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_label01_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 21:27:30,246 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 21:27:30,249 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 21:27:30,264 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 21:27:30,265 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 21:27:30,266 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 21:27:30,267 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 21:27:30,269 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 21:27:30,270 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 21:27:30,271 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 21:27:30,272 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 21:27:30,273 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 21:27:30,274 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 21:27:30,275 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 21:27:30,276 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 21:27:30,277 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 21:27:30,277 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 21:27:30,279 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 21:27:30,281 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 21:27:30,283 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 21:27:30,284 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 21:27:30,285 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 21:27:30,288 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 21:27:30,298 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 21:27:30,298 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 21:27:30,299 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 21:27:30,300 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 21:27:30,300 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-24 21:27:30,328 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 21:27:30,328 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 21:27:30,329 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 21:27:30,329 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 21:27:30,329 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 21:27:30,330 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 21:27:30,330 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 21:27:30,330 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 21:27:30,330 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 21:27:30,330 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 21:27:30,331 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 21:27:30,331 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 21:27:30,332 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 21:27:30,332 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 21:27:30,332 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 21:27:30,332 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 21:27:30,332 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 21:27:30,332 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 21:27:30,333 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 21:27:30,333 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 21:27:30,333 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 21:27:30,333 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 21:27:30,333 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 21:27:30,334 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 21:27:30,334 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 21:27:30,334 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 21:27:30,334 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 21:27:30,334 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 21:27:30,335 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 21:27:30,335 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 21:27:30,335 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 21:27:30,335 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 21:27:30,335 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 21:27:30,335 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 21:27:30,403 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 21:27:30,421 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 21:27:30,426 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 21:27:30,427 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 21:27:30,428 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 21:27:30,429 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label01_true-unreach-call.c [2018-10-24 21:27:30,495 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e8005a814/e9915a8f1d854a7288e9b9a9ecbe027c/FLAG4afc53b62 [2018-10-24 21:27:31,333 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 21:27:31,334 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label01_true-unreach-call.c [2018-10-24 21:27:31,367 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e8005a814/e9915a8f1d854a7288e9b9a9ecbe027c/FLAG4afc53b62 [2018-10-24 21:27:31,386 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e8005a814/e9915a8f1d854a7288e9b9a9ecbe027c [2018-10-24 21:27:31,401 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 21:27:31,404 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 21:27:31,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 21:27:31,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 21:27:31,411 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 21:27:31,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:27:31" (1/1) ... [2018-10-24 21:27:31,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e7d78d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:27:31, skipping insertion in model container [2018-10-24 21:27:31,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:27:31" (1/1) ... [2018-10-24 21:27:31,429 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 21:27:31,622 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 21:27:33,059 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 21:27:33,064 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 21:27:33,854 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 21:27:33,887 INFO L193 MainTranslator]: Completed translation [2018-10-24 21:27:33,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:27:33 WrapperNode [2018-10-24 21:27:33,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 21:27:33,889 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 21:27:33,889 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 21:27:33,890 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 21:27:33,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:27:33" (1/1) ... [2018-10-24 21:27:33,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:27:33" (1/1) ... [2018-10-24 21:27:34,462 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 21:27:34,463 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 21:27:34,463 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 21:27:34,463 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 21:27:34,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:27:33" (1/1) ... [2018-10-24 21:27:34,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:27:33" (1/1) ... [2018-10-24 21:27:34,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:27:33" (1/1) ... [2018-10-24 21:27:34,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:27:33" (1/1) ... [2018-10-24 21:27:34,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:27:33" (1/1) ... [2018-10-24 21:27:34,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:27:33" (1/1) ... [2018-10-24 21:27:34,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:27:33" (1/1) ... [2018-10-24 21:27:34,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 21:27:34,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 21:27:34,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 21:27:34,874 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 21:27:34,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:27:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 21:27:34,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 21:27:34,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 21:27:34,946 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-24 21:27:34,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-24 21:27:34,946 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-24 21:27:34,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-24 21:27:34,946 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 21:27:34,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 21:27:34,947 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 21:27:34,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 21:27:34,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 21:27:34,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 21:27:34,948 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 21:27:34,949 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 21:27:47,153 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 21:27:47,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:27:47 BoogieIcfgContainer [2018-10-24 21:27:47,154 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 21:27:47,155 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 21:27:47,155 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 21:27:47,158 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 21:27:47,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:27:31" (1/3) ... [2018-10-24 21:27:47,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aeb709b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:27:47, skipping insertion in model container [2018-10-24 21:27:47,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:27:33" (2/3) ... [2018-10-24 21:27:47,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aeb709b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:27:47, skipping insertion in model container [2018-10-24 21:27:47,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:27:47" (3/3) ... [2018-10-24 21:27:47,162 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label01_true-unreach-call.c [2018-10-24 21:27:47,172 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 21:27:47,184 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 21:27:47,202 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 21:27:47,249 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 21:27:47,249 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 21:27:47,249 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 21:27:47,249 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 21:27:47,249 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 21:27:47,249 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 21:27:47,250 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 21:27:47,250 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 21:27:47,294 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-10-24 21:27:47,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-24 21:27:47,304 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:27:47,305 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] [2018-10-24 21:27:47,309 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:27:47,316 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:27:47,316 INFO L82 PathProgramCache]: Analyzing trace with hash 980545676, now seen corresponding path program 1 times [2018-10-24 21:27:47,319 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:27:47,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:27:47,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:27:47,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:27:47,374 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:27:47,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:27:47,804 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 21:27:47,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:27:47,927 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:27:47,927 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 21:27:47,928 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:27:47,934 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 21:27:47,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 21:27:47,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 21:27:47,956 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 3 states. [2018-10-24 21:27:56,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:27:56,670 INFO L93 Difference]: Finished difference Result 3097 states and 5707 transitions. [2018-10-24 21:27:56,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 21:27:56,672 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2018-10-24 21:27:56,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:27:56,709 INFO L225 Difference]: With dead ends: 3097 [2018-10-24 21:27:56,710 INFO L226 Difference]: Without dead ends: 1975 [2018-10-24 21:27:56,721 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 21:27:56,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1975 states. [2018-10-24 21:27:56,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1975 to 1974. [2018-10-24 21:27:56,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1974 states. [2018-10-24 21:27:56,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1974 states to 1974 states and 3284 transitions. [2018-10-24 21:27:56,935 INFO L78 Accepts]: Start accepts. Automaton has 1974 states and 3284 transitions. Word has length 56 [2018-10-24 21:27:56,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:27:56,936 INFO L481 AbstractCegarLoop]: Abstraction has 1974 states and 3284 transitions. [2018-10-24 21:27:56,936 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 21:27:56,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1974 states and 3284 transitions. [2018-10-24 21:27:56,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-24 21:27:56,948 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:27:56,949 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:27:56,949 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:27:56,949 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:27:56,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1287580412, now seen corresponding path program 1 times [2018-10-24 21:27:56,950 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:27:56,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:27:56,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:27:56,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:27:56,952 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:27:57,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:27:57,200 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:27:57,200 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:27:57,201 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 21:27:57,201 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:27:57,203 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 21:27:57,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 21:27:57,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 21:27:57,204 INFO L87 Difference]: Start difference. First operand 1974 states and 3284 transitions. Second operand 5 states. [2018-10-24 21:28:18,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:28:18,762 INFO L93 Difference]: Finished difference Result 5736 states and 9691 transitions. [2018-10-24 21:28:18,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 21:28:18,765 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2018-10-24 21:28:18,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:28:18,789 INFO L225 Difference]: With dead ends: 5736 [2018-10-24 21:28:18,790 INFO L226 Difference]: Without dead ends: 3768 [2018-10-24 21:28:18,797 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 21:28:18,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3768 states. [2018-10-24 21:28:18,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3768 to 3686. [2018-10-24 21:28:18,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3686 states. [2018-10-24 21:28:18,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3686 states to 3686 states and 5660 transitions. [2018-10-24 21:28:18,903 INFO L78 Accepts]: Start accepts. Automaton has 3686 states and 5660 transitions. Word has length 132 [2018-10-24 21:28:18,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:28:18,904 INFO L481 AbstractCegarLoop]: Abstraction has 3686 states and 5660 transitions. [2018-10-24 21:28:18,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 21:28:18,904 INFO L276 IsEmpty]: Start isEmpty. Operand 3686 states and 5660 transitions. [2018-10-24 21:28:18,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-24 21:28:18,909 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:28:18,910 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:28:18,910 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:28:18,910 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:28:18,910 INFO L82 PathProgramCache]: Analyzing trace with hash 800617696, now seen corresponding path program 1 times [2018-10-24 21:28:18,911 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:28:18,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:28:18,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:28:18,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:28:18,912 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:28:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:28:19,128 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:28:19,128 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:28:19,129 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 21:28:19,129 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:28:19,129 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 21:28:19,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 21:28:19,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 21:28:19,130 INFO L87 Difference]: Start difference. First operand 3686 states and 5660 transitions. Second operand 5 states. [2018-10-24 21:28:47,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:28:47,266 INFO L93 Difference]: Finished difference Result 13666 states and 21761 transitions. [2018-10-24 21:28:47,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 21:28:47,273 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 146 [2018-10-24 21:28:47,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:28:47,347 INFO L225 Difference]: With dead ends: 13666 [2018-10-24 21:28:47,347 INFO L226 Difference]: Without dead ends: 9986 [2018-10-24 21:28:47,377 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 21:28:47,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9986 states. [2018-10-24 21:28:47,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9986 to 9796. [2018-10-24 21:28:47,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9796 states. [2018-10-24 21:28:47,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9796 states to 9796 states and 14501 transitions. [2018-10-24 21:28:47,712 INFO L78 Accepts]: Start accepts. Automaton has 9796 states and 14501 transitions. Word has length 146 [2018-10-24 21:28:47,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:28:47,713 INFO L481 AbstractCegarLoop]: Abstraction has 9796 states and 14501 transitions. [2018-10-24 21:28:47,713 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 21:28:47,713 INFO L276 IsEmpty]: Start isEmpty. Operand 9796 states and 14501 transitions. [2018-10-24 21:28:47,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-10-24 21:28:47,719 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:28:47,719 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:28:47,720 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:28:47,724 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:28:47,724 INFO L82 PathProgramCache]: Analyzing trace with hash -2020564548, now seen corresponding path program 1 times [2018-10-24 21:28:47,724 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:28:47,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:28:47,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:28:47,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:28:47,726 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:28:47,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:28:48,056 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 21:28:48,135 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:28:48,135 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:28:48,135 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 21:28:48,135 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:28:48,136 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 21:28:48,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 21:28:48,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 21:28:48,137 INFO L87 Difference]: Start difference. First operand 9796 states and 14501 transitions. Second operand 6 states. [2018-10-24 21:29:03,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:29:03,980 INFO L93 Difference]: Finished difference Result 34190 states and 53778 transitions. [2018-10-24 21:29:03,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 21:29:03,980 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2018-10-24 21:29:03,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:29:04,108 INFO L225 Difference]: With dead ends: 34190 [2018-10-24 21:29:04,109 INFO L226 Difference]: Without dead ends: 24400 [2018-10-24 21:29:04,180 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 21:29:04,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24400 states. [2018-10-24 21:29:04,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24400 to 24167. [2018-10-24 21:29:04,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24167 states. [2018-10-24 21:29:04,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24167 states to 24167 states and 34058 transitions. [2018-10-24 21:29:04,795 INFO L78 Accepts]: Start accepts. Automaton has 24167 states and 34058 transitions. Word has length 164 [2018-10-24 21:29:04,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:29:04,795 INFO L481 AbstractCegarLoop]: Abstraction has 24167 states and 34058 transitions. [2018-10-24 21:29:04,796 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 21:29:04,796 INFO L276 IsEmpty]: Start isEmpty. Operand 24167 states and 34058 transitions. [2018-10-24 21:29:04,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-10-24 21:29:04,802 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:29:04,802 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:29:04,802 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:29:04,802 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:29:04,803 INFO L82 PathProgramCache]: Analyzing trace with hash -744065737, now seen corresponding path program 1 times [2018-10-24 21:29:04,803 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:29:04,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:29:04,804 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:29:04,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:29:04,804 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:29:04,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:29:05,093 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 21:29:05,496 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:29:05,496 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:29:05,496 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 21:29:05,496 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:29:05,497 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 21:29:05,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 21:29:05,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 21:29:05,498 INFO L87 Difference]: Start difference. First operand 24167 states and 34058 transitions. Second operand 6 states. [2018-10-24 21:29:16,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:29:16,214 INFO L93 Difference]: Finished difference Result 62338 states and 97841 transitions. [2018-10-24 21:29:16,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 21:29:16,218 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 175 [2018-10-24 21:29:16,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:29:16,407 INFO L225 Difference]: With dead ends: 62338 [2018-10-24 21:29:16,407 INFO L226 Difference]: Without dead ends: 38177 [2018-10-24 21:29:16,463 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 21:29:16,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38177 states. [2018-10-24 21:29:17,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38177 to 37980. [2018-10-24 21:29:17,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37980 states. [2018-10-24 21:29:17,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37980 states to 37980 states and 54438 transitions. [2018-10-24 21:29:17,414 INFO L78 Accepts]: Start accepts. Automaton has 37980 states and 54438 transitions. Word has length 175 [2018-10-24 21:29:17,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:29:17,415 INFO L481 AbstractCegarLoop]: Abstraction has 37980 states and 54438 transitions. [2018-10-24 21:29:17,415 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 21:29:17,415 INFO L276 IsEmpty]: Start isEmpty. Operand 37980 states and 54438 transitions. [2018-10-24 21:29:17,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-10-24 21:29:17,423 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:29:17,423 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:29:17,423 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:29:17,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:29:17,424 INFO L82 PathProgramCache]: Analyzing trace with hash 787887912, now seen corresponding path program 1 times [2018-10-24 21:29:17,424 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:29:17,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:29:17,425 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:29:17,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:29:17,425 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:29:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:29:17,744 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 21:29:18,164 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:29:18,165 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:29:18,165 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 21:29:18,165 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:29:18,166 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 21:29:18,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 21:29:18,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 21:29:18,167 INFO L87 Difference]: Start difference. First operand 37980 states and 54438 transitions. Second operand 6 states. [2018-10-24 21:29:27,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:29:27,645 INFO L93 Difference]: Finished difference Result 83936 states and 123834 transitions. [2018-10-24 21:29:27,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 21:29:27,646 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 203 [2018-10-24 21:29:27,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:29:27,854 INFO L225 Difference]: With dead ends: 83936 [2018-10-24 21:29:27,854 INFO L226 Difference]: Without dead ends: 45962 [2018-10-24 21:29:27,947 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 21:29:27,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45962 states. [2018-10-24 21:29:28,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45962 to 45860. [2018-10-24 21:29:28,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45860 states. [2018-10-24 21:29:28,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45860 states to 45860 states and 62659 transitions. [2018-10-24 21:29:28,935 INFO L78 Accepts]: Start accepts. Automaton has 45860 states and 62659 transitions. Word has length 203 [2018-10-24 21:29:28,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:29:28,936 INFO L481 AbstractCegarLoop]: Abstraction has 45860 states and 62659 transitions. [2018-10-24 21:29:28,936 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 21:29:28,936 INFO L276 IsEmpty]: Start isEmpty. Operand 45860 states and 62659 transitions. [2018-10-24 21:29:28,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-10-24 21:29:28,954 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:29:28,954 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, 2, 2, 2, 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 21:29:28,954 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:29:28,955 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:29:28,955 INFO L82 PathProgramCache]: Analyzing trace with hash 334178010, now seen corresponding path program 1 times [2018-10-24 21:29:28,955 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:29:28,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:29:28,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:29:28,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:29:28,963 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:29:29,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:29:29,511 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 172 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:29:29,513 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 21:29:29,513 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 21:29:29,514 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 254 with the following transitions: [2018-10-24 21:29:29,517 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], [2915], [2923], [2931], [2939], [2947], [2955], [2963], [2971], [2975], [2977], [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 21:29:29,614 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 21:29:29,615 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 21:29:36,082 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 21:29:36,084 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 21:29:36,096 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:29:36,096 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 21:29:40,459 INFO L232 lantSequenceWeakener]: Weakened 230 states. On average, predicates are now at 71.74% of their original sizes. [2018-10-24 21:29:40,459 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 21:29:41,947 INFO L413 sIntCurrentIteration]: We have 252 unified AI predicates [2018-10-24 21:29:41,948 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 21:29:41,948 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 21:29:41,948 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-10-24 21:29:41,949 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:29:41,949 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-24 21:29:41,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-24 21:29:41,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-10-24 21:29:41,951 INFO L87 Difference]: Start difference. First operand 45860 states and 62659 transitions. Second operand 11 states. [2018-10-24 21:30:14,136 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-10-24 21:31:10,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-24 21:31:10,199 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 21:31:10,205 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 21:31:10,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:31:10 BoogieIcfgContainer [2018-10-24 21:31:10,205 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 21:31:10,206 INFO L168 Benchmark]: Toolchain (without parser) took 218804.45 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 2.1 GB in the end (delta: -728.8 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-10-24 21:31:10,208 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 21:31:10,208 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2483.82 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. [2018-10-24 21:31:10,209 INFO L168 Benchmark]: Boogie Procedure Inliner took 572.99 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 825.2 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 73.2 MB. Max. memory is 7.1 GB. [2018-10-24 21:31:10,210 INFO L168 Benchmark]: Boogie Preprocessor took 410.87 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 37.4 MB). Peak memory consumption was 37.4 MB. Max. memory is 7.1 GB. [2018-10-24 21:31:10,211 INFO L168 Benchmark]: RCFGBuilder took 12280.04 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 174.6 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 39.5 MB). Peak memory consumption was 657.3 MB. Max. memory is 7.1 GB. [2018-10-24 21:31:10,212 INFO L168 Benchmark]: TraceAbstraction took 203050.60 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 2.1 GB in the end (delta: 48.3 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-10-24 21:31:10,217 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2483.82 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 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 572.99 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 825.2 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 73.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 410.87 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 37.4 MB). Peak memory consumption was 37.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 12280.04 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 174.6 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 39.5 MB). Peak memory consumption was 657.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 203050.60 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 2.1 GB in the end (delta: 48.3 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: 159]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 159). 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 (4584 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 202.9s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 183.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2999 SDtfs, 24206 SDslu, 3178 SDs, 0 SdLazy, 34252 SolverSat, 8722 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 138.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 309 GetRequests, 257 SyntacticMatches, 5 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 4.0s 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, 6.5s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9963125763125763 AbsIntWeakeningRatio, 0.11904761904761904 AbsIntAvgWeakeningVarsNumRemoved, 28.97222222222222 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 805 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 1129 NumberOfCodeBlocks, 1129 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1122 ConstructedInterpolants, 0 QuantifiedInterpolants, 684502 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 417/419 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown