/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/id2_i5_o5-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 22:06:59,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 22:06:59,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 22:06:59,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 22:06:59,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 22:06:59,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 22:06:59,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 22:06:59,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 22:06:59,278 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 22:06:59,279 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 22:06:59,280 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 22:06:59,282 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 22:06:59,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 22:06:59,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 22:06:59,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 22:06:59,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 22:06:59,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 22:06:59,294 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 22:06:59,296 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 22:06:59,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 22:06:59,306 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 22:06:59,309 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 22:06:59,310 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 22:06:59,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 22:06:59,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-08 22:06:59,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-08 22:06:59,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-08 22:06:59,317 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-08 22:06:59,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-08 22:06:59,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-08 22:06:59,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 22:06:59,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 22:06:59,322 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 22:06:59,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 22:06:59,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 22:06:59,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 22:06:59,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 22:06:59,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 22:06:59,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 22:06:59,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 22:06:59,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 22:06:59,330 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 22:06:59,346 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 22:06:59,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 22:06:59,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 22:06:59,349 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 22:06:59,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 22:06:59,349 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 22:06:59,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 22:06:59,349 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 22:06:59,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 22:06:59,350 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 22:06:59,351 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 22:06:59,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 22:06:59,351 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 22:06:59,351 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 22:06:59,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 22:06:59,352 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 22:06:59,352 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 22:06:59,353 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 22:06:59,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 22:06:59,353 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 22:06:59,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 22:06:59,353 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 22:06:59,354 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 22:06:59,647 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 22:06:59,661 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 22:06:59,665 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 22:06:59,667 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 22:06:59,668 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 22:06:59,668 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/id2_i5_o5-2.c [2020-07-08 22:06:59,739 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da45f1a9d/1a3e445419094f1f9210ec2bf0a5ae77/FLAG69a35d8cd [2020-07-08 22:07:00,267 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 22:07:00,268 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/id2_i5_o5-2.c [2020-07-08 22:07:00,274 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da45f1a9d/1a3e445419094f1f9210ec2bf0a5ae77/FLAG69a35d8cd [2020-07-08 22:07:00,626 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da45f1a9d/1a3e445419094f1f9210ec2bf0a5ae77 [2020-07-08 22:07:00,636 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 22:07:00,638 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 22:07:00,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 22:07:00,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 22:07:00,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 22:07:00,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 10:07:00" (1/1) ... [2020-07-08 22:07:00,648 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@740af49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:07:00, skipping insertion in model container [2020-07-08 22:07:00,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 10:07:00" (1/1) ... [2020-07-08 22:07:00,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 22:07:00,675 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 22:07:00,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 22:07:00,870 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 22:07:00,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 22:07:00,907 INFO L208 MainTranslator]: Completed translation [2020-07-08 22:07:00,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:07:00 WrapperNode [2020-07-08 22:07:00,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 22:07:00,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 22:07:00,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 22:07:00,909 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 22:07:00,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:07:00" (1/1) ... [2020-07-08 22:07:00,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:07:00" (1/1) ... [2020-07-08 22:07:01,018 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:07:00" (1/1) ... [2020-07-08 22:07:01,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:07:00" (1/1) ... [2020-07-08 22:07:01,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:07:00" (1/1) ... [2020-07-08 22:07:01,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:07:00" (1/1) ... [2020-07-08 22:07:01,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:07:00" (1/1) ... [2020-07-08 22:07:01,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 22:07:01,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 22:07:01,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 22:07:01,030 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 22:07:01,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:07:00" (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 22:07:01,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 22:07:01,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 22:07:01,095 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2020-07-08 22:07:01,095 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2020-07-08 22:07:01,095 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 22:07:01,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-08 22:07:01,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 22:07:01,096 INFO L130 BoogieDeclarations]: Found specification of procedure id [2020-07-08 22:07:01,096 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2020-07-08 22:07:01,096 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 22:07:01,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 22:07:01,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 22:07:01,440 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 22:07:01,440 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-08 22:07:01,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 10:07:01 BoogieIcfgContainer [2020-07-08 22:07:01,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 22:07:01,445 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 22:07:01,445 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 22:07:01,449 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 22:07:01,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 10:07:00" (1/3) ... [2020-07-08 22:07:01,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c54ccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 10:07:01, skipping insertion in model container [2020-07-08 22:07:01,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:07:00" (2/3) ... [2020-07-08 22:07:01,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c54ccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 10:07:01, skipping insertion in model container [2020-07-08 22:07:01,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 10:07:01" (3/3) ... [2020-07-08 22:07:01,453 INFO L109 eAbstractionObserver]: Analyzing ICFG id2_i5_o5-2.c [2020-07-08 22:07:01,464 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 22:07:01,473 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 22:07:01,488 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 22:07:01,511 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 22:07:01,511 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 22:07:01,511 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-08 22:07:01,511 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 22:07:01,512 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 22:07:01,512 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 22:07:01,512 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 22:07:01,512 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 22:07:01,538 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2020-07-08 22:07:01,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-08 22:07:01,549 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:07:01,551 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:07:01,551 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:07:01,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:07:01,558 INFO L82 PathProgramCache]: Analyzing trace with hash -588914908, now seen corresponding path program 1 times [2020-07-08 22:07:01,566 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:07:01,567 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1742634786] [2020-07-08 22:07:01,567 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:07:01,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:01,755 INFO L280 TraceCheckUtils]: 0: Hoare triple {37#true} assume true; {37#true} is VALID [2020-07-08 22:07:01,756 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {37#true} {37#true} #44#return; {37#true} is VALID [2020-07-08 22:07:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:01,823 INFO L280 TraceCheckUtils]: 0: Hoare triple {37#true} ~x := #in~x; {47#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:01,824 INFO L280 TraceCheckUtils]: 1: Hoare triple {47#(= |id_#in~x| id_~x)} assume 0 == ~x; {48#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:01,825 INFO L280 TraceCheckUtils]: 2: Hoare triple {48#(= 0 |id_#in~x|)} #res := 0; {48#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:01,826 INFO L280 TraceCheckUtils]: 3: Hoare triple {48#(= 0 |id_#in~x|)} assume true; {48#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:01,829 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {48#(= 0 |id_#in~x|)} {41#(<= 5 main_~input~0)} #48#return; {38#false} is VALID [2020-07-08 22:07:01,830 INFO L263 TraceCheckUtils]: 0: Hoare triple {37#true} call ULTIMATE.init(); {37#true} is VALID [2020-07-08 22:07:01,830 INFO L280 TraceCheckUtils]: 1: Hoare triple {37#true} assume true; {37#true} is VALID [2020-07-08 22:07:01,831 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {37#true} {37#true} #44#return; {37#true} is VALID [2020-07-08 22:07:01,831 INFO L263 TraceCheckUtils]: 3: Hoare triple {37#true} call #t~ret3 := main(); {37#true} is VALID [2020-07-08 22:07:01,833 INFO L280 TraceCheckUtils]: 4: Hoare triple {37#true} ~input~0 := 5; {41#(<= 5 main_~input~0)} is VALID [2020-07-08 22:07:01,833 INFO L263 TraceCheckUtils]: 5: Hoare triple {41#(<= 5 main_~input~0)} call #t~ret2 := id(~input~0); {37#true} is VALID [2020-07-08 22:07:01,834 INFO L280 TraceCheckUtils]: 6: Hoare triple {37#true} ~x := #in~x; {47#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:01,835 INFO L280 TraceCheckUtils]: 7: Hoare triple {47#(= |id_#in~x| id_~x)} assume 0 == ~x; {48#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:01,837 INFO L280 TraceCheckUtils]: 8: Hoare triple {48#(= 0 |id_#in~x|)} #res := 0; {48#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:01,838 INFO L280 TraceCheckUtils]: 9: Hoare triple {48#(= 0 |id_#in~x|)} assume true; {48#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:01,840 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {48#(= 0 |id_#in~x|)} {41#(<= 5 main_~input~0)} #48#return; {38#false} is VALID [2020-07-08 22:07:01,840 INFO L280 TraceCheckUtils]: 11: Hoare triple {38#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {38#false} is VALID [2020-07-08 22:07:01,841 INFO L280 TraceCheckUtils]: 12: Hoare triple {38#false} ~result~0 := #t~ret2; {38#false} is VALID [2020-07-08 22:07:01,841 INFO L280 TraceCheckUtils]: 13: Hoare triple {38#false} havoc #t~ret2; {38#false} is VALID [2020-07-08 22:07:01,842 INFO L280 TraceCheckUtils]: 14: Hoare triple {38#false} assume 5 != ~result~0; {38#false} is VALID [2020-07-08 22:07:01,842 INFO L280 TraceCheckUtils]: 15: Hoare triple {38#false} assume !false; {38#false} is VALID [2020-07-08 22:07:01,845 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 22:07:01,846 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1742634786] [2020-07-08 22:07:01,848 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 22:07:01,848 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-08 22:07:01,850 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113354021] [2020-07-08 22:07:01,857 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-07-08 22:07:01,860 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:07:01,864 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-08 22:07:01,896 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 22:07:01,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-08 22:07:01,897 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:07:01,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-08 22:07:01,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-08 22:07:01,909 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 5 states. [2020-07-08 22:07:02,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:07:02,199 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2020-07-08 22:07:02,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-08 22:07:02,199 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-07-08 22:07:02,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:07:02,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-08 22:07:02,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 50 transitions. [2020-07-08 22:07:02,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-08 22:07:02,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 50 transitions. [2020-07-08 22:07:02,218 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 50 transitions. [2020-07-08 22:07:02,297 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 22:07:02,310 INFO L225 Difference]: With dead ends: 46 [2020-07-08 22:07:02,310 INFO L226 Difference]: Without dead ends: 32 [2020-07-08 22:07:02,315 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 22:07:02,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-07-08 22:07:02,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-07-08 22:07:02,403 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:07:02,404 INFO L82 GeneralOperation]: Start isEquivalent. First operand 32 states. Second operand 32 states. [2020-07-08 22:07:02,404 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand 32 states. [2020-07-08 22:07:02,404 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 32 states. [2020-07-08 22:07:02,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:07:02,411 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2020-07-08 22:07:02,411 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2020-07-08 22:07:02,412 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:07:02,412 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:07:02,413 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand 32 states. [2020-07-08 22:07:02,413 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 32 states. [2020-07-08 22:07:02,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:07:02,418 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2020-07-08 22:07:02,418 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2020-07-08 22:07:02,419 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:07:02,419 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:07:02,419 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:07:02,420 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:07:02,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-07-08 22:07:02,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2020-07-08 22:07:02,425 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 16 [2020-07-08 22:07:02,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:07:02,425 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2020-07-08 22:07:02,426 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-08 22:07:02,426 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 32 states and 34 transitions. [2020-07-08 22:07:02,473 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 22:07:02,474 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2020-07-08 22:07:02,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-08 22:07:02,475 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:07:02,475 INFO L422 BasicCegarLoop]: trace histogram [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 22:07:02,476 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 22:07:02,476 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:07:02,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:07:02,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1852809946, now seen corresponding path program 1 times [2020-07-08 22:07:02,477 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:07:02,477 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [34909204] [2020-07-08 22:07:02,477 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:07:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:02,560 INFO L280 TraceCheckUtils]: 0: Hoare triple {273#true} assume true; {273#true} is VALID [2020-07-08 22:07:02,561 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {273#true} {273#true} #44#return; {273#true} is VALID [2020-07-08 22:07:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:02,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:02,689 INFO L280 TraceCheckUtils]: 0: Hoare triple {273#true} ~x := #in~x; {298#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:02,690 INFO L280 TraceCheckUtils]: 1: Hoare triple {298#(= id2_~x |id2_#in~x|)} assume 0 == ~x; {299#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:02,691 INFO L280 TraceCheckUtils]: 2: Hoare triple {299#(= 0 |id2_#in~x|)} #res := 0; {299#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:02,692 INFO L280 TraceCheckUtils]: 3: Hoare triple {299#(= 0 |id2_#in~x|)} assume true; {299#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:02,694 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {299#(= 0 |id2_#in~x|)} {291#(= |id_#in~x| id_~x)} #50#return; {297#(<= |id_#in~x| 1)} is VALID [2020-07-08 22:07:02,696 INFO L280 TraceCheckUtils]: 0: Hoare triple {273#true} ~x := #in~x; {291#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:02,697 INFO L280 TraceCheckUtils]: 1: Hoare triple {291#(= |id_#in~x| id_~x)} assume !(0 == ~x); {291#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:02,697 INFO L263 TraceCheckUtils]: 2: Hoare triple {291#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {273#true} is VALID [2020-07-08 22:07:02,698 INFO L280 TraceCheckUtils]: 3: Hoare triple {273#true} ~x := #in~x; {298#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:02,699 INFO L280 TraceCheckUtils]: 4: Hoare triple {298#(= id2_~x |id2_#in~x|)} assume 0 == ~x; {299#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:02,700 INFO L280 TraceCheckUtils]: 5: Hoare triple {299#(= 0 |id2_#in~x|)} #res := 0; {299#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:02,701 INFO L280 TraceCheckUtils]: 6: Hoare triple {299#(= 0 |id2_#in~x|)} assume true; {299#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:02,703 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {299#(= 0 |id2_#in~x|)} {291#(= |id_#in~x| id_~x)} #50#return; {297#(<= |id_#in~x| 1)} is VALID [2020-07-08 22:07:02,704 INFO L280 TraceCheckUtils]: 8: Hoare triple {297#(<= |id_#in~x| 1)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {297#(<= |id_#in~x| 1)} is VALID [2020-07-08 22:07:02,706 INFO L280 TraceCheckUtils]: 9: Hoare triple {297#(<= |id_#in~x| 1)} #res := 1 + #t~ret0; {297#(<= |id_#in~x| 1)} is VALID [2020-07-08 22:07:02,707 INFO L280 TraceCheckUtils]: 10: Hoare triple {297#(<= |id_#in~x| 1)} havoc #t~ret0; {297#(<= |id_#in~x| 1)} is VALID [2020-07-08 22:07:02,708 INFO L280 TraceCheckUtils]: 11: Hoare triple {297#(<= |id_#in~x| 1)} assume true; {297#(<= |id_#in~x| 1)} is VALID [2020-07-08 22:07:02,709 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {297#(<= |id_#in~x| 1)} {277#(<= 5 main_~input~0)} #48#return; {274#false} is VALID [2020-07-08 22:07:02,710 INFO L263 TraceCheckUtils]: 0: Hoare triple {273#true} call ULTIMATE.init(); {273#true} is VALID [2020-07-08 22:07:02,711 INFO L280 TraceCheckUtils]: 1: Hoare triple {273#true} assume true; {273#true} is VALID [2020-07-08 22:07:02,711 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {273#true} {273#true} #44#return; {273#true} is VALID [2020-07-08 22:07:02,711 INFO L263 TraceCheckUtils]: 3: Hoare triple {273#true} call #t~ret3 := main(); {273#true} is VALID [2020-07-08 22:07:02,712 INFO L280 TraceCheckUtils]: 4: Hoare triple {273#true} ~input~0 := 5; {277#(<= 5 main_~input~0)} is VALID [2020-07-08 22:07:02,713 INFO L263 TraceCheckUtils]: 5: Hoare triple {277#(<= 5 main_~input~0)} call #t~ret2 := id(~input~0); {273#true} is VALID [2020-07-08 22:07:02,713 INFO L280 TraceCheckUtils]: 6: Hoare triple {273#true} ~x := #in~x; {291#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:02,715 INFO L280 TraceCheckUtils]: 7: Hoare triple {291#(= |id_#in~x| id_~x)} assume !(0 == ~x); {291#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:02,715 INFO L263 TraceCheckUtils]: 8: Hoare triple {291#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {273#true} is VALID [2020-07-08 22:07:02,717 INFO L280 TraceCheckUtils]: 9: Hoare triple {273#true} ~x := #in~x; {298#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:02,718 INFO L280 TraceCheckUtils]: 10: Hoare triple {298#(= id2_~x |id2_#in~x|)} assume 0 == ~x; {299#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:02,719 INFO L280 TraceCheckUtils]: 11: Hoare triple {299#(= 0 |id2_#in~x|)} #res := 0; {299#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:02,720 INFO L280 TraceCheckUtils]: 12: Hoare triple {299#(= 0 |id2_#in~x|)} assume true; {299#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:02,721 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {299#(= 0 |id2_#in~x|)} {291#(= |id_#in~x| id_~x)} #50#return; {297#(<= |id_#in~x| 1)} is VALID [2020-07-08 22:07:02,722 INFO L280 TraceCheckUtils]: 14: Hoare triple {297#(<= |id_#in~x| 1)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {297#(<= |id_#in~x| 1)} is VALID [2020-07-08 22:07:02,723 INFO L280 TraceCheckUtils]: 15: Hoare triple {297#(<= |id_#in~x| 1)} #res := 1 + #t~ret0; {297#(<= |id_#in~x| 1)} is VALID [2020-07-08 22:07:02,723 INFO L280 TraceCheckUtils]: 16: Hoare triple {297#(<= |id_#in~x| 1)} havoc #t~ret0; {297#(<= |id_#in~x| 1)} is VALID [2020-07-08 22:07:02,724 INFO L280 TraceCheckUtils]: 17: Hoare triple {297#(<= |id_#in~x| 1)} assume true; {297#(<= |id_#in~x| 1)} is VALID [2020-07-08 22:07:02,725 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {297#(<= |id_#in~x| 1)} {277#(<= 5 main_~input~0)} #48#return; {274#false} is VALID [2020-07-08 22:07:02,726 INFO L280 TraceCheckUtils]: 19: Hoare triple {274#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {274#false} is VALID [2020-07-08 22:07:02,726 INFO L280 TraceCheckUtils]: 20: Hoare triple {274#false} ~result~0 := #t~ret2; {274#false} is VALID [2020-07-08 22:07:02,726 INFO L280 TraceCheckUtils]: 21: Hoare triple {274#false} havoc #t~ret2; {274#false} is VALID [2020-07-08 22:07:02,727 INFO L280 TraceCheckUtils]: 22: Hoare triple {274#false} assume 5 != ~result~0; {274#false} is VALID [2020-07-08 22:07:02,727 INFO L280 TraceCheckUtils]: 23: Hoare triple {274#false} assume !false; {274#false} is VALID [2020-07-08 22:07:02,728 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 22:07:02,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [34909204] [2020-07-08 22:07:02,729 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 22:07:02,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-08 22:07:02,730 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204359304] [2020-07-08 22:07:02,731 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2020-07-08 22:07:02,732 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:07:02,732 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-08 22:07:02,760 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:07:02,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-08 22:07:02,760 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:07:02,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-08 22:07:02,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-08 22:07:02,761 INFO L87 Difference]: Start difference. First operand 32 states and 34 transitions. Second operand 7 states. [2020-07-08 22:07:03,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:07:03,144 INFO L93 Difference]: Finished difference Result 45 states and 47 transitions. [2020-07-08 22:07:03,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-08 22:07:03,144 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2020-07-08 22:07:03,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:07:03,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 22:07:03,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 45 transitions. [2020-07-08 22:07:03,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 22:07:03,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 45 transitions. [2020-07-08 22:07:03,165 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 45 transitions. [2020-07-08 22:07:03,224 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:07:03,228 INFO L225 Difference]: With dead ends: 45 [2020-07-08 22:07:03,229 INFO L226 Difference]: Without dead ends: 39 [2020-07-08 22:07:03,233 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-07-08 22:07:03,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-07-08 22:07:03,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2020-07-08 22:07:03,300 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:07:03,301 INFO L82 GeneralOperation]: Start isEquivalent. First operand 39 states. Second operand 37 states. [2020-07-08 22:07:03,301 INFO L74 IsIncluded]: Start isIncluded. First operand 39 states. Second operand 37 states. [2020-07-08 22:07:03,301 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 37 states. [2020-07-08 22:07:03,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:07:03,308 INFO L93 Difference]: Finished difference Result 39 states and 41 transitions. [2020-07-08 22:07:03,308 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2020-07-08 22:07:03,310 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:07:03,312 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:07:03,312 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand 39 states. [2020-07-08 22:07:03,312 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 39 states. [2020-07-08 22:07:03,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:07:03,323 INFO L93 Difference]: Finished difference Result 39 states and 41 transitions. [2020-07-08 22:07:03,323 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2020-07-08 22:07:03,324 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:07:03,326 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:07:03,326 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:07:03,326 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:07:03,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-07-08 22:07:03,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2020-07-08 22:07:03,330 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 24 [2020-07-08 22:07:03,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:07:03,332 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2020-07-08 22:07:03,332 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-08 22:07:03,333 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 37 states and 39 transitions. [2020-07-08 22:07:03,398 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:07:03,399 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2020-07-08 22:07:03,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-08 22:07:03,400 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:07:03,401 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:07:03,401 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 22:07:03,402 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:07:03,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:07:03,403 INFO L82 PathProgramCache]: Analyzing trace with hash -238705980, now seen corresponding path program 1 times [2020-07-08 22:07:03,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:07:03,404 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [965677847] [2020-07-08 22:07:03,404 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:07:03,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:03,490 INFO L280 TraceCheckUtils]: 0: Hoare triple {548#true} assume true; {548#true} is VALID [2020-07-08 22:07:03,490 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {548#true} {548#true} #44#return; {548#true} is VALID [2020-07-08 22:07:03,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:03,650 INFO L280 TraceCheckUtils]: 0: Hoare triple {548#true} ~x := #in~x; {574#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:03,651 INFO L280 TraceCheckUtils]: 1: Hoare triple {574#(= |id_#in~x| id_~x)} assume 0 == ~x; {596#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:03,651 INFO L280 TraceCheckUtils]: 2: Hoare triple {596#(= 0 |id_#in~x|)} #res := 0; {596#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:03,652 INFO L280 TraceCheckUtils]: 3: Hoare triple {596#(= 0 |id_#in~x|)} assume true; {596#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:03,653 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {596#(= 0 |id_#in~x|)} {589#(= id2_~x |id2_#in~x|)} #42#return; {595#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:03,654 INFO L280 TraceCheckUtils]: 0: Hoare triple {548#true} ~x := #in~x; {589#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:03,655 INFO L280 TraceCheckUtils]: 1: Hoare triple {589#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {589#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:03,655 INFO L263 TraceCheckUtils]: 2: Hoare triple {589#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {548#true} is VALID [2020-07-08 22:07:03,656 INFO L280 TraceCheckUtils]: 3: Hoare triple {548#true} ~x := #in~x; {574#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:03,656 INFO L280 TraceCheckUtils]: 4: Hoare triple {574#(= |id_#in~x| id_~x)} assume 0 == ~x; {596#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:03,657 INFO L280 TraceCheckUtils]: 5: Hoare triple {596#(= 0 |id_#in~x|)} #res := 0; {596#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:03,658 INFO L280 TraceCheckUtils]: 6: Hoare triple {596#(= 0 |id_#in~x|)} assume true; {596#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:03,659 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {596#(= 0 |id_#in~x|)} {589#(= id2_~x |id2_#in~x|)} #42#return; {595#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:03,660 INFO L280 TraceCheckUtils]: 8: Hoare triple {595#(<= |id2_#in~x| 1)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {595#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:03,660 INFO L280 TraceCheckUtils]: 9: Hoare triple {595#(<= |id2_#in~x| 1)} #res := 1 + #t~ret1; {595#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:03,661 INFO L280 TraceCheckUtils]: 10: Hoare triple {595#(<= |id2_#in~x| 1)} havoc #t~ret1; {595#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:03,662 INFO L280 TraceCheckUtils]: 11: Hoare triple {595#(<= |id2_#in~x| 1)} assume true; {595#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:03,663 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {595#(<= |id2_#in~x| 1)} {574#(= |id_#in~x| id_~x)} #50#return; {588#(<= |id_#in~x| 2)} is VALID [2020-07-08 22:07:03,664 INFO L280 TraceCheckUtils]: 0: Hoare triple {548#true} ~x := #in~x; {574#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:03,665 INFO L280 TraceCheckUtils]: 1: Hoare triple {574#(= |id_#in~x| id_~x)} assume !(0 == ~x); {574#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:03,665 INFO L263 TraceCheckUtils]: 2: Hoare triple {574#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {548#true} is VALID [2020-07-08 22:07:03,666 INFO L280 TraceCheckUtils]: 3: Hoare triple {548#true} ~x := #in~x; {589#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:03,666 INFO L280 TraceCheckUtils]: 4: Hoare triple {589#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {589#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:03,667 INFO L263 TraceCheckUtils]: 5: Hoare triple {589#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {548#true} is VALID [2020-07-08 22:07:03,667 INFO L280 TraceCheckUtils]: 6: Hoare triple {548#true} ~x := #in~x; {574#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:03,668 INFO L280 TraceCheckUtils]: 7: Hoare triple {574#(= |id_#in~x| id_~x)} assume 0 == ~x; {596#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:03,669 INFO L280 TraceCheckUtils]: 8: Hoare triple {596#(= 0 |id_#in~x|)} #res := 0; {596#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:03,669 INFO L280 TraceCheckUtils]: 9: Hoare triple {596#(= 0 |id_#in~x|)} assume true; {596#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:03,671 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {596#(= 0 |id_#in~x|)} {589#(= id2_~x |id2_#in~x|)} #42#return; {595#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:03,671 INFO L280 TraceCheckUtils]: 11: Hoare triple {595#(<= |id2_#in~x| 1)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {595#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:03,672 INFO L280 TraceCheckUtils]: 12: Hoare triple {595#(<= |id2_#in~x| 1)} #res := 1 + #t~ret1; {595#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:03,673 INFO L280 TraceCheckUtils]: 13: Hoare triple {595#(<= |id2_#in~x| 1)} havoc #t~ret1; {595#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:03,673 INFO L280 TraceCheckUtils]: 14: Hoare triple {595#(<= |id2_#in~x| 1)} assume true; {595#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:03,675 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {595#(<= |id2_#in~x| 1)} {574#(= |id_#in~x| id_~x)} #50#return; {588#(<= |id_#in~x| 2)} is VALID [2020-07-08 22:07:03,675 INFO L280 TraceCheckUtils]: 16: Hoare triple {588#(<= |id_#in~x| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {588#(<= |id_#in~x| 2)} is VALID [2020-07-08 22:07:03,676 INFO L280 TraceCheckUtils]: 17: Hoare triple {588#(<= |id_#in~x| 2)} #res := 1 + #t~ret0; {588#(<= |id_#in~x| 2)} is VALID [2020-07-08 22:07:03,677 INFO L280 TraceCheckUtils]: 18: Hoare triple {588#(<= |id_#in~x| 2)} havoc #t~ret0; {588#(<= |id_#in~x| 2)} is VALID [2020-07-08 22:07:03,677 INFO L280 TraceCheckUtils]: 19: Hoare triple {588#(<= |id_#in~x| 2)} assume true; {588#(<= |id_#in~x| 2)} is VALID [2020-07-08 22:07:03,678 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {588#(<= |id_#in~x| 2)} {552#(<= 5 main_~input~0)} #48#return; {549#false} is VALID [2020-07-08 22:07:03,679 INFO L263 TraceCheckUtils]: 0: Hoare triple {548#true} call ULTIMATE.init(); {548#true} is VALID [2020-07-08 22:07:03,680 INFO L280 TraceCheckUtils]: 1: Hoare triple {548#true} assume true; {548#true} is VALID [2020-07-08 22:07:03,680 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {548#true} {548#true} #44#return; {548#true} is VALID [2020-07-08 22:07:03,680 INFO L263 TraceCheckUtils]: 3: Hoare triple {548#true} call #t~ret3 := main(); {548#true} is VALID [2020-07-08 22:07:03,681 INFO L280 TraceCheckUtils]: 4: Hoare triple {548#true} ~input~0 := 5; {552#(<= 5 main_~input~0)} is VALID [2020-07-08 22:07:03,681 INFO L263 TraceCheckUtils]: 5: Hoare triple {552#(<= 5 main_~input~0)} call #t~ret2 := id(~input~0); {548#true} is VALID [2020-07-08 22:07:03,682 INFO L280 TraceCheckUtils]: 6: Hoare triple {548#true} ~x := #in~x; {574#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:03,683 INFO L280 TraceCheckUtils]: 7: Hoare triple {574#(= |id_#in~x| id_~x)} assume !(0 == ~x); {574#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:03,683 INFO L263 TraceCheckUtils]: 8: Hoare triple {574#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {548#true} is VALID [2020-07-08 22:07:03,684 INFO L280 TraceCheckUtils]: 9: Hoare triple {548#true} ~x := #in~x; {589#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:03,684 INFO L280 TraceCheckUtils]: 10: Hoare triple {589#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {589#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:03,684 INFO L263 TraceCheckUtils]: 11: Hoare triple {589#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {548#true} is VALID [2020-07-08 22:07:03,685 INFO L280 TraceCheckUtils]: 12: Hoare triple {548#true} ~x := #in~x; {574#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:03,686 INFO L280 TraceCheckUtils]: 13: Hoare triple {574#(= |id_#in~x| id_~x)} assume 0 == ~x; {596#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:03,686 INFO L280 TraceCheckUtils]: 14: Hoare triple {596#(= 0 |id_#in~x|)} #res := 0; {596#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:03,687 INFO L280 TraceCheckUtils]: 15: Hoare triple {596#(= 0 |id_#in~x|)} assume true; {596#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:03,688 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {596#(= 0 |id_#in~x|)} {589#(= id2_~x |id2_#in~x|)} #42#return; {595#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:03,689 INFO L280 TraceCheckUtils]: 17: Hoare triple {595#(<= |id2_#in~x| 1)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {595#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:03,691 INFO L280 TraceCheckUtils]: 18: Hoare triple {595#(<= |id2_#in~x| 1)} #res := 1 + #t~ret1; {595#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:03,693 INFO L280 TraceCheckUtils]: 19: Hoare triple {595#(<= |id2_#in~x| 1)} havoc #t~ret1; {595#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:03,695 INFO L280 TraceCheckUtils]: 20: Hoare triple {595#(<= |id2_#in~x| 1)} assume true; {595#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:03,697 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {595#(<= |id2_#in~x| 1)} {574#(= |id_#in~x| id_~x)} #50#return; {588#(<= |id_#in~x| 2)} is VALID [2020-07-08 22:07:03,698 INFO L280 TraceCheckUtils]: 22: Hoare triple {588#(<= |id_#in~x| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {588#(<= |id_#in~x| 2)} is VALID [2020-07-08 22:07:03,698 INFO L280 TraceCheckUtils]: 23: Hoare triple {588#(<= |id_#in~x| 2)} #res := 1 + #t~ret0; {588#(<= |id_#in~x| 2)} is VALID [2020-07-08 22:07:03,699 INFO L280 TraceCheckUtils]: 24: Hoare triple {588#(<= |id_#in~x| 2)} havoc #t~ret0; {588#(<= |id_#in~x| 2)} is VALID [2020-07-08 22:07:03,700 INFO L280 TraceCheckUtils]: 25: Hoare triple {588#(<= |id_#in~x| 2)} assume true; {588#(<= |id_#in~x| 2)} is VALID [2020-07-08 22:07:03,701 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {588#(<= |id_#in~x| 2)} {552#(<= 5 main_~input~0)} #48#return; {549#false} is VALID [2020-07-08 22:07:03,701 INFO L280 TraceCheckUtils]: 27: Hoare triple {549#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {549#false} is VALID [2020-07-08 22:07:03,701 INFO L280 TraceCheckUtils]: 28: Hoare triple {549#false} ~result~0 := #t~ret2; {549#false} is VALID [2020-07-08 22:07:03,701 INFO L280 TraceCheckUtils]: 29: Hoare triple {549#false} havoc #t~ret2; {549#false} is VALID [2020-07-08 22:07:03,702 INFO L280 TraceCheckUtils]: 30: Hoare triple {549#false} assume 5 != ~result~0; {549#false} is VALID [2020-07-08 22:07:03,702 INFO L280 TraceCheckUtils]: 31: Hoare triple {549#false} assume !false; {549#false} is VALID [2020-07-08 22:07:03,704 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-08 22:07:03,704 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [965677847] [2020-07-08 22:07:03,705 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 22:07:03,705 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-07-08 22:07:03,705 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293526919] [2020-07-08 22:07:03,706 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2020-07-08 22:07:03,706 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:07:03,706 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-08 22:07:03,742 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:07:03,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-08 22:07:03,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:07:03,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-08 22:07:03,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-08 22:07:03,744 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand 8 states. [2020-07-08 22:07:04,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:07:04,137 INFO L93 Difference]: Finished difference Result 55 states and 57 transitions. [2020-07-08 22:07:04,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-08 22:07:04,138 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2020-07-08 22:07:04,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:07:04,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-08 22:07:04,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 50 transitions. [2020-07-08 22:07:04,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-08 22:07:04,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 50 transitions. [2020-07-08 22:07:04,145 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 50 transitions. [2020-07-08 22:07:04,205 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 22:07:04,208 INFO L225 Difference]: With dead ends: 55 [2020-07-08 22:07:04,208 INFO L226 Difference]: Without dead ends: 49 [2020-07-08 22:07:04,209 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-07-08 22:07:04,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-07-08 22:07:04,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 42. [2020-07-08 22:07:04,262 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:07:04,263 INFO L82 GeneralOperation]: Start isEquivalent. First operand 49 states. Second operand 42 states. [2020-07-08 22:07:04,263 INFO L74 IsIncluded]: Start isIncluded. First operand 49 states. Second operand 42 states. [2020-07-08 22:07:04,263 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 42 states. [2020-07-08 22:07:04,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:07:04,267 INFO L93 Difference]: Finished difference Result 49 states and 51 transitions. [2020-07-08 22:07:04,267 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 51 transitions. [2020-07-08 22:07:04,268 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:07:04,268 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:07:04,268 INFO L74 IsIncluded]: Start isIncluded. First operand 42 states. Second operand 49 states. [2020-07-08 22:07:04,268 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 49 states. [2020-07-08 22:07:04,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:07:04,272 INFO L93 Difference]: Finished difference Result 49 states and 51 transitions. [2020-07-08 22:07:04,273 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 51 transitions. [2020-07-08 22:07:04,273 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:07:04,273 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:07:04,274 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:07:04,274 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:07:04,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-07-08 22:07:04,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2020-07-08 22:07:04,277 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 32 [2020-07-08 22:07:04,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:07:04,277 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2020-07-08 22:07:04,277 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-08 22:07:04,278 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 42 states and 44 transitions. [2020-07-08 22:07:04,337 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 22:07:04,337 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2020-07-08 22:07:04,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-08 22:07:04,339 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:07:04,339 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:07:04,339 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-08 22:07:04,340 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:07:04,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:07:04,340 INFO L82 PathProgramCache]: Analyzing trace with hash -2006293766, now seen corresponding path program 1 times [2020-07-08 22:07:04,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:07:04,341 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [746128229] [2020-07-08 22:07:04,341 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:07:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:04,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:04,398 INFO L280 TraceCheckUtils]: 0: Hoare triple {897#true} assume true; {897#true} is VALID [2020-07-08 22:07:04,398 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {897#true} {897#true} #44#return; {897#true} is VALID [2020-07-08 22:07:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:04,596 INFO L280 TraceCheckUtils]: 0: Hoare triple {897#true} ~x := #in~x; {954#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:04,597 INFO L280 TraceCheckUtils]: 1: Hoare triple {954#(= id2_~x |id2_#in~x|)} assume 0 == ~x; {975#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:04,597 INFO L280 TraceCheckUtils]: 2: Hoare triple {975#(= 0 |id2_#in~x|)} #res := 0; {975#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:04,598 INFO L280 TraceCheckUtils]: 3: Hoare triple {975#(= 0 |id2_#in~x|)} assume true; {975#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:04,599 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {975#(= 0 |id2_#in~x|)} {931#(= |id_#in~x| id_~x)} #50#return; {974#(<= |id_#in~x| 1)} is VALID [2020-07-08 22:07:04,599 INFO L280 TraceCheckUtils]: 0: Hoare triple {897#true} ~x := #in~x; {931#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:04,600 INFO L280 TraceCheckUtils]: 1: Hoare triple {931#(= |id_#in~x| id_~x)} assume !(0 == ~x); {931#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:04,600 INFO L263 TraceCheckUtils]: 2: Hoare triple {931#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {897#true} is VALID [2020-07-08 22:07:04,601 INFO L280 TraceCheckUtils]: 3: Hoare triple {897#true} ~x := #in~x; {954#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:04,602 INFO L280 TraceCheckUtils]: 4: Hoare triple {954#(= id2_~x |id2_#in~x|)} assume 0 == ~x; {975#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:04,602 INFO L280 TraceCheckUtils]: 5: Hoare triple {975#(= 0 |id2_#in~x|)} #res := 0; {975#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:04,603 INFO L280 TraceCheckUtils]: 6: Hoare triple {975#(= 0 |id2_#in~x|)} assume true; {975#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:04,604 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {975#(= 0 |id2_#in~x|)} {931#(= |id_#in~x| id_~x)} #50#return; {974#(<= |id_#in~x| 1)} is VALID [2020-07-08 22:07:04,604 INFO L280 TraceCheckUtils]: 8: Hoare triple {974#(<= |id_#in~x| 1)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {974#(<= |id_#in~x| 1)} is VALID [2020-07-08 22:07:04,605 INFO L280 TraceCheckUtils]: 9: Hoare triple {974#(<= |id_#in~x| 1)} #res := 1 + #t~ret0; {974#(<= |id_#in~x| 1)} is VALID [2020-07-08 22:07:04,606 INFO L280 TraceCheckUtils]: 10: Hoare triple {974#(<= |id_#in~x| 1)} havoc #t~ret0; {974#(<= |id_#in~x| 1)} is VALID [2020-07-08 22:07:04,606 INFO L280 TraceCheckUtils]: 11: Hoare triple {974#(<= |id_#in~x| 1)} assume true; {974#(<= |id_#in~x| 1)} is VALID [2020-07-08 22:07:04,609 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {974#(<= |id_#in~x| 1)} {954#(= id2_~x |id2_#in~x|)} #42#return; {968#(<= |id2_#in~x| 2)} is VALID [2020-07-08 22:07:04,610 INFO L280 TraceCheckUtils]: 0: Hoare triple {897#true} ~x := #in~x; {954#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:04,611 INFO L280 TraceCheckUtils]: 1: Hoare triple {954#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {954#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:04,612 INFO L263 TraceCheckUtils]: 2: Hoare triple {954#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {897#true} is VALID [2020-07-08 22:07:04,614 INFO L280 TraceCheckUtils]: 3: Hoare triple {897#true} ~x := #in~x; {931#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:04,615 INFO L280 TraceCheckUtils]: 4: Hoare triple {931#(= |id_#in~x| id_~x)} assume !(0 == ~x); {931#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:04,616 INFO L263 TraceCheckUtils]: 5: Hoare triple {931#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {897#true} is VALID [2020-07-08 22:07:04,618 INFO L280 TraceCheckUtils]: 6: Hoare triple {897#true} ~x := #in~x; {954#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:04,618 INFO L280 TraceCheckUtils]: 7: Hoare triple {954#(= id2_~x |id2_#in~x|)} assume 0 == ~x; {975#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:04,619 INFO L280 TraceCheckUtils]: 8: Hoare triple {975#(= 0 |id2_#in~x|)} #res := 0; {975#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:04,619 INFO L280 TraceCheckUtils]: 9: Hoare triple {975#(= 0 |id2_#in~x|)} assume true; {975#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:04,621 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {975#(= 0 |id2_#in~x|)} {931#(= |id_#in~x| id_~x)} #50#return; {974#(<= |id_#in~x| 1)} is VALID [2020-07-08 22:07:04,621 INFO L280 TraceCheckUtils]: 11: Hoare triple {974#(<= |id_#in~x| 1)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {974#(<= |id_#in~x| 1)} is VALID [2020-07-08 22:07:04,622 INFO L280 TraceCheckUtils]: 12: Hoare triple {974#(<= |id_#in~x| 1)} #res := 1 + #t~ret0; {974#(<= |id_#in~x| 1)} is VALID [2020-07-08 22:07:04,622 INFO L280 TraceCheckUtils]: 13: Hoare triple {974#(<= |id_#in~x| 1)} havoc #t~ret0; {974#(<= |id_#in~x| 1)} is VALID [2020-07-08 22:07:04,623 INFO L280 TraceCheckUtils]: 14: Hoare triple {974#(<= |id_#in~x| 1)} assume true; {974#(<= |id_#in~x| 1)} is VALID [2020-07-08 22:07:04,624 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {974#(<= |id_#in~x| 1)} {954#(= id2_~x |id2_#in~x|)} #42#return; {968#(<= |id2_#in~x| 2)} is VALID [2020-07-08 22:07:04,625 INFO L280 TraceCheckUtils]: 16: Hoare triple {968#(<= |id2_#in~x| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {968#(<= |id2_#in~x| 2)} is VALID [2020-07-08 22:07:04,626 INFO L280 TraceCheckUtils]: 17: Hoare triple {968#(<= |id2_#in~x| 2)} #res := 1 + #t~ret1; {968#(<= |id2_#in~x| 2)} is VALID [2020-07-08 22:07:04,626 INFO L280 TraceCheckUtils]: 18: Hoare triple {968#(<= |id2_#in~x| 2)} havoc #t~ret1; {968#(<= |id2_#in~x| 2)} is VALID [2020-07-08 22:07:04,627 INFO L280 TraceCheckUtils]: 19: Hoare triple {968#(<= |id2_#in~x| 2)} assume true; {968#(<= |id2_#in~x| 2)} is VALID [2020-07-08 22:07:04,628 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {968#(<= |id2_#in~x| 2)} {931#(= |id_#in~x| id_~x)} #50#return; {953#(<= |id_#in~x| 3)} is VALID [2020-07-08 22:07:04,630 INFO L280 TraceCheckUtils]: 0: Hoare triple {897#true} ~x := #in~x; {931#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:04,630 INFO L280 TraceCheckUtils]: 1: Hoare triple {931#(= |id_#in~x| id_~x)} assume !(0 == ~x); {931#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:04,631 INFO L263 TraceCheckUtils]: 2: Hoare triple {931#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {897#true} is VALID [2020-07-08 22:07:04,631 INFO L280 TraceCheckUtils]: 3: Hoare triple {897#true} ~x := #in~x; {954#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:04,632 INFO L280 TraceCheckUtils]: 4: Hoare triple {954#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {954#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:04,632 INFO L263 TraceCheckUtils]: 5: Hoare triple {954#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {897#true} is VALID [2020-07-08 22:07:04,633 INFO L280 TraceCheckUtils]: 6: Hoare triple {897#true} ~x := #in~x; {931#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:04,634 INFO L280 TraceCheckUtils]: 7: Hoare triple {931#(= |id_#in~x| id_~x)} assume !(0 == ~x); {931#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:04,634 INFO L263 TraceCheckUtils]: 8: Hoare triple {931#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {897#true} is VALID [2020-07-08 22:07:04,634 INFO L280 TraceCheckUtils]: 9: Hoare triple {897#true} ~x := #in~x; {954#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:04,635 INFO L280 TraceCheckUtils]: 10: Hoare triple {954#(= id2_~x |id2_#in~x|)} assume 0 == ~x; {975#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:04,636 INFO L280 TraceCheckUtils]: 11: Hoare triple {975#(= 0 |id2_#in~x|)} #res := 0; {975#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:04,636 INFO L280 TraceCheckUtils]: 12: Hoare triple {975#(= 0 |id2_#in~x|)} assume true; {975#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:04,638 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {975#(= 0 |id2_#in~x|)} {931#(= |id_#in~x| id_~x)} #50#return; {974#(<= |id_#in~x| 1)} is VALID [2020-07-08 22:07:04,638 INFO L280 TraceCheckUtils]: 14: Hoare triple {974#(<= |id_#in~x| 1)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {974#(<= |id_#in~x| 1)} is VALID [2020-07-08 22:07:04,639 INFO L280 TraceCheckUtils]: 15: Hoare triple {974#(<= |id_#in~x| 1)} #res := 1 + #t~ret0; {974#(<= |id_#in~x| 1)} is VALID [2020-07-08 22:07:04,640 INFO L280 TraceCheckUtils]: 16: Hoare triple {974#(<= |id_#in~x| 1)} havoc #t~ret0; {974#(<= |id_#in~x| 1)} is VALID [2020-07-08 22:07:04,640 INFO L280 TraceCheckUtils]: 17: Hoare triple {974#(<= |id_#in~x| 1)} assume true; {974#(<= |id_#in~x| 1)} is VALID [2020-07-08 22:07:04,642 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {974#(<= |id_#in~x| 1)} {954#(= id2_~x |id2_#in~x|)} #42#return; {968#(<= |id2_#in~x| 2)} is VALID [2020-07-08 22:07:04,643 INFO L280 TraceCheckUtils]: 19: Hoare triple {968#(<= |id2_#in~x| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {968#(<= |id2_#in~x| 2)} is VALID [2020-07-08 22:07:04,643 INFO L280 TraceCheckUtils]: 20: Hoare triple {968#(<= |id2_#in~x| 2)} #res := 1 + #t~ret1; {968#(<= |id2_#in~x| 2)} is VALID [2020-07-08 22:07:04,644 INFO L280 TraceCheckUtils]: 21: Hoare triple {968#(<= |id2_#in~x| 2)} havoc #t~ret1; {968#(<= |id2_#in~x| 2)} is VALID [2020-07-08 22:07:04,644 INFO L280 TraceCheckUtils]: 22: Hoare triple {968#(<= |id2_#in~x| 2)} assume true; {968#(<= |id2_#in~x| 2)} is VALID [2020-07-08 22:07:04,646 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {968#(<= |id2_#in~x| 2)} {931#(= |id_#in~x| id_~x)} #50#return; {953#(<= |id_#in~x| 3)} is VALID [2020-07-08 22:07:04,646 INFO L280 TraceCheckUtils]: 24: Hoare triple {953#(<= |id_#in~x| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {953#(<= |id_#in~x| 3)} is VALID [2020-07-08 22:07:04,647 INFO L280 TraceCheckUtils]: 25: Hoare triple {953#(<= |id_#in~x| 3)} #res := 1 + #t~ret0; {953#(<= |id_#in~x| 3)} is VALID [2020-07-08 22:07:04,648 INFO L280 TraceCheckUtils]: 26: Hoare triple {953#(<= |id_#in~x| 3)} havoc #t~ret0; {953#(<= |id_#in~x| 3)} is VALID [2020-07-08 22:07:04,648 INFO L280 TraceCheckUtils]: 27: Hoare triple {953#(<= |id_#in~x| 3)} assume true; {953#(<= |id_#in~x| 3)} is VALID [2020-07-08 22:07:04,649 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {953#(<= |id_#in~x| 3)} {901#(<= 5 main_~input~0)} #48#return; {898#false} is VALID [2020-07-08 22:07:04,651 INFO L263 TraceCheckUtils]: 0: Hoare triple {897#true} call ULTIMATE.init(); {897#true} is VALID [2020-07-08 22:07:04,651 INFO L280 TraceCheckUtils]: 1: Hoare triple {897#true} assume true; {897#true} is VALID [2020-07-08 22:07:04,652 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {897#true} {897#true} #44#return; {897#true} is VALID [2020-07-08 22:07:04,652 INFO L263 TraceCheckUtils]: 3: Hoare triple {897#true} call #t~ret3 := main(); {897#true} is VALID [2020-07-08 22:07:04,653 INFO L280 TraceCheckUtils]: 4: Hoare triple {897#true} ~input~0 := 5; {901#(<= 5 main_~input~0)} is VALID [2020-07-08 22:07:04,653 INFO L263 TraceCheckUtils]: 5: Hoare triple {901#(<= 5 main_~input~0)} call #t~ret2 := id(~input~0); {897#true} is VALID [2020-07-08 22:07:04,653 INFO L280 TraceCheckUtils]: 6: Hoare triple {897#true} ~x := #in~x; {931#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:04,654 INFO L280 TraceCheckUtils]: 7: Hoare triple {931#(= |id_#in~x| id_~x)} assume !(0 == ~x); {931#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:04,654 INFO L263 TraceCheckUtils]: 8: Hoare triple {931#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {897#true} is VALID [2020-07-08 22:07:04,655 INFO L280 TraceCheckUtils]: 9: Hoare triple {897#true} ~x := #in~x; {954#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:04,656 INFO L280 TraceCheckUtils]: 10: Hoare triple {954#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {954#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:04,656 INFO L263 TraceCheckUtils]: 11: Hoare triple {954#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {897#true} is VALID [2020-07-08 22:07:04,656 INFO L280 TraceCheckUtils]: 12: Hoare triple {897#true} ~x := #in~x; {931#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:04,657 INFO L280 TraceCheckUtils]: 13: Hoare triple {931#(= |id_#in~x| id_~x)} assume !(0 == ~x); {931#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:04,657 INFO L263 TraceCheckUtils]: 14: Hoare triple {931#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {897#true} is VALID [2020-07-08 22:07:04,658 INFO L280 TraceCheckUtils]: 15: Hoare triple {897#true} ~x := #in~x; {954#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:04,658 INFO L280 TraceCheckUtils]: 16: Hoare triple {954#(= id2_~x |id2_#in~x|)} assume 0 == ~x; {975#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:04,659 INFO L280 TraceCheckUtils]: 17: Hoare triple {975#(= 0 |id2_#in~x|)} #res := 0; {975#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:04,660 INFO L280 TraceCheckUtils]: 18: Hoare triple {975#(= 0 |id2_#in~x|)} assume true; {975#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:04,661 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {975#(= 0 |id2_#in~x|)} {931#(= |id_#in~x| id_~x)} #50#return; {974#(<= |id_#in~x| 1)} is VALID [2020-07-08 22:07:04,662 INFO L280 TraceCheckUtils]: 20: Hoare triple {974#(<= |id_#in~x| 1)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {974#(<= |id_#in~x| 1)} is VALID [2020-07-08 22:07:04,662 INFO L280 TraceCheckUtils]: 21: Hoare triple {974#(<= |id_#in~x| 1)} #res := 1 + #t~ret0; {974#(<= |id_#in~x| 1)} is VALID [2020-07-08 22:07:04,663 INFO L280 TraceCheckUtils]: 22: Hoare triple {974#(<= |id_#in~x| 1)} havoc #t~ret0; {974#(<= |id_#in~x| 1)} is VALID [2020-07-08 22:07:04,665 INFO L280 TraceCheckUtils]: 23: Hoare triple {974#(<= |id_#in~x| 1)} assume true; {974#(<= |id_#in~x| 1)} is VALID [2020-07-08 22:07:04,667 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {974#(<= |id_#in~x| 1)} {954#(= id2_~x |id2_#in~x|)} #42#return; {968#(<= |id2_#in~x| 2)} is VALID [2020-07-08 22:07:04,668 INFO L280 TraceCheckUtils]: 25: Hoare triple {968#(<= |id2_#in~x| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {968#(<= |id2_#in~x| 2)} is VALID [2020-07-08 22:07:04,668 INFO L280 TraceCheckUtils]: 26: Hoare triple {968#(<= |id2_#in~x| 2)} #res := 1 + #t~ret1; {968#(<= |id2_#in~x| 2)} is VALID [2020-07-08 22:07:04,669 INFO L280 TraceCheckUtils]: 27: Hoare triple {968#(<= |id2_#in~x| 2)} havoc #t~ret1; {968#(<= |id2_#in~x| 2)} is VALID [2020-07-08 22:07:04,669 INFO L280 TraceCheckUtils]: 28: Hoare triple {968#(<= |id2_#in~x| 2)} assume true; {968#(<= |id2_#in~x| 2)} is VALID [2020-07-08 22:07:04,671 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {968#(<= |id2_#in~x| 2)} {931#(= |id_#in~x| id_~x)} #50#return; {953#(<= |id_#in~x| 3)} is VALID [2020-07-08 22:07:04,671 INFO L280 TraceCheckUtils]: 30: Hoare triple {953#(<= |id_#in~x| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {953#(<= |id_#in~x| 3)} is VALID [2020-07-08 22:07:04,672 INFO L280 TraceCheckUtils]: 31: Hoare triple {953#(<= |id_#in~x| 3)} #res := 1 + #t~ret0; {953#(<= |id_#in~x| 3)} is VALID [2020-07-08 22:07:04,672 INFO L280 TraceCheckUtils]: 32: Hoare triple {953#(<= |id_#in~x| 3)} havoc #t~ret0; {953#(<= |id_#in~x| 3)} is VALID [2020-07-08 22:07:04,673 INFO L280 TraceCheckUtils]: 33: Hoare triple {953#(<= |id_#in~x| 3)} assume true; {953#(<= |id_#in~x| 3)} is VALID [2020-07-08 22:07:04,674 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {953#(<= |id_#in~x| 3)} {901#(<= 5 main_~input~0)} #48#return; {898#false} is VALID [2020-07-08 22:07:04,674 INFO L280 TraceCheckUtils]: 35: Hoare triple {898#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {898#false} is VALID [2020-07-08 22:07:04,674 INFO L280 TraceCheckUtils]: 36: Hoare triple {898#false} ~result~0 := #t~ret2; {898#false} is VALID [2020-07-08 22:07:04,674 INFO L280 TraceCheckUtils]: 37: Hoare triple {898#false} havoc #t~ret2; {898#false} is VALID [2020-07-08 22:07:04,675 INFO L280 TraceCheckUtils]: 38: Hoare triple {898#false} assume 5 != ~result~0; {898#false} is VALID [2020-07-08 22:07:04,675 INFO L280 TraceCheckUtils]: 39: Hoare triple {898#false} assume !false; {898#false} is VALID [2020-07-08 22:07:04,677 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-08 22:07:04,677 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [746128229] [2020-07-08 22:07:04,677 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 22:07:04,678 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-07-08 22:07:04,678 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867236988] [2020-07-08 22:07:04,678 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 40 [2020-07-08 22:07:04,679 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:07:04,679 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-08 22:07:04,735 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:07:04,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-08 22:07:04,736 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:07:04,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-08 22:07:04,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-08 22:07:04,736 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand 9 states. [2020-07-08 22:07:05,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:07:05,129 INFO L93 Difference]: Finished difference Result 65 states and 67 transitions. [2020-07-08 22:07:05,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-08 22:07:05,130 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 40 [2020-07-08 22:07:05,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:07:05,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-08 22:07:05,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 55 transitions. [2020-07-08 22:07:05,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-08 22:07:05,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 55 transitions. [2020-07-08 22:07:05,149 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 55 transitions. [2020-07-08 22:07:05,228 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:07:05,230 INFO L225 Difference]: With dead ends: 65 [2020-07-08 22:07:05,231 INFO L226 Difference]: Without dead ends: 59 [2020-07-08 22:07:05,232 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-07-08 22:07:05,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-07-08 22:07:05,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 47. [2020-07-08 22:07:05,316 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:07:05,326 INFO L82 GeneralOperation]: Start isEquivalent. First operand 59 states. Second operand 47 states. [2020-07-08 22:07:05,326 INFO L74 IsIncluded]: Start isIncluded. First operand 59 states. Second operand 47 states. [2020-07-08 22:07:05,326 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 47 states. [2020-07-08 22:07:05,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:07:05,330 INFO L93 Difference]: Finished difference Result 59 states and 61 transitions. [2020-07-08 22:07:05,330 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2020-07-08 22:07:05,331 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:07:05,334 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:07:05,335 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand 59 states. [2020-07-08 22:07:05,335 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 59 states. [2020-07-08 22:07:05,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:07:05,338 INFO L93 Difference]: Finished difference Result 59 states and 61 transitions. [2020-07-08 22:07:05,339 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2020-07-08 22:07:05,339 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:07:05,339 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:07:05,340 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:07:05,340 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:07:05,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-07-08 22:07:05,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 49 transitions. [2020-07-08 22:07:05,343 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 49 transitions. Word has length 40 [2020-07-08 22:07:05,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:07:05,343 INFO L479 AbstractCegarLoop]: Abstraction has 47 states and 49 transitions. [2020-07-08 22:07:05,343 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-08 22:07:05,343 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 47 states and 49 transitions. [2020-07-08 22:07:05,421 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:07:05,422 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2020-07-08 22:07:05,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-07-08 22:07:05,424 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:07:05,424 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 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 22:07:05,425 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-08 22:07:05,425 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:07:05,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:07:05,426 INFO L82 PathProgramCache]: Analyzing trace with hash 940355172, now seen corresponding path program 2 times [2020-07-08 22:07:05,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:07:05,426 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1376026766] [2020-07-08 22:07:05,426 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:07:05,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:05,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:05,471 INFO L280 TraceCheckUtils]: 0: Hoare triple {1328#true} assume true; {1328#true} is VALID [2020-07-08 22:07:05,472 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1328#true} {1328#true} #44#return; {1328#true} is VALID [2020-07-08 22:07:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:05,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:05,630 INFO L280 TraceCheckUtils]: 0: Hoare triple {1328#true} ~x := #in~x; {1370#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:05,631 INFO L280 TraceCheckUtils]: 1: Hoare triple {1370#(= |id_#in~x| id_~x)} assume 0 == ~x; {1444#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:05,633 INFO L280 TraceCheckUtils]: 2: Hoare triple {1444#(= 0 |id_#in~x|)} #res := 0; {1444#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:05,635 INFO L280 TraceCheckUtils]: 3: Hoare triple {1444#(= 0 |id_#in~x|)} assume true; {1444#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:05,640 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1444#(= 0 |id_#in~x|)} {1401#(= id2_~x |id2_#in~x|)} #42#return; {1443#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:05,643 INFO L280 TraceCheckUtils]: 0: Hoare triple {1328#true} ~x := #in~x; {1401#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:05,648 INFO L280 TraceCheckUtils]: 1: Hoare triple {1401#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {1401#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:05,649 INFO L263 TraceCheckUtils]: 2: Hoare triple {1401#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {1328#true} is VALID [2020-07-08 22:07:05,650 INFO L280 TraceCheckUtils]: 3: Hoare triple {1328#true} ~x := #in~x; {1370#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:05,653 INFO L280 TraceCheckUtils]: 4: Hoare triple {1370#(= |id_#in~x| id_~x)} assume 0 == ~x; {1444#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:05,655 INFO L280 TraceCheckUtils]: 5: Hoare triple {1444#(= 0 |id_#in~x|)} #res := 0; {1444#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:05,659 INFO L280 TraceCheckUtils]: 6: Hoare triple {1444#(= 0 |id_#in~x|)} assume true; {1444#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:05,665 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {1444#(= 0 |id_#in~x|)} {1401#(= id2_~x |id2_#in~x|)} #42#return; {1443#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:05,666 INFO L280 TraceCheckUtils]: 8: Hoare triple {1443#(<= |id2_#in~x| 1)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1443#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:05,666 INFO L280 TraceCheckUtils]: 9: Hoare triple {1443#(<= |id2_#in~x| 1)} #res := 1 + #t~ret1; {1443#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:05,667 INFO L280 TraceCheckUtils]: 10: Hoare triple {1443#(<= |id2_#in~x| 1)} havoc #t~ret1; {1443#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:05,668 INFO L280 TraceCheckUtils]: 11: Hoare triple {1443#(<= |id2_#in~x| 1)} assume true; {1443#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:05,669 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {1443#(<= |id2_#in~x| 1)} {1370#(= |id_#in~x| id_~x)} #50#return; {1437#(<= |id_#in~x| 2)} is VALID [2020-07-08 22:07:05,671 INFO L280 TraceCheckUtils]: 0: Hoare triple {1328#true} ~x := #in~x; {1370#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:05,672 INFO L280 TraceCheckUtils]: 1: Hoare triple {1370#(= |id_#in~x| id_~x)} assume !(0 == ~x); {1370#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:05,672 INFO L263 TraceCheckUtils]: 2: Hoare triple {1370#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {1328#true} is VALID [2020-07-08 22:07:05,673 INFO L280 TraceCheckUtils]: 3: Hoare triple {1328#true} ~x := #in~x; {1401#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:05,674 INFO L280 TraceCheckUtils]: 4: Hoare triple {1401#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {1401#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:05,674 INFO L263 TraceCheckUtils]: 5: Hoare triple {1401#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {1328#true} is VALID [2020-07-08 22:07:05,675 INFO L280 TraceCheckUtils]: 6: Hoare triple {1328#true} ~x := #in~x; {1370#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:05,676 INFO L280 TraceCheckUtils]: 7: Hoare triple {1370#(= |id_#in~x| id_~x)} assume 0 == ~x; {1444#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:05,676 INFO L280 TraceCheckUtils]: 8: Hoare triple {1444#(= 0 |id_#in~x|)} #res := 0; {1444#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:05,677 INFO L280 TraceCheckUtils]: 9: Hoare triple {1444#(= 0 |id_#in~x|)} assume true; {1444#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:05,680 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {1444#(= 0 |id_#in~x|)} {1401#(= id2_~x |id2_#in~x|)} #42#return; {1443#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:05,681 INFO L280 TraceCheckUtils]: 11: Hoare triple {1443#(<= |id2_#in~x| 1)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1443#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:05,682 INFO L280 TraceCheckUtils]: 12: Hoare triple {1443#(<= |id2_#in~x| 1)} #res := 1 + #t~ret1; {1443#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:05,683 INFO L280 TraceCheckUtils]: 13: Hoare triple {1443#(<= |id2_#in~x| 1)} havoc #t~ret1; {1443#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:05,685 INFO L280 TraceCheckUtils]: 14: Hoare triple {1443#(<= |id2_#in~x| 1)} assume true; {1443#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:05,686 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {1443#(<= |id2_#in~x| 1)} {1370#(= |id_#in~x| id_~x)} #50#return; {1437#(<= |id_#in~x| 2)} is VALID [2020-07-08 22:07:05,687 INFO L280 TraceCheckUtils]: 16: Hoare triple {1437#(<= |id_#in~x| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1437#(<= |id_#in~x| 2)} is VALID [2020-07-08 22:07:05,688 INFO L280 TraceCheckUtils]: 17: Hoare triple {1437#(<= |id_#in~x| 2)} #res := 1 + #t~ret0; {1437#(<= |id_#in~x| 2)} is VALID [2020-07-08 22:07:05,689 INFO L280 TraceCheckUtils]: 18: Hoare triple {1437#(<= |id_#in~x| 2)} havoc #t~ret0; {1437#(<= |id_#in~x| 2)} is VALID [2020-07-08 22:07:05,690 INFO L280 TraceCheckUtils]: 19: Hoare triple {1437#(<= |id_#in~x| 2)} assume true; {1437#(<= |id_#in~x| 2)} is VALID [2020-07-08 22:07:05,691 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1437#(<= |id_#in~x| 2)} {1401#(= id2_~x |id2_#in~x|)} #42#return; {1423#(<= |id2_#in~x| 3)} is VALID [2020-07-08 22:07:05,693 INFO L280 TraceCheckUtils]: 0: Hoare triple {1328#true} ~x := #in~x; {1401#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:05,694 INFO L280 TraceCheckUtils]: 1: Hoare triple {1401#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {1401#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:05,694 INFO L263 TraceCheckUtils]: 2: Hoare triple {1401#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {1328#true} is VALID [2020-07-08 22:07:05,695 INFO L280 TraceCheckUtils]: 3: Hoare triple {1328#true} ~x := #in~x; {1370#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:05,695 INFO L280 TraceCheckUtils]: 4: Hoare triple {1370#(= |id_#in~x| id_~x)} assume !(0 == ~x); {1370#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:05,696 INFO L263 TraceCheckUtils]: 5: Hoare triple {1370#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {1328#true} is VALID [2020-07-08 22:07:05,696 INFO L280 TraceCheckUtils]: 6: Hoare triple {1328#true} ~x := #in~x; {1401#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:05,697 INFO L280 TraceCheckUtils]: 7: Hoare triple {1401#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {1401#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:05,697 INFO L263 TraceCheckUtils]: 8: Hoare triple {1401#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {1328#true} is VALID [2020-07-08 22:07:05,698 INFO L280 TraceCheckUtils]: 9: Hoare triple {1328#true} ~x := #in~x; {1370#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:05,699 INFO L280 TraceCheckUtils]: 10: Hoare triple {1370#(= |id_#in~x| id_~x)} assume 0 == ~x; {1444#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:05,699 INFO L280 TraceCheckUtils]: 11: Hoare triple {1444#(= 0 |id_#in~x|)} #res := 0; {1444#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:05,700 INFO L280 TraceCheckUtils]: 12: Hoare triple {1444#(= 0 |id_#in~x|)} assume true; {1444#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:05,701 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {1444#(= 0 |id_#in~x|)} {1401#(= id2_~x |id2_#in~x|)} #42#return; {1443#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:05,702 INFO L280 TraceCheckUtils]: 14: Hoare triple {1443#(<= |id2_#in~x| 1)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1443#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:05,704 INFO L280 TraceCheckUtils]: 15: Hoare triple {1443#(<= |id2_#in~x| 1)} #res := 1 + #t~ret1; {1443#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:05,705 INFO L280 TraceCheckUtils]: 16: Hoare triple {1443#(<= |id2_#in~x| 1)} havoc #t~ret1; {1443#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:05,706 INFO L280 TraceCheckUtils]: 17: Hoare triple {1443#(<= |id2_#in~x| 1)} assume true; {1443#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:05,707 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {1443#(<= |id2_#in~x| 1)} {1370#(= |id_#in~x| id_~x)} #50#return; {1437#(<= |id_#in~x| 2)} is VALID [2020-07-08 22:07:05,708 INFO L280 TraceCheckUtils]: 19: Hoare triple {1437#(<= |id_#in~x| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1437#(<= |id_#in~x| 2)} is VALID [2020-07-08 22:07:05,709 INFO L280 TraceCheckUtils]: 20: Hoare triple {1437#(<= |id_#in~x| 2)} #res := 1 + #t~ret0; {1437#(<= |id_#in~x| 2)} is VALID [2020-07-08 22:07:05,710 INFO L280 TraceCheckUtils]: 21: Hoare triple {1437#(<= |id_#in~x| 2)} havoc #t~ret0; {1437#(<= |id_#in~x| 2)} is VALID [2020-07-08 22:07:05,711 INFO L280 TraceCheckUtils]: 22: Hoare triple {1437#(<= |id_#in~x| 2)} assume true; {1437#(<= |id_#in~x| 2)} is VALID [2020-07-08 22:07:05,712 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {1437#(<= |id_#in~x| 2)} {1401#(= id2_~x |id2_#in~x|)} #42#return; {1423#(<= |id2_#in~x| 3)} is VALID [2020-07-08 22:07:05,714 INFO L280 TraceCheckUtils]: 24: Hoare triple {1423#(<= |id2_#in~x| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1423#(<= |id2_#in~x| 3)} is VALID [2020-07-08 22:07:05,714 INFO L280 TraceCheckUtils]: 25: Hoare triple {1423#(<= |id2_#in~x| 3)} #res := 1 + #t~ret1; {1423#(<= |id2_#in~x| 3)} is VALID [2020-07-08 22:07:05,717 INFO L280 TraceCheckUtils]: 26: Hoare triple {1423#(<= |id2_#in~x| 3)} havoc #t~ret1; {1423#(<= |id2_#in~x| 3)} is VALID [2020-07-08 22:07:05,717 INFO L280 TraceCheckUtils]: 27: Hoare triple {1423#(<= |id2_#in~x| 3)} assume true; {1423#(<= |id2_#in~x| 3)} is VALID [2020-07-08 22:07:05,719 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {1423#(<= |id2_#in~x| 3)} {1370#(= |id_#in~x| id_~x)} #50#return; {1400#(<= |id_#in~x| 4)} is VALID [2020-07-08 22:07:05,722 INFO L280 TraceCheckUtils]: 0: Hoare triple {1328#true} ~x := #in~x; {1370#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:05,723 INFO L280 TraceCheckUtils]: 1: Hoare triple {1370#(= |id_#in~x| id_~x)} assume !(0 == ~x); {1370#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:05,723 INFO L263 TraceCheckUtils]: 2: Hoare triple {1370#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {1328#true} is VALID [2020-07-08 22:07:05,724 INFO L280 TraceCheckUtils]: 3: Hoare triple {1328#true} ~x := #in~x; {1401#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:05,724 INFO L280 TraceCheckUtils]: 4: Hoare triple {1401#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {1401#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:05,725 INFO L263 TraceCheckUtils]: 5: Hoare triple {1401#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {1328#true} is VALID [2020-07-08 22:07:05,726 INFO L280 TraceCheckUtils]: 6: Hoare triple {1328#true} ~x := #in~x; {1370#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:05,732 INFO L280 TraceCheckUtils]: 7: Hoare triple {1370#(= |id_#in~x| id_~x)} assume !(0 == ~x); {1370#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:05,732 INFO L263 TraceCheckUtils]: 8: Hoare triple {1370#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {1328#true} is VALID [2020-07-08 22:07:05,735 INFO L280 TraceCheckUtils]: 9: Hoare triple {1328#true} ~x := #in~x; {1401#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:05,735 INFO L280 TraceCheckUtils]: 10: Hoare triple {1401#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {1401#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:05,736 INFO L263 TraceCheckUtils]: 11: Hoare triple {1401#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {1328#true} is VALID [2020-07-08 22:07:05,737 INFO L280 TraceCheckUtils]: 12: Hoare triple {1328#true} ~x := #in~x; {1370#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:05,738 INFO L280 TraceCheckUtils]: 13: Hoare triple {1370#(= |id_#in~x| id_~x)} assume 0 == ~x; {1444#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:05,738 INFO L280 TraceCheckUtils]: 14: Hoare triple {1444#(= 0 |id_#in~x|)} #res := 0; {1444#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:05,739 INFO L280 TraceCheckUtils]: 15: Hoare triple {1444#(= 0 |id_#in~x|)} assume true; {1444#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:05,740 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {1444#(= 0 |id_#in~x|)} {1401#(= id2_~x |id2_#in~x|)} #42#return; {1443#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:05,741 INFO L280 TraceCheckUtils]: 17: Hoare triple {1443#(<= |id2_#in~x| 1)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1443#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:05,742 INFO L280 TraceCheckUtils]: 18: Hoare triple {1443#(<= |id2_#in~x| 1)} #res := 1 + #t~ret1; {1443#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:05,743 INFO L280 TraceCheckUtils]: 19: Hoare triple {1443#(<= |id2_#in~x| 1)} havoc #t~ret1; {1443#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:05,743 INFO L280 TraceCheckUtils]: 20: Hoare triple {1443#(<= |id2_#in~x| 1)} assume true; {1443#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:05,745 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {1443#(<= |id2_#in~x| 1)} {1370#(= |id_#in~x| id_~x)} #50#return; {1437#(<= |id_#in~x| 2)} is VALID [2020-07-08 22:07:05,746 INFO L280 TraceCheckUtils]: 22: Hoare triple {1437#(<= |id_#in~x| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1437#(<= |id_#in~x| 2)} is VALID [2020-07-08 22:07:05,747 INFO L280 TraceCheckUtils]: 23: Hoare triple {1437#(<= |id_#in~x| 2)} #res := 1 + #t~ret0; {1437#(<= |id_#in~x| 2)} is VALID [2020-07-08 22:07:05,747 INFO L280 TraceCheckUtils]: 24: Hoare triple {1437#(<= |id_#in~x| 2)} havoc #t~ret0; {1437#(<= |id_#in~x| 2)} is VALID [2020-07-08 22:07:05,751 INFO L280 TraceCheckUtils]: 25: Hoare triple {1437#(<= |id_#in~x| 2)} assume true; {1437#(<= |id_#in~x| 2)} is VALID [2020-07-08 22:07:05,752 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {1437#(<= |id_#in~x| 2)} {1401#(= id2_~x |id2_#in~x|)} #42#return; {1423#(<= |id2_#in~x| 3)} is VALID [2020-07-08 22:07:05,753 INFO L280 TraceCheckUtils]: 27: Hoare triple {1423#(<= |id2_#in~x| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1423#(<= |id2_#in~x| 3)} is VALID [2020-07-08 22:07:05,754 INFO L280 TraceCheckUtils]: 28: Hoare triple {1423#(<= |id2_#in~x| 3)} #res := 1 + #t~ret1; {1423#(<= |id2_#in~x| 3)} is VALID [2020-07-08 22:07:05,754 INFO L280 TraceCheckUtils]: 29: Hoare triple {1423#(<= |id2_#in~x| 3)} havoc #t~ret1; {1423#(<= |id2_#in~x| 3)} is VALID [2020-07-08 22:07:05,755 INFO L280 TraceCheckUtils]: 30: Hoare triple {1423#(<= |id2_#in~x| 3)} assume true; {1423#(<= |id2_#in~x| 3)} is VALID [2020-07-08 22:07:05,756 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {1423#(<= |id2_#in~x| 3)} {1370#(= |id_#in~x| id_~x)} #50#return; {1400#(<= |id_#in~x| 4)} is VALID [2020-07-08 22:07:05,757 INFO L280 TraceCheckUtils]: 32: Hoare triple {1400#(<= |id_#in~x| 4)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1400#(<= |id_#in~x| 4)} is VALID [2020-07-08 22:07:05,758 INFO L280 TraceCheckUtils]: 33: Hoare triple {1400#(<= |id_#in~x| 4)} #res := 1 + #t~ret0; {1400#(<= |id_#in~x| 4)} is VALID [2020-07-08 22:07:05,759 INFO L280 TraceCheckUtils]: 34: Hoare triple {1400#(<= |id_#in~x| 4)} havoc #t~ret0; {1400#(<= |id_#in~x| 4)} is VALID [2020-07-08 22:07:05,760 INFO L280 TraceCheckUtils]: 35: Hoare triple {1400#(<= |id_#in~x| 4)} assume true; {1400#(<= |id_#in~x| 4)} is VALID [2020-07-08 22:07:05,761 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {1400#(<= |id_#in~x| 4)} {1332#(<= 5 main_~input~0)} #48#return; {1329#false} is VALID [2020-07-08 22:07:05,764 INFO L263 TraceCheckUtils]: 0: Hoare triple {1328#true} call ULTIMATE.init(); {1328#true} is VALID [2020-07-08 22:07:05,764 INFO L280 TraceCheckUtils]: 1: Hoare triple {1328#true} assume true; {1328#true} is VALID [2020-07-08 22:07:05,765 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1328#true} {1328#true} #44#return; {1328#true} is VALID [2020-07-08 22:07:05,765 INFO L263 TraceCheckUtils]: 3: Hoare triple {1328#true} call #t~ret3 := main(); {1328#true} is VALID [2020-07-08 22:07:05,767 INFO L280 TraceCheckUtils]: 4: Hoare triple {1328#true} ~input~0 := 5; {1332#(<= 5 main_~input~0)} is VALID [2020-07-08 22:07:05,767 INFO L263 TraceCheckUtils]: 5: Hoare triple {1332#(<= 5 main_~input~0)} call #t~ret2 := id(~input~0); {1328#true} is VALID [2020-07-08 22:07:05,768 INFO L280 TraceCheckUtils]: 6: Hoare triple {1328#true} ~x := #in~x; {1370#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:05,769 INFO L280 TraceCheckUtils]: 7: Hoare triple {1370#(= |id_#in~x| id_~x)} assume !(0 == ~x); {1370#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:05,769 INFO L263 TraceCheckUtils]: 8: Hoare triple {1370#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {1328#true} is VALID [2020-07-08 22:07:05,770 INFO L280 TraceCheckUtils]: 9: Hoare triple {1328#true} ~x := #in~x; {1401#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:05,771 INFO L280 TraceCheckUtils]: 10: Hoare triple {1401#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {1401#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:05,771 INFO L263 TraceCheckUtils]: 11: Hoare triple {1401#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {1328#true} is VALID [2020-07-08 22:07:05,772 INFO L280 TraceCheckUtils]: 12: Hoare triple {1328#true} ~x := #in~x; {1370#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:05,772 INFO L280 TraceCheckUtils]: 13: Hoare triple {1370#(= |id_#in~x| id_~x)} assume !(0 == ~x); {1370#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:05,773 INFO L263 TraceCheckUtils]: 14: Hoare triple {1370#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {1328#true} is VALID [2020-07-08 22:07:05,773 INFO L280 TraceCheckUtils]: 15: Hoare triple {1328#true} ~x := #in~x; {1401#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:05,774 INFO L280 TraceCheckUtils]: 16: Hoare triple {1401#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {1401#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:05,775 INFO L263 TraceCheckUtils]: 17: Hoare triple {1401#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {1328#true} is VALID [2020-07-08 22:07:05,775 INFO L280 TraceCheckUtils]: 18: Hoare triple {1328#true} ~x := #in~x; {1370#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:05,777 INFO L280 TraceCheckUtils]: 19: Hoare triple {1370#(= |id_#in~x| id_~x)} assume 0 == ~x; {1444#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:05,777 INFO L280 TraceCheckUtils]: 20: Hoare triple {1444#(= 0 |id_#in~x|)} #res := 0; {1444#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:05,778 INFO L280 TraceCheckUtils]: 21: Hoare triple {1444#(= 0 |id_#in~x|)} assume true; {1444#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:05,779 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {1444#(= 0 |id_#in~x|)} {1401#(= id2_~x |id2_#in~x|)} #42#return; {1443#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:05,780 INFO L280 TraceCheckUtils]: 23: Hoare triple {1443#(<= |id2_#in~x| 1)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1443#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:05,781 INFO L280 TraceCheckUtils]: 24: Hoare triple {1443#(<= |id2_#in~x| 1)} #res := 1 + #t~ret1; {1443#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:05,784 INFO L280 TraceCheckUtils]: 25: Hoare triple {1443#(<= |id2_#in~x| 1)} havoc #t~ret1; {1443#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:05,785 INFO L280 TraceCheckUtils]: 26: Hoare triple {1443#(<= |id2_#in~x| 1)} assume true; {1443#(<= |id2_#in~x| 1)} is VALID [2020-07-08 22:07:05,795 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {1443#(<= |id2_#in~x| 1)} {1370#(= |id_#in~x| id_~x)} #50#return; {1437#(<= |id_#in~x| 2)} is VALID [2020-07-08 22:07:05,797 INFO L280 TraceCheckUtils]: 28: Hoare triple {1437#(<= |id_#in~x| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1437#(<= |id_#in~x| 2)} is VALID [2020-07-08 22:07:05,798 INFO L280 TraceCheckUtils]: 29: Hoare triple {1437#(<= |id_#in~x| 2)} #res := 1 + #t~ret0; {1437#(<= |id_#in~x| 2)} is VALID [2020-07-08 22:07:05,798 INFO L280 TraceCheckUtils]: 30: Hoare triple {1437#(<= |id_#in~x| 2)} havoc #t~ret0; {1437#(<= |id_#in~x| 2)} is VALID [2020-07-08 22:07:05,799 INFO L280 TraceCheckUtils]: 31: Hoare triple {1437#(<= |id_#in~x| 2)} assume true; {1437#(<= |id_#in~x| 2)} is VALID [2020-07-08 22:07:05,801 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {1437#(<= |id_#in~x| 2)} {1401#(= id2_~x |id2_#in~x|)} #42#return; {1423#(<= |id2_#in~x| 3)} is VALID [2020-07-08 22:07:05,802 INFO L280 TraceCheckUtils]: 33: Hoare triple {1423#(<= |id2_#in~x| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1423#(<= |id2_#in~x| 3)} is VALID [2020-07-08 22:07:05,803 INFO L280 TraceCheckUtils]: 34: Hoare triple {1423#(<= |id2_#in~x| 3)} #res := 1 + #t~ret1; {1423#(<= |id2_#in~x| 3)} is VALID [2020-07-08 22:07:05,803 INFO L280 TraceCheckUtils]: 35: Hoare triple {1423#(<= |id2_#in~x| 3)} havoc #t~ret1; {1423#(<= |id2_#in~x| 3)} is VALID [2020-07-08 22:07:05,804 INFO L280 TraceCheckUtils]: 36: Hoare triple {1423#(<= |id2_#in~x| 3)} assume true; {1423#(<= |id2_#in~x| 3)} is VALID [2020-07-08 22:07:05,805 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {1423#(<= |id2_#in~x| 3)} {1370#(= |id_#in~x| id_~x)} #50#return; {1400#(<= |id_#in~x| 4)} is VALID [2020-07-08 22:07:05,806 INFO L280 TraceCheckUtils]: 38: Hoare triple {1400#(<= |id_#in~x| 4)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1400#(<= |id_#in~x| 4)} is VALID [2020-07-08 22:07:05,807 INFO L280 TraceCheckUtils]: 39: Hoare triple {1400#(<= |id_#in~x| 4)} #res := 1 + #t~ret0; {1400#(<= |id_#in~x| 4)} is VALID [2020-07-08 22:07:05,807 INFO L280 TraceCheckUtils]: 40: Hoare triple {1400#(<= |id_#in~x| 4)} havoc #t~ret0; {1400#(<= |id_#in~x| 4)} is VALID [2020-07-08 22:07:05,808 INFO L280 TraceCheckUtils]: 41: Hoare triple {1400#(<= |id_#in~x| 4)} assume true; {1400#(<= |id_#in~x| 4)} is VALID [2020-07-08 22:07:05,809 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {1400#(<= |id_#in~x| 4)} {1332#(<= 5 main_~input~0)} #48#return; {1329#false} is VALID [2020-07-08 22:07:05,809 INFO L280 TraceCheckUtils]: 43: Hoare triple {1329#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1329#false} is VALID [2020-07-08 22:07:05,809 INFO L280 TraceCheckUtils]: 44: Hoare triple {1329#false} ~result~0 := #t~ret2; {1329#false} is VALID [2020-07-08 22:07:05,810 INFO L280 TraceCheckUtils]: 45: Hoare triple {1329#false} havoc #t~ret2; {1329#false} is VALID [2020-07-08 22:07:05,810 INFO L280 TraceCheckUtils]: 46: Hoare triple {1329#false} assume 5 != ~result~0; {1329#false} is VALID [2020-07-08 22:07:05,810 INFO L280 TraceCheckUtils]: 47: Hoare triple {1329#false} assume !false; {1329#false} is VALID [2020-07-08 22:07:05,813 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-08 22:07:05,814 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1376026766] [2020-07-08 22:07:05,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 22:07:05,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-07-08 22:07:05,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783570289] [2020-07-08 22:07:05,816 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 48 [2020-07-08 22:07:05,816 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:07:05,816 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2020-07-08 22:07:05,865 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:07:05,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-08 22:07:05,866 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:07:05,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-08 22:07:05,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-07-08 22:07:05,866 INFO L87 Difference]: Start difference. First operand 47 states and 49 transitions. Second operand 10 states. [2020-07-08 22:07:06,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:07:06,356 INFO L93 Difference]: Finished difference Result 75 states and 77 transitions. [2020-07-08 22:07:06,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-08 22:07:06,357 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 48 [2020-07-08 22:07:06,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:07:06,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-08 22:07:06,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 60 transitions. [2020-07-08 22:07:06,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-08 22:07:06,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 60 transitions. [2020-07-08 22:07:06,370 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 60 transitions. [2020-07-08 22:07:06,444 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 22:07:06,448 INFO L225 Difference]: With dead ends: 75 [2020-07-08 22:07:06,448 INFO L226 Difference]: Without dead ends: 69 [2020-07-08 22:07:06,449 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2020-07-08 22:07:06,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-07-08 22:07:06,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 52. [2020-07-08 22:07:06,539 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:07:06,539 INFO L82 GeneralOperation]: Start isEquivalent. First operand 69 states. Second operand 52 states. [2020-07-08 22:07:06,539 INFO L74 IsIncluded]: Start isIncluded. First operand 69 states. Second operand 52 states. [2020-07-08 22:07:06,539 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 52 states. [2020-07-08 22:07:06,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:07:06,544 INFO L93 Difference]: Finished difference Result 69 states and 71 transitions. [2020-07-08 22:07:06,544 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 71 transitions. [2020-07-08 22:07:06,545 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:07:06,545 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:07:06,545 INFO L74 IsIncluded]: Start isIncluded. First operand 52 states. Second operand 69 states. [2020-07-08 22:07:06,545 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 69 states. [2020-07-08 22:07:06,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:07:06,549 INFO L93 Difference]: Finished difference Result 69 states and 71 transitions. [2020-07-08 22:07:06,549 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 71 transitions. [2020-07-08 22:07:06,550 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:07:06,550 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:07:06,550 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:07:06,551 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:07:06,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-07-08 22:07:06,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 54 transitions. [2020-07-08 22:07:06,554 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 54 transitions. Word has length 48 [2020-07-08 22:07:06,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:07:06,554 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 54 transitions. [2020-07-08 22:07:06,554 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-08 22:07:06,554 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 52 states and 54 transitions. [2020-07-08 22:07:06,627 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:07:06,627 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2020-07-08 22:07:06,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-08 22:07:06,628 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:07:06,628 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:07:06,628 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-08 22:07:06,629 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:07:06,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:07:06,629 INFO L82 PathProgramCache]: Analyzing trace with hash 826985242, now seen corresponding path program 2 times [2020-07-08 22:07:06,629 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:07:06,630 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [474154672] [2020-07-08 22:07:06,630 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:07:06,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:06,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:06,741 INFO L280 TraceCheckUtils]: 0: Hoare triple {1849#true} assume true; {1849#true} is VALID [2020-07-08 22:07:06,741 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1849#true} {1849#true} #44#return; {1849#true} is VALID [2020-07-08 22:07:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:06,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:06,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:07,057 INFO L280 TraceCheckUtils]: 0: Hoare triple {1849#true} ~x := #in~x; {1849#true} is VALID [2020-07-08 22:07:07,058 INFO L280 TraceCheckUtils]: 1: Hoare triple {1849#true} assume 0 == ~x; {1849#true} is VALID [2020-07-08 22:07:07,059 INFO L280 TraceCheckUtils]: 2: Hoare triple {1849#true} #res := 0; {2015#(= 0 |id2_#res|)} is VALID [2020-07-08 22:07:07,059 INFO L280 TraceCheckUtils]: 3: Hoare triple {2015#(= 0 |id2_#res|)} assume true; {2015#(= 0 |id2_#res|)} is VALID [2020-07-08 22:07:07,061 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2015#(= 0 |id2_#res|)} {1849#true} #50#return; {2013#(= 0 |id_#t~ret0|)} is VALID [2020-07-08 22:07:07,061 INFO L280 TraceCheckUtils]: 0: Hoare triple {1849#true} ~x := #in~x; {1849#true} is VALID [2020-07-08 22:07:07,061 INFO L280 TraceCheckUtils]: 1: Hoare triple {1849#true} assume !(0 == ~x); {1849#true} is VALID [2020-07-08 22:07:07,062 INFO L263 TraceCheckUtils]: 2: Hoare triple {1849#true} call #t~ret0 := id2(~x - 1); {1849#true} is VALID [2020-07-08 22:07:07,062 INFO L280 TraceCheckUtils]: 3: Hoare triple {1849#true} ~x := #in~x; {1849#true} is VALID [2020-07-08 22:07:07,062 INFO L280 TraceCheckUtils]: 4: Hoare triple {1849#true} assume 0 == ~x; {1849#true} is VALID [2020-07-08 22:07:07,063 INFO L280 TraceCheckUtils]: 5: Hoare triple {1849#true} #res := 0; {2015#(= 0 |id2_#res|)} is VALID [2020-07-08 22:07:07,064 INFO L280 TraceCheckUtils]: 6: Hoare triple {2015#(= 0 |id2_#res|)} assume true; {2015#(= 0 |id2_#res|)} is VALID [2020-07-08 22:07:07,065 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {2015#(= 0 |id2_#res|)} {1849#true} #50#return; {2013#(= 0 |id_#t~ret0|)} is VALID [2020-07-08 22:07:07,066 INFO L280 TraceCheckUtils]: 8: Hoare triple {2013#(= 0 |id_#t~ret0|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2013#(= 0 |id_#t~ret0|)} is VALID [2020-07-08 22:07:07,066 INFO L280 TraceCheckUtils]: 9: Hoare triple {2013#(= 0 |id_#t~ret0|)} #res := 1 + #t~ret0; {2014#(and (<= 1 |id_#res|) (<= |id_#res| 1))} is VALID [2020-07-08 22:07:07,067 INFO L280 TraceCheckUtils]: 10: Hoare triple {2014#(and (<= 1 |id_#res|) (<= |id_#res| 1))} havoc #t~ret0; {2014#(and (<= 1 |id_#res|) (<= |id_#res| 1))} is VALID [2020-07-08 22:07:07,068 INFO L280 TraceCheckUtils]: 11: Hoare triple {2014#(and (<= 1 |id_#res|) (<= |id_#res| 1))} assume true; {2014#(and (<= 1 |id_#res|) (<= |id_#res| 1))} is VALID [2020-07-08 22:07:07,069 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {2014#(and (<= 1 |id_#res|) (<= |id_#res| 1))} {1849#true} #42#return; {2006#(and (<= 1 |id2_#t~ret1|) (<= |id2_#t~ret1| 1))} is VALID [2020-07-08 22:07:07,070 INFO L280 TraceCheckUtils]: 0: Hoare triple {1849#true} ~x := #in~x; {1849#true} is VALID [2020-07-08 22:07:07,070 INFO L280 TraceCheckUtils]: 1: Hoare triple {1849#true} assume !(0 == ~x); {1849#true} is VALID [2020-07-08 22:07:07,071 INFO L263 TraceCheckUtils]: 2: Hoare triple {1849#true} call #t~ret1 := id(~x - 1); {1849#true} is VALID [2020-07-08 22:07:07,071 INFO L280 TraceCheckUtils]: 3: Hoare triple {1849#true} ~x := #in~x; {1849#true} is VALID [2020-07-08 22:07:07,071 INFO L280 TraceCheckUtils]: 4: Hoare triple {1849#true} assume !(0 == ~x); {1849#true} is VALID [2020-07-08 22:07:07,072 INFO L263 TraceCheckUtils]: 5: Hoare triple {1849#true} call #t~ret0 := id2(~x - 1); {1849#true} is VALID [2020-07-08 22:07:07,072 INFO L280 TraceCheckUtils]: 6: Hoare triple {1849#true} ~x := #in~x; {1849#true} is VALID [2020-07-08 22:07:07,072 INFO L280 TraceCheckUtils]: 7: Hoare triple {1849#true} assume 0 == ~x; {1849#true} is VALID [2020-07-08 22:07:07,076 INFO L280 TraceCheckUtils]: 8: Hoare triple {1849#true} #res := 0; {2015#(= 0 |id2_#res|)} is VALID [2020-07-08 22:07:07,077 INFO L280 TraceCheckUtils]: 9: Hoare triple {2015#(= 0 |id2_#res|)} assume true; {2015#(= 0 |id2_#res|)} is VALID [2020-07-08 22:07:07,078 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {2015#(= 0 |id2_#res|)} {1849#true} #50#return; {2013#(= 0 |id_#t~ret0|)} is VALID [2020-07-08 22:07:07,079 INFO L280 TraceCheckUtils]: 11: Hoare triple {2013#(= 0 |id_#t~ret0|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2013#(= 0 |id_#t~ret0|)} is VALID [2020-07-08 22:07:07,080 INFO L280 TraceCheckUtils]: 12: Hoare triple {2013#(= 0 |id_#t~ret0|)} #res := 1 + #t~ret0; {2014#(and (<= 1 |id_#res|) (<= |id_#res| 1))} is VALID [2020-07-08 22:07:07,081 INFO L280 TraceCheckUtils]: 13: Hoare triple {2014#(and (<= 1 |id_#res|) (<= |id_#res| 1))} havoc #t~ret0; {2014#(and (<= 1 |id_#res|) (<= |id_#res| 1))} is VALID [2020-07-08 22:07:07,081 INFO L280 TraceCheckUtils]: 14: Hoare triple {2014#(and (<= 1 |id_#res|) (<= |id_#res| 1))} assume true; {2014#(and (<= 1 |id_#res|) (<= |id_#res| 1))} is VALID [2020-07-08 22:07:07,082 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {2014#(and (<= 1 |id_#res|) (<= |id_#res| 1))} {1849#true} #42#return; {2006#(and (<= 1 |id2_#t~ret1|) (<= |id2_#t~ret1| 1))} is VALID [2020-07-08 22:07:07,083 INFO L280 TraceCheckUtils]: 16: Hoare triple {2006#(and (<= 1 |id2_#t~ret1|) (<= |id2_#t~ret1| 1))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2006#(and (<= 1 |id2_#t~ret1|) (<= |id2_#t~ret1| 1))} is VALID [2020-07-08 22:07:07,084 INFO L280 TraceCheckUtils]: 17: Hoare triple {2006#(and (<= 1 |id2_#t~ret1|) (<= |id2_#t~ret1| 1))} #res := 1 + #t~ret1; {2007#(and (<= 2 |id2_#res|) (<= |id2_#res| 2))} is VALID [2020-07-08 22:07:07,085 INFO L280 TraceCheckUtils]: 18: Hoare triple {2007#(and (<= 2 |id2_#res|) (<= |id2_#res| 2))} havoc #t~ret1; {2007#(and (<= 2 |id2_#res|) (<= |id2_#res| 2))} is VALID [2020-07-08 22:07:07,086 INFO L280 TraceCheckUtils]: 19: Hoare triple {2007#(and (<= 2 |id2_#res|) (<= |id2_#res| 2))} assume true; {2007#(and (<= 2 |id2_#res|) (<= |id2_#res| 2))} is VALID [2020-07-08 22:07:07,087 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {2007#(and (<= 2 |id2_#res|) (<= |id2_#res| 2))} {1849#true} #50#return; {1991#(and (<= |id_#t~ret0| 2) (<= 2 |id_#t~ret0|))} is VALID [2020-07-08 22:07:07,088 INFO L280 TraceCheckUtils]: 0: Hoare triple {1849#true} ~x := #in~x; {1849#true} is VALID [2020-07-08 22:07:07,088 INFO L280 TraceCheckUtils]: 1: Hoare triple {1849#true} assume !(0 == ~x); {1849#true} is VALID [2020-07-08 22:07:07,089 INFO L263 TraceCheckUtils]: 2: Hoare triple {1849#true} call #t~ret0 := id2(~x - 1); {1849#true} is VALID [2020-07-08 22:07:07,089 INFO L280 TraceCheckUtils]: 3: Hoare triple {1849#true} ~x := #in~x; {1849#true} is VALID [2020-07-08 22:07:07,089 INFO L280 TraceCheckUtils]: 4: Hoare triple {1849#true} assume !(0 == ~x); {1849#true} is VALID [2020-07-08 22:07:07,089 INFO L263 TraceCheckUtils]: 5: Hoare triple {1849#true} call #t~ret1 := id(~x - 1); {1849#true} is VALID [2020-07-08 22:07:07,090 INFO L280 TraceCheckUtils]: 6: Hoare triple {1849#true} ~x := #in~x; {1849#true} is VALID [2020-07-08 22:07:07,090 INFO L280 TraceCheckUtils]: 7: Hoare triple {1849#true} assume !(0 == ~x); {1849#true} is VALID [2020-07-08 22:07:07,090 INFO L263 TraceCheckUtils]: 8: Hoare triple {1849#true} call #t~ret0 := id2(~x - 1); {1849#true} is VALID [2020-07-08 22:07:07,090 INFO L280 TraceCheckUtils]: 9: Hoare triple {1849#true} ~x := #in~x; {1849#true} is VALID [2020-07-08 22:07:07,090 INFO L280 TraceCheckUtils]: 10: Hoare triple {1849#true} assume 0 == ~x; {1849#true} is VALID [2020-07-08 22:07:07,091 INFO L280 TraceCheckUtils]: 11: Hoare triple {1849#true} #res := 0; {2015#(= 0 |id2_#res|)} is VALID [2020-07-08 22:07:07,092 INFO L280 TraceCheckUtils]: 12: Hoare triple {2015#(= 0 |id2_#res|)} assume true; {2015#(= 0 |id2_#res|)} is VALID [2020-07-08 22:07:07,093 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {2015#(= 0 |id2_#res|)} {1849#true} #50#return; {2013#(= 0 |id_#t~ret0|)} is VALID [2020-07-08 22:07:07,094 INFO L280 TraceCheckUtils]: 14: Hoare triple {2013#(= 0 |id_#t~ret0|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2013#(= 0 |id_#t~ret0|)} is VALID [2020-07-08 22:07:07,095 INFO L280 TraceCheckUtils]: 15: Hoare triple {2013#(= 0 |id_#t~ret0|)} #res := 1 + #t~ret0; {2014#(and (<= 1 |id_#res|) (<= |id_#res| 1))} is VALID [2020-07-08 22:07:07,095 INFO L280 TraceCheckUtils]: 16: Hoare triple {2014#(and (<= 1 |id_#res|) (<= |id_#res| 1))} havoc #t~ret0; {2014#(and (<= 1 |id_#res|) (<= |id_#res| 1))} is VALID [2020-07-08 22:07:07,096 INFO L280 TraceCheckUtils]: 17: Hoare triple {2014#(and (<= 1 |id_#res|) (<= |id_#res| 1))} assume true; {2014#(and (<= 1 |id_#res|) (<= |id_#res| 1))} is VALID [2020-07-08 22:07:07,097 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {2014#(and (<= 1 |id_#res|) (<= |id_#res| 1))} {1849#true} #42#return; {2006#(and (<= 1 |id2_#t~ret1|) (<= |id2_#t~ret1| 1))} is VALID [2020-07-08 22:07:07,098 INFO L280 TraceCheckUtils]: 19: Hoare triple {2006#(and (<= 1 |id2_#t~ret1|) (<= |id2_#t~ret1| 1))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2006#(and (<= 1 |id2_#t~ret1|) (<= |id2_#t~ret1| 1))} is VALID [2020-07-08 22:07:07,099 INFO L280 TraceCheckUtils]: 20: Hoare triple {2006#(and (<= 1 |id2_#t~ret1|) (<= |id2_#t~ret1| 1))} #res := 1 + #t~ret1; {2007#(and (<= 2 |id2_#res|) (<= |id2_#res| 2))} is VALID [2020-07-08 22:07:07,100 INFO L280 TraceCheckUtils]: 21: Hoare triple {2007#(and (<= 2 |id2_#res|) (<= |id2_#res| 2))} havoc #t~ret1; {2007#(and (<= 2 |id2_#res|) (<= |id2_#res| 2))} is VALID [2020-07-08 22:07:07,101 INFO L280 TraceCheckUtils]: 22: Hoare triple {2007#(and (<= 2 |id2_#res|) (<= |id2_#res| 2))} assume true; {2007#(and (<= 2 |id2_#res|) (<= |id2_#res| 2))} is VALID [2020-07-08 22:07:07,102 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {2007#(and (<= 2 |id2_#res|) (<= |id2_#res| 2))} {1849#true} #50#return; {1991#(and (<= |id_#t~ret0| 2) (<= 2 |id_#t~ret0|))} is VALID [2020-07-08 22:07:07,103 INFO L280 TraceCheckUtils]: 24: Hoare triple {1991#(and (<= |id_#t~ret0| 2) (<= 2 |id_#t~ret0|))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1991#(and (<= |id_#t~ret0| 2) (<= 2 |id_#t~ret0|))} is VALID [2020-07-08 22:07:07,104 INFO L280 TraceCheckUtils]: 25: Hoare triple {1991#(and (<= |id_#t~ret0| 2) (<= 2 |id_#t~ret0|))} #res := 1 + #t~ret0; {1992#(and (<= |id_#res| 3) (<= 3 |id_#res|))} is VALID [2020-07-08 22:07:07,104 INFO L280 TraceCheckUtils]: 26: Hoare triple {1992#(and (<= |id_#res| 3) (<= 3 |id_#res|))} havoc #t~ret0; {1992#(and (<= |id_#res| 3) (<= 3 |id_#res|))} is VALID [2020-07-08 22:07:07,105 INFO L280 TraceCheckUtils]: 27: Hoare triple {1992#(and (<= |id_#res| 3) (<= 3 |id_#res|))} assume true; {1992#(and (<= |id_#res| 3) (<= 3 |id_#res|))} is VALID [2020-07-08 22:07:07,106 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {1992#(and (<= |id_#res| 3) (<= 3 |id_#res|))} {1849#true} #42#return; {1968#(and (<= |id2_#t~ret1| 3) (<= 3 |id2_#t~ret1|))} is VALID [2020-07-08 22:07:07,108 INFO L280 TraceCheckUtils]: 0: Hoare triple {1849#true} ~x := #in~x; {1849#true} is VALID [2020-07-08 22:07:07,108 INFO L280 TraceCheckUtils]: 1: Hoare triple {1849#true} assume !(0 == ~x); {1849#true} is VALID [2020-07-08 22:07:07,108 INFO L263 TraceCheckUtils]: 2: Hoare triple {1849#true} call #t~ret1 := id(~x - 1); {1849#true} is VALID [2020-07-08 22:07:07,108 INFO L280 TraceCheckUtils]: 3: Hoare triple {1849#true} ~x := #in~x; {1849#true} is VALID [2020-07-08 22:07:07,109 INFO L280 TraceCheckUtils]: 4: Hoare triple {1849#true} assume !(0 == ~x); {1849#true} is VALID [2020-07-08 22:07:07,109 INFO L263 TraceCheckUtils]: 5: Hoare triple {1849#true} call #t~ret0 := id2(~x - 1); {1849#true} is VALID [2020-07-08 22:07:07,109 INFO L280 TraceCheckUtils]: 6: Hoare triple {1849#true} ~x := #in~x; {1849#true} is VALID [2020-07-08 22:07:07,109 INFO L280 TraceCheckUtils]: 7: Hoare triple {1849#true} assume !(0 == ~x); {1849#true} is VALID [2020-07-08 22:07:07,110 INFO L263 TraceCheckUtils]: 8: Hoare triple {1849#true} call #t~ret1 := id(~x - 1); {1849#true} is VALID [2020-07-08 22:07:07,110 INFO L280 TraceCheckUtils]: 9: Hoare triple {1849#true} ~x := #in~x; {1849#true} is VALID [2020-07-08 22:07:07,110 INFO L280 TraceCheckUtils]: 10: Hoare triple {1849#true} assume !(0 == ~x); {1849#true} is VALID [2020-07-08 22:07:07,110 INFO L263 TraceCheckUtils]: 11: Hoare triple {1849#true} call #t~ret0 := id2(~x - 1); {1849#true} is VALID [2020-07-08 22:07:07,110 INFO L280 TraceCheckUtils]: 12: Hoare triple {1849#true} ~x := #in~x; {1849#true} is VALID [2020-07-08 22:07:07,111 INFO L280 TraceCheckUtils]: 13: Hoare triple {1849#true} assume 0 == ~x; {1849#true} is VALID [2020-07-08 22:07:07,112 INFO L280 TraceCheckUtils]: 14: Hoare triple {1849#true} #res := 0; {2015#(= 0 |id2_#res|)} is VALID [2020-07-08 22:07:07,112 INFO L280 TraceCheckUtils]: 15: Hoare triple {2015#(= 0 |id2_#res|)} assume true; {2015#(= 0 |id2_#res|)} is VALID [2020-07-08 22:07:07,113 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {2015#(= 0 |id2_#res|)} {1849#true} #50#return; {2013#(= 0 |id_#t~ret0|)} is VALID [2020-07-08 22:07:07,114 INFO L280 TraceCheckUtils]: 17: Hoare triple {2013#(= 0 |id_#t~ret0|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2013#(= 0 |id_#t~ret0|)} is VALID [2020-07-08 22:07:07,115 INFO L280 TraceCheckUtils]: 18: Hoare triple {2013#(= 0 |id_#t~ret0|)} #res := 1 + #t~ret0; {2014#(and (<= 1 |id_#res|) (<= |id_#res| 1))} is VALID [2020-07-08 22:07:07,116 INFO L280 TraceCheckUtils]: 19: Hoare triple {2014#(and (<= 1 |id_#res|) (<= |id_#res| 1))} havoc #t~ret0; {2014#(and (<= 1 |id_#res|) (<= |id_#res| 1))} is VALID [2020-07-08 22:07:07,116 INFO L280 TraceCheckUtils]: 20: Hoare triple {2014#(and (<= 1 |id_#res|) (<= |id_#res| 1))} assume true; {2014#(and (<= 1 |id_#res|) (<= |id_#res| 1))} is VALID [2020-07-08 22:07:07,117 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {2014#(and (<= 1 |id_#res|) (<= |id_#res| 1))} {1849#true} #42#return; {2006#(and (<= 1 |id2_#t~ret1|) (<= |id2_#t~ret1| 1))} is VALID [2020-07-08 22:07:07,118 INFO L280 TraceCheckUtils]: 22: Hoare triple {2006#(and (<= 1 |id2_#t~ret1|) (<= |id2_#t~ret1| 1))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2006#(and (<= 1 |id2_#t~ret1|) (<= |id2_#t~ret1| 1))} is VALID [2020-07-08 22:07:07,119 INFO L280 TraceCheckUtils]: 23: Hoare triple {2006#(and (<= 1 |id2_#t~ret1|) (<= |id2_#t~ret1| 1))} #res := 1 + #t~ret1; {2007#(and (<= 2 |id2_#res|) (<= |id2_#res| 2))} is VALID [2020-07-08 22:07:07,120 INFO L280 TraceCheckUtils]: 24: Hoare triple {2007#(and (<= 2 |id2_#res|) (<= |id2_#res| 2))} havoc #t~ret1; {2007#(and (<= 2 |id2_#res|) (<= |id2_#res| 2))} is VALID [2020-07-08 22:07:07,120 INFO L280 TraceCheckUtils]: 25: Hoare triple {2007#(and (<= 2 |id2_#res|) (<= |id2_#res| 2))} assume true; {2007#(and (<= 2 |id2_#res|) (<= |id2_#res| 2))} is VALID [2020-07-08 22:07:07,122 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {2007#(and (<= 2 |id2_#res|) (<= |id2_#res| 2))} {1849#true} #50#return; {1991#(and (<= |id_#t~ret0| 2) (<= 2 |id_#t~ret0|))} is VALID [2020-07-08 22:07:07,123 INFO L280 TraceCheckUtils]: 27: Hoare triple {1991#(and (<= |id_#t~ret0| 2) (<= 2 |id_#t~ret0|))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1991#(and (<= |id_#t~ret0| 2) (<= 2 |id_#t~ret0|))} is VALID [2020-07-08 22:07:07,124 INFO L280 TraceCheckUtils]: 28: Hoare triple {1991#(and (<= |id_#t~ret0| 2) (<= 2 |id_#t~ret0|))} #res := 1 + #t~ret0; {1992#(and (<= |id_#res| 3) (<= 3 |id_#res|))} is VALID [2020-07-08 22:07:07,125 INFO L280 TraceCheckUtils]: 29: Hoare triple {1992#(and (<= |id_#res| 3) (<= 3 |id_#res|))} havoc #t~ret0; {1992#(and (<= |id_#res| 3) (<= 3 |id_#res|))} is VALID [2020-07-08 22:07:07,125 INFO L280 TraceCheckUtils]: 30: Hoare triple {1992#(and (<= |id_#res| 3) (<= 3 |id_#res|))} assume true; {1992#(and (<= |id_#res| 3) (<= 3 |id_#res|))} is VALID [2020-07-08 22:07:07,126 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {1992#(and (<= |id_#res| 3) (<= 3 |id_#res|))} {1849#true} #42#return; {1968#(and (<= |id2_#t~ret1| 3) (<= 3 |id2_#t~ret1|))} is VALID [2020-07-08 22:07:07,127 INFO L280 TraceCheckUtils]: 32: Hoare triple {1968#(and (<= |id2_#t~ret1| 3) (<= 3 |id2_#t~ret1|))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1968#(and (<= |id2_#t~ret1| 3) (<= 3 |id2_#t~ret1|))} is VALID [2020-07-08 22:07:07,128 INFO L280 TraceCheckUtils]: 33: Hoare triple {1968#(and (<= |id2_#t~ret1| 3) (<= 3 |id2_#t~ret1|))} #res := 1 + #t~ret1; {1969#(and (<= |id2_#res| 4) (<= 4 |id2_#res|))} is VALID [2020-07-08 22:07:07,129 INFO L280 TraceCheckUtils]: 34: Hoare triple {1969#(and (<= |id2_#res| 4) (<= 4 |id2_#res|))} havoc #t~ret1; {1969#(and (<= |id2_#res| 4) (<= 4 |id2_#res|))} is VALID [2020-07-08 22:07:07,131 INFO L280 TraceCheckUtils]: 35: Hoare triple {1969#(and (<= |id2_#res| 4) (<= 4 |id2_#res|))} assume true; {1969#(and (<= |id2_#res| 4) (<= 4 |id2_#res|))} is VALID [2020-07-08 22:07:07,133 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {1969#(and (<= |id2_#res| 4) (<= 4 |id2_#res|))} {1849#true} #50#return; {1937#(and (<= 4 |id_#t~ret0|) (<= |id_#t~ret0| 4))} is VALID [2020-07-08 22:07:07,138 INFO L280 TraceCheckUtils]: 0: Hoare triple {1849#true} ~x := #in~x; {1849#true} is VALID [2020-07-08 22:07:07,139 INFO L280 TraceCheckUtils]: 1: Hoare triple {1849#true} assume !(0 == ~x); {1849#true} is VALID [2020-07-08 22:07:07,139 INFO L263 TraceCheckUtils]: 2: Hoare triple {1849#true} call #t~ret0 := id2(~x - 1); {1849#true} is VALID [2020-07-08 22:07:07,139 INFO L280 TraceCheckUtils]: 3: Hoare triple {1849#true} ~x := #in~x; {1849#true} is VALID [2020-07-08 22:07:07,139 INFO L280 TraceCheckUtils]: 4: Hoare triple {1849#true} assume !(0 == ~x); {1849#true} is VALID [2020-07-08 22:07:07,140 INFO L263 TraceCheckUtils]: 5: Hoare triple {1849#true} call #t~ret1 := id(~x - 1); {1849#true} is VALID [2020-07-08 22:07:07,140 INFO L280 TraceCheckUtils]: 6: Hoare triple {1849#true} ~x := #in~x; {1849#true} is VALID [2020-07-08 22:07:07,140 INFO L280 TraceCheckUtils]: 7: Hoare triple {1849#true} assume !(0 == ~x); {1849#true} is VALID [2020-07-08 22:07:07,140 INFO L263 TraceCheckUtils]: 8: Hoare triple {1849#true} call #t~ret0 := id2(~x - 1); {1849#true} is VALID [2020-07-08 22:07:07,140 INFO L280 TraceCheckUtils]: 9: Hoare triple {1849#true} ~x := #in~x; {1849#true} is VALID [2020-07-08 22:07:07,141 INFO L280 TraceCheckUtils]: 10: Hoare triple {1849#true} assume !(0 == ~x); {1849#true} is VALID [2020-07-08 22:07:07,141 INFO L263 TraceCheckUtils]: 11: Hoare triple {1849#true} call #t~ret1 := id(~x - 1); {1849#true} is VALID [2020-07-08 22:07:07,141 INFO L280 TraceCheckUtils]: 12: Hoare triple {1849#true} ~x := #in~x; {1849#true} is VALID [2020-07-08 22:07:07,141 INFO L280 TraceCheckUtils]: 13: Hoare triple {1849#true} assume !(0 == ~x); {1849#true} is VALID [2020-07-08 22:07:07,141 INFO L263 TraceCheckUtils]: 14: Hoare triple {1849#true} call #t~ret0 := id2(~x - 1); {1849#true} is VALID [2020-07-08 22:07:07,142 INFO L280 TraceCheckUtils]: 15: Hoare triple {1849#true} ~x := #in~x; {1849#true} is VALID [2020-07-08 22:07:07,142 INFO L280 TraceCheckUtils]: 16: Hoare triple {1849#true} assume 0 == ~x; {1849#true} is VALID [2020-07-08 22:07:07,143 INFO L280 TraceCheckUtils]: 17: Hoare triple {1849#true} #res := 0; {2015#(= 0 |id2_#res|)} is VALID [2020-07-08 22:07:07,143 INFO L280 TraceCheckUtils]: 18: Hoare triple {2015#(= 0 |id2_#res|)} assume true; {2015#(= 0 |id2_#res|)} is VALID [2020-07-08 22:07:07,145 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {2015#(= 0 |id2_#res|)} {1849#true} #50#return; {2013#(= 0 |id_#t~ret0|)} is VALID [2020-07-08 22:07:07,145 INFO L280 TraceCheckUtils]: 20: Hoare triple {2013#(= 0 |id_#t~ret0|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2013#(= 0 |id_#t~ret0|)} is VALID [2020-07-08 22:07:07,146 INFO L280 TraceCheckUtils]: 21: Hoare triple {2013#(= 0 |id_#t~ret0|)} #res := 1 + #t~ret0; {2014#(and (<= 1 |id_#res|) (<= |id_#res| 1))} is VALID [2020-07-08 22:07:07,147 INFO L280 TraceCheckUtils]: 22: Hoare triple {2014#(and (<= 1 |id_#res|) (<= |id_#res| 1))} havoc #t~ret0; {2014#(and (<= 1 |id_#res|) (<= |id_#res| 1))} is VALID [2020-07-08 22:07:07,147 INFO L280 TraceCheckUtils]: 23: Hoare triple {2014#(and (<= 1 |id_#res|) (<= |id_#res| 1))} assume true; {2014#(and (<= 1 |id_#res|) (<= |id_#res| 1))} is VALID [2020-07-08 22:07:07,148 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {2014#(and (<= 1 |id_#res|) (<= |id_#res| 1))} {1849#true} #42#return; {2006#(and (<= 1 |id2_#t~ret1|) (<= |id2_#t~ret1| 1))} is VALID [2020-07-08 22:07:07,149 INFO L280 TraceCheckUtils]: 25: Hoare triple {2006#(and (<= 1 |id2_#t~ret1|) (<= |id2_#t~ret1| 1))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2006#(and (<= 1 |id2_#t~ret1|) (<= |id2_#t~ret1| 1))} is VALID [2020-07-08 22:07:07,151 INFO L280 TraceCheckUtils]: 26: Hoare triple {2006#(and (<= 1 |id2_#t~ret1|) (<= |id2_#t~ret1| 1))} #res := 1 + #t~ret1; {2007#(and (<= 2 |id2_#res|) (<= |id2_#res| 2))} is VALID [2020-07-08 22:07:07,151 INFO L280 TraceCheckUtils]: 27: Hoare triple {2007#(and (<= 2 |id2_#res|) (<= |id2_#res| 2))} havoc #t~ret1; {2007#(and (<= 2 |id2_#res|) (<= |id2_#res| 2))} is VALID [2020-07-08 22:07:07,152 INFO L280 TraceCheckUtils]: 28: Hoare triple {2007#(and (<= 2 |id2_#res|) (<= |id2_#res| 2))} assume true; {2007#(and (<= 2 |id2_#res|) (<= |id2_#res| 2))} is VALID [2020-07-08 22:07:07,153 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {2007#(and (<= 2 |id2_#res|) (<= |id2_#res| 2))} {1849#true} #50#return; {1991#(and (<= |id_#t~ret0| 2) (<= 2 |id_#t~ret0|))} is VALID [2020-07-08 22:07:07,154 INFO L280 TraceCheckUtils]: 30: Hoare triple {1991#(and (<= |id_#t~ret0| 2) (<= 2 |id_#t~ret0|))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1991#(and (<= |id_#t~ret0| 2) (<= 2 |id_#t~ret0|))} is VALID [2020-07-08 22:07:07,155 INFO L280 TraceCheckUtils]: 31: Hoare triple {1991#(and (<= |id_#t~ret0| 2) (<= 2 |id_#t~ret0|))} #res := 1 + #t~ret0; {1992#(and (<= |id_#res| 3) (<= 3 |id_#res|))} is VALID [2020-07-08 22:07:07,156 INFO L280 TraceCheckUtils]: 32: Hoare triple {1992#(and (<= |id_#res| 3) (<= 3 |id_#res|))} havoc #t~ret0; {1992#(and (<= |id_#res| 3) (<= 3 |id_#res|))} is VALID [2020-07-08 22:07:07,156 INFO L280 TraceCheckUtils]: 33: Hoare triple {1992#(and (<= |id_#res| 3) (<= 3 |id_#res|))} assume true; {1992#(and (<= |id_#res| 3) (<= 3 |id_#res|))} is VALID [2020-07-08 22:07:07,158 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {1992#(and (<= |id_#res| 3) (<= 3 |id_#res|))} {1849#true} #42#return; {1968#(and (<= |id2_#t~ret1| 3) (<= 3 |id2_#t~ret1|))} is VALID [2020-07-08 22:07:07,158 INFO L280 TraceCheckUtils]: 35: Hoare triple {1968#(and (<= |id2_#t~ret1| 3) (<= 3 |id2_#t~ret1|))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1968#(and (<= |id2_#t~ret1| 3) (<= 3 |id2_#t~ret1|))} is VALID [2020-07-08 22:07:07,159 INFO L280 TraceCheckUtils]: 36: Hoare triple {1968#(and (<= |id2_#t~ret1| 3) (<= 3 |id2_#t~ret1|))} #res := 1 + #t~ret1; {1969#(and (<= |id2_#res| 4) (<= 4 |id2_#res|))} is VALID [2020-07-08 22:07:07,160 INFO L280 TraceCheckUtils]: 37: Hoare triple {1969#(and (<= |id2_#res| 4) (<= 4 |id2_#res|))} havoc #t~ret1; {1969#(and (<= |id2_#res| 4) (<= 4 |id2_#res|))} is VALID [2020-07-08 22:07:07,161 INFO L280 TraceCheckUtils]: 38: Hoare triple {1969#(and (<= |id2_#res| 4) (<= 4 |id2_#res|))} assume true; {1969#(and (<= |id2_#res| 4) (<= 4 |id2_#res|))} is VALID [2020-07-08 22:07:07,162 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {1969#(and (<= |id2_#res| 4) (<= 4 |id2_#res|))} {1849#true} #50#return; {1937#(and (<= 4 |id_#t~ret0|) (<= |id_#t~ret0| 4))} is VALID [2020-07-08 22:07:07,163 INFO L280 TraceCheckUtils]: 40: Hoare triple {1937#(and (<= 4 |id_#t~ret0|) (<= |id_#t~ret0| 4))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1937#(and (<= 4 |id_#t~ret0|) (<= |id_#t~ret0| 4))} is VALID [2020-07-08 22:07:07,164 INFO L280 TraceCheckUtils]: 41: Hoare triple {1937#(and (<= 4 |id_#t~ret0|) (<= |id_#t~ret0| 4))} #res := 1 + #t~ret0; {1938#(and (<= 5 |id_#res|) (<= |id_#res| 5))} is VALID [2020-07-08 22:07:07,164 INFO L280 TraceCheckUtils]: 42: Hoare triple {1938#(and (<= 5 |id_#res|) (<= |id_#res| 5))} havoc #t~ret0; {1938#(and (<= 5 |id_#res|) (<= |id_#res| 5))} is VALID [2020-07-08 22:07:07,165 INFO L280 TraceCheckUtils]: 43: Hoare triple {1938#(and (<= 5 |id_#res|) (<= |id_#res| 5))} assume true; {1938#(and (<= 5 |id_#res|) (<= |id_#res| 5))} is VALID [2020-07-08 22:07:07,166 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {1938#(and (<= 5 |id_#res|) (<= |id_#res| 5))} {1849#true} #48#return; {1898#(and (<= |main_#t~ret2| 5) (<= 5 |main_#t~ret2|))} is VALID [2020-07-08 22:07:07,169 INFO L263 TraceCheckUtils]: 0: Hoare triple {1849#true} call ULTIMATE.init(); {1849#true} is VALID [2020-07-08 22:07:07,170 INFO L280 TraceCheckUtils]: 1: Hoare triple {1849#true} assume true; {1849#true} is VALID [2020-07-08 22:07:07,170 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1849#true} {1849#true} #44#return; {1849#true} is VALID [2020-07-08 22:07:07,170 INFO L263 TraceCheckUtils]: 3: Hoare triple {1849#true} call #t~ret3 := main(); {1849#true} is VALID [2020-07-08 22:07:07,170 INFO L280 TraceCheckUtils]: 4: Hoare triple {1849#true} ~input~0 := 5; {1849#true} is VALID [2020-07-08 22:07:07,170 INFO L263 TraceCheckUtils]: 5: Hoare triple {1849#true} call #t~ret2 := id(~input~0); {1849#true} is VALID [2020-07-08 22:07:07,171 INFO L280 TraceCheckUtils]: 6: Hoare triple {1849#true} ~x := #in~x; {1849#true} is VALID [2020-07-08 22:07:07,171 INFO L280 TraceCheckUtils]: 7: Hoare triple {1849#true} assume !(0 == ~x); {1849#true} is VALID [2020-07-08 22:07:07,171 INFO L263 TraceCheckUtils]: 8: Hoare triple {1849#true} call #t~ret0 := id2(~x - 1); {1849#true} is VALID [2020-07-08 22:07:07,171 INFO L280 TraceCheckUtils]: 9: Hoare triple {1849#true} ~x := #in~x; {1849#true} is VALID [2020-07-08 22:07:07,171 INFO L280 TraceCheckUtils]: 10: Hoare triple {1849#true} assume !(0 == ~x); {1849#true} is VALID [2020-07-08 22:07:07,172 INFO L263 TraceCheckUtils]: 11: Hoare triple {1849#true} call #t~ret1 := id(~x - 1); {1849#true} is VALID [2020-07-08 22:07:07,172 INFO L280 TraceCheckUtils]: 12: Hoare triple {1849#true} ~x := #in~x; {1849#true} is VALID [2020-07-08 22:07:07,172 INFO L280 TraceCheckUtils]: 13: Hoare triple {1849#true} assume !(0 == ~x); {1849#true} is VALID [2020-07-08 22:07:07,172 INFO L263 TraceCheckUtils]: 14: Hoare triple {1849#true} call #t~ret0 := id2(~x - 1); {1849#true} is VALID [2020-07-08 22:07:07,172 INFO L280 TraceCheckUtils]: 15: Hoare triple {1849#true} ~x := #in~x; {1849#true} is VALID [2020-07-08 22:07:07,173 INFO L280 TraceCheckUtils]: 16: Hoare triple {1849#true} assume !(0 == ~x); {1849#true} is VALID [2020-07-08 22:07:07,173 INFO L263 TraceCheckUtils]: 17: Hoare triple {1849#true} call #t~ret1 := id(~x - 1); {1849#true} is VALID [2020-07-08 22:07:07,173 INFO L280 TraceCheckUtils]: 18: Hoare triple {1849#true} ~x := #in~x; {1849#true} is VALID [2020-07-08 22:07:07,173 INFO L280 TraceCheckUtils]: 19: Hoare triple {1849#true} assume !(0 == ~x); {1849#true} is VALID [2020-07-08 22:07:07,173 INFO L263 TraceCheckUtils]: 20: Hoare triple {1849#true} call #t~ret0 := id2(~x - 1); {1849#true} is VALID [2020-07-08 22:07:07,174 INFO L280 TraceCheckUtils]: 21: Hoare triple {1849#true} ~x := #in~x; {1849#true} is VALID [2020-07-08 22:07:07,174 INFO L280 TraceCheckUtils]: 22: Hoare triple {1849#true} assume 0 == ~x; {1849#true} is VALID [2020-07-08 22:07:07,175 INFO L280 TraceCheckUtils]: 23: Hoare triple {1849#true} #res := 0; {2015#(= 0 |id2_#res|)} is VALID [2020-07-08 22:07:07,175 INFO L280 TraceCheckUtils]: 24: Hoare triple {2015#(= 0 |id2_#res|)} assume true; {2015#(= 0 |id2_#res|)} is VALID [2020-07-08 22:07:07,176 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {2015#(= 0 |id2_#res|)} {1849#true} #50#return; {2013#(= 0 |id_#t~ret0|)} is VALID [2020-07-08 22:07:07,177 INFO L280 TraceCheckUtils]: 26: Hoare triple {2013#(= 0 |id_#t~ret0|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2013#(= 0 |id_#t~ret0|)} is VALID [2020-07-08 22:07:07,178 INFO L280 TraceCheckUtils]: 27: Hoare triple {2013#(= 0 |id_#t~ret0|)} #res := 1 + #t~ret0; {2014#(and (<= 1 |id_#res|) (<= |id_#res| 1))} is VALID [2020-07-08 22:07:07,178 INFO L280 TraceCheckUtils]: 28: Hoare triple {2014#(and (<= 1 |id_#res|) (<= |id_#res| 1))} havoc #t~ret0; {2014#(and (<= 1 |id_#res|) (<= |id_#res| 1))} is VALID [2020-07-08 22:07:07,179 INFO L280 TraceCheckUtils]: 29: Hoare triple {2014#(and (<= 1 |id_#res|) (<= |id_#res| 1))} assume true; {2014#(and (<= 1 |id_#res|) (<= |id_#res| 1))} is VALID [2020-07-08 22:07:07,183 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {2014#(and (<= 1 |id_#res|) (<= |id_#res| 1))} {1849#true} #42#return; {2006#(and (<= 1 |id2_#t~ret1|) (<= |id2_#t~ret1| 1))} is VALID [2020-07-08 22:07:07,186 INFO L280 TraceCheckUtils]: 31: Hoare triple {2006#(and (<= 1 |id2_#t~ret1|) (<= |id2_#t~ret1| 1))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2006#(and (<= 1 |id2_#t~ret1|) (<= |id2_#t~ret1| 1))} is VALID [2020-07-08 22:07:07,187 INFO L280 TraceCheckUtils]: 32: Hoare triple {2006#(and (<= 1 |id2_#t~ret1|) (<= |id2_#t~ret1| 1))} #res := 1 + #t~ret1; {2007#(and (<= 2 |id2_#res|) (<= |id2_#res| 2))} is VALID [2020-07-08 22:07:07,188 INFO L280 TraceCheckUtils]: 33: Hoare triple {2007#(and (<= 2 |id2_#res|) (<= |id2_#res| 2))} havoc #t~ret1; {2007#(and (<= 2 |id2_#res|) (<= |id2_#res| 2))} is VALID [2020-07-08 22:07:07,188 INFO L280 TraceCheckUtils]: 34: Hoare triple {2007#(and (<= 2 |id2_#res|) (<= |id2_#res| 2))} assume true; {2007#(and (<= 2 |id2_#res|) (<= |id2_#res| 2))} is VALID [2020-07-08 22:07:07,189 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {2007#(and (<= 2 |id2_#res|) (<= |id2_#res| 2))} {1849#true} #50#return; {1991#(and (<= |id_#t~ret0| 2) (<= 2 |id_#t~ret0|))} is VALID [2020-07-08 22:07:07,190 INFO L280 TraceCheckUtils]: 36: Hoare triple {1991#(and (<= |id_#t~ret0| 2) (<= 2 |id_#t~ret0|))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1991#(and (<= |id_#t~ret0| 2) (<= 2 |id_#t~ret0|))} is VALID [2020-07-08 22:07:07,191 INFO L280 TraceCheckUtils]: 37: Hoare triple {1991#(and (<= |id_#t~ret0| 2) (<= 2 |id_#t~ret0|))} #res := 1 + #t~ret0; {1992#(and (<= |id_#res| 3) (<= 3 |id_#res|))} is VALID [2020-07-08 22:07:07,192 INFO L280 TraceCheckUtils]: 38: Hoare triple {1992#(and (<= |id_#res| 3) (<= 3 |id_#res|))} havoc #t~ret0; {1992#(and (<= |id_#res| 3) (<= 3 |id_#res|))} is VALID [2020-07-08 22:07:07,192 INFO L280 TraceCheckUtils]: 39: Hoare triple {1992#(and (<= |id_#res| 3) (<= 3 |id_#res|))} assume true; {1992#(and (<= |id_#res| 3) (<= 3 |id_#res|))} is VALID [2020-07-08 22:07:07,194 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {1992#(and (<= |id_#res| 3) (<= 3 |id_#res|))} {1849#true} #42#return; {1968#(and (<= |id2_#t~ret1| 3) (<= 3 |id2_#t~ret1|))} is VALID [2020-07-08 22:07:07,194 INFO L280 TraceCheckUtils]: 41: Hoare triple {1968#(and (<= |id2_#t~ret1| 3) (<= 3 |id2_#t~ret1|))} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1968#(and (<= |id2_#t~ret1| 3) (<= 3 |id2_#t~ret1|))} is VALID [2020-07-08 22:07:07,196 INFO L280 TraceCheckUtils]: 42: Hoare triple {1968#(and (<= |id2_#t~ret1| 3) (<= 3 |id2_#t~ret1|))} #res := 1 + #t~ret1; {1969#(and (<= |id2_#res| 4) (<= 4 |id2_#res|))} is VALID [2020-07-08 22:07:07,196 INFO L280 TraceCheckUtils]: 43: Hoare triple {1969#(and (<= |id2_#res| 4) (<= 4 |id2_#res|))} havoc #t~ret1; {1969#(and (<= |id2_#res| 4) (<= 4 |id2_#res|))} is VALID [2020-07-08 22:07:07,197 INFO L280 TraceCheckUtils]: 44: Hoare triple {1969#(and (<= |id2_#res| 4) (<= 4 |id2_#res|))} assume true; {1969#(and (<= |id2_#res| 4) (<= 4 |id2_#res|))} is VALID [2020-07-08 22:07:07,198 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {1969#(and (<= |id2_#res| 4) (<= 4 |id2_#res|))} {1849#true} #50#return; {1937#(and (<= 4 |id_#t~ret0|) (<= |id_#t~ret0| 4))} is VALID [2020-07-08 22:07:07,199 INFO L280 TraceCheckUtils]: 46: Hoare triple {1937#(and (<= 4 |id_#t~ret0|) (<= |id_#t~ret0| 4))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1937#(and (<= 4 |id_#t~ret0|) (<= |id_#t~ret0| 4))} is VALID [2020-07-08 22:07:07,200 INFO L280 TraceCheckUtils]: 47: Hoare triple {1937#(and (<= 4 |id_#t~ret0|) (<= |id_#t~ret0| 4))} #res := 1 + #t~ret0; {1938#(and (<= 5 |id_#res|) (<= |id_#res| 5))} is VALID [2020-07-08 22:07:07,201 INFO L280 TraceCheckUtils]: 48: Hoare triple {1938#(and (<= 5 |id_#res|) (<= |id_#res| 5))} havoc #t~ret0; {1938#(and (<= 5 |id_#res|) (<= |id_#res| 5))} is VALID [2020-07-08 22:07:07,201 INFO L280 TraceCheckUtils]: 49: Hoare triple {1938#(and (<= 5 |id_#res|) (<= |id_#res| 5))} assume true; {1938#(and (<= 5 |id_#res|) (<= |id_#res| 5))} is VALID [2020-07-08 22:07:07,202 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {1938#(and (<= 5 |id_#res|) (<= |id_#res| 5))} {1849#true} #48#return; {1898#(and (<= |main_#t~ret2| 5) (<= 5 |main_#t~ret2|))} is VALID [2020-07-08 22:07:07,203 INFO L280 TraceCheckUtils]: 51: Hoare triple {1898#(and (<= |main_#t~ret2| 5) (<= 5 |main_#t~ret2|))} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1898#(and (<= |main_#t~ret2| 5) (<= 5 |main_#t~ret2|))} is VALID [2020-07-08 22:07:07,204 INFO L280 TraceCheckUtils]: 52: Hoare triple {1898#(and (<= |main_#t~ret2| 5) (<= 5 |main_#t~ret2|))} ~result~0 := #t~ret2; {1899#(and (< 4 main_~result~0) (<= main_~result~0 5))} is VALID [2020-07-08 22:07:07,205 INFO L280 TraceCheckUtils]: 53: Hoare triple {1899#(and (< 4 main_~result~0) (<= main_~result~0 5))} havoc #t~ret2; {1899#(and (< 4 main_~result~0) (<= main_~result~0 5))} is VALID [2020-07-08 22:07:07,205 INFO L280 TraceCheckUtils]: 54: Hoare triple {1899#(and (< 4 main_~result~0) (<= main_~result~0 5))} assume 5 != ~result~0; {1850#false} is VALID [2020-07-08 22:07:07,206 INFO L280 TraceCheckUtils]: 55: Hoare triple {1850#false} assume !false; {1850#false} is VALID [2020-07-08 22:07:07,220 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-07-08 22:07:07,221 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [474154672] [2020-07-08 22:07:07,221 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 22:07:07,221 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-07-08 22:07:07,221 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912241422] [2020-07-08 22:07:07,222 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 56 [2020-07-08 22:07:07,222 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:07:07,222 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states. [2020-07-08 22:07:07,286 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 22:07:07,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-08 22:07:07,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:07:07,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-08 22:07:07,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2020-07-08 22:07:07,288 INFO L87 Difference]: Start difference. First operand 52 states and 54 transitions. Second operand 15 states. [2020-07-08 22:07:08,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:07:08,439 INFO L93 Difference]: Finished difference Result 85 states and 87 transitions. [2020-07-08 22:07:08,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-08 22:07:08,439 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 56 [2020-07-08 22:07:08,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:07:08,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-08 22:07:08,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 65 transitions. [2020-07-08 22:07:08,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-08 22:07:08,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 65 transitions. [2020-07-08 22:07:08,444 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 21 states and 65 transitions. [2020-07-08 22:07:08,517 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:07:08,520 INFO L225 Difference]: With dead ends: 85 [2020-07-08 22:07:08,520 INFO L226 Difference]: Without dead ends: 79 [2020-07-08 22:07:08,521 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2020-07-08 22:07:08,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-07-08 22:07:08,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 57. [2020-07-08 22:07:08,653 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:07:08,653 INFO L82 GeneralOperation]: Start isEquivalent. First operand 79 states. Second operand 57 states. [2020-07-08 22:07:08,653 INFO L74 IsIncluded]: Start isIncluded. First operand 79 states. Second operand 57 states. [2020-07-08 22:07:08,654 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 57 states. [2020-07-08 22:07:08,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:07:08,659 INFO L93 Difference]: Finished difference Result 79 states and 81 transitions. [2020-07-08 22:07:08,659 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 81 transitions. [2020-07-08 22:07:08,660 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:07:08,660 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:07:08,660 INFO L74 IsIncluded]: Start isIncluded. First operand 57 states. Second operand 79 states. [2020-07-08 22:07:08,660 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 79 states. [2020-07-08 22:07:08,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:07:08,664 INFO L93 Difference]: Finished difference Result 79 states and 81 transitions. [2020-07-08 22:07:08,664 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 81 transitions. [2020-07-08 22:07:08,665 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:07:08,665 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:07:08,665 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:07:08,665 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:07:08,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-07-08 22:07:08,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2020-07-08 22:07:08,668 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 56 [2020-07-08 22:07:08,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:07:08,668 INFO L479 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2020-07-08 22:07:08,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-08 22:07:08,669 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 57 states and 59 transitions. [2020-07-08 22:07:08,770 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 59 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:07:08,770 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2020-07-08 22:07:08,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-08 22:07:08,771 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:07:08,771 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:07:08,771 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-08 22:07:08,772 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:07:08,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:07:08,772 INFO L82 PathProgramCache]: Analyzing trace with hash -996081148, now seen corresponding path program 3 times [2020-07-08 22:07:08,772 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:07:08,773 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1499732170] [2020-07-08 22:07:08,773 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:07:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:08,815 INFO L280 TraceCheckUtils]: 0: Hoare triple {2472#true} assume true; {2472#true} is VALID [2020-07-08 22:07:08,816 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2472#true} {2472#true} #44#return; {2472#true} is VALID [2020-07-08 22:07:08,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:08,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:08,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:09,013 INFO L280 TraceCheckUtils]: 0: Hoare triple {2472#true} ~x := #in~x; {2530#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:09,014 INFO L280 TraceCheckUtils]: 1: Hoare triple {2530#(= |id_#in~x| id_~x)} assume 0 == ~x; {2688#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:09,015 INFO L280 TraceCheckUtils]: 2: Hoare triple {2688#(= 0 |id_#in~x|)} #res := 0; {2688#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:09,016 INFO L280 TraceCheckUtils]: 3: Hoare triple {2688#(= 0 |id_#in~x|)} assume true; {2688#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:09,016 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2688#(= 0 |id_#in~x|)} {2577#(= id2_~x |id2_#in~x|)} #42#return; {2687#(<= 1 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,017 INFO L280 TraceCheckUtils]: 0: Hoare triple {2472#true} ~x := #in~x; {2577#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:09,017 INFO L280 TraceCheckUtils]: 1: Hoare triple {2577#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {2577#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:09,018 INFO L263 TraceCheckUtils]: 2: Hoare triple {2577#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {2472#true} is VALID [2020-07-08 22:07:09,023 INFO L280 TraceCheckUtils]: 3: Hoare triple {2472#true} ~x := #in~x; {2530#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:09,024 INFO L280 TraceCheckUtils]: 4: Hoare triple {2530#(= |id_#in~x| id_~x)} assume 0 == ~x; {2688#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:09,025 INFO L280 TraceCheckUtils]: 5: Hoare triple {2688#(= 0 |id_#in~x|)} #res := 0; {2688#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:09,025 INFO L280 TraceCheckUtils]: 6: Hoare triple {2688#(= 0 |id_#in~x|)} assume true; {2688#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:09,026 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {2688#(= 0 |id_#in~x|)} {2577#(= id2_~x |id2_#in~x|)} #42#return; {2687#(<= 1 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,027 INFO L280 TraceCheckUtils]: 8: Hoare triple {2687#(<= 1 |id2_#in~x|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2687#(<= 1 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,027 INFO L280 TraceCheckUtils]: 9: Hoare triple {2687#(<= 1 |id2_#in~x|)} #res := 1 + #t~ret1; {2687#(<= 1 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,027 INFO L280 TraceCheckUtils]: 10: Hoare triple {2687#(<= 1 |id2_#in~x|)} havoc #t~ret1; {2687#(<= 1 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,031 INFO L280 TraceCheckUtils]: 11: Hoare triple {2687#(<= 1 |id2_#in~x|)} assume true; {2687#(<= 1 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,035 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {2687#(<= 1 |id2_#in~x|)} {2530#(= |id_#in~x| id_~x)} #50#return; {2681#(<= 2 |id_#in~x|)} is VALID [2020-07-08 22:07:09,036 INFO L280 TraceCheckUtils]: 0: Hoare triple {2472#true} ~x := #in~x; {2530#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:09,037 INFO L280 TraceCheckUtils]: 1: Hoare triple {2530#(= |id_#in~x| id_~x)} assume !(0 == ~x); {2530#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:09,037 INFO L263 TraceCheckUtils]: 2: Hoare triple {2530#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {2472#true} is VALID [2020-07-08 22:07:09,038 INFO L280 TraceCheckUtils]: 3: Hoare triple {2472#true} ~x := #in~x; {2577#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:09,039 INFO L280 TraceCheckUtils]: 4: Hoare triple {2577#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {2577#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:09,039 INFO L263 TraceCheckUtils]: 5: Hoare triple {2577#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {2472#true} is VALID [2020-07-08 22:07:09,040 INFO L280 TraceCheckUtils]: 6: Hoare triple {2472#true} ~x := #in~x; {2530#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:09,040 INFO L280 TraceCheckUtils]: 7: Hoare triple {2530#(= |id_#in~x| id_~x)} assume 0 == ~x; {2688#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:09,041 INFO L280 TraceCheckUtils]: 8: Hoare triple {2688#(= 0 |id_#in~x|)} #res := 0; {2688#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:09,041 INFO L280 TraceCheckUtils]: 9: Hoare triple {2688#(= 0 |id_#in~x|)} assume true; {2688#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:09,042 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {2688#(= 0 |id_#in~x|)} {2577#(= id2_~x |id2_#in~x|)} #42#return; {2687#(<= 1 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,043 INFO L280 TraceCheckUtils]: 11: Hoare triple {2687#(<= 1 |id2_#in~x|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2687#(<= 1 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,044 INFO L280 TraceCheckUtils]: 12: Hoare triple {2687#(<= 1 |id2_#in~x|)} #res := 1 + #t~ret1; {2687#(<= 1 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,044 INFO L280 TraceCheckUtils]: 13: Hoare triple {2687#(<= 1 |id2_#in~x|)} havoc #t~ret1; {2687#(<= 1 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,045 INFO L280 TraceCheckUtils]: 14: Hoare triple {2687#(<= 1 |id2_#in~x|)} assume true; {2687#(<= 1 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,046 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {2687#(<= 1 |id2_#in~x|)} {2530#(= |id_#in~x| id_~x)} #50#return; {2681#(<= 2 |id_#in~x|)} is VALID [2020-07-08 22:07:09,047 INFO L280 TraceCheckUtils]: 16: Hoare triple {2681#(<= 2 |id_#in~x|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2681#(<= 2 |id_#in~x|)} is VALID [2020-07-08 22:07:09,047 INFO L280 TraceCheckUtils]: 17: Hoare triple {2681#(<= 2 |id_#in~x|)} #res := 1 + #t~ret0; {2681#(<= 2 |id_#in~x|)} is VALID [2020-07-08 22:07:09,048 INFO L280 TraceCheckUtils]: 18: Hoare triple {2681#(<= 2 |id_#in~x|)} havoc #t~ret0; {2681#(<= 2 |id_#in~x|)} is VALID [2020-07-08 22:07:09,048 INFO L280 TraceCheckUtils]: 19: Hoare triple {2681#(<= 2 |id_#in~x|)} assume true; {2681#(<= 2 |id_#in~x|)} is VALID [2020-07-08 22:07:09,050 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {2681#(<= 2 |id_#in~x|)} {2577#(= id2_~x |id2_#in~x|)} #42#return; {2667#(<= 3 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,051 INFO L280 TraceCheckUtils]: 0: Hoare triple {2472#true} ~x := #in~x; {2577#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:09,051 INFO L280 TraceCheckUtils]: 1: Hoare triple {2577#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {2577#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:09,052 INFO L263 TraceCheckUtils]: 2: Hoare triple {2577#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {2472#true} is VALID [2020-07-08 22:07:09,052 INFO L280 TraceCheckUtils]: 3: Hoare triple {2472#true} ~x := #in~x; {2530#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:09,053 INFO L280 TraceCheckUtils]: 4: Hoare triple {2530#(= |id_#in~x| id_~x)} assume !(0 == ~x); {2530#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:09,053 INFO L263 TraceCheckUtils]: 5: Hoare triple {2530#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {2472#true} is VALID [2020-07-08 22:07:09,053 INFO L280 TraceCheckUtils]: 6: Hoare triple {2472#true} ~x := #in~x; {2577#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:09,054 INFO L280 TraceCheckUtils]: 7: Hoare triple {2577#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {2577#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:09,054 INFO L263 TraceCheckUtils]: 8: Hoare triple {2577#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {2472#true} is VALID [2020-07-08 22:07:09,054 INFO L280 TraceCheckUtils]: 9: Hoare triple {2472#true} ~x := #in~x; {2530#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:09,055 INFO L280 TraceCheckUtils]: 10: Hoare triple {2530#(= |id_#in~x| id_~x)} assume 0 == ~x; {2688#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:09,055 INFO L280 TraceCheckUtils]: 11: Hoare triple {2688#(= 0 |id_#in~x|)} #res := 0; {2688#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:09,055 INFO L280 TraceCheckUtils]: 12: Hoare triple {2688#(= 0 |id_#in~x|)} assume true; {2688#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:09,056 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {2688#(= 0 |id_#in~x|)} {2577#(= id2_~x |id2_#in~x|)} #42#return; {2687#(<= 1 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,056 INFO L280 TraceCheckUtils]: 14: Hoare triple {2687#(<= 1 |id2_#in~x|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2687#(<= 1 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,057 INFO L280 TraceCheckUtils]: 15: Hoare triple {2687#(<= 1 |id2_#in~x|)} #res := 1 + #t~ret1; {2687#(<= 1 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,057 INFO L280 TraceCheckUtils]: 16: Hoare triple {2687#(<= 1 |id2_#in~x|)} havoc #t~ret1; {2687#(<= 1 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,058 INFO L280 TraceCheckUtils]: 17: Hoare triple {2687#(<= 1 |id2_#in~x|)} assume true; {2687#(<= 1 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,059 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {2687#(<= 1 |id2_#in~x|)} {2530#(= |id_#in~x| id_~x)} #50#return; {2681#(<= 2 |id_#in~x|)} is VALID [2020-07-08 22:07:09,059 INFO L280 TraceCheckUtils]: 19: Hoare triple {2681#(<= 2 |id_#in~x|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2681#(<= 2 |id_#in~x|)} is VALID [2020-07-08 22:07:09,060 INFO L280 TraceCheckUtils]: 20: Hoare triple {2681#(<= 2 |id_#in~x|)} #res := 1 + #t~ret0; {2681#(<= 2 |id_#in~x|)} is VALID [2020-07-08 22:07:09,060 INFO L280 TraceCheckUtils]: 21: Hoare triple {2681#(<= 2 |id_#in~x|)} havoc #t~ret0; {2681#(<= 2 |id_#in~x|)} is VALID [2020-07-08 22:07:09,061 INFO L280 TraceCheckUtils]: 22: Hoare triple {2681#(<= 2 |id_#in~x|)} assume true; {2681#(<= 2 |id_#in~x|)} is VALID [2020-07-08 22:07:09,062 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {2681#(<= 2 |id_#in~x|)} {2577#(= id2_~x |id2_#in~x|)} #42#return; {2667#(<= 3 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,062 INFO L280 TraceCheckUtils]: 24: Hoare triple {2667#(<= 3 |id2_#in~x|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2667#(<= 3 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,063 INFO L280 TraceCheckUtils]: 25: Hoare triple {2667#(<= 3 |id2_#in~x|)} #res := 1 + #t~ret1; {2667#(<= 3 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,063 INFO L280 TraceCheckUtils]: 26: Hoare triple {2667#(<= 3 |id2_#in~x|)} havoc #t~ret1; {2667#(<= 3 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,063 INFO L280 TraceCheckUtils]: 27: Hoare triple {2667#(<= 3 |id2_#in~x|)} assume true; {2667#(<= 3 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,065 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {2667#(<= 3 |id2_#in~x|)} {2530#(= |id_#in~x| id_~x)} #50#return; {2645#(<= 4 |id_#in~x|)} is VALID [2020-07-08 22:07:09,068 INFO L280 TraceCheckUtils]: 0: Hoare triple {2472#true} ~x := #in~x; {2530#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:09,075 INFO L280 TraceCheckUtils]: 1: Hoare triple {2530#(= |id_#in~x| id_~x)} assume !(0 == ~x); {2530#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:09,076 INFO L263 TraceCheckUtils]: 2: Hoare triple {2530#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {2472#true} is VALID [2020-07-08 22:07:09,076 INFO L280 TraceCheckUtils]: 3: Hoare triple {2472#true} ~x := #in~x; {2577#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:09,077 INFO L280 TraceCheckUtils]: 4: Hoare triple {2577#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {2577#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:09,077 INFO L263 TraceCheckUtils]: 5: Hoare triple {2577#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {2472#true} is VALID [2020-07-08 22:07:09,081 INFO L280 TraceCheckUtils]: 6: Hoare triple {2472#true} ~x := #in~x; {2530#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:09,082 INFO L280 TraceCheckUtils]: 7: Hoare triple {2530#(= |id_#in~x| id_~x)} assume !(0 == ~x); {2530#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:09,082 INFO L263 TraceCheckUtils]: 8: Hoare triple {2530#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {2472#true} is VALID [2020-07-08 22:07:09,082 INFO L280 TraceCheckUtils]: 9: Hoare triple {2472#true} ~x := #in~x; {2577#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:09,083 INFO L280 TraceCheckUtils]: 10: Hoare triple {2577#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {2577#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:09,083 INFO L263 TraceCheckUtils]: 11: Hoare triple {2577#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {2472#true} is VALID [2020-07-08 22:07:09,084 INFO L280 TraceCheckUtils]: 12: Hoare triple {2472#true} ~x := #in~x; {2530#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:09,084 INFO L280 TraceCheckUtils]: 13: Hoare triple {2530#(= |id_#in~x| id_~x)} assume 0 == ~x; {2688#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:09,085 INFO L280 TraceCheckUtils]: 14: Hoare triple {2688#(= 0 |id_#in~x|)} #res := 0; {2688#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:09,086 INFO L280 TraceCheckUtils]: 15: Hoare triple {2688#(= 0 |id_#in~x|)} assume true; {2688#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:09,087 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {2688#(= 0 |id_#in~x|)} {2577#(= id2_~x |id2_#in~x|)} #42#return; {2687#(<= 1 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,087 INFO L280 TraceCheckUtils]: 17: Hoare triple {2687#(<= 1 |id2_#in~x|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2687#(<= 1 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,088 INFO L280 TraceCheckUtils]: 18: Hoare triple {2687#(<= 1 |id2_#in~x|)} #res := 1 + #t~ret1; {2687#(<= 1 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,088 INFO L280 TraceCheckUtils]: 19: Hoare triple {2687#(<= 1 |id2_#in~x|)} havoc #t~ret1; {2687#(<= 1 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,089 INFO L280 TraceCheckUtils]: 20: Hoare triple {2687#(<= 1 |id2_#in~x|)} assume true; {2687#(<= 1 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,090 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {2687#(<= 1 |id2_#in~x|)} {2530#(= |id_#in~x| id_~x)} #50#return; {2681#(<= 2 |id_#in~x|)} is VALID [2020-07-08 22:07:09,091 INFO L280 TraceCheckUtils]: 22: Hoare triple {2681#(<= 2 |id_#in~x|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2681#(<= 2 |id_#in~x|)} is VALID [2020-07-08 22:07:09,091 INFO L280 TraceCheckUtils]: 23: Hoare triple {2681#(<= 2 |id_#in~x|)} #res := 1 + #t~ret0; {2681#(<= 2 |id_#in~x|)} is VALID [2020-07-08 22:07:09,092 INFO L280 TraceCheckUtils]: 24: Hoare triple {2681#(<= 2 |id_#in~x|)} havoc #t~ret0; {2681#(<= 2 |id_#in~x|)} is VALID [2020-07-08 22:07:09,092 INFO L280 TraceCheckUtils]: 25: Hoare triple {2681#(<= 2 |id_#in~x|)} assume true; {2681#(<= 2 |id_#in~x|)} is VALID [2020-07-08 22:07:09,093 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {2681#(<= 2 |id_#in~x|)} {2577#(= id2_~x |id2_#in~x|)} #42#return; {2667#(<= 3 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,094 INFO L280 TraceCheckUtils]: 27: Hoare triple {2667#(<= 3 |id2_#in~x|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2667#(<= 3 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,094 INFO L280 TraceCheckUtils]: 28: Hoare triple {2667#(<= 3 |id2_#in~x|)} #res := 1 + #t~ret1; {2667#(<= 3 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,095 INFO L280 TraceCheckUtils]: 29: Hoare triple {2667#(<= 3 |id2_#in~x|)} havoc #t~ret1; {2667#(<= 3 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,095 INFO L280 TraceCheckUtils]: 30: Hoare triple {2667#(<= 3 |id2_#in~x|)} assume true; {2667#(<= 3 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,097 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {2667#(<= 3 |id2_#in~x|)} {2530#(= |id_#in~x| id_~x)} #50#return; {2645#(<= 4 |id_#in~x|)} is VALID [2020-07-08 22:07:09,097 INFO L280 TraceCheckUtils]: 32: Hoare triple {2645#(<= 4 |id_#in~x|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2645#(<= 4 |id_#in~x|)} is VALID [2020-07-08 22:07:09,098 INFO L280 TraceCheckUtils]: 33: Hoare triple {2645#(<= 4 |id_#in~x|)} #res := 1 + #t~ret0; {2645#(<= 4 |id_#in~x|)} is VALID [2020-07-08 22:07:09,098 INFO L280 TraceCheckUtils]: 34: Hoare triple {2645#(<= 4 |id_#in~x|)} havoc #t~ret0; {2645#(<= 4 |id_#in~x|)} is VALID [2020-07-08 22:07:09,099 INFO L280 TraceCheckUtils]: 35: Hoare triple {2645#(<= 4 |id_#in~x|)} assume true; {2645#(<= 4 |id_#in~x|)} is VALID [2020-07-08 22:07:09,100 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {2645#(<= 4 |id_#in~x|)} {2577#(= id2_~x |id2_#in~x|)} #42#return; {2615#(<= 5 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,102 INFO L280 TraceCheckUtils]: 0: Hoare triple {2472#true} ~x := #in~x; {2577#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:09,103 INFO L280 TraceCheckUtils]: 1: Hoare triple {2577#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {2577#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:09,103 INFO L263 TraceCheckUtils]: 2: Hoare triple {2577#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {2472#true} is VALID [2020-07-08 22:07:09,104 INFO L280 TraceCheckUtils]: 3: Hoare triple {2472#true} ~x := #in~x; {2530#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:09,104 INFO L280 TraceCheckUtils]: 4: Hoare triple {2530#(= |id_#in~x| id_~x)} assume !(0 == ~x); {2530#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:09,105 INFO L263 TraceCheckUtils]: 5: Hoare triple {2530#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {2472#true} is VALID [2020-07-08 22:07:09,105 INFO L280 TraceCheckUtils]: 6: Hoare triple {2472#true} ~x := #in~x; {2577#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:09,106 INFO L280 TraceCheckUtils]: 7: Hoare triple {2577#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {2577#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:09,106 INFO L263 TraceCheckUtils]: 8: Hoare triple {2577#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {2472#true} is VALID [2020-07-08 22:07:09,106 INFO L280 TraceCheckUtils]: 9: Hoare triple {2472#true} ~x := #in~x; {2530#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:09,107 INFO L280 TraceCheckUtils]: 10: Hoare triple {2530#(= |id_#in~x| id_~x)} assume !(0 == ~x); {2530#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:09,107 INFO L263 TraceCheckUtils]: 11: Hoare triple {2530#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {2472#true} is VALID [2020-07-08 22:07:09,108 INFO L280 TraceCheckUtils]: 12: Hoare triple {2472#true} ~x := #in~x; {2577#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:09,108 INFO L280 TraceCheckUtils]: 13: Hoare triple {2577#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {2577#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:09,108 INFO L263 TraceCheckUtils]: 14: Hoare triple {2577#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {2472#true} is VALID [2020-07-08 22:07:09,109 INFO L280 TraceCheckUtils]: 15: Hoare triple {2472#true} ~x := #in~x; {2530#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:09,110 INFO L280 TraceCheckUtils]: 16: Hoare triple {2530#(= |id_#in~x| id_~x)} assume 0 == ~x; {2688#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:09,110 INFO L280 TraceCheckUtils]: 17: Hoare triple {2688#(= 0 |id_#in~x|)} #res := 0; {2688#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:09,111 INFO L280 TraceCheckUtils]: 18: Hoare triple {2688#(= 0 |id_#in~x|)} assume true; {2688#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:09,112 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {2688#(= 0 |id_#in~x|)} {2577#(= id2_~x |id2_#in~x|)} #42#return; {2687#(<= 1 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,112 INFO L280 TraceCheckUtils]: 20: Hoare triple {2687#(<= 1 |id2_#in~x|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2687#(<= 1 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,113 INFO L280 TraceCheckUtils]: 21: Hoare triple {2687#(<= 1 |id2_#in~x|)} #res := 1 + #t~ret1; {2687#(<= 1 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,113 INFO L280 TraceCheckUtils]: 22: Hoare triple {2687#(<= 1 |id2_#in~x|)} havoc #t~ret1; {2687#(<= 1 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,114 INFO L280 TraceCheckUtils]: 23: Hoare triple {2687#(<= 1 |id2_#in~x|)} assume true; {2687#(<= 1 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,115 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {2687#(<= 1 |id2_#in~x|)} {2530#(= |id_#in~x| id_~x)} #50#return; {2681#(<= 2 |id_#in~x|)} is VALID [2020-07-08 22:07:09,115 INFO L280 TraceCheckUtils]: 25: Hoare triple {2681#(<= 2 |id_#in~x|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2681#(<= 2 |id_#in~x|)} is VALID [2020-07-08 22:07:09,116 INFO L280 TraceCheckUtils]: 26: Hoare triple {2681#(<= 2 |id_#in~x|)} #res := 1 + #t~ret0; {2681#(<= 2 |id_#in~x|)} is VALID [2020-07-08 22:07:09,116 INFO L280 TraceCheckUtils]: 27: Hoare triple {2681#(<= 2 |id_#in~x|)} havoc #t~ret0; {2681#(<= 2 |id_#in~x|)} is VALID [2020-07-08 22:07:09,117 INFO L280 TraceCheckUtils]: 28: Hoare triple {2681#(<= 2 |id_#in~x|)} assume true; {2681#(<= 2 |id_#in~x|)} is VALID [2020-07-08 22:07:09,118 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {2681#(<= 2 |id_#in~x|)} {2577#(= id2_~x |id2_#in~x|)} #42#return; {2667#(<= 3 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,119 INFO L280 TraceCheckUtils]: 30: Hoare triple {2667#(<= 3 |id2_#in~x|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2667#(<= 3 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,119 INFO L280 TraceCheckUtils]: 31: Hoare triple {2667#(<= 3 |id2_#in~x|)} #res := 1 + #t~ret1; {2667#(<= 3 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,120 INFO L280 TraceCheckUtils]: 32: Hoare triple {2667#(<= 3 |id2_#in~x|)} havoc #t~ret1; {2667#(<= 3 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,121 INFO L280 TraceCheckUtils]: 33: Hoare triple {2667#(<= 3 |id2_#in~x|)} assume true; {2667#(<= 3 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,122 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {2667#(<= 3 |id2_#in~x|)} {2530#(= |id_#in~x| id_~x)} #50#return; {2645#(<= 4 |id_#in~x|)} is VALID [2020-07-08 22:07:09,122 INFO L280 TraceCheckUtils]: 35: Hoare triple {2645#(<= 4 |id_#in~x|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2645#(<= 4 |id_#in~x|)} is VALID [2020-07-08 22:07:09,123 INFO L280 TraceCheckUtils]: 36: Hoare triple {2645#(<= 4 |id_#in~x|)} #res := 1 + #t~ret0; {2645#(<= 4 |id_#in~x|)} is VALID [2020-07-08 22:07:09,124 INFO L280 TraceCheckUtils]: 37: Hoare triple {2645#(<= 4 |id_#in~x|)} havoc #t~ret0; {2645#(<= 4 |id_#in~x|)} is VALID [2020-07-08 22:07:09,124 INFO L280 TraceCheckUtils]: 38: Hoare triple {2645#(<= 4 |id_#in~x|)} assume true; {2645#(<= 4 |id_#in~x|)} is VALID [2020-07-08 22:07:09,125 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {2645#(<= 4 |id_#in~x|)} {2577#(= id2_~x |id2_#in~x|)} #42#return; {2615#(<= 5 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,126 INFO L280 TraceCheckUtils]: 40: Hoare triple {2615#(<= 5 |id2_#in~x|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2615#(<= 5 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,126 INFO L280 TraceCheckUtils]: 41: Hoare triple {2615#(<= 5 |id2_#in~x|)} #res := 1 + #t~ret1; {2615#(<= 5 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,127 INFO L280 TraceCheckUtils]: 42: Hoare triple {2615#(<= 5 |id2_#in~x|)} havoc #t~ret1; {2615#(<= 5 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,127 INFO L280 TraceCheckUtils]: 43: Hoare triple {2615#(<= 5 |id2_#in~x|)} assume true; {2615#(<= 5 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,128 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {2615#(<= 5 |id2_#in~x|)} {2530#(= |id_#in~x| id_~x)} #50#return; {2576#(<= 6 |id_#in~x|)} is VALID [2020-07-08 22:07:09,131 INFO L280 TraceCheckUtils]: 0: Hoare triple {2472#true} ~x := #in~x; {2530#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:09,132 INFO L280 TraceCheckUtils]: 1: Hoare triple {2530#(= |id_#in~x| id_~x)} assume !(0 == ~x); {2530#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:09,132 INFO L263 TraceCheckUtils]: 2: Hoare triple {2530#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {2472#true} is VALID [2020-07-08 22:07:09,132 INFO L280 TraceCheckUtils]: 3: Hoare triple {2472#true} ~x := #in~x; {2577#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:09,133 INFO L280 TraceCheckUtils]: 4: Hoare triple {2577#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {2577#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:09,133 INFO L263 TraceCheckUtils]: 5: Hoare triple {2577#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {2472#true} is VALID [2020-07-08 22:07:09,134 INFO L280 TraceCheckUtils]: 6: Hoare triple {2472#true} ~x := #in~x; {2530#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:09,134 INFO L280 TraceCheckUtils]: 7: Hoare triple {2530#(= |id_#in~x| id_~x)} assume !(0 == ~x); {2530#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:09,134 INFO L263 TraceCheckUtils]: 8: Hoare triple {2530#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {2472#true} is VALID [2020-07-08 22:07:09,135 INFO L280 TraceCheckUtils]: 9: Hoare triple {2472#true} ~x := #in~x; {2577#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:09,135 INFO L280 TraceCheckUtils]: 10: Hoare triple {2577#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {2577#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:09,136 INFO L263 TraceCheckUtils]: 11: Hoare triple {2577#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {2472#true} is VALID [2020-07-08 22:07:09,136 INFO L280 TraceCheckUtils]: 12: Hoare triple {2472#true} ~x := #in~x; {2530#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:09,137 INFO L280 TraceCheckUtils]: 13: Hoare triple {2530#(= |id_#in~x| id_~x)} assume !(0 == ~x); {2530#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:09,137 INFO L263 TraceCheckUtils]: 14: Hoare triple {2530#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {2472#true} is VALID [2020-07-08 22:07:09,137 INFO L280 TraceCheckUtils]: 15: Hoare triple {2472#true} ~x := #in~x; {2577#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:09,138 INFO L280 TraceCheckUtils]: 16: Hoare triple {2577#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {2577#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:09,138 INFO L263 TraceCheckUtils]: 17: Hoare triple {2577#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {2472#true} is VALID [2020-07-08 22:07:09,139 INFO L280 TraceCheckUtils]: 18: Hoare triple {2472#true} ~x := #in~x; {2530#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:09,139 INFO L280 TraceCheckUtils]: 19: Hoare triple {2530#(= |id_#in~x| id_~x)} assume 0 == ~x; {2688#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:09,140 INFO L280 TraceCheckUtils]: 20: Hoare triple {2688#(= 0 |id_#in~x|)} #res := 0; {2688#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:09,140 INFO L280 TraceCheckUtils]: 21: Hoare triple {2688#(= 0 |id_#in~x|)} assume true; {2688#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:09,141 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {2688#(= 0 |id_#in~x|)} {2577#(= id2_~x |id2_#in~x|)} #42#return; {2687#(<= 1 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,142 INFO L280 TraceCheckUtils]: 23: Hoare triple {2687#(<= 1 |id2_#in~x|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2687#(<= 1 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,143 INFO L280 TraceCheckUtils]: 24: Hoare triple {2687#(<= 1 |id2_#in~x|)} #res := 1 + #t~ret1; {2687#(<= 1 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,143 INFO L280 TraceCheckUtils]: 25: Hoare triple {2687#(<= 1 |id2_#in~x|)} havoc #t~ret1; {2687#(<= 1 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,144 INFO L280 TraceCheckUtils]: 26: Hoare triple {2687#(<= 1 |id2_#in~x|)} assume true; {2687#(<= 1 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,145 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {2687#(<= 1 |id2_#in~x|)} {2530#(= |id_#in~x| id_~x)} #50#return; {2681#(<= 2 |id_#in~x|)} is VALID [2020-07-08 22:07:09,146 INFO L280 TraceCheckUtils]: 28: Hoare triple {2681#(<= 2 |id_#in~x|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2681#(<= 2 |id_#in~x|)} is VALID [2020-07-08 22:07:09,146 INFO L280 TraceCheckUtils]: 29: Hoare triple {2681#(<= 2 |id_#in~x|)} #res := 1 + #t~ret0; {2681#(<= 2 |id_#in~x|)} is VALID [2020-07-08 22:07:09,147 INFO L280 TraceCheckUtils]: 30: Hoare triple {2681#(<= 2 |id_#in~x|)} havoc #t~ret0; {2681#(<= 2 |id_#in~x|)} is VALID [2020-07-08 22:07:09,147 INFO L280 TraceCheckUtils]: 31: Hoare triple {2681#(<= 2 |id_#in~x|)} assume true; {2681#(<= 2 |id_#in~x|)} is VALID [2020-07-08 22:07:09,148 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {2681#(<= 2 |id_#in~x|)} {2577#(= id2_~x |id2_#in~x|)} #42#return; {2667#(<= 3 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,149 INFO L280 TraceCheckUtils]: 33: Hoare triple {2667#(<= 3 |id2_#in~x|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2667#(<= 3 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,149 INFO L280 TraceCheckUtils]: 34: Hoare triple {2667#(<= 3 |id2_#in~x|)} #res := 1 + #t~ret1; {2667#(<= 3 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,150 INFO L280 TraceCheckUtils]: 35: Hoare triple {2667#(<= 3 |id2_#in~x|)} havoc #t~ret1; {2667#(<= 3 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,150 INFO L280 TraceCheckUtils]: 36: Hoare triple {2667#(<= 3 |id2_#in~x|)} assume true; {2667#(<= 3 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,152 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {2667#(<= 3 |id2_#in~x|)} {2530#(= |id_#in~x| id_~x)} #50#return; {2645#(<= 4 |id_#in~x|)} is VALID [2020-07-08 22:07:09,152 INFO L280 TraceCheckUtils]: 38: Hoare triple {2645#(<= 4 |id_#in~x|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2645#(<= 4 |id_#in~x|)} is VALID [2020-07-08 22:07:09,153 INFO L280 TraceCheckUtils]: 39: Hoare triple {2645#(<= 4 |id_#in~x|)} #res := 1 + #t~ret0; {2645#(<= 4 |id_#in~x|)} is VALID [2020-07-08 22:07:09,153 INFO L280 TraceCheckUtils]: 40: Hoare triple {2645#(<= 4 |id_#in~x|)} havoc #t~ret0; {2645#(<= 4 |id_#in~x|)} is VALID [2020-07-08 22:07:09,154 INFO L280 TraceCheckUtils]: 41: Hoare triple {2645#(<= 4 |id_#in~x|)} assume true; {2645#(<= 4 |id_#in~x|)} is VALID [2020-07-08 22:07:09,155 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {2645#(<= 4 |id_#in~x|)} {2577#(= id2_~x |id2_#in~x|)} #42#return; {2615#(<= 5 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,156 INFO L280 TraceCheckUtils]: 43: Hoare triple {2615#(<= 5 |id2_#in~x|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2615#(<= 5 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,157 INFO L280 TraceCheckUtils]: 44: Hoare triple {2615#(<= 5 |id2_#in~x|)} #res := 1 + #t~ret1; {2615#(<= 5 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,157 INFO L280 TraceCheckUtils]: 45: Hoare triple {2615#(<= 5 |id2_#in~x|)} havoc #t~ret1; {2615#(<= 5 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,158 INFO L280 TraceCheckUtils]: 46: Hoare triple {2615#(<= 5 |id2_#in~x|)} assume true; {2615#(<= 5 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,159 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {2615#(<= 5 |id2_#in~x|)} {2530#(= |id_#in~x| id_~x)} #50#return; {2576#(<= 6 |id_#in~x|)} is VALID [2020-07-08 22:07:09,159 INFO L280 TraceCheckUtils]: 48: Hoare triple {2576#(<= 6 |id_#in~x|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2576#(<= 6 |id_#in~x|)} is VALID [2020-07-08 22:07:09,160 INFO L280 TraceCheckUtils]: 49: Hoare triple {2576#(<= 6 |id_#in~x|)} #res := 1 + #t~ret0; {2576#(<= 6 |id_#in~x|)} is VALID [2020-07-08 22:07:09,160 INFO L280 TraceCheckUtils]: 50: Hoare triple {2576#(<= 6 |id_#in~x|)} havoc #t~ret0; {2576#(<= 6 |id_#in~x|)} is VALID [2020-07-08 22:07:09,161 INFO L280 TraceCheckUtils]: 51: Hoare triple {2576#(<= 6 |id_#in~x|)} assume true; {2576#(<= 6 |id_#in~x|)} is VALID [2020-07-08 22:07:09,162 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {2576#(<= 6 |id_#in~x|)} {2476#(and (<= main_~input~0 5) (<= 5 main_~input~0))} #48#return; {2473#false} is VALID [2020-07-08 22:07:09,165 INFO L263 TraceCheckUtils]: 0: Hoare triple {2472#true} call ULTIMATE.init(); {2472#true} is VALID [2020-07-08 22:07:09,165 INFO L280 TraceCheckUtils]: 1: Hoare triple {2472#true} assume true; {2472#true} is VALID [2020-07-08 22:07:09,165 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2472#true} {2472#true} #44#return; {2472#true} is VALID [2020-07-08 22:07:09,165 INFO L263 TraceCheckUtils]: 3: Hoare triple {2472#true} call #t~ret3 := main(); {2472#true} is VALID [2020-07-08 22:07:09,166 INFO L280 TraceCheckUtils]: 4: Hoare triple {2472#true} ~input~0 := 5; {2476#(and (<= main_~input~0 5) (<= 5 main_~input~0))} is VALID [2020-07-08 22:07:09,166 INFO L263 TraceCheckUtils]: 5: Hoare triple {2476#(and (<= main_~input~0 5) (<= 5 main_~input~0))} call #t~ret2 := id(~input~0); {2472#true} is VALID [2020-07-08 22:07:09,167 INFO L280 TraceCheckUtils]: 6: Hoare triple {2472#true} ~x := #in~x; {2530#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:09,167 INFO L280 TraceCheckUtils]: 7: Hoare triple {2530#(= |id_#in~x| id_~x)} assume !(0 == ~x); {2530#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:09,167 INFO L263 TraceCheckUtils]: 8: Hoare triple {2530#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {2472#true} is VALID [2020-07-08 22:07:09,168 INFO L280 TraceCheckUtils]: 9: Hoare triple {2472#true} ~x := #in~x; {2577#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:09,168 INFO L280 TraceCheckUtils]: 10: Hoare triple {2577#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {2577#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:09,169 INFO L263 TraceCheckUtils]: 11: Hoare triple {2577#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {2472#true} is VALID [2020-07-08 22:07:09,169 INFO L280 TraceCheckUtils]: 12: Hoare triple {2472#true} ~x := #in~x; {2530#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:09,170 INFO L280 TraceCheckUtils]: 13: Hoare triple {2530#(= |id_#in~x| id_~x)} assume !(0 == ~x); {2530#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:09,170 INFO L263 TraceCheckUtils]: 14: Hoare triple {2530#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {2472#true} is VALID [2020-07-08 22:07:09,170 INFO L280 TraceCheckUtils]: 15: Hoare triple {2472#true} ~x := #in~x; {2577#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:09,171 INFO L280 TraceCheckUtils]: 16: Hoare triple {2577#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {2577#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:09,171 INFO L263 TraceCheckUtils]: 17: Hoare triple {2577#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {2472#true} is VALID [2020-07-08 22:07:09,171 INFO L280 TraceCheckUtils]: 18: Hoare triple {2472#true} ~x := #in~x; {2530#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:09,172 INFO L280 TraceCheckUtils]: 19: Hoare triple {2530#(= |id_#in~x| id_~x)} assume !(0 == ~x); {2530#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:09,172 INFO L263 TraceCheckUtils]: 20: Hoare triple {2530#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {2472#true} is VALID [2020-07-08 22:07:09,173 INFO L280 TraceCheckUtils]: 21: Hoare triple {2472#true} ~x := #in~x; {2577#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:09,173 INFO L280 TraceCheckUtils]: 22: Hoare triple {2577#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {2577#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:09,173 INFO L263 TraceCheckUtils]: 23: Hoare triple {2577#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {2472#true} is VALID [2020-07-08 22:07:09,174 INFO L280 TraceCheckUtils]: 24: Hoare triple {2472#true} ~x := #in~x; {2530#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:09,174 INFO L280 TraceCheckUtils]: 25: Hoare triple {2530#(= |id_#in~x| id_~x)} assume 0 == ~x; {2688#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:09,175 INFO L280 TraceCheckUtils]: 26: Hoare triple {2688#(= 0 |id_#in~x|)} #res := 0; {2688#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:09,175 INFO L280 TraceCheckUtils]: 27: Hoare triple {2688#(= 0 |id_#in~x|)} assume true; {2688#(= 0 |id_#in~x|)} is VALID [2020-07-08 22:07:09,176 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {2688#(= 0 |id_#in~x|)} {2577#(= id2_~x |id2_#in~x|)} #42#return; {2687#(<= 1 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,177 INFO L280 TraceCheckUtils]: 29: Hoare triple {2687#(<= 1 |id2_#in~x|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2687#(<= 1 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,177 INFO L280 TraceCheckUtils]: 30: Hoare triple {2687#(<= 1 |id2_#in~x|)} #res := 1 + #t~ret1; {2687#(<= 1 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,178 INFO L280 TraceCheckUtils]: 31: Hoare triple {2687#(<= 1 |id2_#in~x|)} havoc #t~ret1; {2687#(<= 1 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,178 INFO L280 TraceCheckUtils]: 32: Hoare triple {2687#(<= 1 |id2_#in~x|)} assume true; {2687#(<= 1 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,180 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {2687#(<= 1 |id2_#in~x|)} {2530#(= |id_#in~x| id_~x)} #50#return; {2681#(<= 2 |id_#in~x|)} is VALID [2020-07-08 22:07:09,180 INFO L280 TraceCheckUtils]: 34: Hoare triple {2681#(<= 2 |id_#in~x|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2681#(<= 2 |id_#in~x|)} is VALID [2020-07-08 22:07:09,181 INFO L280 TraceCheckUtils]: 35: Hoare triple {2681#(<= 2 |id_#in~x|)} #res := 1 + #t~ret0; {2681#(<= 2 |id_#in~x|)} is VALID [2020-07-08 22:07:09,181 INFO L280 TraceCheckUtils]: 36: Hoare triple {2681#(<= 2 |id_#in~x|)} havoc #t~ret0; {2681#(<= 2 |id_#in~x|)} is VALID [2020-07-08 22:07:09,182 INFO L280 TraceCheckUtils]: 37: Hoare triple {2681#(<= 2 |id_#in~x|)} assume true; {2681#(<= 2 |id_#in~x|)} is VALID [2020-07-08 22:07:09,183 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {2681#(<= 2 |id_#in~x|)} {2577#(= id2_~x |id2_#in~x|)} #42#return; {2667#(<= 3 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,183 INFO L280 TraceCheckUtils]: 39: Hoare triple {2667#(<= 3 |id2_#in~x|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2667#(<= 3 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,184 INFO L280 TraceCheckUtils]: 40: Hoare triple {2667#(<= 3 |id2_#in~x|)} #res := 1 + #t~ret1; {2667#(<= 3 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,184 INFO L280 TraceCheckUtils]: 41: Hoare triple {2667#(<= 3 |id2_#in~x|)} havoc #t~ret1; {2667#(<= 3 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,185 INFO L280 TraceCheckUtils]: 42: Hoare triple {2667#(<= 3 |id2_#in~x|)} assume true; {2667#(<= 3 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,186 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {2667#(<= 3 |id2_#in~x|)} {2530#(= |id_#in~x| id_~x)} #50#return; {2645#(<= 4 |id_#in~x|)} is VALID [2020-07-08 22:07:09,187 INFO L280 TraceCheckUtils]: 44: Hoare triple {2645#(<= 4 |id_#in~x|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2645#(<= 4 |id_#in~x|)} is VALID [2020-07-08 22:07:09,187 INFO L280 TraceCheckUtils]: 45: Hoare triple {2645#(<= 4 |id_#in~x|)} #res := 1 + #t~ret0; {2645#(<= 4 |id_#in~x|)} is VALID [2020-07-08 22:07:09,188 INFO L280 TraceCheckUtils]: 46: Hoare triple {2645#(<= 4 |id_#in~x|)} havoc #t~ret0; {2645#(<= 4 |id_#in~x|)} is VALID [2020-07-08 22:07:09,188 INFO L280 TraceCheckUtils]: 47: Hoare triple {2645#(<= 4 |id_#in~x|)} assume true; {2645#(<= 4 |id_#in~x|)} is VALID [2020-07-08 22:07:09,189 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {2645#(<= 4 |id_#in~x|)} {2577#(= id2_~x |id2_#in~x|)} #42#return; {2615#(<= 5 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,190 INFO L280 TraceCheckUtils]: 49: Hoare triple {2615#(<= 5 |id2_#in~x|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2615#(<= 5 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,190 INFO L280 TraceCheckUtils]: 50: Hoare triple {2615#(<= 5 |id2_#in~x|)} #res := 1 + #t~ret1; {2615#(<= 5 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,191 INFO L280 TraceCheckUtils]: 51: Hoare triple {2615#(<= 5 |id2_#in~x|)} havoc #t~ret1; {2615#(<= 5 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,191 INFO L280 TraceCheckUtils]: 52: Hoare triple {2615#(<= 5 |id2_#in~x|)} assume true; {2615#(<= 5 |id2_#in~x|)} is VALID [2020-07-08 22:07:09,193 INFO L275 TraceCheckUtils]: 53: Hoare quadruple {2615#(<= 5 |id2_#in~x|)} {2530#(= |id_#in~x| id_~x)} #50#return; {2576#(<= 6 |id_#in~x|)} is VALID [2020-07-08 22:07:09,193 INFO L280 TraceCheckUtils]: 54: Hoare triple {2576#(<= 6 |id_#in~x|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2576#(<= 6 |id_#in~x|)} is VALID [2020-07-08 22:07:09,194 INFO L280 TraceCheckUtils]: 55: Hoare triple {2576#(<= 6 |id_#in~x|)} #res := 1 + #t~ret0; {2576#(<= 6 |id_#in~x|)} is VALID [2020-07-08 22:07:09,194 INFO L280 TraceCheckUtils]: 56: Hoare triple {2576#(<= 6 |id_#in~x|)} havoc #t~ret0; {2576#(<= 6 |id_#in~x|)} is VALID [2020-07-08 22:07:09,195 INFO L280 TraceCheckUtils]: 57: Hoare triple {2576#(<= 6 |id_#in~x|)} assume true; {2576#(<= 6 |id_#in~x|)} is VALID [2020-07-08 22:07:09,196 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {2576#(<= 6 |id_#in~x|)} {2476#(and (<= main_~input~0 5) (<= 5 main_~input~0))} #48#return; {2473#false} is VALID [2020-07-08 22:07:09,196 INFO L280 TraceCheckUtils]: 59: Hoare triple {2473#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {2473#false} is VALID [2020-07-08 22:07:09,196 INFO L280 TraceCheckUtils]: 60: Hoare triple {2473#false} ~result~0 := #t~ret2; {2473#false} is VALID [2020-07-08 22:07:09,196 INFO L280 TraceCheckUtils]: 61: Hoare triple {2473#false} havoc #t~ret2; {2473#false} is VALID [2020-07-08 22:07:09,197 INFO L280 TraceCheckUtils]: 62: Hoare triple {2473#false} assume 5 != ~result~0; {2473#false} is VALID [2020-07-08 22:07:09,197 INFO L280 TraceCheckUtils]: 63: Hoare triple {2473#false} assume !false; {2473#false} is VALID [2020-07-08 22:07:09,201 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 30 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-07-08 22:07:09,202 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1499732170] [2020-07-08 22:07:09,202 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 22:07:09,202 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-07-08 22:07:09,202 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604867402] [2020-07-08 22:07:09,204 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 64 [2020-07-08 22:07:09,205 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:07:09,205 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states. [2020-07-08 22:07:09,282 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:07:09,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-08 22:07:09,282 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:07:09,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-08 22:07:09,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-07-08 22:07:09,283 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand 12 states. [2020-07-08 22:07:10,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:07:10,757 INFO L93 Difference]: Finished difference Result 156 states and 177 transitions. [2020-07-08 22:07:10,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-08 22:07:10,757 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 64 [2020-07-08 22:07:10,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:07:10,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-07-08 22:07:10,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 112 transitions. [2020-07-08 22:07:10,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-07-08 22:07:10,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 112 transitions. [2020-07-08 22:07:10,766 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states and 112 transitions. [2020-07-08 22:07:10,906 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 112 edges. 112 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:07:10,909 INFO L225 Difference]: With dead ends: 156 [2020-07-08 22:07:10,909 INFO L226 Difference]: Without dead ends: 98 [2020-07-08 22:07:10,911 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2020-07-08 22:07:10,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-07-08 22:07:11,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 68. [2020-07-08 22:07:11,058 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:07:11,058 INFO L82 GeneralOperation]: Start isEquivalent. First operand 98 states. Second operand 68 states. [2020-07-08 22:07:11,058 INFO L74 IsIncluded]: Start isIncluded. First operand 98 states. Second operand 68 states. [2020-07-08 22:07:11,058 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 68 states. [2020-07-08 22:07:11,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:07:11,063 INFO L93 Difference]: Finished difference Result 98 states and 101 transitions. [2020-07-08 22:07:11,063 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 101 transitions. [2020-07-08 22:07:11,064 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:07:11,064 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:07:11,064 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand 98 states. [2020-07-08 22:07:11,064 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 98 states. [2020-07-08 22:07:11,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:07:11,070 INFO L93 Difference]: Finished difference Result 98 states and 101 transitions. [2020-07-08 22:07:11,070 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 101 transitions. [2020-07-08 22:07:11,071 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:07:11,071 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:07:11,071 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:07:11,071 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:07:11,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-07-08 22:07:11,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 69 transitions. [2020-07-08 22:07:11,074 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 69 transitions. Word has length 64 [2020-07-08 22:07:11,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:07:11,075 INFO L479 AbstractCegarLoop]: Abstraction has 68 states and 69 transitions. [2020-07-08 22:07:11,075 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-08 22:07:11,075 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 68 states and 69 transitions. [2020-07-08 22:07:11,187 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:07:11,188 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 69 transitions. [2020-07-08 22:07:11,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-07-08 22:07:11,189 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:07:11,189 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:07:11,190 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-08 22:07:11,190 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:07:11,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:07:11,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1686185158, now seen corresponding path program 3 times [2020-07-08 22:07:11,191 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:07:11,191 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [409957024] [2020-07-08 22:07:11,191 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:07:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:11,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:11,236 INFO L280 TraceCheckUtils]: 0: Hoare triple {3349#true} assume true; {3349#true} is VALID [2020-07-08 22:07:11,237 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3349#true} {3349#true} #44#return; {3349#true} is VALID [2020-07-08 22:07:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:11,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:11,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:11,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:11,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:07:11,476 INFO L280 TraceCheckUtils]: 0: Hoare triple {3349#true} ~x := #in~x; {3470#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:11,477 INFO L280 TraceCheckUtils]: 1: Hoare triple {3470#(= id2_~x |id2_#in~x|)} assume 0 == ~x; {3627#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,478 INFO L280 TraceCheckUtils]: 2: Hoare triple {3627#(= 0 |id2_#in~x|)} #res := 0; {3627#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,478 INFO L280 TraceCheckUtils]: 3: Hoare triple {3627#(= 0 |id2_#in~x|)} assume true; {3627#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,480 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3627#(= 0 |id2_#in~x|)} {3415#(= |id_#in~x| id_~x)} #50#return; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,480 INFO L280 TraceCheckUtils]: 0: Hoare triple {3349#true} ~x := #in~x; {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,481 INFO L280 TraceCheckUtils]: 1: Hoare triple {3415#(= |id_#in~x| id_~x)} assume !(0 == ~x); {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,481 INFO L263 TraceCheckUtils]: 2: Hoare triple {3415#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {3349#true} is VALID [2020-07-08 22:07:11,482 INFO L280 TraceCheckUtils]: 3: Hoare triple {3349#true} ~x := #in~x; {3470#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:11,482 INFO L280 TraceCheckUtils]: 4: Hoare triple {3470#(= id2_~x |id2_#in~x|)} assume 0 == ~x; {3627#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,483 INFO L280 TraceCheckUtils]: 5: Hoare triple {3627#(= 0 |id2_#in~x|)} #res := 0; {3627#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,484 INFO L280 TraceCheckUtils]: 6: Hoare triple {3627#(= 0 |id2_#in~x|)} assume true; {3627#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,485 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {3627#(= 0 |id2_#in~x|)} {3415#(= |id_#in~x| id_~x)} #50#return; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,485 INFO L280 TraceCheckUtils]: 8: Hoare triple {3626#(<= 1 |id_#in~x|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,486 INFO L280 TraceCheckUtils]: 9: Hoare triple {3626#(<= 1 |id_#in~x|)} #res := 1 + #t~ret0; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,486 INFO L280 TraceCheckUtils]: 10: Hoare triple {3626#(<= 1 |id_#in~x|)} havoc #t~ret0; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,487 INFO L280 TraceCheckUtils]: 11: Hoare triple {3626#(<= 1 |id_#in~x|)} assume true; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,488 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {3626#(<= 1 |id_#in~x|)} {3470#(= id2_~x |id2_#in~x|)} #42#return; {3620#(<= 2 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,489 INFO L280 TraceCheckUtils]: 0: Hoare triple {3349#true} ~x := #in~x; {3470#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:11,490 INFO L280 TraceCheckUtils]: 1: Hoare triple {3470#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {3470#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:11,490 INFO L263 TraceCheckUtils]: 2: Hoare triple {3470#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {3349#true} is VALID [2020-07-08 22:07:11,491 INFO L280 TraceCheckUtils]: 3: Hoare triple {3349#true} ~x := #in~x; {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,491 INFO L280 TraceCheckUtils]: 4: Hoare triple {3415#(= |id_#in~x| id_~x)} assume !(0 == ~x); {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,492 INFO L263 TraceCheckUtils]: 5: Hoare triple {3415#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {3349#true} is VALID [2020-07-08 22:07:11,492 INFO L280 TraceCheckUtils]: 6: Hoare triple {3349#true} ~x := #in~x; {3470#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:11,493 INFO L280 TraceCheckUtils]: 7: Hoare triple {3470#(= id2_~x |id2_#in~x|)} assume 0 == ~x; {3627#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,494 INFO L280 TraceCheckUtils]: 8: Hoare triple {3627#(= 0 |id2_#in~x|)} #res := 0; {3627#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,494 INFO L280 TraceCheckUtils]: 9: Hoare triple {3627#(= 0 |id2_#in~x|)} assume true; {3627#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,495 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {3627#(= 0 |id2_#in~x|)} {3415#(= |id_#in~x| id_~x)} #50#return; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,496 INFO L280 TraceCheckUtils]: 11: Hoare triple {3626#(<= 1 |id_#in~x|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,497 INFO L280 TraceCheckUtils]: 12: Hoare triple {3626#(<= 1 |id_#in~x|)} #res := 1 + #t~ret0; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,497 INFO L280 TraceCheckUtils]: 13: Hoare triple {3626#(<= 1 |id_#in~x|)} havoc #t~ret0; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,498 INFO L280 TraceCheckUtils]: 14: Hoare triple {3626#(<= 1 |id_#in~x|)} assume true; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,499 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {3626#(<= 1 |id_#in~x|)} {3470#(= id2_~x |id2_#in~x|)} #42#return; {3620#(<= 2 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,500 INFO L280 TraceCheckUtils]: 16: Hoare triple {3620#(<= 2 |id2_#in~x|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3620#(<= 2 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,501 INFO L280 TraceCheckUtils]: 17: Hoare triple {3620#(<= 2 |id2_#in~x|)} #res := 1 + #t~ret1; {3620#(<= 2 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,501 INFO L280 TraceCheckUtils]: 18: Hoare triple {3620#(<= 2 |id2_#in~x|)} havoc #t~ret1; {3620#(<= 2 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,502 INFO L280 TraceCheckUtils]: 19: Hoare triple {3620#(<= 2 |id2_#in~x|)} assume true; {3620#(<= 2 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,504 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {3620#(<= 2 |id2_#in~x|)} {3415#(= |id_#in~x| id_~x)} #50#return; {3606#(<= 3 |id_#in~x|)} is VALID [2020-07-08 22:07:11,505 INFO L280 TraceCheckUtils]: 0: Hoare triple {3349#true} ~x := #in~x; {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,506 INFO L280 TraceCheckUtils]: 1: Hoare triple {3415#(= |id_#in~x| id_~x)} assume !(0 == ~x); {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,506 INFO L263 TraceCheckUtils]: 2: Hoare triple {3415#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {3349#true} is VALID [2020-07-08 22:07:11,506 INFO L280 TraceCheckUtils]: 3: Hoare triple {3349#true} ~x := #in~x; {3470#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:11,507 INFO L280 TraceCheckUtils]: 4: Hoare triple {3470#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {3470#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:11,507 INFO L263 TraceCheckUtils]: 5: Hoare triple {3470#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {3349#true} is VALID [2020-07-08 22:07:11,508 INFO L280 TraceCheckUtils]: 6: Hoare triple {3349#true} ~x := #in~x; {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,509 INFO L280 TraceCheckUtils]: 7: Hoare triple {3415#(= |id_#in~x| id_~x)} assume !(0 == ~x); {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,509 INFO L263 TraceCheckUtils]: 8: Hoare triple {3415#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {3349#true} is VALID [2020-07-08 22:07:11,509 INFO L280 TraceCheckUtils]: 9: Hoare triple {3349#true} ~x := #in~x; {3470#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:11,510 INFO L280 TraceCheckUtils]: 10: Hoare triple {3470#(= id2_~x |id2_#in~x|)} assume 0 == ~x; {3627#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,511 INFO L280 TraceCheckUtils]: 11: Hoare triple {3627#(= 0 |id2_#in~x|)} #res := 0; {3627#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,511 INFO L280 TraceCheckUtils]: 12: Hoare triple {3627#(= 0 |id2_#in~x|)} assume true; {3627#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,512 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {3627#(= 0 |id2_#in~x|)} {3415#(= |id_#in~x| id_~x)} #50#return; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,513 INFO L280 TraceCheckUtils]: 14: Hoare triple {3626#(<= 1 |id_#in~x|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,513 INFO L280 TraceCheckUtils]: 15: Hoare triple {3626#(<= 1 |id_#in~x|)} #res := 1 + #t~ret0; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,514 INFO L280 TraceCheckUtils]: 16: Hoare triple {3626#(<= 1 |id_#in~x|)} havoc #t~ret0; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,514 INFO L280 TraceCheckUtils]: 17: Hoare triple {3626#(<= 1 |id_#in~x|)} assume true; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,516 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {3626#(<= 1 |id_#in~x|)} {3470#(= id2_~x |id2_#in~x|)} #42#return; {3620#(<= 2 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,516 INFO L280 TraceCheckUtils]: 19: Hoare triple {3620#(<= 2 |id2_#in~x|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3620#(<= 2 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,517 INFO L280 TraceCheckUtils]: 20: Hoare triple {3620#(<= 2 |id2_#in~x|)} #res := 1 + #t~ret1; {3620#(<= 2 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,518 INFO L280 TraceCheckUtils]: 21: Hoare triple {3620#(<= 2 |id2_#in~x|)} havoc #t~ret1; {3620#(<= 2 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,518 INFO L280 TraceCheckUtils]: 22: Hoare triple {3620#(<= 2 |id2_#in~x|)} assume true; {3620#(<= 2 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,520 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {3620#(<= 2 |id2_#in~x|)} {3415#(= |id_#in~x| id_~x)} #50#return; {3606#(<= 3 |id_#in~x|)} is VALID [2020-07-08 22:07:11,520 INFO L280 TraceCheckUtils]: 24: Hoare triple {3606#(<= 3 |id_#in~x|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3606#(<= 3 |id_#in~x|)} is VALID [2020-07-08 22:07:11,521 INFO L280 TraceCheckUtils]: 25: Hoare triple {3606#(<= 3 |id_#in~x|)} #res := 1 + #t~ret0; {3606#(<= 3 |id_#in~x|)} is VALID [2020-07-08 22:07:11,522 INFO L280 TraceCheckUtils]: 26: Hoare triple {3606#(<= 3 |id_#in~x|)} havoc #t~ret0; {3606#(<= 3 |id_#in~x|)} is VALID [2020-07-08 22:07:11,522 INFO L280 TraceCheckUtils]: 27: Hoare triple {3606#(<= 3 |id_#in~x|)} assume true; {3606#(<= 3 |id_#in~x|)} is VALID [2020-07-08 22:07:11,523 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {3606#(<= 3 |id_#in~x|)} {3470#(= id2_~x |id2_#in~x|)} #42#return; {3584#(<= 4 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,525 INFO L280 TraceCheckUtils]: 0: Hoare triple {3349#true} ~x := #in~x; {3470#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:11,526 INFO L280 TraceCheckUtils]: 1: Hoare triple {3470#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {3470#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:11,526 INFO L263 TraceCheckUtils]: 2: Hoare triple {3470#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {3349#true} is VALID [2020-07-08 22:07:11,526 INFO L280 TraceCheckUtils]: 3: Hoare triple {3349#true} ~x := #in~x; {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,527 INFO L280 TraceCheckUtils]: 4: Hoare triple {3415#(= |id_#in~x| id_~x)} assume !(0 == ~x); {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,527 INFO L263 TraceCheckUtils]: 5: Hoare triple {3415#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {3349#true} is VALID [2020-07-08 22:07:11,528 INFO L280 TraceCheckUtils]: 6: Hoare triple {3349#true} ~x := #in~x; {3470#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:11,528 INFO L280 TraceCheckUtils]: 7: Hoare triple {3470#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {3470#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:11,529 INFO L263 TraceCheckUtils]: 8: Hoare triple {3470#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {3349#true} is VALID [2020-07-08 22:07:11,529 INFO L280 TraceCheckUtils]: 9: Hoare triple {3349#true} ~x := #in~x; {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,530 INFO L280 TraceCheckUtils]: 10: Hoare triple {3415#(= |id_#in~x| id_~x)} assume !(0 == ~x); {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,530 INFO L263 TraceCheckUtils]: 11: Hoare triple {3415#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {3349#true} is VALID [2020-07-08 22:07:11,531 INFO L280 TraceCheckUtils]: 12: Hoare triple {3349#true} ~x := #in~x; {3470#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:11,531 INFO L280 TraceCheckUtils]: 13: Hoare triple {3470#(= id2_~x |id2_#in~x|)} assume 0 == ~x; {3627#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,532 INFO L280 TraceCheckUtils]: 14: Hoare triple {3627#(= 0 |id2_#in~x|)} #res := 0; {3627#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,533 INFO L280 TraceCheckUtils]: 15: Hoare triple {3627#(= 0 |id2_#in~x|)} assume true; {3627#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,534 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {3627#(= 0 |id2_#in~x|)} {3415#(= |id_#in~x| id_~x)} #50#return; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,534 INFO L280 TraceCheckUtils]: 17: Hoare triple {3626#(<= 1 |id_#in~x|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,535 INFO L280 TraceCheckUtils]: 18: Hoare triple {3626#(<= 1 |id_#in~x|)} #res := 1 + #t~ret0; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,536 INFO L280 TraceCheckUtils]: 19: Hoare triple {3626#(<= 1 |id_#in~x|)} havoc #t~ret0; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,536 INFO L280 TraceCheckUtils]: 20: Hoare triple {3626#(<= 1 |id_#in~x|)} assume true; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,538 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {3626#(<= 1 |id_#in~x|)} {3470#(= id2_~x |id2_#in~x|)} #42#return; {3620#(<= 2 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,538 INFO L280 TraceCheckUtils]: 22: Hoare triple {3620#(<= 2 |id2_#in~x|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3620#(<= 2 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,539 INFO L280 TraceCheckUtils]: 23: Hoare triple {3620#(<= 2 |id2_#in~x|)} #res := 1 + #t~ret1; {3620#(<= 2 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,539 INFO L280 TraceCheckUtils]: 24: Hoare triple {3620#(<= 2 |id2_#in~x|)} havoc #t~ret1; {3620#(<= 2 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,540 INFO L280 TraceCheckUtils]: 25: Hoare triple {3620#(<= 2 |id2_#in~x|)} assume true; {3620#(<= 2 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,541 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {3620#(<= 2 |id2_#in~x|)} {3415#(= |id_#in~x| id_~x)} #50#return; {3606#(<= 3 |id_#in~x|)} is VALID [2020-07-08 22:07:11,542 INFO L280 TraceCheckUtils]: 27: Hoare triple {3606#(<= 3 |id_#in~x|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3606#(<= 3 |id_#in~x|)} is VALID [2020-07-08 22:07:11,542 INFO L280 TraceCheckUtils]: 28: Hoare triple {3606#(<= 3 |id_#in~x|)} #res := 1 + #t~ret0; {3606#(<= 3 |id_#in~x|)} is VALID [2020-07-08 22:07:11,543 INFO L280 TraceCheckUtils]: 29: Hoare triple {3606#(<= 3 |id_#in~x|)} havoc #t~ret0; {3606#(<= 3 |id_#in~x|)} is VALID [2020-07-08 22:07:11,543 INFO L280 TraceCheckUtils]: 30: Hoare triple {3606#(<= 3 |id_#in~x|)} assume true; {3606#(<= 3 |id_#in~x|)} is VALID [2020-07-08 22:07:11,545 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {3606#(<= 3 |id_#in~x|)} {3470#(= id2_~x |id2_#in~x|)} #42#return; {3584#(<= 4 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,545 INFO L280 TraceCheckUtils]: 32: Hoare triple {3584#(<= 4 |id2_#in~x|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3584#(<= 4 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,546 INFO L280 TraceCheckUtils]: 33: Hoare triple {3584#(<= 4 |id2_#in~x|)} #res := 1 + #t~ret1; {3584#(<= 4 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,547 INFO L280 TraceCheckUtils]: 34: Hoare triple {3584#(<= 4 |id2_#in~x|)} havoc #t~ret1; {3584#(<= 4 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,547 INFO L280 TraceCheckUtils]: 35: Hoare triple {3584#(<= 4 |id2_#in~x|)} assume true; {3584#(<= 4 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,569 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {3584#(<= 4 |id2_#in~x|)} {3415#(= |id_#in~x| id_~x)} #50#return; {3554#(<= 5 |id_#in~x|)} is VALID [2020-07-08 22:07:11,573 INFO L280 TraceCheckUtils]: 0: Hoare triple {3349#true} ~x := #in~x; {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,578 INFO L280 TraceCheckUtils]: 1: Hoare triple {3415#(= |id_#in~x| id_~x)} assume !(0 == ~x); {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,578 INFO L263 TraceCheckUtils]: 2: Hoare triple {3415#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {3349#true} is VALID [2020-07-08 22:07:11,578 INFO L280 TraceCheckUtils]: 3: Hoare triple {3349#true} ~x := #in~x; {3470#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:11,579 INFO L280 TraceCheckUtils]: 4: Hoare triple {3470#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {3470#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:11,579 INFO L263 TraceCheckUtils]: 5: Hoare triple {3470#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {3349#true} is VALID [2020-07-08 22:07:11,580 INFO L280 TraceCheckUtils]: 6: Hoare triple {3349#true} ~x := #in~x; {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,580 INFO L280 TraceCheckUtils]: 7: Hoare triple {3415#(= |id_#in~x| id_~x)} assume !(0 == ~x); {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,581 INFO L263 TraceCheckUtils]: 8: Hoare triple {3415#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {3349#true} is VALID [2020-07-08 22:07:11,581 INFO L280 TraceCheckUtils]: 9: Hoare triple {3349#true} ~x := #in~x; {3470#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:11,582 INFO L280 TraceCheckUtils]: 10: Hoare triple {3470#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {3470#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:11,582 INFO L263 TraceCheckUtils]: 11: Hoare triple {3470#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {3349#true} is VALID [2020-07-08 22:07:11,582 INFO L280 TraceCheckUtils]: 12: Hoare triple {3349#true} ~x := #in~x; {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,583 INFO L280 TraceCheckUtils]: 13: Hoare triple {3415#(= |id_#in~x| id_~x)} assume !(0 == ~x); {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,583 INFO L263 TraceCheckUtils]: 14: Hoare triple {3415#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {3349#true} is VALID [2020-07-08 22:07:11,584 INFO L280 TraceCheckUtils]: 15: Hoare triple {3349#true} ~x := #in~x; {3470#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:11,584 INFO L280 TraceCheckUtils]: 16: Hoare triple {3470#(= id2_~x |id2_#in~x|)} assume 0 == ~x; {3627#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,585 INFO L280 TraceCheckUtils]: 17: Hoare triple {3627#(= 0 |id2_#in~x|)} #res := 0; {3627#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,585 INFO L280 TraceCheckUtils]: 18: Hoare triple {3627#(= 0 |id2_#in~x|)} assume true; {3627#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,586 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {3627#(= 0 |id2_#in~x|)} {3415#(= |id_#in~x| id_~x)} #50#return; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,587 INFO L280 TraceCheckUtils]: 20: Hoare triple {3626#(<= 1 |id_#in~x|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,587 INFO L280 TraceCheckUtils]: 21: Hoare triple {3626#(<= 1 |id_#in~x|)} #res := 1 + #t~ret0; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,588 INFO L280 TraceCheckUtils]: 22: Hoare triple {3626#(<= 1 |id_#in~x|)} havoc #t~ret0; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,588 INFO L280 TraceCheckUtils]: 23: Hoare triple {3626#(<= 1 |id_#in~x|)} assume true; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,590 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {3626#(<= 1 |id_#in~x|)} {3470#(= id2_~x |id2_#in~x|)} #42#return; {3620#(<= 2 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,590 INFO L280 TraceCheckUtils]: 25: Hoare triple {3620#(<= 2 |id2_#in~x|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3620#(<= 2 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,591 INFO L280 TraceCheckUtils]: 26: Hoare triple {3620#(<= 2 |id2_#in~x|)} #res := 1 + #t~ret1; {3620#(<= 2 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,591 INFO L280 TraceCheckUtils]: 27: Hoare triple {3620#(<= 2 |id2_#in~x|)} havoc #t~ret1; {3620#(<= 2 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,592 INFO L280 TraceCheckUtils]: 28: Hoare triple {3620#(<= 2 |id2_#in~x|)} assume true; {3620#(<= 2 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,593 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {3620#(<= 2 |id2_#in~x|)} {3415#(= |id_#in~x| id_~x)} #50#return; {3606#(<= 3 |id_#in~x|)} is VALID [2020-07-08 22:07:11,593 INFO L280 TraceCheckUtils]: 30: Hoare triple {3606#(<= 3 |id_#in~x|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3606#(<= 3 |id_#in~x|)} is VALID [2020-07-08 22:07:11,594 INFO L280 TraceCheckUtils]: 31: Hoare triple {3606#(<= 3 |id_#in~x|)} #res := 1 + #t~ret0; {3606#(<= 3 |id_#in~x|)} is VALID [2020-07-08 22:07:11,594 INFO L280 TraceCheckUtils]: 32: Hoare triple {3606#(<= 3 |id_#in~x|)} havoc #t~ret0; {3606#(<= 3 |id_#in~x|)} is VALID [2020-07-08 22:07:11,595 INFO L280 TraceCheckUtils]: 33: Hoare triple {3606#(<= 3 |id_#in~x|)} assume true; {3606#(<= 3 |id_#in~x|)} is VALID [2020-07-08 22:07:11,596 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {3606#(<= 3 |id_#in~x|)} {3470#(= id2_~x |id2_#in~x|)} #42#return; {3584#(<= 4 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,597 INFO L280 TraceCheckUtils]: 35: Hoare triple {3584#(<= 4 |id2_#in~x|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3584#(<= 4 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,597 INFO L280 TraceCheckUtils]: 36: Hoare triple {3584#(<= 4 |id2_#in~x|)} #res := 1 + #t~ret1; {3584#(<= 4 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,598 INFO L280 TraceCheckUtils]: 37: Hoare triple {3584#(<= 4 |id2_#in~x|)} havoc #t~ret1; {3584#(<= 4 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,598 INFO L280 TraceCheckUtils]: 38: Hoare triple {3584#(<= 4 |id2_#in~x|)} assume true; {3584#(<= 4 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,599 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {3584#(<= 4 |id2_#in~x|)} {3415#(= |id_#in~x| id_~x)} #50#return; {3554#(<= 5 |id_#in~x|)} is VALID [2020-07-08 22:07:11,600 INFO L280 TraceCheckUtils]: 40: Hoare triple {3554#(<= 5 |id_#in~x|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3554#(<= 5 |id_#in~x|)} is VALID [2020-07-08 22:07:11,601 INFO L280 TraceCheckUtils]: 41: Hoare triple {3554#(<= 5 |id_#in~x|)} #res := 1 + #t~ret0; {3554#(<= 5 |id_#in~x|)} is VALID [2020-07-08 22:07:11,601 INFO L280 TraceCheckUtils]: 42: Hoare triple {3554#(<= 5 |id_#in~x|)} havoc #t~ret0; {3554#(<= 5 |id_#in~x|)} is VALID [2020-07-08 22:07:11,602 INFO L280 TraceCheckUtils]: 43: Hoare triple {3554#(<= 5 |id_#in~x|)} assume true; {3554#(<= 5 |id_#in~x|)} is VALID [2020-07-08 22:07:11,603 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {3554#(<= 5 |id_#in~x|)} {3470#(= id2_~x |id2_#in~x|)} #42#return; {3516#(<= 6 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,606 INFO L280 TraceCheckUtils]: 0: Hoare triple {3349#true} ~x := #in~x; {3470#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:11,607 INFO L280 TraceCheckUtils]: 1: Hoare triple {3470#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {3470#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:11,607 INFO L263 TraceCheckUtils]: 2: Hoare triple {3470#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {3349#true} is VALID [2020-07-08 22:07:11,608 INFO L280 TraceCheckUtils]: 3: Hoare triple {3349#true} ~x := #in~x; {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,608 INFO L280 TraceCheckUtils]: 4: Hoare triple {3415#(= |id_#in~x| id_~x)} assume !(0 == ~x); {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,609 INFO L263 TraceCheckUtils]: 5: Hoare triple {3415#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {3349#true} is VALID [2020-07-08 22:07:11,609 INFO L280 TraceCheckUtils]: 6: Hoare triple {3349#true} ~x := #in~x; {3470#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:11,610 INFO L280 TraceCheckUtils]: 7: Hoare triple {3470#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {3470#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:11,610 INFO L263 TraceCheckUtils]: 8: Hoare triple {3470#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {3349#true} is VALID [2020-07-08 22:07:11,611 INFO L280 TraceCheckUtils]: 9: Hoare triple {3349#true} ~x := #in~x; {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,611 INFO L280 TraceCheckUtils]: 10: Hoare triple {3415#(= |id_#in~x| id_~x)} assume !(0 == ~x); {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,612 INFO L263 TraceCheckUtils]: 11: Hoare triple {3415#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {3349#true} is VALID [2020-07-08 22:07:11,612 INFO L280 TraceCheckUtils]: 12: Hoare triple {3349#true} ~x := #in~x; {3470#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:11,613 INFO L280 TraceCheckUtils]: 13: Hoare triple {3470#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {3470#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:11,613 INFO L263 TraceCheckUtils]: 14: Hoare triple {3470#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {3349#true} is VALID [2020-07-08 22:07:11,614 INFO L280 TraceCheckUtils]: 15: Hoare triple {3349#true} ~x := #in~x; {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,615 INFO L280 TraceCheckUtils]: 16: Hoare triple {3415#(= |id_#in~x| id_~x)} assume !(0 == ~x); {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,615 INFO L263 TraceCheckUtils]: 17: Hoare triple {3415#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {3349#true} is VALID [2020-07-08 22:07:11,616 INFO L280 TraceCheckUtils]: 18: Hoare triple {3349#true} ~x := #in~x; {3470#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:11,616 INFO L280 TraceCheckUtils]: 19: Hoare triple {3470#(= id2_~x |id2_#in~x|)} assume 0 == ~x; {3627#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,617 INFO L280 TraceCheckUtils]: 20: Hoare triple {3627#(= 0 |id2_#in~x|)} #res := 0; {3627#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,617 INFO L280 TraceCheckUtils]: 21: Hoare triple {3627#(= 0 |id2_#in~x|)} assume true; {3627#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,618 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {3627#(= 0 |id2_#in~x|)} {3415#(= |id_#in~x| id_~x)} #50#return; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,619 INFO L280 TraceCheckUtils]: 23: Hoare triple {3626#(<= 1 |id_#in~x|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,619 INFO L280 TraceCheckUtils]: 24: Hoare triple {3626#(<= 1 |id_#in~x|)} #res := 1 + #t~ret0; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,620 INFO L280 TraceCheckUtils]: 25: Hoare triple {3626#(<= 1 |id_#in~x|)} havoc #t~ret0; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,620 INFO L280 TraceCheckUtils]: 26: Hoare triple {3626#(<= 1 |id_#in~x|)} assume true; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,622 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {3626#(<= 1 |id_#in~x|)} {3470#(= id2_~x |id2_#in~x|)} #42#return; {3620#(<= 2 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,622 INFO L280 TraceCheckUtils]: 28: Hoare triple {3620#(<= 2 |id2_#in~x|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3620#(<= 2 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,623 INFO L280 TraceCheckUtils]: 29: Hoare triple {3620#(<= 2 |id2_#in~x|)} #res := 1 + #t~ret1; {3620#(<= 2 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,624 INFO L280 TraceCheckUtils]: 30: Hoare triple {3620#(<= 2 |id2_#in~x|)} havoc #t~ret1; {3620#(<= 2 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,625 INFO L280 TraceCheckUtils]: 31: Hoare triple {3620#(<= 2 |id2_#in~x|)} assume true; {3620#(<= 2 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,626 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {3620#(<= 2 |id2_#in~x|)} {3415#(= |id_#in~x| id_~x)} #50#return; {3606#(<= 3 |id_#in~x|)} is VALID [2020-07-08 22:07:11,627 INFO L280 TraceCheckUtils]: 33: Hoare triple {3606#(<= 3 |id_#in~x|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3606#(<= 3 |id_#in~x|)} is VALID [2020-07-08 22:07:11,627 INFO L280 TraceCheckUtils]: 34: Hoare triple {3606#(<= 3 |id_#in~x|)} #res := 1 + #t~ret0; {3606#(<= 3 |id_#in~x|)} is VALID [2020-07-08 22:07:11,628 INFO L280 TraceCheckUtils]: 35: Hoare triple {3606#(<= 3 |id_#in~x|)} havoc #t~ret0; {3606#(<= 3 |id_#in~x|)} is VALID [2020-07-08 22:07:11,629 INFO L280 TraceCheckUtils]: 36: Hoare triple {3606#(<= 3 |id_#in~x|)} assume true; {3606#(<= 3 |id_#in~x|)} is VALID [2020-07-08 22:07:11,630 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {3606#(<= 3 |id_#in~x|)} {3470#(= id2_~x |id2_#in~x|)} #42#return; {3584#(<= 4 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,631 INFO L280 TraceCheckUtils]: 38: Hoare triple {3584#(<= 4 |id2_#in~x|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3584#(<= 4 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,631 INFO L280 TraceCheckUtils]: 39: Hoare triple {3584#(<= 4 |id2_#in~x|)} #res := 1 + #t~ret1; {3584#(<= 4 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,632 INFO L280 TraceCheckUtils]: 40: Hoare triple {3584#(<= 4 |id2_#in~x|)} havoc #t~ret1; {3584#(<= 4 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,632 INFO L280 TraceCheckUtils]: 41: Hoare triple {3584#(<= 4 |id2_#in~x|)} assume true; {3584#(<= 4 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,634 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {3584#(<= 4 |id2_#in~x|)} {3415#(= |id_#in~x| id_~x)} #50#return; {3554#(<= 5 |id_#in~x|)} is VALID [2020-07-08 22:07:11,634 INFO L280 TraceCheckUtils]: 43: Hoare triple {3554#(<= 5 |id_#in~x|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3554#(<= 5 |id_#in~x|)} is VALID [2020-07-08 22:07:11,635 INFO L280 TraceCheckUtils]: 44: Hoare triple {3554#(<= 5 |id_#in~x|)} #res := 1 + #t~ret0; {3554#(<= 5 |id_#in~x|)} is VALID [2020-07-08 22:07:11,635 INFO L280 TraceCheckUtils]: 45: Hoare triple {3554#(<= 5 |id_#in~x|)} havoc #t~ret0; {3554#(<= 5 |id_#in~x|)} is VALID [2020-07-08 22:07:11,636 INFO L280 TraceCheckUtils]: 46: Hoare triple {3554#(<= 5 |id_#in~x|)} assume true; {3554#(<= 5 |id_#in~x|)} is VALID [2020-07-08 22:07:11,637 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {3554#(<= 5 |id_#in~x|)} {3470#(= id2_~x |id2_#in~x|)} #42#return; {3516#(<= 6 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,638 INFO L280 TraceCheckUtils]: 48: Hoare triple {3516#(<= 6 |id2_#in~x|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3516#(<= 6 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,639 INFO L280 TraceCheckUtils]: 49: Hoare triple {3516#(<= 6 |id2_#in~x|)} #res := 1 + #t~ret1; {3516#(<= 6 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,639 INFO L280 TraceCheckUtils]: 50: Hoare triple {3516#(<= 6 |id2_#in~x|)} havoc #t~ret1; {3516#(<= 6 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,640 INFO L280 TraceCheckUtils]: 51: Hoare triple {3516#(<= 6 |id2_#in~x|)} assume true; {3516#(<= 6 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,642 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {3516#(<= 6 |id2_#in~x|)} {3415#(= |id_#in~x| id_~x)} #50#return; {3469#(<= 7 |id_#in~x|)} is VALID [2020-07-08 22:07:11,647 INFO L280 TraceCheckUtils]: 0: Hoare triple {3349#true} ~x := #in~x; {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,647 INFO L280 TraceCheckUtils]: 1: Hoare triple {3415#(= |id_#in~x| id_~x)} assume !(0 == ~x); {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,648 INFO L263 TraceCheckUtils]: 2: Hoare triple {3415#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {3349#true} is VALID [2020-07-08 22:07:11,648 INFO L280 TraceCheckUtils]: 3: Hoare triple {3349#true} ~x := #in~x; {3470#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:11,649 INFO L280 TraceCheckUtils]: 4: Hoare triple {3470#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {3470#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:11,649 INFO L263 TraceCheckUtils]: 5: Hoare triple {3470#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {3349#true} is VALID [2020-07-08 22:07:11,650 INFO L280 TraceCheckUtils]: 6: Hoare triple {3349#true} ~x := #in~x; {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,650 INFO L280 TraceCheckUtils]: 7: Hoare triple {3415#(= |id_#in~x| id_~x)} assume !(0 == ~x); {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,650 INFO L263 TraceCheckUtils]: 8: Hoare triple {3415#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {3349#true} is VALID [2020-07-08 22:07:11,651 INFO L280 TraceCheckUtils]: 9: Hoare triple {3349#true} ~x := #in~x; {3470#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:11,652 INFO L280 TraceCheckUtils]: 10: Hoare triple {3470#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {3470#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:11,652 INFO L263 TraceCheckUtils]: 11: Hoare triple {3470#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {3349#true} is VALID [2020-07-08 22:07:11,653 INFO L280 TraceCheckUtils]: 12: Hoare triple {3349#true} ~x := #in~x; {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,653 INFO L280 TraceCheckUtils]: 13: Hoare triple {3415#(= |id_#in~x| id_~x)} assume !(0 == ~x); {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,653 INFO L263 TraceCheckUtils]: 14: Hoare triple {3415#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {3349#true} is VALID [2020-07-08 22:07:11,654 INFO L280 TraceCheckUtils]: 15: Hoare triple {3349#true} ~x := #in~x; {3470#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:11,654 INFO L280 TraceCheckUtils]: 16: Hoare triple {3470#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {3470#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:11,655 INFO L263 TraceCheckUtils]: 17: Hoare triple {3470#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {3349#true} is VALID [2020-07-08 22:07:11,656 INFO L280 TraceCheckUtils]: 18: Hoare triple {3349#true} ~x := #in~x; {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,656 INFO L280 TraceCheckUtils]: 19: Hoare triple {3415#(= |id_#in~x| id_~x)} assume !(0 == ~x); {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,657 INFO L263 TraceCheckUtils]: 20: Hoare triple {3415#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {3349#true} is VALID [2020-07-08 22:07:11,657 INFO L280 TraceCheckUtils]: 21: Hoare triple {3349#true} ~x := #in~x; {3470#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:11,658 INFO L280 TraceCheckUtils]: 22: Hoare triple {3470#(= id2_~x |id2_#in~x|)} assume 0 == ~x; {3627#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,659 INFO L280 TraceCheckUtils]: 23: Hoare triple {3627#(= 0 |id2_#in~x|)} #res := 0; {3627#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,659 INFO L280 TraceCheckUtils]: 24: Hoare triple {3627#(= 0 |id2_#in~x|)} assume true; {3627#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,660 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {3627#(= 0 |id2_#in~x|)} {3415#(= |id_#in~x| id_~x)} #50#return; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,661 INFO L280 TraceCheckUtils]: 26: Hoare triple {3626#(<= 1 |id_#in~x|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,662 INFO L280 TraceCheckUtils]: 27: Hoare triple {3626#(<= 1 |id_#in~x|)} #res := 1 + #t~ret0; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,662 INFO L280 TraceCheckUtils]: 28: Hoare triple {3626#(<= 1 |id_#in~x|)} havoc #t~ret0; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,663 INFO L280 TraceCheckUtils]: 29: Hoare triple {3626#(<= 1 |id_#in~x|)} assume true; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,664 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {3626#(<= 1 |id_#in~x|)} {3470#(= id2_~x |id2_#in~x|)} #42#return; {3620#(<= 2 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,665 INFO L280 TraceCheckUtils]: 31: Hoare triple {3620#(<= 2 |id2_#in~x|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3620#(<= 2 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,665 INFO L280 TraceCheckUtils]: 32: Hoare triple {3620#(<= 2 |id2_#in~x|)} #res := 1 + #t~ret1; {3620#(<= 2 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,666 INFO L280 TraceCheckUtils]: 33: Hoare triple {3620#(<= 2 |id2_#in~x|)} havoc #t~ret1; {3620#(<= 2 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,667 INFO L280 TraceCheckUtils]: 34: Hoare triple {3620#(<= 2 |id2_#in~x|)} assume true; {3620#(<= 2 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,668 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {3620#(<= 2 |id2_#in~x|)} {3415#(= |id_#in~x| id_~x)} #50#return; {3606#(<= 3 |id_#in~x|)} is VALID [2020-07-08 22:07:11,669 INFO L280 TraceCheckUtils]: 36: Hoare triple {3606#(<= 3 |id_#in~x|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3606#(<= 3 |id_#in~x|)} is VALID [2020-07-08 22:07:11,669 INFO L280 TraceCheckUtils]: 37: Hoare triple {3606#(<= 3 |id_#in~x|)} #res := 1 + #t~ret0; {3606#(<= 3 |id_#in~x|)} is VALID [2020-07-08 22:07:11,670 INFO L280 TraceCheckUtils]: 38: Hoare triple {3606#(<= 3 |id_#in~x|)} havoc #t~ret0; {3606#(<= 3 |id_#in~x|)} is VALID [2020-07-08 22:07:11,671 INFO L280 TraceCheckUtils]: 39: Hoare triple {3606#(<= 3 |id_#in~x|)} assume true; {3606#(<= 3 |id_#in~x|)} is VALID [2020-07-08 22:07:11,672 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {3606#(<= 3 |id_#in~x|)} {3470#(= id2_~x |id2_#in~x|)} #42#return; {3584#(<= 4 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,673 INFO L280 TraceCheckUtils]: 41: Hoare triple {3584#(<= 4 |id2_#in~x|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3584#(<= 4 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,673 INFO L280 TraceCheckUtils]: 42: Hoare triple {3584#(<= 4 |id2_#in~x|)} #res := 1 + #t~ret1; {3584#(<= 4 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,674 INFO L280 TraceCheckUtils]: 43: Hoare triple {3584#(<= 4 |id2_#in~x|)} havoc #t~ret1; {3584#(<= 4 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,674 INFO L280 TraceCheckUtils]: 44: Hoare triple {3584#(<= 4 |id2_#in~x|)} assume true; {3584#(<= 4 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,676 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {3584#(<= 4 |id2_#in~x|)} {3415#(= |id_#in~x| id_~x)} #50#return; {3554#(<= 5 |id_#in~x|)} is VALID [2020-07-08 22:07:11,676 INFO L280 TraceCheckUtils]: 46: Hoare triple {3554#(<= 5 |id_#in~x|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3554#(<= 5 |id_#in~x|)} is VALID [2020-07-08 22:07:11,677 INFO L280 TraceCheckUtils]: 47: Hoare triple {3554#(<= 5 |id_#in~x|)} #res := 1 + #t~ret0; {3554#(<= 5 |id_#in~x|)} is VALID [2020-07-08 22:07:11,678 INFO L280 TraceCheckUtils]: 48: Hoare triple {3554#(<= 5 |id_#in~x|)} havoc #t~ret0; {3554#(<= 5 |id_#in~x|)} is VALID [2020-07-08 22:07:11,678 INFO L280 TraceCheckUtils]: 49: Hoare triple {3554#(<= 5 |id_#in~x|)} assume true; {3554#(<= 5 |id_#in~x|)} is VALID [2020-07-08 22:07:11,680 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {3554#(<= 5 |id_#in~x|)} {3470#(= id2_~x |id2_#in~x|)} #42#return; {3516#(<= 6 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,681 INFO L280 TraceCheckUtils]: 51: Hoare triple {3516#(<= 6 |id2_#in~x|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3516#(<= 6 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,681 INFO L280 TraceCheckUtils]: 52: Hoare triple {3516#(<= 6 |id2_#in~x|)} #res := 1 + #t~ret1; {3516#(<= 6 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,682 INFO L280 TraceCheckUtils]: 53: Hoare triple {3516#(<= 6 |id2_#in~x|)} havoc #t~ret1; {3516#(<= 6 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,682 INFO L280 TraceCheckUtils]: 54: Hoare triple {3516#(<= 6 |id2_#in~x|)} assume true; {3516#(<= 6 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,684 INFO L275 TraceCheckUtils]: 55: Hoare quadruple {3516#(<= 6 |id2_#in~x|)} {3415#(= |id_#in~x| id_~x)} #50#return; {3469#(<= 7 |id_#in~x|)} is VALID [2020-07-08 22:07:11,684 INFO L280 TraceCheckUtils]: 56: Hoare triple {3469#(<= 7 |id_#in~x|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3469#(<= 7 |id_#in~x|)} is VALID [2020-07-08 22:07:11,685 INFO L280 TraceCheckUtils]: 57: Hoare triple {3469#(<= 7 |id_#in~x|)} #res := 1 + #t~ret0; {3469#(<= 7 |id_#in~x|)} is VALID [2020-07-08 22:07:11,686 INFO L280 TraceCheckUtils]: 58: Hoare triple {3469#(<= 7 |id_#in~x|)} havoc #t~ret0; {3469#(<= 7 |id_#in~x|)} is VALID [2020-07-08 22:07:11,686 INFO L280 TraceCheckUtils]: 59: Hoare triple {3469#(<= 7 |id_#in~x|)} assume true; {3469#(<= 7 |id_#in~x|)} is VALID [2020-07-08 22:07:11,688 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {3469#(<= 7 |id_#in~x|)} {3353#(and (<= main_~input~0 5) (<= 5 main_~input~0))} #48#return; {3350#false} is VALID [2020-07-08 22:07:11,694 INFO L263 TraceCheckUtils]: 0: Hoare triple {3349#true} call ULTIMATE.init(); {3349#true} is VALID [2020-07-08 22:07:11,694 INFO L280 TraceCheckUtils]: 1: Hoare triple {3349#true} assume true; {3349#true} is VALID [2020-07-08 22:07:11,694 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3349#true} {3349#true} #44#return; {3349#true} is VALID [2020-07-08 22:07:11,695 INFO L263 TraceCheckUtils]: 3: Hoare triple {3349#true} call #t~ret3 := main(); {3349#true} is VALID [2020-07-08 22:07:11,696 INFO L280 TraceCheckUtils]: 4: Hoare triple {3349#true} ~input~0 := 5; {3353#(and (<= main_~input~0 5) (<= 5 main_~input~0))} is VALID [2020-07-08 22:07:11,696 INFO L263 TraceCheckUtils]: 5: Hoare triple {3353#(and (<= main_~input~0 5) (<= 5 main_~input~0))} call #t~ret2 := id(~input~0); {3349#true} is VALID [2020-07-08 22:07:11,696 INFO L280 TraceCheckUtils]: 6: Hoare triple {3349#true} ~x := #in~x; {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,697 INFO L280 TraceCheckUtils]: 7: Hoare triple {3415#(= |id_#in~x| id_~x)} assume !(0 == ~x); {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,697 INFO L263 TraceCheckUtils]: 8: Hoare triple {3415#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {3349#true} is VALID [2020-07-08 22:07:11,698 INFO L280 TraceCheckUtils]: 9: Hoare triple {3349#true} ~x := #in~x; {3470#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:11,698 INFO L280 TraceCheckUtils]: 10: Hoare triple {3470#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {3470#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:11,698 INFO L263 TraceCheckUtils]: 11: Hoare triple {3470#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {3349#true} is VALID [2020-07-08 22:07:11,699 INFO L280 TraceCheckUtils]: 12: Hoare triple {3349#true} ~x := #in~x; {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,700 INFO L280 TraceCheckUtils]: 13: Hoare triple {3415#(= |id_#in~x| id_~x)} assume !(0 == ~x); {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,700 INFO L263 TraceCheckUtils]: 14: Hoare triple {3415#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {3349#true} is VALID [2020-07-08 22:07:11,700 INFO L280 TraceCheckUtils]: 15: Hoare triple {3349#true} ~x := #in~x; {3470#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:11,701 INFO L280 TraceCheckUtils]: 16: Hoare triple {3470#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {3470#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:11,701 INFO L263 TraceCheckUtils]: 17: Hoare triple {3470#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {3349#true} is VALID [2020-07-08 22:07:11,702 INFO L280 TraceCheckUtils]: 18: Hoare triple {3349#true} ~x := #in~x; {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,703 INFO L280 TraceCheckUtils]: 19: Hoare triple {3415#(= |id_#in~x| id_~x)} assume !(0 == ~x); {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,703 INFO L263 TraceCheckUtils]: 20: Hoare triple {3415#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {3349#true} is VALID [2020-07-08 22:07:11,703 INFO L280 TraceCheckUtils]: 21: Hoare triple {3349#true} ~x := #in~x; {3470#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:11,704 INFO L280 TraceCheckUtils]: 22: Hoare triple {3470#(= id2_~x |id2_#in~x|)} assume !(0 == ~x); {3470#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:11,704 INFO L263 TraceCheckUtils]: 23: Hoare triple {3470#(= id2_~x |id2_#in~x|)} call #t~ret1 := id(~x - 1); {3349#true} is VALID [2020-07-08 22:07:11,705 INFO L280 TraceCheckUtils]: 24: Hoare triple {3349#true} ~x := #in~x; {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,706 INFO L280 TraceCheckUtils]: 25: Hoare triple {3415#(= |id_#in~x| id_~x)} assume !(0 == ~x); {3415#(= |id_#in~x| id_~x)} is VALID [2020-07-08 22:07:11,706 INFO L263 TraceCheckUtils]: 26: Hoare triple {3415#(= |id_#in~x| id_~x)} call #t~ret0 := id2(~x - 1); {3349#true} is VALID [2020-07-08 22:07:11,706 INFO L280 TraceCheckUtils]: 27: Hoare triple {3349#true} ~x := #in~x; {3470#(= id2_~x |id2_#in~x|)} is VALID [2020-07-08 22:07:11,707 INFO L280 TraceCheckUtils]: 28: Hoare triple {3470#(= id2_~x |id2_#in~x|)} assume 0 == ~x; {3627#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,707 INFO L280 TraceCheckUtils]: 29: Hoare triple {3627#(= 0 |id2_#in~x|)} #res := 0; {3627#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,708 INFO L280 TraceCheckUtils]: 30: Hoare triple {3627#(= 0 |id2_#in~x|)} assume true; {3627#(= 0 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,709 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {3627#(= 0 |id2_#in~x|)} {3415#(= |id_#in~x| id_~x)} #50#return; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,710 INFO L280 TraceCheckUtils]: 32: Hoare triple {3626#(<= 1 |id_#in~x|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,710 INFO L280 TraceCheckUtils]: 33: Hoare triple {3626#(<= 1 |id_#in~x|)} #res := 1 + #t~ret0; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,711 INFO L280 TraceCheckUtils]: 34: Hoare triple {3626#(<= 1 |id_#in~x|)} havoc #t~ret0; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,711 INFO L280 TraceCheckUtils]: 35: Hoare triple {3626#(<= 1 |id_#in~x|)} assume true; {3626#(<= 1 |id_#in~x|)} is VALID [2020-07-08 22:07:11,713 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {3626#(<= 1 |id_#in~x|)} {3470#(= id2_~x |id2_#in~x|)} #42#return; {3620#(<= 2 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,713 INFO L280 TraceCheckUtils]: 37: Hoare triple {3620#(<= 2 |id2_#in~x|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3620#(<= 2 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,714 INFO L280 TraceCheckUtils]: 38: Hoare triple {3620#(<= 2 |id2_#in~x|)} #res := 1 + #t~ret1; {3620#(<= 2 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,715 INFO L280 TraceCheckUtils]: 39: Hoare triple {3620#(<= 2 |id2_#in~x|)} havoc #t~ret1; {3620#(<= 2 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,715 INFO L280 TraceCheckUtils]: 40: Hoare triple {3620#(<= 2 |id2_#in~x|)} assume true; {3620#(<= 2 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,716 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {3620#(<= 2 |id2_#in~x|)} {3415#(= |id_#in~x| id_~x)} #50#return; {3606#(<= 3 |id_#in~x|)} is VALID [2020-07-08 22:07:11,717 INFO L280 TraceCheckUtils]: 42: Hoare triple {3606#(<= 3 |id_#in~x|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3606#(<= 3 |id_#in~x|)} is VALID [2020-07-08 22:07:11,718 INFO L280 TraceCheckUtils]: 43: Hoare triple {3606#(<= 3 |id_#in~x|)} #res := 1 + #t~ret0; {3606#(<= 3 |id_#in~x|)} is VALID [2020-07-08 22:07:11,718 INFO L280 TraceCheckUtils]: 44: Hoare triple {3606#(<= 3 |id_#in~x|)} havoc #t~ret0; {3606#(<= 3 |id_#in~x|)} is VALID [2020-07-08 22:07:11,719 INFO L280 TraceCheckUtils]: 45: Hoare triple {3606#(<= 3 |id_#in~x|)} assume true; {3606#(<= 3 |id_#in~x|)} is VALID [2020-07-08 22:07:11,720 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {3606#(<= 3 |id_#in~x|)} {3470#(= id2_~x |id2_#in~x|)} #42#return; {3584#(<= 4 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,720 INFO L280 TraceCheckUtils]: 47: Hoare triple {3584#(<= 4 |id2_#in~x|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3584#(<= 4 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,721 INFO L280 TraceCheckUtils]: 48: Hoare triple {3584#(<= 4 |id2_#in~x|)} #res := 1 + #t~ret1; {3584#(<= 4 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,721 INFO L280 TraceCheckUtils]: 49: Hoare triple {3584#(<= 4 |id2_#in~x|)} havoc #t~ret1; {3584#(<= 4 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,722 INFO L280 TraceCheckUtils]: 50: Hoare triple {3584#(<= 4 |id2_#in~x|)} assume true; {3584#(<= 4 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,723 INFO L275 TraceCheckUtils]: 51: Hoare quadruple {3584#(<= 4 |id2_#in~x|)} {3415#(= |id_#in~x| id_~x)} #50#return; {3554#(<= 5 |id_#in~x|)} is VALID [2020-07-08 22:07:11,723 INFO L280 TraceCheckUtils]: 52: Hoare triple {3554#(<= 5 |id_#in~x|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3554#(<= 5 |id_#in~x|)} is VALID [2020-07-08 22:07:11,724 INFO L280 TraceCheckUtils]: 53: Hoare triple {3554#(<= 5 |id_#in~x|)} #res := 1 + #t~ret0; {3554#(<= 5 |id_#in~x|)} is VALID [2020-07-08 22:07:11,725 INFO L280 TraceCheckUtils]: 54: Hoare triple {3554#(<= 5 |id_#in~x|)} havoc #t~ret0; {3554#(<= 5 |id_#in~x|)} is VALID [2020-07-08 22:07:11,725 INFO L280 TraceCheckUtils]: 55: Hoare triple {3554#(<= 5 |id_#in~x|)} assume true; {3554#(<= 5 |id_#in~x|)} is VALID [2020-07-08 22:07:11,727 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {3554#(<= 5 |id_#in~x|)} {3470#(= id2_~x |id2_#in~x|)} #42#return; {3516#(<= 6 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,727 INFO L280 TraceCheckUtils]: 57: Hoare triple {3516#(<= 6 |id2_#in~x|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3516#(<= 6 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,728 INFO L280 TraceCheckUtils]: 58: Hoare triple {3516#(<= 6 |id2_#in~x|)} #res := 1 + #t~ret1; {3516#(<= 6 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,728 INFO L280 TraceCheckUtils]: 59: Hoare triple {3516#(<= 6 |id2_#in~x|)} havoc #t~ret1; {3516#(<= 6 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,729 INFO L280 TraceCheckUtils]: 60: Hoare triple {3516#(<= 6 |id2_#in~x|)} assume true; {3516#(<= 6 |id2_#in~x|)} is VALID [2020-07-08 22:07:11,730 INFO L275 TraceCheckUtils]: 61: Hoare quadruple {3516#(<= 6 |id2_#in~x|)} {3415#(= |id_#in~x| id_~x)} #50#return; {3469#(<= 7 |id_#in~x|)} is VALID [2020-07-08 22:07:11,730 INFO L280 TraceCheckUtils]: 62: Hoare triple {3469#(<= 7 |id_#in~x|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3469#(<= 7 |id_#in~x|)} is VALID [2020-07-08 22:07:11,731 INFO L280 TraceCheckUtils]: 63: Hoare triple {3469#(<= 7 |id_#in~x|)} #res := 1 + #t~ret0; {3469#(<= 7 |id_#in~x|)} is VALID [2020-07-08 22:07:11,731 INFO L280 TraceCheckUtils]: 64: Hoare triple {3469#(<= 7 |id_#in~x|)} havoc #t~ret0; {3469#(<= 7 |id_#in~x|)} is VALID [2020-07-08 22:07:11,732 INFO L280 TraceCheckUtils]: 65: Hoare triple {3469#(<= 7 |id_#in~x|)} assume true; {3469#(<= 7 |id_#in~x|)} is VALID [2020-07-08 22:07:11,732 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {3469#(<= 7 |id_#in~x|)} {3353#(and (<= main_~input~0 5) (<= 5 main_~input~0))} #48#return; {3350#false} is VALID [2020-07-08 22:07:11,733 INFO L280 TraceCheckUtils]: 67: Hoare triple {3350#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3350#false} is VALID [2020-07-08 22:07:11,733 INFO L280 TraceCheckUtils]: 68: Hoare triple {3350#false} ~result~0 := #t~ret2; {3350#false} is VALID [2020-07-08 22:07:11,733 INFO L280 TraceCheckUtils]: 69: Hoare triple {3350#false} havoc #t~ret2; {3350#false} is VALID [2020-07-08 22:07:11,733 INFO L280 TraceCheckUtils]: 70: Hoare triple {3350#false} assume 5 != ~result~0; {3350#false} is VALID [2020-07-08 22:07:11,733 INFO L280 TraceCheckUtils]: 71: Hoare triple {3350#false} assume !false; {3350#false} is VALID [2020-07-08 22:07:11,738 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 45 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-07-08 22:07:11,739 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [409957024] [2020-07-08 22:07:11,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 22:07:11,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-07-08 22:07:11,739 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752431016] [2020-07-08 22:07:11,740 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 72 [2020-07-08 22:07:11,740 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:07:11,740 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states. [2020-07-08 22:07:11,793 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:07:11,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-08 22:07:11,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:07:11,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-08 22:07:11,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-07-08 22:07:11,794 INFO L87 Difference]: Start difference. First operand 68 states and 69 transitions. Second operand 13 states. [2020-07-08 22:07:13,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:07:13,027 INFO L93 Difference]: Finished difference Result 101 states and 108 transitions. [2020-07-08 22:07:13,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-08 22:07:13,028 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 72 [2020-07-08 22:07:13,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:07:13,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-07-08 22:07:13,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 84 transitions. [2020-07-08 22:07:13,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-07-08 22:07:13,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 84 transitions. [2020-07-08 22:07:13,035 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 18 states and 84 transitions. [2020-07-08 22:07:13,143 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 22:07:13,144 INFO L225 Difference]: With dead ends: 101 [2020-07-08 22:07:13,144 INFO L226 Difference]: Without dead ends: 0 [2020-07-08 22:07:13,146 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2020-07-08 22:07:13,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-08 22:07:13,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-08 22:07:13,147 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:07:13,147 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-08 22:07:13,147 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-08 22:07:13,147 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-08 22:07:13,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:07:13,148 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-08 22:07:13,148 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-08 22:07:13,148 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:07:13,148 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:07:13,148 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-08 22:07:13,149 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-08 22:07:13,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:07:13,149 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-08 22:07:13,149 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-08 22:07:13,149 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:07:13,149 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:07:13,150 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:07:13,150 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:07:13,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-08 22:07:13,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-08 22:07:13,150 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2020-07-08 22:07:13,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:07:13,150 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-08 22:07:13,151 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-08 22:07:13,151 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 0 states and 0 transitions. [2020-07-08 22:07:13,151 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:07:13,151 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-08 22:07:13,151 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:07:13,151 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-08 22:07:13,153 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-08 22:07:14,290 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 30 [2020-07-08 22:07:14,686 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 34 [2020-07-08 22:07:15,128 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 38 [2020-07-08 22:07:15,405 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 34 [2020-07-08 22:07:15,624 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 30 [2020-07-08 22:07:15,984 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 41 [2020-07-08 22:07:16,405 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 38 [2020-07-08 22:07:16,553 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31 [2020-07-08 22:07:16,763 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31 [2020-07-08 22:07:16,956 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 33 [2020-07-08 22:07:16,965 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-08 22:07:16,965 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-08 22:07:16,966 INFO L264 CegarLoopResult]: At program point L14(line 14) the Hoare annotation is: (= id2_~x |id2_#in~x|) [2020-07-08 22:07:16,966 INFO L264 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: (= id2_~x |id2_#in~x|) [2020-07-08 22:07:16,966 INFO L264 CegarLoopResult]: At program point L14-1(line 14) the Hoare annotation is: (let ((.cse2 (= id2_~x |id2_#in~x|))) (let ((.cse0 (and (or (and (<= |id2_#in~x| 3) .cse2) (and (<= |id2_#t~ret1| 3) .cse2 (<= 3 |id2_#t~ret1|))) (<= 3 |id2_#in~x|))) (.cse1 (and (<= 5 |id2_#in~x|) .cse2))) (and (or .cse0 .cse1 (not (<= 4 |id2_#in~x|))) (or (and (or (and (<= 1 |id2_#t~ret1|) .cse2 (<= |id2_#t~ret1| 1)) (and (<= |id2_#in~x| 1) .cse2)) (<= 1 |id2_#in~x|)) .cse0 .cse1)))) [2020-07-08 22:07:16,966 INFO L264 CegarLoopResult]: At program point L13-1(line 13) the Hoare annotation is: (and (= 0 |id2_#in~x|) (= id2_~x |id2_#in~x|)) [2020-07-08 22:07:16,967 INFO L264 CegarLoopResult]: At program point L14-2(line 14) the Hoare annotation is: (let ((.cse2 (= id2_~x |id2_#in~x|))) (let ((.cse0 (and (or (and (<= |id2_#in~x| 3) .cse2) (and (<= |id2_#t~ret1| 3) .cse2 (<= 3 |id2_#t~ret1|))) (<= 3 |id2_#in~x|))) (.cse1 (and (<= 5 |id2_#in~x|) .cse2))) (and (or .cse0 .cse1 (not (<= 4 |id2_#in~x|))) (or (and (or (and (<= 1 |id2_#t~ret1|) .cse2 (<= |id2_#t~ret1| 1)) (and (<= |id2_#in~x| 1) .cse2)) (<= 1 |id2_#in~x|)) .cse0 .cse1)))) [2020-07-08 22:07:16,967 INFO L264 CegarLoopResult]: At program point L14-3(line 14) the Hoare annotation is: (let ((.cse0 (<= |id2_#in~x| 3)) (.cse1 (= id2_~x |id2_#in~x|))) (or (and (or (and (<= 2 |id2_#res|) .cse0 (<= 1 |id2_#t~ret1|) (<= |id2_#res| 2) .cse1 (<= |id2_#t~ret1| 1)) (and (<= |id2_#in~x| 1) .cse1)) (<= 1 |id2_#in~x|)) (and (<= 5 |id2_#in~x|) .cse1) (and (<= 3 |id2_#in~x|) (or (and (<= |id2_#t~ret1| 3) (<= |id2_#res| 4) .cse1 (<= 3 |id2_#t~ret1|) (<= 4 |id2_#res|)) (and .cse0 .cse1))))) [2020-07-08 22:07:16,967 INFO L264 CegarLoopResult]: At program point id2EXIT(lines 12 15) the Hoare annotation is: (let ((.cse0 (= id2_~x |id2_#in~x|)) (.cse1 (<= |id2_#in~x| 3))) (or (and (<= 5 |id2_#in~x|) .cse0) (and (or .cse1 (and (<= |id2_#res| 4) (<= 4 |id2_#res|))) .cse0 (<= 3 |id2_#in~x|)) (and (= 0 |id2_#in~x|) .cse0 (= 0 |id2_#res|)) (and .cse0 (or (<= |id2_#in~x| 1) (and (<= 2 |id2_#res|) .cse1 (<= |id2_#res| 2))) (<= 1 |id2_#in~x|)))) [2020-07-08 22:07:16,967 INFO L271 CegarLoopResult]: At program point id2ENTRY(lines 12 15) the Hoare annotation is: true [2020-07-08 22:07:16,968 INFO L264 CegarLoopResult]: At program point id2FINAL(lines 12 15) the Hoare annotation is: (let ((.cse0 (= id2_~x |id2_#in~x|)) (.cse1 (<= |id2_#in~x| 3))) (or (and (<= 5 |id2_#in~x|) .cse0) (and (or .cse1 (and (<= |id2_#res| 4) (<= 4 |id2_#res|))) .cse0 (<= 3 |id2_#in~x|)) (and (= 0 |id2_#in~x|) .cse0 (= 0 |id2_#res|)) (and .cse0 (or (<= |id2_#in~x| 1) (and (<= 2 |id2_#res|) .cse1 (<= |id2_#res| 2))) (<= 1 |id2_#in~x|)))) [2020-07-08 22:07:16,968 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-08 22:07:16,968 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-08 22:07:16,968 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-08 22:07:16,968 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-08 22:07:16,968 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) the Hoare annotation is: false [2020-07-08 22:07:16,969 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 17 23) the Hoare annotation is: true [2020-07-08 22:07:16,969 INFO L264 CegarLoopResult]: At program point mainEXIT(lines 17 23) the Hoare annotation is: (<= 5 main_~input~0) [2020-07-08 22:07:16,969 INFO L264 CegarLoopResult]: At program point L21(line 21) the Hoare annotation is: false [2020-07-08 22:07:16,969 INFO L264 CegarLoopResult]: At program point L20(lines 20 22) the Hoare annotation is: (and (<= 5 main_~input~0) (< 4 main_~result~0) (<= main_~result~0 5)) [2020-07-08 22:07:16,969 INFO L264 CegarLoopResult]: At program point L19(line 19) the Hoare annotation is: (and (<= main_~input~0 5) (<= 5 main_~input~0)) [2020-07-08 22:07:16,969 INFO L264 CegarLoopResult]: At program point L19-1(line 19) the Hoare annotation is: (and (<= |main_#t~ret2| 5) (<= 5 |main_#t~ret2|) (<= 5 main_~input~0)) [2020-07-08 22:07:16,969 INFO L264 CegarLoopResult]: At program point L20-2(lines 17 23) the Hoare annotation is: (<= 5 main_~input~0) [2020-07-08 22:07:16,969 INFO L264 CegarLoopResult]: At program point L19-2(line 19) the Hoare annotation is: (and (<= |main_#t~ret2| 5) (<= 5 |main_#t~ret2|) (<= 5 main_~input~0)) [2020-07-08 22:07:16,969 INFO L264 CegarLoopResult]: At program point L19-3(line 19) the Hoare annotation is: (and (<= |main_#t~ret2| 5) (<= 5 |main_#t~ret2|) (<= 5 main_~input~0) (< 4 main_~result~0) (<= main_~result~0 5)) [2020-07-08 22:07:16,970 INFO L264 CegarLoopResult]: At program point idFINAL(lines 7 10) the Hoare annotation is: (let ((.cse3 (<= |id_#in~x| 2))) (and (let ((.cse2 (= 0 |id_#in~x|)) (.cse0 (= |id_#in~x| id_~x))) (let ((.cse1 (or (and (<= 1 |id_#res|) (<= |id_#res| 1) .cse3 .cse0) (and .cse2 .cse0)))) (or (and .cse0 (<= 2 |id_#in~x|)) (and (<= 1 |id_#in~x|) .cse1) (and .cse2 .cse1)))) (or (<= 4 |id_#in~x|) (and (<= |id_#res| 3) (<= 3 |id_#res|)) .cse3) (or (<= 6 |id_#in~x|) (and (<= 5 |id_#res|) (<= |id_#res| 5)) (<= |id_#in~x| 4)))) [2020-07-08 22:07:16,970 INFO L264 CegarLoopResult]: At program point idEXIT(lines 7 10) the Hoare annotation is: (let ((.cse3 (<= |id_#in~x| 2))) (and (let ((.cse2 (= 0 |id_#in~x|)) (.cse0 (= |id_#in~x| id_~x))) (let ((.cse1 (or (and (<= 1 |id_#res|) (<= |id_#res| 1) .cse3 .cse0) (and .cse2 .cse0)))) (or (and .cse0 (<= 2 |id_#in~x|)) (and (<= 1 |id_#in~x|) .cse1) (and .cse2 .cse1)))) (or (<= 4 |id_#in~x|) (and (<= |id_#res| 3) (<= 3 |id_#res|)) .cse3) (or (<= 6 |id_#in~x|) (and (<= 5 |id_#res|) (<= |id_#res| 5)) (<= |id_#in~x| 4)))) [2020-07-08 22:07:16,970 INFO L264 CegarLoopResult]: At program point L9(line 9) the Hoare annotation is: (= |id_#in~x| id_~x) [2020-07-08 22:07:16,970 INFO L264 CegarLoopResult]: At program point L8(line 8) the Hoare annotation is: (= |id_#in~x| id_~x) [2020-07-08 22:07:16,970 INFO L264 CegarLoopResult]: At program point L9-1(line 9) the Hoare annotation is: (let ((.cse2 (<= |id_#in~x| 4)) (.cse3 (<= 2 |id_#in~x|))) (let ((.cse0 (and (or (and (<= |id_#t~ret0| 2) (<= 2 |id_#t~ret0|) .cse2) (<= |id_#in~x| 2)) .cse3))) (and (or .cse0 (and (= 0 |id_#t~ret0|) (<= 1 |id_#in~x|)) (<= 3 |id_#in~x|)) (let ((.cse1 (= |id_#in~x| id_~x))) (or (and .cse1 (<= 6 |id_#in~x|)) (and (<= 4 |id_#t~ret0|) (<= |id_#t~ret0| 4) .cse1) (and .cse1 .cse2))) (or (<= 4 |id_#in~x|) .cse0 (not .cse3))))) [2020-07-08 22:07:16,970 INFO L271 CegarLoopResult]: At program point idENTRY(lines 7 10) the Hoare annotation is: true [2020-07-08 22:07:16,971 INFO L264 CegarLoopResult]: At program point L8-1(line 8) the Hoare annotation is: (and (= 0 |id_#in~x|) (= |id_#in~x| id_~x)) [2020-07-08 22:07:16,971 INFO L264 CegarLoopResult]: At program point L9-2(line 9) the Hoare annotation is: (let ((.cse2 (<= |id_#in~x| 4)) (.cse3 (<= 2 |id_#in~x|))) (let ((.cse0 (and (or (and (<= |id_#t~ret0| 2) (<= 2 |id_#t~ret0|) .cse2) (<= |id_#in~x| 2)) .cse3))) (and (or .cse0 (and (= 0 |id_#t~ret0|) (<= 1 |id_#in~x|)) (<= 3 |id_#in~x|)) (let ((.cse1 (= |id_#in~x| id_~x))) (or (and .cse1 (<= 6 |id_#in~x|)) (and (<= 4 |id_#t~ret0|) (<= |id_#t~ret0| 4) .cse1) (and .cse1 .cse2))) (or (<= 4 |id_#in~x|) .cse0 (not .cse3))))) [2020-07-08 22:07:16,971 INFO L264 CegarLoopResult]: At program point L9-3(line 9) the Hoare annotation is: (let ((.cse0 (<= |id_#in~x| 4)) (.cse3 (= |id_#in~x| id_~x)) (.cse2 (<= 2 |id_#in~x|))) (let ((.cse1 (and (or (and (<= |id_#res| 3) (<= |id_#t~ret0| 2) (<= 3 |id_#res|) (<= 2 |id_#t~ret0|) .cse0) (<= |id_#in~x| 2)) .cse3 .cse2))) (and (or (and (<= 4 |id_#t~ret0|) (<= |id_#t~ret0| 4) (<= 5 |id_#res|) (<= |id_#res| 5)) (<= 6 |id_#in~x|) .cse0) (or (<= 4 |id_#in~x|) .cse1 (not .cse2)) (or (and (<= 3 |id_#in~x|) .cse3) .cse1 (and (= 0 |id_#t~ret0|) (<= 1 |id_#res|) (<= 1 |id_#in~x|) (<= |id_#res| 1) .cse3))))) [2020-07-08 22:07:16,997 INFO L163 areAnnotationChecker]: CFG has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-08 22:07:17,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 10:07:17 BoogieIcfgContainer [2020-07-08 22:07:17,024 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 22:07:17,029 INFO L168 Benchmark]: Toolchain (without parser) took 16388.77 ms. Allocated memory was 138.9 MB in the beginning and 372.2 MB in the end (delta: 233.3 MB). Free memory was 104.5 MB in the beginning and 125.2 MB in the end (delta: -20.7 MB). Peak memory consumption was 212.6 MB. Max. memory is 7.1 GB. [2020-07-08 22:07:17,030 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 138.9 MB. Free memory was 122.4 MB in the beginning and 122.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-08 22:07:17,031 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.19 ms. Allocated memory is still 138.9 MB. Free memory was 104.3 MB in the beginning and 94.7 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2020-07-08 22:07:17,031 INFO L168 Benchmark]: Boogie Preprocessor took 121.29 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 94.7 MB in the beginning and 182.7 MB in the end (delta: -88.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. [2020-07-08 22:07:17,037 INFO L168 Benchmark]: RCFGBuilder took 414.34 ms. Allocated memory is still 203.4 MB. Free memory was 182.7 MB in the beginning and 164.7 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 7.1 GB. [2020-07-08 22:07:17,038 INFO L168 Benchmark]: TraceAbstraction took 15578.64 ms. Allocated memory was 203.4 MB in the beginning and 372.2 MB in the end (delta: 168.8 MB). Free memory was 164.7 MB in the beginning and 125.2 MB in the end (delta: 39.5 MB). Peak memory consumption was 208.3 MB. Max. memory is 7.1 GB. [2020-07-08 22:07:17,041 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 0.26 ms. Allocated memory is still 138.9 MB. Free memory was 122.4 MB in the beginning and 122.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 268.19 ms. Allocated memory is still 138.9 MB. Free memory was 104.3 MB in the beginning and 94.7 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.29 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 94.7 MB in the beginning and 182.7 MB in the end (delta: -88.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 414.34 ms. Allocated memory is still 203.4 MB. Free memory was 182.7 MB in the beginning and 164.7 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15578.64 ms. Allocated memory was 203.4 MB in the beginning and 372.2 MB in the end (delta: 168.8 MB). Free memory was 164.7 MB in the beginning and 125.2 MB in the end (delta: 39.5 MB). Peak memory consumption was 208.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 21]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 12]: Procedure Contract for id2 Derived contract for procedure id2: (((5 <= \old(x) && x == \old(x)) || (((\old(x) <= 3 || (\result <= 4 && 4 <= \result)) && x == \old(x)) && 3 <= \old(x))) || ((0 == \old(x) && x == \old(x)) && 0 == \result)) || ((x == \old(x) && (\old(x) <= 1 || ((2 <= \result && \old(x) <= 3) && \result <= 2))) && 1 <= \old(x)) - ProcedureContractResult [Line: 17]: Procedure Contract for main Derived contract for procedure main: 5 <= input - ProcedureContractResult [Line: 7]: Procedure Contract for id Derived contract for procedure id: ((((\old(x) == x && 2 <= \old(x)) || (1 <= \old(x) && ((((1 <= \result && \result <= 1) && \old(x) <= 2) && \old(x) == x) || (0 == \old(x) && \old(x) == x)))) || (0 == \old(x) && ((((1 <= \result && \result <= 1) && \old(x) <= 2) && \old(x) == x) || (0 == \old(x) && \old(x) == x)))) && ((4 <= \old(x) || (\result <= 3 && 3 <= \result)) || \old(x) <= 2)) && ((6 <= \old(x) || (5 <= \result && \result <= 5)) || \old(x) <= 4) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.6s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 6.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 260 SDtfs, 193 SDslu, 1669 SDs, 0 SdLazy, 846 SolverSat, 40 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 190 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 8 MinimizatonAttempts, 90 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 88 PreInvPairs, 383 NumberOfFragments, 894 HoareAnnotationTreeSize, 88 FomulaSimplifications, 22256 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 34 FomulaSimplificationsInter, 3126 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 352 NumberOfCodeBlocks, 352 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 344 ConstructedInterpolants, 0 QuantifiedInterpolants, 47966 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 165/224 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...