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/Problem19_label41_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 23:57:11,249 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 23:57:11,251 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 23:57:11,267 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 23:57:11,267 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 23:57:11,269 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 23:57:11,271 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 23:57:11,273 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 23:57:11,276 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 23:57:11,276 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 23:57:11,279 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 23:57:11,279 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 23:57:11,280 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 23:57:11,281 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 23:57:11,285 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 23:57:11,285 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 23:57:11,286 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 23:57:11,297 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 23:57:11,300 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 23:57:11,301 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 23:57:11,306 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 23:57:11,308 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 23:57:11,312 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 23:57:11,312 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 23:57:11,313 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 23:57:11,315 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 23:57:11,316 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 23:57:11,317 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 23:57:11,320 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 23:57:11,321 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 23:57:11,321 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 23:57:11,322 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-24 23:57:11,326 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 23:57:11,352 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 23:57:11,353 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 23:57:11,354 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 23:57:11,354 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 23:57:11,355 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 23:57:11,355 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 23:57:11,355 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-24 23:57:11,355 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 23:57:11,356 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-24 23:57:11,356 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 23:57:11,356 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 23:57:11,356 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 23:57:11,356 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 23:57:11,357 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 23:57:11,357 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 23:57:11,358 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 23:57:11,359 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 23:57:11,359 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 23:57:11,359 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 23:57:11,359 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 23:57:11,360 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 23:57:11,360 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 23:57:11,360 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 23:57:11,360 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 23:57:11,361 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 23:57:11,361 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 23:57:11,361 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 23:57:11,361 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 23:57:11,361 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 23:57:11,362 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 23:57:11,362 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 23:57:11,362 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 23:57:11,362 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 23:57:11,362 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 23:57:11,363 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 23:57:11,363 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 23:57:11,417 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 23:57:11,432 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 23:57:11,437 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 23:57:11,439 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 23:57:11,439 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 23:57:11,441 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label41_false-unreach-call.c [2018-10-24 23:57:11,516 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/835e4541a/73261c47a3c14ce69148413e1a9adaa9/FLAG7ab1a8c8b [2018-10-24 23:57:12,393 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 23:57:12,394 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label41_false-unreach-call.c [2018-10-24 23:57:12,442 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/835e4541a/73261c47a3c14ce69148413e1a9adaa9/FLAG7ab1a8c8b [2018-10-24 23:57:12,461 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/835e4541a/73261c47a3c14ce69148413e1a9adaa9 [2018-10-24 23:57:12,474 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 23:57:12,476 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 23:57:12,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 23:57:12,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 23:57:12,481 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 23:57:12,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:57:12" (1/1) ... [2018-10-24 23:57:12,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1462e15c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:57:12, skipping insertion in model container [2018-10-24 23:57:12,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:57:12" (1/1) ... [2018-10-24 23:57:12,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 23:57:12,756 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 23:57:14,730 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 23:57:14,735 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 23:57:15,804 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 23:57:15,857 INFO L193 MainTranslator]: Completed translation [2018-10-24 23:57:15,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:57:15 WrapperNode [2018-10-24 23:57:15,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 23:57:15,860 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 23:57:15,860 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 23:57:15,860 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 23:57:15,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:57:15" (1/1) ... [2018-10-24 23:57:15,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:57:15" (1/1) ... [2018-10-24 23:57:16,619 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 23:57:16,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 23:57:16,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 23:57:16,620 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 23:57:16,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:57:15" (1/1) ... [2018-10-24 23:57:16,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:57:15" (1/1) ... [2018-10-24 23:57:16,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:57:15" (1/1) ... [2018-10-24 23:57:16,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:57:15" (1/1) ... [2018-10-24 23:57:16,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:57:15" (1/1) ... [2018-10-24 23:57:16,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:57:15" (1/1) ... [2018-10-24 23:57:16,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:57:15" (1/1) ... [2018-10-24 23:57:17,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 23:57:17,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 23:57:17,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 23:57:17,069 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 23:57:17,071 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:57:15" (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 23:57:17,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 23:57:17,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 23:57:17,129 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-10-24 23:57:17,129 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-10-24 23:57:17,130 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-10-24 23:57:17,130 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-10-24 23:57:17,130 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-24 23:57:17,130 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-24 23:57:17,130 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-24 23:57:17,130 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-24 23:57:17,131 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 23:57:17,131 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 23:57:17,131 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 23:57:17,131 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 23:57:17,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 23:57:17,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 23:57:17,132 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 23:57:17,132 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 23:57:35,898 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 23:57:35,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:57:35 BoogieIcfgContainer [2018-10-24 23:57:35,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 23:57:35,900 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 23:57:35,900 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 23:57:35,904 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 23:57:35,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:57:12" (1/3) ... [2018-10-24 23:57:35,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e61efdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:57:35, skipping insertion in model container [2018-10-24 23:57:35,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:57:15" (2/3) ... [2018-10-24 23:57:35,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e61efdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:57:35, skipping insertion in model container [2018-10-24 23:57:35,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:57:35" (3/3) ... [2018-10-24 23:57:35,908 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label41_false-unreach-call.c [2018-10-24 23:57:35,918 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 23:57:35,930 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 23:57:35,948 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 23:57:36,003 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 23:57:36,004 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 23:57:36,004 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 23:57:36,004 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 23:57:36,004 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 23:57:36,004 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 23:57:36,005 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 23:57:36,005 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 23:57:36,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-10-24 23:57:36,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-24 23:57:36,075 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:57:36,076 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:57:36,078 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:57:36,084 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:57:36,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1574832434, now seen corresponding path program 1 times [2018-10-24 23:57:36,086 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:57:36,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:57:36,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:57:36,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:57:36,134 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:57:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:57:36,440 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 23:57:36,443 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:57:36,443 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 23:57:36,443 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:57:36,450 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 23:57:36,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 23:57:36,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 23:57:36,473 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-10-24 23:57:54,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:57:54,279 INFO L93 Difference]: Finished difference Result 4998 states and 9417 transitions. [2018-10-24 23:57:54,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 23:57:54,284 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-10-24 23:57:54,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:57:54,336 INFO L225 Difference]: With dead ends: 4998 [2018-10-24 23:57:54,336 INFO L226 Difference]: Without dead ends: 3218 [2018-10-24 23:57:54,349 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 23:57:54,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3218 states. [2018-10-24 23:57:54,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3218 to 3215. [2018-10-24 23:57:54,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3215 states. [2018-10-24 23:57:54,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 5854 transitions. [2018-10-24 23:57:54,578 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 5854 transitions. Word has length 13 [2018-10-24 23:57:54,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:57:54,579 INFO L481 AbstractCegarLoop]: Abstraction has 3215 states and 5854 transitions. [2018-10-24 23:57:54,579 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 23:57:54,579 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 5854 transitions. [2018-10-24 23:57:54,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-24 23:57:54,584 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:57:54,585 INFO L375 BasicCegarLoop]: trace histogram [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 23:57:54,585 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:57:54,586 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:57:54,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1078306428, now seen corresponding path program 1 times [2018-10-24 23:57:54,586 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:57:54,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:57:54,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:57:54,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:57:54,588 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:57:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:57:55,039 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 23:57:55,427 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:57:55,427 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:57:55,428 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 23:57:55,428 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:57:55,430 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 23:57:55,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 23:57:55,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 23:57:55,431 INFO L87 Difference]: Start difference. First operand 3215 states and 5854 transitions. Second operand 6 states. [2018-10-24 23:58:25,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:58:25,384 INFO L93 Difference]: Finished difference Result 9340 states and 16946 transitions. [2018-10-24 23:58:25,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 23:58:25,394 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-10-24 23:58:25,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:58:25,427 INFO L225 Difference]: With dead ends: 9340 [2018-10-24 23:58:25,428 INFO L226 Difference]: Without dead ends: 6131 [2018-10-24 23:58:25,439 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 23:58:25,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6131 states. [2018-10-24 23:58:25,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6131 to 6091. [2018-10-24 23:58:25,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6091 states. [2018-10-24 23:58:25,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6091 states to 6091 states and 9637 transitions. [2018-10-24 23:58:25,599 INFO L78 Accepts]: Start accepts. Automaton has 6091 states and 9637 transitions. Word has length 85 [2018-10-24 23:58:25,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:58:25,600 INFO L481 AbstractCegarLoop]: Abstraction has 6091 states and 9637 transitions. [2018-10-24 23:58:25,600 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 23:58:25,601 INFO L276 IsEmpty]: Start isEmpty. Operand 6091 states and 9637 transitions. [2018-10-24 23:58:25,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-24 23:58:25,607 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:58:25,607 INFO L375 BasicCegarLoop]: trace histogram [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 23:58:25,607 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:58:25,607 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:58:25,608 INFO L82 PathProgramCache]: Analyzing trace with hash 479691079, now seen corresponding path program 1 times [2018-10-24 23:58:25,608 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:58:25,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:58:25,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:58:25,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:58:25,609 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:58:25,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:58:25,879 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:58:25,879 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:58:25,880 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 23:58:25,880 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:58:25,880 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 23:58:25,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 23:58:25,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 23:58:25,881 INFO L87 Difference]: Start difference. First operand 6091 states and 9637 transitions. Second operand 6 states. [2018-10-24 23:58:55,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:58:55,420 INFO L93 Difference]: Finished difference Result 21091 states and 34228 transitions. [2018-10-24 23:58:55,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 23:58:55,420 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 87 [2018-10-24 23:58:55,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:58:55,507 INFO L225 Difference]: With dead ends: 21091 [2018-10-24 23:58:55,507 INFO L226 Difference]: Without dead ends: 15006 [2018-10-24 23:58:55,532 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 23:58:55,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15006 states. [2018-10-24 23:58:55,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15006 to 14817. [2018-10-24 23:58:55,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14817 states. [2018-10-24 23:58:55,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14817 states to 14817 states and 22424 transitions. [2018-10-24 23:58:55,957 INFO L78 Accepts]: Start accepts. Automaton has 14817 states and 22424 transitions. Word has length 87 [2018-10-24 23:58:55,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:58:55,957 INFO L481 AbstractCegarLoop]: Abstraction has 14817 states and 22424 transitions. [2018-10-24 23:58:55,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 23:58:55,958 INFO L276 IsEmpty]: Start isEmpty. Operand 14817 states and 22424 transitions. [2018-10-24 23:58:55,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-24 23:58:55,961 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:58:55,963 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:58:55,964 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:58:55,964 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:58:55,964 INFO L82 PathProgramCache]: Analyzing trace with hash -1717694456, now seen corresponding path program 1 times [2018-10-24 23:58:55,964 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:58:55,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:58:55,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:58:55,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:58:55,969 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:58:56,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:58:56,512 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:58:56,513 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:58:56,513 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 23:58:56,513 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:58:56,514 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 23:58:56,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 23:58:56,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-24 23:58:56,515 INFO L87 Difference]: Start difference. First operand 14817 states and 22424 transitions. Second operand 6 states. [2018-10-24 23:59:42,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:59:42,625 INFO L93 Difference]: Finished difference Result 58684 states and 93370 transitions. [2018-10-24 23:59:42,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 23:59:42,625 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 109 [2018-10-24 23:59:42,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:59:42,836 INFO L225 Difference]: With dead ends: 58684 [2018-10-24 23:59:42,836 INFO L226 Difference]: Without dead ends: 43873 [2018-10-24 23:59:43,228 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-24 23:59:43,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43873 states. [2018-10-24 23:59:44,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43873 to 43779. [2018-10-24 23:59:44,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43779 states. [2018-10-24 23:59:44,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43779 states to 43779 states and 63270 transitions. [2018-10-24 23:59:44,239 INFO L78 Accepts]: Start accepts. Automaton has 43779 states and 63270 transitions. Word has length 109 [2018-10-24 23:59:44,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:59:44,240 INFO L481 AbstractCegarLoop]: Abstraction has 43779 states and 63270 transitions. [2018-10-24 23:59:44,240 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 23:59:44,241 INFO L276 IsEmpty]: Start isEmpty. Operand 43779 states and 63270 transitions. [2018-10-24 23:59:44,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-24 23:59:44,243 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:59:44,243 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:59:44,243 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:59:44,250 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:59:44,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1341909252, now seen corresponding path program 1 times [2018-10-24 23:59:44,251 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:59:44,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:44,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:59:44,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:44,252 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:59:44,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:59:44,571 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:59:44,571 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:59:44,572 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 23:59:44,572 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:59:44,572 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 23:59:44,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 23:59:44,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 23:59:44,573 INFO L87 Difference]: Start difference. First operand 43779 states and 63270 transitions. Second operand 5 states. [2018-10-25 00:00:16,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:00:16,262 INFO L93 Difference]: Finished difference Result 132704 states and 204448 transitions. [2018-10-25 00:00:16,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-25 00:00:16,264 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 118 [2018-10-25 00:00:16,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:00:16,648 INFO L225 Difference]: With dead ends: 132704 [2018-10-25 00:00:16,649 INFO L226 Difference]: Without dead ends: 88931 [2018-10-25 00:00:16,782 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-25 00:00:16,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88931 states. [2018-10-25 00:00:18,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88931 to 88211. [2018-10-25 00:00:18,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88211 states. [2018-10-25 00:00:18,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88211 states to 88211 states and 122120 transitions. [2018-10-25 00:00:18,747 INFO L78 Accepts]: Start accepts. Automaton has 88211 states and 122120 transitions. Word has length 118 [2018-10-25 00:00:18,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:00:18,747 INFO L481 AbstractCegarLoop]: Abstraction has 88211 states and 122120 transitions. [2018-10-25 00:00:18,747 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-25 00:00:18,747 INFO L276 IsEmpty]: Start isEmpty. Operand 88211 states and 122120 transitions. [2018-10-25 00:00:18,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-25 00:00:18,753 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:00:18,753 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:00:18,753 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:00:18,756 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:00:18,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1075108293, now seen corresponding path program 1 times [2018-10-25 00:00:18,757 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:00:18,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:00:18,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:00:18,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:00:18,758 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:00:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:00:19,048 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 00:00:19,978 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:00:19,978 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:00:19,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-25 00:00:19,979 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:00:19,979 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 00:00:19,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 00:00:19,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 00:00:19,980 INFO L87 Difference]: Start difference. First operand 88211 states and 122120 transitions. Second operand 6 states. [2018-10-25 00:00:45,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:00:45,364 INFO L93 Difference]: Finished difference Result 208099 states and 304645 transitions. [2018-10-25 00:00:45,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-25 00:00:45,365 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 146 [2018-10-25 00:00:45,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:00:45,833 INFO L225 Difference]: With dead ends: 208099 [2018-10-25 00:00:45,833 INFO L226 Difference]: Without dead ends: 119894 [2018-10-25 00:00:46,032 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-25 00:00:46,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119894 states. [2018-10-25 00:00:49,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119894 to 119539. [2018-10-25 00:00:49,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119539 states. [2018-10-25 00:00:49,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119539 states to 119539 states and 161777 transitions. [2018-10-25 00:00:49,422 INFO L78 Accepts]: Start accepts. Automaton has 119539 states and 161777 transitions. Word has length 146 [2018-10-25 00:00:49,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:00:49,423 INFO L481 AbstractCegarLoop]: Abstraction has 119539 states and 161777 transitions. [2018-10-25 00:00:49,423 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 00:00:49,423 INFO L276 IsEmpty]: Start isEmpty. Operand 119539 states and 161777 transitions. [2018-10-25 00:00:49,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-10-25 00:00:49,427 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:00:49,427 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:00:49,427 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:00:49,428 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:00:49,428 INFO L82 PathProgramCache]: Analyzing trace with hash -138434246, now seen corresponding path program 1 times [2018-10-25 00:00:49,428 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:00:49,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:00:49,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:00:49,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:00:49,429 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:00:49,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:00:49,667 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 00:00:49,706 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-25 00:00:49,707 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:00:49,707 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:00:49,708 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 185 with the following transitions: [2018-10-25 00:00:49,710 INFO L202 CegarAbsIntRunner]: [0], [1], [5227], [5230], [5232], [5235], [5243], [5251], [5259], [5267], [5275], [5283], [5291], [5299], [5307], [5315], [5323], [5331], [5339], [5347], [5355], [5363], [5371], [5379], [5387], [5395], [5403], [5411], [5419], [5427], [5435], [5443], [5451], [5459], [5467], [5475], [5483], [5491], [5499], [5507], [5515], [5523], [5531], [5539], [5547], [5555], [5563], [5571], [5579], [5587], [5595], [5603], [5611], [5619], [5627], [5635], [5643], [5651], [5659], [5667], [5675], [5683], [5691], [5699], [5707], [5715], [5719], [5722], [5726], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5823], [5827], [5838], [5842], [5846], [5850], [5854], [5858], [5862], [5866], [5870], [5874], [5877], [6802], [6806], [6810], [6816], [6820], [6822], [6837], [6838], [6839], [6841], [6842] [2018-10-25 00:00:49,769 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:00:49,770 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:00:50,319 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:00:50,321 INFO L272 AbstractInterpreter]: Visited 104 different actions 104 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-25 00:00:50,333 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:00:50,333 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:00:50,782 INFO L232 lantSequenceWeakener]: Weakened 173 states. On average, predicates are now at 74.83% of their original sizes. [2018-10-25 00:00:50,782 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:00:50,986 INFO L413 sIntCurrentIteration]: We have 183 unified AI predicates [2018-10-25 00:00:50,987 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:00:50,988 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:00:50,988 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-10-25 00:00:50,988 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:00:50,989 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 00:00:50,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 00:00:50,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 00:00:50,989 INFO L87 Difference]: Start difference. First operand 119539 states and 161777 transitions. Second operand 6 states. Received shutdown request... [2018-10-25 00:01:03,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-25 00:01:03,339 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-25 00:01:03,345 WARN L205 ceAbstractionStarter]: Timeout [2018-10-25 00:01:03,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 12:01:03 BoogieIcfgContainer [2018-10-25 00:01:03,345 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-25 00:01:03,346 INFO L168 Benchmark]: Toolchain (without parser) took 230871.44 ms. Allocated memory was 1.5 GB in the beginning and 3.9 GB in the end (delta: 2.3 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -348.3 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-10-25 00:01:03,347 INFO L168 Benchmark]: CDTParser took 0.26 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 00:01:03,348 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3381.63 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 391.1 MB). Peak memory consumption was 391.1 MB. Max. memory is 7.1 GB. [2018-10-25 00:01:03,348 INFO L168 Benchmark]: Boogie Procedure Inliner took 759.60 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 871.4 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 117.0 MB. Max. memory is 7.1 GB. [2018-10-25 00:01:03,349 INFO L168 Benchmark]: Boogie Preprocessor took 448.48 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 59.4 MB). Peak memory consumption was 59.4 MB. Max. memory is 7.1 GB. [2018-10-25 00:01:03,350 INFO L168 Benchmark]: RCFGBuilder took 18830.26 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 162.5 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 502.3 MB). Peak memory consumption was 664.8 MB. Max. memory is 7.1 GB. [2018-10-25 00:01:03,351 INFO L168 Benchmark]: TraceAbstraction took 207445.39 ms. Allocated memory was 2.6 GB in the beginning and 3.9 GB in the end (delta: 1.3 GB). Free memory was 1.7 GB in the beginning and 1.8 GB in the end (delta: -27.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-10-25 00:01:03,356 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 3381.63 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 391.1 MB). Peak memory consumption was 391.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 759.60 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 871.4 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 117.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 448.48 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 59.4 MB). Peak memory consumption was 59.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 18830.26 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 162.5 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 502.3 MB). Peak memory consumption was 664.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 207445.39 ms. Allocated memory was 2.6 GB in the beginning and 3.9 GB in the end (delta: 1.3 GB). Free memory was 1.7 GB in the beginning and 1.8 GB in the end (delta: -27.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 34]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 34). Cancelled while BasicCegarLoop was constructing difference of abstraction (119539states) and FLOYD_HOARE automaton (currently 6 states, 6 states before enhancement),while ReachableStatesComputation was computing reachable states (7930 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 207.3s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 194.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3688 SDtfs, 38776 SDslu, 4273 SDs, 0 SdLazy, 66060 SolverSat, 15589 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 160.9s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 236 GetRequests, 193 SyntacticMatches, 5 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119539occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.6s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9974153509435051 AbsIntWeakeningRatio, 0.15300546448087432 AbsIntAvgWeakeningVarsNumRemoved, 16.80327868852459 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 7.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 1401 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 742 NumberOfCodeBlocks, 742 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 735 ConstructedInterpolants, 0 QuantifiedInterpolants, 462566 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 47/112 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown