java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label23_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 12:21:37,590 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 12:21:37,593 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 12:21:37,607 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 12:21:37,607 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 12:21:37,608 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 12:21:37,609 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 12:21:37,611 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 12:21:37,613 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 12:21:37,614 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 12:21:37,615 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 12:21:37,615 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 12:21:37,616 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 12:21:37,617 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 12:21:37,618 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 12:21:37,619 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 12:21:37,620 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 12:21:37,622 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 12:21:37,624 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 12:21:37,626 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 12:21:37,627 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 12:21:37,629 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 12:21:37,631 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 12:21:37,632 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 12:21:37,632 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 12:21:37,633 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 12:21:37,634 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 12:21:37,635 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 12:21:37,636 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 12:21:37,637 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 12:21:37,638 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 12:21:37,638 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 12:21:37,639 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 12:21:37,639 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 12:21:37,640 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 12:21:37,641 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 12:21:37,641 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf [2018-10-27 12:21:37,657 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 12:21:37,657 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 12:21:37,658 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 12:21:37,658 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 12:21:37,658 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 12:21:37,659 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 12:21:37,659 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 12:21:37,659 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-27 12:21:37,659 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 12:21:37,659 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 12:21:37,659 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 12:21:37,660 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 12:21:37,660 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 12:21:37,661 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 12:21:37,661 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 12:21:37,661 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 12:21:37,661 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 12:21:37,661 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 12:21:37,662 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 12:21:37,662 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 12:21:37,662 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 12:21:37,662 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 12:21:37,662 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 12:21:37,663 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 12:21:37,663 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 12:21:37,663 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 12:21:37,663 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 12:21:37,663 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 12:21:37,663 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 12:21:37,664 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 12:21:37,664 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 12:21:37,664 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 12:21:37,664 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 12:21:37,664 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 12:21:37,709 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 12:21:37,732 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 12:21:37,736 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 12:21:37,738 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 12:21:37,738 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 12:21:37,739 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label23_true-unreach-call_false-termination.c [2018-10-27 12:21:37,815 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/9ac984909/ce46f3bf464448258718dd059e0d6252/FLAG54e087d0e [2018-10-27 12:21:38,446 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 12:21:38,450 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label23_true-unreach-call_false-termination.c [2018-10-27 12:21:38,480 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/9ac984909/ce46f3bf464448258718dd059e0d6252/FLAG54e087d0e [2018-10-27 12:21:38,497 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/9ac984909/ce46f3bf464448258718dd059e0d6252 [2018-10-27 12:21:38,509 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 12:21:38,511 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 12:21:38,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 12:21:38,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 12:21:38,519 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 12:21:38,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:21:38" (1/1) ... [2018-10-27 12:21:38,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@379aca2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:21:38, skipping insertion in model container [2018-10-27 12:21:38,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:21:38" (1/1) ... [2018-10-27 12:21:38,534 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 12:21:38,603 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 12:21:39,109 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 12:21:39,114 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 12:21:39,234 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 12:21:39,255 INFO L193 MainTranslator]: Completed translation [2018-10-27 12:21:39,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:21:39 WrapperNode [2018-10-27 12:21:39,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 12:21:39,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 12:21:39,257 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 12:21:39,258 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 12:21:39,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:21:39" (1/1) ... [2018-10-27 12:21:39,285 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:21:39" (1/1) ... [2018-10-27 12:21:39,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 12:21:39,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 12:21:39,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 12:21:39,453 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 12:21:39,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:21:39" (1/1) ... [2018-10-27 12:21:39,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:21:39" (1/1) ... [2018-10-27 12:21:39,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:21:39" (1/1) ... [2018-10-27 12:21:39,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:21:39" (1/1) ... [2018-10-27 12:21:39,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:21:39" (1/1) ... [2018-10-27 12:21:39,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:21:39" (1/1) ... [2018-10-27 12:21:39,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:21:39" (1/1) ... [2018-10-27 12:21:39,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 12:21:39,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 12:21:39,564 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 12:21:39,564 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 12:21:39,565 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:21:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-27 12:21:39,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 12:21:39,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 12:21:39,641 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 12:21:39,642 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 12:21:39,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 12:21:39,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 12:21:39,642 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 12:21:39,642 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 12:21:42,920 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 12:21:42,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:21:42 BoogieIcfgContainer [2018-10-27 12:21:42,921 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 12:21:42,923 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 12:21:42,923 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 12:21:42,926 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 12:21:42,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:21:38" (1/3) ... [2018-10-27 12:21:42,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@417f998a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:21:42, skipping insertion in model container [2018-10-27 12:21:42,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:21:39" (2/3) ... [2018-10-27 12:21:42,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@417f998a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:21:42, skipping insertion in model container [2018-10-27 12:21:42,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:21:42" (3/3) ... [2018-10-27 12:21:42,930 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label23_true-unreach-call_false-termination.c [2018-10-27 12:21:42,941 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 12:21:42,950 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 12:21:42,968 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 12:21:43,009 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 12:21:43,009 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 12:21:43,010 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 12:21:43,010 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 12:21:43,010 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 12:21:43,010 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 12:21:43,010 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 12:21:43,011 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 12:21:43,037 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-10-27 12:21:43,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-27 12:21:43,054 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:21:43,055 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 12:21:43,058 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:21:43,064 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:21:43,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1739350872, now seen corresponding path program 1 times [2018-10-27 12:21:43,067 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:21:43,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:21:43,113 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:21:43,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:21:43,113 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:21:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:21:43,724 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 12:21:43,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 12:21:43,854 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 12:21:43,855 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 12:21:43,855 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 12:21:43,861 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 12:21:43,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 12:21:43,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 12:21:43,880 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-10-27 12:21:45,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:21:45,696 INFO L93 Difference]: Finished difference Result 621 states and 1060 transitions. [2018-10-27 12:21:45,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 12:21:45,698 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2018-10-27 12:21:45,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:21:45,721 INFO L225 Difference]: With dead ends: 621 [2018-10-27 12:21:45,722 INFO L226 Difference]: Without dead ends: 382 [2018-10-27 12:21:45,734 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 12:21:45,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-10-27 12:21:45,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 381. [2018-10-27 12:21:45,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2018-10-27 12:21:45,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 637 transitions. [2018-10-27 12:21:45,810 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 637 transitions. Word has length 140 [2018-10-27 12:21:45,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:21:45,812 INFO L481 AbstractCegarLoop]: Abstraction has 381 states and 637 transitions. [2018-10-27 12:21:45,812 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 12:21:45,812 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 637 transitions. [2018-10-27 12:21:45,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-27 12:21:45,820 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:21:45,820 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-27 12:21:45,820 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:21:45,821 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:21:45,821 INFO L82 PathProgramCache]: Analyzing trace with hash -994164683, now seen corresponding path program 1 times [2018-10-27 12:21:45,821 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:21:45,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:21:45,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:21:45,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:21:45,823 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:21:45,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:21:46,243 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 12:21:46,244 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 12:21:46,244 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 12:21:46,244 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 12:21:46,246 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 12:21:46,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 12:21:46,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 12:21:46,247 INFO L87 Difference]: Start difference. First operand 381 states and 637 transitions. Second operand 5 states. [2018-10-27 12:21:47,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:21:47,617 INFO L93 Difference]: Finished difference Result 901 states and 1555 transitions. [2018-10-27 12:21:47,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 12:21:47,618 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2018-10-27 12:21:47,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:21:47,623 INFO L225 Difference]: With dead ends: 901 [2018-10-27 12:21:47,623 INFO L226 Difference]: Without dead ends: 380 [2018-10-27 12:21:47,627 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 12:21:47,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2018-10-27 12:21:47,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2018-10-27 12:21:47,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-10-27 12:21:47,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 632 transitions. [2018-10-27 12:21:47,660 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 632 transitions. Word has length 149 [2018-10-27 12:21:47,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:21:47,660 INFO L481 AbstractCegarLoop]: Abstraction has 380 states and 632 transitions. [2018-10-27 12:21:47,660 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 12:21:47,660 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 632 transitions. [2018-10-27 12:21:47,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-27 12:21:47,666 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:21:47,670 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 12:21:47,670 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:21:47,670 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:21:47,671 INFO L82 PathProgramCache]: Analyzing trace with hash -408118830, now seen corresponding path program 1 times [2018-10-27 12:21:47,671 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:21:47,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:21:47,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:21:47,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:21:47,673 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:21:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:21:47,957 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 12:21:48,083 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 12:21:48,083 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 12:21:48,084 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 12:21:48,084 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 12:21:48,085 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 12:21:48,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 12:21:48,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 12:21:48,086 INFO L87 Difference]: Start difference. First operand 380 states and 632 transitions. Second operand 6 states. [2018-10-27 12:21:50,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:21:50,814 INFO L93 Difference]: Finished difference Result 1184 states and 2066 transitions. [2018-10-27 12:21:50,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 12:21:50,816 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2018-10-27 12:21:50,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:21:50,829 INFO L225 Difference]: With dead ends: 1184 [2018-10-27 12:21:50,830 INFO L226 Difference]: Without dead ends: 810 [2018-10-27 12:21:50,836 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 12:21:50,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2018-10-27 12:21:50,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 800. [2018-10-27 12:21:50,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 800 states. [2018-10-27 12:21:50,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 1274 transitions. [2018-10-27 12:21:50,911 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 1274 transitions. Word has length 174 [2018-10-27 12:21:50,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:21:50,912 INFO L481 AbstractCegarLoop]: Abstraction has 800 states and 1274 transitions. [2018-10-27 12:21:50,912 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 12:21:50,912 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1274 transitions. [2018-10-27 12:21:50,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-10-27 12:21:50,918 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:21:50,918 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 12:21:50,918 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:21:50,918 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:21:50,919 INFO L82 PathProgramCache]: Analyzing trace with hash 464706266, now seen corresponding path program 1 times [2018-10-27 12:21:50,919 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:21:50,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:21:50,920 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:21:50,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:21:50,921 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:21:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:21:51,533 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-27 12:21:51,629 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 12:21:51,629 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:21:51,629 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 12:21:51,630 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 176 with the following transitions: [2018-10-27 12:21:51,633 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [123], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [791], [793], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 12:21:51,689 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 12:21:51,690 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 12:21:53,087 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 12:21:53,089 INFO L272 AbstractInterpreter]: Visited 143 different actions 282 times. Merged at 5 different actions 7 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-10-27 12:21:53,135 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:21:53,135 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 12:21:53,925 INFO L227 lantSequenceWeakener]: Weakened 50 states. On average, predicates are now at 83.33% of their original sizes. [2018-10-27 12:21:53,925 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 12:21:54,657 INFO L415 sIntCurrentIteration]: We unified 174 AI predicates to 174 [2018-10-27 12:21:54,658 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 12:21:54,658 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 12:21:54,659 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [7] total 17 [2018-10-27 12:21:54,659 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 12:21:54,660 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-27 12:21:54,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-27 12:21:54,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2018-10-27 12:21:54,660 INFO L87 Difference]: Start difference. First operand 800 states and 1274 transitions. Second operand 12 states. [2018-10-27 12:22:13,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:22:13,429 INFO L93 Difference]: Finished difference Result 2331 states and 3671 transitions. [2018-10-27 12:22:13,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-10-27 12:22:13,429 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 175 [2018-10-27 12:22:13,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:22:13,438 INFO L225 Difference]: With dead ends: 2331 [2018-10-27 12:22:13,439 INFO L226 Difference]: Without dead ends: 1537 [2018-10-27 12:22:13,442 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 183 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2018-10-27 12:22:13,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1537 states. [2018-10-27 12:22:13,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1537 to 1534. [2018-10-27 12:22:13,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1534 states. [2018-10-27 12:22:13,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1534 states and 2086 transitions. [2018-10-27 12:22:13,496 INFO L78 Accepts]: Start accepts. Automaton has 1534 states and 2086 transitions. Word has length 175 [2018-10-27 12:22:13,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:22:13,497 INFO L481 AbstractCegarLoop]: Abstraction has 1534 states and 2086 transitions. [2018-10-27 12:22:13,497 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-27 12:22:13,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 2086 transitions. [2018-10-27 12:22:13,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-27 12:22:13,504 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:22:13,505 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 12:22:13,505 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:22:13,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:22:13,505 INFO L82 PathProgramCache]: Analyzing trace with hash 2109985497, now seen corresponding path program 1 times [2018-10-27 12:22:13,506 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:22:13,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:22:13,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:22:13,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:22:13,507 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:22:13,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:22:13,697 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 40 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-27 12:22:13,697 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:22:13,697 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 12:22:13,697 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 186 with the following transitions: [2018-10-27 12:22:13,698 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [123], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [791], [793], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 12:22:13,704 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 12:22:13,705 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 12:22:14,356 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 12:22:14,357 INFO L272 AbstractInterpreter]: Visited 144 different actions 434 times. Merged at 7 different actions 24 times. Never widened. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-27 12:22:14,404 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:22:14,404 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 12:22:14,886 INFO L227 lantSequenceWeakener]: Weakened 76 states. On average, predicates are now at 82.49% of their original sizes. [2018-10-27 12:22:14,886 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 12:22:15,751 INFO L415 sIntCurrentIteration]: We unified 184 AI predicates to 184 [2018-10-27 12:22:15,751 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 12:22:15,752 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 12:22:15,752 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [8] total 20 [2018-10-27 12:22:15,752 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 12:22:15,753 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-27 12:22:15,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-27 12:22:15,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2018-10-27 12:22:15,754 INFO L87 Difference]: Start difference. First operand 1534 states and 2086 transitions. Second operand 14 states. [2018-10-27 12:22:28,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:22:28,278 INFO L93 Difference]: Finished difference Result 3227 states and 4624 transitions. [2018-10-27 12:22:28,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-10-27 12:22:28,279 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 185 [2018-10-27 12:22:28,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:22:28,290 INFO L225 Difference]: With dead ends: 3227 [2018-10-27 12:22:28,290 INFO L226 Difference]: Without dead ends: 2139 [2018-10-27 12:22:28,295 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 194 GetRequests, 166 SyntacticMatches, 6 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=125, Invalid=427, Unknown=0, NotChecked=0, Total=552 [2018-10-27 12:22:28,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2139 states. [2018-10-27 12:22:28,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2139 to 2132. [2018-10-27 12:22:28,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2132 states. [2018-10-27 12:22:28,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 2797 transitions. [2018-10-27 12:22:28,366 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 2797 transitions. Word has length 185 [2018-10-27 12:22:28,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:22:28,368 INFO L481 AbstractCegarLoop]: Abstraction has 2132 states and 2797 transitions. [2018-10-27 12:22:28,368 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-10-27 12:22:28,368 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 2797 transitions. [2018-10-27 12:22:28,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-10-27 12:22:28,378 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:22:28,379 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 12:22:28,379 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:22:28,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:22:28,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1738206433, now seen corresponding path program 1 times [2018-10-27 12:22:28,380 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:22:28,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:22:28,381 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:22:28,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:22:28,381 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:22:28,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:22:28,566 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 55 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 12:22:28,566 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:22:28,567 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 12:22:28,567 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 190 with the following transitions: [2018-10-27 12:22:28,568 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [123], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [791], [793], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 12:22:28,581 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 12:22:28,582 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 12:22:28,879 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 12:22:28,880 INFO L272 AbstractInterpreter]: Visited 144 different actions 293 times. Merged at 7 different actions 16 times. Never widened. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-27 12:22:28,889 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:22:28,889 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 12:22:29,179 INFO L227 lantSequenceWeakener]: Weakened 50 states. On average, predicates are now at 83.33% of their original sizes. [2018-10-27 12:22:29,180 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 12:22:29,353 INFO L415 sIntCurrentIteration]: We unified 188 AI predicates to 188 [2018-10-27 12:22:29,353 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 12:22:29,353 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 12:22:29,353 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [6] total 16 [2018-10-27 12:22:29,354 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 12:22:29,354 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-27 12:22:29,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-27 12:22:29,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2018-10-27 12:22:29,355 INFO L87 Difference]: Start difference. First operand 2132 states and 2797 transitions. Second operand 12 states. [2018-10-27 12:22:39,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:22:39,087 INFO L93 Difference]: Finished difference Result 4187 states and 5754 transitions. [2018-10-27 12:22:39,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-10-27 12:22:39,087 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 189 [2018-10-27 12:22:39,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:22:39,099 INFO L225 Difference]: With dead ends: 4187 [2018-10-27 12:22:39,100 INFO L226 Difference]: Without dead ends: 2736 [2018-10-27 12:22:39,105 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 197 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=105, Invalid=315, Unknown=0, NotChecked=0, Total=420 [2018-10-27 12:22:39,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2736 states. [2018-10-27 12:22:39,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2736 to 2728. [2018-10-27 12:22:39,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2728 states. [2018-10-27 12:22:39,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2728 states to 2728 states and 3540 transitions. [2018-10-27 12:22:39,183 INFO L78 Accepts]: Start accepts. Automaton has 2728 states and 3540 transitions. Word has length 189 [2018-10-27 12:22:39,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:22:39,183 INFO L481 AbstractCegarLoop]: Abstraction has 2728 states and 3540 transitions. [2018-10-27 12:22:39,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-27 12:22:39,184 INFO L276 IsEmpty]: Start isEmpty. Operand 2728 states and 3540 transitions. [2018-10-27 12:22:39,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-10-27 12:22:39,193 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:22:39,194 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 12:22:39,194 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:22:39,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:22:39,194 INFO L82 PathProgramCache]: Analyzing trace with hash -1029888413, now seen corresponding path program 1 times [2018-10-27 12:22:39,195 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:22:39,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:22:39,196 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:22:39,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:22:39,196 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:22:39,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:22:39,452 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 12:22:39,744 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 85 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 12:22:39,744 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:22:39,744 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 12:22:39,745 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 212 with the following transitions: [2018-10-27 12:22:39,745 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [119], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [791], [793], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 12:22:39,749 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 12:22:39,749 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 12:22:40,460 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 12:22:40,460 INFO L272 AbstractInterpreter]: Visited 146 different actions 572 times. Merged at 7 different actions 24 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 38 variables. [2018-10-27 12:22:40,467 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:22:40,468 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 12:22:40,468 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:22:40,468 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 12:22:40,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:22:40,477 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 12:22:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:22:40,593 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 12:22:40,822 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 100 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 12:22:40,822 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 12:22:41,089 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-10-27 12:22:41,436 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 100 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 12:22:41,457 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 12:22:41,458 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 16 [2018-10-27 12:22:41,458 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 12:22:41,458 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-27 12:22:41,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-27 12:22:41,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2018-10-27 12:22:41,459 INFO L87 Difference]: Start difference. First operand 2728 states and 3540 transitions. Second operand 14 states. [2018-10-27 12:22:42,318 WARN L179 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 11 [2018-10-27 12:22:45,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:22:45,758 INFO L93 Difference]: Finished difference Result 6288 states and 8910 transitions. [2018-10-27 12:22:45,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-10-27 12:22:45,763 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 211 [2018-10-27 12:22:45,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:22:45,777 INFO L225 Difference]: With dead ends: 6288 [2018-10-27 12:22:45,777 INFO L226 Difference]: Without dead ends: 3114 [2018-10-27 12:22:45,788 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 468 GetRequests, 434 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2018-10-27 12:22:45,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3114 states. [2018-10-27 12:22:45,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3114 to 3042. [2018-10-27 12:22:45,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3042 states. [2018-10-27 12:22:45,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3042 states to 3042 states and 3577 transitions. [2018-10-27 12:22:45,875 INFO L78 Accepts]: Start accepts. Automaton has 3042 states and 3577 transitions. Word has length 211 [2018-10-27 12:22:45,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:22:45,875 INFO L481 AbstractCegarLoop]: Abstraction has 3042 states and 3577 transitions. [2018-10-27 12:22:45,875 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-10-27 12:22:45,876 INFO L276 IsEmpty]: Start isEmpty. Operand 3042 states and 3577 transitions. [2018-10-27 12:22:45,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-10-27 12:22:45,887 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:22:45,887 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 12:22:45,887 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:22:45,887 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:22:45,888 INFO L82 PathProgramCache]: Analyzing trace with hash 113011449, now seen corresponding path program 1 times [2018-10-27 12:22:45,888 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:22:45,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:22:45,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:22:45,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:22:45,889 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:22:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:22:46,312 WARN L179 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 8 [2018-10-27 12:22:46,410 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 12:22:46,410 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:22:46,410 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 12:22:46,411 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 228 with the following transitions: [2018-10-27 12:22:46,411 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [324], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [791], [793], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 12:22:46,416 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 12:22:46,416 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 12:22:47,369 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 12:22:47,369 INFO L272 AbstractInterpreter]: Visited 145 different actions 431 times. Merged at 7 different actions 20 times. Never widened. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-27 12:22:47,409 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:22:47,410 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 12:22:47,410 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:22:47,410 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 12:22:47,423 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:22:47,424 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 12:22:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:22:47,525 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 12:22:47,729 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 12:22:47,730 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 12:22:48,102 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 12:22:48,123 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-10-27 12:22:48,124 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-10-27 12:22:48,124 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 12:22:48,125 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 12:22:48,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 12:22:48,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-10-27 12:22:48,126 INFO L87 Difference]: Start difference. First operand 3042 states and 3577 transitions. Second operand 3 states. [2018-10-27 12:22:48,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:22:48,720 INFO L93 Difference]: Finished difference Result 5789 states and 6977 transitions. [2018-10-27 12:22:48,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 12:22:48,725 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 227 [2018-10-27 12:22:48,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:22:48,739 INFO L225 Difference]: With dead ends: 5789 [2018-10-27 12:22:48,739 INFO L226 Difference]: Without dead ends: 3889 [2018-10-27 12:22:48,746 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 459 GetRequests, 452 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-10-27 12:22:48,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3889 states. [2018-10-27 12:22:48,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3889 to 3826. [2018-10-27 12:22:48,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3826 states. [2018-10-27 12:22:48,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3826 states to 3826 states and 4465 transitions. [2018-10-27 12:22:48,830 INFO L78 Accepts]: Start accepts. Automaton has 3826 states and 4465 transitions. Word has length 227 [2018-10-27 12:22:48,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:22:48,831 INFO L481 AbstractCegarLoop]: Abstraction has 3826 states and 4465 transitions. [2018-10-27 12:22:48,831 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 12:22:48,831 INFO L276 IsEmpty]: Start isEmpty. Operand 3826 states and 4465 transitions. [2018-10-27 12:22:48,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-10-27 12:22:48,844 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:22:48,844 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-27 12:22:48,845 INFO L424 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:22:48,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:22:48,845 INFO L82 PathProgramCache]: Analyzing trace with hash 2042894620, now seen corresponding path program 1 times [2018-10-27 12:22:48,845 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:22:48,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:22:48,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:22:48,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:22:48,846 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:22:48,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:22:49,361 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 130 proven. 28 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-27 12:22:49,361 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:22:49,361 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 12:22:49,362 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 256 with the following transitions: [2018-10-27 12:22:49,362 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [107], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [312], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [791], [793], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 12:22:49,365 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 12:22:49,365 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 12:22:50,043 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 12:22:50,044 INFO L272 AbstractInterpreter]: Visited 145 different actions 433 times. Merged at 7 different actions 20 times. Never widened. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-27 12:22:50,078 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:22:50,079 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 12:22:50,505 INFO L227 lantSequenceWeakener]: Weakened 252 states. On average, predicates are now at 81.06% of their original sizes. [2018-10-27 12:22:50,506 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 12:22:50,949 INFO L415 sIntCurrentIteration]: We unified 254 AI predicates to 254 [2018-10-27 12:22:50,949 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 12:22:50,949 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 12:22:50,949 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-10-27 12:22:50,949 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 12:22:50,950 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-27 12:22:50,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-27 12:22:50,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-10-27 12:22:50,951 INFO L87 Difference]: Start difference. First operand 3826 states and 4465 transitions. Second operand 11 states. [2018-10-27 12:22:58,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:22:58,766 INFO L93 Difference]: Finished difference Result 7479 states and 9006 transitions. [2018-10-27 12:22:58,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-27 12:22:58,767 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 255 [2018-10-27 12:22:58,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:22:58,785 INFO L225 Difference]: With dead ends: 7479 [2018-10-27 12:22:58,785 INFO L226 Difference]: Without dead ends: 4719 [2018-10-27 12:22:58,794 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 266 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=122, Invalid=384, Unknown=0, NotChecked=0, Total=506 [2018-10-27 12:22:58,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4719 states. [2018-10-27 12:22:58,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4719 to 4589. [2018-10-27 12:22:58,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4589 states. [2018-10-27 12:22:58,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4589 states to 4589 states and 5231 transitions. [2018-10-27 12:22:58,897 INFO L78 Accepts]: Start accepts. Automaton has 4589 states and 5231 transitions. Word has length 255 [2018-10-27 12:22:58,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:22:58,898 INFO L481 AbstractCegarLoop]: Abstraction has 4589 states and 5231 transitions. [2018-10-27 12:22:58,898 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-27 12:22:58,898 INFO L276 IsEmpty]: Start isEmpty. Operand 4589 states and 5231 transitions. [2018-10-27 12:22:58,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-10-27 12:22:58,912 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:22:58,913 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 12:22:58,913 INFO L424 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:22:58,913 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:22:58,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1279752066, now seen corresponding path program 1 times [2018-10-27 12:22:58,914 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:22:58,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:22:58,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:22:58,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:22:58,915 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:22:58,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:22:59,327 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 140 proven. 70 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-10-27 12:22:59,327 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:22:59,327 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 12:22:59,327 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 271 with the following transitions: [2018-10-27 12:22:59,328 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [99], [100], [104], [107], [108], [112], [116], [120], [123], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [791], [793], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 12:22:59,331 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 12:22:59,331 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 12:23:03,982 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 12:23:03,982 INFO L272 AbstractInterpreter]: Visited 150 different actions 3494 times. Merged at 10 different actions 295 times. Widened at 1 different actions 20 times. Found 88 fixpoints after 5 different actions. Largest state had 38 variables. [2018-10-27 12:23:03,990 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:23:03,990 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 12:23:03,990 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:23:03,990 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 12:23:03,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:23:03,998 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 12:23:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:23:04,092 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 12:23:04,198 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 209 proven. 2 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-10-27 12:23:04,199 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 12:23:04,410 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 167 proven. 34 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-10-27 12:23:04,431 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 12:23:04,432 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-10-27 12:23:04,432 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 12:23:04,432 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 12:23:04,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 12:23:04,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-10-27 12:23:04,433 INFO L87 Difference]: Start difference. First operand 4589 states and 5231 transitions. Second operand 9 states. [2018-10-27 12:23:07,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:23:07,540 INFO L93 Difference]: Finished difference Result 10484 states and 12305 transitions. [2018-10-27 12:23:07,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-10-27 12:23:07,551 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 270 [2018-10-27 12:23:07,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:23:07,570 INFO L225 Difference]: With dead ends: 10484 [2018-10-27 12:23:07,570 INFO L226 Difference]: Without dead ends: 5558 [2018-10-27 12:23:07,584 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 596 GetRequests, 558 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=330, Invalid=1152, Unknown=0, NotChecked=0, Total=1482 [2018-10-27 12:23:07,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5558 states. [2018-10-27 12:23:07,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5558 to 4874. [2018-10-27 12:23:07,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4874 states. [2018-10-27 12:23:07,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4874 states to 4874 states and 5429 transitions. [2018-10-27 12:23:07,692 INFO L78 Accepts]: Start accepts. Automaton has 4874 states and 5429 transitions. Word has length 270 [2018-10-27 12:23:07,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:23:07,692 INFO L481 AbstractCegarLoop]: Abstraction has 4874 states and 5429 transitions. [2018-10-27 12:23:07,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 12:23:07,693 INFO L276 IsEmpty]: Start isEmpty. Operand 4874 states and 5429 transitions. [2018-10-27 12:23:07,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-10-27 12:23:07,710 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:23:07,711 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2018-10-27 12:23:07,711 INFO L424 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:23:07,711 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:23:07,711 INFO L82 PathProgramCache]: Analyzing trace with hash 91888909, now seen corresponding path program 1 times [2018-10-27 12:23:07,712 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:23:07,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:23:07,712 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:23:07,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:23:07,713 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:23:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:23:08,561 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 272 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-10-27 12:23:08,561 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:23:08,561 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 12:23:08,562 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 328 with the following transitions: [2018-10-27 12:23:08,562 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [107], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [236], [237], [241], [245], [248], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [791], [793], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 12:23:08,567 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 12:23:08,567 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 12:23:09,956 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 12:23:09,956 INFO L272 AbstractInterpreter]: Visited 147 different actions 735 times. Merged at 9 different actions 47 times. Widened at 1 different actions 1 times. Found 11 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-27 12:23:09,964 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:23:09,964 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 12:23:09,964 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:23:09,964 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 12:23:09,972 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:23:09,972 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 12:23:10,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:23:10,084 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 12:23:10,219 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 272 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-10-27 12:23:10,219 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 12:23:10,397 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 272 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-10-27 12:23:10,418 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 12:23:10,419 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-10-27 12:23:10,419 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 12:23:10,419 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 12:23:10,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 12:23:10,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2018-10-27 12:23:10,420 INFO L87 Difference]: Start difference. First operand 4874 states and 5429 transitions. Second operand 7 states. [2018-10-27 12:23:11,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:23:11,579 INFO L93 Difference]: Finished difference Result 8217 states and 9271 transitions. [2018-10-27 12:23:11,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 12:23:11,585 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 327 [2018-10-27 12:23:11,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:23:11,586 INFO L225 Difference]: With dead ends: 8217 [2018-10-27 12:23:11,586 INFO L226 Difference]: Without dead ends: 0 [2018-10-27 12:23:11,609 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 663 GetRequests, 653 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-10-27 12:23:11,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-27 12:23:11,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-27 12:23:11,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-27 12:23:11,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 12:23:11,610 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 327 [2018-10-27 12:23:11,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:23:11,611 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 12:23:11,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 12:23:11,611 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-27 12:23:11,611 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 12:23:11,616 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-27 12:23:11,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:12,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:12,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:12,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:12,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:12,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:12,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:12,289 WARN L179 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 197 [2018-10-27 12:23:12,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:12,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:12,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:12,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:12,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:12,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:12,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:12,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:12,646 WARN L179 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 201 [2018-10-27 12:23:13,577 WARN L179 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 49 [2018-10-27 12:23:13,901 WARN L179 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 77 [2018-10-27 12:23:16,393 WARN L179 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 326 DAG size of output: 81 [2018-10-27 12:23:19,028 WARN L179 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 228 DAG size of output: 106 [2018-10-27 12:23:20,189 WARN L179 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 229 DAG size of output: 99 [2018-10-27 12:23:20,191 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-27 12:23:20,191 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a11~0)| ~a11~0) (= |old(~a17~0)| ~a17~0) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-10-27 12:23:20,192 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-27 12:23:20,192 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,192 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,192 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,192 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,192 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,192 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-10-27 12:23:20,193 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-10-27 12:23:20,193 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-10-27 12:23:20,193 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-10-27 12:23:20,193 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-10-27 12:23:20,193 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-10-27 12:23:20,193 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-10-27 12:23:20,193 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-10-27 12:23:20,193 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-10-27 12:23:20,193 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-10-27 12:23:20,193 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-10-27 12:23:20,194 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-10-27 12:23:20,194 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-10-27 12:23:20,194 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,194 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,194 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,194 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,194 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-10-27 12:23:20,194 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,194 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-10-27 12:23:20,194 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-10-27 12:23:20,195 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-10-27 12:23:20,195 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-10-27 12:23:20,195 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-10-27 12:23:20,195 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-10-27 12:23:20,195 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-10-27 12:23:20,195 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-10-27 12:23:20,195 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-10-27 12:23:20,195 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-10-27 12:23:20,196 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-10-27 12:23:20,196 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-10-27 12:23:20,196 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-10-27 12:23:20,196 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-10-27 12:23:20,196 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-10-27 12:23:20,196 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,196 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,196 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,196 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,197 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,197 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-10-27 12:23:20,197 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-10-27 12:23:20,197 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-10-27 12:23:20,197 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-10-27 12:23:20,197 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-10-27 12:23:20,197 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-10-27 12:23:20,197 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-10-27 12:23:20,198 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-10-27 12:23:20,198 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-10-27 12:23:20,198 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-10-27 12:23:20,198 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-10-27 12:23:20,198 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,198 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,198 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,198 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,198 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,199 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-10-27 12:23:20,199 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-10-27 12:23:20,199 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-10-27 12:23:20,199 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-10-27 12:23:20,199 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-10-27 12:23:20,199 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-10-27 12:23:20,199 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-10-27 12:23:20,199 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-10-27 12:23:20,199 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-10-27 12:23:20,200 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-10-27 12:23:20,200 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-10-27 12:23:20,200 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-10-27 12:23:20,200 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-10-27 12:23:20,200 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,200 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,200 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,200 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,200 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,201 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-10-27 12:23:20,201 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-10-27 12:23:20,201 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-10-27 12:23:20,201 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-10-27 12:23:20,201 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-10-27 12:23:20,201 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-10-27 12:23:20,201 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-10-27 12:23:20,201 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-10-27 12:23:20,201 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-10-27 12:23:20,201 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-10-27 12:23:20,202 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-10-27 12:23:20,202 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-10-27 12:23:20,202 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-10-27 12:23:20,202 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-10-27 12:23:20,202 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-10-27 12:23:20,202 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-10-27 12:23:20,202 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,202 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,202 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,203 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,203 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-10-27 12:23:20,203 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,203 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-10-27 12:23:20,203 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,203 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-10-27 12:23:20,203 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-10-27 12:23:20,203 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-10-27 12:23:20,203 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,203 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,204 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-10-27 12:23:20,204 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-10-27 12:23:20,204 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-10-27 12:23:20,204 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-10-27 12:23:20,204 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-10-27 12:23:20,204 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-10-27 12:23:20,204 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-10-27 12:23:20,204 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-10-27 12:23:20,204 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-10-27 12:23:20,205 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-10-27 12:23:20,205 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-10-27 12:23:20,205 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,205 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,205 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,205 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,205 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,205 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,205 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-10-27 12:23:20,205 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-10-27 12:23:20,206 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-10-27 12:23:20,206 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-10-27 12:23:20,206 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-10-27 12:23:20,206 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-10-27 12:23:20,206 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-10-27 12:23:20,206 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-10-27 12:23:20,206 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-10-27 12:23:20,206 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-10-27 12:23:20,206 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-10-27 12:23:20,206 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,207 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,207 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,207 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,207 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,207 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,207 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-10-27 12:23:20,207 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-10-27 12:23:20,207 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-10-27 12:23:20,207 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-10-27 12:23:20,208 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-10-27 12:23:20,208 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-10-27 12:23:20,208 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-10-27 12:23:20,208 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-10-27 12:23:20,208 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-10-27 12:23:20,208 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-10-27 12:23:20,208 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-10-27 12:23:20,208 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-10-27 12:23:20,208 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-10-27 12:23:20,209 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-10-27 12:23:20,209 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,209 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,209 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,209 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse1 (= |old(~a11~0)| ~a11~0)) (.cse2 (= |old(~a17~0)| ~a17~0)) (.cse14 (= ~a19~0 |old(~a19~0)|)) (.cse3 (= ~a28~0 |old(~a28~0)|)) (.cse15 (= ~a25~0 |old(~a25~0)|))) (let ((.cse12 (< 7 |old(~a28~0)|)) (.cse4 (= 8 |old(~a28~0)|)) (.cse6 (< 7 |old(~a17~0)|)) (.cse5 (= 9 |old(~a28~0)|)) (.cse13 (< 0 |old(~a19~0)|)) (.cse0 (not (= 1 ~a21~0))) (.cse9 (= 1 |old(~a11~0)|)) (.cse7 (not (= 1 |old(~a25~0)|))) (.cse10 (and .cse1 .cse2 .cse14 .cse3 .cse15)) (.cse8 (not (= 1 |old(~a19~0)|))) (.cse11 (not (= |old(~a17~0)| 8)))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 .cse5 .cse6) (or .cse0 .cse7 .cse8 (not (= 8 |old(~a17~0)|)) (and (= 1 ~a11~0) (= 1 ~a25~0) (= 9 ~a28~0) (= 8 ~a17~0) (= 1 ~a19~0)) (not .cse5) (not .cse9)) (or .cse0 .cse9 .cse10 .cse8 .cse4 .cse11) (or .cse0 .cse12 .cse10 .cse11 .cse13) (or .cse0 .cse12 .cse7 .cse8 .cse11 (and .cse2 .cse1 .cse14 .cse3 .cse15)) (or .cse0 (and .cse1 (<= ~a19~0 0) .cse2 .cse3) .cse4 .cse13 .cse6) (or .cse0 .cse9 .cse5 .cse11 .cse13 .cse10) (or (< 6 |calculate_output_#in~input|) (and .cse1 (= ~a17~0 8) .cse14 .cse3 .cse15) (or .cse0 .cse8 (< 1 |old(~a25~0)|) (< |old(~a28~0)| 9) (< 11 |old(~a28~0)|) (< |old(~a25~0)| 0)) .cse11 (< |calculate_output_#in~input| 1)) (or .cse0 .cse9 .cse7 .cse10 .cse8 .cse11)))) [2018-10-27 12:23:20,210 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,210 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,210 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,210 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-10-27 12:23:20,210 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-10-27 12:23:20,210 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-10-27 12:23:20,210 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-10-27 12:23:20,210 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-10-27 12:23:20,210 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-10-27 12:23:20,210 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-10-27 12:23:20,211 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-10-27 12:23:20,211 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-10-27 12:23:20,211 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-10-27 12:23:20,211 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-10-27 12:23:20,211 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-10-27 12:23:20,211 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-10-27 12:23:20,211 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,211 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,211 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,212 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,212 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,212 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,212 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-10-27 12:23:20,212 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-10-27 12:23:20,212 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-10-27 12:23:20,212 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-10-27 12:23:20,212 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-10-27 12:23:20,212 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-10-27 12:23:20,212 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-10-27 12:23:20,212 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-10-27 12:23:20,213 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-10-27 12:23:20,213 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-10-27 12:23:20,213 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-10-27 12:23:20,213 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-10-27 12:23:20,213 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-10-27 12:23:20,213 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-10-27 12:23:20,213 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-10-27 12:23:20,213 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-10-27 12:23:20,213 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,214 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,214 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,214 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,214 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:20,214 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-10-27 12:23:20,214 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-10-27 12:23:20,214 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-10-27 12:23:20,214 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-10-27 12:23:20,215 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 571) no Hoare annotation was computed. [2018-10-27 12:23:20,215 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-10-27 12:23:20,215 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-10-27 12:23:20,215 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-10-27 12:23:20,215 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-10-27 12:23:20,215 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-10-27 12:23:20,215 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-10-27 12:23:20,215 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-10-27 12:23:20,215 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-10-27 12:23:20,216 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-10-27 12:23:20,216 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-10-27 12:23:20,216 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-10-27 12:23:20,216 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-10-27 12:23:20,216 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-10-27 12:23:20,216 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-10-27 12:23:20,216 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-10-27 12:23:20,216 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-27 12:23:20,217 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~z~0 26) (= ~c~0 3) (= ~a21~0 1) (= ~f~0 6) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~y~0 25) (= ~e~0 5) (= ~x~0 24) (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a~0 1) (= ~a19~0 1) (= ~a28~0 7)) [2018-10-27 12:23:20,217 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-27 12:23:20,217 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-27 12:23:20,217 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= |old(~a11~0)| 0)) (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 3 ~c~0)) (not (= |old(~a25~0)| 0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (and (= ~a11~0 0) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= ~a19~0 |old(~a19~0)|)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= 8 |old(~a17~0)|)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-10-27 12:23:20,217 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-10-27 12:23:20,217 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse6 (<= ~a28~0 7)) (.cse4 (= 1 ~a25~0)) (.cse2 (= 1 ~a19~0)) (.cse5 (<= ~a19~0 0)) (.cse0 (= |old(~a17~0)| ~a17~0)) (.cse3 (not (= ~a11~0 1))) (.cse7 (<= ~a17~0 7)) (.cse1 (not (= ~a28~0 8))) (.cse8 (not (= ~a28~0 9)))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= ~a21~0 1)) (not (= ~y~0 25)) (and .cse0 .cse4 .cse2 .cse3) (and .cse5 .cse6 .cse0) (and .cse7 .cse5 .cse1) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= |old(~a11~0)| 0)) (and .cse6 .cse0 .cse4 .cse2) (not (= ~z~0 26)) (not (= 0 |old(~a25~0)|)) (not (= 3 ~c~0)) (not (= 23 ~w~0)) (and .cse5 .cse0 .cse3 .cse8) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 8)) (and (<= ~a28~0 11) (<= 0 ~a25~0) (= ~a17~0 8) (= ~a19~0 1) (<= 9 ~a28~0) (<= ~a25~0 1)) (and .cse7 .cse1 .cse8) (not (= 6 ~f~0)))) [2018-10-27 12:23:20,218 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-10-27 12:23:20,218 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-10-27 12:23:20,218 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse6 (<= ~a28~0 7)) (.cse4 (= 1 ~a25~0)) (.cse2 (= 1 ~a19~0)) (.cse5 (<= ~a19~0 0)) (.cse0 (= |old(~a17~0)| ~a17~0)) (.cse3 (not (= ~a11~0 1))) (.cse7 (<= ~a17~0 7)) (.cse1 (not (= ~a28~0 8))) (.cse8 (not (= ~a28~0 9)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (= 9 ~a28~0) (= 8 ~a17~0) .cse2) (and (<= 1 main_~input~0) (<= main_~input~0 6) (and (<= ~a28~0 11) (<= 0 ~a25~0) (= ~a17~0 8) (= ~a19~0 1) (<= 9 ~a28~0) (<= ~a25~0 1))) (not (= ~a21~0 1)) (not (= ~y~0 25)) (and .cse0 .cse4 .cse2 .cse3) (and .cse5 .cse6 .cse0) (and .cse7 .cse5 .cse1) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= |old(~a11~0)| 0)) (and .cse6 .cse0 .cse4 .cse2) (not (= ~z~0 26)) (not (= 0 |old(~a25~0)|)) (not (= 3 ~c~0)) (not (= 23 ~w~0)) (and .cse5 .cse0 .cse3 .cse8) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 8)) (and .cse7 .cse1 .cse8) (not (= 6 ~f~0)))) [2018-10-27 12:23:20,218 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-10-27 12:23:20,218 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-10-27 12:23:20,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 12:23:20 BoogieIcfgContainer [2018-10-27 12:23:20,234 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 12:23:20,235 INFO L168 Benchmark]: Toolchain (without parser) took 101725.54 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -104.9 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-10-27 12:23:20,236 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-10-27 12:23:20,237 INFO L168 Benchmark]: CACSL2BoogieTranslator took 744.85 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-27 12:23:20,239 INFO L168 Benchmark]: Boogie Procedure Inliner took 195.28 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 727.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -810.5 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2018-10-27 12:23:20,240 INFO L168 Benchmark]: Boogie Preprocessor took 110.21 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 12:23:20,240 INFO L168 Benchmark]: RCFGBuilder took 3358.19 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: 106.0 MB). Peak memory consumption was 106.0 MB. Max. memory is 7.1 GB. [2018-10-27 12:23:20,241 INFO L168 Benchmark]: TraceAbstraction took 97311.61 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 1.5 GB in the end (delta: 567.9 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-10-27 12:23:20,248 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 744.85 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 195.28 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 727.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -810.5 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.21 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3358.19 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: 106.0 MB). Peak memory consumption was 106.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 97311.61 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 1.5 GB in the end (delta: 567.9 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 571]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((\old(a17) == a17 && !(a28 == 8)) && 1 == a19) && !(a11 == 1)) || !(a21 == 1)) || !(y == 25)) || (((\old(a17) == a17 && 1 == a25) && 1 == a19) && !(a11 == 1))) || ((a19 <= 0 && a28 <= 7) && \old(a17) == a17)) || ((a17 <= 7 && a19 <= 0) && !(a28 == 8))) || !(1 == \old(a19))) || !(x == 24)) || !(e == 5)) || !(d == 4)) || !(21 == u)) || !(22 == v)) || !(\old(a11) == 0)) || (((a28 <= 7 && \old(a17) == a17) && 1 == a25) && 1 == a19)) || !(z == 26)) || !(0 == \old(a25))) || !(3 == c)) || !(23 == w)) || (((a19 <= 0 && \old(a17) == a17) && !(a11 == 1)) && !(a28 == 9))) || !(\old(a28) == 7)) || !(a == 1)) || !(\old(a17) == 8)) || (((((a28 <= 11 && 0 <= a25) && a17 == 8) && a19 == 1) && 9 <= a28) && a25 <= 1)) || ((a17 <= 7 && !(a28 == 8)) && !(a28 == 9))) || !(6 == f) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 97.2s OverallTime, 11 OverallIterations, 6 TraceHistogramMax, 64.2s AutomataDifference, 0.0s DeadEndRemovalTime, 8.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 1601 SDtfs, 11747 SDslu, 1756 SDs, 0 SdLazy, 15968 SolverSat, 2611 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.1s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 3048 GetRequests, 2858 SyntacticMatches, 16 SemanticMatches, 174 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 873 ImplicationChecksByTransitivity, 7.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4874occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 11.0s AbstIntTime, 8 AbstIntIterations, 4 AbstIntStrong, 0.9977697419057708 AbsIntWeakeningRatio, 0.165 AbsIntAvgWeakeningVarsNumRemoved, 24.01625 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 11 MinimizatonAttempts, 978 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 166 PreInvPairs, 267 NumberOfFragments, 856 HoareAnnotationTreeSize, 166 FomulaSimplifications, 13658 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 14714 FormulaSimplificationTreeSizeReductionInter, 7.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 3337 NumberOfCodeBlocks, 3337 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 4353 ConstructedInterpolants, 0 QuantifiedInterpolants, 2389459 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2334 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 19 InterpolantComputations, 5 PerfectInterpolantSequences, 2895/3109 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...