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_label35_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 06:04:12,071 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 06:04:12,074 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 06:04:12,086 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 06:04:12,087 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 06:04:12,088 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 06:04:12,089 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 06:04:12,091 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 06:04:12,093 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 06:04:12,094 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 06:04:12,095 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 06:04:12,095 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 06:04:12,096 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 06:04:12,097 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 06:04:12,098 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 06:04:12,099 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 06:04:12,100 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 06:04:12,102 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 06:04:12,105 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 06:04:12,106 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 06:04:12,108 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 06:04:12,109 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 06:04:12,111 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 06:04:12,112 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 06:04:12,112 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 06:04:12,114 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 06:04:12,115 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 06:04:12,116 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 06:04:12,120 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 06:04:12,123 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 06:04:12,124 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 06:04:12,124 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-19 06:04:12,128 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 06:04:12,160 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 06:04:12,161 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 06:04:12,162 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 06:04:12,162 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 06:04:12,162 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 06:04:12,162 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 06:04:12,163 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-19 06:04:12,163 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 06:04:12,163 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-19 06:04:12,163 INFO L133 SettingsManager]: * Abstract domain=IntervalDomain [2018-09-19 06:04:12,164 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 06:04:12,164 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 06:04:12,164 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 06:04:12,165 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 06:04:12,165 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 06:04:12,165 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 06:04:12,166 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 06:04:12,166 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 06:04:12,166 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 06:04:12,167 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 06:04:12,167 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 06:04:12,167 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 06:04:12,167 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 06:04:12,168 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 06:04:12,168 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 06:04:12,168 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 06:04:12,168 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 06:04:12,169 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 06:04:12,169 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 06:04:12,169 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 06:04:12,170 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 06:04:12,170 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 06:04:12,170 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 06:04:12,170 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 06:04:12,171 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 06:04:12,241 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 06:04:12,256 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 06:04:12,263 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 06:04:12,265 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 06:04:12,265 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 06:04:12,266 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label35_true-unreach-call.c [2018-09-19 06:04:12,616 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d174b829e/d6c9ca70742b46918e4236837344085d/FLAG1b0914f8f [2018-09-19 06:04:12,882 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 06:04:12,883 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label35_true-unreach-call.c [2018-09-19 06:04:12,902 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d174b829e/d6c9ca70742b46918e4236837344085d/FLAG1b0914f8f [2018-09-19 06:04:12,921 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d174b829e/d6c9ca70742b46918e4236837344085d [2018-09-19 06:04:12,931 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 06:04:12,934 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 06:04:12,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 06:04:12,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 06:04:12,943 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 06:04:12,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 06:04:12" (1/1) ... [2018-09-19 06:04:12,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54423241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:04:12, skipping insertion in model container [2018-09-19 06:04:12,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 06:04:12" (1/1) ... [2018-09-19 06:04:12,959 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 06:04:13,424 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 06:04:13,442 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 06:04:13,591 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 06:04:13,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:04:13 WrapperNode [2018-09-19 06:04:13,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 06:04:13,642 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 06:04:13,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 06:04:13,642 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 06:04:13,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:04:13" (1/1) ... [2018-09-19 06:04:13,685 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:04:13" (1/1) ... [2018-09-19 06:04:13,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 06:04:13,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 06:04:13,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 06:04:13,775 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 06:04:13,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:04:13" (1/1) ... [2018-09-19 06:04:13,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:04:13" (1/1) ... [2018-09-19 06:04:13,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:04:13" (1/1) ... [2018-09-19 06:04:13,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:04:13" (1/1) ... [2018-09-19 06:04:13,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:04:13" (1/1) ... [2018-09-19 06:04:13,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:04:13" (1/1) ... [2018-09-19 06:04:14,007 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:04:13" (1/1) ... [2018-09-19 06:04:14,021 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 06:04:14,022 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 06:04:14,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 06:04:14,022 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 06:04:14,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:04:13" (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 06:04:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 06:04:14,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 06:04:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-19 06:04:14,107 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-19 06:04:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 06:04:14,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 06:04:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 06:04:14,108 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 06:04:17,586 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 06:04:17,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 06:04:17 BoogieIcfgContainer [2018-09-19 06:04:17,587 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 06:04:17,588 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 06:04:17,589 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 06:04:17,592 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 06:04:17,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 06:04:12" (1/3) ... [2018-09-19 06:04:17,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46805b05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 06:04:17, skipping insertion in model container [2018-09-19 06:04:17,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:04:13" (2/3) ... [2018-09-19 06:04:17,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46805b05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 06:04:17, skipping insertion in model container [2018-09-19 06:04:17,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 06:04:17" (3/3) ... [2018-09-19 06:04:17,596 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label35_true-unreach-call.c [2018-09-19 06:04:17,607 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 06:04:17,616 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 06:04:17,678 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 06:04:17,679 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 06:04:17,679 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 06:04:17,679 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 06:04:17,680 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 06:04:17,680 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 06:04:17,680 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 06:04:17,680 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 06:04:17,680 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 06:04:17,708 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-09-19 06:04:17,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-19 06:04:17,719 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:04:17,720 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:04:17,721 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:04:17,727 INFO L82 PathProgramCache]: Analyzing trace with hash 1718908404, now seen corresponding path program 1 times [2018-09-19 06:04:17,730 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:04:17,731 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 59 with the following transitions: [2018-09-19 06:04:17,734 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [796], [800], [806], [810], [817], [818], [819], [821] [2018-09-19 06:04:17,777 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:04:17,778 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:04:18,090 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:04:18,092 INFO L272 AbstractInterpreter]: Visited 57 different actions 57 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-09-19 06:04:18,137 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:04:18,320 INFO L232 lantSequenceWeakener]: Weakened 55 states. On average, predicates are now at 75.43% of their original sizes. [2018-09-19 06:04:18,320 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:04:18,566 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:04:18,568 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:04:18,569 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-19 06:04:18,569 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:04:18,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-19 06:04:18,585 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-19 06:04:18,586 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 06:04:18,589 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 6 states. [2018-09-19 06:04:21,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:04:21,251 INFO L93 Difference]: Finished difference Result 576 states and 995 transitions. [2018-09-19 06:04:21,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-19 06:04:21,253 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2018-09-19 06:04:21,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:04:21,271 INFO L225 Difference]: With dead ends: 576 [2018-09-19 06:04:21,272 INFO L226 Difference]: Without dead ends: 358 [2018-09-19 06:04:21,279 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 57 GetRequests, 53 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 06:04:21,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2018-09-19 06:04:21,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 356. [2018-09-19 06:04:21,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-09-19 06:04:21,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 497 transitions. [2018-09-19 06:04:21,353 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 497 transitions. Word has length 58 [2018-09-19 06:04:21,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:04:21,353 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 497 transitions. [2018-09-19 06:04:21,354 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-19 06:04:21,354 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 497 transitions. [2018-09-19 06:04:21,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-09-19 06:04:21,360 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:04:21,360 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-19 06:04:21,362 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:04:21,362 INFO L82 PathProgramCache]: Analyzing trace with hash 1432261539, now seen corresponding path program 1 times [2018-09-19 06:04:21,362 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:04:21,363 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 130 with the following transitions: [2018-09-19 06:04:21,363 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [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 06:04:21,370 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:04:21,370 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:04:21,465 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:04:21,580 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:04:21,580 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 06:04:21,619 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:04:21,791 INFO L232 lantSequenceWeakener]: Weakened 126 states. On average, predicates are now at 73.98% of their original sizes. [2018-09-19 06:04:21,791 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:04:22,249 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:04:22,251 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:04:22,252 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:04:22,252 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:04:22,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:04:22,255 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:04:22,255 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:04:22,255 INFO L87 Difference]: Start difference. First operand 356 states and 497 transitions. Second operand 10 states. [2018-09-19 06:04:26,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:04:26,618 INFO L93 Difference]: Finished difference Result 717 states and 1132 transitions. [2018-09-19 06:04:26,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-19 06:04:26,622 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 129 [2018-09-19 06:04:26,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:04:26,628 INFO L225 Difference]: With dead ends: 717 [2018-09-19 06:04:26,628 INFO L226 Difference]: Without dead ends: 511 [2018-09-19 06:04:26,632 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 135 GetRequests, 120 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 06:04:26,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2018-09-19 06:04:26,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 505. [2018-09-19 06:04:26,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2018-09-19 06:04:26,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 669 transitions. [2018-09-19 06:04:26,667 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 669 transitions. Word has length 129 [2018-09-19 06:04:26,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:04:26,668 INFO L480 AbstractCegarLoop]: Abstraction has 505 states and 669 transitions. [2018-09-19 06:04:26,668 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:04:26,668 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 669 transitions. [2018-09-19 06:04:26,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-09-19 06:04:26,672 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:04:26,672 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-19 06:04:26,673 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:04:26,673 INFO L82 PathProgramCache]: Analyzing trace with hash -352320280, now seen corresponding path program 1 times [2018-09-19 06:04:26,673 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:04:26,673 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 139 with the following transitions: [2018-09-19 06:04:26,675 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [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 06:04:26,678 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:04:26,679 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:04:26,734 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:04:26,814 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:04:26,815 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 06:04:26,852 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:04:26,963 INFO L232 lantSequenceWeakener]: Weakened 135 states. On average, predicates are now at 73.9% of their original sizes. [2018-09-19 06:04:26,964 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:04:27,726 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:04:27,727 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:04:27,727 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:04:27,727 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:04:27,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:04:27,728 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:04:27,728 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:04:27,729 INFO L87 Difference]: Start difference. First operand 505 states and 669 transitions. Second operand 10 states. [2018-09-19 06:04:31,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:04:31,965 INFO L93 Difference]: Finished difference Result 1149 states and 1736 transitions. [2018-09-19 06:04:31,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:04:31,967 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 138 [2018-09-19 06:04:31,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:04:31,974 INFO L225 Difference]: With dead ends: 1149 [2018-09-19 06:04:31,974 INFO L226 Difference]: Without dead ends: 794 [2018-09-19 06:04:31,976 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 145 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:04:31,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2018-09-19 06:04:32,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 783. [2018-09-19 06:04:32,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 783 states. [2018-09-19 06:04:32,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 1001 transitions. [2018-09-19 06:04:32,031 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 1001 transitions. Word has length 138 [2018-09-19 06:04:32,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:04:32,032 INFO L480 AbstractCegarLoop]: Abstraction has 783 states and 1001 transitions. [2018-09-19 06:04:32,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:04:32,032 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1001 transitions. [2018-09-19 06:04:32,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-09-19 06:04:32,048 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:04:32,048 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-19 06:04:32,050 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:04:32,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1031908192, now seen corresponding path program 1 times [2018-09-19 06:04:32,050 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:04:32,051 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 175 with the following transitions: [2018-09-19 06:04:32,051 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [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 06:04:32,062 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:04:32,062 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:04:32,145 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:04:32,284 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:04:32,284 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 06:04:32,321 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:04:32,457 INFO L232 lantSequenceWeakener]: Weakened 171 states. On average, predicates are now at 73.65% of their original sizes. [2018-09-19 06:04:32,457 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:04:32,651 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:04:32,652 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:04:32,652 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:04:32,652 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:04:32,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:04:32,653 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:04:32,654 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:04:32,654 INFO L87 Difference]: Start difference. First operand 783 states and 1001 transitions. Second operand 10 states. [2018-09-19 06:04:36,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:04:36,659 INFO L93 Difference]: Finished difference Result 1723 states and 2332 transitions. [2018-09-19 06:04:36,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-19 06:04:36,660 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 174 [2018-09-19 06:04:36,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:04:36,668 INFO L225 Difference]: With dead ends: 1723 [2018-09-19 06:04:36,668 INFO L226 Difference]: Without dead ends: 1090 [2018-09-19 06:04:36,670 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 180 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-09-19 06:04:36,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1090 states. [2018-09-19 06:04:36,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1090 to 1081. [2018-09-19 06:04:36,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1081 states. [2018-09-19 06:04:36,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 1351 transitions. [2018-09-19 06:04:36,704 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 1351 transitions. Word has length 174 [2018-09-19 06:04:36,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:04:36,705 INFO L480 AbstractCegarLoop]: Abstraction has 1081 states and 1351 transitions. [2018-09-19 06:04:36,705 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:04:36,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1351 transitions. [2018-09-19 06:04:36,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-09-19 06:04:36,709 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:04:36,709 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-19 06:04:36,710 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:04:36,710 INFO L82 PathProgramCache]: Analyzing trace with hash 955963171, now seen corresponding path program 1 times [2018-09-19 06:04:36,710 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:04:36,710 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 194 with the following transitions: [2018-09-19 06:04:36,711 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [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 06:04:36,715 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:04:36,716 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:04:36,891 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:04:36,891 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 06:04:36,929 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:04:37,060 INFO L232 lantSequenceWeakener]: Weakened 190 states. On average, predicates are now at 73.56% of their original sizes. [2018-09-19 06:04:37,060 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:04:37,170 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:04:37,170 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:04:37,171 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:04:37,171 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:04:37,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:04:37,172 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:04:37,172 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:04:37,172 INFO L87 Difference]: Start difference. First operand 1081 states and 1351 transitions. Second operand 10 states. [2018-09-19 06:04:39,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:04:39,812 INFO L93 Difference]: Finished difference Result 2464 states and 3201 transitions. [2018-09-19 06:04:39,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-19 06:04:39,814 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 193 [2018-09-19 06:04:39,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:04:39,822 INFO L225 Difference]: With dead ends: 2464 [2018-09-19 06:04:39,822 INFO L226 Difference]: Without dead ends: 1533 [2018-09-19 06:04:39,825 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 199 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-09-19 06:04:39,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2018-09-19 06:04:39,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1521. [2018-09-19 06:04:39,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1521 states. [2018-09-19 06:04:39,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 1842 transitions. [2018-09-19 06:04:39,876 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 1842 transitions. Word has length 193 [2018-09-19 06:04:39,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:04:39,877 INFO L480 AbstractCegarLoop]: Abstraction has 1521 states and 1842 transitions. [2018-09-19 06:04:39,877 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:04:39,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 1842 transitions. [2018-09-19 06:04:39,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-09-19 06:04:39,881 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:04:39,881 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:04:39,882 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:04:39,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1636639905, now seen corresponding path program 1 times [2018-09-19 06:04:39,882 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:04:39,882 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 206 with the following transitions: [2018-09-19 06:04:39,883 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [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 06:04:39,885 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:04:39,885 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:04:39,920 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:04:39,992 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:04:39,992 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 06:04:40,028 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:04:40,147 INFO L232 lantSequenceWeakener]: Weakened 202 states. On average, predicates are now at 73.55% of their original sizes. [2018-09-19 06:04:40,148 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:04:40,283 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:04:40,283 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:04:40,284 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:04:40,284 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:04:40,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:04:40,284 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:04:40,285 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:04:40,285 INFO L87 Difference]: Start difference. First operand 1521 states and 1842 transitions. Second operand 10 states. [2018-09-19 06:04:42,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:04:42,964 INFO L93 Difference]: Finished difference Result 3061 states and 3845 transitions. [2018-09-19 06:04:42,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:04:42,967 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 205 [2018-09-19 06:04:42,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:04:42,975 INFO L225 Difference]: With dead ends: 3061 [2018-09-19 06:04:42,976 INFO L226 Difference]: Without dead ends: 1690 [2018-09-19 06:04:42,980 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 212 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:04:42,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2018-09-19 06:04:43,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1672. [2018-09-19 06:04:43,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1672 states. [2018-09-19 06:04:43,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2020 transitions. [2018-09-19 06:04:43,030 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2020 transitions. Word has length 205 [2018-09-19 06:04:43,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:04:43,031 INFO L480 AbstractCegarLoop]: Abstraction has 1672 states and 2020 transitions. [2018-09-19 06:04:43,031 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:04:43,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2020 transitions. [2018-09-19 06:04:43,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-09-19 06:04:43,035 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:04:43,036 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:04:43,036 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:04:43,036 INFO L82 PathProgramCache]: Analyzing trace with hash 920801275, now seen corresponding path program 1 times [2018-09-19 06:04:43,036 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:04:43,037 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 208 with the following transitions: [2018-09-19 06:04:43,037 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [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 06:04:43,039 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:04:43,040 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:04:43,072 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:04:43,175 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:04:43,175 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 06:04:43,202 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:04:43,339 INFO L232 lantSequenceWeakener]: Weakened 204 states. On average, predicates are now at 73.55% of their original sizes. [2018-09-19 06:04:43,339 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:04:43,797 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:04:43,798 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:04:43,798 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:04:43,798 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:04:43,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:04:43,798 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:04:43,799 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:04:43,799 INFO L87 Difference]: Start difference. First operand 1672 states and 2020 transitions. Second operand 10 states. [2018-09-19 06:04:46,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:04:46,251 INFO L93 Difference]: Finished difference Result 3362 states and 4211 transitions. [2018-09-19 06:04:46,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:04:46,254 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 207 [2018-09-19 06:04:46,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:04:46,263 INFO L225 Difference]: With dead ends: 3362 [2018-09-19 06:04:46,264 INFO L226 Difference]: Without dead ends: 1840 [2018-09-19 06:04:46,268 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 214 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:04:46,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1840 states. [2018-09-19 06:04:46,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1840 to 1823. [2018-09-19 06:04:46,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1823 states. [2018-09-19 06:04:46,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1823 states to 1823 states and 2218 transitions. [2018-09-19 06:04:46,313 INFO L78 Accepts]: Start accepts. Automaton has 1823 states and 2218 transitions. Word has length 207 [2018-09-19 06:04:46,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:04:46,314 INFO L480 AbstractCegarLoop]: Abstraction has 1823 states and 2218 transitions. [2018-09-19 06:04:46,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:04:46,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1823 states and 2218 transitions. [2018-09-19 06:04:46,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-09-19 06:04:46,318 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:04:46,318 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:04:46,319 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:04:46,319 INFO L82 PathProgramCache]: Analyzing trace with hash -13651661, now seen corresponding path program 1 times [2018-09-19 06:04:46,319 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:04:46,319 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 212 with the following transitions: [2018-09-19 06:04:46,320 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [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 06:04:46,322 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:04:46,322 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:04:46,347 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:04:46,423 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:04:46,423 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 06:04:46,424 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:04:46,539 INFO L232 lantSequenceWeakener]: Weakened 208 states. On average, predicates are now at 73.53% of their original sizes. [2018-09-19 06:04:46,539 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:04:46,671 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:04:46,671 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:04:46,671 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:04:46,671 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:04:46,672 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:04:46,672 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:04:46,672 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:04:46,672 INFO L87 Difference]: Start difference. First operand 1823 states and 2218 transitions. Second operand 10 states. [2018-09-19 06:04:51,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:04:51,126 INFO L93 Difference]: Finished difference Result 3819 states and 4796 transitions. [2018-09-19 06:04:51,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:04:51,133 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 211 [2018-09-19 06:04:51,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:04:51,145 INFO L225 Difference]: With dead ends: 3819 [2018-09-19 06:04:51,145 INFO L226 Difference]: Without dead ends: 2146 [2018-09-19 06:04:51,150 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 218 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:04:51,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2146 states. [2018-09-19 06:04:51,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2146 to 2123. [2018-09-19 06:04:51,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2123 states. [2018-09-19 06:04:51,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 2123 states and 2596 transitions. [2018-09-19 06:04:51,207 INFO L78 Accepts]: Start accepts. Automaton has 2123 states and 2596 transitions. Word has length 211 [2018-09-19 06:04:51,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:04:51,207 INFO L480 AbstractCegarLoop]: Abstraction has 2123 states and 2596 transitions. [2018-09-19 06:04:51,208 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:04:51,208 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 2596 transitions. [2018-09-19 06:04:51,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-09-19 06:04:51,212 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:04:51,212 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:04:51,212 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:04:51,213 INFO L82 PathProgramCache]: Analyzing trace with hash -140280501, now seen corresponding path program 1 times [2018-09-19 06:04:51,213 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:04:51,213 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 212 with the following transitions: [2018-09-19 06:04:51,213 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [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 06:04:51,215 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:04:51,215 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:04:51,245 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:04:51,310 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:04:51,310 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 06:04:51,316 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:04:51,434 INFO L232 lantSequenceWeakener]: Weakened 208 states. On average, predicates are now at 73.53% of their original sizes. [2018-09-19 06:04:51,435 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:04:51,559 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:04:51,559 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:04:51,559 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:04:51,560 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:04:51,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:04:51,560 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:04:51,560 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:04:51,560 INFO L87 Difference]: Start difference. First operand 2123 states and 2596 transitions. Second operand 10 states. [2018-09-19 06:04:55,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:04:55,008 INFO L93 Difference]: Finished difference Result 4418 states and 5553 transitions. [2018-09-19 06:04:55,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:04:55,009 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 211 [2018-09-19 06:04:55,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:04:55,021 INFO L225 Difference]: With dead ends: 4418 [2018-09-19 06:04:55,021 INFO L226 Difference]: Without dead ends: 2445 [2018-09-19 06:04:55,026 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 218 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:04:55,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2445 states. [2018-09-19 06:04:55,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2445 to 2411. [2018-09-19 06:04:55,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2411 states. [2018-09-19 06:04:55,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2411 states to 2411 states and 2974 transitions. [2018-09-19 06:04:55,078 INFO L78 Accepts]: Start accepts. Automaton has 2411 states and 2974 transitions. Word has length 211 [2018-09-19 06:04:55,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:04:55,079 INFO L480 AbstractCegarLoop]: Abstraction has 2411 states and 2974 transitions. [2018-09-19 06:04:55,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:04:55,079 INFO L276 IsEmpty]: Start isEmpty. Operand 2411 states and 2974 transitions. [2018-09-19 06:04:55,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-09-19 06:04:55,084 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:04:55,084 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 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 06:04:55,085 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:04:55,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1232998649, now seen corresponding path program 1 times [2018-09-19 06:04:55,085 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:04:55,085 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 218 with the following transitions: [2018-09-19 06:04:55,086 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [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 06:04:55,088 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:04:55,088 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:04:55,112 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:04:57,483 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:04:57,484 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 06:04:57,490 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:04:58,136 INFO L232 lantSequenceWeakener]: Weakened 214 states. On average, predicates are now at 73.51% of their original sizes. [2018-09-19 06:04:58,136 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:04:58,257 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:04:58,258 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:04:58,258 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:04:58,258 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:04:58,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:04:58,259 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:04:58,259 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:04:58,259 INFO L87 Difference]: Start difference. First operand 2411 states and 2974 transitions. Second operand 10 states. [2018-09-19 06:05:00,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:05:00,422 INFO L93 Difference]: Finished difference Result 4850 states and 6141 transitions. [2018-09-19 06:05:00,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:05:00,423 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 217 [2018-09-19 06:05:00,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:05:00,433 INFO L225 Difference]: With dead ends: 4850 [2018-09-19 06:05:00,433 INFO L226 Difference]: Without dead ends: 2589 [2018-09-19 06:05:00,439 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 224 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:05:00,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2589 states. [2018-09-19 06:05:00,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2589 to 2566. [2018-09-19 06:05:00,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2566 states. [2018-09-19 06:05:00,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2566 states to 2566 states and 3192 transitions. [2018-09-19 06:05:00,491 INFO L78 Accepts]: Start accepts. Automaton has 2566 states and 3192 transitions. Word has length 217 [2018-09-19 06:05:00,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:05:00,491 INFO L480 AbstractCegarLoop]: Abstraction has 2566 states and 3192 transitions. [2018-09-19 06:05:00,492 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:05:00,492 INFO L276 IsEmpty]: Start isEmpty. Operand 2566 states and 3192 transitions. [2018-09-19 06:05:00,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-09-19 06:05:00,497 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:05:00,497 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:05:00,497 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:05:00,498 INFO L82 PathProgramCache]: Analyzing trace with hash -1696424128, now seen corresponding path program 1 times [2018-09-19 06:05:00,498 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:05:00,498 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 227 with the following transitions: [2018-09-19 06:05:00,498 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [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 06:05:00,501 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:05:00,501 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:05:00,525 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:05:00,991 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:05:00,991 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 06:05:00,999 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:05:01,208 INFO L232 lantSequenceWeakener]: Weakened 223 states. On average, predicates are now at 73.48% of their original sizes. [2018-09-19 06:05:01,208 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:05:01,295 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:05:01,295 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:05:01,295 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:05:01,296 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:05:01,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:05:01,296 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:05:01,296 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:05:01,297 INFO L87 Difference]: Start difference. First operand 2566 states and 3192 transitions. Second operand 10 states. [2018-09-19 06:05:03,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:05:03,393 INFO L93 Difference]: Finished difference Result 5163 states and 6584 transitions. [2018-09-19 06:05:03,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:05:03,394 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 226 [2018-09-19 06:05:03,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:05:03,405 INFO L225 Difference]: With dead ends: 5163 [2018-09-19 06:05:03,405 INFO L226 Difference]: Without dead ends: 2747 [2018-09-19 06:05:03,411 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 233 GetRequests, 217 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 06:05:03,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2747 states. [2018-09-19 06:05:03,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2747 to 2721. [2018-09-19 06:05:03,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2721 states. [2018-09-19 06:05:03,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2721 states to 2721 states and 3412 transitions. [2018-09-19 06:05:03,481 INFO L78 Accepts]: Start accepts. Automaton has 2721 states and 3412 transitions. Word has length 226 [2018-09-19 06:05:03,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:05:03,482 INFO L480 AbstractCegarLoop]: Abstraction has 2721 states and 3412 transitions. [2018-09-19 06:05:03,482 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:05:03,482 INFO L276 IsEmpty]: Start isEmpty. Operand 2721 states and 3412 transitions. [2018-09-19 06:05:03,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-09-19 06:05:03,490 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:05:03,490 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:05:03,490 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:05:03,491 INFO L82 PathProgramCache]: Analyzing trace with hash 629905620, now seen corresponding path program 1 times [2018-09-19 06:05:03,491 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:05:03,491 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 233 with the following transitions: [2018-09-19 06:05:03,491 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [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 06:05:03,494 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:05:03,494 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:05:03,525 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:05:03,743 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:05:03,744 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 06:05:03,793 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:05:03,911 INFO L232 lantSequenceWeakener]: Weakened 229 states. On average, predicates are now at 73.46% of their original sizes. [2018-09-19 06:05:03,912 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:05:04,022 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:05:04,022 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:05:04,022 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:05:04,022 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:05:04,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:05:04,023 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:05:04,023 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:05:04,024 INFO L87 Difference]: Start difference. First operand 2721 states and 3412 transitions. Second operand 10 states. [2018-09-19 06:05:06,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:05:06,527 INFO L93 Difference]: Finished difference Result 5472 states and 7022 transitions. [2018-09-19 06:05:06,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:05:06,534 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 232 [2018-09-19 06:05:06,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:05:06,545 INFO L225 Difference]: With dead ends: 5472 [2018-09-19 06:05:06,545 INFO L226 Difference]: Without dead ends: 2901 [2018-09-19 06:05:06,550 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 239 GetRequests, 223 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 06:05:06,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2901 states. [2018-09-19 06:05:06,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2901 to 2876. [2018-09-19 06:05:06,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2876 states. [2018-09-19 06:05:06,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2876 states to 2876 states and 3624 transitions. [2018-09-19 06:05:06,613 INFO L78 Accepts]: Start accepts. Automaton has 2876 states and 3624 transitions. Word has length 232 [2018-09-19 06:05:06,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:05:06,613 INFO L480 AbstractCegarLoop]: Abstraction has 2876 states and 3624 transitions. [2018-09-19 06:05:06,614 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:05:06,614 INFO L276 IsEmpty]: Start isEmpty. Operand 2876 states and 3624 transitions. [2018-09-19 06:05:06,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-09-19 06:05:06,620 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:05:06,624 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:05:06,624 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:05:06,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1621023163, now seen corresponding path program 1 times [2018-09-19 06:05:06,625 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:05:06,625 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 240 with the following transitions: [2018-09-19 06:05:06,625 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [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 06:05:06,629 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:05:06,629 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:05:06,656 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:05:06,806 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:05:06,806 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 06:05:06,844 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:05:06,986 INFO L232 lantSequenceWeakener]: Weakened 236 states. On average, predicates are now at 73.44% of their original sizes. [2018-09-19 06:05:06,987 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:05:07,491 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:05:07,491 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:05:07,491 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:05:07,491 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:05:07,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:05:07,492 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:05:07,492 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:05:07,492 INFO L87 Difference]: Start difference. First operand 2876 states and 3624 transitions. Second operand 10 states. [2018-09-19 06:05:09,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:05:09,325 INFO L93 Difference]: Finished difference Result 5959 states and 7691 transitions. [2018-09-19 06:05:09,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:05:09,325 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 239 [2018-09-19 06:05:09,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:05:09,337 INFO L225 Difference]: With dead ends: 5959 [2018-09-19 06:05:09,338 INFO L226 Difference]: Without dead ends: 3233 [2018-09-19 06:05:09,343 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 246 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:05:09,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3233 states. [2018-09-19 06:05:09,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3233 to 3184. [2018-09-19 06:05:09,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3184 states. [2018-09-19 06:05:09,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3184 states to 3184 states and 4030 transitions. [2018-09-19 06:05:09,409 INFO L78 Accepts]: Start accepts. Automaton has 3184 states and 4030 transitions. Word has length 239 [2018-09-19 06:05:09,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:05:09,410 INFO L480 AbstractCegarLoop]: Abstraction has 3184 states and 4030 transitions. [2018-09-19 06:05:09,410 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:05:09,410 INFO L276 IsEmpty]: Start isEmpty. Operand 3184 states and 4030 transitions. [2018-09-19 06:05:09,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-09-19 06:05:09,416 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:05:09,416 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:05:09,416 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:05:09,417 INFO L82 PathProgramCache]: Analyzing trace with hash 348216787, now seen corresponding path program 1 times [2018-09-19 06:05:09,417 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:05:09,417 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 248 with the following transitions: [2018-09-19 06:05:09,417 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [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 06:05:09,420 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:05:09,420 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:05:09,473 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:05:09,636 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:05:09,637 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 06:05:09,673 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:05:09,822 INFO L232 lantSequenceWeakener]: Weakened 244 states. On average, predicates are now at 73.41% of their original sizes. [2018-09-19 06:05:09,822 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:05:10,045 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:05:10,046 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:05:10,046 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:05:10,046 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:05:10,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:05:10,047 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:05:10,047 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:05:10,047 INFO L87 Difference]: Start difference. First operand 3184 states and 4030 transitions. Second operand 10 states. [2018-09-19 06:05:12,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:05:12,994 INFO L93 Difference]: Finished difference Result 6547 states and 8487 transitions. [2018-09-19 06:05:12,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:05:12,995 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 247 [2018-09-19 06:05:12,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:05:13,008 INFO L225 Difference]: With dead ends: 6547 [2018-09-19 06:05:13,009 INFO L226 Difference]: Without dead ends: 3513 [2018-09-19 06:05:13,015 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 254 GetRequests, 238 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 06:05:13,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3513 states. [2018-09-19 06:05:13,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3513 to 3486. [2018-09-19 06:05:13,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3486 states. [2018-09-19 06:05:13,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3486 states to 3486 states and 4452 transitions. [2018-09-19 06:05:13,088 INFO L78 Accepts]: Start accepts. Automaton has 3486 states and 4452 transitions. Word has length 247 [2018-09-19 06:05:13,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:05:13,091 INFO L480 AbstractCegarLoop]: Abstraction has 3486 states and 4452 transitions. [2018-09-19 06:05:13,091 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:05:13,091 INFO L276 IsEmpty]: Start isEmpty. Operand 3486 states and 4452 transitions. [2018-09-19 06:05:13,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-09-19 06:05:13,097 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:05:13,098 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:05:13,098 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:05:13,098 INFO L82 PathProgramCache]: Analyzing trace with hash -1594368669, now seen corresponding path program 1 times [2018-09-19 06:05:13,099 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:05:13,099 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 252 with the following transitions: [2018-09-19 06:05:13,099 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [702], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:05:13,102 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:05:13,102 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:05:13,127 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:05:13,388 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:05:13,388 INFO L272 AbstractInterpreter]: Visited 130 different actions 634 times. Merged at 7 different actions 28 times. Never widened. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 06:05:13,426 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:05:13,601 INFO L232 lantSequenceWeakener]: Weakened 248 states. On average, predicates are now at 73.4% of their original sizes. [2018-09-19 06:05:13,601 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:05:13,727 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:05:13,728 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:05:13,728 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:05:13,728 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:05:13,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:05:13,729 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:05:13,729 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:05:13,729 INFO L87 Difference]: Start difference. First operand 3486 states and 4452 transitions. Second operand 10 states. [2018-09-19 06:05:15,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:05:15,666 INFO L93 Difference]: Finished difference Result 7025 states and 9137 transitions. [2018-09-19 06:05:15,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:05:15,667 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 251 [2018-09-19 06:05:15,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:05:15,684 INFO L225 Difference]: With dead ends: 7025 [2018-09-19 06:05:15,684 INFO L226 Difference]: Without dead ends: 3689 [2018-09-19 06:05:15,690 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 258 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:05:15,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3689 states. [2018-09-19 06:05:15,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3689 to 3649. [2018-09-19 06:05:15,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3649 states. [2018-09-19 06:05:15,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3649 states to 3649 states and 4696 transitions. [2018-09-19 06:05:15,757 INFO L78 Accepts]: Start accepts. Automaton has 3649 states and 4696 transitions. Word has length 251 [2018-09-19 06:05:15,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:05:15,758 INFO L480 AbstractCegarLoop]: Abstraction has 3649 states and 4696 transitions. [2018-09-19 06:05:15,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:05:15,758 INFO L276 IsEmpty]: Start isEmpty. Operand 3649 states and 4696 transitions. [2018-09-19 06:05:15,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-09-19 06:05:15,765 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:05:15,765 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:05:15,765 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:05:15,766 INFO L82 PathProgramCache]: Analyzing trace with hash -312613776, now seen corresponding path program 1 times [2018-09-19 06:05:15,766 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:05:15,766 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 267 with the following transitions: [2018-09-19 06:05:15,766 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [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 06:05:15,769 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:05:15,769 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:05:15,793 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:05:15,996 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:05:15,996 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 06:05:16,001 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:05:16,160 INFO L232 lantSequenceWeakener]: Weakened 263 states. On average, predicates are now at 73.36% of their original sizes. [2018-09-19 06:05:16,161 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:05:16,259 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:05:16,259 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:05:16,259 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:05:16,259 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:05:16,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:05:16,260 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:05:16,260 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:05:16,260 INFO L87 Difference]: Start difference. First operand 3649 states and 4696 transitions. Second operand 10 states. [2018-09-19 06:05:18,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:05:18,739 INFO L93 Difference]: Finished difference Result 7322 states and 9594 transitions. [2018-09-19 06:05:18,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:05:18,747 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 266 [2018-09-19 06:05:18,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:05:18,758 INFO L225 Difference]: With dead ends: 7322 [2018-09-19 06:05:18,758 INFO L226 Difference]: Without dead ends: 3823 [2018-09-19 06:05:18,764 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 273 GetRequests, 257 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 06:05:18,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3823 states. [2018-09-19 06:05:18,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3823 to 3806. [2018-09-19 06:05:18,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3806 states. [2018-09-19 06:05:18,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3806 states to 3806 states and 4906 transitions. [2018-09-19 06:05:18,846 INFO L78 Accepts]: Start accepts. Automaton has 3806 states and 4906 transitions. Word has length 266 [2018-09-19 06:05:18,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:05:18,848 INFO L480 AbstractCegarLoop]: Abstraction has 3806 states and 4906 transitions. [2018-09-19 06:05:18,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:05:18,848 INFO L276 IsEmpty]: Start isEmpty. Operand 3806 states and 4906 transitions. [2018-09-19 06:05:18,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-09-19 06:05:18,857 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:05:18,858 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:05:18,858 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:05:18,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1432446976, now seen corresponding path program 1 times [2018-09-19 06:05:18,859 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:05:18,859 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 281 with the following transitions: [2018-09-19 06:05:18,859 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [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 06:05:18,865 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:05:18,865 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:05:18,904 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:05:19,355 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:05:19,355 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 06:05:19,387 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:05:19,596 INFO L232 lantSequenceWeakener]: Weakened 277 states. On average, predicates are now at 73.33% of their original sizes. [2018-09-19 06:05:19,597 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:05:20,009 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:05:20,009 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:05:20,009 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:05:20,009 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:05:20,010 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:05:20,010 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:05:20,010 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:05:20,011 INFO L87 Difference]: Start difference. First operand 3806 states and 4906 transitions. Second operand 10 states. [2018-09-19 06:05:22,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:05:22,887 INFO L93 Difference]: Finished difference Result 8367 states and 11098 transitions. [2018-09-19 06:05:22,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:05:22,896 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 280 [2018-09-19 06:05:22,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:05:22,909 INFO L225 Difference]: With dead ends: 8367 [2018-09-19 06:05:22,909 INFO L226 Difference]: Without dead ends: 4711 [2018-09-19 06:05:22,916 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 287 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:05:22,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4711 states. [2018-09-19 06:05:22,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4711 to 4649. [2018-09-19 06:05:22,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4649 states. [2018-09-19 06:05:23,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4649 states to 4649 states and 6018 transitions. [2018-09-19 06:05:23,004 INFO L78 Accepts]: Start accepts. Automaton has 4649 states and 6018 transitions. Word has length 280 [2018-09-19 06:05:23,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:05:23,005 INFO L480 AbstractCegarLoop]: Abstraction has 4649 states and 6018 transitions. [2018-09-19 06:05:23,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:05:23,005 INFO L276 IsEmpty]: Start isEmpty. Operand 4649 states and 6018 transitions. [2018-09-19 06:05:23,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-09-19 06:05:23,015 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:05:23,015 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:05:23,016 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:05:23,016 INFO L82 PathProgramCache]: Analyzing trace with hash 2113408776, now seen corresponding path program 1 times [2018-09-19 06:05:23,016 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:05:23,016 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 289 with the following transitions: [2018-09-19 06:05:23,018 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [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 06:05:23,019 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:05:23,019 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:05:23,046 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:05:23,182 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:05:23,182 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 06:05:23,218 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:05:23,410 INFO L232 lantSequenceWeakener]: Weakened 285 states. On average, predicates are now at 73.35% of their original sizes. [2018-09-19 06:05:23,410 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:05:23,563 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:05:23,563 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:05:23,563 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:05:23,564 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:05:23,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:05:23,564 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:05:23,564 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:05:23,564 INFO L87 Difference]: Start difference. First operand 4649 states and 6018 transitions. Second operand 10 states. [2018-09-19 06:05:26,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:05:26,227 INFO L93 Difference]: Finished difference Result 9531 states and 12530 transitions. [2018-09-19 06:05:26,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:05:26,235 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 288 [2018-09-19 06:05:26,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:05:26,248 INFO L225 Difference]: With dead ends: 9531 [2018-09-19 06:05:26,249 INFO L226 Difference]: Without dead ends: 5032 [2018-09-19 06:05:26,257 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 295 GetRequests, 279 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 06:05:26,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5032 states. [2018-09-19 06:05:26,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5032 to 4977. [2018-09-19 06:05:26,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4977 states. [2018-09-19 06:05:26,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4977 states to 4977 states and 6473 transitions. [2018-09-19 06:05:26,346 INFO L78 Accepts]: Start accepts. Automaton has 4977 states and 6473 transitions. Word has length 288 [2018-09-19 06:05:26,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:05:26,347 INFO L480 AbstractCegarLoop]: Abstraction has 4977 states and 6473 transitions. [2018-09-19 06:05:26,347 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:05:26,347 INFO L276 IsEmpty]: Start isEmpty. Operand 4977 states and 6473 transitions. [2018-09-19 06:05:26,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-09-19 06:05:26,359 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:05:26,359 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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 06:05:26,359 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:05:26,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1749041648, now seen corresponding path program 1 times [2018-09-19 06:05:26,360 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:05:26,360 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 305 with the following transitions: [2018-09-19 06:05:26,360 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [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 06:05:26,362 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:05:26,362 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:05:26,387 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:05:30,564 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:05:30,564 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 06:05:30,573 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:05:31,819 INFO L232 lantSequenceWeakener]: Weakened 301 states. On average, predicates are now at 73.31% of their original sizes. [2018-09-19 06:05:31,819 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:05:31,903 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:05:31,904 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:05:31,904 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:05:31,904 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:05:31,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:05:31,904 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:05:31,905 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:05:31,905 INFO L87 Difference]: Start difference. First operand 4977 states and 6473 transitions. Second operand 10 states. [2018-09-19 06:05:34,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:05:34,720 INFO L93 Difference]: Finished difference Result 10225 states and 13506 transitions. [2018-09-19 06:05:34,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-19 06:05:34,729 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 304 [2018-09-19 06:05:34,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:05:34,749 INFO L225 Difference]: With dead ends: 10225 [2018-09-19 06:05:34,749 INFO L226 Difference]: Without dead ends: 5398 [2018-09-19 06:05:34,758 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 311 GetRequests, 295 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 06:05:34,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5398 states. [2018-09-19 06:05:34,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5398 to 5325. [2018-09-19 06:05:34,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5325 states. [2018-09-19 06:05:34,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5325 states to 5325 states and 6951 transitions. [2018-09-19 06:05:34,851 INFO L78 Accepts]: Start accepts. Automaton has 5325 states and 6951 transitions. Word has length 304 [2018-09-19 06:05:34,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:05:34,852 INFO L480 AbstractCegarLoop]: Abstraction has 5325 states and 6951 transitions. [2018-09-19 06:05:34,852 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:05:34,852 INFO L276 IsEmpty]: Start isEmpty. Operand 5325 states and 6951 transitions. [2018-09-19 06:05:34,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-09-19 06:05:34,864 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:05:34,864 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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 06:05:34,865 INFO L423 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:05:34,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1310435780, now seen corresponding path program 1 times [2018-09-19 06:05:34,865 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:05:34,865 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 307 with the following transitions: [2018-09-19 06:05:34,865 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [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 06:05:34,867 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:05:34,867 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:05:34,894 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:05:35,056 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:05:35,057 INFO L272 AbstractInterpreter]: Visited 108 different actions 528 times. Merged at 8 different actions 32 times. Never widened. Found 7 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 06:05:35,065 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:05:35,263 INFO L232 lantSequenceWeakener]: Weakened 303 states. On average, predicates are now at 73.31% of their original sizes. [2018-09-19 06:05:35,263 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:05:35,387 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:05:35,388 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:05:35,388 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:05:35,388 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:05:35,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:05:35,388 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:05:35,389 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:05:35,389 INFO L87 Difference]: Start difference. First operand 5325 states and 6951 transitions. Second operand 10 states. [2018-09-19 06:05:38,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:05:38,364 INFO L93 Difference]: Finished difference Result 12495 states and 16698 transitions. [2018-09-19 06:05:38,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:05:38,366 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 306 [2018-09-19 06:05:38,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:05:38,386 INFO L225 Difference]: With dead ends: 12495 [2018-09-19 06:05:38,386 INFO L226 Difference]: Without dead ends: 7320 [2018-09-19 06:05:38,398 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 313 GetRequests, 297 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 06:05:38,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7320 states. [2018-09-19 06:05:38,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7320 to 7265. [2018-09-19 06:05:38,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7265 states. [2018-09-19 06:05:38,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7265 states to 7265 states and 9556 transitions. [2018-09-19 06:05:38,536 INFO L78 Accepts]: Start accepts. Automaton has 7265 states and 9556 transitions. Word has length 306 [2018-09-19 06:05:38,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:05:38,536 INFO L480 AbstractCegarLoop]: Abstraction has 7265 states and 9556 transitions. [2018-09-19 06:05:38,536 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:05:38,537 INFO L276 IsEmpty]: Start isEmpty. Operand 7265 states and 9556 transitions. [2018-09-19 06:05:38,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-09-19 06:05:38,548 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:05:38,548 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:05:38,549 INFO L423 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:05:38,549 INFO L82 PathProgramCache]: Analyzing trace with hash 175534780, now seen corresponding path program 1 times [2018-09-19 06:05:38,549 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:05:38,549 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 307 with the following transitions: [2018-09-19 06:05:38,550 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:05:38,552 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:05:38,552 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:05:38,582 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:05:38,707 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:05:38,707 INFO L272 AbstractInterpreter]: Visited 104 different actions 510 times. Merged at 8 different actions 34 times. Never widened. Found 8 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 06:05:38,744 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:05:38,914 INFO L232 lantSequenceWeakener]: Weakened 303 states. On average, predicates are now at 73.31% of their original sizes. [2018-09-19 06:05:38,914 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:05:39,053 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:05:39,053 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:05:39,053 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:05:39,053 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:05:39,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:05:39,054 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:05:39,054 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:05:39,054 INFO L87 Difference]: Start difference. First operand 7265 states and 9556 transitions. Second operand 10 states. [2018-09-19 06:05:41,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:05:41,325 INFO L93 Difference]: Finished difference Result 16202 states and 21703 transitions. [2018-09-19 06:05:41,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:05:41,325 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 306 [2018-09-19 06:05:41,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:05:41,344 INFO L225 Difference]: With dead ends: 16202 [2018-09-19 06:05:41,344 INFO L226 Difference]: Without dead ends: 9087 [2018-09-19 06:05:41,358 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 313 GetRequests, 297 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 06:05:41,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9087 states. [2018-09-19 06:05:41,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9087 to 8821. [2018-09-19 06:05:41,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8821 states. [2018-09-19 06:05:41,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8821 states to 8821 states and 11487 transitions. [2018-09-19 06:05:41,522 INFO L78 Accepts]: Start accepts. Automaton has 8821 states and 11487 transitions. Word has length 306 [2018-09-19 06:05:41,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:05:41,523 INFO L480 AbstractCegarLoop]: Abstraction has 8821 states and 11487 transitions. [2018-09-19 06:05:41,523 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:05:41,523 INFO L276 IsEmpty]: Start isEmpty. Operand 8821 states and 11487 transitions. [2018-09-19 06:05:41,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-09-19 06:05:41,535 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:05:41,535 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:05:41,535 INFO L423 AbstractCegarLoop]: === Iteration 22 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:05:41,536 INFO L82 PathProgramCache]: Analyzing trace with hash -702358408, now seen corresponding path program 1 times [2018-09-19 06:05:41,536 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:05:41,536 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 317 with the following transitions: [2018-09-19 06:05:41,536 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [782], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:05:41,539 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:05:41,539 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:05:41,594 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:05:41,782 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:05:41,782 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 06:05:41,790 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:05:41,958 INFO L232 lantSequenceWeakener]: Weakened 313 states. On average, predicates are now at 73.26% of their original sizes. [2018-09-19 06:05:41,958 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:05:42,058 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:05:42,059 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:05:42,059 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:05:42,059 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:05:42,059 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:05:42,059 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:05:42,060 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:05:42,060 INFO L87 Difference]: Start difference. First operand 8821 states and 11487 transitions. Second operand 10 states. [2018-09-19 06:05:46,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:05:46,243 INFO L93 Difference]: Finished difference Result 18387 states and 24076 transitions. [2018-09-19 06:05:46,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:05:46,244 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 316 [2018-09-19 06:05:46,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:05:46,262 INFO L225 Difference]: With dead ends: 18387 [2018-09-19 06:05:46,263 INFO L226 Difference]: Without dead ends: 9716 [2018-09-19 06:05:46,273 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 323 GetRequests, 307 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 06:05:46,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9716 states. [2018-09-19 06:05:46,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9716 to 9552. [2018-09-19 06:05:46,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9552 states. [2018-09-19 06:05:46,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9552 states to 9552 states and 12465 transitions. [2018-09-19 06:05:46,429 INFO L78 Accepts]: Start accepts. Automaton has 9552 states and 12465 transitions. Word has length 316 [2018-09-19 06:05:46,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:05:46,430 INFO L480 AbstractCegarLoop]: Abstraction has 9552 states and 12465 transitions. [2018-09-19 06:05:46,430 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:05:46,430 INFO L276 IsEmpty]: Start isEmpty. Operand 9552 states and 12465 transitions. [2018-09-19 06:05:46,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2018-09-19 06:05:46,441 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:05:46,441 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:05:46,441 INFO L423 AbstractCegarLoop]: === Iteration 23 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:05:46,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1174820656, now seen corresponding path program 1 times [2018-09-19 06:05:46,442 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:05:46,442 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 325 with the following transitions: [2018-09-19 06:05:46,442 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [702], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:05:46,445 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:05:46,445 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:05:46,468 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:05:46,708 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:05:46,708 INFO L272 AbstractInterpreter]: Visited 131 different actions 774 times. Merged at 8 different actions 43 times. Widened at 1 different actions 1 times. Found 9 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 06:05:46,715 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:05:46,862 INFO L232 lantSequenceWeakener]: Weakened 321 states. On average, predicates are now at 73.28% of their original sizes. [2018-09-19 06:05:46,862 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:05:46,939 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:05:46,939 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:05:46,939 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:05:46,939 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:05:46,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:05:46,940 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:05:46,940 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:05:46,940 INFO L87 Difference]: Start difference. First operand 9552 states and 12465 transitions. Second operand 10 states. [2018-09-19 06:05:49,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:05:49,510 INFO L93 Difference]: Finished difference Result 19826 states and 26220 transitions. [2018-09-19 06:05:49,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:05:49,511 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 324 [2018-09-19 06:05:49,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:05:49,529 INFO L225 Difference]: With dead ends: 19826 [2018-09-19 06:05:49,529 INFO L226 Difference]: Without dead ends: 10424 [2018-09-19 06:05:49,540 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 331 GetRequests, 315 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 06:05:49,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10424 states. [2018-09-19 06:05:49,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10424 to 10350. [2018-09-19 06:05:49,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10350 states. [2018-09-19 06:05:49,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10350 states to 10350 states and 13664 transitions. [2018-09-19 06:05:49,681 INFO L78 Accepts]: Start accepts. Automaton has 10350 states and 13664 transitions. Word has length 324 [2018-09-19 06:05:49,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:05:49,681 INFO L480 AbstractCegarLoop]: Abstraction has 10350 states and 13664 transitions. [2018-09-19 06:05:49,681 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:05:49,681 INFO L276 IsEmpty]: Start isEmpty. Operand 10350 states and 13664 transitions. [2018-09-19 06:05:49,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-09-19 06:05:49,691 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:05:49,692 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:05:49,692 INFO L423 AbstractCegarLoop]: === Iteration 24 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:05:49,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1726502692, now seen corresponding path program 1 times [2018-09-19 06:05:49,692 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:05:49,692 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 327 with the following transitions: [2018-09-19 06:05:49,693 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:05:49,695 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:05:49,695 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:05:49,718 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:05:49,958 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:05:49,958 INFO L272 AbstractInterpreter]: Visited 119 different actions 700 times. Merged at 8 different actions 41 times. Widened at 1 different actions 1 times. Found 9 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 06:05:49,995 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:05:50,171 INFO L232 lantSequenceWeakener]: Weakened 323 states. On average, predicates are now at 73.27% of their original sizes. [2018-09-19 06:05:50,171 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:05:50,249 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:05:50,250 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:05:50,250 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:05:50,250 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:05:50,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:05:50,251 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:05:50,251 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:05:50,251 INFO L87 Difference]: Start difference. First operand 10350 states and 13664 transitions. Second operand 10 states. [2018-09-19 06:05:52,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:05:52,710 INFO L93 Difference]: Finished difference Result 21036 states and 27952 transitions. [2018-09-19 06:05:52,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:05:52,710 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 326 [2018-09-19 06:05:52,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:05:52,734 INFO L225 Difference]: With dead ends: 21036 [2018-09-19 06:05:52,734 INFO L226 Difference]: Without dead ends: 10836 [2018-09-19 06:05:52,747 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 333 GetRequests, 317 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 06:05:52,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10836 states. [2018-09-19 06:05:52,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10836 to 10710. [2018-09-19 06:05:52,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10710 states. [2018-09-19 06:05:52,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10710 states to 10710 states and 14126 transitions. [2018-09-19 06:05:52,938 INFO L78 Accepts]: Start accepts. Automaton has 10710 states and 14126 transitions. Word has length 326 [2018-09-19 06:05:52,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:05:52,938 INFO L480 AbstractCegarLoop]: Abstraction has 10710 states and 14126 transitions. [2018-09-19 06:05:52,938 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:05:52,938 INFO L276 IsEmpty]: Start isEmpty. Operand 10710 states and 14126 transitions. [2018-09-19 06:05:52,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-09-19 06:05:52,956 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:05:52,957 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:05:52,957 INFO L423 AbstractCegarLoop]: === Iteration 25 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:05:52,957 INFO L82 PathProgramCache]: Analyzing trace with hash -169256620, now seen corresponding path program 1 times [2018-09-19 06:05:52,957 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:05:52,957 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 327 with the following transitions: [2018-09-19 06:05:52,958 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [674], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:05:52,960 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:05:52,960 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:05:52,990 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:05:53,268 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:05:53,268 INFO L272 AbstractInterpreter]: Visited 124 different actions 732 times. Merged at 8 different actions 43 times. Widened at 1 different actions 1 times. Found 10 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 06:05:53,302 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:05:53,513 INFO L232 lantSequenceWeakener]: Weakened 323 states. On average, predicates are now at 73.27% of their original sizes. [2018-09-19 06:05:53,513 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:05:53,727 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:05:53,727 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:05:53,727 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:05:53,727 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:05:53,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:05:53,728 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:05:53,728 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:05:53,728 INFO L87 Difference]: Start difference. First operand 10710 states and 14126 transitions. Second operand 10 states. [2018-09-19 06:05:56,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:05:56,391 INFO L93 Difference]: Finished difference Result 22957 states and 30637 transitions. [2018-09-19 06:05:56,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:05:56,392 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 326 [2018-09-19 06:05:56,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:05:56,413 INFO L225 Difference]: With dead ends: 22957 [2018-09-19 06:05:56,413 INFO L226 Difference]: Without dead ends: 12397 [2018-09-19 06:05:56,427 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 333 GetRequests, 317 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 06:05:56,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12397 states. [2018-09-19 06:05:56,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12397 to 12226. [2018-09-19 06:05:56,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12226 states. [2018-09-19 06:05:56,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12226 states to 12226 states and 16091 transitions. [2018-09-19 06:05:56,619 INFO L78 Accepts]: Start accepts. Automaton has 12226 states and 16091 transitions. Word has length 326 [2018-09-19 06:05:56,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:05:56,619 INFO L480 AbstractCegarLoop]: Abstraction has 12226 states and 16091 transitions. [2018-09-19 06:05:56,619 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:05:56,619 INFO L276 IsEmpty]: Start isEmpty. Operand 12226 states and 16091 transitions. [2018-09-19 06:05:56,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-09-19 06:05:56,628 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:05:56,628 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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 06:05:56,628 INFO L423 AbstractCegarLoop]: === Iteration 26 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:05:56,629 INFO L82 PathProgramCache]: Analyzing trace with hash -1099562020, now seen corresponding path program 1 times [2018-09-19 06:05:56,629 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:05:56,629 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 335 with the following transitions: [2018-09-19 06:05:56,629 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [542], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [706], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:05:56,631 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:05:56,631 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:05:56,655 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:05:56,857 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:05:56,858 INFO L272 AbstractInterpreter]: Visited 132 different actions 648 times. Merged at 8 different actions 32 times. Never widened. Found 7 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 06:05:56,862 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:05:57,022 INFO L232 lantSequenceWeakener]: Weakened 331 states. On average, predicates are now at 73.26% of their original sizes. [2018-09-19 06:05:57,023 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:05:57,100 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:05:57,100 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:05:57,100 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:05:57,101 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:05:57,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:05:57,101 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:05:57,101 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:05:57,102 INFO L87 Difference]: Start difference. First operand 12226 states and 16091 transitions. Second operand 10 states. [2018-09-19 06:06:00,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:06:00,332 INFO L93 Difference]: Finished difference Result 27351 states and 36318 transitions. [2018-09-19 06:06:00,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-19 06:06:00,332 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 334 [2018-09-19 06:06:00,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:06:00,356 INFO L225 Difference]: With dead ends: 27351 [2018-09-19 06:06:00,356 INFO L226 Difference]: Without dead ends: 15275 [2018-09-19 06:06:00,372 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 341 GetRequests, 325 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 06:06:00,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15275 states. [2018-09-19 06:06:00,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15275 to 15041. [2018-09-19 06:06:00,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15041 states. [2018-09-19 06:06:00,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15041 states to 15041 states and 19851 transitions. [2018-09-19 06:06:00,608 INFO L78 Accepts]: Start accepts. Automaton has 15041 states and 19851 transitions. Word has length 334 [2018-09-19 06:06:00,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:06:00,609 INFO L480 AbstractCegarLoop]: Abstraction has 15041 states and 19851 transitions. [2018-09-19 06:06:00,609 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:06:00,609 INFO L276 IsEmpty]: Start isEmpty. Operand 15041 states and 19851 transitions. [2018-09-19 06:06:00,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2018-09-19 06:06:00,616 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:06:00,617 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:06:00,617 INFO L423 AbstractCegarLoop]: === Iteration 27 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:06:00,617 INFO L82 PathProgramCache]: Analyzing trace with hash -1468549077, now seen corresponding path program 1 times [2018-09-19 06:06:00,617 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:06:00,618 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 338 with the following transitions: [2018-09-19 06:06:00,618 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [566], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [694], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:06:00,620 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:06:00,620 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:06:00,641 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:06:03,141 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-09-19 06:06:03,141 INFO L272 AbstractInterpreter]: Visited 130 different actions 634 times. Merged at 8 different actions 32 times. Never widened. Found 7 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 06:06:03,143 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-19 06:06:03,191 WARN L209 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2018-09-19 06:06:03,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 06:06:03 BoogieIcfgContainer [2018-09-19 06:06:03,191 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 06:06:03,192 INFO L168 Benchmark]: Toolchain (without parser) took 110260.14 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 3.4 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-09-19 06:06:03,194 INFO L168 Benchmark]: CDTParser took 0.25 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 06:06:03,194 INFO L168 Benchmark]: CACSL2BoogieTranslator took 705.93 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: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. [2018-09-19 06:06:03,195 INFO L168 Benchmark]: Boogie Procedure Inliner took 132.25 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 06:06:03,195 INFO L168 Benchmark]: Boogie Preprocessor took 246.68 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 767.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -862.8 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. [2018-09-19 06:06:03,196 INFO L168 Benchmark]: RCFGBuilder took 3565.98 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: 108.4 MB). Peak memory consumption was 108.4 MB. Max. memory is 7.1 GB. [2018-09-19 06:06:03,197 INFO L168 Benchmark]: TraceAbstraction took 105602.93 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 3.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-09-19 06:06:03,201 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 705.93 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: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 132.25 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 246.68 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 767.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -862.8 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3565.98 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: 108.4 MB). Peak memory consumption was 108.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 105602.93 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 3.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 157]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L7] int inputC = 3; [L8] int inputD = 4; [L9] int inputE = 5; [L10] int inputF = 6; [L11] int inputB = 2; [L14] int a1 = 23; [L15] int a19 = 9; [L16] int a10 = 0; [L17] int a12 = 0; [L18] int a4 = 14; [L579] int output = -1; [L582] COND TRUE 1 [L585] int input; [L586] input = __VERIFIER_nondet_int() [L587] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L590] CALL, EXPR calculate_output(input) [L21] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L24] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L27] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L30] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L33] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L36] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L39] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L42] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L45] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L48] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L51] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L54] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L57] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L60] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L63] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L66] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L69] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L72] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L75] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L78] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L81] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L84] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L87] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L90] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L93] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L96] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L99] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L102] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L105] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L108] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L111] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L114] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L117] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L120] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L123] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L126] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L129] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L132] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L135] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L138] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L141] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L144] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L147] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L150] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L153] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L156] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L159] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L162] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L165] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L168] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L171] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L174] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L177] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L180] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L183] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L186] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L189] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L192] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L195] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L198] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L201] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L205] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L210] COND TRUE ((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0))) [L211] a1 = (((a1 + -15535) - 211896) / 5) [L212] a10 = 2 [L214] RET return 22; [L590] EXPR calculate_output(input) [L590] output = calculate_output(input) [L582] COND TRUE 1 [L585] int input; [L586] input = __VERIFIER_nondet_int() [L587] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L590] CALL, EXPR calculate_output(input) [L21] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L24] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L27] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L30] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L33] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L36] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L39] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L42] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L45] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L48] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L51] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L54] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L57] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L60] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L63] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L66] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L69] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L72] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L75] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L78] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L81] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L84] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L87] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L90] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L93] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L96] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L99] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L102] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L105] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L108] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L111] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L114] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L117] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L120] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L123] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L126] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L129] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L132] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L135] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L138] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L141] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L144] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L147] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L150] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L153] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L156] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L159] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L162] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L165] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L168] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L171] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L174] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L177] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L180] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L183] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L186] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L189] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L192] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L195] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L198] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L201] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L205] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L210] COND FALSE !(((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0)))) [L215] COND FALSE !(((((a4==14) && ((a19==10) && ((a10==1) && (input == 2)))) && (a12==0)) && 218 < a1 )) [L220] COND FALSE !(((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14)))))) [L225] COND FALSE !(((a19==10) && (((a4==14) && (((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ((a10==0) && 218 < a1 )) || ((a10==1) && a1 <= -13 )) && (input == 5))) && (a12==0)))) [L231] COND FALSE !(((a12==0) && ((a19==9) && (((a4==14) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a10==3))))) [L236] COND FALSE !(((a12==0) && ((((a4==14) && ((input == 3) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a10==2)) && (a19==9)))) [L239] COND FALSE !((((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (((input == 3) && (a19==10)) && (a4==14)))) && (a10==1))) [L244] COND FALSE !((((a19==9) && (((input == 6) && (( 218 < a1 && (a10==0)) || ( a1 <= -13 && (a10==1)))) && (a4==14))) && (a12==0))) [L249] COND FALSE !(( ((38 < a1) && (218 >= a1)) && (((a4==14) && ((a19==10) && ((a10==1) && (input == 4)))) && (a12==0)))) [L254] COND FALSE !((((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5)) && (a19==9)) && (a12==0))) && (a10==0))) [L260] COND FALSE !((((a4==14) && ((((((a10==2) && ((38 < a1) && (218 >= a1)) ) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3))) && (input == 2)) && (a19==9))) && (a12==0))) [L265] COND FALSE !((((a10==1) && (((a12==0) && ((input == 6) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a4==14))) && (a19==9))) [L271] COND FALSE !(((((((input == 5) && (a4==14)) && 218 < a1 ) && (a10==4)) && (a19==9)) && (a12==0))) [L277] COND FALSE !(((a19==10) && ((a4==14) && ((a12==0) && ((input == 4) && ((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0))) || ((a10==1) && a1 <= -13 ))))))) [L283] COND FALSE !((((a12==0) && ((((a19==9) && (input == 4)) && 218 < a1 ) && (a10==1))) && (a4==14))) [L286] COND FALSE !(((a10==1) && ((a4==14) && ((((a12==0) && (input == 2)) && (a19==9)) && 218 < a1 )))) [L291] COND FALSE !((((a4==14) && (((input == 4) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3)))) && (a19==9))) && (a12==0))) [L296] COND TRUE ((((a12==0) && ((((a10==0) && 218 < a1 ) || ((a10==1) && a1 <= -13 )) && (input == 2))) && (a19==9)) && (a4==14)) [L297] a1 = ((((((a1 * 9)/ 10) % 299993)+ -300005) / 5) + -75819) [L298] a10 = 4 [L300] RET return 26; [L590] EXPR calculate_output(input) [L590] output = calculate_output(input) [L582] COND TRUE 1 [L585] int input; [L586] input = __VERIFIER_nondet_int() [L587] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L590] CALL, EXPR calculate_output(input) [L21] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L24] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L27] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L30] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L33] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L36] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L39] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L42] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L45] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L48] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L51] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L54] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L57] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L60] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L63] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L66] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L69] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L72] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L75] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L78] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L81] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L84] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L87] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L90] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L93] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L96] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L99] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L102] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L105] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L108] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L111] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L114] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L117] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L120] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L123] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L126] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L129] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L132] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L135] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L138] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L141] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L144] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L147] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L150] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L153] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L156] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L159] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L162] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L165] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L168] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L171] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L174] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L177] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L180] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L183] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L186] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L189] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L192] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L195] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L198] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L201] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L205] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L210] COND FALSE !(((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0)))) [L215] COND FALSE !(((((a4==14) && ((a19==10) && ((a10==1) && (input == 2)))) && (a12==0)) && 218 < a1 )) [L220] COND FALSE !(((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14)))))) [L225] COND FALSE !(((a19==10) && (((a4==14) && (((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ((a10==0) && 218 < a1 )) || ((a10==1) && a1 <= -13 )) && (input == 5))) && (a12==0)))) [L231] COND FALSE !(((a12==0) && ((a19==9) && (((a4==14) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a10==3))))) [L236] COND FALSE !(((a12==0) && ((((a4==14) && ((input == 3) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a10==2)) && (a19==9)))) [L239] COND FALSE !((((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (((input == 3) && (a19==10)) && (a4==14)))) && (a10==1))) [L244] COND FALSE !((((a19==9) && (((input == 6) && (( 218 < a1 && (a10==0)) || ( a1 <= -13 && (a10==1)))) && (a4==14))) && (a12==0))) [L249] COND FALSE !(( ((38 < a1) && (218 >= a1)) && (((a4==14) && ((a19==10) && ((a10==1) && (input == 4)))) && (a12==0)))) [L254] COND FALSE !((((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5)) && (a19==9)) && (a12==0))) && (a10==0))) [L260] COND FALSE !((((a4==14) && ((((((a10==2) && ((38 < a1) && (218 >= a1)) ) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3))) && (input == 2)) && (a19==9))) && (a12==0))) [L265] COND FALSE !((((a10==1) && (((a12==0) && ((input == 6) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a4==14))) && (a19==9))) [L271] COND FALSE !(((((((input == 5) && (a4==14)) && 218 < a1 ) && (a10==4)) && (a19==9)) && (a12==0))) [L277] COND FALSE !(((a19==10) && ((a4==14) && ((a12==0) && ((input == 4) && ((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0))) || ((a10==1) && a1 <= -13 ))))))) [L283] COND FALSE !((((a12==0) && ((((a19==9) && (input == 4)) && 218 < a1 ) && (a10==1))) && (a4==14))) [L286] COND FALSE !(((a10==1) && ((a4==14) && ((((a12==0) && (input == 2)) && (a19==9)) && 218 < a1 )))) [L291] COND FALSE !((((a4==14) && (((input == 4) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3)))) && (a19==9))) && (a12==0))) [L296] COND FALSE !(((((a12==0) && ((((a10==0) && 218 < a1 ) || ((a10==1) && a1 <= -13 )) && (input == 2))) && (a19==9)) && (a4==14))) [L301] COND FALSE !((((a4==14) && ((a12==0) && ((input == 3) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))))) && (a19==9))) [L306] COND FALSE !((((((a10==1) && ((a12==0) && (input == 6))) && (a19==10)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14))) [L312] COND FALSE !(((a19==9) && (((a10==4) && ( 218 < a1 && ((a4==14) && (input == 6)))) && (a12==0)))) [L317] COND FALSE !((((a10==0) && ((a12==0) && (((input == 4) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)))) && (a4==14))) [L320] COND FALSE !(((a19==9) && ((((a4==14) && ((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a12==0)) && (a10==2)))) [L323] COND FALSE !((((((a12==0) && ((input == 4) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a19==9)) && (a4==14)) && (a10==3))) [L326] COND FALSE !((((a4==14) && (((a12==0) && ( 218 < a1 && (input == 6))) && (a19==10))) && (a10==1))) [L329] COND FALSE !(((((((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a10==0)) && (a4==14)) && (a12==0))) [L335] COND FALSE !((((((( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 )) && (input == 3)) && (a4==14)) && (a12==0)) && (a19==9))) [L340] COND FALSE !(((a12==0) && ((a19==9) && (((input == 6) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))) && (a4==14))))) [L345] COND FALSE !((((a10==3) && (((a19==9) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5))) && (a12==0))) && (a4==14))) [L351] COND FALSE !((((a12==0) && ((a10==1) && ( 218 < a1 && ((a19==9) && (input == 6))))) && (a4==14))) [L354] COND FALSE !(((a10==0) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 3)) && (a19==10)) && (a4==14))))) [L357] COND FALSE !((((a10==4) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a4==14)) && (a19==9))) && (a12==0))) [L360] COND FALSE !(((a4==14) && ((a10==1) && ((a19==9) && ((a12==0) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4))))))) [L365] COND FALSE !(((a4==14) && ((a19==9) && (((( a1 <= -13 && (a10==3)) || (( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 ))) && (input == 3)) && (a12==0))))) [L370] COND FALSE !((((((a4==14) && ((input == 6) && (a10==1))) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a19==10))) [L375] COND FALSE !(((a4==14) && (((a12==0) && ( 218 < a1 && ((a19==9) && (input == 3)))) && (a10==4)))) [L378] COND FALSE !((((a4==14) && ((a12==0) && ((((a10==3) && 218 < a1 ) || ((a10==4) && a1 <= -13 )) && (input == 4)))) && (a19==9))) [L383] COND FALSE !((((a12==0) && (((a10==4) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 3))) && (a4==14))) && (a19==9))) [L388] COND FALSE !(((a19==9) && ((a4==14) && (((input == 5) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ((a10==3) && a1 <= -13 ))) && (a12==0))))) [L393] COND FALSE !(((a12==0) && (((a19==9) && ((((a10==0) && 218 < a1 ) || ( a1 <= -13 && (a10==1))) && (input == 5))) && (a4==14)))) [L398] COND FALSE !(( 218 < a1 && ((((a12==0) && ((a19==9) && (input == 2))) && (a10==4)) && (a4==14)))) [L403] COND FALSE !((((a12==0) && ((a19==9) && ((((a10==3) && a1 <= -13 ) || (((a10==2) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==2)))) && (input == 6)))) && (a4==14))) [L408] COND FALSE !(((a19==9) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 5)) && (a4==14)) && (a10==2))))) [L414] COND FALSE !((((a10==1) && (((a12==0) && ((a19==10) && (input == 4))) && ((-13 < a1) && (38 >= a1)) )) && (a4==14))) [L419] COND FALSE !(((a12==0) && ((a4==14) && ( 218 < a1 && (((a10==1) && (input == 4)) && (a19==10)))))) [L425] COND FALSE !(((((((input == 3) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a10==0)) && (a19==9)) && (a4==14)) && (a12==0))) [L430] COND FALSE !((((a4==14) && (((( a1 <= -13 && (a10==1)) || (((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0)))) && (input == 6)) && (a19==10))) && (a12==0))) [L436] COND FALSE !(((a19==9) && ((((input == 4) && (( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 ))) && (a12==0)) && (a4==14)))) [L442] COND FALSE !((((a19==10) && ((a12==0) && ((((a10==1) && a1 <= -13 ) || (( ((38 < a1) && (218 >= a1)) && (a10==0)) || ((a10==0) && 218 < a1 ))) && (input == 3)))) && (a4==14))) [L448] COND TRUE ((a19==9) && (((a4==14) && ((((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4))) && (input == 5))) && (a12==0))) [L449] a1 = ((((((a1 % 25)- -12) - 0) * 5) % 25)- -13) [L450] a10 = 3 [L451] a19 = 6 [L453] RET return -1; [L590] EXPR calculate_output(input) [L590] output = calculate_output(input) [L582] COND TRUE 1 [L585] int input; [L586] input = __VERIFIER_nondet_int() [L587] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L590] CALL calculate_output(input) [L21] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L24] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L27] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L30] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L33] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L36] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L39] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L42] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L45] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L48] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L51] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L54] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L57] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L60] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L63] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L66] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L69] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L72] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L75] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L78] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L81] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L84] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L87] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L90] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L93] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L96] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L99] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L102] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L105] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L108] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L111] COND 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 TRUE (((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7)) [L157] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. UNKNOWN Result, 105.5s OverallTime, 27 OverallIterations, 4 TraceHistogramMax, 76.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4771 SDtfs, 16240 SDslu, 9988 SDs, 0 SdLazy, 51343 SolverSat, 4767 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 61.9s Time, PredicateUnifierStatistics: 52 DeclaredPredicates, 6485 GetRequests, 6084 SyntacticMatches, 0 SemanticMatches, 401 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1001 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15041occurred in iteration=26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 15.3s AbstIntTime, 27 AbstIntIterations, 26 AbstIntStrong, 0.9968661563479767 AbsIntWeakeningRatio, 0.10941475826972011 AbsIntAvgWeakeningVarsNumRemoved, 19.39917302798982 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.3s AutomataMinimizationTime, 26 MinimizatonAttempts, 1619 StatesRemovedByMinimization, 26 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label35_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_06-06-03-216.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label35_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_06-06-03-216.csv Received shutdown request...