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_label20_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 06:02:37,246 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 06:02:37,248 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 06:02:37,267 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 06:02:37,267 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 06:02:37,268 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 06:02:37,270 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 06:02:37,273 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 06:02:37,275 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 06:02:37,275 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 06:02:37,284 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 06:02:37,285 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 06:02:37,286 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 06:02:37,287 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 06:02:37,288 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 06:02:37,289 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 06:02:37,290 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 06:02:37,292 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 06:02:37,293 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 06:02:37,295 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 06:02:37,296 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 06:02:37,297 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 06:02:37,299 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 06:02:37,299 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 06:02:37,300 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 06:02:37,301 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 06:02:37,301 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 06:02:37,302 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 06:02:37,303 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 06:02:37,304 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 06:02:37,304 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 06:02:37,305 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 06:02:37,305 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 06:02:37,305 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 06:02:37,306 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 06:02:37,307 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 06:02:37,307 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf [2018-09-19 06:02:37,322 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 06:02:37,322 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 06:02:37,323 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 06:02:37,323 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 06:02:37,324 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 06:02:37,324 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 06:02:37,324 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-19 06:02:37,324 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 06:02:37,324 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-19 06:02:37,325 INFO L133 SettingsManager]: * Abstract domain=IntervalDomain [2018-09-19 06:02:37,325 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 06:02:37,325 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 06:02:37,325 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 06:02:37,326 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 06:02:37,326 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 06:02:37,326 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 06:02:37,326 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 06:02:37,327 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 06:02:37,327 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 06:02:37,327 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 06:02:37,327 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 06:02:37,327 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 06:02:37,328 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 06:02:37,328 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 06:02:37,328 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 06:02:37,328 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 06:02:37,328 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 06:02:37,329 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 06:02:37,329 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 06:02:37,329 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 06:02:37,329 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 06:02:37,329 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 06:02:37,330 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 06:02:37,330 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 06:02:37,330 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 06:02:37,374 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 06:02:37,386 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 06:02:37,390 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 06:02:37,392 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 06:02:37,392 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 06:02:37,393 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label20_true-unreach-call.c [2018-09-19 06:02:37,742 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/324c63676/9e25be9a283a401b92088d6bb2a13530/FLAGadad6754c [2018-09-19 06:02:38,045 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 06:02:38,048 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label20_true-unreach-call.c [2018-09-19 06:02:38,074 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/324c63676/9e25be9a283a401b92088d6bb2a13530/FLAGadad6754c [2018-09-19 06:02:38,100 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/324c63676/9e25be9a283a401b92088d6bb2a13530 [2018-09-19 06:02:38,114 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 06:02:38,121 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 06:02:38,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 06:02:38,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 06:02:38,132 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 06:02:38,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 06:02:38" (1/1) ... [2018-09-19 06:02:38,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24cfa716 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:02:38, skipping insertion in model container [2018-09-19 06:02:38,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 06:02:38" (1/1) ... [2018-09-19 06:02:38,154 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 06:02:38,705 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 06:02:38,731 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 06:02:38,885 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 06:02:38,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:02:38 WrapperNode [2018-09-19 06:02:38,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 06:02:38,947 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 06:02:38,947 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 06:02:38,947 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 06:02:38,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:02:38" (1/1) ... [2018-09-19 06:02:38,981 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:02:38" (1/1) ... [2018-09-19 06:02:39,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 06:02:39,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 06:02:39,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 06:02:39,047 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 06:02:39,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:02:38" (1/1) ... [2018-09-19 06:02:39,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:02:38" (1/1) ... [2018-09-19 06:02:39,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:02:38" (1/1) ... [2018-09-19 06:02:39,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:02:38" (1/1) ... [2018-09-19 06:02:39,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:02:38" (1/1) ... [2018-09-19 06:02:39,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:02:38" (1/1) ... [2018-09-19 06:02:39,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:02:38" (1/1) ... [2018-09-19 06:02:39,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 06:02:39,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 06:02:39,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 06:02:39,318 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 06:02:39,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:02:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 06:02:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 06:02:39,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 06:02:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-19 06:02:39,402 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-19 06:02:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 06:02:39,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 06:02:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 06:02:39,402 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 06:02:42,788 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 06:02:42,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 06:02:42 BoogieIcfgContainer [2018-09-19 06:02:42,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 06:02:42,790 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 06:02:42,790 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 06:02:42,793 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 06:02:42,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 06:02:38" (1/3) ... [2018-09-19 06:02:42,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@156dc718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 06:02:42, skipping insertion in model container [2018-09-19 06:02:42,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:02:38" (2/3) ... [2018-09-19 06:02:42,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@156dc718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 06:02:42, skipping insertion in model container [2018-09-19 06:02:42,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 06:02:42" (3/3) ... [2018-09-19 06:02:42,797 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label20_true-unreach-call.c [2018-09-19 06:02:42,806 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 06:02:42,814 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 06:02:42,865 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 06:02:42,865 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 06:02:42,865 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 06:02:42,866 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 06:02:42,866 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 06:02:42,866 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 06:02:42,866 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 06:02:42,866 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 06:02:42,866 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 06:02:42,894 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-09-19 06:02:42,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-19 06:02:42,902 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:02:42,904 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:02:42,905 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:02:42,909 INFO L82 PathProgramCache]: Analyzing trace with hash -2089647903, now seen corresponding path program 1 times [2018-09-19 06:02:42,911 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:02:42,912 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 36 with the following transitions: [2018-09-19 06:02:42,915 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [796], [800], [806], [810], [817], [818], [819], [821] [2018-09-19 06:02:42,953 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:02:42,954 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:02:43,140 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:02:43,142 INFO L272 AbstractInterpreter]: Visited 34 different actions 34 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-09-19 06:02:43,204 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:02:43,350 INFO L232 lantSequenceWeakener]: Weakened 32 states. On average, predicates are now at 74.11% of their original sizes. [2018-09-19 06:02:43,351 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:02:43,609 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:02:43,611 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:02:43,612 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-19 06:02:43,612 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:02:43,619 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-19 06:02:43,627 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-19 06:02:43,628 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 06:02:43,631 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 6 states. [2018-09-19 06:02:46,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:02:46,046 INFO L93 Difference]: Finished difference Result 576 states and 995 transitions. [2018-09-19 06:02:46,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-19 06:02:46,048 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2018-09-19 06:02:46,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:02:46,067 INFO L225 Difference]: With dead ends: 576 [2018-09-19 06:02:46,067 INFO L226 Difference]: Without dead ends: 358 [2018-09-19 06:02:46,074 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 34 GetRequests, 30 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 06:02:46,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2018-09-19 06:02:46,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 356. [2018-09-19 06:02:46,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-09-19 06:02:46,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 497 transitions. [2018-09-19 06:02:46,152 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 497 transitions. Word has length 35 [2018-09-19 06:02:46,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:02:46,153 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 497 transitions. [2018-09-19 06:02:46,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-19 06:02:46,153 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 497 transitions. [2018-09-19 06:02:46,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-09-19 06:02:46,161 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:02:46,161 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:02:46,164 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:02:46,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1738863731, now seen corresponding path program 1 times [2018-09-19 06:02:46,165 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:02:46,165 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 107 with the following transitions: [2018-09-19 06:02:46,166 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:02:46,176 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:02:46,176 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:02:46,304 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:02:46,421 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:02:46,421 INFO L272 AbstractInterpreter]: Visited 78 different actions 221 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 06:02:46,460 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:02:46,652 INFO L232 lantSequenceWeakener]: Weakened 103 states. On average, predicates are now at 73.25% of their original sizes. [2018-09-19 06:02:46,653 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:02:47,306 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:02:47,307 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:02:47,307 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:02:47,307 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:02:47,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:02:47,309 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:02:47,309 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:02:47,309 INFO L87 Difference]: Start difference. First operand 356 states and 497 transitions. Second operand 10 states. [2018-09-19 06:02:51,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:02:51,893 INFO L93 Difference]: Finished difference Result 717 states and 1132 transitions. [2018-09-19 06:02:51,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-19 06:02:51,893 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 106 [2018-09-19 06:02:51,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:02:51,904 INFO L225 Difference]: With dead ends: 717 [2018-09-19 06:02:51,904 INFO L226 Difference]: Without dead ends: 511 [2018-09-19 06:02:51,907 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 112 GetRequests, 97 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 06:02:51,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2018-09-19 06:02:51,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 505. [2018-09-19 06:02:51,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2018-09-19 06:02:51,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 669 transitions. [2018-09-19 06:02:51,950 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 669 transitions. Word has length 106 [2018-09-19 06:02:51,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:02:51,951 INFO L480 AbstractCegarLoop]: Abstraction has 505 states and 669 transitions. [2018-09-19 06:02:51,951 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:02:51,951 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 669 transitions. [2018-09-19 06:02:51,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-09-19 06:02:51,955 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:02:51,955 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:02:51,955 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:02:51,956 INFO L82 PathProgramCache]: Analyzing trace with hash 1902115116, now seen corresponding path program 1 times [2018-09-19 06:02:51,956 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:02:51,956 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 116 with the following transitions: [2018-09-19 06:02:51,956 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:02:51,961 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:02:51,961 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:02:52,015 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:02:52,101 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:02:52,101 INFO L272 AbstractInterpreter]: Visited 87 different actions 248 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 06:02:52,142 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:02:52,262 INFO L232 lantSequenceWeakener]: Weakened 112 states. On average, predicates are now at 73.2% of their original sizes. [2018-09-19 06:02:52,263 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:02:52,593 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:02:52,594 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:02:52,594 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:02:52,594 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:02:52,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:02:52,596 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:02:52,596 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:02:52,596 INFO L87 Difference]: Start difference. First operand 505 states and 669 transitions. Second operand 10 states. [2018-09-19 06:02:55,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:02:55,349 INFO L93 Difference]: Finished difference Result 1149 states and 1736 transitions. [2018-09-19 06:02:55,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:02:55,351 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 115 [2018-09-19 06:02:55,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:02:55,357 INFO L225 Difference]: With dead ends: 1149 [2018-09-19 06:02:55,357 INFO L226 Difference]: Without dead ends: 794 [2018-09-19 06:02:55,359 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 122 GetRequests, 106 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 06:02:55,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2018-09-19 06:02:55,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 783. [2018-09-19 06:02:55,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 783 states. [2018-09-19 06:02:55,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 1001 transitions. [2018-09-19 06:02:55,391 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 1001 transitions. Word has length 115 [2018-09-19 06:02:55,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:02:55,392 INFO L480 AbstractCegarLoop]: Abstraction has 783 states and 1001 transitions. [2018-09-19 06:02:55,392 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:02:55,392 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1001 transitions. [2018-09-19 06:02:55,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-09-19 06:02:55,397 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:02:55,397 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:02:55,397 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:02:55,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1519322676, now seen corresponding path program 1 times [2018-09-19 06:02:55,398 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:02:55,398 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 152 with the following transitions: [2018-09-19 06:02:55,399 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [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 06:02:55,404 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:02:55,404 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:02:55,480 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:02:55,636 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:02:55,636 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 06:02:55,676 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:02:55,851 INFO L232 lantSequenceWeakener]: Weakened 148 states. On average, predicates are now at 73.09% of their original sizes. [2018-09-19 06:02:55,854 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:02:56,099 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:02:56,100 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:02:56,100 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:02:56,100 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:02:56,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:02:56,101 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:02:56,101 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:02:56,102 INFO L87 Difference]: Start difference. First operand 783 states and 1001 transitions. Second operand 10 states. [2018-09-19 06:02:59,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:02:59,441 INFO L93 Difference]: Finished difference Result 1723 states and 2332 transitions. [2018-09-19 06:02:59,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-19 06:02:59,441 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 151 [2018-09-19 06:02:59,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:02:59,450 INFO L225 Difference]: With dead ends: 1723 [2018-09-19 06:02:59,450 INFO L226 Difference]: Without dead ends: 1090 [2018-09-19 06:02:59,452 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 157 GetRequests, 142 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 06:02:59,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1090 states. [2018-09-19 06:02:59,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1090 to 1081. [2018-09-19 06:02:59,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1081 states. [2018-09-19 06:02:59,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 1351 transitions. [2018-09-19 06:02:59,487 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 1351 transitions. Word has length 151 [2018-09-19 06:02:59,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:02:59,487 INFO L480 AbstractCegarLoop]: Abstraction has 1081 states and 1351 transitions. [2018-09-19 06:02:59,487 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:02:59,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1351 transitions. [2018-09-19 06:02:59,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-09-19 06:02:59,491 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:02:59,491 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:02:59,491 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:02:59,492 INFO L82 PathProgramCache]: Analyzing trace with hash 729487603, now seen corresponding path program 1 times [2018-09-19 06:02:59,492 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:02:59,492 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 171 with the following transitions: [2018-09-19 06:02:59,493 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [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 06:02:59,498 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:02:59,498 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:02:59,697 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:02:59,697 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 06:02:59,735 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:02:59,862 INFO L232 lantSequenceWeakener]: Weakened 167 states. On average, predicates are now at 73.05% of their original sizes. [2018-09-19 06:02:59,863 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:03:00,348 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:03:00,348 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:03:00,349 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:03:00,349 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:03:00,350 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:03:00,350 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:03:00,350 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:03:00,351 INFO L87 Difference]: Start difference. First operand 1081 states and 1351 transitions. Second operand 10 states. [2018-09-19 06:03:02,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:03:02,979 INFO L93 Difference]: Finished difference Result 2464 states and 3201 transitions. [2018-09-19 06:03:02,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-19 06:03:02,989 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 170 [2018-09-19 06:03:02,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:03:02,998 INFO L225 Difference]: With dead ends: 2464 [2018-09-19 06:03:02,999 INFO L226 Difference]: Without dead ends: 1533 [2018-09-19 06:03:03,002 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 176 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-09-19 06:03:03,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2018-09-19 06:03:03,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1521. [2018-09-19 06:03:03,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1521 states. [2018-09-19 06:03:03,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 1842 transitions. [2018-09-19 06:03:03,053 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 1842 transitions. Word has length 170 [2018-09-19 06:03:03,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:03:03,054 INFO L480 AbstractCegarLoop]: Abstraction has 1521 states and 1842 transitions. [2018-09-19 06:03:03,054 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:03:03,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 1842 transitions. [2018-09-19 06:03:03,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-09-19 06:03:03,057 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:03:03,058 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:03:03,058 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:03:03,058 INFO L82 PathProgramCache]: Analyzing trace with hash 103291638, now seen corresponding path program 1 times [2018-09-19 06:03:03,058 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:03:03,058 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 183 with the following transitions: [2018-09-19 06:03:03,059 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [518], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:03:03,062 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:03:03,062 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:03:03,100 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:03:03,179 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:03:03,179 INFO L272 AbstractInterpreter]: Visited 84 different actions 323 times. Merged at 7 different actions 20 times. Never widened. Found 4 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 06:03:03,190 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:03:03,307 INFO L232 lantSequenceWeakener]: Weakened 179 states. On average, predicates are now at 73.08% of their original sizes. [2018-09-19 06:03:03,307 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:03:03,553 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:03:03,554 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:03:03,554 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:03:03,554 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:03:03,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:03:03,555 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:03:03,555 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:03:03,555 INFO L87 Difference]: Start difference. First operand 1521 states and 1842 transitions. Second operand 10 states. [2018-09-19 06:03:06,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:03:06,021 INFO L93 Difference]: Finished difference Result 3061 states and 3845 transitions. [2018-09-19 06:03:06,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:03:06,038 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 182 [2018-09-19 06:03:06,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:03:06,050 INFO L225 Difference]: With dead ends: 3061 [2018-09-19 06:03:06,051 INFO L226 Difference]: Without dead ends: 1690 [2018-09-19 06:03:06,054 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 189 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:03:06,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2018-09-19 06:03:06,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1672. [2018-09-19 06:03:06,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1672 states. [2018-09-19 06:03:06,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2020 transitions. [2018-09-19 06:03:06,099 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2020 transitions. Word has length 182 [2018-09-19 06:03:06,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:03:06,100 INFO L480 AbstractCegarLoop]: Abstraction has 1672 states and 2020 transitions. [2018-09-19 06:03:06,100 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:03:06,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2020 transitions. [2018-09-19 06:03:06,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-09-19 06:03:06,103 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:03:06,103 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:03:06,104 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:03:06,104 INFO L82 PathProgramCache]: Analyzing trace with hash 191651290, now seen corresponding path program 1 times [2018-09-19 06:03:06,104 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:03:06,104 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 185 with the following transitions: [2018-09-19 06:03:06,105 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [526], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:03:06,107 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:03:06,107 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:03:06,136 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:03:06,240 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:03:06,240 INFO L272 AbstractInterpreter]: Visited 86 different actions 332 times. Merged at 7 different actions 21 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 06:03:06,281 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:03:06,394 INFO L232 lantSequenceWeakener]: Weakened 181 states. On average, predicates are now at 73.07% of their original sizes. [2018-09-19 06:03:06,395 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:03:06,721 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:03:06,721 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:03:06,721 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:03:06,721 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:03:06,722 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:03:06,722 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:03:06,722 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:03:06,723 INFO L87 Difference]: Start difference. First operand 1672 states and 2020 transitions. Second operand 10 states. [2018-09-19 06:03:09,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:03:09,248 INFO L93 Difference]: Finished difference Result 3362 states and 4211 transitions. [2018-09-19 06:03:09,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:03:09,250 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 184 [2018-09-19 06:03:09,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:03:09,259 INFO L225 Difference]: With dead ends: 3362 [2018-09-19 06:03:09,259 INFO L226 Difference]: Without dead ends: 1840 [2018-09-19 06:03:09,263 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 06:03:09,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1840 states. [2018-09-19 06:03:09,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1840 to 1823. [2018-09-19 06:03:09,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1823 states. [2018-09-19 06:03:09,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1823 states to 1823 states and 2218 transitions. [2018-09-19 06:03:09,309 INFO L78 Accepts]: Start accepts. Automaton has 1823 states and 2218 transitions. Word has length 184 [2018-09-19 06:03:09,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:03:09,309 INFO L480 AbstractCegarLoop]: Abstraction has 1823 states and 2218 transitions. [2018-09-19 06:03:09,309 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:03:09,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1823 states and 2218 transitions. [2018-09-19 06:03:09,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-09-19 06:03:09,313 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:03:09,313 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:03:09,313 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:03:09,313 INFO L82 PathProgramCache]: Analyzing trace with hash -893162590, now seen corresponding path program 1 times [2018-09-19 06:03:09,314 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:03:09,314 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 189 with the following transitions: [2018-09-19 06:03:09,314 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [542], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:03:09,316 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:03:09,316 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:03:09,343 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:03:09,422 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:03:09,423 INFO L272 AbstractInterpreter]: Visited 90 different actions 348 times. Merged at 7 different actions 21 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 06:03:09,449 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:03:09,575 INFO L232 lantSequenceWeakener]: Weakened 185 states. On average, predicates are now at 73.07% of their original sizes. [2018-09-19 06:03:09,575 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:03:09,673 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:03:09,673 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:03:09,673 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:03:09,674 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:03:09,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:03:09,674 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:03:09,674 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:03:09,675 INFO L87 Difference]: Start difference. First operand 1823 states and 2218 transitions. Second operand 10 states. [2018-09-19 06:03:12,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:03:12,661 INFO L93 Difference]: Finished difference Result 3819 states and 4796 transitions. [2018-09-19 06:03:12,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:03:12,668 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 188 [2018-09-19 06:03:12,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:03:12,678 INFO L225 Difference]: With dead ends: 3819 [2018-09-19 06:03:12,678 INFO L226 Difference]: Without dead ends: 2146 [2018-09-19 06:03:12,683 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 195 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:03:12,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2146 states. [2018-09-19 06:03:12,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2146 to 2123. [2018-09-19 06:03:12,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2123 states. [2018-09-19 06:03:12,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 2123 states and 2596 transitions. [2018-09-19 06:03:12,810 INFO L78 Accepts]: Start accepts. Automaton has 2123 states and 2596 transitions. Word has length 188 [2018-09-19 06:03:12,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:03:12,811 INFO L480 AbstractCegarLoop]: Abstraction has 2123 states and 2596 transitions. [2018-09-19 06:03:12,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:03:12,811 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 2596 transitions. [2018-09-19 06:03:12,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-09-19 06:03:12,815 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:03:12,815 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:03:12,816 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:03:12,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1851084204, now seen corresponding path program 1 times [2018-09-19 06:03:12,816 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:03:12,816 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 189 with the following transitions: [2018-09-19 06:03:12,817 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [534], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:03:12,818 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:03:12,818 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:03:12,852 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:03:12,928 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:03:12,929 INFO L272 AbstractInterpreter]: Visited 88 different actions 340 times. Merged at 7 different actions 21 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 06:03:12,970 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:03:13,080 INFO L232 lantSequenceWeakener]: Weakened 185 states. On average, predicates are now at 73.07% of their original sizes. [2018-09-19 06:03:13,081 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:03:13,191 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:03:13,191 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:03:13,191 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:03:13,191 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:03:13,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:03:13,192 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:03:13,192 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:03:13,192 INFO L87 Difference]: Start difference. First operand 2123 states and 2596 transitions. Second operand 10 states. [2018-09-19 06:03:15,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:03:15,532 INFO L93 Difference]: Finished difference Result 4418 states and 5553 transitions. [2018-09-19 06:03:15,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:03:15,533 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 188 [2018-09-19 06:03:15,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:03:15,544 INFO L225 Difference]: With dead ends: 4418 [2018-09-19 06:03:15,544 INFO L226 Difference]: Without dead ends: 2445 [2018-09-19 06:03:15,549 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 195 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:03:15,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2445 states. [2018-09-19 06:03:15,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2445 to 2411. [2018-09-19 06:03:15,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2411 states. [2018-09-19 06:03:15,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2411 states to 2411 states and 2974 transitions. [2018-09-19 06:03:15,611 INFO L78 Accepts]: Start accepts. Automaton has 2411 states and 2974 transitions. Word has length 188 [2018-09-19 06:03:15,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:03:15,612 INFO L480 AbstractCegarLoop]: Abstraction has 2411 states and 2974 transitions. [2018-09-19 06:03:15,614 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:03:15,614 INFO L276 IsEmpty]: Start isEmpty. Operand 2411 states and 2974 transitions. [2018-09-19 06:03:15,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-09-19 06:03:15,618 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:03:15,618 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:03:15,619 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:03:15,619 INFO L82 PathProgramCache]: Analyzing trace with hash -180333490, now seen corresponding path program 1 times [2018-09-19 06:03:15,619 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:03:15,619 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 195 with the following transitions: [2018-09-19 06:03:15,620 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [566], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:03:15,622 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:03:15,623 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:03:15,651 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:03:18,396 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:03:18,396 INFO L272 AbstractInterpreter]: Visited 96 different actions 372 times. Merged at 7 different actions 21 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 06:03:18,404 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:03:18,956 INFO L232 lantSequenceWeakener]: Weakened 191 states. On average, predicates are now at 73.06% of their original sizes. [2018-09-19 06:03:18,956 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:03:19,041 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:03:19,041 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:03:19,042 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:03:19,042 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:03:19,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:03:19,042 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:03:19,043 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:03:19,043 INFO L87 Difference]: Start difference. First operand 2411 states and 2974 transitions. Second operand 10 states. [2018-09-19 06:03:23,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:03:23,729 INFO L93 Difference]: Finished difference Result 4847 states and 6129 transitions. [2018-09-19 06:03:23,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-19 06:03:23,737 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 194 [2018-09-19 06:03:23,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:03:23,746 INFO L225 Difference]: With dead ends: 4847 [2018-09-19 06:03:23,747 INFO L226 Difference]: Without dead ends: 2586 [2018-09-19 06:03:23,752 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 201 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:03:23,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2586 states. [2018-09-19 06:03:23,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2586 to 2564. [2018-09-19 06:03:23,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2564 states. [2018-09-19 06:03:23,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2564 states to 2564 states and 3181 transitions. [2018-09-19 06:03:23,809 INFO L78 Accepts]: Start accepts. Automaton has 2564 states and 3181 transitions. Word has length 194 [2018-09-19 06:03:23,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:03:23,809 INFO L480 AbstractCegarLoop]: Abstraction has 2564 states and 3181 transitions. [2018-09-19 06:03:23,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:03:23,809 INFO L276 IsEmpty]: Start isEmpty. Operand 2564 states and 3181 transitions. [2018-09-19 06:03:23,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-09-19 06:03:23,813 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:03:23,814 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:03:23,814 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:03:23,814 INFO L82 PathProgramCache]: Analyzing trace with hash 257297909, now seen corresponding path program 1 times [2018-09-19 06:03:23,814 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:03:23,815 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 204 with the following transitions: [2018-09-19 06:03:23,815 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [602], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:03:23,817 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:03:23,817 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:03:23,844 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:03:24,391 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:03:24,392 INFO L272 AbstractInterpreter]: Visited 105 different actions 407 times. Merged at 7 different actions 20 times. Never widened. Found 4 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 06:03:24,409 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:03:24,606 INFO L232 lantSequenceWeakener]: Weakened 200 states. On average, predicates are now at 73.04% of their original sizes. [2018-09-19 06:03:24,606 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:03:24,713 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:03:24,713 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:03:24,713 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:03:24,713 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:03:24,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:03:24,714 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:03:24,714 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:03:24,714 INFO L87 Difference]: Start difference. First operand 2564 states and 3181 transitions. Second operand 10 states. [2018-09-19 06:03:27,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:03:27,125 INFO L93 Difference]: Finished difference Result 5159 states and 6560 transitions. [2018-09-19 06:03:27,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:03:27,132 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 203 [2018-09-19 06:03:27,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:03:27,142 INFO L225 Difference]: With dead ends: 5159 [2018-09-19 06:03:27,143 INFO L226 Difference]: Without dead ends: 2745 [2018-09-19 06:03:27,148 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 210 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:03:27,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2745 states. [2018-09-19 06:03:27,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2745 to 2719. [2018-09-19 06:03:27,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2719 states. [2018-09-19 06:03:27,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2719 states to 2719 states and 3400 transitions. [2018-09-19 06:03:27,203 INFO L78 Accepts]: Start accepts. Automaton has 2719 states and 3400 transitions. Word has length 203 [2018-09-19 06:03:27,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:03:27,203 INFO L480 AbstractCegarLoop]: Abstraction has 2719 states and 3400 transitions. [2018-09-19 06:03:27,203 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:03:27,204 INFO L276 IsEmpty]: Start isEmpty. Operand 2719 states and 3400 transitions. [2018-09-19 06:03:27,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-09-19 06:03:27,208 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:03:27,208 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-19 06:03:27,208 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:03:27,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1806480903, now seen corresponding path program 1 times [2018-09-19 06:03:27,209 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:03:27,209 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 204 with the following transitions: [2018-09-19 06:03:27,209 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [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], [566], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:03:27,211 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:03:27,211 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:03:27,243 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:03:31,119 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:03:31,119 INFO L272 AbstractInterpreter]: Visited 96 different actions 464 times. Merged at 7 different actions 28 times. Never widened. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 06:03:31,125 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:03:32,390 INFO L232 lantSequenceWeakener]: Weakened 200 states. On average, predicates are now at 73.04% of their original sizes. [2018-09-19 06:03:32,391 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:03:32,508 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:03:32,508 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:03:32,508 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:03:32,508 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:03:32,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:03:32,509 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:03:32,509 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:03:32,510 INFO L87 Difference]: Start difference. First operand 2719 states and 3400 transitions. Second operand 10 states. [2018-09-19 06:03:35,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:03:35,598 INFO L93 Difference]: Finished difference Result 6186 states and 8051 transitions. [2018-09-19 06:03:35,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:03:35,603 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 203 [2018-09-19 06:03:35,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:03:35,616 INFO L225 Difference]: With dead ends: 6186 [2018-09-19 06:03:35,617 INFO L226 Difference]: Without dead ends: 3617 [2018-09-19 06:03:35,623 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 210 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:03:35,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3617 states. [2018-09-19 06:03:35,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3617 to 3552. [2018-09-19 06:03:35,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3552 states. [2018-09-19 06:03:35,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3552 states to 3552 states and 4500 transitions. [2018-09-19 06:03:35,706 INFO L78 Accepts]: Start accepts. Automaton has 3552 states and 4500 transitions. Word has length 203 [2018-09-19 06:03:35,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:03:35,707 INFO L480 AbstractCegarLoop]: Abstraction has 3552 states and 4500 transitions. [2018-09-19 06:03:35,707 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:03:35,707 INFO L276 IsEmpty]: Start isEmpty. Operand 3552 states and 4500 transitions. [2018-09-19 06:03:35,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-09-19 06:03:35,712 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:03:35,712 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:03:35,712 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:03:35,712 INFO L82 PathProgramCache]: Analyzing trace with hash 1925784289, now seen corresponding path program 1 times [2018-09-19 06:03:35,713 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:03:35,713 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 210 with the following transitions: [2018-09-19 06:03:35,713 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [626], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:03:35,718 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:03:35,718 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:03:35,744 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:03:35,870 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:03:35,870 INFO L272 AbstractInterpreter]: Visited 111 different actions 432 times. Merged at 7 different actions 21 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 06:03:35,876 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:03:35,984 INFO L232 lantSequenceWeakener]: Weakened 206 states. On average, predicates are now at 73.03% of their original sizes. [2018-09-19 06:03:35,985 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:03:36,068 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:03:36,069 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:03:36,069 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:03:36,069 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:03:36,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:03:36,070 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:03:36,070 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:03:36,071 INFO L87 Difference]: Start difference. First operand 3552 states and 4500 transitions. Second operand 10 states. [2018-09-19 06:03:38,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:03:38,447 INFO L93 Difference]: Finished difference Result 7134 states and 9201 transitions. [2018-09-19 06:03:38,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:03:38,447 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 209 [2018-09-19 06:03:38,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:03:38,461 INFO L225 Difference]: With dead ends: 7134 [2018-09-19 06:03:38,462 INFO L226 Difference]: Without dead ends: 3732 [2018-09-19 06:03:38,469 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 216 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:03:38,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3732 states. [2018-09-19 06:03:38,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3732 to 3707. [2018-09-19 06:03:38,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3707 states. [2018-09-19 06:03:38,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3707 states to 3707 states and 4714 transitions. [2018-09-19 06:03:38,543 INFO L78 Accepts]: Start accepts. Automaton has 3707 states and 4714 transitions. Word has length 209 [2018-09-19 06:03:38,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:03:38,544 INFO L480 AbstractCegarLoop]: Abstraction has 3707 states and 4714 transitions. [2018-09-19 06:03:38,544 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:03:38,544 INFO L276 IsEmpty]: Start isEmpty. Operand 3707 states and 4714 transitions. [2018-09-19 06:03:38,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-09-19 06:03:38,551 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:03:38,551 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:03:38,552 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:03:38,552 INFO L82 PathProgramCache]: Analyzing trace with hash -2040312806, now seen corresponding path program 1 times [2018-09-19 06:03:38,552 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:03:38,552 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 217 with the following transitions: [2018-09-19 06:03:38,553 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:03:38,555 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:03:38,555 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:03:38,582 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:03:38,730 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:03:38,730 INFO L272 AbstractInterpreter]: Visited 118 different actions 459 times. Merged at 7 different actions 20 times. Never widened. Found 4 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 06:03:38,756 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:03:38,899 INFO L232 lantSequenceWeakener]: Weakened 213 states. On average, predicates are now at 73.02% of their original sizes. [2018-09-19 06:03:38,900 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:03:39,287 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:03:39,287 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:03:39,287 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:03:39,288 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:03:39,288 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:03:39,288 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:03:39,288 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:03:39,289 INFO L87 Difference]: Start difference. First operand 3707 states and 4714 transitions. Second operand 10 states. [2018-09-19 06:03:42,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:03:42,118 INFO L93 Difference]: Finished difference Result 7621 states and 9877 transitions. [2018-09-19 06:03:42,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:03:42,118 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 216 [2018-09-19 06:03:42,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:03:42,137 INFO L225 Difference]: With dead ends: 7621 [2018-09-19 06:03:42,137 INFO L226 Difference]: Without dead ends: 4064 [2018-09-19 06:03:42,144 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 223 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:03:42,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4064 states. [2018-09-19 06:03:42,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4064 to 4015. [2018-09-19 06:03:42,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4015 states. [2018-09-19 06:03:42,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4015 states to 4015 states and 5123 transitions. [2018-09-19 06:03:42,219 INFO L78 Accepts]: Start accepts. Automaton has 4015 states and 5123 transitions. Word has length 216 [2018-09-19 06:03:42,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:03:42,219 INFO L480 AbstractCegarLoop]: Abstraction has 4015 states and 5123 transitions. [2018-09-19 06:03:42,220 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:03:42,220 INFO L276 IsEmpty]: Start isEmpty. Operand 4015 states and 5123 transitions. [2018-09-19 06:03:42,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-09-19 06:03:42,225 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:03:42,226 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:03:42,226 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:03:42,226 INFO L82 PathProgramCache]: Analyzing trace with hash -231429724, now seen corresponding path program 1 times [2018-09-19 06:03:42,226 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:03:42,227 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 225 with the following transitions: [2018-09-19 06:03:42,227 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:03:42,229 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:03:42,229 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:03:42,283 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:03:42,612 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:03:42,612 INFO L272 AbstractInterpreter]: Visited 124 different actions 483 times. Merged at 7 different actions 20 times. Never widened. Found 4 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 06:03:42,650 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:03:42,789 INFO L232 lantSequenceWeakener]: Weakened 221 states. On average, predicates are now at 73.01% of their original sizes. [2018-09-19 06:03:42,789 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:03:43,071 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:03:43,072 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:03:43,072 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:03:43,072 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:03:43,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:03:43,072 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:03:43,072 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:03:43,073 INFO L87 Difference]: Start difference. First operand 4015 states and 5123 transitions. Second operand 10 states. [2018-09-19 06:03:44,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:03:44,738 INFO L93 Difference]: Finished difference Result 8209 states and 10676 transitions. [2018-09-19 06:03:44,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:03:44,745 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 224 [2018-09-19 06:03:44,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:03:44,758 INFO L225 Difference]: With dead ends: 8209 [2018-09-19 06:03:44,758 INFO L226 Difference]: Without dead ends: 4344 [2018-09-19 06:03:44,766 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 231 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:03:44,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4344 states. [2018-09-19 06:03:44,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4344 to 4317. [2018-09-19 06:03:44,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4317 states. [2018-09-19 06:03:44,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4317 states to 4317 states and 5546 transitions. [2018-09-19 06:03:44,843 INFO L78 Accepts]: Start accepts. Automaton has 4317 states and 5546 transitions. Word has length 224 [2018-09-19 06:03:44,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:03:44,843 INFO L480 AbstractCegarLoop]: Abstraction has 4317 states and 5546 transitions. [2018-09-19 06:03:44,843 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:03:44,844 INFO L276 IsEmpty]: Start isEmpty. Operand 4317 states and 5546 transitions. [2018-09-19 06:03:44,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-09-19 06:03:44,851 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:03:44,852 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:03:44,852 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:03:44,852 INFO L82 PathProgramCache]: Analyzing trace with hash -861241659, now seen corresponding path program 1 times [2018-09-19 06:03:44,852 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:03:44,853 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 244 with the following transitions: [2018-09-19 06:03:44,853 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:03:44,855 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:03:44,856 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:03:44,881 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:03:45,083 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:03:45,083 INFO L272 AbstractInterpreter]: Visited 145 different actions 567 times. Merged at 7 different actions 20 times. Never widened. Found 4 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 06:03:45,119 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:03:45,236 INFO L232 lantSequenceWeakener]: Weakened 240 states. On average, predicates are now at 72.99% of their original sizes. [2018-09-19 06:03:45,236 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:03:45,319 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:03:45,319 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:03:45,319 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:03:45,319 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:03:45,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:03:45,320 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:03:45,320 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:03:45,320 INFO L87 Difference]: Start difference. First operand 4317 states and 5546 transitions. Second operand 10 states. [2018-09-19 06:03:47,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:03:47,827 INFO L93 Difference]: Finished difference Result 8953 states and 11761 transitions. [2018-09-19 06:03:47,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:03:47,830 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 243 [2018-09-19 06:03:47,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:03:47,843 INFO L225 Difference]: With dead ends: 8953 [2018-09-19 06:03:47,843 INFO L226 Difference]: Without dead ends: 4786 [2018-09-19 06:03:47,852 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 250 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:03:47,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4786 states. [2018-09-19 06:03:47,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4786 to 4767. [2018-09-19 06:03:47,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4767 states. [2018-09-19 06:03:47,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4767 states to 4767 states and 6114 transitions. [2018-09-19 06:03:47,933 INFO L78 Accepts]: Start accepts. Automaton has 4767 states and 6114 transitions. Word has length 243 [2018-09-19 06:03:47,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:03:47,933 INFO L480 AbstractCegarLoop]: Abstraction has 4767 states and 6114 transitions. [2018-09-19 06:03:47,933 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:03:47,934 INFO L276 IsEmpty]: Start isEmpty. Operand 4767 states and 6114 transitions. [2018-09-19 06:03:47,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-09-19 06:03:47,943 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:03:47,943 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:03:47,943 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:03:47,944 INFO L82 PathProgramCache]: Analyzing trace with hash -136480941, now seen corresponding path program 1 times [2018-09-19 06:03:47,944 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:03:47,944 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 258 with the following transitions: [2018-09-19 06:03:47,944 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [782], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:03:47,948 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:03:47,948 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:03:47,980 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:03:48,203 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:03:48,203 INFO L272 AbstractInterpreter]: Visited 150 different actions 587 times. Merged at 7 different actions 20 times. Never widened. Found 4 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 06:03:48,207 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:03:48,371 INFO L232 lantSequenceWeakener]: Weakened 254 states. On average, predicates are now at 72.97% of their original sizes. [2018-09-19 06:03:48,371 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:03:48,613 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:03:48,614 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:03:48,614 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:03:48,614 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:03:48,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:03:48,615 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:03:48,615 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:03:48,615 INFO L87 Difference]: Start difference. First operand 4767 states and 6114 transitions. Second operand 10 states. [2018-09-19 06:03:53,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:03:53,060 INFO L93 Difference]: Finished difference Result 9922 states and 12899 transitions. [2018-09-19 06:03:53,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:03:53,067 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 257 [2018-09-19 06:03:53,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:03:53,085 INFO L225 Difference]: With dead ends: 9922 [2018-09-19 06:03:53,085 INFO L226 Difference]: Without dead ends: 5305 [2018-09-19 06:03:53,095 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 264 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:03:53,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5305 states. [2018-09-19 06:03:53,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5305 to 5236. [2018-09-19 06:03:53,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5236 states. [2018-09-19 06:03:53,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5236 states to 5236 states and 6768 transitions. [2018-09-19 06:03:53,220 INFO L78 Accepts]: Start accepts. Automaton has 5236 states and 6768 transitions. Word has length 257 [2018-09-19 06:03:53,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:03:53,221 INFO L480 AbstractCegarLoop]: Abstraction has 5236 states and 6768 transitions. [2018-09-19 06:03:53,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:03:53,221 INFO L276 IsEmpty]: Start isEmpty. Operand 5236 states and 6768 transitions. [2018-09-19 06:03:53,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-09-19 06:03:53,236 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:03:53,236 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:03:53,237 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:03:53,237 INFO L82 PathProgramCache]: Analyzing trace with hash -222246322, now seen corresponding path program 1 times [2018-09-19 06:03:53,237 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:03:53,237 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 266 with the following transitions: [2018-09-19 06:03:53,238 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [526], [527], [531], [535], [538], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:03:53,240 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:03:53,240 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:03:53,275 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:03:53,620 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:03:53,621 INFO L272 AbstractInterpreter]: Visited 90 different actions 438 times. Merged at 8 different actions 32 times. Never widened. Found 7 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 06:03:53,651 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:03:53,813 INFO L232 lantSequenceWeakener]: Weakened 262 states. On average, predicates are now at 73% of their original sizes. [2018-09-19 06:03:53,814 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:03:54,003 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:03:54,003 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:03:54,003 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:03:54,003 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:03:54,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:03:54,004 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:03:54,004 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:03:54,004 INFO L87 Difference]: Start difference. First operand 5236 states and 6768 transitions. Second operand 10 states. [2018-09-19 06:03:56,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:03:56,846 INFO L93 Difference]: Finished difference Result 10703 states and 14068 transitions. [2018-09-19 06:03:56,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:03:56,853 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 265 [2018-09-19 06:03:56,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:03:56,869 INFO L225 Difference]: With dead ends: 10703 [2018-09-19 06:03:56,869 INFO L226 Difference]: Without dead ends: 5617 [2018-09-19 06:03:56,878 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 272 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:03:56,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5617 states. [2018-09-19 06:03:56,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5617 to 5562. [2018-09-19 06:03:56,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5562 states. [2018-09-19 06:03:56,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5562 states to 5562 states and 7221 transitions. [2018-09-19 06:03:56,978 INFO L78 Accepts]: Start accepts. Automaton has 5562 states and 7221 transitions. Word has length 265 [2018-09-19 06:03:56,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:03:56,978 INFO L480 AbstractCegarLoop]: Abstraction has 5562 states and 7221 transitions. [2018-09-19 06:03:56,979 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:03:56,979 INFO L276 IsEmpty]: Start isEmpty. Operand 5562 states and 7221 transitions. [2018-09-19 06:03:56,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-09-19 06:03:56,988 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:03:56,988 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-09-19 06:03:56,989 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:03:56,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1059139377, now seen corresponding path program 1 times [2018-09-19 06:03:56,989 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:03:56,989 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 277 with the following transitions: [2018-09-19 06:03:56,990 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [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], [566], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:03:56,991 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:03:56,992 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:03:57,023 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:04:01,708 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:04:01,709 INFO L272 AbstractInterpreter]: Visited 97 different actions 573 times. Merged at 8 different actions 46 times. Widened at 1 different actions 1 times. Found 11 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 06:04:01,716 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:04:03,301 INFO L232 lantSequenceWeakener]: Weakened 273 states. On average, predicates are now at 72.99% of their original sizes. [2018-09-19 06:04:03,301 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:04:03,373 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:04:03,373 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:04:03,373 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:04:03,373 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:04:03,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:04:03,374 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:04:03,374 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:04:03,374 INFO L87 Difference]: Start difference. First operand 5562 states and 7221 transitions. Second operand 10 states. [2018-09-19 06:04:06,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:04:06,131 INFO L93 Difference]: Finished difference Result 12039 states and 15849 transitions. [2018-09-19 06:04:06,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:04:06,139 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 276 [2018-09-19 06:04:06,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:04:06,157 INFO L225 Difference]: With dead ends: 12039 [2018-09-19 06:04:06,157 INFO L226 Difference]: Without dead ends: 6627 [2018-09-19 06:04:06,167 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 283 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:04:06,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6627 states. [2018-09-19 06:04:06,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6627 to 6503. [2018-09-19 06:04:06,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6503 states. [2018-09-19 06:04:06,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6503 states to 6503 states and 8564 transitions. [2018-09-19 06:04:06,286 INFO L78 Accepts]: Start accepts. Automaton has 6503 states and 8564 transitions. Word has length 276 [2018-09-19 06:04:06,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:04:06,286 INFO L480 AbstractCegarLoop]: Abstraction has 6503 states and 8564 transitions. [2018-09-19 06:04:06,287 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:04:06,287 INFO L276 IsEmpty]: Start isEmpty. Operand 6503 states and 8564 transitions. [2018-09-19 06:04:06,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2018-09-19 06:04:06,297 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:04:06,297 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:04:06,298 INFO L423 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:04:06,298 INFO L82 PathProgramCache]: Analyzing trace with hash 1037371270, now seen corresponding path program 1 times [2018-09-19 06:04:06,298 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:04:06,298 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 282 with the following transitions: [2018-09-19 06:04:06,299 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [566], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:04:06,301 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:04:06,301 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:04:06,325 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:04:10,280 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:04:10,281 INFO L272 AbstractInterpreter]: Visited 97 different actions 569 times. Merged at 8 different actions 42 times. Widened at 1 different actions 1 times. Found 9 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 06:04:10,286 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:04:11,622 INFO L232 lantSequenceWeakener]: Weakened 278 states. On average, predicates are now at 72.99% of their original sizes. [2018-09-19 06:04:11,622 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:04:11,698 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:04:11,698 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:04:11,698 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:04:11,698 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:04:11,699 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:04:11,699 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:04:11,699 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:04:11,699 INFO L87 Difference]: Start difference. First operand 6503 states and 8564 transitions. Second operand 10 states. [2018-09-19 06:04:14,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:04:14,533 INFO L93 Difference]: Finished difference Result 13265 states and 17684 transitions. [2018-09-19 06:04:14,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-19 06:04:14,542 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 281 [2018-09-19 06:04:14,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:04:14,565 INFO L225 Difference]: With dead ends: 13265 [2018-09-19 06:04:14,565 INFO L226 Difference]: Without dead ends: 6912 [2018-09-19 06:04:14,576 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 288 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:04:14,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6912 states. [2018-09-19 06:04:14,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6912 to 6841. [2018-09-19 06:04:14,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6841 states. [2018-09-19 06:04:14,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6841 states to 6841 states and 9036 transitions. [2018-09-19 06:04:14,812 INFO L78 Accepts]: Start accepts. Automaton has 6841 states and 9036 transitions. Word has length 281 [2018-09-19 06:04:14,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:04:14,813 INFO L480 AbstractCegarLoop]: Abstraction has 6841 states and 9036 transitions. [2018-09-19 06:04:14,813 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:04:14,813 INFO L276 IsEmpty]: Start isEmpty. Operand 6841 states and 9036 transitions. [2018-09-19 06:04:14,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-09-19 06:04:14,823 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:04:14,824 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:04:14,824 INFO L423 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:04:14,824 INFO L82 PathProgramCache]: Analyzing trace with hash -595528494, now seen corresponding path program 1 times [2018-09-19 06:04:14,824 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:04:14,824 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 284 with the following transitions: [2018-09-19 06:04:14,825 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [526], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [610], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:04:14,827 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:04:14,827 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:04:14,854 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:04:15,035 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-09-19 06:04:15,036 INFO L272 AbstractInterpreter]: Visited 109 different actions 529 times. Merged at 8 different actions 32 times. Never widened. Found 7 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 06:04:15,072 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-19 06:04:15,113 WARN L209 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2018-09-19 06:04:15,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 06:04:15 BoogieIcfgContainer [2018-09-19 06:04:15,114 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 06:04:15,114 INFO L168 Benchmark]: Toolchain (without parser) took 96999.42 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 3.8 GB in the end (delta: -2.4 GB). Peak memory consumption was 230.7 MB. Max. memory is 7.1 GB. [2018-09-19 06:04:15,116 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 06:04:15,117 INFO L168 Benchmark]: CACSL2BoogieTranslator took 823.47 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-09-19 06:04:15,119 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.26 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-19 06:04:15,120 INFO L168 Benchmark]: Boogie Preprocessor took 267.62 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 756.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -850.1 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. [2018-09-19 06:04:15,120 INFO L168 Benchmark]: RCFGBuilder took 3473.95 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 105.8 MB). Peak memory consumption was 105.8 MB. Max. memory is 7.1 GB. [2018-09-19 06:04:15,121 INFO L168 Benchmark]: TraceAbstraction took 92323.88 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 3.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 166.1 MB. Max. memory is 7.1 GB. [2018-09-19 06:04:15,125 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 823.47 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 100.26 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 267.62 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 756.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -850.1 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3473.95 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 105.8 MB). Peak memory consumption was 105.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 92323.88 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 3.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 166.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 88]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L7] int inputC = 3; [L8] int inputD = 4; [L9] int inputE = 5; [L10] int inputF = 6; [L11] int inputB = 2; [L14] int a1 = 23; [L15] int a19 = 9; [L16] int a10 = 0; [L17] int a12 = 0; [L18] int a4 = 14; [L579] int output = -1; [L582] COND TRUE 1 [L585] int input; [L586] input = __VERIFIER_nondet_int() [L587] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L590] CALL, EXPR calculate_output(input) [L21] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L24] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L27] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L30] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L33] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L36] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L39] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L42] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L45] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L48] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L51] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L54] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L57] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L60] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L63] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L66] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L69] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L72] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L75] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L78] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L81] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L84] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L87] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L90] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L93] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L96] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L99] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L102] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L105] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L108] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L111] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L114] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L117] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L120] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L123] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L126] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L129] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L132] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L135] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L138] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L141] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L144] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L147] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L150] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L153] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L156] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L159] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L162] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L165] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L168] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L171] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L174] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L177] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L180] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L183] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L186] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L189] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L192] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L195] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L198] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L201] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L205] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L210] COND TRUE ((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0))) [L211] a1 = (((a1 + -15535) - 211896) / 5) [L212] a10 = 2 [L214] RET return 22; [L590] EXPR calculate_output(input) [L590] output = calculate_output(input) [L582] COND TRUE 1 [L585] int input; [L586] input = __VERIFIER_nondet_int() [L587] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L590] CALL, EXPR calculate_output(input) [L21] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L24] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L27] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L30] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L33] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L36] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L39] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L42] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L45] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L48] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L51] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L54] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L57] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L60] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L63] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L66] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L69] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L72] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L75] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L78] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L81] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L84] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L87] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L90] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L93] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L96] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L99] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L102] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L105] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L108] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L111] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L114] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L117] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L120] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L123] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L126] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L129] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L132] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L135] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L138] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L141] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L144] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L147] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L150] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L153] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L156] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L159] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L162] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L165] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L168] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L171] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L174] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L177] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L180] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L183] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L186] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L189] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L192] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L195] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L198] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L201] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L205] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L210] COND FALSE !(((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0)))) [L215] COND FALSE !(((((a4==14) && ((a19==10) && ((a10==1) && (input == 2)))) && (a12==0)) && 218 < a1 )) [L220] COND FALSE !(((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14)))))) [L225] COND FALSE !(((a19==10) && (((a4==14) && (((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ((a10==0) && 218 < a1 )) || ((a10==1) && a1 <= -13 )) && (input == 5))) && (a12==0)))) [L231] COND FALSE !(((a12==0) && ((a19==9) && (((a4==14) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a10==3))))) [L236] COND FALSE !(((a12==0) && ((((a4==14) && ((input == 3) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a10==2)) && (a19==9)))) [L239] COND FALSE !((((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (((input == 3) && (a19==10)) && (a4==14)))) && (a10==1))) [L244] COND TRUE (((a19==9) && (((input == 6) && (( 218 < a1 && (a10==0)) || ( a1 <= -13 && (a10==1)))) && (a4==14))) && (a12==0)) [L245] a1 = (((((a1 % 25)- -13) - 42605) / 5) - -8517) [L246] a10 = 3 [L248] RET return 26; [L590] EXPR calculate_output(input) [L590] output = calculate_output(input) [L582] COND TRUE 1 [L585] int input; [L586] input = __VERIFIER_nondet_int() [L587] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L590] CALL, EXPR calculate_output(input) [L21] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L24] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L27] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L30] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L33] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L36] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L39] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L42] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L45] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L48] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L51] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L54] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L57] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L60] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L63] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L66] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L69] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L72] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L75] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L78] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L81] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L84] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L87] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L90] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L93] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L96] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L99] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L102] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L105] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L108] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L111] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L114] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L117] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L120] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L123] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L126] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L129] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L132] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L135] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L138] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L141] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L144] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L147] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L150] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L153] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L156] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L159] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L162] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L165] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L168] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L171] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L174] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L177] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L180] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L183] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L186] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L189] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L192] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L195] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L198] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L201] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L205] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L210] COND FALSE !(((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0)))) [L215] COND FALSE !(((((a4==14) && ((a19==10) && ((a10==1) && (input == 2)))) && (a12==0)) && 218 < a1 )) [L220] COND FALSE !(((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14)))))) [L225] COND FALSE !(((a19==10) && (((a4==14) && (((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ((a10==0) && 218 < a1 )) || ((a10==1) && a1 <= -13 )) && (input == 5))) && (a12==0)))) [L231] COND FALSE !(((a12==0) && ((a19==9) && (((a4==14) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a10==3))))) [L236] COND FALSE !(((a12==0) && ((((a4==14) && ((input == 3) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a10==2)) && (a19==9)))) [L239] COND FALSE !((((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (((input == 3) && (a19==10)) && (a4==14)))) && (a10==1))) [L244] COND FALSE !((((a19==9) && (((input == 6) && (( 218 < a1 && (a10==0)) || ( a1 <= -13 && (a10==1)))) && (a4==14))) && (a12==0))) [L249] COND FALSE !(( ((38 < a1) && (218 >= a1)) && (((a4==14) && ((a19==10) && ((a10==1) && (input == 4)))) && (a12==0)))) [L254] COND FALSE !((((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5)) && (a19==9)) && (a12==0))) && (a10==0))) [L260] COND FALSE !((((a4==14) && ((((((a10==2) && ((38 < a1) && (218 >= a1)) ) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3))) && (input == 2)) && (a19==9))) && (a12==0))) [L265] COND FALSE !((((a10==1) && (((a12==0) && ((input == 6) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a4==14))) && (a19==9))) [L271] COND FALSE !(((((((input == 5) && (a4==14)) && 218 < a1 ) && (a10==4)) && (a19==9)) && (a12==0))) [L277] COND FALSE !(((a19==10) && ((a4==14) && ((a12==0) && ((input == 4) && ((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0))) || ((a10==1) && a1 <= -13 ))))))) [L283] COND FALSE !((((a12==0) && ((((a19==9) && (input == 4)) && 218 < a1 ) && (a10==1))) && (a4==14))) [L286] COND FALSE !(((a10==1) && ((a4==14) && ((((a12==0) && (input == 2)) && (a19==9)) && 218 < a1 )))) [L291] COND FALSE !((((a4==14) && (((input == 4) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3)))) && (a19==9))) && (a12==0))) [L296] COND FALSE !(((((a12==0) && ((((a10==0) && 218 < a1 ) || ((a10==1) && a1 <= -13 )) && (input == 2))) && (a19==9)) && (a4==14))) [L301] COND FALSE !((((a4==14) && ((a12==0) && ((input == 3) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))))) && (a19==9))) [L306] COND FALSE !((((((a10==1) && ((a12==0) && (input == 6))) && (a19==10)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14))) [L312] COND FALSE !(((a19==9) && (((a10==4) && ( 218 < a1 && ((a4==14) && (input == 6)))) && (a12==0)))) [L317] COND FALSE !((((a10==0) && ((a12==0) && (((input == 4) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)))) && (a4==14))) [L320] COND FALSE !(((a19==9) && ((((a4==14) && ((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a12==0)) && (a10==2)))) [L323] COND FALSE !((((((a12==0) && ((input == 4) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a19==9)) && (a4==14)) && (a10==3))) [L326] COND FALSE !((((a4==14) && (((a12==0) && ( 218 < a1 && (input == 6))) && (a19==10))) && (a10==1))) [L329] COND FALSE !(((((((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a10==0)) && (a4==14)) && (a12==0))) [L335] COND FALSE !((((((( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 )) && (input == 3)) && (a4==14)) && (a12==0)) && (a19==9))) [L340] COND FALSE !(((a12==0) && ((a19==9) && (((input == 6) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))) && (a4==14))))) [L345] COND TRUE (((a10==3) && (((a19==9) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5))) && (a12==0))) && (a4==14)) [L346] a1 = ((((a1 - 287698) - 189392) % 89)+ 206) [L347] a10 = 2 [L348] a19 = 7 [L350] RET return -1; [L590] EXPR calculate_output(input) [L590] output = calculate_output(input) [L582] COND TRUE 1 [L585] int input; [L586] input = __VERIFIER_nondet_int() [L587] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L590] CALL calculate_output(input) [L21] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L24] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L27] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L30] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L33] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L36] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L39] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L42] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L45] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L48] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L51] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L54] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L57] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L60] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L63] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L66] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L69] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L72] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L75] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L78] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L81] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L84] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L87] COND TRUE (((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7)) [L88] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. UNKNOWN Result, 92.2s OverallTime, 21 OverallIterations, 4 TraceHistogramMax, 58.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3700 SDtfs, 13022 SDslu, 7288 SDs, 0 SdLazy, 37197 SolverSat, 3547 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 48.1s Time, PredicateUnifierStatistics: 40 DeclaredPredicates, 4019 GetRequests, 3714 SyntacticMatches, 0 SemanticMatches, 305 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 755 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6841occurred in iteration=20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 19.8s AbstIntTime, 21 AbstIntIterations, 20 AbstIntStrong, 0.9964034392750253 AbsIntWeakeningRatio, 0.1297157622739018 AbsIntAvgWeakeningVarsNumRemoved, 19.07312661498708 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 20 MinimizatonAttempts, 684 StatesRemovedByMinimization, 20 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_label20_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_06-04-15-150.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label20_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_06-04-15-150.csv Received shutdown request...