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-INT.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label03_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 12:14:42,380 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 12:14:42,382 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 12:14:42,395 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 12:14:42,395 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 12:14:42,397 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 12:14:42,398 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 12:14:42,400 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 12:14:42,402 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 12:14:42,402 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 12:14:42,406 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 12:14:42,406 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 12:14:42,407 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 12:14:42,408 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 12:14:42,409 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 12:14:42,410 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 12:14:42,411 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 12:14:42,412 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 12:14:42,414 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 12:14:42,416 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 12:14:42,417 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 12:14:42,418 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 12:14:42,421 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 12:14:42,421 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 12:14:42,421 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 12:14:42,422 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 12:14:42,423 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 12:14:42,424 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 12:14:42,425 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 12:14:42,426 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 12:14:42,426 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 12:14:42,427 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 12:14:42,427 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 12:14:42,427 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 12:14:42,428 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 12:14:42,429 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 12:14:42,429 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf [2018-10-27 12:14:42,446 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 12:14:42,446 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 12:14:42,447 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 12:14:42,447 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 12:14:42,447 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 12:14:42,448 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 12:14:42,448 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 12:14:42,448 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-27 12:14:42,448 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 12:14:42,448 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 12:14:42,448 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 12:14:42,449 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 12:14:42,449 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 12:14:42,450 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 12:14:42,450 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 12:14:42,450 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 12:14:42,450 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 12:14:42,450 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 12:14:42,450 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 12:14:42,451 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 12:14:42,451 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 12:14:42,451 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 12:14:42,451 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 12:14:42,452 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 12:14:42,452 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 12:14:42,452 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 12:14:42,452 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 12:14:42,452 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 12:14:42,453 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 12:14:42,453 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 12:14:42,453 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 12:14:42,453 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 12:14:42,453 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 12:14:42,454 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 12:14:42,500 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 12:14:42,515 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 12:14:42,519 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 12:14:42,521 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 12:14:42,521 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 12:14:42,523 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label03_true-unreach-call_false-termination.c [2018-10-27 12:14:42,590 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/61bbe5109/64d155f329094fc7b3d6fd2082718613/FLAG90259ff1d [2018-10-27 12:14:43,174 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 12:14:43,175 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label03_true-unreach-call_false-termination.c [2018-10-27 12:14:43,190 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/61bbe5109/64d155f329094fc7b3d6fd2082718613/FLAG90259ff1d [2018-10-27 12:14:43,219 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/61bbe5109/64d155f329094fc7b3d6fd2082718613 [2018-10-27 12:14:43,230 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 12:14:43,232 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 12:14:43,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 12:14:43,235 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 12:14:43,239 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 12:14:43,240 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:14:43" (1/1) ... [2018-10-27 12:14:43,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@630724e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:14:43, skipping insertion in model container [2018-10-27 12:14:43,244 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:14:43" (1/1) ... [2018-10-27 12:14:43,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 12:14:43,333 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 12:14:43,802 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 12:14:43,815 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 12:14:43,930 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 12:14:43,952 INFO L193 MainTranslator]: Completed translation [2018-10-27 12:14:43,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:14:43 WrapperNode [2018-10-27 12:14:43,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 12:14:43,953 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 12:14:43,953 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 12:14:43,954 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 12:14:43,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:14:43" (1/1) ... [2018-10-27 12:14:43,993 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:14:43" (1/1) ... [2018-10-27 12:14:44,186 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 12:14:44,187 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 12:14:44,187 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 12:14:44,187 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 12:14:44,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:14:43" (1/1) ... [2018-10-27 12:14:44,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:14:43" (1/1) ... [2018-10-27 12:14:44,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:14:43" (1/1) ... [2018-10-27 12:14:44,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:14:43" (1/1) ... [2018-10-27 12:14:44,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:14:43" (1/1) ... [2018-10-27 12:14:44,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:14:43" (1/1) ... [2018-10-27 12:14:44,265 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:14:43" (1/1) ... [2018-10-27 12:14:44,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 12:14:44,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 12:14:44,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 12:14:44,271 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 12:14:44,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:14:43" (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 12:14:44,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 12:14:44,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 12:14:44,342 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 12:14:44,343 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 12:14:44,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 12:14:44,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 12:14:44,343 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 12:14:44,343 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 12:14:47,264 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 12:14:47,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:14:47 BoogieIcfgContainer [2018-10-27 12:14:47,266 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 12:14:47,268 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 12:14:47,268 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 12:14:47,272 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 12:14:47,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:14:43" (1/3) ... [2018-10-27 12:14:47,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e04092e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:14:47, skipping insertion in model container [2018-10-27 12:14:47,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:14:43" (2/3) ... [2018-10-27 12:14:47,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e04092e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:14:47, skipping insertion in model container [2018-10-27 12:14:47,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:14:47" (3/3) ... [2018-10-27 12:14:47,276 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label03_true-unreach-call_false-termination.c [2018-10-27 12:14:47,287 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 12:14:47,300 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 12:14:47,322 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 12:14:47,372 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 12:14:47,372 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 12:14:47,372 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 12:14:47,372 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 12:14:47,372 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 12:14:47,373 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 12:14:47,373 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 12:14:47,373 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 12:14:47,399 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-10-27 12:14:47,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-27 12:14:47,416 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:14:47,417 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:14:47,420 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:14:47,429 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:14:47,430 INFO L82 PathProgramCache]: Analyzing trace with hash -1119930456, now seen corresponding path program 1 times [2018-10-27 12:14:47,433 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:14:47,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:14:47,485 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:14:47,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:14:47,486 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:14:47,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:14:48,275 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 12:14:48,278 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 12:14:48,278 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 12:14:48,278 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 12:14:48,285 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 12:14:48,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 12:14:48,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 12:14:48,304 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 4 states. [2018-10-27 12:14:50,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:14:50,710 INFO L93 Difference]: Finished difference Result 702 states and 1227 transitions. [2018-10-27 12:14:50,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 12:14:50,711 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 136 [2018-10-27 12:14:50,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:14:50,735 INFO L225 Difference]: With dead ends: 702 [2018-10-27 12:14:50,735 INFO L226 Difference]: Without dead ends: 488 [2018-10-27 12:14:50,743 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 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 12:14:50,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2018-10-27 12:14:50,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 340. [2018-10-27 12:14:50,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-10-27 12:14:50,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 565 transitions. [2018-10-27 12:14:50,823 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 565 transitions. Word has length 136 [2018-10-27 12:14:50,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:14:50,825 INFO L481 AbstractCegarLoop]: Abstraction has 340 states and 565 transitions. [2018-10-27 12:14:50,825 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 12:14:50,825 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 565 transitions. [2018-10-27 12:14:50,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-27 12:14:50,833 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:14:50,833 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-27 12:14:50,834 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:14:50,834 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:14:50,834 INFO L82 PathProgramCache]: Analyzing trace with hash 1950483079, now seen corresponding path program 1 times [2018-10-27 12:14:50,835 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:14:50,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:14:50,836 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:14:50,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:14:50,837 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:14:50,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:14:51,046 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 12:14:51,046 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 12:14:51,047 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 12:14:51,047 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 12:14:51,049 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 12:14:51,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 12:14:51,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 12:14:51,050 INFO L87 Difference]: Start difference. First operand 340 states and 565 transitions. Second operand 6 states. [2018-10-27 12:14:53,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:14:53,021 INFO L93 Difference]: Finished difference Result 1070 states and 1865 transitions. [2018-10-27 12:14:53,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 12:14:53,024 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2018-10-27 12:14:53,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:14:53,031 INFO L225 Difference]: With dead ends: 1070 [2018-10-27 12:14:53,031 INFO L226 Difference]: Without dead ends: 736 [2018-10-27 12:14:53,036 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 12:14:53,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2018-10-27 12:14:53,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 719. [2018-10-27 12:14:53,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 719 states. [2018-10-27 12:14:53,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 1163 transitions. [2018-10-27 12:14:53,100 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 1163 transitions. Word has length 147 [2018-10-27 12:14:53,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:14:53,100 INFO L481 AbstractCegarLoop]: Abstraction has 719 states and 1163 transitions. [2018-10-27 12:14:53,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 12:14:53,101 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 1163 transitions. [2018-10-27 12:14:53,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-10-27 12:14:53,106 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:14:53,107 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-27 12:14:53,107 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:14:53,107 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:14:53,107 INFO L82 PathProgramCache]: Analyzing trace with hash 770922715, now seen corresponding path program 1 times [2018-10-27 12:14:53,108 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:14:53,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:14:53,109 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:14:53,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:14:53,109 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:14:53,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:14:53,590 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 12:14:53,590 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 12:14:53,591 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 12:14:53,591 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 12:14:53,591 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 12:14:53,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 12:14:53,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 12:14:53,592 INFO L87 Difference]: Start difference. First operand 719 states and 1163 transitions. Second operand 5 states. [2018-10-27 12:14:55,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:14:55,351 INFO L93 Difference]: Finished difference Result 1568 states and 2569 transitions. [2018-10-27 12:14:55,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 12:14:55,352 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2018-10-27 12:14:55,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:14:55,361 INFO L225 Difference]: With dead ends: 1568 [2018-10-27 12:14:55,362 INFO L226 Difference]: Without dead ends: 716 [2018-10-27 12:14:55,366 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 12:14:55,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2018-10-27 12:14:55,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2018-10-27 12:14:55,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2018-10-27 12:14:55,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 1087 transitions. [2018-10-27 12:14:55,406 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 1087 transitions. Word has length 148 [2018-10-27 12:14:55,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:14:55,407 INFO L481 AbstractCegarLoop]: Abstraction has 716 states and 1087 transitions. [2018-10-27 12:14:55,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 12:14:55,408 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 1087 transitions. [2018-10-27 12:14:55,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-27 12:14:55,413 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:14:55,413 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-27 12:14:55,413 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:14:55,414 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:14:55,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1748961325, now seen corresponding path program 1 times [2018-10-27 12:14:55,414 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:14:55,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:14:55,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:14:55,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:14:55,416 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:14:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:14:55,730 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 12:14:55,730 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 12:14:55,730 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 12:14:55,731 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 12:14:55,731 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 12:14:55,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 12:14:55,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 12:14:55,732 INFO L87 Difference]: Start difference. First operand 716 states and 1087 transitions. Second operand 3 states. [2018-10-27 12:14:56,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:14:56,770 INFO L93 Difference]: Finished difference Result 1651 states and 2551 transitions. [2018-10-27 12:14:56,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 12:14:56,779 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2018-10-27 12:14:56,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:14:56,788 INFO L225 Difference]: With dead ends: 1651 [2018-10-27 12:14:56,788 INFO L226 Difference]: Without dead ends: 941 [2018-10-27 12:14:56,791 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 12:14:56,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2018-10-27 12:14:56,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 938. [2018-10-27 12:14:56,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 938 states. [2018-10-27 12:14:56,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1264 transitions. [2018-10-27 12:14:56,832 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1264 transitions. Word has length 152 [2018-10-27 12:14:56,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:14:56,833 INFO L481 AbstractCegarLoop]: Abstraction has 938 states and 1264 transitions. [2018-10-27 12:14:56,833 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 12:14:56,833 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1264 transitions. [2018-10-27 12:14:56,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-10-27 12:14:56,838 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:14:56,839 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 12:14:56,839 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:14:56,839 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:14:56,839 INFO L82 PathProgramCache]: Analyzing trace with hash -391791017, now seen corresponding path program 1 times [2018-10-27 12:14:56,840 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:14:56,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:14:56,842 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:14:56,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:14:56,842 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:14:56,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:14:57,169 WARN L179 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 12:14:57,251 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 12:14:57,252 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 12:14:57,252 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 12:14:57,252 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 12:14:57,253 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 12:14:57,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 12:14:57,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 12:14:57,253 INFO L87 Difference]: Start difference. First operand 938 states and 1264 transitions. Second operand 3 states. [2018-10-27 12:14:58,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:14:58,066 INFO L93 Difference]: Finished difference Result 2186 states and 3025 transitions. [2018-10-27 12:14:58,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 12:14:58,074 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2018-10-27 12:14:58,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:14:58,075 INFO L225 Difference]: With dead ends: 2186 [2018-10-27 12:14:58,075 INFO L226 Difference]: Without dead ends: 0 [2018-10-27 12:14:58,082 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 12:14:58,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-27 12:14:58,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-27 12:14:58,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-27 12:14:58,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 12:14:58,083 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 171 [2018-10-27 12:14:58,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:14:58,083 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 12:14:58,083 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 12:14:58,083 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-27 12:14:58,084 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 12:14:58,089 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-27 12:14:58,252 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-27 12:14:58,364 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 24 [2018-10-27 12:14:58,618 WARN L179 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2018-10-27 12:14:58,794 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-27 12:14:58,794 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~a16~0)| ~a16~0) [2018-10-27 12:14:58,794 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-27 12:14:58,795 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-10-27 12:14:58,795 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-10-27 12:14:58,795 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,795 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,795 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,795 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,796 INFO L425 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,796 INFO L425 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,796 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-10-27 12:14:58,796 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-10-27 12:14:58,796 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-10-27 12:14:58,796 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-10-27 12:14:58,796 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-10-27 12:14:58,796 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-10-27 12:14:58,797 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-10-27 12:14:58,797 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-10-27 12:14:58,797 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-10-27 12:14:58,797 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-10-27 12:14:58,797 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,797 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,797 INFO L425 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,798 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,798 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,798 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,798 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-10-27 12:14:58,798 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-10-27 12:14:58,798 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-10-27 12:14:58,798 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-10-27 12:14:58,799 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-10-27 12:14:58,799 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-10-27 12:14:58,799 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-10-27 12:14:58,799 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-10-27 12:14:58,799 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-10-27 12:14:58,799 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-10-27 12:14:58,799 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-10-27 12:14:58,800 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-10-27 12:14:58,800 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-10-27 12:14:58,800 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-10-27 12:14:58,800 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-10-27 12:14:58,800 INFO L425 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,800 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,800 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,801 INFO L425 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,801 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,801 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-10-27 12:14:58,801 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-10-27 12:14:58,801 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-10-27 12:14:58,801 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-10-27 12:14:58,801 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-10-27 12:14:58,802 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-10-27 12:14:58,802 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-10-27 12:14:58,802 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-10-27 12:14:58,802 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-10-27 12:14:58,802 INFO L425 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,802 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,802 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,803 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,803 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,803 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-10-27 12:14:58,803 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-10-27 12:14:58,803 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-10-27 12:14:58,803 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-10-27 12:14:58,803 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-10-27 12:14:58,803 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-10-27 12:14:58,804 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-10-27 12:14:58,804 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-10-27 12:14:58,804 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-10-27 12:14:58,804 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-10-27 12:14:58,804 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-10-27 12:14:58,804 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-10-27 12:14:58,804 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-10-27 12:14:58,805 INFO L425 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,805 INFO L425 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,805 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,805 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,805 INFO L425 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,805 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-10-27 12:14:58,805 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-10-27 12:14:58,806 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-10-27 12:14:58,806 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-10-27 12:14:58,806 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-10-27 12:14:58,806 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-10-27 12:14:58,806 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-10-27 12:14:58,806 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-10-27 12:14:58,806 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-10-27 12:14:58,807 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,807 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,807 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,807 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,807 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,807 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,808 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-10-27 12:14:58,808 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,808 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-10-27 12:14:58,808 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-10-27 12:14:58,808 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-10-27 12:14:58,808 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-10-27 12:14:58,809 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-10-27 12:14:58,809 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-10-27 12:14:58,809 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-10-27 12:14:58,809 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-10-27 12:14:58,809 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-10-27 12:14:58,809 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-10-27 12:14:58,809 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-10-27 12:14:58,809 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-10-27 12:14:58,810 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-10-27 12:14:58,810 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,810 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,810 INFO L425 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,810 INFO L425 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,810 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,810 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-10-27 12:14:58,810 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-10-27 12:14:58,811 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-10-27 12:14:58,811 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-10-27 12:14:58,811 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-10-27 12:14:58,811 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-10-27 12:14:58,811 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-10-27 12:14:58,811 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-10-27 12:14:58,811 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,811 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,812 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,812 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,812 INFO L425 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,812 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-10-27 12:14:58,812 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-10-27 12:14:58,812 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-10-27 12:14:58,812 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-10-27 12:14:58,812 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-10-27 12:14:58,813 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-10-27 12:14:58,813 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-10-27 12:14:58,813 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-10-27 12:14:58,813 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-10-27 12:14:58,813 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-10-27 12:14:58,813 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 563) no Hoare annotation was computed. [2018-10-27 12:14:58,814 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse7 (= 1 |old(~a20~0)|))) (let ((.cse2 (and (= |old(~a7~0)| |old(~a20~0)|) .cse7)) (.cse6 (= 1 |old(~a21~0)|)) (.cse5 (= 1 ~a20~0)) (.cse4 (= |old(~a16~0)| ~a16~0)) (.cse3 (not (= ~a8~0 13))) (.cse0 (= 13 |old(~a8~0)|)) (.cse1 (not (= 8 ~a12~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 (and .cse4 (or (not .cse5) (not (= ~a20~0 ~a7~0))))) (or .cse6 .cse1 (and (not (= ~a21~0 1)) .cse4)) (or (not .cse6) (not .cse7) (not (= 4 |old(~a16~0)|)) (and (= 1 ~a7~0) .cse5 (= 13 ~a8~0) .cse4 (= 1 ~a21~0) (= 1 ~a17~0)) .cse1 (not (= 1 |old(~a7~0)|)) (not .cse0) (not (= 1 |old(~a17~0)|))) (or (= 6 |old(~a16~0)|) (and .cse4 .cse3) .cse0 .cse1)))) [2018-10-27 12:14:58,814 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-10-27 12:14:58,814 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,814 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,814 INFO L425 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,814 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,815 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-10-27 12:14:58,815 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,815 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,815 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-10-27 12:14:58,815 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-10-27 12:14:58,815 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-10-27 12:14:58,815 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-10-27 12:14:58,816 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-10-27 12:14:58,816 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-10-27 12:14:58,816 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-10-27 12:14:58,816 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-10-27 12:14:58,816 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-10-27 12:14:58,816 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-10-27 12:14:58,816 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-10-27 12:14:58,816 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-10-27 12:14:58,817 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,817 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,817 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,817 INFO L425 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,817 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,817 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-10-27 12:14:58,817 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,817 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-10-27 12:14:58,818 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-10-27 12:14:58,818 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-10-27 12:14:58,818 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-10-27 12:14:58,818 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-10-27 12:14:58,818 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-10-27 12:14:58,818 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-10-27 12:14:58,819 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-10-27 12:14:58,819 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-10-27 12:14:58,819 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-10-27 12:14:58,819 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-10-27 12:14:58,819 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-10-27 12:14:58,819 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-10-27 12:14:58,819 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-10-27 12:14:58,819 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,820 INFO L425 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,820 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,820 INFO L425 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,820 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,820 INFO L425 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:14:58,820 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-10-27 12:14:58,820 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-10-27 12:14:58,821 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-10-27 12:14:58,821 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-10-27 12:14:58,821 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-10-27 12:14:58,821 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-10-27 12:14:58,821 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-10-27 12:14:58,821 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-10-27 12:14:58,821 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-10-27 12:14:58,822 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-10-27 12:14:58,822 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-27 12:14:58,822 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a16~0 6)) (= ~a12~0 8) (not (= ~a20~0 ~a7~0)) (not (= ~a8~0 13))) [2018-10-27 12:14:58,822 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-27 12:14:58,822 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-27 12:14:58,822 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (= 13 |old(~a8~0)|) (not (= 8 ~a12~0)) (= |old(~a7~0)| |old(~a20~0)|) (and (= |old(~a16~0)| ~a16~0) (not (= ~a20~0 ~a7~0)) (not (= ~a8~0 13)))) [2018-10-27 12:14:58,823 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-10-27 12:14:58,823 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (and (not (= ~a16~0 6)) (not (= ~a8~0 13))) (not (= ~a21~0 1)) (= 13 |old(~a8~0)|) (and (= 4 ~a16~0) (= 1 ~a17~0)) (not (= 8 ~a12~0)) (= |old(~a7~0)| |old(~a20~0)|) (or (not (= 1 ~a20~0)) (not (= ~a20~0 ~a7~0)))) [2018-10-27 12:14:58,823 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-10-27 12:14:58,823 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-10-27 12:14:58,823 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-10-27 12:14:58,823 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (and (not (= ~a16~0 6)) (not (= ~a8~0 13))) (not (= ~a21~0 1)) (= 13 |old(~a8~0)|) (and (= 4 ~a16~0) (= 1 ~a17~0)) (not (= 8 ~a12~0)) (= |old(~a7~0)| |old(~a20~0)|) (or (not (= 1 ~a20~0)) (not (= ~a20~0 ~a7~0)))) [2018-10-27 12:14:58,823 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-10-27 12:14:58,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 12:14:58 BoogieIcfgContainer [2018-10-27 12:14:58,840 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 12:14:58,841 INFO L168 Benchmark]: Toolchain (without parser) took 15610.23 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 899.7 MB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -389.8 MB). Peak memory consumption was 509.9 MB. Max. memory is 7.1 GB. [2018-10-27 12:14:58,842 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. [2018-10-27 12:14:58,843 INFO L168 Benchmark]: CACSL2BoogieTranslator took 719.14 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-27 12:14:58,844 INFO L168 Benchmark]: Boogie Procedure Inliner took 233.34 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 732.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -803.6 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2018-10-27 12:14:58,845 INFO L168 Benchmark]: Boogie Preprocessor took 83.90 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 12:14:58,845 INFO L168 Benchmark]: RCFGBuilder took 2994.63 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 107.5 MB). Peak memory consumption was 107.5 MB. Max. memory is 7.1 GB. [2018-10-27 12:14:58,846 INFO L168 Benchmark]: TraceAbstraction took 11572.35 ms. Allocated memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: 167.2 MB). Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 274.6 MB). Peak memory consumption was 441.8 MB. Max. memory is 7.1 GB. [2018-10-27 12:14:58,852 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 719.14 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 233.34 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 732.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -803.6 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.90 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 2994.63 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 107.5 MB). Peak memory consumption was 107.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11572.35 ms. Allocated memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: 167.2 MB). Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 274.6 MB). Peak memory consumption was 441.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 563]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((6 == \old(a16) || (!(a16 == 6) && !(a8 == 13))) || !(a21 == 1)) || 13 == \old(a8)) || (4 == a16 && 1 == a17)) || !(8 == a12)) || \old(a7) == \old(a20)) || !(1 == a20) || !(a20 == a7) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 11.4s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 8.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 682 SDtfs, 1675 SDslu, 344 SDs, 0 SdLazy, 2803 SolverSat, 774 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 12 SyntacticMatches, 8 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=938occurred in iteration=4, 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: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 168 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 32 PreInvPairs, 50 NumberOfFragments, 260 HoareAnnotationTreeSize, 32 FomulaSimplifications, 406 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 291 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 754 NumberOfCodeBlocks, 754 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 749 ConstructedInterpolants, 0 QuantifiedInterpolants, 695507 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 62/62 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...