils]: 27: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,343 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 22:06:42,344 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 22:06:42,344 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 22:06:42,345 INFO L280 TraceCheckUtils]: 31: Hoare triple {3656#(<= |fibo_#in~n| 2)} havoc #t~ret0; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:42,345 INFO L280 TraceCheckUtils]: 32: Hoare triple {3656#(<= |fibo_#in~n| 2)} havoc #t~ret1; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:42,346 INFO L280 TraceCheckUtils]: 33: Hoare triple {3656#(<= |fibo_#in~n| 2)} assume true; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:42,347 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 22:06:42,348 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 22:06:42,349 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 22:06:42,349 INFO L280 TraceCheckUtils]: 37: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,349 INFO L280 TraceCheckUtils]: 38: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,349 INFO L280 TraceCheckUtils]: 39: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 22:06:42,350 INFO L280 TraceCheckUtils]: 40: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 22:06:42,350 INFO L280 TraceCheckUtils]: 41: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,351 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 22:06:42,352 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 22:06:42,352 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 22:06:42,353 INFO L280 TraceCheckUtils]: 45: Hoare triple {3643#(<= |fibo_#in~n| 3)} havoc #t~ret0; {3643#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 22:06:42,353 INFO L280 TraceCheckUtils]: 46: Hoare triple {3643#(<= |fibo_#in~n| 3)} havoc #t~ret1; {3643#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 22:06:42,354 INFO L280 TraceCheckUtils]: 47: Hoare triple {3643#(<= |fibo_#in~n| 3)} assume true; {3643#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 22:06:42,356 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 22:06:42,356 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 22:06:42,357 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 22:06:42,357 INFO L280 TraceCheckUtils]: 51: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,357 INFO L280 TraceCheckUtils]: 52: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,357 INFO L280 TraceCheckUtils]: 53: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 22:06:42,357 INFO L263 TraceCheckUtils]: 54: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 22:06:42,358 INFO L280 TraceCheckUtils]: 55: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,358 INFO L280 TraceCheckUtils]: 56: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,358 INFO L280 TraceCheckUtils]: 57: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 22:06:42,358 INFO L280 TraceCheckUtils]: 58: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 22:06:42,358 INFO L280 TraceCheckUtils]: 59: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,358 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {3188#true} {3188#true} #46#return; {3188#true} is VALID [2020-07-08 22:06:42,359 INFO L280 TraceCheckUtils]: 61: Hoare triple {3188#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3188#true} is VALID [2020-07-08 22:06:42,359 INFO L263 TraceCheckUtils]: 62: Hoare triple {3188#true} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 22:06:42,359 INFO L280 TraceCheckUtils]: 63: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,359 INFO L280 TraceCheckUtils]: 64: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 22:06:42,359 INFO L280 TraceCheckUtils]: 65: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 22:06:42,359 INFO L280 TraceCheckUtils]: 66: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,360 INFO L275 TraceCheckUtils]: 67: Hoare quadruple {3188#true} {3188#true} #48#return; {3188#true} is VALID [2020-07-08 22:06:42,360 INFO L280 TraceCheckUtils]: 68: Hoare triple {3188#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3188#true} is VALID [2020-07-08 22:06:42,360 INFO L280 TraceCheckUtils]: 69: Hoare triple {3188#true} #res := #t~ret0 + #t~ret1; {3188#true} is VALID [2020-07-08 22:06:42,360 INFO L280 TraceCheckUtils]: 70: Hoare triple {3188#true} havoc #t~ret0; {3188#true} is VALID [2020-07-08 22:06:42,360 INFO L280 TraceCheckUtils]: 71: Hoare triple {3188#true} havoc #t~ret1; {3188#true} is VALID [2020-07-08 22:06:42,360 INFO L280 TraceCheckUtils]: 72: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,362 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 22:06:42,362 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 22:06:42,363 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 22:06:42,363 INFO L280 TraceCheckUtils]: 76: Hoare triple {3612#(<= |fibo_#in~n| 4)} havoc #t~ret0; {3612#(<= |fibo_#in~n| 4)} is VALID [2020-07-08 22:06:42,364 INFO L280 TraceCheckUtils]: 77: Hoare triple {3612#(<= |fibo_#in~n| 4)} havoc #t~ret1; {3612#(<= |fibo_#in~n| 4)} is VALID [2020-07-08 22:06:42,364 INFO L280 TraceCheckUtils]: 78: Hoare triple {3612#(<= |fibo_#in~n| 4)} assume true; {3612#(<= |fibo_#in~n| 4)} is VALID [2020-07-08 22:06:42,366 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {3612#(<= |fibo_#in~n| 4)} {3188#true} #46#return; {3451#(<= fibo_~n 5)} is VALID [2020-07-08 22:06:42,366 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 22:06:42,367 INFO L263 TraceCheckUtils]: 81: Hoare triple {3451#(<= fibo_~n 5)} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 22:06:42,367 INFO L280 TraceCheckUtils]: 82: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,367 INFO L280 TraceCheckUtils]: 83: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,367 INFO L280 TraceCheckUtils]: 84: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 22:06:42,367 INFO L263 TraceCheckUtils]: 85: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 22:06:42,368 INFO L280 TraceCheckUtils]: 86: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,369 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 22:06:42,369 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 22:06:42,369 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 22:06:42,370 INFO L280 TraceCheckUtils]: 90: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,371 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 22:06:42,372 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 22:06:42,372 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 22:06:42,372 INFO L280 TraceCheckUtils]: 94: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,372 INFO L280 TraceCheckUtils]: 95: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,372 INFO L280 TraceCheckUtils]: 96: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 22:06:42,372 INFO L263 TraceCheckUtils]: 97: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 22:06:42,373 INFO L280 TraceCheckUtils]: 98: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,373 INFO L280 TraceCheckUtils]: 99: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,373 INFO L280 TraceCheckUtils]: 100: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 22:06:42,373 INFO L280 TraceCheckUtils]: 101: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 22:06:42,373 INFO L280 TraceCheckUtils]: 102: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,373 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {3188#true} {3188#true} #46#return; {3188#true} is VALID [2020-07-08 22:06:42,374 INFO L280 TraceCheckUtils]: 104: Hoare triple {3188#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3188#true} is VALID [2020-07-08 22:06:42,374 INFO L263 TraceCheckUtils]: 105: Hoare triple {3188#true} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 22:06:42,374 INFO L280 TraceCheckUtils]: 106: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,374 INFO L280 TraceCheckUtils]: 107: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 22:06:42,374 INFO L280 TraceCheckUtils]: 108: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 22:06:42,375 INFO L280 TraceCheckUtils]: 109: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,375 INFO L275 TraceCheckUtils]: 110: Hoare quadruple {3188#true} {3188#true} #48#return; {3188#true} is VALID [2020-07-08 22:06:42,375 INFO L280 TraceCheckUtils]: 111: Hoare triple {3188#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3188#true} is VALID [2020-07-08 22:06:42,375 INFO L280 TraceCheckUtils]: 112: Hoare triple {3188#true} #res := #t~ret0 + #t~ret1; {3188#true} is VALID [2020-07-08 22:06:42,375 INFO L280 TraceCheckUtils]: 113: Hoare triple {3188#true} havoc #t~ret0; {3188#true} is VALID [2020-07-08 22:06:42,375 INFO L280 TraceCheckUtils]: 114: Hoare triple {3188#true} havoc #t~ret1; {3188#true} is VALID [2020-07-08 22:06:42,376 INFO L280 TraceCheckUtils]: 115: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,377 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 22:06:42,377 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 22:06:42,378 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 22:06:42,378 INFO L280 TraceCheckUtils]: 119: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,378 INFO L280 TraceCheckUtils]: 120: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,378 INFO L280 TraceCheckUtils]: 121: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 22:06:42,379 INFO L280 TraceCheckUtils]: 122: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 22:06:42,379 INFO L280 TraceCheckUtils]: 123: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,380 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 22:06:42,381 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 22:06:42,381 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 22:06:42,382 INFO L280 TraceCheckUtils]: 127: Hoare triple {3849#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,383 INFO L280 TraceCheckUtils]: 128: Hoare triple {3849#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,383 INFO L280 TraceCheckUtils]: 129: Hoare triple {3849#(<= 2 |fibo_#in~n|)} assume true; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,385 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 22:06:42,386 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 22:06:42,387 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 22:06:42,387 INFO L280 TraceCheckUtils]: 133: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,387 INFO L280 TraceCheckUtils]: 134: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,387 INFO L280 TraceCheckUtils]: 135: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 22:06:42,388 INFO L263 TraceCheckUtils]: 136: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 22:06:42,388 INFO L280 TraceCheckUtils]: 137: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,388 INFO L280 TraceCheckUtils]: 138: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,389 INFO L280 TraceCheckUtils]: 139: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 22:06:42,389 INFO L280 TraceCheckUtils]: 140: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 22:06:42,389 INFO L280 TraceCheckUtils]: 141: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,389 INFO L275 TraceCheckUtils]: 142: Hoare quadruple {3188#true} {3188#true} #46#return; {3188#true} is VALID [2020-07-08 22:06:42,389 INFO L280 TraceCheckUtils]: 143: Hoare triple {3188#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3188#true} is VALID [2020-07-08 22:06:42,390 INFO L263 TraceCheckUtils]: 144: Hoare triple {3188#true} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 22:06:42,390 INFO L280 TraceCheckUtils]: 145: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,390 INFO L280 TraceCheckUtils]: 146: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 22:06:42,390 INFO L280 TraceCheckUtils]: 147: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 22:06:42,391 INFO L280 TraceCheckUtils]: 148: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,391 INFO L275 TraceCheckUtils]: 149: Hoare quadruple {3188#true} {3188#true} #48#return; {3188#true} is VALID [2020-07-08 22:06:42,391 INFO L280 TraceCheckUtils]: 150: Hoare triple {3188#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3188#true} is VALID [2020-07-08 22:06:42,391 INFO L280 TraceCheckUtils]: 151: Hoare triple {3188#true} #res := #t~ret0 + #t~ret1; {3188#true} is VALID [2020-07-08 22:06:42,391 INFO L280 TraceCheckUtils]: 152: Hoare triple {3188#true} havoc #t~ret0; {3188#true} is VALID [2020-07-08 22:06:42,392 INFO L280 TraceCheckUtils]: 153: Hoare triple {3188#true} havoc #t~ret1; {3188#true} is VALID [2020-07-08 22:06:42,392 INFO L280 TraceCheckUtils]: 154: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,393 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 22:06:42,394 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 22:06:42,395 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 22:06:42,395 INFO L280 TraceCheckUtils]: 158: Hoare triple {3817#(<= 3 |fibo_#in~n|)} havoc #t~ret0; {3817#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,396 INFO L280 TraceCheckUtils]: 159: Hoare triple {3817#(<= 3 |fibo_#in~n|)} havoc #t~ret1; {3817#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,396 INFO L280 TraceCheckUtils]: 160: Hoare triple {3817#(<= 3 |fibo_#in~n|)} assume true; {3817#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,398 INFO L275 TraceCheckUtils]: 161: Hoare quadruple {3817#(<= 3 |fibo_#in~n|)} {3188#true} #46#return; {3745#(<= 4 fibo_~n)} is VALID [2020-07-08 22:06:42,398 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 22:06:42,398 INFO L263 TraceCheckUtils]: 163: Hoare triple {3745#(<= 4 fibo_~n)} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 22:06:42,399 INFO L280 TraceCheckUtils]: 164: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,399 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 22:06:42,400 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 22:06:42,401 INFO L280 TraceCheckUtils]: 167: Hoare triple {3657#(<= |fibo_#in~n| 1)} #res := 1; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:42,401 INFO L280 TraceCheckUtils]: 168: Hoare triple {3657#(<= |fibo_#in~n| 1)} assume true; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:42,403 INFO L275 TraceCheckUtils]: 169: Hoare quadruple {3657#(<= |fibo_#in~n| 1)} {3745#(<= 4 fibo_~n)} #48#return; {3189#false} is VALID [2020-07-08 22:06:42,403 INFO L280 TraceCheckUtils]: 170: Hoare triple {3189#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3189#false} is VALID [2020-07-08 22:06:42,403 INFO L280 TraceCheckUtils]: 171: Hoare triple {3189#false} #res := #t~ret0 + #t~ret1; {3189#false} is VALID [2020-07-08 22:06:42,403 INFO L280 TraceCheckUtils]: 172: Hoare triple {3189#false} havoc #t~ret0; {3189#false} is VALID [2020-07-08 22:06:42,403 INFO L280 TraceCheckUtils]: 173: Hoare triple {3189#false} havoc #t~ret1; {3189#false} is VALID [2020-07-08 22:06:42,404 INFO L280 TraceCheckUtils]: 174: Hoare triple {3189#false} assume true; {3189#false} is VALID [2020-07-08 22:06:42,404 INFO L275 TraceCheckUtils]: 175: Hoare quadruple {3189#false} {3451#(<= fibo_~n 5)} #48#return; {3189#false} is VALID [2020-07-08 22:06:42,404 INFO L280 TraceCheckUtils]: 176: Hoare triple {3189#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3189#false} is VALID [2020-07-08 22:06:42,404 INFO L280 TraceCheckUtils]: 177: Hoare triple {3189#false} #res := #t~ret0 + #t~ret1; {3189#false} is VALID [2020-07-08 22:06:42,404 INFO L280 TraceCheckUtils]: 178: Hoare triple {3189#false} havoc #t~ret0; {3189#false} is VALID [2020-07-08 22:06:42,405 INFO L280 TraceCheckUtils]: 179: Hoare triple {3189#false} havoc #t~ret1; {3189#false} is VALID [2020-07-08 22:06:42,405 INFO L280 TraceCheckUtils]: 180: Hoare triple {3189#false} assume true; {3189#false} is VALID [2020-07-08 22:06:42,405 INFO L275 TraceCheckUtils]: 181: Hoare quadruple {3189#false} {3192#(<= main_~x~0 5)} #44#return; {3189#false} is VALID [2020-07-08 22:06:42,460 INFO L263 TraceCheckUtils]: 0: Hoare triple {3188#true} call ULTIMATE.init(); {3188#true} is VALID [2020-07-08 22:06:42,461 INFO L280 TraceCheckUtils]: 1: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,461 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3188#true} {3188#true} #40#return; {3188#true} is VALID [2020-07-08 22:06:42,461 INFO L263 TraceCheckUtils]: 3: Hoare triple {3188#true} call #t~ret3 := main(); {3188#true} is VALID [2020-07-08 22:06:42,466 INFO L280 TraceCheckUtils]: 4: Hoare triple {3188#true} ~x~0 := 5; {3192#(<= main_~x~0 5)} is VALID [2020-07-08 22:06:42,466 INFO L263 TraceCheckUtils]: 5: Hoare triple {3192#(<= main_~x~0 5)} call #t~ret2 := fibo(~x~0); {3188#true} is VALID [2020-07-08 22:06:42,466 INFO L280 TraceCheckUtils]: 6: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,466 INFO L280 TraceCheckUtils]: 7: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,467 INFO L280 TraceCheckUtils]: 8: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 22:06:42,467 INFO L263 TraceCheckUtils]: 9: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 22:06:42,472 INFO L280 TraceCheckUtils]: 10: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,472 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 22:06:42,473 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 22:06:42,474 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 22:06:42,474 INFO L280 TraceCheckUtils]: 14: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,475 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 22:06:42,476 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 22:06:42,476 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 22:06:42,477 INFO L280 TraceCheckUtils]: 18: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,478 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 22:06:42,479 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 22:06:42,479 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 22:06:42,480 INFO L280 TraceCheckUtils]: 22: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,481 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 22:06:42,481 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 22:06:42,482 INFO L280 TraceCheckUtils]: 25: Hoare triple {3657#(<= |fibo_#in~n| 1)} #res := 1; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:42,483 INFO L280 TraceCheckUtils]: 26: Hoare triple {3657#(<= |fibo_#in~n| 1)} assume true; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:42,484 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 22:06:42,485 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 22:06:42,485 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 22:06:42,486 INFO L280 TraceCheckUtils]: 30: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,486 INFO L280 TraceCheckUtils]: 31: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 22:06:42,486 INFO L280 TraceCheckUtils]: 32: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 22:06:42,486 INFO L280 TraceCheckUtils]: 33: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,488 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 22:06:42,488 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 22:06:42,489 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 22:06:42,489 INFO L280 TraceCheckUtils]: 37: Hoare triple {3656#(<= |fibo_#in~n| 2)} havoc #t~ret0; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:42,490 INFO L280 TraceCheckUtils]: 38: Hoare triple {3656#(<= |fibo_#in~n| 2)} havoc #t~ret1; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:42,491 INFO L280 TraceCheckUtils]: 39: Hoare triple {3656#(<= |fibo_#in~n| 2)} assume true; {3656#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 22:06:42,492 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 22:06:42,493 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 22:06:42,493 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 22:06:42,493 INFO L280 TraceCheckUtils]: 43: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,493 INFO L280 TraceCheckUtils]: 44: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,494 INFO L280 TraceCheckUtils]: 45: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 22:06:42,494 INFO L280 TraceCheckUtils]: 46: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 22:06:42,494 INFO L280 TraceCheckUtils]: 47: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,496 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 22:06:42,497 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 22:06:42,497 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 22:06:42,498 INFO L280 TraceCheckUtils]: 51: Hoare triple {3643#(<= |fibo_#in~n| 3)} havoc #t~ret0; {3643#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 22:06:42,499 INFO L280 TraceCheckUtils]: 52: Hoare triple {3643#(<= |fibo_#in~n| 3)} havoc #t~ret1; {3643#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 22:06:42,499 INFO L280 TraceCheckUtils]: 53: Hoare triple {3643#(<= |fibo_#in~n| 3)} assume true; {3643#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 22:06:42,501 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 22:06:42,502 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 22:06:42,502 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 22:06:42,503 INFO L280 TraceCheckUtils]: 57: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,503 INFO L280 TraceCheckUtils]: 58: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,503 INFO L280 TraceCheckUtils]: 59: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 22:06:42,504 INFO L263 TraceCheckUtils]: 60: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 22:06:42,504 INFO L280 TraceCheckUtils]: 61: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,504 INFO L280 TraceCheckUtils]: 62: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,504 INFO L280 TraceCheckUtils]: 63: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 22:06:42,505 INFO L280 TraceCheckUtils]: 64: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 22:06:42,505 INFO L280 TraceCheckUtils]: 65: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,505 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {3188#true} {3188#true} #46#return; {3188#true} is VALID [2020-07-08 22:06:42,506 INFO L280 TraceCheckUtils]: 67: Hoare triple {3188#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3188#true} is VALID [2020-07-08 22:06:42,506 INFO L263 TraceCheckUtils]: 68: Hoare triple {3188#true} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 22:06:42,506 INFO L280 TraceCheckUtils]: 69: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,507 INFO L280 TraceCheckUtils]: 70: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 22:06:42,507 INFO L280 TraceCheckUtils]: 71: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 22:06:42,507 INFO L280 TraceCheckUtils]: 72: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,507 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {3188#true} {3188#true} #48#return; {3188#true} is VALID [2020-07-08 22:06:42,508 INFO L280 TraceCheckUtils]: 74: Hoare triple {3188#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3188#true} is VALID [2020-07-08 22:06:42,508 INFO L280 TraceCheckUtils]: 75: Hoare triple {3188#true} #res := #t~ret0 + #t~ret1; {3188#true} is VALID [2020-07-08 22:06:42,508 INFO L280 TraceCheckUtils]: 76: Hoare triple {3188#true} havoc #t~ret0; {3188#true} is VALID [2020-07-08 22:06:42,508 INFO L280 TraceCheckUtils]: 77: Hoare triple {3188#true} havoc #t~ret1; {3188#true} is VALID [2020-07-08 22:06:42,509 INFO L280 TraceCheckUtils]: 78: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,510 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 22:06:42,511 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 22:06:42,511 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 22:06:42,512 INFO L280 TraceCheckUtils]: 82: Hoare triple {3612#(<= |fibo_#in~n| 4)} havoc #t~ret0; {3612#(<= |fibo_#in~n| 4)} is VALID [2020-07-08 22:06:42,513 INFO L280 TraceCheckUtils]: 83: Hoare triple {3612#(<= |fibo_#in~n| 4)} havoc #t~ret1; {3612#(<= |fibo_#in~n| 4)} is VALID [2020-07-08 22:06:42,513 INFO L280 TraceCheckUtils]: 84: Hoare triple {3612#(<= |fibo_#in~n| 4)} assume true; {3612#(<= |fibo_#in~n| 4)} is VALID [2020-07-08 22:06:42,514 INFO L275 TraceCheckUtils]: 85: Hoare quadruple {3612#(<= |fibo_#in~n| 4)} {3188#true} #46#return; {3451#(<= fibo_~n 5)} is VALID [2020-07-08 22:06:42,515 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 22:06:42,515 INFO L263 TraceCheckUtils]: 87: Hoare triple {3451#(<= fibo_~n 5)} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 22:06:42,515 INFO L280 TraceCheckUtils]: 88: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,516 INFO L280 TraceCheckUtils]: 89: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,516 INFO L280 TraceCheckUtils]: 90: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 22:06:42,516 INFO L263 TraceCheckUtils]: 91: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 22:06:42,517 INFO L280 TraceCheckUtils]: 92: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,517 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 22:06:42,518 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 22:06:42,518 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 22:06:42,519 INFO L280 TraceCheckUtils]: 96: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,519 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 22:06:42,520 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 22:06:42,521 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 22:06:42,521 INFO L280 TraceCheckUtils]: 100: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,521 INFO L280 TraceCheckUtils]: 101: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,521 INFO L280 TraceCheckUtils]: 102: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 22:06:42,522 INFO L263 TraceCheckUtils]: 103: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 22:06:42,522 INFO L280 TraceCheckUtils]: 104: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,522 INFO L280 TraceCheckUtils]: 105: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,523 INFO L280 TraceCheckUtils]: 106: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 22:06:42,523 INFO L280 TraceCheckUtils]: 107: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 22:06:42,523 INFO L280 TraceCheckUtils]: 108: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,523 INFO L275 TraceCheckUtils]: 109: Hoare quadruple {3188#true} {3188#true} #46#return; {3188#true} is VALID [2020-07-08 22:06:42,524 INFO L280 TraceCheckUtils]: 110: Hoare triple {3188#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3188#true} is VALID [2020-07-08 22:06:42,524 INFO L263 TraceCheckUtils]: 111: Hoare triple {3188#true} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 22:06:42,524 INFO L280 TraceCheckUtils]: 112: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,524 INFO L280 TraceCheckUtils]: 113: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 22:06:42,524 INFO L280 TraceCheckUtils]: 114: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 22:06:42,525 INFO L280 TraceCheckUtils]: 115: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,525 INFO L275 TraceCheckUtils]: 116: Hoare quadruple {3188#true} {3188#true} #48#return; {3188#true} is VALID [2020-07-08 22:06:42,525 INFO L280 TraceCheckUtils]: 117: Hoare triple {3188#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3188#true} is VALID [2020-07-08 22:06:42,525 INFO L280 TraceCheckUtils]: 118: Hoare triple {3188#true} #res := #t~ret0 + #t~ret1; {3188#true} is VALID [2020-07-08 22:06:42,526 INFO L280 TraceCheckUtils]: 119: Hoare triple {3188#true} havoc #t~ret0; {3188#true} is VALID [2020-07-08 22:06:42,526 INFO L280 TraceCheckUtils]: 120: Hoare triple {3188#true} havoc #t~ret1; {3188#true} is VALID [2020-07-08 22:06:42,526 INFO L280 TraceCheckUtils]: 121: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,527 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 22:06:42,529 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 22:06:42,529 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 22:06:42,529 INFO L280 TraceCheckUtils]: 125: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,530 INFO L280 TraceCheckUtils]: 126: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,530 INFO L280 TraceCheckUtils]: 127: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 22:06:42,530 INFO L280 TraceCheckUtils]: 128: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 22:06:42,530 INFO L280 TraceCheckUtils]: 129: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,532 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 22:06:42,533 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 22:06:42,534 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 22:06:42,534 INFO L280 TraceCheckUtils]: 133: Hoare triple {3849#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,535 INFO L280 TraceCheckUtils]: 134: Hoare triple {3849#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,536 INFO L280 TraceCheckUtils]: 135: Hoare triple {3849#(<= 2 |fibo_#in~n|)} assume true; {3849#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,537 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 22:06:42,538 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 22:06:42,538 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 22:06:42,538 INFO L280 TraceCheckUtils]: 139: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,539 INFO L280 TraceCheckUtils]: 140: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,539 INFO L280 TraceCheckUtils]: 141: Hoare triple {3188#true} assume !(1 == ~n); {3188#true} is VALID [2020-07-08 22:06:42,539 INFO L263 TraceCheckUtils]: 142: Hoare triple {3188#true} call #t~ret0 := fibo(~n - 1); {3188#true} is VALID [2020-07-08 22:06:42,539 INFO L280 TraceCheckUtils]: 143: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,539 INFO L280 TraceCheckUtils]: 144: Hoare triple {3188#true} assume !(~n < 1); {3188#true} is VALID [2020-07-08 22:06:42,540 INFO L280 TraceCheckUtils]: 145: Hoare triple {3188#true} assume 1 == ~n; {3188#true} is VALID [2020-07-08 22:06:42,540 INFO L280 TraceCheckUtils]: 146: Hoare triple {3188#true} #res := 1; {3188#true} is VALID [2020-07-08 22:06:42,540 INFO L280 TraceCheckUtils]: 147: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,540 INFO L275 TraceCheckUtils]: 148: Hoare quadruple {3188#true} {3188#true} #46#return; {3188#true} is VALID [2020-07-08 22:06:42,540 INFO L280 TraceCheckUtils]: 149: Hoare triple {3188#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3188#true} is VALID [2020-07-08 22:06:42,541 INFO L263 TraceCheckUtils]: 150: Hoare triple {3188#true} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 22:06:42,541 INFO L280 TraceCheckUtils]: 151: Hoare triple {3188#true} ~n := #in~n; {3188#true} is VALID [2020-07-08 22:06:42,541 INFO L280 TraceCheckUtils]: 152: Hoare triple {3188#true} assume ~n < 1; {3188#true} is VALID [2020-07-08 22:06:42,541 INFO L280 TraceCheckUtils]: 153: Hoare triple {3188#true} #res := 0; {3188#true} is VALID [2020-07-08 22:06:42,541 INFO L280 TraceCheckUtils]: 154: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,542 INFO L275 TraceCheckUtils]: 155: Hoare quadruple {3188#true} {3188#true} #48#return; {3188#true} is VALID [2020-07-08 22:06:42,542 INFO L280 TraceCheckUtils]: 156: Hoare triple {3188#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3188#true} is VALID [2020-07-08 22:06:42,542 INFO L280 TraceCheckUtils]: 157: Hoare triple {3188#true} #res := #t~ret0 + #t~ret1; {3188#true} is VALID [2020-07-08 22:06:42,542 INFO L280 TraceCheckUtils]: 158: Hoare triple {3188#true} havoc #t~ret0; {3188#true} is VALID [2020-07-08 22:06:42,542 INFO L280 TraceCheckUtils]: 159: Hoare triple {3188#true} havoc #t~ret1; {3188#true} is VALID [2020-07-08 22:06:42,542 INFO L280 TraceCheckUtils]: 160: Hoare triple {3188#true} assume true; {3188#true} is VALID [2020-07-08 22:06:42,544 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 22:06:42,544 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 22:06:42,545 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 22:06:42,546 INFO L280 TraceCheckUtils]: 164: Hoare triple {3817#(<= 3 |fibo_#in~n|)} havoc #t~ret0; {3817#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,547 INFO L280 TraceCheckUtils]: 165: Hoare triple {3817#(<= 3 |fibo_#in~n|)} havoc #t~ret1; {3817#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,547 INFO L280 TraceCheckUtils]: 166: Hoare triple {3817#(<= 3 |fibo_#in~n|)} assume true; {3817#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,549 INFO L275 TraceCheckUtils]: 167: Hoare quadruple {3817#(<= 3 |fibo_#in~n|)} {3188#true} #46#return; {3745#(<= 4 fibo_~n)} is VALID [2020-07-08 22:06:42,550 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 22:06:42,550 INFO L263 TraceCheckUtils]: 169: Hoare triple {3745#(<= 4 fibo_~n)} call #t~ret1 := fibo(~n - 2); {3188#true} is VALID [2020-07-08 22:06:42,551 INFO L280 TraceCheckUtils]: 170: Hoare triple {3188#true} ~n := #in~n; {3546#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 22:06:42,551 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 22:06:42,552 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 22:06:42,553 INFO L280 TraceCheckUtils]: 173: Hoare triple {3657#(<= |fibo_#in~n| 1)} #res := 1; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:42,554 INFO L280 TraceCheckUtils]: 174: Hoare triple {3657#(<= |fibo_#in~n| 1)} assume true; {3657#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 22:06:42,555 INFO L275 TraceCheckUtils]: 175: Hoare quadruple {3657#(<= |fibo_#in~n| 1)} {3745#(<= 4 fibo_~n)} #48#return; {3189#false} is VALID [2020-07-08 22:06:42,556 INFO L280 TraceCheckUtils]: 176: Hoare triple {3189#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3189#false} is VALID [2020-07-08 22:06:42,556 INFO L280 TraceCheckUtils]: 177: Hoare triple {3189#false} #res := #t~ret0 + #t~ret1; {3189#false} is VALID [2020-07-08 22:06:42,556 INFO L280 TraceCheckUtils]: 178: Hoare triple {3189#false} havoc #t~ret0; {3189#false} is VALID [2020-07-08 22:06:42,557 INFO L280 TraceCheckUtils]: 179: Hoare triple {3189#false} havoc #t~ret1; {3189#false} is VALID [2020-07-08 22:06:42,557 INFO L280 TraceCheckUtils]: 180: Hoare triple {3189#false} assume true; {3189#false} is VALID [2020-07-08 22:06:42,557 INFO L275 TraceCheckUtils]: 181: Hoare quadruple {3189#false} {3451#(<= fibo_~n 5)} #48#return; {3189#false} is VALID [2020-07-08 22:06:42,557 INFO L280 TraceCheckUtils]: 182: Hoare triple {3189#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3189#false} is VALID [2020-07-08 22:06:42,558 INFO L280 TraceCheckUtils]: 183: Hoare triple {3189#false} #res := #t~ret0 + #t~ret1; {3189#false} is VALID [2020-07-08 22:06:42,558 INFO L280 TraceCheckUtils]: 184: Hoare triple {3189#false} havoc #t~ret0; {3189#false} is VALID [2020-07-08 22:06:42,558 INFO L280 TraceCheckUtils]: 185: Hoare triple {3189#false} havoc #t~ret1; {3189#false} is VALID [2020-07-08 22:06:42,558 INFO L280 TraceCheckUtils]: 186: Hoare triple {3189#false} assume true; {3189#false} is VALID [2020-07-08 22:06:42,559 INFO L275 TraceCheckUtils]: 187: Hoare quadruple {3189#false} {3192#(<= main_~x~0 5)} #44#return; {3189#false} is VALID [2020-07-08 22:06:42,559 INFO L280 TraceCheckUtils]: 188: Hoare triple {3189#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3189#false} is VALID [2020-07-08 22:06:42,559 INFO L280 TraceCheckUtils]: 189: Hoare triple {3189#false} ~result~0 := #t~ret2; {3189#false} is VALID [2020-07-08 22:06:42,559 INFO L280 TraceCheckUtils]: 190: Hoare triple {3189#false} havoc #t~ret2; {3189#false} is VALID [2020-07-08 22:06:42,559 INFO L280 TraceCheckUtils]: 191: Hoare triple {3189#false} assume 5 == ~result~0; {3189#false} is VALID [2020-07-08 22:06:42,560 INFO L280 TraceCheckUtils]: 192: Hoare triple {3189#false} assume !false; {3189#false} is VALID [2020-07-08 22:06:42,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 355 proven. 390 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2020-07-08 22:06:42,593 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2049002044] [2020-07-08 22:06:42,593 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 22:06:42,593 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-07-08 22:06:42,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255725854] [2020-07-08 22:06:42,595 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 193 [2020-07-08 22:06:42,635 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:06:42,636 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 18 states. [2020-07-08 22:06:42,755 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 22:06:42,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-08 22:06:42,756 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:06:42,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-08 22:06:42,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2020-07-08 22:06:42,757 INFO L87 Difference]: Start difference. First operand 70 states and 86 transitions. Second operand 18 states. [2020-07-08 22:06:44,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:06:44,323 INFO L93 Difference]: Finished difference Result 149 states and 214 transitions. [2020-07-08 22:06:44,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-08 22:06:44,323 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 193 [2020-07-08 22:06:44,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:06:44,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-07-08 22:06:44,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 133 transitions. [2020-07-08 22:06:44,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-07-08 22:06:44,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 133 transitions. [2020-07-08 22:06:44,333 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 21 states and 133 transitions. [2020-07-08 22:06:44,500 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 22:06:44,505 INFO L225 Difference]: With dead ends: 149 [2020-07-08 22:06:44,505 INFO L226 Difference]: Without dead ends: 92 [2020-07-08 22:06:44,507 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 22:06:44,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-07-08 22:06:44,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 79. [2020-07-08 22:06:44,654 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:06:44,654 INFO L82 GeneralOperation]: Start isEquivalent. First operand 92 states. Second operand 79 states. [2020-07-08 22:06:44,655 INFO L74 IsIncluded]: Start isIncluded. First operand 92 states. Second operand 79 states. [2020-07-08 22:06:44,655 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 79 states. [2020-07-08 22:06:44,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:06:44,660 INFO L93 Difference]: Finished difference Result 92 states and 115 transitions. [2020-07-08 22:06:44,660 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 115 transitions. [2020-07-08 22:06:44,661 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:06:44,661 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:06:44,662 INFO L74 IsIncluded]: Start isIncluded. First operand 79 states. Second operand 92 states. [2020-07-08 22:06:44,662 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 92 states. [2020-07-08 22:06:44,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:06:44,666 INFO L93 Difference]: Finished difference Result 92 states and 115 transitions. [2020-07-08 22:06:44,667 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 115 transitions. [2020-07-08 22:06:44,667 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:06:44,667 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:06:44,668 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:06:44,668 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:06:44,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-07-08 22:06:44,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 97 transitions. [2020-07-08 22:06:44,672 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 97 transitions. Word has length 193 [2020-07-08 22:06:44,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:06:44,672 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 97 transitions. [2020-07-08 22:06:44,672 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-08 22:06:44,672 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 79 states and 97 transitions. [2020-07-08 22:06:44,818 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 22:06:44,818 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 97 transitions. [2020-07-08 22:06:44,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-07-08 22:06:44,820 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:06:44,820 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 22:06:44,821 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-08 22:06:44,821 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:06:44,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:06:44,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1618484333, now seen corresponding path program 6 times [2020-07-08 22:06:44,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:06:44,822 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1728545409] [2020-07-08 22:06:44,822 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:06:44,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 22:06:44,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 22:06:44,908 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-08 22:06:44,908 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-08 22:06:44,909 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-08 22:06:44,987 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-08 22:06:44,987 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 22:06:44,987 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 22:06:44,987 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-08 22:06:44,987 WARN L170 areAnnotationChecker]: fiboENTRY has no Hoare annotation [2020-07-08 22:06:44,987 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-08 22:06:44,987 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 22:06:44,987 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 22:06:44,988 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-08 22:06:44,988 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-08 22:06:44,988 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2020-07-08 22:06:44,988 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2020-07-08 22:06:44,988 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-08 22:06:44,988 WARN L170 areAnnotationChecker]: L25-1 has no Hoare annotation [2020-07-08 22:06:44,988 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2020-07-08 22:06:44,988 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-08 22:06:44,988 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-08 22:06:44,988 WARN L170 areAnnotationChecker]: L25-2 has no Hoare annotation [2020-07-08 22:06:44,989 WARN L170 areAnnotationChecker]: fiboFINAL has no Hoare annotation [2020-07-08 22:06:44,989 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2020-07-08 22:06:44,989 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-08 22:06:44,989 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-08 22:06:44,989 WARN L170 areAnnotationChecker]: L25-3 has no Hoare annotation [2020-07-08 22:06:44,989 WARN L170 areAnnotationChecker]: fiboEXIT has no Hoare annotation [2020-07-08 22:06:44,989 WARN L170 areAnnotationChecker]: fiboEXIT has no Hoare annotation [2020-07-08 22:06:44,989 WARN L170 areAnnotationChecker]: fiboEXIT has no Hoare annotation [2020-07-08 22:06:44,989 WARN L170 areAnnotationChecker]: L11-1 has no Hoare annotation [2020-07-08 22:06:44,989 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-08 22:06:44,989 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-08 22:06:44,990 WARN L170 areAnnotationChecker]: L11-3 has no Hoare annotation [2020-07-08 22:06:44,990 WARN L170 areAnnotationChecker]: L11-2 has no Hoare annotation [2020-07-08 22:06:44,990 WARN L170 areAnnotationChecker]: L11-2 has no Hoare annotation [2020-07-08 22:06:44,990 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-08 22:06:44,990 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-08 22:06:44,990 WARN L170 areAnnotationChecker]: L26-2 has no Hoare annotation [2020-07-08 22:06:44,990 WARN L170 areAnnotationChecker]: L11-4 has no Hoare annotation [2020-07-08 22:06:44,990 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-08 22:06:44,990 WARN L170 areAnnotationChecker]: L11-5 has no Hoare annotation [2020-07-08 22:06:44,990 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-08 22:06:44,991 WARN L170 areAnnotationChecker]: L11-6 has no Hoare annotation [2020-07-08 22:06:44,991 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 22:06:44,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 10:06:44 BoogieIcfgContainer [2020-07-08 22:06:44,995 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 22:06:45,004 INFO L168 Benchmark]: Toolchain (without parser) took 12813.95 ms. Allocated memory was 138.4 MB in the beginning and 388.5 MB in the end (delta: 250.1 MB). Free memory was 101.9 MB in the beginning and 347.0 MB in the end (delta: -245.2 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-07-08 22:06:45,006 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 138.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-08 22:06:45,007 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.79 ms. Allocated memory is still 138.4 MB. Free memory was 101.6 MB in the beginning and 92.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2020-07-08 22:06:45,007 INFO L168 Benchmark]: Boogie Preprocessor took 34.57 ms. Allocated memory is still 138.4 MB. Free memory was 92.1 MB in the beginning and 90.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-07-08 22:06:45,008 INFO L168 Benchmark]: RCFGBuilder took 404.75 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 90.7 MB in the beginning and 165.5 MB in the end (delta: -74.8 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2020-07-08 22:06:45,011 INFO L168 Benchmark]: TraceAbstraction took 12001.38 ms. Allocated memory was 202.9 MB in the beginning and 388.5 MB in the end (delta: 185.6 MB). Free memory was 165.5 MB in the beginning and 347.0 MB in the end (delta: -181.5 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-08 22:06:45,018 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 0.28 ms. Allocated memory is still 138.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 365.79 ms. Allocated memory is still 138.4 MB. Free memory was 101.6 MB in the beginning and 92.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 34.57 ms. Allocated memory is still 138.4 MB. Free memory was 92.1 MB in the beginning and 90.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 404.75 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 90.7 MB in the beginning and 165.5 MB in the end (delta: -74.8 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12001.38 ms. Allocated memory was 202.9 MB in the beginning and 388.5 MB in the end (delta: 185.6 MB). Free memory was 165.5 MB in the beginning and 347.0 MB in the end (delta: -181.5 MB). Peak memory consumption was 4.1 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; VAL [x=5] [L25] CALL, EXPR fibo(x) VAL [\old(n)=5] [L6] COND FALSE !(n < 1) VAL [\old(n)=5, n=5] [L8] COND FALSE !(n == 1) VAL [\old(n)=5, n=5] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=4] [L6] COND FALSE !(n < 1) VAL [\old(n)=4, n=4] [L8] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=3] [L6] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L8] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 VAL [\old(n)=1, n=1] [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 VAL [\old(n)=0, n=0] [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); VAL [\old(n)=2, \result=1, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 VAL [\old(n)=1, n=1] [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L11] return fibo(n-1) + fibo(n-2); VAL [\old(n)=3, \result=2, fibo(n-1)=1, fibo(n-2)=1, n=3] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=4, fibo(n-1)=2, n=4] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 VAL [\old(n)=1, n=1] [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 VAL [\old(n)=0, n=0] [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); VAL [\old(n)=2, \result=1, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=4, fibo(n-1)=2, fibo(n-2)=1, n=4] [L11] return fibo(n-1) + fibo(n-2); VAL [\old(n)=4, \result=3, fibo(n-1)=2, fibo(n-2)=1, n=4] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=5, fibo(n-1)=3, n=5] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=3] [L6] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L8] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 VAL [\old(n)=1, n=1] [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 VAL [\old(n)=0, n=0] [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); VAL [\old(n)=2, \result=1, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 VAL [\old(n)=1, n=1] [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L11] return fibo(n-1) + fibo(n-2); VAL [\old(n)=3, \result=2, fibo(n-1)=1, fibo(n-2)=1, n=3] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=5, fibo(n-1)=3, fibo(n-2)=2, n=5] [L11] return fibo(n-1) + fibo(n-2); VAL [\old(n)=5, \result=5, fibo(n-1)=3, fibo(n-2)=2, n=5] [L25] RET, EXPR fibo(x) VAL [fibo(x)=5, x=5] [L25] int result = fibo(x); VAL [fibo(x)=5, result=5, x=5] [L26] COND TRUE result == 5 VAL [result=5, x=5] [L27] __VERIFIER_error() VAL [result=5, x=5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 11.8s, OverallIterations: 9, TraceHistogramMax: 21, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 231 SDtfs, 523 SDslu, 700 SDs, 0 SdLazy, 669 SolverSat, 272 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s 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: 0.9s AutomataMinimizationTime, 8 MinimizatonAttempts, 36 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 659 NumberOfCodeBlocks, 659 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 511 ConstructedInterpolants, 0 QuantifiedInterpolants, 121555 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 1327/1932 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...