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-EXP.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 06:12:49,407 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 06:12:49,410 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 06:12:49,427 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 06:12:49,427 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 06:12:49,428 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 06:12:49,430 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 06:12:49,432 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 06:12:49,435 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 06:12:49,436 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 06:12:49,444 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 06:12:49,444 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 06:12:49,445 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 06:12:49,448 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 06:12:49,451 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 06:12:49,452 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 06:12:49,453 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 06:12:49,454 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 06:12:49,459 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 06:12:49,460 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 06:12:49,461 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 06:12:49,463 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 06:12:49,466 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 06:12:49,466 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 06:12:49,466 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 06:12:49,467 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 06:12:49,469 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 06:12:49,469 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 06:12:49,470 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 06:12:49,472 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 06:12:49,472 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 06:12:49,473 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 06:12:49,473 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 06:12:49,473 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 06:12:49,476 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 06:12:49,476 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 06:12:49,477 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-27 06:12:49,495 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 06:12:49,495 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 06:12:49,496 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 06:12:49,496 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 06:12:49,496 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 06:12:49,497 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 06:12:49,497 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-27 06:12:49,497 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 06:12:49,497 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-27 06:12:49,497 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 06:12:49,498 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 06:12:49,498 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 06:12:49,498 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 06:12:49,498 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 06:12:49,499 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 06:12:49,499 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 06:12:49,499 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 06:12:49,499 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 06:12:49,500 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 06:12:49,500 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 06:12:49,500 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 06:12:49,500 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 06:12:49,500 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 06:12:49,500 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 06:12:49,501 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 06:12:49,501 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 06:12:49,501 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 06:12:49,501 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 06:12:49,501 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 06:12:49,501 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 06:12:49,502 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 06:12:49,502 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 06:12:49,502 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 06:12:49,502 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 06:12:49,502 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 06:12:49,503 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 06:12:49,559 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 06:12:49,571 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 06:12:49,575 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 06:12:49,577 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 06:12:49,577 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 06:12:49,578 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label26_true-unreach-call_false-termination.c [2018-10-27 06:12:49,640 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/73b3f1e3c/96f3956add2c49b8851411799d6af0a8/FLAGa10e1eb3b [2018-10-27 06:12:50,179 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 06:12:50,180 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label26_true-unreach-call_false-termination.c [2018-10-27 06:12:50,196 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/73b3f1e3c/96f3956add2c49b8851411799d6af0a8/FLAGa10e1eb3b [2018-10-27 06:12:50,211 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/73b3f1e3c/96f3956add2c49b8851411799d6af0a8 [2018-10-27 06:12:50,228 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 06:12:50,230 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 06:12:50,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 06:12:50,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 06:12:50,237 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 06:12:50,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:12:50" (1/1) ... [2018-10-27 06:12:50,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@721e158a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:50, skipping insertion in model container [2018-10-27 06:12:50,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:12:50" (1/1) ... [2018-10-27 06:12:50,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 06:12:50,326 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 06:12:50,793 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:12:50,801 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 06:12:50,944 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:12:50,962 INFO L193 MainTranslator]: Completed translation [2018-10-27 06:12:50,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:50 WrapperNode [2018-10-27 06:12:50,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 06:12:50,964 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 06:12:50,964 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 06:12:50,964 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 06:12:50,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:50" (1/1) ... [2018-10-27 06:12:51,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:50" (1/1) ... [2018-10-27 06:12:51,193 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 06:12:51,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 06:12:51,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 06:12:51,194 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 06:12:51,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:50" (1/1) ... [2018-10-27 06:12:51,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:50" (1/1) ... [2018-10-27 06:12:51,218 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:50" (1/1) ... [2018-10-27 06:12:51,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:50" (1/1) ... [2018-10-27 06:12:51,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:50" (1/1) ... [2018-10-27 06:12:51,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:50" (1/1) ... [2018-10-27 06:12:51,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:50" (1/1) ... [2018-10-27 06:12:51,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 06:12:51,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 06:12:51,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 06:12:51,310 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 06:12:51,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:50" (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 06:12:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 06:12:51,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 06:12:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 06:12:51,388 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 06:12:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 06:12:51,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 06:12:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 06:12:51,388 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 06:12:55,038 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 06:12:55,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:12:55 BoogieIcfgContainer [2018-10-27 06:12:55,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 06:12:55,040 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 06:12:55,040 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 06:12:55,044 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 06:12:55,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 06:12:50" (1/3) ... [2018-10-27 06:12:55,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2406d21f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:12:55, skipping insertion in model container [2018-10-27 06:12:55,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:50" (2/3) ... [2018-10-27 06:12:55,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2406d21f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:12:55, skipping insertion in model container [2018-10-27 06:12:55,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:12:55" (3/3) ... [2018-10-27 06:12:55,048 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label26_true-unreach-call_false-termination.c [2018-10-27 06:12:55,058 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 06:12:55,066 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 06:12:55,084 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 06:12:55,123 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 06:12:55,123 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 06:12:55,123 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 06:12:55,123 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 06:12:55,124 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 06:12:55,124 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 06:12:55,124 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 06:12:55,124 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 06:12:55,152 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-10-27 06:12:55,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-27 06:12:55,169 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:12:55,170 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 06:12:55,173 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:12:55,179 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:55,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1783395935, now seen corresponding path program 1 times [2018-10-27 06:12:55,182 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:12:55,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:55,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:12:55,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:55,227 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:12:55,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:12:55,929 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 06:12:55,931 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 06:12:55,932 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 06:12:55,932 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:12:55,938 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 06:12:55,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 06:12:55,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 06:12:55,963 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-10-27 06:12:57,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:12:57,746 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-10-27 06:12:57,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 06:12:57,748 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 143 [2018-10-27 06:12:57,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:12:57,768 INFO L225 Difference]: With dead ends: 618 [2018-10-27 06:12:57,769 INFO L226 Difference]: Without dead ends: 379 [2018-10-27 06:12:57,776 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 06:12:57,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-10-27 06:12:57,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2018-10-27 06:12:57,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-10-27 06:12:57,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 621 transitions. [2018-10-27 06:12:57,860 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 621 transitions. Word has length 143 [2018-10-27 06:12:57,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:12:57,861 INFO L481 AbstractCegarLoop]: Abstraction has 379 states and 621 transitions. [2018-10-27 06:12:57,861 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 06:12:57,861 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 621 transitions. [2018-10-27 06:12:57,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-27 06:12:57,869 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:12:57,869 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 06:12:57,870 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:12:57,870 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:57,870 INFO L82 PathProgramCache]: Analyzing trace with hash 1923545450, now seen corresponding path program 1 times [2018-10-27 06:12:57,871 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:12:57,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:57,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:12:57,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:57,872 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:12:57,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:12:58,115 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 06:12:58,116 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 06:12:58,116 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 06:12:58,116 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:12:58,118 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 06:12:58,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 06:12:58,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 06:12:58,119 INFO L87 Difference]: Start difference. First operand 379 states and 621 transitions. Second operand 6 states. [2018-10-27 06:13:00,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:13:00,049 INFO L93 Difference]: Finished difference Result 1229 states and 2094 transitions. [2018-10-27 06:13:00,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-27 06:13:00,052 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 159 [2018-10-27 06:13:00,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:13:00,062 INFO L225 Difference]: With dead ends: 1229 [2018-10-27 06:13:00,062 INFO L226 Difference]: Without dead ends: 856 [2018-10-27 06:13:00,069 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 06:13:00,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2018-10-27 06:13:00,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 823. [2018-10-27 06:13:00,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 823 states. [2018-10-27 06:13:00,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1292 transitions. [2018-10-27 06:13:00,132 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1292 transitions. Word has length 159 [2018-10-27 06:13:00,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:13:00,132 INFO L481 AbstractCegarLoop]: Abstraction has 823 states and 1292 transitions. [2018-10-27 06:13:00,132 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 06:13:00,133 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1292 transitions. [2018-10-27 06:13:00,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-10-27 06:13:00,140 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:13:00,140 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 06:13:00,141 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:13:00,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:13:00,141 INFO L82 PathProgramCache]: Analyzing trace with hash 497696213, now seen corresponding path program 1 times [2018-10-27 06:13:00,142 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:13:00,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:00,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:13:00,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:00,143 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:13:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:13:00,424 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 06:13:00,529 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 06:13:00,530 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 06:13:00,530 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 06:13:00,530 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:13:00,531 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 06:13:00,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 06:13:00,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 06:13:00,532 INFO L87 Difference]: Start difference. First operand 823 states and 1292 transitions. Second operand 6 states. [2018-10-27 06:13:04,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:13:04,183 INFO L93 Difference]: Finished difference Result 2557 states and 4222 transitions. [2018-10-27 06:13:04,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 06:13:04,187 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 166 [2018-10-27 06:13:04,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:13:04,209 INFO L225 Difference]: With dead ends: 2557 [2018-10-27 06:13:04,209 INFO L226 Difference]: Without dead ends: 1740 [2018-10-27 06:13:04,217 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 06:13:04,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1740 states. [2018-10-27 06:13:04,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1740 to 1682. [2018-10-27 06:13:04,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1682 states. [2018-10-27 06:13:04,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1682 states and 2540 transitions. [2018-10-27 06:13:04,307 INFO L78 Accepts]: Start accepts. Automaton has 1682 states and 2540 transitions. Word has length 166 [2018-10-27 06:13:04,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:13:04,309 INFO L481 AbstractCegarLoop]: Abstraction has 1682 states and 2540 transitions. [2018-10-27 06:13:04,310 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 06:13:04,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 2540 transitions. [2018-10-27 06:13:04,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-27 06:13:04,322 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:13:04,322 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 06:13:04,323 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:13:04,324 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:13:04,324 INFO L82 PathProgramCache]: Analyzing trace with hash 698255549, now seen corresponding path program 1 times [2018-10-27 06:13:04,324 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:13:04,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:04,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:13:04,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:04,326 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:13:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:13:04,596 WARN L179 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 06:13:04,830 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 06:13:04,831 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:13:04,831 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:13:04,832 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 169 with the following transitions: [2018-10-27 06:13:04,834 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 06:13:04,883 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:13:04,883 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:13:05,498 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 06:13:05,502 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 06:13:05,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:13:05,514 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 06:13:05,892 INFO L227 lantSequenceWeakener]: Weakened 159 states. On average, predicates are now at 81.37% of their original sizes. [2018-10-27 06:13:05,892 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 06:13:06,142 INFO L415 sIntCurrentIteration]: We unified 167 AI predicates to 167 [2018-10-27 06:13:06,143 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 06:13:06,144 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 06:13:06,144 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-10-27 06:13:06,144 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:13:06,145 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 06:13:06,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 06:13:06,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 06:13:06,146 INFO L87 Difference]: Start difference. First operand 1682 states and 2540 transitions. Second operand 6 states. [2018-10-27 06:13:11,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:13:11,859 INFO L93 Difference]: Finished difference Result 3506 states and 5281 transitions. [2018-10-27 06:13:11,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 06:13:11,859 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 168 [2018-10-27 06:13:11,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:13:11,871 INFO L225 Difference]: With dead ends: 3506 [2018-10-27 06:13:11,871 INFO L226 Difference]: Without dead ends: 1830 [2018-10-27 06:13:11,878 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 168 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-27 06:13:11,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1830 states. [2018-10-27 06:13:11,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1830 to 1827. [2018-10-27 06:13:11,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1827 states. [2018-10-27 06:13:11,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1827 states and 2692 transitions. [2018-10-27 06:13:11,938 INFO L78 Accepts]: Start accepts. Automaton has 1827 states and 2692 transitions. Word has length 168 [2018-10-27 06:13:11,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:13:11,938 INFO L481 AbstractCegarLoop]: Abstraction has 1827 states and 2692 transitions. [2018-10-27 06:13:11,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 06:13:11,939 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2692 transitions. [2018-10-27 06:13:11,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-27 06:13:11,948 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:13:11,948 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 06:13:11,949 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:13:11,949 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:13:11,949 INFO L82 PathProgramCache]: Analyzing trace with hash -2055274082, now seen corresponding path program 1 times [2018-10-27 06:13:11,950 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:13:11,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:11,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:13:11,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:11,951 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:13:11,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:13:12,157 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 06:13:12,158 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:13:12,158 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:13:12,158 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 179 with the following transitions: [2018-10-27 06:13:12,159 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 06:13:12,165 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:13:12,166 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:13:12,699 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 06:13:12,700 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 06:13:12,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:13:12,740 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 06:13:13,019 INFO L227 lantSequenceWeakener]: Weakened 175 states. On average, predicates are now at 85.07% of their original sizes. [2018-10-27 06:13:13,019 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 06:13:13,302 INFO L415 sIntCurrentIteration]: We unified 177 AI predicates to 177 [2018-10-27 06:13:13,302 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 06:13:13,303 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 06:13:13,303 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-10-27 06:13:13,303 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:13:13,303 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 06:13:13,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 06:13:13,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-27 06:13:13,304 INFO L87 Difference]: Start difference. First operand 1827 states and 2692 transitions. Second operand 9 states. [2018-10-27 06:13:21,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:13:21,267 INFO L93 Difference]: Finished difference Result 4531 states and 6711 transitions. [2018-10-27 06:13:21,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-27 06:13:21,268 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 178 [2018-10-27 06:13:21,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:13:21,281 INFO L225 Difference]: With dead ends: 4531 [2018-10-27 06:13:21,282 INFO L226 Difference]: Without dead ends: 2710 [2018-10-27 06:13:21,289 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 185 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-10-27 06:13:21,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2710 states. [2018-10-27 06:13:21,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2710 to 2633. [2018-10-27 06:13:21,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2633 states. [2018-10-27 06:13:21,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2633 states to 2633 states and 3700 transitions. [2018-10-27 06:13:21,361 INFO L78 Accepts]: Start accepts. Automaton has 2633 states and 3700 transitions. Word has length 178 [2018-10-27 06:13:21,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:13:21,362 INFO L481 AbstractCegarLoop]: Abstraction has 2633 states and 3700 transitions. [2018-10-27 06:13:21,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 06:13:21,362 INFO L276 IsEmpty]: Start isEmpty. Operand 2633 states and 3700 transitions. [2018-10-27 06:13:21,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-27 06:13:21,372 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:13:21,372 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 06:13:21,372 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:13:21,372 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:13:21,373 INFO L82 PathProgramCache]: Analyzing trace with hash 372209646, now seen corresponding path program 1 times [2018-10-27 06:13:21,373 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:13:21,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:21,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:13:21,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:21,374 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:13:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:13:22,103 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 06:13:22,103 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:13:22,103 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:13:22,104 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 181 with the following transitions: [2018-10-27 06:13:22,104 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 06:13:22,112 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:13:22,113 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:13:22,410 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 06:13:22,411 INFO L272 AbstractInterpreter]: Visited 148 different actions 438 times. Merged at 7 different actions 18 times. Never widened. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-27 06:13:22,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:13:22,419 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 06:13:22,419 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:13:22,419 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 06:13:22,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:13:22,429 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 06:13:22,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:13:22,553 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:13:22,674 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 06:13:22,674 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 06:13:23,159 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 06:13:23,196 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-10-27 06:13:23,197 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 8 [2018-10-27 06:13:23,197 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:13:23,198 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 06:13:23,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 06:13:23,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-10-27 06:13:23,198 INFO L87 Difference]: Start difference. First operand 2633 states and 3700 transitions. Second operand 3 states. [2018-10-27 06:13:25,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:13:25,462 INFO L93 Difference]: Finished difference Result 6645 states and 9758 transitions. [2018-10-27 06:13:25,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 06:13:25,471 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 180 [2018-10-27 06:13:25,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:13:25,496 INFO L225 Difference]: With dead ends: 6645 [2018-10-27 06:13:25,497 INFO L226 Difference]: Without dead ends: 4018 [2018-10-27 06:13:25,511 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 362 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-10-27 06:13:25,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4018 states. [2018-10-27 06:13:25,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4018 to 4011. [2018-10-27 06:13:25,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4011 states. [2018-10-27 06:13:25,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4011 states to 4011 states and 5526 transitions. [2018-10-27 06:13:25,726 INFO L78 Accepts]: Start accepts. Automaton has 4011 states and 5526 transitions. Word has length 180 [2018-10-27 06:13:25,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:13:25,727 INFO L481 AbstractCegarLoop]: Abstraction has 4011 states and 5526 transitions. [2018-10-27 06:13:25,727 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 06:13:25,727 INFO L276 IsEmpty]: Start isEmpty. Operand 4011 states and 5526 transitions. [2018-10-27 06:13:25,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-10-27 06:13:25,742 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:13:25,743 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:13:25,743 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:13:25,743 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:13:25,744 INFO L82 PathProgramCache]: Analyzing trace with hash 376466040, now seen corresponding path program 1 times [2018-10-27 06:13:25,744 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:13:25,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:25,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:13:25,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:25,745 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:13:25,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:13:25,991 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 06:13:26,105 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:13:26,105 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:13:26,106 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:13:26,106 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 190 with the following transitions: [2018-10-27 06:13:26,106 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [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], [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 06:13:26,112 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:13:26,112 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:13:26,639 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 06:13:26,639 INFO L272 AbstractInterpreter]: Visited 148 different actions 438 times. Merged at 7 different actions 18 times. Never widened. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-27 06:13:26,674 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:13:26,675 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 06:13:26,675 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:13:26,675 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 06:13:26,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:13:26,691 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 06:13:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:13:26,774 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:13:27,215 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:13:27,216 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 06:13:28,118 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:13:28,159 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 06:13:28,160 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-10-27 06:13:28,160 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 06:13:28,161 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 06:13:28,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 06:13:28,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-10-27 06:13:28,162 INFO L87 Difference]: Start difference. First operand 4011 states and 5526 transitions. Second operand 9 states. [2018-10-27 06:13:30,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:13:30,539 INFO L93 Difference]: Finished difference Result 9774 states and 13882 transitions. [2018-10-27 06:13:30,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 06:13:30,539 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 189 [2018-10-27 06:13:30,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:13:30,569 INFO L225 Difference]: With dead ends: 9774 [2018-10-27 06:13:30,569 INFO L226 Difference]: Without dead ends: 5769 [2018-10-27 06:13:30,584 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 374 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-10-27 06:13:30,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5769 states. [2018-10-27 06:13:30,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5769 to 5675. [2018-10-27 06:13:30,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5675 states. [2018-10-27 06:13:30,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5675 states to 5675 states and 7781 transitions. [2018-10-27 06:13:30,740 INFO L78 Accepts]: Start accepts. Automaton has 5675 states and 7781 transitions. Word has length 189 [2018-10-27 06:13:30,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:13:30,740 INFO L481 AbstractCegarLoop]: Abstraction has 5675 states and 7781 transitions. [2018-10-27 06:13:30,740 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 06:13:30,740 INFO L276 IsEmpty]: Start isEmpty. Operand 5675 states and 7781 transitions. [2018-10-27 06:13:30,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-27 06:13:30,756 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:13:30,756 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, 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] [2018-10-27 06:13:30,757 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:13:30,757 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:13:30,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1415888768, now seen corresponding path program 1 times [2018-10-27 06:13:30,757 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:13:30,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:30,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:13:30,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:30,758 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:13:30,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:13:31,204 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:13:31,204 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:13:31,204 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:13:31,204 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 194 with the following transitions: [2018-10-27 06:13:31,205 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], [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 06:13:31,208 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:13:31,208 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:13:31,648 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 06:13:31,648 INFO L272 AbstractInterpreter]: Visited 148 different actions 438 times. Merged at 7 different actions 18 times. Never widened. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-27 06:13:31,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:13:31,689 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 06:13:31,689 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:13:31,690 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 06:13:31,708 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:13:31,708 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 06:13:31,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:13:31,790 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:13:31,925 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 06:13:31,926 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 06:13:32,026 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 06:13:32,051 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-10-27 06:13:32,051 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 8 [2018-10-27 06:13:32,052 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:13:32,052 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 06:13:32,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 06:13:32,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-10-27 06:13:32,053 INFO L87 Difference]: Start difference. First operand 5675 states and 7781 transitions. Second operand 3 states. [2018-10-27 06:13:32,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:13:32,942 INFO L93 Difference]: Finished difference Result 14095 states and 19668 transitions. [2018-10-27 06:13:32,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 06:13:32,943 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2018-10-27 06:13:32,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:13:32,989 INFO L225 Difference]: With dead ends: 14095 [2018-10-27 06:13:32,989 INFO L226 Difference]: Without dead ends: 8426 [2018-10-27 06:13:33,015 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-10-27 06:13:33,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8426 states. [2018-10-27 06:13:33,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8426 to 8393. [2018-10-27 06:13:33,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8393 states. [2018-10-27 06:13:33,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8393 states to 8393 states and 10773 transitions. [2018-10-27 06:13:33,323 INFO L78 Accepts]: Start accepts. Automaton has 8393 states and 10773 transitions. Word has length 193 [2018-10-27 06:13:33,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:13:33,323 INFO L481 AbstractCegarLoop]: Abstraction has 8393 states and 10773 transitions. [2018-10-27 06:13:33,323 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 06:13:33,324 INFO L276 IsEmpty]: Start isEmpty. Operand 8393 states and 10773 transitions. [2018-10-27 06:13:33,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-27 06:13:33,348 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:13:33,349 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:13:33,349 INFO L424 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:13:33,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:13:33,350 INFO L82 PathProgramCache]: Analyzing trace with hash -955817589, now seen corresponding path program 1 times [2018-10-27 06:13:33,350 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:13:33,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:33,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:13:33,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:33,351 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:13:33,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:13:33,823 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 74 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-27 06:13:33,824 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:13:33,824 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:13:33,824 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 210 with the following transitions: [2018-10-27 06:13:33,825 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [33], [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 06:13:33,828 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:13:33,828 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:13:34,221 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 06:13:34,221 INFO L272 AbstractInterpreter]: Visited 149 different actions 443 times. Merged at 8 different actions 20 times. Never widened. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-27 06:13:34,255 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:13:34,256 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 06:13:34,256 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:13:34,256 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 06:13:34,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:13:34,273 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 06:13:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:13:34,358 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:13:34,773 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 06:13:34,774 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 06:13:34,976 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 06:13:34,998 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 06:13:34,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-10-27 06:13:34,998 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 06:13:34,999 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 06:13:34,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 06:13:34,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-10-27 06:13:35,000 INFO L87 Difference]: Start difference. First operand 8393 states and 10773 transitions. Second operand 9 states. [2018-10-27 06:13:40,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:13:40,098 INFO L93 Difference]: Finished difference Result 17367 states and 22667 transitions. [2018-10-27 06:13:40,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-10-27 06:13:40,099 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 209 [2018-10-27 06:13:40,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:13:40,119 INFO L225 Difference]: With dead ends: 17367 [2018-10-27 06:13:40,119 INFO L226 Difference]: Without dead ends: 5739 [2018-10-27 06:13:40,152 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 470 GetRequests, 433 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=343, Invalid=1063, Unknown=0, NotChecked=0, Total=1406 [2018-10-27 06:13:40,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5739 states. [2018-10-27 06:13:40,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5739 to 5486. [2018-10-27 06:13:40,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5486 states. [2018-10-27 06:13:40,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5486 states to 5486 states and 6227 transitions. [2018-10-27 06:13:40,276 INFO L78 Accepts]: Start accepts. Automaton has 5486 states and 6227 transitions. Word has length 209 [2018-10-27 06:13:40,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:13:40,276 INFO L481 AbstractCegarLoop]: Abstraction has 5486 states and 6227 transitions. [2018-10-27 06:13:40,276 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 06:13:40,276 INFO L276 IsEmpty]: Start isEmpty. Operand 5486 states and 6227 transitions. [2018-10-27 06:13:40,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-10-27 06:13:40,292 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:13:40,293 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:13:40,293 INFO L424 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:13:40,293 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:13:40,294 INFO L82 PathProgramCache]: Analyzing trace with hash -2032766019, now seen corresponding path program 1 times [2018-10-27 06:13:40,294 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:13:40,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:40,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:13:40,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:40,295 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:13:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:13:40,710 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 117 proven. 54 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 06:13:40,711 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:13:40,711 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:13:40,711 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 266 with the following transitions: [2018-10-27 06:13:40,711 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], [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], [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 06:13:40,714 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:13:40,718 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:13:41,140 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 06:13:41,141 INFO L272 AbstractInterpreter]: Visited 151 different actions 593 times. Merged at 8 different actions 29 times. Never widened. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-27 06:13:41,177 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:13:41,177 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 06:13:41,177 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:13:41,178 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 06:13:41,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:13:41,189 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 06:13:41,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:13:41,293 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:13:41,589 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-27 06:13:41,589 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 06:13:41,976 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 128 proven. 36 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-27 06:13:41,997 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 06:13:41,997 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 15 [2018-10-27 06:13:41,998 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 06:13:41,998 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-27 06:13:41,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-27 06:13:41,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-10-27 06:13:41,999 INFO L87 Difference]: Start difference. First operand 5486 states and 6227 transitions. Second operand 13 states. [2018-10-27 06:13:45,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:13:45,418 INFO L93 Difference]: Finished difference Result 11659 states and 13787 transitions. [2018-10-27 06:13:45,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-10-27 06:13:45,418 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 265 [2018-10-27 06:13:45,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:13:45,441 INFO L225 Difference]: With dead ends: 11659 [2018-10-27 06:13:45,441 INFO L226 Difference]: Without dead ends: 6573 [2018-10-27 06:13:45,451 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 578 GetRequests, 543 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=357, Invalid=903, Unknown=0, NotChecked=0, Total=1260 [2018-10-27 06:13:45,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6573 states. [2018-10-27 06:13:45,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6573 to 5374. [2018-10-27 06:13:45,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5374 states. [2018-10-27 06:13:45,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5374 states to 5374 states and 6163 transitions. [2018-10-27 06:13:45,578 INFO L78 Accepts]: Start accepts. Automaton has 5374 states and 6163 transitions. Word has length 265 [2018-10-27 06:13:45,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:13:45,579 INFO L481 AbstractCegarLoop]: Abstraction has 5374 states and 6163 transitions. [2018-10-27 06:13:45,579 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-27 06:13:45,579 INFO L276 IsEmpty]: Start isEmpty. Operand 5374 states and 6163 transitions. [2018-10-27 06:13:45,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-10-27 06:13:45,592 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:13:45,592 INFO L375 BasicCegarLoop]: trace histogram [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, 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] [2018-10-27 06:13:45,593 INFO L424 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:13:45,593 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:13:45,593 INFO L82 PathProgramCache]: Analyzing trace with hash -1609183519, now seen corresponding path program 1 times [2018-10-27 06:13:45,593 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:13:45,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:45,594 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:13:45,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:45,594 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:13:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:13:46,020 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 128 proven. 44 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-27 06:13:46,020 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:13:46,021 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:13:46,021 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 272 with the following transitions: [2018-10-27 06:13:46,021 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [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], [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 06:13:46,024 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:13:46,024 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:13:46,196 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 06:13:46,196 INFO L272 AbstractInterpreter]: Visited 149 different actions 291 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-10-27 06:13:46,201 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:13:46,201 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 06:13:46,534 INFO L227 lantSequenceWeakener]: Weakened 265 states. On average, predicates are now at 81.14% of their original sizes. [2018-10-27 06:13:46,535 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 06:13:46,781 INFO L415 sIntCurrentIteration]: We unified 270 AI predicates to 270 [2018-10-27 06:13:46,781 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 06:13:46,782 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 06:13:46,782 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-10-27 06:13:46,782 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:13:46,782 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-27 06:13:46,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-27 06:13:46,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2018-10-27 06:13:46,783 INFO L87 Difference]: Start difference. First operand 5374 states and 6163 transitions. Second operand 11 states. [2018-10-27 06:13:52,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:13:52,180 INFO L93 Difference]: Finished difference Result 13187 states and 15255 transitions. [2018-10-27 06:13:52,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-27 06:13:52,180 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 271 [2018-10-27 06:13:52,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:13:52,201 INFO L225 Difference]: With dead ends: 13187 [2018-10-27 06:13:52,201 INFO L226 Difference]: Without dead ends: 7964 [2018-10-27 06:13:52,210 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 281 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2018-10-27 06:13:52,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7964 states. [2018-10-27 06:13:52,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7964 to 7932. [2018-10-27 06:13:52,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7932 states. [2018-10-27 06:13:52,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7932 states to 7932 states and 9097 transitions. [2018-10-27 06:13:52,366 INFO L78 Accepts]: Start accepts. Automaton has 7932 states and 9097 transitions. Word has length 271 [2018-10-27 06:13:52,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:13:52,366 INFO L481 AbstractCegarLoop]: Abstraction has 7932 states and 9097 transitions. [2018-10-27 06:13:52,366 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-27 06:13:52,367 INFO L276 IsEmpty]: Start isEmpty. Operand 7932 states and 9097 transitions. [2018-10-27 06:13:52,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-10-27 06:13:52,388 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:13:52,388 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 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, 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] [2018-10-27 06:13:52,388 INFO L424 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:13:52,389 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:13:52,389 INFO L82 PathProgramCache]: Analyzing trace with hash 581149415, now seen corresponding path program 1 times [2018-10-27 06:13:52,389 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:13:52,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:52,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:13:52,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:52,390 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:13:52,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:13:52,720 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 201 proven. 44 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-10-27 06:13:52,721 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:13:52,721 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:13:52,721 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 306 with the following transitions: [2018-10-27 06:13:52,722 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [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], [123], [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 06:13:52,725 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:13:52,725 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:13:53,195 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 06:13:53,195 INFO L272 AbstractInterpreter]: Visited 154 different actions 758 times. Merged at 9 different actions 45 times. Widened at 1 different actions 2 times. Found 10 fixpoints after 2 different actions. Largest state had 38 variables. [2018-10-27 06:13:53,203 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:13:53,203 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 06:13:53,203 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:13:53,203 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 06:13:53,212 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:13:53,212 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 06:13:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:13:53,326 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:13:53,572 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-10-27 06:13:53,572 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 06:13:53,658 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 162 proven. 2 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2018-10-27 06:13:53,681 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-10-27 06:13:53,682 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2018-10-27 06:13:53,682 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:13:53,683 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 06:13:53,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 06:13:53,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-27 06:13:53,684 INFO L87 Difference]: Start difference. First operand 7932 states and 9097 transitions. Second operand 3 states. [2018-10-27 06:13:54,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:13:54,400 INFO L93 Difference]: Finished difference Result 12499 states and 14313 transitions. [2018-10-27 06:13:54,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 06:13:54,402 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 305 [2018-10-27 06:13:54,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:13:54,421 INFO L225 Difference]: With dead ends: 12499 [2018-10-27 06:13:54,422 INFO L226 Difference]: Without dead ends: 7583 [2018-10-27 06:13:54,430 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 616 GetRequests, 610 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-27 06:13:54,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7583 states. [2018-10-27 06:13:54,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7583 to 7455. [2018-10-27 06:13:54,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7455 states. [2018-10-27 06:13:54,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7455 states to 7455 states and 8411 transitions. [2018-10-27 06:13:54,574 INFO L78 Accepts]: Start accepts. Automaton has 7455 states and 8411 transitions. Word has length 305 [2018-10-27 06:13:54,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:13:54,575 INFO L481 AbstractCegarLoop]: Abstraction has 7455 states and 8411 transitions. [2018-10-27 06:13:54,575 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 06:13:54,575 INFO L276 IsEmpty]: Start isEmpty. Operand 7455 states and 8411 transitions. [2018-10-27 06:13:54,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-10-27 06:13:54,597 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:13:54,598 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 06:13:54,598 INFO L424 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:13:54,598 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:13:54,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1360438372, now seen corresponding path program 1 times [2018-10-27 06:13:54,598 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:13:54,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:54,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:13:54,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:54,600 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:13:54,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:13:55,128 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 06:13:55,129 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:13:55,129 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:13:55,129 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 310 with the following transitions: [2018-10-27 06:13:55,130 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 06:13:55,133 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:13:55,133 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:13:55,668 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 06:13:55,669 INFO L272 AbstractInterpreter]: Visited 151 different actions 596 times. Merged at 8 different actions 32 times. Widened at 1 different actions 1 times. Found 6 fixpoints after 2 different actions. Largest state had 38 variables. [2018-10-27 06:13:55,711 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:13:55,711 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 06:13:55,711 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:13:55,711 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 06:13:55,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:13:55,728 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 06:13:55,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:13:55,838 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:13:55,915 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 06:13:55,915 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 06:13:56,030 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 06:13:56,051 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-10-27 06:13:56,051 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [10] total 11 [2018-10-27 06:13:56,051 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:13:56,052 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 06:13:56,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 06:13:56,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-10-27 06:13:56,053 INFO L87 Difference]: Start difference. First operand 7455 states and 8411 transitions. Second operand 3 states. [2018-10-27 06:13:56,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:13:56,603 INFO L93 Difference]: Finished difference Result 8973 states and 10029 transitions. [2018-10-27 06:13:56,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 06:13:56,603 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 309 [2018-10-27 06:13:56,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:13:56,604 INFO L225 Difference]: With dead ends: 8973 [2018-10-27 06:13:56,604 INFO L226 Difference]: Without dead ends: 0 [2018-10-27 06:13:56,614 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 06:13:56,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-27 06:13:56,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-27 06:13:56,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-27 06:13:56,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 06:13:56,616 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 309 [2018-10-27 06:13:56,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:13:56,616 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:13:56,616 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 06:13:56,616 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-27 06:13:56,616 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 06:13:56,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-27 06:13:56,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:56,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:56,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:56,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:56,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:56,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:56,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:56,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:56,915 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:56,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:56,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:56,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:56,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:56,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:56,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:56,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:56,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:56,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:56,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:56,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:56,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:56,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:56,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:56,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:56,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:56,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,062 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,093 WARN L179 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 111 [2018-10-27 06:13:57,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:13:57,360 WARN L179 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 126 [2018-10-27 06:13:57,859 WARN L179 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 17 [2018-10-27 06:13:58,147 WARN L179 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 34 [2018-10-27 06:14:01,675 WARN L179 SmtUtils]: Spent 3.52 s on a formula simplification. DAG size of input: 202 DAG size of output: 72 [2018-10-27 06:14:02,222 WARN L179 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 60 [2018-10-27 06:14:02,971 WARN L179 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 57 [2018-10-27 06:14:02,974 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-27 06:14:02,975 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= |old(~a17~0)| ~a17~0) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-10-27 06:14:02,975 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-27 06:14:02,975 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,975 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,975 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,975 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,975 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,975 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-10-27 06:14:02,975 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-10-27 06:14:02,976 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-10-27 06:14:02,976 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-10-27 06:14:02,976 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-10-27 06:14:02,976 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-10-27 06:14:02,976 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-10-27 06:14:02,976 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-10-27 06:14:02,976 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-10-27 06:14:02,976 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-10-27 06:14:02,976 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-10-27 06:14:02,976 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-10-27 06:14:02,977 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-10-27 06:14:02,977 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,977 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,977 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,977 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,977 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-10-27 06:14:02,977 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,977 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-10-27 06:14:02,977 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-10-27 06:14:02,977 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-10-27 06:14:02,977 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-10-27 06:14:02,977 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-10-27 06:14:02,977 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-10-27 06:14:02,977 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-10-27 06:14:02,978 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-10-27 06:14:02,978 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-10-27 06:14:02,978 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-10-27 06:14:02,978 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-10-27 06:14:02,978 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-10-27 06:14:02,978 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-10-27 06:14:02,978 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-10-27 06:14:02,978 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-10-27 06:14:02,978 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,978 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,978 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,979 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,979 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,979 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-10-27 06:14:02,979 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-10-27 06:14:02,979 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-10-27 06:14:02,979 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-10-27 06:14:02,979 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-10-27 06:14:02,979 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-10-27 06:14:02,979 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-10-27 06:14:02,980 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-10-27 06:14:02,980 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-10-27 06:14:02,980 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-10-27 06:14:02,980 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-10-27 06:14:02,980 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,980 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,980 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,980 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,980 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,980 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-10-27 06:14:02,981 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-10-27 06:14:02,981 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-10-27 06:14:02,981 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-10-27 06:14:02,981 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-10-27 06:14:02,981 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-10-27 06:14:02,981 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-10-27 06:14:02,981 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-10-27 06:14:02,981 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-10-27 06:14:02,981 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2018-10-27 06:14:02,982 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-10-27 06:14:02,982 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-10-27 06:14:02,982 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-10-27 06:14:02,982 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-10-27 06:14:02,982 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,982 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,982 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,982 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,982 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,983 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-10-27 06:14:02,983 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-10-27 06:14:02,983 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-10-27 06:14:02,983 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-10-27 06:14:02,983 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-10-27 06:14:02,983 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-10-27 06:14:02,983 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-10-27 06:14:02,983 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-10-27 06:14:02,983 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-10-27 06:14:02,984 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-10-27 06:14:02,984 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-10-27 06:14:02,984 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-10-27 06:14:02,984 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-10-27 06:14:02,984 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-10-27 06:14:02,984 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-10-27 06:14:02,984 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-10-27 06:14:02,984 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,984 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,985 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,985 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,985 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-10-27 06:14:02,985 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,985 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-10-27 06:14:02,985 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,985 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-10-27 06:14:02,985 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-10-27 06:14:02,985 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-10-27 06:14:02,986 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,986 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,986 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-10-27 06:14:02,986 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-10-27 06:14:02,986 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-10-27 06:14:02,986 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-10-27 06:14:02,986 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-10-27 06:14:02,986 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-10-27 06:14:02,986 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-10-27 06:14:02,987 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-10-27 06:14:02,987 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-10-27 06:14:02,987 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-10-27 06:14:02,987 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-10-27 06:14:02,987 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,987 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,987 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,987 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,987 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,988 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,988 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-10-27 06:14:02,988 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-10-27 06:14:02,988 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-10-27 06:14:02,988 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-10-27 06:14:02,988 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-10-27 06:14:02,988 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-10-27 06:14:02,988 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-10-27 06:14:02,988 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-10-27 06:14:02,988 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-10-27 06:14:02,989 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-10-27 06:14:02,989 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-10-27 06:14:02,989 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,989 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,989 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,989 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,989 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,989 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,989 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-10-27 06:14:02,989 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-10-27 06:14:02,990 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-10-27 06:14:02,990 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-10-27 06:14:02,990 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-10-27 06:14:02,990 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-10-27 06:14:02,990 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-10-27 06:14:02,990 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-10-27 06:14:02,990 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-10-27 06:14:02,990 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-10-27 06:14:02,990 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-10-27 06:14:02,990 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-10-27 06:14:02,991 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-10-27 06:14:02,991 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-10-27 06:14:02,991 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,991 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,991 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,991 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse6 (= ~a28~0 |old(~a28~0)|)) (.cse17 (= ~a11~0 1)) (.cse25 (= 1 |old(~a25~0)|)) (.cse24 (= |old(~a28~0)| ~a28~0)) (.cse3 (= |old(~a19~0)| ~a19~0)) (.cse23 (= ~a11~0 |old(~a11~0)|)) (.cse7 (= ~a25~0 |old(~a25~0)|))) (let ((.cse2 (not (= 0 |old(~a11~0)|))) (.cse4 (= ~a11~0 0)) (.cse20 (and (<= ~a17~0 |old(~a17~0)|) .cse24 .cse3 .cse23 .cse7)) (.cse1 (not (= 1 ~a21~0))) (.cse10 (not .cse25)) (.cse14 (not (= 1 |old(~a19~0)|))) (.cse15 (= 0 |old(~a28~0)|)) (.cse8 (not (= 8 |old(~a17~0)|))) (.cse19 (= |calculate_output_#in~input| 0)) (.cse5 (= ~a17~0 8)) (.cse16 (= ~a19~0 1)) (.cse0 (< 10 |old(~a28~0)|)) (.cse18 (= 8 |old(~a28~0)|)) (.cse21 (< 7 |old(~a17~0)|)) (.cse11 (and (= |old(~a17~0)| ~a17~0) .cse3 .cse6 .cse17 .cse7)) (.cse9 (< 7 |old(~a28~0)|)) (.cse22 (= |old(~a11~0)| |old(~a19~0)|)) (.cse12 (< 8 |old(~a17~0)|)) (.cse13 (not (= 1 |old(~a11~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6 .cse7) .cse8) (or .cse9 .cse10 .cse11 (= 7 |old(~a17~0)|) .cse12 .cse13) (or .cse0 .cse1 .cse14 .cse15 (and .cse5 .cse16 .cse6 .cse17 .cse7) .cse18 .cse8 .cse19 .cse13) (or .cse9 .cse20 .cse21) (or .cse1 .cse10 .cse2 .cse19 (and .cse4 .cse5 .cse16 .cse6 .cse7) .cse14 .cse8) (or .cse20 .cse10 .cse22 .cse21) (or .cse20 .cse0 (< 0 |old(~a19~0)|) .cse21) (or .cse1 .cse9 .cse10 .cse14 .cse15 .cse8 .cse19 (and .cse23 .cse24 .cse5 .cse16 .cse7)) (or .cse0 .cse11 .cse18 .cse13 .cse25 .cse21) (or .cse11 .cse9 .cse22 .cse12 .cse13 .cse25)))) [2018-10-27 06:14:02,992 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,992 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,992 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,992 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-10-27 06:14:02,992 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-10-27 06:14:02,992 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-10-27 06:14:02,992 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-10-27 06:14:02,992 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-10-27 06:14:02,992 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-10-27 06:14:02,992 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-10-27 06:14:02,993 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-10-27 06:14:02,993 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-10-27 06:14:02,993 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-10-27 06:14:02,993 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-10-27 06:14:02,993 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-10-27 06:14:02,993 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-10-27 06:14:02,993 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,993 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,993 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,993 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,994 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,994 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,994 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-10-27 06:14:02,994 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-10-27 06:14:02,994 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-10-27 06:14:02,994 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-10-27 06:14:02,994 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-10-27 06:14:02,994 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-10-27 06:14:02,994 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-10-27 06:14:02,995 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-10-27 06:14:02,995 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-10-27 06:14:02,995 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-10-27 06:14:02,995 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-10-27 06:14:02,995 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-10-27 06:14:02,995 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-10-27 06:14:02,995 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-10-27 06:14:02,995 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-10-27 06:14:02,995 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-10-27 06:14:02,995 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,996 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,996 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,996 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,996 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:02,996 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-10-27 06:14:02,996 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-10-27 06:14:02,996 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-10-27 06:14:02,996 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-10-27 06:14:02,996 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-10-27 06:14:02,996 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-10-27 06:14:02,997 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-10-27 06:14:02,997 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-10-27 06:14:02,997 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-10-27 06:14:02,997 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-10-27 06:14:02,997 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-10-27 06:14:02,997 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-10-27 06:14:02,997 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-10-27 06:14:02,997 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-10-27 06:14:02,997 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-10-27 06:14:02,997 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-10-27 06:14:02,997 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-10-27 06:14:02,998 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-10-27 06:14:02,998 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-10-27 06:14:02,998 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-27 06:14:02,998 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-10-27 06:14:02,998 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-27 06:14:02,998 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-27 06:14:02,998 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and (= ~a11~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-10-27 06:14:02,999 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-10-27 06:14:02,999 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse5 (not (= ~a28~0 8))) (.cse6 (not (= ~a28~0 0))) (.cse1 (<= ~a28~0 7)) (.cse10 (<= ~a17~0 8)) (.cse8 (= ~a11~0 1)) (.cse2 (= ~a11~0 0)) (.cse4 (= ~a17~0 8)) (.cse7 (= ~a19~0 1)) (.cse0 (<= ~a17~0 7)) (.cse9 (= 1 ~a25~0)) (.cse3 (<= ~a28~0 10)) (.cse11 (not (= ~a19~0 ~a11~0)))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse1) (not (= 0 |old(~a11~0)|)) (and .cse2 .cse3 .cse4) (and .cse3 .cse5 .cse6 .cse4 .cse7 .cse8) (and .cse1 .cse9 .cse10 .cse8) (and .cse0 (<= ~a19~0 0) .cse3 .cse11) (and .cse0 (not (= ~a25~0 1)) .cse5 .cse3 .cse8) (not (= 0 |old(~a25~0)|)) (and .cse1 .cse6 .cse9 .cse4 .cse7) (not (= 1 |old(~a19~0)|)) (and .cse1 .cse11 .cse10 .cse8) (not (= 8 |old(~a17~0)|)) (and .cse9 .cse2 .cse4 .cse7) (and .cse0 .cse9 .cse3 .cse11))) [2018-10-27 06:14:02,999 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-10-27 06:14:02,999 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-10-27 06:14:02,999 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (not (= main_~input~0 0))) (.cse3 (not (= ~a28~0 0))) (.cse5 (= ~a19~0 1)) (.cse8 (= ~a11~0 0)) (.cse4 (= ~a17~0 8)) (.cse1 (not (= ~a28~0 8))) (.cse10 (<= ~a28~0 7)) (.cse11 (<= ~a17~0 8)) (.cse6 (= ~a11~0 1)) (.cse9 (<= ~a17~0 7)) (.cse7 (= 1 ~a25~0)) (.cse2 (<= ~a28~0 10)) (.cse12 (not (= ~a19~0 ~a11~0)))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse8 .cse4 .cse5) (and .cse9 .cse10) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse10 .cse3 .cse7 .cse4 .cse5) (and .cse8 .cse2 .cse4) (and .cse10 .cse7 .cse11 .cse6) (and .cse9 (<= ~a19~0 0) .cse2 .cse12) (and .cse9 (not (= ~a25~0 1)) .cse1 .cse2 .cse6) (not (= 0 |old(~a25~0)|)) (not (= 1 |old(~a19~0)|)) (and .cse10 .cse12 .cse11 .cse6) (not (= 8 |old(~a17~0)|)) (and .cse9 .cse7 .cse2 .cse12))) [2018-10-27 06:14:02,999 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-10-27 06:14:03,000 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-10-27 06:14:03,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 06:14:03 BoogieIcfgContainer [2018-10-27 06:14:03,014 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 06:14:03,015 INFO L168 Benchmark]: Toolchain (without parser) took 72786.01 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.7 GB). Free memory was 1.4 GB in the beginning and 2.9 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-10-27 06:14:03,016 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 06:14:03,016 INFO L168 Benchmark]: CACSL2BoogieTranslator took 732.29 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: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. [2018-10-27 06:14:03,017 INFO L168 Benchmark]: Boogie Procedure Inliner took 229.70 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 702.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -781.1 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. [2018-10-27 06:14:03,018 INFO L168 Benchmark]: Boogie Preprocessor took 115.04 ms. Allocated memory is still 2.2 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 06:14:03,018 INFO L168 Benchmark]: RCFGBuilder took 3730.14 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 105.3 MB). Peak memory consumption was 105.3 MB. Max. memory is 7.1 GB. [2018-10-27 06:14:03,019 INFO L168 Benchmark]: TraceAbstraction took 67973.54 ms. Allocated memory was 2.2 GB in the beginning and 3.2 GB in the end (delta: 982.0 MB). Free memory was 2.0 GB in the beginning and 2.9 GB in the end (delta: -835.6 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-10-27 06:14:03,024 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 732.29 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: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 229.70 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 702.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -781.1 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.04 ms. Allocated memory is still 2.2 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3730.14 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 105.3 MB). Peak memory consumption was 105.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 67973.54 ms. Allocated memory was 2.2 GB in the beginning and 3.2 GB in the end (delta: 982.0 MB). Free memory was 2.0 GB in the beginning and 2.9 GB in the end (delta: -835.6 MB). Peak memory consumption was 1.5 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: ((((((((((((((!(1 == a21) || !(7 == \old(a28))) || (a17 <= 7 && a28 <= 7)) || !(0 == \old(a11))) || ((a11 == 0 && a28 <= 10) && a17 == 8)) || (((((a28 <= 10 && !(a28 == 8)) && !(a28 == 0)) && a17 == 8) && a19 == 1) && a11 == 1)) || (((a28 <= 7 && 1 == a25) && a17 <= 8) && a11 == 1)) || (((a17 <= 7 && a19 <= 0) && a28 <= 10) && !(a19 == a11))) || ((((a17 <= 7 && !(a25 == 1)) && !(a28 == 8)) && a28 <= 10) && a11 == 1)) || !(0 == \old(a25))) || ((((a28 <= 7 && !(a28 == 0)) && 1 == a25) && a17 == 8) && a19 == 1)) || !(1 == \old(a19))) || (((a28 <= 7 && !(a19 == a11)) && a17 <= 8) && a11 == 1)) || !(8 == \old(a17))) || (((1 == a25 && a11 == 0) && a17 == 8) && a19 == 1)) || (((a17 <= 7 && 1 == a25) && a28 <= 10) && !(a19 == a11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 67.8s OverallTime, 13 OverallIterations, 5 TraceHistogramMax, 42.2s AutomataDifference, 0.0s DeadEndRemovalTime, 6.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2150 SDtfs, 9389 SDslu, 2171 SDs, 0 SdLazy, 13137 SolverSat, 2552 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.0s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 4100 GetRequests, 3925 SyntacticMatches, 11 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 742 ImplicationChecksByTransitivity, 7.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8393occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.7s AbstIntTime, 10 AbstIntIterations, 3 AbstIntStrong, 0.997334249561707 AbsIntWeakeningRatio, 0.19218241042345277 AbsIntAvgWeakeningVarsNumRemoved, 26.832247557003257 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 1917 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 311 PreInvPairs, 423 NumberOfFragments, 772 HoareAnnotationTreeSize, 311 FomulaSimplifications, 20761 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6137 FormulaSimplificationTreeSizeReductionInter, 5.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 8.6s InterpolantComputationTime, 4385 NumberOfCodeBlocks, 4385 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 6008 ConstructedInterpolants, 0 QuantifiedInterpolants, 2882289 SizeOfPredicates, 5 NumberOfNonLiveVariables, 3658 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 27 InterpolantComputations, 10 PerfectInterpolantSequences, 3029/3310 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...