java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label55_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 06:11:02,228 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 06:11:02,230 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 06:11:02,247 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 06:11:02,247 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 06:11:02,248 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 06:11:02,250 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 06:11:02,252 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 06:11:02,263 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 06:11:02,264 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 06:11:02,265 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 06:11:02,266 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 06:11:02,267 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 06:11:02,268 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 06:11:02,270 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 06:11:02,271 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 06:11:02,273 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 06:11:02,276 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 06:11:02,281 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 06:11:02,282 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 06:11:02,285 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 06:11:02,286 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 06:11:02,291 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 06:11:02,291 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 06:11:02,291 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 06:11:02,294 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 06:11:02,296 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 06:11:02,297 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 06:11:02,299 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 06:11:02,301 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 06:11:02,301 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 06:11:02,302 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 06:11:02,302 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 06:11:02,302 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 06:11:02,304 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 06:11:02,305 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 06:11:02,305 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-27 06:11:02,333 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 06:11:02,335 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 06:11:02,336 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 06:11:02,337 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 06:11:02,337 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 06:11:02,337 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 06:11:02,337 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-27 06:11:02,338 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 06:11:02,338 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-27 06:11:02,338 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 06:11:02,338 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 06:11:02,338 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 06:11:02,339 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 06:11:02,339 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 06:11:02,340 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 06:11:02,340 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 06:11:02,343 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 06:11:02,344 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 06:11:02,344 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 06:11:02,344 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 06:11:02,344 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 06:11:02,344 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 06:11:02,345 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 06:11:02,345 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 06:11:02,345 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 06:11:02,345 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 06:11:02,345 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 06:11:02,346 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 06:11:02,346 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 06:11:02,346 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 06:11:02,346 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 06:11:02,346 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 06:11:02,346 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 06:11:02,349 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 06:11:02,349 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 06:11:02,349 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 06:11:02,411 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 06:11:02,424 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 06:11:02,428 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 06:11:02,429 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 06:11:02,430 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 06:11:02,431 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label55_true-unreach-call_false-termination.c [2018-10-27 06:11:02,495 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f9ff182ce/782ff58362c2433a826929461ba514de/FLAGcf97690ee [2018-10-27 06:11:03,050 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 06:11:03,051 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label55_true-unreach-call_false-termination.c [2018-10-27 06:11:03,073 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f9ff182ce/782ff58362c2433a826929461ba514de/FLAGcf97690ee [2018-10-27 06:11:03,095 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f9ff182ce/782ff58362c2433a826929461ba514de [2018-10-27 06:11:03,109 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 06:11:03,111 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 06:11:03,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 06:11:03,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 06:11:03,117 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 06:11:03,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:11:03" (1/1) ... [2018-10-27 06:11:03,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63879a50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:03, skipping insertion in model container [2018-10-27 06:11:03,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:11:03" (1/1) ... [2018-10-27 06:11:03,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 06:11:03,216 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 06:11:03,670 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:11:03,679 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 06:11:03,814 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:11:03,834 INFO L193 MainTranslator]: Completed translation [2018-10-27 06:11:03,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:03 WrapperNode [2018-10-27 06:11:03,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 06:11:03,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 06:11:03,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 06:11:03,836 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 06:11:03,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:03" (1/1) ... [2018-10-27 06:11:03,873 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:03" (1/1) ... [2018-10-27 06:11:04,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 06:11:04,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 06:11:04,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 06:11:04,043 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 06:11:04,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:03" (1/1) ... [2018-10-27 06:11:04,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:03" (1/1) ... [2018-10-27 06:11:04,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:03" (1/1) ... [2018-10-27 06:11:04,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:03" (1/1) ... [2018-10-27 06:11:04,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:03" (1/1) ... [2018-10-27 06:11:04,113 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:03" (1/1) ... [2018-10-27 06:11:04,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:03" (1/1) ... [2018-10-27 06:11:04,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 06:11:04,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 06:11:04,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 06:11:04,125 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 06:11:04,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 06:11:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 06:11:04,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 06:11:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 06:11:04,198 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 06:11:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 06:11:04,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 06:11:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 06:11:04,199 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 06:11:07,499 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 06:11:07,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:11:07 BoogieIcfgContainer [2018-10-27 06:11:07,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 06:11:07,501 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 06:11:07,501 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 06:11:07,505 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 06:11:07,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 06:11:03" (1/3) ... [2018-10-27 06:11:07,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@731724ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:11:07, skipping insertion in model container [2018-10-27 06:11:07,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:03" (2/3) ... [2018-10-27 06:11:07,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@731724ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:11:07, skipping insertion in model container [2018-10-27 06:11:07,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:11:07" (3/3) ... [2018-10-27 06:11:07,509 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label55_true-unreach-call_false-termination.c [2018-10-27 06:11:07,519 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 06:11:07,535 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 06:11:07,555 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 06:11:07,609 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 06:11:07,609 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 06:11:07,610 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 06:11:07,610 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 06:11:07,610 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 06:11:07,610 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 06:11:07,611 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 06:11:07,611 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 06:11:07,649 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-10-27 06:11:07,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-27 06:11:07,666 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:11:07,668 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] [2018-10-27 06:11:07,671 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:11:07,679 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:07,680 INFO L82 PathProgramCache]: Analyzing trace with hash 240629952, now seen corresponding path program 1 times [2018-10-27 06:11:07,683 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:11:07,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:07,744 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:11:07,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:07,744 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:11:07,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:11:08,345 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 06:11:08,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:11:08,437 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 06:11:08,438 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 06:11:08,439 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:11:08,445 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 06:11:08,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 06:11:08,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 06:11:08,464 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-10-27 06:11:09,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:11:09,849 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-10-27 06:11:09,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 06:11:09,851 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2018-10-27 06:11:09,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:11:09,871 INFO L225 Difference]: With dead ends: 550 [2018-10-27 06:11:09,871 INFO L226 Difference]: Without dead ends: 340 [2018-10-27 06:11:09,878 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 06:11:09,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-10-27 06:11:09,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-10-27 06:11:09,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-10-27 06:11:09,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 569 transitions. [2018-10-27 06:11:09,952 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 569 transitions. Word has length 118 [2018-10-27 06:11:09,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:11:09,953 INFO L481 AbstractCegarLoop]: Abstraction has 340 states and 569 transitions. [2018-10-27 06:11:09,954 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 06:11:09,954 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 569 transitions. [2018-10-27 06:11:09,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-10-27 06:11:09,962 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:11:09,963 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:11:09,963 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:11:09,963 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:09,964 INFO L82 PathProgramCache]: Analyzing trace with hash -617422281, now seen corresponding path program 1 times [2018-10-27 06:11:09,964 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:11:09,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:09,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:11:09,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:09,966 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:11:09,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:11:10,142 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:11:10,143 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 06:11:10,143 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 06:11:10,143 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:11:10,145 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 06:11:10,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 06:11:10,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 06:11:10,146 INFO L87 Difference]: Start difference. First operand 340 states and 569 transitions. Second operand 5 states. [2018-10-27 06:11:11,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:11:11,987 INFO L93 Difference]: Finished difference Result 1079 states and 1888 transitions. [2018-10-27 06:11:11,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 06:11:11,990 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 128 [2018-10-27 06:11:11,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:11:11,998 INFO L225 Difference]: With dead ends: 1079 [2018-10-27 06:11:11,999 INFO L226 Difference]: Without dead ends: 745 [2018-10-27 06:11:12,005 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-27 06:11:12,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2018-10-27 06:11:12,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 733. [2018-10-27 06:11:12,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2018-10-27 06:11:12,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1163 transitions. [2018-10-27 06:11:12,071 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1163 transitions. Word has length 128 [2018-10-27 06:11:12,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:11:12,071 INFO L481 AbstractCegarLoop]: Abstraction has 733 states and 1163 transitions. [2018-10-27 06:11:12,071 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 06:11:12,071 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1163 transitions. [2018-10-27 06:11:12,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-27 06:11:12,077 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:11:12,077 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] [2018-10-27 06:11:12,077 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:11:12,078 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:12,078 INFO L82 PathProgramCache]: Analyzing trace with hash 11496099, now seen corresponding path program 1 times [2018-10-27 06:11:12,078 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:11:12,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:12,079 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:11:12,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:12,080 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:11:12,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:11:12,733 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:11:12,733 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:11:12,734 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:11:12,735 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 139 with the following transitions: [2018-10-27 06:11:12,737 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [581], [583], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-27 06:11:12,785 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:11:12,786 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:11:13,523 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 06:11:13,526 INFO L272 AbstractInterpreter]: Visited 118 different actions 118 times. Never merged. Never widened. Never found a fixpoint. Largest state had 42 variables. [2018-10-27 06:11:13,571 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:13,571 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 06:11:14,107 INFO L227 lantSequenceWeakener]: Weakened 132 states. On average, predicates are now at 80.47% of their original sizes. [2018-10-27 06:11:14,107 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 06:11:14,377 INFO L415 sIntCurrentIteration]: We unified 137 AI predicates to 137 [2018-10-27 06:11:14,377 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 06:11:14,378 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 06:11:14,379 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2018-10-27 06:11:14,379 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:11:14,379 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 06:11:14,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 06:11:14,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 06:11:14,383 INFO L87 Difference]: Start difference. First operand 733 states and 1163 transitions. Second operand 6 states. [2018-10-27 06:11:21,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:11:21,771 INFO L93 Difference]: Finished difference Result 1598 states and 2531 transitions. [2018-10-27 06:11:21,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 06:11:21,772 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 138 [2018-10-27 06:11:21,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:11:21,777 INFO L225 Difference]: With dead ends: 1598 [2018-10-27 06:11:21,778 INFO L226 Difference]: Without dead ends: 871 [2018-10-27 06:11:21,780 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 138 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-27 06:11:21,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2018-10-27 06:11:21,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 869. [2018-10-27 06:11:21,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2018-10-27 06:11:21,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1308 transitions. [2018-10-27 06:11:21,813 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1308 transitions. Word has length 138 [2018-10-27 06:11:21,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:11:21,814 INFO L481 AbstractCegarLoop]: Abstraction has 869 states and 1308 transitions. [2018-10-27 06:11:21,814 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 06:11:21,814 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1308 transitions. [2018-10-27 06:11:21,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-27 06:11:21,818 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:11:21,818 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:11:21,819 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:11:21,819 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:21,819 INFO L82 PathProgramCache]: Analyzing trace with hash 1720247914, now seen corresponding path program 1 times [2018-10-27 06:11:21,820 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:11:21,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:21,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:11:21,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:21,821 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:11:21,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:11:22,290 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:11:22,290 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:11:22,291 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:11:22,291 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 141 with the following transitions: [2018-10-27 06:11:22,292 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [581], [583], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-27 06:11:22,302 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:11:22,302 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:11:22,603 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 06:11:22,603 INFO L272 AbstractInterpreter]: Visited 122 different actions 237 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-10-27 06:11:22,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:22,643 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 06:11:22,874 INFO L227 lantSequenceWeakener]: Weakened 137 states. On average, predicates are now at 81.93% of their original sizes. [2018-10-27 06:11:22,875 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 06:11:23,328 INFO L415 sIntCurrentIteration]: We unified 139 AI predicates to 139 [2018-10-27 06:11:23,328 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 06:11:23,328 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 06:11:23,329 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-10-27 06:11:23,329 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:11:23,330 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-27 06:11:23,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-27 06:11:23,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-27 06:11:23,330 INFO L87 Difference]: Start difference. First operand 869 states and 1308 transitions. Second operand 10 states. [2018-10-27 06:11:33,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:11:33,559 INFO L93 Difference]: Finished difference Result 2801 states and 4437 transitions. [2018-10-27 06:11:33,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-10-27 06:11:33,559 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 140 [2018-10-27 06:11:33,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:11:33,576 INFO L225 Difference]: With dead ends: 2801 [2018-10-27 06:11:33,576 INFO L226 Difference]: Without dead ends: 2074 [2018-10-27 06:11:33,581 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 149 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-10-27 06:11:33,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2074 states. [2018-10-27 06:11:33,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2074 to 2043. [2018-10-27 06:11:33,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2043 states. [2018-10-27 06:11:33,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2043 states to 2043 states and 2623 transitions. [2018-10-27 06:11:33,647 INFO L78 Accepts]: Start accepts. Automaton has 2043 states and 2623 transitions. Word has length 140 [2018-10-27 06:11:33,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:11:33,647 INFO L481 AbstractCegarLoop]: Abstraction has 2043 states and 2623 transitions. [2018-10-27 06:11:33,647 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-27 06:11:33,648 INFO L276 IsEmpty]: Start isEmpty. Operand 2043 states and 2623 transitions. [2018-10-27 06:11:33,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-27 06:11:33,653 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:11:33,653 INFO L375 BasicCegarLoop]: trace histogram [3, 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] [2018-10-27 06:11:33,654 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:11:33,654 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:33,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1488530374, now seen corresponding path program 1 times [2018-10-27 06:11:33,654 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:11:33,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:33,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:11:33,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:33,656 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:11:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:11:34,056 WARN L179 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-27 06:11:34,201 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:11:34,202 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:11:34,202 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:11:34,202 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 148 with the following transitions: [2018-10-27 06:11:34,203 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [581], [583], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-27 06:11:34,207 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:11:34,208 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:11:34,407 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 06:11:34,407 INFO L272 AbstractInterpreter]: Visited 122 different actions 238 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-10-27 06:11:34,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:34,413 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 06:11:34,606 INFO L227 lantSequenceWeakener]: Weakened 144 states. On average, predicates are now at 81.91% of their original sizes. [2018-10-27 06:11:34,606 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 06:11:34,867 INFO L415 sIntCurrentIteration]: We unified 146 AI predicates to 146 [2018-10-27 06:11:34,867 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 06:11:34,867 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 06:11:34,868 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-10-27 06:11:34,868 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:11:34,868 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-27 06:11:34,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-27 06:11:34,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-27 06:11:34,869 INFO L87 Difference]: Start difference. First operand 2043 states and 2623 transitions. Second operand 10 states. [2018-10-27 06:11:41,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:11:41,704 INFO L93 Difference]: Finished difference Result 4085 states and 5313 transitions. [2018-10-27 06:11:41,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-27 06:11:41,705 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 147 [2018-10-27 06:11:41,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:11:41,715 INFO L225 Difference]: With dead ends: 4085 [2018-10-27 06:11:41,716 INFO L226 Difference]: Without dead ends: 2184 [2018-10-27 06:11:41,722 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 154 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-10-27 06:11:41,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2184 states. [2018-10-27 06:11:41,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2184 to 2181. [2018-10-27 06:11:41,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2181 states. [2018-10-27 06:11:41,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 2181 states and 2777 transitions. [2018-10-27 06:11:41,778 INFO L78 Accepts]: Start accepts. Automaton has 2181 states and 2777 transitions. Word has length 147 [2018-10-27 06:11:41,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:11:41,778 INFO L481 AbstractCegarLoop]: Abstraction has 2181 states and 2777 transitions. [2018-10-27 06:11:41,778 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-27 06:11:41,778 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 2777 transitions. [2018-10-27 06:11:41,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-27 06:11:41,788 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:11:41,789 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:11:41,789 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:11:41,789 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:41,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1640342349, now seen corresponding path program 1 times [2018-10-27 06:11:41,790 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:11:41,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:41,791 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:11:41,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:41,791 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:11:41,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:11:41,949 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 44 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-27 06:11:41,949 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:11:41,949 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:11:41,950 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 160 with the following transitions: [2018-10-27 06:11:41,950 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [581], [583], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-27 06:11:41,954 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:11:41,955 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:11:42,316 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 06:11:42,316 INFO L272 AbstractInterpreter]: Visited 124 different actions 492 times. Merged at 8 different actions 31 times. Never widened. Found 7 fixpoints after 3 different actions. Largest state had 42 variables. [2018-10-27 06:11:42,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:42,328 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 06:11:42,328 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:11:42,328 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 06:11:42,337 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:11:42,337 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 06:11:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:11:42,444 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:11:42,660 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-27 06:11:42,660 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 06:11:43,300 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 44 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-27 06:11:43,321 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 06:11:43,322 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-10-27 06:11:43,322 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 06:11:43,323 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-27 06:11:43,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-27 06:11:43,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-10-27 06:11:43,324 INFO L87 Difference]: Start difference. First operand 2181 states and 2777 transitions. Second operand 8 states. [2018-10-27 06:11:47,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:11:47,968 INFO L93 Difference]: Finished difference Result 7194 states and 9811 transitions. [2018-10-27 06:11:47,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-27 06:11:47,969 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 159 [2018-10-27 06:11:47,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:11:47,985 INFO L225 Difference]: With dead ends: 7194 [2018-10-27 06:11:47,985 INFO L226 Difference]: Without dead ends: 2993 [2018-10-27 06:11:48,009 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=215, Invalid=777, Unknown=0, NotChecked=0, Total=992 [2018-10-27 06:11:48,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2993 states. [2018-10-27 06:11:48,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2993 to 2936. [2018-10-27 06:11:48,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2936 states. [2018-10-27 06:11:48,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2936 states to 2936 states and 3485 transitions. [2018-10-27 06:11:48,090 INFO L78 Accepts]: Start accepts. Automaton has 2936 states and 3485 transitions. Word has length 159 [2018-10-27 06:11:48,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:11:48,090 INFO L481 AbstractCegarLoop]: Abstraction has 2936 states and 3485 transitions. [2018-10-27 06:11:48,090 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-27 06:11:48,090 INFO L276 IsEmpty]: Start isEmpty. Operand 2936 states and 3485 transitions. [2018-10-27 06:11:48,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-10-27 06:11:48,098 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:11:48,098 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:11:48,099 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:11:48,099 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:48,099 INFO L82 PathProgramCache]: Analyzing trace with hash 867493849, now seen corresponding path program 1 times [2018-10-27 06:11:48,099 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:11:48,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:48,100 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:11:48,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:48,101 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:11:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:11:48,637 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-27 06:11:48,835 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 78 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-27 06:11:48,835 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:11:48,836 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:11:48,836 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 187 with the following transitions: [2018-10-27 06:11:48,836 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [581], [583], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-27 06:11:48,856 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:11:48,856 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:11:49,247 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 06:11:49,247 INFO L272 AbstractInterpreter]: Visited 123 different actions 240 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-10-27 06:11:49,271 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:49,271 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 06:11:49,669 INFO L227 lantSequenceWeakener]: Weakened 183 states. On average, predicates are now at 81.83% of their original sizes. [2018-10-27 06:11:49,669 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 06:11:50,456 INFO L415 sIntCurrentIteration]: We unified 185 AI predicates to 185 [2018-10-27 06:11:50,456 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 06:11:50,457 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 06:11:50,457 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-10-27 06:11:50,457 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:11:50,458 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-27 06:11:50,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-27 06:11:50,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-27 06:11:50,458 INFO L87 Difference]: Start difference. First operand 2936 states and 3485 transitions. Second operand 10 states. [2018-10-27 06:11:59,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:11:59,273 INFO L93 Difference]: Finished difference Result 6053 states and 7217 transitions. [2018-10-27 06:11:59,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-27 06:11:59,273 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 186 [2018-10-27 06:11:59,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:11:59,290 INFO L225 Difference]: With dead ends: 6053 [2018-10-27 06:11:59,291 INFO L226 Difference]: Without dead ends: 3397 [2018-10-27 06:11:59,302 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 194 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-10-27 06:11:59,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2018-10-27 06:11:59,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 3394. [2018-10-27 06:11:59,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3394 states. [2018-10-27 06:11:59,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3394 states to 3394 states and 3972 transitions. [2018-10-27 06:11:59,397 INFO L78 Accepts]: Start accepts. Automaton has 3394 states and 3972 transitions. Word has length 186 [2018-10-27 06:11:59,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:11:59,397 INFO L481 AbstractCegarLoop]: Abstraction has 3394 states and 3972 transitions. [2018-10-27 06:11:59,397 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-27 06:11:59,397 INFO L276 IsEmpty]: Start isEmpty. Operand 3394 states and 3972 transitions. [2018-10-27 06:11:59,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-10-27 06:11:59,408 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:11:59,408 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:11:59,409 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:11:59,409 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:59,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1566001412, now seen corresponding path program 1 times [2018-10-27 06:11:59,409 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:11:59,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:59,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:11:59,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:59,410 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:11:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:12:00,308 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 76 proven. 30 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-10-27 06:12:00,309 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:12:00,309 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:12:00,309 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 196 with the following transitions: [2018-10-27 06:12:00,309 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [581], [583], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-27 06:12:00,317 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:12:00,317 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:12:00,838 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 06:12:00,838 INFO L272 AbstractInterpreter]: Visited 125 different actions 498 times. Merged at 9 different actions 34 times. Never widened. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-10-27 06:12:00,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:00,845 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 06:12:00,845 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:12:00,845 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 06:12:00,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:12:00,855 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 06:12:00,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:12:00,952 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:12:01,125 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 94 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-27 06:12:01,125 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 06:12:01,335 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 82 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-27 06:12:01,357 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 06:12:01,357 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-10-27 06:12:01,357 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 06:12:01,358 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-27 06:12:01,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-27 06:12:01,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-10-27 06:12:01,359 INFO L87 Difference]: Start difference. First operand 3394 states and 3972 transitions. Second operand 11 states. [2018-10-27 06:12:04,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:12:04,213 INFO L93 Difference]: Finished difference Result 11096 states and 13899 transitions. [2018-10-27 06:12:04,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-27 06:12:04,218 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 195 [2018-10-27 06:12:04,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:12:04,254 INFO L225 Difference]: With dead ends: 11096 [2018-10-27 06:12:04,254 INFO L226 Difference]: Without dead ends: 8302 [2018-10-27 06:12:04,274 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 393 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-10-27 06:12:04,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8302 states. [2018-10-27 06:12:04,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8302 to 8270. [2018-10-27 06:12:04,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8270 states. [2018-10-27 06:12:04,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8270 states to 8270 states and 9942 transitions. [2018-10-27 06:12:04,487 INFO L78 Accepts]: Start accepts. Automaton has 8270 states and 9942 transitions. Word has length 195 [2018-10-27 06:12:04,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:12:04,488 INFO L481 AbstractCegarLoop]: Abstraction has 8270 states and 9942 transitions. [2018-10-27 06:12:04,488 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-27 06:12:04,488 INFO L276 IsEmpty]: Start isEmpty. Operand 8270 states and 9942 transitions. [2018-10-27 06:12:04,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-10-27 06:12:04,506 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:12:04,506 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:12:04,506 INFO L424 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:12:04,507 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:04,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1448672338, now seen corresponding path program 2 times [2018-10-27 06:12:04,507 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:12:04,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:04,508 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:12:04,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:04,508 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:12:04,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:12:05,123 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 76 proven. 32 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 06:12:05,123 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:12:05,123 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:12:05,123 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-27 06:12:05,123 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-27 06:12:05,123 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:12:05,124 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 06:12:05,132 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-27 06:12:05,133 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-10-27 06:12:05,194 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-10-27 06:12:05,194 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-27 06:12:05,199 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:12:05,265 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-10-27 06:12:05,266 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 06:12:05,410 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-10-27 06:12:05,430 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-10-27 06:12:05,431 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-10-27 06:12:05,431 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:12:05,431 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 06:12:05,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 06:12:05,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-10-27 06:12:05,433 INFO L87 Difference]: Start difference. First operand 8270 states and 9942 transitions. Second operand 3 states. [2018-10-27 06:12:06,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:12:06,313 INFO L93 Difference]: Finished difference Result 20308 states and 24800 transitions. [2018-10-27 06:12:06,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 06:12:06,316 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 195 [2018-10-27 06:12:06,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:12:06,364 INFO L225 Difference]: With dead ends: 20308 [2018-10-27 06:12:06,364 INFO L226 Difference]: Without dead ends: 12318 [2018-10-27 06:12:06,397 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 389 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-10-27 06:12:06,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12318 states. [2018-10-27 06:12:06,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12318 to 12126. [2018-10-27 06:12:06,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12126 states. [2018-10-27 06:12:06,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12126 states to 12126 states and 14427 transitions. [2018-10-27 06:12:06,698 INFO L78 Accepts]: Start accepts. Automaton has 12126 states and 14427 transitions. Word has length 195 [2018-10-27 06:12:06,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:12:06,699 INFO L481 AbstractCegarLoop]: Abstraction has 12126 states and 14427 transitions. [2018-10-27 06:12:06,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 06:12:06,699 INFO L276 IsEmpty]: Start isEmpty. Operand 12126 states and 14427 transitions. [2018-10-27 06:12:06,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-10-27 06:12:06,727 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:12:06,727 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-27 06:12:06,728 INFO L424 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:12:06,728 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:06,728 INFO L82 PathProgramCache]: Analyzing trace with hash -1211800928, now seen corresponding path program 1 times [2018-10-27 06:12:06,728 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:12:06,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:06,729 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 06:12:06,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:06,729 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:12:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:12:07,345 WARN L179 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-27 06:12:07,559 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 119 proven. 52 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-27 06:12:07,560 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:12:07,560 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:12:07,560 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 226 with the following transitions: [2018-10-27 06:12:07,560 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [93], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [581], [583], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-27 06:12:07,563 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:12:07,564 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:12:07,874 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 06:12:07,875 INFO L272 AbstractInterpreter]: Visited 124 different actions 364 times. Merged at 7 different actions 14 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 42 variables. [2018-10-27 06:12:07,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:07,912 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 06:12:08,149 INFO L227 lantSequenceWeakener]: Weakened 222 states. On average, predicates are now at 83.45% of their original sizes. [2018-10-27 06:12:08,150 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 06:12:08,234 INFO L415 sIntCurrentIteration]: We unified 224 AI predicates to 224 [2018-10-27 06:12:08,234 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 06:12:08,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 06:12:08,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-10-27 06:12:08,235 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:12:08,235 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-27 06:12:08,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-27 06:12:08,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-27 06:12:08,236 INFO L87 Difference]: Start difference. First operand 12126 states and 14427 transitions. Second operand 10 states. [2018-10-27 06:12:14,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:12:14,191 INFO L93 Difference]: Finished difference Result 24391 states and 29128 transitions. [2018-10-27 06:12:14,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-27 06:12:14,191 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 225 [2018-10-27 06:12:14,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:12:14,240 INFO L225 Difference]: With dead ends: 24391 [2018-10-27 06:12:14,240 INFO L226 Difference]: Without dead ends: 12819 [2018-10-27 06:12:14,260 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 232 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-10-27 06:12:14,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12819 states. [2018-10-27 06:12:14,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12819 to 12678. [2018-10-27 06:12:14,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12678 states. [2018-10-27 06:12:14,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12678 states to 12678 states and 15041 transitions. [2018-10-27 06:12:14,520 INFO L78 Accepts]: Start accepts. Automaton has 12678 states and 15041 transitions. Word has length 225 [2018-10-27 06:12:14,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:12:14,521 INFO L481 AbstractCegarLoop]: Abstraction has 12678 states and 15041 transitions. [2018-10-27 06:12:14,521 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-27 06:12:14,521 INFO L276 IsEmpty]: Start isEmpty. Operand 12678 states and 15041 transitions. [2018-10-27 06:12:14,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-10-27 06:12:14,550 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:12:14,551 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:12:14,551 INFO L424 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:12:14,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:14,551 INFO L82 PathProgramCache]: Analyzing trace with hash -634639250, now seen corresponding path program 1 times [2018-10-27 06:12:14,552 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:12:14,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:14,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:12:14,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:14,553 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:12:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:12:14,933 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 174 proven. 52 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-27 06:12:14,933 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:12:14,933 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:12:14,933 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 242 with the following transitions: [2018-10-27 06:12:14,934 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [93], [94], [98], [102], [105], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [581], [583], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-27 06:12:14,936 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:12:14,937 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:12:15,338 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 06:12:15,339 INFO L272 AbstractInterpreter]: Visited 125 different actions 500 times. Merged at 9 different actions 36 times. Widened at 1 different actions 1 times. Found 7 fixpoints after 3 different actions. Largest state had 42 variables. [2018-10-27 06:12:15,358 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:15,358 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 06:12:15,358 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:12:15,358 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 06:12:15,370 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:12:15,370 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 06:12:15,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:12:15,471 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:12:15,657 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-10-27 06:12:15,657 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 06:12:15,841 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-10-27 06:12:15,862 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-10-27 06:12:15,862 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-10-27 06:12:15,862 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:12:15,863 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 06:12:15,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 06:12:15,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-10-27 06:12:15,863 INFO L87 Difference]: Start difference. First operand 12678 states and 15041 transitions. Second operand 3 states. [2018-10-27 06:12:16,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:12:16,468 INFO L93 Difference]: Finished difference Result 20967 states and 24881 transitions. [2018-10-27 06:12:16,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 06:12:16,472 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 241 [2018-10-27 06:12:16,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:12:16,473 INFO L225 Difference]: With dead ends: 20967 [2018-10-27 06:12:16,474 INFO L226 Difference]: Without dead ends: 0 [2018-10-27 06:12:16,512 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 490 GetRequests, 480 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-10-27 06:12:16,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-27 06:12:16,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-27 06:12:16,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-27 06:12:16,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 06:12:16,513 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 241 [2018-10-27 06:12:16,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:12:16,513 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:12:16,514 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 06:12:16,516 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-27 06:12:16,516 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 06:12:16,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-27 06:12:16,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:16,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:16,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:16,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:16,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:16,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:16,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:16,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:16,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:16,862 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:16,863 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:16,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:16,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:16,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:16,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:16,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:16,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:16,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:16,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:16,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:16,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:16,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:16,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:16,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:16,997 WARN L179 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 109 [2018-10-27 06:12:17,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:17,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:17,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:17,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:17,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:17,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:17,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:17,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:17,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:17,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:17,062 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:17,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:17,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:17,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:17,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:17,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:17,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:17,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:17,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:17,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:17,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:17,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:17,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:17,119 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 75 [2018-10-27 06:12:17,576 WARN L179 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 20 [2018-10-27 06:12:18,129 WARN L179 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 40 [2018-10-27 06:12:21,749 WARN L179 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 289 DAG size of output: 113 [2018-10-27 06:12:22,157 WARN L179 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 59 [2018-10-27 06:12:22,648 WARN L179 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 62 [2018-10-27 06:12:22,652 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-27 06:12:22,652 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a20~0)| ~a20~0)) [2018-10-27 06:12:22,652 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-27 06:12:22,652 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-10-27 06:12:22,652 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-10-27 06:12:22,652 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,652 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,653 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,653 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,653 INFO L425 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,653 INFO L425 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,653 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-10-27 06:12:22,653 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-10-27 06:12:22,653 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-10-27 06:12:22,653 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-10-27 06:12:22,653 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-10-27 06:12:22,653 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-10-27 06:12:22,654 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-10-27 06:12:22,654 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-10-27 06:12:22,654 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-10-27 06:12:22,654 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-10-27 06:12:22,654 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,654 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,654 INFO L425 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,654 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,654 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,654 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,654 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-10-27 06:12:22,654 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-10-27 06:12:22,654 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-10-27 06:12:22,655 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-10-27 06:12:22,655 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-10-27 06:12:22,655 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-10-27 06:12:22,655 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-10-27 06:12:22,655 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-10-27 06:12:22,655 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 509) no Hoare annotation was computed. [2018-10-27 06:12:22,655 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-10-27 06:12:22,655 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-10-27 06:12:22,655 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-10-27 06:12:22,655 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-10-27 06:12:22,655 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-10-27 06:12:22,656 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-10-27 06:12:22,656 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-10-27 06:12:22,656 INFO L425 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,656 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,656 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,656 INFO L425 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,656 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,656 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-10-27 06:12:22,656 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-10-27 06:12:22,657 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-10-27 06:12:22,657 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-10-27 06:12:22,657 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-10-27 06:12:22,657 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-10-27 06:12:22,657 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-10-27 06:12:22,657 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-10-27 06:12:22,657 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-10-27 06:12:22,657 INFO L425 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,658 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,658 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,658 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,658 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,658 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-10-27 06:12:22,658 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-10-27 06:12:22,658 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-10-27 06:12:22,658 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-10-27 06:12:22,658 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-10-27 06:12:22,658 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-10-27 06:12:22,659 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-10-27 06:12:22,659 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-10-27 06:12:22,659 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-10-27 06:12:22,659 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-10-27 06:12:22,659 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-10-27 06:12:22,659 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-10-27 06:12:22,659 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-10-27 06:12:22,659 INFO L425 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,659 INFO L425 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,659 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,660 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,660 INFO L425 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,660 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-10-27 06:12:22,660 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-10-27 06:12:22,660 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-10-27 06:12:22,660 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-10-27 06:12:22,660 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-10-27 06:12:22,660 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-10-27 06:12:22,661 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-10-27 06:12:22,661 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-10-27 06:12:22,661 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-10-27 06:12:22,661 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,661 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,661 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,661 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,661 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,661 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,662 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-10-27 06:12:22,662 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,662 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-10-27 06:12:22,662 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-10-27 06:12:22,662 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-10-27 06:12:22,662 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-10-27 06:12:22,662 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-10-27 06:12:22,662 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-10-27 06:12:22,662 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-10-27 06:12:22,663 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-10-27 06:12:22,663 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-10-27 06:12:22,663 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-10-27 06:12:22,663 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-10-27 06:12:22,663 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-10-27 06:12:22,663 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-10-27 06:12:22,663 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,663 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,663 INFO L425 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,663 INFO L425 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,663 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,663 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-10-27 06:12:22,664 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-10-27 06:12:22,664 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-10-27 06:12:22,664 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-10-27 06:12:22,664 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-10-27 06:12:22,664 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-10-27 06:12:22,664 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-10-27 06:12:22,664 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-10-27 06:12:22,664 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,664 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,664 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,664 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,664 INFO L425 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,664 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-10-27 06:12:22,664 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-10-27 06:12:22,665 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-10-27 06:12:22,665 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-10-27 06:12:22,665 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-10-27 06:12:22,665 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-10-27 06:12:22,665 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-10-27 06:12:22,665 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-10-27 06:12:22,665 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-10-27 06:12:22,665 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-10-27 06:12:22,666 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse26 (= ~a16~0 6)) (.cse13 (= 1 |old(~a20~0)|)) (.cse25 (not (= 0 |old(~a17~0)|))) (.cse21 (not (= 0 |old(~a7~0)|))) (.cse3 (not (= 1 |old(~a21~0)|))) (.cse23 (not (= 15 |old(~a8~0)|))) (.cse5 (not (= 8 ~a12~0))) (.cse8 (not (= 1 |old(~a17~0)|)))) (let ((.cse17 (= ~a17~0 0)) (.cse15 (<= ~a17~0 0)) (.cse16 (< 0 |old(~a17~0)|)) (.cse2 (< |old(~a8~0)| 15)) (.cse14 (= 1 ~a7~0)) (.cse20 (let ((.cse29 (not (= 5 |old(~a16~0)|)))) (and (or .cse21 .cse3 .cse23 .cse25 .cse29 .cse5) (or .cse21 .cse3 .cse23 .cse29 .cse5 .cse8)))) (.cse4 (not .cse13)) (.cse24 (= 0 |old(~a16~0)|)) (.cse7 (= |calculate_output_#in~input| 0)) (.cse28 (= 0 |old(~a8~0)|)) (.cse22 (not (= ~a16~0 0))) (.cse19 (= ~a17~0 1)) (.cse18 (= ~a21~0 1)) (.cse27 (= ~a20~0 1)) (.cse6 (not (= 1 |old(~a7~0)|))) (.cse11 (= |old(~a20~0)| ~a20~0)) (.cse9 (= 6 |old(~a16~0)|)) (.cse12 (< 13 |old(~a8~0)|)) (.cse0 (= ~a7~0 |old(~a7~0)|)) (.cse1 (= |old(~a8~0)| ~a8~0)) (.cse10 (not .cse26))) (and (or (and .cse0 .cse1) .cse2) (or (= ~a16~0 4) (or .cse3 .cse4 (not (= 4 |old(~a16~0)|)) (not (= 13 |old(~a8~0)|))) .cse5 .cse6 .cse7 .cse8) (or .cse9 .cse10 .cse6 .cse2) (or .cse11 .cse2) (or .cse9 .cse12 .cse11 .cse13) (or .cse12 (and .cse14 .cse1 .cse11 .cse15) (< |old(~a20~0)| 1) .cse6 .cse16) (or (and (or (and .cse17 .cse18) (and .cse19 .cse18)) (= ~a16~0 5)) .cse7 .cse20) (or .cse9 (and .cse0 .cse1 .cse11 .cse10 .cse15) .cse16) (or .cse9 .cse10 .cse13 .cse2) (or .cse9 .cse21 .cse3 .cse5 .cse16 .cse7 (and .cse22 .cse18) .cse4 .cse23 .cse24) (or .cse7 (or (not .cse9) .cse21 .cse3 .cse4 .cse23 .cse25 .cse5) (and .cse18 (and .cse17 .cse26))) (or .cse15 .cse16 .cse2) (or .cse3 .cse4 .cse24 .cse5 (and .cse22 .cse14 .cse1 .cse19 .cse18 .cse27) .cse6 .cse7 .cse28 .cse8) (or .cse3 .cse12 .cse4 .cse24 .cse5 (and .cse0 .cse22 .cse1 .cse19 .cse18 .cse27) .cse7 .cse28 .cse8) (or .cse7 (or (not (= 0 |old(~a20~0)|)) .cse8) .cse20 .cse19) (or .cse9 .cse3 .cse4 .cse24 .cse5 .cse7 .cse28 .cse8 (and .cse22 .cse19 .cse18 .cse0 .cse1 .cse10 .cse27)) (or .cse9 .cse12 .cse6 .cse11) (or .cse9 .cse12 (and .cse0 .cse1 .cse10))))) [2018-10-27 06:12:22,666 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-10-27 06:12:22,666 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,666 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,666 INFO L425 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,666 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,666 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-10-27 06:12:22,666 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,666 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,667 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-10-27 06:12:22,667 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-10-27 06:12:22,667 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-10-27 06:12:22,667 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-10-27 06:12:22,667 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-10-27 06:12:22,667 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-10-27 06:12:22,667 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-10-27 06:12:22,667 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-10-27 06:12:22,667 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-10-27 06:12:22,667 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-10-27 06:12:22,668 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-10-27 06:12:22,668 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-10-27 06:12:22,668 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,668 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,668 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,668 INFO L425 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,668 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,668 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-10-27 06:12:22,668 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,668 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-10-27 06:12:22,669 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-10-27 06:12:22,669 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-10-27 06:12:22,669 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-10-27 06:12:22,669 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-10-27 06:12:22,669 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-10-27 06:12:22,669 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-10-27 06:12:22,669 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-10-27 06:12:22,669 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-10-27 06:12:22,669 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-10-27 06:12:22,669 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-10-27 06:12:22,669 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-10-27 06:12:22,670 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-10-27 06:12:22,670 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-10-27 06:12:22,670 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,670 INFO L425 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,670 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,670 INFO L425 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,670 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,670 INFO L425 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:12:22,670 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-10-27 06:12:22,671 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-10-27 06:12:22,671 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-10-27 06:12:22,671 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-10-27 06:12:22,671 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-10-27 06:12:22,671 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-10-27 06:12:22,671 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-10-27 06:12:22,671 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-10-27 06:12:22,671 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-10-27 06:12:22,671 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-10-27 06:12:22,671 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-27 06:12:22,672 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2018-10-27 06:12:22,672 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-27 06:12:22,672 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-27 06:12:22,672 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (and (= ~a17~0 1) (= ~a21~0 1) (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a20~0 1) (= ~a16~0 5)) (not (= 1 |old(~a17~0)|))) [2018-10-27 06:12:22,672 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-10-27 06:12:22,672 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse1 (not (= ~a16~0 0))) (.cse2 (not (= main_~input~0 0))) (.cse3 (not (= ~a8~0 0))) (.cse4 (= ~a17~0 1)) (.cse5 (= ~a21~0 1)) (.cse6 (= ~a20~0 1)) (.cse7 (= 1 ~a7~0)) (.cse8 (<= ~a17~0 0)) (.cse0 (<= ~a8~0 13)) (.cse9 (not (= ~a16~0 6)))) (or (not (= 1 |old(~a21~0)|)) (not (= 8 ~a12~0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (not (= 1 |old(~a20~0)|)) (and .cse0 .cse7 .cse8 (<= 1 ~a20~0)) (and .cse1 .cse2 .cse3 .cse9 .cse4 .cse5 .cse6) (not (= 5 |old(~a16~0)|)) (and .cse0 (not .cse6) .cse9) (and .cse1 .cse7 .cse2 .cse3 .cse4 .cse5 .cse6) (not (= 0 |old(~a7~0)|)) (and .cse0 .cse7 .cse9) (and .cse9 .cse8) (and .cse0 (= ~a7~0 |old(~a7~0)|) .cse9) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (<= 15 ~a8~0))) [2018-10-27 06:12:22,672 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-10-27 06:12:22,673 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-10-27 06:12:22,673 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-10-27 06:12:22,673 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse8 (<= ~a17~0 0)) (.cse6 (<= ~a8~0 13)) (.cse2 (not (= ~a16~0 6))) (.cse0 (not (= ~a16~0 0))) (.cse7 (= 1 ~a7~0)) (.cse1 (not (= ~a8~0 0))) (.cse3 (= ~a17~0 1)) (.cse4 (= ~a21~0 1)) (.cse5 (= ~a20~0 1))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (= 8 ~a12~0)) (and .cse6 .cse0 .cse1 .cse3 .cse4 .cse5) (not (= 1 |old(~a20~0)|)) (and .cse6 .cse7 .cse8 (<= 1 ~a20~0)) (not (= 5 |old(~a16~0)|)) (and .cse6 (not .cse5) .cse2) (not (= 0 |old(~a7~0)|)) (and .cse6 .cse7 .cse2) (and .cse2 .cse8) (and .cse6 (= ~a7~0 |old(~a7~0)|) .cse2) (not (= 1 |old(~a17~0)|)) (and .cse0 .cse7 .cse1 .cse3 .cse4 .cse5) (not (= 15 |old(~a8~0)|)) (<= 15 ~a8~0))) [2018-10-27 06:12:22,673 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-10-27 06:12:22,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 06:12:22 BoogieIcfgContainer [2018-10-27 06:12:22,687 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 06:12:22,688 INFO L168 Benchmark]: Toolchain (without parser) took 79578.04 ms. Allocated memory was 1.5 GB in the beginning and 3.9 GB in the end (delta: 2.4 GB). Free memory was 1.4 GB in the beginning and 3.3 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-10-27 06:12:22,689 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 06:12:22,690 INFO L168 Benchmark]: CACSL2BoogieTranslator took 722.63 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. [2018-10-27 06:12:22,690 INFO L168 Benchmark]: Boogie Procedure Inliner took 207.43 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 727.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -804.7 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. [2018-10-27 06:12:22,691 INFO L168 Benchmark]: Boogie Preprocessor took 81.25 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 06:12:22,692 INFO L168 Benchmark]: RCFGBuilder took 3375.45 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: 114.8 MB). Peak memory consumption was 114.8 MB. Max. memory is 7.1 GB. [2018-10-27 06:12:22,692 INFO L168 Benchmark]: TraceAbstraction took 75186.08 ms. Allocated memory was 2.3 GB in the beginning and 3.9 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 3.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-10-27 06:12:22,697 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 722.63 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 207.43 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 727.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -804.7 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.25 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3375.45 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: 114.8 MB). Peak memory consumption was 114.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 75186.08 ms. Allocated memory was 2.3 GB in the beginning and 3.9 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 3.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 509]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((((((!(1 == \old(a21)) || (((((!(a16 == 0) && !(a8 == 0)) && !(a16 == 6)) && a17 == 1) && a21 == 1) && a20 == 1)) || !(8 == a12)) || (((((a8 <= 13 && !(a16 == 0)) && !(a8 == 0)) && a17 == 1) && a21 == 1) && a20 == 1)) || !(1 == \old(a20))) || (((a8 <= 13 && 1 == a7) && a17 <= 0) && 1 <= a20)) || !(5 == \old(a16))) || ((a8 <= 13 && !(a20 == 1)) && !(a16 == 6))) || !(0 == \old(a7))) || ((a8 <= 13 && 1 == a7) && !(a16 == 6))) || (!(a16 == 6) && a17 <= 0)) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || !(1 == \old(a17))) || (((((!(a16 == 0) && 1 == a7) && !(a8 == 0)) && a17 == 1) && a21 == 1) && a20 == 1)) || !(15 == \old(a8))) || 15 <= a8 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 75.0s OverallTime, 11 OverallIterations, 5 TraceHistogramMax, 51.8s AutomataDifference, 0.0s DeadEndRemovalTime, 6.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1656 SDtfs, 8332 SDslu, 2852 SDs, 0 SdLazy, 12283 SolverSat, 2183 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.8s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 2547 GetRequests, 2395 SyntacticMatches, 9 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 464 ImplicationChecksByTransitivity, 5.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12678occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.5s AbstIntTime, 8 AbstIntIterations, 5 AbstIntStrong, 0.9971965785584109 AbsIntWeakeningRatio, 0.2250300842358604 AbsIntAvgWeakeningVarsNumRemoved, 28.24789410348977 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 473 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 366 PreInvPairs, 588 NumberOfFragments, 978 HoareAnnotationTreeSize, 366 FomulaSimplifications, 11970 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6575 FormulaSimplificationTreeSizeReductionInter, 5.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 7.1s InterpolantComputationTime, 2662 NumberOfCodeBlocks, 2595 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3433 ConstructedInterpolants, 0 QuantifiedInterpolants, 1397877 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2081 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 19 InterpolantComputations, 6 PerfectInterpolantSequences, 1843/2081 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...