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/Problem01_label28_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-25 00:02:01,519 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-25 00:02:01,522 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-25 00:02:01,541 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-25 00:02:01,542 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-25 00:02:01,543 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-25 00:02:01,547 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-25 00:02:01,549 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-25 00:02:01,552 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-25 00:02:01,553 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-25 00:02:01,555 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-25 00:02:01,556 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-25 00:02:01,557 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-25 00:02:01,558 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-25 00:02:01,559 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-25 00:02:01,567 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-25 00:02:01,570 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-25 00:02:01,575 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-25 00:02:01,577 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-25 00:02:01,579 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-25 00:02:01,583 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-25 00:02:01,585 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-25 00:02:01,588 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-25 00:02:01,609 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 [2018-10-25 00:02:01,633 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-25 00:02:01,634 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-25 00:02:01,635 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-25 00:02:01,635 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-25 00:02:01,635 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-25 00:02:01,635 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-25 00:02:01,635 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-25 00:02:01,636 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-25 00:02:01,636 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-25 00:02:01,636 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-25 00:02:01,636 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-25 00:02:01,636 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-25 00:02:01,636 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-25 00:02:01,637 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-25 00:02:01,638 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-25 00:02:01,638 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-25 00:02:01,638 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-25 00:02:01,639 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-25 00:02:01,640 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-25 00:02:01,641 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-25 00:02:01,641 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-25 00:02:01,641 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-25 00:02:01,641 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-25 00:02:01,641 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-25 00:02:01,642 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-25 00:02:01,642 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-25 00:02:01,642 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-25 00:02:01,643 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-25 00:02:01,643 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-25 00:02:01,643 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-25 00:02:01,643 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-25 00:02:01,643 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-25 00:02:01,644 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-25 00:02:01,644 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-25 00:02:01,644 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-25 00:02:01,644 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-25 00:02:01,694 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-25 00:02:01,708 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-25 00:02:01,712 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-25 00:02:01,713 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-25 00:02:01,714 INFO L276 PluginConnector]: CDTParser initialized [2018-10-25 00:02:01,715 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label28_true-unreach-call_false-termination.c [2018-10-25 00:02:01,782 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/31e656ca8/e221dca8a6eb40ff8ce10575fca0a47a/FLAGd64d45939 [2018-10-25 00:02:02,377 INFO L298 CDTParser]: Found 1 translation units. [2018-10-25 00:02:02,379 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label28_true-unreach-call_false-termination.c [2018-10-25 00:02:02,394 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/31e656ca8/e221dca8a6eb40ff8ce10575fca0a47a/FLAGd64d45939 [2018-10-25 00:02:02,413 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/31e656ca8/e221dca8a6eb40ff8ce10575fca0a47a [2018-10-25 00:02:02,426 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-25 00:02:02,427 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-25 00:02:02,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-25 00:02:02,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-25 00:02:02,432 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-25 00:02:02,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 12:02:02" (1/1) ... [2018-10-25 00:02:02,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@497fe8da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:02:02, skipping insertion in model container [2018-10-25 00:02:02,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 12:02:02" (1/1) ... [2018-10-25 00:02:02,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-25 00:02:02,526 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-25 00:02:03,022 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 00:02:03,028 INFO L189 MainTranslator]: Completed pre-run [2018-10-25 00:02:03,133 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 00:02:03,150 INFO L193 MainTranslator]: Completed translation [2018-10-25 00:02:03,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:02:03 WrapperNode [2018-10-25 00:02:03,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-25 00:02:03,152 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-25 00:02:03,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-25 00:02:03,153 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-25 00:02:03,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:02:03" (1/1) ... [2018-10-25 00:02:03,181 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:02:03" (1/1) ... [2018-10-25 00:02:03,254 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-25 00:02:03,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-25 00:02:03,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-25 00:02:03,254 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-25 00:02:03,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:02:03" (1/1) ... [2018-10-25 00:02:03,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:02:03" (1/1) ... [2018-10-25 00:02:03,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:02:03" (1/1) ... [2018-10-25 00:02:03,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:02:03" (1/1) ... [2018-10-25 00:02:03,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:02:03" (1/1) ... [2018-10-25 00:02:03,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:02:03" (1/1) ... [2018-10-25 00:02:03,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:02:03" (1/1) ... [2018-10-25 00:02:03,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-25 00:02:03,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-25 00:02:03,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-25 00:02:03,443 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-25 00:02:03,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:02:03" (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 [2018-10-25 00:02:03,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-25 00:02:03,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-25 00:02:03,511 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-25 00:02:03,512 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-25 00:02:03,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-25 00:02:03,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-25 00:02:03,512 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-25 00:02:03,512 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-25 00:02:06,626 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-25 00:02:06,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 12:02:06 BoogieIcfgContainer [2018-10-25 00:02:06,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-25 00:02:06,628 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-25 00:02:06,628 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-25 00:02:06,632 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-25 00:02:06,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 12:02:02" (1/3) ... [2018-10-25 00:02:06,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab83997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 12:02:06, skipping insertion in model container [2018-10-25 00:02:06,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:02:03" (2/3) ... [2018-10-25 00:02:06,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab83997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 12:02:06, skipping insertion in model container [2018-10-25 00:02:06,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 12:02:06" (3/3) ... [2018-10-25 00:02:06,636 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label28_true-unreach-call_false-termination.c [2018-10-25 00:02:06,649 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-25 00:02:06,661 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-25 00:02:06,679 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-25 00:02:06,719 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-25 00:02:06,719 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-25 00:02:06,719 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-25 00:02:06,719 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-25 00:02:06,719 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-25 00:02:06,720 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-25 00:02:06,720 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-25 00:02:06,720 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-25 00:02:06,750 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-10-25 00:02:06,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-25 00:02:06,764 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:02:06,765 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:02:06,768 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:02:06,774 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:02:06,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1379004888, now seen corresponding path program 1 times [2018-10-25 00:02:06,777 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:02:06,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:02:06,827 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:02:06,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:02:06,828 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:02:06,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:02:07,542 WARN L179 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-10-25 00:02:07,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:02:07,749 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:02:07,749 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-25 00:02:07,749 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:02:07,756 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-25 00:02:07,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-25 00:02:07,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-25 00:02:07,776 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 4 states. [2018-10-25 00:02:10,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:02:10,339 INFO L93 Difference]: Finished difference Result 702 states and 1227 transitions. [2018-10-25 00:02:10,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-25 00:02:10,344 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 100 [2018-10-25 00:02:10,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:02:10,367 INFO L225 Difference]: With dead ends: 702 [2018-10-25 00:02:10,367 INFO L226 Difference]: Without dead ends: 488 [2018-10-25 00:02:10,375 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-25 00:02:10,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2018-10-25 00:02:10,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 340. [2018-10-25 00:02:10,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-10-25 00:02:10,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 565 transitions. [2018-10-25 00:02:10,460 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 565 transitions. Word has length 100 [2018-10-25 00:02:10,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:02:10,461 INFO L481 AbstractCegarLoop]: Abstraction has 340 states and 565 transitions. [2018-10-25 00:02:10,462 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-25 00:02:10,462 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 565 transitions. [2018-10-25 00:02:10,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-25 00:02:10,469 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:02:10,469 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-25 00:02:10,470 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:02:10,470 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:02:10,470 INFO L82 PathProgramCache]: Analyzing trace with hash 2021408823, now seen corresponding path program 1 times [2018-10-25 00:02:10,470 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:02:10,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:02:10,472 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:02:10,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:02:10,472 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:02:10,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:02:10,690 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:02:10,690 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:02:10,690 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-25 00:02:10,691 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:02:10,693 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 00:02:10,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 00:02:10,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 00:02:10,694 INFO L87 Difference]: Start difference. First operand 340 states and 565 transitions. Second operand 6 states. [2018-10-25 00:02:12,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:02:12,787 INFO L93 Difference]: Finished difference Result 1070 states and 1865 transitions. [2018-10-25 00:02:12,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-25 00:02:12,788 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 111 [2018-10-25 00:02:12,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:02:12,797 INFO L225 Difference]: With dead ends: 1070 [2018-10-25 00:02:12,798 INFO L226 Difference]: Without dead ends: 736 [2018-10-25 00:02:12,803 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-25 00:02:12,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2018-10-25 00:02:12,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 719. [2018-10-25 00:02:12,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 719 states. [2018-10-25 00:02:12,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 1163 transitions. [2018-10-25 00:02:12,869 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 1163 transitions. Word has length 111 [2018-10-25 00:02:12,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:02:12,870 INFO L481 AbstractCegarLoop]: Abstraction has 719 states and 1163 transitions. [2018-10-25 00:02:12,870 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 00:02:12,871 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 1163 transitions. [2018-10-25 00:02:12,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-25 00:02:12,884 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:02:12,885 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:02:12,885 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:02:12,885 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:02:12,885 INFO L82 PathProgramCache]: Analyzing trace with hash 1410703731, now seen corresponding path program 1 times [2018-10-25 00:02:12,886 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:02:12,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:02:12,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:02:12,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:02:12,887 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:02:12,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:02:13,186 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:02:13,186 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:02:13,187 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-25 00:02:13,187 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:02:13,188 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 00:02:13,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 00:02:13,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 00:02:13,189 INFO L87 Difference]: Start difference. First operand 719 states and 1163 transitions. Second operand 6 states. [2018-10-25 00:02:16,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:02:16,042 INFO L93 Difference]: Finished difference Result 2165 states and 3625 transitions. [2018-10-25 00:02:16,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-25 00:02:16,045 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 124 [2018-10-25 00:02:16,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:02:16,062 INFO L225 Difference]: With dead ends: 2165 [2018-10-25 00:02:16,062 INFO L226 Difference]: Without dead ends: 1452 [2018-10-25 00:02:16,067 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-25 00:02:16,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1452 states. [2018-10-25 00:02:16,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1452 to 1436. [2018-10-25 00:02:16,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1436 states. [2018-10-25 00:02:16,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1436 states and 2226 transitions. [2018-10-25 00:02:16,162 INFO L78 Accepts]: Start accepts. Automaton has 1436 states and 2226 transitions. Word has length 124 [2018-10-25 00:02:16,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:02:16,162 INFO L481 AbstractCegarLoop]: Abstraction has 1436 states and 2226 transitions. [2018-10-25 00:02:16,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 00:02:16,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 2226 transitions. [2018-10-25 00:02:16,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-25 00:02:16,169 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:02:16,170 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-25 00:02:16,170 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:02:16,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:02:16,171 INFO L82 PathProgramCache]: Analyzing trace with hash -1532774618, now seen corresponding path program 1 times [2018-10-25 00:02:16,171 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:02:16,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:02:16,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:02:16,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:02:16,173 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:02:16,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:02:16,399 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:02:16,399 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:02:16,399 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:02:16,400 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-10-25 00:02:16,404 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-25 00:02:16,457 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:02:16,458 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:02:17,489 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:02:17,490 INFO L272 AbstractInterpreter]: Visited 104 different actions 201 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-10-25 00:02:17,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:02:17,534 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:02:18,438 INFO L232 lantSequenceWeakener]: Weakened 108 states. On average, predicates are now at 80.54% of their original sizes. [2018-10-25 00:02:18,438 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:02:21,455 INFO L413 sIntCurrentIteration]: We have 135 unified AI predicates [2018-10-25 00:02:21,455 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:02:21,456 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:02:21,456 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [6] total 19 [2018-10-25 00:02:21,456 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:02:21,457 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-25 00:02:21,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-25 00:02:21,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2018-10-25 00:02:21,458 INFO L87 Difference]: Start difference. First operand 1436 states and 2226 transitions. Second operand 15 states. [2018-10-25 00:02:39,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:02:39,590 INFO L93 Difference]: Finished difference Result 5040 states and 7824 transitions. [2018-10-25 00:02:39,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-25 00:02:39,590 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 136 [2018-10-25 00:02:39,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:02:39,611 INFO L225 Difference]: With dead ends: 5040 [2018-10-25 00:02:39,611 INFO L226 Difference]: Without dead ends: 3610 [2018-10-25 00:02:39,622 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 142 GetRequests, 39 SyntacticMatches, 83 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 730 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=112, Invalid=350, Unknown=0, NotChecked=0, Total=462 [2018-10-25 00:02:39,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3610 states. [2018-10-25 00:02:39,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3610 to 3544. [2018-10-25 00:02:39,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3544 states. [2018-10-25 00:02:39,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3544 states to 3544 states and 4565 transitions. [2018-10-25 00:02:39,736 INFO L78 Accepts]: Start accepts. Automaton has 3544 states and 4565 transitions. Word has length 136 [2018-10-25 00:02:39,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:02:39,737 INFO L481 AbstractCegarLoop]: Abstraction has 3544 states and 4565 transitions. [2018-10-25 00:02:39,737 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-25 00:02:39,737 INFO L276 IsEmpty]: Start isEmpty. Operand 3544 states and 4565 transitions. [2018-10-25 00:02:39,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-25 00:02:39,745 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:02:39,745 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-25 00:02:39,746 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:02:39,746 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:02:39,746 INFO L82 PathProgramCache]: Analyzing trace with hash -485749119, now seen corresponding path program 1 times [2018-10-25 00:02:39,746 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:02:39,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:02:39,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:02:39,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:02:39,748 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:02:39,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:02:40,065 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 52 proven. 15 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-25 00:02:40,065 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:02:40,065 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:02:40,066 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 150 with the following transitions: [2018-10-25 00:02:40,066 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-25 00:02:40,072 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:02:40,072 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:02:40,319 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:02:40,320 INFO L272 AbstractInterpreter]: Visited 105 different actions 204 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-10-25 00:02:40,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:02:40,327 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:02:40,752 INFO L232 lantSequenceWeakener]: Weakened 146 states. On average, predicates are now at 80.31% of their original sizes. [2018-10-25 00:02:40,752 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:02:40,909 INFO L413 sIntCurrentIteration]: We have 148 unified AI predicates [2018-10-25 00:02:40,909 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:02:40,909 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:02:40,910 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-10-25 00:02:40,910 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:02:40,910 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-25 00:02:40,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-25 00:02:40,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-25 00:02:40,911 INFO L87 Difference]: Start difference. First operand 3544 states and 4565 transitions. Second operand 10 states. [2018-10-25 00:02:46,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:02:46,064 INFO L93 Difference]: Finished difference Result 6755 states and 8830 transitions. [2018-10-25 00:02:46,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-25 00:02:46,064 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 149 [2018-10-25 00:02:46,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:02:46,082 INFO L225 Difference]: With dead ends: 6755 [2018-10-25 00:02:46,082 INFO L226 Difference]: Without dead ends: 3685 [2018-10-25 00:02:46,094 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 156 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-10-25 00:02:46,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3685 states. [2018-10-25 00:02:46,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3685 to 3682. [2018-10-25 00:02:46,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3682 states. [2018-10-25 00:02:46,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3682 states to 3682 states and 4719 transitions. [2018-10-25 00:02:46,185 INFO L78 Accepts]: Start accepts. Automaton has 3682 states and 4719 transitions. Word has length 149 [2018-10-25 00:02:46,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:02:46,185 INFO L481 AbstractCegarLoop]: Abstraction has 3682 states and 4719 transitions. [2018-10-25 00:02:46,185 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-25 00:02:46,185 INFO L276 IsEmpty]: Start isEmpty. Operand 3682 states and 4719 transitions. [2018-10-25 00:02:46,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-25 00:02:46,196 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:02:46,196 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-10-25 00:02:46,197 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:02:46,197 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:02:46,197 INFO L82 PathProgramCache]: Analyzing trace with hash -855328722, now seen corresponding path program 1 times [2018-10-25 00:02:46,197 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:02:46,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:02:46,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:02:46,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:02:46,199 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:02:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:02:46,299 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 66 proven. 14 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-25 00:02:46,299 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:02:46,299 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:02:46,299 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 162 with the following transitions: [2018-10-25 00:02:46,300 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-25 00:02:46,304 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:02:46,304 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:02:46,748 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:02:46,748 INFO L272 AbstractInterpreter]: Visited 106 different actions 321 times. Merged at 7 different actions 25 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 42 variables. [2018-10-25 00:02:46,752 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:02:46,752 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:02:47,565 INFO L232 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 80.62% of their original sizes. [2018-10-25 00:02:47,566 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:02:51,320 INFO L413 sIntCurrentIteration]: We have 160 unified AI predicates [2018-10-25 00:02:51,320 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:02:51,320 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:02:51,321 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [5] total 15 [2018-10-25 00:02:51,321 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:02:51,321 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-25 00:02:51,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-25 00:02:51,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2018-10-25 00:02:51,322 INFO L87 Difference]: Start difference. First operand 3682 states and 4719 transitions. Second operand 12 states. [2018-10-25 00:03:06,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:03:06,363 INFO L93 Difference]: Finished difference Result 8594 states and 11247 transitions. [2018-10-25 00:03:06,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-25 00:03:06,364 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 161 [2018-10-25 00:03:06,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:03:06,389 INFO L225 Difference]: With dead ends: 8594 [2018-10-25 00:03:06,389 INFO L226 Difference]: Without dead ends: 5524 [2018-10-25 00:03:06,402 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 164 GetRequests, 37 SyntacticMatches, 113 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 579 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2018-10-25 00:03:06,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5524 states. [2018-10-25 00:03:06,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5524 to 5497. [2018-10-25 00:03:06,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5497 states. [2018-10-25 00:03:06,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5497 states to 5497 states and 6875 transitions. [2018-10-25 00:03:06,543 INFO L78 Accepts]: Start accepts. Automaton has 5497 states and 6875 transitions. Word has length 161 [2018-10-25 00:03:06,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:03:06,543 INFO L481 AbstractCegarLoop]: Abstraction has 5497 states and 6875 transitions. [2018-10-25 00:03:06,543 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-25 00:03:06,544 INFO L276 IsEmpty]: Start isEmpty. Operand 5497 states and 6875 transitions. [2018-10-25 00:03:06,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-10-25 00:03:06,556 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:03:06,556 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:03:06,557 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:03:06,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:03:06,557 INFO L82 PathProgramCache]: Analyzing trace with hash 41477585, now seen corresponding path program 1 times [2018-10-25 00:03:06,557 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:03:06,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:03:06,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:03:06,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:03:06,558 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:03:06,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:03:06,836 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 88 proven. 20 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-10-25 00:03:06,836 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:03:06,836 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:03:06,837 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 182 with the following transitions: [2018-10-25 00:03:06,837 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-25 00:03:06,848 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:03:06,849 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:03:08,015 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:03:08,016 INFO L272 AbstractInterpreter]: Visited 108 different actions 557 times. Merged at 10 different actions 64 times. Widened at 1 different actions 8 times. Found 12 fixpoints after 4 different actions. Largest state had 42 variables. [2018-10-25 00:03:08,023 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:03:08,024 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:03:08,024 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:03:08,024 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 [2018-10-25 00:03:08,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:03:08,034 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:03:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:03:08,155 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:03:08,323 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 82 proven. 2 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-10-25 00:03:08,324 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:03:09,231 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 88 proven. 20 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-10-25 00:03:09,254 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:03:09,254 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-10-25 00:03:09,254 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:03:09,255 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-25 00:03:09,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-25 00:03:09,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-10-25 00:03:09,256 INFO L87 Difference]: Start difference. First operand 5497 states and 6875 transitions. Second operand 8 states. [2018-10-25 00:03:14,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:03:14,417 INFO L93 Difference]: Finished difference Result 13252 states and 17679 transitions. [2018-10-25 00:03:14,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-25 00:03:14,418 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 181 [2018-10-25 00:03:14,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:03:14,419 INFO L225 Difference]: With dead ends: 13252 [2018-10-25 00:03:14,419 INFO L226 Difference]: Without dead ends: 0 [2018-10-25 00:03:14,473 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 407 GetRequests, 377 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=215, Invalid=777, Unknown=0, NotChecked=0, Total=992 [2018-10-25 00:03:14,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-25 00:03:14,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-25 00:03:14,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-25 00:03:14,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-25 00:03:14,475 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 181 [2018-10-25 00:03:14,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:03:14,475 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-25 00:03:14,475 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-25 00:03:14,475 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-25 00:03:14,475 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-25 00:03:14,481 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-25 00:03:14,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:03:14,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:03:14,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:03:14,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:03:14,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:03:14,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:03:14,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:03:14,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:03:14,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:03:14,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:03:14,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:03:14,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:03:14,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:03:14,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:03:14,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:03:14,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:03:14,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:03:14,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:03:14,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:03:15,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:03:15,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:03:15,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:03:15,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:03:15,388 WARN L179 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 200 [2018-10-25 00:03:15,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:03:15,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:03:15,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:03:15,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:03:15,718 WARN L179 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 172 [2018-10-25 00:03:16,785 WARN L179 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2018-10-25 00:03:18,134 WARN L179 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 138 DAG size of output: 86 [2018-10-25 00:03:22,516 WARN L179 SmtUtils]: Spent 4.33 s on a formula simplification. DAG size of input: 306 DAG size of output: 86 [2018-10-25 00:03:23,435 WARN L179 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 98 [2018-10-25 00:03:23,888 WARN L179 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 100 [2018-10-25 00:03:23,891 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-25 00:03:23,891 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a16~0)| ~a16~0)) [2018-10-25 00:03:23,891 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-25 00:03:23,891 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-10-25 00:03:23,891 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-10-25 00:03:23,892 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,892 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,892 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,892 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,892 INFO L425 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,892 INFO L425 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,892 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-10-25 00:03:23,893 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-10-25 00:03:23,893 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-10-25 00:03:23,893 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-10-25 00:03:23,893 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-10-25 00:03:23,893 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-10-25 00:03:23,893 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-10-25 00:03:23,893 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-10-25 00:03:23,893 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-10-25 00:03:23,894 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-10-25 00:03:23,894 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,894 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,894 INFO L425 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,894 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,894 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,894 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,894 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-10-25 00:03:23,895 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-10-25 00:03:23,895 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-10-25 00:03:23,895 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-10-25 00:03:23,895 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-10-25 00:03:23,895 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-10-25 00:03:23,895 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-10-25 00:03:23,895 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-10-25 00:03:23,895 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-10-25 00:03:23,895 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-10-25 00:03:23,895 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-10-25 00:03:23,895 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-10-25 00:03:23,896 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-10-25 00:03:23,896 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-10-25 00:03:23,896 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 455) no Hoare annotation was computed. [2018-10-25 00:03:23,896 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-10-25 00:03:23,896 INFO L425 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,896 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,896 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,896 INFO L425 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,896 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,896 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-10-25 00:03:23,896 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-10-25 00:03:23,897 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-10-25 00:03:23,897 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-10-25 00:03:23,897 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-10-25 00:03:23,897 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-10-25 00:03:23,897 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-10-25 00:03:23,897 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-10-25 00:03:23,897 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-10-25 00:03:23,897 INFO L425 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,897 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,897 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,897 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,898 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,898 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-10-25 00:03:23,898 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-10-25 00:03:23,898 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-10-25 00:03:23,898 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-10-25 00:03:23,898 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-10-25 00:03:23,898 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-10-25 00:03:23,898 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-10-25 00:03:23,899 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-10-25 00:03:23,899 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-10-25 00:03:23,899 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-10-25 00:03:23,899 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-10-25 00:03:23,899 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-10-25 00:03:23,899 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-10-25 00:03:23,899 INFO L425 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,899 INFO L425 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,899 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,900 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,900 INFO L425 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,900 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-10-25 00:03:23,900 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-10-25 00:03:23,900 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-10-25 00:03:23,900 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-10-25 00:03:23,900 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-10-25 00:03:23,900 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-10-25 00:03:23,900 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-10-25 00:03:23,901 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-10-25 00:03:23,901 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-10-25 00:03:23,901 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,901 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,901 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,901 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,901 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,901 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,901 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-10-25 00:03:23,901 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,901 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-10-25 00:03:23,901 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-10-25 00:03:23,901 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-10-25 00:03:23,902 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-10-25 00:03:23,902 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-10-25 00:03:23,902 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-10-25 00:03:23,902 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-10-25 00:03:23,902 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-10-25 00:03:23,902 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-10-25 00:03:23,902 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-10-25 00:03:23,902 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-10-25 00:03:23,902 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-10-25 00:03:23,902 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-10-25 00:03:23,902 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,902 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,902 INFO L425 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,903 INFO L425 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,903 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,903 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-10-25 00:03:23,903 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-10-25 00:03:23,903 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-10-25 00:03:23,903 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-10-25 00:03:23,903 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-10-25 00:03:23,903 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-10-25 00:03:23,903 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-10-25 00:03:23,903 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-10-25 00:03:23,903 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,903 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,903 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,904 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,904 INFO L425 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,904 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-10-25 00:03:23,904 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-10-25 00:03:23,904 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-10-25 00:03:23,904 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-10-25 00:03:23,904 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-10-25 00:03:23,904 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-10-25 00:03:23,904 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-10-25 00:03:23,904 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-10-25 00:03:23,905 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-10-25 00:03:23,905 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-10-25 00:03:23,905 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse11 (not (= 1 |old(~a21~0)|))) (.cse22 (= 0 |old(~a16~0)|)) (.cse12 (not (= 8 ~a12~0))) (.cse23 (= 0 |old(~a8~0)|)) (.cse13 (not (= 1 |old(~a17~0)|))) (.cse17 (not (= ~a16~0 0))) (.cse18 (not (= ~a8~0 0))) (.cse19 (= ~a17~0 1)) (.cse20 (= ~a12~0 8)) (.cse21 (= ~a21~0 1)) (.cse14 (= ~a20~0 1)) (.cse10 (= |calculate_output_#in~input| 0)) (.cse24 (= 1 |old(~a20~0)|)) (.cse15 (= |old(~a8~0)| ~a8~0)) (.cse16 (= |old(~a16~0)| ~a16~0))) (let ((.cse2 (= 13 |old(~a8~0)|)) (.cse1 (and (= ~a7~0 |old(~a7~0)|) .cse15 .cse16)) (.cse5 (and (= |old(~a7~0)| |old(~a20~0)|) .cse24)) (.cse7 (and .cse17 .cse18 .cse19 .cse20 .cse21 .cse14 (not .cse10))) (.cse6 (or .cse11 (not .cse24) .cse22 .cse12 .cse10 .cse23 .cse13)) (.cse0 (= 6 |old(~a16~0)|)) (.cse4 (or .cse11 .cse22 .cse12 .cse23 .cse13)) (.cse3 (and .cse17 .cse18 .cse19 .cse20 .cse21)) (.cse9 (< 13 |old(~a8~0)|)) (.cse8 (not (= 1 |old(~a7~0)|)))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse7) (or .cse7 .cse6 .cse5) (or .cse1 .cse2 .cse5) (or .cse8 (not (= ~a20~0 ~a7~0)) .cse5) (or .cse9 .cse6 .cse1) (or .cse10 (or (not (= 0 |old(~a7~0)|)) .cse11 (not (= 15 |old(~a8~0)|)) (not (= 0 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) .cse12 .cse13) (or (= ~a20~0 0) .cse14)) (or .cse4 .cse8 .cse3 .cse5) (or .cse9 .cse7 .cse6) (or .cse0 (= |old(~a7~0)| 1) .cse4 .cse3) (or .cse9 (and (= 1 ~a7~0) .cse15 .cse16) .cse8)))) [2018-10-25 00:03:23,905 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-10-25 00:03:23,905 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,906 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,906 INFO L425 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,906 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,906 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-10-25 00:03:23,906 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,906 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,906 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-10-25 00:03:23,906 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-10-25 00:03:23,907 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-10-25 00:03:23,907 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-10-25 00:03:23,907 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-10-25 00:03:23,907 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-10-25 00:03:23,907 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-10-25 00:03:23,907 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-10-25 00:03:23,907 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-10-25 00:03:23,907 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-10-25 00:03:23,907 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-10-25 00:03:23,907 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-10-25 00:03:23,907 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,908 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,908 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,908 INFO L425 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,908 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,908 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-10-25 00:03:23,908 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,908 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-10-25 00:03:23,908 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-10-25 00:03:23,908 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-10-25 00:03:23,908 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-10-25 00:03:23,908 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-10-25 00:03:23,908 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-10-25 00:03:23,908 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-10-25 00:03:23,908 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-10-25 00:03:23,909 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-10-25 00:03:23,909 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-10-25 00:03:23,909 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-10-25 00:03:23,909 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-10-25 00:03:23,909 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-10-25 00:03:23,909 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-10-25 00:03:23,909 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,909 INFO L425 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,909 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,909 INFO L425 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,909 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,909 INFO L425 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:03:23,910 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-10-25 00:03:23,910 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-10-25 00:03:23,910 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-10-25 00:03:23,910 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-10-25 00:03:23,910 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-10-25 00:03:23,910 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-10-25 00:03:23,910 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-10-25 00:03:23,910 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-10-25 00:03:23,911 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-10-25 00:03:23,911 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-10-25 00:03:23,911 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-25 00:03:23,911 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~a8~0 15) (= ~z~0 26) (= ~a17~0 1) (= ~c~0 3) (= ~a21~0 1) (= ~f~0 6) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~a7~0 0) (= ~y~0 25) (= ~e~0 5) (= ~x~0 24) (= ~b~0 2) (= ~a~0 1) (= ~a12~0 8) (= ~a20~0 1) (= ~a16~0 5)) [2018-10-25 00:03:23,911 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-25 00:03:23,911 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-25 00:03:23,911 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= |old(~a16~0)| 5)) (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (not (= |old(~a7~0)| 0)) (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (and (= ~a21~0 1) (= |old(~a8~0)| ~a8~0) (= ~a17~0 1) (= ~a7~0 |old(~a7~0)|) (= ~a20~0 1) (= ~a16~0 5)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= ~x~0 24)) (not (= |old(~a17~0)| 1)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= |old(~a8~0)| 15)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-10-25 00:03:23,912 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-10-25 00:03:23,912 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (or (not (= 1 ~a20~0)) (not (= ~a20~0 ~a7~0))))) (or (not (= ~a16~0 6)) (and (not (= main_~input~0 0)) (= ~a17~0 1) .cse0 (= ~a21~0 1) (= ~a20~0 1)) (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (not (= ~x~0 24)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (and (<= ~a8~0 13) (= 1 ~a7~0)) (not (= ~z~0 26)) (not (= |old(~a16~0)| 5)) (and .cse0 (not (= ~a8~0 13))) (not (= 0 |old(~a7~0)|)) (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (not (= 23 ~w~0)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 1)) (not (= |old(~a8~0)| 15)) (not (= 6 ~f~0)))) [2018-10-25 00:03:23,912 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-10-25 00:03:23,912 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-10-25 00:03:23,912 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-10-25 00:03:23,912 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse0 (or (not (= 1 ~a20~0)) (not (= ~a20~0 ~a7~0))))) (or (not (= ~a16~0 6)) (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (not (= ~x~0 24)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (and (<= ~a8~0 13) (= 1 ~a7~0)) (not (= ~z~0 26)) (not (= |old(~a16~0)| 5)) (and .cse0 (not (= ~a8~0 13))) (not (= 0 |old(~a7~0)|)) (and (and (= ~a17~0 1) (= ~a21~0 1) (= ~a20~0 1)) .cse0) (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (not (= 23 ~w~0)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 1)) (not (= |old(~a8~0)| 15)) (not (= 6 ~f~0)))) [2018-10-25 00:03:23,913 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-10-25 00:03:23,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 12:03:23 BoogieIcfgContainer [2018-10-25 00:03:23,927 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-25 00:03:23,928 INFO L168 Benchmark]: Toolchain (without parser) took 81501.93 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -931.5 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-10-25 00:03:23,929 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-25 00:03:23,930 INFO L168 Benchmark]: CACSL2BoogieTranslator took 723.51 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-25 00:03:23,931 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.69 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-10-25 00:03:23,932 INFO L168 Benchmark]: Boogie Preprocessor took 188.06 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 744.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -838.4 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2018-10-25 00:03:23,933 INFO L168 Benchmark]: RCFGBuilder took 3184.64 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 118.0 MB). Peak memory consumption was 118.0 MB. Max. memory is 7.1 GB. [2018-10-25 00:03:23,933 INFO L168 Benchmark]: TraceAbstraction took 77299.12 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 2.3 GB in the end (delta: -253.4 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-10-25 00:03:23,939 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 723.51 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 101.69 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 188.06 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 744.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -838.4 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3184.64 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 118.0 MB). Peak memory consumption was 118.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 77299.12 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 2.3 GB in the end (delta: -253.4 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 455]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((((((((((((((!(a16 == 6) || !(\old(a21) == 1)) || !(b == 2)) || !(y == 25)) || !(x == 24)) || !(a12 == 8)) || !(e == 5)) || !(d == 4)) || !(21 == u)) || !(22 == v)) || (a8 <= 13 && 1 == a7)) || !(z == 26)) || !(\old(a16) == 5)) || ((!(1 == a20) || !(a20 == a7)) && !(a8 == 13))) || !(0 == \old(a7))) || (((a17 == 1 && a21 == 1) && a20 == 1) && (!(1 == a20) || !(a20 == a7)))) || !(3 == c)) || !(\old(a20) == 1)) || !(23 == w)) || !(a == 1)) || !(\old(a17) == 1)) || !(\old(a8) == 15)) || !(6 == f) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 77.2s OverallTime, 7 OverallIterations, 6 TraceHistogramMax, 51.2s AutomataDifference, 0.0s DeadEndRemovalTime, 9.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 957 SDtfs, 8230 SDslu, 896 SDs, 0 SdLazy, 10404 SolverSat, 1762 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.3s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 895 GetRequests, 599 SyntacticMatches, 200 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1553 ImplicationChecksByTransitivity, 9.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5497occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.0s AbstIntTime, 4 AbstIntIterations, 3 AbstIntStrong, 0.9962380030943354 AbsIntWeakeningRatio, 0.27765237020316025 AbsIntAvgWeakeningVarsNumRemoved, 1.200902934537246 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 7 MinimizatonAttempts, 277 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 146 PreInvPairs, 284 NumberOfFragments, 875 HoareAnnotationTreeSize, 146 FomulaSimplifications, 22754 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 17771 FormulaSimplificationTreeSizeReductionInter, 8.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1143 NumberOfCodeBlocks, 1143 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1315 ConstructedInterpolants, 0 QuantifiedInterpolants, 354119 SizeOfPredicates, 1 NumberOfNonLiveVariables, 619 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 758/831 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...