java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label17_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-25 01:27:24,447 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-25 01:27:24,450 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-25 01:27:24,465 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-25 01:27:24,465 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-25 01:27:24,466 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-25 01:27:24,468 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-25 01:27:24,471 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-25 01:27:24,473 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-25 01:27:24,474 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-25 01:27:24,481 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-25 01:27:24,482 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-25 01:27:24,484 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-25 01:27:24,485 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-25 01:27:24,488 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-25 01:27:24,489 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-25 01:27:24,490 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-25 01:27:24,492 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-25 01:27:24,497 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-25 01:27:24,499 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-25 01:27:24,503 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-25 01:27:24,504 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-25 01:27:24,506 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-25 01:27:24,507 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-25 01:27:24,507 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-25 01:27:24,508 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-25 01:27:24,509 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-25 01:27:24,510 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-25 01:27:24,511 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-25 01:27:24,512 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-25 01:27:24,512 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-25 01:27:24,516 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-25 01:27:24,516 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-25 01:27:24,516 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-25 01:27:24,517 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-25 01:27:24,519 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-25 01:27:24,520 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-25 01:27:24,550 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-25 01:27:24,551 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-25 01:27:24,552 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-25 01:27:24,552 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-25 01:27:24,552 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-25 01:27:24,552 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-25 01:27:24,552 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-25 01:27:24,552 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-25 01:27:24,553 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-25 01:27:24,553 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-25 01:27:24,553 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-25 01:27:24,553 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-25 01:27:24,553 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-25 01:27:24,554 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-25 01:27:24,554 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-25 01:27:24,554 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-25 01:27:24,555 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-25 01:27:24,555 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-25 01:27:24,555 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-25 01:27:24,555 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-25 01:27:24,555 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-25 01:27:24,555 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-25 01:27:24,556 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-25 01:27:24,556 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-25 01:27:24,556 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-25 01:27:24,556 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-25 01:27:24,556 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-25 01:27:24,557 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-25 01:27:24,557 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-25 01:27:24,557 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-25 01:27:24,557 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-25 01:27:24,557 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-25 01:27:24,558 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-25 01:27:24,558 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-25 01:27:24,558 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-25 01:27:24,558 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-25 01:27:24,603 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-25 01:27:24,616 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-25 01:27:24,622 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-25 01:27:24,624 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-25 01:27:24,624 INFO L276 PluginConnector]: CDTParser initialized [2018-10-25 01:27:24,625 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label17_true-unreach-call.c [2018-10-25 01:27:24,690 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f3db67471/771b606d13ee4adbba5186fc76bd60b3/FLAG871d2d5bc [2018-10-25 01:27:25,306 INFO L298 CDTParser]: Found 1 translation units. [2018-10-25 01:27:25,309 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label17_true-unreach-call.c [2018-10-25 01:27:25,327 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f3db67471/771b606d13ee4adbba5186fc76bd60b3/FLAG871d2d5bc [2018-10-25 01:27:25,347 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f3db67471/771b606d13ee4adbba5186fc76bd60b3 [2018-10-25 01:27:25,361 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-25 01:27:25,362 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-25 01:27:25,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-25 01:27:25,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-25 01:27:25,371 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-25 01:27:25,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 01:27:25" (1/1) ... [2018-10-25 01:27:25,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f90b7d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:27:25, skipping insertion in model container [2018-10-25 01:27:25,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 01:27:25" (1/1) ... [2018-10-25 01:27:25,387 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-25 01:27:25,467 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-25 01:27:26,023 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 01:27:26,030 INFO L189 MainTranslator]: Completed pre-run [2018-10-25 01:27:26,249 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 01:27:26,270 INFO L193 MainTranslator]: Completed translation [2018-10-25 01:27:26,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:27:26 WrapperNode [2018-10-25 01:27:26,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-25 01:27:26,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-25 01:27:26,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-25 01:27:26,272 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-25 01:27:26,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:27:26" (1/1) ... [2018-10-25 01:27:26,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:27:26" (1/1) ... [2018-10-25 01:27:26,570 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-25 01:27:26,571 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-25 01:27:26,571 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-25 01:27:26,571 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-25 01:27:26,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:27:26" (1/1) ... [2018-10-25 01:27:26,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:27:26" (1/1) ... [2018-10-25 01:27:26,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:27:26" (1/1) ... [2018-10-25 01:27:26,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:27:26" (1/1) ... [2018-10-25 01:27:26,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:27:26" (1/1) ... [2018-10-25 01:27:26,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:27:26" (1/1) ... [2018-10-25 01:27:26,698 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:27:26" (1/1) ... [2018-10-25 01:27:26,723 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-25 01:27:26,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-25 01:27:26,725 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-25 01:27:26,726 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-25 01:27:26,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:27:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-25 01:27:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-25 01:27:26,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-25 01:27:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-25 01:27:26,805 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-25 01:27:26,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-25 01:27:26,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-25 01:27:26,808 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-25 01:27:26,808 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-25 01:27:32,381 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-25 01:27:32,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 01:27:32 BoogieIcfgContainer [2018-10-25 01:27:32,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-25 01:27:32,388 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-25 01:27:32,388 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-25 01:27:32,398 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-25 01:27:32,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 01:27:25" (1/3) ... [2018-10-25 01:27:32,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71391ca8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 01:27:32, skipping insertion in model container [2018-10-25 01:27:32,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:27:26" (2/3) ... [2018-10-25 01:27:32,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71391ca8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 01:27:32, skipping insertion in model container [2018-10-25 01:27:32,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 01:27:32" (3/3) ... [2018-10-25 01:27:32,404 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label17_true-unreach-call.c [2018-10-25 01:27:32,418 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-25 01:27:32,431 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-25 01:27:32,446 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-25 01:27:32,482 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-25 01:27:32,483 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-25 01:27:32,483 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-25 01:27:32,483 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-25 01:27:32,483 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-25 01:27:32,483 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-25 01:27:32,484 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-25 01:27:32,484 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-25 01:27:32,521 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-10-25 01:27:32,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-25 01:27:32,531 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 01:27:32,532 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 01:27:32,535 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 01:27:32,540 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:27:32,540 INFO L82 PathProgramCache]: Analyzing trace with hash 1654755049, now seen corresponding path program 1 times [2018-10-25 01:27:32,542 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 01:27:32,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:27:32,594 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:27:32,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:27:32,595 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 01:27:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:27:33,072 WARN L179 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 01:27:33,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 01:27:33,192 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 01:27:33,192 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-25 01:27:33,193 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 01:27:33,198 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-25 01:27:33,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-25 01:27:33,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 01:27:33,223 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 3 states. [2018-10-25 01:27:35,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 01:27:35,608 INFO L93 Difference]: Finished difference Result 790 states and 1382 transitions. [2018-10-25 01:27:35,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-25 01:27:35,610 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2018-10-25 01:27:35,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 01:27:35,630 INFO L225 Difference]: With dead ends: 790 [2018-10-25 01:27:35,631 INFO L226 Difference]: Without dead ends: 495 [2018-10-25 01:27:35,638 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 01:27:35,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2018-10-25 01:27:35,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 488. [2018-10-25 01:27:35,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 488 states. [2018-10-25 01:27:35,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 849 transitions. [2018-10-25 01:27:35,745 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 849 transitions. Word has length 45 [2018-10-25 01:27:35,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 01:27:35,746 INFO L481 AbstractCegarLoop]: Abstraction has 488 states and 849 transitions. [2018-10-25 01:27:35,746 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-25 01:27:35,746 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 849 transitions. [2018-10-25 01:27:35,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-25 01:27:35,760 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 01:27:35,761 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 01:27:35,761 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 01:27:35,762 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:27:35,762 INFO L82 PathProgramCache]: Analyzing trace with hash -5486104, now seen corresponding path program 1 times [2018-10-25 01:27:35,763 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 01:27:35,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:27:35,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:27:35,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:27:35,765 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 01:27:35,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:27:36,171 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 01:27:36,172 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 01:27:36,172 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-25 01:27:36,172 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 01:27:36,174 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-25 01:27:36,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-25 01:27:36,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-25 01:27:36,176 INFO L87 Difference]: Start difference. First operand 488 states and 849 transitions. Second operand 5 states. [2018-10-25 01:27:42,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 01:27:42,894 INFO L93 Difference]: Finished difference Result 1731 states and 3162 transitions. [2018-10-25 01:27:42,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-25 01:27:42,901 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 121 [2018-10-25 01:27:42,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 01:27:42,916 INFO L225 Difference]: With dead ends: 1731 [2018-10-25 01:27:42,916 INFO L226 Difference]: Without dead ends: 1249 [2018-10-25 01:27:42,922 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-25 01:27:42,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2018-10-25 01:27:43,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1032. [2018-10-25 01:27:43,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1032 states. [2018-10-25 01:27:43,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1658 transitions. [2018-10-25 01:27:43,017 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1658 transitions. Word has length 121 [2018-10-25 01:27:43,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 01:27:43,017 INFO L481 AbstractCegarLoop]: Abstraction has 1032 states and 1658 transitions. [2018-10-25 01:27:43,017 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-25 01:27:43,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1658 transitions. [2018-10-25 01:27:43,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-25 01:27:43,030 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 01:27:43,030 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 01:27:43,030 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 01:27:43,032 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:27:43,033 INFO L82 PathProgramCache]: Analyzing trace with hash -423386729, now seen corresponding path program 1 times [2018-10-25 01:27:43,033 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 01:27:43,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:27:43,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:27:43,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:27:43,035 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 01:27:43,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:27:43,233 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 01:27:43,233 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 01:27:43,233 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-25 01:27:43,234 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 01:27:43,234 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-25 01:27:43,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-25 01:27:43,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-25 01:27:43,235 INFO L87 Difference]: Start difference. First operand 1032 states and 1658 transitions. Second operand 5 states. [2018-10-25 01:27:47,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 01:27:47,941 INFO L93 Difference]: Finished difference Result 3666 states and 6091 transitions. [2018-10-25 01:27:47,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-25 01:27:47,950 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2018-10-25 01:27:47,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 01:27:47,968 INFO L225 Difference]: With dead ends: 3666 [2018-10-25 01:27:47,969 INFO L226 Difference]: Without dead ends: 2640 [2018-10-25 01:27:47,976 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-25 01:27:47,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2640 states. [2018-10-25 01:27:48,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2640 to 2605. [2018-10-25 01:27:48,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2605 states. [2018-10-25 01:27:48,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2605 states to 2605 states and 3731 transitions. [2018-10-25 01:27:48,068 INFO L78 Accepts]: Start accepts. Automaton has 2605 states and 3731 transitions. Word has length 132 [2018-10-25 01:27:48,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 01:27:48,068 INFO L481 AbstractCegarLoop]: Abstraction has 2605 states and 3731 transitions. [2018-10-25 01:27:48,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-25 01:27:48,069 INFO L276 IsEmpty]: Start isEmpty. Operand 2605 states and 3731 transitions. [2018-10-25 01:27:48,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-10-25 01:27:48,075 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 01:27:48,075 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 01:27:48,075 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 01:27:48,076 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:27:48,077 INFO L82 PathProgramCache]: Analyzing trace with hash -1552929811, now seen corresponding path program 1 times [2018-10-25 01:27:48,077 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 01:27:48,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:27:48,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:27:48,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:27:48,078 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 01:27:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:27:48,415 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 32 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 01:27:48,416 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 01:27:48,416 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 01:27:48,417 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 178 with the following transitions: [2018-10-25 01:27:48,419 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [261], [263], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-10-25 01:27:48,475 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 01:27:48,475 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 01:27:50,344 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 01:27:50,346 INFO L272 AbstractInterpreter]: Visited 140 different actions 406 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-10-25 01:27:50,385 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:27:50,387 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 01:27:50,387 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 01:27:50,387 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 01:27:50,401 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:27:50,401 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 01:27:50,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:27:50,509 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 01:27:50,712 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 01:27:50,712 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 01:27:51,233 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 01:27:51,268 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-10-25 01:27:51,269 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-10-25 01:27:51,269 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 01:27:51,270 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-25 01:27:51,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-25 01:27:51,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-10-25 01:27:51,270 INFO L87 Difference]: Start difference. First operand 2605 states and 3731 transitions. Second operand 3 states. [2018-10-25 01:27:54,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 01:27:54,143 INFO L93 Difference]: Finished difference Result 6000 states and 8839 transitions. [2018-10-25 01:27:54,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-25 01:27:54,146 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 177 [2018-10-25 01:27:54,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 01:27:54,165 INFO L225 Difference]: With dead ends: 6000 [2018-10-25 01:27:54,166 INFO L226 Difference]: Without dead ends: 3401 [2018-10-25 01:27:54,177 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 354 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-10-25 01:27:54,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3401 states. [2018-10-25 01:27:54,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3401 to 3205. [2018-10-25 01:27:54,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3205 states. [2018-10-25 01:27:54,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 3205 states and 4562 transitions. [2018-10-25 01:27:54,259 INFO L78 Accepts]: Start accepts. Automaton has 3205 states and 4562 transitions. Word has length 177 [2018-10-25 01:27:54,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 01:27:54,260 INFO L481 AbstractCegarLoop]: Abstraction has 3205 states and 4562 transitions. [2018-10-25 01:27:54,260 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-25 01:27:54,260 INFO L276 IsEmpty]: Start isEmpty. Operand 3205 states and 4562 transitions. [2018-10-25 01:27:54,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-10-25 01:27:54,266 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 01:27:54,266 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 01:27:54,266 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 01:27:54,268 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:27:54,268 INFO L82 PathProgramCache]: Analyzing trace with hash -998791126, now seen corresponding path program 1 times [2018-10-25 01:27:54,269 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 01:27:54,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:27:54,270 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:27:54,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:27:54,270 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 01:27:54,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:27:54,537 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 01:27:54,618 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 76 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-25 01:27:54,619 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 01:27:54,619 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 01:27:54,619 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 203 with the following transitions: [2018-10-25 01:27:54,620 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [261], [263], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [550], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-10-25 01:27:54,628 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 01:27:54,628 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 01:27:54,972 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 01:27:54,972 INFO L272 AbstractInterpreter]: Visited 89 different actions 89 times. Never merged. Never widened. Never found a fixpoint. Largest state had 28 variables. [2018-10-25 01:27:55,001 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:27:55,001 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 01:27:55,620 INFO L232 lantSequenceWeakener]: Weakened 193 states. On average, predicates are now at 73.51% of their original sizes. [2018-10-25 01:27:55,620 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 01:27:55,863 INFO L413 sIntCurrentIteration]: We have 201 unified AI predicates [2018-10-25 01:27:55,863 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 01:27:55,864 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 01:27:55,865 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-10-25 01:27:55,865 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 01:27:55,866 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 01:27:55,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 01:27:55,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 01:27:55,866 INFO L87 Difference]: Start difference. First operand 3205 states and 4562 transitions. Second operand 6 states. [2018-10-25 01:28:57,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 01:28:57,840 INFO L93 Difference]: Finished difference Result 6596 states and 9338 transitions. [2018-10-25 01:28:57,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-25 01:28:57,840 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 202 [2018-10-25 01:28:57,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 01:28:57,860 INFO L225 Difference]: With dead ends: 6596 [2018-10-25 01:28:57,860 INFO L226 Difference]: Without dead ends: 3397 [2018-10-25 01:28:57,867 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 202 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-25 01:28:57,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2018-10-25 01:28:57,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 3395. [2018-10-25 01:28:57,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3395 states. [2018-10-25 01:28:57,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3395 states to 3395 states and 4761 transitions. [2018-10-25 01:28:57,952 INFO L78 Accepts]: Start accepts. Automaton has 3395 states and 4761 transitions. Word has length 202 [2018-10-25 01:28:57,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 01:28:57,953 INFO L481 AbstractCegarLoop]: Abstraction has 3395 states and 4761 transitions. [2018-10-25 01:28:57,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 01:28:57,953 INFO L276 IsEmpty]: Start isEmpty. Operand 3395 states and 4761 transitions. [2018-10-25 01:28:57,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-10-25 01:28:57,962 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 01:28:57,963 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-25 01:28:57,963 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 01:28:57,963 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:28:57,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1427542290, now seen corresponding path program 1 times [2018-10-25 01:28:57,964 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 01:28:57,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:28:57,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:28:57,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:28:57,969 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 01:28:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:28:58,323 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 190 proven. 72 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-10-25 01:28:58,324 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 01:28:58,324 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 01:28:58,324 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 320 with the following transitions: [2018-10-25 01:28:58,325 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [261], [263], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [550], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-10-25 01:28:58,329 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 01:28:58,330 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 01:28:58,731 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 01:28:58,731 INFO L272 AbstractInterpreter]: Visited 126 different actions 246 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-10-25 01:28:58,739 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:28:58,739 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 01:28:59,729 INFO L232 lantSequenceWeakener]: Weakened 180 states. On average, predicates are now at 73.81% of their original sizes. [2018-10-25 01:28:59,730 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 01:29:00,055 INFO L413 sIntCurrentIteration]: We have 318 unified AI predicates [2018-10-25 01:29:00,056 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 01:29:00,056 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 01:29:00,056 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [6] total 19 [2018-10-25 01:29:00,056 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 01:29:00,057 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-25 01:29:00,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-25 01:29:00,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2018-10-25 01:29:00,058 INFO L87 Difference]: Start difference. First operand 3395 states and 4761 transitions. Second operand 15 states. Received shutdown request... [2018-10-25 01:31:37,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-10-25 01:31:37,672 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-25 01:31:37,677 WARN L205 ceAbstractionStarter]: Timeout [2018-10-25 01:31:37,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 01:31:37 BoogieIcfgContainer [2018-10-25 01:31:37,677 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-25 01:31:37,678 INFO L168 Benchmark]: Toolchain (without parser) took 252316.97 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -811.9 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-10-25 01:31:37,679 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. [2018-10-25 01:31:37,680 INFO L168 Benchmark]: CACSL2BoogieTranslator took 906.02 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: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2018-10-25 01:31:37,681 INFO L168 Benchmark]: Boogie Procedure Inliner took 298.41 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 748.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -839.6 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2018-10-25 01:31:37,682 INFO L168 Benchmark]: Boogie Preprocessor took 154.16 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2018-10-25 01:31:37,682 INFO L168 Benchmark]: RCFGBuilder took 5656.47 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 176.0 MB). Peak memory consumption was 176.0 MB. Max. memory is 7.1 GB. [2018-10-25 01:31:37,683 INFO L168 Benchmark]: TraceAbstraction took 245289.34 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 2.2 GB in the end (delta: -225.5 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-10-25 01:31:37,688 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 906.02 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: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 298.41 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 748.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -839.6 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 154.16 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5656.47 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 176.0 MB). Peak memory consumption was 176.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 245289.34 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 2.2 GB in the end (delta: -225.5 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: 120]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 120). Cancelled while BasicCegarLoop was constructing difference of abstraction (3395states) and FLOYD_HOARE automaton (currently 20 states, 15 states before enhancement),while ReachableStatesComputation was computing reachable states (3251 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 245.2s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 236.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1440 SDtfs, 4217 SDslu, 947 SDs, 0 SdLazy, 8227 SolverSat, 1117 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 214.1s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 913 GetRequests, 864 SyntacticMatches, 4 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3395occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.7s AbstIntTime, 3 AbstIntIterations, 2 AbstIntStrong, 0.9974265105478975 AbsIntWeakeningRatio, 0.11946050096339114 AbsIntAvgWeakeningVarsNumRemoved, 7.17533718689788 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 457 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1173 NumberOfCodeBlocks, 1173 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1342 ConstructedInterpolants, 0 QuantifiedInterpolants, 752676 SizeOfPredicates, 2 NumberOfNonLiveVariables, 342 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 537/683 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown