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_label36_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 06:04:12,479 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 06:04:12,482 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 06:04:12,500 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 06:04:12,500 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 06:04:12,502 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 06:04:12,504 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 06:04:12,506 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 06:04:12,508 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 06:04:12,511 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 06:04:12,513 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 06:04:12,513 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 06:04:12,514 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 06:04:12,517 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 06:04:12,518 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 06:04:12,518 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 06:04:12,519 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 06:04:12,530 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 06:04:12,533 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 06:04:12,536 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 06:04:12,537 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 06:04:12,539 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 06:04:12,541 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 06:04:12,542 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 06:04:12,542 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 06:04:12,546 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 06:04:12,547 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 06:04:12,548 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 06:04:12,551 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 06:04:12,553 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 06:04:12,553 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 06:04:12,554 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-19 06:04:12,556 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 06:04:12,588 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 06:04:12,589 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 06:04:12,593 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 06:04:12,594 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 06:04:12,594 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 06:04:12,594 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 06:04:12,594 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-19 06:04:12,594 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 06:04:12,595 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-19 06:04:12,595 INFO L133 SettingsManager]: * Abstract domain=IntervalDomain [2018-09-19 06:04:12,595 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 06:04:12,595 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 06:04:12,595 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 06:04:12,596 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 06:04:12,596 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 06:04:12,598 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 06:04:12,598 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 06:04:12,598 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 06:04:12,598 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 06:04:12,598 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 06:04:12,598 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 06:04:12,599 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 06:04:12,599 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 06:04:12,599 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 06:04:12,599 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 06:04:12,601 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 06:04:12,601 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 06:04:12,601 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 06:04:12,601 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 06:04:12,602 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 06:04:12,602 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 06:04:12,602 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 06:04:12,602 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 06:04:12,602 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 06:04:12,603 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 06:04:12,670 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 06:04:12,683 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 06:04:12,687 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 06:04:12,689 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 06:04:12,689 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 06:04:12,690 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label36_true-unreach-call.c [2018-09-19 06:04:13,034 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd02b7fe3/12c8ec176ff040649068ff03eb9e36c1/FLAG3b1b9b3c8 [2018-09-19 06:04:13,283 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 06:04:13,284 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label36_true-unreach-call.c [2018-09-19 06:04:13,310 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd02b7fe3/12c8ec176ff040649068ff03eb9e36c1/FLAG3b1b9b3c8 [2018-09-19 06:04:13,334 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd02b7fe3/12c8ec176ff040649068ff03eb9e36c1 [2018-09-19 06:04:13,346 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 06:04:13,350 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 06:04:13,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 06:04:13,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 06:04:13,360 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 06:04:13,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 06:04:13" (1/1) ... [2018-09-19 06:04:13,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c40084a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:04:13, skipping insertion in model container [2018-09-19 06:04:13,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 06:04:13" (1/1) ... [2018-09-19 06:04:13,377 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 06:04:13,874 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 06:04:13,892 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 06:04:14,018 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 06:04:14,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:04:14 WrapperNode [2018-09-19 06:04:14,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 06:04:14,071 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 06:04:14,071 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 06:04:14,071 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 06:04:14,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:04:14" (1/1) ... [2018-09-19 06:04:14,105 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:04:14" (1/1) ... [2018-09-19 06:04:14,161 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 06:04:14,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 06:04:14,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 06:04:14,162 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 06:04:14,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:04:14" (1/1) ... [2018-09-19 06:04:14,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:04:14" (1/1) ... [2018-09-19 06:04:14,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:04:14" (1/1) ... [2018-09-19 06:04:14,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:04:14" (1/1) ... [2018-09-19 06:04:14,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:04:14" (1/1) ... [2018-09-19 06:04:14,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:04:14" (1/1) ... [2018-09-19 06:04:14,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:04:14" (1/1) ... [2018-09-19 06:04:14,411 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 06:04:14,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 06:04:14,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 06:04:14,412 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 06:04:14,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:04:14" (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 06:04:14,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 06:04:14,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 06:04:14,493 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-19 06:04:14,493 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-19 06:04:14,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 06:04:14,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 06:04:14,493 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 06:04:14,494 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 06:04:18,080 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 06:04:18,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 06:04:18 BoogieIcfgContainer [2018-09-19 06:04:18,081 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 06:04:18,082 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 06:04:18,082 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 06:04:18,086 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 06:04:18,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 06:04:13" (1/3) ... [2018-09-19 06:04:18,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@430dba69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 06:04:18, skipping insertion in model container [2018-09-19 06:04:18,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:04:14" (2/3) ... [2018-09-19 06:04:18,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@430dba69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 06:04:18, skipping insertion in model container [2018-09-19 06:04:18,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 06:04:18" (3/3) ... [2018-09-19 06:04:18,090 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label36_true-unreach-call.c [2018-09-19 06:04:18,101 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 06:04:18,110 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 06:04:18,162 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 06:04:18,163 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 06:04:18,163 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 06:04:18,163 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 06:04:18,163 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 06:04:18,163 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 06:04:18,164 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 06:04:18,164 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 06:04:18,164 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 06:04:18,191 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-09-19 06:04:18,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-19 06:04:18,201 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:04:18,202 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] [2018-09-19 06:04:18,204 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:04:18,210 INFO L82 PathProgramCache]: Analyzing trace with hash -7982076, now seen corresponding path program 1 times [2018-09-19 06:04:18,212 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:04:18,213 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 47 with the following transitions: [2018-09-19 06:04:18,215 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], [269], [271], [796], [800], [806], [810], [817], [818], [819], [821] [2018-09-19 06:04:18,254 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:04:18,255 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:04:18,498 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:04:18,500 INFO L272 AbstractInterpreter]: Visited 45 different actions 45 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-09-19 06:04:18,545 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:04:18,703 INFO L232 lantSequenceWeakener]: Weakened 43 states. On average, predicates are now at 74.92% of their original sizes. [2018-09-19 06:04:18,704 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:04:18,940 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:04:18,942 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:04:18,942 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-19 06:04:18,942 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:04:18,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-19 06:04:18,959 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-19 06:04:18,960 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 06:04:18,964 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 6 states. [2018-09-19 06:04:22,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:04:22,622 INFO L93 Difference]: Finished difference Result 576 states and 995 transitions. [2018-09-19 06:04:22,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-19 06:04:22,624 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 46 [2018-09-19 06:04:22,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:04:22,641 INFO L225 Difference]: With dead ends: 576 [2018-09-19 06:04:22,642 INFO L226 Difference]: Without dead ends: 358 [2018-09-19 06:04:22,649 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 45 GetRequests, 41 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 06:04:22,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2018-09-19 06:04:22,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 356. [2018-09-19 06:04:22,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-09-19 06:04:22,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 497 transitions. [2018-09-19 06:04:22,727 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 497 transitions. Word has length 46 [2018-09-19 06:04:22,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:04:22,727 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 497 transitions. [2018-09-19 06:04:22,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-19 06:04:22,728 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 497 transitions. [2018-09-19 06:04:22,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-09-19 06:04:22,734 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:04:22,734 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:04:22,735 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:04:22,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1964650637, now seen corresponding path program 1 times [2018-09-19 06:04:22,735 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:04:22,735 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 118 with the following transitions: [2018-09-19 06:04:22,736 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], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:04:22,743 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:04:22,743 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:04:22,856 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:04:22,973 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:04:22,974 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 06:04:23,011 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:04:23,205 INFO L232 lantSequenceWeakener]: Weakened 114 states. On average, predicates are now at 73.63% of their original sizes. [2018-09-19 06:04:23,205 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:04:23,568 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:04:23,569 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:04:23,569 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:04:23,569 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:04:23,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:04:23,571 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:04:23,571 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:04:23,571 INFO L87 Difference]: Start difference. First operand 356 states and 497 transitions. Second operand 10 states. [2018-09-19 06:04:26,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:04:26,922 INFO L93 Difference]: Finished difference Result 717 states and 1132 transitions. [2018-09-19 06:04:26,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-19 06:04:26,927 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 117 [2018-09-19 06:04:26,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:04:26,933 INFO L225 Difference]: With dead ends: 717 [2018-09-19 06:04:26,933 INFO L226 Difference]: Without dead ends: 511 [2018-09-19 06:04:26,936 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 123 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-09-19 06:04:26,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2018-09-19 06:04:26,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 505. [2018-09-19 06:04:26,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2018-09-19 06:04:26,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 669 transitions. [2018-09-19 06:04:26,969 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 669 transitions. Word has length 117 [2018-09-19 06:04:26,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:04:26,970 INFO L480 AbstractCegarLoop]: Abstraction has 505 states and 669 transitions. [2018-09-19 06:04:26,971 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:04:26,971 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 669 transitions. [2018-09-19 06:04:26,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-09-19 06:04:26,974 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:04:26,974 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:04:26,975 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:04:26,975 INFO L82 PathProgramCache]: Analyzing trace with hash 136907192, now seen corresponding path program 1 times [2018-09-19 06:04:26,975 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:04:26,975 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 127 with the following transitions: [2018-09-19 06:04:26,976 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:04:26,980 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:04:26,981 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:04:27,088 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:04:27,205 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:04:27,206 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 06:04:27,241 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:04:27,384 INFO L232 lantSequenceWeakener]: Weakened 123 states. On average, predicates are now at 73.57% of their original sizes. [2018-09-19 06:04:27,384 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:04:27,876 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:04:27,877 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:04:27,877 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:04:27,877 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:04:27,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:04:27,878 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:04:27,878 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:04:27,879 INFO L87 Difference]: Start difference. First operand 505 states and 669 transitions. Second operand 10 states. [2018-09-19 06:04:34,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:04:34,071 INFO L93 Difference]: Finished difference Result 1149 states and 1736 transitions. [2018-09-19 06:04:34,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:04:34,073 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 126 [2018-09-19 06:04:34,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:04:34,078 INFO L225 Difference]: With dead ends: 1149 [2018-09-19 06:04:34,078 INFO L226 Difference]: Without dead ends: 794 [2018-09-19 06:04:34,080 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 133 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:04:34,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2018-09-19 06:04:34,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 783. [2018-09-19 06:04:34,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 783 states. [2018-09-19 06:04:34,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 1001 transitions. [2018-09-19 06:04:34,114 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 1001 transitions. Word has length 126 [2018-09-19 06:04:34,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:04:34,115 INFO L480 AbstractCegarLoop]: Abstraction has 783 states and 1001 transitions. [2018-09-19 06:04:34,115 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:04:34,116 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1001 transitions. [2018-09-19 06:04:34,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-09-19 06:04:34,120 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:04:34,120 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:04:34,120 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:04:34,121 INFO L82 PathProgramCache]: Analyzing trace with hash -1000782800, now seen corresponding path program 1 times [2018-09-19 06:04:34,121 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:04:34,121 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 163 with the following transitions: [2018-09-19 06:04:34,122 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], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:04:34,127 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:04:34,127 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:04:34,204 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:04:34,391 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:04:34,391 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 06:04:34,433 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:04:34,612 INFO L232 lantSequenceWeakener]: Weakened 159 states. On average, predicates are now at 73.38% of their original sizes. [2018-09-19 06:04:34,613 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:04:35,154 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:04:35,154 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:04:35,154 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:04:35,154 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:04:35,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:04:35,156 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:04:35,156 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:04:35,156 INFO L87 Difference]: Start difference. First operand 783 states and 1001 transitions. Second operand 10 states. [2018-09-19 06:04:39,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:04:39,467 INFO L93 Difference]: Finished difference Result 1723 states and 2332 transitions. [2018-09-19 06:04:39,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-19 06:04:39,467 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 162 [2018-09-19 06:04:39,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:04:39,475 INFO L225 Difference]: With dead ends: 1723 [2018-09-19 06:04:39,475 INFO L226 Difference]: Without dead ends: 1090 [2018-09-19 06:04:39,478 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 168 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-09-19 06:04:39,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1090 states. [2018-09-19 06:04:39,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1090 to 1081. [2018-09-19 06:04:39,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1081 states. [2018-09-19 06:04:39,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 1351 transitions. [2018-09-19 06:04:39,510 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 1351 transitions. Word has length 162 [2018-09-19 06:04:39,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:04:39,510 INFO L480 AbstractCegarLoop]: Abstraction has 1081 states and 1351 transitions. [2018-09-19 06:04:39,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:04:39,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1351 transitions. [2018-09-19 06:04:39,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-09-19 06:04:39,514 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:04:39,514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:04:39,515 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:04:39,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1424928013, now seen corresponding path program 1 times [2018-09-19 06:04:39,515 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:04:39,515 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 182 with the following transitions: [2018-09-19 06:04:39,516 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], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [754], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:04:39,521 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:04:39,521 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:04:39,713 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:04:39,714 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 06:04:39,750 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:04:39,897 INFO L232 lantSequenceWeakener]: Weakened 178 states. On average, predicates are now at 73.31% of their original sizes. [2018-09-19 06:04:39,898 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:04:40,096 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:04:40,097 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:04:40,097 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:04:40,097 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:04:40,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:04:40,098 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:04:40,098 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:04:40,099 INFO L87 Difference]: Start difference. First operand 1081 states and 1351 transitions. Second operand 10 states. [2018-09-19 06:04:41,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:04:41,989 INFO L93 Difference]: Finished difference Result 2464 states and 3201 transitions. [2018-09-19 06:04:41,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-19 06:04:41,997 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 181 [2018-09-19 06:04:41,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:04:42,005 INFO L225 Difference]: With dead ends: 2464 [2018-09-19 06:04:42,006 INFO L226 Difference]: Without dead ends: 1533 [2018-09-19 06:04:42,009 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 187 GetRequests, 172 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 06:04:42,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2018-09-19 06:04:42,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1521. [2018-09-19 06:04:42,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1521 states. [2018-09-19 06:04:42,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 1842 transitions. [2018-09-19 06:04:42,054 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 1842 transitions. Word has length 181 [2018-09-19 06:04:42,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:04:42,055 INFO L480 AbstractCegarLoop]: Abstraction has 1521 states and 1842 transitions. [2018-09-19 06:04:42,055 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:04:42,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 1842 transitions. [2018-09-19 06:04:42,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-09-19 06:04:42,059 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:04:42,059 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:04:42,060 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:04:42,060 INFO L82 PathProgramCache]: Analyzing trace with hash 1404946927, now seen corresponding path program 1 times [2018-09-19 06:04:42,060 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:04:42,060 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 194 with the following transitions: [2018-09-19 06:04:42,061 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], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [518], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:04:42,063 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:04:42,064 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:04:42,094 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:04:42,170 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:04:42,171 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 06:04:42,208 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:04:42,318 INFO L232 lantSequenceWeakener]: Weakened 190 states. On average, predicates are now at 73.32% of their original sizes. [2018-09-19 06:04:42,319 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:04:42,531 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:04:42,532 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:04:42,532 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:04:42,532 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:04:42,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:04:42,533 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:04:42,533 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:04:42,533 INFO L87 Difference]: Start difference. First operand 1521 states and 1842 transitions. Second operand 10 states. [2018-09-19 06:04:44,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:04:44,302 INFO L93 Difference]: Finished difference Result 3061 states and 3845 transitions. [2018-09-19 06:04:44,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:04:44,308 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 193 [2018-09-19 06:04:44,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:04:44,317 INFO L225 Difference]: With dead ends: 3061 [2018-09-19 06:04:44,317 INFO L226 Difference]: Without dead ends: 1690 [2018-09-19 06:04:44,321 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 200 GetRequests, 184 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 06:04:44,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2018-09-19 06:04:44,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1672. [2018-09-19 06:04:44,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1672 states. [2018-09-19 06:04:44,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2020 transitions. [2018-09-19 06:04:44,373 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2020 transitions. Word has length 193 [2018-09-19 06:04:44,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:04:44,373 INFO L480 AbstractCegarLoop]: Abstraction has 1672 states and 2020 transitions. [2018-09-19 06:04:44,373 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:04:44,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2020 transitions. [2018-09-19 06:04:44,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-09-19 06:04:44,377 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:04:44,378 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:04:44,378 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:04:44,378 INFO L82 PathProgramCache]: Analyzing trace with hash -23574389, now seen corresponding path program 1 times [2018-09-19 06:04:44,379 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:04:44,379 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 196 with the following transitions: [2018-09-19 06:04:44,379 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], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [526], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:04:44,381 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:04:44,382 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:04:44,418 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:04:44,570 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:04:44,571 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 06:04:44,607 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:04:44,722 INFO L232 lantSequenceWeakener]: Weakened 192 states. On average, predicates are now at 73.31% of their original sizes. [2018-09-19 06:04:44,723 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:04:45,023 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:04:45,023 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:04:45,023 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:04:45,023 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:04:45,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:04:45,024 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:04:45,024 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:04:45,024 INFO L87 Difference]: Start difference. First operand 1672 states and 2020 transitions. Second operand 10 states. [2018-09-19 06:04:47,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:04:47,609 INFO L93 Difference]: Finished difference Result 3362 states and 4211 transitions. [2018-09-19 06:04:47,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:04:47,613 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 195 [2018-09-19 06:04:47,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:04:47,622 INFO L225 Difference]: With dead ends: 3362 [2018-09-19 06:04:47,622 INFO L226 Difference]: Without dead ends: 1840 [2018-09-19 06:04:47,627 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:04:47,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1840 states. [2018-09-19 06:04:47,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1840 to 1823. [2018-09-19 06:04:47,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1823 states. [2018-09-19 06:04:47,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1823 states to 1823 states and 2218 transitions. [2018-09-19 06:04:47,676 INFO L78 Accepts]: Start accepts. Automaton has 1823 states and 2218 transitions. Word has length 195 [2018-09-19 06:04:47,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:04:47,677 INFO L480 AbstractCegarLoop]: Abstraction has 1823 states and 2218 transitions. [2018-09-19 06:04:47,677 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:04:47,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1823 states and 2218 transitions. [2018-09-19 06:04:47,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-09-19 06:04:47,681 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:04:47,681 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:04:47,681 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:04:47,682 INFO L82 PathProgramCache]: Analyzing trace with hash 1395637699, now seen corresponding path program 1 times [2018-09-19 06:04:47,682 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:04:47,682 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 200 with the following transitions: [2018-09-19 06:04:47,682 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], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [542], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:04:47,684 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:04:47,684 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:04:47,711 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:04:47,792 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:04:47,793 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 06:04:47,816 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:04:47,927 INFO L232 lantSequenceWeakener]: Weakened 196 states. On average, predicates are now at 73.3% of their original sizes. [2018-09-19 06:04:47,927 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:04:48,055 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:04:48,055 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:04:48,056 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:04:48,056 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:04:48,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:04:48,056 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:04:48,056 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:04:48,057 INFO L87 Difference]: Start difference. First operand 1823 states and 2218 transitions. Second operand 10 states. [2018-09-19 06:04:52,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:04:52,895 INFO L93 Difference]: Finished difference Result 3819 states and 4796 transitions. [2018-09-19 06:04:52,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:04:52,902 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 199 [2018-09-19 06:04:52,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:04:52,912 INFO L225 Difference]: With dead ends: 3819 [2018-09-19 06:04:52,912 INFO L226 Difference]: Without dead ends: 2146 [2018-09-19 06:04:52,917 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 206 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:04:52,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2146 states. [2018-09-19 06:04:52,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2146 to 2123. [2018-09-19 06:04:52,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2123 states. [2018-09-19 06:04:52,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 2123 states and 2596 transitions. [2018-09-19 06:04:52,975 INFO L78 Accepts]: Start accepts. Automaton has 2123 states and 2596 transitions. Word has length 199 [2018-09-19 06:04:52,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:04:52,976 INFO L480 AbstractCegarLoop]: Abstraction has 2123 states and 2596 transitions. [2018-09-19 06:04:52,976 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:04:52,976 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 2596 transitions. [2018-09-19 06:04:52,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-09-19 06:04:52,980 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:04:52,980 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:04:52,980 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:04:52,981 INFO L82 PathProgramCache]: Analyzing trace with hash -249461669, now seen corresponding path program 1 times [2018-09-19 06:04:52,981 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:04:52,981 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 200 with the following transitions: [2018-09-19 06:04:52,982 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], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [534], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:04:52,983 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:04:52,984 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:04:53,080 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:04:53,165 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:04:53,165 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 06:04:53,203 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:04:53,331 INFO L232 lantSequenceWeakener]: Weakened 196 states. On average, predicates are now at 73.3% of their original sizes. [2018-09-19 06:04:53,331 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:04:53,571 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:04:53,572 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:04:53,572 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:04:53,572 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:04:53,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:04:53,573 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:04:53,573 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:04:53,573 INFO L87 Difference]: Start difference. First operand 2123 states and 2596 transitions. Second operand 10 states. [2018-09-19 06:04:56,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:04:56,016 INFO L93 Difference]: Finished difference Result 4418 states and 5553 transitions. [2018-09-19 06:04:56,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:04:56,024 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 199 [2018-09-19 06:04:56,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:04:56,034 INFO L225 Difference]: With dead ends: 4418 [2018-09-19 06:04:56,035 INFO L226 Difference]: Without dead ends: 2445 [2018-09-19 06:04:56,040 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 206 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:04:56,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2445 states. [2018-09-19 06:04:56,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2445 to 2411. [2018-09-19 06:04:56,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2411 states. [2018-09-19 06:04:56,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2411 states to 2411 states and 2974 transitions. [2018-09-19 06:04:56,093 INFO L78 Accepts]: Start accepts. Automaton has 2411 states and 2974 transitions. Word has length 199 [2018-09-19 06:04:56,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:04:56,094 INFO L480 AbstractCegarLoop]: Abstraction has 2411 states and 2974 transitions. [2018-09-19 06:04:56,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:04:56,094 INFO L276 IsEmpty]: Start isEmpty. Operand 2411 states and 2974 transitions. [2018-09-19 06:04:56,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-09-19 06:04:56,099 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:04:56,099 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:04:56,099 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:04:56,099 INFO L82 PathProgramCache]: Analyzing trace with hash 512956823, now seen corresponding path program 1 times [2018-09-19 06:04:56,100 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:04:56,100 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 206 with the following transitions: [2018-09-19 06:04:56,100 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], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [566], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:04:56,102 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:04:56,102 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:04:56,129 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:04:58,713 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:04:58,713 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 06:04:58,720 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:04:59,277 INFO L232 lantSequenceWeakener]: Weakened 202 states. On average, predicates are now at 73.28% of their original sizes. [2018-09-19 06:04:59,277 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:04:59,392 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:04:59,392 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:04:59,392 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:04:59,392 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:04:59,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:04:59,393 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:04:59,393 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:04:59,394 INFO L87 Difference]: Start difference. First operand 2411 states and 2974 transitions. Second operand 10 states. [2018-09-19 06:05:01,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:05:01,827 INFO L93 Difference]: Finished difference Result 4850 states and 6141 transitions. [2018-09-19 06:05:01,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:05:01,828 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 205 [2018-09-19 06:05:01,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:05:01,838 INFO L225 Difference]: With dead ends: 4850 [2018-09-19 06:05:01,838 INFO L226 Difference]: Without dead ends: 2589 [2018-09-19 06:05:01,844 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 06:05:01,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2589 states. [2018-09-19 06:05:01,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2589 to 2566. [2018-09-19 06:05:01,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2566 states. [2018-09-19 06:05:01,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2566 states to 2566 states and 3192 transitions. [2018-09-19 06:05:01,898 INFO L78 Accepts]: Start accepts. Automaton has 2566 states and 3192 transitions. Word has length 205 [2018-09-19 06:05:01,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:05:01,899 INFO L480 AbstractCegarLoop]: Abstraction has 2566 states and 3192 transitions. [2018-09-19 06:05:01,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:05:01,899 INFO L276 IsEmpty]: Start isEmpty. Operand 2566 states and 3192 transitions. [2018-09-19 06:05:01,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-09-19 06:05:01,904 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:05:01,905 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:05:01,905 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:05:01,905 INFO L82 PathProgramCache]: Analyzing trace with hash -1211938992, now seen corresponding path program 1 times [2018-09-19 06:05:01,905 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:05:01,906 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 215 with the following transitions: [2018-09-19 06:05:01,906 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], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [602], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:05:01,908 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:05:01,908 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:05:01,936 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:05:02,535 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:05:02,535 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 06:05:02,570 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:05:02,869 INFO L232 lantSequenceWeakener]: Weakened 211 states. On average, predicates are now at 73.26% of their original sizes. [2018-09-19 06:05:02,870 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:05:03,370 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:05:03,370 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:05:03,371 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:05:03,371 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:05:03,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:05:03,371 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:05:03,372 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:05:03,372 INFO L87 Difference]: Start difference. First operand 2566 states and 3192 transitions. Second operand 10 states. [2018-09-19 06:05:05,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:05:05,227 INFO L93 Difference]: Finished difference Result 5163 states and 6584 transitions. [2018-09-19 06:05:05,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:05:05,228 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 214 [2018-09-19 06:05:05,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:05:05,240 INFO L225 Difference]: With dead ends: 5163 [2018-09-19 06:05:05,240 INFO L226 Difference]: Without dead ends: 2747 [2018-09-19 06:05:05,246 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 221 GetRequests, 205 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 06:05:05,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2747 states. [2018-09-19 06:05:05,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2747 to 2721. [2018-09-19 06:05:05,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2721 states. [2018-09-19 06:05:05,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2721 states to 2721 states and 3412 transitions. [2018-09-19 06:05:05,306 INFO L78 Accepts]: Start accepts. Automaton has 2721 states and 3412 transitions. Word has length 214 [2018-09-19 06:05:05,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:05:05,306 INFO L480 AbstractCegarLoop]: Abstraction has 2721 states and 3412 transitions. [2018-09-19 06:05:05,306 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:05:05,307 INFO L276 IsEmpty]: Start isEmpty. Operand 2721 states and 3412 transitions. [2018-09-19 06:05:05,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-09-19 06:05:05,312 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:05:05,312 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:05:05,312 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:05:05,313 INFO L82 PathProgramCache]: Analyzing trace with hash 1055194852, now seen corresponding path program 1 times [2018-09-19 06:05:05,313 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:05:05,313 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 221 with the following transitions: [2018-09-19 06:05:05,313 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], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [626], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:05:05,316 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:05:05,316 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:05:05,342 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:05:05,468 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:05:05,468 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 06:05:05,476 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:05:05,602 INFO L232 lantSequenceWeakener]: Weakened 217 states. On average, predicates are now at 73.25% of their original sizes. [2018-09-19 06:05:05,603 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:05:05,738 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:05:05,738 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:05:05,739 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:05:05,739 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:05:05,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:05:05,739 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:05:05,740 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:05:05,740 INFO L87 Difference]: Start difference. First operand 2721 states and 3412 transitions. Second operand 10 states. [2018-09-19 06:05:08,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:05:08,143 INFO L93 Difference]: Finished difference Result 5472 states and 7022 transitions. [2018-09-19 06:05:08,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:05:08,144 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 220 [2018-09-19 06:05:08,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:05:08,155 INFO L225 Difference]: With dead ends: 5472 [2018-09-19 06:05:08,155 INFO L226 Difference]: Without dead ends: 2901 [2018-09-19 06:05:08,160 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 227 GetRequests, 211 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 06:05:08,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2901 states. [2018-09-19 06:05:08,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2901 to 2876. [2018-09-19 06:05:08,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2876 states. [2018-09-19 06:05:08,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2876 states to 2876 states and 3624 transitions. [2018-09-19 06:05:08,222 INFO L78 Accepts]: Start accepts. Automaton has 2876 states and 3624 transitions. Word has length 220 [2018-09-19 06:05:08,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:05:08,223 INFO L480 AbstractCegarLoop]: Abstraction has 2876 states and 3624 transitions. [2018-09-19 06:05:08,223 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:05:08,223 INFO L276 IsEmpty]: Start isEmpty. Operand 2876 states and 3624 transitions. [2018-09-19 06:05:08,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-09-19 06:05:08,229 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:05:08,229 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:05:08,229 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:05:08,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1894085195, now seen corresponding path program 1 times [2018-09-19 06:05:08,230 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:05:08,230 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 228 with the following transitions: [2018-09-19 06:05:08,230 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], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:05:08,232 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:05:08,233 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:05:08,257 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:05:08,397 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:05:08,397 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 06:05:08,418 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:05:08,530 INFO L232 lantSequenceWeakener]: Weakened 224 states. On average, predicates are now at 73.23% of their original sizes. [2018-09-19 06:05:08,530 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:05:08,616 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:05:08,616 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:05:08,616 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:05:08,617 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:05:08,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:05:08,617 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:05:08,617 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:05:08,618 INFO L87 Difference]: Start difference. First operand 2876 states and 3624 transitions. Second operand 10 states. [2018-09-19 06:05:11,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:05:11,263 INFO L93 Difference]: Finished difference Result 5959 states and 7691 transitions. [2018-09-19 06:05:11,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:05:11,263 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 227 [2018-09-19 06:05:11,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:05:11,275 INFO L225 Difference]: With dead ends: 5959 [2018-09-19 06:05:11,275 INFO L226 Difference]: Without dead ends: 3233 [2018-09-19 06:05:11,281 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 234 GetRequests, 218 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 06:05:11,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3233 states. [2018-09-19 06:05:11,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3233 to 3184. [2018-09-19 06:05:11,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3184 states. [2018-09-19 06:05:11,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3184 states to 3184 states and 4030 transitions. [2018-09-19 06:05:11,355 INFO L78 Accepts]: Start accepts. Automaton has 3184 states and 4030 transitions. Word has length 227 [2018-09-19 06:05:11,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:05:11,356 INFO L480 AbstractCegarLoop]: Abstraction has 3184 states and 4030 transitions. [2018-09-19 06:05:11,356 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:05:11,356 INFO L276 IsEmpty]: Start isEmpty. Operand 3184 states and 4030 transitions. [2018-09-19 06:05:11,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-09-19 06:05:11,363 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:05:11,363 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:05:11,364 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:05:11,364 INFO L82 PathProgramCache]: Analyzing trace with hash 1750552803, now seen corresponding path program 1 times [2018-09-19 06:05:11,364 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:05:11,364 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 236 with the following transitions: [2018-09-19 06:05:11,365 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], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:05:11,367 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:05:11,367 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:05:11,420 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:05:11,592 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:05:11,592 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 06:05:11,619 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:05:11,756 INFO L232 lantSequenceWeakener]: Weakened 232 states. On average, predicates are now at 73.21% of their original sizes. [2018-09-19 06:05:11,756 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:05:11,892 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:05:11,892 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:05:11,892 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:05:11,892 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:05:11,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:05:11,893 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:05:11,893 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:05:11,893 INFO L87 Difference]: Start difference. First operand 3184 states and 4030 transitions. Second operand 10 states. [2018-09-19 06:05:13,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:05:13,764 INFO L93 Difference]: Finished difference Result 6547 states and 8487 transitions. [2018-09-19 06:05:13,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:05:13,770 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 235 [2018-09-19 06:05:13,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:05:13,784 INFO L225 Difference]: With dead ends: 6547 [2018-09-19 06:05:13,784 INFO L226 Difference]: Without dead ends: 3513 [2018-09-19 06:05:13,792 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 242 GetRequests, 226 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 06:05:13,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3513 states. [2018-09-19 06:05:13,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3513 to 3486. [2018-09-19 06:05:13,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3486 states. [2018-09-19 06:05:13,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3486 states to 3486 states and 4452 transitions. [2018-09-19 06:05:13,863 INFO L78 Accepts]: Start accepts. Automaton has 3486 states and 4452 transitions. Word has length 235 [2018-09-19 06:05:13,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:05:13,863 INFO L480 AbstractCegarLoop]: Abstraction has 3486 states and 4452 transitions. [2018-09-19 06:05:13,863 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:05:13,863 INFO L276 IsEmpty]: Start isEmpty. Operand 3486 states and 4452 transitions. [2018-09-19 06:05:13,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-09-19 06:05:13,870 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:05:13,870 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:05:13,871 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:05:13,871 INFO L82 PathProgramCache]: Analyzing trace with hash -26430989, now seen corresponding path program 1 times [2018-09-19 06:05:13,871 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:05:13,871 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 240 with the following transitions: [2018-09-19 06:05:13,872 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], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [702], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:05:13,874 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:05:13,875 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:05:13,901 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:05:14,166 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:05:14,166 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 06:05:14,202 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:05:14,485 INFO L232 lantSequenceWeakener]: Weakened 236 states. On average, predicates are now at 73.2% of their original sizes. [2018-09-19 06:05:14,485 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:05:15,162 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:05:15,163 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:05:15,163 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:05:15,163 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:05:15,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:05:15,164 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:05:15,164 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:05:15,165 INFO L87 Difference]: Start difference. First operand 3486 states and 4452 transitions. Second operand 10 states. [2018-09-19 06:05:17,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:05:17,036 INFO L93 Difference]: Finished difference Result 7025 states and 9137 transitions. [2018-09-19 06:05:17,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:05:17,044 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 239 [2018-09-19 06:05:17,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:05:17,064 INFO L225 Difference]: With dead ends: 7025 [2018-09-19 06:05:17,065 INFO L226 Difference]: Without dead ends: 3689 [2018-09-19 06:05:17,074 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 246 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:05:17,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3689 states. [2018-09-19 06:05:17,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3689 to 3649. [2018-09-19 06:05:17,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3649 states. [2018-09-19 06:05:17,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3649 states to 3649 states and 4696 transitions. [2018-09-19 06:05:17,139 INFO L78 Accepts]: Start accepts. Automaton has 3649 states and 4696 transitions. Word has length 239 [2018-09-19 06:05:17,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:05:17,140 INFO L480 AbstractCegarLoop]: Abstraction has 3649 states and 4696 transitions. [2018-09-19 06:05:17,140 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:05:17,140 INFO L276 IsEmpty]: Start isEmpty. Operand 3649 states and 4696 transitions. [2018-09-19 06:05:17,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-09-19 06:05:17,148 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:05:17,149 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:05:17,149 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:05:17,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1231082624, now seen corresponding path program 1 times [2018-09-19 06:05:17,149 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:05:17,149 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 255 with the following transitions: [2018-09-19 06:05:17,150 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], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:05:17,153 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:05:17,153 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:05:17,179 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:05:17,391 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:05:17,392 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 06:05:17,428 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:05:17,587 INFO L232 lantSequenceWeakener]: Weakened 251 states. On average, predicates are now at 73.18% of their original sizes. [2018-09-19 06:05:17,588 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:05:18,066 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:05:18,067 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:05:18,067 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:05:18,067 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:05:18,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:05:18,068 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:05:18,068 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:05:18,068 INFO L87 Difference]: Start difference. First operand 3649 states and 4696 transitions. Second operand 10 states. [2018-09-19 06:05:19,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:05:19,852 INFO L93 Difference]: Finished difference Result 7322 states and 9594 transitions. [2018-09-19 06:05:19,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:05:19,854 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 254 [2018-09-19 06:05:19,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:05:19,865 INFO L225 Difference]: With dead ends: 7322 [2018-09-19 06:05:19,865 INFO L226 Difference]: Without dead ends: 3823 [2018-09-19 06:05:19,872 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 261 GetRequests, 245 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 06:05:19,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3823 states. [2018-09-19 06:05:19,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3823 to 3806. [2018-09-19 06:05:19,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3806 states. [2018-09-19 06:05:19,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3806 states to 3806 states and 4906 transitions. [2018-09-19 06:05:19,941 INFO L78 Accepts]: Start accepts. Automaton has 3806 states and 4906 transitions. Word has length 254 [2018-09-19 06:05:19,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:05:19,941 INFO L480 AbstractCegarLoop]: Abstraction has 3806 states and 4906 transitions. [2018-09-19 06:05:19,942 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:05:19,942 INFO L276 IsEmpty]: Start isEmpty. Operand 3806 states and 4906 transitions. [2018-09-19 06:05:19,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-09-19 06:05:19,951 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:05:19,951 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 06:05:19,951 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:05:19,951 INFO L82 PathProgramCache]: Analyzing trace with hash -1057576560, now seen corresponding path program 1 times [2018-09-19 06:05:19,952 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:05:19,952 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 269 with the following transitions: [2018-09-19 06:05:19,952 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], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [782], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:05:19,956 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:05:19,956 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:05:19,984 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:05:20,221 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:05:20,222 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 06:05:20,255 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:05:20,445 INFO L232 lantSequenceWeakener]: Weakened 265 states. On average, predicates are now at 73.15% of their original sizes. [2018-09-19 06:05:20,445 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:05:20,556 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:05:20,556 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:05:20,556 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:05:20,556 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:05:20,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:05:20,557 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:05:20,557 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:05:20,557 INFO L87 Difference]: Start difference. First operand 3806 states and 4906 transitions. Second operand 10 states. [2018-09-19 06:05:24,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:05:24,292 INFO L93 Difference]: Finished difference Result 8367 states and 11098 transitions. [2018-09-19 06:05:24,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:05:24,300 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 268 [2018-09-19 06:05:24,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:05:24,311 INFO L225 Difference]: With dead ends: 8367 [2018-09-19 06:05:24,312 INFO L226 Difference]: Without dead ends: 4711 [2018-09-19 06:05:24,319 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 275 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:05:24,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4711 states. [2018-09-19 06:05:24,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4711 to 4649. [2018-09-19 06:05:24,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4649 states. [2018-09-19 06:05:24,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4649 states to 4649 states and 6018 transitions. [2018-09-19 06:05:24,408 INFO L78 Accepts]: Start accepts. Automaton has 4649 states and 6018 transitions. Word has length 268 [2018-09-19 06:05:24,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:05:24,408 INFO L480 AbstractCegarLoop]: Abstraction has 4649 states and 6018 transitions. [2018-09-19 06:05:24,409 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:05:24,409 INFO L276 IsEmpty]: Start isEmpty. Operand 4649 states and 6018 transitions. [2018-09-19 06:05:24,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-09-19 06:05:24,417 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:05:24,417 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:05:24,417 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:05:24,418 INFO L82 PathProgramCache]: Analyzing trace with hash -75382184, now seen corresponding path program 1 times [2018-09-19 06:05:24,418 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:05:24,418 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 277 with the following transitions: [2018-09-19 06:05:24,418 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], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [526], [527], [531], [535], [538], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:05:24,420 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:05:24,420 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:05:24,444 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:05:24,554 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:05:24,554 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 06:05:24,562 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:05:24,707 INFO L232 lantSequenceWeakener]: Weakened 273 states. On average, predicates are now at 73.17% of their original sizes. [2018-09-19 06:05:24,707 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:05:24,786 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:05:24,786 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:05:24,786 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:05:24,786 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:05:24,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:05:24,787 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:05:24,787 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:05:24,787 INFO L87 Difference]: Start difference. First operand 4649 states and 6018 transitions. Second operand 10 states. [2018-09-19 06:05:27,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:05:27,418 INFO L93 Difference]: Finished difference Result 9531 states and 12530 transitions. [2018-09-19 06:05:27,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:05:27,428 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 276 [2018-09-19 06:05:27,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:05:27,442 INFO L225 Difference]: With dead ends: 9531 [2018-09-19 06:05:27,442 INFO L226 Difference]: Without dead ends: 5032 [2018-09-19 06:05:27,452 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 283 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:05:27,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5032 states. [2018-09-19 06:05:27,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5032 to 4977. [2018-09-19 06:05:27,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4977 states. [2018-09-19 06:05:27,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4977 states to 4977 states and 6473 transitions. [2018-09-19 06:05:27,550 INFO L78 Accepts]: Start accepts. Automaton has 4977 states and 6473 transitions. Word has length 276 [2018-09-19 06:05:27,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:05:27,551 INFO L480 AbstractCegarLoop]: Abstraction has 4977 states and 6473 transitions. [2018-09-19 06:05:27,551 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:05:27,551 INFO L276 IsEmpty]: Start isEmpty. Operand 4977 states and 6473 transitions. [2018-09-19 06:05:27,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-09-19 06:05:27,561 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:05:27,562 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:05:27,562 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:05:27,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1572687200, now seen corresponding path program 1 times [2018-09-19 06:05:27,562 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:05:27,562 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 293 with the following transitions: [2018-09-19 06:05:27,563 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], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [566], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:05:27,566 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:05:27,566 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:05:27,592 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:05:32,623 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:05:32,624 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 06:05:32,631 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:05:33,790 INFO L232 lantSequenceWeakener]: Weakened 289 states. On average, predicates are now at 73.15% of their original sizes. [2018-09-19 06:05:33,790 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:05:33,901 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:05:33,901 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:05:33,901 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:05:33,901 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:05:33,902 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:05:33,902 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:05:33,902 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:05:33,903 INFO L87 Difference]: Start difference. First operand 4977 states and 6473 transitions. Second operand 10 states. [2018-09-19 06:05:36,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:05:36,429 INFO L93 Difference]: Finished difference Result 10225 states and 13506 transitions. [2018-09-19 06:05:36,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-19 06:05:36,437 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 292 [2018-09-19 06:05:36,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:05:36,454 INFO L225 Difference]: With dead ends: 10225 [2018-09-19 06:05:36,454 INFO L226 Difference]: Without dead ends: 5398 [2018-09-19 06:05:36,466 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 299 GetRequests, 283 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 06:05:36,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5398 states. [2018-09-19 06:05:36,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5398 to 5325. [2018-09-19 06:05:36,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5325 states. [2018-09-19 06:05:36,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5325 states to 5325 states and 6951 transitions. [2018-09-19 06:05:36,571 INFO L78 Accepts]: Start accepts. Automaton has 5325 states and 6951 transitions. Word has length 292 [2018-09-19 06:05:36,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:05:36,571 INFO L480 AbstractCegarLoop]: Abstraction has 5325 states and 6951 transitions. [2018-09-19 06:05:36,571 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:05:36,571 INFO L276 IsEmpty]: Start isEmpty. Operand 5325 states and 6951 transitions. [2018-09-19 06:05:36,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-09-19 06:05:36,583 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:05:36,583 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:05:36,583 INFO L423 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:05:36,584 INFO L82 PathProgramCache]: Analyzing trace with hash 1823688468, now seen corresponding path program 1 times [2018-09-19 06:05:36,584 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:05:36,584 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 295 with the following transitions: [2018-09-19 06:05:36,584 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [526], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [610], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:05:36,586 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:05:36,586 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:05:36,614 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:05:36,802 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:05:36,802 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 06:05:36,841 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:05:37,088 INFO L232 lantSequenceWeakener]: Weakened 291 states. On average, predicates are now at 73.15% of their original sizes. [2018-09-19 06:05:37,089 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:05:37,164 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:05:37,164 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:05:37,164 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:05:37,165 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:05:37,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:05:37,165 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:05:37,165 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:05:37,165 INFO L87 Difference]: Start difference. First operand 5325 states and 6951 transitions. Second operand 10 states. [2018-09-19 06:05:39,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:05:39,757 INFO L93 Difference]: Finished difference Result 12495 states and 16698 transitions. [2018-09-19 06:05:39,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:05:39,764 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 294 [2018-09-19 06:05:39,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:05:39,792 INFO L225 Difference]: With dead ends: 12495 [2018-09-19 06:05:39,792 INFO L226 Difference]: Without dead ends: 7320 [2018-09-19 06:05:39,805 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 301 GetRequests, 285 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 06:05:39,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7320 states. [2018-09-19 06:05:39,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7320 to 7265. [2018-09-19 06:05:39,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7265 states. [2018-09-19 06:05:39,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7265 states to 7265 states and 9556 transitions. [2018-09-19 06:05:39,933 INFO L78 Accepts]: Start accepts. Automaton has 7265 states and 9556 transitions. Word has length 294 [2018-09-19 06:05:39,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:05:39,934 INFO L480 AbstractCegarLoop]: Abstraction has 7265 states and 9556 transitions. [2018-09-19 06:05:39,934 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:05:39,934 INFO L276 IsEmpty]: Start isEmpty. Operand 7265 states and 9556 transitions. [2018-09-19 06:05:39,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-09-19 06:05:39,947 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:05:39,947 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:05:39,948 INFO L423 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:05:39,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1371929996, now seen corresponding path program 1 times [2018-09-19 06:05:39,948 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:05:39,948 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 295 with the following transitions: [2018-09-19 06:05:39,949 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], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:05:39,951 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:05:39,951 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:05:39,982 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:05:40,135 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:05:40,135 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 06:05:40,174 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:05:40,350 INFO L232 lantSequenceWeakener]: Weakened 291 states. On average, predicates are now at 73.15% of their original sizes. [2018-09-19 06:05:40,350 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:05:40,493 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:05:40,494 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:05:40,494 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:05:40,494 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:05:40,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:05:40,494 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:05:40,495 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:05:40,495 INFO L87 Difference]: Start difference. First operand 7265 states and 9556 transitions. Second operand 10 states. [2018-09-19 06:05:43,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:05:43,653 INFO L93 Difference]: Finished difference Result 16202 states and 21703 transitions. [2018-09-19 06:05:43,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:05:43,654 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 294 [2018-09-19 06:05:43,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:05:43,672 INFO L225 Difference]: With dead ends: 16202 [2018-09-19 06:05:43,673 INFO L226 Difference]: Without dead ends: 9087 [2018-09-19 06:05:43,683 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 301 GetRequests, 285 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 06:05:43,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9087 states. [2018-09-19 06:05:43,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9087 to 8821. [2018-09-19 06:05:43,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8821 states. [2018-09-19 06:05:43,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8821 states to 8821 states and 11487 transitions. [2018-09-19 06:05:43,845 INFO L78 Accepts]: Start accepts. Automaton has 8821 states and 11487 transitions. Word has length 294 [2018-09-19 06:05:43,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:05:43,846 INFO L480 AbstractCegarLoop]: Abstraction has 8821 states and 11487 transitions. [2018-09-19 06:05:43,846 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:05:43,846 INFO L276 IsEmpty]: Start isEmpty. Operand 8821 states and 11487 transitions. [2018-09-19 06:05:43,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-09-19 06:05:43,859 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:05:43,860 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 06:05:43,860 INFO L423 AbstractCegarLoop]: === Iteration 22 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:05:43,860 INFO L82 PathProgramCache]: Analyzing trace with hash -1357663736, now seen corresponding path program 1 times [2018-09-19 06:05:43,860 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:05:43,861 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 305 with the following transitions: [2018-09-19 06:05:43,861 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], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [782], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:05:43,864 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:05:43,864 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:05:43,917 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:05:44,108 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:05:44,108 INFO L272 AbstractInterpreter]: Visited 150 different actions 587 times. Merged at 7 different actions 20 times. Never widened. Found 4 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 06:05:44,116 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:05:44,317 INFO L232 lantSequenceWeakener]: Weakened 301 states. On average, predicates are now at 73.1% of their original sizes. [2018-09-19 06:05:44,318 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:05:44,415 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:05:44,415 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:05:44,415 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:05:44,416 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:05:44,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:05:44,416 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:05:44,416 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:05:44,416 INFO L87 Difference]: Start difference. First operand 8821 states and 11487 transitions. Second operand 10 states. [2018-09-19 06:05:47,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:05:47,081 INFO L93 Difference]: Finished difference Result 18387 states and 24076 transitions. [2018-09-19 06:05:47,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:05:47,083 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 304 [2018-09-19 06:05:47,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:05:47,102 INFO L225 Difference]: With dead ends: 18387 [2018-09-19 06:05:47,103 INFO L226 Difference]: Without dead ends: 9716 [2018-09-19 06:05:47,116 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 06:05:47,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9716 states. [2018-09-19 06:05:47,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9716 to 9552. [2018-09-19 06:05:47,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9552 states. [2018-09-19 06:05:47,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9552 states to 9552 states and 12465 transitions. [2018-09-19 06:05:47,452 INFO L78 Accepts]: Start accepts. Automaton has 9552 states and 12465 transitions. Word has length 304 [2018-09-19 06:05:47,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:05:47,453 INFO L480 AbstractCegarLoop]: Abstraction has 9552 states and 12465 transitions. [2018-09-19 06:05:47,453 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:05:47,453 INFO L276 IsEmpty]: Start isEmpty. Operand 9552 states and 12465 transitions. [2018-09-19 06:05:47,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-09-19 06:05:47,468 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:05:47,468 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:05:47,469 INFO L423 AbstractCegarLoop]: === Iteration 23 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:05:47,469 INFO L82 PathProgramCache]: Analyzing trace with hash 700728960, now seen corresponding path program 1 times [2018-09-19 06:05:47,469 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:05:47,469 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 313 with the following transitions: [2018-09-19 06:05:47,470 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], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [702], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:05:47,472 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:05:47,472 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:05:47,496 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:05:47,735 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:05:47,735 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 06:05:47,738 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:05:47,901 INFO L232 lantSequenceWeakener]: Weakened 309 states. On average, predicates are now at 73.12% of their original sizes. [2018-09-19 06:05:47,901 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:05:48,114 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:05:48,114 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:05:48,115 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:05:48,115 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:05:48,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:05:48,115 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:05:48,115 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:05:48,115 INFO L87 Difference]: Start difference. First operand 9552 states and 12465 transitions. Second operand 10 states. [2018-09-19 06:05:50,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:05:50,455 INFO L93 Difference]: Finished difference Result 19826 states and 26220 transitions. [2018-09-19 06:05:50,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:05:50,456 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 312 [2018-09-19 06:05:50,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:05:50,478 INFO L225 Difference]: With dead ends: 19826 [2018-09-19 06:05:50,478 INFO L226 Difference]: Without dead ends: 10424 [2018-09-19 06:05:50,491 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 319 GetRequests, 303 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 06:05:50,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10424 states. [2018-09-19 06:05:50,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10424 to 10350. [2018-09-19 06:05:50,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10350 states. [2018-09-19 06:05:50,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10350 states to 10350 states and 13664 transitions. [2018-09-19 06:05:50,657 INFO L78 Accepts]: Start accepts. Automaton has 10350 states and 13664 transitions. Word has length 312 [2018-09-19 06:05:50,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:05:50,657 INFO L480 AbstractCegarLoop]: Abstraction has 10350 states and 13664 transitions. [2018-09-19 06:05:50,657 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:05:50,657 INFO L276 IsEmpty]: Start isEmpty. Operand 10350 states and 13664 transitions. [2018-09-19 06:05:50,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-09-19 06:05:50,672 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:05:50,672 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:05:50,673 INFO L423 AbstractCegarLoop]: === Iteration 24 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:05:50,673 INFO L82 PathProgramCache]: Analyzing trace with hash -1760294356, now seen corresponding path program 1 times [2018-09-19 06:05:50,673 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:05:50,673 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 315 with the following transitions: [2018-09-19 06:05:50,674 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], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:05:50,676 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:05:50,676 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:05:50,699 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:05:50,912 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:05:50,913 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 06:05:50,917 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:05:51,075 INFO L232 lantSequenceWeakener]: Weakened 311 states. On average, predicates are now at 73.12% of their original sizes. [2018-09-19 06:05:51,076 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:05:51,155 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:05:51,155 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:05:51,156 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:05:51,156 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:05:51,156 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:05:51,156 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:05:51,156 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:05:51,157 INFO L87 Difference]: Start difference. First operand 10350 states and 13664 transitions. Second operand 10 states. [2018-09-19 06:05:53,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:05:53,873 INFO L93 Difference]: Finished difference Result 21036 states and 27952 transitions. [2018-09-19 06:05:53,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:05:53,874 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 314 [2018-09-19 06:05:53,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:05:53,895 INFO L225 Difference]: With dead ends: 21036 [2018-09-19 06:05:53,895 INFO L226 Difference]: Without dead ends: 10836 [2018-09-19 06:05:53,908 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 321 GetRequests, 305 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 06:05:53,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10836 states. [2018-09-19 06:05:54,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10836 to 10710. [2018-09-19 06:05:54,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10710 states. [2018-09-19 06:05:54,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10710 states to 10710 states and 14126 transitions. [2018-09-19 06:05:54,076 INFO L78 Accepts]: Start accepts. Automaton has 10710 states and 14126 transitions. Word has length 314 [2018-09-19 06:05:54,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:05:54,077 INFO L480 AbstractCegarLoop]: Abstraction has 10710 states and 14126 transitions. [2018-09-19 06:05:54,077 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:05:54,077 INFO L276 IsEmpty]: Start isEmpty. Operand 10710 states and 14126 transitions. [2018-09-19 06:05:54,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-09-19 06:05:54,090 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:05:54,090 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:05:54,090 INFO L423 AbstractCegarLoop]: === Iteration 25 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:05:54,090 INFO L82 PathProgramCache]: Analyzing trace with hash 146024484, now seen corresponding path program 1 times [2018-09-19 06:05:54,091 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:05:54,091 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 315 with the following transitions: [2018-09-19 06:05:54,091 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], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [674], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:05:54,093 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:05:54,093 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:05:54,125 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:05:54,481 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:05:54,481 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 06:05:54,486 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:05:54,693 INFO L232 lantSequenceWeakener]: Weakened 311 states. On average, predicates are now at 73.12% of their original sizes. [2018-09-19 06:05:54,694 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:05:54,837 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:05:54,837 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:05:54,837 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:05:54,837 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:05:54,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:05:54,838 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:05:54,838 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:05:54,838 INFO L87 Difference]: Start difference. First operand 10710 states and 14126 transitions. Second operand 10 states. [2018-09-19 06:05:58,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:05:58,614 INFO L93 Difference]: Finished difference Result 22957 states and 30637 transitions. [2018-09-19 06:05:58,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 06:05:58,614 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 314 [2018-09-19 06:05:58,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:05:58,641 INFO L225 Difference]: With dead ends: 22957 [2018-09-19 06:05:58,641 INFO L226 Difference]: Without dead ends: 12397 [2018-09-19 06:05:58,657 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 321 GetRequests, 305 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 06:05:58,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12397 states. [2018-09-19 06:05:58,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12397 to 12226. [2018-09-19 06:05:58,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12226 states. [2018-09-19 06:05:58,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12226 states to 12226 states and 16091 transitions. [2018-09-19 06:05:58,875 INFO L78 Accepts]: Start accepts. Automaton has 12226 states and 16091 transitions. Word has length 314 [2018-09-19 06:05:58,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:05:58,876 INFO L480 AbstractCegarLoop]: Abstraction has 12226 states and 16091 transitions. [2018-09-19 06:05:58,876 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:05:58,876 INFO L276 IsEmpty]: Start isEmpty. Operand 12226 states and 16091 transitions. [2018-09-19 06:05:58,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-09-19 06:05:58,892 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:05:58,893 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:05:58,893 INFO L423 AbstractCegarLoop]: === Iteration 26 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:05:58,893 INFO L82 PathProgramCache]: Analyzing trace with hash 22299948, now seen corresponding path program 1 times [2018-09-19 06:05:58,893 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:05:58,894 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 323 with the following transitions: [2018-09-19 06:05:58,894 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], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [542], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [706], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:05:58,897 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:05:58,897 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:05:58,922 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:05:59,147 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:05:59,147 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 06:05:59,153 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:05:59,286 INFO L232 lantSequenceWeakener]: Weakened 319 states. On average, predicates are now at 73.11% of their original sizes. [2018-09-19 06:05:59,286 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:05:59,364 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:05:59,364 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:05:59,364 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:05:59,365 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:05:59,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:05:59,365 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:05:59,366 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:05:59,366 INFO L87 Difference]: Start difference. First operand 12226 states and 16091 transitions. Second operand 10 states. [2018-09-19 06:06:02,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:06:02,101 INFO L93 Difference]: Finished difference Result 27351 states and 36318 transitions. [2018-09-19 06:06:02,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-19 06:06:02,101 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 322 [2018-09-19 06:06:02,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:06:02,134 INFO L225 Difference]: With dead ends: 27351 [2018-09-19 06:06:02,134 INFO L226 Difference]: Without dead ends: 15275 [2018-09-19 06:06:02,151 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 329 GetRequests, 313 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 06:06:02,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15275 states. [2018-09-19 06:06:02,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15275 to 15041. [2018-09-19 06:06:02,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15041 states. [2018-09-19 06:06:02,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15041 states to 15041 states and 19851 transitions. [2018-09-19 06:06:02,398 INFO L78 Accepts]: Start accepts. Automaton has 15041 states and 19851 transitions. Word has length 322 [2018-09-19 06:06:02,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:06:02,399 INFO L480 AbstractCegarLoop]: Abstraction has 15041 states and 19851 transitions. [2018-09-19 06:06:02,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:06:02,399 INFO L276 IsEmpty]: Start isEmpty. Operand 15041 states and 19851 transitions. [2018-09-19 06:06:02,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-09-19 06:06:02,408 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:06:02,408 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:06:02,409 INFO L423 AbstractCegarLoop]: === Iteration 27 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:06:02,409 INFO L82 PathProgramCache]: Analyzing trace with hash 1307718011, now seen corresponding path program 1 times [2018-09-19 06:06:02,409 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:06:02,409 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 326 with the following transitions: [2018-09-19 06:06:02,409 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [566], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [694], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 06:06:02,412 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:06:02,412 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:06:02,437 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:06:05,198 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-09-19 06:06:05,198 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 06:06:05,206 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-19 06:06:05,253 WARN L209 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2018-09-19 06:06:05,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 06:06:05 BoogieIcfgContainer [2018-09-19 06:06:05,254 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 06:06:05,255 INFO L168 Benchmark]: Toolchain (without parser) took 111907.75 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 3.2 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-09-19 06:06:05,257 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 06:06:05,257 INFO L168 Benchmark]: CACSL2BoogieTranslator took 719.32 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-09-19 06:06:05,258 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.28 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 06:06:05,258 INFO L168 Benchmark]: Boogie Preprocessor took 250.25 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 782.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -872.9 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. [2018-09-19 06:06:05,259 INFO L168 Benchmark]: RCFGBuilder took 3669.11 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 107.0 MB). Peak memory consumption was 107.0 MB. Max. memory is 7.1 GB. [2018-09-19 06:06:05,260 INFO L168 Benchmark]: TraceAbstraction took 107171.93 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 3.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-09-19 06:06:05,268 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 719.32 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 90.28 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 250.25 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 782.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -872.9 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3669.11 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 107.0 MB). Peak memory consumption was 107.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 107171.93 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 3.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 121]: 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 TRUE (((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7)) [L121] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. UNKNOWN Result, 107.0s OverallTime, 27 OverallIterations, 4 TraceHistogramMax, 75.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4771 SDtfs, 16976 SDslu, 9181 SDs, 0 SdLazy, 48459 SolverSat, 4686 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 61.0s Time, PredicateUnifierStatistics: 52 DeclaredPredicates, 6173 GetRequests, 5772 SyntacticMatches, 0 SemanticMatches, 401 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1001 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15041occurred in iteration=26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 16.8s AbstIntTime, 27 AbstIntIterations, 26 AbstIntStrong, 0.9967025420207637 AbsIntWeakeningRatio, 0.11512717536813923 AbsIntAvgWeakeningVarsNumRemoved, 19.295515394912986 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.5s 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_label36_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_06-06-05-283.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label36_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_06-06-05-283.csv Received shutdown request...