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/Problem10_label25_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-18 11:17:58,427 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-18 11:17:58,429 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-18 11:17:58,440 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-18 11:17:58,441 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-18 11:17:58,442 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-18 11:17:58,443 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-18 11:17:58,445 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-18 11:17:58,447 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-18 11:17:58,448 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-18 11:17:58,449 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-18 11:17:58,449 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-18 11:17:58,450 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-18 11:17:58,451 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-18 11:17:58,452 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-18 11:17:58,453 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-18 11:17:58,454 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-18 11:17:58,456 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-18 11:17:58,458 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-18 11:17:58,460 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-18 11:17:58,461 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-18 11:17:58,462 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-18 11:17:58,465 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-18 11:17:58,465 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-18 11:17:58,466 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-18 11:17:58,467 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-18 11:17:58,468 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-18 11:17:58,469 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-18 11:17:58,469 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-18 11:17:58,471 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-18 11:17:58,471 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-18 11:17:58,472 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-18 11:17:58,472 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-18 11:17:58,472 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-18 11:17:58,473 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-18 11:17:58,474 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-18 11:17:58,475 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 [2018-09-18 11:17:58,491 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-18 11:17:58,491 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-18 11:17:58,492 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-18 11:17:58,493 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-18 11:17:58,493 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-18 11:17:58,493 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-18 11:17:58,493 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-18 11:17:58,494 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-18 11:17:58,494 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-18 11:17:58,494 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-18 11:17:58,494 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-18 11:17:58,494 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-18 11:17:58,495 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-18 11:17:58,495 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-18 11:17:58,495 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-18 11:17:58,496 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-18 11:17:58,496 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-18 11:17:58,496 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-18 11:17:58,496 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-18 11:17:58,496 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-18 11:17:58,497 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-18 11:17:58,497 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-18 11:17:58,497 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-18 11:17:58,497 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-18 11:17:58,498 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 11:17:58,498 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-18 11:17:58,498 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-18 11:17:58,498 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-18 11:17:58,498 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-18 11:17:58,499 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-18 11:17:58,499 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-18 11:17:58,499 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-18 11:17:58,499 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-18 11:17:58,500 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-18 11:17:58,543 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-18 11:17:58,562 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-18 11:17:58,568 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-18 11:17:58,569 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-18 11:17:58,570 INFO L276 PluginConnector]: CDTParser initialized [2018-09-18 11:17:58,571 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label25_true-unreach-call.c [2018-09-18 11:17:58,932 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/191512bc0/1d259aa770654d50b5da166cc32f88ae/FLAG12fa5a39c [2018-09-18 11:17:59,226 INFO L277 CDTParser]: Found 1 translation units. [2018-09-18 11:17:59,228 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label25_true-unreach-call.c [2018-09-18 11:17:59,247 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/191512bc0/1d259aa770654d50b5da166cc32f88ae/FLAG12fa5a39c [2018-09-18 11:17:59,271 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/191512bc0/1d259aa770654d50b5da166cc32f88ae [2018-09-18 11:17:59,283 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-18 11:17:59,287 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-18 11:17:59,288 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-18 11:17:59,288 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-18 11:17:59,298 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-18 11:17:59,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:17:59" (1/1) ... [2018-09-18 11:17:59,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6efa186f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:17:59, skipping insertion in model container [2018-09-18 11:17:59,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:17:59" (1/1) ... [2018-09-18 11:17:59,314 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-18 11:17:59,794 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 11:17:59,812 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-18 11:17:59,947 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 11:17:59,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:17:59 WrapperNode [2018-09-18 11:17:59,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-18 11:18:00,000 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-18 11:18:00,001 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-18 11:18:00,001 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-18 11:18:00,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:17:59" (1/1) ... [2018-09-18 11:18:00,037 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:17:59" (1/1) ... [2018-09-18 11:18:00,104 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-18 11:18:00,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-18 11:18:00,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-18 11:18:00,105 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-18 11:18:00,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:17:59" (1/1) ... [2018-09-18 11:18:00,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:17:59" (1/1) ... [2018-09-18 11:18:00,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:17:59" (1/1) ... [2018-09-18 11:18:00,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:17:59" (1/1) ... [2018-09-18 11:18:00,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:17:59" (1/1) ... [2018-09-18 11:18:00,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:17:59" (1/1) ... [2018-09-18 11:18:00,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:17:59" (1/1) ... [2018-09-18 11:18:00,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-18 11:18:00,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-18 11:18:00,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-18 11:18:00,337 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-18 11:18:00,341 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:17:59" (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 [2018-09-18 11:18:00,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-18 11:18:00,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-18 11:18:00,414 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-18 11:18:00,414 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-18 11:18:00,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-18 11:18:00,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-18 11:18:00,415 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-18 11:18:00,415 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-18 11:18:03,488 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-18 11:18:03,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:18:03 BoogieIcfgContainer [2018-09-18 11:18:03,490 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-18 11:18:03,491 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-18 11:18:03,491 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-18 11:18:03,494 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-18 11:18:03,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.09 11:17:59" (1/3) ... [2018-09-18 11:18:03,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4495704b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 11:18:03, skipping insertion in model container [2018-09-18 11:18:03,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:17:59" (2/3) ... [2018-09-18 11:18:03,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4495704b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 11:18:03, skipping insertion in model container [2018-09-18 11:18:03,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:18:03" (3/3) ... [2018-09-18 11:18:03,498 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label25_true-unreach-call.c [2018-09-18 11:18:03,508 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-18 11:18:03,518 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-18 11:18:03,571 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-18 11:18:03,572 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-18 11:18:03,572 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-18 11:18:03,572 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-18 11:18:03,572 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-18 11:18:03,572 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-18 11:18:03,573 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-18 11:18:03,573 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-18 11:18:03,573 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-18 11:18:03,599 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-09-18 11:18:03,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-09-18 11:18:03,610 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:18:03,611 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:18:03,612 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:18:03,617 INFO L82 PathProgramCache]: Analyzing trace with hash 382760497, now seen corresponding path program 1 times [2018-09-18 11:18:03,619 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:18:03,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:03,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:18:03,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:03,668 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:18:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:18:04,140 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 11:18:04,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:18:04,261 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 11:18:04,261 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-18 11:18:04,261 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:18:04,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 11:18:04,287 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 11:18:04,288 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 11:18:04,291 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-09-18 11:18:05,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:18:05,944 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-09-18 11:18:05,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 11:18:05,946 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2018-09-18 11:18:05,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:18:05,965 INFO L225 Difference]: With dead ends: 574 [2018-09-18 11:18:05,965 INFO L226 Difference]: Without dead ends: 356 [2018-09-18 11:18:05,972 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 11:18:05,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-09-18 11:18:06,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-09-18 11:18:06,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-09-18 11:18:06,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 592 transitions. [2018-09-18 11:18:06,043 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 592 transitions. Word has length 71 [2018-09-18 11:18:06,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:18:06,045 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 592 transitions. [2018-09-18 11:18:06,045 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 11:18:06,045 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 592 transitions. [2018-09-18 11:18:06,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-09-18 11:18:06,054 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:18:06,055 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, 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] [2018-09-18 11:18:06,055 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:18:06,055 INFO L82 PathProgramCache]: Analyzing trace with hash -1446129720, now seen corresponding path program 1 times [2018-09-18 11:18:06,055 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:18:06,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:06,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:18:06,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:06,057 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:18:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:18:06,426 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 11:18:06,837 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:18:06,837 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 11:18:06,838 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 11:18:06,838 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:18:06,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 11:18:06,842 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 11:18:06,842 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 11:18:06,843 INFO L87 Difference]: Start difference. First operand 356 states and 592 transitions. Second operand 6 states. [2018-09-18 11:18:09,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:18:09,011 INFO L93 Difference]: Finished difference Result 1002 states and 1689 transitions. [2018-09-18 11:18:09,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 11:18:09,011 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 141 [2018-09-18 11:18:09,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:18:09,019 INFO L225 Difference]: With dead ends: 1002 [2018-09-18 11:18:09,019 INFO L226 Difference]: Without dead ends: 652 [2018-09-18 11:18:09,023 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-18 11:18:09,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2018-09-18 11:18:09,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 640. [2018-09-18 11:18:09,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 640 states. [2018-09-18 11:18:09,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 960 transitions. [2018-09-18 11:18:09,065 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 960 transitions. Word has length 141 [2018-09-18 11:18:09,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:18:09,065 INFO L480 AbstractCegarLoop]: Abstraction has 640 states and 960 transitions. [2018-09-18 11:18:09,066 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 11:18:09,066 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 960 transitions. [2018-09-18 11:18:09,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-09-18 11:18:09,070 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:18:09,071 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, 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] [2018-09-18 11:18:09,071 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:18:09,071 INFO L82 PathProgramCache]: Analyzing trace with hash 1467562684, now seen corresponding path program 1 times [2018-09-18 11:18:09,071 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:18:09,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:09,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:18:09,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:09,073 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:18:09,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:18:09,262 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:18:09,262 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 11:18:09,263 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-18 11:18:09,263 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:18:09,264 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-18 11:18:09,264 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-18 11:18:09,264 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-18 11:18:09,265 INFO L87 Difference]: Start difference. First operand 640 states and 960 transitions. Second operand 4 states. [2018-09-18 11:18:12,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:18:12,376 INFO L93 Difference]: Finished difference Result 2128 states and 3336 transitions. [2018-09-18 11:18:12,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-18 11:18:12,379 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 151 [2018-09-18 11:18:12,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:18:12,390 INFO L225 Difference]: With dead ends: 2128 [2018-09-18 11:18:12,390 INFO L226 Difference]: Without dead ends: 904 [2018-09-18 11:18:12,397 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-18 11:18:12,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2018-09-18 11:18:12,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 904. [2018-09-18 11:18:12,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 904 states. [2018-09-18 11:18:12,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 1277 transitions. [2018-09-18 11:18:12,449 INFO L78 Accepts]: Start accepts. Automaton has 904 states and 1277 transitions. Word has length 151 [2018-09-18 11:18:12,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:18:12,450 INFO L480 AbstractCegarLoop]: Abstraction has 904 states and 1277 transitions. [2018-09-18 11:18:12,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-18 11:18:12,450 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1277 transitions. [2018-09-18 11:18:12,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-09-18 11:18:12,456 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:18:12,457 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, 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] [2018-09-18 11:18:12,457 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:18:12,457 INFO L82 PathProgramCache]: Analyzing trace with hash -774507349, now seen corresponding path program 1 times [2018-09-18 11:18:12,459 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:18:12,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:12,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:18:12,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:12,460 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:18:12,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:18:12,754 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 11:18:13,045 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:18:13,046 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 11:18:13,046 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 11:18:13,046 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:18:13,047 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 11:18:13,047 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 11:18:13,047 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 11:18:13,048 INFO L87 Difference]: Start difference. First operand 904 states and 1277 transitions. Second operand 6 states. [2018-09-18 11:18:14,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:18:14,473 INFO L93 Difference]: Finished difference Result 2127 states and 3078 transitions. [2018-09-18 11:18:14,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 11:18:14,473 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 194 [2018-09-18 11:18:14,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:18:14,482 INFO L225 Difference]: With dead ends: 2127 [2018-09-18 11:18:14,482 INFO L226 Difference]: Without dead ends: 1229 [2018-09-18 11:18:14,486 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-18 11:18:14,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2018-09-18 11:18:14,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 1208. [2018-09-18 11:18:14,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1208 states. [2018-09-18 11:18:14,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1646 transitions. [2018-09-18 11:18:14,524 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1646 transitions. Word has length 194 [2018-09-18 11:18:14,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:18:14,525 INFO L480 AbstractCegarLoop]: Abstraction has 1208 states and 1646 transitions. [2018-09-18 11:18:14,525 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 11:18:14,525 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1646 transitions. [2018-09-18 11:18:14,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-09-18 11:18:14,531 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:18:14,531 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:18:14,532 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:18:14,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1703489504, now seen corresponding path program 1 times [2018-09-18 11:18:14,532 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:18:14,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:14,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:18:14,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:14,533 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:18:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:18:15,128 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 128 proven. 78 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 11:18:15,129 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:18:15,129 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 [2018-09-18 11:18:15,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:18:15,153 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:18:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:18:15,285 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:18:15,645 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-09-18 11:18:15,646 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:18:15,874 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-09-18 11:18:16,008 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-09-18 11:18:16,316 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-09-18 11:18:16,531 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 128 proven. 78 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 11:18:16,552 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-18 11:18:16,552 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 8 [2018-09-18 11:18:16,552 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:18:16,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 11:18:16,553 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 11:18:16,553 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-18 11:18:16,554 INFO L87 Difference]: Start difference. First operand 1208 states and 1646 transitions. Second operand 5 states. [2018-09-18 11:18:19,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:18:19,470 INFO L93 Difference]: Finished difference Result 3193 states and 4401 transitions. [2018-09-18 11:18:19,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 11:18:19,472 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 242 [2018-09-18 11:18:19,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:18:19,483 INFO L225 Difference]: With dead ends: 3193 [2018-09-18 11:18:19,483 INFO L226 Difference]: Without dead ends: 1991 [2018-09-18 11:18:19,489 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 482 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-09-18 11:18:19,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1991 states. [2018-09-18 11:18:19,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1991 to 1946. [2018-09-18 11:18:19,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1946 states. [2018-09-18 11:18:19,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1946 states to 1946 states and 2545 transitions. [2018-09-18 11:18:19,547 INFO L78 Accepts]: Start accepts. Automaton has 1946 states and 2545 transitions. Word has length 242 [2018-09-18 11:18:19,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:18:19,547 INFO L480 AbstractCegarLoop]: Abstraction has 1946 states and 2545 transitions. [2018-09-18 11:18:19,547 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 11:18:19,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1946 states and 2545 transitions. [2018-09-18 11:18:19,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-09-18 11:18:19,561 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:18:19,561 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:18:19,561 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:18:19,562 INFO L82 PathProgramCache]: Analyzing trace with hash -677086258, now seen corresponding path program 1 times [2018-09-18 11:18:19,562 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:18:19,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:19,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:18:19,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:19,563 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:18:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:18:20,464 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-09-18 11:18:20,757 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 266 proven. 82 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-09-18 11:18:20,757 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:18:20,757 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 [2018-09-18 11:18:20,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:18:20,766 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:18:20,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:18:20,861 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:18:21,038 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 350 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-09-18 11:18:21,038 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:18:21,448 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 266 proven. 82 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-09-18 11:18:21,479 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:18:21,479 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 [2018-09-18 11:18:21,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:18:21,508 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:18:21,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:18:21,707 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:18:21,866 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 350 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-09-18 11:18:21,866 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:18:22,281 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 266 proven. 82 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-09-18 11:18:22,285 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 11:18:22,285 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5, 5, 5, 5] total 23 [2018-09-18 11:18:22,286 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 11:18:22,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-09-18 11:18:22,287 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-09-18 11:18:22,287 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=398, Unknown=0, NotChecked=0, Total=506 [2018-09-18 11:18:22,287 INFO L87 Difference]: Start difference. First operand 1946 states and 2545 transitions. Second operand 17 states. [2018-09-18 11:18:23,623 WARN L178 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 15 [2018-09-18 11:18:31,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:18:31,229 INFO L93 Difference]: Finished difference Result 5805 states and 8739 transitions. [2018-09-18 11:18:31,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-09-18 11:18:31,237 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 313 [2018-09-18 11:18:31,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:18:31,279 INFO L225 Difference]: With dead ends: 5805 [2018-09-18 11:18:31,279 INFO L226 Difference]: Without dead ends: 3865 [2018-09-18 11:18:31,309 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1334 GetRequests, 1275 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 847 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=800, Invalid=2622, Unknown=0, NotChecked=0, Total=3422 [2018-09-18 11:18:31,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3865 states. [2018-09-18 11:18:31,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3865 to 3626. [2018-09-18 11:18:31,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3626 states. [2018-09-18 11:18:31,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3626 states to 3626 states and 4508 transitions. [2018-09-18 11:18:31,506 INFO L78 Accepts]: Start accepts. Automaton has 3626 states and 4508 transitions. Word has length 313 [2018-09-18 11:18:31,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:18:31,507 INFO L480 AbstractCegarLoop]: Abstraction has 3626 states and 4508 transitions. [2018-09-18 11:18:31,507 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-09-18 11:18:31,507 INFO L276 IsEmpty]: Start isEmpty. Operand 3626 states and 4508 transitions. [2018-09-18 11:18:31,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-09-18 11:18:31,525 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:18:31,525 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:18:31,525 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:18:31,526 INFO L82 PathProgramCache]: Analyzing trace with hash -161247098, now seen corresponding path program 1 times [2018-09-18 11:18:31,526 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:18:31,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:31,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:18:31,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:31,527 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:18:31,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:18:31,812 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 11:18:32,275 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 192 proven. 140 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-09-18 11:18:32,276 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:18:32,276 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 [2018-09-18 11:18:32,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:18:32,290 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:18:32,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:18:32,387 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:18:32,745 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2018-09-18 11:18:32,746 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:18:33,011 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 192 proven. 140 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-09-18 11:18:33,033 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-18 11:18:33,033 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 11 [2018-09-18 11:18:33,033 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:18:33,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 11:18:33,034 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 11:18:33,034 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-09-18 11:18:33,035 INFO L87 Difference]: Start difference. First operand 3626 states and 4508 transitions. Second operand 5 states. [2018-09-18 11:18:34,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:18:34,708 INFO L93 Difference]: Finished difference Result 7167 states and 8963 transitions. [2018-09-18 11:18:34,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-18 11:18:34,709 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 317 [2018-09-18 11:18:34,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:18:34,725 INFO L225 Difference]: With dead ends: 7167 [2018-09-18 11:18:34,725 INFO L226 Difference]: Without dead ends: 3884 [2018-09-18 11:18:34,738 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 643 GetRequests, 629 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2018-09-18 11:18:34,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3884 states. [2018-09-18 11:18:34,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3884 to 3313. [2018-09-18 11:18:34,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3313 states. [2018-09-18 11:18:34,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3313 states to 3313 states and 3993 transitions. [2018-09-18 11:18:34,824 INFO L78 Accepts]: Start accepts. Automaton has 3313 states and 3993 transitions. Word has length 317 [2018-09-18 11:18:34,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:18:34,824 INFO L480 AbstractCegarLoop]: Abstraction has 3313 states and 3993 transitions. [2018-09-18 11:18:34,825 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 11:18:34,825 INFO L276 IsEmpty]: Start isEmpty. Operand 3313 states and 3993 transitions. [2018-09-18 11:18:34,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-09-18 11:18:34,842 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:18:34,843 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, 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, 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] [2018-09-18 11:18:34,843 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:18:34,843 INFO L82 PathProgramCache]: Analyzing trace with hash 765572205, now seen corresponding path program 1 times [2018-09-18 11:18:34,843 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:18:34,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:34,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:18:34,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:34,845 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:18:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:18:35,731 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 283 proven. 158 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 11:18:35,731 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:18:35,731 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 11:18:35,740 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:18:35,740 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:18:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:18:35,842 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:18:38,670 WARN L178 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 95 DAG size of output: 37 [2018-09-18 11:18:39,241 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 377 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-09-18 11:18:39,242 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:18:40,427 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-18 11:18:40,524 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 26 [2018-09-18 11:18:40,897 WARN L178 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 42 [2018-09-18 11:18:40,901 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:41,079 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:41,168 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:41,222 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:41,289 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:41,351 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:41,442 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:41,504 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:41,558 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:41,606 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:41,658 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:41,769 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:41,820 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:41,871 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:41,932 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:42,056 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:42,103 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:42,192 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:42,242 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:42,289 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:42,521 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:42,589 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:42,643 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:42,693 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:42,747 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:42,795 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:42,846 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:42,898 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:42,963 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:43,087 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:43,138 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:43,194 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:43,525 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:43,852 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:44,177 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:44,500 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:44,764 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:46,837 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:46,977 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:47,070 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:47,120 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:47,171 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:47,232 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:47,288 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:47,345 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:47,678 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:48,001 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:48,322 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:48,646 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:48,815 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:48,867 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:48,921 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:49,011 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:49,068 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:49,126 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:49,178 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:49,232 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:49,297 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:49,355 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:49,460 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:49,512 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:49,569 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:49,625 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:49,682 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:49,786 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:49,841 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:49,898 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:49,969 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:50,306 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:50,660 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:50,984 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:51,301 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:51,617 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:51,934 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:52,221 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:52,277 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:52,332 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:52,411 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:52,461 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:52,516 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:52,568 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:52,620 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:52,674 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:52,806 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:52,858 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:52,989 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:53,054 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:53,105 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:53,186 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:53,246 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:53,299 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:53,544 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:53,593 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:53,920 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:54,249 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:54,454 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:54,519 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:54,598 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:54,648 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:54,698 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:54,764 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:54,821 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:54,876 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:54,932 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:54,983 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:55,039 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:55,090 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:55,142 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:55,299 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-09-18 11:18:56,586 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 202 proven. 239 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 11:18:56,608 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:18:56,608 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 7 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 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 11:18:56,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:18:56,624 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:18:56,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:18:56,842 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:18:57,300 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-09-18 11:18:57,749 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-09-18 11:19:02,351 WARN L178 SmtUtils]: Spent 4.19 s on a formula simplification. DAG size of input: 100 DAG size of output: 40 [2018-09-18 11:19:02,974 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-09-18 11:19:03,861 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 377 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-09-18 11:19:03,861 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:19:07,100 WARN L178 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 244 DAG size of output: 47 [2018-09-18 11:19:07,108 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-18 11:19:07,120 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-18 11:19:07,135 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-18 11:19:07,151 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 Received shutdown request... [2018-09-18 11:21:45,804 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-09-18 11:21:46,006 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 11:21:46,006 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-18 11:21:46,011 WARN L206 ceAbstractionStarter]: Timeout [2018-09-18 11:21:46,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.09 11:21:46 BoogieIcfgContainer [2018-09-18 11:21:46,012 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-18 11:21:46,013 INFO L168 Benchmark]: Toolchain (without parser) took 226729.39 ms. Allocated memory was 1.5 GB in the beginning and 7.1 GB in the end (delta: 5.6 GB). Free memory was 1.4 GB in the beginning and 3.4 GB in the end (delta: -2.0 GB). Peak memory consumption was 5.7 GB. Max. memory is 7.1 GB. [2018-09-18 11:21:46,014 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-18 11:21:46,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.94 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-09-18 11:21:46,015 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.05 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-18 11:21:46,016 INFO L168 Benchmark]: Boogie Preprocessor took 231.90 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 783.8 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -869.6 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. [2018-09-18 11:21:46,017 INFO L168 Benchmark]: RCFGBuilder took 3152.80 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 122.6 MB). Peak memory consumption was 122.6 MB. Max. memory is 7.1 GB. [2018-09-18 11:21:46,018 INFO L168 Benchmark]: TraceAbstraction took 222521.12 ms. Allocated memory was 2.3 GB in the beginning and 7.1 GB in the end (delta: 4.8 GB). Free memory was 2.1 GB in the beginning and 3.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 5.6 GB. Max. memory is 7.1 GB. [2018-09-18 11:21:46,029 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 711.94 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 104.05 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 231.90 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 783.8 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -869.6 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3152.80 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 122.6 MB). Peak memory consumption was 122.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 222521.12 ms. Allocated memory was 2.3 GB in the beginning and 7.1 GB in the end (delta: 4.8 GB). Free memory was 2.1 GB in the beginning and 3.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 5.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 196]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 196). Cancelled while BasicCegarLoop was analyzing trace of length 359 with TraceHistMax 4, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while DnfTransformerHelper was transforming 9 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. TIMEOUT Result, 222.4s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 22.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 563 SDtfs, 5005 SDslu, 819 SDs, 0 SdLazy, 8815 SolverSat, 1834 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2499 GetRequests, 2395 SyntacticMatches, 10 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 887 ImplicationChecksByTransitivity, 6.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3626occurred in iteration=6, 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: 0.5s AutomataMinimizationTime, 7 MinimizatonAttempts, 888 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 2614 NumberOfCodeBlocks, 2614 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 3784 ConstructedInterpolants, 0 QuantifiedInterpolants, 3814162 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1992 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 3499/4185 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/Problem10_label25_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-18_11-21-46-045.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label25_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-18_11-21-46-045.csv Completed graceful shutdown