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_label03_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 06:00:32,233 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 06:00:32,235 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 06:00:32,254 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 06:00:32,254 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 06:00:32,256 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 06:00:32,258 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 06:00:32,260 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 06:00:32,262 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 06:00:32,263 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 06:00:32,265 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 06:00:32,266 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 06:00:32,267 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 06:00:32,268 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 06:00:32,276 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 06:00:32,277 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 06:00:32,279 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 06:00:32,282 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 06:00:32,286 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 06:00:32,288 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 06:00:32,291 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 06:00:32,292 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 06:00:32,295 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 06:00:32,295 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 06:00:32,296 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 06:00:32,297 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 06:00:32,298 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 06:00:32,299 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 06:00:32,300 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 06:00:32,303 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 06:00:32,303 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 06:00:32,305 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-19 06:00:32,309 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 06:00:32,334 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 06:00:32,335 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 06:00:32,336 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 06:00:32,336 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 06:00:32,336 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 06:00:32,336 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 06:00:32,337 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-19 06:00:32,337 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 06:00:32,337 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-19 06:00:32,337 INFO L133 SettingsManager]: * Abstract domain=IntervalDomain [2018-09-19 06:00:32,337 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 06:00:32,338 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 06:00:32,338 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 06:00:32,339 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 06:00:32,339 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 06:00:32,339 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 06:00:32,339 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 06:00:32,339 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 06:00:32,340 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 06:00:32,341 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 06:00:32,341 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 06:00:32,341 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 06:00:32,341 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 06:00:32,341 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 06:00:32,341 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 06:00:32,342 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 06:00:32,342 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 06:00:32,342 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 06:00:32,342 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 06:00:32,342 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 06:00:32,343 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 06:00:32,343 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 06:00:32,343 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 06:00:32,343 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 06:00:32,343 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 06:00:32,396 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 06:00:32,410 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 06:00:32,418 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 06:00:32,419 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 06:00:32,420 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 06:00:32,420 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label03_true-unreach-call.c [2018-09-19 06:00:32,780 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8714e2a7b/db0810bdfcea4ded8a6b24e59dfd4981/FLAG95526f692 [2018-09-19 06:00:33,031 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 06:00:33,032 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label03_true-unreach-call.c [2018-09-19 06:00:33,044 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8714e2a7b/db0810bdfcea4ded8a6b24e59dfd4981/FLAG95526f692 [2018-09-19 06:00:33,060 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8714e2a7b/db0810bdfcea4ded8a6b24e59dfd4981 [2018-09-19 06:00:33,071 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 06:00:33,075 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 06:00:33,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 06:00:33,076 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 06:00:33,083 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 06:00:33,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 06:00:33" (1/1) ... [2018-09-19 06:00:33,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58150d2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:00:33, skipping insertion in model container [2018-09-19 06:00:33,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 06:00:33" (1/1) ... [2018-09-19 06:00:33,099 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 06:00:33,624 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 06:00:33,644 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 06:00:33,798 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 06:00:33,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:00:33 WrapperNode [2018-09-19 06:00:33,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 06:00:33,864 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 06:00:33,865 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 06:00:33,865 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 06:00:33,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:00:33" (1/1) ... [2018-09-19 06:00:33,914 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:00:33" (1/1) ... [2018-09-19 06:00:33,982 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 06:00:33,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 06:00:33,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 06:00:33,983 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 06:00:34,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:00:33" (1/1) ... [2018-09-19 06:00:34,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:00:33" (1/1) ... [2018-09-19 06:00:34,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:00:33" (1/1) ... [2018-09-19 06:00:34,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:00:33" (1/1) ... [2018-09-19 06:00:34,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:00:33" (1/1) ... [2018-09-19 06:00:34,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:00:33" (1/1) ... [2018-09-19 06:00:34,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:00:33" (1/1) ... [2018-09-19 06:00:34,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 06:00:34,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 06:00:34,234 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 06:00:34,234 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 06:00:34,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:00:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 06:00:34,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 06:00:34,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 06:00:34,316 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-19 06:00:34,316 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-19 06:00:34,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 06:00:34,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 06:00:34,317 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 06:00:34,317 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 06:00:37,378 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 06:00:37,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 06:00:37 BoogieIcfgContainer [2018-09-19 06:00:37,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 06:00:37,381 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 06:00:37,381 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 06:00:37,386 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 06:00:37,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 06:00:33" (1/3) ... [2018-09-19 06:00:37,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f074424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 06:00:37, skipping insertion in model container [2018-09-19 06:00:37,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:00:33" (2/3) ... [2018-09-19 06:00:37,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f074424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 06:00:37, skipping insertion in model container [2018-09-19 06:00:37,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 06:00:37" (3/3) ... [2018-09-19 06:00:37,394 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label03_true-unreach-call.c [2018-09-19 06:00:37,406 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 06:00:37,417 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 06:00:37,480 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 06:00:37,481 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 06:00:37,481 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 06:00:37,481 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 06:00:37,481 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 06:00:37,481 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 06:00:37,482 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 06:00:37,482 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 06:00:37,482 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 06:00:37,510 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-09-19 06:00:37,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-19 06:00:37,521 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:00:37,523 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:00:37,524 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:00:37,530 INFO L82 PathProgramCache]: Analyzing trace with hash 1405656705, now seen corresponding path program 1 times [2018-09-19 06:00:37,533 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:00:37,534 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 44 with the following transitions: [2018-09-19 06:00:37,537 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], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [796], [800], [806], [810], [817], [818], [819], [821] [2018-09-19 06:00:37,583 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:00:37,584 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:00:37,832 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:00:37,834 INFO L272 AbstractInterpreter]: Visited 42 different actions 42 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-09-19 06:00:37,870 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:00:38,011 INFO L232 lantSequenceWeakener]: Weakened 40 states. On average, predicates are now at 74.74% of their original sizes. [2018-09-19 06:00:38,012 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:00:38,262 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:00:38,263 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:00:38,264 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-19 06:00:38,264 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:00:38,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-19 06:00:38,278 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-19 06:00:38,279 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 06:00:38,282 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 6 states. [2018-09-19 06:00:41,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:00:41,126 INFO L93 Difference]: Finished difference Result 576 states and 995 transitions. [2018-09-19 06:00:41,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-19 06:00:41,128 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2018-09-19 06:00:41,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:00:41,162 INFO L225 Difference]: With dead ends: 576 [2018-09-19 06:00:41,162 INFO L226 Difference]: Without dead ends: 358 [2018-09-19 06:00:41,177 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 42 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 06:00:41,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2018-09-19 06:00:41,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 356. [2018-09-19 06:00:41,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-09-19 06:00:41,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 497 transitions. [2018-09-19 06:00:41,290 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 497 transitions. Word has length 43 [2018-09-19 06:00:41,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:00:41,290 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 497 transitions. [2018-09-19 06:00:41,291 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-19 06:00:41,291 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 497 transitions. [2018-09-19 06:00:41,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-09-19 06:00:41,297 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:00:41,297 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, 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] [2018-09-19 06:00:41,298 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:00:41,298 INFO L82 PathProgramCache]: Analyzing trace with hash -1018978157, now seen corresponding path program 1 times [2018-09-19 06:00:41,298 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:00:41,299 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 115 with the following transitions: [2018-09-19 06:00:41,299 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], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [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 06:00:41,305 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:00:41,306 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:00:41,404 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:00:41,521 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:00:41,521 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 06:00:41,560 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:00:41,728 INFO L232 lantSequenceWeakener]: Weakened 111 states. On average, predicates are now at 73.54% of their original sizes. [2018-09-19 06:00:41,729 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:00:42,253 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:00:42,253 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:00:42,254 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:00:42,254 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:00:42,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:00:42,255 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:00:42,256 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:00:42,256 INFO L87 Difference]: Start difference. First operand 356 states and 497 transitions. Second operand 10 states. [2018-09-19 06:00:45,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:00:45,406 INFO L93 Difference]: Finished difference Result 717 states and 1132 transitions. [2018-09-19 06:00:45,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-19 06:00:45,410 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 114 [2018-09-19 06:00:45,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:00:45,415 INFO L225 Difference]: With dead ends: 717 [2018-09-19 06:00:45,415 INFO L226 Difference]: Without dead ends: 511 [2018-09-19 06:00:45,418 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 120 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-09-19 06:00:45,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2018-09-19 06:00:45,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 505. [2018-09-19 06:00:45,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2018-09-19 06:00:45,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 669 transitions. [2018-09-19 06:00:45,452 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 669 transitions. Word has length 114 [2018-09-19 06:00:45,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:00:45,453 INFO L480 AbstractCegarLoop]: Abstraction has 505 states and 669 transitions. [2018-09-19 06:00:45,453 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:00:45,454 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 669 transitions. [2018-09-19 06:00:45,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-09-19 06:00:45,457 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:00:45,458 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, 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 06:00:45,458 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:00:45,458 INFO L82 PathProgramCache]: Analyzing trace with hash -1444484276, now seen corresponding path program 1 times [2018-09-19 06:00:45,459 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:00:45,459 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 124 with the following transitions: [2018-09-19 06:00:45,459 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], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [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 06:00:45,464 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:00:45,464 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:00:45,527 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:00:45,637 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:00:45,637 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 06:00:45,671 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:00:45,881 INFO L232 lantSequenceWeakener]: Weakened 120 states. On average, predicates are now at 73.48% of their original sizes. [2018-09-19 06:00:45,882 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:00:46,389 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:00:46,389 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:00:46,390 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:00:46,390 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:00:46,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:00:46,391 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:00:46,391 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:00:46,391 INFO L87 Difference]: Start difference. First operand 505 states and 669 transitions. Second operand 10 states. [2018-09-19 06:00:49,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:00:49,417 INFO L93 Difference]: Finished difference Result 1149 states and 1736 transitions. [2018-09-19 06:00:49,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:00:49,419 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 123 [2018-09-19 06:00:49,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:00:49,425 INFO L225 Difference]: With dead ends: 1149 [2018-09-19 06:00:49,425 INFO L226 Difference]: Without dead ends: 794 [2018-09-19 06:00:49,427 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 130 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:00:49,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2018-09-19 06:00:49,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 783. [2018-09-19 06:00:49,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 783 states. [2018-09-19 06:00:49,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 1001 transitions. [2018-09-19 06:00:49,477 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 1001 transitions. Word has length 123 [2018-09-19 06:00:49,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:00:49,478 INFO L480 AbstractCegarLoop]: Abstraction has 783 states and 1001 transitions. [2018-09-19 06:00:49,478 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:00:49,479 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1001 transitions. [2018-09-19 06:00:49,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-09-19 06:00:49,492 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:00:49,494 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, 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] [2018-09-19 06:00:49,495 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:00:49,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1342877780, now seen corresponding path program 1 times [2018-09-19 06:00:49,495 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:00:49,496 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 160 with the following transitions: [2018-09-19 06:00:49,496 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], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [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 06:00:49,501 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:00:49,502 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:00:49,578 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:00:49,741 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:00:49,742 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 06:00:49,777 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:00:49,924 INFO L232 lantSequenceWeakener]: Weakened 156 states. On average, predicates are now at 73.3% of their original sizes. [2018-09-19 06:00:49,924 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:00:50,418 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:00:50,419 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:00:50,419 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:00:50,419 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:00:50,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:00:50,420 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:00:50,420 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:00:50,421 INFO L87 Difference]: Start difference. First operand 783 states and 1001 transitions. Second operand 10 states. [2018-09-19 06:00:54,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:00:54,528 INFO L93 Difference]: Finished difference Result 1723 states and 2332 transitions. [2018-09-19 06:00:54,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-19 06:00:54,529 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 159 [2018-09-19 06:00:54,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:00:54,537 INFO L225 Difference]: With dead ends: 1723 [2018-09-19 06:00:54,537 INFO L226 Difference]: Without dead ends: 1090 [2018-09-19 06:00:54,540 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 165 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-09-19 06:00:54,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1090 states. [2018-09-19 06:00:54,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1090 to 1081. [2018-09-19 06:00:54,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1081 states. [2018-09-19 06:00:54,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 1351 transitions. [2018-09-19 06:00:54,577 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 1351 transitions. Word has length 159 [2018-09-19 06:00:54,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:00:54,578 INFO L480 AbstractCegarLoop]: Abstraction has 1081 states and 1351 transitions. [2018-09-19 06:00:54,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:00:54,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1351 transitions. [2018-09-19 06:00:54,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-09-19 06:00:54,582 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:00:54,582 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, 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] [2018-09-19 06:00:54,582 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:00:54,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1331084013, now seen corresponding path program 1 times [2018-09-19 06:00:54,583 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:00:54,583 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 179 with the following transitions: [2018-09-19 06:00:54,584 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], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [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 06:00:54,589 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:00:54,589 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:00:54,853 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:00:54,853 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 06:00:54,889 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:00:55,011 INFO L232 lantSequenceWeakener]: Weakened 175 states. On average, predicates are now at 73.24% of their original sizes. [2018-09-19 06:00:55,012 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:00:55,089 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:00:55,089 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:00:55,089 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:00:55,089 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:00:55,090 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:00:55,091 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:00:55,091 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:00:55,091 INFO L87 Difference]: Start difference. First operand 1081 states and 1351 transitions. Second operand 10 states. [2018-09-19 06:00:58,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:00:58,134 INFO L93 Difference]: Finished difference Result 2464 states and 3201 transitions. [2018-09-19 06:00:58,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-19 06:00:58,146 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 178 [2018-09-19 06:00:58,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:00:58,155 INFO L225 Difference]: With dead ends: 2464 [2018-09-19 06:00:58,155 INFO L226 Difference]: Without dead ends: 1533 [2018-09-19 06:00:58,158 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 184 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-09-19 06:00:58,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2018-09-19 06:00:58,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1521. [2018-09-19 06:00:58,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1521 states. [2018-09-19 06:00:58,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 1842 transitions. [2018-09-19 06:00:58,210 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 1842 transitions. Word has length 178 [2018-09-19 06:00:58,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:00:58,211 INFO L480 AbstractCegarLoop]: Abstraction has 1521 states and 1842 transitions. [2018-09-19 06:00:58,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:00:58,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 1842 transitions. [2018-09-19 06:00:58,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-09-19 06:00:58,215 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:00:58,215 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:00:58,216 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:00:58,216 INFO L82 PathProgramCache]: Analyzing trace with hash -975903850, now seen corresponding path program 1 times [2018-09-19 06:00:58,216 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:00:58,216 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 191 with the following transitions: [2018-09-19 06:00:58,217 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], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [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 06:00:58,220 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:00:58,220 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:00:58,252 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:00:58,312 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:00:58,313 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 06:00:58,319 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:00:58,434 INFO L232 lantSequenceWeakener]: Weakened 187 states. On average, predicates are now at 73.26% of their original sizes. [2018-09-19 06:00:58,434 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:00:58,607 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:00:58,607 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:00:58,608 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:00:58,608 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:00:58,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:00:58,609 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:00:58,609 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:00:58,609 INFO L87 Difference]: Start difference. First operand 1521 states and 1842 transitions. Second operand 10 states. [2018-09-19 06:01:01,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:01:01,203 INFO L93 Difference]: Finished difference Result 3061 states and 3845 transitions. [2018-09-19 06:01:01,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:01:01,212 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 190 [2018-09-19 06:01:01,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:01:01,226 INFO L225 Difference]: With dead ends: 3061 [2018-09-19 06:01:01,227 INFO L226 Difference]: Without dead ends: 1690 [2018-09-19 06:01:01,231 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 197 GetRequests, 181 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 06:01:01,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2018-09-19 06:01:01,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1672. [2018-09-19 06:01:01,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1672 states. [2018-09-19 06:01:01,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2020 transitions. [2018-09-19 06:01:01,284 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2020 transitions. Word has length 190 [2018-09-19 06:01:01,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:01:01,285 INFO L480 AbstractCegarLoop]: Abstraction has 1672 states and 2020 transitions. [2018-09-19 06:01:01,285 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:01:01,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2020 transitions. [2018-09-19 06:01:01,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-09-19 06:01:01,289 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:01:01,289 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:01:01,290 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:01:01,290 INFO L82 PathProgramCache]: Analyzing trace with hash -905575814, now seen corresponding path program 1 times [2018-09-19 06:01:01,290 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:01:01,291 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 193 with the following transitions: [2018-09-19 06:01:01,291 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], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [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 06:01:01,293 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:01:01,294 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:01:01,328 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:01:01,502 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:01:01,502 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 06:01:01,535 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:01:01,648 INFO L232 lantSequenceWeakener]: Weakened 189 states. On average, predicates are now at 73.25% of their original sizes. [2018-09-19 06:01:01,649 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:01:01,918 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:01:01,919 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:01:01,919 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:01:01,919 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:01:01,919 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:01:01,919 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:01:01,920 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:01:01,920 INFO L87 Difference]: Start difference. First operand 1672 states and 2020 transitions. Second operand 10 states. [2018-09-19 06:01:04,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:01:04,354 INFO L93 Difference]: Finished difference Result 3362 states and 4211 transitions. [2018-09-19 06:01:04,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:01:04,360 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 192 [2018-09-19 06:01:04,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:01:04,370 INFO L225 Difference]: With dead ends: 3362 [2018-09-19 06:01:04,370 INFO L226 Difference]: Without dead ends: 1840 [2018-09-19 06:01:04,374 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 199 GetRequests, 183 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 06:01:04,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1840 states. [2018-09-19 06:01:04,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1840 to 1823. [2018-09-19 06:01:04,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1823 states. [2018-09-19 06:01:04,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1823 states to 1823 states and 2218 transitions. [2018-09-19 06:01:04,427 INFO L78 Accepts]: Start accepts. Automaton has 1823 states and 2218 transitions. Word has length 192 [2018-09-19 06:01:04,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:01:04,428 INFO L480 AbstractCegarLoop]: Abstraction has 1823 states and 2218 transitions. [2018-09-19 06:01:04,428 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:01:04,428 INFO L276 IsEmpty]: Start isEmpty. Operand 1823 states and 2218 transitions. [2018-09-19 06:01:04,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-09-19 06:01:04,432 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:01:04,432 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:01:04,432 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:01:04,432 INFO L82 PathProgramCache]: Analyzing trace with hash 1060030530, now seen corresponding path program 1 times [2018-09-19 06:01:04,433 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:01:04,433 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 197 with the following transitions: [2018-09-19 06:01:04,433 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], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [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 06:01:04,435 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:01:04,435 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:01:04,461 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:01:04,543 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:01:04,544 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 06:01:04,575 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:01:04,671 INFO L232 lantSequenceWeakener]: Weakened 193 states. On average, predicates are now at 73.24% of their original sizes. [2018-09-19 06:01:04,672 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:01:04,749 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:01:04,750 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:01:04,750 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:01:04,750 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:01:04,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:01:04,750 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:01:04,751 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:01:04,751 INFO L87 Difference]: Start difference. First operand 1823 states and 2218 transitions. Second operand 10 states. [2018-09-19 06:01:06,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:01:06,767 INFO L93 Difference]: Finished difference Result 3819 states and 4796 transitions. [2018-09-19 06:01:06,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:01:06,775 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 196 [2018-09-19 06:01:06,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:01:06,786 INFO L225 Difference]: With dead ends: 3819 [2018-09-19 06:01:06,786 INFO L226 Difference]: Without dead ends: 2146 [2018-09-19 06:01:06,791 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 203 GetRequests, 187 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 06:01:06,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2146 states. [2018-09-19 06:01:06,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2146 to 2123. [2018-09-19 06:01:06,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2123 states. [2018-09-19 06:01:06,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 2123 states and 2596 transitions. [2018-09-19 06:01:06,854 INFO L78 Accepts]: Start accepts. Automaton has 2123 states and 2596 transitions. Word has length 196 [2018-09-19 06:01:06,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:01:06,855 INFO L480 AbstractCegarLoop]: Abstraction has 2123 states and 2596 transitions. [2018-09-19 06:01:06,855 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:01:06,855 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 2596 transitions. [2018-09-19 06:01:06,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-09-19 06:01:06,860 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:01:06,861 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:01:06,861 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:01:06,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1283804852, now seen corresponding path program 1 times [2018-09-19 06:01:06,861 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:01:06,862 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 197 with the following transitions: [2018-09-19 06:01:06,862 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], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [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 06:01:06,864 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:01:06,864 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:01:06,897 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:01:06,974 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:01:06,974 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 06:01:07,013 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:01:07,139 INFO L232 lantSequenceWeakener]: Weakened 193 states. On average, predicates are now at 73.24% of their original sizes. [2018-09-19 06:01:07,140 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:01:07,376 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:01:07,377 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:01:07,377 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:01:07,377 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:01:07,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:01:07,378 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:01:07,378 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:01:07,378 INFO L87 Difference]: Start difference. First operand 2123 states and 2596 transitions. Second operand 10 states. [2018-09-19 06:01:10,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:01:10,325 INFO L93 Difference]: Finished difference Result 4418 states and 5553 transitions. [2018-09-19 06:01:10,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:01:10,328 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 196 [2018-09-19 06:01:10,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:01:10,338 INFO L225 Difference]: With dead ends: 4418 [2018-09-19 06:01:10,338 INFO L226 Difference]: Without dead ends: 2445 [2018-09-19 06:01:10,343 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 203 GetRequests, 187 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 06:01:10,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2445 states. [2018-09-19 06:01:10,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2445 to 2411. [2018-09-19 06:01:10,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2411 states. [2018-09-19 06:01:10,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2411 states to 2411 states and 2974 transitions. [2018-09-19 06:01:10,400 INFO L78 Accepts]: Start accepts. Automaton has 2411 states and 2974 transitions. Word has length 196 [2018-09-19 06:01:10,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:01:10,401 INFO L480 AbstractCegarLoop]: Abstraction has 2411 states and 2974 transitions. [2018-09-19 06:01:10,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:01:10,401 INFO L276 IsEmpty]: Start isEmpty. Operand 2411 states and 2974 transitions. [2018-09-19 06:01:10,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-09-19 06:01:10,407 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:01:10,407 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, 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, 1, 1, 1, 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 06:01:10,408 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:01:10,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1336785682, now seen corresponding path program 1 times [2018-09-19 06:01:10,408 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:01:10,408 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 203 with the following transitions: [2018-09-19 06:01:10,409 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], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [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 06:01:10,411 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:01:10,412 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:01:10,436 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:01:12,860 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:01:12,860 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 06:01:12,895 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:01:13,457 INFO L232 lantSequenceWeakener]: Weakened 199 states. On average, predicates are now at 73.22% of their original sizes. [2018-09-19 06:01:13,457 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:01:13,564 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:01:13,564 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:01:13,564 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:01:13,564 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:01:13,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:01:13,565 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:01:13,565 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:01:13,565 INFO L87 Difference]: Start difference. First operand 2411 states and 2974 transitions. Second operand 10 states. [2018-09-19 06:01:16,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:01:16,071 INFO L93 Difference]: Finished difference Result 4850 states and 6141 transitions. [2018-09-19 06:01:16,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:01:16,071 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 202 [2018-09-19 06:01:16,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:01:16,082 INFO L225 Difference]: With dead ends: 4850 [2018-09-19 06:01:16,082 INFO L226 Difference]: Without dead ends: 2589 [2018-09-19 06:01:16,089 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 06:01:16,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2589 states. [2018-09-19 06:01:16,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2589 to 2566. [2018-09-19 06:01:16,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2566 states. [2018-09-19 06:01:16,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2566 states to 2566 states and 3192 transitions. [2018-09-19 06:01:16,150 INFO L78 Accepts]: Start accepts. Automaton has 2566 states and 3192 transitions. Word has length 202 [2018-09-19 06:01:16,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:01:16,151 INFO L480 AbstractCegarLoop]: Abstraction has 2566 states and 3192 transitions. [2018-09-19 06:01:16,151 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:01:16,151 INFO L276 IsEmpty]: Start isEmpty. Operand 2566 states and 3192 transitions. [2018-09-19 06:01:16,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-09-19 06:01:16,156 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:01:16,156 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:01:16,157 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:01:16,157 INFO L82 PathProgramCache]: Analyzing trace with hash 839796629, now seen corresponding path program 1 times [2018-09-19 06:01:16,157 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:01:16,158 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 212 with the following transitions: [2018-09-19 06:01:16,158 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], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [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 06:01:16,160 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:01:16,160 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:01:16,189 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:01:16,897 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:01:16,897 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 06:01:16,922 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:01:17,140 INFO L232 lantSequenceWeakener]: Weakened 208 states. On average, predicates are now at 73.2% of their original sizes. [2018-09-19 06:01:17,140 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:01:17,262 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:01:17,262 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:01:17,262 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:01:17,262 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:01:17,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:01:17,263 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:01:17,263 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:01:17,263 INFO L87 Difference]: Start difference. First operand 2566 states and 3192 transitions. Second operand 10 states. [2018-09-19 06:01:19,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:01:19,016 INFO L93 Difference]: Finished difference Result 5163 states and 6584 transitions. [2018-09-19 06:01:19,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:01:19,023 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 211 [2018-09-19 06:01:19,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:01:19,034 INFO L225 Difference]: With dead ends: 5163 [2018-09-19 06:01:19,034 INFO L226 Difference]: Without dead ends: 2747 [2018-09-19 06:01:19,040 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 218 GetRequests, 202 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 06:01:19,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2747 states. [2018-09-19 06:01:19,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2747 to 2721. [2018-09-19 06:01:19,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2721 states. [2018-09-19 06:01:19,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2721 states to 2721 states and 3412 transitions. [2018-09-19 06:01:19,094 INFO L78 Accepts]: Start accepts. Automaton has 2721 states and 3412 transitions. Word has length 211 [2018-09-19 06:01:19,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:01:19,095 INFO L480 AbstractCegarLoop]: Abstraction has 2721 states and 3412 transitions. [2018-09-19 06:01:19,095 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:01:19,095 INFO L276 IsEmpty]: Start isEmpty. Operand 2721 states and 3412 transitions. [2018-09-19 06:01:19,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-09-19 06:01:19,100 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:01:19,100 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:01:19,100 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:01:19,100 INFO L82 PathProgramCache]: Analyzing trace with hash -273698687, now seen corresponding path program 1 times [2018-09-19 06:01:19,101 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:01:19,101 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 218 with the following transitions: [2018-09-19 06:01:19,101 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], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [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 06:01:19,103 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:01:19,103 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:01:19,126 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:01:19,246 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:01:19,247 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 06:01:19,290 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:01:19,406 INFO L232 lantSequenceWeakener]: Weakened 214 states. On average, predicates are now at 73.19% of their original sizes. [2018-09-19 06:01:19,406 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:01:19,518 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:01:19,519 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:01:19,519 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:01:19,519 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:01:19,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:01:19,520 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:01:19,520 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:01:19,520 INFO L87 Difference]: Start difference. First operand 2721 states and 3412 transitions. Second operand 10 states. [2018-09-19 06:01:22,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:01:22,089 INFO L93 Difference]: Finished difference Result 5472 states and 7022 transitions. [2018-09-19 06:01:22,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:01:22,090 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 217 [2018-09-19 06:01:22,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:01:22,102 INFO L225 Difference]: With dead ends: 5472 [2018-09-19 06:01:22,102 INFO L226 Difference]: Without dead ends: 2901 [2018-09-19 06:01:22,108 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 224 GetRequests, 208 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 06:01:22,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2901 states. [2018-09-19 06:01:22,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2901 to 2876. [2018-09-19 06:01:22,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2876 states. [2018-09-19 06:01:22,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2876 states to 2876 states and 3624 transitions. [2018-09-19 06:01:22,180 INFO L78 Accepts]: Start accepts. Automaton has 2876 states and 3624 transitions. Word has length 217 [2018-09-19 06:01:22,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:01:22,181 INFO L480 AbstractCegarLoop]: Abstraction has 2876 states and 3624 transitions. [2018-09-19 06:01:22,181 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:01:22,181 INFO L276 IsEmpty]: Start isEmpty. Operand 2876 states and 3624 transitions. [2018-09-19 06:01:22,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-09-19 06:01:22,187 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:01:22,187 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:01:22,188 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:01:22,188 INFO L82 PathProgramCache]: Analyzing trace with hash -49631046, now seen corresponding path program 1 times [2018-09-19 06:01:22,188 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:01:22,188 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 225 with the following transitions: [2018-09-19 06:01:22,189 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], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [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 06:01:22,191 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:01:22,192 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:01:22,223 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:01:22,370 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:01:22,371 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 06:01:22,377 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:01:22,615 INFO L232 lantSequenceWeakener]: Weakened 221 states. On average, predicates are now at 73.18% of their original sizes. [2018-09-19 06:01:22,615 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:01:22,730 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:01:22,731 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:01:22,731 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:01:22,731 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:01:22,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:01:22,732 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:01:22,732 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:01:22,732 INFO L87 Difference]: Start difference. First operand 2876 states and 3624 transitions. Second operand 10 states. [2018-09-19 06:01:25,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:01:25,305 INFO L93 Difference]: Finished difference Result 5959 states and 7691 transitions. [2018-09-19 06:01:25,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:01:25,311 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 224 [2018-09-19 06:01:25,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:01:25,325 INFO L225 Difference]: With dead ends: 5959 [2018-09-19 06:01:25,325 INFO L226 Difference]: Without dead ends: 3233 [2018-09-19 06:01:25,332 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 231 GetRequests, 215 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 06:01:25,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3233 states. [2018-09-19 06:01:25,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3233 to 3184. [2018-09-19 06:01:25,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3184 states. [2018-09-19 06:01:25,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3184 states to 3184 states and 4030 transitions. [2018-09-19 06:01:25,401 INFO L78 Accepts]: Start accepts. Automaton has 3184 states and 4030 transitions. Word has length 224 [2018-09-19 06:01:25,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:01:25,401 INFO L480 AbstractCegarLoop]: Abstraction has 3184 states and 4030 transitions. [2018-09-19 06:01:25,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:01:25,402 INFO L276 IsEmpty]: Start isEmpty. Operand 3184 states and 4030 transitions. [2018-09-19 06:01:25,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-09-19 06:01:25,408 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:01:25,408 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:01:25,408 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:01:25,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1611377340, now seen corresponding path program 1 times [2018-09-19 06:01:25,409 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:01:25,409 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 233 with the following transitions: [2018-09-19 06:01:25,409 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], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [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 06:01:25,412 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:01:25,412 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:01:25,464 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:01:25,615 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:01:25,615 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 06:01:25,630 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:01:25,769 INFO L232 lantSequenceWeakener]: Weakened 229 states. On average, predicates are now at 73.16% of their original sizes. [2018-09-19 06:01:25,770 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:01:25,996 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:01:25,997 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:01:25,997 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:01:25,997 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:01:25,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:01:25,998 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:01:25,998 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:01:25,998 INFO L87 Difference]: Start difference. First operand 3184 states and 4030 transitions. Second operand 10 states. [2018-09-19 06:01:28,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:01:28,677 INFO L93 Difference]: Finished difference Result 6547 states and 8487 transitions. [2018-09-19 06:01:28,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:01:28,686 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 232 [2018-09-19 06:01:28,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:01:28,705 INFO L225 Difference]: With dead ends: 6547 [2018-09-19 06:01:28,705 INFO L226 Difference]: Without dead ends: 3513 [2018-09-19 06:01:28,712 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 239 GetRequests, 223 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 06:01:28,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3513 states. [2018-09-19 06:01:28,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3513 to 3486. [2018-09-19 06:01:28,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3486 states. [2018-09-19 06:01:28,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3486 states to 3486 states and 4452 transitions. [2018-09-19 06:01:28,796 INFO L78 Accepts]: Start accepts. Automaton has 3486 states and 4452 transitions. Word has length 232 [2018-09-19 06:01:28,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:01:28,797 INFO L480 AbstractCegarLoop]: Abstraction has 3486 states and 4452 transitions. [2018-09-19 06:01:28,797 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:01:28,797 INFO L276 IsEmpty]: Start isEmpty. Operand 3486 states and 4452 transitions. [2018-09-19 06:01:28,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-09-19 06:01:28,804 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:01:28,805 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:01:28,805 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:01:28,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1535648274, now seen corresponding path program 1 times [2018-09-19 06:01:28,805 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:01:28,806 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 237 with the following transitions: [2018-09-19 06:01:28,806 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], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [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 06:01:28,809 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:01:28,809 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:01:28,834 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:01:29,088 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:01:29,089 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 06:01:29,124 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:01:29,282 INFO L232 lantSequenceWeakener]: Weakened 233 states. On average, predicates are now at 73.15% of their original sizes. [2018-09-19 06:01:29,282 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:01:29,754 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:01:29,755 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:01:29,755 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:01:29,755 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:01:29,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:01:29,756 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:01:29,756 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:01:29,756 INFO L87 Difference]: Start difference. First operand 3486 states and 4452 transitions. Second operand 10 states. [2018-09-19 06:01:31,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:01:31,510 INFO L93 Difference]: Finished difference Result 7025 states and 9137 transitions. [2018-09-19 06:01:31,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:01:31,519 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 236 [2018-09-19 06:01:31,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:01:31,529 INFO L225 Difference]: With dead ends: 7025 [2018-09-19 06:01:31,529 INFO L226 Difference]: Without dead ends: 3689 [2018-09-19 06:01:31,535 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 243 GetRequests, 227 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 06:01:31,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3689 states. [2018-09-19 06:01:31,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3689 to 3649. [2018-09-19 06:01:31,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3649 states. [2018-09-19 06:01:31,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3649 states to 3649 states and 4696 transitions. [2018-09-19 06:01:31,596 INFO L78 Accepts]: Start accepts. Automaton has 3649 states and 4696 transitions. Word has length 236 [2018-09-19 06:01:31,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:01:31,597 INFO L480 AbstractCegarLoop]: Abstraction has 3649 states and 4696 transitions. [2018-09-19 06:01:31,597 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:01:31,597 INFO L276 IsEmpty]: Start isEmpty. Operand 3649 states and 4696 transitions. [2018-09-19 06:01:31,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-09-19 06:01:31,604 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:01:31,604 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:01:31,604 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:01:31,605 INFO L82 PathProgramCache]: Analyzing trace with hash 2019354725, now seen corresponding path program 1 times [2018-09-19 06:01:31,605 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:01:31,605 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 252 with the following transitions: [2018-09-19 06:01:31,605 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], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [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 06:01:31,608 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:01:31,608 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:01:31,632 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:01:31,838 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:01:31,838 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 06:01:31,876 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:01:32,023 INFO L232 lantSequenceWeakener]: Weakened 248 states. On average, predicates are now at 73.13% of their original sizes. [2018-09-19 06:01:32,023 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:01:32,115 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:01:32,115 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:01:32,115 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:01:32,115 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:01:32,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:01:32,116 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:01:32,116 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:01:32,117 INFO L87 Difference]: Start difference. First operand 3649 states and 4696 transitions. Second operand 10 states. [2018-09-19 06:01:34,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:01:34,707 INFO L93 Difference]: Finished difference Result 7322 states and 9594 transitions. [2018-09-19 06:01:34,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:01:34,716 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 251 [2018-09-19 06:01:34,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:01:34,741 INFO L225 Difference]: With dead ends: 7322 [2018-09-19 06:01:34,741 INFO L226 Difference]: Without dead ends: 3823 [2018-09-19 06:01:34,750 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 258 GetRequests, 242 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 06:01:34,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3823 states. [2018-09-19 06:01:34,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3823 to 3806. [2018-09-19 06:01:34,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3806 states. [2018-09-19 06:01:34,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3806 states to 3806 states and 4906 transitions. [2018-09-19 06:01:34,822 INFO L78 Accepts]: Start accepts. Automaton has 3806 states and 4906 transitions. Word has length 251 [2018-09-19 06:01:34,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:01:34,823 INFO L480 AbstractCegarLoop]: Abstraction has 3806 states and 4906 transitions. [2018-09-19 06:01:34,823 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:01:34,823 INFO L276 IsEmpty]: Start isEmpty. Operand 3806 states and 4906 transitions. [2018-09-19 06:01:34,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-09-19 06:01:34,832 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:01:34,832 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, 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] [2018-09-19 06:01:34,832 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:01:34,833 INFO L82 PathProgramCache]: Analyzing trace with hash 1378378227, now seen corresponding path program 1 times [2018-09-19 06:01:34,833 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:01:34,833 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 266 with the following transitions: [2018-09-19 06:01:34,833 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], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [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 06:01:34,836 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:01:34,836 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:01:34,867 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:01:35,108 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:01:35,108 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 06:01:35,142 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:01:35,304 INFO L232 lantSequenceWeakener]: Weakened 262 states. On average, predicates are now at 73.11% of their original sizes. [2018-09-19 06:01:35,305 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:01:35,385 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:01:35,385 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:01:35,386 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:01:35,386 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:01:35,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:01:35,386 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:01:35,386 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:01:35,387 INFO L87 Difference]: Start difference. First operand 3806 states and 4906 transitions. Second operand 10 states. [2018-09-19 06:01:40,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:01:40,485 INFO L93 Difference]: Finished difference Result 8367 states and 11098 transitions. [2018-09-19 06:01:40,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:01:40,494 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 265 [2018-09-19 06:01:40,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:01:40,508 INFO L225 Difference]: With dead ends: 8367 [2018-09-19 06:01:40,508 INFO L226 Difference]: Without dead ends: 4711 [2018-09-19 06:01:40,516 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 272 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:01:40,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4711 states. [2018-09-19 06:01:40,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4711 to 4649. [2018-09-19 06:01:40,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4649 states. [2018-09-19 06:01:40,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4649 states to 4649 states and 6018 transitions. [2018-09-19 06:01:40,610 INFO L78 Accepts]: Start accepts. Automaton has 4649 states and 6018 transitions. Word has length 265 [2018-09-19 06:01:40,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:01:40,610 INFO L480 AbstractCegarLoop]: Abstraction has 4649 states and 6018 transitions. [2018-09-19 06:01:40,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:01:40,611 INFO L276 IsEmpty]: Start isEmpty. Operand 4649 states and 6018 transitions. [2018-09-19 06:01:40,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-09-19 06:01:40,619 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:01:40,620 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, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:01:40,620 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:01:40,620 INFO L82 PathProgramCache]: Analyzing trace with hash -158254226, now seen corresponding path program 1 times [2018-09-19 06:01:40,620 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:01:40,621 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 274 with the following transitions: [2018-09-19 06:01:40,621 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], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [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 06:01:40,623 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:01:40,623 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:01:40,648 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:01:40,772 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:01:40,772 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 06:01:40,815 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:01:40,996 INFO L232 lantSequenceWeakener]: Weakened 270 states. On average, predicates are now at 73.13% of their original sizes. [2018-09-19 06:01:40,996 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:01:41,092 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:01:41,093 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:01:41,093 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:01:41,093 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:01:41,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:01:41,093 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:01:41,094 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:01:41,094 INFO L87 Difference]: Start difference. First operand 4649 states and 6018 transitions. Second operand 10 states. [2018-09-19 06:01:43,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:01:43,642 INFO L93 Difference]: Finished difference Result 9531 states and 12530 transitions. [2018-09-19 06:01:43,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:01:43,648 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 273 [2018-09-19 06:01:43,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:01:43,663 INFO L225 Difference]: With dead ends: 9531 [2018-09-19 06:01:43,663 INFO L226 Difference]: Without dead ends: 5032 [2018-09-19 06:01:43,673 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 280 GetRequests, 264 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 06:01:43,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5032 states. [2018-09-19 06:01:43,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5032 to 4977. [2018-09-19 06:01:43,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4977 states. [2018-09-19 06:01:43,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4977 states to 4977 states and 6473 transitions. [2018-09-19 06:01:43,765 INFO L78 Accepts]: Start accepts. Automaton has 4977 states and 6473 transitions. Word has length 273 [2018-09-19 06:01:43,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:01:43,765 INFO L480 AbstractCegarLoop]: Abstraction has 4977 states and 6473 transitions. [2018-09-19 06:01:43,766 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:01:43,766 INFO L276 IsEmpty]: Start isEmpty. Operand 4977 states and 6473 transitions. [2018-09-19 06:01:43,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-09-19 06:01:43,776 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:01:43,776 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, 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, 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 06:01:43,777 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:01:43,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1251369126, now seen corresponding path program 1 times [2018-09-19 06:01:43,777 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:01:43,777 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 290 with the following transitions: [2018-09-19 06:01:43,778 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], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [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 06:01:43,781 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:01:43,782 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:01:43,808 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:01:48,403 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:01:48,403 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 06:01:48,409 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:01:49,817 INFO L232 lantSequenceWeakener]: Weakened 286 states. On average, predicates are now at 73.11% of their original sizes. [2018-09-19 06:01:49,817 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:01:49,893 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:01:49,893 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:01:49,893 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:01:49,893 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:01:49,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:01:49,894 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:01:49,894 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:01:49,894 INFO L87 Difference]: Start difference. First operand 4977 states and 6473 transitions. Second operand 10 states. [2018-09-19 06:01:51,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:01:51,914 INFO L93 Difference]: Finished difference Result 10225 states and 13506 transitions. [2018-09-19 06:01:51,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-19 06:01:51,916 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 289 [2018-09-19 06:01:51,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:01:51,941 INFO L225 Difference]: With dead ends: 10225 [2018-09-19 06:01:51,942 INFO L226 Difference]: Without dead ends: 5398 [2018-09-19 06:01:51,952 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 296 GetRequests, 280 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 06:01:51,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5398 states. [2018-09-19 06:01:52,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5398 to 5325. [2018-09-19 06:01:52,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5325 states. [2018-09-19 06:01:52,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5325 states to 5325 states and 6951 transitions. [2018-09-19 06:01:52,061 INFO L78 Accepts]: Start accepts. Automaton has 5325 states and 6951 transitions. Word has length 289 [2018-09-19 06:01:52,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:01:52,062 INFO L480 AbstractCegarLoop]: Abstraction has 5325 states and 6951 transitions. [2018-09-19 06:01:52,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:01:52,062 INFO L276 IsEmpty]: Start isEmpty. Operand 5325 states and 6951 transitions. [2018-09-19 06:01:52,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-09-19 06:01:52,077 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:01:52,077 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, 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, 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 06:01:52,077 INFO L423 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:01:52,078 INFO L82 PathProgramCache]: Analyzing trace with hash 2099085810, now seen corresponding path program 1 times [2018-09-19 06:01:52,078 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:01:52,078 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 292 with the following transitions: [2018-09-19 06:01:52,078 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], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [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 06:01:52,081 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:01:52,081 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:01:52,112 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:01:52,291 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:01:52,292 INFO L272 AbstractInterpreter]: Visited 108 different actions 528 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 06:01:52,294 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:01:52,468 INFO L232 lantSequenceWeakener]: Weakened 288 states. On average, predicates are now at 73.1% of their original sizes. [2018-09-19 06:01:52,469 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:01:52,849 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:01:52,849 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:01:52,849 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:01:52,850 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:01:52,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:01:52,850 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:01:52,850 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:01:52,850 INFO L87 Difference]: Start difference. First operand 5325 states and 6951 transitions. Second operand 10 states. [2018-09-19 06:01:55,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:01:55,404 INFO L93 Difference]: Finished difference Result 12495 states and 16698 transitions. [2018-09-19 06:01:55,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:01:55,405 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 291 [2018-09-19 06:01:55,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:01:55,426 INFO L225 Difference]: With dead ends: 12495 [2018-09-19 06:01:55,427 INFO L226 Difference]: Without dead ends: 7320 [2018-09-19 06:01:55,439 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 298 GetRequests, 282 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 06:01:55,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7320 states. [2018-09-19 06:01:55,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7320 to 7265. [2018-09-19 06:01:55,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7265 states. [2018-09-19 06:01:55,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7265 states to 7265 states and 9556 transitions. [2018-09-19 06:01:55,574 INFO L78 Accepts]: Start accepts. Automaton has 7265 states and 9556 transitions. Word has length 291 [2018-09-19 06:01:55,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:01:55,575 INFO L480 AbstractCegarLoop]: Abstraction has 7265 states and 9556 transitions. [2018-09-19 06:01:55,575 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:01:55,575 INFO L276 IsEmpty]: Start isEmpty. Operand 7265 states and 9556 transitions. [2018-09-19 06:01:55,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-09-19 06:01:55,587 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:01:55,587 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, 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, 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] [2018-09-19 06:01:55,588 INFO L423 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:01:55,588 INFO L82 PathProgramCache]: Analyzing trace with hash 198519320, now seen corresponding path program 1 times [2018-09-19 06:01:55,588 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:01:55,588 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 292 with the following transitions: [2018-09-19 06:01:55,589 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], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [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], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:01:55,591 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:01:55,591 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:01:55,621 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:01:55,772 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:01:55,772 INFO L272 AbstractInterpreter]: Visited 104 different actions 510 times. Merged at 8 different actions 34 times. Never widened. Found 8 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 06:01:55,806 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:01:55,971 INFO L232 lantSequenceWeakener]: Weakened 288 states. On average, predicates are now at 73.1% of their original sizes. [2018-09-19 06:01:55,971 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:01:56,053 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:01:56,053 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:01:56,053 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:01:56,053 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:01:56,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:01:56,054 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:01:56,054 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:01:56,054 INFO L87 Difference]: Start difference. First operand 7265 states and 9556 transitions. Second operand 10 states. [2018-09-19 06:01:58,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:01:58,612 INFO L93 Difference]: Finished difference Result 16202 states and 21703 transitions. [2018-09-19 06:01:58,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:01:58,613 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 291 [2018-09-19 06:01:58,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:01:58,632 INFO L225 Difference]: With dead ends: 16202 [2018-09-19 06:01:58,632 INFO L226 Difference]: Without dead ends: 9087 [2018-09-19 06:01:58,644 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 298 GetRequests, 282 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 06:01:58,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9087 states. [2018-09-19 06:01:58,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9087 to 8821. [2018-09-19 06:01:58,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8821 states. [2018-09-19 06:01:58,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8821 states to 8821 states and 11487 transitions. [2018-09-19 06:01:58,958 INFO L78 Accepts]: Start accepts. Automaton has 8821 states and 11487 transitions. Word has length 291 [2018-09-19 06:01:58,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:01:58,959 INFO L480 AbstractCegarLoop]: Abstraction has 8821 states and 11487 transitions. [2018-09-19 06:01:58,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:01:58,960 INFO L276 IsEmpty]: Start isEmpty. Operand 8821 states and 11487 transitions. [2018-09-19 06:01:58,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-09-19 06:01:58,974 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:01:58,974 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, 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, 2, 2, 2, 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 06:01:58,975 INFO L423 AbstractCegarLoop]: === Iteration 22 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:01:58,975 INFO L82 PathProgramCache]: Analyzing trace with hash -2009974533, now seen corresponding path program 1 times [2018-09-19 06:01:58,975 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:01:58,975 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 302 with the following transitions: [2018-09-19 06:01:58,976 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], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [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], [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 06:01:58,979 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:01:58,979 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:01:59,034 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:01:59,239 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:01:59,239 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 06:01:59,245 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:01:59,444 INFO L232 lantSequenceWeakener]: Weakened 298 states. On average, predicates are now at 73.06% of their original sizes. [2018-09-19 06:01:59,445 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:01:59,593 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:01:59,593 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:01:59,593 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:01:59,593 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:01:59,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:01:59,594 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:01:59,594 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:01:59,594 INFO L87 Difference]: Start difference. First operand 8821 states and 11487 transitions. Second operand 10 states. [2018-09-19 06:02:03,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:02:03,417 INFO L93 Difference]: Finished difference Result 18387 states and 24076 transitions. [2018-09-19 06:02:03,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:02:03,419 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 301 [2018-09-19 06:02:03,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:02:03,441 INFO L225 Difference]: With dead ends: 18387 [2018-09-19 06:02:03,441 INFO L226 Difference]: Without dead ends: 9716 [2018-09-19 06:02:03,453 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 308 GetRequests, 292 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 06:02:03,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9716 states. [2018-09-19 06:02:03,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9716 to 9552. [2018-09-19 06:02:03,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9552 states. [2018-09-19 06:02:03,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9552 states to 9552 states and 12465 transitions. [2018-09-19 06:02:03,617 INFO L78 Accepts]: Start accepts. Automaton has 9552 states and 12465 transitions. Word has length 301 [2018-09-19 06:02:03,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:02:03,617 INFO L480 AbstractCegarLoop]: Abstraction has 9552 states and 12465 transitions. [2018-09-19 06:02:03,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:02:03,618 INFO L276 IsEmpty]: Start isEmpty. Operand 9552 states and 12465 transitions. [2018-09-19 06:02:03,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-09-19 06:02:03,632 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:02:03,632 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, 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, 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] [2018-09-19 06:02:03,633 INFO L423 AbstractCegarLoop]: === Iteration 23 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:02:03,633 INFO L82 PathProgramCache]: Analyzing trace with hash 384231750, now seen corresponding path program 1 times [2018-09-19 06:02:03,633 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:02:03,633 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 310 with the following transitions: [2018-09-19 06:02:03,634 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], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [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], [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], [679], [683], [687], [691], [695], [699], [702], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:02:03,636 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:02:03,636 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:02:03,659 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:02:03,913 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:02:03,913 INFO L272 AbstractInterpreter]: Visited 131 different actions 774 times. Merged at 8 different actions 43 times. Widened at 1 different actions 1 times. Found 9 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 06:02:03,918 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:02:04,062 INFO L232 lantSequenceWeakener]: Weakened 306 states. On average, predicates are now at 73.08% of their original sizes. [2018-09-19 06:02:04,063 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:02:04,160 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:02:04,160 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:02:04,160 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:02:04,160 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:02:04,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:02:04,161 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:02:04,161 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:02:04,161 INFO L87 Difference]: Start difference. First operand 9552 states and 12465 transitions. Second operand 10 states. [2018-09-19 06:02:07,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:02:07,628 INFO L93 Difference]: Finished difference Result 19826 states and 26220 transitions. [2018-09-19 06:02:07,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:02:07,628 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 309 [2018-09-19 06:02:07,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:02:07,654 INFO L225 Difference]: With dead ends: 19826 [2018-09-19 06:02:07,654 INFO L226 Difference]: Without dead ends: 10424 [2018-09-19 06:02:07,666 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 316 GetRequests, 300 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 06:02:07,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10424 states. [2018-09-19 06:02:07,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10424 to 10350. [2018-09-19 06:02:07,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10350 states. [2018-09-19 06:02:07,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10350 states to 10350 states and 13664 transitions. [2018-09-19 06:02:07,820 INFO L78 Accepts]: Start accepts. Automaton has 10350 states and 13664 transitions. Word has length 309 [2018-09-19 06:02:07,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:02:07,820 INFO L480 AbstractCegarLoop]: Abstraction has 10350 states and 13664 transitions. [2018-09-19 06:02:07,820 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:02:07,820 INFO L276 IsEmpty]: Start isEmpty. Operand 10350 states and 13664 transitions. [2018-09-19 06:02:07,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-09-19 06:02:07,834 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:02:07,835 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, 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, 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] [2018-09-19 06:02:07,835 INFO L423 AbstractCegarLoop]: === Iteration 24 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:02:07,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1644416858, now seen corresponding path program 1 times [2018-09-19 06:02:07,835 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:02:07,836 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 312 with the following transitions: [2018-09-19 06:02:07,836 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], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [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], [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 06:02:07,839 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:02:07,839 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:02:07,863 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:02:08,088 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:02:08,088 INFO L272 AbstractInterpreter]: Visited 119 different actions 700 times. Merged at 8 different actions 41 times. Widened at 1 different actions 1 times. Found 9 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 06:02:08,093 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:02:08,229 INFO L232 lantSequenceWeakener]: Weakened 308 states. On average, predicates are now at 73.08% of their original sizes. [2018-09-19 06:02:08,229 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:02:08,304 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:02:08,304 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:02:08,304 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:02:08,305 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:02:08,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:02:08,305 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:02:08,305 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:02:08,306 INFO L87 Difference]: Start difference. First operand 10350 states and 13664 transitions. Second operand 10 states. [2018-09-19 06:02:10,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:02:10,424 INFO L93 Difference]: Finished difference Result 21036 states and 27952 transitions. [2018-09-19 06:02:10,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:02:10,424 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 311 [2018-09-19 06:02:10,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:02:10,452 INFO L225 Difference]: With dead ends: 21036 [2018-09-19 06:02:10,453 INFO L226 Difference]: Without dead ends: 10836 [2018-09-19 06:02:10,469 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 318 GetRequests, 302 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 06:02:10,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10836 states. [2018-09-19 06:02:10,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10836 to 10710. [2018-09-19 06:02:10,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10710 states. [2018-09-19 06:02:10,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10710 states to 10710 states and 14126 transitions. [2018-09-19 06:02:10,833 INFO L78 Accepts]: Start accepts. Automaton has 10710 states and 14126 transitions. Word has length 311 [2018-09-19 06:02:10,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:02:10,833 INFO L480 AbstractCegarLoop]: Abstraction has 10710 states and 14126 transitions. [2018-09-19 06:02:10,833 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:02:10,833 INFO L276 IsEmpty]: Start isEmpty. Operand 10710 states and 14126 transitions. [2018-09-19 06:02:10,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-09-19 06:02:10,845 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:02:10,845 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, 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, 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] [2018-09-19 06:02:10,845 INFO L423 AbstractCegarLoop]: === Iteration 25 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:02:10,846 INFO L82 PathProgramCache]: Analyzing trace with hash -775782144, now seen corresponding path program 1 times [2018-09-19 06:02:10,846 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:02:10,846 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 312 with the following transitions: [2018-09-19 06:02:10,846 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], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [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], [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], [674], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:02:10,849 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:02:10,849 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:02:10,881 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:02:11,178 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:02:11,179 INFO L272 AbstractInterpreter]: Visited 124 different actions 732 times. Merged at 8 different actions 43 times. Widened at 1 different actions 1 times. Found 10 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 06:02:11,199 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:02:11,385 INFO L232 lantSequenceWeakener]: Weakened 308 states. On average, predicates are now at 73.08% of their original sizes. [2018-09-19 06:02:11,386 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:02:11,467 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:02:11,468 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:02:11,468 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:02:11,468 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:02:11,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:02:11,469 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:02:11,469 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:02:11,469 INFO L87 Difference]: Start difference. First operand 10710 states and 14126 transitions. Second operand 10 states. [2018-09-19 06:02:14,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:02:14,666 INFO L93 Difference]: Finished difference Result 22957 states and 30637 transitions. [2018-09-19 06:02:14,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:02:14,666 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 311 [2018-09-19 06:02:14,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:02:14,698 INFO L225 Difference]: With dead ends: 22957 [2018-09-19 06:02:14,699 INFO L226 Difference]: Without dead ends: 12397 [2018-09-19 06:02:14,717 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 318 GetRequests, 302 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 06:02:14,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12397 states. [2018-09-19 06:02:14,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12397 to 12226. [2018-09-19 06:02:14,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12226 states. [2018-09-19 06:02:14,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12226 states to 12226 states and 16091 transitions. [2018-09-19 06:02:14,945 INFO L78 Accepts]: Start accepts. Automaton has 12226 states and 16091 transitions. Word has length 311 [2018-09-19 06:02:14,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:02:14,946 INFO L480 AbstractCegarLoop]: Abstraction has 12226 states and 16091 transitions. [2018-09-19 06:02:14,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:02:14,946 INFO L276 IsEmpty]: Start isEmpty. Operand 12226 states and 16091 transitions. [2018-09-19 06:02:14,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-09-19 06:02:14,960 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:02:14,960 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, 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, 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] [2018-09-19 06:02:14,960 INFO L423 AbstractCegarLoop]: === Iteration 26 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:02:14,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1548638170, now seen corresponding path program 1 times [2018-09-19 06:02:14,961 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:02:14,961 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 320 with the following transitions: [2018-09-19 06:02:14,961 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], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [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], [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], [706], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:02:14,964 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:02:14,964 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:02:14,990 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:02:15,177 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:02:15,178 INFO L272 AbstractInterpreter]: Visited 132 different actions 648 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 06:02:15,182 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:02:15,334 INFO L232 lantSequenceWeakener]: Weakened 316 states. On average, predicates are now at 73.07% of their original sizes. [2018-09-19 06:02:15,335 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:02:15,413 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:02:15,413 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:02:15,413 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:02:15,413 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:02:15,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:02:15,414 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:02:15,414 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:02:15,415 INFO L87 Difference]: Start difference. First operand 12226 states and 16091 transitions. Second operand 10 states. [2018-09-19 06:02:18,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:02:18,816 INFO L93 Difference]: Finished difference Result 27351 states and 36318 transitions. [2018-09-19 06:02:18,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-19 06:02:18,817 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 319 [2018-09-19 06:02:18,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:02:18,847 INFO L225 Difference]: With dead ends: 27351 [2018-09-19 06:02:18,847 INFO L226 Difference]: Without dead ends: 15275 [2018-09-19 06:02:18,865 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 326 GetRequests, 310 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 06:02:18,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15275 states. [2018-09-19 06:02:19,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15275 to 15041. [2018-09-19 06:02:19,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15041 states. [2018-09-19 06:02:19,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15041 states to 15041 states and 19851 transitions. [2018-09-19 06:02:19,130 INFO L78 Accepts]: Start accepts. Automaton has 15041 states and 19851 transitions. Word has length 319 [2018-09-19 06:02:19,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:02:19,131 INFO L480 AbstractCegarLoop]: Abstraction has 15041 states and 19851 transitions. [2018-09-19 06:02:19,131 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:02:19,131 INFO L276 IsEmpty]: Start isEmpty. Operand 15041 states and 19851 transitions. [2018-09-19 06:02:19,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-09-19 06:02:19,141 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:02:19,142 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, 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, 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] [2018-09-19 06:02:19,142 INFO L423 AbstractCegarLoop]: === Iteration 27 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:02:19,142 INFO L82 PathProgramCache]: Analyzing trace with hash 1307273, now seen corresponding path program 1 times [2018-09-19 06:02:19,142 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:02:19,142 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 323 with the following transitions: [2018-09-19 06:02:19,143 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], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [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], [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], [694], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:02:19,145 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:02:19,145 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:02:19,167 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:02:21,726 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-09-19 06:02:21,726 INFO L272 AbstractInterpreter]: Visited 130 different actions 634 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 06:02:21,734 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-19 06:02:21,776 WARN L209 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2018-09-19 06:02:21,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 06:02:21 BoogieIcfgContainer [2018-09-19 06:02:21,777 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 06:02:21,778 INFO L168 Benchmark]: Toolchain (without parser) took 108705.68 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 2.6 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-09-19 06:02:21,780 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 06:02:21,780 INFO L168 Benchmark]: CACSL2BoogieTranslator took 787.68 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-09-19 06:02:21,781 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.27 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-19 06:02:21,781 INFO L168 Benchmark]: Boogie Preprocessor took 250.89 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 740.3 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -832.8 MB). Peak memory consumption was 28.9 MB. Max. memory is 7.1 GB. [2018-09-19 06:02:21,782 INFO L168 Benchmark]: RCFGBuilder took 3145.71 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 110.0 MB). Peak memory consumption was 110.0 MB. Max. memory is 7.1 GB. [2018-09-19 06:02:21,783 INFO L168 Benchmark]: TraceAbstraction took 104396.09 ms. Allocated memory was 2.2 GB in the beginning and 4.0 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 2.6 GB in the end (delta: -554.2 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-09-19 06:02:21,787 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 787.68 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 118.27 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 250.89 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 740.3 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -832.8 MB). Peak memory consumption was 28.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3145.71 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 110.0 MB). Peak memory consumption was 110.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 104396.09 ms. Allocated memory was 2.2 GB in the beginning and 4.0 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 2.6 GB in the end (delta: -554.2 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 112]: 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 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 TRUE ((((a12==0) && ((((a10==0) && 218 < a1 ) || ((a10==1) && a1 <= -13 )) && (input == 2))) && (a19==9)) && (a4==14)) [L297] a1 = ((((((a1 * 9)/ 10) % 299993)+ -300005) / 5) + -75819) [L298] a10 = 4 [L300] 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 FALSE !((((a10==3) && (((a19==9) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5))) && (a12==0))) && (a4==14))) [L351] COND FALSE !((((a12==0) && ((a10==1) && ( 218 < a1 && ((a19==9) && (input == 6))))) && (a4==14))) [L354] COND FALSE !(((a10==0) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 3)) && (a19==10)) && (a4==14))))) [L357] COND FALSE !((((a10==4) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a4==14)) && (a19==9))) && (a12==0))) [L360] COND FALSE !(((a4==14) && ((a10==1) && ((a19==9) && ((a12==0) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4))))))) [L365] COND FALSE !(((a4==14) && ((a19==9) && (((( a1 <= -13 && (a10==3)) || (( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 ))) && (input == 3)) && (a12==0))))) [L370] COND FALSE !((((((a4==14) && ((input == 6) && (a10==1))) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a19==10))) [L375] COND FALSE !(((a4==14) && (((a12==0) && ( 218 < a1 && ((a19==9) && (input == 3)))) && (a10==4)))) [L378] COND FALSE !((((a4==14) && ((a12==0) && ((((a10==3) && 218 < a1 ) || ((a10==4) && a1 <= -13 )) && (input == 4)))) && (a19==9))) [L383] COND FALSE !((((a12==0) && (((a10==4) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 3))) && (a4==14))) && (a19==9))) [L388] COND FALSE !(((a19==9) && ((a4==14) && (((input == 5) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ((a10==3) && a1 <= -13 ))) && (a12==0))))) [L393] COND FALSE !(((a12==0) && (((a19==9) && ((((a10==0) && 218 < a1 ) || ( a1 <= -13 && (a10==1))) && (input == 5))) && (a4==14)))) [L398] COND FALSE !(( 218 < a1 && ((((a12==0) && ((a19==9) && (input == 2))) && (a10==4)) && (a4==14)))) [L403] COND FALSE !((((a12==0) && ((a19==9) && ((((a10==3) && a1 <= -13 ) || (((a10==2) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==2)))) && (input == 6)))) && (a4==14))) [L408] COND FALSE !(((a19==9) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 5)) && (a4==14)) && (a10==2))))) [L414] COND FALSE !((((a10==1) && (((a12==0) && ((a19==10) && (input == 4))) && ((-13 < a1) && (38 >= a1)) )) && (a4==14))) [L419] COND FALSE !(((a12==0) && ((a4==14) && ( 218 < a1 && (((a10==1) && (input == 4)) && (a19==10)))))) [L425] COND FALSE !(((((((input == 3) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a10==0)) && (a19==9)) && (a4==14)) && (a12==0))) [L430] COND FALSE !((((a4==14) && (((( a1 <= -13 && (a10==1)) || (((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0)))) && (input == 6)) && (a19==10))) && (a12==0))) [L436] COND FALSE !(((a19==9) && ((((input == 4) && (( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 ))) && (a12==0)) && (a4==14)))) [L442] COND FALSE !((((a19==10) && ((a12==0) && ((((a10==1) && a1 <= -13 ) || (( ((38 < a1) && (218 >= a1)) && (a10==0)) || ((a10==0) && 218 < a1 ))) && (input == 3)))) && (a4==14))) [L448] COND TRUE ((a19==9) && (((a4==14) && ((((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4))) && (input == 5))) && (a12==0))) [L449] a1 = ((((((a1 % 25)- -12) - 0) * 5) % 25)- -13) [L450] a10 = 3 [L451] a19 = 6 [L453] 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 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 TRUE (((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6)) [L112] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. UNKNOWN Result, 104.3s OverallTime, 27 OverallIterations, 4 TraceHistogramMax, 74.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4771 SDtfs, 17662 SDslu, 8099 SDs, 0 SdLazy, 45556 SolverSat, 4874 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 59.7s Time, PredicateUnifierStatistics: 52 DeclaredPredicates, 6095 GetRequests, 5694 SyntacticMatches, 0 SemanticMatches, 401 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1001 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15041occurred in iteration=26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 16.0s AbstIntTime, 27 AbstIntIterations, 26 AbstIntStrong, 0.9966589337260233 AbsIntWeakeningRatio, 0.11664971176670058 AbsIntAvgWeakeningVarsNumRemoved, 19.267887419464227 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.8s AutomataMinimizationTime, 26 MinimizatonAttempts, 1619 StatesRemovedByMinimization, 26 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_label03_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_06-02-21-802.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label03_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_06-02-21-802.csv Received shutdown request...