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_label28_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 21:49:14,211 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 21:49:14,213 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 21:49:14,227 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 21:49:14,227 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 21:49:14,229 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 21:49:14,230 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 21:49:14,234 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 21:49:14,238 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 21:49:14,238 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 21:49:14,239 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 21:49:14,240 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 21:49:14,240 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 21:49:14,243 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 21:49:14,253 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 21:49:14,254 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 21:49:14,254 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 21:49:14,259 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 21:49:14,261 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 21:49:14,264 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 21:49:14,267 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 21:49:14,269 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 21:49:14,271 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 21:49:14,271 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 21:49:14,271 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 21:49:14,274 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 21:49:14,275 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 21:49:14,276 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 21:49:14,276 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 21:49:14,277 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 21:49:14,278 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 21:49:14,278 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 21:49:14,278 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 21:49:14,279 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 21:49:14,282 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 21:49:14,283 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 21:49:14,283 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 21:49:14,311 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 21:49:14,311 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 21:49:14,312 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 21:49:14,313 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 21:49:14,313 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 21:49:14,313 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 21:49:14,313 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 21:49:14,314 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 21:49:14,314 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 21:49:14,314 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 21:49:14,314 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 21:49:14,314 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 21:49:14,315 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 21:49:14,315 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 21:49:14,316 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 21:49:14,316 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 21:49:14,316 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 21:49:14,316 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 21:49:14,317 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 21:49:14,317 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 21:49:14,317 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 21:49:14,317 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 21:49:14,317 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 21:49:14,318 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 21:49:14,318 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 21:49:14,318 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 21:49:14,318 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 21:49:14,318 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 21:49:14,319 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 21:49:14,319 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 21:49:14,319 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 21:49:14,319 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 21:49:14,319 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 21:49:14,320 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 21:49:14,363 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 21:49:14,378 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 21:49:14,382 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 21:49:14,384 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 21:49:14,384 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 21:49:14,385 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label28_true-unreach-call.c [2018-10-24 21:49:14,449 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/5687de269/dd942cf2c7a941b8b965968958dc9812/FLAGaee73a141 [2018-10-24 21:49:15,131 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 21:49:15,132 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label28_true-unreach-call.c [2018-10-24 21:49:15,156 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/5687de269/dd942cf2c7a941b8b965968958dc9812/FLAGaee73a141 [2018-10-24 21:49:15,179 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/5687de269/dd942cf2c7a941b8b965968958dc9812 [2018-10-24 21:49:15,191 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 21:49:15,193 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 21:49:15,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 21:49:15,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 21:49:15,198 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 21:49:15,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:49:15" (1/1) ... [2018-10-24 21:49:15,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b78fa2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:15, skipping insertion in model container [2018-10-24 21:49:15,204 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:49:15" (1/1) ... [2018-10-24 21:49:15,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 21:49:15,319 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 21:49:16,073 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 21:49:16,079 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 21:49:16,362 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 21:49:16,382 INFO L193 MainTranslator]: Completed translation [2018-10-24 21:49:16,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:16 WrapperNode [2018-10-24 21:49:16,383 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 21:49:16,384 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 21:49:16,385 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 21:49:16,385 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 21:49:16,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:16" (1/1) ... [2018-10-24 21:49:16,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:16" (1/1) ... [2018-10-24 21:49:16,810 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 21:49:16,811 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 21:49:16,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 21:49:16,811 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 21:49:16,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:16" (1/1) ... [2018-10-24 21:49:16,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:16" (1/1) ... [2018-10-24 21:49:16,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:16" (1/1) ... [2018-10-24 21:49:16,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:16" (1/1) ... [2018-10-24 21:49:16,913 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:16" (1/1) ... [2018-10-24 21:49:16,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:16" (1/1) ... [2018-10-24 21:49:16,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:16" (1/1) ... [2018-10-24 21:49:17,017 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 21:49:17,017 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 21:49:17,018 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 21:49:17,018 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 21:49:17,019 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:16" (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 21:49:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 21:49:17,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 21:49:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 21:49:17,088 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 21:49:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 21:49:17,088 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 21:49:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 21:49:17,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 21:49:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 21:49:17,089 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 21:49:25,691 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 21:49:25,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:49:25 BoogieIcfgContainer [2018-10-24 21:49:25,692 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 21:49:25,697 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 21:49:25,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 21:49:25,701 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 21:49:25,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:49:15" (1/3) ... [2018-10-24 21:49:25,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cebb4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:49:25, skipping insertion in model container [2018-10-24 21:49:25,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:16" (2/3) ... [2018-10-24 21:49:25,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cebb4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:49:25, skipping insertion in model container [2018-10-24 21:49:25,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:49:25" (3/3) ... [2018-10-24 21:49:25,706 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label28_true-unreach-call.c [2018-10-24 21:49:25,716 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 21:49:25,730 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 21:49:25,750 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 21:49:25,794 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 21:49:25,794 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 21:49:25,794 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 21:49:25,794 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 21:49:25,794 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 21:49:25,795 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 21:49:25,795 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 21:49:25,795 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 21:49:25,834 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-10-24 21:49:25,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-24 21:49:25,842 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:49:25,843 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] [2018-10-24 21:49:25,845 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:49:25,850 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:49:25,850 INFO L82 PathProgramCache]: Analyzing trace with hash 339561401, now seen corresponding path program 1 times [2018-10-24 21:49:25,853 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:49:25,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:49:25,910 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:49:25,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:49:25,910 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:49:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:49:26,310 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 21:49:26,312 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:49:26,312 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 21:49:26,313 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:49:26,319 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 21:49:26,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 21:49:26,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 21:49:26,338 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 3 states. [2018-10-24 21:49:32,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:49:32,003 INFO L93 Difference]: Finished difference Result 1194 states and 2152 transitions. [2018-10-24 21:49:32,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 21:49:32,004 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2018-10-24 21:49:32,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:49:32,031 INFO L225 Difference]: With dead ends: 1194 [2018-10-24 21:49:32,032 INFO L226 Difference]: Without dead ends: 754 [2018-10-24 21:49:32,042 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 21:49:32,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2018-10-24 21:49:32,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 752. [2018-10-24 21:49:32,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 752 states. [2018-10-24 21:49:32,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1325 transitions. [2018-10-24 21:49:32,257 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1325 transitions. Word has length 39 [2018-10-24 21:49:32,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:49:32,258 INFO L481 AbstractCegarLoop]: Abstraction has 752 states and 1325 transitions. [2018-10-24 21:49:32,258 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 21:49:32,258 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1325 transitions. [2018-10-24 21:49:32,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-24 21:49:32,265 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:49:32,265 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:49:32,266 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:49:32,266 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:49:32,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1690148053, now seen corresponding path program 1 times [2018-10-24 21:49:32,266 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:49:32,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:49:32,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:49:32,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:49:32,268 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:49:32,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:49:32,770 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:49:32,771 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:49:32,771 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 21:49:32,772 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:49:32,773 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 21:49:32,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 21:49:32,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-24 21:49:32,775 INFO L87 Difference]: Start difference. First operand 752 states and 1325 transitions. Second operand 6 states. [2018-10-24 21:49:49,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:49:49,571 INFO L93 Difference]: Finished difference Result 2839 states and 5159 transitions. [2018-10-24 21:49:49,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 21:49:49,574 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 113 [2018-10-24 21:49:49,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:49:49,597 INFO L225 Difference]: With dead ends: 2839 [2018-10-24 21:49:49,597 INFO L226 Difference]: Without dead ends: 2093 [2018-10-24 21:49:49,605 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 [2018-10-24 21:49:49,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2093 states. [2018-10-24 21:49:49,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2093 to 2055. [2018-10-24 21:49:49,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2055 states. [2018-10-24 21:49:49,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2055 states to 2055 states and 3404 transitions. [2018-10-24 21:49:49,719 INFO L78 Accepts]: Start accepts. Automaton has 2055 states and 3404 transitions. Word has length 113 [2018-10-24 21:49:49,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:49:49,719 INFO L481 AbstractCegarLoop]: Abstraction has 2055 states and 3404 transitions. [2018-10-24 21:49:49,719 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 21:49:49,720 INFO L276 IsEmpty]: Start isEmpty. Operand 2055 states and 3404 transitions. [2018-10-24 21:49:49,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-24 21:49:49,726 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:49:49,727 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:49:49,727 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:49:49,727 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:49:49,728 INFO L82 PathProgramCache]: Analyzing trace with hash 55667084, now seen corresponding path program 1 times [2018-10-24 21:49:49,728 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:49:49,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:49:49,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:49:49,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:49:49,730 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:49:49,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:49:50,003 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:49:50,004 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:49:50,004 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 21:49:50,004 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:49:50,005 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 21:49:50,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 21:49:50,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 21:49:50,005 INFO L87 Difference]: Start difference. First operand 2055 states and 3404 transitions. Second operand 5 states. [2018-10-24 21:49:58,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:49:58,170 INFO L93 Difference]: Finished difference Result 6122 states and 10301 transitions. [2018-10-24 21:49:58,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 21:49:58,171 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 116 [2018-10-24 21:49:58,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:49:58,201 INFO L225 Difference]: With dead ends: 6122 [2018-10-24 21:49:58,201 INFO L226 Difference]: Without dead ends: 4073 [2018-10-24 21:49:58,213 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 21:49:58,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4073 states. [2018-10-24 21:49:58,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4073 to 3996. [2018-10-24 21:49:58,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3996 states. [2018-10-24 21:49:58,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3996 states to 3996 states and 5874 transitions. [2018-10-24 21:49:58,344 INFO L78 Accepts]: Start accepts. Automaton has 3996 states and 5874 transitions. Word has length 116 [2018-10-24 21:49:58,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:49:58,344 INFO L481 AbstractCegarLoop]: Abstraction has 3996 states and 5874 transitions. [2018-10-24 21:49:58,345 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 21:49:58,345 INFO L276 IsEmpty]: Start isEmpty. Operand 3996 states and 5874 transitions. [2018-10-24 21:49:58,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-24 21:49:58,348 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:49:58,348 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:49:58,348 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:49:58,348 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:49:58,348 INFO L82 PathProgramCache]: Analyzing trace with hash 1327529950, now seen corresponding path program 1 times [2018-10-24 21:49:58,349 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:49:58,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:49:58,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:49:58,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:49:58,350 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:49:58,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:49:58,620 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 21:49:58,679 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:49:58,680 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:49:58,680 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 21:49:58,680 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:49:58,681 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 21:49:58,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 21:49:58,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 21:49:58,681 INFO L87 Difference]: Start difference. First operand 3996 states and 5874 transitions. Second operand 6 states. [2018-10-24 21:50:05,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:50:05,282 INFO L93 Difference]: Finished difference Result 11083 states and 16941 transitions. [2018-10-24 21:50:05,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 21:50:05,282 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 126 [2018-10-24 21:50:05,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:50:05,329 INFO L225 Difference]: With dead ends: 11083 [2018-10-24 21:50:05,330 INFO L226 Difference]: Without dead ends: 7093 [2018-10-24 21:50:05,365 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 21:50:05,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7093 states. [2018-10-24 21:50:05,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7093 to 6984. [2018-10-24 21:50:05,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6984 states. [2018-10-24 21:50:05,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6984 states to 6984 states and 9527 transitions. [2018-10-24 21:50:05,576 INFO L78 Accepts]: Start accepts. Automaton has 6984 states and 9527 transitions. Word has length 126 [2018-10-24 21:50:05,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:50:05,576 INFO L481 AbstractCegarLoop]: Abstraction has 6984 states and 9527 transitions. [2018-10-24 21:50:05,577 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 21:50:05,577 INFO L276 IsEmpty]: Start isEmpty. Operand 6984 states and 9527 transitions. [2018-10-24 21:50:05,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-24 21:50:05,580 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:50:05,581 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:50:05,581 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:50:05,581 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:50:05,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1824244347, now seen corresponding path program 1 times [2018-10-24 21:50:05,582 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:50:05,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:50:05,583 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:50:05,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:50:05,583 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:50:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:50:05,942 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:50:05,943 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:50:05,943 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 21:50:05,943 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:50:05,944 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 21:50:05,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 21:50:05,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 21:50:05,945 INFO L87 Difference]: Start difference. First operand 6984 states and 9527 transitions. Second operand 5 states. [2018-10-24 21:50:19,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:50:19,101 INFO L93 Difference]: Finished difference Result 18666 states and 26327 transitions. [2018-10-24 21:50:19,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 21:50:19,102 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2018-10-24 21:50:19,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:50:19,170 INFO L225 Difference]: With dead ends: 18666 [2018-10-24 21:50:19,174 INFO L226 Difference]: Without dead ends: 11688 [2018-10-24 21:50:19,218 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 [2018-10-24 21:50:19,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11688 states. [2018-10-24 21:50:19,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11688 to 11527. [2018-10-24 21:50:19,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11527 states. [2018-10-24 21:50:19,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11527 states to 11527 states and 15503 transitions. [2018-10-24 21:50:19,528 INFO L78 Accepts]: Start accepts. Automaton has 11527 states and 15503 transitions. Word has length 136 [2018-10-24 21:50:19,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:50:19,528 INFO L481 AbstractCegarLoop]: Abstraction has 11527 states and 15503 transitions. [2018-10-24 21:50:19,528 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 21:50:19,529 INFO L276 IsEmpty]: Start isEmpty. Operand 11527 states and 15503 transitions. [2018-10-24 21:50:19,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-10-24 21:50:19,532 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:50:19,532 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:50:19,532 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:50:19,533 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:50:19,533 INFO L82 PathProgramCache]: Analyzing trace with hash 298084566, now seen corresponding path program 1 times [2018-10-24 21:50:19,533 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:50:19,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:50:19,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:50:19,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:50:19,534 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:50:19,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:50:20,115 WARN L179 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 15 [2018-10-24 21:50:20,258 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:50:20,258 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 21:50:20,258 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 21:50:20,259 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 152 with the following transitions: [2018-10-24 21:50:20,261 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], [285], [287], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-10-24 21:50:20,335 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 21:50:20,335 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 21:50:22,718 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 21:50:22,719 INFO L272 AbstractInterpreter]: Visited 116 different actions 116 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-24 21:50:22,758 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:50:22,758 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 21:50:24,154 INFO L232 lantSequenceWeakener]: Weakened 146 states. On average, predicates are now at 78.02% of their original sizes. [2018-10-24 21:50:24,154 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 21:50:24,485 INFO L413 sIntCurrentIteration]: We have 150 unified AI predicates [2018-10-24 21:50:24,486 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 21:50:24,486 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 21:50:24,487 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2018-10-24 21:50:24,487 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:50:24,487 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-24 21:50:24,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-24 21:50:24,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-10-24 21:50:24,488 INFO L87 Difference]: Start difference. First operand 11527 states and 15503 transitions. Second operand 8 states. [2018-10-24 21:50:28,210 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 21:51:03,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:51:03,917 INFO L93 Difference]: Finished difference Result 23041 states and 30996 transitions. [2018-10-24 21:51:03,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 21:51:03,917 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 151 [2018-10-24 21:51:03,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:51:03,957 INFO L225 Difference]: With dead ends: 23041 [2018-10-24 21:51:03,957 INFO L226 Difference]: Without dead ends: 11520 [2018-10-24 21:51:03,991 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 152 GetRequests, 144 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 21:51:04,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11520 states. [2018-10-24 21:51:04,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11520 to 11518. [2018-10-24 21:51:04,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11518 states. [2018-10-24 21:51:04,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11518 states to 11518 states and 15462 transitions. [2018-10-24 21:51:04,236 INFO L78 Accepts]: Start accepts. Automaton has 11518 states and 15462 transitions. Word has length 151 [2018-10-24 21:51:04,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:51:04,236 INFO L481 AbstractCegarLoop]: Abstraction has 11518 states and 15462 transitions. [2018-10-24 21:51:04,237 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-24 21:51:04,237 INFO L276 IsEmpty]: Start isEmpty. Operand 11518 states and 15462 transitions. [2018-10-24 21:51:04,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-10-24 21:51:04,242 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:51:04,242 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 21:51:04,243 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:51:04,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:51:04,243 INFO L82 PathProgramCache]: Analyzing trace with hash -1643772052, now seen corresponding path program 1 times [2018-10-24 21:51:04,244 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:51:04,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:51:04,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:51:04,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:51:04,245 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:51:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:51:05,170 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 158 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:51:05,171 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 21:51:05,171 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 21:51:05,171 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 248 with the following transitions: [2018-10-24 21:51:05,172 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], [285], [287], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [691], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-10-24 21:51:05,178 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 21:51:05,178 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 21:51:07,364 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 21:51:14,448 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 21:51:14,449 INFO L272 AbstractInterpreter]: Visited 120 different actions 347 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 21:51:14,459 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:51:14,459 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 21:51:17,174 INFO L232 lantSequenceWeakener]: Weakened 76 states. On average, predicates are now at 79.13% of their original sizes. [2018-10-24 21:51:17,174 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 21:52:09,184 INFO L413 sIntCurrentIteration]: We have 246 unified AI predicates [2018-10-24 21:52:09,184 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 21:52:09,185 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 21:52:09,185 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [11] total 28 [2018-10-24 21:52:09,185 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:52:09,186 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-10-24 21:52:09,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-10-24 21:52:09,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2018-10-24 21:52:09,187 INFO L87 Difference]: Start difference. First operand 11518 states and 15462 transitions. Second operand 19 states. Received shutdown request... [2018-10-24 21:53:09,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-10-24 21:53:09,402 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 21:53:09,407 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 21:53:09,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:53:09 BoogieIcfgContainer [2018-10-24 21:53:09,408 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 21:53:09,409 INFO L168 Benchmark]: Toolchain (without parser) took 234216.94 ms. Allocated memory was 1.5 GB in the beginning and 3.9 GB in the end (delta: 2.4 GB). Free memory was 1.4 GB in the beginning and 3.4 GB in the end (delta: -2.0 GB). Peak memory consumption was 460.6 MB. Max. memory is 7.1 GB. [2018-10-24 21:53:09,410 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 21:53:09,411 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1189.58 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 21:53:09,412 INFO L168 Benchmark]: Boogie Procedure Inliner took 426.45 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 739.8 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -855.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. [2018-10-24 21:53:09,413 INFO L168 Benchmark]: Boogie Preprocessor took 206.06 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. [2018-10-24 21:53:09,413 INFO L168 Benchmark]: RCFGBuilder took 8674.66 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 296.1 MB). Peak memory consumption was 296.1 MB. Max. memory is 7.1 GB. [2018-10-24 21:53:09,414 INFO L168 Benchmark]: TraceAbstraction took 223710.58 ms. Allocated memory was 2.3 GB in the beginning and 3.9 GB in the end (delta: 1.7 GB). Free memory was 1.8 GB in the beginning and 3.4 GB in the end (delta: -1.5 GB). Peak memory consumption was 145.9 MB. Max. memory is 7.1 GB. [2018-10-24 21:53:09,420 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1189.58 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 426.45 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 739.8 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -855.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 206.06 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8674.66 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 296.1 MB). Peak memory consumption was 296.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 223710.58 ms. Allocated memory was 2.3 GB in the beginning and 3.9 GB in the end (delta: 1.7 GB). Free memory was 1.8 GB in the beginning and 3.4 GB in the end (delta: -1.5 GB). Peak memory consumption was 145.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 103]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 103). Cancelled while BasicCegarLoop was constructing difference of abstraction (11518states) and FLOYD_HOARE automaton (currently 17 states, 19 states before enhancement),while ReachableStatesComputation was computing reachable states (173 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 223.6s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 150.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1339 SDtfs, 8302 SDslu, 1286 SDs, 0 SdLazy, 13347 SolverSat, 2799 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 75.7s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 451 GetRequests, 331 SyntacticMatches, 59 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 56.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11527occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 11.7s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9949037476211389 AbsIntWeakeningRatio, 0.11616161616161616 AbsIntAvgWeakeningVarsNumRemoved, 439.8611111111111 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 389 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 928 NumberOfCodeBlocks, 928 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 921 ConstructedInterpolants, 0 QuantifiedInterpolants, 998824 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 286/320 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown