java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label18_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 08:23:12,306 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 08:23:12,309 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 08:23:12,323 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 08:23:12,323 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 08:23:12,324 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 08:23:12,325 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 08:23:12,327 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 08:23:12,329 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 08:23:12,330 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 08:23:12,331 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 08:23:12,331 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 08:23:12,332 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 08:23:12,333 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 08:23:12,335 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 08:23:12,336 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 08:23:12,336 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 08:23:12,338 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 08:23:12,341 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 08:23:12,342 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 08:23:12,343 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 08:23:12,345 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 08:23:12,348 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 08:23:12,348 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 08:23:12,348 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 08:23:12,349 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 08:23:12,351 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 08:23:12,351 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 08:23:12,352 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 08:23:12,353 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 08:23:12,354 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 08:23:12,354 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 08:23:12,355 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 08:23:12,355 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 08:23:12,356 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 08:23:12,357 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 08:23:12,357 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-11-07 08:23:12,373 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 08:23:12,373 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 08:23:12,374 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 08:23:12,375 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 08:23:12,375 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 08:23:12,375 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 08:23:12,375 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-07 08:23:12,375 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 08:23:12,376 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 08:23:12,376 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 08:23:12,376 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 08:23:12,376 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 08:23:12,376 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 08:23:12,376 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 08:23:12,377 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 08:23:12,377 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 08:23:12,378 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 08:23:12,378 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 08:23:12,378 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 08:23:12,378 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 08:23:12,378 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 08:23:12,379 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 08:23:12,379 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 08:23:12,379 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 08:23:12,379 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 08:23:12,379 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 08:23:12,380 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 08:23:12,380 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 08:23:12,380 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 08:23:12,380 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 08:23:12,380 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 08:23:12,381 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 08:23:12,381 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 08:23:12,381 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 08:23:12,381 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 08:23:12,381 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 08:23:12,427 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 08:23:12,441 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 08:23:12,444 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 08:23:12,446 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 08:23:12,447 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 08:23:12,447 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label18_true-unreach-call.c [2018-11-07 08:23:12,514 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c284edad5/d4ed45d3ffaa48138218d5a48dd26c26/FLAGde06bd418 [2018-11-07 08:23:13,071 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 08:23:13,073 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label18_true-unreach-call.c [2018-11-07 08:23:13,092 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c284edad5/d4ed45d3ffaa48138218d5a48dd26c26/FLAGde06bd418 [2018-11-07 08:23:13,113 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c284edad5/d4ed45d3ffaa48138218d5a48dd26c26 [2018-11-07 08:23:13,126 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 08:23:13,127 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 08:23:13,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 08:23:13,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 08:23:13,136 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 08:23:13,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:23:13" (1/1) ... [2018-11-07 08:23:13,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@567b4d96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:13, skipping insertion in model container [2018-11-07 08:23:13,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:23:13" (1/1) ... [2018-11-07 08:23:13,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 08:23:13,222 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 08:23:13,789 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 08:23:13,793 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 08:23:13,942 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 08:23:13,969 INFO L193 MainTranslator]: Completed translation [2018-11-07 08:23:13,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:13 WrapperNode [2018-11-07 08:23:13,970 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 08:23:13,971 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 08:23:13,971 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 08:23:13,971 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 08:23:13,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:13" (1/1) ... [2018-11-07 08:23:14,125 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:13" (1/1) ... [2018-11-07 08:23:14,144 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 08:23:14,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 08:23:14,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 08:23:14,148 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 08:23:14,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:13" (1/1) ... [2018-11-07 08:23:14,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:13" (1/1) ... [2018-11-07 08:23:14,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:13" (1/1) ... [2018-11-07 08:23:14,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:13" (1/1) ... [2018-11-07 08:23:14,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:13" (1/1) ... [2018-11-07 08:23:14,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:13" (1/1) ... [2018-11-07 08:23:14,251 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:13" (1/1) ... [2018-11-07 08:23:14,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 08:23:14,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 08:23:14,265 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 08:23:14,265 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 08:23:14,267 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 08:23:14,349 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 08:23:14,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 08:23:14,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 08:23:14,350 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 08:23:14,351 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 08:23:14,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 08:23:14,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 08:23:14,352 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 08:23:14,352 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 08:23:17,564 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 08:23:17,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:23:17 BoogieIcfgContainer [2018-11-07 08:23:17,565 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 08:23:17,566 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 08:23:17,566 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 08:23:17,570 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 08:23:17,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:23:13" (1/3) ... [2018-11-07 08:23:17,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17fc28a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:23:17, skipping insertion in model container [2018-11-07 08:23:17,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:13" (2/3) ... [2018-11-07 08:23:17,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17fc28a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:23:17, skipping insertion in model container [2018-11-07 08:23:17,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:23:17" (3/3) ... [2018-11-07 08:23:17,574 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label18_true-unreach-call.c [2018-11-07 08:23:17,583 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 08:23:17,592 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 08:23:17,611 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 08:23:17,651 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 08:23:17,651 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 08:23:17,652 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 08:23:17,652 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 08:23:17,652 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 08:23:17,652 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 08:23:17,652 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 08:23:17,653 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 08:23:17,680 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-11-07 08:23:17,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-07 08:23:17,691 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:23:17,692 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] [2018-11-07 08:23:17,695 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:23:17,701 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:23:17,702 INFO L82 PathProgramCache]: Analyzing trace with hash -1094917127, now seen corresponding path program 1 times [2018-11-07 08:23:17,705 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:23:17,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:23:17,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:23:17,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:23:17,769 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:23:17,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:23:18,285 WARN L179 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 08:23:18,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:23:18,416 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 08:23:18,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 08:23:18,417 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 08:23:18,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 08:23:18,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 08:23:18,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 08:23:18,447 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-11-07 08:23:20,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:23:20,173 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-11-07 08:23:20,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 08:23:20,175 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2018-11-07 08:23:20,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:23:20,193 INFO L225 Difference]: With dead ends: 574 [2018-11-07 08:23:20,194 INFO L226 Difference]: Without dead ends: 356 [2018-11-07 08:23:20,202 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 08:23:20,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-11-07 08:23:20,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-11-07 08:23:20,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-11-07 08:23:20,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 607 transitions. [2018-11-07 08:23:20,333 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 607 transitions. Word has length 65 [2018-11-07 08:23:20,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:23:20,335 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 607 transitions. [2018-11-07 08:23:20,335 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 08:23:20,335 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 607 transitions. [2018-11-07 08:23:20,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-07 08:23:20,348 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:23:20,349 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 08:23:20,349 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:23:20,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:23:20,351 INFO L82 PathProgramCache]: Analyzing trace with hash -158476620, now seen corresponding path program 1 times [2018-11-07 08:23:20,351 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:23:20,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:23:20,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:23:20,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:23:20,354 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:23:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:23:20,786 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-07 08:23:20,787 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:23:20,787 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 08:23:20,789 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 154 with the following transitions: [2018-11-07 08:23:20,791 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [566], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 08:23:20,841 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 08:23:20,842 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 08:23:21,328 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 08:23:21,331 INFO L272 AbstractInterpreter]: Visited 92 different actions 92 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-11-07 08:23:21,368 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:23:21,368 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 08:23:21,840 INFO L227 lantSequenceWeakener]: Weakened 147 states. On average, predicates are now at 74.04% of their original sizes. [2018-11-07 08:23:21,840 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 08:23:21,970 INFO L415 sIntCurrentIteration]: We unified 152 AI predicates to 152 [2018-11-07 08:23:21,971 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 08:23:21,972 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 08:23:21,972 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 8 [2018-11-07 08:23:21,972 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 08:23:21,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 08:23:21,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 08:23:21,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 08:23:21,975 INFO L87 Difference]: Start difference. First operand 356 states and 607 transitions. Second operand 6 states. [2018-11-07 08:23:45,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:23:45,725 INFO L93 Difference]: Finished difference Result 852 states and 1471 transitions. [2018-11-07 08:23:45,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-07 08:23:45,726 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 153 [2018-11-07 08:23:45,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:23:45,730 INFO L225 Difference]: With dead ends: 852 [2018-11-07 08:23:45,731 INFO L226 Difference]: Without dead ends: 502 [2018-11-07 08:23:45,733 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 153 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-07 08:23:45,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2018-11-07 08:23:45,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 500. [2018-11-07 08:23:45,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2018-11-07 08:23:45,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 757 transitions. [2018-11-07 08:23:45,760 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 757 transitions. Word has length 153 [2018-11-07 08:23:45,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:23:45,761 INFO L480 AbstractCegarLoop]: Abstraction has 500 states and 757 transitions. [2018-11-07 08:23:45,761 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 08:23:45,761 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 757 transitions. [2018-11-07 08:23:45,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-07 08:23:45,767 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:23:45,768 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 08:23:45,768 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:23:45,768 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:23:45,768 INFO L82 PathProgramCache]: Analyzing trace with hash -1560963418, now seen corresponding path program 1 times [2018-11-07 08:23:45,769 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:23:45,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:23:45,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:23:45,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:23:45,770 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:23:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:23:46,134 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 08:23:46,302 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-07 08:23:46,302 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:23:46,302 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 08:23:46,303 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 225 with the following transitions: [2018-11-07 08:23:46,303 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [566], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 08:23:46,309 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 08:23:46,309 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 08:23:47,338 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 08:23:47,338 INFO L272 AbstractInterpreter]: Visited 96 different actions 283 times. Merged at 7 different actions 17 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-07 08:23:47,345 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:23:47,345 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 08:23:48,002 INFO L227 lantSequenceWeakener]: Weakened 221 states. On average, predicates are now at 76.1% of their original sizes. [2018-11-07 08:23:48,002 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 08:23:48,105 INFO L415 sIntCurrentIteration]: We unified 223 AI predicates to 223 [2018-11-07 08:23:48,106 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 08:23:48,106 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 08:23:48,106 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [4] total 11 [2018-11-07 08:23:48,106 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 08:23:48,107 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-07 08:23:48,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-07 08:23:48,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-07 08:23:48,108 INFO L87 Difference]: Start difference. First operand 500 states and 757 transitions. Second operand 9 states. [2018-11-07 08:24:10,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:24:10,977 INFO L93 Difference]: Finished difference Result 1241 states and 2087 transitions. [2018-11-07 08:24:10,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-07 08:24:10,977 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 224 [2018-11-07 08:24:10,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:24:10,984 INFO L225 Difference]: With dead ends: 1241 [2018-11-07 08:24:10,984 INFO L226 Difference]: Without dead ends: 891 [2018-11-07 08:24:10,986 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 230 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-07 08:24:10,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2018-11-07 08:24:11,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 869. [2018-11-07 08:24:11,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2018-11-07 08:24:11,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1221 transitions. [2018-11-07 08:24:11,028 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1221 transitions. Word has length 224 [2018-11-07 08:24:11,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:24:11,029 INFO L480 AbstractCegarLoop]: Abstraction has 869 states and 1221 transitions. [2018-11-07 08:24:11,029 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-07 08:24:11,029 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1221 transitions. [2018-11-07 08:24:11,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-11-07 08:24:11,036 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:24:11,036 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 08:24:11,037 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:24:11,037 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:24:11,037 INFO L82 PathProgramCache]: Analyzing trace with hash -252631541, now seen corresponding path program 1 times [2018-11-07 08:24:11,037 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:24:11,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:24:11,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:24:11,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:24:11,039 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:24:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:24:11,336 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 194 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:24:11,336 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:24:11,337 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 08:24:11,337 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 272 with the following transitions: [2018-11-07 08:24:11,337 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [718], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 08:24:11,343 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 08:24:11,343 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 08:24:11,471 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 08:24:11,471 INFO L272 AbstractInterpreter]: Visited 135 different actions 268 times. Merged at 7 different actions 10 times. Never widened. Found 2 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-07 08:24:11,510 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:24:11,511 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 08:24:11,511 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:24:11,512 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 08:24:11,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:24:11,525 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 08:24:11,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:24:11,640 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 08:24:12,063 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 194 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:24:12,064 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 08:24:12,891 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 194 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:24:12,913 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 08:24:12,913 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-07 08:24:12,913 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 08:24:12,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-07 08:24:12,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-07 08:24:12,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-07 08:24:12,915 INFO L87 Difference]: Start difference. First operand 869 states and 1221 transitions. Second operand 9 states. [2018-11-07 08:24:17,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:24:17,395 INFO L93 Difference]: Finished difference Result 2276 states and 3640 transitions. [2018-11-07 08:24:17,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-07 08:24:17,396 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 271 [2018-11-07 08:24:17,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:24:17,406 INFO L225 Difference]: With dead ends: 2276 [2018-11-07 08:24:17,406 INFO L226 Difference]: Without dead ends: 1021 [2018-11-07 08:24:17,421 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 563 GetRequests, 545 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-11-07 08:24:17,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2018-11-07 08:24:17,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 1001. [2018-11-07 08:24:17,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1001 states. [2018-11-07 08:24:17,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 1001 states and 1199 transitions. [2018-11-07 08:24:17,467 INFO L78 Accepts]: Start accepts. Automaton has 1001 states and 1199 transitions. Word has length 271 [2018-11-07 08:24:17,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:24:17,467 INFO L480 AbstractCegarLoop]: Abstraction has 1001 states and 1199 transitions. [2018-11-07 08:24:17,467 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-07 08:24:17,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1199 transitions. [2018-11-07 08:24:17,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-07 08:24:17,476 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:24:17,477 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 08:24:17,477 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:24:17,477 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:24:17,477 INFO L82 PathProgramCache]: Analyzing trace with hash 64014099, now seen corresponding path program 1 times [2018-11-07 08:24:17,478 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:24:17,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:24:17,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:24:17,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:24:17,479 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:24:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:24:17,841 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 08:24:18,365 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 117 proven. 46 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-07 08:24:18,365 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:24:18,365 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 08:24:18,366 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 308 with the following transitions: [2018-11-07 08:24:18,366 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [718], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 08:24:18,371 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 08:24:18,371 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 08:24:18,560 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 08:24:18,560 INFO L272 AbstractInterpreter]: Visited 134 different actions 262 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 08:24:18,597 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:24:18,598 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 08:24:18,868 INFO L227 lantSequenceWeakener]: Weakened 304 states. On average, predicates are now at 78.41% of their original sizes. [2018-11-07 08:24:18,868 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 08:24:19,235 INFO L415 sIntCurrentIteration]: We unified 306 AI predicates to 306 [2018-11-07 08:24:19,235 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 08:24:19,235 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 08:24:19,236 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-07 08:24:19,236 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 08:24:19,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 08:24:19,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 08:24:19,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-07 08:24:19,238 INFO L87 Difference]: Start difference. First operand 1001 states and 1199 transitions. Second operand 10 states. [2018-11-07 08:24:43,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:24:43,122 INFO L93 Difference]: Finished difference Result 2096 states and 2619 transitions. [2018-11-07 08:24:43,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-07 08:24:43,122 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 307 [2018-11-07 08:24:43,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:24:43,129 INFO L225 Difference]: With dead ends: 2096 [2018-11-07 08:24:43,129 INFO L226 Difference]: Without dead ends: 1245 [2018-11-07 08:24:43,133 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 317 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-11-07 08:24:43,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1245 states. [2018-11-07 08:24:43,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1245 to 1196. [2018-11-07 08:24:43,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1196 states. [2018-11-07 08:24:43,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 1196 states and 1421 transitions. [2018-11-07 08:24:43,174 INFO L78 Accepts]: Start accepts. Automaton has 1196 states and 1421 transitions. Word has length 307 [2018-11-07 08:24:43,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:24:43,175 INFO L480 AbstractCegarLoop]: Abstraction has 1196 states and 1421 transitions. [2018-11-07 08:24:43,175 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 08:24:43,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1421 transitions. [2018-11-07 08:24:43,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2018-11-07 08:24:43,183 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:24:43,183 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-07 08:24:43,183 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:24:43,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:24:43,184 INFO L82 PathProgramCache]: Analyzing trace with hash -1508247517, now seen corresponding path program 1 times [2018-11-07 08:24:43,184 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:24:43,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:24:43,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:24:43,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:24:43,185 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:24:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:24:43,757 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 364 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-07 08:24:43,757 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:24:43,757 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 08:24:43,758 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 381 with the following transitions: [2018-11-07 08:24:43,758 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [718], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 08:24:43,761 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 08:24:43,762 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 08:24:43,970 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 08:24:43,970 INFO L272 AbstractInterpreter]: Visited 136 different actions 404 times. Merged at 8 different actions 20 times. Never widened. Found 4 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-07 08:24:43,980 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:24:43,980 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 08:24:43,980 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:24:43,980 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 08:24:43,990 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:24:43,990 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 08:24:44,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:24:44,098 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 08:24:44,214 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 364 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-07 08:24:44,214 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 08:24:44,342 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 3 [2018-11-07 08:24:44,561 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-07 08:24:44,877 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 364 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-07 08:24:44,897 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 08:24:44,898 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-11-07 08:24:44,898 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 08:24:44,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-07 08:24:44,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-07 08:24:44,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-07 08:24:44,900 INFO L87 Difference]: Start difference. First operand 1196 states and 1421 transitions. Second operand 7 states. [2018-11-07 08:24:47,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:24:47,878 INFO L93 Difference]: Finished difference Result 3253 states and 3927 transitions. [2018-11-07 08:24:47,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-07 08:24:47,878 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 380 [2018-11-07 08:24:47,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:24:47,889 INFO L225 Difference]: With dead ends: 3253 [2018-11-07 08:24:47,889 INFO L226 Difference]: Without dead ends: 2207 [2018-11-07 08:24:47,893 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 773 GetRequests, 760 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2018-11-07 08:24:47,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2207 states. [2018-11-07 08:24:47,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2207 to 2096. [2018-11-07 08:24:47,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2096 states. [2018-11-07 08:24:47,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2096 states to 2096 states and 2456 transitions. [2018-11-07 08:24:47,959 INFO L78 Accepts]: Start accepts. Automaton has 2096 states and 2456 transitions. Word has length 380 [2018-11-07 08:24:47,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:24:47,960 INFO L480 AbstractCegarLoop]: Abstraction has 2096 states and 2456 transitions. [2018-11-07 08:24:47,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-07 08:24:47,961 INFO L276 IsEmpty]: Start isEmpty. Operand 2096 states and 2456 transitions. [2018-11-07 08:24:47,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2018-11-07 08:24:47,971 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:24:47,971 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 08:24:47,972 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:24:47,972 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:24:47,972 INFO L82 PathProgramCache]: Analyzing trace with hash -799298838, now seen corresponding path program 1 times [2018-11-07 08:24:47,972 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:24:47,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:24:47,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:24:47,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:24:47,973 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:24:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:24:48,262 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-11-07 08:24:48,262 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 08:24:48,262 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 08:24:48,263 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 08:24:48,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 08:24:48,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 08:24:48,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 08:24:48,264 INFO L87 Difference]: Start difference. First operand 2096 states and 2456 transitions. Second operand 4 states. [2018-11-07 08:24:49,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:24:49,330 INFO L93 Difference]: Finished difference Result 5227 states and 6377 transitions. [2018-11-07 08:24:49,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 08:24:49,332 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 393 [2018-11-07 08:24:49,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:24:49,333 INFO L225 Difference]: With dead ends: 5227 [2018-11-07 08:24:49,333 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 08:24:49,343 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 08:24:49,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 08:24:49,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 08:24:49,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 08:24:49,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 08:24:49,344 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 393 [2018-11-07 08:24:49,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:24:49,345 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 08:24:49,345 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 08:24:49,345 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 08:24:49,345 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 08:24:49,350 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 08:24:50,058 WARN L179 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 67 [2018-11-07 08:24:50,234 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 08:24:50,235 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= ~a1~0 |old(~a1~0)|)) [2018-11-07 08:24:50,235 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 08:24:50,235 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-07 08:24:50,235 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,235 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,235 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,236 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,236 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,236 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,236 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-07 08:24:50,236 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-07 08:24:50,236 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-07 08:24:50,236 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-07 08:24:50,237 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-07 08:24:50,237 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-07 08:24:50,237 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-07 08:24:50,237 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-07 08:24:50,237 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-07 08:24:50,237 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-07 08:24:50,237 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-07 08:24:50,237 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,238 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,238 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,238 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,238 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,238 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-07 08:24:50,238 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-07 08:24:50,238 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-07 08:24:50,238 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-07 08:24:50,238 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-07 08:24:50,238 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-07 08:24:50,239 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-07 08:24:50,239 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-07 08:24:50,239 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-07 08:24:50,239 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-07 08:24:50,239 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-07 08:24:50,239 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-07 08:24:50,239 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-07 08:24:50,239 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-07 08:24:50,239 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,239 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,239 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,239 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,239 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,240 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-07 08:24:50,240 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-07 08:24:50,240 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-07 08:24:50,240 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-07 08:24:50,240 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-07 08:24:50,240 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-07 08:24:50,240 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-07 08:24:50,240 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-07 08:24:50,240 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-07 08:24:50,240 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-07 08:24:50,240 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,240 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,241 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,241 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,241 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,241 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-07 08:24:50,241 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-07 08:24:50,241 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-07 08:24:50,241 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-07 08:24:50,241 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-07 08:24:50,241 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-07 08:24:50,241 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-07 08:24:50,241 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-07 08:24:50,242 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-07 08:24:50,242 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-07 08:24:50,242 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-07 08:24:50,242 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-07 08:24:50,242 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-07 08:24:50,242 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,242 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,242 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,242 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,242 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,242 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-07 08:24:50,242 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-07 08:24:50,243 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-07 08:24:50,243 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-07 08:24:50,243 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-07 08:24:50,243 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-07 08:24:50,243 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-07 08:24:50,243 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-07 08:24:50,243 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-07 08:24:50,243 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,243 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,243 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,243 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,243 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,243 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,243 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,244 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-07 08:24:50,244 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-07 08:24:50,244 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-07 08:24:50,244 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-07 08:24:50,244 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-07 08:24:50,244 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-07 08:24:50,244 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-07 08:24:50,244 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-07 08:24:50,244 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-07 08:24:50,244 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-07 08:24:50,244 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-07 08:24:50,244 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-07 08:24:50,244 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-07 08:24:50,245 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,245 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,245 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,245 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,245 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,245 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-07 08:24:50,245 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,245 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-07 08:24:50,245 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-07 08:24:50,245 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-07 08:24:50,246 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-07 08:24:50,246 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-07 08:24:50,246 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-07 08:24:50,246 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-07 08:24:50,246 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-07 08:24:50,246 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-07 08:24:50,246 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-07 08:24:50,246 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-07 08:24:50,246 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-07 08:24:50,246 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-07 08:24:50,246 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,246 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,246 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,247 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,247 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,247 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,247 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-07 08:24:50,247 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-07 08:24:50,247 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-07 08:24:50,247 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-07 08:24:50,247 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-07 08:24:50,247 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-07 08:24:50,247 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-07 08:24:50,247 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-07 08:24:50,247 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-07 08:24:50,248 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-07 08:24:50,248 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-07 08:24:50,248 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse4 (= |calculate_output_#in~input| 0)) (.cse1 (not (= 14 ~a4~0))) (.cse2 (not (= 0 ~a12~0))) (.cse3 (not (= 9 |old(~a19~0)|))) (.cse5 (= |old(~a19~0)| ~a19~0)) (.cse0 (= ~a1~0 |old(~a1~0)|))) (and (or (not (= 8 |old(~a19~0)|)) (= 8 ~a19~0)) (or (and (= ~a19~0 9) (= (mod ~a10~0 2) 0) .cse0) .cse1 .cse2 (not (= 0 (mod |old(~a10~0)| 2))) .cse3 .cse4) (or (and .cse5 .cse0) (< 0 (+ |old(~a1~0)| 333899)) (< 8 |old(~a19~0)|)) (or (or (and (= ~a10~0 0) (= ~a1~0 23)) (= ~a10~0 1)) .cse4 (and (or .cse1 .cse2 .cse3 (not (= 23 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|))) (or (not (= 1 |old(~a10~0)|)) .cse1 .cse2 .cse3))) (or (= 4 |old(~a10~0)|) (and .cse5 (not (= ~a10~0 4)) .cse0)))) [2018-11-07 08:24:50,248 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-07 08:24:50,248 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-07 08:24:50,249 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-07 08:24:50,249 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,249 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,249 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,249 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,249 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,249 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,249 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-07 08:24:50,249 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-07 08:24:50,250 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-07 08:24:50,250 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-07 08:24:50,250 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-07 08:24:50,250 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-07 08:24:50,250 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-07 08:24:50,250 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-07 08:24:50,250 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-07 08:24:50,250 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-07 08:24:50,251 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-07 08:24:50,251 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 178) no Hoare annotation was computed. [2018-11-07 08:24:50,251 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-07 08:24:50,251 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-07 08:24:50,251 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,251 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,251 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,251 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,251 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,252 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,252 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-07 08:24:50,252 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-07 08:24:50,252 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-07 08:24:50,252 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-07 08:24:50,252 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-07 08:24:50,252 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-07 08:24:50,252 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-07 08:24:50,252 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-07 08:24:50,252 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-07 08:24:50,253 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-07 08:24:50,253 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-07 08:24:50,253 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-07 08:24:50,253 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,253 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,253 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,253 INFO L425 ceAbstractionStarter]: For program point L99(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,253 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,253 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:50,253 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-07 08:24:50,254 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-07 08:24:50,254 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-07 08:24:50,254 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-07 08:24:50,254 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-07 08:24:50,254 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-07 08:24:50,254 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-07 08:24:50,254 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-07 08:24:50,254 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-07 08:24:50,254 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-07 08:24:50,254 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-07 08:24:50,254 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-07 08:24:50,254 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 08:24:50,255 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 9) (= ~a10~0 0) (= ~a12~0 0) (= ~a1~0 23) (= ~a4~0 14)) [2018-11-07 08:24:50,255 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 08:24:50,255 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 08:24:50,255 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 23 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|)) (and (= ~a19~0 9) (= ~a10~0 0) (= ~a1~0 |old(~a1~0)|))) [2018-11-07 08:24:50,255 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-07 08:24:50,255 INFO L421 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (or (= 8 ~a19~0) (not (= ~a10~0 4)) (not (= 14 ~a4~0)) (and (not (= main_~input~0 0)) (= ~a19~0 9)) (not (= 23 |old(~a1~0)|)) (and (<= (+ ~a1~0 333899) 0) (<= ~a19~0 8)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|))) [2018-11-07 08:24:50,255 INFO L425 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-07 08:24:50,255 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-07 08:24:50,255 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-11-07 08:24:50,255 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (or (= 8 ~a19~0) (not (= ~a10~0 4)) (not (= 14 ~a4~0)) (not (= 23 |old(~a1~0)|)) (= ~a19~0 9) (and (<= (+ ~a1~0 333899) 0) (<= ~a19~0 8)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|))) [2018-11-07 08:24:50,256 INFO L425 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-11-07 08:24:50,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:24:50 BoogieIcfgContainer [2018-11-07 08:24:50,270 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 08:24:50,271 INFO L168 Benchmark]: Toolchain (without parser) took 97144.63 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 2.9 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-11-07 08:24:50,274 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 08:24:50,275 INFO L168 Benchmark]: CACSL2BoogieTranslator took 841.70 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-07 08:24:50,275 INFO L168 Benchmark]: Boogie Procedure Inliner took 173.11 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 744.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -830.4 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2018-11-07 08:24:50,276 INFO L168 Benchmark]: Boogie Preprocessor took 119.94 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 08:24:50,279 INFO L168 Benchmark]: RCFGBuilder took 3300.45 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 120.4 MB). Peak memory consumption was 120.4 MB. Max. memory is 7.1 GB. [2018-11-07 08:24:50,279 INFO L168 Benchmark]: TraceAbstraction took 92703.81 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.9 GB in the end (delta: -788.0 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-11-07 08:24:50,290 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 841.70 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 173.11 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 744.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -830.4 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.94 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3300.45 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 120.4 MB). Peak memory consumption was 120.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 92703.81 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.9 GB in the end (delta: -788.0 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: 178]: 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: 582]: Loop Invariant Derived loop invariant: (((((((8 == a19 || !(a10 == 4)) || !(14 == a4)) || !(23 == \old(a1))) || a19 == 9) || (a1 + 333899 <= 0 && a19 <= 8)) || !(0 == a12)) || !(9 == \old(a19))) || !(0 == \old(a10)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 92.6s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 80.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 764 SDtfs, 3625 SDslu, 1090 SDs, 0 SdLazy, 7052 SolverSat, 1418 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 58.2s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 2046 GetRequests, 1972 SyntacticMatches, 6 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2096occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.2s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.9970945766236343 AbsIntWeakeningRatio, 0.10572687224669604 AbsIntAvgWeakeningVarsNumRemoved, 14.384728340675478 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 204 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 73 PreInvPairs, 133 NumberOfFragments, 270 HoareAnnotationTreeSize, 73 FomulaSimplifications, 3252 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1236 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 2444 NumberOfCodeBlocks, 2444 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 3084 ConstructedInterpolants, 0 QuantifiedInterpolants, 2505208 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1040 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 2615/2835 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...