java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem15_label32_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-14 17:47:02,461 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-14 17:47:02,463 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-14 17:47:02,481 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-14 17:47:02,481 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-14 17:47:02,482 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-14 17:47:02,483 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-14 17:47:02,485 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-14 17:47:02,487 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-14 17:47:02,488 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-14 17:47:02,489 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-14 17:47:02,489 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-14 17:47:02,490 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-14 17:47:02,491 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-14 17:47:02,492 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-14 17:47:02,493 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-14 17:47:02,494 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-14 17:47:02,496 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-14 17:47:02,498 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-14 17:47:02,499 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-14 17:47:02,500 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-14 17:47:02,501 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-14 17:47:02,504 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-14 17:47:02,504 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-14 17:47:02,504 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-14 17:47:02,505 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-14 17:47:02,506 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-14 17:47:02,507 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-14 17:47:02,508 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-14 17:47:02,509 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-14 17:47:02,509 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-14 17:47:02,510 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-14 17:47:02,510 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-14 17:47:02,510 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-14 17:47:02,511 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-14 17:47:02,512 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-14 17:47:02,512 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-09-14 17:47:02,542 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-14 17:47:02,542 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-14 17:47:02,544 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-14 17:47:02,544 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-14 17:47:02,544 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-14 17:47:02,544 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-14 17:47:02,545 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-14 17:47:02,545 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-14 17:47:02,545 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-14 17:47:02,545 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-14 17:47:02,545 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-14 17:47:02,546 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-14 17:47:02,546 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-14 17:47:02,546 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-14 17:47:02,547 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-14 17:47:02,547 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-14 17:47:02,547 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-14 17:47:02,547 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-14 17:47:02,548 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-14 17:47:02,548 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-14 17:47:02,548 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-14 17:47:02,549 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-14 17:47:02,549 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-14 17:47:02,549 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-14 17:47:02,549 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-14 17:47:02,549 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-14 17:47:02,550 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-14 17:47:02,550 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-14 17:47:02,550 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-14 17:47:02,550 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-14 17:47:02,550 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-14 17:47:02,551 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-14 17:47:02,551 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-14 17:47:02,601 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-14 17:47:02,618 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-14 17:47:02,623 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-14 17:47:02,625 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-14 17:47:02,625 INFO L276 PluginConnector]: CDTParser initialized [2018-09-14 17:47:02,626 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label32_true-unreach-call.c [2018-09-14 17:47:02,990 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9aaecf612/21e5c1039f4b40f3a0dc2af7ec206b5b/FLAG82e1c1517 [2018-09-14 17:47:03,370 INFO L277 CDTParser]: Found 1 translation units. [2018-09-14 17:47:03,371 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label32_true-unreach-call.c [2018-09-14 17:47:03,392 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9aaecf612/21e5c1039f4b40f3a0dc2af7ec206b5b/FLAG82e1c1517 [2018-09-14 17:47:03,410 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9aaecf612/21e5c1039f4b40f3a0dc2af7ec206b5b [2018-09-14 17:47:03,421 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-14 17:47:03,423 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-14 17:47:03,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-14 17:47:03,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-14 17:47:03,431 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-14 17:47:03,432 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 05:47:03" (1/1) ... [2018-09-14 17:47:03,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2872e34e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:47:03, skipping insertion in model container [2018-09-14 17:47:03,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 05:47:03" (1/1) ... [2018-09-14 17:47:03,448 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-14 17:47:04,218 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 17:47:04,236 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-14 17:47:04,513 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 17:47:04,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:47:04 WrapperNode [2018-09-14 17:47:04,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-14 17:47:04,643 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-14 17:47:04,643 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-14 17:47:04,643 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-14 17:47:04,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:47:04" (1/1) ... [2018-09-14 17:47:04,716 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:47:04" (1/1) ... [2018-09-14 17:47:04,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-14 17:47:04,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-14 17:47:04,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-14 17:47:04,890 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-14 17:47:05,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:47:04" (1/1) ... [2018-09-14 17:47:05,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:47:04" (1/1) ... [2018-09-14 17:47:05,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:47:04" (1/1) ... [2018-09-14 17:47:05,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:47:04" (1/1) ... [2018-09-14 17:47:05,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:47:04" (1/1) ... [2018-09-14 17:47:05,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:47:04" (1/1) ... [2018-09-14 17:47:05,530 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:47:04" (1/1) ... [2018-09-14 17:47:05,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-14 17:47:05,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-14 17:47:05,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-14 17:47:05,572 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-14 17:47:05,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:47:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-14 17:47:05,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-14 17:47:05,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-14 17:47:05,650 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-14 17:47:05,650 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-14 17:47:05,650 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-14 17:47:05,650 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-14 17:47:05,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-14 17:47:05,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-14 17:47:05,651 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-14 17:47:05,651 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-14 17:47:12,320 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-14 17:47:12,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 05:47:12 BoogieIcfgContainer [2018-09-14 17:47:12,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-14 17:47:12,323 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-14 17:47:12,323 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-14 17:47:12,325 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-14 17:47:12,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.09 05:47:03" (1/3) ... [2018-09-14 17:47:12,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f7a73b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 05:47:12, skipping insertion in model container [2018-09-14 17:47:12,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:47:04" (2/3) ... [2018-09-14 17:47:12,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f7a73b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 05:47:12, skipping insertion in model container [2018-09-14 17:47:12,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 05:47:12" (3/3) ... [2018-09-14 17:47:12,329 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label32_true-unreach-call.c [2018-09-14 17:47:12,340 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-14 17:47:12,351 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-14 17:47:12,408 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-14 17:47:12,409 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-14 17:47:12,409 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-14 17:47:12,409 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-14 17:47:12,409 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-14 17:47:12,410 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-14 17:47:12,410 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-14 17:47:12,410 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-14 17:47:12,410 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-14 17:47:12,446 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-09-14 17:47:12,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-14 17:47:12,457 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:47:12,458 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:47:12,459 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:47:12,464 INFO L82 PathProgramCache]: Analyzing trace with hash -317902452, now seen corresponding path program 1 times [2018-09-14 17:47:12,466 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:47:12,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:47:12,521 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:47:12,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:47:12,522 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:47:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:47:13,006 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 17:47:13,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:47:13,165 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 17:47:13,165 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-14 17:47:13,165 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:47:13,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 17:47:13,191 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 17:47:13,193 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 17:47:13,197 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 3 states. [2018-09-14 17:47:19,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:47:19,052 INFO L93 Difference]: Finished difference Result 1192 states and 2147 transitions. [2018-09-14 17:47:19,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 17:47:19,054 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2018-09-14 17:47:19,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:47:19,083 INFO L225 Difference]: With dead ends: 1192 [2018-09-14 17:47:19,083 INFO L226 Difference]: Without dead ends: 752 [2018-09-14 17:47:19,094 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 17:47:19,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2018-09-14 17:47:19,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 752. [2018-09-14 17:47:19,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 752 states. [2018-09-14 17:47:19,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1322 transitions. [2018-09-14 17:47:19,217 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1322 transitions. Word has length 56 [2018-09-14 17:47:19,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:47:19,218 INFO L480 AbstractCegarLoop]: Abstraction has 752 states and 1322 transitions. [2018-09-14 17:47:19,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 17:47:19,218 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1322 transitions. [2018-09-14 17:47:19,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-09-14 17:47:19,227 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:47:19,227 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:47:19,228 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:47:19,228 INFO L82 PathProgramCache]: Analyzing trace with hash -372180046, now seen corresponding path program 1 times [2018-09-14 17:47:19,228 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:47:19,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:47:19,230 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:47:19,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:47:19,230 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:47:19,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:47:19,672 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:47:19,673 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:47:19,673 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-09-14 17:47:19,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:47:19,692 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:47:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:47:19,807 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:47:20,884 WARN L178 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 15 [2018-09-14 17:47:21,041 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:47:21,041 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:47:21,244 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 23 [2018-09-14 17:47:21,458 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 15 [2018-09-14 17:47:21,918 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:47:21,940 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-14 17:47:21,941 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [7] total 12 [2018-09-14 17:47:21,941 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:47:21,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-14 17:47:21,942 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-14 17:47:21,942 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2018-09-14 17:47:21,942 INFO L87 Difference]: Start difference. First operand 752 states and 1322 transitions. Second operand 5 states. [2018-09-14 17:47:39,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:47:39,108 INFO L93 Difference]: Finished difference Result 2474 states and 4412 transitions. [2018-09-14 17:47:39,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 17:47:39,121 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 137 [2018-09-14 17:47:39,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:47:39,136 INFO L225 Difference]: With dead ends: 2474 [2018-09-14 17:47:39,136 INFO L226 Difference]: Without dead ends: 1728 [2018-09-14 17:47:39,142 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 270 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2018-09-14 17:47:39,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1728 states. [2018-09-14 17:47:39,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1728 to 1713. [2018-09-14 17:47:39,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1713 states. [2018-09-14 17:47:39,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1713 states and 2784 transitions. [2018-09-14 17:47:39,224 INFO L78 Accepts]: Start accepts. Automaton has 1713 states and 2784 transitions. Word has length 137 [2018-09-14 17:47:39,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:47:39,225 INFO L480 AbstractCegarLoop]: Abstraction has 1713 states and 2784 transitions. [2018-09-14 17:47:39,225 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-14 17:47:39,225 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 2784 transitions. [2018-09-14 17:47:39,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-09-14 17:47:39,237 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:47:39,237 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:47:39,237 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:47:39,238 INFO L82 PathProgramCache]: Analyzing trace with hash -996971197, now seen corresponding path program 1 times [2018-09-14 17:47:39,238 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:47:39,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:47:39,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:47:39,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:47:39,239 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:47:39,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:47:39,623 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:47:39,624 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 17:47:39,624 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-14 17:47:39,624 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:47:39,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-14 17:47:39,625 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-14 17:47:39,626 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-14 17:47:39,626 INFO L87 Difference]: Start difference. First operand 1713 states and 2784 transitions. Second operand 5 states. [2018-09-14 17:47:47,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:47:47,307 INFO L93 Difference]: Finished difference Result 4450 states and 7643 transitions. [2018-09-14 17:47:47,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-14 17:47:47,308 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 173 [2018-09-14 17:47:47,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:47:47,326 INFO L225 Difference]: With dead ends: 4450 [2018-09-14 17:47:47,326 INFO L226 Difference]: Without dead ends: 3054 [2018-09-14 17:47:47,332 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-14 17:47:47,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3054 states. [2018-09-14 17:47:47,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3054 to 2938. [2018-09-14 17:47:47,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2938 states. [2018-09-14 17:47:47,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2938 states to 2938 states and 4358 transitions. [2018-09-14 17:47:47,430 INFO L78 Accepts]: Start accepts. Automaton has 2938 states and 4358 transitions. Word has length 173 [2018-09-14 17:47:47,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:47:47,431 INFO L480 AbstractCegarLoop]: Abstraction has 2938 states and 4358 transitions. [2018-09-14 17:47:47,431 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-14 17:47:47,431 INFO L276 IsEmpty]: Start isEmpty. Operand 2938 states and 4358 transitions. [2018-09-14 17:47:47,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-09-14 17:47:47,439 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:47:47,439 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:47:47,439 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:47:47,439 INFO L82 PathProgramCache]: Analyzing trace with hash 2126769513, now seen corresponding path program 1 times [2018-09-14 17:47:47,440 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:47:47,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:47:47,441 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:47:47,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:47:47,441 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:47:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:47:47,908 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 17:47:48,994 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 48 proven. 124 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-09-14 17:47:48,994 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:47:48,994 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 17:47:49,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:47:49,011 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:47:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:47:49,099 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:47:50,162 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 153 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:47:50,163 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:47:50,658 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 103 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:47:50,678 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:47:50,679 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-14 17:47:50,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:47:50,696 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:47:50,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:47:50,850 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:47:51,145 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 103 proven. 26 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-09-14 17:47:51,146 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:47:51,764 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 103 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:47:51,765 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-14 17:47:51,766 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9, 8, 9] total 30 [2018-09-14 17:47:51,766 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-14 17:47:51,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-09-14 17:47:51,767 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-09-14 17:47:51,768 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=707, Unknown=0, NotChecked=0, Total=870 [2018-09-14 17:47:51,769 INFO L87 Difference]: Start difference. First operand 2938 states and 4358 transitions. Second operand 20 states. [2018-09-14 17:47:52,459 WARN L178 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 37 [2018-09-14 17:47:58,235 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 29 [2018-09-14 17:48:04,225 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2018-09-14 17:48:05,309 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2018-09-14 17:48:05,562 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 41 [2018-09-14 17:48:08,955 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2018-09-14 17:48:29,565 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 23 [2018-09-14 17:48:41,360 WARN L178 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2018-09-14 17:48:44,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:48:44,250 INFO L93 Difference]: Finished difference Result 23330 states and 40116 transitions. [2018-09-14 17:48:44,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2018-09-14 17:48:44,251 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 233 [2018-09-14 17:48:44,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:48:44,446 INFO L225 Difference]: With dead ends: 23330 [2018-09-14 17:48:44,446 INFO L226 Difference]: Without dead ends: 19742 [2018-09-14 17:48:44,569 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1062 GetRequests, 915 SyntacticMatches, 6 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8144 ImplicationChecksByTransitivity, 10.8s TimeCoverageRelationStatistics Valid=3521, Invalid=16785, Unknown=0, NotChecked=0, Total=20306 [2018-09-14 17:48:44,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19742 states. [2018-09-14 17:48:45,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19742 to 18335. [2018-09-14 17:48:45,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18335 states. [2018-09-14 17:48:45,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18335 states to 18335 states and 26503 transitions. [2018-09-14 17:48:45,356 INFO L78 Accepts]: Start accepts. Automaton has 18335 states and 26503 transitions. Word has length 233 [2018-09-14 17:48:45,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:48:45,357 INFO L480 AbstractCegarLoop]: Abstraction has 18335 states and 26503 transitions. [2018-09-14 17:48:45,357 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-09-14 17:48:45,357 INFO L276 IsEmpty]: Start isEmpty. Operand 18335 states and 26503 transitions. [2018-09-14 17:48:45,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2018-09-14 17:48:45,412 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:48:45,413 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:48:45,413 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:48:45,414 INFO L82 PathProgramCache]: Analyzing trace with hash 297679294, now seen corresponding path program 1 times [2018-09-14 17:48:45,414 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:48:45,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:48:45,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:48:45,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:48:45,415 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:48:45,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:48:46,397 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 352 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-09-14 17:48:46,397 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:48:46,398 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 17:48:46,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:48:46,405 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:48:46,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:48:46,568 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:48:46,922 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 352 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-09-14 17:48:46,923 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:48:47,240 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 352 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-09-14 17:48:47,261 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:48:47,261 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-14 17:48:47,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:48:47,278 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:48:47,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:48:47,619 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:48:47,969 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 352 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-09-14 17:48:47,969 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:48:48,334 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 352 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-09-14 17:48:48,336 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-14 17:48:48,337 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 12 [2018-09-14 17:48:48,337 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-14 17:48:48,339 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-14 17:48:48,339 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-14 17:48:48,339 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-09-14 17:48:48,339 INFO L87 Difference]: Start difference. First operand 18335 states and 26503 transitions. Second operand 9 states. [2018-09-14 17:48:59,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:48:59,494 INFO L93 Difference]: Finished difference Result 42184 states and 73475 transitions. [2018-09-14 17:48:59,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-09-14 17:48:59,495 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 549 [2018-09-14 17:48:59,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:48:59,785 INFO L225 Difference]: With dead ends: 42184 [2018-09-14 17:48:59,786 INFO L226 Difference]: Without dead ends: 23106 [2018-09-14 17:49:00,092 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2230 GetRequests, 2200 SyntacticMatches, 5 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=218, Invalid=484, Unknown=0, NotChecked=0, Total=702 [2018-09-14 17:49:00,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23106 states. [2018-09-14 17:49:01,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23106 to 21797. [2018-09-14 17:49:01,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21797 states. [2018-09-14 17:49:01,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21797 states to 21797 states and 32521 transitions. [2018-09-14 17:49:01,428 INFO L78 Accepts]: Start accepts. Automaton has 21797 states and 32521 transitions. Word has length 549 [2018-09-14 17:49:01,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:49:01,429 INFO L480 AbstractCegarLoop]: Abstraction has 21797 states and 32521 transitions. [2018-09-14 17:49:01,429 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-14 17:49:01,429 INFO L276 IsEmpty]: Start isEmpty. Operand 21797 states and 32521 transitions. [2018-09-14 17:49:01,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 569 [2018-09-14 17:49:01,495 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:49:01,495 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:49:01,496 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:49:01,496 INFO L82 PathProgramCache]: Analyzing trace with hash -892795266, now seen corresponding path program 1 times [2018-09-14 17:49:01,496 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:49:01,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:49:01,497 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:49:01,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:49:01,497 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:49:01,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:49:02,459 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 383 proven. 2 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-09-14 17:49:02,460 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:49:02,460 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 17:49:02,718 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:49:02,718 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:49:02,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:49:02,875 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:49:03,217 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 383 proven. 2 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-09-14 17:49:03,217 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:49:03,470 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 383 proven. 2 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-09-14 17:49:03,491 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:49:03,491 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-14 17:49:03,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:49:03,507 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:49:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:49:03,851 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:49:04,251 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 383 proven. 2 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-09-14 17:49:04,251 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:49:05,272 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 383 proven. 2 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-09-14 17:49:05,274 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-14 17:49:05,275 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 11 [2018-09-14 17:49:05,275 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-14 17:49:05,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-14 17:49:05,276 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-14 17:49:05,276 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-09-14 17:49:05,277 INFO L87 Difference]: Start difference. First operand 21797 states and 32521 transitions. Second operand 9 states. [2018-09-14 17:49:17,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:49:17,467 INFO L93 Difference]: Finished difference Result 43234 states and 65922 transitions. [2018-09-14 17:49:17,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-09-14 17:49:17,468 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 568 [2018-09-14 17:49:17,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:49:17,601 INFO L225 Difference]: With dead ends: 43234 [2018-09-14 17:49:17,602 INFO L226 Difference]: Without dead ends: 21815 [2018-09-14 17:49:17,819 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2300 GetRequests, 2273 SyntacticMatches, 6 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=158, Invalid=348, Unknown=0, NotChecked=0, Total=506 [2018-09-14 17:49:17,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21815 states. [2018-09-14 17:49:18,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21815 to 20418. [2018-09-14 17:49:18,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20418 states. [2018-09-14 17:49:18,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20418 states to 20418 states and 25541 transitions. [2018-09-14 17:49:18,533 INFO L78 Accepts]: Start accepts. Automaton has 20418 states and 25541 transitions. Word has length 568 [2018-09-14 17:49:18,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:49:18,534 INFO L480 AbstractCegarLoop]: Abstraction has 20418 states and 25541 transitions. [2018-09-14 17:49:18,534 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-14 17:49:18,535 INFO L276 IsEmpty]: Start isEmpty. Operand 20418 states and 25541 transitions. [2018-09-14 17:49:18,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2018-09-14 17:49:18,597 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:49:18,598 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:49:18,598 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:49:18,598 INFO L82 PathProgramCache]: Analyzing trace with hash 1014330653, now seen corresponding path program 1 times [2018-09-14 17:49:18,599 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:49:18,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:49:18,600 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:49:18,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:49:18,600 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:49:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:49:19,795 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 415 proven. 2 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-09-14 17:49:19,795 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:49:19,796 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 17:49:19,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:49:19,803 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:49:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:49:19,971 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:49:35,474 WARN L178 SmtUtils]: Spent 15.11 s on a formula simplification. DAG size of input: 116 DAG size of output: 50 [2018-09-14 17:49:35,861 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 410 proven. 116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:49:35,862 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:49:36,358 WARN L178 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2018-09-14 17:49:36,496 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2018-09-14 17:49:36,924 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 410 proven. 116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:49:36,944 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:49:36,945 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-14 17:49:36,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:49:36,961 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:49:37,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:49:37,334 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:50:01,688 WARN L178 SmtUtils]: Spent 24.14 s on a formula simplification that was a NOOP. DAG size: 59 [2018-09-14 17:50:07,847 WARN L178 SmtUtils]: Spent 6.06 s on a formula simplification. DAG size of input: 60 DAG size of output: 31 [2018-09-14 17:50:08,495 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 365 proven. 111 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-09-14 17:50:08,495 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:50:17,135 WARN L178 SmtUtils]: Spent 8.21 s on a formula simplification. DAG size of input: 61 DAG size of output: 30 [2018-09-14 17:50:19,541 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:21,674 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 18 [2018-09-14 17:50:26,720 WARN L178 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2018-09-14 17:50:26,726 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,733 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,740 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,746 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,753 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,759 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,766 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,772 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,778 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,784 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,789 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,795 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,801 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,807 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,812 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,818 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,824 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,830 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,835 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,840 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,846 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,852 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,857 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,863 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,868 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,874 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,879 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,884 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,890 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,896 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,902 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,908 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,914 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,920 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,926 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,931 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,937 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,943 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,949 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,954 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,960 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,966 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,972 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,978 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,984 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,990 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:26,995 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,001 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,006 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,011 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,017 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,022 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,028 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,033 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,039 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,045 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,053 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,058 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,064 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,069 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,075 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,081 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,087 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,093 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,098 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,103 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,109 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,114 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,120 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,125 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,131 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,136 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,141 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,147 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,152 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,157 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,163 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,170 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,176 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,181 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,186 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,192 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,198 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,203 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,208 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,213 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,220 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,225 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,230 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,236 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,241 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,246 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,254 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,260 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,265 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,270 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,275 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,280 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,286 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,291 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,296 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,301 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,307 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,312 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,317 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,322 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,328 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,333 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,339 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,344 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,349 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,354 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,359 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,364 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,370 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,375 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,380 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,385 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,390 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,396 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,401 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,406 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,411 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,417 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,422 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,427 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,432 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,437 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,442 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,447 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,452 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,457 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,462 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,467 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,471 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,476 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,481 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,486 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,491 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,496 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,501 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,506 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,511 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,516 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,521 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,527 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,532 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,537 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,543 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,549 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,554 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,559 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,564 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,570 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,575 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,580 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,585 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,591 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,597 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,602 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,608 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,613 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,619 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,624 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,629 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,635 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,640 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,646 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,651 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,657 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,662 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,668 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,673 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,678 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,684 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,689 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,694 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,700 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,705 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,710 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,715 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,721 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,726 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,732 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,737 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,742 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,747 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,753 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,758 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,763 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,769 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,774 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,779 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,784 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,789 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,794 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,800 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,806 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,811 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,816 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,821 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,826 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,833 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,839 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,845 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,850 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,855 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,860 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,866 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,871 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,876 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,881 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,886 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,891 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,896 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,902 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,907 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,913 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,919 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,925 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,930 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,935 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,940 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,946 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,952 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,957 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,963 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,969 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,976 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,981 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,986 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,991 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:27,997 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:28,003 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:28,009 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:28,015 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:28,020 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:28,026 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:28,033 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:28,039 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:28,044 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:28,049 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:28,054 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:28,060 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:28,066 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:28,072 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:28,078 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:28,084 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:28,089 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:28,094 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:28,099 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:28,104 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:28,110 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:28,116 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:28,123 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:28,130 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:28,135 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:28,140 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:28,145 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:28,150 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:28,155 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:28,160 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:28,165 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:28,170 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:28,175 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:28,180 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:28,187 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:50:32,769 WARN L178 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2018-09-14 17:50:41,307 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 153 proven. 368 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 17:50:41,309 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-14 17:50:41,310 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 8, 9, 10] total 29 [2018-09-14 17:50:41,310 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-14 17:50:41,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-14 17:50:41,311 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-14 17:50:41,311 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=708, Unknown=6, NotChecked=0, Total=812 [2018-09-14 17:50:41,312 INFO L87 Difference]: Start difference. First operand 20418 states and 25541 transitions. Second operand 12 states. Received shutdown request... [2018-09-14 17:51:13,865 WARN L186 SmtUtils]: Removed 6 from assertion stack [2018-09-14 17:51:13,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-09-14 17:51:13,866 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-14 17:51:13,870 WARN L206 ceAbstractionStarter]: Timeout [2018-09-14 17:51:13,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.09 05:51:13 BoogieIcfgContainer [2018-09-14 17:51:13,870 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-14 17:51:13,871 INFO L168 Benchmark]: Toolchain (without parser) took 250449.13 ms. Allocated memory was 1.5 GB in the beginning and 3.9 GB in the end (delta: 2.4 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -421.7 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-09-14 17:51:13,872 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-09-14 17:51:13,872 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1217.27 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 126.8 MB). Peak memory consumption was 126.8 MB. Max. memory is 7.1 GB. [2018-09-14 17:51:13,873 INFO L168 Benchmark]: Boogie Procedure Inliner took 246.27 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 42.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 7.1 GB. [2018-09-14 17:51:13,874 INFO L168 Benchmark]: Boogie Preprocessor took 681.45 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 867.2 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. [2018-09-14 17:51:13,875 INFO L168 Benchmark]: RCFGBuilder took 6750.65 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 294.4 MB). Peak memory consumption was 294.4 MB. Max. memory is 7.1 GB. [2018-09-14 17:51:13,876 INFO L168 Benchmark]: TraceAbstraction took 241547.48 ms. Allocated memory was 2.4 GB in the beginning and 3.9 GB in the end (delta: 1.5 GB). Free memory was 2.0 GB in the beginning and 1.8 GB in the end (delta: 164.9 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-09-14 17:51:13,882 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1217.27 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 126.8 MB). Peak memory consumption was 126.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 246.27 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 42.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 681.45 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 867.2 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6750.65 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 294.4 MB). Peak memory consumption was 294.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 241547.48 ms. Allocated memory was 2.4 GB in the beginning and 3.9 GB in the end (delta: 1.5 GB). Free memory was 2.0 GB in the beginning and 1.8 GB in the end (delta: 164.9 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 154]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 154). Cancelled while BasicCegarLoop was constructing difference of abstraction (20418states) and FLOYD_HOARE automaton (currently 22 states, 12 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 54. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 241.4s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 140.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1271 SDtfs, 33499 SDslu, 2963 SDs, 0 SdLazy, 40530 SolverSat, 15979 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 94.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8321 GetRequests, 8042 SyntacticMatches, 25 SemanticMatches, 253 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8857 ImplicationChecksByTransitivity, 102.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21797occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 4244 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 93.1s InterpolantComputationTime, 6347 NumberOfCodeBlocks, 6347 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 10355 ConstructedInterpolants, 292 QuantifiedInterpolants, 45061514 SizeOfPredicates, 23 NumberOfNonLiveVariables, 5877 ConjunctsInSsa, 113 ConjunctsInUnsatCore, 25 InterpolantComputations, 4 PerfectInterpolantSequences, 7241/8351 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem15_label32_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-14_17-51-13-898.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem15_label32_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-14_17-51-13-898.csv Completed graceful shutdown