java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label54_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 06:46:01,590 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 06:46:01,592 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 06:46:01,604 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 06:46:01,604 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 06:46:01,606 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 06:46:01,607 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 06:46:01,609 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 06:46:01,611 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 06:46:01,612 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 06:46:01,613 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 06:46:01,613 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 06:46:01,614 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 06:46:01,615 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 06:46:01,616 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 06:46:01,617 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 06:46:01,618 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 06:46:01,620 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 06:46:01,622 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 06:46:01,624 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 06:46:01,625 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 06:46:01,627 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 06:46:01,629 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 06:46:01,630 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 06:46:01,630 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 06:46:01,631 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 06:46:01,632 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 06:46:01,633 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 06:46:01,634 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 06:46:01,635 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 06:46:01,635 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 06:46:01,636 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 06:46:01,637 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 06:46:01,637 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 06:46:01,638 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 06:46:01,639 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 06:46:01,639 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf [2018-09-19 06:46:01,656 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 06:46:01,656 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 06:46:01,657 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 06:46:01,657 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 06:46:01,658 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 06:46:01,658 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 06:46:01,658 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-19 06:46:01,658 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 06:46:01,659 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-19 06:46:01,659 INFO L133 SettingsManager]: * Abstract domain=IntervalDomain [2018-09-19 06:46:01,659 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 06:46:01,659 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 06:46:01,660 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 06:46:01,661 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 06:46:01,661 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 06:46:01,661 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 06:46:01,661 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 06:46:01,662 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 06:46:01,662 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 06:46:01,662 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 06:46:01,662 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 06:46:01,663 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 06:46:01,663 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 06:46:01,663 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 06:46:01,663 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 06:46:01,663 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 06:46:01,664 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 06:46:01,664 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 06:46:01,664 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 06:46:01,664 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 06:46:01,665 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 06:46:01,665 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 06:46:01,665 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 06:46:01,665 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 06:46:01,666 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 06:46:01,709 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 06:46:01,730 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 06:46:01,736 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 06:46:01,737 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 06:46:01,738 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 06:46:01,739 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label54_true-unreach-call.c [2018-09-19 06:46:02,137 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2dcb9a294/e47df84f32344e31b6e41a49e64a34fd/FLAGbabcca61a [2018-09-19 06:46:02,718 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 06:46:02,719 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label54_true-unreach-call.c [2018-09-19 06:46:02,765 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2dcb9a294/e47df84f32344e31b6e41a49e64a34fd/FLAGbabcca61a [2018-09-19 06:46:02,782 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2dcb9a294/e47df84f32344e31b6e41a49e64a34fd [2018-09-19 06:46:02,794 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 06:46:02,797 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 06:46:02,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 06:46:02,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 06:46:02,810 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 06:46:02,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 06:46:02" (1/1) ... [2018-09-19 06:46:02,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43a96985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:46:02, skipping insertion in model container [2018-09-19 06:46:02,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 06:46:02" (1/1) ... [2018-09-19 06:46:02,827 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 06:46:04,734 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 06:46:04,754 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 06:46:05,780 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 06:46:06,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:46:06 WrapperNode [2018-09-19 06:46:06,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 06:46:06,539 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 06:46:06,540 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 06:46:06,540 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 06:46:06,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:46:06" (1/1) ... [2018-09-19 06:46:06,723 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:46:06" (1/1) ... [2018-09-19 06:46:06,859 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 06:46:06,859 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 06:46:06,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 06:46:06,859 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 06:46:07,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:46:06" (1/1) ... [2018-09-19 06:46:07,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:46:06" (1/1) ... [2018-09-19 06:46:08,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:46:06" (1/1) ... [2018-09-19 06:46:08,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:46:06" (1/1) ... [2018-09-19 06:46:08,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:46:06" (1/1) ... [2018-09-19 06:46:08,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:46:06" (1/1) ... [2018-09-19 06:46:08,669 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:46:06" (1/1) ... [2018-09-19 06:46:08,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 06:46:08,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 06:46:08,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 06:46:08,873 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 06:46:08,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:46:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 06:46:08,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 06:46:08,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 06:46:08,944 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-09-19 06:46:08,944 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-09-19 06:46:08,945 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-09-19 06:46:08,945 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-09-19 06:46:08,945 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-19 06:46:08,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-19 06:46:08,946 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-19 06:46:08,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-19 06:46:08,946 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-19 06:46:08,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-19 06:46:08,946 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-19 06:46:08,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-19 06:46:08,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 06:46:08,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 06:46:08,948 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 06:46:08,948 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 06:46:27,306 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 06:46:27,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 06:46:27 BoogieIcfgContainer [2018-09-19 06:46:27,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 06:46:27,308 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 06:46:27,308 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 06:46:27,311 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 06:46:27,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 06:46:02" (1/3) ... [2018-09-19 06:46:27,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a83f793 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 06:46:27, skipping insertion in model container [2018-09-19 06:46:27,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:46:06" (2/3) ... [2018-09-19 06:46:27,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a83f793 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 06:46:27, skipping insertion in model container [2018-09-19 06:46:27,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 06:46:27" (3/3) ... [2018-09-19 06:46:27,315 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label54_true-unreach-call.c [2018-09-19 06:46:27,325 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 06:46:27,336 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 06:46:27,406 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 06:46:27,407 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 06:46:27,408 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 06:46:27,408 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 06:46:27,408 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 06:46:27,408 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 06:46:27,408 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 06:46:27,408 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 06:46:27,409 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 06:46:27,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-09-19 06:46:27,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-09-19 06:46:27,485 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:46:27,487 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:46:27,488 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:46:27,493 INFO L82 PathProgramCache]: Analyzing trace with hash 2122689370, now seen corresponding path program 1 times [2018-09-19 06:46:27,496 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:46:27,497 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 72 with the following transitions: [2018-09-19 06:46:27,500 INFO L202 CegarAbsIntRunner]: [0], [1], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5514], [5522], [5530], [5538], [5546], [5554], [5562], [5570], [5578], [5586], [5594], [5602], [5610], [5618], [5626], [5634], [5642], [5650], [5658], [5666], [5674], [5682], [5690], [5694], [5696], [6806], [6810], [6816], [6820], [6837], [6838], [6839], [6841] [2018-09-19 06:46:27,541 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:46:27,542 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:46:27,820 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:46:27,821 INFO L272 AbstractInterpreter]: Visited 70 different actions 70 times. Never merged. Never widened. Never found a fixpoint. Largest state had 25 variables. [2018-09-19 06:46:27,864 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:46:28,021 INFO L232 lantSequenceWeakener]: Weakened 68 states. On average, predicates are now at 77.83% of their original sizes. [2018-09-19 06:46:28,022 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:46:28,272 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:46:28,274 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:46:28,274 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-19 06:46:28,274 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:46:28,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-19 06:46:28,288 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-19 06:46:28,288 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 06:46:28,291 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 6 states. [2018-09-19 06:46:48,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:46:48,795 INFO L93 Difference]: Finished difference Result 4946 states and 9354 transitions. [2018-09-19 06:46:48,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-19 06:46:48,797 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 71 [2018-09-19 06:46:48,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:46:48,853 INFO L225 Difference]: With dead ends: 4946 [2018-09-19 06:46:48,853 INFO L226 Difference]: Without dead ends: 3166 [2018-09-19 06:46:48,867 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 70 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 06:46:48,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3166 states. [2018-09-19 06:46:49,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3166 to 3164. [2018-09-19 06:46:49,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3164 states. [2018-09-19 06:46:49,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 3164 states and 4690 transitions. [2018-09-19 06:46:49,088 INFO L78 Accepts]: Start accepts. Automaton has 3164 states and 4690 transitions. Word has length 71 [2018-09-19 06:46:49,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:46:49,089 INFO L480 AbstractCegarLoop]: Abstraction has 3164 states and 4690 transitions. [2018-09-19 06:46:49,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-19 06:46:49,089 INFO L276 IsEmpty]: Start isEmpty. Operand 3164 states and 4690 transitions. [2018-09-19 06:46:49,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-09-19 06:46:49,105 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:46:49,105 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:46:49,106 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:46:49,106 INFO L82 PathProgramCache]: Analyzing trace with hash -1376911078, now seen corresponding path program 1 times [2018-09-19 06:46:49,107 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:46:49,107 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 312 with the following transitions: [2018-09-19 06:46:49,108 INFO L202 CegarAbsIntRunner]: [0], [1], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5514], [5522], [5530], [5538], [5546], [5554], [5562], [5570], [5578], [5586], [5594], [5602], [5610], [5618], [5626], [5634], [5642], [5650], [5658], [5666], [5674], [5682], [5690], [5694], [5696], [5699], [5707], [5715], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5823], [5827], [5838], [5842], [5846], [5850], [5854], [5858], [5862], [5866], [5870], [5874], [5878], [5882], [5886], [5890], [5894], [5898], [5902], [5906], [5910], [5914], [5918], [5922], [5926], [5930], [5934], [5938], [5942], [5946], [5950], [5954], [5958], [5962], [5966], [5977], [5981], [5985], [5996], [6000], [6004], [6008], [6012], [6016], [6020], [6024], [6028], [6032], [6036], [6040], [6051], [6055], [6059], [6063], [6067], [6071], [6075], [6079], [6083], [6087], [6091], [6102], [6106], [6110], [6121], [6125], [6129], [6140], [6144], [6148], [6152], [6156], [6160], [6164], [6168], [6172], [6176], [6180], [6184], [6188], [6192], [6196], [6200], [6204], [6208], [6212], [6216], [6220], [6224], [6228], [6232], [6236], [6240], [6251], [6255], [6259], [6263], [6267], [6278], [6282], [6286], [6290], [6294], [6298], [6302], [6306], [6310], [6314], [6325], [6329], [6333], [6344], [6348], [6352], [6356], [6360], [6371], [6375], [6379], [6383], [6387], [6391], [6402], [6413], [6417], [6421], [6425], [6429], [6440], [6444], [6455], [6459], [6463], [6467], [6471], [6475], [6486], [6490], [6494], [6498], [6502], [6506], [6510], [6514], [6525], [6529], [6533], [6537], [6541], [6545], [6549], [6553], [6557], [6560], [6802], [6806], [6810], [6816], [6820], [6822], [6837], [6838], [6839], [6841], [6842] [2018-09-19 06:46:49,126 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:46:49,126 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:46:49,706 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:46:49,706 INFO L272 AbstractInterpreter]: Visited 247 different actions 487 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-19 06:46:49,745 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:46:50,163 INFO L232 lantSequenceWeakener]: Weakened 308 states. On average, predicates are now at 75.65% of their original sizes. [2018-09-19 06:46:50,164 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:46:50,975 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:46:50,975 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:46:50,975 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:46:50,975 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:46:50,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:46:50,978 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:46:50,978 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:46:50,978 INFO L87 Difference]: Start difference. First operand 3164 states and 4690 transitions. Second operand 10 states. [2018-09-19 06:47:22,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:47:22,725 INFO L93 Difference]: Finished difference Result 6334 states and 10742 transitions. [2018-09-19 06:47:22,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-19 06:47:22,731 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 311 [2018-09-19 06:47:22,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:47:22,756 INFO L225 Difference]: With dead ends: 6334 [2018-09-19 06:47:22,756 INFO L226 Difference]: Without dead ends: 4566 [2018-09-19 06:47:22,763 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 317 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-09-19 06:47:22,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4566 states. [2018-09-19 06:47:22,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4566 to 4561. [2018-09-19 06:47:22,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4561 states. [2018-09-19 06:47:22,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4561 states to 4561 states and 6104 transitions. [2018-09-19 06:47:22,876 INFO L78 Accepts]: Start accepts. Automaton has 4561 states and 6104 transitions. Word has length 311 [2018-09-19 06:47:22,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:47:22,878 INFO L480 AbstractCegarLoop]: Abstraction has 4561 states and 6104 transitions. [2018-09-19 06:47:22,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:47:22,878 INFO L276 IsEmpty]: Start isEmpty. Operand 4561 states and 6104 transitions. [2018-09-19 06:47:22,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 568 [2018-09-19 06:47:22,899 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:47:22,900 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:47:22,900 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:47:22,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1644230206, now seen corresponding path program 1 times [2018-09-19 06:47:22,901 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:47:22,902 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 568 with the following transitions: [2018-09-19 06:47:22,904 INFO L202 CegarAbsIntRunner]: [0], [1], [4196], [4200], [4204], [4208], [4212], [4216], [4220], [4224], [4228], [4232], [4236], [4240], [4244], [4248], [4252], [4256], [4260], [4264], [4268], [4279], [4290], [4294], [4298], [4309], [4313], [4317], [4321], [4325], [4329], [4333], [4337], [4341], [4345], [4349], [4353], [4357], [4361], [4365], [4369], [4373], [4377], [4381], [4385], [4396], [4400], [4404], [4408], [4412], [4416], [4420], [4431], [4435], [4439], [4443], [4454], [4458], [4462], [4466], [4470], [4474], [4478], [4482], [4486], [4490], [4494], [4498], [4502], [4506], [4510], [4514], [4518], [4522], [4526], [4530], [4534], [4538], [4542], [4553], [4557], [4561], [4565], [4569], [4573], [4577], [4581], [4585], [4589], [4593], [4597], [4601], [4605], [4609], [4620], [4624], [4628], [4632], [4636], [4647], [4651], [4655], [4659], [4663], [4667], [4671], [4675], [4679], [4690], [4694], [4698], [4709], [4713], [4717], [4721], [4725], [4729], [4733], [4737], [4741], [4745], [4749], [4753], [4764], [4768], [4772], [4776], [4780], [4784], [4788], [4792], [4803], [4807], [4811], [4815], [4819], [4823], [4827], [4831], [4835], [4839], [4843], [4847], [4858], [4862], [4873], [4877], [4881], [4885], [4896], [4900], [4904], [4908], [4912], [4916], [4920], [4924], [4935], [4939], [4943], [4954], [4958], [4962], [4966], [4970], [4974], [4978], [4982], [4986], [4990], [4994], [4998], [5002], [5006], [5010], [5014], [5018], [5022], [5026], [5030], [5034], [5038], [5042], [5046], [5050], [5054], [5058], [5062], [5066], [5070], [5074], [5078], [5082], [5086], [5090], [5094], [5105], [5109], [5120], [5124], [5128], [5132], [5136], [5140], [5143], [5226], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5514], [5522], [5530], [5538], [5546], [5554], [5562], [5570], [5578], [5586], [5594], [5602], [5610], [5618], [5626], [5634], [5642], [5650], [5658], [5666], [5674], [5682], [5690], [5694], [5696], [5699], [5707], [5715], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5823], [5827], [5838], [5842], [5846], [5850], [5854], [5858], [5862], [5866], [5870], [5874], [5878], [5882], [5886], [5890], [5894], [5898], [5902], [5906], [5910], [5914], [5918], [5922], [5926], [5930], [5934], [5938], [5942], [5946], [5950], [5954], [5958], [5962], [5966], [5977], [5981], [5985], [5996], [6000], [6004], [6008], [6012], [6016], [6020], [6024], [6028], [6032], [6036], [6040], [6051], [6055], [6059], [6063], [6067], [6071], [6075], [6079], [6083], [6087], [6091], [6102], [6106], [6110], [6121], [6125], [6129], [6140], [6144], [6148], [6152], [6156], [6160], [6164], [6168], [6172], [6176], [6180], [6184], [6188], [6192], [6196], [6200], [6204], [6208], [6212], [6216], [6220], [6224], [6228], [6232], [6236], [6240], [6251], [6255], [6259], [6263], [6267], [6278], [6282], [6286], [6290], [6294], [6298], [6302], [6306], [6310], [6314], [6325], [6329], [6333], [6344], [6348], [6352], [6356], [6360], [6371], [6375], [6379], [6383], [6387], [6391], [6402], [6413], [6417], [6421], [6425], [6429], [6440], [6444], [6455], [6459], [6463], [6467], [6471], [6475], [6486], [6490], [6494], [6498], [6502], [6506], [6510], [6514], [6525], [6529], [6533], [6537], [6541], [6545], [6549], [6553], [6557], [6561], [6565], [6569], [6573], [6577], [6581], [6585], [6589], [6593], [6604], [6608], [6619], [6623], [6634], [6645], [6649], [6653], [6657], [6661], [6665], [6669], [6673], [6677], [6681], [6685], [6689], [6693], [6697], [6701], [6712], [6716], [6727], [6731], [6735], [6739], [6743], [6747], [6751], [6755], [6759], [6763], [6767], [6771], [6775], [6779], [6783], [6787], [6791], [6795], [6799], [6801], [6802], [6806], [6810], [6816], [6820], [6822], [6835], [6836], [6837], [6838], [6839], [6841], [6842] [2018-09-19 06:47:22,922 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:47:22,922 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:47:23,375 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:47:23,838 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:47:23,839 INFO L272 AbstractInterpreter]: Visited 503 different actions 1000 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-19 06:47:23,874 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:47:24,517 INFO L232 lantSequenceWeakener]: Weakened 564 states. On average, predicates are now at 75.36% of their original sizes. [2018-09-19 06:47:24,517 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:47:24,803 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:47:24,804 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:47:24,804 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 06:47:24,804 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:47:24,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 06:47:24,806 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 06:47:24,807 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2018-09-19 06:47:24,807 INFO L87 Difference]: Start difference. First operand 4561 states and 6104 transitions. Second operand 14 states. [2018-09-19 06:47:48,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:47:48,535 INFO L93 Difference]: Finished difference Result 7729 states and 12158 transitions. [2018-09-19 06:47:48,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-09-19 06:47:48,537 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 567 [2018-09-19 06:47:48,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:47:48,569 INFO L225 Difference]: With dead ends: 7729 [2018-09-19 06:47:48,570 INFO L226 Difference]: Without dead ends: 5961 [2018-09-19 06:47:48,578 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 578 GetRequests, 554 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=112, Invalid=538, Unknown=0, NotChecked=0, Total=650 [2018-09-19 06:47:48,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5961 states. [2018-09-19 06:47:48,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5961 to 5958. [2018-09-19 06:47:48,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5958 states. [2018-09-19 06:47:48,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5958 states to 5958 states and 7534 transitions. [2018-09-19 06:47:48,711 INFO L78 Accepts]: Start accepts. Automaton has 5958 states and 7534 transitions. Word has length 567 [2018-09-19 06:47:48,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:47:48,713 INFO L480 AbstractCegarLoop]: Abstraction has 5958 states and 7534 transitions. [2018-09-19 06:47:48,713 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-19 06:47:48,713 INFO L276 IsEmpty]: Start isEmpty. Operand 5958 states and 7534 transitions. [2018-09-19 06:47:48,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2018-09-19 06:47:48,726 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:47:48,727 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:47:48,727 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:47:48,728 INFO L82 PathProgramCache]: Analyzing trace with hash 988297846, now seen corresponding path program 1 times [2018-09-19 06:47:48,728 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:47:48,728 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 581 with the following transitions: [2018-09-19 06:47:48,731 INFO L202 CegarAbsIntRunner]: [0], [1], [4196], [4200], [4204], [4208], [4212], [4216], [4220], [4224], [4228], [4232], [4236], [4240], [4244], [4248], [4252], [4256], [4260], [4264], [4268], [4279], [4290], [4294], [4298], [4309], [4313], [4317], [4321], [4325], [4329], [4333], [4337], [4341], [4345], [4349], [4353], [4357], [4361], [4365], [4369], [4373], [4377], [4381], [4385], [4396], [4400], [4404], [4408], [4412], [4416], [4420], [4431], [4435], [4439], [4443], [4454], [4458], [4462], [4466], [4470], [4474], [4478], [4482], [4486], [4490], [4494], [4498], [4502], [4506], [4510], [4514], [4518], [4522], [4526], [4530], [4534], [4538], [4542], [4553], [4557], [4561], [4565], [4569], [4573], [4577], [4581], [4585], [4589], [4593], [4597], [4601], [4605], [4609], [4620], [4624], [4628], [4632], [4636], [4647], [4651], [4655], [4659], [4663], [4667], [4671], [4675], [4679], [4690], [4694], [4698], [4709], [4713], [4717], [4721], [4725], [4729], [4733], [4737], [4741], [4745], [4749], [4753], [4764], [4768], [4772], [4776], [4780], [4784], [4788], [4792], [4803], [4807], [4811], [4815], [4819], [4823], [4827], [4831], [4835], [4839], [4843], [4847], [4858], [4862], [4873], [4877], [4881], [4885], [4896], [4900], [4904], [4908], [4912], [4916], [4920], [4924], [4935], [4939], [4943], [4954], [4958], [4962], [4966], [4970], [4974], [4978], [4982], [4986], [4990], [4994], [4998], [5002], [5006], [5010], [5014], [5018], [5022], [5026], [5030], [5034], [5038], [5042], [5046], [5050], [5054], [5058], [5062], [5066], [5070], [5074], [5078], [5082], [5086], [5090], [5094], [5105], [5109], [5120], [5124], [5128], [5132], [5136], [5140], [5144], [5148], [5152], [5156], [5167], [5171], [5175], [5179], [5183], [5187], [5191], [5195], [5199], [5202], [5226], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5514], [5522], [5530], [5538], [5546], [5554], [5562], [5570], [5578], [5586], [5594], [5602], [5610], [5618], [5626], [5634], [5642], [5650], [5658], [5666], [5674], [5682], [5690], [5694], [5696], [5699], [5707], [5715], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5823], [5827], [5838], [5842], [5846], [5850], [5854], [5858], [5862], [5866], [5870], [5874], [5878], [5882], [5886], [5890], [5894], [5898], [5902], [5906], [5910], [5914], [5918], [5922], [5926], [5930], [5934], [5938], [5942], [5946], [5950], [5954], [5958], [5962], [5966], [5977], [5981], [5985], [5996], [6000], [6004], [6008], [6012], [6016], [6020], [6024], [6028], [6032], [6036], [6040], [6051], [6055], [6059], [6063], [6067], [6071], [6075], [6079], [6083], [6087], [6091], [6102], [6106], [6110], [6121], [6125], [6129], [6140], [6144], [6148], [6152], [6156], [6160], [6164], [6168], [6172], [6176], [6180], [6184], [6188], [6192], [6196], [6200], [6204], [6208], [6212], [6216], [6220], [6224], [6228], [6232], [6236], [6240], [6251], [6255], [6259], [6263], [6267], [6278], [6282], [6286], [6290], [6294], [6298], [6302], [6306], [6310], [6314], [6325], [6329], [6333], [6344], [6348], [6352], [6356], [6360], [6371], [6375], [6379], [6383], [6387], [6391], [6402], [6413], [6417], [6421], [6425], [6429], [6440], [6444], [6455], [6459], [6463], [6467], [6471], [6475], [6486], [6490], [6494], [6498], [6502], [6506], [6510], [6514], [6525], [6529], [6533], [6537], [6541], [6545], [6549], [6553], [6557], [6561], [6565], [6569], [6573], [6577], [6581], [6585], [6589], [6593], [6604], [6608], [6619], [6623], [6634], [6645], [6649], [6653], [6657], [6661], [6665], [6669], [6673], [6677], [6681], [6685], [6689], [6693], [6697], [6701], [6712], [6716], [6727], [6731], [6735], [6739], [6743], [6747], [6751], [6755], [6759], [6763], [6767], [6771], [6775], [6779], [6783], [6787], [6791], [6795], [6799], [6801], [6802], [6806], [6810], [6816], [6820], [6822], [6835], [6836], [6837], [6838], [6839], [6841], [6842] [2018-09-19 06:47:48,740 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:47:48,740 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:47:49,699 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:47:49,699 INFO L272 AbstractInterpreter]: Visited 516 different actions 1026 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-19 06:47:49,737 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:47:50,187 INFO L232 lantSequenceWeakener]: Weakened 577 states. On average, predicates are now at 75.35% of their original sizes. [2018-09-19 06:47:50,187 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:47:50,397 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:47:50,397 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:47:50,398 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 06:47:50,398 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:47:50,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 06:47:50,399 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 06:47:50,399 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2018-09-19 06:47:50,400 INFO L87 Difference]: Start difference. First operand 5958 states and 7534 transitions. Second operand 14 states. [2018-09-19 06:48:24,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:48:24,649 INFO L93 Difference]: Finished difference Result 9124 states and 13583 transitions. [2018-09-19 06:48:24,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-09-19 06:48:24,651 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 580 [2018-09-19 06:48:24,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:48:24,682 INFO L225 Difference]: With dead ends: 9124 [2018-09-19 06:48:24,682 INFO L226 Difference]: Without dead ends: 7356 [2018-09-19 06:48:24,689 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 591 GetRequests, 567 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=538, Unknown=0, NotChecked=0, Total=650 [2018-09-19 06:48:24,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7356 states. [2018-09-19 06:48:24,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7356 to 7353. [2018-09-19 06:48:24,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7353 states. [2018-09-19 06:48:24,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7353 states to 7353 states and 8947 transitions. [2018-09-19 06:48:24,861 INFO L78 Accepts]: Start accepts. Automaton has 7353 states and 8947 transitions. Word has length 580 [2018-09-19 06:48:24,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:48:24,862 INFO L480 AbstractCegarLoop]: Abstraction has 7353 states and 8947 transitions. [2018-09-19 06:48:24,863 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-19 06:48:24,863 INFO L276 IsEmpty]: Start isEmpty. Operand 7353 states and 8947 transitions. [2018-09-19 06:48:24,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 677 [2018-09-19 06:48:24,882 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:48:24,883 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:48:24,883 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:48:24,885 INFO L82 PathProgramCache]: Analyzing trace with hash 2087386088, now seen corresponding path program 1 times [2018-09-19 06:48:24,885 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:48:24,885 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 677 with the following transitions: [2018-09-19 06:48:24,886 INFO L202 CegarAbsIntRunner]: [0], [1], [4196], [4200], [4204], [4208], [4212], [4216], [4220], [4224], [4228], [4232], [4236], [4240], [4244], [4248], [4252], [4256], [4260], [4264], [4268], [4279], [4290], [4294], [4298], [4309], [4313], [4317], [4321], [4325], [4329], [4333], [4337], [4341], [4345], [4349], [4353], [4357], [4361], [4365], [4369], [4373], [4377], [4381], [4385], [4396], [4400], [4404], [4408], [4412], [4416], [4420], [4431], [4435], [4439], [4443], [4454], [4458], [4462], [4466], [4470], [4474], [4478], [4482], [4486], [4490], [4494], [4498], [4502], [4506], [4510], [4514], [4518], [4522], [4526], [4530], [4534], [4538], [4542], [4553], [4557], [4561], [4565], [4569], [4573], [4577], [4581], [4585], [4589], [4593], [4597], [4601], [4605], [4609], [4620], [4624], [4628], [4632], [4636], [4647], [4651], [4655], [4659], [4663], [4667], [4671], [4675], [4679], [4690], [4694], [4698], [4709], [4713], [4717], [4721], [4725], [4729], [4733], [4737], [4741], [4745], [4749], [4753], [4764], [4768], [4772], [4776], [4780], [4784], [4788], [4792], [4803], [4807], [4811], [4815], [4819], [4823], [4827], [4831], [4835], [4839], [4843], [4847], [4858], [4862], [4873], [4877], [4881], [4885], [4896], [4900], [4904], [4908], [4912], [4916], [4920], [4924], [4935], [4939], [4943], [4954], [4958], [4962], [4966], [4970], [4974], [4978], [4982], [4986], [4990], [4994], [4998], [5002], [5006], [5010], [5014], [5018], [5022], [5026], [5030], [5034], [5038], [5042], [5046], [5050], [5054], [5058], [5062], [5066], [5070], [5074], [5078], [5082], [5086], [5090], [5094], [5105], [5109], [5120], [5124], [5128], [5132], [5136], [5140], [5143], [5226], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5514], [5522], [5530], [5538], [5546], [5554], [5562], [5570], [5578], [5586], [5594], [5602], [5610], [5618], [5626], [5634], [5642], [5650], [5658], [5666], [5674], [5682], [5690], [5694], [5696], [5699], [5707], [5715], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5823], [5827], [5838], [5842], [5846], [5850], [5854], [5858], [5862], [5866], [5870], [5874], [5878], [5882], [5886], [5890], [5894], [5898], [5902], [5906], [5910], [5914], [5917], [5918], [5922], [5926], [5930], [5934], [5938], [5942], [5946], [5950], [5954], [5958], [5962], [5966], [5977], [5981], [5985], [5996], [6000], [6004], [6008], [6012], [6016], [6020], [6024], [6028], [6032], [6036], [6040], [6051], [6055], [6059], [6063], [6067], [6071], [6075], [6079], [6083], [6087], [6091], [6102], [6106], [6110], [6121], [6125], [6129], [6140], [6144], [6148], [6152], [6156], [6160], [6164], [6168], [6172], [6176], [6180], [6184], [6188], [6192], [6196], [6200], [6204], [6208], [6212], [6216], [6220], [6224], [6228], [6232], [6236], [6240], [6251], [6255], [6259], [6263], [6267], [6278], [6282], [6286], [6290], [6294], [6298], [6302], [6306], [6310], [6314], [6325], [6329], [6333], [6344], [6348], [6352], [6356], [6360], [6371], [6375], [6379], [6383], [6387], [6391], [6402], [6413], [6417], [6421], [6425], [6429], [6440], [6444], [6455], [6459], [6463], [6467], [6471], [6475], [6486], [6490], [6494], [6498], [6502], [6506], [6510], [6514], [6525], [6529], [6533], [6537], [6541], [6545], [6549], [6553], [6557], [6561], [6565], [6569], [6573], [6577], [6581], [6585], [6589], [6593], [6604], [6608], [6619], [6623], [6634], [6645], [6649], [6653], [6657], [6661], [6665], [6669], [6673], [6677], [6681], [6685], [6689], [6693], [6697], [6701], [6712], [6716], [6727], [6731], [6735], [6739], [6743], [6747], [6751], [6755], [6759], [6763], [6767], [6771], [6775], [6779], [6783], [6787], [6791], [6795], [6799], [6801], [6802], [6806], [6810], [6816], [6820], [6822], [6835], [6836], [6837], [6838], [6839], [6841], [6842] [2018-09-19 06:48:24,896 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:48:24,896 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:48:25,244 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:48:26,099 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:48:26,100 INFO L272 AbstractInterpreter]: Visited 504 different actions 1503 times. Merged at 7 different actions 13 times. Never widened. Found 3 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-19 06:48:26,134 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:48:26,697 INFO L232 lantSequenceWeakener]: Weakened 673 states. On average, predicates are now at 75.31% of their original sizes. [2018-09-19 06:48:26,697 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:48:26,865 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:48:26,866 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:48:26,866 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 06:48:26,866 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:48:26,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 06:48:26,867 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 06:48:26,867 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2018-09-19 06:48:26,867 INFO L87 Difference]: Start difference. First operand 7353 states and 8947 transitions. Second operand 14 states. [2018-09-19 06:49:07,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:49:07,198 INFO L93 Difference]: Finished difference Result 10543 states and 15031 transitions. [2018-09-19 06:49:07,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-09-19 06:49:07,199 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 676 [2018-09-19 06:49:07,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:49:07,228 INFO L225 Difference]: With dead ends: 10543 [2018-09-19 06:49:07,228 INFO L226 Difference]: Without dead ends: 8775 [2018-09-19 06:49:07,235 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 687 GetRequests, 663 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=538, Unknown=0, NotChecked=0, Total=650 [2018-09-19 06:49:07,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8775 states. [2018-09-19 06:49:07,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8775 to 8767. [2018-09-19 06:49:07,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8767 states. [2018-09-19 06:49:07,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8767 states to 8767 states and 10419 transitions. [2018-09-19 06:49:07,377 INFO L78 Accepts]: Start accepts. Automaton has 8767 states and 10419 transitions. Word has length 676 [2018-09-19 06:49:07,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:49:07,378 INFO L480 AbstractCegarLoop]: Abstraction has 8767 states and 10419 transitions. [2018-09-19 06:49:07,379 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-19 06:49:07,379 INFO L276 IsEmpty]: Start isEmpty. Operand 8767 states and 10419 transitions. [2018-09-19 06:49:07,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 785 [2018-09-19 06:49:07,405 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:49:07,405 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:49:07,406 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:49:07,406 INFO L82 PathProgramCache]: Analyzing trace with hash -812042289, now seen corresponding path program 1 times [2018-09-19 06:49:07,406 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:49:07,407 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 785 with the following transitions: [2018-09-19 06:49:07,407 INFO L202 CegarAbsIntRunner]: [0], [1], [4196], [4200], [4204], [4208], [4212], [4216], [4220], [4224], [4228], [4232], [4236], [4240], [4244], [4248], [4252], [4256], [4260], [4264], [4268], [4279], [4290], [4294], [4298], [4309], [4313], [4317], [4321], [4325], [4329], [4333], [4337], [4341], [4345], [4349], [4353], [4357], [4361], [4365], [4369], [4373], [4377], [4381], [4385], [4396], [4400], [4404], [4408], [4412], [4416], [4420], [4431], [4435], [4439], [4443], [4454], [4458], [4462], [4466], [4470], [4474], [4478], [4482], [4486], [4490], [4494], [4498], [4502], [4506], [4510], [4514], [4518], [4522], [4526], [4530], [4534], [4538], [4542], [4553], [4557], [4561], [4565], [4569], [4573], [4577], [4581], [4585], [4589], [4593], [4597], [4601], [4605], [4609], [4620], [4624], [4628], [4632], [4636], [4647], [4651], [4655], [4659], [4663], [4667], [4671], [4675], [4679], [4690], [4694], [4698], [4709], [4713], [4717], [4721], [4725], [4729], [4733], [4737], [4741], [4745], [4749], [4753], [4764], [4768], [4772], [4776], [4780], [4784], [4788], [4792], [4803], [4807], [4811], [4815], [4819], [4823], [4827], [4831], [4835], [4839], [4843], [4847], [4858], [4862], [4873], [4877], [4881], [4885], [4896], [4900], [4904], [4908], [4912], [4916], [4920], [4924], [4935], [4939], [4943], [4954], [4958], [4962], [4966], [4970], [4974], [4978], [4982], [4986], [4990], [4994], [4998], [5002], [5006], [5010], [5014], [5018], [5022], [5026], [5030], [5034], [5038], [5042], [5046], [5050], [5054], [5058], [5062], [5066], [5070], [5074], [5078], [5082], [5086], [5090], [5094], [5105], [5109], [5120], [5124], [5128], [5132], [5136], [5140], [5143], [5226], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5514], [5522], [5530], [5538], [5546], [5554], [5562], [5570], [5578], [5586], [5594], [5602], [5610], [5618], [5626], [5634], [5642], [5650], [5658], [5666], [5674], [5682], [5690], [5694], [5696], [5699], [5707], [5715], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5823], [5827], [5838], [5842], [5846], [5850], [5854], [5858], [5862], [5866], [5870], [5874], [5878], [5882], [5886], [5890], [5894], [5898], [5902], [5906], [5910], [5914], [5918], [5922], [5926], [5930], [5934], [5938], [5942], [5946], [5950], [5954], [5958], [5962], [5966], [5977], [5981], [5985], [5996], [6000], [6004], [6008], [6012], [6016], [6020], [6024], [6028], [6032], [6036], [6040], [6051], [6055], [6059], [6063], [6067], [6071], [6075], [6079], [6083], [6087], [6091], [6102], [6106], [6110], [6121], [6125], [6129], [6140], [6144], [6148], [6152], [6156], [6160], [6164], [6168], [6172], [6176], [6180], [6184], [6188], [6192], [6196], [6200], [6204], [6208], [6212], [6216], [6220], [6224], [6228], [6232], [6236], [6240], [6251], [6255], [6259], [6263], [6267], [6278], [6282], [6286], [6290], [6294], [6298], [6302], [6306], [6310], [6314], [6325], [6329], [6333], [6344], [6348], [6352], [6356], [6360], [6371], [6375], [6379], [6383], [6387], [6391], [6402], [6413], [6417], [6421], [6425], [6429], [6432], [6437], [6439], [6440], [6444], [6455], [6459], [6463], [6467], [6471], [6475], [6486], [6490], [6494], [6498], [6502], [6506], [6510], [6514], [6525], [6529], [6533], [6537], [6541], [6545], [6549], [6553], [6557], [6561], [6565], [6569], [6573], [6577], [6581], [6585], [6589], [6593], [6604], [6608], [6619], [6623], [6634], [6645], [6649], [6653], [6657], [6661], [6665], [6669], [6673], [6677], [6681], [6685], [6689], [6693], [6697], [6701], [6712], [6716], [6727], [6731], [6735], [6739], [6743], [6747], [6751], [6755], [6759], [6763], [6767], [6771], [6775], [6779], [6783], [6787], [6791], [6795], [6799], [6801], [6802], [6806], [6810], [6816], [6820], [6822], [6835], [6836], [6837], [6838], [6839], [6841], [6842] [2018-09-19 06:49:07,415 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:49:07,415 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:49:07,712 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:49:08,189 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:49:08,189 INFO L272 AbstractInterpreter]: Visited 506 different actions 1507 times. Merged at 7 different actions 13 times. Never widened. Found 3 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-19 06:49:08,197 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:49:08,754 INFO L232 lantSequenceWeakener]: Weakened 781 states. On average, predicates are now at 75.29% of their original sizes. [2018-09-19 06:49:08,754 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:49:08,959 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:49:08,959 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:49:08,959 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-09-19 06:49:08,959 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:49:08,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-09-19 06:49:08,961 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-09-19 06:49:08,961 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2018-09-19 06:49:08,961 INFO L87 Difference]: Start difference. First operand 8767 states and 10419 transitions. Second operand 16 states. [2018-09-19 06:49:47,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:49:47,755 INFO L93 Difference]: Finished difference Result 11933 states and 16468 transitions. [2018-09-19 06:49:47,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-09-19 06:49:47,756 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 784 [2018-09-19 06:49:47,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:49:47,778 INFO L225 Difference]: With dead ends: 11933 [2018-09-19 06:49:47,779 INFO L226 Difference]: Without dead ends: 10165 [2018-09-19 06:49:47,784 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 804 GetRequests, 769 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=183, Invalid=1149, Unknown=0, NotChecked=0, Total=1332 [2018-09-19 06:49:47,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10165 states. [2018-09-19 06:49:47,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10165 to 10161. [2018-09-19 06:49:47,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10161 states. [2018-09-19 06:49:47,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10161 states to 10161 states and 11825 transitions. [2018-09-19 06:49:47,926 INFO L78 Accepts]: Start accepts. Automaton has 10161 states and 11825 transitions. Word has length 784 [2018-09-19 06:49:47,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:49:47,927 INFO L480 AbstractCegarLoop]: Abstraction has 10161 states and 11825 transitions. [2018-09-19 06:49:47,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-09-19 06:49:47,928 INFO L276 IsEmpty]: Start isEmpty. Operand 10161 states and 11825 transitions. [2018-09-19 06:49:47,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 803 [2018-09-19 06:49:47,938 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:49:47,939 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:49:47,939 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:49:47,940 INFO L82 PathProgramCache]: Analyzing trace with hash -914980783, now seen corresponding path program 1 times [2018-09-19 06:49:47,940 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:49:47,940 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 803 with the following transitions: [2018-09-19 06:49:47,941 INFO L202 CegarAbsIntRunner]: [0], [1], [4196], [4200], [4204], [4208], [4212], [4216], [4220], [4224], [4228], [4232], [4236], [4240], [4244], [4248], [4252], [4256], [4260], [4264], [4268], [4279], [4290], [4294], [4298], [4309], [4313], [4317], [4321], [4325], [4329], [4333], [4337], [4341], [4345], [4349], [4353], [4357], [4361], [4365], [4369], [4373], [4377], [4381], [4385], [4396], [4400], [4404], [4408], [4412], [4416], [4420], [4431], [4435], [4439], [4443], [4454], [4458], [4462], [4466], [4470], [4474], [4478], [4482], [4486], [4490], [4494], [4498], [4502], [4506], [4510], [4514], [4518], [4522], [4526], [4530], [4534], [4538], [4542], [4553], [4557], [4561], [4565], [4569], [4573], [4577], [4581], [4585], [4589], [4593], [4597], [4601], [4605], [4609], [4620], [4624], [4628], [4632], [4636], [4647], [4651], [4655], [4659], [4663], [4667], [4671], [4675], [4679], [4690], [4694], [4698], [4709], [4713], [4717], [4721], [4725], [4729], [4733], [4737], [4741], [4745], [4749], [4753], [4764], [4768], [4772], [4776], [4780], [4784], [4788], [4792], [4803], [4807], [4811], [4815], [4819], [4823], [4827], [4831], [4835], [4839], [4843], [4847], [4858], [4862], [4873], [4877], [4881], [4885], [4896], [4900], [4904], [4908], [4912], [4916], [4920], [4924], [4935], [4939], [4943], [4954], [4958], [4962], [4966], [4970], [4974], [4978], [4982], [4986], [4990], [4994], [4998], [5002], [5006], [5010], [5014], [5018], [5022], [5026], [5030], [5034], [5038], [5042], [5046], [5050], [5054], [5058], [5062], [5066], [5070], [5074], [5078], [5082], [5086], [5090], [5094], [5105], [5109], [5120], [5124], [5128], [5132], [5136], [5140], [5143], [5226], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5514], [5522], [5530], [5538], [5546], [5554], [5562], [5570], [5578], [5586], [5594], [5602], [5610], [5618], [5626], [5634], [5642], [5650], [5658], [5666], [5674], [5682], [5690], [5694], [5696], [5699], [5707], [5715], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5823], [5827], [5838], [5842], [5846], [5850], [5854], [5858], [5862], [5866], [5870], [5874], [5878], [5882], [5886], [5890], [5894], [5898], [5902], [5906], [5910], [5914], [5918], [5922], [5926], [5930], [5934], [5938], [5942], [5946], [5950], [5954], [5958], [5962], [5966], [5977], [5981], [5985], [5996], [6000], [6004], [6008], [6012], [6016], [6020], [6024], [6028], [6032], [6036], [6040], [6051], [6055], [6059], [6063], [6067], [6071], [6075], [6079], [6083], [6087], [6091], [6102], [6106], [6110], [6121], [6125], [6129], [6140], [6144], [6148], [6152], [6156], [6160], [6164], [6168], [6172], [6176], [6180], [6184], [6188], [6192], [6196], [6200], [6204], [6208], [6212], [6216], [6220], [6224], [6228], [6232], [6236], [6240], [6251], [6255], [6259], [6263], [6267], [6278], [6282], [6286], [6290], [6294], [6298], [6302], [6306], [6310], [6314], [6325], [6329], [6333], [6344], [6348], [6352], [6356], [6360], [6371], [6375], [6379], [6383], [6387], [6391], [6402], [6413], [6417], [6421], [6425], [6429], [6440], [6444], [6455], [6459], [6463], [6467], [6471], [6475], [6486], [6490], [6494], [6498], [6502], [6506], [6510], [6514], [6525], [6529], [6533], [6537], [6540], [6541], [6545], [6549], [6553], [6557], [6561], [6565], [6569], [6573], [6577], [6581], [6585], [6589], [6593], [6604], [6608], [6619], [6623], [6634], [6645], [6649], [6653], [6657], [6661], [6665], [6669], [6673], [6677], [6681], [6685], [6689], [6693], [6697], [6701], [6712], [6716], [6727], [6731], [6735], [6739], [6743], [6747], [6751], [6755], [6759], [6763], [6767], [6771], [6775], [6779], [6783], [6787], [6791], [6795], [6799], [6801], [6802], [6806], [6810], [6816], [6820], [6822], [6835], [6836], [6837], [6838], [6839], [6841], [6842] [2018-09-19 06:49:47,949 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:49:47,949 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:49:48,256 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:49:48,728 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:49:48,728 INFO L272 AbstractInterpreter]: Visited 504 different actions 1503 times. Merged at 7 different actions 13 times. Never widened. Found 3 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-19 06:49:48,752 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:49:49,292 INFO L232 lantSequenceWeakener]: Weakened 799 states. On average, predicates are now at 75.26% of their original sizes. [2018-09-19 06:49:49,292 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:49:49,442 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:49:49,443 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:49:49,443 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 06:49:49,443 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:49:49,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 06:49:49,444 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 06:49:49,444 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2018-09-19 06:49:49,444 INFO L87 Difference]: Start difference. First operand 10161 states and 11825 transitions. Second operand 14 states. Received shutdown request... [2018-09-19 06:50:02,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-09-19 06:50:02,889 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-19 06:50:02,895 WARN L206 ceAbstractionStarter]: Timeout [2018-09-19 06:50:02,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 06:50:02 BoogieIcfgContainer [2018-09-19 06:50:02,896 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 06:50:02,897 INFO L168 Benchmark]: Toolchain (without parser) took 240102.32 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.2 GB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-09-19 06:50:02,899 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 06:50:02,899 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3740.09 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 218.6 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -139.1 MB). Peak memory consumption was 487.9 MB. Max. memory is 7.1 GB. [2018-09-19 06:50:02,900 INFO L168 Benchmark]: Boogie Procedure Inliner took 319.41 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 63.8 MB). Peak memory consumption was 63.8 MB. Max. memory is 7.1 GB. [2018-09-19 06:50:02,901 INFO L168 Benchmark]: Boogie Preprocessor took 2012.87 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 824.7 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -829.7 MB). Peak memory consumption was 128.1 MB. Max. memory is 7.1 GB. [2018-09-19 06:50:02,902 INFO L168 Benchmark]: RCFGBuilder took 18434.85 ms. Allocated memory was 2.6 GB in the beginning and 2.9 GB in the end (delta: 299.4 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 87.6 MB). Peak memory consumption was 997.4 MB. Max. memory is 7.1 GB. [2018-09-19 06:50:02,903 INFO L168 Benchmark]: TraceAbstraction took 215588.00 ms. Allocated memory was 2.9 GB in the beginning and 3.8 GB in the end (delta: 892.3 MB). Free memory was 2.2 GB in the beginning and 2.5 GB in the end (delta: -274.3 MB). Peak memory consumption was 618.0 MB. Max. memory is 7.1 GB. [2018-09-19 06:50:02,909 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 3740.09 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 218.6 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -139.1 MB). Peak memory consumption was 487.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 319.41 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 63.8 MB). Peak memory consumption was 63.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 2012.87 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 824.7 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -829.7 MB). Peak memory consumption was 128.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 18434.85 ms. Allocated memory was 2.6 GB in the beginning and 2.9 GB in the end (delta: 299.4 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 87.6 MB). Peak memory consumption was 997.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 215588.00 ms. Allocated memory was 2.9 GB in the beginning and 3.8 GB in the end (delta: 892.3 MB). Free memory was 2.2 GB in the beginning and 2.5 GB in the end (delta: -274.3 MB). Peak memory consumption was 618.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 208]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 208). Cancelled while BasicCegarLoop was constructing difference of abstraction (10161states) and FLOYD_HOARE automaton (currently 20 states, 14 states before enhancement), while ReachableStatesComputation was computing reachable states (5111 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 215.4s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 203.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12134 SDtfs, 26159 SDslu, 7829 SDs, 0 SdLazy, 153704 SolverSat, 8657 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 173.7s Time, PredicateUnifierStatistics: 14 DeclaredPredicates, 3860 GetRequests, 3710 SyntacticMatches, 0 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 639 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10161occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 5.8s AbstIntTime, 7 AbstIntIterations, 7 AbstIntStrong, 0.9988424390053685 AbsIntWeakeningRatio, 0.04783298097251586 AbsIntAvgWeakeningVarsNumRemoved, 21.417283298097253 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 6 MinimizatonAttempts, 25 StatesRemovedByMinimization, 6 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: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label54_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_06-50-02-923.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label54_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_06-50-02-923.csv Completed graceful shutdown