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.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem15_label06_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 21:45:15,353 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 21:45:15,357 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 21:45:15,376 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 21:45:15,377 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 21:45:15,379 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 21:45:15,381 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 21:45:15,383 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 21:45:15,387 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 21:45:15,388 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 21:45:15,390 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 21:45:15,391 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 21:45:15,393 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 21:45:15,400 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 21:45:15,401 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 21:45:15,402 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 21:45:15,403 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 21:45:15,404 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 21:45:15,406 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 21:45:15,408 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 21:45:15,409 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 21:45:15,410 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 21:45:15,411 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 21:45:15,412 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 21:45:15,412 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 21:45:15,413 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 21:45:15,414 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 21:45:15,414 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 21:45:15,415 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 21:45:15,418 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 21:45:15,418 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 21:45:15,419 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 21:45:15,419 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 21:45:15,419 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 21:45:15,420 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 21:45:15,422 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 21:45:15,423 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-24 21:45:15,449 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 21:45:15,452 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 21:45:15,453 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 21:45:15,453 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 21:45:15,453 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 21:45:15,453 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 21:45:15,453 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 21:45:15,454 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 21:45:15,454 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 21:45:15,454 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 21:45:15,454 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 21:45:15,454 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 21:45:15,455 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 21:45:15,456 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 21:45:15,456 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 21:45:15,456 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 21:45:15,456 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 21:45:15,456 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 21:45:15,457 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 21:45:15,457 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 21:45:15,457 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 21:45:15,457 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 21:45:15,457 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 21:45:15,457 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 21:45:15,458 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 21:45:15,460 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 21:45:15,460 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 21:45:15,460 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 21:45:15,460 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 21:45:15,460 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 21:45:15,461 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 21:45:15,461 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 21:45:15,461 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 21:45:15,461 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 21:45:15,504 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 21:45:15,518 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 21:45:15,522 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 21:45:15,523 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 21:45:15,524 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 21:45:15,525 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label06_true-unreach-call.c [2018-10-24 21:45:15,593 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/29d4c08bb/09ae578a4dcc47cba8e56eecb51a3d3b/FLAGd959647a0 [2018-10-24 21:45:16,325 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 21:45:16,326 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label06_true-unreach-call.c [2018-10-24 21:45:16,348 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/29d4c08bb/09ae578a4dcc47cba8e56eecb51a3d3b/FLAGd959647a0 [2018-10-24 21:45:16,368 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/29d4c08bb/09ae578a4dcc47cba8e56eecb51a3d3b [2018-10-24 21:45:16,381 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 21:45:16,382 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 21:45:16,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 21:45:16,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 21:45:16,391 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 21:45:16,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:45:16" (1/1) ... [2018-10-24 21:45:16,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b38e11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:45:16, skipping insertion in model container [2018-10-24 21:45:16,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:45:16" (1/1) ... [2018-10-24 21:45:16,405 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 21:45:16,490 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 21:45:17,371 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 21:45:17,376 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 21:45:17,654 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 21:45:17,675 INFO L193 MainTranslator]: Completed translation [2018-10-24 21:45:17,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:45:17 WrapperNode [2018-10-24 21:45:17,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 21:45:17,677 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 21:45:17,677 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 21:45:17,678 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 21:45:17,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:45:17" (1/1) ... [2018-10-24 21:45:17,725 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:45:17" (1/1) ... [2018-10-24 21:45:18,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 21:45:18,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 21:45:18,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 21:45:18,061 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 21:45:18,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:45:17" (1/1) ... [2018-10-24 21:45:18,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:45:17" (1/1) ... [2018-10-24 21:45:18,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:45:17" (1/1) ... [2018-10-24 21:45:18,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:45:17" (1/1) ... [2018-10-24 21:45:18,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:45:17" (1/1) ... [2018-10-24 21:45:18,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:45:17" (1/1) ... [2018-10-24 21:45:18,241 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:45:17" (1/1) ... [2018-10-24 21:45:18,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 21:45:18,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 21:45:18,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 21:45:18,283 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 21:45:18,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:45:17" (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 21:45:18,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 21:45:18,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 21:45:18,354 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 21:45:18,354 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 21:45:18,354 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 21:45:18,354 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 21:45:18,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 21:45:18,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 21:45:18,355 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 21:45:18,355 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 21:45:27,697 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 21:45:27,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:45:27 BoogieIcfgContainer [2018-10-24 21:45:27,698 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 21:45:27,700 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 21:45:27,700 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 21:45:27,704 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 21:45:27,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:45:16" (1/3) ... [2018-10-24 21:45:27,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2671184d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:45:27, skipping insertion in model container [2018-10-24 21:45:27,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:45:17" (2/3) ... [2018-10-24 21:45:27,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2671184d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:45:27, skipping insertion in model container [2018-10-24 21:45:27,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:45:27" (3/3) ... [2018-10-24 21:45:27,707 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label06_true-unreach-call.c [2018-10-24 21:45:27,717 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 21:45:27,728 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 21:45:27,746 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 21:45:27,787 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 21:45:27,787 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 21:45:27,787 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 21:45:27,788 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 21:45:27,788 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 21:45:27,788 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 21:45:27,788 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 21:45:27,788 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 21:45:27,820 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-10-24 21:45:27,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-24 21:45:27,831 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:45:27,833 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] [2018-10-24 21:45:27,835 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:45:27,841 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:45:27,841 INFO L82 PathProgramCache]: Analyzing trace with hash 1002059929, now seen corresponding path program 1 times [2018-10-24 21:45:27,843 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:45:27,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:45:27,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:45:27,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:45:27,892 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:45:28,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:45:28,316 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 3 [2018-10-24 21:45:28,335 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 21:45:28,338 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:45:28,338 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 21:45:28,339 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:45:28,347 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 21:45:28,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 21:45:28,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 21:45:28,367 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 4 states. [2018-10-24 21:45:37,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:45:37,263 INFO L93 Difference]: Finished difference Result 1558 states and 2849 transitions. [2018-10-24 21:45:37,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 21:45:37,264 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 63 [2018-10-24 21:45:37,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:45:37,291 INFO L225 Difference]: With dead ends: 1558 [2018-10-24 21:45:37,292 INFO L226 Difference]: Without dead ends: 1114 [2018-10-24 21:45:37,303 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 21:45:37,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2018-10-24 21:45:37,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1091. [2018-10-24 21:45:37,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1091 states. [2018-10-24 21:45:37,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1853 transitions. [2018-10-24 21:45:37,445 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1853 transitions. Word has length 63 [2018-10-24 21:45:37,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:45:37,447 INFO L481 AbstractCegarLoop]: Abstraction has 1091 states and 1853 transitions. [2018-10-24 21:45:37,447 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 21:45:37,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1853 transitions. [2018-10-24 21:45:37,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-24 21:45:37,462 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:45:37,462 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 21:45:37,463 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:45:37,463 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:45:37,463 INFO L82 PathProgramCache]: Analyzing trace with hash -1927078684, now seen corresponding path program 1 times [2018-10-24 21:45:37,463 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:45:37,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:45:37,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:45:37,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:45:37,465 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:45:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:45:37,765 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:45:37,766 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:45:37,766 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 21:45:37,766 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:45:37,768 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 21:45:37,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 21:45:37,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 21:45:37,769 INFO L87 Difference]: Start difference. First operand 1091 states and 1853 transitions. Second operand 5 states. [2018-10-24 21:45:47,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:45:47,583 INFO L93 Difference]: Finished difference Result 3240 states and 5580 transitions. [2018-10-24 21:45:47,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 21:45:47,584 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2018-10-24 21:45:47,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:45:47,600 INFO L225 Difference]: With dead ends: 3240 [2018-10-24 21:45:47,601 INFO L226 Difference]: Without dead ends: 2155 [2018-10-24 21:45:47,607 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 21:45:47,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2155 states. [2018-10-24 21:45:47,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2155 to 2114. [2018-10-24 21:45:47,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2114 states. [2018-10-24 21:45:47,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2114 states to 2114 states and 3176 transitions. [2018-10-24 21:45:47,681 INFO L78 Accepts]: Start accepts. Automaton has 2114 states and 3176 transitions. Word has length 136 [2018-10-24 21:45:47,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:45:47,681 INFO L481 AbstractCegarLoop]: Abstraction has 2114 states and 3176 transitions. [2018-10-24 21:45:47,682 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 21:45:47,682 INFO L276 IsEmpty]: Start isEmpty. Operand 2114 states and 3176 transitions. [2018-10-24 21:45:47,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-24 21:45:47,687 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:45:47,687 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 21:45:47,687 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:45:47,688 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:45:47,688 INFO L82 PathProgramCache]: Analyzing trace with hash -821821196, now seen corresponding path program 1 times [2018-10-24 21:45:47,688 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:45:47,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:45:47,689 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:45:47,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:45:47,690 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:45:47,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:45:47,896 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:45:47,896 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:45:47,897 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 21:45:47,897 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:45:47,897 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 21:45:47,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 21:45:47,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 21:45:47,898 INFO L87 Difference]: Start difference. First operand 2114 states and 3176 transitions. Second operand 4 states. [2018-10-24 21:45:54,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:45:54,326 INFO L93 Difference]: Finished difference Result 7960 states and 12498 transitions. [2018-10-24 21:45:54,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 21:45:54,328 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 144 [2018-10-24 21:45:54,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:45:54,374 INFO L225 Difference]: With dead ends: 7960 [2018-10-24 21:45:54,374 INFO L226 Difference]: Without dead ends: 5852 [2018-10-24 21:45:54,401 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 21:45:54,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5852 states. [2018-10-24 21:45:54,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5852 to 5847. [2018-10-24 21:45:54,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5847 states. [2018-10-24 21:45:54,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5847 states to 5847 states and 8250 transitions. [2018-10-24 21:45:54,591 INFO L78 Accepts]: Start accepts. Automaton has 5847 states and 8250 transitions. Word has length 144 [2018-10-24 21:45:54,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:45:54,591 INFO L481 AbstractCegarLoop]: Abstraction has 5847 states and 8250 transitions. [2018-10-24 21:45:54,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 21:45:54,592 INFO L276 IsEmpty]: Start isEmpty. Operand 5847 states and 8250 transitions. [2018-10-24 21:45:54,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-10-24 21:45:54,597 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:45:54,597 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 21:45:54,597 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:45:54,600 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:45:54,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1828676958, now seen corresponding path program 1 times [2018-10-24 21:45:54,600 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:45:54,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:45:54,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:45:54,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:45:54,602 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:45:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:45:54,920 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 21:45:55,133 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:45:55,133 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:45:55,133 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 21:45:55,133 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:45:55,134 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 21:45:55,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 21:45:55,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 21:45:55,135 INFO L87 Difference]: Start difference. First operand 5847 states and 8250 transitions. Second operand 6 states. [2018-10-24 21:46:02,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:46:02,870 INFO L93 Difference]: Finished difference Result 13535 states and 18800 transitions. [2018-10-24 21:46:02,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 21:46:02,871 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2018-10-24 21:46:02,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:46:02,916 INFO L225 Difference]: With dead ends: 13535 [2018-10-24 21:46:02,916 INFO L226 Difference]: Without dead ends: 7694 [2018-10-24 21:46:02,961 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 21:46:02,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7694 states. [2018-10-24 21:46:03,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7694 to 7637. [2018-10-24 21:46:03,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7637 states. [2018-10-24 21:46:03,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7637 states to 7637 states and 9974 transitions. [2018-10-24 21:46:03,323 INFO L78 Accepts]: Start accepts. Automaton has 7637 states and 9974 transitions. Word has length 163 [2018-10-24 21:46:03,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:46:03,323 INFO L481 AbstractCegarLoop]: Abstraction has 7637 states and 9974 transitions. [2018-10-24 21:46:03,323 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 21:46:03,324 INFO L276 IsEmpty]: Start isEmpty. Operand 7637 states and 9974 transitions. [2018-10-24 21:46:03,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-24 21:46:03,330 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:46:03,330 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:46:03,330 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:46:03,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:46:03,335 INFO L82 PathProgramCache]: Analyzing trace with hash -1511566985, now seen corresponding path program 1 times [2018-10-24 21:46:03,335 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:46:03,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:46:03,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:46:03,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:46:03,336 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:46:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:46:03,693 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-24 21:46:03,693 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:46:03,694 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 21:46:03,694 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:46:03,695 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 21:46:03,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 21:46:03,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 21:46:03,695 INFO L87 Difference]: Start difference. First operand 7637 states and 9974 transitions. Second operand 4 states. [2018-10-24 21:46:13,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:46:13,460 INFO L93 Difference]: Finished difference Result 24611 states and 33192 transitions. [2018-10-24 21:46:13,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 21:46:13,461 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 218 [2018-10-24 21:46:13,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:46:13,543 INFO L225 Difference]: With dead ends: 24611 [2018-10-24 21:46:13,543 INFO L226 Difference]: Without dead ends: 16980 [2018-10-24 21:46:13,595 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 21:46:13,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16980 states. [2018-10-24 21:46:13,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16980 to 16350. [2018-10-24 21:46:13,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16350 states. [2018-10-24 21:46:14,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16350 states to 16350 states and 21038 transitions. [2018-10-24 21:46:14,021 INFO L78 Accepts]: Start accepts. Automaton has 16350 states and 21038 transitions. Word has length 218 [2018-10-24 21:46:14,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:46:14,022 INFO L481 AbstractCegarLoop]: Abstraction has 16350 states and 21038 transitions. [2018-10-24 21:46:14,022 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 21:46:14,022 INFO L276 IsEmpty]: Start isEmpty. Operand 16350 states and 21038 transitions. [2018-10-24 21:46:14,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-10-24 21:46:14,037 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:46:14,037 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 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 21:46:14,037 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:46:14,038 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:46:14,038 INFO L82 PathProgramCache]: Analyzing trace with hash -2117532615, now seen corresponding path program 1 times [2018-10-24 21:46:14,038 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:46:14,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:46:14,039 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:46:14,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:46:14,040 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:46:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:46:14,731 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 117 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-10-24 21:46:14,732 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 21:46:14,732 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 21:46:14,733 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 245 with the following transitions: [2018-10-24 21:46:14,737 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [477], [479], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [617], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [714], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-10-24 21:46:14,826 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 21:46:14,826 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 21:46:17,082 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 21:46:17,965 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 21:46:17,967 INFO L272 AbstractInterpreter]: Visited 105 different actions 105 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-24 21:46:18,012 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:46:18,013 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 21:46:20,380 INFO L232 lantSequenceWeakener]: Weakened 236 states. On average, predicates are now at 78.22% of their original sizes. [2018-10-24 21:46:20,381 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 21:46:20,809 INFO L413 sIntCurrentIteration]: We have 243 unified AI predicates [2018-10-24 21:46:20,809 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 21:46:20,810 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 21:46:20,811 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2018-10-24 21:46:20,811 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:46:20,811 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-24 21:46:20,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-24 21:46:20,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-10-24 21:46:20,812 INFO L87 Difference]: Start difference. First operand 16350 states and 21038 transitions. Second operand 8 states. [2018-10-24 21:47:57,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:47:57,896 INFO L93 Difference]: Finished difference Result 33004 states and 42439 transitions. [2018-10-24 21:47:57,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 21:47:57,896 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 244 [2018-10-24 21:47:57,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:47:57,963 INFO L225 Difference]: With dead ends: 33004 [2018-10-24 21:47:57,963 INFO L226 Difference]: Without dead ends: 16660 [2018-10-24 21:47:58,011 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 245 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-10-24 21:47:58,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16660 states. [2018-10-24 21:47:58,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16660 to 16658. [2018-10-24 21:47:58,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16658 states. [2018-10-24 21:47:58,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16658 states to 16658 states and 21355 transitions. [2018-10-24 21:47:58,420 INFO L78 Accepts]: Start accepts. Automaton has 16658 states and 21355 transitions. Word has length 244 [2018-10-24 21:47:58,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:47:58,421 INFO L481 AbstractCegarLoop]: Abstraction has 16658 states and 21355 transitions. [2018-10-24 21:47:58,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-24 21:47:58,421 INFO L276 IsEmpty]: Start isEmpty. Operand 16658 states and 21355 transitions. [2018-10-24 21:47:58,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-10-24 21:47:58,439 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:47:58,439 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:47:58,440 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:47:58,440 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:47:58,440 INFO L82 PathProgramCache]: Analyzing trace with hash -264173853, now seen corresponding path program 1 times [2018-10-24 21:47:58,441 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:47:58,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:47:58,442 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:47:58,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:47:58,442 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:47:58,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:47:59,721 WARN L179 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-24 21:48:00,050 WARN L179 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-10-24 21:48:00,227 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 252 proven. 169 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-24 21:48:00,227 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 21:48:00,227 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 21:48:00,227 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 341 with the following transitions: [2018-10-24 21:48:00,228 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [477], [479], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [617], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [691], [692], [696], [707], [711], [714], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-10-24 21:48:00,235 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 21:48:00,235 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 21:48:01,372 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 21:48:07,937 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 21:48:07,938 INFO L272 AbstractInterpreter]: Visited 109 different actions 314 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-24 21:48:07,947 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:48:07,947 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 21:48:11,136 INFO L232 lantSequenceWeakener]: Weakened 70 states. On average, predicates are now at 77.73% of their original sizes. [2018-10-24 21:48:11,137 INFO L411 sIntCurrentIteration]: Unifying AI predicates Received shutdown request... [2018-10-24 21:49:11,867 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 21:49:11,871 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 21:49:11,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:49:11 BoogieIcfgContainer [2018-10-24 21:49:11,872 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 21:49:11,874 INFO L168 Benchmark]: Toolchain (without parser) took 235491.60 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 2.8 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-10-24 21:49:11,875 INFO L168 Benchmark]: CDTParser took 0.20 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. [2018-10-24 21:49:11,875 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1291.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. [2018-10-24 21:49:11,876 INFO L168 Benchmark]: Boogie Procedure Inliner took 383.17 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 761.8 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -887.0 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. [2018-10-24 21:49:11,877 INFO L168 Benchmark]: Boogie Preprocessor took 221.24 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2018-10-24 21:49:11,878 INFO L168 Benchmark]: RCFGBuilder took 9416.60 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 326.9 MB). Peak memory consumption was 326.9 MB. Max. memory is 7.1 GB. [2018-10-24 21:49:11,879 INFO L168 Benchmark]: TraceAbstraction took 224171.93 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.9 GB in the beginning and 2.8 GB in the end (delta: -925.2 MB). Peak memory consumption was 953.8 MB. Max. memory is 7.1 GB. [2018-10-24 21:49:11,884 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 1291.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 383.17 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 761.8 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -887.0 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 221.24 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 9416.60 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 326.9 MB). Peak memory consumption was 326.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 224171.93 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.9 GB in the beginning and 2.8 GB in the end (delta: -925.2 MB). Peak memory consumption was 953.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 175]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 175). Cancelled while BasicCegarLoop was analyzing trace of length 341 with TraceHistMax 4,while AbsIntCurrentIteration was generating AI predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 13 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 224.0s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 140.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1658 SDtfs, 6411 SDslu, 1504 SDs, 0 SdLazy, 11914 SolverSat, 2625 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 105.4s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 280 GetRequests, 252 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16658occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 11.0s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9958009612032472 AbsIntWeakeningRatio, 0.09965635738831616 AbsIntAvgWeakeningVarsNumRemoved, 591.0996563573883 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 758 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 968 NumberOfCodeBlocks, 968 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 962 ConstructedInterpolants, 0 QuantifiedInterpolants, 479991 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 545/547 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown