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-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label09_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 18:43:13,145 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 18:43:13,148 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 18:43:13,160 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 18:43:13,160 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 18:43:13,161 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 18:43:13,163 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 18:43:13,165 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 18:43:13,166 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 18:43:13,167 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 18:43:13,168 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 18:43:13,169 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 18:43:13,170 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 18:43:13,171 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 18:43:13,172 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 18:43:13,173 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 18:43:13,174 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 18:43:13,175 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 18:43:13,178 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 18:43:13,179 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 18:43:13,181 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 18:43:13,182 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 18:43:13,184 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 18:43:13,185 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 18:43:13,185 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 18:43:13,186 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 18:43:13,187 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 18:43:13,188 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 18:43:13,189 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 18:43:13,190 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 18:43:13,190 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 18:43:13,191 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 18:43:13,191 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 18:43:13,191 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 18:43:13,192 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 18:43:13,193 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 18:43:13,193 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-07 18:43:13,209 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 18:43:13,209 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 18:43:13,210 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 18:43:13,210 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 18:43:13,210 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 18:43:13,211 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 18:43:13,211 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-07 18:43:13,211 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 18:43:13,211 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 18:43:13,211 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 18:43:13,212 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 18:43:13,212 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 18:43:13,212 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 18:43:13,213 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 18:43:13,213 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 18:43:13,213 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 18:43:13,214 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 18:43:13,214 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 18:43:13,214 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 18:43:13,214 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 18:43:13,214 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 18:43:13,215 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 18:43:13,215 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 18:43:13,215 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 18:43:13,215 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 18:43:13,216 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 18:43:13,216 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 18:43:13,216 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 18:43:13,216 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 18:43:13,216 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 18:43:13,217 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 18:43:13,217 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 18:43:13,217 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 18:43:13,217 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 18:43:13,217 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 18:43:13,263 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 18:43:13,290 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 18:43:13,295 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 18:43:13,296 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 18:43:13,297 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 18:43:13,298 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label09_true-unreach-call_false-termination.c [2018-11-07 18:43:13,372 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/879d95d01/e163b26360c148c8aeea8b5a64a19f66/FLAG9b9eec83f [2018-11-07 18:43:13,953 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 18:43:13,954 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label09_true-unreach-call_false-termination.c [2018-11-07 18:43:13,975 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/879d95d01/e163b26360c148c8aeea8b5a64a19f66/FLAG9b9eec83f [2018-11-07 18:43:13,992 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/879d95d01/e163b26360c148c8aeea8b5a64a19f66 [2018-11-07 18:43:14,004 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 18:43:14,007 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 18:43:14,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 18:43:14,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 18:43:14,015 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 18:43:14,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:43:13" (1/1) ... [2018-11-07 18:43:14,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@266324fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:43:14, skipping insertion in model container [2018-11-07 18:43:14,021 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:43:13" (1/1) ... [2018-11-07 18:43:14,032 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 18:43:14,104 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 18:43:14,630 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 18:43:14,638 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 18:43:14,799 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 18:43:14,823 INFO L193 MainTranslator]: Completed translation [2018-11-07 18:43:14,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:43:14 WrapperNode [2018-11-07 18:43:14,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 18:43:14,826 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 18:43:14,826 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 18:43:14,826 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 18:43:14,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:43:14" (1/1) ... [2018-11-07 18:43:14,866 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:43:14" (1/1) ... [2018-11-07 18:43:14,966 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 18:43:14,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 18:43:14,967 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 18:43:14,967 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 18:43:14,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:43:14" (1/1) ... [2018-11-07 18:43:14,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:43:14" (1/1) ... [2018-11-07 18:43:14,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:43:14" (1/1) ... [2018-11-07 18:43:14,989 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:43:14" (1/1) ... [2018-11-07 18:43:15,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:43:14" (1/1) ... [2018-11-07 18:43:15,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:43:14" (1/1) ... [2018-11-07 18:43:15,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:43:14" (1/1) ... [2018-11-07 18:43:15,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 18:43:15,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 18:43:15,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 18:43:15,065 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 18:43:15,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:43:14" (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 18:43:15,122 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 18:43:15,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 18:43:15,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 18:43:15,123 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 18:43:15,123 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 18:43:15,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 18:43:15,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 18:43:15,124 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 18:43:15,124 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 18:43:18,279 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 18:43:18,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:43:18 BoogieIcfgContainer [2018-11-07 18:43:18,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 18:43:18,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 18:43:18,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 18:43:18,290 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 18:43:18,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:43:13" (1/3) ... [2018-11-07 18:43:18,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7374c61e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:43:18, skipping insertion in model container [2018-11-07 18:43:18,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:43:14" (2/3) ... [2018-11-07 18:43:18,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7374c61e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:43:18, skipping insertion in model container [2018-11-07 18:43:18,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:43:18" (3/3) ... [2018-11-07 18:43:18,298 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label09_true-unreach-call_false-termination.c [2018-11-07 18:43:18,308 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 18:43:18,318 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 18:43:18,336 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 18:43:18,379 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 18:43:18,380 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 18:43:18,380 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 18:43:18,380 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 18:43:18,380 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 18:43:18,381 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 18:43:18,381 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 18:43:18,381 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 18:43:18,412 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-07 18:43:18,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-07 18:43:18,426 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:43:18,428 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] [2018-11-07 18:43:18,430 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:43:18,436 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:43:18,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1669527864, now seen corresponding path program 1 times [2018-11-07 18:43:18,440 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:43:18,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:43:18,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:43:18,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:43:18,491 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:43:18,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:43:19,093 WARN L179 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 18:43:19,219 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 18:43:19,222 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:43:19,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 18:43:19,223 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:43:19,229 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 18:43:19,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 18:43:19,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:43:19,251 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-07 18:43:20,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:43:20,995 INFO L93 Difference]: Finished difference Result 627 states and 1072 transitions. [2018-11-07 18:43:20,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 18:43:20,998 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2018-11-07 18:43:20,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:43:21,017 INFO L225 Difference]: With dead ends: 627 [2018-11-07 18:43:21,017 INFO L226 Difference]: Without dead ends: 388 [2018-11-07 18:43:21,024 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:43:21,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2018-11-07 18:43:21,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 383. [2018-11-07 18:43:21,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-11-07 18:43:21,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 619 transitions. [2018-11-07 18:43:21,101 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 619 transitions. Word has length 128 [2018-11-07 18:43:21,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:43:21,102 INFO L480 AbstractCegarLoop]: Abstraction has 383 states and 619 transitions. [2018-11-07 18:43:21,103 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 18:43:21,103 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 619 transitions. [2018-11-07 18:43:21,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-07 18:43:21,109 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:43:21,110 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-07 18:43:21,110 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:43:21,110 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:43:21,111 INFO L82 PathProgramCache]: Analyzing trace with hash -91961275, now seen corresponding path program 1 times [2018-11-07 18:43:21,111 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:43:21,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:43:21,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:43:21,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:43:21,113 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:43:21,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:43:21,532 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:43:21,533 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:43:21,533 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 18:43:21,533 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:43:21,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 18:43:21,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 18:43:21,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-07 18:43:21,536 INFO L87 Difference]: Start difference. First operand 383 states and 619 transitions. Second operand 5 states. [2018-11-07 18:43:23,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:43:23,277 INFO L93 Difference]: Finished difference Result 905 states and 1519 transitions. [2018-11-07 18:43:23,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 18:43:23,277 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 137 [2018-11-07 18:43:23,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:43:23,282 INFO L225 Difference]: With dead ends: 905 [2018-11-07 18:43:23,282 INFO L226 Difference]: Without dead ends: 382 [2018-11-07 18:43:23,289 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-07 18:43:23,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-11-07 18:43:23,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2018-11-07 18:43:23,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-11-07 18:43:23,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 613 transitions. [2018-11-07 18:43:23,318 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 613 transitions. Word has length 137 [2018-11-07 18:43:23,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:43:23,318 INFO L480 AbstractCegarLoop]: Abstraction has 382 states and 613 transitions. [2018-11-07 18:43:23,318 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 18:43:23,319 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 613 transitions. [2018-11-07 18:43:23,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-07 18:43:23,322 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:43:23,323 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] [2018-11-07 18:43:23,323 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:43:23,323 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:43:23,323 INFO L82 PathProgramCache]: Analyzing trace with hash -2004319935, now seen corresponding path program 1 times [2018-11-07 18:43:23,324 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:43:23,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:43:23,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:43:23,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:43:23,325 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:43:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:43:23,546 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-11-07 18:43:23,598 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 18:43:23,598 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:43:23,598 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 18:43:23,599 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:43:23,600 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 18:43:23,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 18:43:23,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 18:43:23,601 INFO L87 Difference]: Start difference. First operand 382 states and 613 transitions. Second operand 6 states. [2018-11-07 18:43:26,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:43:26,261 INFO L93 Difference]: Finished difference Result 1241 states and 2101 transitions. [2018-11-07 18:43:26,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-07 18:43:26,263 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 139 [2018-11-07 18:43:26,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:43:26,276 INFO L225 Difference]: With dead ends: 1241 [2018-11-07 18:43:26,276 INFO L226 Difference]: Without dead ends: 865 [2018-11-07 18:43:26,281 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 18:43:26,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2018-11-07 18:43:26,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 818. [2018-11-07 18:43:26,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 818 states. [2018-11-07 18:43:26,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1267 transitions. [2018-11-07 18:43:26,374 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1267 transitions. Word has length 139 [2018-11-07 18:43:26,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:43:26,374 INFO L480 AbstractCegarLoop]: Abstraction has 818 states and 1267 transitions. [2018-11-07 18:43:26,374 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 18:43:26,374 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1267 transitions. [2018-11-07 18:43:26,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-07 18:43:26,380 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:43:26,380 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:43:26,381 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:43:26,381 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:43:26,381 INFO L82 PathProgramCache]: Analyzing trace with hash -430858735, now seen corresponding path program 1 times [2018-11-07 18:43:26,382 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:43:26,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:43:26,383 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:43:26,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:43:26,383 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:43:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:43:26,800 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:43:26,801 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:43:26,801 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-07 18:43:26,801 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:43:26,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-07 18:43:26,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-07 18:43:26,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-07 18:43:26,802 INFO L87 Difference]: Start difference. First operand 818 states and 1267 transitions. Second operand 7 states. [2018-11-07 18:43:30,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:43:30,636 INFO L93 Difference]: Finished difference Result 2617 states and 4252 transitions. [2018-11-07 18:43:30,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-07 18:43:30,637 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 142 [2018-11-07 18:43:30,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:43:30,651 INFO L225 Difference]: With dead ends: 2617 [2018-11-07 18:43:30,651 INFO L226 Difference]: Without dead ends: 1805 [2018-11-07 18:43:30,657 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-11-07 18:43:30,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1805 states. [2018-11-07 18:43:30,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1805 to 1800. [2018-11-07 18:43:30,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1800 states. [2018-11-07 18:43:30,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1800 states to 1800 states and 2733 transitions. [2018-11-07 18:43:30,717 INFO L78 Accepts]: Start accepts. Automaton has 1800 states and 2733 transitions. Word has length 142 [2018-11-07 18:43:30,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:43:30,718 INFO L480 AbstractCegarLoop]: Abstraction has 1800 states and 2733 transitions. [2018-11-07 18:43:30,718 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-07 18:43:30,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1800 states and 2733 transitions. [2018-11-07 18:43:30,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-07 18:43:30,725 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:43:30,726 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:43:30,726 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:43:30,726 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:43:30,727 INFO L82 PathProgramCache]: Analyzing trace with hash 1196711489, now seen corresponding path program 1 times [2018-11-07 18:43:30,727 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:43:30,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:43:30,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:43:30,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:43:30,728 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:43:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:43:30,964 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 18:43:31,173 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:43:31,173 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:43:31,174 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 18:43:31,174 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:43:31,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 18:43:31,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 18:43:31,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 18:43:31,175 INFO L87 Difference]: Start difference. First operand 1800 states and 2733 transitions. Second operand 6 states. [2018-11-07 18:43:32,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:43:32,988 INFO L93 Difference]: Finished difference Result 4620 states and 7211 transitions. [2018-11-07 18:43:32,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 18:43:32,989 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 150 [2018-11-07 18:43:32,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:43:33,009 INFO L225 Difference]: With dead ends: 4620 [2018-11-07 18:43:33,010 INFO L226 Difference]: Without dead ends: 2826 [2018-11-07 18:43:33,019 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 18:43:33,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2826 states. [2018-11-07 18:43:33,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2826 to 2779. [2018-11-07 18:43:33,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2779 states. [2018-11-07 18:43:33,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2779 states and 4070 transitions. [2018-11-07 18:43:33,132 INFO L78 Accepts]: Start accepts. Automaton has 2779 states and 4070 transitions. Word has length 150 [2018-11-07 18:43:33,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:43:33,132 INFO L480 AbstractCegarLoop]: Abstraction has 2779 states and 4070 transitions. [2018-11-07 18:43:33,132 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 18:43:33,133 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 4070 transitions. [2018-11-07 18:43:33,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-07 18:43:33,144 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:43:33,145 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:43:33,145 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:43:33,145 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:43:33,146 INFO L82 PathProgramCache]: Analyzing trace with hash 443735674, now seen corresponding path program 1 times [2018-11-07 18:43:33,146 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:43:33,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:43:33,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:43:33,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:43:33,147 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:43:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:43:33,533 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:43:33,534 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:43:33,534 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 18:43:33,534 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:43:33,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 18:43:33,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 18:43:33,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-07 18:43:33,535 INFO L87 Difference]: Start difference. First operand 2779 states and 4070 transitions. Second operand 5 states. [2018-11-07 18:43:34,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:43:34,414 INFO L93 Difference]: Finished difference Result 5671 states and 8370 transitions. [2018-11-07 18:43:34,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 18:43:34,414 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 155 [2018-11-07 18:43:34,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:43:34,431 INFO L225 Difference]: With dead ends: 5671 [2018-11-07 18:43:34,432 INFO L226 Difference]: Without dead ends: 2750 [2018-11-07 18:43:34,442 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 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 18:43:34,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2750 states. [2018-11-07 18:43:34,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2750 to 2750. [2018-11-07 18:43:34,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2750 states. [2018-11-07 18:43:34,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2750 states to 2750 states and 3975 transitions. [2018-11-07 18:43:34,522 INFO L78 Accepts]: Start accepts. Automaton has 2750 states and 3975 transitions. Word has length 155 [2018-11-07 18:43:34,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:43:34,522 INFO L480 AbstractCegarLoop]: Abstraction has 2750 states and 3975 transitions. [2018-11-07 18:43:34,522 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 18:43:34,522 INFO L276 IsEmpty]: Start isEmpty. Operand 2750 states and 3975 transitions. [2018-11-07 18:43:34,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-07 18:43:34,533 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:43:34,534 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:43:34,534 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:43:34,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:43:34,538 INFO L82 PathProgramCache]: Analyzing trace with hash -939036357, now seen corresponding path program 1 times [2018-11-07 18:43:34,538 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:43:34,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:43:34,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:43:34,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:43:34,539 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:43:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:43:34,774 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 18:43:35,032 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-07 18:43:35,032 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:43:35,032 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:43:35,033 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 165 with the following transitions: [2018-11-07 18:43:35,036 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [83], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [695], [697], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:43:35,086 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:43:35,086 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:43:35,869 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:43:35,871 INFO L272 AbstractInterpreter]: Visited 129 different actions 129 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-11-07 18:43:35,913 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:43:35,914 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:43:36,532 INFO L227 lantSequenceWeakener]: Weakened 142 states. On average, predicates are now at 81.37% of their original sizes. [2018-11-07 18:43:36,532 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:43:37,822 INFO L415 sIntCurrentIteration]: We unified 163 AI predicates to 163 [2018-11-07 18:43:37,823 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:43:37,824 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:43:37,824 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [5] total 18 [2018-11-07 18:43:37,824 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:43:37,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-07 18:43:37,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-07 18:43:37,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2018-11-07 18:43:37,826 INFO L87 Difference]: Start difference. First operand 2750 states and 3975 transitions. Second operand 15 states. [2018-11-07 18:43:55,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:43:55,210 INFO L93 Difference]: Finished difference Result 5792 states and 8388 transitions. [2018-11-07 18:43:55,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-07 18:43:55,210 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 164 [2018-11-07 18:43:55,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:43:55,226 INFO L225 Difference]: With dead ends: 5792 [2018-11-07 18:43:55,227 INFO L226 Difference]: Without dead ends: 3048 [2018-11-07 18:43:55,236 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 176 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=207, Invalid=549, Unknown=0, NotChecked=0, Total=756 [2018-11-07 18:43:55,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3048 states. [2018-11-07 18:43:55,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3048 to 2895. [2018-11-07 18:43:55,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2895 states. [2018-11-07 18:43:55,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2895 states to 2895 states and 4128 transitions. [2018-11-07 18:43:55,316 INFO L78 Accepts]: Start accepts. Automaton has 2895 states and 4128 transitions. Word has length 164 [2018-11-07 18:43:55,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:43:55,316 INFO L480 AbstractCegarLoop]: Abstraction has 2895 states and 4128 transitions. [2018-11-07 18:43:55,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-07 18:43:55,316 INFO L276 IsEmpty]: Start isEmpty. Operand 2895 states and 4128 transitions. [2018-11-07 18:43:55,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-07 18:43:55,328 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:43:55,328 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-11-07 18:43:55,328 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:43:55,329 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:43:55,329 INFO L82 PathProgramCache]: Analyzing trace with hash -1140751716, now seen corresponding path program 1 times [2018-11-07 18:43:55,329 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:43:55,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:43:55,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:43:55,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:43:55,331 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:43:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:43:55,574 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 50 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-07 18:43:55,575 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:43:55,575 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:43:55,575 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 175 with the following transitions: [2018-11-07 18:43:55,576 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [13], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [83], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [695], [697], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:43:55,583 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:43:55,583 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:43:56,038 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:43:56,038 INFO L272 AbstractInterpreter]: Visited 133 different actions 262 times. Merged at 5 different actions 7 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-07 18:43:56,077 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:43:56,077 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:43:56,734 INFO L227 lantSequenceWeakener]: Weakened 86 states. On average, predicates are now at 81.91% of their original sizes. [2018-11-07 18:43:56,734 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:43:57,806 INFO L415 sIntCurrentIteration]: We unified 173 AI predicates to 173 [2018-11-07 18:43:57,806 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:43:57,806 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:43:57,806 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [6] total 24 [2018-11-07 18:43:57,807 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:43:57,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-07 18:43:57,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-07 18:43:57,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=291, Unknown=0, NotChecked=0, Total=380 [2018-11-07 18:43:57,808 INFO L87 Difference]: Start difference. First operand 2895 states and 4128 transitions. Second operand 20 states. [2018-11-07 18:44:15,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:44:15,609 INFO L93 Difference]: Finished difference Result 6540 states and 9208 transitions. [2018-11-07 18:44:15,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-11-07 18:44:15,609 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 174 [2018-11-07 18:44:15,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:44:15,625 INFO L225 Difference]: With dead ends: 6540 [2018-11-07 18:44:15,626 INFO L226 Difference]: Without dead ends: 3651 [2018-11-07 18:44:15,634 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 188 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=272, Invalid=918, Unknown=0, NotChecked=0, Total=1190 [2018-11-07 18:44:15,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3651 states. [2018-11-07 18:44:15,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3651 to 3496. [2018-11-07 18:44:15,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3496 states. [2018-11-07 18:44:15,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3496 states to 3496 states and 4787 transitions. [2018-11-07 18:44:15,728 INFO L78 Accepts]: Start accepts. Automaton has 3496 states and 4787 transitions. Word has length 174 [2018-11-07 18:44:15,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:44:15,728 INFO L480 AbstractCegarLoop]: Abstraction has 3496 states and 4787 transitions. [2018-11-07 18:44:15,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-07 18:44:15,728 INFO L276 IsEmpty]: Start isEmpty. Operand 3496 states and 4787 transitions. [2018-11-07 18:44:15,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-07 18:44:15,740 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:44:15,741 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:44:15,741 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:44:15,741 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:44:15,741 INFO L82 PathProgramCache]: Analyzing trace with hash 2045706540, now seen corresponding path program 1 times [2018-11-07 18:44:15,741 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:44:15,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:44:15,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:44:15,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:44:15,743 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:44:15,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:44:15,957 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 59 proven. 25 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 18:44:15,958 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:44:15,958 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:44:15,958 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 191 with the following transitions: [2018-11-07 18:44:15,958 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [695], [697], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:44:15,964 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:44:15,964 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:44:16,536 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:44:16,536 INFO L272 AbstractInterpreter]: Visited 133 different actions 393 times. Merged at 7 different actions 16 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-07 18:44:16,546 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:44:16,546 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:44:16,805 INFO L227 lantSequenceWeakener]: Weakened 187 states. On average, predicates are now at 81.07% of their original sizes. [2018-11-07 18:44:16,806 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:44:16,911 INFO L415 sIntCurrentIteration]: We unified 189 AI predicates to 189 [2018-11-07 18:44:16,911 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:44:16,911 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:44:16,911 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [10] total 20 [2018-11-07 18:44:16,912 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:44:16,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-07 18:44:16,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-07 18:44:16,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-11-07 18:44:16,913 INFO L87 Difference]: Start difference. First operand 3496 states and 4787 transitions. Second operand 12 states. [2018-11-07 18:44:25,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:44:25,330 INFO L93 Difference]: Finished difference Result 8791 states and 12415 transitions. [2018-11-07 18:44:25,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-07 18:44:25,331 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 190 [2018-11-07 18:44:25,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:44:25,349 INFO L225 Difference]: With dead ends: 8791 [2018-11-07 18:44:25,349 INFO L226 Difference]: Without dead ends: 5598 [2018-11-07 18:44:25,361 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 201 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=421, Unknown=0, NotChecked=0, Total=552 [2018-11-07 18:44:25,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5598 states. [2018-11-07 18:44:25,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5598 to 5581. [2018-11-07 18:44:25,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5581 states. [2018-11-07 18:44:25,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5581 states to 5581 states and 7426 transitions. [2018-11-07 18:44:25,515 INFO L78 Accepts]: Start accepts. Automaton has 5581 states and 7426 transitions. Word has length 190 [2018-11-07 18:44:25,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:44:25,515 INFO L480 AbstractCegarLoop]: Abstraction has 5581 states and 7426 transitions. [2018-11-07 18:44:25,515 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-07 18:44:25,516 INFO L276 IsEmpty]: Start isEmpty. Operand 5581 states and 7426 transitions. [2018-11-07 18:44:25,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-07 18:44:25,535 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:44:25,535 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1] [2018-11-07 18:44:25,535 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:44:25,536 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:44:25,536 INFO L82 PathProgramCache]: Analyzing trace with hash 577916684, now seen corresponding path program 1 times [2018-11-07 18:44:25,536 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:44:25,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:44:25,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:44:25,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:44:25,537 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:44:25,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:44:25,840 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-11-07 18:44:26,102 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 94 proven. 42 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-07 18:44:26,103 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:44:26,103 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:44:26,103 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 202 with the following transitions: [2018-11-07 18:44:26,103 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [83], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [695], [697], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:44:26,107 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:44:26,107 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:44:26,717 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 18:44:26,717 INFO L272 AbstractInterpreter]: Visited 135 different actions 403 times. Merged at 8 different actions 22 times. Never widened. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-07 18:44:26,731 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:44:26,732 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 18:44:26,732 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:44:26,732 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 18:44:26,746 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:44:26,747 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 18:44:27,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:44:27,244 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 18:44:27,483 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 123 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-07 18:44:27,484 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 18:44:27,841 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 109 proven. 10 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-07 18:44:27,862 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 18:44:27,862 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-11-07 18:44:27,862 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 18:44:27,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-07 18:44:27,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-07 18:44:27,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2018-11-07 18:44:27,865 INFO L87 Difference]: Start difference. First operand 5581 states and 7426 transitions. Second operand 15 states. [2018-11-07 18:44:32,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:44:32,426 INFO L93 Difference]: Finished difference Result 13871 states and 19194 transitions. [2018-11-07 18:44:32,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-07 18:44:32,427 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 201 [2018-11-07 18:44:32,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:44:32,427 INFO L225 Difference]: With dead ends: 13871 [2018-11-07 18:44:32,427 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 18:44:32,481 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 409 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=235, Invalid=577, Unknown=0, NotChecked=0, Total=812 [2018-11-07 18:44:32,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 18:44:32,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 18:44:32,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 18:44:32,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 18:44:32,482 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 201 [2018-11-07 18:44:32,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:44:32,483 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 18:44:32,483 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-07 18:44:32,483 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 18:44:32,483 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 18:44:32,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 18:44:32,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:44:32,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:44:33,025 WARN L179 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 175 [2018-11-07 18:44:33,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:44:33,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:44:33,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:44:33,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:44:33,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:44:33,200 WARN L179 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 168 [2018-11-07 18:44:33,449 WARN L179 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 49 [2018-11-07 18:44:34,071 WARN L179 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 77 [2018-11-07 18:44:38,407 WARN L179 SmtUtils]: Spent 4.32 s on a formula simplification. DAG size of input: 325 DAG size of output: 96 [2018-11-07 18:44:38,921 WARN L179 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 88 [2018-11-07 18:44:39,549 WARN L179 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 88 [2018-11-07 18:44:39,552 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 18:44:39,553 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|)) [2018-11-07 18:44:39,553 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 18:44:39,553 INFO L425 ceAbstractionStarter]: For program point L564(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,553 INFO L425 ceAbstractionStarter]: For program point L531(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,553 INFO L425 ceAbstractionStarter]: For program point L498(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,553 INFO L425 ceAbstractionStarter]: For program point L465(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,553 INFO L425 ceAbstractionStarter]: For program point L432(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,553 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-07 18:44:39,554 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-07 18:44:39,554 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-07 18:44:39,554 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-07 18:44:39,554 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-07 18:44:39,554 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-07 18:44:39,554 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-07 18:44:39,554 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-07 18:44:39,555 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-07 18:44:39,555 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-07 18:44:39,555 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-07 18:44:39,555 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-07 18:44:39,555 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-07 18:44:39,555 INFO L425 ceAbstractionStarter]: For program point L567(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,555 INFO L425 ceAbstractionStarter]: For program point L501(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,555 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,556 INFO L425 ceAbstractionStarter]: For program point L468(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,556 INFO L425 ceAbstractionStarter]: For program point L435(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,556 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-07 18:44:39,556 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-07 18:44:39,556 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-07 18:44:39,556 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-07 18:44:39,556 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-07 18:44:39,556 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-07 18:44:39,557 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-07 18:44:39,557 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-07 18:44:39,557 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-07 18:44:39,557 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-07 18:44:39,557 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-07 18:44:39,557 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-07 18:44:39,557 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 535) no Hoare annotation was computed. [2018-11-07 18:44:39,557 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-07 18:44:39,558 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-07 18:44:39,558 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-07 18:44:39,558 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-07 18:44:39,558 INFO L425 ceAbstractionStarter]: For program point L570(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,558 INFO L425 ceAbstractionStarter]: For program point L537(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,558 INFO L425 ceAbstractionStarter]: For program point L504(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,558 INFO L425 ceAbstractionStarter]: For program point L471(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,558 INFO L425 ceAbstractionStarter]: For program point L438(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,559 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-07 18:44:39,559 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-07 18:44:39,559 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-07 18:44:39,559 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-07 18:44:39,559 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-07 18:44:39,559 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-07 18:44:39,559 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-07 18:44:39,560 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-07 18:44:39,560 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-07 18:44:39,560 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-07 18:44:39,560 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-07 18:44:39,560 INFO L425 ceAbstractionStarter]: For program point L573(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,560 INFO L425 ceAbstractionStarter]: For program point L540(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,560 INFO L425 ceAbstractionStarter]: For program point L507(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,560 INFO L425 ceAbstractionStarter]: For program point L474(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,561 INFO L425 ceAbstractionStarter]: For program point L441(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,561 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-07 18:44:39,561 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-07 18:44:39,561 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-07 18:44:39,561 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-07 18:44:39,561 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-07 18:44:39,561 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-07 18:44:39,561 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-07 18:44:39,561 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-07 18:44:39,562 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-07 18:44:39,562 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-07 18:44:39,562 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-07 18:44:39,562 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-07 18:44:39,562 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-07 18:44:39,562 INFO L425 ceAbstractionStarter]: For program point L576(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,562 INFO L425 ceAbstractionStarter]: For program point L543(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,562 INFO L425 ceAbstractionStarter]: For program point L510(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,563 INFO L425 ceAbstractionStarter]: For program point L477(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,563 INFO L425 ceAbstractionStarter]: For program point L444(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,563 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-07 18:44:39,563 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-07 18:44:39,563 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-07 18:44:39,563 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-07 18:44:39,563 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-07 18:44:39,563 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-07 18:44:39,564 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-07 18:44:39,564 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-07 18:44:39,564 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-07 18:44:39,564 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-07 18:44:39,564 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-07 18:44:39,564 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-07 18:44:39,564 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-07 18:44:39,564 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-07 18:44:39,564 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-07 18:44:39,564 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-07 18:44:39,565 INFO L425 ceAbstractionStarter]: For program point L579(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,565 INFO L425 ceAbstractionStarter]: For program point L546(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,565 INFO L425 ceAbstractionStarter]: For program point L513(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,565 INFO L425 ceAbstractionStarter]: For program point L480(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,565 INFO L425 ceAbstractionStarter]: For program point L447(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,565 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-07 18:44:39,565 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-07 18:44:39,565 INFO L425 ceAbstractionStarter]: For program point L414-1(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,565 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-07 18:44:39,565 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-07 18:44:39,565 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-07 18:44:39,565 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,565 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,565 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-07 18:44:39,566 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-07 18:44:39,566 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-07 18:44:39,566 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-07 18:44:39,566 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-07 18:44:39,566 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-07 18:44:39,566 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-07 18:44:39,566 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-07 18:44:39,566 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-07 18:44:39,566 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-07 18:44:39,566 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-07 18:44:39,566 INFO L425 ceAbstractionStarter]: For program point L582(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,566 INFO L425 ceAbstractionStarter]: For program point L549(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,566 INFO L425 ceAbstractionStarter]: For program point L516(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,566 INFO L425 ceAbstractionStarter]: For program point L483(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,567 INFO L425 ceAbstractionStarter]: For program point L450(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,567 INFO L425 ceAbstractionStarter]: For program point L417(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,567 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-07 18:44:39,567 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-07 18:44:39,567 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-07 18:44:39,567 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-07 18:44:39,567 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-07 18:44:39,567 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-07 18:44:39,567 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-07 18:44:39,567 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-07 18:44:39,567 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-07 18:44:39,567 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-07 18:44:39,568 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-07 18:44:39,568 INFO L425 ceAbstractionStarter]: For program point L585(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,568 INFO L425 ceAbstractionStarter]: For program point L552(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,568 INFO L425 ceAbstractionStarter]: For program point L519(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,568 INFO L425 ceAbstractionStarter]: For program point L486(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,568 INFO L425 ceAbstractionStarter]: For program point L453(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,568 INFO L425 ceAbstractionStarter]: For program point L420(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,568 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-07 18:44:39,568 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-07 18:44:39,568 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-07 18:44:39,568 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-07 18:44:39,568 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-07 18:44:39,569 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-07 18:44:39,569 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-07 18:44:39,569 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-07 18:44:39,569 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-07 18:44:39,569 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-07 18:44:39,569 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-07 18:44:39,569 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-07 18:44:39,569 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-07 18:44:39,569 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-07 18:44:39,569 INFO L425 ceAbstractionStarter]: For program point L588(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,570 INFO L425 ceAbstractionStarter]: For program point L555(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,570 INFO L425 ceAbstractionStarter]: For program point L522(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,570 INFO L425 ceAbstractionStarter]: For program point L489(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,570 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse8 (= 1 |old(~a25~0)|))) (let ((.cse27 (= ~a25~0 1)) (.cse10 (= 10 |old(~a28~0)|)) (.cse18 (not .cse8)) (.cse2 (not (= 1 ~a21~0))) (.cse19 (not (= 1 |old(~a19~0)|))) (.cse9 (< 1 |old(~a25~0)|)) (.cse3 (not (= 0 |old(~a11~0)|)))) (let ((.cse20 (not (= 8 |old(~a17~0)|))) (.cse21 (= 1 ~a25~0)) (.cse0 (< 1 |old(~a19~0)|)) (.cse6 (and (<= ~a25~0 1) (<= 0 ~a25~0))) (.cse4 (< |old(~a25~0)| 0)) (.cse5 (< |old(~a28~0)| 7)) (.cse7 (< |old(~a19~0)| 0)) (.cse11 (< 11 |old(~a28~0)|)) (.cse1 (< 6 |calculate_output_#in~input|)) (.cse14 (and (or .cse2 (not .cse10) .cse18 .cse3 (not (= 0 |old(~a19~0)|))) (or .cse2 .cse19 .cse9 .cse3))) (.cse12 (not (= |old(~a17~0)| 8))) (.cse13 (< |calculate_output_#in~input| 1)) (.cse26 (not .cse27)) (.cse25 (= |old(~a17~0)| |old(~a28~0)|)) (.cse22 (= |old(~a11~0)| |old(~a19~0)|)) (.cse15 (= |old(~a28~0)| ~a28~0)) (.cse16 (= |old(~a19~0)| ~a19~0)) (.cse17 (= ~a11~0 |old(~a11~0)|)) (.cse23 (= 7 ~a17~0)) (.cse24 (not (= 7 |old(~a17~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (or .cse1 .cse14 .cse4 .cse5 .cse6 .cse11 .cse12 .cse13) (or .cse2 (and .cse15 .cse16 .cse17 (= ~a17~0 |old(~a17~0)|)) .cse12) (or .cse2 .cse18 .cse19 .cse20 .cse21 (not (= 9 |old(~a28~0)|))) (or .cse2 .cse21 .cse18 .cse19 .cse22 .cse20) (or .cse2 (not (= 7 |old(~a28~0)|)) (and .cse15 (= 1 ~a11~0) .cse23 .cse21 (= 1 ~a19~0)) .cse18 .cse19 (not (= 1 |old(~a11~0)|)) .cse24) (or .cse0 .cse1 .cse2 .cse6 .cse3 .cse4 .cse5 .cse7 .cse9 .cse10 .cse25 .cse11 .cse12 .cse13) (or .cse2 .cse26 .cse12 .cse8) (or .cse1 .cse14 (or .cse27 (= ~a19~0 1)) .cse12 .cse13) (or .cse2 (and .cse15 .cse16 .cse17 .cse26 .cse23) .cse25 .cse8 .cse24) (or .cse2 .cse10 .cse25 .cse22 (and .cse15 .cse16 .cse17 .cse23) .cse24))))) [2018-11-07 18:44:39,570 INFO L425 ceAbstractionStarter]: For program point L456(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,570 INFO L425 ceAbstractionStarter]: For program point L423(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,571 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-07 18:44:39,571 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-07 18:44:39,571 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-07 18:44:39,571 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-07 18:44:39,571 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-07 18:44:39,571 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-07 18:44:39,571 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-07 18:44:39,571 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-07 18:44:39,571 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-07 18:44:39,571 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-07 18:44:39,572 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-07 18:44:39,572 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-07 18:44:39,572 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-07 18:44:39,572 INFO L425 ceAbstractionStarter]: For program point L591(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,572 INFO L425 ceAbstractionStarter]: For program point L558(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,572 INFO L425 ceAbstractionStarter]: For program point L525(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,572 INFO L425 ceAbstractionStarter]: For program point L492(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,572 INFO L425 ceAbstractionStarter]: For program point L459(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,572 INFO L425 ceAbstractionStarter]: For program point L426(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,572 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-07 18:44:39,573 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-07 18:44:39,573 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-07 18:44:39,573 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-07 18:44:39,573 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-07 18:44:39,573 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-07 18:44:39,573 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-07 18:44:39,573 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-07 18:44:39,573 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-07 18:44:39,573 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-07 18:44:39,573 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-07 18:44:39,574 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-07 18:44:39,574 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-07 18:44:39,574 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-07 18:44:39,574 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-07 18:44:39,574 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 596) no Hoare annotation was computed. [2018-11-07 18:44:39,574 INFO L425 ceAbstractionStarter]: For program point L561(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,574 INFO L425 ceAbstractionStarter]: For program point L528(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,574 INFO L425 ceAbstractionStarter]: For program point L495(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,574 INFO L425 ceAbstractionStarter]: For program point L462(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,575 INFO L425 ceAbstractionStarter]: For program point L429(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:39,575 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-07 18:44:39,575 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-07 18:44:39,575 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-07 18:44:39,575 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-07 18:44:39,575 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-07 18:44:39,575 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-07 18:44:39,575 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-07 18:44:39,576 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-07 18:44:39,576 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-07 18:44:39,576 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-07 18:44:39,576 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-07 18:44:39,576 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-07 18:44:39,576 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-07 18:44:39,576 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-07 18:44:39,576 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-07 18:44:39,576 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-07 18:44:39,577 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-07 18:44:39,577 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-07 18:44:39,577 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-07 18:44:39,577 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 18:44:39,577 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~z~0 26) (= ~c~0 3) (= ~a21~0 1) (= ~f~0 6) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~y~0 25) (= ~e~0 5) (= ~x~0 24) (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a~0 1) (= ~a19~0 1) (= ~a28~0 7)) [2018-11-07 18:44:39,577 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 18:44:39,577 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 18:44:39,578 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= |old(~a11~0)| 0)) (not (= ~v~0 22)) (and (= ~a25~0 0) (= ~a19~0 1) (= ~a11~0 |old(~a11~0)|) (= |old(~a28~0)| ~a28~0) (= ~a17~0 8)) (not (= ~u~0 21)) (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 3 ~c~0)) (not (= |old(~a25~0)| 0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= 8 |old(~a17~0)|)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-11-07 18:44:39,578 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-07 18:44:39,578 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse0 (= 7 ~a28~0))) (let ((.cse1 (= 7 ~a17~0)) (.cse2 (not .cse0))) (or (= ~a17~0 |old(~a17~0)|) (not (= ~a21~0 1)) (not (= ~y~0 25)) (and .cse0 (= 1 ~a11~0) .cse1 (= 1 ~a25~0) (= 1 ~a19~0)) (and (not (= ~a25~0 1)) .cse1 .cse2) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= |old(~a11~0)| 0)) (and .cse1 .cse2 (not (= ~a19~0 ~a11~0)) (not (= ~a28~0 10))) (not (= ~z~0 26)) (not (= 0 |old(~a25~0)|)) (not (= 3 ~c~0)) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 8)) (not (= 6 ~f~0))))) [2018-11-07 18:44:39,578 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-07 18:44:39,578 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-07 18:44:39,579 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (= 7 ~a28~0))) (let ((.cse1 (= 7 ~a17~0)) (.cse2 (not .cse0))) (or (= ~a17~0 |old(~a17~0)|) (not (= ~a21~0 1)) (not (= ~y~0 25)) (and .cse0 (= 1 ~a11~0) .cse1 (= 1 ~a25~0) (= 1 ~a19~0)) (and (not (= ~a25~0 1)) .cse1 .cse2) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= |old(~a11~0)| 0)) (and .cse1 .cse2 (not (= ~a19~0 ~a11~0)) (not (= ~a28~0 10))) (not (= ~z~0 26)) (not (= 0 |old(~a25~0)|)) (not (= 3 ~c~0)) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 8)) (not (= 6 ~f~0))))) [2018-11-07 18:44:39,579 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-07 18:44:39,579 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-07 18:44:39,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 06:44:39 BoogieIcfgContainer [2018-11-07 18:44:39,600 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 18:44:39,601 INFO L168 Benchmark]: Toolchain (without parser) took 85596.34 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -705.3 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-11-07 18:44:39,606 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 18:44:39,606 INFO L168 Benchmark]: CACSL2BoogieTranslator took 816.21 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-07 18:44:39,610 INFO L168 Benchmark]: Boogie Procedure Inliner took 140.55 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 752.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -845.5 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. [2018-11-07 18:44:39,611 INFO L168 Benchmark]: Boogie Preprocessor took 97.94 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2018-11-07 18:44:39,612 INFO L168 Benchmark]: RCFGBuilder took 3214.94 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 103.5 MB). Peak memory consumption was 103.5 MB. Max. memory is 7.1 GB. [2018-11-07 18:44:39,612 INFO L168 Benchmark]: TraceAbstraction took 81318.35 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: -8.3 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-11-07 18:44:39,621 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 816.21 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 140.55 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 752.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -845.5 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.94 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3214.94 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 103.5 MB). Peak memory consumption was 103.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 81318.35 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: -8.3 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 535]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((((((((((a17 == \old(a17) || !(a21 == 1)) || !(y == 25)) || ((((7 == a28 && 1 == a11) && 7 == a17) && 1 == a25) && 1 == a19)) || ((!(a25 == 1) && 7 == a17) && !(7 == a28))) || !(1 == \old(a19))) || !(x == 24)) || !(e == 5)) || !(d == 4)) || !(21 == u)) || !(22 == v)) || !(\old(a11) == 0)) || (((7 == a17 && !(7 == a28)) && !(a19 == a11)) && !(a28 == 10))) || !(z == 26)) || !(0 == \old(a25))) || !(3 == c)) || !(23 == w)) || !(\old(a28) == 7)) || !(a == 1)) || !(\old(a17) == 8)) || !(6 == f) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 81.2s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 61.1s AutomataDifference, 0.0s DeadEndRemovalTime, 7.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1501 SDtfs, 11557 SDslu, 1954 SDs, 0 SdLazy, 12880 SolverSat, 2536 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.2s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1056 GetRequests, 914 SyntacticMatches, 6 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 659 ImplicationChecksByTransitivity, 6.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5581occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.5s AbstIntTime, 4 AbstIntIterations, 3 AbstIntStrong, 0.9968649658061425 AbsIntWeakeningRatio, 0.21714285714285714 AbsIntAvgWeakeningVarsNumRemoved, 21.76952380952381 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 429 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 178 PreInvPairs, 292 NumberOfFragments, 819 HoareAnnotationTreeSize, 178 FomulaSimplifications, 17701 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 11019 FormulaSimplificationTreeSizeReductionInter, 6.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 1781 NumberOfCodeBlocks, 1781 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1970 ConstructedInterpolants, 0 QuantifiedInterpolants, 1310748 SizeOfPredicates, 1 NumberOfNonLiveVariables, 552 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 608/699 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...