java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label21_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 06:02:41,446 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 06:02:41,448 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 06:02:41,461 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 06:02:41,461 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 06:02:41,462 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 06:02:41,464 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 06:02:41,466 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 06:02:41,467 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 06:02:41,468 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 06:02:41,469 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 06:02:41,469 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 06:02:41,470 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 06:02:41,471 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 06:02:41,472 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 06:02:41,473 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 06:02:41,474 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 06:02:41,476 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 06:02:41,478 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 06:02:41,479 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 06:02:41,480 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 06:02:41,482 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 06:02:41,487 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 06:02:41,487 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 06:02:41,487 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 06:02:41,488 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 06:02:41,489 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 06:02:41,490 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 06:02:41,492 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 06:02:41,494 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 06:02:41,494 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 06:02:41,495 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-19 06:02:41,500 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf [2018-09-19 06:02:41,524 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 06:02:41,524 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 06:02:41,525 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 06:02:41,525 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 06:02:41,525 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 06:02:41,526 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 06:02:41,526 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-19 06:02:41,526 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 06:02:41,526 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-19 06:02:41,526 INFO L133 SettingsManager]: * Abstract domain=IntervalDomain [2018-09-19 06:02:41,527 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 06:02:41,527 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 06:02:41,527 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 06:02:41,528 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 06:02:41,528 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 06:02:41,528 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 06:02:41,528 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 06:02:41,529 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 06:02:41,529 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 06:02:41,529 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 06:02:41,529 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 06:02:41,529 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 06:02:41,530 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 06:02:41,530 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 06:02:41,530 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 06:02:41,530 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 06:02:41,531 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 06:02:41,531 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 06:02:41,531 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 06:02:41,531 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 06:02:41,531 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 06:02:41,532 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 06:02:41,532 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 06:02:41,532 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 06:02:41,532 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 06:02:41,576 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 06:02:41,588 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 06:02:41,591 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 06:02:41,593 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 06:02:41,593 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 06:02:41,594 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label21_true-unreach-call.c [2018-09-19 06:02:41,941 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d46e4e4f/a78357c3926c403cab0d412423561ff3/FLAGd28c056c7 [2018-09-19 06:02:42,210 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 06:02:42,211 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label21_true-unreach-call.c [2018-09-19 06:02:42,238 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d46e4e4f/a78357c3926c403cab0d412423561ff3/FLAGd28c056c7 [2018-09-19 06:02:42,262 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d46e4e4f/a78357c3926c403cab0d412423561ff3 [2018-09-19 06:02:42,273 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 06:02:42,277 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 06:02:42,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 06:02:42,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 06:02:42,287 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 06:02:42,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 06:02:42" (1/1) ... [2018-09-19 06:02:42,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@746fe49d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:02:42, skipping insertion in model container [2018-09-19 06:02:42,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 06:02:42" (1/1) ... [2018-09-19 06:02:42,303 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 06:02:42,832 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 06:02:42,854 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 06:02:42,992 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 06:02:43,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:02:43 WrapperNode [2018-09-19 06:02:43,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 06:02:43,057 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 06:02:43,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 06:02:43,057 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 06:02:43,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:02:43" (1/1) ... [2018-09-19 06:02:43,096 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:02:43" (1/1) ... [2018-09-19 06:02:43,183 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 06:02:43,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 06:02:43,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 06:02:43,184 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 06:02:43,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:02:43" (1/1) ... [2018-09-19 06:02:43,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:02:43" (1/1) ... [2018-09-19 06:02:43,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:02:43" (1/1) ... [2018-09-19 06:02:43,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:02:43" (1/1) ... [2018-09-19 06:02:43,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:02:43" (1/1) ... [2018-09-19 06:02:43,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:02:43" (1/1) ... [2018-09-19 06:02:43,440 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:02:43" (1/1) ... [2018-09-19 06:02:43,454 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 06:02:43,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 06:02:43,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 06:02:43,456 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 06:02:43,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:02:43" (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 [2018-09-19 06:02:43,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 06:02:43,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 06:02:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-19 06:02:43,537 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-19 06:02:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 06:02:43,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 06:02:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 06:02:43,538 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 06:02:47,173 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 06:02:47,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 06:02:47 BoogieIcfgContainer [2018-09-19 06:02:47,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 06:02:47,175 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 06:02:47,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 06:02:47,178 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 06:02:47,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 06:02:42" (1/3) ... [2018-09-19 06:02:47,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21a6bc69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 06:02:47, skipping insertion in model container [2018-09-19 06:02:47,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:02:43" (2/3) ... [2018-09-19 06:02:47,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21a6bc69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 06:02:47, skipping insertion in model container [2018-09-19 06:02:47,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 06:02:47" (3/3) ... [2018-09-19 06:02:47,182 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label21_true-unreach-call.c [2018-09-19 06:02:47,191 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 06:02:47,199 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 06:02:47,261 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 06:02:47,262 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 06:02:47,262 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 06:02:47,262 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 06:02:47,262 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 06:02:47,263 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 06:02:47,263 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 06:02:47,263 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 06:02:47,263 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 06:02:47,292 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-09-19 06:02:47,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-19 06:02:47,301 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:02:47,302 INFO L376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:02:47,303 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:02:47,309 INFO L82 PathProgramCache]: Analyzing trace with hash 763875860, now seen corresponding path program 1 times [2018-09-19 06:02:47,312 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:02:47,313 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 35 with the following transitions: [2018-09-19 06:02:47,316 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [173], [175], [796], [800], [806], [810], [817], [818], [819], [821] [2018-09-19 06:02:47,354 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:02:47,355 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:02:47,562 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:02:47,564 INFO L272 AbstractInterpreter]: Visited 33 different actions 33 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-09-19 06:02:47,601 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:02:47,755 INFO L232 lantSequenceWeakener]: Weakened 31 states. On average, predicates are now at 74.01% of their original sizes. [2018-09-19 06:02:47,755 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:02:47,917 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:02:47,919 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:02:47,919 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-19 06:02:47,919 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:02:47,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-19 06:02:47,930 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-19 06:02:47,930 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 06:02:47,933 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 6 states. [2018-09-19 06:02:50,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:02:50,470 INFO L93 Difference]: Finished difference Result 576 states and 995 transitions. [2018-09-19 06:02:50,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-19 06:02:50,473 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2018-09-19 06:02:50,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:02:50,490 INFO L225 Difference]: With dead ends: 576 [2018-09-19 06:02:50,491 INFO L226 Difference]: Without dead ends: 358 [2018-09-19 06:02:50,498 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 06:02:50,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2018-09-19 06:02:50,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 356. [2018-09-19 06:02:50,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-09-19 06:02:50,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 497 transitions. [2018-09-19 06:02:50,571 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 497 transitions. Word has length 34 [2018-09-19 06:02:50,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:02:50,572 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 497 transitions. [2018-09-19 06:02:50,572 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-19 06:02:50,572 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 497 transitions. [2018-09-19 06:02:50,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-09-19 06:02:50,578 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:02:50,578 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:02:50,578 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:02:50,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1453618365, now seen corresponding path program 1 times [2018-09-19 06:02:50,579 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:02:50,579 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 106 with the following transitions: [2018-09-19 06:02:50,580 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [173], [175], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:02:50,586 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:02:50,586 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:02:50,712 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:02:50,810 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:02:50,811 INFO L272 AbstractInterpreter]: Visited 78 different actions 221 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 06:02:50,849 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:02:50,997 INFO L232 lantSequenceWeakener]: Weakened 102 states. On average, predicates are now at 73.21% of their original sizes. [2018-09-19 06:02:50,998 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:02:51,594 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:02:51,594 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:02:51,594 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:02:51,595 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:02:51,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:02:51,597 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:02:51,597 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:02:51,598 INFO L87 Difference]: Start difference. First operand 356 states and 497 transitions. Second operand 10 states. [2018-09-19 06:02:55,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:02:55,298 INFO L93 Difference]: Finished difference Result 717 states and 1132 transitions. [2018-09-19 06:02:55,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-19 06:02:55,303 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2018-09-19 06:02:55,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:02:55,308 INFO L225 Difference]: With dead ends: 717 [2018-09-19 06:02:55,308 INFO L226 Difference]: Without dead ends: 511 [2018-09-19 06:02:55,312 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 111 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-09-19 06:02:55,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2018-09-19 06:02:55,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 505. [2018-09-19 06:02:55,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2018-09-19 06:02:55,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 669 transitions. [2018-09-19 06:02:55,347 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 669 transitions. Word has length 105 [2018-09-19 06:02:55,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:02:55,348 INFO L480 AbstractCegarLoop]: Abstraction has 505 states and 669 transitions. [2018-09-19 06:02:55,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:02:55,349 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 669 transitions. [2018-09-19 06:02:55,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-09-19 06:02:55,353 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:02:55,353 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:02:55,354 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:02:55,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1676021384, now seen corresponding path program 1 times [2018-09-19 06:02:55,354 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:02:55,355 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 115 with the following transitions: [2018-09-19 06:02:55,355 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [173], [175], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:02:55,360 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:02:55,360 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:02:55,422 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:02:55,551 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:02:55,551 INFO L272 AbstractInterpreter]: Visited 87 different actions 248 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 06:02:55,590 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:02:55,709 INFO L232 lantSequenceWeakener]: Weakened 111 states. On average, predicates are now at 73.17% of their original sizes. [2018-09-19 06:02:55,710 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:02:56,216 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:02:56,216 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:02:56,216 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:02:56,216 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:02:56,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:02:56,217 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:02:56,218 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:02:56,218 INFO L87 Difference]: Start difference. First operand 505 states and 669 transitions. Second operand 10 states. [2018-09-19 06:03:00,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:03:00,013 INFO L93 Difference]: Finished difference Result 1149 states and 1736 transitions. [2018-09-19 06:03:00,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:03:00,017 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 114 [2018-09-19 06:03:00,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:03:00,022 INFO L225 Difference]: With dead ends: 1149 [2018-09-19 06:03:00,022 INFO L226 Difference]: Without dead ends: 794 [2018-09-19 06:03:00,029 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 121 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:03:00,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2018-09-19 06:03:00,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 783. [2018-09-19 06:03:00,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 783 states. [2018-09-19 06:03:00,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 1001 transitions. [2018-09-19 06:03:00,067 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 1001 transitions. Word has length 114 [2018-09-19 06:03:00,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:03:00,068 INFO L480 AbstractCegarLoop]: Abstraction has 783 states and 1001 transitions. [2018-09-19 06:03:00,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:03:00,068 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1001 transitions. [2018-09-19 06:03:00,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-09-19 06:03:00,075 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:03:00,076 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 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] [2018-09-19 06:03:00,076 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:03:00,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1275256064, now seen corresponding path program 1 times [2018-09-19 06:03:00,076 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:03:00,077 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 151 with the following transitions: [2018-09-19 06:03:00,077 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [173], [175], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:03:00,083 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:03:00,083 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:03:00,214 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:03:00,452 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:03:00,452 INFO L272 AbstractInterpreter]: Visited 123 different actions 356 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 06:03:00,493 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:03:00,667 INFO L232 lantSequenceWeakener]: Weakened 147 states. On average, predicates are now at 73.06% of their original sizes. [2018-09-19 06:03:00,667 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:03:01,277 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:03:01,278 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:03:01,278 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:03:01,278 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:03:01,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:03:01,279 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:03:01,279 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:03:01,280 INFO L87 Difference]: Start difference. First operand 783 states and 1001 transitions. Second operand 10 states. [2018-09-19 06:03:04,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:03:04,788 INFO L93 Difference]: Finished difference Result 1723 states and 2332 transitions. [2018-09-19 06:03:04,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-19 06:03:04,788 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 150 [2018-09-19 06:03:04,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:03:04,795 INFO L225 Difference]: With dead ends: 1723 [2018-09-19 06:03:04,795 INFO L226 Difference]: Without dead ends: 1090 [2018-09-19 06:03:04,798 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 156 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-09-19 06:03:04,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1090 states. [2018-09-19 06:03:04,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1090 to 1081. [2018-09-19 06:03:04,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1081 states. [2018-09-19 06:03:04,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 1351 transitions. [2018-09-19 06:03:04,830 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 1351 transitions. Word has length 150 [2018-09-19 06:03:04,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:03:04,831 INFO L480 AbstractCegarLoop]: Abstraction has 1081 states and 1351 transitions. [2018-09-19 06:03:04,831 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:03:04,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1351 transitions. [2018-09-19 06:03:04,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-09-19 06:03:04,835 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:03:04,836 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:03:04,836 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:03:04,836 INFO L82 PathProgramCache]: Analyzing trace with hash -218739005, now seen corresponding path program 1 times [2018-09-19 06:03:04,836 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:03:04,837 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 170 with the following transitions: [2018-09-19 06:03:04,837 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [173], [175], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [754], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:03:04,842 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:03:04,842 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:03:05,051 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:03:05,052 INFO L272 AbstractInterpreter]: Visited 142 different actions 413 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 06:03:05,089 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:03:05,212 INFO L232 lantSequenceWeakener]: Weakened 166 states. On average, predicates are now at 73.02% of their original sizes. [2018-09-19 06:03:05,213 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:03:05,498 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:03:05,499 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:03:05,499 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:03:05,499 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:03:05,499 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:03:05,500 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:03:05,500 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:03:05,500 INFO L87 Difference]: Start difference. First operand 1081 states and 1351 transitions. Second operand 10 states. [2018-09-19 06:03:08,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:03:08,033 INFO L93 Difference]: Finished difference Result 2464 states and 3201 transitions. [2018-09-19 06:03:08,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-19 06:03:08,035 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 169 [2018-09-19 06:03:08,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:03:08,043 INFO L225 Difference]: With dead ends: 2464 [2018-09-19 06:03:08,044 INFO L226 Difference]: Without dead ends: 1533 [2018-09-19 06:03:08,047 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 175 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-09-19 06:03:08,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2018-09-19 06:03:08,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1521. [2018-09-19 06:03:08,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1521 states. [2018-09-19 06:03:08,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 1842 transitions. [2018-09-19 06:03:08,097 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 1842 transitions. Word has length 169 [2018-09-19 06:03:08,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:03:08,097 INFO L480 AbstractCegarLoop]: Abstraction has 1521 states and 1842 transitions. [2018-09-19 06:03:08,098 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:03:08,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 1842 transitions. [2018-09-19 06:03:08,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-09-19 06:03:08,102 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:03:08,102 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1] [2018-09-19 06:03:08,102 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:03:08,103 INFO L82 PathProgramCache]: Analyzing trace with hash -908240769, now seen corresponding path program 1 times [2018-09-19 06:03:08,103 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:03:08,103 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 182 with the following transitions: [2018-09-19 06:03:08,104 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [173], [175], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [518], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:03:08,106 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:03:08,106 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:03:08,145 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:03:08,230 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:03:08,231 INFO L272 AbstractInterpreter]: Visited 84 different actions 323 times. Merged at 7 different actions 20 times. Never widened. Found 4 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 06:03:08,270 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:03:08,404 INFO L232 lantSequenceWeakener]: Weakened 178 states. On average, predicates are now at 73.05% of their original sizes. [2018-09-19 06:03:08,405 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:03:08,744 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:03:08,745 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:03:08,745 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:03:08,745 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:03:08,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:03:08,746 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:03:08,746 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:03:08,746 INFO L87 Difference]: Start difference. First operand 1521 states and 1842 transitions. Second operand 10 states. [2018-09-19 06:03:10,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:03:10,803 INFO L93 Difference]: Finished difference Result 3061 states and 3845 transitions. [2018-09-19 06:03:10,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:03:10,811 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 181 [2018-09-19 06:03:10,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:03:10,821 INFO L225 Difference]: With dead ends: 3061 [2018-09-19 06:03:10,822 INFO L226 Difference]: Without dead ends: 1690 [2018-09-19 06:03:10,826 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 188 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:03:10,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2018-09-19 06:03:10,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1672. [2018-09-19 06:03:10,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1672 states. [2018-09-19 06:03:10,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2020 transitions. [2018-09-19 06:03:10,895 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2020 transitions. Word has length 181 [2018-09-19 06:03:10,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:03:10,896 INFO L480 AbstractCegarLoop]: Abstraction has 1672 states and 2020 transitions. [2018-09-19 06:03:10,896 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:03:10,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2020 transitions. [2018-09-19 06:03:10,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-09-19 06:03:10,900 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:03:10,900 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2018-09-19 06:03:10,900 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:03:10,901 INFO L82 PathProgramCache]: Analyzing trace with hash -673062629, now seen corresponding path program 1 times [2018-09-19 06:03:10,901 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:03:10,901 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 184 with the following transitions: [2018-09-19 06:03:10,902 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [173], [175], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [526], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:03:10,904 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:03:10,904 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:03:10,998 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:03:11,086 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:03:11,086 INFO L272 AbstractInterpreter]: Visited 86 different actions 332 times. Merged at 7 different actions 21 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 06:03:11,112 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:03:11,240 INFO L232 lantSequenceWeakener]: Weakened 180 states. On average, predicates are now at 73.05% of their original sizes. [2018-09-19 06:03:11,241 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:03:11,557 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:03:11,557 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:03:11,557 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:03:11,557 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:03:11,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:03:11,558 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:03:11,558 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:03:11,558 INFO L87 Difference]: Start difference. First operand 1672 states and 2020 transitions. Second operand 10 states. [2018-09-19 06:03:14,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:03:14,033 INFO L93 Difference]: Finished difference Result 3362 states and 4211 transitions. [2018-09-19 06:03:14,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:03:14,035 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 183 [2018-09-19 06:03:14,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:03:14,046 INFO L225 Difference]: With dead ends: 3362 [2018-09-19 06:03:14,047 INFO L226 Difference]: Without dead ends: 1840 [2018-09-19 06:03:14,051 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 190 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:03:14,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1840 states. [2018-09-19 06:03:14,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1840 to 1823. [2018-09-19 06:03:14,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1823 states. [2018-09-19 06:03:14,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1823 states to 1823 states and 2218 transitions. [2018-09-19 06:03:14,099 INFO L78 Accepts]: Start accepts. Automaton has 1823 states and 2218 transitions. Word has length 183 [2018-09-19 06:03:14,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:03:14,100 INFO L480 AbstractCegarLoop]: Abstraction has 1823 states and 2218 transitions. [2018-09-19 06:03:14,100 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:03:14,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1823 states and 2218 transitions. [2018-09-19 06:03:14,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-09-19 06:03:14,104 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:03:14,104 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:03:14,105 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:03:14,105 INFO L82 PathProgramCache]: Analyzing trace with hash -398366125, now seen corresponding path program 1 times [2018-09-19 06:03:14,105 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:03:14,105 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 188 with the following transitions: [2018-09-19 06:03:14,106 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [173], [175], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [542], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:03:14,111 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:03:14,111 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:03:14,140 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:03:14,231 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:03:14,231 INFO L272 AbstractInterpreter]: Visited 90 different actions 348 times. Merged at 7 different actions 21 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 06:03:14,269 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:03:14,395 INFO L232 lantSequenceWeakener]: Weakened 184 states. On average, predicates are now at 73.04% of their original sizes. [2018-09-19 06:03:14,396 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:03:14,735 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:03:14,735 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:03:14,735 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:03:14,735 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:03:14,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:03:14,736 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:03:14,736 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:03:14,736 INFO L87 Difference]: Start difference. First operand 1823 states and 2218 transitions. Second operand 10 states. [2018-09-19 06:03:19,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:03:19,193 INFO L93 Difference]: Finished difference Result 3819 states and 4796 transitions. [2018-09-19 06:03:19,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:03:19,196 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 187 [2018-09-19 06:03:19,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:03:19,206 INFO L225 Difference]: With dead ends: 3819 [2018-09-19 06:03:19,206 INFO L226 Difference]: Without dead ends: 2146 [2018-09-19 06:03:19,211 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 194 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:03:19,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2146 states. [2018-09-19 06:03:19,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2146 to 2123. [2018-09-19 06:03:19,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2123 states. [2018-09-19 06:03:19,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 2123 states and 2596 transitions. [2018-09-19 06:03:19,266 INFO L78 Accepts]: Start accepts. Automaton has 2123 states and 2596 transitions. Word has length 187 [2018-09-19 06:03:19,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:03:19,267 INFO L480 AbstractCegarLoop]: Abstraction has 2123 states and 2596 transitions. [2018-09-19 06:03:19,267 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:03:19,267 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 2596 transitions. [2018-09-19 06:03:19,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-09-19 06:03:19,270 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:03:19,270 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2018-09-19 06:03:19,271 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:03:19,271 INFO L82 PathProgramCache]: Analyzing trace with hash -789255317, now seen corresponding path program 1 times [2018-09-19 06:03:19,271 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:03:19,271 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 188 with the following transitions: [2018-09-19 06:03:19,272 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [173], [175], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [534], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:03:19,273 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:03:19,274 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:03:19,308 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:03:19,450 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:03:19,451 INFO L272 AbstractInterpreter]: Visited 88 different actions 340 times. Merged at 7 different actions 21 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 06:03:19,488 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:03:19,616 INFO L232 lantSequenceWeakener]: Weakened 184 states. On average, predicates are now at 73.04% of their original sizes. [2018-09-19 06:03:19,616 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:03:19,891 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:03:19,891 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:03:19,891 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:03:19,891 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:03:19,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:03:19,892 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:03:19,892 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:03:19,892 INFO L87 Difference]: Start difference. First operand 2123 states and 2596 transitions. Second operand 10 states. [2018-09-19 06:03:23,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:03:23,155 INFO L93 Difference]: Finished difference Result 4418 states and 5553 transitions. [2018-09-19 06:03:23,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:03:23,157 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 187 [2018-09-19 06:03:23,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:03:23,168 INFO L225 Difference]: With dead ends: 4418 [2018-09-19 06:03:23,169 INFO L226 Difference]: Without dead ends: 2445 [2018-09-19 06:03:23,174 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 194 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:03:23,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2445 states. [2018-09-19 06:03:23,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2445 to 2411. [2018-09-19 06:03:23,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2411 states. [2018-09-19 06:03:23,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2411 states to 2411 states and 2974 transitions. [2018-09-19 06:03:23,229 INFO L78 Accepts]: Start accepts. Automaton has 2411 states and 2974 transitions. Word has length 187 [2018-09-19 06:03:23,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:03:23,229 INFO L480 AbstractCegarLoop]: Abstraction has 2411 states and 2974 transitions. [2018-09-19 06:03:23,229 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:03:23,230 INFO L276 IsEmpty]: Start isEmpty. Operand 2411 states and 2974 transitions. [2018-09-19 06:03:23,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-09-19 06:03:23,233 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:03:23,234 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:03:23,234 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:03:23,234 INFO L82 PathProgramCache]: Analyzing trace with hash 1911743527, now seen corresponding path program 1 times [2018-09-19 06:03:23,234 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:03:23,235 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 194 with the following transitions: [2018-09-19 06:03:23,235 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [173], [175], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [566], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:03:23,237 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:03:23,237 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:03:23,266 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:03:25,707 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:03:25,708 INFO L272 AbstractInterpreter]: Visited 96 different actions 372 times. Merged at 7 different actions 21 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 06:03:25,712 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:03:26,307 INFO L232 lantSequenceWeakener]: Weakened 190 states. On average, predicates are now at 73.03% of their original sizes. [2018-09-19 06:03:26,308 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:03:26,384 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:03:26,384 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:03:26,384 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:03:26,384 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:03:26,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:03:26,385 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:03:26,385 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:03:26,386 INFO L87 Difference]: Start difference. First operand 2411 states and 2974 transitions. Second operand 10 states. [2018-09-19 06:03:27,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:03:27,903 INFO L93 Difference]: Finished difference Result 4850 states and 6141 transitions. [2018-09-19 06:03:27,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:03:27,904 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 193 [2018-09-19 06:03:27,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:03:27,915 INFO L225 Difference]: With dead ends: 4850 [2018-09-19 06:03:27,916 INFO L226 Difference]: Without dead ends: 2589 [2018-09-19 06:03:27,921 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 200 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:03:27,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2589 states. [2018-09-19 06:03:27,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2589 to 2566. [2018-09-19 06:03:27,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2566 states. [2018-09-19 06:03:27,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2566 states to 2566 states and 3192 transitions. [2018-09-19 06:03:27,977 INFO L78 Accepts]: Start accepts. Automaton has 2566 states and 3192 transitions. Word has length 193 [2018-09-19 06:03:27,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:03:27,978 INFO L480 AbstractCegarLoop]: Abstraction has 2566 states and 3192 transitions. [2018-09-19 06:03:27,978 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:03:27,978 INFO L276 IsEmpty]: Start isEmpty. Operand 2566 states and 3192 transitions. [2018-09-19 06:03:27,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-09-19 06:03:27,982 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:03:27,982 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:03:27,983 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:03:27,983 INFO L82 PathProgramCache]: Analyzing trace with hash -920465568, now seen corresponding path program 1 times [2018-09-19 06:03:27,983 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:03:27,983 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 203 with the following transitions: [2018-09-19 06:03:27,984 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [173], [175], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [602], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:03:27,986 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:03:27,986 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:03:28,013 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:03:28,494 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:03:28,495 INFO L272 AbstractInterpreter]: Visited 105 different actions 407 times. Merged at 7 different actions 20 times. Never widened. Found 4 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 06:03:28,501 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:03:28,718 INFO L232 lantSequenceWeakener]: Weakened 199 states. On average, predicates are now at 73.02% of their original sizes. [2018-09-19 06:03:28,719 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:03:28,833 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:03:28,833 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:03:28,833 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:03:28,833 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:03:28,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:03:28,834 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:03:28,834 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:03:28,834 INFO L87 Difference]: Start difference. First operand 2566 states and 3192 transitions. Second operand 10 states. [2018-09-19 06:03:30,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:03:30,573 INFO L93 Difference]: Finished difference Result 5163 states and 6584 transitions. [2018-09-19 06:03:30,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:03:30,574 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 202 [2018-09-19 06:03:30,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:03:30,585 INFO L225 Difference]: With dead ends: 5163 [2018-09-19 06:03:30,585 INFO L226 Difference]: Without dead ends: 2747 [2018-09-19 06:03:30,591 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 209 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:03:30,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2747 states. [2018-09-19 06:03:30,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2747 to 2721. [2018-09-19 06:03:30,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2721 states. [2018-09-19 06:03:30,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2721 states to 2721 states and 3412 transitions. [2018-09-19 06:03:30,654 INFO L78 Accepts]: Start accepts. Automaton has 2721 states and 3412 transitions. Word has length 202 [2018-09-19 06:03:30,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:03:30,654 INFO L480 AbstractCegarLoop]: Abstraction has 2721 states and 3412 transitions. [2018-09-19 06:03:30,655 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:03:30,655 INFO L276 IsEmpty]: Start isEmpty. Operand 2721 states and 3412 transitions. [2018-09-19 06:03:30,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-09-19 06:03:30,660 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:03:30,660 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2018-09-19 06:03:30,660 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:03:30,661 INFO L82 PathProgramCache]: Analyzing trace with hash -1653979916, now seen corresponding path program 1 times [2018-09-19 06:03:30,661 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:03:30,661 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 209 with the following transitions: [2018-09-19 06:03:30,661 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [173], [175], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [626], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:03:30,664 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:03:30,664 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:03:30,690 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:03:30,839 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:03:30,840 INFO L272 AbstractInterpreter]: Visited 111 different actions 432 times. Merged at 7 different actions 21 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 06:03:30,876 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:03:31,015 INFO L232 lantSequenceWeakener]: Weakened 205 states. On average, predicates are now at 73.01% of their original sizes. [2018-09-19 06:03:31,016 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:03:31,217 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:03:31,218 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:03:31,218 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:03:31,218 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:03:31,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:03:31,219 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:03:31,219 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:03:31,219 INFO L87 Difference]: Start difference. First operand 2721 states and 3412 transitions. Second operand 10 states. [2018-09-19 06:03:33,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:03:33,374 INFO L93 Difference]: Finished difference Result 5472 states and 7022 transitions. [2018-09-19 06:03:33,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:03:33,375 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 208 [2018-09-19 06:03:33,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:03:33,388 INFO L225 Difference]: With dead ends: 5472 [2018-09-19 06:03:33,388 INFO L226 Difference]: Without dead ends: 2901 [2018-09-19 06:03:33,395 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 215 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:03:33,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2901 states. [2018-09-19 06:03:33,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2901 to 2876. [2018-09-19 06:03:33,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2876 states. [2018-09-19 06:03:33,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2876 states to 2876 states and 3624 transitions. [2018-09-19 06:03:33,543 INFO L78 Accepts]: Start accepts. Automaton has 2876 states and 3624 transitions. Word has length 208 [2018-09-19 06:03:33,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:03:33,544 INFO L480 AbstractCegarLoop]: Abstraction has 2876 states and 3624 transitions. [2018-09-19 06:03:33,544 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:03:33,544 INFO L276 IsEmpty]: Start isEmpty. Operand 2876 states and 3624 transitions. [2018-09-19 06:03:33,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-09-19 06:03:33,549 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:03:33,549 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:03:33,549 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:03:33,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1857006299, now seen corresponding path program 1 times [2018-09-19 06:03:33,550 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:03:33,550 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 216 with the following transitions: [2018-09-19 06:03:33,550 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [173], [175], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:03:33,553 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:03:33,553 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:03:33,581 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:03:33,722 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:03:33,723 INFO L272 AbstractInterpreter]: Visited 118 different actions 459 times. Merged at 7 different actions 20 times. Never widened. Found 4 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 06:03:33,751 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:03:33,885 INFO L232 lantSequenceWeakener]: Weakened 212 states. On average, predicates are now at 73% of their original sizes. [2018-09-19 06:03:33,885 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:03:34,023 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:03:34,024 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:03:34,024 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:03:34,024 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:03:34,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:03:34,025 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:03:34,025 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:03:34,025 INFO L87 Difference]: Start difference. First operand 2876 states and 3624 transitions. Second operand 10 states. [2018-09-19 06:03:37,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:03:37,983 INFO L93 Difference]: Finished difference Result 5959 states and 7691 transitions. [2018-09-19 06:03:37,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:03:37,989 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 215 [2018-09-19 06:03:37,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:03:38,001 INFO L225 Difference]: With dead ends: 5959 [2018-09-19 06:03:38,001 INFO L226 Difference]: Without dead ends: 3233 [2018-09-19 06:03:38,007 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 222 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:03:38,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3233 states. [2018-09-19 06:03:38,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3233 to 3184. [2018-09-19 06:03:38,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3184 states. [2018-09-19 06:03:38,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3184 states to 3184 states and 4030 transitions. [2018-09-19 06:03:38,077 INFO L78 Accepts]: Start accepts. Automaton has 3184 states and 4030 transitions. Word has length 215 [2018-09-19 06:03:38,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:03:38,078 INFO L480 AbstractCegarLoop]: Abstraction has 3184 states and 4030 transitions. [2018-09-19 06:03:38,078 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:03:38,078 INFO L276 IsEmpty]: Start isEmpty. Operand 3184 states and 4030 transitions. [2018-09-19 06:03:38,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-09-19 06:03:38,083 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:03:38,084 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:03:38,084 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:03:38,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1975821299, now seen corresponding path program 1 times [2018-09-19 06:03:38,084 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:03:38,084 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 224 with the following transitions: [2018-09-19 06:03:38,085 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [173], [175], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:03:38,087 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:03:38,087 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:03:38,142 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:03:38,306 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:03:38,306 INFO L272 AbstractInterpreter]: Visited 124 different actions 483 times. Merged at 7 different actions 20 times. Never widened. Found 4 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 06:03:38,344 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:03:38,494 INFO L232 lantSequenceWeakener]: Weakened 220 states. On average, predicates are now at 72.99% of their original sizes. [2018-09-19 06:03:38,495 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:03:38,913 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:03:38,913 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:03:38,913 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:03:38,913 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:03:38,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:03:38,914 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:03:38,914 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:03:38,915 INFO L87 Difference]: Start difference. First operand 3184 states and 4030 transitions. Second operand 10 states. [2018-09-19 06:03:42,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:03:42,991 INFO L93 Difference]: Finished difference Result 6547 states and 8487 transitions. [2018-09-19 06:03:43,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:03:43,000 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 223 [2018-09-19 06:03:43,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:03:43,019 INFO L225 Difference]: With dead ends: 6547 [2018-09-19 06:03:43,019 INFO L226 Difference]: Without dead ends: 3513 [2018-09-19 06:03:43,026 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 230 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:03:43,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3513 states. [2018-09-19 06:03:43,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3513 to 3486. [2018-09-19 06:03:43,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3486 states. [2018-09-19 06:03:43,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3486 states to 3486 states and 4452 transitions. [2018-09-19 06:03:43,105 INFO L78 Accepts]: Start accepts. Automaton has 3486 states and 4452 transitions. Word has length 223 [2018-09-19 06:03:43,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:03:43,106 INFO L480 AbstractCegarLoop]: Abstraction has 3486 states and 4452 transitions. [2018-09-19 06:03:43,106 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:03:43,106 INFO L276 IsEmpty]: Start isEmpty. Operand 3486 states and 4452 transitions. [2018-09-19 06:03:43,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-09-19 06:03:43,112 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:03:43,112 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:03:43,113 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:03:43,113 INFO L82 PathProgramCache]: Analyzing trace with hash -807459197, now seen corresponding path program 1 times [2018-09-19 06:03:43,113 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:03:43,113 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 228 with the following transitions: [2018-09-19 06:03:43,114 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [173], [175], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [702], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:03:43,116 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:03:43,116 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:03:43,142 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:03:43,393 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:03:43,394 INFO L272 AbstractInterpreter]: Visited 130 different actions 634 times. Merged at 7 different actions 28 times. Never widened. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 06:03:43,431 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:03:43,587 INFO L232 lantSequenceWeakener]: Weakened 224 states. On average, predicates are now at 72.99% of their original sizes. [2018-09-19 06:03:43,588 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:03:43,954 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:03:43,955 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:03:43,955 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:03:43,955 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:03:43,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:03:43,956 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:03:43,956 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:03:43,956 INFO L87 Difference]: Start difference. First operand 3486 states and 4452 transitions. Second operand 10 states. [2018-09-19 06:03:46,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:03:46,058 INFO L93 Difference]: Finished difference Result 7025 states and 9137 transitions. [2018-09-19 06:03:46,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:03:46,064 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 227 [2018-09-19 06:03:46,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:03:46,085 INFO L225 Difference]: With dead ends: 7025 [2018-09-19 06:03:46,085 INFO L226 Difference]: Without dead ends: 3689 [2018-09-19 06:03:46,093 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 234 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:03:46,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3689 states. [2018-09-19 06:03:46,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3689 to 3649. [2018-09-19 06:03:46,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3649 states. [2018-09-19 06:03:46,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3649 states to 3649 states and 4696 transitions. [2018-09-19 06:03:46,162 INFO L78 Accepts]: Start accepts. Automaton has 3649 states and 4696 transitions. Word has length 227 [2018-09-19 06:03:46,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:03:46,162 INFO L480 AbstractCegarLoop]: Abstraction has 3649 states and 4696 transitions. [2018-09-19 06:03:46,162 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:03:46,163 INFO L276 IsEmpty]: Start isEmpty. Operand 3649 states and 4696 transitions. [2018-09-19 06:03:46,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-09-19 06:03:46,170 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:03:46,170 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 1, 1, 1, 1, 1, 1] [2018-09-19 06:03:46,171 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:03:46,171 INFO L82 PathProgramCache]: Analyzing trace with hash -988896112, now seen corresponding path program 1 times [2018-09-19 06:03:46,171 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:03:46,171 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 243 with the following transitions: [2018-09-19 06:03:46,172 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [173], [175], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:03:46,174 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:03:46,174 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:03:46,203 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:03:46,421 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:03:46,421 INFO L272 AbstractInterpreter]: Visited 145 different actions 567 times. Merged at 7 different actions 20 times. Never widened. Found 4 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 06:03:46,456 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:03:46,574 INFO L232 lantSequenceWeakener]: Weakened 239 states. On average, predicates are now at 72.97% of their original sizes. [2018-09-19 06:03:46,574 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:03:46,706 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:03:46,707 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:03:46,707 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:03:46,707 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:03:46,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:03:46,707 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:03:46,708 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:03:46,708 INFO L87 Difference]: Start difference. First operand 3649 states and 4696 transitions. Second operand 10 states. [2018-09-19 06:03:50,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:03:50,525 INFO L93 Difference]: Finished difference Result 7322 states and 9594 transitions. [2018-09-19 06:03:50,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:03:50,530 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 242 [2018-09-19 06:03:50,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:03:50,541 INFO L225 Difference]: With dead ends: 7322 [2018-09-19 06:03:50,542 INFO L226 Difference]: Without dead ends: 3823 [2018-09-19 06:03:50,549 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 249 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:03:50,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3823 states. [2018-09-19 06:03:50,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3823 to 3806. [2018-09-19 06:03:50,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3806 states. [2018-09-19 06:03:50,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3806 states to 3806 states and 4906 transitions. [2018-09-19 06:03:50,618 INFO L78 Accepts]: Start accepts. Automaton has 3806 states and 4906 transitions. Word has length 242 [2018-09-19 06:03:50,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:03:50,618 INFO L480 AbstractCegarLoop]: Abstraction has 3806 states and 4906 transitions. [2018-09-19 06:03:50,619 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:03:50,619 INFO L276 IsEmpty]: Start isEmpty. Operand 3806 states and 4906 transitions. [2018-09-19 06:03:50,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-09-19 06:03:50,627 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:03:50,627 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 1, 1] [2018-09-19 06:03:50,628 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:03:50,628 INFO L82 PathProgramCache]: Analyzing trace with hash -469431520, now seen corresponding path program 1 times [2018-09-19 06:03:50,628 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:03:50,628 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 257 with the following transitions: [2018-09-19 06:03:50,629 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [173], [175], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [782], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:03:50,631 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:03:50,632 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:03:50,663 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:03:50,878 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:03:50,878 INFO L272 AbstractInterpreter]: Visited 150 different actions 587 times. Merged at 7 different actions 20 times. Never widened. Found 4 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 06:03:50,885 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:03:51,053 INFO L232 lantSequenceWeakener]: Weakened 253 states. On average, predicates are now at 72.96% of their original sizes. [2018-09-19 06:03:51,053 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:03:51,219 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:03:51,219 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:03:51,219 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:03:51,220 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:03:51,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:03:51,220 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:03:51,220 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:03:51,221 INFO L87 Difference]: Start difference. First operand 3806 states and 4906 transitions. Second operand 10 states. [2018-09-19 06:03:58,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:03:58,144 INFO L93 Difference]: Finished difference Result 8367 states and 11098 transitions. [2018-09-19 06:03:58,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:03:58,150 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 256 [2018-09-19 06:03:58,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:03:58,167 INFO L225 Difference]: With dead ends: 8367 [2018-09-19 06:03:58,167 INFO L226 Difference]: Without dead ends: 4711 [2018-09-19 06:03:58,177 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 263 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:03:58,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4711 states. [2018-09-19 06:03:58,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4711 to 4649. [2018-09-19 06:03:58,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4649 states. [2018-09-19 06:03:58,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4649 states to 4649 states and 6018 transitions. [2018-09-19 06:03:58,295 INFO L78 Accepts]: Start accepts. Automaton has 4649 states and 6018 transitions. Word has length 256 [2018-09-19 06:03:58,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:03:58,296 INFO L480 AbstractCegarLoop]: Abstraction has 4649 states and 6018 transitions. [2018-09-19 06:03:58,296 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:03:58,296 INFO L276 IsEmpty]: Start isEmpty. Operand 4649 states and 6018 transitions. [2018-09-19 06:03:58,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-09-19 06:03:58,307 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:03:58,308 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:03:58,308 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:03:58,308 INFO L82 PathProgramCache]: Analyzing trace with hash 877737384, now seen corresponding path program 1 times [2018-09-19 06:03:58,308 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:03:58,309 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 265 with the following transitions: [2018-09-19 06:03:58,309 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [173], [175], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [526], [527], [531], [535], [538], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:03:58,311 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:03:58,311 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:03:58,345 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:03:58,719 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:03:58,719 INFO L272 AbstractInterpreter]: Visited 90 different actions 438 times. Merged at 8 different actions 32 times. Never widened. Found 7 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 06:03:58,759 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:03:58,925 INFO L232 lantSequenceWeakener]: Weakened 261 states. On average, predicates are now at 72.99% of their original sizes. [2018-09-19 06:03:58,926 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:03:59,048 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:03:59,048 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:03:59,049 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:03:59,049 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:03:59,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:03:59,049 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:03:59,049 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:03:59,050 INFO L87 Difference]: Start difference. First operand 4649 states and 6018 transitions. Second operand 10 states. [2018-09-19 06:04:00,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:04:00,853 INFO L93 Difference]: Finished difference Result 9531 states and 12530 transitions. [2018-09-19 06:04:00,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:04:00,862 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 264 [2018-09-19 06:04:00,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:04:00,876 INFO L225 Difference]: With dead ends: 9531 [2018-09-19 06:04:00,876 INFO L226 Difference]: Without dead ends: 5032 [2018-09-19 06:04:00,885 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 271 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:04:00,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5032 states. [2018-09-19 06:04:00,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5032 to 4977. [2018-09-19 06:04:00,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4977 states. [2018-09-19 06:04:00,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4977 states to 4977 states and 6473 transitions. [2018-09-19 06:04:00,984 INFO L78 Accepts]: Start accepts. Automaton has 4977 states and 6473 transitions. Word has length 264 [2018-09-19 06:04:00,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:04:00,985 INFO L480 AbstractCegarLoop]: Abstraction has 4977 states and 6473 transitions. [2018-09-19 06:04:00,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:04:00,985 INFO L276 IsEmpty]: Start isEmpty. Operand 4977 states and 6473 transitions. [2018-09-19 06:04:00,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-09-19 06:04:00,996 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:04:00,996 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2018-09-19 06:04:00,996 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:04:00,997 INFO L82 PathProgramCache]: Analyzing trace with hash -387277648, now seen corresponding path program 1 times [2018-09-19 06:04:00,997 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:04:00,997 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 281 with the following transitions: [2018-09-19 06:04:00,997 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [173], [175], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [566], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:04:00,999 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:04:00,999 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:04:01,027 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:04:05,319 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:04:05,319 INFO L272 AbstractInterpreter]: Visited 97 different actions 569 times. Merged at 8 different actions 42 times. Widened at 1 different actions 1 times. Found 9 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 06:04:05,324 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:04:06,768 INFO L232 lantSequenceWeakener]: Weakened 277 states. On average, predicates are now at 72.97% of their original sizes. [2018-09-19 06:04:06,768 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:04:06,858 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:04:06,858 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:04:06,858 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:04:06,858 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:04:06,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:04:06,859 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:04:06,859 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:04:06,859 INFO L87 Difference]: Start difference. First operand 4977 states and 6473 transitions. Second operand 10 states. [2018-09-19 06:04:09,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:04:09,381 INFO L93 Difference]: Finished difference Result 10225 states and 13506 transitions. [2018-09-19 06:04:09,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-19 06:04:09,383 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 280 [2018-09-19 06:04:09,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:04:09,405 INFO L225 Difference]: With dead ends: 10225 [2018-09-19 06:04:09,405 INFO L226 Difference]: Without dead ends: 5398 [2018-09-19 06:04:09,415 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 287 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:04:09,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5398 states. [2018-09-19 06:04:09,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5398 to 5325. [2018-09-19 06:04:09,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5325 states. [2018-09-19 06:04:09,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5325 states to 5325 states and 6951 transitions. [2018-09-19 06:04:09,521 INFO L78 Accepts]: Start accepts. Automaton has 5325 states and 6951 transitions. Word has length 280 [2018-09-19 06:04:09,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:04:09,522 INFO L480 AbstractCegarLoop]: Abstraction has 5325 states and 6951 transitions. [2018-09-19 06:04:09,523 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:04:09,523 INFO L276 IsEmpty]: Start isEmpty. Operand 5325 states and 6951 transitions. [2018-09-19 06:04:09,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-09-19 06:04:09,537 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:04:09,537 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:04:09,537 INFO L423 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:04:09,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1285530724, now seen corresponding path program 1 times [2018-09-19 06:04:09,538 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:04:09,538 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 283 with the following transitions: [2018-09-19 06:04:09,538 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [173], [175], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [526], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [610], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:04:09,541 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:04:09,541 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:04:09,570 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:04:09,750 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-09-19 06:04:09,751 INFO L272 AbstractInterpreter]: Visited 109 different actions 529 times. Merged at 8 different actions 32 times. Never widened. Found 7 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 06:04:09,765 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-19 06:04:09,804 WARN L209 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2018-09-19 06:04:09,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 06:04:09 BoogieIcfgContainer [2018-09-19 06:04:09,804 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 06:04:09,805 INFO L168 Benchmark]: Toolchain (without parser) took 87531.16 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.8 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -361.5 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-09-19 06:04:09,807 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 06:04:09,807 INFO L168 Benchmark]: CACSL2BoogieTranslator took 778.80 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-09-19 06:04:09,808 INFO L168 Benchmark]: Boogie Procedure Inliner took 126.42 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-19 06:04:09,809 INFO L168 Benchmark]: Boogie Preprocessor took 271.24 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 773.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -866.9 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. [2018-09-19 06:04:09,810 INFO L168 Benchmark]: RCFGBuilder took 3718.80 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 107.2 MB). Peak memory consumption was 107.2 MB. Max. memory is 7.1 GB. [2018-09-19 06:04:09,810 INFO L168 Benchmark]: TraceAbstraction took 82629.49 ms. Allocated memory was 2.3 GB in the beginning and 3.3 GB in the end (delta: 1.0 GB). Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 345.4 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-09-19 06:04:09,815 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 778.80 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 126.42 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 271.24 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 773.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -866.9 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3718.80 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 107.2 MB). Peak memory consumption was 107.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 82629.49 ms. Allocated memory was 2.3 GB in the beginning and 3.3 GB in the end (delta: 1.0 GB). Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 345.4 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 85]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L7] int inputC = 3; [L8] int inputD = 4; [L9] int inputE = 5; [L10] int inputF = 6; [L11] int inputB = 2; [L14] int a1 = 23; [L15] int a19 = 9; [L16] int a10 = 0; [L17] int a12 = 0; [L18] int a4 = 14; [L579] int output = -1; [L582] COND TRUE 1 [L585] int input; [L586] input = __VERIFIER_nondet_int() [L587] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L590] CALL, EXPR calculate_output(input) [L21] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L24] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L27] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L30] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L33] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L36] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L39] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L42] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L45] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L48] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L51] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L54] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L57] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L60] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L63] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L66] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L69] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L72] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L75] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L78] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L81] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L84] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L87] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L90] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L93] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L96] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L99] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L102] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L105] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L108] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L111] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L114] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L117] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L120] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L123] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L126] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L129] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L132] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L135] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L138] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L141] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L144] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L147] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L150] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L153] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L156] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L159] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L162] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L165] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L168] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L171] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L174] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L177] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L180] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L183] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L186] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L189] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L192] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L195] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L198] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L201] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L205] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L210] COND TRUE ((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0))) [L211] a1 = (((a1 + -15535) - 211896) / 5) [L212] a10 = 2 [L214] RET return 22; [L590] EXPR calculate_output(input) [L590] output = calculate_output(input) [L582] COND TRUE 1 [L585] int input; [L586] input = __VERIFIER_nondet_int() [L587] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L590] CALL, EXPR calculate_output(input) [L21] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L24] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L27] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L30] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L33] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L36] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L39] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L42] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L45] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L48] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L51] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L54] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L57] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L60] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L63] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L66] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L69] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L72] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L75] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L78] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L81] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L84] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L87] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L90] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L93] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L96] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L99] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L102] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L105] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L108] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L111] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L114] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L117] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L120] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L123] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L126] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L129] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L132] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L135] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L138] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L141] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L144] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L147] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L150] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L153] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L156] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L159] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L162] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L165] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L168] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L171] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L174] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L177] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L180] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L183] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L186] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L189] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L192] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L195] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L198] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L201] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L205] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L210] COND FALSE !(((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0)))) [L215] COND FALSE !(((((a4==14) && ((a19==10) && ((a10==1) && (input == 2)))) && (a12==0)) && 218 < a1 )) [L220] COND FALSE !(((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14)))))) [L225] COND FALSE !(((a19==10) && (((a4==14) && (((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ((a10==0) && 218 < a1 )) || ((a10==1) && a1 <= -13 )) && (input == 5))) && (a12==0)))) [L231] COND FALSE !(((a12==0) && ((a19==9) && (((a4==14) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a10==3))))) [L236] COND FALSE !(((a12==0) && ((((a4==14) && ((input == 3) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a10==2)) && (a19==9)))) [L239] COND FALSE !((((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (((input == 3) && (a19==10)) && (a4==14)))) && (a10==1))) [L244] COND TRUE (((a19==9) && (((input == 6) && (( 218 < a1 && (a10==0)) || ( a1 <= -13 && (a10==1)))) && (a4==14))) && (a12==0)) [L245] a1 = (((((a1 % 25)- -13) - 42605) / 5) - -8517) [L246] a10 = 3 [L248] RET return 26; [L590] EXPR calculate_output(input) [L590] output = calculate_output(input) [L582] COND TRUE 1 [L585] int input; [L586] input = __VERIFIER_nondet_int() [L587] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L590] CALL, EXPR calculate_output(input) [L21] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L24] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L27] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L30] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L33] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L36] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L39] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L42] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L45] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L48] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L51] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L54] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L57] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L60] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L63] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L66] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L69] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L72] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L75] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L78] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L81] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L84] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L87] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L90] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L93] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L96] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L99] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L102] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L105] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L108] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L111] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L114] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L117] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L120] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L123] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L126] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L129] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L132] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L135] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L138] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L141] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L144] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L147] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L150] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L153] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L156] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L159] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L162] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L165] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L168] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L171] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L174] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L177] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L180] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L183] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L186] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L189] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L192] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L195] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L198] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L201] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L205] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L210] COND FALSE !(((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0)))) [L215] COND FALSE !(((((a4==14) && ((a19==10) && ((a10==1) && (input == 2)))) && (a12==0)) && 218 < a1 )) [L220] COND FALSE !(((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14)))))) [L225] COND FALSE !(((a19==10) && (((a4==14) && (((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ((a10==0) && 218 < a1 )) || ((a10==1) && a1 <= -13 )) && (input == 5))) && (a12==0)))) [L231] COND FALSE !(((a12==0) && ((a19==9) && (((a4==14) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a10==3))))) [L236] COND FALSE !(((a12==0) && ((((a4==14) && ((input == 3) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a10==2)) && (a19==9)))) [L239] COND FALSE !((((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (((input == 3) && (a19==10)) && (a4==14)))) && (a10==1))) [L244] COND FALSE !((((a19==9) && (((input == 6) && (( 218 < a1 && (a10==0)) || ( a1 <= -13 && (a10==1)))) && (a4==14))) && (a12==0))) [L249] COND FALSE !(( ((38 < a1) && (218 >= a1)) && (((a4==14) && ((a19==10) && ((a10==1) && (input == 4)))) && (a12==0)))) [L254] COND FALSE !((((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5)) && (a19==9)) && (a12==0))) && (a10==0))) [L260] COND FALSE !((((a4==14) && ((((((a10==2) && ((38 < a1) && (218 >= a1)) ) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3))) && (input == 2)) && (a19==9))) && (a12==0))) [L265] COND FALSE !((((a10==1) && (((a12==0) && ((input == 6) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a4==14))) && (a19==9))) [L271] COND FALSE !(((((((input == 5) && (a4==14)) && 218 < a1 ) && (a10==4)) && (a19==9)) && (a12==0))) [L277] COND FALSE !(((a19==10) && ((a4==14) && ((a12==0) && ((input == 4) && ((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0))) || ((a10==1) && a1 <= -13 ))))))) [L283] COND FALSE !((((a12==0) && ((((a19==9) && (input == 4)) && 218 < a1 ) && (a10==1))) && (a4==14))) [L286] COND FALSE !(((a10==1) && ((a4==14) && ((((a12==0) && (input == 2)) && (a19==9)) && 218 < a1 )))) [L291] COND FALSE !((((a4==14) && (((input == 4) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3)))) && (a19==9))) && (a12==0))) [L296] COND FALSE !(((((a12==0) && ((((a10==0) && 218 < a1 ) || ((a10==1) && a1 <= -13 )) && (input == 2))) && (a19==9)) && (a4==14))) [L301] COND FALSE !((((a4==14) && ((a12==0) && ((input == 3) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))))) && (a19==9))) [L306] COND FALSE !((((((a10==1) && ((a12==0) && (input == 6))) && (a19==10)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14))) [L312] COND FALSE !(((a19==9) && (((a10==4) && ( 218 < a1 && ((a4==14) && (input == 6)))) && (a12==0)))) [L317] COND FALSE !((((a10==0) && ((a12==0) && (((input == 4) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)))) && (a4==14))) [L320] COND FALSE !(((a19==9) && ((((a4==14) && ((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a12==0)) && (a10==2)))) [L323] COND FALSE !((((((a12==0) && ((input == 4) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a19==9)) && (a4==14)) && (a10==3))) [L326] COND FALSE !((((a4==14) && (((a12==0) && ( 218 < a1 && (input == 6))) && (a19==10))) && (a10==1))) [L329] COND FALSE !(((((((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a10==0)) && (a4==14)) && (a12==0))) [L335] COND FALSE !((((((( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 )) && (input == 3)) && (a4==14)) && (a12==0)) && (a19==9))) [L340] COND FALSE !(((a12==0) && ((a19==9) && (((input == 6) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))) && (a4==14))))) [L345] COND TRUE (((a10==3) && (((a19==9) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5))) && (a12==0))) && (a4==14)) [L346] a1 = ((((a1 - 287698) - 189392) % 89)+ 206) [L347] a10 = 2 [L348] a19 = 7 [L350] RET return -1; [L590] EXPR calculate_output(input) [L590] output = calculate_output(input) [L582] COND TRUE 1 [L585] int input; [L586] input = __VERIFIER_nondet_int() [L587] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L590] CALL calculate_output(input) [L21] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L24] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L27] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L30] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L33] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L36] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L39] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L42] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L45] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L48] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L51] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L54] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L57] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L60] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L63] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L66] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L69] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L72] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L75] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L78] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L81] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L84] COND TRUE (((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7)) [L85] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. UNKNOWN Result, 82.5s OverallTime, 20 OverallIterations, 4 TraceHistogramMax, 59.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3592 SDtfs, 12479 SDslu, 5415 SDs, 0 SdLazy, 30955 SolverSat, 3220 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 49.7s Time, PredicateUnifierStatistics: 38 DeclaredPredicates, 3742 GetRequests, 3453 SyntacticMatches, 0 SemanticMatches, 289 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 714 ImplicationChecksByTransitivity, 6.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5325occurred in iteration=19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 11.7s AbstIntTime, 20 AbstIntIterations, 19 AbstIntStrong, 0.9964152495858652 AbsIntWeakeningRatio, 0.13051930019439045 AbsIntAvgWeakeningVarsNumRemoved, 18.965287420161065 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 19 MinimizatonAttempts, 529 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label21_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_06-04-09-829.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label21_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_06-04-09-829.csv Received shutdown request...