java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 23:59:05,506 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 23:59:05,508 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 23:59:05,520 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 23:59:05,521 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 23:59:05,522 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 23:59:05,523 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 23:59:05,525 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 23:59:05,527 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 23:59:05,528 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 23:59:05,529 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 23:59:05,529 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 23:59:05,530 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 23:59:05,531 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 23:59:05,532 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 23:59:05,533 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 23:59:05,534 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 23:59:05,536 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 23:59:05,543 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 23:59:05,545 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 23:59:05,546 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 23:59:05,547 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 23:59:05,550 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 23:59:05,550 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 23:59:05,550 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 23:59:05,551 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 23:59:05,552 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 23:59:05,553 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 23:59:05,554 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 23:59:05,555 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 23:59:05,556 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 23:59:05,556 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-24 23:59:05,559 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 [2018-10-24 23:59:05,576 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 23:59:05,577 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 23:59:05,578 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 23:59:05,578 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 23:59:05,578 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 23:59:05,578 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 23:59:05,580 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-24 23:59:05,580 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 23:59:05,580 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-24 23:59:05,580 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 23:59:05,580 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 23:59:05,581 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 23:59:05,581 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 23:59:05,581 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 23:59:05,582 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 23:59:05,582 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 23:59:05,583 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 23:59:05,583 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 23:59:05,583 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 23:59:05,583 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 23:59:05,583 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 23:59:05,584 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 23:59:05,585 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 23:59:05,585 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 23:59:05,585 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 23:59:05,586 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 23:59:05,586 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 23:59:05,586 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 23:59:05,586 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 23:59:05,586 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 23:59:05,586 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 23:59:05,587 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 23:59:05,587 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 23:59:05,587 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 23:59:05,587 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 23:59:05,587 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 23:59:05,647 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 23:59:05,666 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 23:59:05,670 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 23:59:05,671 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 23:59:05,672 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 23:59:05,673 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c [2018-10-24 23:59:05,739 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/3b5be250c/994f1605da14465b9e39f130a2824efc/FLAG4102b6ac0 [2018-10-24 23:59:06,377 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 23:59:06,378 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c [2018-10-24 23:59:06,395 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/3b5be250c/994f1605da14465b9e39f130a2824efc/FLAG4102b6ac0 [2018-10-24 23:59:06,411 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/3b5be250c/994f1605da14465b9e39f130a2824efc [2018-10-24 23:59:06,422 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 23:59:06,423 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 23:59:06,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 23:59:06,427 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 23:59:06,434 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 23:59:06,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:59:06" (1/1) ... [2018-10-24 23:59:06,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d8d5e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:59:06, skipping insertion in model container [2018-10-24 23:59:06,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:59:06" (1/1) ... [2018-10-24 23:59:06,450 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 23:59:06,515 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 23:59:06,924 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 23:59:06,934 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 23:59:07,090 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 23:59:07,115 INFO L193 MainTranslator]: Completed translation [2018-10-24 23:59:07,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:59:07 WrapperNode [2018-10-24 23:59:07,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 23:59:07,117 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 23:59:07,117 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 23:59:07,117 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 23:59:07,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:59:07" (1/1) ... [2018-10-24 23:59:07,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:59:07" (1/1) ... [2018-10-24 23:59:07,331 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 23:59:07,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 23:59:07,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 23:59:07,332 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 23:59:07,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:59:07" (1/1) ... [2018-10-24 23:59:07,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:59:07" (1/1) ... [2018-10-24 23:59:07,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:59:07" (1/1) ... [2018-10-24 23:59:07,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:59:07" (1/1) ... [2018-10-24 23:59:07,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:59:07" (1/1) ... [2018-10-24 23:59:07,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:59:07" (1/1) ... [2018-10-24 23:59:07,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:59:07" (1/1) ... [2018-10-24 23:59:07,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 23:59:07,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 23:59:07,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 23:59:07,440 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 23:59:07,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:59:07" (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 [2018-10-24 23:59:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 23:59:07,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 23:59:07,518 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 23:59:07,518 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 23:59:07,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 23:59:07,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 23:59:07,520 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 23:59:07,520 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 23:59:11,071 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 23:59:11,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:59:11 BoogieIcfgContainer [2018-10-24 23:59:11,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 23:59:11,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 23:59:11,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 23:59:11,080 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 23:59:11,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:59:06" (1/3) ... [2018-10-24 23:59:11,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1adc325c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:59:11, skipping insertion in model container [2018-10-24 23:59:11,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:59:07" (2/3) ... [2018-10-24 23:59:11,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1adc325c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:59:11, skipping insertion in model container [2018-10-24 23:59:11,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:59:11" (3/3) ... [2018-10-24 23:59:11,085 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label05_true-unreach-call_false-termination.c [2018-10-24 23:59:11,095 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 23:59:11,107 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 23:59:11,128 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 23:59:11,173 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 23:59:11,173 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 23:59:11,173 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 23:59:11,173 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 23:59:11,174 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 23:59:11,174 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 23:59:11,174 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 23:59:11,174 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 23:59:11,199 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-10-24 23:59:11,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-24 23:59:11,211 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:59:11,212 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:59:11,214 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:59:11,221 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:59:11,221 INFO L82 PathProgramCache]: Analyzing trace with hash -200516955, now seen corresponding path program 1 times [2018-10-24 23:59:11,224 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:59:11,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:11,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:59:11,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:11,273 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:59:11,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:59:11,866 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 23:59:12,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:59:12,012 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:59:12,013 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 23:59:12,014 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:59:12,023 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 23:59:12,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 23:59:12,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 23:59:12,044 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-10-24 23:59:13,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:59:13,515 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-10-24 23:59:13,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 23:59:13,517 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2018-10-24 23:59:13,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:59:13,537 INFO L225 Difference]: With dead ends: 550 [2018-10-24 23:59:13,537 INFO L226 Difference]: Without dead ends: 340 [2018-10-24 23:59:13,546 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 [2018-10-24 23:59:13,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-10-24 23:59:13,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-10-24 23:59:13,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-10-24 23:59:13,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 562 transitions. [2018-10-24 23:59:13,641 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 562 transitions. Word has length 101 [2018-10-24 23:59:13,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:59:13,642 INFO L481 AbstractCegarLoop]: Abstraction has 340 states and 562 transitions. [2018-10-24 23:59:13,642 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 23:59:13,643 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 562 transitions. [2018-10-24 23:59:13,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-24 23:59:13,654 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:59:13,654 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:59:13,658 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:59:13,658 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:59:13,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1760831450, now seen corresponding path program 1 times [2018-10-24 23:59:13,659 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:59:13,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:13,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:59:13,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:13,661 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:59:13,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:59:13,931 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 23:59:13,989 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:59:13,990 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:59:13,990 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 23:59:13,990 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:59:13,992 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 23:59:13,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 23:59:13,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 23:59:13,993 INFO L87 Difference]: Start difference. First operand 340 states and 562 transitions. Second operand 6 states. [2018-10-24 23:59:15,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:59:15,794 INFO L93 Difference]: Finished difference Result 888 states and 1491 transitions. [2018-10-24 23:59:15,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 23:59:15,795 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 112 [2018-10-24 23:59:15,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:59:15,802 INFO L225 Difference]: With dead ends: 888 [2018-10-24 23:59:15,802 INFO L226 Difference]: Without dead ends: 554 [2018-10-24 23:59:15,808 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 23:59:15,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-10-24 23:59:15,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 539. [2018-10-24 23:59:15,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2018-10-24 23:59:15,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 827 transitions. [2018-10-24 23:59:15,859 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 827 transitions. Word has length 112 [2018-10-24 23:59:15,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:59:15,860 INFO L481 AbstractCegarLoop]: Abstraction has 539 states and 827 transitions. [2018-10-24 23:59:15,860 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 23:59:15,860 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 827 transitions. [2018-10-24 23:59:15,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-24 23:59:15,864 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:59:15,864 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 23:59:15,864 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:59:15,865 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:59:15,865 INFO L82 PathProgramCache]: Analyzing trace with hash -1036914094, now seen corresponding path program 1 times [2018-10-24 23:59:15,865 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:59:15,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:15,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:59:15,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:15,867 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:59:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:59:16,054 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:59:16,054 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:59:16,054 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 23:59:16,055 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:59:16,055 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 23:59:16,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 23:59:16,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 23:59:16,056 INFO L87 Difference]: Start difference. First operand 539 states and 827 transitions. Second operand 3 states. [2018-10-24 23:59:17,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:59:17,358 INFO L93 Difference]: Finished difference Result 1530 states and 2432 transitions. [2018-10-24 23:59:17,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 23:59:17,361 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2018-10-24 23:59:17,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:59:17,373 INFO L225 Difference]: With dead ends: 1530 [2018-10-24 23:59:17,374 INFO L226 Difference]: Without dead ends: 997 [2018-10-24 23:59:17,378 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 23:59:17,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2018-10-24 23:59:17,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 997. [2018-10-24 23:59:17,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 997 states. [2018-10-24 23:59:17,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 997 states and 1488 transitions. [2018-10-24 23:59:17,429 INFO L78 Accepts]: Start accepts. Automaton has 997 states and 1488 transitions. Word has length 113 [2018-10-24 23:59:17,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:59:17,430 INFO L481 AbstractCegarLoop]: Abstraction has 997 states and 1488 transitions. [2018-10-24 23:59:17,430 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 23:59:17,430 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1488 transitions. [2018-10-24 23:59:17,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-24 23:59:17,437 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:59:17,437 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:59:17,438 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:59:17,439 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:59:17,440 INFO L82 PathProgramCache]: Analyzing trace with hash 790407278, now seen corresponding path program 1 times [2018-10-24 23:59:17,440 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:59:17,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:17,441 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:59:17,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:17,441 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:59:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:59:17,731 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:59:17,732 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:59:17,732 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 23:59:17,732 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:59:17,733 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 23:59:17,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 23:59:17,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 23:59:17,734 INFO L87 Difference]: Start difference. First operand 997 states and 1488 transitions. Second operand 6 states. [2018-10-24 23:59:20,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:59:20,580 INFO L93 Difference]: Finished difference Result 2927 states and 4616 transitions. [2018-10-24 23:59:20,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 23:59:20,585 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 127 [2018-10-24 23:59:20,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:59:20,602 INFO L225 Difference]: With dead ends: 2927 [2018-10-24 23:59:20,602 INFO L226 Difference]: Without dead ends: 1936 [2018-10-24 23:59:20,609 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 23:59:20,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1936 states. [2018-10-24 23:59:20,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1936 to 1881. [2018-10-24 23:59:20,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1881 states. [2018-10-24 23:59:20,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1881 states and 2656 transitions. [2018-10-24 23:59:20,695 INFO L78 Accepts]: Start accepts. Automaton has 1881 states and 2656 transitions. Word has length 127 [2018-10-24 23:59:20,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:59:20,695 INFO L481 AbstractCegarLoop]: Abstraction has 1881 states and 2656 transitions. [2018-10-24 23:59:20,695 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 23:59:20,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 2656 transitions. [2018-10-24 23:59:20,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-10-24 23:59:20,702 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:59:20,702 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 23:59:20,702 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:59:20,702 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:59:20,703 INFO L82 PathProgramCache]: Analyzing trace with hash 323635751, now seen corresponding path program 1 times [2018-10-24 23:59:20,703 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:59:20,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:20,704 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:59:20,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:20,704 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:59:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:59:20,843 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:59:20,844 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 23:59:20,844 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 23:59:20,845 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 146 with the following transitions: [2018-10-24 23:59:20,847 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-24 23:59:20,893 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-24 23:59:20,894 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 23:59:21,847 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 23:59:21,849 INFO L272 AbstractInterpreter]: Visited 105 different actions 203 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-10-24 23:59:21,898 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:59:21,898 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 23:59:22,849 INFO L232 lantSequenceWeakener]: Weakened 117 states. On average, predicates are now at 80.52% of their original sizes. [2018-10-24 23:59:22,849 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 23:59:26,322 INFO L413 sIntCurrentIteration]: We have 144 unified AI predicates [2018-10-24 23:59:26,322 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 23:59:26,323 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 23:59:26,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [6] total 19 [2018-10-24 23:59:26,324 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:59:26,324 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-24 23:59:26,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-24 23:59:26,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2018-10-24 23:59:26,325 INFO L87 Difference]: Start difference. First operand 1881 states and 2656 transitions. Second operand 15 states. [2018-10-24 23:59:43,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:59:43,314 INFO L93 Difference]: Finished difference Result 5490 states and 7675 transitions. [2018-10-24 23:59:43,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-24 23:59:43,315 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 145 [2018-10-24 23:59:43,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:59:43,333 INFO L225 Difference]: With dead ends: 5490 [2018-10-24 23:59:43,333 INFO L226 Difference]: Without dead ends: 3615 [2018-10-24 23:59:43,343 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 151 GetRequests, 40 SyntacticMatches, 91 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 794 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=112, Invalid=350, Unknown=0, NotChecked=0, Total=462 [2018-10-24 23:59:43,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3615 states. [2018-10-24 23:59:43,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3615 to 3551. [2018-10-24 23:59:43,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3551 states. [2018-10-24 23:59:43,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3551 states to 3551 states and 4529 transitions. [2018-10-24 23:59:43,438 INFO L78 Accepts]: Start accepts. Automaton has 3551 states and 4529 transitions. Word has length 145 [2018-10-24 23:59:43,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:59:43,438 INFO L481 AbstractCegarLoop]: Abstraction has 3551 states and 4529 transitions. [2018-10-24 23:59:43,439 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-24 23:59:43,439 INFO L276 IsEmpty]: Start isEmpty. Operand 3551 states and 4529 transitions. [2018-10-24 23:59:43,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-24 23:59:43,449 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:59:43,449 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 23:59:43,449 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:59:43,450 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:59:43,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1433340204, now seen corresponding path program 1 times [2018-10-24 23:59:43,450 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:59:43,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:43,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:59:43,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:43,452 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:59:43,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:59:43,619 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 60 proven. 15 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-24 23:59:43,619 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 23:59:43,619 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 23:59:43,620 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 159 with the following transitions: [2018-10-24 23:59:43,620 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-24 23:59:43,625 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-24 23:59:43,625 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 23:59:43,897 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 23:59:43,898 INFO L272 AbstractInterpreter]: Visited 106 different actions 206 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-10-24 23:59:43,904 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:59:43,904 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 23:59:44,610 INFO L232 lantSequenceWeakener]: Weakened 155 states. On average, predicates are now at 80.31% of their original sizes. [2018-10-24 23:59:44,611 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 23:59:44,737 INFO L413 sIntCurrentIteration]: We have 157 unified AI predicates [2018-10-24 23:59:44,737 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 23:59:44,737 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 23:59:44,738 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-10-24 23:59:44,738 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:59:44,738 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-24 23:59:44,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-24 23:59:44,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-24 23:59:44,739 INFO L87 Difference]: Start difference. First operand 3551 states and 4529 transitions. Second operand 10 states. [2018-10-24 23:59:52,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:59:52,730 INFO L93 Difference]: Finished difference Result 6777 states and 8747 transitions. [2018-10-24 23:59:52,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-24 23:59:52,730 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 158 [2018-10-24 23:59:52,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:59:52,747 INFO L225 Difference]: With dead ends: 6777 [2018-10-24 23:59:52,747 INFO L226 Difference]: Without dead ends: 3692 [2018-10-24 23:59:52,758 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 165 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-10-24 23:59:52,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3692 states. [2018-10-24 23:59:52,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3692 to 3689. [2018-10-24 23:59:52,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3689 states. [2018-10-24 23:59:52,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3689 states to 3689 states and 4683 transitions. [2018-10-24 23:59:52,848 INFO L78 Accepts]: Start accepts. Automaton has 3689 states and 4683 transitions. Word has length 158 [2018-10-24 23:59:52,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:59:52,849 INFO L481 AbstractCegarLoop]: Abstraction has 3689 states and 4683 transitions. [2018-10-24 23:59:52,849 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-24 23:59:52,849 INFO L276 IsEmpty]: Start isEmpty. Operand 3689 states and 4683 transitions. [2018-10-24 23:59:52,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-24 23:59:52,859 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:59:52,859 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:59:52,859 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:59:52,860 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:59:52,860 INFO L82 PathProgramCache]: Analyzing trace with hash -1278873057, now seen corresponding path program 1 times [2018-10-24 23:59:52,860 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:59:52,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:52,861 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:59:52,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:52,861 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:59:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:59:53,012 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 74 proven. 14 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-24 23:59:53,012 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 23:59:53,013 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 23:59:53,013 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 171 with the following transitions: [2018-10-24 23:59:53,013 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-24 23:59:53,017 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-24 23:59:53,018 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 23:59:53,416 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-24 23:59:53,417 INFO L272 AbstractInterpreter]: Visited 108 different actions 325 times. Merged at 7 different actions 25 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 42 variables. [2018-10-24 23:59:53,426 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:59:53,427 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-24 23:59:53,427 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 23:59:53,427 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 [2018-10-24 23:59:53,437 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:59:53,437 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-24 23:59:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:59:53,554 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 23:59:53,800 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 62 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-10-24 23:59:53,800 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-24 23:59:54,602 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 74 proven. 14 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-24 23:59:54,625 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-24 23:59:54,625 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-10-24 23:59:54,625 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-24 23:59:54,626 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-24 23:59:54,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-24 23:59:54,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-10-24 23:59:54,627 INFO L87 Difference]: Start difference. First operand 3689 states and 4683 transitions. Second operand 8 states. [2018-10-25 00:00:01,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:00:01,007 INFO L93 Difference]: Finished difference Result 14003 states and 19370 transitions. [2018-10-25 00:00:01,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-25 00:00:01,016 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 170 [2018-10-25 00:00:01,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:00:01,051 INFO L225 Difference]: With dead ends: 14003 [2018-10-25 00:00:01,051 INFO L226 Difference]: Without dead ends: 6716 [2018-10-25 00:00:01,099 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=215, Invalid=777, Unknown=0, NotChecked=0, Total=992 [2018-10-25 00:00:01,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6716 states. [2018-10-25 00:00:01,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6716 to 6563. [2018-10-25 00:00:01,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6563 states. [2018-10-25 00:00:01,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6563 states to 6563 states and 7865 transitions. [2018-10-25 00:00:01,304 INFO L78 Accepts]: Start accepts. Automaton has 6563 states and 7865 transitions. Word has length 170 [2018-10-25 00:00:01,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:00:01,305 INFO L481 AbstractCegarLoop]: Abstraction has 6563 states and 7865 transitions. [2018-10-25 00:00:01,305 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-25 00:00:01,305 INFO L276 IsEmpty]: Start isEmpty. Operand 6563 states and 7865 transitions. [2018-10-25 00:00:01,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-25 00:00:01,320 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:00:01,321 INFO L375 BasicCegarLoop]: trace histogram [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, 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] [2018-10-25 00:00:01,321 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:00:01,321 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:00:01,321 INFO L82 PathProgramCache]: Analyzing trace with hash 333501976, now seen corresponding path program 1 times [2018-10-25 00:00:01,322 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:00:01,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:00:01,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:00:01,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:00:01,323 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:00:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:00:01,841 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 100 proven. 15 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-25 00:00:01,841 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:00:01,841 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:00:01,841 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 192 with the following transitions: [2018-10-25 00:00:01,842 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-25 00:00:01,845 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:00:01,846 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:00:02,241 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:00:02,242 INFO L272 AbstractInterpreter]: Visited 106 different actions 206 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-10-25 00:00:02,280 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:00:02,281 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:00:02,998 INFO L232 lantSequenceWeakener]: Weakened 127 states. On average, predicates are now at 80.49% of their original sizes. [2018-10-25 00:00:02,999 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:00:06,212 INFO L413 sIntCurrentIteration]: We have 190 unified AI predicates [2018-10-25 00:00:06,213 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:00:06,213 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:00:06,213 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [6] total 19 [2018-10-25 00:00:06,213 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:00:06,214 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-25 00:00:06,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-25 00:00:06,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2018-10-25 00:00:06,215 INFO L87 Difference]: Start difference. First operand 6563 states and 7865 transitions. Second operand 15 states. [2018-10-25 00:00:19,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:00:19,345 INFO L93 Difference]: Finished difference Result 12694 states and 15197 transitions. [2018-10-25 00:00:19,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-10-25 00:00:19,345 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 191 [2018-10-25 00:00:19,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:00:19,379 INFO L225 Difference]: With dead ends: 12694 [2018-10-25 00:00:19,379 INFO L226 Difference]: Without dead ends: 7311 [2018-10-25 00:00:19,396 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 197 GetRequests, 53 SyntacticMatches, 124 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 883 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=109, Invalid=353, Unknown=0, NotChecked=0, Total=462 [2018-10-25 00:00:19,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7311 states. [2018-10-25 00:00:19,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7311 to 7301. [2018-10-25 00:00:19,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7301 states. [2018-10-25 00:00:19,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7301 states to 7301 states and 8655 transitions. [2018-10-25 00:00:19,565 INFO L78 Accepts]: Start accepts. Automaton has 7301 states and 8655 transitions. Word has length 191 [2018-10-25 00:00:19,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:00:19,565 INFO L481 AbstractCegarLoop]: Abstraction has 7301 states and 8655 transitions. [2018-10-25 00:00:19,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-25 00:00:19,566 INFO L276 IsEmpty]: Start isEmpty. Operand 7301 states and 8655 transitions. [2018-10-25 00:00:19,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-10-25 00:00:19,583 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:00:19,583 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 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, 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] [2018-10-25 00:00:19,583 INFO L424 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:00:19,584 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:00:19,591 INFO L82 PathProgramCache]: Analyzing trace with hash 2075133141, now seen corresponding path program 1 times [2018-10-25 00:00:19,591 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:00:19,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:00:19,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:00:19,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:00:19,593 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:00:19,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:00:20,413 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 98 proven. 52 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-25 00:00:20,414 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:00:20,414 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:00:20,414 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 201 with the following transitions: [2018-10-25 00:00:20,415 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-25 00:00:20,418 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:00:20,418 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:00:21,320 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:00:21,321 INFO L272 AbstractInterpreter]: Visited 108 different actions 437 times. Merged at 9 different actions 41 times. Widened at 1 different actions 1 times. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-10-25 00:00:21,332 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:00:21,332 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:00:21,332 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:00:21,332 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 00:00:21,340 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:00:21,340 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:00:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:00:21,437 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:00:21,578 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 116 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-10-25 00:00:21,579 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:00:21,715 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 104 proven. 44 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-25 00:00:21,736 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:00:21,736 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-10-25 00:00:21,736 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:00:21,737 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-25 00:00:21,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-25 00:00:21,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-10-25 00:00:21,738 INFO L87 Difference]: Start difference. First operand 7301 states and 8655 transitions. Second operand 11 states. [2018-10-25 00:00:23,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:00:23,717 INFO L93 Difference]: Finished difference Result 15478 states and 18533 transitions. [2018-10-25 00:00:23,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-25 00:00:23,720 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 200 [2018-10-25 00:00:23,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:00:23,767 INFO L225 Difference]: With dead ends: 15478 [2018-10-25 00:00:23,767 INFO L226 Difference]: Without dead ends: 9057 [2018-10-25 00:00:23,784 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 401 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2018-10-25 00:00:23,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9057 states. [2018-10-25 00:00:24,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9057 to 9021. [2018-10-25 00:00:24,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9021 states. [2018-10-25 00:00:24,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9021 states to 9021 states and 10525 transitions. [2018-10-25 00:00:24,029 INFO L78 Accepts]: Start accepts. Automaton has 9021 states and 10525 transitions. Word has length 200 [2018-10-25 00:00:24,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:00:24,030 INFO L481 AbstractCegarLoop]: Abstraction has 9021 states and 10525 transitions. [2018-10-25 00:00:24,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-25 00:00:24,030 INFO L276 IsEmpty]: Start isEmpty. Operand 9021 states and 10525 transitions. [2018-10-25 00:00:24,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-10-25 00:00:24,052 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:00:24,052 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 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, 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] [2018-10-25 00:00:24,052 INFO L424 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:00:24,052 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:00:24,053 INFO L82 PathProgramCache]: Analyzing trace with hash 58709859, now seen corresponding path program 2 times [2018-10-25 00:00:24,053 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:00:24,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:00:24,054 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:00:24,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:00:24,282 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:00:24,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:00:24,786 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 98 proven. 54 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-25 00:00:24,786 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:00:24,786 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:00:24,786 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-25 00:00:24,787 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-25 00:00:24,787 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:00:24,787 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 00:00:24,794 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-25 00:00:24,794 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-10-25 00:00:24,870 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-10-25 00:00:24,870 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-25 00:00:24,877 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:00:25,003 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-10-25 00:00:25,003 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:00:25,093 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-10-25 00:00:25,114 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:00:25,114 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-10-25 00:00:25,114 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:00:25,114 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-25 00:00:25,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-25 00:00:25,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-10-25 00:00:25,115 INFO L87 Difference]: Start difference. First operand 9021 states and 10525 transitions. Second operand 3 states. [2018-10-25 00:00:25,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:00:25,991 INFO L93 Difference]: Finished difference Result 14917 states and 17464 transitions. [2018-10-25 00:00:25,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-25 00:00:25,991 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 200 [2018-10-25 00:00:25,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:00:26,019 INFO L225 Difference]: With dead ends: 14917 [2018-10-25 00:00:26,019 INFO L226 Difference]: Without dead ends: 9397 [2018-10-25 00:00:26,031 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 401 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-10-25 00:00:26,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9397 states. [2018-10-25 00:00:26,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9397 to 9125. [2018-10-25 00:00:26,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9125 states. [2018-10-25 00:00:26,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9125 states to 9125 states and 10637 transitions. [2018-10-25 00:00:26,225 INFO L78 Accepts]: Start accepts. Automaton has 9125 states and 10637 transitions. Word has length 200 [2018-10-25 00:00:26,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:00:26,225 INFO L481 AbstractCegarLoop]: Abstraction has 9125 states and 10637 transitions. [2018-10-25 00:00:26,226 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-25 00:00:26,226 INFO L276 IsEmpty]: Start isEmpty. Operand 9125 states and 10637 transitions. [2018-10-25 00:00:26,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-10-25 00:00:26,252 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:00:26,253 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:00:26,253 INFO L424 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:00:26,253 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:00:26,253 INFO L82 PathProgramCache]: Analyzing trace with hash 410306036, now seen corresponding path program 1 times [2018-10-25 00:00:26,253 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:00:26,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:00:26,254 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-25 00:00:26,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:00:26,255 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:00:26,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:00:26,513 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 137 proven. 73 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-10-25 00:00:26,514 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:00:26,514 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:00:26,514 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 238 with the following transitions: [2018-10-25 00:00:26,514 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [205], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-25 00:00:26,517 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:00:26,517 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:00:27,638 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:00:27,638 INFO L272 AbstractInterpreter]: Visited 109 different actions 447 times. Merged at 10 different actions 47 times. Widened at 1 different actions 1 times. Found 10 fixpoints after 3 different actions. Largest state had 42 variables. [2018-10-25 00:00:27,644 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:00:27,646 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:00:27,646 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:00:27,646 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 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 [2018-10-25 00:00:27,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:00:27,654 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:00:27,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:00:27,754 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:00:28,111 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 144 proven. 2 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-10-25 00:00:28,111 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:00:28,315 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 143 proven. 20 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-10-25 00:00:28,336 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:00:28,336 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-10-25 00:00:28,337 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:00:28,337 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-25 00:00:28,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-25 00:00:28,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-10-25 00:00:28,338 INFO L87 Difference]: Start difference. First operand 9125 states and 10637 transitions. Second operand 12 states. [2018-10-25 00:00:33,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:00:33,227 INFO L93 Difference]: Finished difference Result 26824 states and 33336 transitions. [2018-10-25 00:00:33,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-10-25 00:00:33,227 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 237 [2018-10-25 00:00:33,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:00:33,228 INFO L225 Difference]: With dead ends: 26824 [2018-10-25 00:00:33,228 INFO L226 Difference]: Without dead ends: 0 [2018-10-25 00:00:33,273 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 549 GetRequests, 503 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 577 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=444, Invalid=1718, Unknown=0, NotChecked=0, Total=2162 [2018-10-25 00:00:33,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-25 00:00:33,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-25 00:00:33,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-25 00:00:33,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-25 00:00:33,274 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 237 [2018-10-25 00:00:33,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:00:33,274 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-25 00:00:33,275 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-25 00:00:33,275 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-25 00:00:33,275 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-25 00:00:33,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-25 00:00:33,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:34,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,203 WARN L179 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 455 DAG size of output: 353 [2018-10-25 00:00:35,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:35,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:36,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:36,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:36,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:36,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:36,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:36,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:36,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:36,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:36,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:36,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:36,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:36,273 WARN L179 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 431 DAG size of output: 325 [2018-10-25 00:00:36,735 WARN L179 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 54 [2018-10-25 00:00:37,142 WARN L179 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 86 [2018-10-25 00:00:40,874 WARN L179 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 496 DAG size of output: 107 [2018-10-25 00:00:43,438 WARN L179 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 373 DAG size of output: 117 [2018-10-25 00:00:45,746 WARN L179 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 349 DAG size of output: 118 [2018-10-25 00:00:45,750 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-25 00:00:45,750 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|) (= |old(~a16~0)| ~a16~0)) [2018-10-25 00:00:45,750 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-25 00:00:45,750 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-10-25 00:00:45,750 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-10-25 00:00:45,751 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,751 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,751 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,751 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,751 INFO L425 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,751 INFO L425 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,751 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-10-25 00:00:45,751 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-10-25 00:00:45,752 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-10-25 00:00:45,752 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-10-25 00:00:45,752 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-10-25 00:00:45,752 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-10-25 00:00:45,752 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-10-25 00:00:45,752 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-10-25 00:00:45,752 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-10-25 00:00:45,752 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-10-25 00:00:45,753 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,753 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,753 INFO L425 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,753 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,753 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,753 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,753 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-10-25 00:00:45,753 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-10-25 00:00:45,753 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-10-25 00:00:45,754 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-10-25 00:00:45,754 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-10-25 00:00:45,754 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-10-25 00:00:45,754 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-10-25 00:00:45,754 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-10-25 00:00:45,754 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-10-25 00:00:45,754 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-10-25 00:00:45,754 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-10-25 00:00:45,754 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-10-25 00:00:45,755 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-10-25 00:00:45,755 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-10-25 00:00:45,755 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-10-25 00:00:45,755 INFO L425 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,755 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,755 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,755 INFO L425 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,755 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,755 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-10-25 00:00:45,755 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-10-25 00:00:45,756 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-10-25 00:00:45,756 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-10-25 00:00:45,756 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-10-25 00:00:45,756 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-10-25 00:00:45,756 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-10-25 00:00:45,756 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-10-25 00:00:45,756 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-10-25 00:00:45,756 INFO L425 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,756 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,757 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,757 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,757 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,757 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-10-25 00:00:45,757 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-10-25 00:00:45,757 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-10-25 00:00:45,757 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-10-25 00:00:45,757 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-10-25 00:00:45,758 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-10-25 00:00:45,758 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-10-25 00:00:45,758 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-10-25 00:00:45,758 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-10-25 00:00:45,758 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-10-25 00:00:45,758 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-10-25 00:00:45,758 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-10-25 00:00:45,759 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-10-25 00:00:45,759 INFO L425 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,759 INFO L425 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,759 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,759 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,759 INFO L425 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,759 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-10-25 00:00:45,759 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-10-25 00:00:45,760 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-10-25 00:00:45,760 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-10-25 00:00:45,760 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-10-25 00:00:45,760 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-10-25 00:00:45,760 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-10-25 00:00:45,760 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-10-25 00:00:45,760 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-10-25 00:00:45,760 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,760 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,761 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,761 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,761 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,761 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,761 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-10-25 00:00:45,761 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,761 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-10-25 00:00:45,761 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-10-25 00:00:45,762 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-10-25 00:00:45,762 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-10-25 00:00:45,762 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-10-25 00:00:45,762 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-10-25 00:00:45,762 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-10-25 00:00:45,762 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-10-25 00:00:45,762 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-10-25 00:00:45,762 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-10-25 00:00:45,762 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-10-25 00:00:45,763 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-10-25 00:00:45,763 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-10-25 00:00:45,763 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,763 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,763 INFO L425 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,763 INFO L425 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,763 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,763 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-10-25 00:00:45,763 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-10-25 00:00:45,764 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-10-25 00:00:45,764 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-10-25 00:00:45,764 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-10-25 00:00:45,764 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-10-25 00:00:45,764 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-10-25 00:00:45,764 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-10-25 00:00:45,764 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,764 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,764 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,764 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,765 INFO L425 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,765 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-10-25 00:00:45,765 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-10-25 00:00:45,765 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-10-25 00:00:45,765 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-10-25 00:00:45,765 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-10-25 00:00:45,765 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-10-25 00:00:45,765 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-10-25 00:00:45,766 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-10-25 00:00:45,766 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-10-25 00:00:45,766 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-10-25 00:00:45,766 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse6 (= ~a21~0 1)) (.cse15 (= 1 |old(~a17~0)|)) (.cse21 (= 1 |old(~a21~0)|))) (let ((.cse1 (not .cse21)) (.cse20 (not (= 1 |old(~a20~0)|))) (.cse26 (= 0 |old(~a16~0)|)) (.cse3 (not (= 8 ~a12~0))) (.cse4 (= |calculate_output_#in~input| 0)) (.cse5 (not .cse15)) (.cse25 (= 1 ~a7~0)) (.cse13 (= |old(~a20~0)| ~a20~0)) (.cse8 (= |old(~a16~0)| ~a16~0)) (.cse29 (not .cse6)) (.cse9 (= ~a7~0 |old(~a7~0)|)) (.cse10 (= |old(~a8~0)| ~a8~0)) (.cse14 (= ~a17~0 |old(~a17~0)|))) (let ((.cse17 (= |old(~a7~0)| 1)) (.cse0 (not (= 0 |old(~a7~0)|))) (.cse2 (not (= 15 |old(~a8~0)|))) (.cse24 (and .cse13 .cse8 .cse29 .cse9 .cse10 .cse14)) (.cse27 (and .cse25 .cse10 .cse8)) (.cse19 (< 13 |old(~a8~0)|)) (.cse12 (or .cse1 .cse20 .cse26 .cse3 .cse4 (= 0 |old(~a8~0)|) .cse5)) (.cse11 (and (not (= ~a16~0 0)) (not (= ~a8~0 0)) (= ~a17~0 1) (= ~a12~0 8) .cse6 (= ~a20~0 1) (not .cse4))) (.cse7 (= 6 |old(~a16~0)|)) (.cse23 (< 0 |old(~a17~0)|)) (.cse31 (and .cse9 .cse10 .cse13 .cse14 .cse8)) (.cse30 (= 13 |old(~a8~0)|)) (.cse16 (< 0 |old(~a20~0)|)) (.cse22 (not (= 1 |old(~a7~0)|))) (.cse18 (= 1 ~a20~0)) (.cse28 (< |old(~a8~0)| 15))) (and (or (or .cse0 .cse1 .cse2 (not (= 5 |old(~a16~0)|)) .cse3 .cse4 .cse5) .cse6 (not (= 0 |old(~a20~0)|))) (or .cse7 (and .cse8 .cse9 .cse10 .cse11) .cse12) (or .cse7 (and .cse13 .cse14) .cse15 .cse16) (or .cse7 .cse17 .cse18 .cse19 .cse20) (or .cse7 .cse17 .cse19 (and .cse9 .cse10 .cse8)) (or .cse19 .cse20 .cse21 .cse22 .cse23 .cse24) (or .cse7 .cse21 (and .cse25 .cse10 .cse13 .cse14 .cse8) .cse22 .cse16) (or .cse23 (or .cse0 .cse1 .cse20 .cse2 .cse26 .cse3 .cse4) .cse6) (or .cse27 .cse22 .cse28) (or .cse7 .cse19 .cse21 .cse22 .cse29 .cse16) (or .cse24 (or .cse7 .cse19 .cse20 .cse21 .cse22)) (or .cse7 .cse27 .cse15 .cse22 .cse16) (or .cse12 (and .cse25 .cse10 .cse11 .cse8) .cse22) (or .cse19 .cse12 (and .cse9 .cse10 .cse11 .cse8)) (or (= 4 |old(~a16~0)|) .cse20 .cse30 .cse31 .cse15) (or .cse7 .cse31 (not (= |old(~a20~0)| 1)) .cse23) (or .cse31 .cse30 .cse16) (or .cse20 .cse22 .cse18 .cse28))))) [2018-10-25 00:00:45,767 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-10-25 00:00:45,767 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 458) no Hoare annotation was computed. [2018-10-25 00:00:45,767 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,767 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,767 INFO L425 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,767 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,767 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-10-25 00:00:45,767 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,767 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,768 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-10-25 00:00:45,768 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-10-25 00:00:45,768 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-10-25 00:00:45,768 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-10-25 00:00:45,768 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-10-25 00:00:45,768 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-10-25 00:00:45,768 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-10-25 00:00:45,768 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-10-25 00:00:45,768 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-10-25 00:00:45,768 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-10-25 00:00:45,769 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-10-25 00:00:45,769 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-10-25 00:00:45,769 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,769 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,769 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,769 INFO L425 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,769 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,769 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-10-25 00:00:45,769 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,769 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-10-25 00:00:45,770 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-10-25 00:00:45,770 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-10-25 00:00:45,770 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-10-25 00:00:45,770 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-10-25 00:00:45,770 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-10-25 00:00:45,770 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-10-25 00:00:45,770 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-10-25 00:00:45,770 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-10-25 00:00:45,770 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-10-25 00:00:45,770 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-10-25 00:00:45,771 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-10-25 00:00:45,771 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-10-25 00:00:45,771 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-10-25 00:00:45,771 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,771 INFO L425 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,771 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,771 INFO L425 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,771 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,771 INFO L425 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:45,771 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-10-25 00:00:45,772 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-10-25 00:00:45,772 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-10-25 00:00:45,772 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-10-25 00:00:45,772 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-10-25 00:00:45,772 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-10-25 00:00:45,772 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-10-25 00:00:45,772 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-10-25 00:00:45,772 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-10-25 00:00:45,772 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-10-25 00:00:45,772 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-25 00:00:45,773 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~a8~0 15) (= ~z~0 26) (= ~a17~0 1) (= ~c~0 3) (= ~a21~0 1) (= ~f~0 6) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~a7~0 0) (= ~y~0 25) (= ~e~0 5) (= ~x~0 24) (= ~b~0 2) (= ~a~0 1) (= ~a12~0 8) (= ~a20~0 1) (= ~a16~0 5)) [2018-10-25 00:00:45,773 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-25 00:00:45,773 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-25 00:00:45,773 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (and (= ~a21~0 1) (= ~a16~0 5) (= ~a8~0 15) (= ~a7~0 0) (= ~a17~0 |old(~a17~0)|) (= ~a20~0 1)) (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= |old(~a16~0)| 5)) (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (not (= |old(~a7~0)| 0)) (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= ~x~0 24)) (not (= |old(~a17~0)| 1)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= |old(~a8~0)| 15)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-10-25 00:00:45,773 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-10-25 00:00:45,774 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse5 (= ~a17~0 1)) (.cse6 (= ~a21~0 1))) (let ((.cse2 (not (= ~a16~0 0))) (.cse3 (not (= main_~input~0 0))) (.cse4 (not (= ~a8~0 0))) (.cse8 (= ~a20~0 1)) (.cse1 (<= ~a20~0 0)) (.cse14 (<= ~a17~0 0)) (.cse10 (not .cse6)) (.cse9 (<= ~a8~0 13)) (.cse11 (= 1 ~a7~0)) (.cse7 (not (= ~a16~0 6))) (.cse13 (= 1 ~a20~0)) (.cse15 (not .cse5)) (.cse0 (not (= ~a8~0 13))) (.cse12 (not (= ~a16~0 4)))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 (= ~a7~0 |old(~a7~0)|) .cse7) (and .cse10 .cse11 .cse7 .cse1) (not (= 3 ~c~0)) (not (= 1 |old(~a21~0)|)) (not (= 4 ~d~0)) (not (= 2 ~b~0)) (and (<= ~a8~0 |old(~a8~0)|) .cse11 (<= 15 ~a8~0)) (not (= ~y~0 25)) (not (= ~x~0 24)) (not (= ~a12~0 8)) (and .cse9 .cse2 .cse3 .cse4 .cse5 .cse6 .cse8) (not (= ~e~0 5)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (and .cse2 .cse11 .cse3 .cse4 .cse6 .cse8 .cse0 .cse12) (not (= ~z~0 26)) (and .cse10 .cse11 .cse13 .cse14) (and .cse7 .cse15 .cse1) (not (= |old(~a16~0)| 5)) (not (= 0 |old(~a7~0)|)) (not (= |old(~a20~0)| 1)) (not (= 23 ~w~0)) (and .cse13 .cse7 .cse14) (not (= 15 |old(~a8~0)|)) (not (= ~a~0 1)) (and .cse10 .cse9 .cse11 .cse13 .cse7) (not (= |old(~a17~0)| 1)) (not (= 6 ~f~0)) (and .cse13 .cse15 .cse0 .cse12)))) [2018-10-25 00:00:45,774 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-10-25 00:00:45,774 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-10-25 00:00:45,774 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-10-25 00:00:45,774 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse10 (= ~a21~0 1)) (.cse11 (= ~a17~0 1))) (let ((.cse6 (not .cse11)) (.cse3 (not (= ~a8~0 13))) (.cse2 (<= ~a20~0 0)) (.cse5 (and (not (= ~a16~0 0)) (not (= ~a8~0 0)) .cse11 (= ~a12~0 8) .cse10 (= ~a20~0 1))) (.cse9 (<= ~a17~0 0)) (.cse8 (not .cse10)) (.cse0 (<= ~a8~0 13)) (.cse4 (= 1 ~a7~0)) (.cse7 (= 1 ~a20~0)) (.cse1 (not (= ~a16~0 6)))) (or (and .cse0 (= ~a7~0 |old(~a7~0)|) .cse1) (and .cse2 .cse3) (and .cse4 .cse5) (not (= 1 |old(~a21~0)|)) (not (= 4 ~d~0)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= 22 ~v~0)) (and .cse1 .cse6 .cse2) (and .cse7 .cse6 .cse3 (not (= ~a16~0 4))) (not (= ~c~0 3)) (not (= 1 ~a~0)) (not (= 5 |old(~a16~0)|)) (not (= ~u~0 21)) (not (= |old(~a7~0)| 0)) (not (= 26 ~z~0)) (and .cse8 .cse4 .cse1 .cse2) (and .cse5 .cse1) (not (= 8 ~a12~0)) (not (= 2 ~b~0)) (not (= 25 ~y~0)) (and (<= ~a8~0 |old(~a8~0)|) .cse4 (<= 15 ~a8~0)) (and .cse8 .cse4 .cse7 .cse9) (and .cse0 .cse5) (not (= |old(~a20~0)| 1)) (not (= 23 ~w~0)) (and .cse7 .cse1 .cse9) (not (= 15 |old(~a8~0)|)) (and .cse8 .cse0 .cse4 .cse7 .cse1) (not (= |old(~a17~0)| 1)) (not (= 6 ~f~0))))) [2018-10-25 00:00:45,774 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-10-25 00:00:45,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 12:00:45 BoogieIcfgContainer [2018-10-25 00:00:45,792 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-25 00:00:45,793 INFO L168 Benchmark]: Toolchain (without parser) took 99370.71 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 3.3 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-10-25 00:00:45,794 INFO L168 Benchmark]: CDTParser took 0.23 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 00:00:45,795 INFO L168 Benchmark]: CACSL2BoogieTranslator took 688.95 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-25 00:00:45,796 INFO L168 Benchmark]: Boogie Procedure Inliner took 214.60 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 757.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -836.5 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2018-10-25 00:00:45,796 INFO L168 Benchmark]: Boogie Preprocessor took 107.71 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: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. [2018-10-25 00:00:45,797 INFO L168 Benchmark]: RCFGBuilder took 3633.04 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 105.1 MB). Peak memory consumption was 105.1 MB. Max. memory is 7.1 GB. [2018-10-25 00:00:45,798 INFO L168 Benchmark]: TraceAbstraction took 94715.27 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 3.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-10-25 00:00:45,803 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 688.95 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 214.60 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 757.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -836.5 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.71 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: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3633.04 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 105.1 MB). Peak memory consumption was 105.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 94715.27 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 3.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 458]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6)) || (a20 <= 0 && !(a8 == 13))) || (1 == a7 && ((((!(a16 == 0) && !(a8 == 0)) && a17 == 1) && a12 == 8) && a21 == 1) && a20 == 1)) || !(1 == \old(a21))) || !(4 == d)) || !(x == 24)) || !(e == 5)) || !(22 == v)) || ((!(a16 == 6) && !(a17 == 1)) && a20 <= 0)) || (((1 == a20 && !(a17 == 1)) && !(a8 == 13)) && !(a16 == 4))) || !(c == 3)) || !(1 == a)) || !(5 == \old(a16))) || !(u == 21)) || !(\old(a7) == 0)) || !(26 == z)) || (((!(a21 == 1) && 1 == a7) && !(a16 == 6)) && a20 <= 0)) || ((((((!(a16 == 0) && !(a8 == 0)) && a17 == 1) && a12 == 8) && a21 == 1) && a20 == 1) && !(a16 == 6))) || !(8 == a12)) || !(2 == b)) || !(25 == y)) || ((a8 <= \old(a8) && 1 == a7) && 15 <= a8)) || (((!(a21 == 1) && 1 == a7) && 1 == a20) && a17 <= 0)) || (a8 <= 13 && ((((!(a16 == 0) && !(a8 == 0)) && a17 == 1) && a12 == 8) && a21 == 1) && a20 == 1)) || !(\old(a20) == 1)) || !(23 == w)) || ((1 == a20 && !(a16 == 6)) && a17 <= 0)) || !(15 == \old(a8))) || ((((!(a21 == 1) && a8 <= 13) && 1 == a7) && 1 == a20) && !(a16 == 6))) || !(\old(a17) == 1)) || !(6 == f) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 94.6s OverallTime, 11 OverallIterations, 6 TraceHistogramMax, 60.1s AutomataDifference, 0.0s DeadEndRemovalTime, 12.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 1515 SDtfs, 10840 SDslu, 2088 SDs, 0 SdLazy, 18060 SolverSat, 2517 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 28.2s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 2304 GetRequests, 1911 SyntacticMatches, 222 SemanticMatches, 171 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2550 ImplicationChecksByTransitivity, 11.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9125occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.2s AbstIntTime, 6 AbstIntIterations, 3 AbstIntStrong, 0.996928118462398 AbsIntWeakeningRatio, 0.23828920570264767 AbsIntAvgWeakeningVarsNumRemoved, 0.9470468431771895 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 608 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 488 PreInvPairs, 938 NumberOfFragments, 1314 HoareAnnotationTreeSize, 488 FomulaSimplifications, 23597 FormulaSimplificationTreeSizeReduction, 2.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 31048 FormulaSimplificationTreeSizeReductionInter, 9.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 2561 NumberOfCodeBlocks, 2494 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3349 ConstructedInterpolants, 0 QuantifiedInterpolants, 1172995 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2190 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 19 InterpolantComputations, 6 PerfectInterpolantSequences, 2231/2540 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...