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/Problem17_label56_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-24 02:08:56,119 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 02:08:56,121 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 02:08:56,144 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 02:08:56,144 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 02:08:56,146 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 02:08:56,150 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 02:08:56,152 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 02:08:56,155 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 02:08:56,162 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 02:08:56,163 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 02:08:56,164 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 02:08:56,165 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 02:08:56,166 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 02:08:56,167 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 02:08:56,168 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 02:08:56,169 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 02:08:56,171 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 02:08:56,173 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 02:08:56,174 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 02:08:56,175 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 02:08:56,177 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 02:08:56,179 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 02:08:56,188 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 02:08:56,203 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 02:08:56,206 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 02:08:56,207 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 02:08:56,208 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 02:08:56,208 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 02:08:56,208 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 02:08:56,208 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 02:08:56,208 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 02:08:56,209 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 02:08:56,209 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 02:08:56,210 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 02:08:56,210 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 02:08:56,211 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 02:08:56,212 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 02:08:56,212 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 02:08:56,212 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 02:08:56,212 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 02:08:56,212 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 02:08:56,213 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 02:08:56,213 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 02:08:56,213 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 02:08:56,213 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 02:08:56,215 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 02:08:56,215 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 02:08:56,215 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 02:08:56,215 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 02:08:56,216 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 02:08:56,216 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 02:08:56,216 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 02:08:56,216 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 02:08:56,216 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 02:08:56,216 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 02:08:56,217 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 02:08:56,217 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 02:08:56,264 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 02:08:56,277 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 02:08:56,281 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 02:08:56,282 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 02:08:56,283 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 02:08:56,284 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label56_true-unreach-call.c [2018-10-24 02:08:56,348 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ac77d65b7/5f5d2713f6c14925851cad8a58eddda4/FLAGa853dfcc3 [2018-10-24 02:08:57,104 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 02:08:57,105 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label56_true-unreach-call.c [2018-10-24 02:08:57,136 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ac77d65b7/5f5d2713f6c14925851cad8a58eddda4/FLAGa853dfcc3 [2018-10-24 02:08:57,156 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ac77d65b7/5f5d2713f6c14925851cad8a58eddda4 [2018-10-24 02:08:57,170 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 02:08:57,172 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 02:08:57,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 02:08:57,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 02:08:57,181 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 02:08:57,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:08:57" (1/1) ... [2018-10-24 02:08:57,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61cf1b32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:08:57, skipping insertion in model container [2018-10-24 02:08:57,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:08:57" (1/1) ... [2018-10-24 02:08:57,200 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 02:08:57,319 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 02:08:58,373 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 02:08:58,380 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 02:08:58,780 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 02:08:58,810 INFO L193 MainTranslator]: Completed translation [2018-10-24 02:08:58,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:08:58 WrapperNode [2018-10-24 02:08:58,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 02:08:58,812 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 02:08:58,812 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 02:08:58,812 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 02:08:58,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:08:58" (1/1) ... [2018-10-24 02:08:58,890 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:08:58" (1/1) ... [2018-10-24 02:08:59,289 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 02:08:59,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 02:08:59,290 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 02:08:59,290 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 02:08:59,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:08:58" (1/1) ... [2018-10-24 02:08:59,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:08:58" (1/1) ... [2018-10-24 02:08:59,335 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:08:58" (1/1) ... [2018-10-24 02:08:59,336 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:08:58" (1/1) ... [2018-10-24 02:08:59,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:08:58" (1/1) ... [2018-10-24 02:08:59,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:08:58" (1/1) ... [2018-10-24 02:08:59,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:08:58" (1/1) ... [2018-10-24 02:08:59,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 02:08:59,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 02:08:59,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 02:08:59,530 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 02:08:59,531 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:08:58" (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 02:08:59,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 02:08:59,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 02:08:59,605 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 02:08:59,605 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 02:08:59,605 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 02:08:59,606 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 02:08:59,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 02:08:59,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 02:08:59,606 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 02:08:59,606 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 02:09:16,456 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 02:09:16,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:09:16 BoogieIcfgContainer [2018-10-24 02:09:16,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 02:09:16,460 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 02:09:16,460 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 02:09:16,464 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 02:09:16,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 02:08:57" (1/3) ... [2018-10-24 02:09:16,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d15dc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:09:16, skipping insertion in model container [2018-10-24 02:09:16,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:08:58" (2/3) ... [2018-10-24 02:09:16,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d15dc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:09:16, skipping insertion in model container [2018-10-24 02:09:16,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:09:16" (3/3) ... [2018-10-24 02:09:16,468 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label56_true-unreach-call.c [2018-10-24 02:09:16,478 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 02:09:16,489 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 02:09:16,506 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 02:09:16,554 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 02:09:16,554 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 02:09:16,554 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 02:09:16,554 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 02:09:16,555 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 02:09:16,555 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 02:09:16,555 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 02:09:16,555 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 02:09:16,594 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-10-24 02:09:16,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-24 02:09:16,605 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 02:09:16,607 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 02:09:16,609 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 02:09:16,618 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:09:16,618 INFO L82 PathProgramCache]: Analyzing trace with hash -813169730, now seen corresponding path program 1 times [2018-10-24 02:09:16,622 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 02:09:16,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:09:16,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:09:16,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:09:16,671 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 02:09:16,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:09:17,261 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 02:09:17,264 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 02:09:17,264 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 02:09:17,264 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 02:09:17,271 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 02:09:17,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 02:09:17,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 02:09:17,291 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 4 states. [2018-10-24 02:09:31,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 02:09:31,049 INFO L93 Difference]: Finished difference Result 2125 states and 3954 transitions. [2018-10-24 02:09:31,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 02:09:31,052 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 73 [2018-10-24 02:09:31,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 02:09:31,083 INFO L225 Difference]: With dead ends: 2125 [2018-10-24 02:09:31,083 INFO L226 Difference]: Without dead ends: 1515 [2018-10-24 02:09:31,096 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 02:09:31,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2018-10-24 02:09:31,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1043. [2018-10-24 02:09:31,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1043 states. [2018-10-24 02:09:31,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 1647 transitions. [2018-10-24 02:09:31,251 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 1647 transitions. Word has length 73 [2018-10-24 02:09:31,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 02:09:31,252 INFO L481 AbstractCegarLoop]: Abstraction has 1043 states and 1647 transitions. [2018-10-24 02:09:31,252 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 02:09:31,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1647 transitions. [2018-10-24 02:09:31,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-10-24 02:09:31,262 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 02:09:31,263 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 02:09:31,263 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 02:09:31,263 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:09:31,264 INFO L82 PathProgramCache]: Analyzing trace with hash -840736881, now seen corresponding path program 1 times [2018-10-24 02:09:31,264 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 02:09:31,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:09:31,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:09:31,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:09:31,266 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 02:09:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:09:31,535 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 02:09:31,536 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 02:09:31,536 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 02:09:31,536 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 02:09:31,538 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 02:09:31,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 02:09:31,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 02:09:31,539 INFO L87 Difference]: Start difference. First operand 1043 states and 1647 transitions. Second operand 5 states. [2018-10-24 02:09:44,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 02:09:44,161 INFO L93 Difference]: Finished difference Result 3017 states and 4847 transitions. [2018-10-24 02:09:44,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 02:09:44,162 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 145 [2018-10-24 02:09:44,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 02:09:44,179 INFO L225 Difference]: With dead ends: 3017 [2018-10-24 02:09:44,180 INFO L226 Difference]: Without dead ends: 1980 [2018-10-24 02:09:44,186 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 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 02:09:44,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1980 states. [2018-10-24 02:09:44,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1980 to 1954. [2018-10-24 02:09:44,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1954 states. [2018-10-24 02:09:44,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1954 states to 1954 states and 2892 transitions. [2018-10-24 02:09:44,266 INFO L78 Accepts]: Start accepts. Automaton has 1954 states and 2892 transitions. Word has length 145 [2018-10-24 02:09:44,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 02:09:44,266 INFO L481 AbstractCegarLoop]: Abstraction has 1954 states and 2892 transitions. [2018-10-24 02:09:44,267 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 02:09:44,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2892 transitions. [2018-10-24 02:09:44,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-10-24 02:09:44,279 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 02:09:44,279 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 02:09:44,279 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 02:09:44,280 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:09:44,280 INFO L82 PathProgramCache]: Analyzing trace with hash 1157485801, now seen corresponding path program 1 times [2018-10-24 02:09:44,280 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 02:09:44,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:09:44,281 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:09:44,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:09:44,282 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 02:09:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:09:44,669 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 02:09:44,669 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 02:09:44,669 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 02:09:44,671 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 149 with the following transitions: [2018-10-24 02:09:44,673 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [726], [734], [742], [750], [758], [766], [774], [782], [790], [798], [806], [814], [822], [830], [838], [846], [854], [862], [870], [878], [886], [894], [902], [910], [918], [926], [934], [942], [950], [958], [966], [974], [982], [990], [998], [1006], [1014], [1022], [1030], [1038], [1046], [1054], [1062], [1070], [1078], [1086], [1094], [1102], [1110], [1118], [1126], [1134], [1142], [1150], [1158], [1166], [1174], [1182], [1190], [1194], [1196], [1199], [1204], [1208], [1212], [1216], [1220], [1223], [2279], [2283], [2287], [2293], [2297], [2299], [2306], [2307], [2308], [2310], [2311] [2018-10-24 02:09:44,738 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 02:09:44,738 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 02:09:46,166 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 02:10:07,112 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-24 02:10:07,114 INFO L272 AbstractInterpreter]: Visited 83 different actions 543 times. Merged at 5 different actions 30 times. Widened at 1 different actions 2 times. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-10-24 02:10:07,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:10:07,130 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-24 02:10:07,130 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 02:10:07,131 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 02:10:07,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:10:07,143 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-24 02:10:07,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:10:07,220 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 02:10:32,055 WARN L179 SmtUtils]: Spent 24.27 s on a formula simplification. DAG size of input: 135 DAG size of output: 98 [2018-10-24 02:10:52,393 WARN L179 SmtUtils]: Spent 16.10 s on a formula simplification. DAG size of input: 98 DAG size of output: 73 [2018-10-24 02:10:53,106 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 4 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 02:10:53,106 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-24 02:10:53,570 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-10-24 02:10:57,826 WARN L179 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 133 DAG size of output: 16 [2018-10-24 02:10:57,914 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 28 [2018-10-24 02:11:00,821 WARN L179 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 26 [2018-10-24 02:11:01,170 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 02:11:01,205 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-10-24 02:11:01,206 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 15 [2018-10-24 02:11:01,206 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 02:11:01,207 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 02:11:01,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 02:11:01,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=162, Unknown=3, NotChecked=0, Total=210 [2018-10-24 02:11:01,207 INFO L87 Difference]: Start difference. First operand 1954 states and 2892 transitions. Second operand 6 states. [2018-10-24 02:12:12,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 02:12:12,438 INFO L93 Difference]: Finished difference Result 7541 states and 11526 transitions. [2018-10-24 02:12:12,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-24 02:12:12,439 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 148 [2018-10-24 02:12:12,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 02:12:12,478 INFO L225 Difference]: With dead ends: 7541 [2018-10-24 02:12:12,479 INFO L226 Difference]: Without dead ends: 5593 [2018-10-24 02:12:12,497 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 290 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 52.6s TimeCoverageRelationStatistics Valid=45, Invalid=162, Unknown=3, NotChecked=0, Total=210 [2018-10-24 02:12:12,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5593 states. [2018-10-24 02:12:12,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5593 to 5550. [2018-10-24 02:12:12,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5550 states. [2018-10-24 02:12:12,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5550 states to 5550 states and 8023 transitions. [2018-10-24 02:12:12,672 INFO L78 Accepts]: Start accepts. Automaton has 5550 states and 8023 transitions. Word has length 148 [2018-10-24 02:12:12,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 02:12:12,676 INFO L481 AbstractCegarLoop]: Abstraction has 5550 states and 8023 transitions. [2018-10-24 02:12:12,676 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 02:12:12,676 INFO L276 IsEmpty]: Start isEmpty. Operand 5550 states and 8023 transitions. [2018-10-24 02:12:12,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-10-24 02:12:12,682 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 02:12:12,682 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 02:12:12,683 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 02:12:12,683 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:12:12,683 INFO L82 PathProgramCache]: Analyzing trace with hash -792846689, now seen corresponding path program 1 times [2018-10-24 02:12:12,683 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 02:12:12,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:12:12,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:12:12,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:12:12,685 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 02:12:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:12:12,948 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 02:12:12,949 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 02:12:12,949 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 02:12:12,949 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 02:12:12,949 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 02:12:12,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 02:12:12,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 02:12:12,950 INFO L87 Difference]: Start difference. First operand 5550 states and 8023 transitions. Second operand 6 states. [2018-10-24 02:12:19,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 02:12:19,192 INFO L93 Difference]: Finished difference Result 13853 states and 20336 transitions. [2018-10-24 02:12:19,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 02:12:19,197 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 153 [2018-10-24 02:12:19,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 02:12:19,247 INFO L225 Difference]: With dead ends: 13853 [2018-10-24 02:12:19,247 INFO L226 Difference]: Without dead ends: 8309 [2018-10-24 02:12:19,280 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 02:12:19,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8309 states. [2018-10-24 02:12:19,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8309 to 8246. [2018-10-24 02:12:19,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8246 states. [2018-10-24 02:12:19,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8246 states to 8246 states and 10573 transitions. [2018-10-24 02:12:19,509 INFO L78 Accepts]: Start accepts. Automaton has 8246 states and 10573 transitions. Word has length 153 [2018-10-24 02:12:19,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 02:12:19,510 INFO L481 AbstractCegarLoop]: Abstraction has 8246 states and 10573 transitions. [2018-10-24 02:12:19,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 02:12:19,510 INFO L276 IsEmpty]: Start isEmpty. Operand 8246 states and 10573 transitions. [2018-10-24 02:12:19,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-24 02:12:19,513 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 02:12:19,514 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 02:12:19,514 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 02:12:19,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:12:19,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1534718255, now seen corresponding path program 1 times [2018-10-24 02:12:19,515 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 02:12:19,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:12:19,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:12:19,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:12:19,516 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 02:12:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:12:19,792 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 02:12:19,945 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 60 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 02:12:19,946 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 02:12:19,946 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 02:12:19,946 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 162 with the following transitions: [2018-10-24 02:12:19,947 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [726], [734], [742], [750], [758], [766], [774], [782], [790], [798], [806], [814], [822], [830], [838], [846], [854], [862], [870], [878], [886], [894], [902], [910], [918], [926], [934], [942], [950], [958], [966], [974], [982], [990], [998], [1006], [1014], [1022], [1030], [1038], [1046], [1054], [1062], [1070], [1078], [1086], [1094], [1102], [1110], [1118], [1126], [1134], [1142], [1150], [1158], [1166], [1174], [1182], [1190], [1194], [1196], [1199], [1204], [1208], [1212], [1216], [1220], [1224], [1228], [1232], [1236], [1240], [1244], [1255], [1259], [1263], [1267], [1271], [1275], [1279], [1282], [2279], [2283], [2287], [2293], [2297], [2299], [2306], [2307], [2308], [2310], [2311] [2018-10-24 02:12:19,958 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 02:12:19,959 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 02:12:21,285 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 02:12:30,017 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-24 02:12:30,018 INFO L272 AbstractInterpreter]: Visited 96 different actions 273 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-10-24 02:12:30,054 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:12:30,054 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-24 02:12:30,054 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 02:12:30,054 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 02:12:30,066 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:12:30,066 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-24 02:12:30,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:12:30,149 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 02:12:30,319 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 02:12:30,319 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-24 02:12:30,470 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 02:12:30,553 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-10-24 02:12:30,553 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7] total 8 [2018-10-24 02:12:30,553 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 02:12:30,554 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 02:12:30,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 02:12:30,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-10-24 02:12:30,555 INFO L87 Difference]: Start difference. First operand 8246 states and 10573 transitions. Second operand 3 states. [2018-10-24 02:12:35,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 02:12:35,320 INFO L93 Difference]: Finished difference Result 16925 states and 21767 transitions. [2018-10-24 02:12:35,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 02:12:35,323 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2018-10-24 02:12:35,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 02:12:35,370 INFO L225 Difference]: With dead ends: 16925 [2018-10-24 02:12:35,370 INFO L226 Difference]: Without dead ends: 8685 [2018-10-24 02:12:35,434 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 321 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-10-24 02:12:35,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8685 states. [2018-10-24 02:12:35,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8685 to 8682. [2018-10-24 02:12:35,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8682 states. [2018-10-24 02:12:35,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8682 states to 8682 states and 10678 transitions. [2018-10-24 02:12:35,639 INFO L78 Accepts]: Start accepts. Automaton has 8682 states and 10678 transitions. Word has length 161 [2018-10-24 02:12:35,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 02:12:35,640 INFO L481 AbstractCegarLoop]: Abstraction has 8682 states and 10678 transitions. [2018-10-24 02:12:35,640 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 02:12:35,640 INFO L276 IsEmpty]: Start isEmpty. Operand 8682 states and 10678 transitions. [2018-10-24 02:12:35,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-10-24 02:12:35,649 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 02:12:35,649 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 02:12:35,649 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 02:12:35,650 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:12:35,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1851802376, now seen corresponding path program 1 times [2018-10-24 02:12:35,650 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 02:12:35,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:12:35,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:12:35,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:12:35,651 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 02:12:35,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:12:36,297 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 137 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-24 02:12:36,297 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 02:12:36,297 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 02:12:36,298 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 238 with the following transitions: [2018-10-24 02:12:36,298 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [726], [734], [742], [750], [758], [766], [774], [782], [790], [798], [806], [814], [822], [830], [838], [846], [854], [862], [870], [878], [886], [894], [902], [910], [918], [926], [934], [942], [950], [958], [966], [974], [982], [990], [998], [1006], [1014], [1022], [1030], [1038], [1046], [1054], [1062], [1070], [1078], [1086], [1094], [1102], [1110], [1118], [1126], [1134], [1142], [1150], [1158], [1166], [1174], [1182], [1190], [1194], [1196], [1199], [1204], [1208], [1212], [1216], [1220], [1224], [1227], [1228], [1232], [1236], [1240], [1244], [1255], [1259], [1263], [1267], [1271], [1275], [1279], [1282], [2279], [2283], [2287], [2293], [2297], [2299], [2306], [2307], [2308], [2310], [2311] [2018-10-24 02:12:36,303 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 02:12:36,303 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 02:12:37,466 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-10-24 02:12:58,228 WARN L572 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-10-24 02:12:58,229 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-10-24 02:12:58,229 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-24 02:12:58,229 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 02:12:58,229 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 02:12:58,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:12:58,239 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-24 02:12:58,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:12:58,325 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 02:12:58,326 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-10-24 02:12:58,527 WARN L522 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 02:12:58,528 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 02:12:58,532 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 02:12:58,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 02:12:58 BoogieIcfgContainer [2018-10-24 02:12:58,533 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 02:12:58,534 INFO L168 Benchmark]: Toolchain (without parser) took 241363.03 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -370.6 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-10-24 02:12:58,535 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 02:12:58,535 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1637.47 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: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. [2018-10-24 02:12:58,536 INFO L168 Benchmark]: Boogie Procedure Inliner took 477.66 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 766.0 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -917.9 MB). Peak memory consumption was 56.1 MB. Max. memory is 7.1 GB. [2018-10-24 02:12:58,537 INFO L168 Benchmark]: Boogie Preprocessor took 239.34 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: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. [2018-10-24 02:12:58,538 INFO L168 Benchmark]: RCFGBuilder took 16929.73 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 466.7 MB). Peak memory consumption was 466.7 MB. Max. memory is 7.1 GB. [2018-10-24 02:12:58,539 INFO L168 Benchmark]: TraceAbstraction took 222072.67 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.7 GB in the beginning and 1.8 GB in the end (delta: -85.0 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-10-24 02:12:58,544 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1637.47 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: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 477.66 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 766.0 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -917.9 MB). Peak memory consumption was 56.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 239.34 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: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 16929.73 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 466.7 MB). Peak memory consumption was 466.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 222072.67 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.7 GB in the beginning and 1.8 GB in the end (delta: -85.0 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 206]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 206). Cancelled while BasicCegarLoop was analyzing trace of length 238 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while XnfDer was eliminating 1 quantified variables from 2 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 604 locations, 1 error locations. TIMEOUT Result, 221.9s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 108.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1846 SDtfs, 7498 SDslu, 1101 SDs, 0 SdLazy, 11874 SolverSat, 3951 SolverUnsat, 25 SolverUnknown, 0 SolverNotchecked, 103.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 660 GetRequests, 619 SyntacticMatches, 7 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 53.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8682occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 54.4s AbstIntTime, 3 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 5 MinimizatonAttempts, 607 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 55.7s InterpolantComputationTime, 989 NumberOfCodeBlocks, 989 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1289 ConstructedInterpolants, 147 QuantifiedInterpolants, 2592361 SizeOfPredicates, 5 NumberOfNonLiveVariables, 615 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 9 InterpolantComputations, 6 PerfectInterpolantSequences, 394/528 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown