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_label06_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 06:00:41,142 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 06:00:41,144 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 06:00:41,158 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 06:00:41,158 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 06:00:41,159 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 06:00:41,160 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 06:00:41,162 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 06:00:41,164 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 06:00:41,165 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 06:00:41,167 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 06:00:41,167 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 06:00:41,168 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 06:00:41,169 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 06:00:41,170 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 06:00:41,171 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 06:00:41,172 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 06:00:41,174 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 06:00:41,177 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 06:00:41,178 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 06:00:41,179 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 06:00:41,181 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 06:00:41,184 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 06:00:41,184 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 06:00:41,184 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 06:00:41,185 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 06:00:41,187 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 06:00:41,187 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 06:00:41,188 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 06:00:41,190 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 06:00:41,190 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 06:00:41,191 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-19 06:00:41,194 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 06:00:41,211 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 06:00:41,211 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 06:00:41,212 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 06:00:41,212 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 06:00:41,212 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 06:00:41,213 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 06:00:41,213 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-19 06:00:41,213 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 06:00:41,213 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-19 06:00:41,213 INFO L133 SettingsManager]: * Abstract domain=IntervalDomain [2018-09-19 06:00:41,214 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 06:00:41,214 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 06:00:41,214 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 06:00:41,215 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 06:00:41,215 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 06:00:41,216 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 06:00:41,216 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 06:00:41,216 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 06:00:41,216 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 06:00:41,218 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 06:00:41,219 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 06:00:41,219 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 06:00:41,219 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 06:00:41,219 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 06:00:41,219 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 06:00:41,220 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 06:00:41,220 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 06:00:41,220 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 06:00:41,220 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 06:00:41,220 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 06:00:41,221 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 06:00:41,221 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 06:00:41,221 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 06:00:41,221 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 06:00:41,221 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 06:00:41,288 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 06:00:41,311 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 06:00:41,316 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 06:00:41,318 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 06:00:41,319 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 06:00:41,320 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label06_true-unreach-call.c [2018-09-19 06:00:41,699 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d645b361f/d3406feda4114227a650880556fde395/FLAG157dba601 [2018-09-19 06:00:41,989 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 06:00:41,992 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label06_true-unreach-call.c [2018-09-19 06:00:42,019 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d645b361f/d3406feda4114227a650880556fde395/FLAG157dba601 [2018-09-19 06:00:42,044 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d645b361f/d3406feda4114227a650880556fde395 [2018-09-19 06:00:42,059 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 06:00:42,064 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 06:00:42,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 06:00:42,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 06:00:42,075 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 06:00:42,076 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 06:00:42" (1/1) ... [2018-09-19 06:00:42,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68983f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:00:42, skipping insertion in model container [2018-09-19 06:00:42,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 06:00:42" (1/1) ... [2018-09-19 06:00:42,092 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 06:00:42,610 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 06:00:42,636 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 06:00:42,762 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 06:00:42,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:00:42 WrapperNode [2018-09-19 06:00:42,816 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 06:00:42,817 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 06:00:42,817 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 06:00:42,817 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 06:00:42,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:00:42" (1/1) ... [2018-09-19 06:00:42,853 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:00:42" (1/1) ... [2018-09-19 06:00:42,925 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 06:00:42,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 06:00:42,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 06:00:42,926 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 06:00:42,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:00:42" (1/1) ... [2018-09-19 06:00:42,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:00:42" (1/1) ... [2018-09-19 06:00:42,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:00:42" (1/1) ... [2018-09-19 06:00:42,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:00:42" (1/1) ... [2018-09-19 06:00:43,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:00:42" (1/1) ... [2018-09-19 06:00:43,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:00:42" (1/1) ... [2018-09-19 06:00:43,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:00:42" (1/1) ... [2018-09-19 06:00:43,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 06:00:43,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 06:00:43,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 06:00:43,195 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 06:00:43,198 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:00:42" (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 06:00:43,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 06:00:43,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 06:00:43,284 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-19 06:00:43,285 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-19 06:00:43,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 06:00:43,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 06:00:43,285 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 06:00:43,285 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 06:00:46,495 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 06:00:46,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 06:00:46 BoogieIcfgContainer [2018-09-19 06:00:46,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 06:00:46,497 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 06:00:46,498 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 06:00:46,502 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 06:00:46,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 06:00:42" (1/3) ... [2018-09-19 06:00:46,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dc0e114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 06:00:46, skipping insertion in model container [2018-09-19 06:00:46,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:00:42" (2/3) ... [2018-09-19 06:00:46,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dc0e114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 06:00:46, skipping insertion in model container [2018-09-19 06:00:46,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 06:00:46" (3/3) ... [2018-09-19 06:00:46,506 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label06_true-unreach-call.c [2018-09-19 06:00:46,516 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 06:00:46,525 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 06:00:46,578 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 06:00:46,579 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 06:00:46,579 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 06:00:46,579 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 06:00:46,579 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 06:00:46,579 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 06:00:46,580 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 06:00:46,580 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 06:00:46,580 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 06:00:46,609 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-09-19 06:00:46,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-19 06:00:46,617 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:00:46,618 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] [2018-09-19 06:00:46,619 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:00:46,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1783356911, now seen corresponding path program 1 times [2018-09-19 06:00:46,626 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:00:46,627 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 32 with the following transitions: [2018-09-19 06:00:46,629 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [149], [151], [796], [800], [806], [810], [817], [818], [819], [821] [2018-09-19 06:00:46,668 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:00:46,668 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:00:46,848 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:00:46,849 INFO L272 AbstractInterpreter]: Visited 30 different actions 30 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-09-19 06:00:46,898 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:00:46,996 INFO L232 lantSequenceWeakener]: Weakened 28 states. On average, predicates are now at 73.66% of their original sizes. [2018-09-19 06:00:46,997 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:00:47,240 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:00:47,242 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:00:47,242 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-19 06:00:47,242 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:00:47,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-19 06:00:47,256 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-19 06:00:47,257 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 06:00:47,260 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 6 states. [2018-09-19 06:00:50,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:00:50,540 INFO L93 Difference]: Finished difference Result 576 states and 995 transitions. [2018-09-19 06:00:50,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-19 06:00:50,543 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-09-19 06:00:50,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:00:50,563 INFO L225 Difference]: With dead ends: 576 [2018-09-19 06:00:50,564 INFO L226 Difference]: Without dead ends: 358 [2018-09-19 06:00:50,571 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 30 GetRequests, 26 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 06:00:50,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2018-09-19 06:00:50,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 356. [2018-09-19 06:00:50,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-09-19 06:00:50,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 497 transitions. [2018-09-19 06:00:50,650 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 497 transitions. Word has length 31 [2018-09-19 06:00:50,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:00:50,651 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 497 transitions. [2018-09-19 06:00:50,651 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-19 06:00:50,653 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 497 transitions. [2018-09-19 06:00:50,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-09-19 06:00:50,660 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:00:50,660 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:00:50,661 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:00:50,661 INFO L82 PathProgramCache]: Analyzing trace with hash 228974179, now seen corresponding path program 1 times [2018-09-19 06:00:50,661 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:00:50,662 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 103 with the following transitions: [2018-09-19 06:00:50,662 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [149], [151], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:00:50,680 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:00:50,680 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:00:50,841 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:00:50,961 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:00:50,961 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 06:00:51,002 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:00:51,196 INFO L232 lantSequenceWeakener]: Weakened 99 states. On average, predicates are now at 73.08% of their original sizes. [2018-09-19 06:00:51,197 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:00:51,821 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:00:51,821 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:00:51,822 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:00:51,822 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:00:51,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:00:51,823 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:00:51,824 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:00:51,824 INFO L87 Difference]: Start difference. First operand 356 states and 497 transitions. Second operand 10 states. [2018-09-19 06:00:55,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:00:55,574 INFO L93 Difference]: Finished difference Result 717 states and 1132 transitions. [2018-09-19 06:00:55,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-19 06:00:55,577 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 102 [2018-09-19 06:00:55,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:00:55,582 INFO L225 Difference]: With dead ends: 717 [2018-09-19 06:00:55,583 INFO L226 Difference]: Without dead ends: 511 [2018-09-19 06:00:55,587 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 108 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-09-19 06:00:55,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2018-09-19 06:00:55,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 505. [2018-09-19 06:00:55,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2018-09-19 06:00:55,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 669 transitions. [2018-09-19 06:00:55,620 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 669 transitions. Word has length 102 [2018-09-19 06:00:55,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:00:55,621 INFO L480 AbstractCegarLoop]: Abstraction has 505 states and 669 transitions. [2018-09-19 06:00:55,621 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:00:55,621 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 669 transitions. [2018-09-19 06:00:55,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-09-19 06:00:55,626 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:00:55,627 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:00:55,627 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:00:55,628 INFO L82 PathProgramCache]: Analyzing trace with hash 812548124, now seen corresponding path program 1 times [2018-09-19 06:00:55,628 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:00:55,628 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 112 with the following transitions: [2018-09-19 06:00:55,629 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [149], [151], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:00:55,638 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:00:55,638 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:00:55,727 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:00:55,819 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:00:55,820 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 06:00:55,860 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:00:55,969 INFO L232 lantSequenceWeakener]: Weakened 108 states. On average, predicates are now at 73.05% of their original sizes. [2018-09-19 06:00:55,970 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:00:56,604 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:00:56,605 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:00:56,605 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:00:56,605 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:00:56,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:00:56,606 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:00:56,608 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:00:56,608 INFO L87 Difference]: Start difference. First operand 505 states and 669 transitions. Second operand 10 states. [2018-09-19 06:00:59,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:00:59,632 INFO L93 Difference]: Finished difference Result 1149 states and 1736 transitions. [2018-09-19 06:00:59,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:00:59,634 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 111 [2018-09-19 06:00:59,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:00:59,640 INFO L225 Difference]: With dead ends: 1149 [2018-09-19 06:00:59,640 INFO L226 Difference]: Without dead ends: 794 [2018-09-19 06:00:59,642 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 118 GetRequests, 102 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 06:00:59,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2018-09-19 06:00:59,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 783. [2018-09-19 06:00:59,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 783 states. [2018-09-19 06:00:59,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 1001 transitions. [2018-09-19 06:00:59,680 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 1001 transitions. Word has length 111 [2018-09-19 06:00:59,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:00:59,681 INFO L480 AbstractCegarLoop]: Abstraction has 783 states and 1001 transitions. [2018-09-19 06:00:59,681 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:00:59,681 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1001 transitions. [2018-09-19 06:00:59,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-09-19 06:00:59,688 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:00:59,689 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:00:59,689 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:00:59,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1611542820, now seen corresponding path program 1 times [2018-09-19 06:00:59,690 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:00:59,690 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 148 with the following transitions: [2018-09-19 06:00:59,690 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [149], [151], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:00:59,696 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:00:59,696 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:00:59,785 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:00:59,974 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:00:59,975 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 06:01:00,015 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:01:00,153 INFO L232 lantSequenceWeakener]: Weakened 144 states. On average, predicates are now at 72.97% of their original sizes. [2018-09-19 06:01:00,153 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:01:00,695 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:01:00,696 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:01:00,696 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:01:00,696 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:01:00,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:01:00,697 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:01:00,698 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:01:00,698 INFO L87 Difference]: Start difference. First operand 783 states and 1001 transitions. Second operand 10 states. [2018-09-19 06:01:04,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:01:04,146 INFO L93 Difference]: Finished difference Result 1723 states and 2332 transitions. [2018-09-19 06:01:04,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-19 06:01:04,147 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 147 [2018-09-19 06:01:04,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:01:04,155 INFO L225 Difference]: With dead ends: 1723 [2018-09-19 06:01:04,155 INFO L226 Difference]: Without dead ends: 1090 [2018-09-19 06:01:04,158 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 153 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-09-19 06:01:04,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1090 states. [2018-09-19 06:01:04,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1090 to 1081. [2018-09-19 06:01:04,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1081 states. [2018-09-19 06:01:04,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 1351 transitions. [2018-09-19 06:01:04,205 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 1351 transitions. Word has length 147 [2018-09-19 06:01:04,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:01:04,206 INFO L480 AbstractCegarLoop]: Abstraction has 1081 states and 1351 transitions. [2018-09-19 06:01:04,206 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:01:04,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1351 transitions. [2018-09-19 06:01:04,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-09-19 06:01:04,213 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:01:04,214 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:01:04,214 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:01:04,214 INFO L82 PathProgramCache]: Analyzing trace with hash -1713093917, now seen corresponding path program 1 times [2018-09-19 06:01:04,215 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:01:04,215 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 167 with the following transitions: [2018-09-19 06:01:04,216 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [149], [151], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [754], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:01:04,223 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:01:04,228 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:01:04,478 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:01:04,478 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 06:01:04,515 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:01:04,683 INFO L232 lantSequenceWeakener]: Weakened 163 states. On average, predicates are now at 72.94% of their original sizes. [2018-09-19 06:01:04,684 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:01:04,958 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:01:04,959 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:01:04,959 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:01:04,959 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:01:04,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:01:04,960 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:01:04,960 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:01:04,960 INFO L87 Difference]: Start difference. First operand 1081 states and 1351 transitions. Second operand 10 states. [2018-09-19 06:01:06,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:01:06,643 INFO L93 Difference]: Finished difference Result 2464 states and 3201 transitions. [2018-09-19 06:01:06,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-19 06:01:06,645 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 166 [2018-09-19 06:01:06,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:01:06,653 INFO L225 Difference]: With dead ends: 2464 [2018-09-19 06:01:06,653 INFO L226 Difference]: Without dead ends: 1533 [2018-09-19 06:01:06,656 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 172 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-09-19 06:01:06,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2018-09-19 06:01:06,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1521. [2018-09-19 06:01:06,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1521 states. [2018-09-19 06:01:06,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 1842 transitions. [2018-09-19 06:01:06,707 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 1842 transitions. Word has length 166 [2018-09-19 06:01:06,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:01:06,707 INFO L480 AbstractCegarLoop]: Abstraction has 1521 states and 1842 transitions. [2018-09-19 06:01:06,708 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:01:06,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 1842 transitions. [2018-09-19 06:01:06,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-09-19 06:01:06,711 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:01:06,711 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 06:01:06,711 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:01:06,712 INFO L82 PathProgramCache]: Analyzing trace with hash -1151580506, now seen corresponding path program 1 times [2018-09-19 06:01:06,712 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:01:06,712 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 179 with the following transitions: [2018-09-19 06:01:06,714 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [149], [151], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [518], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:01:06,719 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:01:06,719 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:01:06,752 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:01:06,822 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:01:06,822 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 06:01:06,849 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:01:06,954 INFO L232 lantSequenceWeakener]: Weakened 175 states. On average, predicates are now at 72.98% of their original sizes. [2018-09-19 06:01:06,954 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:01:07,055 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:01:07,056 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:01:07,056 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:01:07,056 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:01:07,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:01:07,057 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:01:07,057 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:01:07,057 INFO L87 Difference]: Start difference. First operand 1521 states and 1842 transitions. Second operand 10 states. [2018-09-19 06:01:09,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:01:09,745 INFO L93 Difference]: Finished difference Result 3061 states and 3845 transitions. [2018-09-19 06:01:09,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:01:09,746 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 178 [2018-09-19 06:01:09,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:01:09,759 INFO L225 Difference]: With dead ends: 3061 [2018-09-19 06:01:09,759 INFO L226 Difference]: Without dead ends: 1690 [2018-09-19 06:01:09,763 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 185 GetRequests, 169 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 06:01:09,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2018-09-19 06:01:09,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1672. [2018-09-19 06:01:09,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1672 states. [2018-09-19 06:01:09,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2020 transitions. [2018-09-19 06:01:09,825 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2020 transitions. Word has length 178 [2018-09-19 06:01:09,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:01:09,826 INFO L480 AbstractCegarLoop]: Abstraction has 1672 states and 2020 transitions. [2018-09-19 06:01:09,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:01:09,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2020 transitions. [2018-09-19 06:01:09,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-09-19 06:01:09,829 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:01:09,829 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 06:01:09,829 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:01:09,829 INFO L82 PathProgramCache]: Analyzing trace with hash -1448109174, now seen corresponding path program 1 times [2018-09-19 06:01:09,830 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:01:09,830 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 181 with the following transitions: [2018-09-19 06:01:09,830 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [149], [151], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [526], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:01:09,832 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:01:09,832 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:01:09,860 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:01:09,965 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:01:09,965 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 06:01:10,003 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:01:10,151 INFO L232 lantSequenceWeakener]: Weakened 177 states. On average, predicates are now at 72.98% of their original sizes. [2018-09-19 06:01:10,151 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:01:10,423 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:01:10,424 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:01:10,424 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:01:10,424 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:01:10,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:01:10,425 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:01:10,425 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:01:10,425 INFO L87 Difference]: Start difference. First operand 1672 states and 2020 transitions. Second operand 10 states. [2018-09-19 06:01:13,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:01:13,102 INFO L93 Difference]: Finished difference Result 3362 states and 4211 transitions. [2018-09-19 06:01:13,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:01:13,105 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 180 [2018-09-19 06:01:13,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:01:13,112 INFO L225 Difference]: With dead ends: 3362 [2018-09-19 06:01:13,113 INFO L226 Difference]: Without dead ends: 1840 [2018-09-19 06:01:13,117 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 187 GetRequests, 171 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 06:01:13,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1840 states. [2018-09-19 06:01:13,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1840 to 1823. [2018-09-19 06:01:13,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1823 states. [2018-09-19 06:01:13,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1823 states to 1823 states and 2218 transitions. [2018-09-19 06:01:13,165 INFO L78 Accepts]: Start accepts. Automaton has 1823 states and 2218 transitions. Word has length 180 [2018-09-19 06:01:13,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:01:13,166 INFO L480 AbstractCegarLoop]: Abstraction has 1823 states and 2218 transitions. [2018-09-19 06:01:13,166 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:01:13,166 INFO L276 IsEmpty]: Start isEmpty. Operand 1823 states and 2218 transitions. [2018-09-19 06:01:13,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-09-19 06:01:13,169 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:01:13,169 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 06:01:13,169 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:01:13,170 INFO L82 PathProgramCache]: Analyzing trace with hash 304663890, now seen corresponding path program 1 times [2018-09-19 06:01:13,170 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:01:13,170 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 185 with the following transitions: [2018-09-19 06:01:13,170 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [149], [151], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [542], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:01:13,172 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:01:13,172 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:01:13,199 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:01:13,289 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:01:13,289 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 06:01:13,323 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:01:13,437 INFO L232 lantSequenceWeakener]: Weakened 181 states. On average, predicates are now at 72.97% of their original sizes. [2018-09-19 06:01:13,438 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:01:13,751 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:01:13,751 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:01:13,751 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:01:13,751 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:01:13,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:01:13,752 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:01:13,752 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:01:13,752 INFO L87 Difference]: Start difference. First operand 1823 states and 2218 transitions. Second operand 10 states. [2018-09-19 06:01:15,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:01:15,591 INFO L93 Difference]: Finished difference Result 3819 states and 4796 transitions. [2018-09-19 06:01:15,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:01:15,592 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 184 [2018-09-19 06:01:15,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:01:15,601 INFO L225 Difference]: With dead ends: 3819 [2018-09-19 06:01:15,601 INFO L226 Difference]: Without dead ends: 2146 [2018-09-19 06:01:15,606 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 191 GetRequests, 175 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 06:01:15,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2146 states. [2018-09-19 06:01:15,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2146 to 2123. [2018-09-19 06:01:15,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2123 states. [2018-09-19 06:01:15,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 2123 states and 2596 transitions. [2018-09-19 06:01:15,657 INFO L78 Accepts]: Start accepts. Automaton has 2123 states and 2596 transitions. Word has length 184 [2018-09-19 06:01:15,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:01:15,657 INFO L480 AbstractCegarLoop]: Abstraction has 2123 states and 2596 transitions. [2018-09-19 06:01:15,657 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:01:15,658 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 2596 transitions. [2018-09-19 06:01:15,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-09-19 06:01:15,661 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:01:15,661 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 06:01:15,661 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:01:15,662 INFO L82 PathProgramCache]: Analyzing trace with hash -1928262692, now seen corresponding path program 1 times [2018-09-19 06:01:15,662 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:01:15,662 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 185 with the following transitions: [2018-09-19 06:01:15,662 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [149], [151], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [534], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:01:15,664 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:01:15,664 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:01:15,696 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:01:15,770 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:01:15,770 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 06:01:15,780 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:01:15,900 INFO L232 lantSequenceWeakener]: Weakened 181 states. On average, predicates are now at 72.97% of their original sizes. [2018-09-19 06:01:15,900 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:01:16,075 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:01:16,076 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:01:16,076 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:01:16,076 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:01:16,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:01:16,077 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:01:16,077 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:01:16,077 INFO L87 Difference]: Start difference. First operand 2123 states and 2596 transitions. Second operand 10 states. [2018-09-19 06:01:19,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:01:19,933 INFO L93 Difference]: Finished difference Result 4418 states and 5553 transitions. [2018-09-19 06:01:19,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:01:19,934 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 184 [2018-09-19 06:01:19,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:01:19,943 INFO L225 Difference]: With dead ends: 4418 [2018-09-19 06:01:19,944 INFO L226 Difference]: Without dead ends: 2445 [2018-09-19 06:01:19,948 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 191 GetRequests, 175 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 06:01:19,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2445 states. [2018-09-19 06:01:19,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2445 to 2411. [2018-09-19 06:01:19,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2411 states. [2018-09-19 06:01:20,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2411 states to 2411 states and 2974 transitions. [2018-09-19 06:01:20,003 INFO L78 Accepts]: Start accepts. Automaton has 2411 states and 2974 transitions. Word has length 184 [2018-09-19 06:01:20,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:01:20,005 INFO L480 AbstractCegarLoop]: Abstraction has 2411 states and 2974 transitions. [2018-09-19 06:01:20,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:01:20,006 INFO L276 IsEmpty]: Start isEmpty. Operand 2411 states and 2974 transitions. [2018-09-19 06:01:20,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-09-19 06:01:20,009 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:01:20,010 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 06:01:20,010 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:01:20,010 INFO L82 PathProgramCache]: Analyzing trace with hash 1591929854, now seen corresponding path program 1 times [2018-09-19 06:01:20,010 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:01:20,010 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 191 with the following transitions: [2018-09-19 06:01:20,011 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [149], [151], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [566], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:01:20,013 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:01:20,013 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:01:20,039 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:01:22,619 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:01:22,620 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 06:01:22,628 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:01:23,176 INFO L232 lantSequenceWeakener]: Weakened 187 states. On average, predicates are now at 72.96% of their original sizes. [2018-09-19 06:01:23,176 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:01:23,284 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:01:23,285 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:01:23,285 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:01:23,285 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:01:23,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:01:23,286 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:01:23,286 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:01:23,286 INFO L87 Difference]: Start difference. First operand 2411 states and 2974 transitions. Second operand 10 states. [2018-09-19 06:01:25,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:01:25,831 INFO L93 Difference]: Finished difference Result 4850 states and 6141 transitions. [2018-09-19 06:01:25,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:01:25,831 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 190 [2018-09-19 06:01:25,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:01:25,841 INFO L225 Difference]: With dead ends: 4850 [2018-09-19 06:01:25,841 INFO L226 Difference]: Without dead ends: 2589 [2018-09-19 06:01:25,847 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 197 GetRequests, 181 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 06:01:25,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2589 states. [2018-09-19 06:01:25,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2589 to 2566. [2018-09-19 06:01:25,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2566 states. [2018-09-19 06:01:25,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2566 states to 2566 states and 3192 transitions. [2018-09-19 06:01:25,901 INFO L78 Accepts]: Start accepts. Automaton has 2566 states and 3192 transitions. Word has length 190 [2018-09-19 06:01:25,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:01:25,901 INFO L480 AbstractCegarLoop]: Abstraction has 2566 states and 3192 transitions. [2018-09-19 06:01:25,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:01:25,901 INFO L276 IsEmpty]: Start isEmpty. Operand 2566 states and 3192 transitions. [2018-09-19 06:01:25,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-09-19 06:01:25,905 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:01:25,905 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 06:01:25,906 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:01:25,906 INFO L82 PathProgramCache]: Analyzing trace with hash -1921769179, now seen corresponding path program 1 times [2018-09-19 06:01:25,906 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:01:25,906 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 200 with the following transitions: [2018-09-19 06:01:25,907 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [149], [151], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [602], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:01:25,909 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:01:25,909 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:01:25,935 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:01:26,556 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:01:26,556 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 06:01:26,582 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:01:26,822 INFO L232 lantSequenceWeakener]: Weakened 196 states. On average, predicates are now at 72.95% of their original sizes. [2018-09-19 06:01:26,823 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:01:26,955 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:01:26,955 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:01:26,955 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:01:26,955 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:01:26,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:01:26,956 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:01:26,956 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:01:26,956 INFO L87 Difference]: Start difference. First operand 2566 states and 3192 transitions. Second operand 10 states. [2018-09-19 06:01:28,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:01:28,680 INFO L93 Difference]: Finished difference Result 5163 states and 6584 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 06:01:28,687 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 199 [2018-09-19 06:01:28,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:01:28,697 INFO L225 Difference]: With dead ends: 5163 [2018-09-19 06:01:28,697 INFO L226 Difference]: Without dead ends: 2747 [2018-09-19 06:01:28,703 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 206 GetRequests, 190 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 06:01:28,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2747 states. [2018-09-19 06:01:28,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2747 to 2721. [2018-09-19 06:01:28,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2721 states. [2018-09-19 06:01:28,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2721 states to 2721 states and 3412 transitions. [2018-09-19 06:01:28,756 INFO L78 Accepts]: Start accepts. Automaton has 2721 states and 3412 transitions. Word has length 199 [2018-09-19 06:01:28,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:01:28,757 INFO L480 AbstractCegarLoop]: Abstraction has 2721 states and 3412 transitions. [2018-09-19 06:01:28,757 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:01:28,757 INFO L276 IsEmpty]: Start isEmpty. Operand 2721 states and 3412 transitions. [2018-09-19 06:01:28,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-09-19 06:01:28,761 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:01:28,762 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 06:01:28,762 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:01:28,762 INFO L82 PathProgramCache]: Analyzing trace with hash -1342665711, now seen corresponding path program 1 times [2018-09-19 06:01:28,762 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:01:28,762 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 206 with the following transitions: [2018-09-19 06:01:28,763 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [149], [151], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [626], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:01:28,765 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:01:28,765 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:01:28,790 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:01:28,941 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:01:28,941 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 06:01:28,948 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:01:29,054 INFO L232 lantSequenceWeakener]: Weakened 202 states. On average, predicates are now at 72.95% of their original sizes. [2018-09-19 06:01:29,054 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:01:29,142 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:01:29,143 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:01:29,143 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:01:29,143 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:01:29,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:01:29,144 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:01:29,144 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:01:29,144 INFO L87 Difference]: Start difference. First operand 2721 states and 3412 transitions. Second operand 10 states. [2018-09-19 06:01:32,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:01:32,342 INFO L93 Difference]: Finished difference Result 5472 states and 7022 transitions. [2018-09-19 06:01:32,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:01:32,343 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 205 [2018-09-19 06:01:32,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:01:32,353 INFO L225 Difference]: With dead ends: 5472 [2018-09-19 06:01:32,353 INFO L226 Difference]: Without dead ends: 2901 [2018-09-19 06:01:32,360 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 212 GetRequests, 196 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 06:01:32,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2901 states. [2018-09-19 06:01:32,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2901 to 2876. [2018-09-19 06:01:32,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2876 states. [2018-09-19 06:01:32,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2876 states to 2876 states and 3624 transitions. [2018-09-19 06:01:32,438 INFO L78 Accepts]: Start accepts. Automaton has 2876 states and 3624 transitions. Word has length 205 [2018-09-19 06:01:32,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:01:32,439 INFO L480 AbstractCegarLoop]: Abstraction has 2876 states and 3624 transitions. [2018-09-19 06:01:32,439 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:01:32,439 INFO L276 IsEmpty]: Start isEmpty. Operand 2876 states and 3624 transitions. [2018-09-19 06:01:32,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-09-19 06:01:32,445 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:01:32,445 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 06:01:32,446 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:01:32,446 INFO L82 PathProgramCache]: Analyzing trace with hash -654857782, now seen corresponding path program 1 times [2018-09-19 06:01:32,446 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:01:32,446 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 213 with the following transitions: [2018-09-19 06:01:32,447 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [149], [151], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:01:32,449 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:01:32,450 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:01:32,487 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:01:32,745 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:01:32,746 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 06:01:32,783 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:01:32,916 INFO L232 lantSequenceWeakener]: Weakened 209 states. On average, predicates are now at 72.94% of their original sizes. [2018-09-19 06:01:32,916 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:01:33,308 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:01:33,308 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:01:33,308 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:01:33,309 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:01:33,309 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:01:33,309 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:01:33,309 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:01:33,310 INFO L87 Difference]: Start difference. First operand 2876 states and 3624 transitions. Second operand 10 states. [2018-09-19 06:01:35,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:01:35,359 INFO L93 Difference]: Finished difference Result 5959 states and 7691 transitions. [2018-09-19 06:01:35,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:01:35,360 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 212 [2018-09-19 06:01:35,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:01:35,373 INFO L225 Difference]: With dead ends: 5959 [2018-09-19 06:01:35,373 INFO L226 Difference]: Without dead ends: 3233 [2018-09-19 06:01:35,379 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 219 GetRequests, 203 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 06:01:35,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3233 states. [2018-09-19 06:01:35,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3233 to 3184. [2018-09-19 06:01:35,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3184 states. [2018-09-19 06:01:35,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3184 states to 3184 states and 4030 transitions. [2018-09-19 06:01:35,450 INFO L78 Accepts]: Start accepts. Automaton has 3184 states and 4030 transitions. Word has length 212 [2018-09-19 06:01:35,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:01:35,451 INFO L480 AbstractCegarLoop]: Abstraction has 3184 states and 4030 transitions. [2018-09-19 06:01:35,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:01:35,451 INFO L276 IsEmpty]: Start isEmpty. Operand 3184 states and 4030 transitions. [2018-09-19 06:01:35,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-09-19 06:01:35,456 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:01:35,457 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 06:01:35,457 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:01:35,457 INFO L82 PathProgramCache]: Analyzing trace with hash -401062956, now seen corresponding path program 1 times [2018-09-19 06:01:35,457 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:01:35,458 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 221 with the following transitions: [2018-09-19 06:01:35,458 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [149], [151], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:01:35,460 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:01:35,461 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:01:35,520 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:01:35,706 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:01:35,706 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 06:01:35,742 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:01:35,884 INFO L232 lantSequenceWeakener]: Weakened 217 states. On average, predicates are now at 72.93% of their original sizes. [2018-09-19 06:01:35,885 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:01:36,288 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:01:36,288 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:01:36,288 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:01:36,289 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:01:36,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:01:36,289 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:01:36,289 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:01:36,290 INFO L87 Difference]: Start difference. First operand 3184 states and 4030 transitions. Second operand 10 states. [2018-09-19 06:01:41,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:01:41,054 INFO L93 Difference]: Finished difference Result 6547 states and 8487 transitions. [2018-09-19 06:01:41,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:01:41,055 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 220 [2018-09-19 06:01:41,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:01:41,068 INFO L225 Difference]: With dead ends: 6547 [2018-09-19 06:01:41,069 INFO L226 Difference]: Without dead ends: 3513 [2018-09-19 06:01:41,075 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 227 GetRequests, 211 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 06:01:41,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3513 states. [2018-09-19 06:01:41,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3513 to 3486. [2018-09-19 06:01:41,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3486 states. [2018-09-19 06:01:41,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3486 states to 3486 states and 4452 transitions. [2018-09-19 06:01:41,146 INFO L78 Accepts]: Start accepts. Automaton has 3486 states and 4452 transitions. Word has length 220 [2018-09-19 06:01:41,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:01:41,146 INFO L480 AbstractCegarLoop]: Abstraction has 3486 states and 4452 transitions. [2018-09-19 06:01:41,147 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:01:41,147 INFO L276 IsEmpty]: Start isEmpty. Operand 3486 states and 4452 transitions. [2018-09-19 06:01:41,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-09-19 06:01:41,152 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:01:41,152 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 06:01:41,153 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:01:41,153 INFO L82 PathProgramCache]: Analyzing trace with hash -753508574, now seen corresponding path program 1 times [2018-09-19 06:01:41,153 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:01:41,153 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 225 with the following transitions: [2018-09-19 06:01:41,154 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [149], [151], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [702], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:01:41,156 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:01:41,156 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:01:41,181 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:01:41,376 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:01:41,376 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 06:01:41,383 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:01:41,508 INFO L232 lantSequenceWeakener]: Weakened 221 states. On average, predicates are now at 72.93% of their original sizes. [2018-09-19 06:01:41,508 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:01:41,671 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:01:41,671 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:01:41,672 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:01:41,672 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:01:41,672 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:01:41,672 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:01:41,672 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:01:41,673 INFO L87 Difference]: Start difference. First operand 3486 states and 4452 transitions. Second operand 10 states. [2018-09-19 06:01:43,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:01:43,607 INFO L93 Difference]: Finished difference Result 7025 states and 9137 transitions. [2018-09-19 06:01:43,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:01:43,608 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 224 [2018-09-19 06:01:43,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:01:43,620 INFO L225 Difference]: With dead ends: 7025 [2018-09-19 06:01:43,621 INFO L226 Difference]: Without dead ends: 3689 [2018-09-19 06:01:43,628 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 06:01:43,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3689 states. [2018-09-19 06:01:43,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3689 to 3649. [2018-09-19 06:01:43,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3649 states. [2018-09-19 06:01:43,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3649 states to 3649 states and 4696 transitions. [2018-09-19 06:01:43,696 INFO L78 Accepts]: Start accepts. Automaton has 3649 states and 4696 transitions. Word has length 224 [2018-09-19 06:01:43,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:01:43,697 INFO L480 AbstractCegarLoop]: Abstraction has 3649 states and 4696 transitions. [2018-09-19 06:01:43,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:01:43,697 INFO L276 IsEmpty]: Start isEmpty. Operand 3649 states and 4696 transitions. [2018-09-19 06:01:43,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-09-19 06:01:43,704 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:01:43,704 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 06:01:43,705 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:01:43,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1297709557, now seen corresponding path program 1 times [2018-09-19 06:01:43,705 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:01:43,705 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 240 with the following transitions: [2018-09-19 06:01:43,706 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [149], [151], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:01:43,708 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:01:43,708 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:01:43,732 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:01:43,934 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:01:43,934 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 06:01:43,968 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:01:44,126 INFO L232 lantSequenceWeakener]: Weakened 236 states. On average, predicates are now at 72.92% of their original sizes. [2018-09-19 06:01:44,126 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:01:44,518 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:01:44,518 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:01:44,519 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:01:44,519 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:01:44,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:01:44,519 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:01:44,520 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:01:44,520 INFO L87 Difference]: Start difference. First operand 3649 states and 4696 transitions. Second operand 10 states. [2018-09-19 06:01:46,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:01:46,699 INFO L93 Difference]: Finished difference Result 7322 states and 9594 transitions. [2018-09-19 06:01:46,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:01:46,701 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 239 [2018-09-19 06:01:46,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:01:46,720 INFO L225 Difference]: With dead ends: 7322 [2018-09-19 06:01:46,721 INFO L226 Difference]: Without dead ends: 3823 [2018-09-19 06:01:46,728 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 246 GetRequests, 230 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 06:01:46,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3823 states. [2018-09-19 06:01:46,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3823 to 3806. [2018-09-19 06:01:46,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3806 states. [2018-09-19 06:01:46,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3806 states to 3806 states and 4906 transitions. [2018-09-19 06:01:46,800 INFO L78 Accepts]: Start accepts. Automaton has 3806 states and 4906 transitions. Word has length 239 [2018-09-19 06:01:46,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:01:46,801 INFO L480 AbstractCegarLoop]: Abstraction has 3806 states and 4906 transitions. [2018-09-19 06:01:46,801 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:01:46,801 INFO L276 IsEmpty]: Start isEmpty. Operand 3806 states and 4906 transitions. [2018-09-19 06:01:46,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-09-19 06:01:46,809 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:01:46,809 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 06:01:46,809 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:01:46,811 INFO L82 PathProgramCache]: Analyzing trace with hash 1852428803, now seen corresponding path program 1 times [2018-09-19 06:01:46,811 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:01:46,811 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 254 with the following transitions: [2018-09-19 06:01:46,811 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [149], [151], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [782], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:01:46,815 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:01:46,815 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:01:46,846 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:01:47,106 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:01:47,106 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 06:01:47,143 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:01:47,324 INFO L232 lantSequenceWeakener]: Weakened 250 states. On average, predicates are now at 72.91% of their original sizes. [2018-09-19 06:01:47,325 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:01:47,461 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:01:47,461 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:01:47,461 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:01:47,461 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:01:47,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:01:47,462 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:01:47,462 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:01:47,463 INFO L87 Difference]: Start difference. First operand 3806 states and 4906 transitions. Second operand 10 states. [2018-09-19 06:01:52,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:01:52,213 INFO L93 Difference]: Finished difference Result 8367 states and 11098 transitions. [2018-09-19 06:01:52,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:01:52,221 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 253 [2018-09-19 06:01:52,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:01:52,235 INFO L225 Difference]: With dead ends: 8367 [2018-09-19 06:01:52,235 INFO L226 Difference]: Without dead ends: 4711 [2018-09-19 06:01:52,243 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 260 GetRequests, 244 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 06:01:52,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4711 states. [2018-09-19 06:01:52,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4711 to 4649. [2018-09-19 06:01:52,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4649 states. [2018-09-19 06:01:52,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4649 states to 4649 states and 6018 transitions. [2018-09-19 06:01:52,345 INFO L78 Accepts]: Start accepts. Automaton has 4649 states and 6018 transitions. Word has length 253 [2018-09-19 06:01:52,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:01:52,345 INFO L480 AbstractCegarLoop]: Abstraction has 4649 states and 6018 transitions. [2018-09-19 06:01:52,346 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:01:52,346 INFO L276 IsEmpty]: Start isEmpty. Operand 4649 states and 6018 transitions. [2018-09-19 06:01:52,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-09-19 06:01:52,356 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:01:52,357 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 06:01:52,357 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:01:52,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1044443582, now seen corresponding path program 1 times [2018-09-19 06:01:52,358 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:01:52,358 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 262 with the following transitions: [2018-09-19 06:01:52,358 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [149], [151], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [526], [527], [531], [535], [538], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:01:52,360 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:01:52,360 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:01:52,394 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:01:52,691 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:01:52,692 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 06:01:52,730 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:01:52,915 INFO L232 lantSequenceWeakener]: Weakened 258 states. On average, predicates are now at 72.94% of their original sizes. [2018-09-19 06:01:52,916 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:01:53,246 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:01:53,246 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:01:53,246 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:01:53,246 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:01:53,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:01:53,247 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:01:53,247 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:01:53,247 INFO L87 Difference]: Start difference. First operand 4649 states and 6018 transitions. Second operand 10 states. [2018-09-19 06:01:55,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:01:55,509 INFO L93 Difference]: Finished difference Result 9531 states and 12530 transitions. [2018-09-19 06:01:55,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:01:55,511 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 261 [2018-09-19 06:01:55,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:01:55,525 INFO L225 Difference]: With dead ends: 9531 [2018-09-19 06:01:55,525 INFO L226 Difference]: Without dead ends: 5032 [2018-09-19 06:01:55,534 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 268 GetRequests, 252 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 06:01:55,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5032 states. [2018-09-19 06:01:55,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5032 to 4977. [2018-09-19 06:01:55,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4977 states. [2018-09-19 06:01:55,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4977 states to 4977 states and 6473 transitions. [2018-09-19 06:01:55,617 INFO L78 Accepts]: Start accepts. Automaton has 4977 states and 6473 transitions. Word has length 261 [2018-09-19 06:01:55,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:01:55,618 INFO L480 AbstractCegarLoop]: Abstraction has 4977 states and 6473 transitions. [2018-09-19 06:01:55,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:01:55,618 INFO L276 IsEmpty]: Start isEmpty. Operand 4977 states and 6473 transitions. [2018-09-19 06:01:55,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-09-19 06:01:55,628 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:01:55,628 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 06:01:55,628 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:01:55,629 INFO L82 PathProgramCache]: Analyzing trace with hash 68532982, now seen corresponding path program 1 times [2018-09-19 06:01:55,629 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:01:55,629 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 278 with the following transitions: [2018-09-19 06:01:55,629 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [149], [151], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [566], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:01:55,631 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:01:55,631 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:01:55,654 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:02:00,050 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:02:00,050 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 06:02:00,055 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:02:01,475 INFO L232 lantSequenceWeakener]: Weakened 274 states. On average, predicates are now at 72.92% of their original sizes. [2018-09-19 06:02:01,475 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:02:01,549 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:02:01,549 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:02:01,549 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:02:01,549 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:02:01,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:02:01,550 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:02:01,550 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:02:01,550 INFO L87 Difference]: Start difference. First operand 4977 states and 6473 transitions. Second operand 10 states. [2018-09-19 06:02:03,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:02:03,685 INFO L93 Difference]: Finished difference Result 10225 states and 13506 transitions. [2018-09-19 06:02:03,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-19 06:02:03,689 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 277 [2018-09-19 06:02:03,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:02:03,711 INFO L225 Difference]: With dead ends: 10225 [2018-09-19 06:02:03,711 INFO L226 Difference]: Without dead ends: 5398 [2018-09-19 06:02:03,721 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 284 GetRequests, 268 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 06:02:03,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5398 states. [2018-09-19 06:02:03,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5398 to 5325. [2018-09-19 06:02:03,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5325 states. [2018-09-19 06:02:03,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5325 states to 5325 states and 6951 transitions. [2018-09-19 06:02:03,814 INFO L78 Accepts]: Start accepts. Automaton has 5325 states and 6951 transitions. Word has length 277 [2018-09-19 06:02:03,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:02:03,815 INFO L480 AbstractCegarLoop]: Abstraction has 5325 states and 6951 transitions. [2018-09-19 06:02:03,815 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:02:03,815 INFO L276 IsEmpty]: Start isEmpty. Operand 5325 states and 6951 transitions. [2018-09-19 06:02:03,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-09-19 06:02:03,826 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:02:03,826 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 06:02:03,826 INFO L423 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:02:03,826 INFO L82 PathProgramCache]: Analyzing trace with hash -890728894, now seen corresponding path program 1 times [2018-09-19 06:02:03,826 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:02:03,827 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 280 with the following transitions: [2018-09-19 06:02:03,827 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [149], [151], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [526], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [610], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:02:03,829 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:02:03,829 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:02:03,855 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:02:04,036 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:02:04,037 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 06:02:04,063 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:02:04,245 INFO L232 lantSequenceWeakener]: Weakened 276 states. On average, predicates are now at 72.92% of their original sizes. [2018-09-19 06:02:04,245 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:02:04,369 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:02:04,369 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:02:04,370 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:02:04,370 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:02:04,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:02:04,370 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:02:04,370 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:02:04,371 INFO L87 Difference]: Start difference. First operand 5325 states and 6951 transitions. Second operand 10 states. [2018-09-19 06:02:07,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:02:07,961 INFO L93 Difference]: Finished difference Result 12495 states and 16698 transitions. [2018-09-19 06:02:07,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:02:07,971 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 279 [2018-09-19 06:02:07,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:02:07,996 INFO L225 Difference]: With dead ends: 12495 [2018-09-19 06:02:07,996 INFO L226 Difference]: Without dead ends: 7320 [2018-09-19 06:02:08,008 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 286 GetRequests, 270 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 06:02:08,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7320 states. [2018-09-19 06:02:08,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7320 to 7265. [2018-09-19 06:02:08,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7265 states. [2018-09-19 06:02:08,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7265 states to 7265 states and 9556 transitions. [2018-09-19 06:02:08,135 INFO L78 Accepts]: Start accepts. Automaton has 7265 states and 9556 transitions. Word has length 279 [2018-09-19 06:02:08,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:02:08,136 INFO L480 AbstractCegarLoop]: Abstraction has 7265 states and 9556 transitions. [2018-09-19 06:02:08,136 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:02:08,136 INFO L276 IsEmpty]: Start isEmpty. Operand 7265 states and 9556 transitions. [2018-09-19 06:02:08,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-09-19 06:02:08,146 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:02:08,147 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 06:02:08,147 INFO L423 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:02:08,147 INFO L82 PathProgramCache]: Analyzing trace with hash -1397032728, now seen corresponding path program 1 times [2018-09-19 06:02:08,147 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:02:08,148 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 280 with the following transitions: [2018-09-19 06:02:08,148 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [149], [151], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [534], [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 06:02:08,150 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:02:08,150 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:02:08,179 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:02:08,322 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:02:08,322 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 06:02:08,336 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:02:08,470 INFO L232 lantSequenceWeakener]: Weakened 276 states. On average, predicates are now at 72.92% of their original sizes. [2018-09-19 06:02:08,470 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:02:08,545 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:02:08,545 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:02:08,546 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:02:08,546 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:02:08,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:02:08,546 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:02:08,546 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:02:08,547 INFO L87 Difference]: Start difference. First operand 7265 states and 9556 transitions. Second operand 10 states. [2018-09-19 06:02:11,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:02:11,576 INFO L93 Difference]: Finished difference Result 16202 states and 21703 transitions. [2018-09-19 06:02:11,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:02:11,576 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 279 [2018-09-19 06:02:11,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:02:11,597 INFO L225 Difference]: With dead ends: 16202 [2018-09-19 06:02:11,597 INFO L226 Difference]: Without dead ends: 9087 [2018-09-19 06:02:11,609 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 286 GetRequests, 270 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 06:02:11,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9087 states. [2018-09-19 06:02:11,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9087 to 8821. [2018-09-19 06:02:11,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8821 states. [2018-09-19 06:02:11,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8821 states to 8821 states and 11487 transitions. [2018-09-19 06:02:11,771 INFO L78 Accepts]: Start accepts. Automaton has 8821 states and 11487 transitions. Word has length 279 [2018-09-19 06:02:11,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:02:11,772 INFO L480 AbstractCegarLoop]: Abstraction has 8821 states and 11487 transitions. [2018-09-19 06:02:11,772 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:02:11,772 INFO L276 IsEmpty]: Start isEmpty. Operand 8821 states and 11487 transitions. [2018-09-19 06:02:11,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-09-19 06:02:11,782 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:02:11,783 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 06:02:11,783 INFO L423 AbstractCegarLoop]: === Iteration 22 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:02:11,783 INFO L82 PathProgramCache]: Analyzing trace with hash -438135541, now seen corresponding path program 1 times [2018-09-19 06:02:11,783 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:02:11,784 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 290 with the following transitions: [2018-09-19 06:02:11,784 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [149], [151], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [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 06:02:11,786 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:02:11,787 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:02:11,837 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:02:12,015 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:02:12,016 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 06:02:12,036 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:02:12,218 INFO L232 lantSequenceWeakener]: Weakened 286 states. On average, predicates are now at 72.88% of their original sizes. [2018-09-19 06:02:12,218 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:02:12,315 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:02:12,316 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:02:12,316 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:02:12,316 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:02:12,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:02:12,316 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:02:12,316 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:02:12,317 INFO L87 Difference]: Start difference. First operand 8821 states and 11487 transitions. Second operand 10 states. [2018-09-19 06:02:17,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:02:17,209 INFO L93 Difference]: Finished difference Result 18387 states and 24076 transitions. [2018-09-19 06:02:17,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:02:17,212 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 289 [2018-09-19 06:02:17,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:02:17,237 INFO L225 Difference]: With dead ends: 18387 [2018-09-19 06:02:17,238 INFO L226 Difference]: Without dead ends: 9716 [2018-09-19 06:02:17,251 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 06:02:17,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9716 states. [2018-09-19 06:02:17,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9716 to 9552. [2018-09-19 06:02:17,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9552 states. [2018-09-19 06:02:17,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9552 states to 9552 states and 12465 transitions. [2018-09-19 06:02:17,426 INFO L78 Accepts]: Start accepts. Automaton has 9552 states and 12465 transitions. Word has length 289 [2018-09-19 06:02:17,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:02:17,426 INFO L480 AbstractCegarLoop]: Abstraction has 9552 states and 12465 transitions. [2018-09-19 06:02:17,426 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:02:17,427 INFO L276 IsEmpty]: Start isEmpty. Operand 9552 states and 12465 transitions. [2018-09-19 06:02:17,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-09-19 06:02:17,436 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:02:17,437 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 06:02:17,437 INFO L423 AbstractCegarLoop]: === Iteration 23 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:02:17,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1242438762, now seen corresponding path program 1 times [2018-09-19 06:02:17,437 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:02:17,438 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 298 with the following transitions: [2018-09-19 06:02:17,438 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [149], [151], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [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 06:02:17,441 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:02:17,441 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:02:17,465 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:02:17,755 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:02:17,755 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 06:02:17,760 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:02:18,086 INFO L232 lantSequenceWeakener]: Weakened 294 states. On average, predicates are now at 72.91% of their original sizes. [2018-09-19 06:02:18,086 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:02:18,176 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:02:18,177 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:02:18,177 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:02:18,177 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:02:18,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:02:18,177 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:02:18,177 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:02:18,178 INFO L87 Difference]: Start difference. First operand 9552 states and 12465 transitions. Second operand 10 states. [2018-09-19 06:02:21,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:02:21,148 INFO L93 Difference]: Finished difference Result 19826 states and 26220 transitions. [2018-09-19 06:02:21,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:02:21,148 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 297 [2018-09-19 06:02:21,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:02:21,168 INFO L225 Difference]: With dead ends: 19826 [2018-09-19 06:02:21,168 INFO L226 Difference]: Without dead ends: 10424 [2018-09-19 06:02:21,179 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 304 GetRequests, 288 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 06:02:21,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10424 states. [2018-09-19 06:02:21,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10424 to 10350. [2018-09-19 06:02:21,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10350 states. [2018-09-19 06:02:21,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10350 states to 10350 states and 13664 transitions. [2018-09-19 06:02:21,351 INFO L78 Accepts]: Start accepts. Automaton has 10350 states and 13664 transitions. Word has length 297 [2018-09-19 06:02:21,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:02:21,351 INFO L480 AbstractCegarLoop]: Abstraction has 10350 states and 13664 transitions. [2018-09-19 06:02:21,351 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:02:21,351 INFO L276 IsEmpty]: Start isEmpty. Operand 10350 states and 13664 transitions. [2018-09-19 06:02:21,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2018-09-19 06:02:21,362 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:02:21,362 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 06:02:21,362 INFO L423 AbstractCegarLoop]: === Iteration 24 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:02:21,362 INFO L82 PathProgramCache]: Analyzing trace with hash -1275422806, now seen corresponding path program 1 times [2018-09-19 06:02:21,363 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:02:21,363 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 300 with the following transitions: [2018-09-19 06:02:21,363 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [149], [151], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [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 06:02:21,365 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:02:21,365 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:02:21,388 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:02:21,632 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:02:21,633 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 06:02:21,670 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:02:21,855 INFO L232 lantSequenceWeakener]: Weakened 296 states. On average, predicates are now at 72.91% of their original sizes. [2018-09-19 06:02:21,856 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:02:21,936 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:02:21,936 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:02:21,936 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:02:21,936 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:02:21,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:02:21,937 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:02:21,937 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:02:21,937 INFO L87 Difference]: Start difference. First operand 10350 states and 13664 transitions. Second operand 10 states. [2018-09-19 06:02:24,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:02:24,374 INFO L93 Difference]: Finished difference Result 21036 states and 27952 transitions. [2018-09-19 06:02:24,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:02:24,374 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 299 [2018-09-19 06:02:24,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:02:24,397 INFO L225 Difference]: With dead ends: 21036 [2018-09-19 06:02:24,397 INFO L226 Difference]: Without dead ends: 10836 [2018-09-19 06:02:24,411 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 306 GetRequests, 290 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 06:02:24,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10836 states. [2018-09-19 06:02:24,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10836 to 10710. [2018-09-19 06:02:24,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10710 states. [2018-09-19 06:02:24,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10710 states to 10710 states and 14126 transitions. [2018-09-19 06:02:24,592 INFO L78 Accepts]: Start accepts. Automaton has 10710 states and 14126 transitions. Word has length 299 [2018-09-19 06:02:24,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:02:24,593 INFO L480 AbstractCegarLoop]: Abstraction has 10710 states and 14126 transitions. [2018-09-19 06:02:24,593 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:02:24,593 INFO L276 IsEmpty]: Start isEmpty. Operand 10710 states and 14126 transitions. [2018-09-19 06:02:24,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2018-09-19 06:02:24,603 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:02:24,603 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 06:02:24,604 INFO L423 AbstractCegarLoop]: === Iteration 25 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:02:24,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1332900912, now seen corresponding path program 1 times [2018-09-19 06:02:24,604 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:02:24,604 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 300 with the following transitions: [2018-09-19 06:02:24,604 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [149], [151], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [534], [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 06:02:24,607 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:02:24,607 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:02:24,642 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:02:25,013 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:02:25,013 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 06:02:25,048 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:02:25,247 INFO L232 lantSequenceWeakener]: Weakened 296 states. On average, predicates are now at 72.91% of their original sizes. [2018-09-19 06:02:25,248 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:02:25,370 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:02:25,370 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:02:25,370 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:02:25,370 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:02:25,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:02:25,371 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:02:25,371 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:02:25,371 INFO L87 Difference]: Start difference. First operand 10710 states and 14126 transitions. Second operand 10 states. [2018-09-19 06:02:28,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:02:28,012 INFO L93 Difference]: Finished difference Result 22957 states and 30637 transitions. [2018-09-19 06:02:28,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:02:28,012 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 299 [2018-09-19 06:02:28,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:02:28,038 INFO L225 Difference]: With dead ends: 22957 [2018-09-19 06:02:28,038 INFO L226 Difference]: Without dead ends: 12397 [2018-09-19 06:02:28,053 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 306 GetRequests, 290 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 06:02:28,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12397 states. [2018-09-19 06:02:28,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12397 to 12226. [2018-09-19 06:02:28,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12226 states. [2018-09-19 06:02:28,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12226 states to 12226 states and 16091 transitions. [2018-09-19 06:02:28,443 INFO L78 Accepts]: Start accepts. Automaton has 12226 states and 16091 transitions. Word has length 299 [2018-09-19 06:02:28,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:02:28,444 INFO L480 AbstractCegarLoop]: Abstraction has 12226 states and 16091 transitions. [2018-09-19 06:02:28,444 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:02:28,444 INFO L276 IsEmpty]: Start isEmpty. Operand 12226 states and 16091 transitions. [2018-09-19 06:02:28,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-09-19 06:02:28,455 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:02:28,456 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 06:02:28,456 INFO L423 AbstractCegarLoop]: === Iteration 26 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:02:28,456 INFO L82 PathProgramCache]: Analyzing trace with hash 1038041130, now seen corresponding path program 1 times [2018-09-19 06:02:28,456 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:02:28,457 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 308 with the following transitions: [2018-09-19 06:02:28,457 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [149], [151], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [542], [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 06:02:28,459 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:02:28,459 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:02:28,485 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:02:28,718 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:02:28,719 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 06:02:28,726 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:02:28,869 INFO L232 lantSequenceWeakener]: Weakened 304 states. On average, predicates are now at 72.9% of their original sizes. [2018-09-19 06:02:28,869 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:02:28,948 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:02:28,948 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:02:28,948 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:02:28,948 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:02:28,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:02:28,949 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:02:28,949 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:02:28,949 INFO L87 Difference]: Start difference. First operand 12226 states and 16091 transitions. Second operand 10 states. [2018-09-19 06:02:32,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:02:32,068 INFO L93 Difference]: Finished difference Result 27351 states and 36318 transitions. [2018-09-19 06:02:32,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-19 06:02:32,068 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 307 [2018-09-19 06:02:32,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:02:32,106 INFO L225 Difference]: With dead ends: 27351 [2018-09-19 06:02:32,106 INFO L226 Difference]: Without dead ends: 15275 [2018-09-19 06:02:32,126 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 314 GetRequests, 298 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 06:02:32,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15275 states. [2018-09-19 06:02:32,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15275 to 15041. [2018-09-19 06:02:32,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15041 states. [2018-09-19 06:02:32,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15041 states to 15041 states and 19851 transitions. [2018-09-19 06:02:32,391 INFO L78 Accepts]: Start accepts. Automaton has 15041 states and 19851 transitions. Word has length 307 [2018-09-19 06:02:32,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:02:32,392 INFO L480 AbstractCegarLoop]: Abstraction has 15041 states and 19851 transitions. [2018-09-19 06:02:32,392 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:02:32,392 INFO L276 IsEmpty]: Start isEmpty. Operand 15041 states and 19851 transitions. [2018-09-19 06:02:32,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-09-19 06:02:32,401 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:02:32,402 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 06:02:32,402 INFO L423 AbstractCegarLoop]: === Iteration 27 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:02:32,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1361027801, now seen corresponding path program 1 times [2018-09-19 06:02:32,402 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:02:32,403 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 311 with the following transitions: [2018-09-19 06:02:32,403 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [149], [151], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [566], [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 06:02:32,405 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:02:32,405 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:02:32,427 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:02:35,157 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:02:35,157 INFO L272 AbstractInterpreter]: Visited 129 different actions 633 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 06:02:35,163 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:02:35,736 INFO L232 lantSequenceWeakener]: Weakened 307 states. On average, predicates are now at 72.9% of their original sizes. [2018-09-19 06:02:35,737 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:02:35,811 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:02:35,811 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:02:35,811 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:02:35,811 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:02:35,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:02:35,812 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:02:35,812 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:02:35,812 INFO L87 Difference]: Start difference. First operand 15041 states and 19851 transitions. Second operand 10 states. [2018-09-19 06:02:38,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:02:38,175 INFO L93 Difference]: Finished difference Result 33229 states and 44414 transitions. [2018-09-19 06:02:38,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:02:38,176 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 310 [2018-09-19 06:02:38,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:02:38,215 INFO L225 Difference]: With dead ends: 33229 [2018-09-19 06:02:38,215 INFO L226 Difference]: Without dead ends: 18338 [2018-09-19 06:02:38,237 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 317 GetRequests, 301 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 06:02:38,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18338 states. [2018-09-19 06:02:38,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18338 to 18298. [2018-09-19 06:02:38,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18298 states. [2018-09-19 06:02:38,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18298 states to 18298 states and 24117 transitions. [2018-09-19 06:02:38,525 INFO L78 Accepts]: Start accepts. Automaton has 18298 states and 24117 transitions. Word has length 310 [2018-09-19 06:02:38,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:02:38,525 INFO L480 AbstractCegarLoop]: Abstraction has 18298 states and 24117 transitions. [2018-09-19 06:02:38,525 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:02:38,525 INFO L276 IsEmpty]: Start isEmpty. Operand 18298 states and 24117 transitions. [2018-09-19 06:02:38,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-09-19 06:02:38,534 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:02:38,535 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:02:38,535 INFO L423 AbstractCegarLoop]: === Iteration 28 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:02:38,535 INFO L82 PathProgramCache]: Analyzing trace with hash 324163747, now seen corresponding path program 1 times [2018-09-19 06:02:38,535 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:02:38,536 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 311 with the following transitions: [2018-09-19 06:02:38,536 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [149], [151], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [534], [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], [718], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:02:38,538 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:02:38,538 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:02:38,565 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:02:38,744 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-09-19 06:02:38,744 INFO L272 AbstractInterpreter]: Visited 136 different actions 666 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 06:02:38,749 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-19 06:02:38,798 WARN L209 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2018-09-19 06:02:38,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 06:02:38 BoogieIcfgContainer [2018-09-19 06:02:38,799 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 06:02:38,800 INFO L168 Benchmark]: Toolchain (without parser) took 116739.57 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 2.4 GB in the end (delta: -946.6 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-09-19 06:02:38,803 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 06:02:38,803 INFO L168 Benchmark]: CACSL2BoogieTranslator took 750.14 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-09-19 06:02:38,804 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.37 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-19 06:02:38,804 INFO L168 Benchmark]: Boogie Preprocessor took 268.48 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 787.5 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -877.9 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. [2018-09-19 06:02:38,806 INFO L168 Benchmark]: RCFGBuilder took 3301.96 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 109.0 MB). Peak memory consumption was 109.0 MB. Max. memory is 7.1 GB. [2018-09-19 06:02:38,808 INFO L168 Benchmark]: TraceAbstraction took 112301.63 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 2.4 GB in the end (delta: -230.7 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-09-19 06:02:38,816 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 750.14 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 108.37 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 268.48 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 787.5 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -877.9 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3301.96 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 109.0 MB). Peak memory consumption was 109.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 112301.63 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 2.4 GB in the end (delta: -230.7 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 76]: 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 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 TRUE (((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5)) && (a19==9)) && (a12==0))) && (a10==0)) [L255] a1 = (((a1 / 5) + 110755) + 220746) [L256] a10 = 1 [L257] a19 = 8 [L259] 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, 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 TRUE ((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14))))) [L222] a19 = 10 [L224] RET return 25; [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 FALSE !(((a19==9) && (((a4==14) && ((((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4))) && (input == 5))) && (a12==0)))) [L454] COND FALSE !((((a12==0) && ((((input == 5) && (a19==10)) && ((38 < a1) && (218 >= a1)) ) && (a4==14))) && (a10==1))) [L460] COND FALSE !(((a19==9) && ((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 3)) && (a10==1)) && (a12==0))))) [L465] COND FALSE !(((a10==0) && ((a12==0) && ((((input == 5) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a4==14))))) [L471] COND FALSE !(( 218 < a1 && (((((input == 3) && (a10==1)) && (a12==0)) && (a4==14)) && (a19==10)))) [L476] COND FALSE !((((a12==0) && ((a19==9) && (((input == 3) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a4==14)))) && (a10==3))) [L481] COND TRUE (((((a4==14) && ( ((38 < a1) && (218 >= a1)) && (input == 2))) && (a12==0)) && (a10==1)) && (a19==10)) [L482] a1 = ((((a1 * 10)/ -9) * 5) - 333686) [L483] a10 = 4 [L484] a19 = 6 [L486] 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 TRUE (((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6)) [L76] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. UNKNOWN Result, 112.2s OverallTime, 28 OverallIterations, 4 TraceHistogramMax, 79.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4947 SDtfs, 18740 SDslu, 8259 SDs, 0 SdLazy, 47484 SolverSat, 5052 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 64.7s Time, PredicateUnifierStatistics: 54 DeclaredPredicates, 6100 GetRequests, 5683 SyntacticMatches, 0 SemanticMatches, 417 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1042 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18298occurred in iteration=27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 16.7s AbstIntTime, 28 AbstIntIterations, 27 AbstIntStrong, 0.9964859011622952 AbsIntWeakeningRatio, 0.12213740458015267 AbsIntAvgWeakeningVarsNumRemoved, 19.177438507209498 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.9s AutomataMinimizationTime, 27 MinimizatonAttempts, 1659 StatesRemovedByMinimization, 27 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_label06_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_06-02-38-839.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label06_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_06-02-38-839.csv Received shutdown request...