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/Problem13_label14_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-24 01:24:44,061 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 01:24:44,063 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 01:24:44,078 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 01:24:44,078 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 01:24:44,080 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 01:24:44,083 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 01:24:44,085 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 01:24:44,088 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 01:24:44,089 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 01:24:44,096 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 01:24:44,096 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 01:24:44,097 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 01:24:44,101 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 01:24:44,103 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 01:24:44,104 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 01:24:44,104 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 01:24:44,106 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 01:24:44,108 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 01:24:44,109 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 01:24:44,110 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 01:24:44,111 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 01:24:44,114 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 01:24:44,119 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 01:24:44,119 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 01:24:44,120 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 01:24:44,121 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 01:24:44,121 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 01:24:44,139 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 01:24:44,140 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 01:24:44,141 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 01:24:44,141 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 01:24:44,141 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 01:24:44,141 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 01:24:44,141 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 01:24:44,142 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 01:24:44,142 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 01:24:44,142 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 01:24:44,142 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 01:24:44,142 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 01:24:44,143 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 01:24:44,143 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 01:24:44,144 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 01:24:44,144 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 01:24:44,144 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 01:24:44,144 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 01:24:44,144 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 01:24:44,145 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 01:24:44,145 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 01:24:44,145 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 01:24:44,145 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 01:24:44,145 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 01:24:44,146 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 01:24:44,146 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 01:24:44,146 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 01:24:44,146 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 01:24:44,146 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 01:24:44,147 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 01:24:44,147 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 01:24:44,147 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 01:24:44,147 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 01:24:44,148 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 01:24:44,199 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 01:24:44,213 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 01:24:44,217 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 01:24:44,219 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 01:24:44,219 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 01:24:44,220 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label14_true-unreach-call.c [2018-10-24 01:24:44,283 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/5b85081bc/d7367d96c9d24eae83ad67a485e0069a/FLAGcc629f290 [2018-10-24 01:24:45,110 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 01:24:45,111 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label14_true-unreach-call.c [2018-10-24 01:24:45,159 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/5b85081bc/d7367d96c9d24eae83ad67a485e0069a/FLAGcc629f290 [2018-10-24 01:24:45,180 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/5b85081bc/d7367d96c9d24eae83ad67a485e0069a [2018-10-24 01:24:45,196 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 01:24:45,198 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 01:24:45,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 01:24:45,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 01:24:45,207 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 01:24:45,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:24:45" (1/1) ... [2018-10-24 01:24:45,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bc1ab2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:24:45, skipping insertion in model container [2018-10-24 01:24:45,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:24:45" (1/1) ... [2018-10-24 01:24:45,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 01:24:45,409 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 01:24:46,858 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 01:24:46,864 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 01:24:47,653 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 01:24:47,695 INFO L193 MainTranslator]: Completed translation [2018-10-24 01:24:47,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:24:47 WrapperNode [2018-10-24 01:24:47,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 01:24:47,697 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 01:24:47,697 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 01:24:47,697 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 01:24:47,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:24:47" (1/1) ... [2018-10-24 01:24:47,803 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:24:47" (1/1) ... [2018-10-24 01:24:48,329 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 01:24:48,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 01:24:48,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 01:24:48,330 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 01:24:48,342 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:24:47" (1/1) ... [2018-10-24 01:24:48,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:24:47" (1/1) ... [2018-10-24 01:24:48,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:24:47" (1/1) ... [2018-10-24 01:24:48,390 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:24:47" (1/1) ... [2018-10-24 01:24:48,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:24:47" (1/1) ... [2018-10-24 01:24:48,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:24:47" (1/1) ... [2018-10-24 01:24:48,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:24:47" (1/1) ... [2018-10-24 01:24:48,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 01:24:48,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 01:24:48,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 01:24:48,698 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 01:24:48,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:24:47" (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 01:24:48,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 01:24:48,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 01:24:48,783 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-24 01:24:48,783 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-24 01:24:48,783 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-24 01:24:48,783 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-24 01:24:48,783 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 01:24:48,784 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 01:24:48,785 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 01:24:48,785 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 01:24:48,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 01:24:48,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 01:24:48,785 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 01:24:48,786 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 01:24:59,246 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 01:24:59,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:24:59 BoogieIcfgContainer [2018-10-24 01:24:59,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 01:24:59,249 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 01:24:59,249 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 01:24:59,252 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 01:24:59,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:24:45" (1/3) ... [2018-10-24 01:24:59,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69bf9fa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:24:59, skipping insertion in model container [2018-10-24 01:24:59,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:24:47" (2/3) ... [2018-10-24 01:24:59,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69bf9fa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:24:59, skipping insertion in model container [2018-10-24 01:24:59,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:24:59" (3/3) ... [2018-10-24 01:24:59,257 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label14_true-unreach-call.c [2018-10-24 01:24:59,268 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 01:24:59,279 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 01:24:59,298 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 01:24:59,347 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 01:24:59,348 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 01:24:59,348 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 01:24:59,348 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 01:24:59,348 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 01:24:59,348 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 01:24:59,348 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 01:24:59,349 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 01:24:59,400 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-10-24 01:24:59,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-24 01:24:59,409 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:24:59,410 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] [2018-10-24 01:24:59,412 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:24:59,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:24:59,418 INFO L82 PathProgramCache]: Analyzing trace with hash 963614956, now seen corresponding path program 1 times [2018-10-24 01:24:59,421 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:24:59,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:24:59,483 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:24:59,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:24:59,483 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:24:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:24:59,928 WARN L179 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 01:25:00,046 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 01:25:00,050 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:25:00,050 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 01:25:00,051 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:25:00,058 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 01:25:00,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 01:25:00,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 01:25:00,081 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 3 states. [2018-10-24 01:25:08,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:25:08,635 INFO L93 Difference]: Finished difference Result 3097 states and 5707 transitions. [2018-10-24 01:25:08,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 01:25:08,636 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-10-24 01:25:08,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:25:08,674 INFO L225 Difference]: With dead ends: 3097 [2018-10-24 01:25:08,674 INFO L226 Difference]: Without dead ends: 1975 [2018-10-24 01:25:08,687 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 01:25:08,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1975 states. [2018-10-24 01:25:08,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1975 to 1974. [2018-10-24 01:25:08,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1974 states. [2018-10-24 01:25:08,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1974 states to 1974 states and 3284 transitions. [2018-10-24 01:25:08,862 INFO L78 Accepts]: Start accepts. Automaton has 1974 states and 3284 transitions. Word has length 48 [2018-10-24 01:25:08,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:25:08,863 INFO L481 AbstractCegarLoop]: Abstraction has 1974 states and 3284 transitions. [2018-10-24 01:25:08,864 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 01:25:08,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1974 states and 3284 transitions. [2018-10-24 01:25:08,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-24 01:25:08,877 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:25:08,877 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:25:08,878 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:25:08,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:25:08,878 INFO L82 PathProgramCache]: Analyzing trace with hash -1268878372, now seen corresponding path program 1 times [2018-10-24 01:25:08,878 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:25:08,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:25:08,881 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:25:08,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:25:08,881 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:25:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:25:09,302 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:25:09,302 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:25:09,303 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 01:25:09,303 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:25:09,305 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 01:25:09,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 01:25:09,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 01:25:09,306 INFO L87 Difference]: Start difference. First operand 1974 states and 3284 transitions. Second operand 5 states. [2018-10-24 01:25:36,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:25:36,196 INFO L93 Difference]: Finished difference Result 5736 states and 9691 transitions. [2018-10-24 01:25:36,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 01:25:36,205 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 124 [2018-10-24 01:25:36,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:25:36,241 INFO L225 Difference]: With dead ends: 5736 [2018-10-24 01:25:36,242 INFO L226 Difference]: Without dead ends: 3768 [2018-10-24 01:25:36,249 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 01:25:36,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3768 states. [2018-10-24 01:25:36,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3768 to 3686. [2018-10-24 01:25:36,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3686 states. [2018-10-24 01:25:36,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3686 states to 3686 states and 5660 transitions. [2018-10-24 01:25:36,389 INFO L78 Accepts]: Start accepts. Automaton has 3686 states and 5660 transitions. Word has length 124 [2018-10-24 01:25:36,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:25:36,391 INFO L481 AbstractCegarLoop]: Abstraction has 3686 states and 5660 transitions. [2018-10-24 01:25:36,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 01:25:36,391 INFO L276 IsEmpty]: Start isEmpty. Operand 3686 states and 5660 transitions. [2018-10-24 01:25:36,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-24 01:25:36,404 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:25:36,404 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:25:36,404 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:25:36,405 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:25:36,405 INFO L82 PathProgramCache]: Analyzing trace with hash -594329152, now seen corresponding path program 1 times [2018-10-24 01:25:36,405 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:25:36,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:25:36,407 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:25:36,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:25:36,407 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:25:36,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:25:36,660 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:25:36,660 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:25:36,661 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 01:25:36,661 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:25:36,662 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 01:25:36,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 01:25:36,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 01:25:36,662 INFO L87 Difference]: Start difference. First operand 3686 states and 5660 transitions. Second operand 5 states. [2018-10-24 01:26:06,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:26:06,731 INFO L93 Difference]: Finished difference Result 13666 states and 21761 transitions. [2018-10-24 01:26:06,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 01:26:06,735 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 138 [2018-10-24 01:26:06,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:26:06,797 INFO L225 Difference]: With dead ends: 13666 [2018-10-24 01:26:06,797 INFO L226 Difference]: Without dead ends: 9986 [2018-10-24 01:26:06,824 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 01:26:06,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9986 states. [2018-10-24 01:26:07,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9986 to 9796. [2018-10-24 01:26:07,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9796 states. [2018-10-24 01:26:07,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9796 states to 9796 states and 14501 transitions. [2018-10-24 01:26:07,095 INFO L78 Accepts]: Start accepts. Automaton has 9796 states and 14501 transitions. Word has length 138 [2018-10-24 01:26:07,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:26:07,095 INFO L481 AbstractCegarLoop]: Abstraction has 9796 states and 14501 transitions. [2018-10-24 01:26:07,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 01:26:07,096 INFO L276 IsEmpty]: Start isEmpty. Operand 9796 states and 14501 transitions. [2018-10-24 01:26:07,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-24 01:26:07,100 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:26:07,101 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:26:07,101 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:26:07,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:26:07,101 INFO L82 PathProgramCache]: Analyzing trace with hash -221189476, now seen corresponding path program 1 times [2018-10-24 01:26:07,102 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:26:07,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:26:07,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:26:07,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:26:07,103 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:26:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:26:07,438 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 01:26:07,828 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:26:07,828 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:26:07,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 01:26:07,829 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:26:07,831 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 01:26:07,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 01:26:07,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 01:26:07,832 INFO L87 Difference]: Start difference. First operand 9796 states and 14501 transitions. Second operand 6 states. [2018-10-24 01:26:21,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:26:21,936 INFO L93 Difference]: Finished difference Result 34193 states and 53806 transitions. [2018-10-24 01:26:21,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 01:26:21,937 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 156 [2018-10-24 01:26:21,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:26:22,070 INFO L225 Difference]: With dead ends: 34193 [2018-10-24 01:26:22,071 INFO L226 Difference]: Without dead ends: 24403 [2018-10-24 01:26:22,146 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 01:26:22,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24403 states. [2018-10-24 01:26:22,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24403 to 24170. [2018-10-24 01:26:22,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24170 states. [2018-10-24 01:26:22,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24170 states to 24170 states and 34072 transitions. [2018-10-24 01:26:22,774 INFO L78 Accepts]: Start accepts. Automaton has 24170 states and 34072 transitions. Word has length 156 [2018-10-24 01:26:22,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:26:22,774 INFO L481 AbstractCegarLoop]: Abstraction has 24170 states and 34072 transitions. [2018-10-24 01:26:22,774 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 01:26:22,775 INFO L276 IsEmpty]: Start isEmpty. Operand 24170 states and 34072 transitions. [2018-10-24 01:26:22,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-10-24 01:26:22,780 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:26:22,781 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:26:22,781 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:26:22,781 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:26:22,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1233336343, now seen corresponding path program 1 times [2018-10-24 01:26:22,782 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:26:22,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:26:22,783 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:26:22,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:26:22,783 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:26:22,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:26:23,069 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 01:26:23,448 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:26:23,449 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:26:23,449 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 01:26:23,449 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:26:23,449 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 01:26:23,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 01:26:23,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 01:26:23,450 INFO L87 Difference]: Start difference. First operand 24170 states and 34072 transitions. Second operand 6 states. [2018-10-24 01:26:34,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:26:34,107 INFO L93 Difference]: Finished difference Result 62341 states and 97861 transitions. [2018-10-24 01:26:34,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 01:26:34,116 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 167 [2018-10-24 01:26:34,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:26:34,298 INFO L225 Difference]: With dead ends: 62341 [2018-10-24 01:26:34,298 INFO L226 Difference]: Without dead ends: 38177 [2018-10-24 01:26:34,362 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 01:26:34,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38177 states. [2018-10-24 01:26:35,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38177 to 37980. [2018-10-24 01:26:35,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37980 states. [2018-10-24 01:26:35,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37980 states to 37980 states and 54438 transitions. [2018-10-24 01:26:35,291 INFO L78 Accepts]: Start accepts. Automaton has 37980 states and 54438 transitions. Word has length 167 [2018-10-24 01:26:35,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:26:35,292 INFO L481 AbstractCegarLoop]: Abstraction has 37980 states and 54438 transitions. [2018-10-24 01:26:35,292 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 01:26:35,292 INFO L276 IsEmpty]: Start isEmpty. Operand 37980 states and 54438 transitions. [2018-10-24 01:26:35,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-10-24 01:26:35,299 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:26:35,299 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:26:35,300 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:26:35,300 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:26:35,300 INFO L82 PathProgramCache]: Analyzing trace with hash -1930020088, now seen corresponding path program 1 times [2018-10-24 01:26:35,300 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:26:35,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:26:35,301 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:26:35,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:26:35,304 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:26:35,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:26:35,644 WARN L179 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 01:26:36,048 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:26:36,048 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:26:36,049 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 01:26:36,049 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:26:36,049 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 01:26:36,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 01:26:36,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 01:26:36,051 INFO L87 Difference]: Start difference. First operand 37980 states and 54438 transitions. Second operand 6 states. [2018-10-24 01:26:46,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:26:46,327 INFO L93 Difference]: Finished difference Result 83936 states and 123834 transitions. [2018-10-24 01:26:46,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 01:26:46,327 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 195 [2018-10-24 01:26:46,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:26:46,512 INFO L225 Difference]: With dead ends: 83936 [2018-10-24 01:26:46,512 INFO L226 Difference]: Without dead ends: 45962 [2018-10-24 01:26:46,608 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 01:26:46,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45962 states. [2018-10-24 01:26:47,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45962 to 45860. [2018-10-24 01:26:47,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45860 states. [2018-10-24 01:26:47,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45860 states to 45860 states and 62659 transitions. [2018-10-24 01:26:47,519 INFO L78 Accepts]: Start accepts. Automaton has 45860 states and 62659 transitions. Word has length 195 [2018-10-24 01:26:47,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:26:47,520 INFO L481 AbstractCegarLoop]: Abstraction has 45860 states and 62659 transitions. [2018-10-24 01:26:47,520 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 01:26:47,520 INFO L276 IsEmpty]: Start isEmpty. Operand 45860 states and 62659 transitions. [2018-10-24 01:26:47,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-10-24 01:26:47,539 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:26:47,540 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 01:26:47,540 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:26:47,540 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:26:47,540 INFO L82 PathProgramCache]: Analyzing trace with hash -559903430, now seen corresponding path program 1 times [2018-10-24 01:26:47,541 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:26:47,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:26:47,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:26:47,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:26:47,542 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:26:47,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:26:48,102 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 156 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:26:48,103 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 01:26:48,103 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 01:26:48,105 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 246 with the following transitions: [2018-10-24 01:26:48,110 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2819], [2827], [2835], [2843], [2851], [2859], [2867], [2875], [2883], [2891], [2899], [2907], [2911], [2913], [2916], [2924], [2932], [2940], [2948], [2956], [2964], [2972], [2980], [2988], [2996], [3004], [3012], [3020], [3028], [3036], [3044], [3052], [3060], [3068], [3076], [3084], [3092], [3100], [3108], [3116], [3121], [3125], [3129], [3133], [3137], [3148], [3151], [3152], [3156], [3160], [3164], [3168], [3179], [3183], [3187], [3191], [3195], [3199], [3203], [3207], [3218], [3222], [3226], [3230], [3234], [3238], [3242], [3246], [3250], [3254], [3258], [3262], [3266], [3270], [3274], [3278], [3282], [3286], [3290], [3294], [3305], [3309], [3313], [3317], [3321], [3325], [3329], [3333], [3344], [3355], [3358], [3361], [3365], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-10-24 01:26:48,205 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 01:26:48,206 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 01:26:56,039 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 01:26:56,041 INFO L272 AbstractInterpreter]: Visited 124 different actions 124 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-24 01:26:56,055 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:26:56,055 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 01:27:01,292 INFO L232 lantSequenceWeakener]: Weakened 222 states. On average, predicates are now at 71.62% of their original sizes. [2018-10-24 01:27:01,292 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 01:27:02,807 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 01:27:02,808 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 01:27:02,808 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-10-24 01:27:02,808 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:27:02,809 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-24 01:27:02,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-24 01:27:02,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-10-24 01:27:02,809 INFO L87 Difference]: Start difference. First operand 45860 states and 62659 transitions. Second operand 11 states. [2018-10-24 01:27:52,328 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-10-24 01:28:30,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-24 01:28:30,510 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 01:28:30,515 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 01:28:30,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 01:28:30 BoogieIcfgContainer [2018-10-24 01:28:30,515 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 01:28:30,516 INFO L168 Benchmark]: Toolchain (without parser) took 225319.71 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 2.9 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-10-24 01:28:30,518 INFO L168 Benchmark]: CDTParser took 0.21 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 01:28:30,518 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2497.06 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. [2018-10-24 01:28:30,519 INFO L168 Benchmark]: Boogie Procedure Inliner took 632.19 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 792.2 MB). Free memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 73.1 MB. Max. memory is 7.1 GB. [2018-10-24 01:28:30,520 INFO L168 Benchmark]: Boogie Preprocessor took 367.91 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 37.4 MB). Peak memory consumption was 37.4 MB. Max. memory is 7.1 GB. [2018-10-24 01:28:30,521 INFO L168 Benchmark]: RCFGBuilder took 10549.97 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 202.4 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: -60.1 kB). Peak memory consumption was 668.5 MB. Max. memory is 7.1 GB. [2018-10-24 01:28:30,522 INFO L168 Benchmark]: TraceAbstraction took 211266.65 ms. Allocated memory was 2.5 GB in the beginning and 4.2 GB in the end (delta: 1.7 GB). Free memory was 2.2 GB in the beginning and 2.9 GB in the end (delta: -752.5 MB). Peak memory consumption was 926.8 MB. Max. memory is 7.1 GB. [2018-10-24 01:28:30,529 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2497.06 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 632.19 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 792.2 MB). Free memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 73.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 367.91 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 37.4 MB). Peak memory consumption was 37.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 10549.97 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 202.4 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: -60.1 kB). Peak memory consumption was 668.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 211266.65 ms. Allocated memory was 2.5 GB in the beginning and 4.2 GB in the end (delta: 1.7 GB). Free memory was 2.2 GB in the beginning and 2.9 GB in the end (delta: -752.5 MB). Peak memory consumption was 926.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 135]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 135). Cancelled while BasicCegarLoop was constructing difference of abstraction (45860states) and FLOYD_HOARE automaton (currently 10 states, 11 states before enhancement),while ReachableStatesComputation was computing reachable states (1382 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 211.1s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 189.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2970 SDtfs, 21311 SDslu, 3325 SDs, 0 SdLazy, 34450 SolverSat, 8104 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 144.7s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 301 GetRequests, 249 SyntacticMatches, 5 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45860occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 7.9s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9961916771752837 AbsIntWeakeningRatio, 0.12295081967213115 AbsIntAvgWeakeningVarsNumRemoved, 32.44672131147541 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 805 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 1073 NumberOfCodeBlocks, 1073 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1066 ConstructedInterpolants, 0 QuantifiedInterpolants, 644302 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 361/363 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown