java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem15_label43_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 09:09:43,619 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 09:09:43,622 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 09:09:43,635 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 09:09:43,635 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 09:09:43,636 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 09:09:43,638 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 09:09:43,640 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 09:09:43,642 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 09:09:43,643 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 09:09:43,644 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 09:09:43,644 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 09:09:43,645 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 09:09:43,646 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 09:09:43,647 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 09:09:43,648 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 09:09:43,649 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 09:09:43,651 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 09:09:43,654 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 09:09:43,655 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 09:09:43,657 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 09:09:43,658 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 09:09:43,660 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 09:09:43,660 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 09:09:43,661 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 09:09:43,662 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 09:09:43,663 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 09:09:43,663 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 09:09:43,664 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 09:09:43,667 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 09:09:43,667 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 09:09:43,668 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 09:09:43,668 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 09:09:43,668 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 09:09:43,671 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 09:09:43,672 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 09:09:43,673 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-11-07 09:09:43,704 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 09:09:43,704 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 09:09:43,708 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 09:09:43,708 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 09:09:43,709 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 09:09:43,709 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 09:09:43,709 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-07 09:09:43,709 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 09:09:43,710 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 09:09:43,710 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 09:09:43,710 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 09:09:43,711 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 09:09:43,711 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 09:09:43,711 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 09:09:43,712 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 09:09:43,712 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 09:09:43,712 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 09:09:43,713 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 09:09:43,713 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 09:09:43,713 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 09:09:43,713 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 09:09:43,713 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 09:09:43,715 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 09:09:43,716 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 09:09:43,716 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 09:09:43,716 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 09:09:43,716 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 09:09:43,717 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 09:09:43,717 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 09:09:43,717 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 09:09:43,717 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 09:09:43,717 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 09:09:43,718 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 09:09:43,718 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 09:09:43,718 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 09:09:43,718 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 09:09:43,789 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 09:09:43,806 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 09:09:43,811 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 09:09:43,813 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 09:09:43,813 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 09:09:43,814 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label43_true-unreach-call.c [2018-11-07 09:09:43,891 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b87e41f6/1f18c77f21814724a8b898207c080c2a/FLAGe98f7fcab [2018-11-07 09:09:44,604 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 09:09:44,606 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label43_true-unreach-call.c [2018-11-07 09:09:44,624 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b87e41f6/1f18c77f21814724a8b898207c080c2a/FLAGe98f7fcab [2018-11-07 09:09:44,642 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b87e41f6/1f18c77f21814724a8b898207c080c2a [2018-11-07 09:09:44,653 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 09:09:44,655 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 09:09:44,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 09:09:44,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 09:09:44,661 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 09:09:44,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:09:44" (1/1) ... [2018-11-07 09:09:44,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@596e7265 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:09:44, skipping insertion in model container [2018-11-07 09:09:44,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:09:44" (1/1) ... [2018-11-07 09:09:44,678 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 09:09:44,782 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 09:09:45,591 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 09:09:45,597 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 09:09:45,895 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 09:09:45,917 INFO L193 MainTranslator]: Completed translation [2018-11-07 09:09:45,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:09:45 WrapperNode [2018-11-07 09:09:45,918 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 09:09:45,919 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 09:09:45,919 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 09:09:45,920 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 09:09:45,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:09:45" (1/1) ... [2018-11-07 09:09:46,140 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:09:45" (1/1) ... [2018-11-07 09:09:46,152 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 09:09:46,153 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 09:09:46,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 09:09:46,153 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 09:09:46,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:09:45" (1/1) ... [2018-11-07 09:09:46,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:09:45" (1/1) ... [2018-11-07 09:09:46,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:09:45" (1/1) ... [2018-11-07 09:09:46,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:09:45" (1/1) ... [2018-11-07 09:09:46,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:09:45" (1/1) ... [2018-11-07 09:09:46,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:09:45" (1/1) ... [2018-11-07 09:09:46,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:09:45" (1/1) ... [2018-11-07 09:09:46,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 09:09:46,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 09:09:46,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 09:09:46,339 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 09:09:46,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:09:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 09:09:46,408 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 09:09:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 09:09:46,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 09:09:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 09:09:46,409 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 09:09:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 09:09:46,410 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 09:09:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 09:09:46,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 09:09:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 09:09:46,410 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 09:09:53,359 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 09:09:53,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:09:53 BoogieIcfgContainer [2018-11-07 09:09:53,360 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 09:09:53,361 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 09:09:53,361 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 09:09:53,364 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 09:09:53,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:09:44" (1/3) ... [2018-11-07 09:09:53,365 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67ef4350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:09:53, skipping insertion in model container [2018-11-07 09:09:53,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:09:45" (2/3) ... [2018-11-07 09:09:53,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67ef4350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:09:53, skipping insertion in model container [2018-11-07 09:09:53,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:09:53" (3/3) ... [2018-11-07 09:09:53,368 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label43_true-unreach-call.c [2018-11-07 09:09:53,378 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 09:09:53,388 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 09:09:53,404 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 09:09:53,446 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 09:09:53,446 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 09:09:53,446 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 09:09:53,446 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 09:09:53,447 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 09:09:53,447 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 09:09:53,447 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 09:09:53,447 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 09:09:53,480 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-11-07 09:09:53,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-07 09:09:53,497 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 09:09:53,498 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] [2018-11-07 09:09:53,501 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 09:09:53,506 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:09:53,506 INFO L82 PathProgramCache]: Analyzing trace with hash 907062017, now seen corresponding path program 1 times [2018-11-07 09:09:53,509 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 09:09:53,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:09:53,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 09:09:53,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:09:53,560 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 09:09:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 09:09:54,092 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 5 [2018-11-07 09:09:54,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 09:09:54,125 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 09:09:54,126 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 09:09:54,126 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 09:09:54,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 09:09:54,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 09:09:54,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 09:09:54,153 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 4 states. [2018-11-07 09:10:00,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 09:10:00,421 INFO L93 Difference]: Finished difference Result 1558 states and 2849 transitions. [2018-11-07 09:10:00,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 09:10:00,424 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 65 [2018-11-07 09:10:00,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 09:10:00,454 INFO L225 Difference]: With dead ends: 1558 [2018-11-07 09:10:00,454 INFO L226 Difference]: Without dead ends: 1114 [2018-11-07 09:10:00,467 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 09:10:00,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2018-11-07 09:10:00,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 759. [2018-11-07 09:10:00,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 759 states. [2018-11-07 09:10:00,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 1355 transitions. [2018-11-07 09:10:00,584 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 1355 transitions. Word has length 65 [2018-11-07 09:10:00,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 09:10:00,585 INFO L480 AbstractCegarLoop]: Abstraction has 759 states and 1355 transitions. [2018-11-07 09:10:00,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 09:10:00,585 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1355 transitions. [2018-11-07 09:10:00,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-07 09:10:00,594 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 09:10:00,594 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 09:10:00,594 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 09:10:00,595 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:10:00,595 INFO L82 PathProgramCache]: Analyzing trace with hash 1501715637, now seen corresponding path program 1 times [2018-11-07 09:10:00,595 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 09:10:00,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:10:00,596 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 09:10:00,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:10:00,597 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 09:10:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 09:10:00,916 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 09:10:00,917 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 09:10:00,917 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 09:10:00,918 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 09:10:00,919 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 09:10:00,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 09:10:00,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 09:10:00,922 INFO L87 Difference]: Start difference. First operand 759 states and 1355 transitions. Second operand 4 states. [2018-11-07 09:10:06,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 09:10:06,839 INFO L93 Difference]: Finished difference Result 2760 states and 5146 transitions. [2018-11-07 09:10:06,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 09:10:06,842 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 135 [2018-11-07 09:10:06,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 09:10:06,860 INFO L225 Difference]: With dead ends: 2760 [2018-11-07 09:10:06,860 INFO L226 Difference]: Without dead ends: 2007 [2018-11-07 09:10:06,869 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 09:10:06,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2007 states. [2018-11-07 09:10:06,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2007 to 2002. [2018-11-07 09:10:06,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2002 states. [2018-11-07 09:10:06,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2002 states to 2002 states and 3249 transitions. [2018-11-07 09:10:06,971 INFO L78 Accepts]: Start accepts. Automaton has 2002 states and 3249 transitions. Word has length 135 [2018-11-07 09:10:06,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 09:10:06,972 INFO L480 AbstractCegarLoop]: Abstraction has 2002 states and 3249 transitions. [2018-11-07 09:10:06,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 09:10:06,972 INFO L276 IsEmpty]: Start isEmpty. Operand 2002 states and 3249 transitions. [2018-11-07 09:10:06,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-07 09:10:06,985 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 09:10:06,985 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, 2, 2, 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] [2018-11-07 09:10:06,986 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 09:10:06,986 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:10:06,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1679120985, now seen corresponding path program 1 times [2018-11-07 09:10:06,986 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 09:10:06,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:10:06,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 09:10:06,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:10:06,992 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 09:10:07,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 09:10:07,437 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 09:10:07,438 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 09:10:07,438 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 09:10:07,438 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 09:10:07,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 09:10:07,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 09:10:07,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 09:10:07,440 INFO L87 Difference]: Start difference. First operand 2002 states and 3249 transitions. Second operand 5 states. [2018-11-07 09:10:15,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 09:10:15,785 INFO L93 Difference]: Finished difference Result 6848 states and 11362 transitions. [2018-11-07 09:10:15,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 09:10:15,786 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 216 [2018-11-07 09:10:15,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 09:10:15,823 INFO L225 Difference]: With dead ends: 6848 [2018-11-07 09:10:15,823 INFO L226 Difference]: Without dead ends: 4852 [2018-11-07 09:10:15,845 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-07 09:10:15,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4852 states. [2018-11-07 09:10:15,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4852 to 4806. [2018-11-07 09:10:15,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4806 states. [2018-11-07 09:10:15,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4806 states to 4806 states and 7211 transitions. [2018-11-07 09:10:15,993 INFO L78 Accepts]: Start accepts. Automaton has 4806 states and 7211 transitions. Word has length 216 [2018-11-07 09:10:15,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 09:10:15,994 INFO L480 AbstractCegarLoop]: Abstraction has 4806 states and 7211 transitions. [2018-11-07 09:10:15,994 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 09:10:15,994 INFO L276 IsEmpty]: Start isEmpty. Operand 4806 states and 7211 transitions. [2018-11-07 09:10:16,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-07 09:10:16,007 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 09:10:16,007 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 09:10:16,008 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 09:10:16,008 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:10:16,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1565078656, now seen corresponding path program 1 times [2018-11-07 09:10:16,008 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 09:10:16,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:10:16,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 09:10:16,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:10:16,010 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 09:10:16,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 09:10:16,313 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 116 proven. 79 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 09:10:16,314 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 09:10:16,314 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 09:10:16,315 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 241 with the following transitions: [2018-11-07 09:10:16,317 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [493], [495], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [629], [630], [641], [645], [649], [653], [657], [668], [671], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-11-07 09:10:16,365 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 09:10:16,366 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 09:10:17,103 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 09:10:17,108 INFO L272 AbstractInterpreter]: Visited 96 different actions 96 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-11-07 09:10:17,150 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:10:17,150 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 09:10:17,889 INFO L227 lantSequenceWeakener]: Weakened 231 states. On average, predicates are now at 78.23% of their original sizes. [2018-11-07 09:10:17,889 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 09:10:18,157 INFO L415 sIntCurrentIteration]: We unified 239 AI predicates to 239 [2018-11-07 09:10:18,157 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 09:10:18,158 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 09:10:18,159 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-07 09:10:18,159 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 09:10:18,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 09:10:18,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 09:10:18,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 09:10:18,160 INFO L87 Difference]: Start difference. First operand 4806 states and 7211 transitions. Second operand 6 states. [2018-11-07 09:11:19,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 09:11:19,968 INFO L93 Difference]: Finished difference Result 9916 states and 14783 transitions. [2018-11-07 09:11:19,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-07 09:11:19,969 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 240 [2018-11-07 09:11:19,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 09:11:19,999 INFO L225 Difference]: With dead ends: 9916 [2018-11-07 09:11:19,999 INFO L226 Difference]: Without dead ends: 5116 [2018-11-07 09:11:20,023 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 240 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-07 09:11:20,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5116 states. [2018-11-07 09:11:20,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5116 to 5114. [2018-11-07 09:11:20,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5114 states. [2018-11-07 09:11:20,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5114 states to 5114 states and 7528 transitions. [2018-11-07 09:11:20,159 INFO L78 Accepts]: Start accepts. Automaton has 5114 states and 7528 transitions. Word has length 240 [2018-11-07 09:11:20,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 09:11:20,159 INFO L480 AbstractCegarLoop]: Abstraction has 5114 states and 7528 transitions. [2018-11-07 09:11:20,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 09:11:20,160 INFO L276 IsEmpty]: Start isEmpty. Operand 5114 states and 7528 transitions. [2018-11-07 09:11:20,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-11-07 09:11:20,176 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 09:11:20,176 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 09:11:20,177 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 09:11:20,177 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:11:20,177 INFO L82 PathProgramCache]: Analyzing trace with hash -1531914166, now seen corresponding path program 1 times [2018-11-07 09:11:20,177 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 09:11:20,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:11:20,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 09:11:20,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:11:20,179 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 09:11:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 09:11:20,942 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 180 proven. 242 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 09:11:20,942 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 09:11:20,943 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 09:11:20,943 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 337 with the following transitions: [2018-11-07 09:11:20,943 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [493], [495], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [629], [630], [641], [645], [649], [653], [657], [668], [671], [672], [676], [680], [684], [688], [691], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-11-07 09:11:20,949 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 09:11:20,949 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 09:11:21,274 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 09:11:21,275 INFO L272 AbstractInterpreter]: Visited 105 different actions 302 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 09:11:21,317 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:11:21,317 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 09:11:21,661 INFO L227 lantSequenceWeakener]: Weakened 333 states. On average, predicates are now at 84.08% of their original sizes. [2018-11-07 09:11:21,661 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 09:11:21,773 INFO L415 sIntCurrentIteration]: We unified 335 AI predicates to 335 [2018-11-07 09:11:21,773 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 09:11:21,774 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 09:11:21,774 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-07 09:11:21,774 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 09:11:21,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-07 09:11:21,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-07 09:11:21,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-07 09:11:21,777 INFO L87 Difference]: Start difference. First operand 5114 states and 7528 transitions. Second operand 9 states. [2018-11-07 09:13:00,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 09:13:00,951 INFO L93 Difference]: Finished difference Result 11440 states and 16579 transitions. [2018-11-07 09:13:00,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-07 09:13:00,952 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 336 [2018-11-07 09:13:00,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 09:13:00,985 INFO L225 Difference]: With dead ends: 11440 [2018-11-07 09:13:00,985 INFO L226 Difference]: Without dead ends: 6640 [2018-11-07 09:13:01,012 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 341 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2018-11-07 09:13:01,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6640 states. [2018-11-07 09:13:01,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6640 to 6636. [2018-11-07 09:13:01,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6636 states. [2018-11-07 09:13:01,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6636 states to 6636 states and 9164 transitions. [2018-11-07 09:13:01,179 INFO L78 Accepts]: Start accepts. Automaton has 6636 states and 9164 transitions. Word has length 336 [2018-11-07 09:13:01,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 09:13:01,180 INFO L480 AbstractCegarLoop]: Abstraction has 6636 states and 9164 transitions. [2018-11-07 09:13:01,180 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-07 09:13:01,180 INFO L276 IsEmpty]: Start isEmpty. Operand 6636 states and 9164 transitions. [2018-11-07 09:13:01,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-11-07 09:13:01,189 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 09:13:01,190 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 09:13:01,190 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 09:13:01,190 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:13:01,191 INFO L82 PathProgramCache]: Analyzing trace with hash 25892372, now seen corresponding path program 1 times [2018-11-07 09:13:01,191 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 09:13:01,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:13:01,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 09:13:01,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:13:01,192 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 09:13:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 09:13:01,814 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-07 09:13:01,815 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 09:13:01,815 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 09:13:01,815 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 341 with the following transitions: [2018-11-07 09:13:01,816 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [493], [495], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-11-07 09:13:01,826 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 09:13:01,827 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 09:13:02,376 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 09:13:02,376 INFO L272 AbstractInterpreter]: Visited 282 different actions 833 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 09:13:02,416 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:13:02,416 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 09:13:02,711 INFO L227 lantSequenceWeakener]: Weakened 337 states. On average, predicates are now at 80.61% of their original sizes. [2018-11-07 09:13:02,711 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 09:13:02,856 INFO L415 sIntCurrentIteration]: We unified 339 AI predicates to 339 [2018-11-07 09:13:02,856 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 09:13:02,857 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 09:13:02,857 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2018-11-07 09:13:02,857 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 09:13:02,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 09:13:02,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 09:13:02,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-07 09:13:02,859 INFO L87 Difference]: Start difference. First operand 6636 states and 9164 transitions. Second operand 10 states. Received shutdown request... [2018-11-07 09:13:51,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-07 09:13:51,614 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 09:13:51,619 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 09:13:51,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 09:13:51 BoogieIcfgContainer [2018-11-07 09:13:51,620 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 09:13:51,621 INFO L168 Benchmark]: Toolchain (without parser) took 246966.74 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-11-07 09:13:51,622 INFO L168 Benchmark]: CDTParser took 0.20 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. [2018-11-07 09:13:51,623 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1262.16 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 108.5 MB). Peak memory consumption was 108.5 MB. Max. memory is 7.1 GB. [2018-11-07 09:13:51,624 INFO L168 Benchmark]: Boogie Procedure Inliner took 233.51 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 749.7 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -895.2 MB). Peak memory consumption was 31.4 MB. Max. memory is 7.1 GB. [2018-11-07 09:13:51,625 INFO L168 Benchmark]: Boogie Preprocessor took 185.81 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2018-11-07 09:13:51,625 INFO L168 Benchmark]: RCFGBuilder took 7020.84 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 292.7 MB). Peak memory consumption was 292.7 MB. Max. memory is 7.1 GB. [2018-11-07 09:13:51,626 INFO L168 Benchmark]: TraceAbstraction took 238259.17 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.9 GB in the beginning and 2.5 GB in the end (delta: -609.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-11-07 09:13:51,632 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 1262.16 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 108.5 MB). Peak memory consumption was 108.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 233.51 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 749.7 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -895.2 MB). Peak memory consumption was 31.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 185.81 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7020.84 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 292.7 MB). Peak memory consumption was 292.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 238259.17 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.9 GB in the beginning and 2.5 GB in the end (delta: -609.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 181]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 181). Cancelled while BasicCegarLoop was constructing difference of abstraction (6636states) and FLOYD_HOARE automaton (currently 16 states, 10 states before enhancement),while ReachableStatesComputation was computing reachable states (3239 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 238.1s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 230.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1598 SDtfs, 5604 SDslu, 2020 SDs, 0 SdLazy, 10645 SolverSat, 1979 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 191.5s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 949 GetRequests, 904 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6636occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.8s AbstIntTime, 3 AbstIntIterations, 3 AbstIntStrong, 0.9976146100666115 AbsIntWeakeningRatio, 0.08543263964950712 AbsIntAvgWeakeningVarsNumRemoved, 15.547645125958379 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 5 MinimizatonAttempts, 412 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1332 NumberOfCodeBlocks, 1332 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1326 ConstructedInterpolants, 0 QuantifiedInterpolants, 1166854 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 432/807 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown