java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-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/Problem01_label08_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 07:04:07,240 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 07:04:07,244 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 07:04:07,259 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 07:04:07,260 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 07:04:07,261 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 07:04:07,262 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 07:04:07,264 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 07:04:07,265 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 07:04:07,266 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 07:04:07,267 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 07:04:07,267 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 07:04:07,268 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 07:04:07,269 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 07:04:07,270 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 07:04:07,271 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 07:04:07,273 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 07:04:07,280 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 07:04:07,282 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 07:04:07,287 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 07:04:07,288 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 07:04:07,294 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 07:04:07,299 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 07:04:07,300 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 07:04:07,300 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 07:04:07,301 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 07:04:07,304 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 07:04:07,305 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 07:04:07,306 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 07:04:07,309 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 07:04:07,309 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 07:04:07,310 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 07:04:07,310 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 07:04:07,310 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 07:04:07,311 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 07:04:07,313 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 07:04:07,314 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-11-07 07:04:07,338 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 07:04:07,338 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 07:04:07,339 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 07:04:07,339 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 07:04:07,340 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 07:04:07,341 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 07:04:07,341 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-07 07:04:07,341 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 07:04:07,341 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 07:04:07,342 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 07:04:07,342 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 07:04:07,342 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 07:04:07,342 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 07:04:07,342 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 07:04:07,343 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 07:04:07,343 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 07:04:07,344 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 07:04:07,344 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 07:04:07,344 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 07:04:07,344 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 07:04:07,344 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 07:04:07,345 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 07:04:07,346 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 07:04:07,346 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 07:04:07,346 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 07:04:07,347 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 07:04:07,347 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 07:04:07,347 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 07:04:07,347 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 07:04:07,347 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 07:04:07,348 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 07:04:07,348 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 07:04:07,348 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 07:04:07,348 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 07:04:07,348 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 07:04:07,349 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 07:04:07,414 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 07:04:07,432 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 07:04:07,436 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 07:04:07,438 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 07:04:07,438 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 07:04:07,439 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c [2018-11-07 07:04:07,505 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04f860676/da82686563604123bcc189aee7f6ebee/FLAG9bdb19c43 [2018-11-07 07:04:08,045 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 07:04:08,046 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c [2018-11-07 07:04:08,058 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04f860676/da82686563604123bcc189aee7f6ebee/FLAG9bdb19c43 [2018-11-07 07:04:08,073 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04f860676/da82686563604123bcc189aee7f6ebee [2018-11-07 07:04:08,083 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 07:04:08,085 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 07:04:08,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 07:04:08,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 07:04:08,090 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 07:04:08,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:04:08" (1/1) ... [2018-11-07 07:04:08,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17e1dcae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:04:08, skipping insertion in model container [2018-11-07 07:04:08,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:04:08" (1/1) ... [2018-11-07 07:04:08,104 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 07:04:08,161 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 07:04:08,633 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 07:04:08,637 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 07:04:08,748 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 07:04:08,768 INFO L193 MainTranslator]: Completed translation [2018-11-07 07:04:08,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:04:08 WrapperNode [2018-11-07 07:04:08,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 07:04:08,770 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 07:04:08,770 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 07:04:08,771 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 07:04:08,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:04:08" (1/1) ... [2018-11-07 07:04:08,906 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:04:08" (1/1) ... [2018-11-07 07:04:08,916 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 07:04:08,916 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 07:04:08,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 07:04:08,917 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 07:04:08,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:04:08" (1/1) ... [2018-11-07 07:04:08,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:04:08" (1/1) ... [2018-11-07 07:04:08,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:04:08" (1/1) ... [2018-11-07 07:04:08,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:04:08" (1/1) ... [2018-11-07 07:04:08,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:04:08" (1/1) ... [2018-11-07 07:04:09,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:04:08" (1/1) ... [2018-11-07 07:04:09,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:04:08" (1/1) ... [2018-11-07 07:04:09,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 07:04:09,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 07:04:09,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 07:04:09,027 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 07:04:09,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:04:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-07 07:04:09,097 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 07:04:09,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 07:04:09,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 07:04:09,098 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 07:04:09,098 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 07:04:09,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 07:04:09,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 07:04:09,099 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 07:04:09,099 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 07:04:12,073 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 07:04:12,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:04:12 BoogieIcfgContainer [2018-11-07 07:04:12,074 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 07:04:12,075 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 07:04:12,075 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 07:04:12,078 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 07:04:12,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:04:08" (1/3) ... [2018-11-07 07:04:12,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bc9f6ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:04:12, skipping insertion in model container [2018-11-07 07:04:12,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:04:08" (2/3) ... [2018-11-07 07:04:12,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bc9f6ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:04:12, skipping insertion in model container [2018-11-07 07:04:12,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:04:12" (3/3) ... [2018-11-07 07:04:12,083 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label08_true-unreach-call_false-termination.c [2018-11-07 07:04:12,093 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 07:04:12,104 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 07:04:12,123 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 07:04:12,161 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 07:04:12,161 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 07:04:12,161 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 07:04:12,161 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 07:04:12,162 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 07:04:12,164 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 07:04:12,164 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 07:04:12,164 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 07:04:12,201 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-07 07:04:12,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-07 07:04:12,218 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:04:12,219 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] [2018-11-07 07:04:12,222 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:04:12,229 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:04:12,230 INFO L82 PathProgramCache]: Analyzing trace with hash -682702232, now seen corresponding path program 1 times [2018-11-07 07:04:12,233 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:04:12,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:12,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:04:12,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:12,293 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:04:12,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:04:12,965 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 07:04:13,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:04:13,075 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:04:13,075 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 07:04:13,076 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:04:13,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 07:04:13,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 07:04:13,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 07:04:13,100 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-07 07:04:14,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:04:14,660 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-07 07:04:14,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 07:04:14,661 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2018-11-07 07:04:14,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:04:14,680 INFO L225 Difference]: With dead ends: 550 [2018-11-07 07:04:14,680 INFO L226 Difference]: Without dead ends: 340 [2018-11-07 07:04:14,686 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 07:04:14,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-07 07:04:14,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-07 07:04:14,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-07 07:04:14,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 553 transitions. [2018-11-07 07:04:14,770 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 553 transitions. Word has length 120 [2018-11-07 07:04:14,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:04:14,773 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 553 transitions. [2018-11-07 07:04:14,773 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 07:04:14,774 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 553 transitions. [2018-11-07 07:04:14,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-07 07:04:14,784 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:04:14,785 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:04:14,785 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:04:14,785 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:04:14,786 INFO L82 PathProgramCache]: Analyzing trace with hash 1009333063, now seen corresponding path program 1 times [2018-11-07 07:04:14,786 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:04:14,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:14,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:04:14,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:14,788 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:04:14,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:04:14,992 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:04:14,993 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:04:14,993 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 07:04:14,993 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:04:14,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 07:04:14,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 07:04:14,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 07:04:14,996 INFO L87 Difference]: Start difference. First operand 340 states and 553 transitions. Second operand 6 states. [2018-11-07 07:04:17,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:04:17,092 INFO L93 Difference]: Finished difference Result 1075 states and 1835 transitions. [2018-11-07 07:04:17,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 07:04:17,093 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 131 [2018-11-07 07:04:17,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:04:17,104 INFO L225 Difference]: With dead ends: 1075 [2018-11-07 07:04:17,104 INFO L226 Difference]: Without dead ends: 741 [2018-11-07 07:04:17,108 INFO L604 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 [2018-11-07 07:04:17,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-11-07 07:04:17,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 724. [2018-11-07 07:04:17,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2018-11-07 07:04:17,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1145 transitions. [2018-11-07 07:04:17,154 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1145 transitions. Word has length 131 [2018-11-07 07:04:17,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:04:17,154 INFO L480 AbstractCegarLoop]: Abstraction has 724 states and 1145 transitions. [2018-11-07 07:04:17,154 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 07:04:17,155 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1145 transitions. [2018-11-07 07:04:17,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-07 07:04:17,159 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:04:17,162 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:04:17,162 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:04:17,162 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:04:17,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1121563035, now seen corresponding path program 1 times [2018-11-07 07:04:17,163 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:04:17,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:17,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:04:17,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:17,164 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:04:17,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:04:17,665 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:04:17,666 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:04:17,666 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 07:04:17,666 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:04:17,667 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 07:04:17,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 07:04:17,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-07 07:04:17,668 INFO L87 Difference]: Start difference. First operand 724 states and 1145 transitions. Second operand 5 states. [2018-11-07 07:04:19,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:04:19,843 INFO L93 Difference]: Finished difference Result 1578 states and 2533 transitions. [2018-11-07 07:04:19,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 07:04:19,844 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2018-11-07 07:04:19,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:04:19,849 INFO L225 Difference]: With dead ends: 1578 [2018-11-07 07:04:19,849 INFO L226 Difference]: Without dead ends: 721 [2018-11-07 07:04:19,852 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-07 07:04:19,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2018-11-07 07:04:19,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 721. [2018-11-07 07:04:19,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 721 states. [2018-11-07 07:04:19,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 1069 transitions. [2018-11-07 07:04:19,878 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 1069 transitions. Word has length 132 [2018-11-07 07:04:19,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:04:19,879 INFO L480 AbstractCegarLoop]: Abstraction has 721 states and 1069 transitions. [2018-11-07 07:04:19,879 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 07:04:19,879 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1069 transitions. [2018-11-07 07:04:19,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-07 07:04:19,882 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:04:19,883 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-07 07:04:19,883 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:04:19,883 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:04:19,883 INFO L82 PathProgramCache]: Analyzing trace with hash 915740739, now seen corresponding path program 1 times [2018-11-07 07:04:19,884 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:04:19,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:19,885 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:04:19,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:19,885 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:04:19,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:04:20,554 WARN L179 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 24 [2018-11-07 07:04:20,691 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:04:20,692 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:04:20,692 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 07:04:20,692 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:04:20,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 07:04:20,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 07:04:20,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-07 07:04:20,693 INFO L87 Difference]: Start difference. First operand 721 states and 1069 transitions. Second operand 5 states. [2018-11-07 07:04:21,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:04:21,959 INFO L93 Difference]: Finished difference Result 1572 states and 2365 transitions. [2018-11-07 07:04:21,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 07:04:21,959 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2018-11-07 07:04:21,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:04:21,964 INFO L225 Difference]: With dead ends: 1572 [2018-11-07 07:04:21,964 INFO L226 Difference]: Without dead ends: 720 [2018-11-07 07:04:21,967 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-07 07:04:21,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2018-11-07 07:04:21,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 720. [2018-11-07 07:04:21,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 720 states. [2018-11-07 07:04:21,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 1062 transitions. [2018-11-07 07:04:21,990 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 1062 transitions. Word has length 133 [2018-11-07 07:04:21,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:04:21,990 INFO L480 AbstractCegarLoop]: Abstraction has 720 states and 1062 transitions. [2018-11-07 07:04:21,991 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 07:04:21,991 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 1062 transitions. [2018-11-07 07:04:21,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-07 07:04:21,993 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:04:21,994 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] [2018-11-07 07:04:21,994 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:04:21,994 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:04:21,994 INFO L82 PathProgramCache]: Analyzing trace with hash -1024180077, now seen corresponding path program 1 times [2018-11-07 07:04:21,995 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:04:21,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:21,996 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:04:21,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:21,996 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:04:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:04:22,143 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:04:22,144 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:04:22,144 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 07:04:22,144 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:04:22,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 07:04:22,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 07:04:22,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 07:04:22,145 INFO L87 Difference]: Start difference. First operand 720 states and 1062 transitions. Second operand 3 states. [2018-11-07 07:04:23,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:04:23,361 INFO L93 Difference]: Finished difference Result 1882 states and 2820 transitions. [2018-11-07 07:04:23,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 07:04:23,362 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2018-11-07 07:04:23,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:04:23,370 INFO L225 Difference]: With dead ends: 1882 [2018-11-07 07:04:23,371 INFO L226 Difference]: Without dead ends: 1168 [2018-11-07 07:04:23,375 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 07:04:23,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2018-11-07 07:04:23,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 1164. [2018-11-07 07:04:23,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1164 states. [2018-11-07 07:04:23,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 1164 states and 1592 transitions. [2018-11-07 07:04:23,415 INFO L78 Accepts]: Start accepts. Automaton has 1164 states and 1592 transitions. Word has length 136 [2018-11-07 07:04:23,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:04:23,415 INFO L480 AbstractCegarLoop]: Abstraction has 1164 states and 1592 transitions. [2018-11-07 07:04:23,415 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 07:04:23,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1592 transitions. [2018-11-07 07:04:23,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-07 07:04:23,421 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:04:23,421 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:04:23,422 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:04:23,422 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:04:23,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1336149662, now seen corresponding path program 1 times [2018-11-07 07:04:23,422 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:04:23,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:23,423 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:04:23,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:23,423 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:04:23,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:04:24,000 WARN L179 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-07 07:04:24,176 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:04:24,176 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:04:24,176 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:04:24,177 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 169 with the following transitions: [2018-11-07 07:04:24,186 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [597], [599], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:04:24,258 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:04:24,258 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:04:24,900 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 07:04:24,902 INFO L272 AbstractInterpreter]: Visited 121 different actions 121 times. Never merged. Never widened. Never found a fixpoint. Largest state had 42 variables. [2018-11-07 07:04:24,951 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:04:24,952 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 07:04:25,475 INFO L227 lantSequenceWeakener]: Weakened 159 states. On average, predicates are now at 80.46% of their original sizes. [2018-11-07 07:04:25,475 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 07:04:25,737 INFO L415 sIntCurrentIteration]: We unified 167 AI predicates to 167 [2018-11-07 07:04:25,737 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 07:04:25,738 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:04:25,739 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-07 07:04:25,739 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:04:25,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 07:04:25,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 07:04:25,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 07:04:25,740 INFO L87 Difference]: Start difference. First operand 1164 states and 1592 transitions. Second operand 6 states. [2018-11-07 07:04:32,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:04:32,621 INFO L93 Difference]: Finished difference Result 2460 states and 3350 transitions. [2018-11-07 07:04:32,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-07 07:04:32,621 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 168 [2018-11-07 07:04:32,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:04:32,628 INFO L225 Difference]: With dead ends: 2460 [2018-11-07 07:04:32,628 INFO L226 Difference]: Without dead ends: 1302 [2018-11-07 07:04:32,632 INFO L604 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 [2018-11-07 07:04:32,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1302 states. [2018-11-07 07:04:32,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1302 to 1300. [2018-11-07 07:04:32,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1300 states. [2018-11-07 07:04:32,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1300 states and 1734 transitions. [2018-11-07 07:04:32,668 INFO L78 Accepts]: Start accepts. Automaton has 1300 states and 1734 transitions. Word has length 168 [2018-11-07 07:04:32,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:04:32,668 INFO L480 AbstractCegarLoop]: Abstraction has 1300 states and 1734 transitions. [2018-11-07 07:04:32,668 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 07:04:32,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 1734 transitions. [2018-11-07 07:04:32,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-07 07:04:32,675 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:04:32,675 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:04:32,675 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:04:32,676 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:04:32,676 INFO L82 PathProgramCache]: Analyzing trace with hash 213477505, now seen corresponding path program 1 times [2018-11-07 07:04:32,676 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:04:32,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:32,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:04:32,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:32,677 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:04:32,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:04:32,953 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 60 proven. 15 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-07 07:04:32,953 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:04:32,953 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:04:32,954 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 178 with the following transitions: [2018-11-07 07:04:32,954 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [597], [599], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:04:32,960 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:04:32,960 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:04:33,289 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 07:04:33,290 INFO L272 AbstractInterpreter]: Visited 125 different actions 244 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-07 07:04:33,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:04:33,327 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 07:04:33,619 INFO L227 lantSequenceWeakener]: Weakened 174 states. On average, predicates are now at 81.88% of their original sizes. [2018-11-07 07:04:33,619 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 07:04:33,941 INFO L415 sIntCurrentIteration]: We unified 176 AI predicates to 176 [2018-11-07 07:04:33,941 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 07:04:33,942 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:04:33,942 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-07 07:04:33,942 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:04:33,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 07:04:33,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 07:04:33,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-07 07:04:33,944 INFO L87 Difference]: Start difference. First operand 1300 states and 1734 transitions. Second operand 10 states. [2018-11-07 07:04:43,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:04:43,871 INFO L93 Difference]: Finished difference Result 2599 states and 3521 transitions. [2018-11-07 07:04:43,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-07 07:04:43,871 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 177 [2018-11-07 07:04:43,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:04:43,880 INFO L225 Difference]: With dead ends: 2599 [2018-11-07 07:04:43,882 INFO L226 Difference]: Without dead ends: 1441 [2018-11-07 07:04:43,887 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 184 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-07 07:04:43,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1441 states. [2018-11-07 07:04:43,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1441 to 1438. [2018-11-07 07:04:43,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1438 states. [2018-11-07 07:04:43,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1438 states and 1882 transitions. [2018-11-07 07:04:43,926 INFO L78 Accepts]: Start accepts. Automaton has 1438 states and 1882 transitions. Word has length 177 [2018-11-07 07:04:43,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:04:43,926 INFO L480 AbstractCegarLoop]: Abstraction has 1438 states and 1882 transitions. [2018-11-07 07:04:43,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 07:04:43,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 1882 transitions. [2018-11-07 07:04:43,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-07 07:04:43,934 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:04:43,934 INFO L375 BasicCegarLoop]: trace histogram [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, 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] [2018-11-07 07:04:43,934 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:04:43,934 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:04:43,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1364345835, now seen corresponding path program 1 times [2018-11-07 07:04:43,935 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:04:43,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:43,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:04:43,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:43,936 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:04:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:04:44,478 WARN L179 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-07 07:04:44,712 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 100 proven. 15 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-07 07:04:44,712 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:04:44,712 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:04:44,712 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 211 with the following transitions: [2018-11-07 07:04:44,713 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [597], [599], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:04:44,717 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:04:44,718 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:04:44,901 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 07:04:44,901 INFO L272 AbstractInterpreter]: Visited 125 different actions 244 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-07 07:04:44,906 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:04:44,906 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 07:04:45,179 INFO L227 lantSequenceWeakener]: Weakened 207 states. On average, predicates are now at 81.83% of their original sizes. [2018-11-07 07:04:45,179 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 07:04:45,379 INFO L415 sIntCurrentIteration]: We unified 209 AI predicates to 209 [2018-11-07 07:04:45,380 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 07:04:45,380 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:04:45,380 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-07 07:04:45,381 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:04:45,381 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 07:04:45,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 07:04:45,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-07 07:04:45,382 INFO L87 Difference]: Start difference. First operand 1438 states and 1882 transitions. Second operand 10 states. [2018-11-07 07:04:50,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:04:50,459 INFO L93 Difference]: Finished difference Result 2876 states and 3820 transitions. [2018-11-07 07:04:50,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-07 07:04:50,460 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 210 [2018-11-07 07:04:50,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:04:50,468 INFO L225 Difference]: With dead ends: 2876 [2018-11-07 07:04:50,468 INFO L226 Difference]: Without dead ends: 1718 [2018-11-07 07:04:50,472 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 218 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-07 07:04:50,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1718 states. [2018-11-07 07:04:50,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1718 to 1715. [2018-11-07 07:04:50,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1715 states. [2018-11-07 07:04:50,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 1715 states and 2181 transitions. [2018-11-07 07:04:50,516 INFO L78 Accepts]: Start accepts. Automaton has 1715 states and 2181 transitions. Word has length 210 [2018-11-07 07:04:50,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:04:50,517 INFO L480 AbstractCegarLoop]: Abstraction has 1715 states and 2181 transitions. [2018-11-07 07:04:50,517 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 07:04:50,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1715 states and 2181 transitions. [2018-11-07 07:04:50,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-11-07 07:04:50,525 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:04:50,525 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 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, 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] [2018-11-07 07:04:50,525 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:04:50,526 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:04:50,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1434391096, now seen corresponding path program 1 times [2018-11-07 07:04:50,526 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:04:50,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:50,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:04:50,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:50,527 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:04:50,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:04:50,824 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 98 proven. 52 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-07 07:04:50,824 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:04:50,824 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:04:50,824 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 220 with the following transitions: [2018-11-07 07:04:50,825 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [597], [599], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:04:50,830 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:04:50,830 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:04:51,232 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:04:51,232 INFO L272 AbstractInterpreter]: Visited 127 different actions 510 times. Merged at 9 different actions 38 times. Widened at 1 different actions 1 times. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-07 07:04:51,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:04:51,244 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:04:51,244 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:04:51,244 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-07 07:04:51,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:04:51,256 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:04:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:04:51,382 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:04:51,899 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 116 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-07 07:04:51,900 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:04:52,607 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 104 proven. 44 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-07 07:04:52,628 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 07:04:52,628 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-07 07:04:52,628 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 07:04:52,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 07:04:52,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 07:04:52,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-07 07:04:52,630 INFO L87 Difference]: Start difference. First operand 1715 states and 2181 transitions. Second operand 11 states. [2018-11-07 07:04:55,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:04:55,721 INFO L93 Difference]: Finished difference Result 3589 states and 4709 transitions. [2018-11-07 07:04:55,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-07 07:04:55,728 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 219 [2018-11-07 07:04:55,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:04:55,739 INFO L225 Difference]: With dead ends: 3589 [2018-11-07 07:04:55,739 INFO L226 Difference]: Without dead ends: 2293 [2018-11-07 07:04:55,744 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 439 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2018-11-07 07:04:55,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2293 states. [2018-11-07 07:04:55,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2293 to 2285. [2018-11-07 07:04:55,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2285 states. [2018-11-07 07:04:55,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2285 states to 2285 states and 2863 transitions. [2018-11-07 07:04:55,807 INFO L78 Accepts]: Start accepts. Automaton has 2285 states and 2863 transitions. Word has length 219 [2018-11-07 07:04:55,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:04:55,808 INFO L480 AbstractCegarLoop]: Abstraction has 2285 states and 2863 transitions. [2018-11-07 07:04:55,808 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 07:04:55,808 INFO L276 IsEmpty]: Start isEmpty. Operand 2285 states and 2863 transitions. [2018-11-07 07:04:55,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-11-07 07:04:55,816 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:04:55,817 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 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, 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] [2018-11-07 07:04:55,817 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:04:55,817 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:04:55,817 INFO L82 PathProgramCache]: Analyzing trace with hash 49211626, now seen corresponding path program 2 times [2018-11-07 07:04:55,817 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:04:55,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:55,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:04:55,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:55,819 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:04:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:04:56,169 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 98 proven. 54 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-07 07:04:56,169 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:04:56,169 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:04:56,169 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-07 07:04:56,170 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-07 07:04:56,170 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:04:56,170 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-07 07:04:56,180 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-07 07:04:56,180 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-11-07 07:04:56,251 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-11-07 07:04:56,251 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-07 07:04:56,259 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:04:56,354 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-07 07:04:56,354 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:04:56,452 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-07 07:04:56,473 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:04:56,473 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-11-07 07:04:56,473 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:04:56,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 07:04:56,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 07:04:56,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-11-07 07:04:56,474 INFO L87 Difference]: Start difference. First operand 2285 states and 2863 transitions. Second operand 3 states. [2018-11-07 07:04:57,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:04:57,521 INFO L93 Difference]: Finished difference Result 4563 states and 5972 transitions. [2018-11-07 07:04:57,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 07:04:57,523 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 219 [2018-11-07 07:04:57,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:04:57,534 INFO L225 Difference]: With dead ends: 4563 [2018-11-07 07:04:57,534 INFO L226 Difference]: Without dead ends: 2835 [2018-11-07 07:04:57,541 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 447 GetRequests, 439 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-11-07 07:04:57,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2835 states. [2018-11-07 07:04:57,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2835 to 2699. [2018-11-07 07:04:57,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2699 states. [2018-11-07 07:04:57,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2699 states to 2699 states and 3326 transitions. [2018-11-07 07:04:57,610 INFO L78 Accepts]: Start accepts. Automaton has 2699 states and 3326 transitions. Word has length 219 [2018-11-07 07:04:57,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:04:57,611 INFO L480 AbstractCegarLoop]: Abstraction has 2699 states and 3326 transitions. [2018-11-07 07:04:57,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 07:04:57,611 INFO L276 IsEmpty]: Start isEmpty. Operand 2699 states and 3326 transitions. [2018-11-07 07:04:57,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-07 07:04:57,622 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:04:57,622 INFO L375 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:04:57,623 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:04:57,623 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:04:57,623 INFO L82 PathProgramCache]: Analyzing trace with hash 725737755, now seen corresponding path program 1 times [2018-11-07 07:04:57,623 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:04:57,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:57,624 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-07 07:04:57,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:57,624 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:04:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:04:58,500 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 107 proven. 49 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 07:04:58,500 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:04:58,501 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:04:58,501 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 231 with the following transitions: [2018-11-07 07:04:58,501 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [205], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [597], [599], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:04:58,514 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:04:58,514 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:04:59,153 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 07:04:59,154 INFO L272 AbstractInterpreter]: Visited 125 different actions 495 times. Merged at 8 different actions 28 times. Never widened. Found 7 fixpoints after 2 different actions. Largest state had 42 variables. [2018-11-07 07:04:59,197 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:04:59,197 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 07:04:59,616 INFO L227 lantSequenceWeakener]: Weakened 227 states. On average, predicates are now at 83.78% of their original sizes. [2018-11-07 07:04:59,616 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 07:05:00,254 INFO L415 sIntCurrentIteration]: We unified 229 AI predicates to 229 [2018-11-07 07:05:00,255 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 07:05:00,255 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:05:00,255 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-11-07 07:05:00,255 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:05:00,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-07 07:05:00,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-07 07:05:00,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-07 07:05:00,257 INFO L87 Difference]: Start difference. First operand 2699 states and 3326 transitions. Second operand 9 states. [2018-11-07 07:05:09,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:05:09,387 INFO L93 Difference]: Finished difference Result 5938 states and 7510 transitions. [2018-11-07 07:05:09,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-07 07:05:09,387 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 230 [2018-11-07 07:05:09,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:05:09,403 INFO L225 Difference]: With dead ends: 5938 [2018-11-07 07:05:09,403 INFO L226 Difference]: Without dead ends: 3796 [2018-11-07 07:05:09,411 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 238 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2018-11-07 07:05:09,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3796 states. [2018-11-07 07:05:09,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3796 to 3750. [2018-11-07 07:05:09,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3750 states. [2018-11-07 07:05:09,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3750 states to 3750 states and 4496 transitions. [2018-11-07 07:05:09,502 INFO L78 Accepts]: Start accepts. Automaton has 3750 states and 4496 transitions. Word has length 230 [2018-11-07 07:05:09,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:05:09,503 INFO L480 AbstractCegarLoop]: Abstraction has 3750 states and 4496 transitions. [2018-11-07 07:05:09,503 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-07 07:05:09,503 INFO L276 IsEmpty]: Start isEmpty. Operand 3750 states and 4496 transitions. [2018-11-07 07:05:09,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-07 07:05:09,517 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:05:09,517 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2018-11-07 07:05:09,517 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:05:09,518 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:05:09,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1447497907, now seen corresponding path program 1 times [2018-11-07 07:05:09,518 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:05:09,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:05:09,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:05:09,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:05:09,519 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:05:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:05:09,753 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 148 proven. 84 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-07 07:05:09,754 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:05:09,754 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:05:09,754 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 268 with the following transitions: [2018-11-07 07:05:09,754 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [53], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [205], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [597], [599], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:05:09,757 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:05:09,758 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:05:10,124 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:05:10,124 INFO L272 AbstractInterpreter]: Visited 128 different actions 518 times. Merged at 10 different actions 42 times. Widened at 1 different actions 1 times. Found 10 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-07 07:05:10,132 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:05:10,132 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:05:10,132 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:05:10,132 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-07 07:05:10,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:05:10,145 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:05:10,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:05:10,253 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:05:10,384 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 155 proven. 2 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2018-11-07 07:05:10,384 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:05:10,774 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 154 proven. 20 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-07 07:05:10,795 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 07:05:10,796 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-11-07 07:05:10,796 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 07:05:10,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-07 07:05:10,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-07 07:05:10,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-11-07 07:05:10,799 INFO L87 Difference]: Start difference. First operand 3750 states and 4496 transitions. Second operand 12 states. [2018-11-07 07:05:16,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:05:16,255 INFO L93 Difference]: Finished difference Result 13539 states and 17624 transitions. [2018-11-07 07:05:16,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-11-07 07:05:16,255 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 267 [2018-11-07 07:05:16,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:05:16,306 INFO L225 Difference]: With dead ends: 13539 [2018-11-07 07:05:16,307 INFO L226 Difference]: Without dead ends: 10069 [2018-11-07 07:05:16,327 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 613 GetRequests, 565 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 627 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=479, Invalid=1873, Unknown=0, NotChecked=0, Total=2352 [2018-11-07 07:05:16,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10069 states. [2018-11-07 07:05:16,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10069 to 9634. [2018-11-07 07:05:16,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9634 states. [2018-11-07 07:05:16,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9634 states to 9634 states and 11859 transitions. [2018-11-07 07:05:16,622 INFO L78 Accepts]: Start accepts. Automaton has 9634 states and 11859 transitions. Word has length 267 [2018-11-07 07:05:16,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:05:16,623 INFO L480 AbstractCegarLoop]: Abstraction has 9634 states and 11859 transitions. [2018-11-07 07:05:16,623 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-07 07:05:16,623 INFO L276 IsEmpty]: Start isEmpty. Operand 9634 states and 11859 transitions. [2018-11-07 07:05:16,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-11-07 07:05:16,668 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:05:16,668 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2018-11-07 07:05:16,668 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:05:16,669 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:05:16,669 INFO L82 PathProgramCache]: Analyzing trace with hash -773602765, now seen corresponding path program 1 times [2018-11-07 07:05:16,669 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:05:16,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:05:16,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:05:16,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:05:16,670 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:05:16,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:05:17,248 WARN L179 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-11-07 07:05:17,481 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 175 proven. 101 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-07 07:05:17,481 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:05:17,481 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:05:17,481 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 277 with the following transitions: [2018-11-07 07:05:17,482 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [53], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [174], [178], [182], [186], [190], [194], [198], [202], [205], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [597], [599], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:05:17,485 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:05:17,485 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:05:17,960 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:05:17,961 INFO L272 AbstractInterpreter]: Visited 128 different actions 636 times. Merged at 10 different actions 44 times. Widened at 1 different actions 1 times. Found 11 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-07 07:05:17,966 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:05:17,966 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:05:17,966 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:05:17,966 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-07 07:05:17,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:05:17,976 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:05:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:05:18,082 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:05:18,243 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 245 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-07 07:05:18,243 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:05:18,381 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 245 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-07 07:05:18,401 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 07:05:18,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-07 07:05:18,402 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 07:05:18,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-07 07:05:18,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-07 07:05:18,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-11-07 07:05:18,403 INFO L87 Difference]: Start difference. First operand 9634 states and 11859 transitions. Second operand 9 states. [2018-11-07 07:05:19,236 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 13 [2018-11-07 07:05:21,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:05:21,846 INFO L93 Difference]: Finished difference Result 22050 states and 29886 transitions. [2018-11-07 07:05:21,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-07 07:05:21,846 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 276 [2018-11-07 07:05:21,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:05:21,847 INFO L225 Difference]: With dead ends: 22050 [2018-11-07 07:05:21,847 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 07:05:21,931 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 581 GetRequests, 561 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2018-11-07 07:05:21,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 07:05:21,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 07:05:21,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 07:05:21,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 07:05:21,933 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 276 [2018-11-07 07:05:21,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:05:21,933 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 07:05:21,933 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-07 07:05:21,934 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 07:05:21,934 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 07:05:21,939 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 07:05:22,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:22,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:22,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:22,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:22,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:22,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:22,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:22,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:22,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:22,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,488 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,699 WARN L179 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 446 DAG size of output: 147 [2018-11-07 07:05:23,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:23,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:24,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:24,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:24,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:24,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:24,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:24,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:24,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:24,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:24,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:24,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:24,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:24,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:24,206 WARN L179 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 106 [2018-11-07 07:05:24,701 WARN L179 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 20 [2018-11-07 07:05:25,700 WARN L179 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 40 [2018-11-07 07:05:28,350 WARN L179 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 285 DAG size of output: 100 [2018-11-07 07:05:29,017 WARN L179 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 73 [2018-11-07 07:05:29,540 WARN L179 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 71 [2018-11-07 07:05:29,542 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 07:05:29,543 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|) (= |old(~a16~0)| ~a16~0)) [2018-11-07 07:05:29,543 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 07:05:29,543 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-07 07:05:29,543 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-07 07:05:29,543 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,543 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,544 INFO L425 ceAbstractionStarter]: For program point L499(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,544 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,544 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,544 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,544 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-07 07:05:29,544 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-07 07:05:29,544 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-07 07:05:29,544 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-07 07:05:29,544 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-07 07:05:29,544 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-07 07:05:29,545 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-07 07:05:29,545 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-07 07:05:29,545 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-07 07:05:29,545 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-07 07:05:29,545 INFO L425 ceAbstractionStarter]: For program point L568(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,545 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,545 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,545 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,545 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,545 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,545 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-07 07:05:29,546 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-07 07:05:29,546 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-07 07:05:29,546 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-07 07:05:29,546 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-07 07:05:29,546 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-07 07:05:29,546 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-07 07:05:29,546 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-07 07:05:29,546 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-07 07:05:29,546 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-07 07:05:29,546 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-07 07:05:29,547 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-07 07:05:29,547 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-07 07:05:29,547 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-07 07:05:29,547 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-11-07 07:05:29,547 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,547 INFO L425 ceAbstractionStarter]: For program point L505(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,547 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,547 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,548 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,548 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-07 07:05:29,548 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-07 07:05:29,548 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-07 07:05:29,548 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-07 07:05:29,548 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-07 07:05:29,548 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-07 07:05:29,548 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-07 07:05:29,548 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-07 07:05:29,549 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-07 07:05:29,549 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,549 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,549 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,549 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,549 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,549 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-07 07:05:29,549 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-07 07:05:29,549 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-07 07:05:29,550 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-07 07:05:29,550 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-07 07:05:29,550 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-07 07:05:29,550 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-07 07:05:29,550 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-07 07:05:29,550 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-07 07:05:29,550 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-07 07:05:29,550 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-07 07:05:29,550 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-07 07:05:29,550 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-07 07:05:29,551 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,551 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,551 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,551 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,551 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,551 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-07 07:05:29,551 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-07 07:05:29,551 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-07 07:05:29,551 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-07 07:05:29,552 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-07 07:05:29,552 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-07 07:05:29,552 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-07 07:05:29,552 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-07 07:05:29,552 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-07 07:05:29,552 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,552 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,552 INFO L425 ceAbstractionStarter]: For program point L547(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,552 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,553 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,553 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,553 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,553 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-07 07:05:29,553 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-07 07:05:29,553 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-07 07:05:29,553 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-07 07:05:29,553 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-07 07:05:29,553 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-07 07:05:29,553 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-07 07:05:29,554 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-07 07:05:29,554 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-07 07:05:29,554 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-07 07:05:29,554 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-07 07:05:29,554 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-07 07:05:29,554 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-07 07:05:29,554 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-07 07:05:29,554 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,554 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,554 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,555 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,555 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,555 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-07 07:05:29,555 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-07 07:05:29,555 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-07 07:05:29,555 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-07 07:05:29,555 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-07 07:05:29,555 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-07 07:05:29,555 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-07 07:05:29,555 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-07 07:05:29,556 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,556 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,556 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,556 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,556 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,556 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-07 07:05:29,556 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-07 07:05:29,556 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-07 07:05:29,556 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-07 07:05:29,556 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-07 07:05:29,556 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-07 07:05:29,557 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-07 07:05:29,557 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-07 07:05:29,557 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-07 07:05:29,557 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-07 07:05:29,557 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse22 (= 1 |old(~a17~0)|)) (.cse18 (= 13 |old(~a8~0)|)) (.cse16 (= 1 |old(~a21~0)|)) (.cse31 (= 1 |old(~a7~0)|)) (.cse33 (not (= ~a8~0 0))) (.cse34 (= ~a21~0 1)) (.cse35 (= ~a7~0 |old(~a7~0)|)) (.cse24 (= 1 ~a7~0)) (.cse32 (= |old(~a20~0)| ~a20~0)) (.cse36 (= ~a17~0 |old(~a17~0)|)) (.cse27 (= |old(~a16~0)| ~a16~0)) (.cse37 (not (= ~a8~0 13)))) (let ((.cse14 (not (= 5 |old(~a16~0)|))) (.cse21 (and .cse24 .cse32 .cse36 .cse27 .cse37)) (.cse10 (not (= |old(~a20~0)| 1))) (.cse4 (< 0 |old(~a17~0)|)) (.cse19 (and .cse32 .cse33 .cse27 .cse34 .cse37 .cse35 .cse36)) (.cse20 (< 0 |old(~a20~0)|)) (.cse15 (and (not .cse34) .cse24 .cse32 .cse36 .cse27)) (.cse17 (not .cse31)) (.cse6 (= ~a8~0 15)) (.cse0 (= 6 |old(~a16~0)|)) (.cse8 (not (= 15 |old(~a8~0)|))) (.cse1 (not (= 0 |old(~a7~0)|))) (.cse12 (and .cse32 .cse33 .cse27 .cse34 .cse35 .cse36)) (.cse9 (= 0 |old(~a16~0)|)) (.cse5 (= |calculate_output_#in~input| 0)) (.cse11 (= 0 |old(~a8~0)|)) (.cse2 (not .cse16)) (.cse7 (not (= 1 |old(~a20~0)|))) (.cse23 (not (= 4 |old(~a16~0)|))) (.cse3 (not (= 8 ~a12~0))) (.cse25 (= 1 ~a20~0)) (.cse26 (= 13 ~a8~0)) (.cse28 (= 1 ~a21~0)) (.cse29 (= 1 ~a17~0)) (.cse30 (not .cse18)) (.cse13 (not .cse22))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (or .cse0 .cse1 .cse2 .cse10 .cse9 .cse3 .cse4 .cse5 .cse11 .cse12) (or .cse1 .cse2 .cse6 .cse3 .cse5 .cse13 .cse7 .cse8 .cse14) (or .cse6 .cse5 (or .cse1 .cse2 .cse8 (not (= 0 |old(~a20~0)|)) .cse14 .cse3 .cse13)) (or .cse15 (or .cse7 .cse16 .cse3) .cse17) (or .cse1 .cse2 .cse18 .cse9 .cse3 .cse19 .cse5 .cse11 .cse20) (or .cse0 .cse18 .cse21 .cse3 .cse17 .cse4 .cse20) (or .cse0 .cse21 .cse10 .cse18 .cse3 .cse17 .cse4) (or .cse0 .cse1 .cse2 .cse12 .cse9 .cse3 .cse22 .cse5 .cse11 .cse20) (or .cse1 .cse2 .cse7 .cse19 .cse18 .cse9 .cse3 .cse5 .cse11) (or .cse0 .cse16 .cse3 .cse17 .cse20 .cse15) (or .cse2 .cse7 .cse23 (and .cse24 .cse25 .cse26 .cse27 .cse28 .cse29) .cse3 .cse17 .cse30 .cse13) (or .cse5 .cse6 (or (not .cse0) .cse1 .cse2 .cse7 .cse8 (not (= 0 |old(~a17~0)|)) .cse3)) (or .cse1 .cse2 .cse7 .cse12 .cse9 .cse3 .cse5 .cse11 .cse13) (or .cse2 .cse31 .cse7 .cse23 .cse3 (and (not (= ~a7~0 1)) .cse25 .cse26 .cse27 .cse28 .cse29) .cse30 .cse13)))) [2018-11-07 07:05:29,557 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-07 07:05:29,557 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,558 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,558 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,558 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,558 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,558 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-07 07:05:29,558 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,558 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-07 07:05:29,558 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-07 07:05:29,558 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-07 07:05:29,559 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-07 07:05:29,559 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-07 07:05:29,559 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-07 07:05:29,559 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-07 07:05:29,559 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-07 07:05:29,559 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-07 07:05:29,559 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-07 07:05:29,559 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-07 07:05:29,559 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-07 07:05:29,560 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,560 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,560 INFO L425 ceAbstractionStarter]: For program point L493(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,560 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,560 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,560 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,560 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-07 07:05:29,560 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-07 07:05:29,560 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-07 07:05:29,561 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-07 07:05:29,561 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-07 07:05:29,561 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-07 07:05:29,561 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-07 07:05:29,561 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-07 07:05:29,561 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-07 07:05:29,561 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-07 07:05:29,561 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-07 07:05:29,561 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-07 07:05:29,562 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 515) no Hoare annotation was computed. [2018-11-07 07:05:29,562 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-07 07:05:29,562 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-07 07:05:29,562 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-07 07:05:29,562 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,562 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,562 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,562 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,562 INFO L425 ceAbstractionStarter]: For program point L430(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,563 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:29,563 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-07 07:05:29,563 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-07 07:05:29,563 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-07 07:05:29,563 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-07 07:05:29,563 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-07 07:05:29,563 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-07 07:05:29,563 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-07 07:05:29,563 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-07 07:05:29,564 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-07 07:05:29,564 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-07 07:05:29,564 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 07:05:29,564 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2018-11-07 07:05:29,564 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 07:05:29,564 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 07:05:29,564 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (and (= ~a8~0 15) (= ~a21~0 1) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a20~0 1) (= ~a16~0 5)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|))) [2018-11-07 07:05:29,564 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-07 07:05:29,565 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse9 (= ~a21~0 1))) (let ((.cse1 (not .cse9)) (.cse5 (= ~a7~0 0)) (.cse6 (not (= ~a16~0 0))) (.cse7 (not (= main_~input~0 0))) (.cse8 (not (= ~a8~0 0))) (.cse4 (<= ~a20~0 0)) (.cse2 (= 1 ~a7~0)) (.cse0 (= 1 ~a20~0)) (.cse3 (not (= ~a16~0 6))) (.cse11 (<= ~a17~0 0)) (.cse10 (not (= ~a8~0 13)))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 (= 13 ~a8~0) (= 4 ~a16~0) (= 1 ~a21~0) (= 1 ~a17~0)) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (and .cse1 .cse2 .cse3 .cse4) (not (= 5 |old(~a16~0)|)) (and .cse5 .cse6 .cse7 .cse0 (= ~a17~0 |old(~a17~0)|) .cse8 .cse9) (and .cse5 .cse6 .cse7 .cse8 .cse9 .cse4 .cse10) (not (= 0 |old(~a7~0)|)) (and .cse5 .cse6 .cse7 .cse0 .cse8 .cse3 .cse11 .cse9) (not (= 1 |old(~a17~0)|)) (and .cse5 .cse6 .cse7 .cse0 .cse8 .cse9 .cse10) (not (= 15 |old(~a8~0)|)) (and .cse2 .cse3 .cse11 .cse10 .cse4) (and .cse1 .cse2 .cse0) (and .cse5 .cse6 .cse7 .cse8 .cse3 .cse9 (not (= ~a17~0 1)) .cse4) (and .cse2 .cse0 .cse3 .cse11 .cse10)))) [2018-11-07 07:05:29,565 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-07 07:05:29,565 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-07 07:05:29,565 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-07 07:05:29,565 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse3 (= ~a21~0 1))) (let ((.cse6 (not .cse3)) (.cse9 (not (= main_~input~0 0))) (.cse8 (= 1 ~a20~0)) (.cse7 (= 1 ~a7~0)) (.cse10 (not (= ~a16~0 6))) (.cse11 (<= ~a17~0 0)) (.cse5 (not (= ~a8~0 13))) (.cse4 (<= ~a20~0 0)) (.cse0 (= ~a7~0 0)) (.cse1 (not (= ~a16~0 0))) (.cse12 (= |old(~a20~0)| ~a20~0)) (.cse2 (not (= ~a8~0 0)))) (or (not (= 1 |old(~a21~0)|)) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse9 .cse2 .cse10 .cse3 (not (= ~a17~0 1)) .cse4) (and .cse7 .cse8 .cse10 .cse11 .cse5) (and .cse8 (= 13 ~a8~0) (= 4 ~a16~0) (= 1 ~a21~0) (= 1 ~a17~0)) (and .cse6 .cse7 .cse10 .cse4) (and .cse0 .cse1 .cse12 .cse2 .cse10 .cse3 .cse5) (and .cse0 .cse1 .cse12 .cse2 .cse10 .cse11 .cse3) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a17~0)|)) (and .cse0 .cse1 .cse9 .cse8 .cse2 .cse3 .cse5) (not (= 15 |old(~a8~0)|)) (and .cse7 .cse10 .cse11 .cse5 .cse4) (and .cse0 .cse1 .cse12 (= ~a17~0 |old(~a17~0)|) .cse2 .cse3)))) [2018-11-07 07:05:29,565 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-07 07:05:29,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 07:05:29 BoogieIcfgContainer [2018-11-07 07:05:29,580 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 07:05:29,581 INFO L168 Benchmark]: Toolchain (without parser) took 81497.66 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.8 GB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -612.6 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-11-07 07:05:29,582 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 07:05:29,583 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.53 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-07 07:05:29,584 INFO L168 Benchmark]: Boogie Procedure Inliner took 145.92 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 753.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -830.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. [2018-11-07 07:05:29,585 INFO L168 Benchmark]: Boogie Preprocessor took 109.74 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2018-11-07 07:05:29,586 INFO L168 Benchmark]: RCFGBuilder took 3047.41 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 117.2 MB). Peak memory consumption was 117.2 MB. Max. memory is 7.1 GB. [2018-11-07 07:05:29,587 INFO L168 Benchmark]: TraceAbstraction took 77505.57 ms. Allocated memory was 2.3 GB in the beginning and 3.4 GB in the end (delta: 1.1 GB). Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 66.0 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-11-07 07:05:29,598 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 683.53 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 145.92 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 753.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -830.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.74 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3047.41 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 117.2 MB). Peak memory consumption was 117.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 77505.57 ms. Allocated memory was 2.3 GB in the beginning and 3.4 GB in the end (delta: 1.1 GB). Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 66.0 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 515]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((((((((!(1 == \old(a21)) || !(8 == a12)) || !(1 == \old(a20))) || !(5 == \old(a16))) || (((((a7 == 0 && !(a16 == 0)) && !(a8 == 0)) && a21 == 1) && a20 <= 0) && !(a8 == 13))) || ((!(a21 == 1) && 1 == a7) && 1 == a20)) || (((((((a7 == 0 && !(a16 == 0)) && !(input == 0)) && !(a8 == 0)) && !(a16 == 6)) && a21 == 1) && !(a17 == 1)) && a20 <= 0)) || ((((1 == a7 && 1 == a20) && !(a16 == 6)) && a17 <= 0) && !(a8 == 13))) || ((((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21) && 1 == a17)) || (((!(a21 == 1) && 1 == a7) && !(a16 == 6)) && a20 <= 0)) || ((((((a7 == 0 && !(a16 == 0)) && \old(a20) == a20) && !(a8 == 0)) && !(a16 == 6)) && a21 == 1) && !(a8 == 13))) || ((((((a7 == 0 && !(a16 == 0)) && \old(a20) == a20) && !(a8 == 0)) && !(a16 == 6)) && a17 <= 0) && a21 == 1)) || !(0 == \old(a7))) || !(1 == \old(a17))) || ((((((a7 == 0 && !(a16 == 0)) && !(input == 0)) && 1 == a20) && !(a8 == 0)) && a21 == 1) && !(a8 == 13))) || !(15 == \old(a8))) || ((((1 == a7 && !(a16 == 6)) && a17 <= 0) && !(a8 == 13)) && a20 <= 0)) || (((((a7 == 0 && !(a16 == 0)) && \old(a20) == a20) && a17 == \old(a17)) && !(a8 == 0)) && a21 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 77.4s OverallTime, 13 OverallIterations, 6 TraceHistogramMax, 52.7s AutomataDifference, 0.0s DeadEndRemovalTime, 7.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1700 SDtfs, 11531 SDslu, 2269 SDs, 0 SdLazy, 13384 SolverSat, 2496 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.1s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 2942 GetRequests, 2770 SyntacticMatches, 12 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 862 ImplicationChecksByTransitivity, 6.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9634occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.3s AbstIntTime, 7 AbstIntIterations, 4 AbstIntStrong, 0.9974024527465205 AbsIntWeakeningRatio, 0.2023047375160051 AbsIntAvgWeakeningVarsNumRemoved, 29.04481434058899 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 13 MinimizatonAttempts, 654 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 519 PreInvPairs, 1118 NumberOfFragments, 1236 HoareAnnotationTreeSize, 519 FomulaSimplifications, 46294 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 10529 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 7.8s InterpolantComputationTime, 3399 NumberOfCodeBlocks, 3332 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 4359 ConstructedInterpolants, 0 QuantifiedInterpolants, 2487557 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2413 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 21 InterpolantComputations, 7 PerfectInterpolantSequences, 2964/3408 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...