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_INTCON-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label03_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 12:38:13,374 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 12:38:13,377 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 12:38:13,397 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 12:38:13,397 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 12:38:13,398 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 12:38:13,400 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 12:38:13,403 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 12:38:13,406 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 12:38:13,407 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 12:38:13,415 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 12:38:13,415 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 12:38:13,416 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 12:38:13,417 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 12:38:13,420 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 12:38:13,421 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 12:38:13,422 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 12:38:13,425 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 12:38:13,430 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 12:38:13,432 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 12:38:13,433 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 12:38:13,435 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 12:38:13,439 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 12:38:13,439 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 12:38:13,439 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 12:38:13,440 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 12:38:13,441 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 12:38:13,442 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 12:38:13,443 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 12:38:13,444 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 12:38:13,444 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 12:38:13,445 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 12:38:13,445 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 12:38:13,446 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 12:38:13,446 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 12:38:13,447 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 12:38:13,447 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf [2018-09-19 12:38:13,477 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 12:38:13,477 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 12:38:13,478 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 12:38:13,478 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 12:38:13,479 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 12:38:13,479 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 12:38:13,479 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 12:38:13,479 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-19 12:38:13,479 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-19 12:38:13,480 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 12:38:13,480 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 12:38:13,480 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 12:38:13,481 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 12:38:13,481 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 12:38:13,481 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 12:38:13,481 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 12:38:13,482 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 12:38:13,482 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 12:38:13,482 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 12:38:13,482 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 12:38:13,482 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 12:38:13,483 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 12:38:13,483 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 12:38:13,483 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 12:38:13,483 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 12:38:13,483 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 12:38:13,484 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 12:38:13,484 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 12:38:13,484 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 12:38:13,484 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 12:38:13,484 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 12:38:13,484 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 12:38:13,485 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 12:38:13,485 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 12:38:13,529 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 12:38:13,551 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 12:38:13,557 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 12:38:13,558 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 12:38:13,559 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 12:38:13,560 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label03_true-unreach-call.c [2018-09-19 12:38:13,907 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46f4e2068/10e0fb1ba9e6457b9bc437236849ee1a/FLAG1fe2960ca [2018-09-19 12:38:14,155 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 12:38:14,156 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label03_true-unreach-call.c [2018-09-19 12:38:14,175 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46f4e2068/10e0fb1ba9e6457b9bc437236849ee1a/FLAG1fe2960ca [2018-09-19 12:38:14,193 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46f4e2068/10e0fb1ba9e6457b9bc437236849ee1a [2018-09-19 12:38:14,205 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 12:38:14,209 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 12:38:14,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 12:38:14,210 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 12:38:14,218 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 12:38:14,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 12:38:14" (1/1) ... [2018-09-19 12:38:14,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63bfbad7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:38:14, skipping insertion in model container [2018-09-19 12:38:14,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 12:38:14" (1/1) ... [2018-09-19 12:38:14,237 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 12:38:14,767 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 12:38:14,786 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 12:38:14,917 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 12:38:14,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:38:14 WrapperNode [2018-09-19 12:38:14,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 12:38:14,974 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 12:38:14,974 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 12:38:14,974 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 12:38:14,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:38:14" (1/1) ... [2018-09-19 12:38:15,009 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:38:14" (1/1) ... [2018-09-19 12:38:15,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 12:38:15,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 12:38:15,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 12:38:15,090 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 12:38:15,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:38:14" (1/1) ... [2018-09-19 12:38:15,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:38:14" (1/1) ... [2018-09-19 12:38:15,262 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:38:14" (1/1) ... [2018-09-19 12:38:15,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:38:14" (1/1) ... [2018-09-19 12:38:15,309 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:38:14" (1/1) ... [2018-09-19 12:38:15,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:38:14" (1/1) ... [2018-09-19 12:38:15,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:38:14" (1/1) ... [2018-09-19 12:38:15,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 12:38:15,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 12:38:15,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 12:38:15,370 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 12:38:15,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:38:14" (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 12:38:15,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 12:38:15,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 12:38:15,448 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-19 12:38:15,449 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-19 12:38:15,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 12:38:15,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 12:38:15,449 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 12:38:15,449 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 12:38:18,633 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 12:38:18,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 12:38:18 BoogieIcfgContainer [2018-09-19 12:38:18,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 12:38:18,638 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 12:38:18,638 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 12:38:18,643 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 12:38:18,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 12:38:14" (1/3) ... [2018-09-19 12:38:18,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a902cd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 12:38:18, skipping insertion in model container [2018-09-19 12:38:18,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:38:14" (2/3) ... [2018-09-19 12:38:18,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a902cd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 12:38:18, skipping insertion in model container [2018-09-19 12:38:18,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 12:38:18" (3/3) ... [2018-09-19 12:38:18,647 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label03_true-unreach-call.c [2018-09-19 12:38:18,658 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 12:38:18,671 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 12:38:18,728 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 12:38:18,729 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 12:38:18,729 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 12:38:18,729 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 12:38:18,729 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 12:38:18,730 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 12:38:18,730 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 12:38:18,730 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 12:38:18,730 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 12:38:18,765 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-09-19 12:38:18,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-19 12:38:18,775 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 12:38:18,776 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 12:38:18,777 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 12:38:18,782 INFO L82 PathProgramCache]: Analyzing trace with hash 1405656705, now seen corresponding path program 1 times [2018-09-19 12:38:18,785 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 12:38:18,786 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 44 with the following transitions: [2018-09-19 12:38:18,788 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [796], [800], [806], [810], [817], [818], [819], [821] [2018-09-19 12:38:18,832 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 12:38:18,833 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 12:38:19,095 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 12:38:19,097 INFO L272 AbstractInterpreter]: Visited 42 different actions 42 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-09-19 12:38:19,143 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 12:38:19,358 INFO L232 lantSequenceWeakener]: Weakened 40 states. On average, predicates are now at 74.74% of their original sizes. [2018-09-19 12:38:19,358 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 12:38:19,517 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 12:38:19,519 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 12:38:19,520 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-19 12:38:19,520 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 12:38:19,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-19 12:38:19,533 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-19 12:38:19,534 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 12:38:19,537 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 6 states. [2018-09-19 12:38:21,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 12:38:21,614 INFO L93 Difference]: Finished difference Result 576 states and 995 transitions. [2018-09-19 12:38:21,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-19 12:38:21,616 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2018-09-19 12:38:21,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 12:38:21,633 INFO L225 Difference]: With dead ends: 576 [2018-09-19 12:38:21,634 INFO L226 Difference]: Without dead ends: 358 [2018-09-19 12:38:21,642 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 42 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 12:38:21,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2018-09-19 12:38:21,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 356. [2018-09-19 12:38:21,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-09-19 12:38:21,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 497 transitions. [2018-09-19 12:38:21,717 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 497 transitions. Word has length 43 [2018-09-19 12:38:21,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 12:38:21,718 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 497 transitions. [2018-09-19 12:38:21,718 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-19 12:38:21,718 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 497 transitions. [2018-09-19 12:38:21,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-09-19 12:38:21,725 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 12:38:21,725 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 12:38:21,725 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 12:38:21,726 INFO L82 PathProgramCache]: Analyzing trace with hash -1018978157, now seen corresponding path program 1 times [2018-09-19 12:38:21,726 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 12:38:21,727 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 115 with the following transitions: [2018-09-19 12:38:21,727 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 12:38:21,733 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 12:38:21,733 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 12:38:21,884 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 12:38:22,047 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 12:38:22,047 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 12:38:22,078 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 12:38:22,371 INFO L232 lantSequenceWeakener]: Weakened 111 states. On average, predicates are now at 73.54% of their original sizes. [2018-09-19 12:38:22,371 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 12:38:23,160 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 12:38:23,161 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 12:38:23,161 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 12:38:23,161 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 12:38:23,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 12:38:23,163 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 12:38:23,163 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 12:38:23,163 INFO L87 Difference]: Start difference. First operand 356 states and 497 transitions. Second operand 10 states. [2018-09-19 12:38:26,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 12:38:26,942 INFO L93 Difference]: Finished difference Result 717 states and 1132 transitions. [2018-09-19 12:38:26,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-19 12:38:26,946 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 114 [2018-09-19 12:38:26,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 12:38:26,952 INFO L225 Difference]: With dead ends: 717 [2018-09-19 12:38:26,952 INFO L226 Difference]: Without dead ends: 511 [2018-09-19 12:38:26,955 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 120 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-09-19 12:38:26,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2018-09-19 12:38:27,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 505. [2018-09-19 12:38:27,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2018-09-19 12:38:27,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 659 transitions. [2018-09-19 12:38:27,006 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 659 transitions. Word has length 114 [2018-09-19 12:38:27,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 12:38:27,008 INFO L480 AbstractCegarLoop]: Abstraction has 505 states and 659 transitions. [2018-09-19 12:38:27,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 12:38:27,008 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 659 transitions. [2018-09-19 12:38:27,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-09-19 12:38:27,014 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 12:38:27,015 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 12:38:27,015 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 12:38:27,015 INFO L82 PathProgramCache]: Analyzing trace with hash -1444484276, now seen corresponding path program 1 times [2018-09-19 12:38:27,016 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 12:38:27,016 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 124 with the following transitions: [2018-09-19 12:38:27,017 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 12:38:27,024 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 12:38:27,024 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 12:38:27,153 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 12:38:27,254 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 12:38:27,254 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 12:38:27,293 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 12:38:27,481 INFO L232 lantSequenceWeakener]: Weakened 120 states. On average, predicates are now at 73.48% of their original sizes. [2018-09-19 12:38:27,482 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 12:38:28,279 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 12:38:28,283 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 12:38:28,283 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 12:38:28,283 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 12:38:28,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 12:38:28,284 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 12:38:28,285 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 12:38:28,285 INFO L87 Difference]: Start difference. First operand 505 states and 659 transitions. Second operand 10 states. [2018-09-19 12:38:32,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 12:38:32,258 INFO L93 Difference]: Finished difference Result 1149 states and 1716 transitions. [2018-09-19 12:38:32,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 12:38:32,260 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 123 [2018-09-19 12:38:32,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 12:38:32,266 INFO L225 Difference]: With dead ends: 1149 [2018-09-19 12:38:32,267 INFO L226 Difference]: Without dead ends: 794 [2018-09-19 12:38:32,269 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 130 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 12:38:32,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2018-09-19 12:38:32,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 783. [2018-09-19 12:38:32,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 783 states. [2018-09-19 12:38:32,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 991 transitions. [2018-09-19 12:38:32,298 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 991 transitions. Word has length 123 [2018-09-19 12:38:32,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 12:38:32,299 INFO L480 AbstractCegarLoop]: Abstraction has 783 states and 991 transitions. [2018-09-19 12:38:32,299 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 12:38:32,299 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 991 transitions. [2018-09-19 12:38:32,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-09-19 12:38:32,304 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 12:38:32,304 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 12:38:32,304 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 12:38:32,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1342877780, now seen corresponding path program 1 times [2018-09-19 12:38:32,305 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 12:38:32,305 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 160 with the following transitions: [2018-09-19 12:38:32,306 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 12:38:32,310 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 12:38:32,310 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 12:38:32,418 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 12:38:32,631 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 12:38:32,632 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 12:38:32,678 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 12:38:32,932 INFO L232 lantSequenceWeakener]: Weakened 156 states. On average, predicates are now at 73.3% of their original sizes. [2018-09-19 12:38:32,933 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 12:38:33,177 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 12:38:33,177 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 12:38:33,178 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 12:38:33,178 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 12:38:33,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 12:38:33,179 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 12:38:33,179 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 12:38:33,180 INFO L87 Difference]: Start difference. First operand 783 states and 991 transitions. Second operand 10 states. [2018-09-19 12:38:37,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 12:38:37,669 INFO L93 Difference]: Finished difference Result 1723 states and 2312 transitions. [2018-09-19 12:38:37,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-19 12:38:37,670 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 159 [2018-09-19 12:38:37,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 12:38:37,677 INFO L225 Difference]: With dead ends: 1723 [2018-09-19 12:38:37,677 INFO L226 Difference]: Without dead ends: 1090 [2018-09-19 12:38:37,681 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 165 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-09-19 12:38:37,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1090 states. [2018-09-19 12:38:37,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1090 to 1081. [2018-09-19 12:38:37,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1081 states. [2018-09-19 12:38:37,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 1341 transitions. [2018-09-19 12:38:37,718 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 1341 transitions. Word has length 159 [2018-09-19 12:38:37,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 12:38:37,719 INFO L480 AbstractCegarLoop]: Abstraction has 1081 states and 1341 transitions. [2018-09-19 12:38:37,719 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 12:38:37,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1341 transitions. [2018-09-19 12:38:37,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-09-19 12:38:37,723 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 12:38:37,723 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 12:38:37,723 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 12:38:37,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1331084013, now seen corresponding path program 1 times [2018-09-19 12:38:37,724 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 12:38:37,724 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 179 with the following transitions: [2018-09-19 12:38:37,725 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [754], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 12:38:37,730 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 12:38:37,730 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 12:38:37,986 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 12:38:37,986 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 12:38:38,035 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 12:38:38,241 INFO L232 lantSequenceWeakener]: Weakened 175 states. On average, predicates are now at 73.24% of their original sizes. [2018-09-19 12:38:38,242 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 12:38:38,485 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 12:38:38,486 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 12:38:38,486 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 12:38:38,486 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 12:38:38,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 12:38:38,487 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 12:38:38,487 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 12:38:38,487 INFO L87 Difference]: Start difference. First operand 1081 states and 1341 transitions. Second operand 10 states. [2018-09-19 12:38:41,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 12:38:41,610 INFO L93 Difference]: Finished difference Result 2464 states and 3181 transitions. [2018-09-19 12:38:41,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-19 12:38:41,614 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 178 [2018-09-19 12:38:41,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 12:38:41,623 INFO L225 Difference]: With dead ends: 2464 [2018-09-19 12:38:41,623 INFO L226 Difference]: Without dead ends: 1533 [2018-09-19 12:38:41,626 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 184 GetRequests, 169 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 12:38:41,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2018-09-19 12:38:41,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1521. [2018-09-19 12:38:41,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1521 states. [2018-09-19 12:38:41,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 1832 transitions. [2018-09-19 12:38:41,669 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 1832 transitions. Word has length 178 [2018-09-19 12:38:41,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 12:38:41,669 INFO L480 AbstractCegarLoop]: Abstraction has 1521 states and 1832 transitions. [2018-09-19 12:38:41,670 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 12:38:41,670 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 1832 transitions. [2018-09-19 12:38:41,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-09-19 12:38:41,673 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 12:38:41,673 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 12:38:41,674 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 12:38:41,674 INFO L82 PathProgramCache]: Analyzing trace with hash -975903850, now seen corresponding path program 1 times [2018-09-19 12:38:41,674 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 12:38:41,674 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 191 with the following transitions: [2018-09-19 12:38:41,675 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [518], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 12:38:41,684 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 12:38:41,684 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 12:38:41,729 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 12:38:41,833 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 12:38:41,833 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 12:38:41,868 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 12:38:42,096 INFO L232 lantSequenceWeakener]: Weakened 187 states. On average, predicates are now at 73.26% of their original sizes. [2018-09-19 12:38:42,097 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 12:38:42,346 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 12:38:42,346 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 12:38:42,346 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 12:38:42,347 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 12:38:42,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 12:38:42,348 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 12:38:42,348 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 12:38:42,348 INFO L87 Difference]: Start difference. First operand 1521 states and 1832 transitions. Second operand 10 states. [2018-09-19 12:38:45,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 12:38:45,573 INFO L93 Difference]: Finished difference Result 3061 states and 3823 transitions. [2018-09-19 12:38:45,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 12:38:45,574 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 190 [2018-09-19 12:38:45,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 12:38:45,588 INFO L225 Difference]: With dead ends: 3061 [2018-09-19 12:38:45,588 INFO L226 Difference]: Without dead ends: 1690 [2018-09-19 12:38:45,592 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 197 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 12:38:45,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2018-09-19 12:38:45,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1672. [2018-09-19 12:38:45,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1672 states. [2018-09-19 12:38:45,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 1998 transitions. [2018-09-19 12:38:45,637 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 1998 transitions. Word has length 190 [2018-09-19 12:38:45,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 12:38:45,638 INFO L480 AbstractCegarLoop]: Abstraction has 1672 states and 1998 transitions. [2018-09-19 12:38:45,638 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 12:38:45,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 1998 transitions. [2018-09-19 12:38:45,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-09-19 12:38:45,641 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 12:38:45,641 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 12:38:45,642 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 12:38:45,642 INFO L82 PathProgramCache]: Analyzing trace with hash -1283804852, now seen corresponding path program 1 times [2018-09-19 12:38:45,642 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 12:38:45,642 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 197 with the following transitions: [2018-09-19 12:38:45,643 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [534], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 12:38:45,645 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 12:38:45,645 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 12:38:45,697 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 12:38:45,800 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 12:38:45,800 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 12:38:45,836 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 12:38:46,020 INFO L232 lantSequenceWeakener]: Weakened 193 states. On average, predicates are now at 73.24% of their original sizes. [2018-09-19 12:38:46,021 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 12:38:46,167 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 12:38:46,167 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 12:38:46,167 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 12:38:46,167 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 12:38:46,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 12:38:46,168 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 12:38:46,168 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 12:38:46,168 INFO L87 Difference]: Start difference. First operand 1672 states and 1998 transitions. Second operand 10 states. [2018-09-19 12:38:49,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 12:38:49,144 INFO L93 Difference]: Finished difference Result 3508 states and 4339 transitions. [2018-09-19 12:38:49,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 12:38:49,147 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 196 [2018-09-19 12:38:49,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 12:38:49,156 INFO L225 Difference]: With dead ends: 3508 [2018-09-19 12:38:49,157 INFO L226 Difference]: Without dead ends: 1986 [2018-09-19 12:38:49,161 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 203 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 12:38:49,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1986 states. [2018-09-19 12:38:49,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1986 to 1956. [2018-09-19 12:38:49,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1956 states. [2018-09-19 12:38:49,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1956 states to 1956 states and 2368 transitions. [2018-09-19 12:38:49,222 INFO L78 Accepts]: Start accepts. Automaton has 1956 states and 2368 transitions. Word has length 196 [2018-09-19 12:38:49,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 12:38:49,223 INFO L480 AbstractCegarLoop]: Abstraction has 1956 states and 2368 transitions. [2018-09-19 12:38:49,223 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 12:38:49,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1956 states and 2368 transitions. [2018-09-19 12:38:49,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-09-19 12:38:49,228 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 12:38:49,228 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 12:38:49,229 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 12:38:49,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1029393779, now seen corresponding path program 1 times [2018-09-19 12:38:49,230 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 12:38:49,230 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 202 with the following transitions: [2018-09-19 12:38:49,230 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], [245], [247], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [526], [527], [531], [534], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 12:38:49,232 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 12:38:49,233 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 12:38:49,283 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 12:38:49,428 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 12:38:49,428 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 12:38:49,471 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 12:38:49,800 INFO L232 lantSequenceWeakener]: Weakened 198 states. On average, predicates are now at 73.23% of their original sizes. [2018-09-19 12:38:49,800 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 12:38:50,016 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 12:38:50,017 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 12:38:50,017 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 12:38:50,017 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 12:38:50,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 12:38:50,019 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 12:38:50,019 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 12:38:50,020 INFO L87 Difference]: Start difference. First operand 1956 states and 2368 transitions. Second operand 10 states. [2018-09-19 12:38:52,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 12:38:52,657 INFO L93 Difference]: Finished difference Result 4370 states and 5531 transitions. [2018-09-19 12:38:52,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 12:38:52,665 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 201 [2018-09-19 12:38:52,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 12:38:52,676 INFO L225 Difference]: With dead ends: 4370 [2018-09-19 12:38:52,677 INFO L226 Difference]: Without dead ends: 2564 [2018-09-19 12:38:52,682 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 208 GetRequests, 192 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 12:38:52,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2564 states. [2018-09-19 12:38:52,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2564 to 2527. [2018-09-19 12:38:52,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2527 states. [2018-09-19 12:38:52,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2527 states to 2527 states and 3089 transitions. [2018-09-19 12:38:52,758 INFO L78 Accepts]: Start accepts. Automaton has 2527 states and 3089 transitions. Word has length 201 [2018-09-19 12:38:52,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 12:38:52,759 INFO L480 AbstractCegarLoop]: Abstraction has 2527 states and 3089 transitions. [2018-09-19 12:38:52,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 12:38:52,759 INFO L276 IsEmpty]: Start isEmpty. Operand 2527 states and 3089 transitions. [2018-09-19 12:38:52,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-09-19 12:38:52,764 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 12:38:52,764 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 12:38:52,764 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 12:38:52,765 INFO L82 PathProgramCache]: Analyzing trace with hash 545517243, now seen corresponding path program 1 times [2018-09-19 12:38:52,765 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 12:38:52,765 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 206 with the following transitions: [2018-09-19 12:38:52,765 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [542], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 12:38:52,767 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 12:38:52,768 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 12:38:52,817 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 12:38:53,002 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 12:38:53,003 INFO L272 AbstractInterpreter]: Visited 90 different actions 434 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 12:38:53,031 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 12:38:53,247 INFO L232 lantSequenceWeakener]: Weakened 202 states. On average, predicates are now at 73.22% of their original sizes. [2018-09-19 12:38:53,247 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 12:38:53,404 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 12:38:53,404 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 12:38:53,404 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 12:38:53,405 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 12:38:53,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 12:38:53,405 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 12:38:53,405 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 12:38:53,406 INFO L87 Difference]: Start difference. First operand 2527 states and 3089 transitions. Second operand 10 states. [2018-09-19 12:38:56,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 12:38:56,534 INFO L93 Difference]: Finished difference Result 5813 states and 7415 transitions. [2018-09-19 12:38:56,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 12:38:56,535 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 205 [2018-09-19 12:38:56,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 12:38:56,550 INFO L225 Difference]: With dead ends: 5813 [2018-09-19 12:38:56,550 INFO L226 Difference]: Without dead ends: 3436 [2018-09-19 12:38:56,558 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 212 GetRequests, 196 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 12:38:56,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3436 states. [2018-09-19 12:38:56,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3436 to 3377. [2018-09-19 12:38:56,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3377 states. [2018-09-19 12:38:56,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3377 states to 3377 states and 4175 transitions. [2018-09-19 12:38:56,634 INFO L78 Accepts]: Start accepts. Automaton has 3377 states and 4175 transitions. Word has length 205 [2018-09-19 12:38:56,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 12:38:56,635 INFO L480 AbstractCegarLoop]: Abstraction has 3377 states and 4175 transitions. [2018-09-19 12:38:56,635 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 12:38:56,636 INFO L276 IsEmpty]: Start isEmpty. Operand 3377 states and 4175 transitions. [2018-09-19 12:38:56,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-09-19 12:38:56,643 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 12:38:56,643 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 12:38:56,644 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 12:38:56,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1417352025, now seen corresponding path program 1 times [2018-09-19 12:38:56,644 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 12:38:56,644 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 212 with the following transitions: [2018-09-19 12:38:56,645 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [566], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 12:38:56,648 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 12:38:56,648 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 12:38:56,706 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 12:39:02,028 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 12:39:02,028 INFO L272 AbstractInterpreter]: Visited 96 different actions 464 times. Merged at 7 different actions 28 times. Never widened. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 12:39:02,032 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 12:39:03,496 INFO L232 lantSequenceWeakener]: Weakened 208 states. On average, predicates are now at 73.2% of their original sizes. [2018-09-19 12:39:03,496 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 12:39:03,672 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 12:39:03,673 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 12:39:03,673 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 12:39:03,673 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 12:39:03,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 12:39:03,674 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 12:39:03,674 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 12:39:03,674 INFO L87 Difference]: Start difference. First operand 3377 states and 4175 transitions. Second operand 10 states. [2018-09-19 12:39:06,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 12:39:06,547 INFO L93 Difference]: Finished difference Result 8372 states and 10738 transitions. [2018-09-19 12:39:06,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 12:39:06,548 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 211 [2018-09-19 12:39:06,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 12:39:06,567 INFO L225 Difference]: With dead ends: 8372 [2018-09-19 12:39:06,568 INFO L226 Difference]: Without dead ends: 5145 [2018-09-19 12:39:06,577 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 218 GetRequests, 202 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 12:39:06,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5145 states. [2018-09-19 12:39:06,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5145 to 5045. [2018-09-19 12:39:06,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5045 states. [2018-09-19 12:39:06,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5045 states to 5045 states and 6270 transitions. [2018-09-19 12:39:06,694 INFO L78 Accepts]: Start accepts. Automaton has 5045 states and 6270 transitions. Word has length 211 [2018-09-19 12:39:06,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 12:39:06,695 INFO L480 AbstractCegarLoop]: Abstraction has 5045 states and 6270 transitions. [2018-09-19 12:39:06,695 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 12:39:06,695 INFO L276 IsEmpty]: Start isEmpty. Operand 5045 states and 6270 transitions. [2018-09-19 12:39:06,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-09-19 12:39:06,701 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 12:39:06,702 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 12:39:06,702 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 12:39:06,703 INFO L82 PathProgramCache]: Analyzing trace with hash 342065064, now seen corresponding path program 1 times [2018-09-19 12:39:06,703 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 12:39:06,703 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 227 with the following transitions: [2018-09-19 12:39:06,703 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [626], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 12:39:06,705 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 12:39:06,706 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 12:39:06,750 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 12:39:06,997 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 12:39:06,997 INFO L272 AbstractInterpreter]: Visited 111 different actions 539 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 12:39:07,025 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 12:39:07,260 INFO L232 lantSequenceWeakener]: Weakened 223 states. On average, predicates are now at 73.17% of their original sizes. [2018-09-19 12:39:07,260 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 12:39:07,361 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 12:39:07,361 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 12:39:07,362 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 12:39:07,362 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 12:39:07,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 12:39:07,362 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 12:39:07,362 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 12:39:07,363 INFO L87 Difference]: Start difference. First operand 5045 states and 6270 transitions. Second operand 10 states. [2018-09-19 12:39:12,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 12:39:12,733 INFO L93 Difference]: Finished difference Result 10399 states and 13068 transitions. [2018-09-19 12:39:12,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 12:39:12,738 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 226 [2018-09-19 12:39:12,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 12:39:12,755 INFO L225 Difference]: With dead ends: 10399 [2018-09-19 12:39:12,755 INFO L226 Difference]: Without dead ends: 5504 [2018-09-19 12:39:12,765 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 233 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 12:39:12,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5504 states. [2018-09-19 12:39:12,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5504 to 5429. [2018-09-19 12:39:12,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5429 states. [2018-09-19 12:39:12,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5429 states to 5429 states and 6773 transitions. [2018-09-19 12:39:12,866 INFO L78 Accepts]: Start accepts. Automaton has 5429 states and 6773 transitions. Word has length 226 [2018-09-19 12:39:12,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 12:39:12,867 INFO L480 AbstractCegarLoop]: Abstraction has 5429 states and 6773 transitions. [2018-09-19 12:39:12,867 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 12:39:12,867 INFO L276 IsEmpty]: Start isEmpty. Operand 5429 states and 6773 transitions. [2018-09-19 12:39:12,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-09-19 12:39:12,874 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 12:39:12,874 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 12:39:12,874 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 12:39:12,875 INFO L82 PathProgramCache]: Analyzing trace with hash -1611377340, now seen corresponding path program 1 times [2018-09-19 12:39:12,875 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 12:39:12,875 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 233 with the following transitions: [2018-09-19 12:39:12,875 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 12:39:12,878 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 12:39:12,878 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 12:39:12,953 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 12:39:13,128 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 12:39:13,128 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 12:39:13,137 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 12:39:13,342 INFO L232 lantSequenceWeakener]: Weakened 229 states. On average, predicates are now at 73.16% of their original sizes. [2018-09-19 12:39:13,343 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 12:39:13,447 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 12:39:13,447 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 12:39:13,448 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 12:39:13,448 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 12:39:13,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 12:39:13,448 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 12:39:13,449 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 12:39:13,449 INFO L87 Difference]: Start difference. First operand 5429 states and 6773 transitions. Second operand 10 states. [2018-09-19 12:39:15,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 12:39:15,732 INFO L93 Difference]: Finished difference Result 11196 states and 14212 transitions. [2018-09-19 12:39:15,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 12:39:15,738 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 232 [2018-09-19 12:39:15,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 12:39:15,760 INFO L225 Difference]: With dead ends: 11196 [2018-09-19 12:39:15,760 INFO L226 Difference]: Without dead ends: 5917 [2018-09-19 12:39:15,771 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 239 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 12:39:15,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5917 states. [2018-09-19 12:39:15,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5917 to 5887. [2018-09-19 12:39:15,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5887 states. [2018-09-19 12:39:15,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5887 states to 5887 states and 7406 transitions. [2018-09-19 12:39:15,891 INFO L78 Accepts]: Start accepts. Automaton has 5887 states and 7406 transitions. Word has length 232 [2018-09-19 12:39:15,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 12:39:15,892 INFO L480 AbstractCegarLoop]: Abstraction has 5887 states and 7406 transitions. [2018-09-19 12:39:15,892 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 12:39:15,892 INFO L276 IsEmpty]: Start isEmpty. Operand 5887 states and 7406 transitions. [2018-09-19 12:39:15,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-09-19 12:39:15,900 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 12:39:15,900 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 12:39:15,900 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 12:39:15,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1618094157, now seen corresponding path program 1 times [2018-09-19 12:39:15,901 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 12:39:15,901 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 234 with the following transitions: [2018-09-19 12:39:15,902 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 12:39:15,904 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 12:39:15,904 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 12:39:16,090 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 12:39:16,348 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 12:39:16,349 INFO L272 AbstractInterpreter]: Visited 118 different actions 574 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 12:39:16,375 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 12:39:16,617 INFO L232 lantSequenceWeakener]: Weakened 230 states. On average, predicates are now at 73.16% of their original sizes. [2018-09-19 12:39:16,618 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 12:39:16,964 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 12:39:16,964 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 12:39:16,964 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 12:39:16,965 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 12:39:16,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 12:39:16,965 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 12:39:16,966 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 12:39:16,966 INFO L87 Difference]: Start difference. First operand 5887 states and 7406 transitions. Second operand 10 states. [2018-09-19 12:39:19,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 12:39:19,673 INFO L93 Difference]: Finished difference Result 13421 states and 17237 transitions. [2018-09-19 12:39:19,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 12:39:19,678 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 233 [2018-09-19 12:39:19,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 12:39:19,699 INFO L225 Difference]: With dead ends: 13421 [2018-09-19 12:39:19,699 INFO L226 Difference]: Without dead ends: 7684 [2018-09-19 12:39:19,712 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 240 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 12:39:19,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7684 states. [2018-09-19 12:39:19,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7684 to 7560. [2018-09-19 12:39:19,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7560 states. [2018-09-19 12:39:19,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7560 states to 7560 states and 9639 transitions. [2018-09-19 12:39:19,845 INFO L78 Accepts]: Start accepts. Automaton has 7560 states and 9639 transitions. Word has length 233 [2018-09-19 12:39:19,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 12:39:19,846 INFO L480 AbstractCegarLoop]: Abstraction has 7560 states and 9639 transitions. [2018-09-19 12:39:19,846 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 12:39:19,846 INFO L276 IsEmpty]: Start isEmpty. Operand 7560 states and 9639 transitions. [2018-09-19 12:39:19,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-09-19 12:39:19,859 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 12:39:19,859 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 12:39:19,859 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 12:39:19,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1378378227, now seen corresponding path program 1 times [2018-09-19 12:39:19,860 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 12:39:19,860 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 266 with the following transitions: [2018-09-19 12:39:19,861 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], [245], [247], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [782], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 12:39:19,864 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 12:39:19,864 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 12:39:19,912 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 12:39:20,214 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 12:39:20,214 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 12:39:20,252 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 12:39:20,481 INFO L232 lantSequenceWeakener]: Weakened 262 states. On average, predicates are now at 73.11% of their original sizes. [2018-09-19 12:39:20,481 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 12:39:20,690 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 12:39:20,690 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 12:39:20,691 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 12:39:20,691 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 12:39:20,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 12:39:20,691 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 12:39:20,692 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 12:39:20,692 INFO L87 Difference]: Start difference. First operand 7560 states and 9639 transitions. Second operand 10 states. [2018-09-19 12:39:24,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 12:39:24,030 INFO L93 Difference]: Finished difference Result 16780 states and 21621 transitions. [2018-09-19 12:39:24,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 12:39:24,038 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 265 [2018-09-19 12:39:24,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 12:39:24,063 INFO L225 Difference]: With dead ends: 16780 [2018-09-19 12:39:24,064 INFO L226 Difference]: Without dead ends: 9370 [2018-09-19 12:39:24,078 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 272 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 12:39:24,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9370 states. [2018-09-19 12:39:24,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9370 to 9238. [2018-09-19 12:39:24,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9238 states. [2018-09-19 12:39:24,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9238 states to 9238 states and 11908 transitions. [2018-09-19 12:39:24,254 INFO L78 Accepts]: Start accepts. Automaton has 9238 states and 11908 transitions. Word has length 265 [2018-09-19 12:39:24,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 12:39:24,254 INFO L480 AbstractCegarLoop]: Abstraction has 9238 states and 11908 transitions. [2018-09-19 12:39:24,255 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 12:39:24,255 INFO L276 IsEmpty]: Start isEmpty. Operand 9238 states and 11908 transitions. [2018-09-19 12:39:24,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-09-19 12:39:24,270 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 12:39:24,270 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 12:39:24,270 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 12:39:24,271 INFO L82 PathProgramCache]: Analyzing trace with hash -1457880315, now seen corresponding path program 1 times [2018-09-19 12:39:24,271 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 12:39:24,271 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 275 with the following transitions: [2018-09-19 12:39:24,272 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [526], [527], [531], [534], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 12:39:24,273 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 12:39:24,274 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 12:39:24,323 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 12:39:24,657 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 12:39:24,658 INFO L272 AbstractInterpreter]: Visited 89 different actions 438 times. Merged at 8 different actions 37 times. Never widened. Found 9 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 12:39:24,686 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 12:39:24,940 INFO L232 lantSequenceWeakener]: Weakened 271 states. On average, predicates are now at 73.13% of their original sizes. [2018-09-19 12:39:24,940 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 12:39:25,049 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 12:39:25,050 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 12:39:25,050 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 12:39:25,050 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 12:39:25,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 12:39:25,051 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 12:39:25,051 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 12:39:25,051 INFO L87 Difference]: Start difference. First operand 9238 states and 11908 transitions. Second operand 10 states. [2018-09-19 12:39:28,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 12:39:28,968 INFO L93 Difference]: Finished difference Result 20530 states and 26690 transitions. [2018-09-19 12:39:28,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 12:39:28,977 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 274 [2018-09-19 12:39:28,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 12:39:29,011 INFO L225 Difference]: With dead ends: 20530 [2018-09-19 12:39:29,011 INFO L226 Difference]: Without dead ends: 11442 [2018-09-19 12:39:29,030 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 281 GetRequests, 265 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 12:39:29,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11442 states. [2018-09-19 12:39:29,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11442 to 11268. [2018-09-19 12:39:29,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11268 states. [2018-09-19 12:39:29,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11268 states to 11268 states and 14578 transitions. [2018-09-19 12:39:29,247 INFO L78 Accepts]: Start accepts. Automaton has 11268 states and 14578 transitions. Word has length 274 [2018-09-19 12:39:29,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 12:39:29,248 INFO L480 AbstractCegarLoop]: Abstraction has 11268 states and 14578 transitions. [2018-09-19 12:39:29,248 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 12:39:29,248 INFO L276 IsEmpty]: Start isEmpty. Operand 11268 states and 14578 transitions. [2018-09-19 12:39:29,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-09-19 12:39:29,265 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 12:39:29,266 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 12:39:29,266 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 12:39:29,266 INFO L82 PathProgramCache]: Analyzing trace with hash -753309291, now seen corresponding path program 1 times [2018-09-19 12:39:29,266 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 12:39:29,267 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 283 with the following transitions: [2018-09-19 12:39:29,267 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [526], [527], [531], [534], [535], [538], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 12:39:29,269 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 12:39:29,269 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 12:39:29,317 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 12:39:29,514 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 12:39:29,514 INFO L272 AbstractInterpreter]: Visited 90 different actions 440 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 12:39:29,551 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 12:39:29,820 INFO L232 lantSequenceWeakener]: Weakened 279 states. On average, predicates are now at 73.12% of their original sizes. [2018-09-19 12:39:29,821 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 12:39:30,590 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 12:39:30,591 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 12:39:30,591 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 12:39:30,591 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 12:39:30,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 12:39:30,592 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 12:39:30,592 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 12:39:30,592 INFO L87 Difference]: Start difference. First operand 11268 states and 14578 transitions. Second operand 10 states. [2018-09-19 12:39:34,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 12:39:34,073 INFO L93 Difference]: Finished difference Result 24169 states and 31450 transitions. [2018-09-19 12:39:34,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-19 12:39:34,074 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 282 [2018-09-19 12:39:34,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 12:39:34,105 INFO L225 Difference]: With dead ends: 24169 [2018-09-19 12:39:34,106 INFO L226 Difference]: Without dead ends: 13051 [2018-09-19 12:39:34,123 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 289 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 12:39:34,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13051 states. [2018-09-19 12:39:34,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13051 to 12904. [2018-09-19 12:39:34,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12904 states. [2018-09-19 12:39:34,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12904 states to 12904 states and 16702 transitions. [2018-09-19 12:39:34,335 INFO L78 Accepts]: Start accepts. Automaton has 12904 states and 16702 transitions. Word has length 282 [2018-09-19 12:39:34,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 12:39:34,335 INFO L480 AbstractCegarLoop]: Abstraction has 12904 states and 16702 transitions. [2018-09-19 12:39:34,335 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 12:39:34,336 INFO L276 IsEmpty]: Start isEmpty. Operand 12904 states and 16702 transitions. [2018-09-19 12:39:34,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-09-19 12:39:34,353 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 12:39:34,354 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 12:39:34,354 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 12:39:34,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1790860881, now seen corresponding path program 1 times [2018-09-19 12:39:34,354 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 12:39:34,355 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 285 with the following transitions: [2018-09-19 12:39:34,355 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [566], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 12:39:34,357 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 12:39:34,357 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 12:39:34,406 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 12:39:39,928 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 12:39:39,929 INFO L272 AbstractInterpreter]: Visited 97 different actions 573 times. Merged at 8 different actions 46 times. Widened at 1 different actions 1 times. Found 11 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 12:39:39,943 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 12:39:41,833 INFO L232 lantSequenceWeakener]: Weakened 281 states. On average, predicates are now at 73.11% of their original sizes. [2018-09-19 12:39:41,833 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 12:39:41,965 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 12:39:41,965 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 12:39:41,965 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 12:39:41,966 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 12:39:41,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 12:39:41,966 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 12:39:41,966 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 12:39:41,967 INFO L87 Difference]: Start difference. First operand 12904 states and 16702 transitions. Second operand 10 states. [2018-09-19 12:39:45,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 12:39:45,814 INFO L93 Difference]: Finished difference Result 27274 states and 35434 transitions. [2018-09-19 12:39:45,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 12:39:45,818 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 284 [2018-09-19 12:39:45,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 12:39:45,850 INFO L225 Difference]: With dead ends: 27274 [2018-09-19 12:39:45,851 INFO L226 Difference]: Without dead ends: 14520 [2018-09-19 12:39:45,871 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 291 GetRequests, 275 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 12:39:45,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14520 states. [2018-09-19 12:39:46,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14520 to 14234. [2018-09-19 12:39:46,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14234 states. [2018-09-19 12:39:46,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14234 states to 14234 states and 18516 transitions. [2018-09-19 12:39:46,112 INFO L78 Accepts]: Start accepts. Automaton has 14234 states and 18516 transitions. Word has length 284 [2018-09-19 12:39:46,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 12:39:46,113 INFO L480 AbstractCegarLoop]: Abstraction has 14234 states and 18516 transitions. [2018-09-19 12:39:46,113 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 12:39:46,113 INFO L276 IsEmpty]: Start isEmpty. Operand 14234 states and 18516 transitions. [2018-09-19 12:39:46,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-09-19 12:39:46,134 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 12:39:46,134 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 12:39:46,135 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 12:39:46,135 INFO L82 PathProgramCache]: Analyzing trace with hash 198519320, now seen corresponding path program 1 times [2018-09-19 12:39:46,135 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 12:39:46,135 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 292 with the following transitions: [2018-09-19 12:39:46,136 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 12:39:46,138 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 12:39:46,138 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 12:39:46,179 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 12:39:46,364 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 12:39:46,365 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 12:39:46,401 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 12:39:46,634 INFO L232 lantSequenceWeakener]: Weakened 288 states. On average, predicates are now at 73.1% of their original sizes. [2018-09-19 12:39:46,635 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 12:39:46,807 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 12:39:46,808 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 12:39:46,808 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 12:39:46,808 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 12:39:46,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 12:39:46,808 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 12:39:46,809 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 12:39:46,809 INFO L87 Difference]: Start difference. First operand 14234 states and 18516 transitions. Second operand 10 states. [2018-09-19 12:39:50,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 12:39:50,026 INFO L93 Difference]: Finished difference Result 29317 states and 38295 transitions. [2018-09-19 12:39:50,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 12:39:50,026 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 291 [2018-09-19 12:39:50,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 12:39:50,058 INFO L225 Difference]: With dead ends: 29317 [2018-09-19 12:39:50,058 INFO L226 Difference]: Without dead ends: 15233 [2018-09-19 12:39:50,076 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 298 GetRequests, 282 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 12:39:50,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15233 states. [2018-09-19 12:39:50,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15233 to 15014. [2018-09-19 12:39:50,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15014 states. [2018-09-19 12:39:50,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15014 states to 15014 states and 19527 transitions. [2018-09-19 12:39:50,319 INFO L78 Accepts]: Start accepts. Automaton has 15014 states and 19527 transitions. Word has length 291 [2018-09-19 12:39:50,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 12:39:50,319 INFO L480 AbstractCegarLoop]: Abstraction has 15014 states and 19527 transitions. [2018-09-19 12:39:50,320 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 12:39:50,320 INFO L276 IsEmpty]: Start isEmpty. Operand 15014 states and 19527 transitions. [2018-09-19 12:39:50,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-09-19 12:39:50,339 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 12:39:50,339 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 12:39:50,340 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 12:39:50,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1398780805, now seen corresponding path program 1 times [2018-09-19 12:39:50,340 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 12:39:50,340 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 295 with the following transitions: [2018-09-19 12:39:50,341 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [546], [547], [551], [555], [559], [563], [566], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 12:39:50,343 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 12:39:50,343 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 12:39:50,388 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 12:39:55,819 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 12:39:55,819 INFO L272 AbstractInterpreter]: Visited 97 different actions 568 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 12:39:55,828 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 12:39:57,445 INFO L232 lantSequenceWeakener]: Weakened 291 states. On average, predicates are now at 73.1% of their original sizes. [2018-09-19 12:39:57,446 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 12:39:57,601 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 12:39:57,601 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 12:39:57,602 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 12:39:57,602 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 12:39:57,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 12:39:57,602 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 12:39:57,602 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 12:39:57,603 INFO L87 Difference]: Start difference. First operand 15014 states and 19527 transitions. Second operand 10 states. [2018-09-19 12:40:00,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 12:40:00,291 INFO L93 Difference]: Finished difference Result 31248 states and 40901 transitions. [2018-09-19 12:40:00,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 12:40:00,292 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 294 [2018-09-19 12:40:00,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 12:40:00,333 INFO L225 Difference]: With dead ends: 31248 [2018-09-19 12:40:00,333 INFO L226 Difference]: Without dead ends: 16384 [2018-09-19 12:40:00,354 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 12:40:00,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16384 states. [2018-09-19 12:40:00,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16384 to 16100. [2018-09-19 12:40:00,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16100 states. [2018-09-19 12:40:00,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16100 states to 16100 states and 21070 transitions. [2018-09-19 12:40:00,622 INFO L78 Accepts]: Start accepts. Automaton has 16100 states and 21070 transitions. Word has length 294 [2018-09-19 12:40:00,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 12:40:00,623 INFO L480 AbstractCegarLoop]: Abstraction has 16100 states and 21070 transitions. [2018-09-19 12:40:00,623 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 12:40:00,623 INFO L276 IsEmpty]: Start isEmpty. Operand 16100 states and 21070 transitions. [2018-09-19 12:40:00,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-09-19 12:40:00,643 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 12:40:00,644 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-09-19 12:40:00,644 INFO L423 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 12:40:00,644 INFO L82 PathProgramCache]: Analyzing trace with hash -421306163, now seen corresponding path program 1 times [2018-09-19 12:40:00,644 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 12:40:00,645 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 299 with the following transitions: [2018-09-19 12:40:00,645 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [562], [563], [566], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 12:40:00,647 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 12:40:00,647 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 12:40:00,693 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 12:40:07,406 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 12:40:07,406 INFO L272 AbstractInterpreter]: Visited 97 different actions 664 times. Merged at 8 different actions 51 times. Widened at 1 different actions 2 times. Found 11 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 12:40:07,410 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 12:40:09,213 INFO L232 lantSequenceWeakener]: Weakened 295 states. On average, predicates are now at 73.09% of their original sizes. [2018-09-19 12:40:09,213 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 12:40:09,304 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 12:40:09,304 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 12:40:09,304 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 12:40:09,304 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 12:40:09,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 12:40:09,305 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 12:40:09,305 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 12:40:09,305 INFO L87 Difference]: Start difference. First operand 16100 states and 21070 transitions. Second operand 10 states. [2018-09-19 12:40:12,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 12:40:12,823 INFO L93 Difference]: Finished difference Result 33283 states and 43657 transitions. [2018-09-19 12:40:12,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 12:40:12,824 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 298 [2018-09-19 12:40:12,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 12:40:12,859 INFO L225 Difference]: With dead ends: 33283 [2018-09-19 12:40:12,859 INFO L226 Difference]: Without dead ends: 17333 [2018-09-19 12:40:12,881 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 305 GetRequests, 289 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 12:40:12,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17333 states. [2018-09-19 12:40:13,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17333 to 17020. [2018-09-19 12:40:13,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17020 states. [2018-09-19 12:40:13,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17020 states to 17020 states and 22326 transitions. [2018-09-19 12:40:13,144 INFO L78 Accepts]: Start accepts. Automaton has 17020 states and 22326 transitions. Word has length 298 [2018-09-19 12:40:13,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 12:40:13,145 INFO L480 AbstractCegarLoop]: Abstraction has 17020 states and 22326 transitions. [2018-09-19 12:40:13,145 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 12:40:13,145 INFO L276 IsEmpty]: Start isEmpty. Operand 17020 states and 22326 transitions. [2018-09-19 12:40:13,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-09-19 12:40:13,162 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 12:40:13,162 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 12:40:13,162 INFO L423 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 12:40:13,163 INFO L82 PathProgramCache]: Analyzing trace with hash -2009974533, now seen corresponding path program 1 times [2018-09-19 12:40:13,163 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 12:40:13,163 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 302 with the following transitions: [2018-09-19 12:40:13,164 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [782], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 12:40:13,167 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 12:40:13,167 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 12:40:13,240 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 12:40:13,520 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 12:40:13,521 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 12:40:13,554 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 12:40:13,804 INFO L232 lantSequenceWeakener]: Weakened 298 states. On average, predicates are now at 73.06% of their original sizes. [2018-09-19 12:40:13,804 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 12:40:13,889 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 12:40:13,889 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 12:40:13,889 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 12:40:13,890 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 12:40:13,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 12:40:13,890 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 12:40:13,890 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 12:40:13,891 INFO L87 Difference]: Start difference. First operand 17020 states and 22326 transitions. Second operand 10 states. [2018-09-19 12:40:16,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 12:40:16,734 INFO L93 Difference]: Finished difference Result 35215 states and 46290 transitions. [2018-09-19 12:40:16,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 12:40:16,735 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 301 [2018-09-19 12:40:16,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 12:40:16,768 INFO L225 Difference]: With dead ends: 35215 [2018-09-19 12:40:16,768 INFO L226 Difference]: Without dead ends: 18345 [2018-09-19 12:40:16,788 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 308 GetRequests, 292 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 12:40:16,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18345 states. [2018-09-19 12:40:17,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18345 to 17954. [2018-09-19 12:40:17,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17954 states. [2018-09-19 12:40:17,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17954 states to 17954 states and 23579 transitions. [2018-09-19 12:40:17,075 INFO L78 Accepts]: Start accepts. Automaton has 17954 states and 23579 transitions. Word has length 301 [2018-09-19 12:40:17,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 12:40:17,076 INFO L480 AbstractCegarLoop]: Abstraction has 17954 states and 23579 transitions. [2018-09-19 12:40:17,076 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 12:40:17,076 INFO L276 IsEmpty]: Start isEmpty. Operand 17954 states and 23579 transitions. [2018-09-19 12:40:17,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-09-19 12:40:17,094 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 12:40:17,095 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 12:40:17,095 INFO L423 AbstractCegarLoop]: === Iteration 22 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 12:40:17,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1313767227, now seen corresponding path program 1 times [2018-09-19 12:40:17,095 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 12:40:17,095 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 307 with the following transitions: [2018-09-19 12:40:17,096 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 12:40:17,099 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 12:40:17,099 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 12:40:17,148 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 12:40:17,633 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 12:40:17,633 INFO L272 AbstractInterpreter]: Visited 119 different actions 704 times. Merged at 8 different actions 45 times. Widened at 1 different actions 1 times. Found 11 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 12:40:17,642 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 12:40:17,883 INFO L232 lantSequenceWeakener]: Weakened 303 states. On average, predicates are now at 73.08% of their original sizes. [2018-09-19 12:40:17,883 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 12:40:17,971 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 12:40:17,972 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 12:40:17,972 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 12:40:17,972 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 12:40:17,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 12:40:17,973 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 12:40:17,973 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 12:40:17,973 INFO L87 Difference]: Start difference. First operand 17954 states and 23579 transitions. Second operand 10 states. [2018-09-19 12:40:21,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 12:40:21,077 INFO L93 Difference]: Finished difference Result 37767 states and 49724 transitions. [2018-09-19 12:40:21,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 12:40:21,080 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 306 [2018-09-19 12:40:21,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 12:40:21,112 INFO L225 Difference]: With dead ends: 37767 [2018-09-19 12:40:21,113 INFO L226 Difference]: Without dead ends: 19963 [2018-09-19 12:40:21,130 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 313 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 12:40:21,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19963 states. [2018-09-19 12:40:21,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19963 to 19520. [2018-09-19 12:40:21,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19520 states. [2018-09-19 12:40:21,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19520 states to 19520 states and 25686 transitions. [2018-09-19 12:40:21,416 INFO L78 Accepts]: Start accepts. Automaton has 19520 states and 25686 transitions. Word has length 306 [2018-09-19 12:40:21,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 12:40:21,416 INFO L480 AbstractCegarLoop]: Abstraction has 19520 states and 25686 transitions. [2018-09-19 12:40:21,416 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 12:40:21,416 INFO L276 IsEmpty]: Start isEmpty. Operand 19520 states and 25686 transitions. [2018-09-19 12:40:21,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-09-19 12:40:21,428 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 12:40:21,428 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-09-19 12:40:21,428 INFO L423 AbstractCegarLoop]: === Iteration 23 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 12:40:21,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1679763521, now seen corresponding path program 1 times [2018-09-19 12:40:21,428 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 12:40:21,428 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 321 with the following transitions: [2018-09-19 12:40:21,429 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [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 12:40:21,431 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 12:40:21,431 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 12:40:21,468 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 12:40:21,755 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 12:40:21,756 INFO L272 AbstractInterpreter]: Visited 119 different actions 819 times. Merged at 8 different actions 52 times. Widened at 1 different actions 2 times. Found 11 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 12:40:21,762 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 12:40:21,998 INFO L232 lantSequenceWeakener]: Weakened 317 states. On average, predicates are now at 73.07% of their original sizes. [2018-09-19 12:40:21,998 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 12:40:22,092 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 12:40:22,093 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 12:40:22,093 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 12:40:22,093 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 12:40:22,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 12:40:22,094 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 12:40:22,094 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 12:40:22,094 INFO L87 Difference]: Start difference. First operand 19520 states and 25686 transitions. Second operand 10 states. [2018-09-19 12:40:25,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 12:40:25,926 INFO L93 Difference]: Finished difference Result 40792 states and 53797 transitions. [2018-09-19 12:40:25,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 12:40:25,927 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 320 [2018-09-19 12:40:25,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 12:40:25,956 INFO L225 Difference]: With dead ends: 40792 [2018-09-19 12:40:25,957 INFO L226 Difference]: Without dead ends: 21422 [2018-09-19 12:40:25,975 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 327 GetRequests, 311 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 12:40:25,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21422 states. [2018-09-19 12:40:26,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21422 to 21074. [2018-09-19 12:40:26,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21074 states. [2018-09-19 12:40:26,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21074 states to 21074 states and 27733 transitions. [2018-09-19 12:40:26,268 INFO L78 Accepts]: Start accepts. Automaton has 21074 states and 27733 transitions. Word has length 320 [2018-09-19 12:40:26,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 12:40:26,269 INFO L480 AbstractCegarLoop]: Abstraction has 21074 states and 27733 transitions. [2018-09-19 12:40:26,269 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 12:40:26,269 INFO L276 IsEmpty]: Start isEmpty. Operand 21074 states and 27733 transitions. [2018-09-19 12:40:26,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2018-09-19 12:40:26,281 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 12:40:26,282 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-09-19 12:40:26,282 INFO L423 AbstractCegarLoop]: === Iteration 24 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 12:40:26,282 INFO L82 PathProgramCache]: Analyzing trace with hash -2137063410, now seen corresponding path program 1 times [2018-09-19 12:40:26,282 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 12:40:26,283 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 322 with the following transitions: [2018-09-19 12:40:26,283 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [526], [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], [694], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 12:40:26,285 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 12:40:26,285 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 12:40:26,328 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 12:40:26,632 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 12:40:26,632 INFO L272 AbstractInterpreter]: Visited 129 different actions 635 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 12:40:26,664 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 12:40:27,174 INFO L232 lantSequenceWeakener]: Weakened 318 states. On average, predicates are now at 73.07% of their original sizes. [2018-09-19 12:40:27,175 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 12:40:27,266 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 12:40:27,266 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 12:40:27,266 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 12:40:27,266 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 12:40:27,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 12:40:27,267 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 12:40:27,267 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 12:40:27,267 INFO L87 Difference]: Start difference. First operand 21074 states and 27733 transitions. Second operand 10 states. [2018-09-19 12:40:30,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 12:40:30,407 INFO L93 Difference]: Finished difference Result 45130 states and 60382 transitions. [2018-09-19 12:40:30,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 12:40:30,409 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 321 [2018-09-19 12:40:30,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 12:40:30,453 INFO L225 Difference]: With dead ends: 45130 [2018-09-19 12:40:30,454 INFO L226 Difference]: Without dead ends: 24206 [2018-09-19 12:40:30,480 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 328 GetRequests, 312 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 12:40:30,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24206 states. [2018-09-19 12:40:30,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24206 to 23793. [2018-09-19 12:40:30,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23793 states. [2018-09-19 12:40:30,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23793 states to 23793 states and 31366 transitions. [2018-09-19 12:40:30,762 INFO L78 Accepts]: Start accepts. Automaton has 23793 states and 31366 transitions. Word has length 321 [2018-09-19 12:40:30,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 12:40:30,762 INFO L480 AbstractCegarLoop]: Abstraction has 23793 states and 31366 transitions. [2018-09-19 12:40:30,763 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 12:40:30,763 INFO L276 IsEmpty]: Start isEmpty. Operand 23793 states and 31366 transitions. [2018-09-19 12:40:30,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-09-19 12:40:30,775 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 12:40:30,775 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 12:40:30,776 INFO L423 AbstractCegarLoop]: === Iteration 25 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 12:40:30,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1983603411, now seen corresponding path program 1 times [2018-09-19 12:40:30,776 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 12:40:30,776 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 323 with the following transitions: [2018-09-19 12:40:30,777 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [718], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 12:40:30,779 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 12:40:30,779 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 12:40:30,811 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 12:40:31,027 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-09-19 12:40:31,027 INFO L272 AbstractInterpreter]: Visited 136 different actions 666 times. Merged at 8 different actions 34 times. Never widened. Found 8 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 12:40:31,037 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-19 12:40:31,082 WARN L209 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2018-09-19 12:40:31,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 12:40:31 BoogieIcfgContainer [2018-09-19 12:40:31,083 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 12:40:31,084 INFO L168 Benchmark]: Toolchain (without parser) took 136877.81 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 2.9 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-09-19 12:40:31,085 INFO L168 Benchmark]: CDTParser took 0.18 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 12:40:31,086 INFO L168 Benchmark]: CACSL2BoogieTranslator took 763.72 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 12:40:31,087 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.56 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 12:40:31,087 INFO L168 Benchmark]: Boogie Preprocessor took 279.08 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 772.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -866.2 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. [2018-09-19 12:40:31,088 INFO L168 Benchmark]: RCFGBuilder took 3264.69 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: 106.2 MB). Peak memory consumption was 106.2 MB. Max. memory is 7.1 GB. [2018-09-19 12:40:31,089 INFO L168 Benchmark]: TraceAbstraction took 132445.12 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 2.9 GB in the end (delta: -722.0 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-09-19 12:40:31,093 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 763.72 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 115.56 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 279.08 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 772.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -866.2 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3264.69 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: 106.2 MB). Peak memory consumption was 106.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 132445.12 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 2.9 GB in the end (delta: -722.0 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 112]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L7] int inputC = 3; [L8] int inputD = 4; [L9] int inputE = 5; [L10] int inputF = 6; [L11] int inputB = 2; [L14] int a1 = 23; [L15] int a19 = 9; [L16] int a10 = 0; [L17] int a12 = 0; [L18] int a4 = 14; [L579] int output = -1; [L582] COND TRUE 1 [L585] int input; [L586] input = __VERIFIER_nondet_int() [L587] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L590] CALL, EXPR calculate_output(input) [L21] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L24] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L27] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L30] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L33] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L36] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L39] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L42] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L45] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L48] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L51] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L54] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L57] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L60] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L63] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L66] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L69] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L72] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L75] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L78] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L81] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L84] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L87] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L90] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L93] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L96] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L99] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L102] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L105] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L108] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L111] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L114] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L117] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L120] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L123] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L126] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L129] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L132] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L135] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L138] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L141] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L144] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L147] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L150] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L153] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L156] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L159] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L162] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L165] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L168] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L171] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L174] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L177] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L180] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L183] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L186] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L189] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L192] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L195] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L198] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L201] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L205] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L210] COND FALSE !(((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0)))) [L215] COND FALSE !(((((a4==14) && ((a19==10) && ((a10==1) && (input == 2)))) && (a12==0)) && 218 < a1 )) [L220] COND FALSE !(((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14)))))) [L225] COND FALSE !(((a19==10) && (((a4==14) && (((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ((a10==0) && 218 < a1 )) || ((a10==1) && a1 <= -13 )) && (input == 5))) && (a12==0)))) [L231] COND FALSE !(((a12==0) && ((a19==9) && (((a4==14) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a10==3))))) [L236] COND FALSE !(((a12==0) && ((((a4==14) && ((input == 3) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a10==2)) && (a19==9)))) [L239] COND FALSE !((((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (((input == 3) && (a19==10)) && (a4==14)))) && (a10==1))) [L244] COND FALSE !((((a19==9) && (((input == 6) && (( 218 < a1 && (a10==0)) || ( a1 <= -13 && (a10==1)))) && (a4==14))) && (a12==0))) [L249] COND FALSE !(( ((38 < a1) && (218 >= a1)) && (((a4==14) && ((a19==10) && ((a10==1) && (input == 4)))) && (a12==0)))) [L254] COND TRUE (((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5)) && (a19==9)) && (a12==0))) && (a10==0)) [L255] a1 = (((a1 / 5) + 110755) + 220746) [L256] a10 = 1 [L257] a19 = 8 [L259] RET return -1; [L590] EXPR calculate_output(input) [L590] output = calculate_output(input) [L582] COND TRUE 1 [L585] int input; [L586] input = __VERIFIER_nondet_int() [L587] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L590] CALL, EXPR calculate_output(input) [L21] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L24] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L27] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L30] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L33] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L36] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L39] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L42] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L45] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L48] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L51] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L54] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L57] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L60] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L63] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L66] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L69] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L72] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L75] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L78] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L81] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L84] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L87] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L90] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L93] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L96] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L99] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L102] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L105] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L108] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L111] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L114] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L117] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L120] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L123] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L126] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L129] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L132] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L135] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L138] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L141] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L144] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L147] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L150] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L153] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L156] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L159] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L162] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L165] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L168] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L171] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L174] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L177] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L180] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L183] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L186] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L189] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L192] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L195] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L198] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L201] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L205] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L210] COND FALSE !(((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0)))) [L215] COND FALSE !(((((a4==14) && ((a19==10) && ((a10==1) && (input == 2)))) && (a12==0)) && 218 < a1 )) [L220] COND TRUE ((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14))))) [L222] a19 = 10 [L224] RET return 25; [L590] EXPR calculate_output(input) [L590] output = calculate_output(input) [L582] COND TRUE 1 [L585] int input; [L586] input = __VERIFIER_nondet_int() [L587] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L590] CALL, EXPR calculate_output(input) [L21] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L24] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L27] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L30] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L33] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L36] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L39] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L42] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L45] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L48] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L51] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L54] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L57] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L60] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L63] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L66] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L69] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L72] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L75] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L78] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L81] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L84] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L87] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L90] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L93] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L96] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L99] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L102] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L105] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L108] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L111] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L114] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L117] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L120] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L123] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L126] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L129] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L132] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L135] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L138] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L141] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L144] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L147] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L150] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L153] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L156] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L159] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L162] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L165] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L168] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L171] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L174] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L177] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L180] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L183] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L186] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L189] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L192] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L195] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L198] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L201] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L205] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L210] COND FALSE !(((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0)))) [L215] COND FALSE !(((((a4==14) && ((a19==10) && ((a10==1) && (input == 2)))) && (a12==0)) && 218 < a1 )) [L220] COND FALSE !(((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14)))))) [L225] COND FALSE !(((a19==10) && (((a4==14) && (((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ((a10==0) && 218 < a1 )) || ((a10==1) && a1 <= -13 )) && (input == 5))) && (a12==0)))) [L231] COND FALSE !(((a12==0) && ((a19==9) && (((a4==14) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a10==3))))) [L236] COND FALSE !(((a12==0) && ((((a4==14) && ((input == 3) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a10==2)) && (a19==9)))) [L239] COND FALSE !((((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (((input == 3) && (a19==10)) && (a4==14)))) && (a10==1))) [L244] COND FALSE !((((a19==9) && (((input == 6) && (( 218 < a1 && (a10==0)) || ( a1 <= -13 && (a10==1)))) && (a4==14))) && (a12==0))) [L249] COND FALSE !(( ((38 < a1) && (218 >= a1)) && (((a4==14) && ((a19==10) && ((a10==1) && (input == 4)))) && (a12==0)))) [L254] COND FALSE !((((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5)) && (a19==9)) && (a12==0))) && (a10==0))) [L260] COND FALSE !((((a4==14) && ((((((a10==2) && ((38 < a1) && (218 >= a1)) ) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3))) && (input == 2)) && (a19==9))) && (a12==0))) [L265] COND FALSE !((((a10==1) && (((a12==0) && ((input == 6) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a4==14))) && (a19==9))) [L271] COND FALSE !(((((((input == 5) && (a4==14)) && 218 < a1 ) && (a10==4)) && (a19==9)) && (a12==0))) [L277] COND FALSE !(((a19==10) && ((a4==14) && ((a12==0) && ((input == 4) && ((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0))) || ((a10==1) && a1 <= -13 ))))))) [L283] COND FALSE !((((a12==0) && ((((a19==9) && (input == 4)) && 218 < a1 ) && (a10==1))) && (a4==14))) [L286] COND FALSE !(((a10==1) && ((a4==14) && ((((a12==0) && (input == 2)) && (a19==9)) && 218 < a1 )))) [L291] COND FALSE !((((a4==14) && (((input == 4) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3)))) && (a19==9))) && (a12==0))) [L296] COND FALSE !(((((a12==0) && ((((a10==0) && 218 < a1 ) || ((a10==1) && a1 <= -13 )) && (input == 2))) && (a19==9)) && (a4==14))) [L301] COND FALSE !((((a4==14) && ((a12==0) && ((input == 3) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))))) && (a19==9))) [L306] COND FALSE !((((((a10==1) && ((a12==0) && (input == 6))) && (a19==10)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14))) [L312] COND FALSE !(((a19==9) && (((a10==4) && ( 218 < a1 && ((a4==14) && (input == 6)))) && (a12==0)))) [L317] COND FALSE !((((a10==0) && ((a12==0) && (((input == 4) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)))) && (a4==14))) [L320] COND FALSE !(((a19==9) && ((((a4==14) && ((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a12==0)) && (a10==2)))) [L323] COND FALSE !((((((a12==0) && ((input == 4) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a19==9)) && (a4==14)) && (a10==3))) [L326] COND FALSE !((((a4==14) && (((a12==0) && ( 218 < a1 && (input == 6))) && (a19==10))) && (a10==1))) [L329] COND FALSE !(((((((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a10==0)) && (a4==14)) && (a12==0))) [L335] COND FALSE !((((((( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 )) && (input == 3)) && (a4==14)) && (a12==0)) && (a19==9))) [L340] COND FALSE !(((a12==0) && ((a19==9) && (((input == 6) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))) && (a4==14))))) [L345] COND FALSE !((((a10==3) && (((a19==9) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5))) && (a12==0))) && (a4==14))) [L351] COND FALSE !((((a12==0) && ((a10==1) && ( 218 < a1 && ((a19==9) && (input == 6))))) && (a4==14))) [L354] COND FALSE !(((a10==0) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 3)) && (a19==10)) && (a4==14))))) [L357] COND FALSE !((((a10==4) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a4==14)) && (a19==9))) && (a12==0))) [L360] COND FALSE !(((a4==14) && ((a10==1) && ((a19==9) && ((a12==0) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4))))))) [L365] COND FALSE !(((a4==14) && ((a19==9) && (((( a1 <= -13 && (a10==3)) || (( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 ))) && (input == 3)) && (a12==0))))) [L370] COND FALSE !((((((a4==14) && ((input == 6) && (a10==1))) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a19==10))) [L375] COND FALSE !(((a4==14) && (((a12==0) && ( 218 < a1 && ((a19==9) && (input == 3)))) && (a10==4)))) [L378] COND FALSE !((((a4==14) && ((a12==0) && ((((a10==3) && 218 < a1 ) || ((a10==4) && a1 <= -13 )) && (input == 4)))) && (a19==9))) [L383] COND FALSE !((((a12==0) && (((a10==4) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 3))) && (a4==14))) && (a19==9))) [L388] COND FALSE !(((a19==9) && ((a4==14) && (((input == 5) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ((a10==3) && a1 <= -13 ))) && (a12==0))))) [L393] COND FALSE !(((a12==0) && (((a19==9) && ((((a10==0) && 218 < a1 ) || ( a1 <= -13 && (a10==1))) && (input == 5))) && (a4==14)))) [L398] COND FALSE !(( 218 < a1 && ((((a12==0) && ((a19==9) && (input == 2))) && (a10==4)) && (a4==14)))) [L403] COND FALSE !((((a12==0) && ((a19==9) && ((((a10==3) && a1 <= -13 ) || (((a10==2) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==2)))) && (input == 6)))) && (a4==14))) [L408] COND FALSE !(((a19==9) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 5)) && (a4==14)) && (a10==2))))) [L414] COND FALSE !((((a10==1) && (((a12==0) && ((a19==10) && (input == 4))) && ((-13 < a1) && (38 >= a1)) )) && (a4==14))) [L419] COND FALSE !(((a12==0) && ((a4==14) && ( 218 < a1 && (((a10==1) && (input == 4)) && (a19==10)))))) [L425] COND FALSE !(((((((input == 3) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a10==0)) && (a19==9)) && (a4==14)) && (a12==0))) [L430] COND FALSE !((((a4==14) && (((( a1 <= -13 && (a10==1)) || (((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0)))) && (input == 6)) && (a19==10))) && (a12==0))) [L436] COND FALSE !(((a19==9) && ((((input == 4) && (( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 ))) && (a12==0)) && (a4==14)))) [L442] COND FALSE !((((a19==10) && ((a12==0) && ((((a10==1) && a1 <= -13 ) || (( ((38 < a1) && (218 >= a1)) && (a10==0)) || ((a10==0) && 218 < a1 ))) && (input == 3)))) && (a4==14))) [L448] COND FALSE !(((a19==9) && (((a4==14) && ((((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4))) && (input == 5))) && (a12==0)))) [L454] COND FALSE !((((a12==0) && ((((input == 5) && (a19==10)) && ((38 < a1) && (218 >= a1)) ) && (a4==14))) && (a10==1))) [L460] COND FALSE !(((a19==9) && ((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 3)) && (a10==1)) && (a12==0))))) [L465] COND FALSE !(((a10==0) && ((a12==0) && ((((input == 5) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a4==14))))) [L471] COND FALSE !(( 218 < a1 && (((((input == 3) && (a10==1)) && (a12==0)) && (a4==14)) && (a19==10)))) [L476] COND FALSE !((((a12==0) && ((a19==9) && (((input == 3) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a4==14)))) && (a10==3))) [L481] COND TRUE (((((a4==14) && ( ((38 < a1) && (218 >= a1)) && (input == 2))) && (a12==0)) && (a10==1)) && (a19==10)) [L482] a1 = ((((a1 * 10)/ -9) * 5) - 333686) [L483] a10 = 4 [L484] a19 = 6 [L486] RET return -1; [L590] EXPR calculate_output(input) [L590] output = calculate_output(input) [L582] COND TRUE 1 [L585] int input; [L586] input = __VERIFIER_nondet_int() [L587] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L590] CALL calculate_output(input) [L21] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L24] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L27] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L30] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L33] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L36] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L39] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L42] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L45] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L48] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L51] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L54] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L57] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L60] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L63] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L66] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L69] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L72] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L75] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L78] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L81] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L84] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L87] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L90] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L93] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L96] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L99] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L102] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L105] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L108] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L111] COND TRUE (((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6)) [L112] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. UNKNOWN Result, 132.3s OverallTime, 25 OverallIterations, 4 TraceHistogramMax, 80.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4088 SDtfs, 18471 SDslu, 8774 SDs, 0 SdLazy, 48163 SolverSat, 5053 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 64.4s Time, PredicateUnifierStatistics: 48 DeclaredPredicates, 5704 GetRequests, 5335 SyntacticMatches, 0 SemanticMatches, 369 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 917 ImplicationChecksByTransitivity, 7.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23793occurred in iteration=24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 30.1s AbstIntTime, 25 AbstIntIterations, 24 AbstIntStrong, 0.9966494817166645 AbsIntWeakeningRatio, 0.11624117327539381 AbsIntAvgWeakeningVarsNumRemoved, 21.550063371356146 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.7s AutomataMinimizationTime, 24 MinimizatonAttempts, 3663 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label03_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_12-40-31-107.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label03_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_12-40-31-107.csv Received shutdown request...