java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label14_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-25 00:05:15,141 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-25 00:05:15,144 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-25 00:05:15,159 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-25 00:05:15,160 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-25 00:05:15,161 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-25 00:05:15,163 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-25 00:05:15,165 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-25 00:05:15,166 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-25 00:05:15,167 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-25 00:05:15,168 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-25 00:05:15,168 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-25 00:05:15,169 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-25 00:05:15,170 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-25 00:05:15,171 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-25 00:05:15,172 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-25 00:05:15,173 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-25 00:05:15,175 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-25 00:05:15,177 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-25 00:05:15,178 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-25 00:05:15,180 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-25 00:05:15,181 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-25 00:05:15,183 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-25 00:05:15,192 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 [2018-10-25 00:05:15,210 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-25 00:05:15,211 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-25 00:05:15,212 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-25 00:05:15,212 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-25 00:05:15,213 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-25 00:05:15,213 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-25 00:05:15,213 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-25 00:05:15,213 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-25 00:05:15,214 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-25 00:05:15,214 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-25 00:05:15,214 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-25 00:05:15,214 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-25 00:05:15,214 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-25 00:05:15,215 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-25 00:05:15,215 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-25 00:05:15,215 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-25 00:05:15,216 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-25 00:05:15,217 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-25 00:05:15,217 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-25 00:05:15,217 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-25 00:05:15,217 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-25 00:05:15,218 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-25 00:05:15,218 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-25 00:05:15,218 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-25 00:05:15,218 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-25 00:05:15,218 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-25 00:05:15,218 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-25 00:05:15,219 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-25 00:05:15,219 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-25 00:05:15,220 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-25 00:05:15,220 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-25 00:05:15,220 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-25 00:05:15,220 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-25 00:05:15,220 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-25 00:05:15,220 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-25 00:05:15,221 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-25 00:05:15,281 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-25 00:05:15,299 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-25 00:05:15,303 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-25 00:05:15,305 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-25 00:05:15,305 INFO L276 PluginConnector]: CDTParser initialized [2018-10-25 00:05:15,306 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label14_true-unreach-call_false-termination.c [2018-10-25 00:05:15,374 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/43acc1e11/5f39092849f445e3a1d604321669283a/FLAGe0ae1bf9f [2018-10-25 00:05:15,982 INFO L298 CDTParser]: Found 1 translation units. [2018-10-25 00:05:15,983 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label14_true-unreach-call_false-termination.c [2018-10-25 00:05:15,999 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/43acc1e11/5f39092849f445e3a1d604321669283a/FLAGe0ae1bf9f [2018-10-25 00:05:16,012 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/43acc1e11/5f39092849f445e3a1d604321669283a [2018-10-25 00:05:16,024 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-25 00:05:16,025 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-25 00:05:16,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-25 00:05:16,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-25 00:05:16,032 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-25 00:05:16,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 12:05:16" (1/1) ... [2018-10-25 00:05:16,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c281282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:05:16, skipping insertion in model container [2018-10-25 00:05:16,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 12:05:16" (1/1) ... [2018-10-25 00:05:16,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-25 00:05:16,114 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-25 00:05:16,553 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 00:05:16,560 INFO L189 MainTranslator]: Completed pre-run [2018-10-25 00:05:16,684 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 00:05:16,704 INFO L193 MainTranslator]: Completed translation [2018-10-25 00:05:16,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:05:16 WrapperNode [2018-10-25 00:05:16,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-25 00:05:16,707 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-25 00:05:16,707 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-25 00:05:16,707 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-25 00:05:16,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:05:16" (1/1) ... [2018-10-25 00:05:16,750 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:05:16" (1/1) ... [2018-10-25 00:05:16,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-25 00:05:16,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-25 00:05:16,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-25 00:05:16,816 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-25 00:05:16,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:05:16" (1/1) ... [2018-10-25 00:05:16,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:05:16" (1/1) ... [2018-10-25 00:05:16,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:05:16" (1/1) ... [2018-10-25 00:05:16,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:05:16" (1/1) ... [2018-10-25 00:05:16,978 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:05:16" (1/1) ... [2018-10-25 00:05:17,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:05:16" (1/1) ... [2018-10-25 00:05:17,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:05:16" (1/1) ... [2018-10-25 00:05:17,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-25 00:05:17,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-25 00:05:17,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-25 00:05:17,033 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-25 00:05:17,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:05:16" (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 [2018-10-25 00:05:17,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-25 00:05:17,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-25 00:05:17,110 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-25 00:05:17,110 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-25 00:05:17,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-25 00:05:17,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-25 00:05:17,110 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-25 00:05:17,111 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-25 00:05:20,351 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-25 00:05:20,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 12:05:20 BoogieIcfgContainer [2018-10-25 00:05:20,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-25 00:05:20,355 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-25 00:05:20,355 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-25 00:05:20,365 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-25 00:05:20,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 12:05:16" (1/3) ... [2018-10-25 00:05:20,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@593283d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 12:05:20, skipping insertion in model container [2018-10-25 00:05:20,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:05:16" (2/3) ... [2018-10-25 00:05:20,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@593283d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 12:05:20, skipping insertion in model container [2018-10-25 00:05:20,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 12:05:20" (3/3) ... [2018-10-25 00:05:20,373 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label14_true-unreach-call_false-termination.c [2018-10-25 00:05:20,383 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-25 00:05:20,397 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-25 00:05:20,416 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-25 00:05:20,469 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-25 00:05:20,470 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-25 00:05:20,470 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-25 00:05:20,470 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-25 00:05:20,470 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-25 00:05:20,471 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-25 00:05:20,471 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-25 00:05:20,471 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-25 00:05:20,515 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-10-25 00:05:20,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-25 00:05:20,533 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:05:20,534 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:05:20,537 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:05:20,545 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:05:20,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1648799080, now seen corresponding path program 1 times [2018-10-25 00:05:20,548 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:05:20,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:20,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:05:20,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:20,610 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:05:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:05:21,185 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 00:05:21,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:05:21,293 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:05:21,293 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-25 00:05:21,294 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:05:21,300 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-25 00:05:21,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-25 00:05:21,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 00:05:21,319 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-10-25 00:05:22,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:05:22,804 INFO L93 Difference]: Finished difference Result 621 states and 1059 transitions. [2018-10-25 00:05:22,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-25 00:05:22,806 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2018-10-25 00:05:22,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:05:22,826 INFO L225 Difference]: With dead ends: 621 [2018-10-25 00:05:22,826 INFO L226 Difference]: Without dead ends: 382 [2018-10-25 00:05:22,833 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 [2018-10-25 00:05:22,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-10-25 00:05:22,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2018-10-25 00:05:22,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-10-25 00:05:22,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 608 transitions. [2018-10-25 00:05:22,917 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 608 transitions. Word has length 124 [2018-10-25 00:05:22,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:05:22,919 INFO L481 AbstractCegarLoop]: Abstraction has 382 states and 608 transitions. [2018-10-25 00:05:22,919 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-25 00:05:22,919 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 608 transitions. [2018-10-25 00:05:22,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-25 00:05:22,927 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:05:22,928 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:05:22,928 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:05:22,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:05:22,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1971063541, now seen corresponding path program 1 times [2018-10-25 00:05:22,929 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:05:22,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:22,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:05:22,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:22,933 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:05:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:05:23,366 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-10-25 00:05:23,528 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:05:23,529 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:05:23,529 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-25 00:05:23,529 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:05:23,531 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-25 00:05:23,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-25 00:05:23,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-25 00:05:23,532 INFO L87 Difference]: Start difference. First operand 382 states and 608 transitions. Second operand 5 states. [2018-10-25 00:05:25,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:05:25,139 INFO L93 Difference]: Finished difference Result 903 states and 1497 transitions. [2018-10-25 00:05:25,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-25 00:05:25,140 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2018-10-25 00:05:25,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:05:25,145 INFO L225 Difference]: With dead ends: 903 [2018-10-25 00:05:25,145 INFO L226 Difference]: Without dead ends: 381 [2018-10-25 00:05:25,152 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-25 00:05:25,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-10-25 00:05:25,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2018-10-25 00:05:25,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2018-10-25 00:05:25,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 602 transitions. [2018-10-25 00:05:25,184 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 602 transitions. Word has length 133 [2018-10-25 00:05:25,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:05:25,185 INFO L481 AbstractCegarLoop]: Abstraction has 381 states and 602 transitions. [2018-10-25 00:05:25,185 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-25 00:05:25,185 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 602 transitions. [2018-10-25 00:05:25,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-25 00:05:25,193 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:05:25,194 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:05:25,194 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:05:25,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:05:25,194 INFO L82 PathProgramCache]: Analyzing trace with hash -1740193815, now seen corresponding path program 1 times [2018-10-25 00:05:25,195 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:05:25,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:25,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:05:25,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:25,199 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:05:25,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:05:25,871 WARN L179 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 22 [2018-10-25 00:05:26,000 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:05:26,001 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:05:26,001 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-25 00:05:26,001 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:05:26,002 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-25 00:05:26,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-25 00:05:26,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-25 00:05:26,003 INFO L87 Difference]: Start difference. First operand 381 states and 602 transitions. Second operand 5 states. [2018-10-25 00:05:27,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:05:27,829 INFO L93 Difference]: Finished difference Result 901 states and 1482 transitions. [2018-10-25 00:05:27,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-25 00:05:27,830 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 139 [2018-10-25 00:05:27,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:05:27,833 INFO L225 Difference]: With dead ends: 901 [2018-10-25 00:05:27,834 INFO L226 Difference]: Without dead ends: 380 [2018-10-25 00:05:27,836 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-25 00:05:27,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2018-10-25 00:05:27,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2018-10-25 00:05:27,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-10-25 00:05:27,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 594 transitions. [2018-10-25 00:05:27,855 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 594 transitions. Word has length 139 [2018-10-25 00:05:27,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:05:27,856 INFO L481 AbstractCegarLoop]: Abstraction has 380 states and 594 transitions. [2018-10-25 00:05:27,856 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-25 00:05:27,856 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 594 transitions. [2018-10-25 00:05:27,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-25 00:05:27,859 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:05:27,859 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:05:27,859 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:05:27,860 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:05:27,860 INFO L82 PathProgramCache]: Analyzing trace with hash -295510606, now seen corresponding path program 1 times [2018-10-25 00:05:27,860 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:05:27,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:27,861 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:05:27,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:27,862 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:05:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:05:28,120 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 00:05:28,314 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:05:28,315 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:05:28,315 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-25 00:05:28,315 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:05:28,316 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 00:05:28,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 00:05:28,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 00:05:28,317 INFO L87 Difference]: Start difference. First operand 380 states and 594 transitions. Second operand 6 states. [2018-10-25 00:05:31,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:05:31,170 INFO L93 Difference]: Finished difference Result 1193 states and 1942 transitions. [2018-10-25 00:05:31,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-25 00:05:31,173 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2018-10-25 00:05:31,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:05:31,179 INFO L225 Difference]: With dead ends: 1193 [2018-10-25 00:05:31,179 INFO L226 Difference]: Without dead ends: 819 [2018-10-25 00:05:31,181 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-25 00:05:31,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2018-10-25 00:05:31,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 807. [2018-10-25 00:05:31,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 807 states. [2018-10-25 00:05:31,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 1208 transitions. [2018-10-25 00:05:31,217 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 1208 transitions. Word has length 147 [2018-10-25 00:05:31,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:05:31,218 INFO L481 AbstractCegarLoop]: Abstraction has 807 states and 1208 transitions. [2018-10-25 00:05:31,218 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 00:05:31,218 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1208 transitions. [2018-10-25 00:05:31,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-25 00:05:31,221 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:05:31,222 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:05:31,222 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:05:31,222 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:05:31,222 INFO L82 PathProgramCache]: Analyzing trace with hash -431421266, now seen corresponding path program 1 times [2018-10-25 00:05:31,223 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:05:31,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:31,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:05:31,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:31,224 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:05:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:05:31,542 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:05:31,543 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:05:31,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-25 00:05:31,543 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:05:31,543 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-25 00:05:31,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-25 00:05:31,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-25 00:05:31,544 INFO L87 Difference]: Start difference. First operand 807 states and 1208 transitions. Second operand 5 states. [2018-10-25 00:05:32,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:05:32,731 INFO L93 Difference]: Finished difference Result 1753 states and 2669 transitions. [2018-10-25 00:05:32,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-25 00:05:32,743 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2018-10-25 00:05:32,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:05:32,749 INFO L225 Difference]: With dead ends: 1753 [2018-10-25 00:05:32,749 INFO L226 Difference]: Without dead ends: 804 [2018-10-25 00:05:32,753 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-25 00:05:32,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2018-10-25 00:05:32,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 804. [2018-10-25 00:05:32,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 804 states. [2018-10-25 00:05:32,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1190 transitions. [2018-10-25 00:05:32,778 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1190 transitions. Word has length 149 [2018-10-25 00:05:32,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:05:32,779 INFO L481 AbstractCegarLoop]: Abstraction has 804 states and 1190 transitions. [2018-10-25 00:05:32,779 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-25 00:05:32,779 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1190 transitions. [2018-10-25 00:05:32,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-10-25 00:05:32,782 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:05:32,783 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:05:32,783 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:05:32,783 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:05:32,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1643086762, now seen corresponding path program 1 times [2018-10-25 00:05:32,784 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:05:32,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:32,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:05:32,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:32,785 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:05:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:05:33,188 WARN L179 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-25 00:05:33,410 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-25 00:05:33,457 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:05:33,457 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:05:33,457 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-25 00:05:33,457 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:05:33,458 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-25 00:05:33,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-25 00:05:33,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-25 00:05:33,459 INFO L87 Difference]: Start difference. First operand 804 states and 1190 transitions. Second operand 5 states. [2018-10-25 00:05:35,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:05:35,126 INFO L93 Difference]: Finished difference Result 1747 states and 2630 transitions. [2018-10-25 00:05:35,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-25 00:05:35,128 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 151 [2018-10-25 00:05:35,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:05:35,134 INFO L225 Difference]: With dead ends: 1747 [2018-10-25 00:05:35,134 INFO L226 Difference]: Without dead ends: 801 [2018-10-25 00:05:35,138 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-25 00:05:35,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2018-10-25 00:05:35,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 801. [2018-10-25 00:05:35,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 801 states. [2018-10-25 00:05:35,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1169 transitions. [2018-10-25 00:05:35,172 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1169 transitions. Word has length 151 [2018-10-25 00:05:35,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:05:35,172 INFO L481 AbstractCegarLoop]: Abstraction has 801 states and 1169 transitions. [2018-10-25 00:05:35,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-25 00:05:35,173 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1169 transitions. [2018-10-25 00:05:35,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-10-25 00:05:35,180 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:05:35,180 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:05:35,181 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:05:35,188 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:05:35,188 INFO L82 PathProgramCache]: Analyzing trace with hash -1909626462, now seen corresponding path program 1 times [2018-10-25 00:05:35,188 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:05:35,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:35,190 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:05:35,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:35,193 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:05:35,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:05:35,491 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 00:05:35,801 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:05:35,801 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:05:35,802 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-25 00:05:35,802 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:05:35,802 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 00:05:35,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 00:05:35,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 00:05:35,803 INFO L87 Difference]: Start difference. First operand 801 states and 1169 transitions. Second operand 6 states. [2018-10-25 00:05:37,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:05:37,012 INFO L93 Difference]: Finished difference Result 2381 states and 3621 transitions. [2018-10-25 00:05:37,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-25 00:05:37,022 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 155 [2018-10-25 00:05:37,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:05:37,034 INFO L225 Difference]: With dead ends: 2381 [2018-10-25 00:05:37,035 INFO L226 Difference]: Without dead ends: 1586 [2018-10-25 00:05:37,039 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-25 00:05:37,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2018-10-25 00:05:37,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 1558. [2018-10-25 00:05:37,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1558 states. [2018-10-25 00:05:37,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1558 states and 2225 transitions. [2018-10-25 00:05:37,099 INFO L78 Accepts]: Start accepts. Automaton has 1558 states and 2225 transitions. Word has length 155 [2018-10-25 00:05:37,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:05:37,099 INFO L481 AbstractCegarLoop]: Abstraction has 1558 states and 2225 transitions. [2018-10-25 00:05:37,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 00:05:37,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 2225 transitions. [2018-10-25 00:05:37,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-25 00:05:37,107 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:05:37,107 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:05:37,107 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:05:37,107 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:05:37,108 INFO L82 PathProgramCache]: Analyzing trace with hash 1663549744, now seen corresponding path program 1 times [2018-10-25 00:05:37,108 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:05:37,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:37,109 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:05:37,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:37,109 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:05:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:05:37,262 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:05:37,262 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:05:37,262 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:05:37,263 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 191 with the following transitions: [2018-10-25 00:05:37,266 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [107], [108], [112], [116], [120], [123], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:05:37,321 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:05:37,322 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:05:38,399 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:05:38,402 INFO L272 AbstractInterpreter]: Visited 128 different actions 250 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-10-25 00:05:38,446 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:05:38,446 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:05:39,571 INFO L232 lantSequenceWeakener]: Weakened 187 states. On average, predicates are now at 80.99% of their original sizes. [2018-10-25 00:05:39,572 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:05:41,744 INFO L413 sIntCurrentIteration]: We have 189 unified AI predicates [2018-10-25 00:05:41,745 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:05:41,746 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:05:41,746 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-10-25 00:05:41,746 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:05:41,747 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-25 00:05:41,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-25 00:05:41,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-25 00:05:41,747 INFO L87 Difference]: Start difference. First operand 1558 states and 2225 transitions. Second operand 10 states. [2018-10-25 00:05:53,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:05:53,097 INFO L93 Difference]: Finished difference Result 3925 states and 5567 transitions. [2018-10-25 00:05:53,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-10-25 00:05:53,097 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 190 [2018-10-25 00:05:53,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:05:53,110 INFO L225 Difference]: With dead ends: 3925 [2018-10-25 00:05:53,110 INFO L226 Difference]: Without dead ends: 2373 [2018-10-25 00:05:53,117 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 199 GetRequests, 62 SyntacticMatches, 119 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 360 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-10-25 00:05:53,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2373 states. [2018-10-25 00:05:53,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2373 to 2302. [2018-10-25 00:05:53,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2302 states. [2018-10-25 00:05:53,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2302 states to 2302 states and 3078 transitions. [2018-10-25 00:05:53,178 INFO L78 Accepts]: Start accepts. Automaton has 2302 states and 3078 transitions. Word has length 190 [2018-10-25 00:05:53,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:05:53,178 INFO L481 AbstractCegarLoop]: Abstraction has 2302 states and 3078 transitions. [2018-10-25 00:05:53,179 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-25 00:05:53,179 INFO L276 IsEmpty]: Start isEmpty. Operand 2302 states and 3078 transitions. [2018-10-25 00:05:53,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-10-25 00:05:53,188 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:05:53,189 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-25 00:05:53,189 INFO L424 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:05:53,189 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:05:53,190 INFO L82 PathProgramCache]: Analyzing trace with hash 2065239331, now seen corresponding path program 1 times [2018-10-25 00:05:53,190 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:05:53,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:53,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:05:53,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:53,191 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:05:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:05:53,395 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 00:05:53,476 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 85 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:05:53,476 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:05:53,476 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:05:53,477 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 196 with the following transitions: [2018-10-25 00:05:53,477 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [119], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:05:53,483 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:05:53,483 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:05:54,240 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:05:54,240 INFO L272 AbstractInterpreter]: Visited 130 different actions 387 times. Merged at 8 different actions 21 times. Never widened. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-25 00:05:54,278 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:05:54,280 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:05:54,280 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:05:54,280 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 [2018-10-25 00:05:54,297 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:05:54,298 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:05:54,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:05:54,428 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:05:54,771 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 100 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-25 00:05:54,771 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:05:54,934 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-10-25 00:05:55,036 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-10-25 00:05:55,707 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 100 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-25 00:05:55,742 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:05:55,743 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 16 [2018-10-25 00:05:55,743 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:05:55,744 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-25 00:05:55,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-25 00:05:55,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2018-10-25 00:05:55,747 INFO L87 Difference]: Start difference. First operand 2302 states and 3078 transitions. Second operand 14 states. [2018-10-25 00:06:01,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:06:01,317 INFO L93 Difference]: Finished difference Result 7743 states and 10793 transitions. [2018-10-25 00:06:01,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-10-25 00:06:01,318 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 195 [2018-10-25 00:06:01,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:06:01,334 INFO L225 Difference]: With dead ends: 7743 [2018-10-25 00:06:01,334 INFO L226 Difference]: Without dead ends: 3458 [2018-10-25 00:06:01,352 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 402 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2018-10-25 00:06:01,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3458 states. [2018-10-25 00:06:01,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3458 to 3412. [2018-10-25 00:06:01,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3412 states. [2018-10-25 00:06:01,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3412 states to 3412 states and 4022 transitions. [2018-10-25 00:06:01,435 INFO L78 Accepts]: Start accepts. Automaton has 3412 states and 4022 transitions. Word has length 195 [2018-10-25 00:06:01,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:06:01,435 INFO L481 AbstractCegarLoop]: Abstraction has 3412 states and 4022 transitions. [2018-10-25 00:06:01,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-10-25 00:06:01,436 INFO L276 IsEmpty]: Start isEmpty. Operand 3412 states and 4022 transitions. [2018-10-25 00:06:01,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-10-25 00:06:01,444 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:06:01,444 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-25 00:06:01,445 INFO L424 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:06:01,445 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:06:01,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1880112569, now seen corresponding path program 1 times [2018-10-25 00:06:01,445 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:06:01,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:01,446 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:06:01,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:01,446 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:06:01,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:06:01,741 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:06:01,741 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:06:01,741 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:06:01,741 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 212 with the following transitions: [2018-10-25 00:06:01,742 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [324], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:06:01,748 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:06:01,748 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:06:02,637 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:06:02,638 INFO L272 AbstractInterpreter]: Visited 129 different actions 385 times. Merged at 7 different actions 22 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-10-25 00:06:02,673 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:06:02,674 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:06:02,674 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:06:02,674 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 [2018-10-25 00:06:02,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:06:02,687 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:06:02,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:06:02,791 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:06:02,967 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-25 00:06:02,967 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:06:03,206 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-25 00:06:03,241 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:06:03,241 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-10-25 00:06:03,241 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:06:03,242 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-25 00:06:03,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-25 00:06:03,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-10-25 00:06:03,242 INFO L87 Difference]: Start difference. First operand 3412 states and 4022 transitions. Second operand 3 states. [2018-10-25 00:06:05,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:06:05,098 INFO L93 Difference]: Finished difference Result 6490 states and 7719 transitions. [2018-10-25 00:06:05,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-25 00:06:05,098 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 211 [2018-10-25 00:06:05,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:06:05,099 INFO L225 Difference]: With dead ends: 6490 [2018-10-25 00:06:05,099 INFO L226 Difference]: Without dead ends: 0 [2018-10-25 00:06:05,111 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-10-25 00:06:05,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-25 00:06:05,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-25 00:06:05,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-25 00:06:05,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-25 00:06:05,112 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 211 [2018-10-25 00:06:05,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:06:05,113 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-25 00:06:05,113 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-25 00:06:05,113 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-25 00:06:05,113 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-25 00:06:05,118 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-25 00:06:05,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:06:05,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:06:05,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:06:05,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:06:05,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:06:05,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:06:05,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:06:05,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:06:05,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:06:05,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:06:05,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:06:05,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:06:05,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:06:05,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:06:05,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:06:05,423 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 17 [2018-10-25 00:06:06,202 WARN L179 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 34 [2018-10-25 00:06:07,310 WARN L179 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 169 DAG size of output: 85 [2018-10-25 00:06:07,695 WARN L179 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 49 [2018-10-25 00:06:08,640 WARN L179 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 49 [2018-10-25 00:06:08,644 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-25 00:06:08,644 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a17~0)| ~a17~0) (= |old(~a25~0)| ~a25~0) (= ~a28~0 |old(~a28~0)|)) [2018-10-25 00:06:08,644 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-25 00:06:08,645 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,645 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,645 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,645 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,645 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,645 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-10-25 00:06:08,645 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-10-25 00:06:08,645 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-10-25 00:06:08,645 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-10-25 00:06:08,646 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-10-25 00:06:08,646 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-10-25 00:06:08,646 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-10-25 00:06:08,646 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-10-25 00:06:08,646 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-10-25 00:06:08,646 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-10-25 00:06:08,646 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-10-25 00:06:08,646 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-10-25 00:06:08,646 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-10-25 00:06:08,647 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,647 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,647 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,647 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,647 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-10-25 00:06:08,647 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,647 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-10-25 00:06:08,647 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-10-25 00:06:08,647 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-10-25 00:06:08,648 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-10-25 00:06:08,648 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-10-25 00:06:08,648 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-10-25 00:06:08,648 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-10-25 00:06:08,648 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-10-25 00:06:08,648 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-10-25 00:06:08,648 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-10-25 00:06:08,648 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-10-25 00:06:08,648 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-10-25 00:06:08,648 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-10-25 00:06:08,649 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-10-25 00:06:08,649 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-10-25 00:06:08,649 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,649 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,649 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,649 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,649 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,649 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-10-25 00:06:08,650 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-10-25 00:06:08,650 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-10-25 00:06:08,650 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-10-25 00:06:08,650 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-10-25 00:06:08,650 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-10-25 00:06:08,650 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-10-25 00:06:08,650 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-10-25 00:06:08,650 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-10-25 00:06:08,650 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-10-25 00:06:08,651 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-10-25 00:06:08,651 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,651 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,651 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,651 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,651 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,651 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-10-25 00:06:08,651 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-10-25 00:06:08,651 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-10-25 00:06:08,652 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-10-25 00:06:08,652 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-10-25 00:06:08,652 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-10-25 00:06:08,652 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-10-25 00:06:08,652 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-10-25 00:06:08,652 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-10-25 00:06:08,652 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-10-25 00:06:08,652 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-10-25 00:06:08,652 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-10-25 00:06:08,653 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-10-25 00:06:08,653 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,653 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,653 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,653 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,653 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,653 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-10-25 00:06:08,653 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-10-25 00:06:08,653 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-10-25 00:06:08,654 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-10-25 00:06:08,654 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-10-25 00:06:08,654 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-10-25 00:06:08,654 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-10-25 00:06:08,654 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-10-25 00:06:08,654 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-10-25 00:06:08,654 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-10-25 00:06:08,654 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-10-25 00:06:08,654 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-10-25 00:06:08,655 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-10-25 00:06:08,655 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-10-25 00:06:08,655 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-10-25 00:06:08,655 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-10-25 00:06:08,655 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,655 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,655 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,655 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,655 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-10-25 00:06:08,655 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,656 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-10-25 00:06:08,656 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,656 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-10-25 00:06:08,656 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-10-25 00:06:08,656 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-10-25 00:06:08,656 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,656 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,656 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-10-25 00:06:08,656 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-10-25 00:06:08,656 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-10-25 00:06:08,656 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-10-25 00:06:08,656 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-10-25 00:06:08,656 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-10-25 00:06:08,656 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-10-25 00:06:08,657 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-10-25 00:06:08,657 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-10-25 00:06:08,657 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-10-25 00:06:08,657 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-10-25 00:06:08,657 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,657 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,657 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,657 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,657 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,657 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,657 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-10-25 00:06:08,657 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-10-25 00:06:08,657 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-10-25 00:06:08,657 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-10-25 00:06:08,658 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-10-25 00:06:08,658 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-10-25 00:06:08,658 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-10-25 00:06:08,658 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-10-25 00:06:08,658 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-10-25 00:06:08,658 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-10-25 00:06:08,658 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-10-25 00:06:08,658 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,658 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,658 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,658 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,658 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,659 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,659 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-10-25 00:06:08,659 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-10-25 00:06:08,659 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-10-25 00:06:08,659 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-10-25 00:06:08,659 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-10-25 00:06:08,659 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-10-25 00:06:08,659 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-10-25 00:06:08,659 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-10-25 00:06:08,659 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-10-25 00:06:08,659 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-10-25 00:06:08,659 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-10-25 00:06:08,660 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-10-25 00:06:08,660 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-10-25 00:06:08,660 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-10-25 00:06:08,660 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,660 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,660 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,660 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse11 (= 1 |old(~a19~0)|))) (let ((.cse0 (not (= 1 ~a21~0))) (.cse19 (not .cse11)) (.cse13 (not (= 8 |old(~a17~0)|))) (.cse24 (= |calculate_output_#in~input| 0)) (.cse17 (= 1 |old(~a25~0)|)) (.cse1 (= 1 |old(~a11~0)|)) (.cse14 (= 1 ~a11~0)) (.cse15 (= 1 ~a19~0)) (.cse21 (= |old(~a17~0)| ~a17~0)) (.cse22 (= |old(~a25~0)| ~a25~0)) (.cse23 (= ~a28~0 |old(~a28~0)|))) (let ((.cse3 (and .cse21 .cse22 .cse23)) (.cse7 (and .cse21 .cse23 (= ~a25~0 1))) (.cse2 (= 8 |old(~a28~0)|)) (.cse4 (< 7 |old(~a17~0)|)) (.cse12 (not (= 7 |old(~a28~0)|))) (.cse18 (and .cse14 .cse15)) (.cse6 (= 9 |old(~a28~0)|)) (.cse16 (not .cse1)) (.cse5 (not .cse17)) (.cse10 (or .cse0 .cse19 (= 0 |old(~a28~0)|) (not (= 0 |old(~a11~0)|)) .cse13 .cse24)) (.cse9 (and (= ~a11~0 0) (not (= ~a28~0 0)) (= ~a17~0 8) (= ~a19~0 1) (not .cse24))) (.cse8 (not (= |old(~a17~0)| 8))) (.cse20 (not (= ~a11~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse6 .cse7 .cse8) (or .cse9 .cse10 .cse2) (or .cse11 .cse0 .cse12 .cse13 (and .cse14 (not .cse15)) .cse16 .cse17) (or .cse0 .cse2 .cse6 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse8 .cse17) (or .cse0 .cse5 .cse2 .cse7 .cse4) (or .cse18 .cse0 (not (= 10 |old(~a28~0)|)) .cse5 .cse19 .cse13 .cse16) (or .cse0 .cse1 .cse2 .cse20 .cse4) (or .cse0 .cse12 .cse5 .cse19 .cse16 .cse18 (not (= 7 |old(~a17~0)|))) (or .cse0 .cse5 .cse19 .cse13 (and .cse14 (= 1 ~a25~0) (= 9 ~a28~0) (= 8 ~a17~0) .cse15) (not .cse6) .cse16) (or .cse5 .cse10 .cse9) (or .cse0 .cse1 .cse8 (and .cse21 .cse22 .cse23 .cse20)))))) [2018-10-25 00:06:08,661 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,661 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,661 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,661 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-10-25 00:06:08,661 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-10-25 00:06:08,661 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-10-25 00:06:08,661 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-10-25 00:06:08,661 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-10-25 00:06:08,661 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-10-25 00:06:08,661 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-10-25 00:06:08,661 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-10-25 00:06:08,662 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-10-25 00:06:08,662 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-10-25 00:06:08,662 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-10-25 00:06:08,662 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-10-25 00:06:08,662 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-10-25 00:06:08,662 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,662 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,662 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,662 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,663 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,663 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,663 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-10-25 00:06:08,663 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-10-25 00:06:08,663 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-10-25 00:06:08,663 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-10-25 00:06:08,663 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-10-25 00:06:08,663 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-10-25 00:06:08,663 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-10-25 00:06:08,663 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-10-25 00:06:08,663 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-10-25 00:06:08,664 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-10-25 00:06:08,664 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-10-25 00:06:08,664 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-10-25 00:06:08,664 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-10-25 00:06:08,664 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-10-25 00:06:08,664 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 523) no Hoare annotation was computed. [2018-10-25 00:06:08,664 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-10-25 00:06:08,664 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-10-25 00:06:08,665 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,665 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,665 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,665 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,665 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:06:08,665 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-10-25 00:06:08,665 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-10-25 00:06:08,665 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-10-25 00:06:08,665 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-10-25 00:06:08,666 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-10-25 00:06:08,666 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-10-25 00:06:08,666 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-10-25 00:06:08,666 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-10-25 00:06:08,666 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-10-25 00:06:08,666 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-10-25 00:06:08,666 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-10-25 00:06:08,666 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-10-25 00:06:08,666 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-10-25 00:06:08,667 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-10-25 00:06:08,667 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-10-25 00:06:08,667 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-10-25 00:06:08,667 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-10-25 00:06:08,667 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-10-25 00:06:08,667 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-10-25 00:06:08,667 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-25 00:06:08,667 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-10-25 00:06:08,668 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-25 00:06:08,668 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-25 00:06:08,668 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-10-25 00:06:08,668 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-10-25 00:06:08,668 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse4 (= ~a25~0 1)) (.cse0 (= |old(~a17~0)| ~a17~0)) (.cse1 (not (= ~a11~0 1))) (.cse2 (<= ~a17~0 7)) (.cse3 (not (= ~a28~0 8))) (.cse5 (not (= ~a28~0 9)))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse1) (and (= 9 ~a28~0) (= 8 ~a17~0) (= 1 ~a19~0)) (not (= 0 |old(~a25~0)|)) (and .cse2 .cse3 .cse4) (and .cse0 .cse3 .cse5) (not (= 1 |old(~a19~0)|)) (and (not .cse4) .cse0 .cse3) (not (= 8 |old(~a17~0)|)) (and .cse2 .cse3 .cse1) (and .cse2 .cse3 .cse5))) [2018-10-25 00:06:08,668 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-10-25 00:06:08,669 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-10-25 00:06:08,669 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse4 (= ~a25~0 1)) (.cse0 (= |old(~a17~0)| ~a17~0)) (.cse1 (not (= ~a11~0 1))) (.cse2 (<= ~a17~0 7)) (.cse3 (not (= ~a28~0 8))) (.cse5 (not (= ~a28~0 9)))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse1) (and (= 9 ~a28~0) (= 8 ~a17~0) (= 1 ~a19~0)) (not (= 0 |old(~a25~0)|)) (and .cse2 .cse3 .cse4) (and .cse0 .cse3 .cse5) (not (= 1 |old(~a19~0)|)) (and (not .cse4) .cse0 .cse3) (not (= 8 |old(~a17~0)|)) (and .cse2 .cse3 .cse1) (and .cse2 .cse3 .cse5))) [2018-10-25 00:06:08,669 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-10-25 00:06:08,669 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-10-25 00:06:08,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 12:06:08 BoogieIcfgContainer [2018-10-25 00:06:08,683 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-25 00:06:08,684 INFO L168 Benchmark]: Toolchain (without parser) took 52659.15 ms. Allocated memory was 1.5 GB in the beginning and 3.1 GB in the end (delta: 1.5 GB). Free memory was 1.4 GB in the beginning and 2.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-10-25 00:06:08,685 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-25 00:06:08,685 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.38 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. [2018-10-25 00:06:08,686 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-25 00:06:08,687 INFO L168 Benchmark]: Boogie Preprocessor took 215.98 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 739.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -821.4 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2018-10-25 00:06:08,687 INFO L168 Benchmark]: RCFGBuilder took 3319.52 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: 106.5 MB). Peak memory consumption was 106.5 MB. Max. memory is 7.1 GB. [2018-10-25 00:06:08,688 INFO L168 Benchmark]: TraceAbstraction took 48327.68 ms. Allocated memory was 2.3 GB in the beginning and 3.1 GB in the end (delta: 794.8 MB). Free memory was 2.1 GB in the beginning and 2.7 GB in the end (delta: -576.0 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-10-25 00:06:08,693 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 679.38 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 109.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 215.98 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 739.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -821.4 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3319.52 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: 106.5 MB). Peak memory consumption was 106.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 48327.68 ms. Allocated memory was 2.3 GB in the beginning and 3.1 GB in the end (delta: 794.8 MB). Free memory was 2.1 GB in the beginning and 2.7 GB in the end (delta: -576.0 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 523]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((!(1 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || (\old(a17) == a17 && !(a11 == 1))) || ((9 == a28 && 8 == a17) && 1 == a19)) || !(0 == \old(a25))) || ((a17 <= 7 && !(a28 == 8)) && a25 == 1)) || ((\old(a17) == a17 && !(a28 == 8)) && !(a28 == 9))) || !(1 == \old(a19))) || ((!(a25 == 1) && \old(a17) == a17) && !(a28 == 8))) || !(8 == \old(a17))) || ((a17 <= 7 && !(a28 == 8)) && !(a11 == 1))) || ((a17 <= 7 && !(a28 == 8)) && !(a28 == 9)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 48.2s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 30.8s AutomataDifference, 0.0s DeadEndRemovalTime, 3.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 1383 SDtfs, 7642 SDslu, 1337 SDs, 0 SdLazy, 9792 SolverSat, 1862 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 1117 GetRequests, 908 SyntacticMatches, 127 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 549 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3412occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.9s AbstIntTime, 3 AbstIntIterations, 1 AbstIntStrong, 0.9976430879325372 AbsIntWeakeningRatio, 0.1746031746031746 AbsIntAvgWeakeningVarsNumRemoved, 0.13227513227513227 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 157 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 102 PreInvPairs, 174 NumberOfFragments, 678 HoareAnnotationTreeSize, 102 FomulaSimplifications, 2834 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3504 FormulaSimplificationTreeSizeReductionInter, 3.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 2000 NumberOfCodeBlocks, 2000 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2392 ConstructedInterpolants, 0 QuantifiedInterpolants, 1917727 SizeOfPredicates, 1 NumberOfNonLiveVariables, 968 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 14 InterpolantComputations, 9 PerfectInterpolantSequences, 791/827 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...