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-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label11_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 07:31:57,062 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 07:31:57,064 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 07:31:57,076 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 07:31:57,077 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 07:31:57,078 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 07:31:57,079 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 07:31:57,081 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 07:31:57,083 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 07:31:57,084 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 07:31:57,085 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 07:31:57,085 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 07:31:57,086 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 07:31:57,087 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 07:31:57,088 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 07:31:57,089 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 07:31:57,090 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 07:31:57,092 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 07:31:57,094 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 07:31:57,096 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 07:31:57,097 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 07:31:57,099 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 07:31:57,101 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 07:31:57,102 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 07:31:57,102 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 07:31:57,103 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 07:31:57,104 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 07:31:57,105 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 07:31:57,106 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 07:31:57,107 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 07:31:57,108 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 07:31:57,108 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 07:31:57,109 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 07:31:57,109 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 07:31:57,110 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 07:31:57,111 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 07:31:57,111 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-27 07:31:57,132 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 07:31:57,132 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 07:31:57,134 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 07:31:57,134 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 07:31:57,134 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 07:31:57,134 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 07:31:57,135 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-27 07:31:57,135 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 07:31:57,135 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-27 07:31:57,135 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 07:31:57,135 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 07:31:57,136 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 07:31:57,138 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 07:31:57,138 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 07:31:57,139 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 07:31:57,139 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 07:31:57,139 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 07:31:57,139 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 07:31:57,140 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 07:31:57,140 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 07:31:57,140 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 07:31:57,140 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 07:31:57,140 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 07:31:57,141 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 07:31:57,142 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 07:31:57,142 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 07:31:57,142 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 07:31:57,143 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 07:31:57,143 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 07:31:57,143 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 07:31:57,143 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 07:31:57,143 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 07:31:57,143 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 07:31:57,144 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 07:31:57,144 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 07:31:57,144 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 07:31:57,195 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 07:31:57,215 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 07:31:57,219 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 07:31:57,221 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 07:31:57,222 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 07:31:57,223 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label11_true-unreach-call.c [2018-10-27 07:31:57,301 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/329ef246a/48cc4ef58e794a34a839e32bbec0dbd4/FLAGe40589fe3 [2018-10-27 07:31:58,017 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 07:31:58,018 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label11_true-unreach-call.c [2018-10-27 07:31:58,036 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/329ef246a/48cc4ef58e794a34a839e32bbec0dbd4/FLAGe40589fe3 [2018-10-27 07:31:58,052 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/329ef246a/48cc4ef58e794a34a839e32bbec0dbd4 [2018-10-27 07:31:58,064 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 07:31:58,066 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 07:31:58,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 07:31:58,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 07:31:58,072 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 07:31:58,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 07:31:58" (1/1) ... [2018-10-27 07:31:58,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5211ccae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:31:58, skipping insertion in model container [2018-10-27 07:31:58,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 07:31:58" (1/1) ... [2018-10-27 07:31:58,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 07:31:58,175 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 07:31:58,895 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 07:31:58,901 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 07:31:59,108 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 07:31:59,130 INFO L193 MainTranslator]: Completed translation [2018-10-27 07:31:59,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:31:59 WrapperNode [2018-10-27 07:31:59,131 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 07:31:59,132 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 07:31:59,132 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 07:31:59,133 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 07:31:59,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:31:59" (1/1) ... [2018-10-27 07:31:59,184 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:31:59" (1/1) ... [2018-10-27 07:31:59,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 07:31:59,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 07:31:59,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 07:31:59,410 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 07:31:59,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:31:59" (1/1) ... [2018-10-27 07:31:59,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:31:59" (1/1) ... [2018-10-27 07:31:59,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:31:59" (1/1) ... [2018-10-27 07:31:59,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:31:59" (1/1) ... [2018-10-27 07:31:59,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:31:59" (1/1) ... [2018-10-27 07:31:59,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:31:59" (1/1) ... [2018-10-27 07:31:59,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:31:59" (1/1) ... [2018-10-27 07:31:59,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 07:31:59,519 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 07:31:59,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 07:31:59,519 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 07:31:59,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:31:59" (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 07:31:59,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 07:31:59,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 07:31:59,597 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 07:31:59,597 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 07:31:59,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 07:31:59,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 07:31:59,598 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 07:31:59,598 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 07:32:03,576 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 07:32:03,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 07:32:03 BoogieIcfgContainer [2018-10-27 07:32:03,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 07:32:03,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 07:32:03,579 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 07:32:03,582 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 07:32:03,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 07:31:58" (1/3) ... [2018-10-27 07:32:03,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@240a01f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 07:32:03, skipping insertion in model container [2018-10-27 07:32:03,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:31:59" (2/3) ... [2018-10-27 07:32:03,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@240a01f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 07:32:03, skipping insertion in model container [2018-10-27 07:32:03,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 07:32:03" (3/3) ... [2018-10-27 07:32:03,587 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label11_true-unreach-call.c [2018-10-27 07:32:03,598 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 07:32:03,608 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 07:32:03,627 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 07:32:03,668 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 07:32:03,669 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 07:32:03,669 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 07:32:03,669 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 07:32:03,669 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 07:32:03,670 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 07:32:03,670 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 07:32:03,670 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 07:32:03,700 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-10-27 07:32:03,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-27 07:32:03,712 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 07:32:03,713 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] [2018-10-27 07:32:03,716 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 07:32:03,722 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:32:03,723 INFO L82 PathProgramCache]: Analyzing trace with hash 586215740, now seen corresponding path program 1 times [2018-10-27 07:32:03,726 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 07:32:03,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:32:03,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 07:32:03,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:32:03,789 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 07:32:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 07:32:04,334 WARN L179 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 07:32:04,442 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 07:32:04,445 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 07:32:04,445 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 07:32:04,445 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 07:32:04,451 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 07:32:04,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 07:32:04,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 07:32:04,471 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 3 states. [2018-10-27 07:32:06,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 07:32:06,763 INFO L93 Difference]: Finished difference Result 782 states and 1372 transitions. [2018-10-27 07:32:06,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 07:32:06,767 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2018-10-27 07:32:06,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 07:32:06,786 INFO L225 Difference]: With dead ends: 782 [2018-10-27 07:32:06,786 INFO L226 Difference]: Without dead ends: 487 [2018-10-27 07:32:06,795 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 07:32:06,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2018-10-27 07:32:06,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 482. [2018-10-27 07:32:06,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2018-10-27 07:32:06,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 843 transitions. [2018-10-27 07:32:06,906 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 843 transitions. Word has length 68 [2018-10-27 07:32:06,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 07:32:06,907 INFO L481 AbstractCegarLoop]: Abstraction has 482 states and 843 transitions. [2018-10-27 07:32:06,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 07:32:06,908 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 843 transitions. [2018-10-27 07:32:06,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-27 07:32:06,925 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 07:32:06,926 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, 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] [2018-10-27 07:32:06,926 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 07:32:06,930 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:32:06,930 INFO L82 PathProgramCache]: Analyzing trace with hash 1561490343, now seen corresponding path program 1 times [2018-10-27 07:32:06,931 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 07:32:06,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:32:06,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 07:32:06,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:32:06,933 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 07:32:07,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 07:32:07,517 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 07:32:07,517 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 07:32:07,518 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-27 07:32:07,518 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 07:32:07,520 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 07:32:07,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 07:32:07,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-27 07:32:07,521 INFO L87 Difference]: Start difference. First operand 482 states and 843 transitions. Second operand 7 states. [2018-10-27 07:32:09,426 WARN L179 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-10-27 07:32:14,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 07:32:14,882 INFO L93 Difference]: Finished difference Result 1760 states and 3239 transitions. [2018-10-27 07:32:14,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-27 07:32:14,893 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 143 [2018-10-27 07:32:14,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 07:32:14,909 INFO L225 Difference]: With dead ends: 1760 [2018-10-27 07:32:14,910 INFO L226 Difference]: Without dead ends: 1284 [2018-10-27 07:32:14,916 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-10-27 07:32:14,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1284 states. [2018-10-27 07:32:15,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1284 to 1037. [2018-10-27 07:32:15,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1037 states. [2018-10-27 07:32:15,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1685 transitions. [2018-10-27 07:32:15,022 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1685 transitions. Word has length 143 [2018-10-27 07:32:15,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 07:32:15,023 INFO L481 AbstractCegarLoop]: Abstraction has 1037 states and 1685 transitions. [2018-10-27 07:32:15,024 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 07:32:15,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1685 transitions. [2018-10-27 07:32:15,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-10-27 07:32:15,034 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 07:32:15,034 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, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 07:32:15,034 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 07:32:15,036 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:32:15,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1636025592, now seen corresponding path program 1 times [2018-10-27 07:32:15,037 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 07:32:15,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:32:15,039 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 07:32:15,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:32:15,039 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 07:32:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 07:32:15,437 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 122 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 07:32:15,437 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 07:32:15,437 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 07:32:15,438 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 217 with the following transitions: [2018-10-27 07:32:15,441 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [514], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-10-27 07:32:15,504 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 07:32:15,504 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 07:32:16,162 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 07:32:16,166 INFO L272 AbstractInterpreter]: Visited 80 different actions 80 times. Never merged. Never widened. Never found a fixpoint. Largest state had 28 variables. [2018-10-27 07:32:16,216 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:32:16,216 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 07:32:16,958 INFO L227 lantSequenceWeakener]: Weakened 207 states. On average, predicates are now at 73.9% of their original sizes. [2018-10-27 07:32:16,958 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 07:32:17,212 INFO L415 sIntCurrentIteration]: We unified 215 AI predicates to 215 [2018-10-27 07:32:17,212 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 07:32:17,213 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 07:32:17,214 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-10-27 07:32:17,214 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 07:32:17,217 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 07:32:17,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 07:32:17,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 07:32:17,218 INFO L87 Difference]: Start difference. First operand 1037 states and 1685 transitions. Second operand 6 states. [2018-10-27 07:33:06,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 07:33:06,374 INFO L93 Difference]: Finished difference Result 2260 states and 3574 transitions. [2018-10-27 07:33:06,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 07:33:06,374 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 216 [2018-10-27 07:33:06,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 07:33:06,381 INFO L225 Difference]: With dead ends: 2260 [2018-10-27 07:33:06,382 INFO L226 Difference]: Without dead ends: 1229 [2018-10-27 07:33:06,385 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 216 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-27 07:33:06,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2018-10-27 07:33:06,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 1227. [2018-10-27 07:33:06,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1227 states. [2018-10-27 07:33:06,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 1883 transitions. [2018-10-27 07:33:06,421 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 1883 transitions. Word has length 216 [2018-10-27 07:33:06,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 07:33:06,422 INFO L481 AbstractCegarLoop]: Abstraction has 1227 states and 1883 transitions. [2018-10-27 07:33:06,422 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 07:33:06,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1883 transitions. [2018-10-27 07:33:06,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-10-27 07:33:06,427 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 07:33:06,428 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, 3, 3, 3, 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] [2018-10-27 07:33:06,428 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 07:33:06,429 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:33:06,429 INFO L82 PathProgramCache]: Analyzing trace with hash 1687745886, now seen corresponding path program 1 times [2018-10-27 07:33:06,429 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 07:33:06,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:33:06,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 07:33:06,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:33:06,430 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 07:33:06,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 07:33:06,953 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 125 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-10-27 07:33:06,953 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 07:33:06,953 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 07:33:06,954 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 261 with the following transitions: [2018-10-27 07:33:06,954 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-10-27 07:33:06,962 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 07:33:06,962 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 07:33:07,650 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 07:33:07,651 INFO L272 AbstractInterpreter]: Visited 126 different actions 375 times. Merged at 7 different actions 21 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-10-27 07:33:07,682 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:33:07,683 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 07:33:07,684 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 07:33:07,684 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 07:33:07,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 07:33:07,700 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 07:33:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 07:33:07,818 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 07:33:28,553 WARN L179 SmtUtils]: Spent 18.41 s on a formula simplification. DAG size of input: 118 DAG size of output: 47 [2018-10-27 07:33:28,746 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 125 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-10-27 07:33:28,746 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 07:33:29,150 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-10-27 07:33:29,173 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-10-27 07:33:29,173 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 6] total 9 [2018-10-27 07:33:29,173 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 07:33:29,175 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 07:33:29,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 07:33:29,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=47, Unknown=1, NotChecked=0, Total=72 [2018-10-27 07:33:29,176 INFO L87 Difference]: Start difference. First operand 1227 states and 1883 transitions. Second operand 3 states. [2018-10-27 07:33:32,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 07:33:32,356 INFO L93 Difference]: Finished difference Result 2966 states and 4885 transitions. [2018-10-27 07:33:32,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 07:33:32,357 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 260 [2018-10-27 07:33:32,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 07:33:32,373 INFO L225 Difference]: With dead ends: 2966 [2018-10-27 07:33:32,374 INFO L226 Difference]: Without dead ends: 1935 [2018-10-27 07:33:32,380 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 530 GetRequests, 519 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 21.0s TimeCoverageRelationStatistics Valid=24, Invalid=47, Unknown=1, NotChecked=0, Total=72 [2018-10-27 07:33:32,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1935 states. [2018-10-27 07:33:32,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1935 to 1935. [2018-10-27 07:33:32,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1935 states. [2018-10-27 07:33:32,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1935 states to 1935 states and 2922 transitions. [2018-10-27 07:33:32,441 INFO L78 Accepts]: Start accepts. Automaton has 1935 states and 2922 transitions. Word has length 260 [2018-10-27 07:33:32,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 07:33:32,442 INFO L481 AbstractCegarLoop]: Abstraction has 1935 states and 2922 transitions. [2018-10-27 07:33:32,442 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 07:33:32,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1935 states and 2922 transitions. [2018-10-27 07:33:32,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-10-27 07:33:32,450 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 07:33:32,451 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:33:32,451 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 07:33:32,451 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:33:32,452 INFO L82 PathProgramCache]: Analyzing trace with hash -307629149, now seen corresponding path program 1 times [2018-10-27 07:33:32,452 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 07:33:32,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:33:32,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 07:33:32,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:33:32,453 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 07:33:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 07:33:32,739 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-10-27 07:33:32,739 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 07:33:32,740 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 07:33:32,740 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 07:33:32,740 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 07:33:32,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 07:33:32,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 07:33:32,741 INFO L87 Difference]: Start difference. First operand 1935 states and 2922 transitions. Second operand 3 states. [2018-10-27 07:33:35,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 07:33:35,043 INFO L93 Difference]: Finished difference Result 4248 states and 6732 transitions. [2018-10-27 07:33:35,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 07:33:35,043 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 286 [2018-10-27 07:33:35,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 07:33:35,058 INFO L225 Difference]: With dead ends: 4248 [2018-10-27 07:33:35,058 INFO L226 Difference]: Without dead ends: 2509 [2018-10-27 07:33:35,067 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 07:33:35,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2509 states. [2018-10-27 07:33:35,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2509 to 2507. [2018-10-27 07:33:35,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2507 states. [2018-10-27 07:33:35,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2507 states to 2507 states and 3708 transitions. [2018-10-27 07:33:35,130 INFO L78 Accepts]: Start accepts. Automaton has 2507 states and 3708 transitions. Word has length 286 [2018-10-27 07:33:35,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 07:33:35,131 INFO L481 AbstractCegarLoop]: Abstraction has 2507 states and 3708 transitions. [2018-10-27 07:33:35,131 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 07:33:35,131 INFO L276 IsEmpty]: Start isEmpty. Operand 2507 states and 3708 transitions. [2018-10-27 07:33:35,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-10-27 07:33:35,139 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 07:33:35,140 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:33:35,140 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 07:33:35,140 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:33:35,140 INFO L82 PathProgramCache]: Analyzing trace with hash 748491532, now seen corresponding path program 1 times [2018-10-27 07:33:35,140 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 07:33:35,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:33:35,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 07:33:35,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:33:35,142 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 07:33:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 07:33:35,394 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2018-10-27 07:33:35,394 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 07:33:35,395 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 07:33:35,395 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 07:33:35,395 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 07:33:35,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 07:33:35,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 07:33:35,396 INFO L87 Difference]: Start difference. First operand 2507 states and 3708 transitions. Second operand 3 states. [2018-10-27 07:33:37,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 07:33:37,352 INFO L93 Difference]: Finished difference Result 6944 states and 10675 transitions. [2018-10-27 07:33:37,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 07:33:37,352 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 291 [2018-10-27 07:33:37,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 07:33:37,378 INFO L225 Difference]: With dead ends: 6944 [2018-10-27 07:33:37,379 INFO L226 Difference]: Without dead ends: 4633 [2018-10-27 07:33:37,391 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 07:33:37,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4633 states. [2018-10-27 07:33:37,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4633 to 4633. [2018-10-27 07:33:37,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4633 states. [2018-10-27 07:33:37,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4633 states to 4633 states and 6739 transitions. [2018-10-27 07:33:37,505 INFO L78 Accepts]: Start accepts. Automaton has 4633 states and 6739 transitions. Word has length 291 [2018-10-27 07:33:37,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 07:33:37,506 INFO L481 AbstractCegarLoop]: Abstraction has 4633 states and 6739 transitions. [2018-10-27 07:33:37,506 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 07:33:37,506 INFO L276 IsEmpty]: Start isEmpty. Operand 4633 states and 6739 transitions. [2018-10-27 07:33:37,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-10-27 07:33:37,519 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 07:33:37,520 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 07:33:37,520 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 07:33:37,520 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:33:37,520 INFO L82 PathProgramCache]: Analyzing trace with hash 2041497929, now seen corresponding path program 1 times [2018-10-27 07:33:37,520 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 07:33:37,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:33:37,521 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 07:33:37,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:33:37,522 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 07:33:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 07:33:37,897 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 233 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 07:33:37,897 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 07:33:37,897 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 07:33:37,897 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 301 with the following transitions: [2018-10-27 07:33:37,898 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [680], [685], [687], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-10-27 07:33:37,903 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 07:33:37,903 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 07:33:38,524 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 07:33:38,524 INFO L272 AbstractInterpreter]: Visited 125 different actions 244 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-10-27 07:33:38,562 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:33:38,562 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 07:33:39,122 INFO L227 lantSequenceWeakener]: Weakened 295 states. On average, predicates are now at 75.61% of their original sizes. [2018-10-27 07:33:39,122 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 07:33:39,895 INFO L415 sIntCurrentIteration]: We unified 299 AI predicates to 299 [2018-10-27 07:33:39,895 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 07:33:39,895 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 07:33:39,896 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-10-27 07:33:39,896 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 07:33:39,896 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-27 07:33:39,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-27 07:33:39,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-27 07:33:39,897 INFO L87 Difference]: Start difference. First operand 4633 states and 6739 transitions. Second operand 10 states. [2018-10-27 07:35:06,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 07:35:06,804 INFO L93 Difference]: Finished difference Result 9840 states and 14506 transitions. [2018-10-27 07:35:06,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-27 07:35:06,804 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 300 [2018-10-27 07:35:06,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 07:35:06,828 INFO L225 Difference]: With dead ends: 9840 [2018-10-27 07:35:06,828 INFO L226 Difference]: Without dead ends: 5403 [2018-10-27 07:35:06,845 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 308 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-10-27 07:35:06,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5403 states. [2018-10-27 07:35:06,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5403 to 5398. [2018-10-27 07:35:06,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5398 states. [2018-10-27 07:35:06,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5398 states to 5398 states and 7666 transitions. [2018-10-27 07:35:06,982 INFO L78 Accepts]: Start accepts. Automaton has 5398 states and 7666 transitions. Word has length 300 [2018-10-27 07:35:06,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 07:35:06,983 INFO L481 AbstractCegarLoop]: Abstraction has 5398 states and 7666 transitions. [2018-10-27 07:35:06,983 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-27 07:35:06,983 INFO L276 IsEmpty]: Start isEmpty. Operand 5398 states and 7666 transitions. [2018-10-27 07:35:07,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-10-27 07:35:07,001 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 07:35:07,001 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:35:07,002 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 07:35:07,002 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:35:07,002 INFO L82 PathProgramCache]: Analyzing trace with hash 1761643877, now seen corresponding path program 1 times [2018-10-27 07:35:07,002 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 07:35:07,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:35:07,003 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 07:35:07,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:35:07,003 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 07:35:07,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 07:35:07,712 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 127 proven. 2 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-10-27 07:35:07,713 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 07:35:07,713 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 07:35:07,713 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 308 with the following transitions: [2018-10-27 07:35:07,714 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [649], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-10-27 07:35:07,718 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 07:35:07,719 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 07:35:07,972 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 07:35:07,973 INFO L272 AbstractInterpreter]: Visited 141 different actions 417 times. Merged at 7 different actions 18 times. Never widened. Found 3 fixpoints after 3 different actions. Largest state had 28 variables. [2018-10-27 07:35:07,980 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:35:07,980 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 07:35:07,980 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 07:35:07,980 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 07:35:07,988 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 07:35:07,988 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 07:35:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 07:35:08,085 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 07:35:08,230 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 227 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 07:35:08,231 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 07:35:08,764 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 227 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 07:35:08,800 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 07:35:08,801 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-10-27 07:35:08,801 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 07:35:08,802 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-27 07:35:08,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-27 07:35:08,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2018-10-27 07:35:08,802 INFO L87 Difference]: Start difference. First operand 5398 states and 7666 transitions. Second operand 10 states. [2018-10-27 07:35:26,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 07:35:26,290 INFO L93 Difference]: Finished difference Result 21135 states and 33729 transitions. [2018-10-27 07:35:26,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2018-10-27 07:35:26,292 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 307 [2018-10-27 07:35:26,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 07:35:26,389 INFO L225 Difference]: With dead ends: 21135 [2018-10-27 07:35:26,389 INFO L226 Difference]: Without dead ends: 15932 [2018-10-27 07:35:26,443 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 717 GetRequests, 637 SyntacticMatches, 2 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2371 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1020, Invalid=5300, Unknown=0, NotChecked=0, Total=6320 [2018-10-27 07:35:26,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15932 states. [2018-10-27 07:35:26,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15932 to 15107. [2018-10-27 07:35:26,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15107 states. [2018-10-27 07:35:26,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15107 states to 15107 states and 22226 transitions. [2018-10-27 07:35:26,894 INFO L78 Accepts]: Start accepts. Automaton has 15107 states and 22226 transitions. Word has length 307 [2018-10-27 07:35:26,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 07:35:26,895 INFO L481 AbstractCegarLoop]: Abstraction has 15107 states and 22226 transitions. [2018-10-27 07:35:26,895 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-27 07:35:26,895 INFO L276 IsEmpty]: Start isEmpty. Operand 15107 states and 22226 transitions. [2018-10-27 07:35:26,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2018-10-27 07:35:26,972 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 07:35:26,973 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, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-27 07:35:26,973 INFO L424 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 07:35:26,973 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:35:26,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1855711514, now seen corresponding path program 1 times [2018-10-27 07:35:26,973 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 07:35:26,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:35:26,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 07:35:26,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:35:26,975 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 07:35:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 07:35:27,644 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 386 proven. 2 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-10-27 07:35:27,645 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 07:35:27,645 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 07:35:27,645 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 388 with the following transitions: [2018-10-27 07:35:27,645 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [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], [445], [447], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [649], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-10-27 07:35:27,649 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 07:35:27,649 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 07:35:28,099 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 07:35:28,100 INFO L272 AbstractInterpreter]: Visited 126 different actions 377 times. Merged at 7 different actions 21 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-10-27 07:35:28,134 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:35:28,135 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 07:35:28,561 INFO L227 lantSequenceWeakener]: Weakened 384 states. On average, predicates are now at 77.85% of their original sizes. [2018-10-27 07:35:28,561 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 07:35:28,727 INFO L415 sIntCurrentIteration]: We unified 386 AI predicates to 386 [2018-10-27 07:35:28,727 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 07:35:28,728 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 07:35:28,728 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-10-27 07:35:28,728 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 07:35:28,729 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 07:35:28,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 07:35:28,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-27 07:35:28,730 INFO L87 Difference]: Start difference. First operand 15107 states and 22226 transitions. Second operand 9 states. Received shutdown request... [2018-10-27 07:35:53,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-27 07:35:53,488 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-27 07:35:53,493 WARN L205 ceAbstractionStarter]: Timeout [2018-10-27 07:35:53,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 07:35:53 BoogieIcfgContainer [2018-10-27 07:35:53,494 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 07:35:53,495 INFO L168 Benchmark]: Toolchain (without parser) took 235430.05 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 3.4 GB in the end (delta: -1.9 GB). Peak memory consumption was 703.2 MB. Max. memory is 7.1 GB. [2018-10-27 07:35:53,496 INFO L168 Benchmark]: CDTParser took 0.22 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 07:35:53,497 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1064.39 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: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. [2018-10-27 07:35:53,497 INFO L168 Benchmark]: Boogie Procedure Inliner took 276.91 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 759.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -844.2 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2018-10-27 07:35:53,498 INFO L168 Benchmark]: Boogie Preprocessor took 109.32 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 07:35:53,499 INFO L168 Benchmark]: RCFGBuilder took 4058.36 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 198.0 MB). Peak memory consumption was 198.0 MB. Max. memory is 7.1 GB. [2018-10-27 07:35:53,500 INFO L168 Benchmark]: TraceAbstraction took 229915.38 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 3.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 534.2 MB. Max. memory is 7.1 GB. [2018-10-27 07:35:53,514 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 1064.39 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: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 276.91 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 759.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -844.2 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.32 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 4058.36 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 198.0 MB). Peak memory consumption was 198.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 229915.38 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 3.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 534.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 189]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 189). Cancelled while BasicCegarLoop was constructing difference of abstraction (15107states) and FLOYD_HOARE automaton (currently 15 states, 9 states before enhancement),while ReachableStatesComputation was computing reachable states (10317 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 229.8s OverallTime, 9 OverallIterations, 4 TraceHistogramMax, 195.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2097 SDtfs, 8598 SDslu, 2180 SDs, 0 SdLazy, 18070 SolverSat, 3444 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 160.5s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 2191 GetRequests, 2049 SyntacticMatches, 8 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2459 ImplicationChecksByTransitivity, 25.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15107occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.9s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.9977449766819333 AbsIntWeakeningRatio, 0.10222222222222223 AbsIntAvgWeakeningVarsNumRemoved, 17.97888888888889 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 1086 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 25.3s InterpolantComputationTime, 2825 NumberOfCodeBlocks, 2825 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 3379 ConstructedInterpolants, 2 QuantifiedInterpolants, 2908116 SizeOfPredicates, 3 NumberOfNonLiveVariables, 981 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 13 InterpolantComputations, 5 PerfectInterpolantSequences, 2342/2670 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown