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_label14_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 07:04:29,150 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 07:04:29,152 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 07:04:29,164 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 07:04:29,165 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 07:04:29,166 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 07:04:29,167 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 07:04:29,169 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 07:04:29,171 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 07:04:29,172 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 07:04:29,172 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 07:04:29,176 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 07:04:29,177 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 07:04:29,178 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 07:04:29,179 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 07:04:29,183 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 07:04:29,184 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 07:04:29,188 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 07:04:29,190 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 07:04:29,192 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 07:04:29,193 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 07:04:29,194 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 07:04:29,197 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 07:04:29,197 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 07:04:29,197 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 07:04:29,198 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 07:04:29,199 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 07:04:29,200 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 07:04:29,201 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 07:04:29,202 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 07:04:29,202 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 07:04:29,203 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 07:04:29,203 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 07:04:29,204 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 07:04:29,205 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 07:04:29,205 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 07:04:29,206 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 07:04:29,221 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 07:04:29,222 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 07:04:29,223 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 07:04:29,223 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 07:04:29,223 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 07:04:29,223 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 07:04:29,224 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-07 07:04:29,224 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 07:04:29,224 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 07:04:29,224 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 07:04:29,224 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 07:04:29,225 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 07:04:29,225 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 07:04:29,225 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 07:04:29,226 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 07:04:29,226 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 07:04:29,226 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 07:04:29,226 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 07:04:29,226 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 07:04:29,227 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 07:04:29,227 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 07:04:29,227 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 07:04:29,227 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 07:04:29,227 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 07:04:29,228 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 07:04:29,228 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 07:04:29,228 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 07:04:29,228 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 07:04:29,228 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 07:04:29,229 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 07:04:29,229 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 07:04:29,229 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 07:04:29,229 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 07:04:29,229 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 07:04:29,230 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 07:04:29,230 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 07:04:29,286 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 07:04:29,304 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 07:04:29,307 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 07:04:29,309 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 07:04:29,309 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 07:04:29,310 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label14_true-unreach-call_false-termination.c [2018-11-07 07:04:29,368 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d5776a23/e14336a36b1643a598b4031ca58f0950/FLAG9e7559c2a [2018-11-07 07:04:29,953 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 07:04:29,953 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label14_true-unreach-call_false-termination.c [2018-11-07 07:04:29,971 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d5776a23/e14336a36b1643a598b4031ca58f0950/FLAG9e7559c2a [2018-11-07 07:04:29,989 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d5776a23/e14336a36b1643a598b4031ca58f0950 [2018-11-07 07:04:30,001 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 07:04:30,003 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 07:04:30,004 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 07:04:30,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 07:04:30,012 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 07:04:30,013 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:04:29" (1/1) ... [2018-11-07 07:04:30,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a84e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:04:30, skipping insertion in model container [2018-11-07 07:04:30,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:04:29" (1/1) ... [2018-11-07 07:04:30,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 07:04:30,084 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 07:04:30,601 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 07:04:30,606 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 07:04:30,725 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 07:04:30,744 INFO L193 MainTranslator]: Completed translation [2018-11-07 07:04:30,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:04:30 WrapperNode [2018-11-07 07:04:30,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 07:04:30,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 07:04:30,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 07:04:30,746 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 07:04:30,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:04:30" (1/1) ... [2018-11-07 07:04:30,776 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:04:30" (1/1) ... [2018-11-07 07:04:30,880 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 07:04:30,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 07:04:30,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 07:04:30,880 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 07:04:30,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:04:30" (1/1) ... [2018-11-07 07:04:30,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:04:30" (1/1) ... [2018-11-07 07:04:30,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:04:30" (1/1) ... [2018-11-07 07:04:30,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:04:30" (1/1) ... [2018-11-07 07:04:30,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:04:30" (1/1) ... [2018-11-07 07:04:30,999 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:04:30" (1/1) ... [2018-11-07 07:04:31,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:04:30" (1/1) ... [2018-11-07 07:04:31,017 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 07:04:31,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 07:04:31,018 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 07:04:31,019 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 07:04:31,019 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:04:30" (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 07:04:31,093 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 07:04:31,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 07:04:31,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 07:04:31,094 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 07:04:31,094 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 07:04:31,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 07:04:31,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 07:04:31,097 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 07:04:31,097 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 07:04:34,385 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 07:04:34,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:04:34 BoogieIcfgContainer [2018-11-07 07:04:34,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 07:04:34,388 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 07:04:34,388 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 07:04:34,392 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 07:04:34,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:04:29" (1/3) ... [2018-11-07 07:04:34,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48ae68e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:04:34, skipping insertion in model container [2018-11-07 07:04:34,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:04:30" (2/3) ... [2018-11-07 07:04:34,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48ae68e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:04:34, skipping insertion in model container [2018-11-07 07:04:34,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:04:34" (3/3) ... [2018-11-07 07:04:34,397 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label14_true-unreach-call_false-termination.c [2018-11-07 07:04:34,406 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 07:04:34,414 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 07:04:34,429 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 07:04:34,468 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 07:04:34,468 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 07:04:34,468 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 07:04:34,468 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 07:04:34,469 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 07:04:34,470 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 07:04:34,470 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 07:04:34,470 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 07:04:34,512 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-07 07:04:34,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-07 07:04:34,528 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:04:34,530 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:04:34,532 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:04:34,538 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:04:34,539 INFO L82 PathProgramCache]: Analyzing trace with hash 1783775568, now seen corresponding path program 1 times [2018-11-07 07:04:34,541 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:04:34,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:34,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:04:34,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:34,595 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:04:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:04:35,218 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 07:04:35,368 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 07:04:35,371 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:04:35,372 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 07:04:35,372 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:04:35,381 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 07:04:35,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 07:04:35,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 07:04:35,401 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-07 07:04:36,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:04:36,759 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-07 07:04:36,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 07:04:36,764 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2018-11-07 07:04:36,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:04:36,783 INFO L225 Difference]: With dead ends: 550 [2018-11-07 07:04:36,783 INFO L226 Difference]: Without dead ends: 340 [2018-11-07 07:04:36,790 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 07:04:36,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-07 07:04:36,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-07 07:04:36,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-07 07:04:36,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 541 transitions. [2018-11-07 07:04:36,882 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 541 transitions. Word has length 138 [2018-11-07 07:04:36,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:04:36,883 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 541 transitions. [2018-11-07 07:04:36,883 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 07:04:36,883 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 541 transitions. [2018-11-07 07:04:36,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-07 07:04:36,890 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:04:36,891 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:04:36,891 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:04:36,891 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:04:36,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1808650351, now seen corresponding path program 1 times [2018-11-07 07:04:36,892 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:04:36,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:36,893 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:04:36,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:36,893 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:04:36,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:04:37,096 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 07:04:37,097 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:04:37,097 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 07:04:37,097 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:04:37,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 07:04:37,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 07:04:37,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 07:04:37,100 INFO L87 Difference]: Start difference. First operand 340 states and 541 transitions. Second operand 6 states. [2018-11-07 07:04:38,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:04:38,785 INFO L93 Difference]: Finished difference Result 1075 states and 1784 transitions. [2018-11-07 07:04:38,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 07:04:38,792 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2018-11-07 07:04:38,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:04:38,801 INFO L225 Difference]: With dead ends: 1075 [2018-11-07 07:04:38,801 INFO L226 Difference]: Without dead ends: 741 [2018-11-07 07:04:38,804 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 07:04:38,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-11-07 07:04:38,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 724. [2018-11-07 07:04:38,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2018-11-07 07:04:38,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1120 transitions. [2018-11-07 07:04:38,865 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1120 transitions. Word has length 149 [2018-11-07 07:04:38,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:04:38,865 INFO L480 AbstractCegarLoop]: Abstraction has 724 states and 1120 transitions. [2018-11-07 07:04:38,866 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 07:04:38,866 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1120 transitions. [2018-11-07 07:04:38,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-07 07:04:38,874 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:04:38,874 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:04:38,875 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:04:38,875 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:04:38,875 INFO L82 PathProgramCache]: Analyzing trace with hash 2122506691, now seen corresponding path program 1 times [2018-11-07 07:04:38,875 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:04:38,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:38,877 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:04:38,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:38,877 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:04:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:04:39,390 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 07:04:39,391 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:04:39,391 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 07:04:39,391 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:04:39,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 07:04:39,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 07:04:39,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-07 07:04:39,393 INFO L87 Difference]: Start difference. First operand 724 states and 1120 transitions. Second operand 5 states. [2018-11-07 07:04:41,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:04:41,658 INFO L93 Difference]: Finished difference Result 1578 states and 2483 transitions. [2018-11-07 07:04:41,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 07:04:41,659 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 150 [2018-11-07 07:04:41,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:04:41,669 INFO L225 Difference]: With dead ends: 1578 [2018-11-07 07:04:41,670 INFO L226 Difference]: Without dead ends: 721 [2018-11-07 07:04:41,673 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 07:04:41,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2018-11-07 07:04:41,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 721. [2018-11-07 07:04:41,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 721 states. [2018-11-07 07:04:41,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 1044 transitions. [2018-11-07 07:04:41,713 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 1044 transitions. Word has length 150 [2018-11-07 07:04:41,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:04:41,714 INFO L480 AbstractCegarLoop]: Abstraction has 721 states and 1044 transitions. [2018-11-07 07:04:41,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 07:04:41,714 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1044 transitions. [2018-11-07 07:04:41,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-07 07:04:41,718 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:04:41,719 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:04:41,719 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:04:41,719 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:04:41,720 INFO L82 PathProgramCache]: Analyzing trace with hash -1419468101, now seen corresponding path program 1 times [2018-11-07 07:04:41,720 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:04:41,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:41,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:04:41,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:41,721 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:04:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:04:41,926 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 07:04:41,926 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:04:41,926 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 07:04:41,926 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:04:41,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 07:04:41,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 07:04:41,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 07:04:41,929 INFO L87 Difference]: Start difference. First operand 721 states and 1044 transitions. Second operand 3 states. [2018-11-07 07:04:43,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:04:43,784 INFO L93 Difference]: Finished difference Result 2069 states and 3084 transitions. [2018-11-07 07:04:43,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 07:04:43,786 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2018-11-07 07:04:43,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:04:43,801 INFO L225 Difference]: With dead ends: 2069 [2018-11-07 07:04:43,801 INFO L226 Difference]: Without dead ends: 1354 [2018-11-07 07:04:43,805 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 07:04:43,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1354 states. [2018-11-07 07:04:43,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1354 to 1347. [2018-11-07 07:04:43,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1347 states. [2018-11-07 07:04:43,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1347 states and 1892 transitions. [2018-11-07 07:04:43,860 INFO L78 Accepts]: Start accepts. Automaton has 1347 states and 1892 transitions. Word has length 154 [2018-11-07 07:04:43,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:04:43,860 INFO L480 AbstractCegarLoop]: Abstraction has 1347 states and 1892 transitions. [2018-11-07 07:04:43,861 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 07:04:43,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 1892 transitions. [2018-11-07 07:04:43,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-07 07:04:43,869 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:04:43,869 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:04:43,869 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:04:43,870 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:04:43,870 INFO L82 PathProgramCache]: Analyzing trace with hash 1446107199, now seen corresponding path program 1 times [2018-11-07 07:04:43,870 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:04:43,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:43,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:04:43,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:43,871 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:04:43,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:04:44,113 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:04:44,114 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:04:44,114 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 07:04:44,114 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:04:44,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 07:04:44,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 07:04:44,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 07:04:44,115 INFO L87 Difference]: Start difference. First operand 1347 states and 1892 transitions. Second operand 4 states. [2018-11-07 07:04:45,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:04:45,129 INFO L93 Difference]: Finished difference Result 3232 states and 4626 transitions. [2018-11-07 07:04:45,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 07:04:45,133 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 173 [2018-11-07 07:04:45,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:04:45,145 INFO L225 Difference]: With dead ends: 3232 [2018-11-07 07:04:45,145 INFO L226 Difference]: Without dead ends: 1891 [2018-11-07 07:04:45,152 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 07:04:45,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1891 states. [2018-11-07 07:04:45,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1891 to 1891. [2018-11-07 07:04:45,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1891 states. [2018-11-07 07:04:45,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1891 states to 1891 states and 2551 transitions. [2018-11-07 07:04:45,208 INFO L78 Accepts]: Start accepts. Automaton has 1891 states and 2551 transitions. Word has length 173 [2018-11-07 07:04:45,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:04:45,209 INFO L480 AbstractCegarLoop]: Abstraction has 1891 states and 2551 transitions. [2018-11-07 07:04:45,209 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 07:04:45,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1891 states and 2551 transitions. [2018-11-07 07:04:45,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-07 07:04:45,217 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:04:45,218 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:04:45,218 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:04:45,218 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:04:45,218 INFO L82 PathProgramCache]: Analyzing trace with hash -1915591307, now seen corresponding path program 1 times [2018-11-07 07:04:45,219 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:04:45,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:45,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:04:45,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:45,220 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:04:45,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:04:45,729 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-07 07:04:45,854 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 72 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-07 07:04:45,854 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:04:45,854 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:04:45,855 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 201 with the following transitions: [2018-11-07 07:04:45,858 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [73], [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], [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], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:04:45,913 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:04:45,914 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:04:46,595 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 07:04:46,596 INFO L272 AbstractInterpreter]: Visited 140 different actions 140 times. Never merged. Never widened. Never found a fixpoint. Largest state had 42 variables. [2018-11-07 07:04:46,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:04:46,610 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 07:04:47,107 INFO L227 lantSequenceWeakener]: Weakened 188 states. On average, predicates are now at 80.66% of their original sizes. [2018-11-07 07:04:47,107 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 07:04:47,378 INFO L415 sIntCurrentIteration]: We unified 199 AI predicates to 199 [2018-11-07 07:04:47,379 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 07:04:47,380 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:04:47,380 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-07 07:04:47,380 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:04:47,381 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 07:04:47,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 07:04:47,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 07:04:47,382 INFO L87 Difference]: Start difference. First operand 1891 states and 2551 transitions. Second operand 6 states. [2018-11-07 07:04:55,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:04:55,632 INFO L93 Difference]: Finished difference Result 3914 states and 5257 transitions. [2018-11-07 07:04:55,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-07 07:04:55,633 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 200 [2018-11-07 07:04:55,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:04:55,643 INFO L225 Difference]: With dead ends: 3914 [2018-11-07 07:04:55,644 INFO L226 Difference]: Without dead ends: 2029 [2018-11-07 07:04:55,650 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 200 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-07 07:04:55,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2029 states. [2018-11-07 07:04:55,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2029 to 2027. [2018-11-07 07:04:55,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2027 states. [2018-11-07 07:04:55,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2027 states to 2027 states and 2693 transitions. [2018-11-07 07:04:55,702 INFO L78 Accepts]: Start accepts. Automaton has 2027 states and 2693 transitions. Word has length 200 [2018-11-07 07:04:55,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:04:55,702 INFO L480 AbstractCegarLoop]: Abstraction has 2027 states and 2693 transitions. [2018-11-07 07:04:55,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 07:04:55,703 INFO L276 IsEmpty]: Start isEmpty. Operand 2027 states and 2693 transitions. [2018-11-07 07:04:55,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-07 07:04:55,711 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:04:55,712 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:04:55,712 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:04:55,712 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:04:55,713 INFO L82 PathProgramCache]: Analyzing trace with hash 191855448, now seen corresponding path program 1 times [2018-11-07 07:04:55,713 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:04:55,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:55,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:04:55,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:55,714 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:04:55,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:04:56,035 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 90 proven. 41 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-07 07:04:56,036 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:04:56,036 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:04:56,036 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 210 with the following transitions: [2018-11-07 07:04:56,037 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [73], [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], [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], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:04:56,043 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:04:56,043 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:04:56,335 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 07:04:56,336 INFO L272 AbstractInterpreter]: Visited 144 different actions 282 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 07:04:56,365 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:04:56,365 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 07:04:56,801 INFO L227 lantSequenceWeakener]: Weakened 206 states. On average, predicates are now at 82.05% of their original sizes. [2018-11-07 07:04:56,801 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 07:04:57,515 INFO L415 sIntCurrentIteration]: We unified 208 AI predicates to 208 [2018-11-07 07:04:57,515 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 07:04:57,516 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:04:57,516 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 17 [2018-11-07 07:04:57,516 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:04:57,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 07:04:57,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 07:04:57,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-07 07:04:57,518 INFO L87 Difference]: Start difference. First operand 2027 states and 2693 transitions. Second operand 10 states. [2018-11-07 07:05:03,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:05:03,359 INFO L93 Difference]: Finished difference Result 4053 states and 5402 transitions. [2018-11-07 07:05:03,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-07 07:05:03,359 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 209 [2018-11-07 07:05:03,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:05:03,368 INFO L225 Difference]: With dead ends: 4053 [2018-11-07 07:05:03,369 INFO L226 Difference]: Without dead ends: 2168 [2018-11-07 07:05:03,375 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 216 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-07 07:05:03,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2168 states. [2018-11-07 07:05:03,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2168 to 2165. [2018-11-07 07:05:03,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2165 states. [2018-11-07 07:05:03,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2165 states to 2165 states and 2841 transitions. [2018-11-07 07:05:03,427 INFO L78 Accepts]: Start accepts. Automaton has 2165 states and 2841 transitions. Word has length 209 [2018-11-07 07:05:03,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:05:03,427 INFO L480 AbstractCegarLoop]: Abstraction has 2165 states and 2841 transitions. [2018-11-07 07:05:03,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 07:05:03,428 INFO L276 IsEmpty]: Start isEmpty. Operand 2165 states and 2841 transitions. [2018-11-07 07:05:03,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-11-07 07:05:03,439 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:05:03,439 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:05:03,440 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:05:03,440 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:05:03,440 INFO L82 PathProgramCache]: Analyzing trace with hash -1827509815, now seen corresponding path program 1 times [2018-11-07 07:05:03,440 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:05:03,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:05:03,441 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:05:03,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:05:03,441 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:05:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:05:03,878 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 94 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-07 07:05:03,879 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:05:03,879 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:05:03,879 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 223 with the following transitions: [2018-11-07 07:05:03,879 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [73], [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], [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], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:05:03,886 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:05:03,886 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:05:04,052 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 07:05:04,052 INFO L272 AbstractInterpreter]: Visited 143 different actions 280 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 07:05:04,060 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:05:04,060 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 07:05:04,303 INFO L227 lantSequenceWeakener]: Weakened 219 states. On average, predicates are now at 82.03% of their original sizes. [2018-11-07 07:05:04,303 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 07:05:04,496 INFO L415 sIntCurrentIteration]: We unified 221 AI predicates to 221 [2018-11-07 07:05:04,496 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 07:05:04,496 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:05:04,497 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-07 07:05:04,497 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:05:04,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 07:05:04,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 07:05:04,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-07 07:05:04,498 INFO L87 Difference]: Start difference. First operand 2165 states and 2841 transitions. Second operand 10 states. [2018-11-07 07:05:10,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:05:10,996 INFO L93 Difference]: Finished difference Result 4602 states and 6122 transitions. [2018-11-07 07:05:10,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-07 07:05:10,996 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 222 [2018-11-07 07:05:10,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:05:11,007 INFO L225 Difference]: With dead ends: 4602 [2018-11-07 07:05:11,008 INFO L226 Difference]: Without dead ends: 2717 [2018-11-07 07:05:11,015 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 230 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-07 07:05:11,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2717 states. [2018-11-07 07:05:11,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2717 to 2714. [2018-11-07 07:05:11,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2714 states. [2018-11-07 07:05:11,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3447 transitions. [2018-11-07 07:05:11,075 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3447 transitions. Word has length 222 [2018-11-07 07:05:11,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:05:11,076 INFO L480 AbstractCegarLoop]: Abstraction has 2714 states and 3447 transitions. [2018-11-07 07:05:11,076 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 07:05:11,076 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3447 transitions. [2018-11-07 07:05:11,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-11-07 07:05:11,087 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:05:11,087 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:05:11,087 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:05:11,088 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:05:11,088 INFO L82 PathProgramCache]: Analyzing trace with hash 679256940, now seen corresponding path program 1 times [2018-11-07 07:05:11,088 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:05:11,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:05:11,089 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:05:11,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:05:11,089 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:05:11,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:05:11,322 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 92 proven. 46 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-07 07:05:11,322 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:05:11,322 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:05:11,322 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 232 with the following transitions: [2018-11-07 07:05:11,323 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], [73], [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], [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], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:05:11,326 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:05:11,326 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:05:11,739 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:05:11,740 INFO L272 AbstractInterpreter]: Visited 145 different actions 582 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 07:05:11,746 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:05:11,747 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:05:11,747 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:05:11,747 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 07:05:11,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:05:11,759 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:05:11,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:05:12,062 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:05:12,544 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 110 proven. 2 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-07 07:05:12,545 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:05:12,811 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-07 07:05:13,013 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 98 proven. 38 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-07 07:05:13,035 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 07:05:13,035 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-07 07:05:13,035 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 07:05:13,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 07:05:13,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 07:05:13,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-07 07:05:13,037 INFO L87 Difference]: Start difference. First operand 2714 states and 3447 transitions. Second operand 11 states. [2018-11-07 07:05:17,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:05:17,165 INFO L93 Difference]: Finished difference Result 8959 states and 12309 transitions. [2018-11-07 07:05:17,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-07 07:05:17,173 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 231 [2018-11-07 07:05:17,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:05:17,204 INFO L225 Difference]: With dead ends: 8959 [2018-11-07 07:05:17,204 INFO L226 Difference]: Without dead ends: 6936 [2018-11-07 07:05:17,220 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 485 GetRequests, 465 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-11-07 07:05:17,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6936 states. [2018-11-07 07:05:17,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6936 to 6921. [2018-11-07 07:05:17,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6921 states. [2018-11-07 07:05:17,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6921 states to 6921 states and 8785 transitions. [2018-11-07 07:05:17,389 INFO L78 Accepts]: Start accepts. Automaton has 6921 states and 8785 transitions. Word has length 231 [2018-11-07 07:05:17,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:05:17,389 INFO L480 AbstractCegarLoop]: Abstraction has 6921 states and 8785 transitions. [2018-11-07 07:05:17,389 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 07:05:17,390 INFO L276 IsEmpty]: Start isEmpty. Operand 6921 states and 8785 transitions. [2018-11-07 07:05:17,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-11-07 07:05:17,414 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:05:17,414 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:05:17,415 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:05:17,415 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:05:17,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1458725959, now seen corresponding path program 1 times [2018-11-07 07:05:17,415 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:05:17,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:05:17,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:05:17,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:05:17,416 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:05:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:05:17,649 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 118 proven. 71 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-07 07:05:17,649 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:05:17,649 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:05:17,649 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 256 with the following transitions: [2018-11-07 07:05:17,650 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [89], [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], [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], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:05:17,652 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:05:17,652 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:05:18,283 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:05:18,283 INFO L272 AbstractInterpreter]: Visited 146 different actions 589 times. Merged at 10 different actions 41 times. Never widened. Found 10 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-07 07:05:18,320 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:05:18,320 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:05:18,321 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:05:18,321 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 07:05:18,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:05:18,341 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:05:18,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:05:18,467 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:05:19,064 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-07 07:05:19,065 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:05:19,590 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-07 07:05:19,611 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 07:05:19,611 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-11-07 07:05:19,611 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 07:05:19,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-07 07:05:19,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-07 07:05:19,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-11-07 07:05:19,613 INFO L87 Difference]: Start difference. First operand 6921 states and 8785 transitions. Second operand 12 states. [2018-11-07 07:05:25,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:05:25,205 INFO L93 Difference]: Finished difference Result 16531 states and 22289 transitions. [2018-11-07 07:05:25,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-11-07 07:05:25,206 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 255 [2018-11-07 07:05:25,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:05:25,257 INFO L225 Difference]: With dead ends: 16531 [2018-11-07 07:05:25,257 INFO L226 Difference]: Without dead ends: 9890 [2018-11-07 07:05:25,287 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 577 GetRequests, 535 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 449 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=411, Invalid=1395, Unknown=0, NotChecked=0, Total=1806 [2018-11-07 07:05:25,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9890 states. [2018-11-07 07:05:25,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9890 to 9628. [2018-11-07 07:05:25,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9628 states. [2018-11-07 07:05:25,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9628 states to 9628 states and 12327 transitions. [2018-11-07 07:05:25,560 INFO L78 Accepts]: Start accepts. Automaton has 9628 states and 12327 transitions. Word has length 255 [2018-11-07 07:05:25,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:05:25,561 INFO L480 AbstractCegarLoop]: Abstraction has 9628 states and 12327 transitions. [2018-11-07 07:05:25,561 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-07 07:05:25,561 INFO L276 IsEmpty]: Start isEmpty. Operand 9628 states and 12327 transitions. [2018-11-07 07:05:25,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-11-07 07:05:25,607 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:05:25,608 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:05:25,608 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:05:25,608 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:05:25,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1683838344, now seen corresponding path program 1 times [2018-11-07 07:05:25,609 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:05:25,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:05:25,610 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:05:25,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:05:25,610 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:05:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:05:26,640 WARN L179 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-11-07 07:05:26,883 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 173 proven. 51 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-07 07:05:26,883 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:05:26,883 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:05:26,883 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 261 with the following transitions: [2018-11-07 07:05:26,884 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], [89], [90], [94], [98], [102], [105], [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], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:05:26,887 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:05:26,887 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:05:27,403 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:05:27,404 INFO L272 AbstractInterpreter]: Visited 145 different actions 580 times. Merged at 9 different actions 36 times. Widened at 1 different actions 1 times. Found 7 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-07 07:05:27,429 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:05:27,429 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:05:27,429 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:05:27,430 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 07:05:27,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:05:27,440 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:05:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:05:27,532 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:05:27,627 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 162 proven. 25 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-07 07:05:27,627 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:05:28,078 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 185 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-07 07:05:28,098 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 07:05:28,098 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 12 [2018-11-07 07:05:28,098 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 07:05:28,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 07:05:28,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 07:05:28,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-11-07 07:05:28,100 INFO L87 Difference]: Start difference. First operand 9628 states and 12327 transitions. Second operand 11 states. [2018-11-07 07:05:32,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:05:32,906 INFO L93 Difference]: Finished difference Result 21805 states and 30047 transitions. [2018-11-07 07:05:32,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-11-07 07:05:32,907 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 260 [2018-11-07 07:05:32,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:05:32,971 INFO L225 Difference]: With dead ends: 21805 [2018-11-07 07:05:32,972 INFO L226 Difference]: Without dead ends: 12735 [2018-11-07 07:05:33,014 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 583 GetRequests, 540 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=331, Invalid=1391, Unknown=0, NotChecked=0, Total=1722 [2018-11-07 07:05:33,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12735 states. [2018-11-07 07:05:33,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12735 to 11399. [2018-11-07 07:05:33,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11399 states. [2018-11-07 07:05:33,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11399 states to 11399 states and 13894 transitions. [2018-11-07 07:05:33,341 INFO L78 Accepts]: Start accepts. Automaton has 11399 states and 13894 transitions. Word has length 260 [2018-11-07 07:05:33,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:05:33,341 INFO L480 AbstractCegarLoop]: Abstraction has 11399 states and 13894 transitions. [2018-11-07 07:05:33,341 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 07:05:33,342 INFO L276 IsEmpty]: Start isEmpty. Operand 11399 states and 13894 transitions. [2018-11-07 07:05:33,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-11-07 07:05:33,402 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:05:33,402 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-07 07:05:33,403 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:05:33,403 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:05:33,403 INFO L82 PathProgramCache]: Analyzing trace with hash 1682387255, now seen corresponding path program 1 times [2018-11-07 07:05:33,403 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:05:33,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:05:33,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:05:33,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:05:33,404 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:05:33,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:05:33,950 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 299 proven. 18 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2018-11-07 07:05:33,950 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:05:33,951 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:05:33,951 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 332 with the following transitions: [2018-11-07 07:05:33,952 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [45], [46], [49], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [89], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [129], [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], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:05:33,955 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:05:33,955 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:05:34,555 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:05:34,555 INFO L272 AbstractInterpreter]: Visited 148 different actions 599 times. Merged at 12 different actions 43 times. Widened at 1 different actions 1 times. Found 12 fixpoints after 5 different actions. Largest state had 42 variables. [2018-11-07 07:05:34,591 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:05:34,591 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:05:34,591 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:05:34,591 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 07:05:34,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:05:34,606 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:05:34,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:05:34,746 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:05:34,883 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 387 proven. 2 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2018-11-07 07:05:34,883 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:05:35,098 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 299 proven. 18 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2018-11-07 07:05:35,119 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 07:05:35,120 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2018-11-07 07:05:35,120 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 07:05:35,120 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-07 07:05:35,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-07 07:05:35,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-11-07 07:05:35,121 INFO L87 Difference]: Start difference. First operand 11399 states and 13894 transitions. Second operand 9 states. [2018-11-07 07:05:37,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:05:37,153 INFO L93 Difference]: Finished difference Result 22130 states and 27607 transitions. [2018-11-07 07:05:37,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-07 07:05:37,156 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 331 [2018-11-07 07:05:37,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:05:37,157 INFO L225 Difference]: With dead ends: 22130 [2018-11-07 07:05:37,157 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 07:05:37,219 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 687 GetRequests, 666 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=132, Invalid=374, Unknown=0, NotChecked=0, Total=506 [2018-11-07 07:05:37,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 07:05:37,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 07:05:37,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 07:05:37,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 07:05:37,222 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 331 [2018-11-07 07:05:37,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:05:37,223 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 07:05:37,224 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-07 07:05:37,224 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 07:05:37,225 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 07:05:37,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 07:05:37,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:37,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:37,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:37,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:37,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:37,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:37,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:37,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:37,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:37,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:37,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:37,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:37,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:37,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:37,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:37,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:37,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,097 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,672 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:38,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,276 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,441 WARN L179 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 639 DAG size of output: 216 [2018-11-07 07:05:39,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:39,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,062 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:40,592 WARN L179 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 630 DAG size of output: 212 [2018-11-07 07:05:41,078 WARN L179 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 20 [2018-11-07 07:05:41,752 WARN L179 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 40 [2018-11-07 07:05:44,541 WARN L179 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 272 DAG size of output: 104 [2018-11-07 07:05:45,894 WARN L179 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 197 DAG size of output: 68 [2018-11-07 07:05:47,112 WARN L179 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 194 DAG size of output: 68 [2018-11-07 07:05:47,116 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 07:05:47,116 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(~a8~0)| ~a8~0) (= |old(~a16~0)| ~a16~0) (= ~a21~0 |old(~a21~0)|)) [2018-11-07 07:05:47,117 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 07:05:47,117 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-07 07:05:47,117 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-07 07:05:47,117 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,117 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 569) no Hoare annotation was computed. [2018-11-07 07:05:47,117 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,118 INFO L425 ceAbstractionStarter]: For program point L499(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,118 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,118 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,118 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,118 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-07 07:05:47,118 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-07 07:05:47,118 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-07 07:05:47,118 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-07 07:05:47,118 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-07 07:05:47,119 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-07 07:05:47,119 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-07 07:05:47,119 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-07 07:05:47,119 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-07 07:05:47,119 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-07 07:05:47,119 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,119 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,119 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,119 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,119 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,120 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,120 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-07 07:05:47,120 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-07 07:05:47,120 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-07 07:05:47,120 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-07 07:05:47,120 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-07 07:05:47,120 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-07 07:05:47,120 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-07 07:05:47,120 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-07 07:05:47,121 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-07 07:05:47,121 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-07 07:05:47,121 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-07 07:05:47,121 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-07 07:05:47,121 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-07 07:05:47,121 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-07 07:05:47,121 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-11-07 07:05:47,121 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,121 INFO L425 ceAbstractionStarter]: For program point L505(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,121 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,121 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,121 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,121 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-07 07:05:47,121 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-07 07:05:47,122 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-07 07:05:47,122 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-07 07:05:47,122 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-07 07:05:47,122 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-07 07:05:47,122 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-07 07:05:47,122 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-07 07:05:47,122 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-07 07:05:47,122 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,122 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,122 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,122 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,123 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,123 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-07 07:05:47,123 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-07 07:05:47,123 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-07 07:05:47,123 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-07 07:05:47,123 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-07 07:05:47,123 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-07 07:05:47,123 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-07 07:05:47,124 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-07 07:05:47,124 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-07 07:05:47,124 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-07 07:05:47,124 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-07 07:05:47,124 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-07 07:05:47,124 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-07 07:05:47,124 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,124 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,124 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,124 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,125 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,125 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-07 07:05:47,125 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-07 07:05:47,125 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-07 07:05:47,125 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-07 07:05:47,125 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-07 07:05:47,125 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-07 07:05:47,125 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-07 07:05:47,125 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-07 07:05:47,126 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-07 07:05:47,126 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,126 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,126 INFO L425 ceAbstractionStarter]: For program point L547(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,126 INFO L425 ceAbstractionStarter]: For program point L514(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,126 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,126 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,126 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,126 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-07 07:05:47,127 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-07 07:05:47,127 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-07 07:05:47,127 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-07 07:05:47,127 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-07 07:05:47,127 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-07 07:05:47,127 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-07 07:05:47,127 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-07 07:05:47,127 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-07 07:05:47,127 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-07 07:05:47,128 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-07 07:05:47,128 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-07 07:05:47,128 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-07 07:05:47,128 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-07 07:05:47,128 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,128 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,128 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,128 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,128 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,129 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-07 07:05:47,129 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-07 07:05:47,129 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-07 07:05:47,129 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-07 07:05:47,129 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-07 07:05:47,129 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-07 07:05:47,129 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-07 07:05:47,129 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-07 07:05:47,129 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,130 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,130 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,130 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,130 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,130 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-07 07:05:47,130 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-07 07:05:47,130 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-07 07:05:47,130 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-07 07:05:47,130 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-07 07:05:47,130 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-07 07:05:47,131 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-07 07:05:47,131 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-07 07:05:47,131 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-07 07:05:47,131 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-07 07:05:47,131 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse14 (= 4 |old(~a16~0)|)) (.cse28 (= ~a21~0 |old(~a21~0)|)) (.cse26 (= |old(~a20~0)| ~a20~0)) (.cse25 (= ~a7~0 |old(~a7~0)|)) (.cse27 (= ~a17~0 |old(~a17~0)|)) (.cse29 (= ~a16~0 |old(~a16~0)|)) (.cse24 (<= |old(~a8~0)| ~a8~0)) (.cse23 (= 1 ~a21~0))) (let ((.cse16 (< |old(~a20~0)| 1)) (.cse9 (not (= 0 |old(~a7~0)|))) (.cse8 (= |calculate_output_#in~input| 0)) (.cse13 (= ~a8~0 15)) (.cse10 (not (= 15 |old(~a8~0)|))) (.cse5 (and .cse26 .cse25 .cse27 .cse29 .cse24 .cse23)) (.cse7 (< 0 |old(~a20~0)|)) (.cse6 (= 6 |old(~a16~0)|)) (.cse15 (and .cse26 .cse28 .cse25 .cse27 .cse29 .cse24)) (.cse18 (not (= 1 |old(~a20~0)|))) (.cse2 (not .cse14)) (.cse0 (not (= 1 |old(~a21~0)|))) (.cse1 (= 1 |old(~a7~0)|)) (.cse11 (not (= 5 |old(~a16~0)|))) (.cse19 (and .cse26 .cse25 .cse27 .cse24 .cse23 (= 5 ~a16~0))) (.cse20 (< |old(~a8~0)| 15)) (.cse12 (not (= 1 |old(~a17~0)|))) (.cse21 (not (= |old(~a20~0)| 1))) (.cse3 (not (= 8 ~a12~0))) (.cse4 (< 0 |old(~a17~0)|)) (.cse17 (< 0 |old(~a21~0)|)) (.cse22 (= |old(~a16~0)| ~a16~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse3 .cse5 .cse4 .cse7) (or .cse8 (or .cse9 .cse0 .cse10 (not (= 0 |old(~a20~0)|)) .cse11 .cse3 .cse12) .cse13) (or .cse14 .cse15 .cse3 .cse16 .cse4 .cse17) (or .cse0 .cse1 .cse18 .cse3 .cse5 .cse12) (or .cse9 .cse0 .cse3 .cse8 .cse12 .cse13 .cse18 .cse10 .cse11) (or .cse0 .cse11 .cse3 .cse4 .cse19) (or .cse0 .cse1 .cse5 .cse3 .cse4 .cse20) (or (and (or .cse8 (or (not .cse6) .cse9 .cse0 .cse18 .cse10 (not (= 0 |old(~a17~0)|)) .cse3)) (or .cse9 .cse0 .cse10 .cse11 .cse21 .cse3 .cse4 .cse8)) .cse13) (or .cse0 .cse1 .cse2 .cse5 .cse3 .cse16 .cse12) (or .cse9 .cse0 .cse2 .cse3 .cse4 .cse8 .cse13 .cse18 .cse10) (or .cse0 .cse1 .cse5 .cse3 .cse20 .cse7 .cse12) (or .cse6 .cse15 .cse3 .cse17 .cse12) (or .cse0 .cse18 .cse2 (and (= 1 ~a7~0) (= 1 ~a20~0) (= 13 ~a8~0) .cse22 .cse23 (= 1 ~a17~0)) .cse3 (not .cse1) (not (= 13 |old(~a8~0)|)) .cse12) (or .cse0 .cse1 .cse11 .cse3 .cse19 .cse20 .cse12) (or (or .cse21 .cse3 .cse4 .cse17) (and .cse24 (and .cse25 .cse26 .cse27 .cse22) .cse28))))) [2018-11-07 07:05:47,131 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-07 07:05:47,132 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,132 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,132 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,132 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,132 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,132 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-07 07:05:47,132 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,132 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-07 07:05:47,132 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-07 07:05:47,133 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-07 07:05:47,133 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-07 07:05:47,133 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-07 07:05:47,133 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-07 07:05:47,133 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-07 07:05:47,133 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-07 07:05:47,133 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-07 07:05:47,133 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-07 07:05:47,133 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-07 07:05:47,133 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-07 07:05:47,134 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,134 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,134 INFO L425 ceAbstractionStarter]: For program point L493(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,134 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,134 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,134 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,134 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-07 07:05:47,134 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-07 07:05:47,134 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-07 07:05:47,134 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-07 07:05:47,135 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-07 07:05:47,135 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-07 07:05:47,135 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-07 07:05:47,135 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-07 07:05:47,135 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-07 07:05:47,135 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-07 07:05:47,135 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-07 07:05:47,135 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-07 07:05:47,135 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-07 07:05:47,135 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-07 07:05:47,135 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-07 07:05:47,136 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,136 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,136 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,136 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,136 INFO L425 ceAbstractionStarter]: For program point L430(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,136 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:05:47,136 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-07 07:05:47,136 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-07 07:05:47,136 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-07 07:05:47,136 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-07 07:05:47,137 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-07 07:05:47,137 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-07 07:05:47,137 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-07 07:05:47,137 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-07 07:05:47,137 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-07 07:05:47,137 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-07 07:05:47,137 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 07:05:47,137 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= 1 ~a21~0) (= ~a12~0 8) (= ~a20~0 1) (= 1 ~a17~0) (= ~a16~0 5)) [2018-11-07 07:05:47,137 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 07:05:47,138 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 07:05:47,138 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)|)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (and (= ~a8~0 15) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= 1 ~a21~0) (= ~a20~0 1) (= ~a16~0 5)) (not (= 1 |old(~a17~0)|))) [2018-11-07 07:05:47,138 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-07 07:05:47,138 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (not (= ~a16~0 6))) (.cse3 (<= ~a20~0 0)) (.cse10 (= |old(~a20~0)| ~a20~0)) (.cse11 (= ~a16~0 4)) (.cse9 (= 4 ~a16~0)) (.cse7 (<= ~a21~0 0)) (.cse2 (<= ~a17~0 0)) (.cse12 (<= 1 ~a20~0)) (.cse5 (<= 15 ~a8~0)) (.cse1 (= 1 ~a21~0)) (.cse4 (not (= ~a7~0 1))) (.cse6 (= 5 ~a16~0)) (.cse8 (= 1 ~a17~0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse4 .cse5 .cse1 .cse2) (and .cse2 .cse1 .cse6) (and .cse7 .cse0 .cse8) (and (= 1 ~a20~0) (= 13 ~a8~0) .cse9 .cse1 .cse8) (and .cse4 .cse10 .cse1 .cse8) (and .cse4 .cse5 .cse1 .cse3 .cse8) (and .cse4 (= ~a17~0 |old(~a17~0)|) .cse11 .cse1 .cse12) (not (= 0 |old(~a7~0)|)) (and .cse7 .cse10 .cse2) (and .cse4 .cse11 .cse1 .cse2) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and (not .cse9) .cse7 .cse2 .cse12) (and .cse5 .cse1 (and .cse4 .cse6 .cse8)))) [2018-11-07 07:05:47,138 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-07 07:05:47,138 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-07 07:05:47,138 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-07 07:05:47,139 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse0 (not (= ~a16~0 6))) (.cse3 (<= ~a20~0 0)) (.cse10 (= |old(~a20~0)| ~a20~0)) (.cse11 (= ~a16~0 4)) (.cse9 (= 4 ~a16~0)) (.cse7 (<= ~a21~0 0)) (.cse2 (<= ~a17~0 0)) (.cse12 (<= 1 ~a20~0)) (.cse5 (<= 15 ~a8~0)) (.cse1 (= 1 ~a21~0)) (.cse4 (not (= ~a7~0 1))) (.cse6 (= 5 ~a16~0)) (.cse8 (= 1 ~a17~0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse4 .cse5 .cse1 .cse2) (and .cse2 .cse1 .cse6) (and .cse7 .cse0 .cse8) (and (= 1 ~a20~0) (= 13 ~a8~0) .cse9 .cse1 .cse8) (and .cse4 .cse10 .cse1 .cse8) (and .cse4 .cse5 .cse1 .cse3 .cse8) (and .cse4 (= ~a17~0 |old(~a17~0)|) .cse11 .cse1 .cse12) (not (= 0 |old(~a7~0)|)) (and .cse7 .cse10 .cse2) (and .cse4 .cse11 .cse1 .cse2) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and (not .cse9) .cse7 .cse2 .cse12) (and .cse5 .cse1 (and .cse4 .cse6 .cse8)))) [2018-11-07 07:05:47,139 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-07 07:05:47,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 07:05:47 BoogieIcfgContainer [2018-11-07 07:05:47,153 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 07:05:47,154 INFO L168 Benchmark]: Toolchain (without parser) took 77152.11 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -235.8 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-11-07 07:05:47,155 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 07:05:47,156 INFO L168 Benchmark]: CACSL2BoogieTranslator took 740.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-11-07 07:05:47,157 INFO L168 Benchmark]: Boogie Procedure Inliner took 134.62 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 716.7 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -791.7 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. [2018-11-07 07:05:47,158 INFO L168 Benchmark]: Boogie Preprocessor took 137.11 ms. Allocated memory is still 2.2 GB. Free memory is still 2.1 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 07:05:47,158 INFO L168 Benchmark]: RCFGBuilder took 3369.14 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 119.4 MB). Peak memory consumption was 119.4 MB. Max. memory is 7.1 GB. [2018-11-07 07:05:47,159 INFO L168 Benchmark]: TraceAbstraction took 72765.30 ms. Allocated memory was 2.2 GB in the beginning and 3.4 GB in the end (delta: 1.2 GB). Free memory was 2.0 GB in the beginning and 1.6 GB in the end (delta: 394.3 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-11-07 07:05:47,163 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 740.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 134.62 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 716.7 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -791.7 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 137.11 ms. Allocated memory is still 2.2 GB. Free memory is still 2.1 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3369.14 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 119.4 MB). Peak memory consumption was 119.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 72765.30 ms. Allocated memory was 2.2 GB in the beginning and 3.4 GB in the end (delta: 1.2 GB). Free memory was 2.0 GB in the beginning and 1.6 GB in the end (delta: 394.3 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 569]: 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)) || (((!(a16 == 6) && 1 == a21) && a17 <= 0) && a20 <= 0)) || !(8 == a12)) || !(1 == \old(a20))) || !(5 == \old(a16))) || (((!(a7 == 1) && 15 <= a8) && 1 == a21) && a17 <= 0)) || ((a17 <= 0 && 1 == a21) && 5 == a16)) || ((a21 <= 0 && !(a16 == 6)) && 1 == a17)) || ((((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21) && 1 == a17)) || (((!(a7 == 1) && \old(a20) == a20) && 1 == a21) && 1 == a17)) || ((((!(a7 == 1) && 15 <= a8) && 1 == a21) && a20 <= 0) && 1 == a17)) || ((((!(a7 == 1) && a17 == \old(a17)) && a16 == 4) && 1 == a21) && 1 <= a20)) || !(0 == \old(a7))) || ((a21 <= 0 && \old(a20) == a20) && a17 <= 0)) || (((!(a7 == 1) && a16 == 4) && 1 == a21) && a17 <= 0)) || !(1 == \old(a17))) || !(15 == \old(a8))) || (((!(4 == a16) && a21 <= 0) && a17 <= 0) && 1 <= a20)) || ((15 <= a8 && 1 == a21) && (!(a7 == 1) && 5 == a16) && 1 == a17) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 72.6s OverallTime, 12 OverallIterations, 8 TraceHistogramMax, 45.8s AutomataDifference, 0.0s DeadEndRemovalTime, 9.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 1501 SDtfs, 11972 SDslu, 2848 SDs, 0 SdLazy, 16392 SolverSat, 2749 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.1s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 3011 GetRequests, 2827 SyntacticMatches, 12 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1122 ImplicationChecksByTransitivity, 6.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11399occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.5s AbstIntTime, 7 AbstIntIterations, 3 AbstIntStrong, 0.9973120536923665 AbsIntWeakeningRatio, 0.2054140127388535 AbsIntAvgWeakeningVarsNumRemoved, 29.272292993630572 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 1645 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 570 PreInvPairs, 998 NumberOfFragments, 1144 HoareAnnotationTreeSize, 570 FomulaSimplifications, 73653 FormulaSimplificationTreeSizeReduction, 3.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 13663 FormulaSimplificationTreeSizeReductionInter, 6.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 3549 NumberOfCodeBlocks, 3549 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 4606 ConstructedInterpolants, 0 QuantifiedInterpolants, 2307232 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2838 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 20 InterpolantComputations, 5 PerfectInterpolantSequences, 3957/4323 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...