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/Problem19_label50_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:31:58,165 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:31:58,167 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:31:58,185 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:31:58,185 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:31:58,187 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:31:58,188 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:31:58,190 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:31:58,193 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:31:58,194 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:31:58,197 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:31:58,198 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:31:58,199 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:31:58,200 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:31:58,203 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:31:58,204 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:31:58,205 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:31:58,214 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:31:58,219 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:31:58,222 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:31:58,223 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:31:58,227 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:31:58,232 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:31:58,232 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:31:58,233 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:31:58,235 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:31:58,237 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:31:58,238 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:31:58,240 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:31:58,241 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:31:58,242 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:31:58,242 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:31:58,243 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:31:58,244 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:31:58,245 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:31:58,246 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:31:58,246 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 [2018-10-27 00:31:58,273 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:31:58,274 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:31:58,275 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:31:58,275 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 00:31:58,276 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 00:31:58,276 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 00:31:58,276 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 00:31:58,276 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 00:31:58,276 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 00:31:58,277 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 00:31:58,277 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 00:31:58,278 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 00:31:58,278 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:31:58,278 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:31:58,279 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:31:58,279 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:31:58,279 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:31:58,279 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:31:58,279 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:31:58,280 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:31:58,282 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:31:58,282 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 00:31:58,282 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:31:58,282 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 00:31:58,282 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 00:31:58,283 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:31:58,283 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:31:58,283 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:31:58,283 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 00:31:58,283 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:31:58,283 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:31:58,284 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 00:31:58,284 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 00:31:58,284 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 00:31:58,349 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:31:58,367 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:31:58,371 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:31:58,372 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:31:58,372 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:31:58,373 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label50_false-unreach-call.c [2018-10-27 00:31:58,436 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/afa33a4f3/df150f31749e489e98efff34bb240919/FLAG87978daef [2018-10-27 00:31:59,428 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:31:59,429 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label50_false-unreach-call.c [2018-10-27 00:31:59,480 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/afa33a4f3/df150f31749e489e98efff34bb240919/FLAG87978daef [2018-10-27 00:31:59,501 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/afa33a4f3/df150f31749e489e98efff34bb240919 [2018-10-27 00:31:59,516 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:31:59,518 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 00:31:59,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:31:59,519 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:31:59,524 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:31:59,525 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:31:59" (1/1) ... [2018-10-27 00:31:59,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31cb433d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:31:59, skipping insertion in model container [2018-10-27 00:31:59,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:31:59" (1/1) ... [2018-10-27 00:31:59,542 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:31:59,790 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:32:01,756 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:32:01,762 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:32:02,830 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:32:02,889 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:32:02,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:32:02 WrapperNode [2018-10-27 00:32:02,889 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:32:02,890 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:32:02,891 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:32:02,891 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:32:02,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:32:02" (1/1) ... [2018-10-27 00:32:02,987 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:32:02" (1/1) ... [2018-10-27 00:32:03,669 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:32:03,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:32:03,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:32:03,670 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:32:03,682 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:32:02" (1/1) ... [2018-10-27 00:32:03,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:32:02" (1/1) ... [2018-10-27 00:32:03,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:32:02" (1/1) ... [2018-10-27 00:32:03,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:32:02" (1/1) ... [2018-10-27 00:32:03,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:32:02" (1/1) ... [2018-10-27 00:32:04,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:32:02" (1/1) ... [2018-10-27 00:32:04,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:32:02" (1/1) ... [2018-10-27 00:32:04,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:32:04,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:32:04,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:32:04,205 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:32:04,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:32:02" (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 [2018-10-27 00:32:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 00:32:04,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 00:32:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-10-27 00:32:04,282 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-10-27 00:32:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-10-27 00:32:04,283 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-10-27 00:32:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-27 00:32:04,284 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-27 00:32:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-27 00:32:04,284 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-27 00:32:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-27 00:32:04,284 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-27 00:32:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 00:32:04,286 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 00:32:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:32:04,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:32:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 00:32:04,286 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 00:32:23,389 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:32:23,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:32:23 BoogieIcfgContainer [2018-10-27 00:32:23,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:32:23,391 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 00:32:23,391 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 00:32:23,394 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 00:32:23,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:31:59" (1/3) ... [2018-10-27 00:32:23,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21fa4a29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:32:23, skipping insertion in model container [2018-10-27 00:32:23,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:32:02" (2/3) ... [2018-10-27 00:32:23,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21fa4a29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:32:23, skipping insertion in model container [2018-10-27 00:32:23,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:32:23" (3/3) ... [2018-10-27 00:32:23,398 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label50_false-unreach-call.c [2018-10-27 00:32:23,408 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 00:32:23,419 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 00:32:23,437 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 00:32:23,490 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 00:32:23,491 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 00:32:23,491 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 00:32:23,491 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 00:32:23,491 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 00:32:23,491 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 00:32:23,491 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 00:32:23,491 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 00:32:23,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-10-27 00:32:23,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-27 00:32:23,560 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:32:23,561 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] [2018-10-27 00:32:23,563 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:32:23,570 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:32:23,571 INFO L82 PathProgramCache]: Analyzing trace with hash -1858672342, now seen corresponding path program 1 times [2018-10-27 00:32:23,573 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:32:23,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:32:23,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:32:23,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:32:23,630 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:32:23,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:32:24,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:32:24,041 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:32:24,042 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 00:32:24,042 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:32:24,052 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 00:32:24,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 00:32:24,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 00:32:24,071 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 4 states. [2018-10-27 00:32:49,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:32:49,426 INFO L93 Difference]: Finished difference Result 6510 states and 12381 transitions. [2018-10-27 00:32:49,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 00:32:49,430 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2018-10-27 00:32:49,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:32:49,480 INFO L225 Difference]: With dead ends: 6510 [2018-10-27 00:32:49,481 INFO L226 Difference]: Without dead ends: 4726 [2018-10-27 00:32:49,502 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 00:32:49,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4726 states. [2018-10-27 00:32:49,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4726 to 4687. [2018-10-27 00:32:49,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4687 states. [2018-10-27 00:32:49,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4687 states to 4687 states and 7413 transitions. [2018-10-27 00:32:49,738 INFO L78 Accepts]: Start accepts. Automaton has 4687 states and 7413 transitions. Word has length 27 [2018-10-27 00:32:49,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:32:49,738 INFO L481 AbstractCegarLoop]: Abstraction has 4687 states and 7413 transitions. [2018-10-27 00:32:49,739 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 00:32:49,739 INFO L276 IsEmpty]: Start isEmpty. Operand 4687 states and 7413 transitions. [2018-10-27 00:32:49,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-27 00:32:49,744 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:32:49,745 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-27 00:32:49,745 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:32:49,745 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:32:49,745 INFO L82 PathProgramCache]: Analyzing trace with hash -80921580, now seen corresponding path program 1 times [2018-10-27 00:32:49,746 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:32:49,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:32:49,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:32:49,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:32:49,747 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:32:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:32:50,155 WARN L179 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 00:32:50,598 WARN L179 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-10-27 00:32:50,715 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:32:50,715 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:32:50,715 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 00:32:50,716 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:32:50,718 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 00:32:50,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 00:32:50,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 00:32:50,719 INFO L87 Difference]: Start difference. First operand 4687 states and 7413 transitions. Second operand 6 states. [2018-10-27 00:33:19,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:33:19,628 INFO L93 Difference]: Finished difference Result 17869 states and 28883 transitions. [2018-10-27 00:33:19,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 00:33:19,629 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2018-10-27 00:33:19,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:33:19,705 INFO L225 Difference]: With dead ends: 17869 [2018-10-27 00:33:19,705 INFO L226 Difference]: Without dead ends: 13188 [2018-10-27 00:33:19,731 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 00:33:19,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13188 states. [2018-10-27 00:33:20,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13188 to 13117. [2018-10-27 00:33:20,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13117 states. [2018-10-27 00:33:20,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13117 states to 13117 states and 18720 transitions. [2018-10-27 00:33:20,319 INFO L78 Accepts]: Start accepts. Automaton has 13117 states and 18720 transitions. Word has length 99 [2018-10-27 00:33:20,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:33:20,319 INFO L481 AbstractCegarLoop]: Abstraction has 13117 states and 18720 transitions. [2018-10-27 00:33:20,320 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 00:33:20,320 INFO L276 IsEmpty]: Start isEmpty. Operand 13117 states and 18720 transitions. [2018-10-27 00:33:20,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-27 00:33:20,325 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:33:20,326 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-27 00:33:20,326 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:33:20,328 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:33:20,328 INFO L82 PathProgramCache]: Analyzing trace with hash -407489059, now seen corresponding path program 1 times [2018-10-27 00:33:20,328 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:33:20,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:33:20,330 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:33:20,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:33:20,330 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:33:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:33:20,558 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:33:20,558 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:33:20,559 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 00:33:20,559 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:33:20,559 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 00:33:20,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 00:33:20,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 00:33:20,560 INFO L87 Difference]: Start difference. First operand 13117 states and 18720 transitions. Second operand 6 states. [2018-10-27 00:33:49,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:33:49,817 INFO L93 Difference]: Finished difference Result 43743 states and 64724 transitions. [2018-10-27 00:33:49,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 00:33:49,818 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 101 [2018-10-27 00:33:49,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:33:49,925 INFO L225 Difference]: With dead ends: 43743 [2018-10-27 00:33:49,925 INFO L226 Difference]: Without dead ends: 30632 [2018-10-27 00:33:49,982 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 00:33:50,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30632 states. [2018-10-27 00:33:50,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30632 to 30466. [2018-10-27 00:33:50,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30466 states. [2018-10-27 00:33:50,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30466 states to 30466 states and 42936 transitions. [2018-10-27 00:33:50,666 INFO L78 Accepts]: Start accepts. Automaton has 30466 states and 42936 transitions. Word has length 101 [2018-10-27 00:33:50,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:33:50,666 INFO L481 AbstractCegarLoop]: Abstraction has 30466 states and 42936 transitions. [2018-10-27 00:33:50,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 00:33:50,667 INFO L276 IsEmpty]: Start isEmpty. Operand 30466 states and 42936 transitions. [2018-10-27 00:33:50,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-27 00:33:50,669 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:33:50,669 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-27 00:33:50,670 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:33:50,670 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:33:50,670 INFO L82 PathProgramCache]: Analyzing trace with hash -835408938, now seen corresponding path program 1 times [2018-10-27 00:33:50,670 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:33:50,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:33:50,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:33:50,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:33:50,672 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:33:50,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:33:51,140 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:33:51,140 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:33:51,140 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 00:33:51,140 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:33:51,141 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 00:33:51,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 00:33:51,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-27 00:33:51,142 INFO L87 Difference]: Start difference. First operand 30466 states and 42936 transitions. Second operand 6 states. [2018-10-27 00:34:18,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:34:18,802 INFO L93 Difference]: Finished difference Result 92665 states and 135450 transitions. [2018-10-27 00:34:18,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-27 00:34:18,807 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 109 [2018-10-27 00:34:18,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:34:19,009 INFO L225 Difference]: With dead ends: 92665 [2018-10-27 00:34:19,010 INFO L226 Difference]: Without dead ends: 62205 [2018-10-27 00:34:19,095 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-10-27 00:34:19,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62205 states. [2018-10-27 00:34:20,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62205 to 61792. [2018-10-27 00:34:20,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61792 states. [2018-10-27 00:34:20,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61792 states to 61792 states and 86959 transitions. [2018-10-27 00:34:20,526 INFO L78 Accepts]: Start accepts. Automaton has 61792 states and 86959 transitions. Word has length 109 [2018-10-27 00:34:20,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:34:20,527 INFO L481 AbstractCegarLoop]: Abstraction has 61792 states and 86959 transitions. [2018-10-27 00:34:20,527 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 00:34:20,527 INFO L276 IsEmpty]: Start isEmpty. Operand 61792 states and 86959 transitions. [2018-10-27 00:34:20,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-10-27 00:34:20,533 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:34:20,534 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-27 00:34:20,535 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:34:20,535 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:34:20,535 INFO L82 PathProgramCache]: Analyzing trace with hash 1782950444, now seen corresponding path program 1 times [2018-10-27 00:34:20,535 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:34:20,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:34:20,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:34:20,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:34:20,536 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:34:20,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:34:20,854 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:34:20,854 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:34:20,854 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 00:34:20,855 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:34:20,855 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 00:34:20,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 00:34:20,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 00:34:20,856 INFO L87 Difference]: Start difference. First operand 61792 states and 86959 transitions. Second operand 5 states. [2018-10-27 00:34:55,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:34:55,751 INFO L93 Difference]: Finished difference Result 187401 states and 274135 transitions. [2018-10-27 00:34:55,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 00:34:55,760 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 129 [2018-10-27 00:34:55,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:34:56,129 INFO L225 Difference]: With dead ends: 187401 [2018-10-27 00:34:56,129 INFO L226 Difference]: Without dead ends: 125615 [2018-10-27 00:34:56,252 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-27 00:34:56,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125615 states. [2018-10-27 00:34:58,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125615 to 124300. [2018-10-27 00:34:58,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124300 states. [2018-10-27 00:34:59,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124300 states to 124300 states and 163349 transitions. [2018-10-27 00:34:59,118 INFO L78 Accepts]: Start accepts. Automaton has 124300 states and 163349 transitions. Word has length 129 [2018-10-27 00:34:59,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:34:59,118 INFO L481 AbstractCegarLoop]: Abstraction has 124300 states and 163349 transitions. [2018-10-27 00:34:59,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 00:34:59,121 INFO L276 IsEmpty]: Start isEmpty. Operand 124300 states and 163349 transitions. [2018-10-27 00:34:59,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-10-27 00:34:59,125 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:34:59,125 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:34:59,126 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:34:59,126 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:34:59,126 INFO L82 PathProgramCache]: Analyzing trace with hash 6483041, now seen corresponding path program 1 times [2018-10-27 00:34:59,126 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:34:59,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:34:59,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:34:59,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:34:59,133 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:34:59,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:34:59,434 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:34:59,435 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:34:59,435 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 00:34:59,435 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:34:59,436 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 00:34:59,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 00:34:59,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 00:34:59,436 INFO L87 Difference]: Start difference. First operand 124300 states and 163349 transitions. Second operand 6 states. [2018-10-27 00:35:18,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:35:18,870 INFO L93 Difference]: Finished difference Result 280786 states and 388498 transitions. [2018-10-27 00:35:18,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 00:35:18,871 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 192 [2018-10-27 00:35:18,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:35:19,305 INFO L225 Difference]: With dead ends: 280786 [2018-10-27 00:35:19,305 INFO L226 Difference]: Without dead ends: 156492 [2018-10-27 00:35:19,496 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 00:35:19,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156492 states. [2018-10-27 00:35:22,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156492 to 155543. [2018-10-27 00:35:22,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155543 states. [2018-10-27 00:35:22,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155543 states to 155543 states and 205241 transitions. [2018-10-27 00:35:22,887 INFO L78 Accepts]: Start accepts. Automaton has 155543 states and 205241 transitions. Word has length 192 [2018-10-27 00:35:22,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:35:22,888 INFO L481 AbstractCegarLoop]: Abstraction has 155543 states and 205241 transitions. [2018-10-27 00:35:22,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 00:35:22,888 INFO L276 IsEmpty]: Start isEmpty. Operand 155543 states and 205241 transitions. [2018-10-27 00:35:22,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2018-10-27 00:35:22,906 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:35:22,907 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:35:22,907 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:35:22,908 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:35:22,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1848045336, now seen corresponding path program 1 times [2018-10-27 00:35:22,908 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:35:22,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:35:22,909 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:35:22,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:35:22,909 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:35:23,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:35:23,646 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:35:23,646 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:35:23,647 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 00:35:23,647 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:35:23,648 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 00:35:23,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 00:35:23,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 00:35:23,649 INFO L87 Difference]: Start difference. First operand 155543 states and 205241 transitions. Second operand 4 states. [2018-10-27 00:35:46,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:35:46,482 INFO L93 Difference]: Finished difference Result 359021 states and 483171 transitions. [2018-10-27 00:35:46,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 00:35:46,482 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 621 [2018-10-27 00:35:46,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:35:47,019 INFO L225 Difference]: With dead ends: 359021 [2018-10-27 00:35:47,020 INFO L226 Difference]: Without dead ends: 203484 [2018-10-27 00:35:47,218 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 00:35:47,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203484 states. Received shutdown request... [2018-10-27 00:35:50,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203484 to 203316. [2018-10-27 00:35:50,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203316 states. [2018-10-27 00:35:50,720 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-27 00:35:50,726 WARN L205 ceAbstractionStarter]: Timeout [2018-10-27 00:35:50,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 12:35:50 BoogieIcfgContainer [2018-10-27 00:35:50,726 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 00:35:50,727 INFO L168 Benchmark]: Toolchain (without parser) took 231210.44 ms. Allocated memory was 1.5 GB in the beginning and 3.7 GB in the end (delta: 2.1 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -269.8 MB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2018-10-27 00:35:50,729 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-10-27 00:35:50,729 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3370.78 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 392.7 MB). Peak memory consumption was 392.7 MB. Max. memory is 7.1 GB. [2018-10-27 00:35:50,730 INFO L168 Benchmark]: Boogie Procedure Inliner took 778.97 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 872.9 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 117.4 MB. Max. memory is 7.1 GB. [2018-10-27 00:35:50,731 INFO L168 Benchmark]: Boogie Preprocessor took 534.24 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: 54.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 7.1 GB. [2018-10-27 00:35:50,733 INFO L168 Benchmark]: RCFGBuilder took 19185.41 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 163.1 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 495.8 MB). Peak memory consumption was 658.8 MB. Max. memory is 7.1 GB. [2018-10-27 00:35:50,734 INFO L168 Benchmark]: TraceAbstraction took 207335.49 ms. Allocated memory was 2.6 GB in the beginning and 3.7 GB in the end (delta: 1.1 GB). Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 63.9 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-10-27 00:35:50,747 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 3370.78 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 392.7 MB). Peak memory consumption was 392.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 778.97 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 872.9 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 117.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 534.24 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: 54.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 19185.41 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 163.1 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 495.8 MB). Peak memory consumption was 658.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 207335.49 ms. Allocated memory was 2.6 GB in the beginning and 3.7 GB in the end (delta: 1.1 GB). Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 63.9 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 76]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 76). Cancelled while ReachableStatesComputation was computing reachable states (1 states constructedinput type DoubleDeckerAutomaton). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 207.2s OverallTime, 7 OverallIterations, 2 TraceHistogramMax, 190.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5249 SDtfs, 49646 SDslu, 4949 SDs, 0 SdLazy, 66508 SolverSat, 19679 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 159.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 19 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155543occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 12.6s AutomataMinimizationTime, 7 MinimizatonAttempts, 2953 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1278 NumberOfCodeBlocks, 1278 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1271 ConstructedInterpolants, 0 QuantifiedInterpolants, 853665 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 120/120 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown