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/Problem02_label26_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 12:21:53,289 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 12:21:53,291 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 12:21:53,303 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 12:21:53,303 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 12:21:53,304 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 12:21:53,306 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 12:21:53,308 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 12:21:53,310 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 12:21:53,310 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 12:21:53,311 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 12:21:53,312 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 12:21:53,313 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 12:21:53,314 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 12:21:53,315 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 12:21:53,316 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 12:21:53,317 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 12:21:53,319 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 12:21:53,321 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 12:21:53,323 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 12:21:53,324 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 12:21:53,326 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 12:21:53,328 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 12:21:53,329 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 12:21:53,329 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 12:21:53,330 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 12:21:53,331 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 12:21:53,332 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 12:21:53,333 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 12:21:53,335 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 12:21:53,335 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 12:21:53,336 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 12:21:53,336 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 12:21:53,338 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 12:21:53,339 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 12:21:53,342 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 12:21:53,343 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 12:21:53,375 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 12:21:53,375 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 12:21:53,378 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 12:21:53,378 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 12:21:53,379 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 12:21:53,379 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 12:21:53,379 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 12:21:53,380 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-27 12:21:53,380 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 12:21:53,380 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 12:21:53,380 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 12:21:53,381 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 12:21:53,384 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 12:21:53,384 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 12:21:53,384 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 12:21:53,384 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 12:21:53,384 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 12:21:53,385 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 12:21:53,385 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 12:21:53,385 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 12:21:53,385 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 12:21:53,385 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 12:21:53,389 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 12:21:53,389 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 12:21:53,389 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 12:21:53,389 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 12:21:53,389 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 12:21:53,390 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 12:21:53,390 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 12:21:53,390 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 12:21:53,390 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 12:21:53,390 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 12:21:53,390 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 12:21:53,391 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 12:21:53,458 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 12:21:53,476 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 12:21:53,481 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 12:21:53,483 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 12:21:53,483 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 12:21:53,484 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label26_true-unreach-call_false-termination.c [2018-10-27 12:21:53,553 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/de6a9c41f/3d2cd15060b74bf48cc2d1e784be6c27/FLAGbc09c02e3 [2018-10-27 12:21:54,173 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 12:21:54,177 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label26_true-unreach-call_false-termination.c [2018-10-27 12:21:54,193 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/de6a9c41f/3d2cd15060b74bf48cc2d1e784be6c27/FLAGbc09c02e3 [2018-10-27 12:21:54,215 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/de6a9c41f/3d2cd15060b74bf48cc2d1e784be6c27 [2018-10-27 12:21:54,228 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 12:21:54,230 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 12:21:54,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 12:21:54,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 12:21:54,235 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 12:21:54,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:21:54" (1/1) ... [2018-10-27 12:21:54,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f637f1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:21:54, skipping insertion in model container [2018-10-27 12:21:54,240 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:21:54" (1/1) ... [2018-10-27 12:21:54,251 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 12:21:54,325 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 12:21:54,778 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 12:21:54,782 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 12:21:54,903 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 12:21:54,923 INFO L193 MainTranslator]: Completed translation [2018-10-27 12:21:54,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:21:54 WrapperNode [2018-10-27 12:21:54,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 12:21:54,925 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 12:21:54,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 12:21:54,925 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 12:21:54,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:21:54" (1/1) ... [2018-10-27 12:21:54,960 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:21:54" (1/1) ... [2018-10-27 12:21:55,143 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 12:21:55,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 12:21:55,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 12:21:55,144 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 12:21:55,156 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:21:54" (1/1) ... [2018-10-27 12:21:55,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:21:54" (1/1) ... [2018-10-27 12:21:55,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:21:54" (1/1) ... [2018-10-27 12:21:55,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:21:54" (1/1) ... [2018-10-27 12:21:55,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:21:54" (1/1) ... [2018-10-27 12:21:55,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:21:54" (1/1) ... [2018-10-27 12:21:55,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:21:54" (1/1) ... [2018-10-27 12:21:55,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 12:21:55,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 12:21:55,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 12:21:55,251 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 12:21:55,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:21:54" (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 12:21:55,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 12:21:55,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 12:21:55,326 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 12:21:55,326 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 12:21:55,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 12:21:55,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 12:21:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 12:21:55,327 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 12:21:58,600 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 12:21:58,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:21:58 BoogieIcfgContainer [2018-10-27 12:21:58,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 12:21:58,602 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 12:21:58,602 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 12:21:58,606 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 12:21:58,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:21:54" (1/3) ... [2018-10-27 12:21:58,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b154cba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:21:58, skipping insertion in model container [2018-10-27 12:21:58,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:21:54" (2/3) ... [2018-10-27 12:21:58,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b154cba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:21:58, skipping insertion in model container [2018-10-27 12:21:58,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:21:58" (3/3) ... [2018-10-27 12:21:58,610 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label26_true-unreach-call_false-termination.c [2018-10-27 12:21:58,621 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 12:21:58,632 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 12:21:58,651 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 12:21:58,692 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 12:21:58,693 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 12:21:58,693 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 12:21:58,693 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 12:21:58,693 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 12:21:58,694 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 12:21:58,694 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 12:21:58,694 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 12:21:58,721 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-10-27 12:21:58,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-27 12:21:58,738 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:21:58,739 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, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 12:21:58,742 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:21:58,748 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:21:58,749 INFO L82 PathProgramCache]: Analyzing trace with hash 1783395935, now seen corresponding path program 1 times [2018-10-27 12:21:58,751 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:21:58,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:21:58,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:21:58,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:21:58,814 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:21:58,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:21:59,442 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 12:21:59,566 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 12:21:59,569 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 12:21:59,570 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 12:21:59,571 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 12:21:59,578 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 12:21:59,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 12:21:59,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 12:21:59,597 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-10-27 12:22:01,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:22:01,122 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-10-27 12:22:01,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 12:22:01,125 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 143 [2018-10-27 12:22:01,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:22:01,146 INFO L225 Difference]: With dead ends: 618 [2018-10-27 12:22:01,147 INFO L226 Difference]: Without dead ends: 379 [2018-10-27 12:22:01,153 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 12:22:01,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-10-27 12:22:01,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2018-10-27 12:22:01,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-10-27 12:22:01,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 621 transitions. [2018-10-27 12:22:01,237 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 621 transitions. Word has length 143 [2018-10-27 12:22:01,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:22:01,239 INFO L481 AbstractCegarLoop]: Abstraction has 379 states and 621 transitions. [2018-10-27 12:22:01,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 12:22:01,239 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 621 transitions. [2018-10-27 12:22:01,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-27 12:22:01,247 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:22:01,247 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, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 12:22:01,248 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:22:01,248 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:22:01,248 INFO L82 PathProgramCache]: Analyzing trace with hash 1923545450, now seen corresponding path program 1 times [2018-10-27 12:22:01,248 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:22:01,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:22:01,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:22:01,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:22:01,250 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:22:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:22:01,492 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 12:22:01,493 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 12:22:01,493 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 12:22:01,493 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 12:22:01,495 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 12:22:01,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 12:22:01,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 12:22:01,496 INFO L87 Difference]: Start difference. First operand 379 states and 621 transitions. Second operand 6 states. [2018-10-27 12:22:03,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:22:03,717 INFO L93 Difference]: Finished difference Result 1229 states and 2094 transitions. [2018-10-27 12:22:03,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-27 12:22:03,719 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 159 [2018-10-27 12:22:03,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:22:03,731 INFO L225 Difference]: With dead ends: 1229 [2018-10-27 12:22:03,731 INFO L226 Difference]: Without dead ends: 856 [2018-10-27 12:22:03,741 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 12:22:03,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2018-10-27 12:22:03,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 823. [2018-10-27 12:22:03,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 823 states. [2018-10-27 12:22:03,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1292 transitions. [2018-10-27 12:22:03,805 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1292 transitions. Word has length 159 [2018-10-27 12:22:03,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:22:03,806 INFO L481 AbstractCegarLoop]: Abstraction has 823 states and 1292 transitions. [2018-10-27 12:22:03,806 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 12:22:03,806 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1292 transitions. [2018-10-27 12:22:03,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-10-27 12:22:03,820 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:22:03,825 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] [2018-10-27 12:22:03,825 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:22:03,826 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:22:03,826 INFO L82 PathProgramCache]: Analyzing trace with hash 497696213, now seen corresponding path program 1 times [2018-10-27 12:22:03,826 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:22:03,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:22:03,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:22:03,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:22:03,829 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:22:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:22:04,116 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 12:22:04,354 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 12:22:04,355 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 12:22:04,355 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 12:22:04,355 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 12:22:04,356 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 12:22:04,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 12:22:04,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 12:22:04,357 INFO L87 Difference]: Start difference. First operand 823 states and 1292 transitions. Second operand 6 states. [2018-10-27 12:22:08,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:22:08,069 INFO L93 Difference]: Finished difference Result 2557 states and 4222 transitions. [2018-10-27 12:22:08,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 12:22:08,072 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 166 [2018-10-27 12:22:08,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:22:08,092 INFO L225 Difference]: With dead ends: 2557 [2018-10-27 12:22:08,092 INFO L226 Difference]: Without dead ends: 1740 [2018-10-27 12:22:08,101 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 12:22:08,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1740 states. [2018-10-27 12:22:08,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1740 to 1682. [2018-10-27 12:22:08,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1682 states. [2018-10-27 12:22:08,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1682 states and 2540 transitions. [2018-10-27 12:22:08,197 INFO L78 Accepts]: Start accepts. Automaton has 1682 states and 2540 transitions. Word has length 166 [2018-10-27 12:22:08,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:22:08,197 INFO L481 AbstractCegarLoop]: Abstraction has 1682 states and 2540 transitions. [2018-10-27 12:22:08,198 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 12:22:08,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 2540 transitions. [2018-10-27 12:22:08,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-27 12:22:08,210 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:22:08,210 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:22:08,210 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:22:08,210 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:22:08,211 INFO L82 PathProgramCache]: Analyzing trace with hash 698255549, now seen corresponding path program 1 times [2018-10-27 12:22:08,211 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:22:08,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:22:08,212 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:22:08,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:22:08,213 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:22:08,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:22:08,423 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-27 12:22:08,423 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:22:08,424 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 12:22:08,425 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 169 with the following transitions: [2018-10-27 12:22:08,427 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 12:22:08,478 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 12:22:08,479 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 12:22:09,249 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 12:22:09,251 INFO L272 AbstractInterpreter]: Visited 144 different actions 144 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-10-27 12:22:09,272 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:22:09,272 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 12:22:09,783 INFO L227 lantSequenceWeakener]: Weakened 146 states. On average, predicates are now at 81.61% of their original sizes. [2018-10-27 12:22:09,784 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 12:22:10,708 INFO L415 sIntCurrentIteration]: We unified 167 AI predicates to 167 [2018-10-27 12:22:10,708 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 12:22:10,709 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 12:22:10,709 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [6] total 18 [2018-10-27 12:22:10,709 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 12:22:10,710 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-27 12:22:10,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-27 12:22:10,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-10-27 12:22:10,711 INFO L87 Difference]: Start difference. First operand 1682 states and 2540 transitions. Second operand 14 states. [2018-10-27 12:22:23,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:22:23,234 INFO L93 Difference]: Finished difference Result 3656 states and 5500 transitions. [2018-10-27 12:22:23,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-10-27 12:22:23,234 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 168 [2018-10-27 12:22:23,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:22:23,245 INFO L225 Difference]: With dead ends: 3656 [2018-10-27 12:22:23,245 INFO L226 Difference]: Without dead ends: 1980 [2018-10-27 12:22:23,252 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 180 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=193, Invalid=509, Unknown=0, NotChecked=0, Total=702 [2018-10-27 12:22:23,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1980 states. [2018-10-27 12:22:23,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1980 to 1827. [2018-10-27 12:22:23,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1827 states. [2018-10-27 12:22:23,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1827 states and 2692 transitions. [2018-10-27 12:22:23,304 INFO L78 Accepts]: Start accepts. Automaton has 1827 states and 2692 transitions. Word has length 168 [2018-10-27 12:22:23,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:22:23,304 INFO L481 AbstractCegarLoop]: Abstraction has 1827 states and 2692 transitions. [2018-10-27 12:22:23,305 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-10-27 12:22:23,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2692 transitions. [2018-10-27 12:22:23,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-27 12:22:23,313 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:22:23,314 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-10-27 12:22:23,314 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:22:23,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:22:23,315 INFO L82 PathProgramCache]: Analyzing trace with hash -2055274082, now seen corresponding path program 1 times [2018-10-27 12:22:23,315 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:22:23,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:22:23,316 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:22:23,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:22:23,317 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:22:23,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:22:23,555 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 32 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 12:22:23,555 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:22:23,555 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 12:22:23,556 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 179 with the following transitions: [2018-10-27 12:22:23,556 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 12:22:23,562 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 12:22:23,563 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 12:22:24,345 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 12:22:24,345 INFO L272 AbstractInterpreter]: Visited 148 different actions 443 times. Merged at 7 different actions 21 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-10-27 12:22:24,355 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:22:24,355 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 12:22:24,653 INFO L227 lantSequenceWeakener]: Weakened 175 states. On average, predicates are now at 81.3% of their original sizes. [2018-10-27 12:22:24,653 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 12:22:24,766 INFO L415 sIntCurrentIteration]: We unified 177 AI predicates to 177 [2018-10-27 12:22:24,766 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 12:22:24,766 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 12:22:24,766 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 17 [2018-10-27 12:22:24,767 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 12:22:24,767 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-27 12:22:24,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-27 12:22:24,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-10-27 12:22:24,768 INFO L87 Difference]: Start difference. First operand 1827 states and 2692 transitions. Second operand 10 states. [2018-10-27 12:22:30,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:22:30,654 INFO L93 Difference]: Finished difference Result 4463 states and 6600 transitions. [2018-10-27 12:22:30,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-10-27 12:22:30,655 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 178 [2018-10-27 12:22:30,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:22:30,670 INFO L225 Difference]: With dead ends: 4463 [2018-10-27 12:22:30,670 INFO L226 Difference]: Without dead ends: 2642 [2018-10-27 12:22:30,677 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 186 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2018-10-27 12:22:30,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2642 states. [2018-10-27 12:22:30,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2642 to 2556. [2018-10-27 12:22:30,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2556 states. [2018-10-27 12:22:30,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2556 states to 2556 states and 3571 transitions. [2018-10-27 12:22:30,761 INFO L78 Accepts]: Start accepts. Automaton has 2556 states and 3571 transitions. Word has length 178 [2018-10-27 12:22:30,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:22:30,762 INFO L481 AbstractCegarLoop]: Abstraction has 2556 states and 3571 transitions. [2018-10-27 12:22:30,762 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-27 12:22:30,762 INFO L276 IsEmpty]: Start isEmpty. Operand 2556 states and 3571 transitions. [2018-10-27 12:22:30,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-27 12:22:30,774 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:22:30,774 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-27 12:22:30,774 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:22:30,775 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:22:30,775 INFO L82 PathProgramCache]: Analyzing trace with hash 372209646, now seen corresponding path program 1 times [2018-10-27 12:22:30,775 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:22:30,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:22:30,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:22:30,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:22:30,777 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:22:30,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:22:31,433 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 26 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 12:22:31,433 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:22:31,433 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 12:22:31,434 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 181 with the following transitions: [2018-10-27 12:22:31,434 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 12:22:31,440 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 12:22:31,440 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 12:22:32,059 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 12:22:32,059 INFO L272 AbstractInterpreter]: Visited 148 different actions 440 times. Merged at 7 different actions 20 times. Never widened. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-27 12:22:32,064 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:22:32,065 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 12:22:32,065 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:22:32,065 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 12:22:32,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:22:32,074 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 12:22:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:22:32,170 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 12:22:32,258 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 12:22:32,259 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 12:22:32,748 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 12:22:32,783 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-10-27 12:22:32,783 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 8 [2018-10-27 12:22:32,784 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 12:22:32,784 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 12:22:32,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 12:22:32,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-10-27 12:22:32,785 INFO L87 Difference]: Start difference. First operand 2556 states and 3571 transitions. Second operand 3 states. [2018-10-27 12:22:34,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:22:34,877 INFO L93 Difference]: Finished difference Result 6492 states and 9490 transitions. [2018-10-27 12:22:34,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 12:22:34,879 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 180 [2018-10-27 12:22:34,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:22:34,905 INFO L225 Difference]: With dead ends: 6492 [2018-10-27 12:22:34,905 INFO L226 Difference]: Without dead ends: 3942 [2018-10-27 12:22:34,915 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 362 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-10-27 12:22:34,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3942 states. [2018-10-27 12:22:35,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3942 to 3935. [2018-10-27 12:22:35,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3935 states. [2018-10-27 12:22:35,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3935 states to 3935 states and 5398 transitions. [2018-10-27 12:22:35,029 INFO L78 Accepts]: Start accepts. Automaton has 3935 states and 5398 transitions. Word has length 180 [2018-10-27 12:22:35,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:22:35,030 INFO L481 AbstractCegarLoop]: Abstraction has 3935 states and 5398 transitions. [2018-10-27 12:22:35,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 12:22:35,030 INFO L276 IsEmpty]: Start isEmpty. Operand 3935 states and 5398 transitions. [2018-10-27 12:22:35,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-10-27 12:22:35,046 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:22:35,047 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:22:35,047 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:22:35,047 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:22:35,048 INFO L82 PathProgramCache]: Analyzing trace with hash 457812598, now seen corresponding path program 1 times [2018-10-27 12:22:35,048 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:22:35,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:22:35,049 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:22:35,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:22:35,049 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:22:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:22:35,510 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 12:22:35,511 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:22:35,511 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 12:22:35,511 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 185 with the following transitions: [2018-10-27 12:22:35,512 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [91], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 12:22:35,522 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 12:22:35,525 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 12:22:36,084 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 12:22:36,084 INFO L272 AbstractInterpreter]: Visited 147 different actions 290 times. Merged at 5 different actions 7 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-10-27 12:22:36,122 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:22:36,122 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 12:22:36,595 INFO L227 lantSequenceWeakener]: Weakened 95 states. On average, predicates are now at 81.75% of their original sizes. [2018-10-27 12:22:36,596 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 12:22:37,364 INFO L415 sIntCurrentIteration]: We unified 183 AI predicates to 183 [2018-10-27 12:22:37,364 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 12:22:37,365 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 12:22:37,365 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [6] total 22 [2018-10-27 12:22:37,365 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 12:22:37,366 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-10-27 12:22:37,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-10-27 12:22:37,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2018-10-27 12:22:37,367 INFO L87 Difference]: Start difference. First operand 3935 states and 5398 transitions. Second operand 18 states. [2018-10-27 12:22:49,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:22:49,498 INFO L93 Difference]: Finished difference Result 8621 states and 11858 transitions. [2018-10-27 12:22:49,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-27 12:22:49,498 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 184 [2018-10-27 12:22:49,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:22:49,517 INFO L225 Difference]: With dead ends: 8621 [2018-10-27 12:22:49,517 INFO L226 Difference]: Without dead ends: 4692 [2018-10-27 12:22:49,529 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 198 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=192, Invalid=864, Unknown=0, NotChecked=0, Total=1056 [2018-10-27 12:22:49,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4692 states. [2018-10-27 12:22:49,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4692 to 4680. [2018-10-27 12:22:49,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4680 states. [2018-10-27 12:22:49,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4680 states to 4680 states and 6295 transitions. [2018-10-27 12:22:49,644 INFO L78 Accepts]: Start accepts. Automaton has 4680 states and 6295 transitions. Word has length 184 [2018-10-27 12:22:49,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:22:49,644 INFO L481 AbstractCegarLoop]: Abstraction has 4680 states and 6295 transitions. [2018-10-27 12:22:49,644 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-10-27 12:22:49,644 INFO L276 IsEmpty]: Start isEmpty. Operand 4680 states and 6295 transitions. [2018-10-27 12:22:49,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-10-27 12:22:49,662 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:22:49,663 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-10-27 12:22:49,663 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:22:49,664 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:22:49,664 INFO L82 PathProgramCache]: Analyzing trace with hash -1775270718, now seen corresponding path program 1 times [2018-10-27 12:22:49,664 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:22:49,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:22:49,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:22:49,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:22:49,666 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:22:49,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:22:50,353 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 59 proven. 26 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-27 12:22:50,354 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:22:50,354 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 12:22:50,354 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 204 with the following transitions: [2018-10-27 12:22:50,355 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [91], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 12:22:50,358 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 12:22:50,358 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 12:22:51,500 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 12:22:51,501 INFO L272 AbstractInterpreter]: Visited 149 different actions 597 times. Merged at 8 different actions 34 times. Never widened. Found 8 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-27 12:22:51,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:22:51,506 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 12:22:51,819 INFO L227 lantSequenceWeakener]: Weakened 200 states. On average, predicates are now at 81.26% of their original sizes. [2018-10-27 12:22:51,820 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 12:22:52,330 INFO L415 sIntCurrentIteration]: We unified 202 AI predicates to 202 [2018-10-27 12:22:52,331 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 12:22:52,331 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 12:22:52,331 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 17 [2018-10-27 12:22:52,331 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 12:22:52,332 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-27 12:22:52,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-27 12:22:52,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-10-27 12:22:52,332 INFO L87 Difference]: Start difference. First operand 4680 states and 6295 transitions. Second operand 10 states. [2018-10-27 12:22:56,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:22:56,798 INFO L93 Difference]: Finished difference Result 10201 states and 13845 transitions. [2018-10-27 12:22:56,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-10-27 12:22:56,798 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 203 [2018-10-27 12:22:56,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:22:56,822 INFO L225 Difference]: With dead ends: 10201 [2018-10-27 12:22:56,822 INFO L226 Difference]: Without dead ends: 5527 [2018-10-27 12:22:56,835 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 211 GetRequests, 138 SyntacticMatches, 56 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 386 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2018-10-27 12:22:56,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5527 states. [2018-10-27 12:22:56,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5527 to 5446. [2018-10-27 12:22:56,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5446 states. [2018-10-27 12:22:56,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5446 states to 5446 states and 7244 transitions. [2018-10-27 12:22:56,970 INFO L78 Accepts]: Start accepts. Automaton has 5446 states and 7244 transitions. Word has length 203 [2018-10-27 12:22:56,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:22:56,971 INFO L481 AbstractCegarLoop]: Abstraction has 5446 states and 7244 transitions. [2018-10-27 12:22:56,971 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-27 12:22:56,971 INFO L276 IsEmpty]: Start isEmpty. Operand 5446 states and 7244 transitions. [2018-10-27 12:22:56,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-10-27 12:22:56,989 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:22:56,989 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:22:56,989 INFO L424 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:22:56,990 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:22:56,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1322312767, now seen corresponding path program 1 times [2018-10-27 12:22:56,990 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:22:56,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:22:56,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:22:56,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:22:56,991 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:22:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:22:57,351 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 64 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-27 12:22:57,351 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:22:57,351 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 12:22:57,351 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 204 with the following transitions: [2018-10-27 12:22:57,352 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 12:22:57,354 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 12:22:57,354 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 12:22:58,565 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 12:22:58,565 INFO L272 AbstractInterpreter]: Visited 149 different actions 742 times. Merged at 8 different actions 44 times. Widened at 1 different actions 1 times. Found 9 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-27 12:22:58,572 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:22:58,572 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 12:22:58,572 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:22:58,572 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 12:22:58,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:22:58,581 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 12:22:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:22:58,671 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 12:22:58,756 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 49 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-10-27 12:22:58,756 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 12:22:59,029 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 64 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-27 12:22:59,051 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 12:22:59,051 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-10-27 12:22:59,051 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 12:22:59,052 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 12:22:59,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 12:22:59,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-10-27 12:22:59,053 INFO L87 Difference]: Start difference. First operand 5446 states and 7244 transitions. Second operand 9 states. [2018-10-27 12:23:04,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:23:04,225 INFO L93 Difference]: Finished difference Result 16091 states and 21993 transitions. [2018-10-27 12:23:04,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-10-27 12:23:04,226 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 203 [2018-10-27 12:23:04,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:23:04,269 INFO L225 Difference]: With dead ends: 16091 [2018-10-27 12:23:04,270 INFO L226 Difference]: Without dead ends: 10651 [2018-10-27 12:23:04,294 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 465 GetRequests, 428 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=319, Invalid=1087, Unknown=0, NotChecked=0, Total=1406 [2018-10-27 12:23:04,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10651 states. [2018-10-27 12:23:04,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10651 to 9638. [2018-10-27 12:23:04,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9638 states. [2018-10-27 12:23:04,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9638 states to 9638 states and 11706 transitions. [2018-10-27 12:23:04,540 INFO L78 Accepts]: Start accepts. Automaton has 9638 states and 11706 transitions. Word has length 203 [2018-10-27 12:23:04,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:23:04,541 INFO L481 AbstractCegarLoop]: Abstraction has 9638 states and 11706 transitions. [2018-10-27 12:23:04,541 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 12:23:04,541 INFO L276 IsEmpty]: Start isEmpty. Operand 9638 states and 11706 transitions. [2018-10-27 12:23:04,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-10-27 12:23:04,576 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:23:04,576 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-27 12:23:04,577 INFO L424 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:23:04,577 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:23:04,577 INFO L82 PathProgramCache]: Analyzing trace with hash 1113625625, now seen corresponding path program 1 times [2018-10-27 12:23:04,577 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:23:04,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:23:04,578 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:23:04,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:23:04,579 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:23:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:23:04,844 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-10-27 12:23:05,208 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-27 12:23:05,733 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 120 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 12:23:05,733 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:23:05,733 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 12:23:05,733 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 252 with the following transitions: [2018-10-27 12:23:05,734 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 12:23:05,736 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 12:23:05,737 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 12:23:06,295 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 12:23:06,295 INFO L272 AbstractInterpreter]: Visited 151 different actions 448 times. Merged at 8 different actions 23 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 38 variables. [2018-10-27 12:23:06,304 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:23:06,304 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 12:23:06,304 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:23:06,304 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 12:23:06,561 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:23:06,561 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 12:23:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:23:06,648 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 12:23:06,743 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 12:23:06,743 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 12:23:06,891 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 12:23:06,912 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 12:23:06,912 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 16 [2018-10-27 12:23:06,912 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 12:23:06,913 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-27 12:23:06,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-27 12:23:06,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2018-10-27 12:23:06,914 INFO L87 Difference]: Start difference. First operand 9638 states and 11706 transitions. Second operand 15 states. [2018-10-27 12:23:11,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:23:11,140 INFO L93 Difference]: Finished difference Result 22043 states and 27647 transitions. [2018-10-27 12:23:11,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-10-27 12:23:11,140 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 251 [2018-10-27 12:23:11,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:23:11,171 INFO L225 Difference]: With dead ends: 22043 [2018-10-27 12:23:11,171 INFO L226 Difference]: Without dead ends: 9567 [2018-10-27 12:23:11,203 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 544 GetRequests, 512 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=264, Invalid=666, Unknown=0, NotChecked=0, Total=930 [2018-10-27 12:23:11,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9567 states. [2018-10-27 12:23:11,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9567 to 9451. [2018-10-27 12:23:11,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9451 states. [2018-10-27 12:23:11,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9451 states to 9451 states and 10976 transitions. [2018-10-27 12:23:11,410 INFO L78 Accepts]: Start accepts. Automaton has 9451 states and 10976 transitions. Word has length 251 [2018-10-27 12:23:11,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:23:11,411 INFO L481 AbstractCegarLoop]: Abstraction has 9451 states and 10976 transitions. [2018-10-27 12:23:11,411 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-27 12:23:11,411 INFO L276 IsEmpty]: Start isEmpty. Operand 9451 states and 10976 transitions. [2018-10-27 12:23:11,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-10-27 12:23:11,444 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:23:11,444 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-27 12:23:11,444 INFO L424 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:23:11,444 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:23:11,447 INFO L82 PathProgramCache]: Analyzing trace with hash 751440657, now seen corresponding path program 1 times [2018-10-27 12:23:11,448 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:23:11,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:23:11,449 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:23:11,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:23:11,449 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:23:11,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:23:11,723 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 12:23:12,416 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 155 proven. 53 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-27 12:23:12,416 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:23:12,416 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 12:23:12,416 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 279 with the following transitions: [2018-10-27 12:23:12,417 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [67], [68], [72], [76], [80], [84], [88], [92], [96], [99], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 12:23:12,419 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 12:23:12,420 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 12:23:13,117 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 12:23:13,117 INFO L272 AbstractInterpreter]: Visited 152 different actions 609 times. Merged at 9 different actions 41 times. Widened at 1 different actions 1 times. Found 9 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-27 12:23:13,124 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:23:13,124 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 12:23:13,124 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:23:13,124 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 12:23:13,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:23:13,132 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 12:23:13,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:23:13,232 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 12:23:13,445 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 154 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-10-27 12:23:13,445 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 12:23:13,647 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 167 proven. 28 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-27 12:23:13,668 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 12:23:13,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2018-10-27 12:23:13,668 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 12:23:13,669 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-27 12:23:13,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-27 12:23:13,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2018-10-27 12:23:13,669 INFO L87 Difference]: Start difference. First operand 9451 states and 10976 transitions. Second operand 11 states. [2018-10-27 12:23:15,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:23:15,216 INFO L93 Difference]: Finished difference Result 19490 states and 23016 transitions. [2018-10-27 12:23:15,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-10-27 12:23:15,216 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 278 [2018-10-27 12:23:15,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:23:15,246 INFO L225 Difference]: With dead ends: 19490 [2018-10-27 12:23:15,247 INFO L226 Difference]: Without dead ends: 9945 [2018-10-27 12:23:15,265 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 578 GetRequests, 558 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2018-10-27 12:23:15,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9945 states. [2018-10-27 12:23:15,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9945 to 9814. [2018-10-27 12:23:15,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9814 states. [2018-10-27 12:23:15,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9814 states to 9814 states and 11150 transitions. [2018-10-27 12:23:15,523 INFO L78 Accepts]: Start accepts. Automaton has 9814 states and 11150 transitions. Word has length 278 [2018-10-27 12:23:15,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:23:15,524 INFO L481 AbstractCegarLoop]: Abstraction has 9814 states and 11150 transitions. [2018-10-27 12:23:15,524 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-27 12:23:15,524 INFO L276 IsEmpty]: Start isEmpty. Operand 9814 states and 11150 transitions. [2018-10-27 12:23:15,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-10-27 12:23:15,554 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:23:15,554 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:23:15,554 INFO L424 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:23:15,555 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:23:15,555 INFO L82 PathProgramCache]: Analyzing trace with hash -885625704, now seen corresponding path program 1 times [2018-10-27 12:23:15,555 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:23:15,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:23:15,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:23:15,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:23:15,556 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:23:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:23:16,758 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 156 proven. 35 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-10-27 12:23:16,758 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:23:16,758 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 12:23:16,758 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 303 with the following transitions: [2018-10-27 12:23:16,759 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [71], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [163], [166], [170], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 12:23:16,761 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 12:23:16,761 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 12:23:17,172 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 12:23:17,173 INFO L272 AbstractInterpreter]: Visited 151 different actions 451 times. Merged at 7 different actions 21 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-10-27 12:23:17,178 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:23:17,178 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 12:23:17,491 INFO L227 lantSequenceWeakener]: Weakened 296 states. On average, predicates are now at 81.07% of their original sizes. [2018-10-27 12:23:17,491 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 12:23:17,577 INFO L415 sIntCurrentIteration]: We unified 301 AI predicates to 301 [2018-10-27 12:23:17,578 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 12:23:17,578 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 12:23:17,578 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [9] total 18 [2018-10-27 12:23:17,578 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 12:23:17,579 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-27 12:23:17,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-27 12:23:17,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2018-10-27 12:23:17,579 INFO L87 Difference]: Start difference. First operand 9814 states and 11150 transitions. Second operand 11 states. [2018-10-27 12:23:23,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:23:23,581 INFO L93 Difference]: Finished difference Result 20262 states and 23361 transitions. [2018-10-27 12:23:23,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-10-27 12:23:23,581 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 302 [2018-10-27 12:23:23,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:23:23,612 INFO L225 Difference]: With dead ends: 20262 [2018-10-27 12:23:23,612 INFO L226 Difference]: Without dead ends: 12270 [2018-10-27 12:23:23,626 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 319 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=175, Invalid=637, Unknown=0, NotChecked=0, Total=812 [2018-10-27 12:23:23,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12270 states. [2018-10-27 12:23:23,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12270 to 12164. [2018-10-27 12:23:23,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12164 states. [2018-10-27 12:23:23,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12164 states to 12164 states and 13811 transitions. [2018-10-27 12:23:23,856 INFO L78 Accepts]: Start accepts. Automaton has 12164 states and 13811 transitions. Word has length 302 [2018-10-27 12:23:23,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:23:23,856 INFO L481 AbstractCegarLoop]: Abstraction has 12164 states and 13811 transitions. [2018-10-27 12:23:23,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-27 12:23:23,857 INFO L276 IsEmpty]: Start isEmpty. Operand 12164 states and 13811 transitions. [2018-10-27 12:23:23,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-10-27 12:23:23,875 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:23:23,875 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:23:23,876 INFO L424 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:23:23,876 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:23:23,876 INFO L82 PathProgramCache]: Analyzing trace with hash -1360438372, now seen corresponding path program 1 times [2018-10-27 12:23:23,876 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:23:23,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:23:23,877 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:23:23,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:23:23,877 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:23:23,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:23:24,405 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 253 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 12:23:24,406 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:23:24,406 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 12:23:24,406 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 310 with the following transitions: [2018-10-27 12:23:24,407 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [236], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 12:23:24,409 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 12:23:24,410 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 12:23:26,345 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 12:23:26,346 INFO L272 AbstractInterpreter]: Visited 151 different actions 1195 times. Merged at 8 different actions 71 times. Widened at 1 different actions 4 times. Found 14 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-27 12:23:26,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:23:26,349 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 12:23:26,349 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:23:26,350 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 12:23:26,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:23:26,359 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 12:23:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:23:26,459 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 12:23:26,554 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-10-27 12:23:26,554 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 12:23:26,659 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-10-27 12:23:26,681 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-10-27 12:23:26,681 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [10] total 11 [2018-10-27 12:23:26,682 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 12:23:26,682 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 12:23:26,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 12:23:26,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-10-27 12:23:26,683 INFO L87 Difference]: Start difference. First operand 12164 states and 13811 transitions. Second operand 3 states. [2018-10-27 12:23:27,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:23:27,300 INFO L93 Difference]: Finished difference Result 16596 states and 18807 transitions. [2018-10-27 12:23:27,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 12:23:27,300 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 309 [2018-10-27 12:23:27,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:23:27,301 INFO L225 Difference]: With dead ends: 16596 [2018-10-27 12:23:27,301 INFO L226 Difference]: Without dead ends: 0 [2018-10-27 12:23:27,320 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 627 GetRequests, 618 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-10-27 12:23:27,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-27 12:23:27,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-27 12:23:27,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-27 12:23:27,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 12:23:27,321 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 309 [2018-10-27 12:23:27,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:23:27,321 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 12:23:27,321 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 12:23:27,322 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-27 12:23:27,322 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 12:23:27,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-27 12:23:27,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:27,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:27,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:27,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:27,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:27,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:27,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:27,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:27,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:27,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:27,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:27,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:27,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:27,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:27,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:27,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:28,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:28,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:28,022 WARN L179 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 182 [2018-10-27 12:23:28,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:28,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:28,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:28,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:28,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:28,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:28,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:28,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:28,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:28,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:28,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:28,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:28,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:28,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:28,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:28,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:28,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:28,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:28,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:28,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:28,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:28,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:28,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:28,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:28,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:28,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:28,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:23:28,631 WARN L179 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 222 [2018-10-27 12:23:29,688 WARN L179 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 61 DAG size of output: 49 [2018-10-27 12:23:30,982 WARN L179 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 137 DAG size of output: 77 [2018-10-27 12:23:34,639 WARN L179 SmtUtils]: Spent 3.62 s on a formula simplification. DAG size of input: 321 DAG size of output: 89 [2018-10-27 12:23:35,595 WARN L179 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 109 [2018-10-27 12:23:37,481 WARN L179 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 242 DAG size of output: 109 [2018-10-27 12:23:37,484 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-27 12:23:37,484 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-10-27 12:23:37,484 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-27 12:23:37,484 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,485 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,485 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,485 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,485 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,485 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-10-27 12:23:37,485 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-10-27 12:23:37,485 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-10-27 12:23:37,485 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-10-27 12:23:37,485 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-10-27 12:23:37,485 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-10-27 12:23:37,486 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-10-27 12:23:37,486 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-10-27 12:23:37,486 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-10-27 12:23:37,486 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-10-27 12:23:37,486 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-10-27 12:23:37,486 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-10-27 12:23:37,486 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-10-27 12:23:37,486 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,486 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,486 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,486 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,486 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-10-27 12:23:37,486 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,487 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-10-27 12:23:37,487 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-10-27 12:23:37,487 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-10-27 12:23:37,487 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-10-27 12:23:37,487 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-10-27 12:23:37,487 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-10-27 12:23:37,487 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-10-27 12:23:37,487 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-10-27 12:23:37,487 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-10-27 12:23:37,487 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-10-27 12:23:37,487 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-10-27 12:23:37,487 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-10-27 12:23:37,488 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-10-27 12:23:37,488 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-10-27 12:23:37,488 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-10-27 12:23:37,488 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,488 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,488 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,488 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,488 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,488 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-10-27 12:23:37,489 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-10-27 12:23:37,489 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-10-27 12:23:37,489 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-10-27 12:23:37,489 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-10-27 12:23:37,489 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-10-27 12:23:37,489 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-10-27 12:23:37,489 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-10-27 12:23:37,489 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-10-27 12:23:37,489 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-10-27 12:23:37,489 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-10-27 12:23:37,490 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,490 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,490 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,490 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,490 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,490 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-10-27 12:23:37,490 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-10-27 12:23:37,490 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-10-27 12:23:37,490 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-10-27 12:23:37,491 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-10-27 12:23:37,491 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2018-10-27 12:23:37,491 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-10-27 12:23:37,491 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-10-27 12:23:37,491 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-10-27 12:23:37,491 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-10-27 12:23:37,491 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-10-27 12:23:37,491 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-10-27 12:23:37,491 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-10-27 12:23:37,492 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-10-27 12:23:37,492 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,492 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,492 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,492 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,492 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,492 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-10-27 12:23:37,492 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-10-27 12:23:37,492 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-10-27 12:23:37,493 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-10-27 12:23:37,493 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-10-27 12:23:37,493 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-10-27 12:23:37,493 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-10-27 12:23:37,493 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-10-27 12:23:37,493 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-10-27 12:23:37,493 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-10-27 12:23:37,493 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-10-27 12:23:37,493 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-10-27 12:23:37,493 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-10-27 12:23:37,493 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-10-27 12:23:37,494 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-10-27 12:23:37,494 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-10-27 12:23:37,494 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,494 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,494 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,494 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,494 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-10-27 12:23:37,494 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,494 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-10-27 12:23:37,494 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,495 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-10-27 12:23:37,495 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-10-27 12:23:37,495 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-10-27 12:23:37,495 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,495 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,495 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-10-27 12:23:37,495 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-10-27 12:23:37,495 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-10-27 12:23:37,495 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-10-27 12:23:37,495 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-10-27 12:23:37,495 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-10-27 12:23:37,496 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-10-27 12:23:37,496 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-10-27 12:23:37,496 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-10-27 12:23:37,496 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-10-27 12:23:37,496 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-10-27 12:23:37,496 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,496 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,496 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,496 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,496 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,496 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,497 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-10-27 12:23:37,497 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-10-27 12:23:37,497 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-10-27 12:23:37,497 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-10-27 12:23:37,497 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-10-27 12:23:37,497 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-10-27 12:23:37,497 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-10-27 12:23:37,497 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-10-27 12:23:37,497 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-10-27 12:23:37,498 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-10-27 12:23:37,498 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-10-27 12:23:37,498 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,498 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,498 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,498 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,498 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,498 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,498 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-10-27 12:23:37,498 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-10-27 12:23:37,499 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-10-27 12:23:37,499 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-10-27 12:23:37,499 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-10-27 12:23:37,499 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-10-27 12:23:37,499 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-10-27 12:23:37,499 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-10-27 12:23:37,499 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-10-27 12:23:37,499 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-10-27 12:23:37,499 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-10-27 12:23:37,499 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-10-27 12:23:37,499 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-10-27 12:23:37,500 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-10-27 12:23:37,500 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,500 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,500 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,500 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse5 (= 1 |old(~a25~0)|)) (.cse13 (= |old(~a19~0)| ~a19~0)) (.cse25 (= 7 ~a17~0)) (.cse23 (= ~a19~0 1)) (.cse15 (= ~a25~0 |old(~a25~0)|)) (.cse27 (= ~a11~0 |old(~a11~0)|)) (.cse12 (= |old(~a28~0)| ~a28~0)) (.cse24 (= ~a17~0 8))) (let ((.cse18 (< 6 |calculate_output_#in~input|)) (.cse19 (< |old(~a28~0)| 7)) (.cse21 (not (= 1 |old(~a19~0)|))) (.cse20 (and .cse23 .cse15 .cse27 .cse12 .cse24)) (.cse16 (not (= |old(~a17~0)| 8))) (.cse22 (< |calculate_output_#in~input| 1)) (.cse7 (= 10 |old(~a28~0)|)) (.cse14 (= ~a11~0 1)) (.cse17 (not (= 1 |old(~a11~0)|))) (.cse9 (and .cse12 .cse13 .cse27 .cse25 .cse15)) (.cse8 (= |old(~a17~0)| |old(~a28~0)|)) (.cse3 (= |old(~a11~0)| |old(~a19~0)|)) (.cse10 (not (= 7 |old(~a17~0)|))) (.cse0 (< 10 |old(~a28~0)|)) (.cse1 (not (= 1 ~a21~0))) (.cse11 (not .cse5)) (.cse6 (and .cse12 .cse13 (= ~a11~0 0) .cse24 .cse15)) (.cse2 (not (= 0 |old(~a11~0)|))) (.cse4 (not (= 8 |old(~a17~0)|))) (.cse26 (< 0 |old(~a19~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse9 .cse10) (or .cse11 .cse9 .cse10) (or .cse0 (and .cse12 .cse13 (= ~a17~0 |old(~a17~0)|) .cse14 .cse15) .cse7 .cse8 .cse16 .cse3 .cse17 .cse5) (or .cse18 .cse1 .cse11 .cse17 .cse19 .cse0 .cse20 .cse21 .cse8 .cse16 .cse22) (or .cse18 .cse1 .cse11 (and .cse23 .cse15 (<= 0 ~a11~0) .cse12 (<= ~a11~0 1) .cse24 (not (= ~a19~0 ~a11~0))) .cse2 .cse21 .cse16 .cse22) (or .cse1 .cse11 (< |old(~a28~0)| 11) .cse6 .cse2 .cse3 .cse4) (or .cse18 .cse1 (< |old(~a25~0)| 0) .cse17 .cse19 .cse0 .cse21 (< 1 |old(~a25~0)|) .cse7 .cse8 .cse20 .cse16 .cse22) (or .cse0 .cse1 .cse7 .cse2 .cse6 .cse4) (or .cse0 .cse8 (and .cse13 .cse25 (<= ~a28~0 10) .cse14 (<= |old(~a28~0)| ~a28~0) .cse15) .cse17 .cse10) (or .cse9 .cse8 .cse3 .cse26 .cse10) (or .cse0 .cse1 .cse11 .cse6 .cse2 .cse4 .cse26)))) [2018-10-27 12:23:37,500 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,501 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,501 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,501 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-10-27 12:23:37,501 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-10-27 12:23:37,501 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-10-27 12:23:37,501 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-10-27 12:23:37,501 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-10-27 12:23:37,501 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-10-27 12:23:37,501 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-10-27 12:23:37,502 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-10-27 12:23:37,502 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-10-27 12:23:37,502 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-10-27 12:23:37,502 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-10-27 12:23:37,502 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-10-27 12:23:37,502 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-10-27 12:23:37,502 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,502 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,502 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,502 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,502 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,502 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,502 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-10-27 12:23:37,502 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-10-27 12:23:37,502 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-10-27 12:23:37,503 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-10-27 12:23:37,503 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-10-27 12:23:37,503 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-10-27 12:23:37,503 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-10-27 12:23:37,503 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-10-27 12:23:37,503 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-10-27 12:23:37,503 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-10-27 12:23:37,503 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-10-27 12:23:37,503 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-10-27 12:23:37,503 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-10-27 12:23:37,503 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-10-27 12:23:37,503 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-10-27 12:23:37,503 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-10-27 12:23:37,503 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,503 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,504 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,504 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,504 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:23:37,504 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-10-27 12:23:37,504 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-10-27 12:23:37,504 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-10-27 12:23:37,504 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-10-27 12:23:37,504 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-10-27 12:23:37,504 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-10-27 12:23:37,504 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-10-27 12:23:37,504 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-10-27 12:23:37,504 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-10-27 12:23:37,504 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-10-27 12:23:37,504 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-10-27 12:23:37,505 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-10-27 12:23:37,505 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-10-27 12:23:37,505 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-10-27 12:23:37,505 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-10-27 12:23:37,505 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-10-27 12:23:37,505 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-10-27 12:23:37,505 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-10-27 12:23:37,505 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-10-27 12:23:37,505 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-27 12:23:37,505 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~z~0 26) (= ~c~0 3) (= ~a21~0 1) (= ~f~0 6) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~y~0 25) (= ~e~0 5) (= ~x~0 24) (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a~0 1) (= ~a19~0 1) (= ~a28~0 7)) [2018-10-27 12:23:37,505 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-27 12:23:37,506 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-27 12:23:37,506 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= |old(~a11~0)| 0)) (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= ~a21~0 1)) (not (= ~y~0 25)) (and (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|) (= ~a11~0 |old(~a11~0)|) (= |old(~a28~0)| ~a28~0) (= ~a17~0 8)) (not (= 3 ~c~0)) (not (= |old(~a25~0)| 0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= 8 |old(~a17~0)|)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-10-27 12:23:37,506 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-10-27 12:23:37,506 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse7 (<= 7 ~a28~0)) (.cse6 (= ~a19~0 1)) (.cse11 (not (= ~a25~0 1))) (.cse10 (not (= ~a19~0 ~a11~0))) (.cse3 (not (= ~a28~0 10))) (.cse4 (not (= ~a28~0 ~a17~0))) (.cse9 (= 7 ~a17~0)) (.cse12 (= ~a11~0 1)) (.cse8 (<= ~a19~0 0)) (.cse1 (<= ~a28~0 10)) (.cse5 (= 1 ~a25~0)) (.cse0 (= ~a11~0 0)) (.cse2 (= ~a17~0 8))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (and .cse5 (and (<= ~a11~0 1) .cse1 .cse2 .cse6 .cse7 (<= 0 ~a11~0)))) (and .cse8 .cse4 .cse9 .cse10) (and .cse4 .cse9 .cse3) (not (= ~a21~0 1)) (not (= ~y~0 25)) (and .cse11 .cse1 .cse0 .cse2 .cse10) (and .cse1 .cse7 (<= ~a25~0 1) .cse3 (<= 0 ~a25~0) .cse4 .cse2 .cse6 .cse12) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (and .cse9 .cse5) (not (= 22 ~v~0)) (not (= |old(~a11~0)| 0)) (and .cse5 .cse10 (<= 11 ~a28~0) .cse0 .cse2) (not (= ~z~0 26)) (not (= 0 |old(~a25~0)|)) (and .cse4 .cse11 (= |old(~a17~0)| ~a17~0) .cse1 .cse10 .cse12 .cse3) (not (= 3 ~c~0)) (not (= 23 ~w~0)) (and .cse4 .cse9 .cse12) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 8)) (and .cse8 .cse1 .cse5 .cse0 .cse2) (not (= 6 ~f~0)))) [2018-10-27 12:23:37,506 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-10-27 12:23:37,506 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-10-27 12:23:37,506 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse4 (<= 1 main_~input~0)) (.cse5 (<= main_~input~0 6)) (.cse12 (<= 7 ~a28~0)) (.cse7 (= ~a19~0 1)) (.cse14 (not (= ~a25~0 1))) (.cse11 (not (= ~a19~0 ~a11~0))) (.cse3 (not (= ~a28~0 10))) (.cse9 (not (= ~a28~0 ~a17~0))) (.cse10 (= 7 ~a17~0)) (.cse13 (= ~a11~0 1)) (.cse8 (<= ~a19~0 0)) (.cse1 (<= ~a28~0 10)) (.cse6 (= 1 ~a25~0)) (.cse0 (= ~a11~0 0)) (.cse2 (= ~a17~0 8))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse0 .cse2 .cse7) (and .cse8 .cse9 .cse10 .cse11) (and .cse9 .cse10 .cse3) (and .cse6 (<= 11 ~a28~0) .cse0 .cse2 .cse11) (not (= ~a21~0 1)) (and .cse4 .cse5 .cse6 .cse1 .cse12 .cse9 .cse2 .cse7 .cse13) (not (= ~y~0 25)) (and .cse14 .cse1 .cse0 .cse2 .cse11) (and .cse4 .cse5 .cse1 .cse12 (<= ~a25~0 1) .cse3 (<= 0 ~a25~0) .cse9 .cse2 .cse7 .cse13) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (and .cse10 .cse6) (not (= 22 ~v~0)) (not (= |old(~a11~0)| 0)) (not (= ~z~0 26)) (not (= 0 |old(~a25~0)|)) (and .cse9 .cse14 (= |old(~a17~0)| ~a17~0) .cse1 .cse11 .cse13 .cse3) (not (= 3 ~c~0)) (not (= 23 ~w~0)) (and .cse9 .cse10 .cse13) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 8)) (and .cse8 .cse1 .cse6 .cse0 .cse2) (not (= 6 ~f~0)))) [2018-10-27 12:23:37,507 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-10-27 12:23:37,507 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-10-27 12:23:37,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 12:23:37 BoogieIcfgContainer [2018-10-27 12:23:37,523 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 12:23:37,524 INFO L168 Benchmark]: Toolchain (without parser) took 103295.93 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 3.5 GB in the end (delta: -2.1 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-10-27 12:23:37,526 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 12:23:37,526 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.31 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-10-27 12:23:37,527 INFO L168 Benchmark]: Boogie Procedure Inliner took 219.17 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 738.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -827.9 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2018-10-27 12:23:37,528 INFO L168 Benchmark]: Boogie Preprocessor took 106.73 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2018-10-27 12:23:37,528 INFO L168 Benchmark]: RCFGBuilder took 3350.06 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: 104.7 MB). Peak memory consumption was 104.7 MB. Max. memory is 7.1 GB. [2018-10-27 12:23:37,529 INFO L168 Benchmark]: TraceAbstraction took 98921.43 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 3.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-10-27 12:23:37,534 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 693.31 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 219.17 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 738.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -827.9 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.73 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3350.06 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: 104.7 MB). Peak memory consumption was 104.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 98921.43 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 3.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 580]: 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: 606]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((a11 == 0 && a28 <= 10) && a17 == 8) && !(a28 == 10)) || (!(a28 == a17) && 1 == a25 && ((((a11 <= 1 && a28 <= 10) && a17 == 8) && a19 == 1) && 7 <= a28) && 0 <= a11)) || (((a19 <= 0 && !(a28 == a17)) && 7 == a17) && !(a19 == a11))) || ((!(a28 == a17) && 7 == a17) && !(a28 == 10))) || !(a21 == 1)) || !(y == 25)) || ((((!(a25 == 1) && a28 <= 10) && a11 == 0) && a17 == 8) && !(a19 == a11))) || ((((((((a28 <= 10 && 7 <= a28) && a25 <= 1) && !(a28 == 10)) && 0 <= a25) && !(a28 == a17)) && a17 == 8) && a19 == 1) && a11 == 1)) || !(1 == \old(a19))) || !(x == 24)) || !(e == 5)) || !(d == 4)) || !(21 == u)) || (7 == a17 && 1 == a25)) || !(22 == v)) || !(\old(a11) == 0)) || ((((1 == a25 && !(a19 == a11)) && 11 <= a28) && a11 == 0) && a17 == 8)) || !(z == 26)) || !(0 == \old(a25))) || ((((((!(a28 == a17) && !(a25 == 1)) && \old(a17) == a17) && a28 <= 10) && !(a19 == a11)) && a11 == 1) && !(a28 == 10))) || !(3 == c)) || !(23 == w)) || ((!(a28 == a17) && 7 == a17) && a11 == 1)) || !(\old(a28) == 7)) || !(a == 1)) || !(\old(a17) == 8)) || ((((a19 <= 0 && a28 <= 10) && 1 == a25) && a11 == 0) && a17 == 8)) || !(6 == f) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 98.8s OverallTime, 13 OverallIterations, 6 TraceHistogramMax, 62.6s AutomataDifference, 0.0s DeadEndRemovalTime, 10.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2369 SDtfs, 13782 SDslu, 3119 SDs, 0 SdLazy, 17847 SolverSat, 3270 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27.2s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 3704 GetRequests, 3405 SyntacticMatches, 70 SemanticMatches, 229 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1624 ImplicationChecksByTransitivity, 8.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12164occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 8.9s AbstIntTime, 10 AbstIntIterations, 5 AbstIntStrong, 0.9969388136606862 AbsIntWeakeningRatio, 0.20194174757281552 AbsIntAvgWeakeningVarsNumRemoved, 27.96893203883495 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 1796 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 393 PreInvPairs, 518 NumberOfFragments, 1193 HoareAnnotationTreeSize, 393 FomulaSimplifications, 30348 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 14428 FormulaSimplificationTreeSizeReductionInter, 8.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 8.3s InterpolantComputationTime, 3945 NumberOfCodeBlocks, 3945 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 5143 ConstructedInterpolants, 0 QuantifiedInterpolants, 2573255 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2727 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 23 InterpolantComputations, 7 PerfectInterpolantSequences, 2695/2965 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...